forked from AuroraMiddleware/gtk
8ed804f1b4
The background is *not* drawn relative to the clipping area.
11387 lines
351 KiB
C
11387 lines
351 KiB
C
/* -*- Mode: C; c-file-style: "gnu"; tab-width: 8 -*- */
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/* GTK - The GIMP Toolkit
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* gtktextview.c Copyright (C) 2000 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
|
||
* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <string.h>
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#define GTK_TEXT_USE_INTERNAL_UNSUPPORTED_API
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#include "gtkadjustmentprivate.h"
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#include "gtkbindings.h"
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#include "gtkdnd.h"
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#include "gtkdebug.h"
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#include "gtkintl.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkmenu.h"
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#include "gtkmenuitem.h"
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#include "gtkseparatormenuitem.h"
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#include "gtksettings.h"
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#include "gtkselectionprivate.h"
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#include "gtktextbufferrichtext.h"
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#include "gtktextdisplay.h"
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#include "gtktextview.h"
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#include "gtkimmulticontext.h"
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#include "gtkprivate.h"
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#include "gtktextutil.h"
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#include "gtkwidgetprivate.h"
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#include "gtkwindow.h"
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#include "gtkscrollable.h"
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#include "gtktypebuiltins.h"
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#include "gtktexthandleprivate.h"
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#include "gtkstylecontextprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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#include "gtkpopover.h"
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#include "gtktoolbar.h"
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#include "gtkpixelcacheprivate.h"
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#include "gtkmagnifierprivate.h"
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#include "a11y/gtktextviewaccessibleprivate.h"
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/**
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* SECTION:gtktextview
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* @Short_description: Widget that displays a GtkTextBuffer
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* @Title: GtkTextView
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* @See_also: #GtkTextBuffer, #GtkTextIter
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*
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* You may wish to begin by reading the
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* [text widget conceptual overview][TextWidget]
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* which gives an overview of all the objects and data
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* types related to the text widget and how they work together.
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*
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* # CSS nodes
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*
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* |[<!-- language="plain" -->
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* textview.view
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* ├── border.top
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* ├── border.left
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* ├── text
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* │ ╰── [selection]
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* ├── border.right
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* ├── border.bottom
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* ╰── [window.popup]
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* ]|
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*
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* GtkTextView has a main css node with name textview and style class .view,
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* and subnodes for each of the border windows, and the main text area,
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* with names border and text, respectively. The border nodes each get
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* one of the style classes .left, .right, .top or .bottom.
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*
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* A node representing the selection will appear below the text node.
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*
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* If a context menu is opened, the window node will appear as a subnode
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* of the main node.
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*/
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/* How scrolling, validation, exposes, etc. work.
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*
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* The expose_event handler has the invariant that the onscreen lines
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* have been validated.
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*
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* There are two ways that onscreen lines can become invalid. The first
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* is to change which lines are onscreen. This happens when the value
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* of a scroll adjustment changes. So the code path begins in
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* gtk_text_view_value_changed() and goes like this:
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* - gdk_window_scroll() to reflect the new adjustment value
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* - validate the lines that were moved onscreen
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* - gdk_window_process_updates() to handle the exposes immediately
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*
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* The second way is that you get the “invalidated” signal from the layout,
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* indicating that lines have become invalid. This code path begins in
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* invalidated_handler() and goes like this:
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* - install high-priority idle which does the rest of the steps
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* - if a scroll is pending from scroll_to_mark(), do the scroll,
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* jumping to the gtk_text_view_value_changed() code path
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* - otherwise, validate the onscreen lines
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* - DO NOT process updates
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*
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* In both cases, validating the onscreen lines can trigger a scroll
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* due to maintaining the first_para on the top of the screen.
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* If validation triggers a scroll, we jump to the top of the code path
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* for value_changed, and bail out of the current code path.
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*
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* Also, in size_allocate, if we invalidate some lines from changing
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* the layout width, we need to go ahead and run the high-priority idle,
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* because GTK sends exposes right after doing the size allocates without
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* returning to the main loop. This is also why the high-priority idle
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* is at a higher priority than resizing.
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*
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*/
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#if 0
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#define DEBUG_VALIDATION_AND_SCROLLING
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#endif
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#ifdef DEBUG_VALIDATION_AND_SCROLLING
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#define DV(x) (x)
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#else
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#define DV(x)
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#endif
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#define SCREEN_WIDTH(widget) text_window_get_width (GTK_TEXT_VIEW (widget)->priv->text_window)
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#define SCREEN_HEIGHT(widget) text_window_get_height (GTK_TEXT_VIEW (widget)->priv->text_window)
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#define SPACE_FOR_CURSOR 1
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#define GTK_TEXT_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewPrivate))
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typedef struct _GtkTextWindow GtkTextWindow;
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typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
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struct _GtkTextViewPrivate
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{
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GtkTextLayout *layout;
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GtkTextBuffer *buffer;
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guint blink_time; /* time in msec the cursor has blinked since last user event */
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guint im_spot_idle;
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gchar *im_module;
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gint dnd_x;
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gint dnd_y;
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GtkTextHandle *text_handle;
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GtkWidget *selection_bubble;
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guint selection_bubble_timeout_id;
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GtkWidget *magnifier_popover;
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GtkWidget *magnifier;
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GtkTextWindow *text_window;
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GtkTextWindow *left_window;
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GtkTextWindow *right_window;
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GtkTextWindow *top_window;
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GtkTextWindow *bottom_window;
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GtkAdjustment *hadjustment;
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GtkAdjustment *vadjustment;
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/* X offset between widget coordinates and buffer coordinates
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* taking left_padding in account
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*/
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gint xoffset;
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/* Y offset between widget coordinates and buffer coordinates
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* taking top_padding and top_margin in account
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*/
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gint yoffset;
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/* Width and height of the buffer */
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gint width;
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gint height;
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/* This is used to monitor the overall size request
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* and decide whether we need to queue resizes when
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* the buffer content changes.
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*
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* FIXME: This could be done in a simpler way by
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* consulting the above width/height of the buffer + some
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* padding values, however all of this request code needs
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* to be changed to use GtkWidget Iface and deserves
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* more attention.
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*/
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GtkRequisition cached_size_request;
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/* The virtual cursor position is normally the same as the
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* actual (strong) cursor position, except in two circumstances:
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*
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* a) When the cursor is moved vertically with the keyboard
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* b) When the text view is scrolled with the keyboard
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*
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* In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
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* In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
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*/
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gint virtual_cursor_x; /* -1 means use actual cursor position */
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gint virtual_cursor_y; /* -1 means use actual cursor position */
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GtkTextMark *first_para_mark; /* Mark at the beginning of the first onscreen paragraph */
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gint first_para_pixels; /* Offset of top of screen in the first onscreen paragraph */
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guint blink_timeout;
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guint scroll_timeout;
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guint first_validate_idle; /* Idle to revalidate onscreen portion, runs before resize */
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guint incremental_validate_idle; /* Idle to revalidate offscreen portions, runs after redraw */
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GtkTextMark *dnd_mark;
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GtkIMContext *im_context;
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GtkWidget *popup_menu;
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GSList *children;
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GtkTextPendingScroll *pending_scroll;
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GtkPixelCache *pixel_cache;
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GtkGesture *multipress_gesture;
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GtkGesture *drag_gesture;
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GtkCssNode *selection_node;
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/* Default style settings */
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gint pixels_above_lines;
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gint pixels_below_lines;
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gint pixels_inside_wrap;
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GtkWrapMode wrap_mode;
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GtkJustification justify;
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gint left_margin;
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gint right_margin;
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gint top_margin;
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gint bottom_margin;
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gint left_padding;
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gint right_padding;
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gint top_padding;
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gint bottom_padding;
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gint top_border;
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gint bottom_border;
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gint left_border;
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gint right_border;
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gint indent;
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gint64 handle_place_time;
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PangoTabArray *tabs;
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guint editable : 1;
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guint overwrite_mode : 1;
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guint cursor_visible : 1;
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/* if we have reset the IM since the last character entered */
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guint need_im_reset : 1;
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guint accepts_tab : 1;
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guint width_changed : 1;
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/* debug flag - means that we've validated onscreen since the
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* last "invalidate" signal from the layout
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*/
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guint onscreen_validated : 1;
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guint mouse_cursor_obscured : 1;
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guint scroll_after_paste : 1;
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/* GtkScrollablePolicy needs to be checked when
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* driving the scrollable adjustment values */
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guint hscroll_policy : 1;
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guint vscroll_policy : 1;
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guint cursor_handle_dragged : 1;
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guint selection_handle_dragged : 1;
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guint populate_all : 1;
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guint in_scroll : 1;
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guint handling_key_event : 1;
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};
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struct _GtkTextPendingScroll
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{
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GtkTextMark *mark;
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gdouble within_margin;
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gboolean use_align;
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gdouble xalign;
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gdouble yalign;
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};
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typedef enum
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{
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SELECT_CHARACTERS,
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SELECT_WORDS,
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SELECT_LINES
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} SelectionGranularity;
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enum
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{
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POPULATE_POPUP,
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MOVE_CURSOR,
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PAGE_HORIZONTALLY,
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SET_ANCHOR,
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INSERT_AT_CURSOR,
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DELETE_FROM_CURSOR,
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BACKSPACE,
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CUT_CLIPBOARD,
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COPY_CLIPBOARD,
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PASTE_CLIPBOARD,
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TOGGLE_OVERWRITE,
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MOVE_VIEWPORT,
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SELECT_ALL,
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TOGGLE_CURSOR_VISIBLE,
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PREEDIT_CHANGED,
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EXTEND_SELECTION,
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_PIXELS_ABOVE_LINES,
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PROP_PIXELS_BELOW_LINES,
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PROP_PIXELS_INSIDE_WRAP,
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PROP_EDITABLE,
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PROP_WRAP_MODE,
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PROP_JUSTIFICATION,
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PROP_LEFT_MARGIN,
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PROP_RIGHT_MARGIN,
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PROP_TOP_MARGIN,
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PROP_BOTTOM_MARGIN,
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PROP_INDENT,
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PROP_TABS,
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PROP_CURSOR_VISIBLE,
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PROP_BUFFER,
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PROP_OVERWRITE,
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PROP_ACCEPTS_TAB,
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PROP_IM_MODULE,
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PROP_HADJUSTMENT,
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PROP_VADJUSTMENT,
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PROP_HSCROLL_POLICY,
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PROP_VSCROLL_POLICY,
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PROP_INPUT_PURPOSE,
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PROP_INPUT_HINTS,
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PROP_POPULATE_ALL,
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PROP_MONOSPACE
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};
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static GQuark quark_text_selection_data = 0;
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static GQuark quark_gtk_signal = 0;
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static GQuark quark_text_view_child = 0;
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static void gtk_text_view_finalize (GObject *object);
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static void gtk_text_view_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_text_view_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_text_view_destroy (GtkWidget *widget);
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static void gtk_text_view_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_text_view_get_preferred_width (GtkWidget *widget,
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gint *minimum,
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gint *natural);
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static void gtk_text_view_get_preferred_height (GtkWidget *widget,
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gint *minimum,
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gint *natural);
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static void gtk_text_view_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_text_view_map (GtkWidget *widget);
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static void gtk_text_view_unmap (GtkWidget *widget);
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static void gtk_text_view_realize (GtkWidget *widget);
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static void gtk_text_view_unrealize (GtkWidget *widget);
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static void gtk_text_view_style_updated (GtkWidget *widget);
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static void gtk_text_view_direction_changed (GtkWidget *widget,
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GtkTextDirection previous_direction);
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static void gtk_text_view_state_flags_changed (GtkWidget *widget,
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GtkStateFlags previous_state);
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static void gtk_text_view_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
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gint n_press,
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gdouble x,
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gdouble y,
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GtkTextView *text_view);
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static void gtk_text_view_drag_gesture_update (GtkGestureDrag *gesture,
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gdouble offset_x,
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gdouble offset_y,
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GtkTextView *text_view);
|
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static void gtk_text_view_drag_gesture_end (GtkGestureDrag *gesture,
|
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gdouble offset_x,
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gdouble offset_y,
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||
GtkTextView *text_view);
|
||
|
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static gint gtk_text_view_event (GtkWidget *widget,
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GdkEvent *event);
|
||
static gint gtk_text_view_key_press_event (GtkWidget *widget,
|
||
GdkEventKey *event);
|
||
static gint gtk_text_view_key_release_event (GtkWidget *widget,
|
||
GdkEventKey *event);
|
||
static gint gtk_text_view_focus_in_event (GtkWidget *widget,
|
||
GdkEventFocus *event);
|
||
static gint gtk_text_view_focus_out_event (GtkWidget *widget,
|
||
GdkEventFocus *event);
|
||
static gint gtk_text_view_motion_event (GtkWidget *widget,
|
||
GdkEventMotion *event);
|
||
static gint gtk_text_view_draw (GtkWidget *widget,
|
||
cairo_t *cr);
|
||
static gboolean gtk_text_view_focus (GtkWidget *widget,
|
||
GtkDirectionType direction);
|
||
static void gtk_text_view_select_all (GtkWidget *widget,
|
||
gboolean select);
|
||
static gboolean get_middle_click_paste (GtkTextView *text_view);
|
||
|
||
static GtkTextBuffer* gtk_text_view_create_buffer (GtkTextView *text_view);
|
||
|
||
/* Source side drag signals */
|
||
static void gtk_text_view_drag_begin (GtkWidget *widget,
|
||
GdkDragContext *context);
|
||
static void gtk_text_view_drag_end (GtkWidget *widget,
|
||
GdkDragContext *context);
|
||
static void gtk_text_view_drag_data_get (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
guint time);
|
||
static void gtk_text_view_drag_data_delete (GtkWidget *widget,
|
||
GdkDragContext *context);
|
||
|
||
/* Target side drag signals */
|
||
static void gtk_text_view_drag_leave (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
guint time);
|
||
static gboolean gtk_text_view_drag_motion (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
guint time);
|
||
static gboolean gtk_text_view_drag_drop (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
guint time);
|
||
static void gtk_text_view_drag_data_received (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
guint time);
|
||
|
||
static gboolean gtk_text_view_popup_menu (GtkWidget *widget);
|
||
|
||
static void gtk_text_view_move_cursor (GtkTextView *text_view,
|
||
GtkMovementStep step,
|
||
gint count,
|
||
gboolean extend_selection);
|
||
static void gtk_text_view_move_viewport (GtkTextView *text_view,
|
||
GtkScrollStep step,
|
||
gint count);
|
||
static void gtk_text_view_set_anchor (GtkTextView *text_view);
|
||
static gboolean gtk_text_view_scroll_pages (GtkTextView *text_view,
|
||
gint count,
|
||
gboolean extend_selection);
|
||
static gboolean gtk_text_view_scroll_hpages(GtkTextView *text_view,
|
||
gint count,
|
||
gboolean extend_selection);
|
||
static void gtk_text_view_insert_at_cursor (GtkTextView *text_view,
|
||
const gchar *str);
|
||
static void gtk_text_view_delete_from_cursor (GtkTextView *text_view,
|
||
GtkDeleteType type,
|
||
gint count);
|
||
static void gtk_text_view_backspace (GtkTextView *text_view);
|
||
static void gtk_text_view_cut_clipboard (GtkTextView *text_view);
|
||
static void gtk_text_view_copy_clipboard (GtkTextView *text_view);
|
||
static void gtk_text_view_paste_clipboard (GtkTextView *text_view);
|
||
static void gtk_text_view_toggle_overwrite (GtkTextView *text_view);
|
||
static void gtk_text_view_toggle_cursor_visible (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_unselect (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_validate_onscreen (GtkTextView *text_view);
|
||
static void gtk_text_view_get_first_para_iter (GtkTextView *text_view,
|
||
GtkTextIter *iter);
|
||
static void gtk_text_view_update_layout_width (GtkTextView *text_view);
|
||
static void gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
|
||
GtkTextAttributes *values);
|
||
static void gtk_text_view_ensure_layout (GtkTextView *text_view);
|
||
static void gtk_text_view_destroy_layout (GtkTextView *text_view);
|
||
static void gtk_text_view_check_keymap_direction (GtkTextView *text_view);
|
||
static void gtk_text_view_start_selection_drag (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
SelectionGranularity granularity,
|
||
gboolean extends);
|
||
static gboolean gtk_text_view_end_selection_drag (GtkTextView *text_view);
|
||
static void gtk_text_view_start_selection_dnd (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
const GdkEvent *event,
|
||
gint x,
|
||
gint y);
|
||
static void gtk_text_view_check_cursor_blink (GtkTextView *text_view);
|
||
static void gtk_text_view_pend_cursor_blink (GtkTextView *text_view);
|
||
static void gtk_text_view_stop_cursor_blink (GtkTextView *text_view);
|
||
static void gtk_text_view_reset_blink_time (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_value_changed (GtkAdjustment *adjustment,
|
||
GtkTextView *view);
|
||
static void gtk_text_view_commit_handler (GtkIMContext *context,
|
||
const gchar *str,
|
||
GtkTextView *text_view);
|
||
static void gtk_text_view_commit_text (GtkTextView *text_view,
|
||
const gchar *text);
|
||
static void gtk_text_view_preedit_changed_handler (GtkIMContext *context,
|
||
GtkTextView *text_view);
|
||
static gboolean gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
|
||
GtkTextView *text_view);
|
||
static gboolean gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
|
||
gint offset,
|
||
gint n_chars,
|
||
GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
|
||
const GtkTextIter *location,
|
||
GtkTextMark *mark,
|
||
gpointer data);
|
||
static void gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
|
||
const GParamSpec *pspec,
|
||
gpointer data);
|
||
static void gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
|
||
GtkClipboard *clipboard,
|
||
gpointer data);
|
||
static void gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
|
||
gpointer data);
|
||
static void gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
|
||
GtkTextIter *cursor,
|
||
gint *x,
|
||
gint *y);
|
||
static void gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
|
||
gint x,
|
||
gint y);
|
||
|
||
static void gtk_text_view_do_popup (GtkTextView *text_view,
|
||
const GdkEvent *event);
|
||
|
||
static void cancel_pending_scroll (GtkTextView *text_view);
|
||
static void gtk_text_view_queue_scroll (GtkTextView *text_view,
|
||
GtkTextMark *mark,
|
||
gdouble within_margin,
|
||
gboolean use_align,
|
||
gdouble xalign,
|
||
gdouble yalign);
|
||
|
||
static gboolean gtk_text_view_flush_scroll (GtkTextView *text_view);
|
||
static void gtk_text_view_update_adjustments (GtkTextView *text_view);
|
||
static void gtk_text_view_invalidate (GtkTextView *text_view);
|
||
static void gtk_text_view_flush_first_validate (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_set_hadjustment (GtkTextView *text_view,
|
||
GtkAdjustment *adjustment);
|
||
static void gtk_text_view_set_vadjustment (GtkTextView *text_view,
|
||
GtkAdjustment *adjustment);
|
||
static void gtk_text_view_set_hadjustment_values (GtkTextView *text_view);
|
||
static void gtk_text_view_set_vadjustment_values (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_update_im_spot_location (GtkTextView *text_view);
|
||
|
||
/* Container methods */
|
||
static void gtk_text_view_add (GtkContainer *container,
|
||
GtkWidget *child);
|
||
static void gtk_text_view_remove (GtkContainer *container,
|
||
GtkWidget *child);
|
||
static void gtk_text_view_forall (GtkContainer *container,
|
||
gboolean include_internals,
|
||
GtkCallback callback,
|
||
gpointer callback_data);
|
||
|
||
/* GtkTextHandle handlers */
|
||
static void gtk_text_view_handle_drag_started (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
GtkTextView *text_view);
|
||
static void gtk_text_view_handle_dragged (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
gint x,
|
||
gint y,
|
||
GtkTextView *text_view);
|
||
static void gtk_text_view_handle_drag_finished (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
GtkTextView *text_view);
|
||
static void gtk_text_view_update_handles (GtkTextView *text_view,
|
||
GtkTextHandleMode mode);
|
||
|
||
static void gtk_text_view_selection_bubble_popup_unset (GtkTextView *text_view);
|
||
static void gtk_text_view_selection_bubble_popup_set (GtkTextView *text_view);
|
||
|
||
static void gtk_text_view_queue_draw_region (GtkWidget *widget,
|
||
const cairo_region_t *region);
|
||
|
||
static void gtk_text_view_get_rendered_rect (GtkTextView *text_view,
|
||
GdkRectangle *rect);
|
||
|
||
static gboolean gtk_text_view_extend_selection (GtkTextView *text_view,
|
||
GtkTextExtendSelection granularity,
|
||
const GtkTextIter *location,
|
||
GtkTextIter *start,
|
||
GtkTextIter *end);
|
||
static void extend_selection (GtkTextView *text_view,
|
||
SelectionGranularity granularity,
|
||
const GtkTextIter *location,
|
||
GtkTextIter *start,
|
||
GtkTextIter *end);
|
||
|
||
|
||
|
||
/* FIXME probably need the focus methods. */
|
||
|
||
typedef struct _GtkTextViewChild GtkTextViewChild;
|
||
|
||
struct _GtkTextViewChild
|
||
{
|
||
GtkWidget *widget;
|
||
|
||
GtkTextChildAnchor *anchor;
|
||
|
||
gint from_top_of_line;
|
||
gint from_left_of_buffer;
|
||
|
||
/* These are ignored if anchor != NULL */
|
||
GtkTextWindowType type;
|
||
gint x;
|
||
gint y;
|
||
};
|
||
|
||
static GtkTextViewChild* text_view_child_new_anchored (GtkWidget *child,
|
||
GtkTextChildAnchor *anchor,
|
||
GtkTextLayout *layout);
|
||
static GtkTextViewChild* text_view_child_new_window (GtkWidget *child,
|
||
GtkTextWindowType type,
|
||
gint x,
|
||
gint y);
|
||
static void text_view_child_free (GtkTextViewChild *child);
|
||
static void text_view_child_set_parent_window (GtkTextView *text_view,
|
||
GtkTextViewChild *child);
|
||
|
||
struct _GtkTextWindow
|
||
{
|
||
GtkTextWindowType type;
|
||
GtkWidget *widget;
|
||
GdkWindow *window;
|
||
GdkWindow *bin_window;
|
||
GtkCssNode *css_node;
|
||
GtkRequisition requisition;
|
||
GdkRectangle allocation;
|
||
};
|
||
|
||
static GtkTextWindow *text_window_new (GtkTextWindowType type,
|
||
GtkWidget *widget,
|
||
gint width_request,
|
||
gint height_request);
|
||
static void text_window_free (GtkTextWindow *win);
|
||
static void text_window_realize (GtkTextWindow *win,
|
||
GtkWidget *widget);
|
||
static void text_window_unrealize (GtkTextWindow *win);
|
||
static void text_window_size_allocate (GtkTextWindow *win,
|
||
GdkRectangle *rect);
|
||
static void text_window_scroll (GtkTextWindow *win,
|
||
gint dx,
|
||
gint dy);
|
||
static void text_window_invalidate_rect (GtkTextWindow *win,
|
||
GdkRectangle *rect);
|
||
static void text_window_invalidate_cursors (GtkTextWindow *win);
|
||
|
||
static gint text_window_get_width (GtkTextWindow *win);
|
||
static gint text_window_get_height (GtkTextWindow *win);
|
||
|
||
|
||
static guint signals[LAST_SIGNAL] = { 0 };
|
||
|
||
G_DEFINE_TYPE_WITH_CODE (GtkTextView, gtk_text_view, GTK_TYPE_CONTAINER,
|
||
G_ADD_PRIVATE (GtkTextView)
|
||
G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
|
||
|
||
static void
|
||
add_move_binding (GtkBindingSet *binding_set,
|
||
guint keyval,
|
||
guint modmask,
|
||
GtkMovementStep step,
|
||
gint count)
|
||
{
|
||
g_assert ((modmask & GDK_SHIFT_MASK) == 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, keyval, modmask,
|
||
"move-cursor", 3,
|
||
G_TYPE_ENUM, step,
|
||
G_TYPE_INT, count,
|
||
G_TYPE_BOOLEAN, FALSE);
|
||
|
||
/* Selection-extending version */
|
||
gtk_binding_entry_add_signal (binding_set, keyval, modmask | GDK_SHIFT_MASK,
|
||
"move-cursor", 3,
|
||
G_TYPE_ENUM, step,
|
||
G_TYPE_INT, count,
|
||
G_TYPE_BOOLEAN, TRUE);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_class_init (GtkTextViewClass *klass)
|
||
{
|
||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
|
||
GtkBindingSet *binding_set;
|
||
|
||
/* Default handlers and virtual methods
|
||
*/
|
||
gobject_class->set_property = gtk_text_view_set_property;
|
||
gobject_class->get_property = gtk_text_view_get_property;
|
||
gobject_class->finalize = gtk_text_view_finalize;
|
||
|
||
widget_class->destroy = gtk_text_view_destroy;
|
||
widget_class->map = gtk_text_view_map;
|
||
widget_class->unmap = gtk_text_view_unmap;
|
||
widget_class->realize = gtk_text_view_realize;
|
||
widget_class->unrealize = gtk_text_view_unrealize;
|
||
widget_class->style_updated = gtk_text_view_style_updated;
|
||
widget_class->direction_changed = gtk_text_view_direction_changed;
|
||
widget_class->state_flags_changed = gtk_text_view_state_flags_changed;
|
||
widget_class->get_preferred_width = gtk_text_view_get_preferred_width;
|
||
widget_class->get_preferred_height = gtk_text_view_get_preferred_height;
|
||
widget_class->size_allocate = gtk_text_view_size_allocate;
|
||
widget_class->event = gtk_text_view_event;
|
||
widget_class->key_press_event = gtk_text_view_key_press_event;
|
||
widget_class->key_release_event = gtk_text_view_key_release_event;
|
||
widget_class->focus_in_event = gtk_text_view_focus_in_event;
|
||
widget_class->focus_out_event = gtk_text_view_focus_out_event;
|
||
widget_class->motion_notify_event = gtk_text_view_motion_event;
|
||
widget_class->draw = gtk_text_view_draw;
|
||
widget_class->focus = gtk_text_view_focus;
|
||
widget_class->drag_begin = gtk_text_view_drag_begin;
|
||
widget_class->drag_end = gtk_text_view_drag_end;
|
||
widget_class->drag_data_get = gtk_text_view_drag_data_get;
|
||
widget_class->drag_data_delete = gtk_text_view_drag_data_delete;
|
||
|
||
widget_class->drag_leave = gtk_text_view_drag_leave;
|
||
widget_class->drag_motion = gtk_text_view_drag_motion;
|
||
widget_class->drag_drop = gtk_text_view_drag_drop;
|
||
widget_class->drag_data_received = gtk_text_view_drag_data_received;
|
||
|
||
widget_class->popup_menu = gtk_text_view_popup_menu;
|
||
|
||
widget_class->queue_draw_region = gtk_text_view_queue_draw_region;
|
||
|
||
container_class->add = gtk_text_view_add;
|
||
container_class->remove = gtk_text_view_remove;
|
||
container_class->forall = gtk_text_view_forall;
|
||
|
||
klass->move_cursor = gtk_text_view_move_cursor;
|
||
klass->set_anchor = gtk_text_view_set_anchor;
|
||
klass->insert_at_cursor = gtk_text_view_insert_at_cursor;
|
||
klass->delete_from_cursor = gtk_text_view_delete_from_cursor;
|
||
klass->backspace = gtk_text_view_backspace;
|
||
klass->cut_clipboard = gtk_text_view_cut_clipboard;
|
||
klass->copy_clipboard = gtk_text_view_copy_clipboard;
|
||
klass->paste_clipboard = gtk_text_view_paste_clipboard;
|
||
klass->toggle_overwrite = gtk_text_view_toggle_overwrite;
|
||
klass->create_buffer = gtk_text_view_create_buffer;
|
||
klass->extend_selection = gtk_text_view_extend_selection;
|
||
|
||
/*
|
||
* Properties
|
||
*/
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_PIXELS_ABOVE_LINES,
|
||
g_param_spec_int ("pixels-above-lines",
|
||
P_("Pixels Above Lines"),
|
||
P_("Pixels of blank space above paragraphs"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_PIXELS_BELOW_LINES,
|
||
g_param_spec_int ("pixels-below-lines",
|
||
P_("Pixels Below Lines"),
|
||
P_("Pixels of blank space below paragraphs"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_PIXELS_INSIDE_WRAP,
|
||
g_param_spec_int ("pixels-inside-wrap",
|
||
P_("Pixels Inside Wrap"),
|
||
P_("Pixels of blank space between wrapped lines in a paragraph"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_EDITABLE,
|
||
g_param_spec_boolean ("editable",
|
||
P_("Editable"),
|
||
P_("Whether the text can be modified by the user"),
|
||
TRUE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_WRAP_MODE,
|
||
g_param_spec_enum ("wrap-mode",
|
||
P_("Wrap Mode"),
|
||
P_("Whether to wrap lines never, at word boundaries, or at character boundaries"),
|
||
GTK_TYPE_WRAP_MODE,
|
||
GTK_WRAP_NONE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_JUSTIFICATION,
|
||
g_param_spec_enum ("justification",
|
||
P_("Justification"),
|
||
P_("Left, right, or center justification"),
|
||
GTK_TYPE_JUSTIFICATION,
|
||
GTK_JUSTIFY_LEFT,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:left-margin:
|
||
*
|
||
* The default left margin for text in the text view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Note that this property is confusingly named. In CSS terms,
|
||
* the value set here is padding, and it is applied in addition
|
||
* to the padding from the theme.
|
||
*
|
||
* Don't confuse this property with #GtkWidget:margin-left.
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_LEFT_MARGIN,
|
||
g_param_spec_int ("left-margin",
|
||
P_("Left Margin"),
|
||
P_("Width of the left margin in pixels"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:right-margin:
|
||
*
|
||
* The default right margin for text in the text view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Note that this property is confusingly named. In CSS terms,
|
||
* the value set here is padding, and it is applied in addition
|
||
* to the padding from the theme.
|
||
*
|
||
* Don't confuse this property with #GtkWidget:margin-right.
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_RIGHT_MARGIN,
|
||
g_param_spec_int ("right-margin",
|
||
P_("Right Margin"),
|
||
P_("Width of the right margin in pixels"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:top-margin:
|
||
*
|
||
* The top margin for text in the text view.
|
||
*
|
||
* Note that this property is confusingly named. In CSS terms,
|
||
* the value set here is padding, and it is applied in addition
|
||
* to the padding from the theme.
|
||
*
|
||
* Don't confuse this property with #GtkWidget:margin-top.
|
||
*
|
||
* Since: 3.18
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_TOP_MARGIN,
|
||
g_param_spec_int ("top-margin",
|
||
P_("Top Margin"),
|
||
P_("Height of the top margin in pixels"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:bottom-margin:
|
||
*
|
||
* The bottom margin for text in the text view.
|
||
*
|
||
* Note that this property is confusingly named. In CSS terms,
|
||
* the value set here is padding, and it is applied in addition
|
||
* to the padding from the theme.
|
||
*
|
||
* Don't confuse this property with #GtkWidget:margin-bottom.
|
||
*
|
||
* Since: 3.18
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_BOTTOM_MARGIN,
|
||
g_param_spec_int ("bottom-margin",
|
||
P_("Bottom Margin"),
|
||
P_("Height of the bottom margin in pixels"),
|
||
0, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_INDENT,
|
||
g_param_spec_int ("indent",
|
||
P_("Indent"),
|
||
P_("Amount to indent the paragraph, in pixels"),
|
||
G_MININT, G_MAXINT, 0,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_TABS,
|
||
g_param_spec_boxed ("tabs",
|
||
P_("Tabs"),
|
||
P_("Custom tabs for this text"),
|
||
PANGO_TYPE_TAB_ARRAY,
|
||
GTK_PARAM_READWRITE));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_CURSOR_VISIBLE,
|
||
g_param_spec_boolean ("cursor-visible",
|
||
P_("Cursor Visible"),
|
||
P_("If the insertion cursor is shown"),
|
||
TRUE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_BUFFER,
|
||
g_param_spec_object ("buffer",
|
||
P_("Buffer"),
|
||
P_("The buffer which is displayed"),
|
||
GTK_TYPE_TEXT_BUFFER,
|
||
GTK_PARAM_READWRITE));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_OVERWRITE,
|
||
g_param_spec_boolean ("overwrite",
|
||
P_("Overwrite mode"),
|
||
P_("Whether entered text overwrites existing contents"),
|
||
FALSE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_ACCEPTS_TAB,
|
||
g_param_spec_boolean ("accepts-tab",
|
||
P_("Accepts tab"),
|
||
P_("Whether Tab will result in a tab character being entered"),
|
||
TRUE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:im-module:
|
||
*
|
||
* Which IM (input method) module should be used for this text_view.
|
||
* See #GtkIMContext.
|
||
*
|
||
* Setting this to a non-%NULL value overrides the
|
||
* system-wide IM module setting. See the GtkSettings
|
||
* #GtkSettings:gtk-im-module property.
|
||
*
|
||
* Since: 2.16
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_IM_MODULE,
|
||
g_param_spec_string ("im-module",
|
||
P_("IM module"),
|
||
P_("Which IM module should be used"),
|
||
NULL,
|
||
GTK_PARAM_READWRITE));
|
||
|
||
/**
|
||
* GtkTextView:input-purpose:
|
||
*
|
||
* The purpose of this text field.
|
||
*
|
||
* This property can be used by on-screen keyboards and other input
|
||
* methods to adjust their behaviour.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_INPUT_PURPOSE,
|
||
g_param_spec_enum ("input-purpose",
|
||
P_("Purpose"),
|
||
P_("Purpose of the text field"),
|
||
GTK_TYPE_INPUT_PURPOSE,
|
||
GTK_INPUT_PURPOSE_FREE_FORM,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
|
||
/**
|
||
* GtkTextView:input-hints:
|
||
*
|
||
* Additional hints (beyond #GtkTextView:input-purpose) that
|
||
* allow input methods to fine-tune their behaviour.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_INPUT_HINTS,
|
||
g_param_spec_flags ("input-hints",
|
||
P_("hints"),
|
||
P_("Hints for the text field behaviour"),
|
||
GTK_TYPE_INPUT_HINTS,
|
||
GTK_INPUT_HINT_NONE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextView:populate-all:
|
||
*
|
||
* If :populate-all is %TRUE, the #GtkTextView::populate-popup
|
||
* signal is also emitted for touch popups.
|
||
*
|
||
* Since: 3.8
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_POPULATE_ALL,
|
||
g_param_spec_boolean ("populate-all",
|
||
P_("Populate all"),
|
||
P_("Whether to emit ::populate-popup for touch popups"),
|
||
FALSE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkTextview:monospace:
|
||
*
|
||
* If %TRUE, set the %GTK_STYLE_CLASS_MONOSPACE style class on the
|
||
* text view to indicate that a monospace font is desired.
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
g_object_class_install_property (gobject_class,
|
||
PROP_MONOSPACE,
|
||
g_param_spec_boolean ("monospace",
|
||
P_("Monospace"),
|
||
P_("Whether to use a monospace font"),
|
||
FALSE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
|
||
|
||
/* GtkScrollable interface */
|
||
g_object_class_override_property (gobject_class, PROP_HADJUSTMENT, "hadjustment");
|
||
g_object_class_override_property (gobject_class, PROP_VADJUSTMENT, "vadjustment");
|
||
g_object_class_override_property (gobject_class, PROP_HSCROLL_POLICY, "hscroll-policy");
|
||
g_object_class_override_property (gobject_class, PROP_VSCROLL_POLICY, "vscroll-policy");
|
||
|
||
/*
|
||
* Style properties
|
||
*/
|
||
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
||
gtk_widget_class_install_style_property (widget_class,
|
||
g_param_spec_boxed ("error-underline-color",
|
||
P_("Error underline color"),
|
||
P_("Color with which to draw error-indication underlines"),
|
||
GDK_TYPE_COLOR,
|
||
GTK_PARAM_READABLE));
|
||
G_GNUC_END_IGNORE_DEPRECATIONS
|
||
|
||
/*
|
||
* Signals
|
||
*/
|
||
|
||
/**
|
||
* GtkTextView::move-cursor:
|
||
* @text_view: the object which received the signal
|
||
* @step: the granularity of the move, as a #GtkMovementStep
|
||
* @count: the number of @step units to move
|
||
* @extend_selection: %TRUE if the move should extend the selection
|
||
*
|
||
* The ::move-cursor signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted when the user initiates a cursor movement.
|
||
* If the cursor is not visible in @text_view, this signal causes
|
||
* the viewport to be moved instead.
|
||
*
|
||
* Applications should not connect to it, but may emit it with
|
||
* g_signal_emit_by_name() if they need to control the cursor
|
||
* programmatically.
|
||
*
|
||
* The default bindings for this signal come in two variants,
|
||
* the variant with the Shift modifier extends the selection,
|
||
* the variant without the Shift modifer does not.
|
||
* There are too many key combinations to list them all here.
|
||
* - Arrow keys move by individual characters/lines
|
||
* - Ctrl-arrow key combinations move by words/paragraphs
|
||
* - Home/End keys move to the ends of the buffer
|
||
* - PageUp/PageDown keys move vertically by pages
|
||
* - Ctrl-PageUp/PageDown keys move horizontally by pages
|
||
*/
|
||
signals[MOVE_CURSOR] =
|
||
g_signal_new (I_("move-cursor"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, move_cursor),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__ENUM_INT_BOOLEAN,
|
||
G_TYPE_NONE, 3,
|
||
GTK_TYPE_MOVEMENT_STEP,
|
||
G_TYPE_INT,
|
||
G_TYPE_BOOLEAN);
|
||
|
||
/**
|
||
* GtkTextView::move-viewport:
|
||
* @text_view: the object which received the signal
|
||
* @step: the granularity of the move, as a #GtkMovementStep
|
||
* @count: the number of @step units to move
|
||
*
|
||
* The ::move-viewport signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which can be bound to key combinations to allow the user
|
||
* to move the viewport, i.e. change what part of the text view
|
||
* is visible in a containing scrolled window.
|
||
*
|
||
* There are no default bindings for this signal.
|
||
*/
|
||
signals[MOVE_VIEWPORT] =
|
||
g_signal_new_class_handler (I_("move-viewport"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_CALLBACK (gtk_text_view_move_viewport),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__ENUM_INT,
|
||
G_TYPE_NONE, 2,
|
||
GTK_TYPE_SCROLL_STEP,
|
||
G_TYPE_INT);
|
||
|
||
/**
|
||
* GtkTextView::set-anchor:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::set-anchor signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted when the user initiates setting the "anchor"
|
||
* mark. The "anchor" mark gets placed at the same position as the
|
||
* "insert" mark.
|
||
*
|
||
* This signal has no default bindings.
|
||
*/
|
||
signals[SET_ANCHOR] =
|
||
g_signal_new (I_("set-anchor"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, set_anchor),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::insert-at-cursor:
|
||
* @text_view: the object which received the signal
|
||
* @string: the string to insert
|
||
*
|
||
* The ::insert-at-cursor signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted when the user initiates the insertion of a
|
||
* fixed string at the cursor.
|
||
*
|
||
* This signal has no default bindings.
|
||
*/
|
||
signals[INSERT_AT_CURSOR] =
|
||
g_signal_new (I_("insert-at-cursor"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, insert_at_cursor),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__STRING,
|
||
G_TYPE_NONE, 1,
|
||
G_TYPE_STRING);
|
||
|
||
/**
|
||
* GtkTextView::delete-from-cursor:
|
||
* @text_view: the object which received the signal
|
||
* @type: the granularity of the deletion, as a #GtkDeleteType
|
||
* @count: the number of @type units to delete
|
||
*
|
||
* The ::delete-from-cursor signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted when the user initiates a text deletion.
|
||
*
|
||
* If the @type is %GTK_DELETE_CHARS, GTK+ deletes the selection
|
||
* if there is one, otherwise it deletes the requested number
|
||
* of characters.
|
||
*
|
||
* The default bindings for this signal are
|
||
* Delete for deleting a character, Ctrl-Delete for
|
||
* deleting a word and Ctrl-Backspace for deleting a word
|
||
* backwords.
|
||
*/
|
||
signals[DELETE_FROM_CURSOR] =
|
||
g_signal_new (I_("delete-from-cursor"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, delete_from_cursor),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__ENUM_INT,
|
||
G_TYPE_NONE, 2,
|
||
GTK_TYPE_DELETE_TYPE,
|
||
G_TYPE_INT);
|
||
|
||
/**
|
||
* GtkTextView::backspace:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::backspace signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted when the user asks for it.
|
||
*
|
||
* The default bindings for this signal are
|
||
* Backspace and Shift-Backspace.
|
||
*/
|
||
signals[BACKSPACE] =
|
||
g_signal_new (I_("backspace"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, backspace),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::cut-clipboard:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::cut-clipboard signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to cut the selection to the clipboard.
|
||
*
|
||
* The default bindings for this signal are
|
||
* Ctrl-x and Shift-Delete.
|
||
*/
|
||
signals[CUT_CLIPBOARD] =
|
||
g_signal_new (I_("cut-clipboard"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, cut_clipboard),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::copy-clipboard:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::copy-clipboard signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to copy the selection to the clipboard.
|
||
*
|
||
* The default bindings for this signal are
|
||
* Ctrl-c and Ctrl-Insert.
|
||
*/
|
||
signals[COPY_CLIPBOARD] =
|
||
g_signal_new (I_("copy-clipboard"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, copy_clipboard),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::paste-clipboard:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::paste-clipboard signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to paste the contents of the clipboard
|
||
* into the text view.
|
||
*
|
||
* The default bindings for this signal are
|
||
* Ctrl-v and Shift-Insert.
|
||
*/
|
||
signals[PASTE_CLIPBOARD] =
|
||
g_signal_new (I_("paste-clipboard"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, paste_clipboard),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::toggle-overwrite:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::toggle-overwrite signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to toggle the overwrite mode of the text view.
|
||
*
|
||
* The default bindings for this signal is Insert.
|
||
*/
|
||
signals[TOGGLE_OVERWRITE] =
|
||
g_signal_new (I_("toggle-overwrite"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, toggle_overwrite),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::populate-popup:
|
||
* @text_view: The text view on which the signal is emitted
|
||
* @popup: the container that is being populated
|
||
*
|
||
* The ::populate-popup signal gets emitted before showing the
|
||
* context menu of the text view.
|
||
*
|
||
* If you need to add items to the context menu, connect
|
||
* to this signal and append your items to the @popup, which
|
||
* will be a #GtkMenu in this case.
|
||
*
|
||
* If #GtkTextView:populate-all is %TRUE, this signal will
|
||
* also be emitted to populate touch popups. In this case,
|
||
* @popup will be a different container, e.g. a #GtkToolbar.
|
||
*
|
||
* The signal handler should not make assumptions about the
|
||
* type of @widget, but check whether @popup is a #GtkMenu
|
||
* or #GtkToolbar or another kind of container.
|
||
*/
|
||
signals[POPULATE_POPUP] =
|
||
g_signal_new (I_("populate-popup"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, populate_popup),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__OBJECT,
|
||
G_TYPE_NONE, 1,
|
||
GTK_TYPE_WIDGET);
|
||
|
||
/**
|
||
* GtkTextView::select-all:
|
||
* @text_view: the object which received the signal
|
||
* @select: %TRUE to select, %FALSE to unselect
|
||
*
|
||
* The ::select-all signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to select or unselect the complete
|
||
* contents of the text view.
|
||
*
|
||
* The default bindings for this signal are Ctrl-a and Ctrl-/
|
||
* for selecting and Shift-Ctrl-a and Ctrl-\ for unselecting.
|
||
*/
|
||
signals[SELECT_ALL] =
|
||
g_signal_new_class_handler (I_("select-all"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_CALLBACK (gtk_text_view_select_all),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__BOOLEAN,
|
||
G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
|
||
|
||
/**
|
||
* GtkTextView::toggle-cursor-visible:
|
||
* @text_view: the object which received the signal
|
||
*
|
||
* The ::toggle-cursor-visible signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to toggle the visibility of the cursor.
|
||
*
|
||
* The default binding for this signal is F7.
|
||
*/
|
||
signals[TOGGLE_CURSOR_VISIBLE] =
|
||
g_signal_new_class_handler (I_("toggle-cursor-visible"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_CALLBACK (gtk_text_view_toggle_cursor_visible),
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__VOID,
|
||
G_TYPE_NONE, 0);
|
||
|
||
/**
|
||
* GtkTextView::preedit-changed:
|
||
* @text_view: the object which received the signal
|
||
* @preedit: the current preedit string
|
||
*
|
||
* If an input method is used, the typed text will not immediately
|
||
* be committed to the buffer. So if you are interested in the text,
|
||
* connect to this signal.
|
||
*
|
||
* This signal is only emitted if the text at the given position
|
||
* is actually editable.
|
||
*
|
||
* Since: 2.20
|
||
*/
|
||
signals[PREEDIT_CHANGED] =
|
||
g_signal_new_class_handler (I_("preedit-changed"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
NULL,
|
||
NULL, NULL,
|
||
_gtk_marshal_VOID__STRING,
|
||
G_TYPE_NONE, 1,
|
||
G_TYPE_STRING);
|
||
|
||
/**
|
||
* GtkTextView::extend-selection:
|
||
* @text_view: the object which received the signal
|
||
* @granularity: the granularity type
|
||
* @location: the location where to extend the selection
|
||
* @start: where the selection should start
|
||
* @end: where the selection should end
|
||
*
|
||
* The ::extend-selection signal is emitted when the selection needs to be
|
||
* extended at @location.
|
||
*
|
||
* Returns: %GDK_EVENT_STOP to stop other handlers from being invoked for the
|
||
* event. %GDK_EVENT_PROPAGATE to propagate the event further.
|
||
* Since: 3.16
|
||
*/
|
||
signals[EXTEND_SELECTION] =
|
||
g_signal_new (I_("extend-selection"),
|
||
G_OBJECT_CLASS_TYPE (gobject_class),
|
||
G_SIGNAL_RUN_LAST,
|
||
G_STRUCT_OFFSET (GtkTextViewClass, extend_selection),
|
||
_gtk_boolean_handled_accumulator, NULL,
|
||
NULL, /* generic marshaller */
|
||
G_TYPE_BOOLEAN, 4,
|
||
GTK_TYPE_TEXT_EXTEND_SELECTION,
|
||
GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
|
||
GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE,
|
||
GTK_TYPE_TEXT_ITER | G_SIGNAL_TYPE_STATIC_SCOPE);
|
||
|
||
/*
|
||
* Key bindings
|
||
*/
|
||
|
||
binding_set = gtk_binding_set_by_class (klass);
|
||
|
||
/* Moving the insertion point */
|
||
add_move_binding (binding_set, GDK_KEY_Right, 0,
|
||
GTK_MOVEMENT_VISUAL_POSITIONS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Right, 0,
|
||
GTK_MOVEMENT_VISUAL_POSITIONS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Left, 0,
|
||
GTK_MOVEMENT_VISUAL_POSITIONS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Left, 0,
|
||
GTK_MOVEMENT_VISUAL_POSITIONS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Right, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_WORDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Right, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_WORDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Left, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_WORDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Left, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_WORDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Up, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Up, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Down, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINES, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Down, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINES, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Up, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_PARAGRAPHS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Up, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_PARAGRAPHS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Down, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_PARAGRAPHS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Down, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_PARAGRAPHS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Home, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Home, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINE_ENDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_End, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_End, 0,
|
||
GTK_MOVEMENT_DISPLAY_LINE_ENDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Home, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_BUFFER_ENDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Home, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_BUFFER_ENDS, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_End, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_BUFFER_ENDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_End, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_BUFFER_ENDS, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Page_Up, 0,
|
||
GTK_MOVEMENT_PAGES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Up, 0,
|
||
GTK_MOVEMENT_PAGES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Page_Down, 0,
|
||
GTK_MOVEMENT_PAGES, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Down, 0,
|
||
GTK_MOVEMENT_PAGES, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Page_Up, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Up, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_HORIZONTAL_PAGES, -1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Page_Down, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Down, GDK_CONTROL_MASK,
|
||
GTK_MOVEMENT_HORIZONTAL_PAGES, 1);
|
||
|
||
/* Select all */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_CONTROL_MASK,
|
||
"select-all", 1,
|
||
G_TYPE_BOOLEAN, TRUE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_slash, GDK_CONTROL_MASK,
|
||
"select-all", 1,
|
||
G_TYPE_BOOLEAN, TRUE);
|
||
|
||
/* Unselect all */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_backslash, GDK_CONTROL_MASK,
|
||
"select-all", 1,
|
||
G_TYPE_BOOLEAN, FALSE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_a, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"select-all", 1,
|
||
G_TYPE_BOOLEAN, FALSE);
|
||
|
||
/* Deleting text */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, 0,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_CHARS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, 0,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_CHARS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, 0,
|
||
"backspace", 0);
|
||
|
||
/* Make this do the same as Backspace, to help with mis-typing */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK,
|
||
"backspace", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_WORD_ENDS,
|
||
G_TYPE_INT, -1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
|
||
G_TYPE_INT, 1);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_BackSpace, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"delete-from-cursor", 2,
|
||
G_TYPE_ENUM, GTK_DELETE_PARAGRAPH_ENDS,
|
||
G_TYPE_INT, -1);
|
||
|
||
/* Cut/copy/paste */
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_x, GDK_CONTROL_MASK,
|
||
"cut-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_c, GDK_CONTROL_MASK,
|
||
"copy-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_v, GDK_CONTROL_MASK,
|
||
"paste-clipboard", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Delete, GDK_SHIFT_MASK,
|
||
"cut-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, GDK_CONTROL_MASK,
|
||
"copy-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, GDK_SHIFT_MASK,
|
||
"paste-clipboard", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Delete, GDK_SHIFT_MASK,
|
||
"cut-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_CONTROL_MASK,
|
||
"copy-clipboard", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, GDK_SHIFT_MASK,
|
||
"paste-clipboard", 0);
|
||
|
||
/* Overwrite */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Insert, 0,
|
||
"toggle-overwrite", 0);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Insert, 0,
|
||
"toggle-overwrite", 0);
|
||
|
||
/* Caret mode */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_F7, 0,
|
||
"toggle-cursor-visible", 0);
|
||
|
||
/* Control-tab focus motion */
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_CONTROL_MASK,
|
||
"move-focus", 1,
|
||
GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_CONTROL_MASK,
|
||
"move-focus", 1,
|
||
GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_FORWARD);
|
||
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"move-focus", 1,
|
||
GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
|
||
gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, GDK_SHIFT_MASK | GDK_CONTROL_MASK,
|
||
"move-focus", 1,
|
||
GTK_TYPE_DIRECTION_TYPE, GTK_DIR_TAB_BACKWARD);
|
||
|
||
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_TEXT_VIEW_ACCESSIBLE);
|
||
gtk_widget_class_set_css_name (widget_class, "textview");
|
||
|
||
quark_text_selection_data = g_quark_from_static_string ("gtk-text-view-text-selection-data");
|
||
quark_gtk_signal = g_quark_from_static_string ("gtk-signal");
|
||
quark_text_view_child = g_quark_from_static_string ("gtk-text-view-child");
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_init (GtkTextView *text_view)
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (text_view);
|
||
GtkTargetList *target_list;
|
||
GtkTextViewPrivate *priv;
|
||
GtkStyleContext *context;
|
||
|
||
text_view->priv = gtk_text_view_get_instance_private (text_view);
|
||
priv = text_view->priv;
|
||
|
||
gtk_widget_set_can_focus (widget, TRUE);
|
||
|
||
priv->pixel_cache = _gtk_pixel_cache_new ();
|
||
|
||
context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
|
||
gtk_style_context_add_class (context, GTK_STYLE_CLASS_VIEW);
|
||
_gtk_pixel_cache_set_style_context (priv->pixel_cache, context);
|
||
|
||
/* Set up default style */
|
||
priv->wrap_mode = GTK_WRAP_NONE;
|
||
priv->pixels_above_lines = 0;
|
||
priv->pixels_below_lines = 0;
|
||
priv->pixels_inside_wrap = 0;
|
||
priv->justify = GTK_JUSTIFY_LEFT;
|
||
priv->indent = 0;
|
||
priv->tabs = NULL;
|
||
priv->editable = TRUE;
|
||
|
||
priv->scroll_after_paste = TRUE;
|
||
|
||
gtk_drag_dest_set (widget, 0, NULL, 0,
|
||
GDK_ACTION_COPY | GDK_ACTION_MOVE);
|
||
|
||
target_list = gtk_target_list_new (NULL, 0);
|
||
gtk_drag_dest_set_target_list (widget, target_list);
|
||
gtk_target_list_unref (target_list);
|
||
|
||
priv->virtual_cursor_x = -1;
|
||
priv->virtual_cursor_y = -1;
|
||
|
||
/* This object is completely private. No external entity can gain a reference
|
||
* to it; so we create it here and destroy it in finalize ().
|
||
*/
|
||
priv->im_context = gtk_im_multicontext_new ();
|
||
|
||
g_signal_connect (priv->im_context, "commit",
|
||
G_CALLBACK (gtk_text_view_commit_handler), text_view);
|
||
g_signal_connect (priv->im_context, "preedit-changed",
|
||
G_CALLBACK (gtk_text_view_preedit_changed_handler), text_view);
|
||
g_signal_connect (priv->im_context, "retrieve-surrounding",
|
||
G_CALLBACK (gtk_text_view_retrieve_surrounding_handler), text_view);
|
||
g_signal_connect (priv->im_context, "delete-surrounding",
|
||
G_CALLBACK (gtk_text_view_delete_surrounding_handler), text_view);
|
||
|
||
priv->cursor_visible = TRUE;
|
||
|
||
priv->accepts_tab = TRUE;
|
||
|
||
priv->text_window = text_window_new (GTK_TEXT_WINDOW_TEXT,
|
||
widget, 200, 200);
|
||
|
||
/* We handle all our own redrawing */
|
||
gtk_widget_set_redraw_on_allocate (widget, FALSE);
|
||
|
||
priv->multipress_gesture = gtk_gesture_multi_press_new (widget);
|
||
gtk_gesture_single_set_button (GTK_GESTURE_SINGLE (priv->multipress_gesture), 0);
|
||
g_signal_connect (priv->multipress_gesture, "pressed",
|
||
G_CALLBACK (gtk_text_view_multipress_gesture_pressed),
|
||
widget);
|
||
|
||
priv->drag_gesture = gtk_gesture_drag_new (widget);
|
||
g_signal_connect (priv->drag_gesture, "drag-update",
|
||
G_CALLBACK (gtk_text_view_drag_gesture_update),
|
||
widget);
|
||
g_signal_connect (priv->drag_gesture, "drag-end",
|
||
G_CALLBACK (gtk_text_view_drag_gesture_end),
|
||
widget);
|
||
|
||
priv->selection_node = gtk_css_node_new ();
|
||
gtk_css_node_set_name (priv->selection_node, I_("selection"));
|
||
gtk_css_node_set_parent (priv->selection_node, priv->text_window->css_node);
|
||
gtk_css_node_set_state (priv->selection_node, gtk_css_node_get_state (priv->text_window->css_node));
|
||
gtk_css_node_set_visible (priv->selection_node, FALSE);
|
||
g_object_unref (priv->selection_node);
|
||
}
|
||
|
||
GtkCssNode *
|
||
gtk_text_view_get_text_node (GtkTextView *text_view)
|
||
{
|
||
return text_view->priv->text_window->css_node;
|
||
}
|
||
|
||
GtkCssNode *
|
||
gtk_text_view_get_selection_node (GtkTextView *text_view)
|
||
{
|
||
return text_view->priv->selection_node;
|
||
}
|
||
|
||
static void
|
||
_gtk_text_view_ensure_text_handles (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->text_handle)
|
||
return;
|
||
|
||
priv->text_handle = _gtk_text_handle_new (GTK_WIDGET (text_view));
|
||
g_signal_connect (priv->text_handle, "drag-started",
|
||
G_CALLBACK (gtk_text_view_handle_drag_started), text_view);
|
||
g_signal_connect (priv->text_handle, "handle-dragged",
|
||
G_CALLBACK (gtk_text_view_handle_dragged), text_view);
|
||
g_signal_connect (priv->text_handle, "drag-finished",
|
||
G_CALLBACK (gtk_text_view_handle_drag_finished), text_view);
|
||
}
|
||
|
||
static void
|
||
_gtk_text_view_ensure_magnifier (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->magnifier_popover)
|
||
return;
|
||
|
||
priv->magnifier = _gtk_magnifier_new (GTK_WIDGET (text_view));
|
||
_gtk_magnifier_set_magnification (GTK_MAGNIFIER (priv->magnifier), 2.0);
|
||
priv->magnifier_popover = gtk_popover_new (GTK_WIDGET (text_view));
|
||
gtk_style_context_add_class (gtk_widget_get_style_context (priv->magnifier_popover),
|
||
"magnifier");
|
||
gtk_popover_set_modal (GTK_POPOVER (priv->magnifier_popover), FALSE);
|
||
gtk_container_add (GTK_CONTAINER (priv->magnifier_popover),
|
||
priv->magnifier);
|
||
gtk_container_set_border_width (GTK_CONTAINER (priv->magnifier_popover), 4);
|
||
gtk_widget_show (priv->magnifier);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_new:
|
||
*
|
||
* Creates a new #GtkTextView. If you don’t call gtk_text_view_set_buffer()
|
||
* before using the text view, an empty default buffer will be created
|
||
* for you. Get the buffer with gtk_text_view_get_buffer(). If you want
|
||
* to specify your own buffer, consider gtk_text_view_new_with_buffer().
|
||
*
|
||
* Returns: a new #GtkTextView
|
||
**/
|
||
GtkWidget*
|
||
gtk_text_view_new (void)
|
||
{
|
||
return g_object_new (GTK_TYPE_TEXT_VIEW, NULL);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_new_with_buffer:
|
||
* @buffer: a #GtkTextBuffer
|
||
*
|
||
* Creates a new #GtkTextView widget displaying the buffer
|
||
* @buffer. One buffer can be shared among many widgets.
|
||
* @buffer may be %NULL to create a default buffer, in which case
|
||
* this function is equivalent to gtk_text_view_new(). The
|
||
* text view adds its own reference count to the buffer; it does not
|
||
* take over an existing reference.
|
||
*
|
||
* Returns: a new #GtkTextView.
|
||
**/
|
||
GtkWidget*
|
||
gtk_text_view_new_with_buffer (GtkTextBuffer *buffer)
|
||
{
|
||
GtkTextView *text_view;
|
||
|
||
text_view = (GtkTextView*)gtk_text_view_new ();
|
||
|
||
gtk_text_view_set_buffer (text_view, buffer);
|
||
|
||
return GTK_WIDGET (text_view);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_buffer:
|
||
* @text_view: a #GtkTextView
|
||
* @buffer: (allow-none): a #GtkTextBuffer
|
||
*
|
||
* Sets @buffer as the buffer being displayed by @text_view. The previous
|
||
* buffer displayed by the text view is unreferenced, and a reference is
|
||
* added to @buffer. If you owned a reference to @buffer before passing it
|
||
* to this function, you must remove that reference yourself; #GtkTextView
|
||
* will not “adopt” it.
|
||
**/
|
||
void
|
||
gtk_text_view_set_buffer (GtkTextView *text_view,
|
||
GtkTextBuffer *buffer)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextBuffer *old_buffer;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (buffer == NULL || GTK_IS_TEXT_BUFFER (buffer));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->buffer == buffer)
|
||
return;
|
||
|
||
old_buffer = priv->buffer;
|
||
if (priv->buffer != NULL)
|
||
{
|
||
/* Destroy all anchored children */
|
||
GSList *tmp_list;
|
||
GSList *copy;
|
||
|
||
copy = g_slist_copy (priv->children);
|
||
tmp_list = copy;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *vc = tmp_list->data;
|
||
|
||
if (vc->anchor)
|
||
{
|
||
gtk_widget_destroy (vc->widget);
|
||
/* vc may now be invalid! */
|
||
}
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
g_slist_free (copy);
|
||
|
||
g_signal_handlers_disconnect_by_func (priv->buffer,
|
||
gtk_text_view_mark_set_handler,
|
||
text_view);
|
||
g_signal_handlers_disconnect_by_func (priv->buffer,
|
||
gtk_text_view_target_list_notify,
|
||
text_view);
|
||
g_signal_handlers_disconnect_by_func (priv->buffer,
|
||
gtk_text_view_paste_done_handler,
|
||
text_view);
|
||
g_signal_handlers_disconnect_by_func (priv->buffer,
|
||
gtk_text_view_buffer_changed_handler,
|
||
text_view);
|
||
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_PRIMARY);
|
||
gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
|
||
}
|
||
|
||
if (priv->layout)
|
||
gtk_text_layout_set_buffer (priv->layout, NULL);
|
||
|
||
priv->dnd_mark = NULL;
|
||
priv->first_para_mark = NULL;
|
||
cancel_pending_scroll (text_view);
|
||
}
|
||
|
||
priv->buffer = buffer;
|
||
|
||
if (priv->layout)
|
||
gtk_text_layout_set_buffer (priv->layout, buffer);
|
||
|
||
if (buffer != NULL)
|
||
{
|
||
GtkTextIter start;
|
||
|
||
g_object_ref (buffer);
|
||
|
||
gtk_text_buffer_get_iter_at_offset (priv->buffer, &start, 0);
|
||
|
||
priv->dnd_mark = gtk_text_buffer_create_mark (priv->buffer,
|
||
"gtk_drag_target",
|
||
&start, FALSE);
|
||
|
||
priv->first_para_mark = gtk_text_buffer_create_mark (priv->buffer,
|
||
NULL,
|
||
&start, TRUE);
|
||
|
||
priv->first_para_pixels = 0;
|
||
|
||
|
||
g_signal_connect (priv->buffer, "mark-set",
|
||
G_CALLBACK (gtk_text_view_mark_set_handler),
|
||
text_view);
|
||
g_signal_connect (priv->buffer, "notify::paste-target-list",
|
||
G_CALLBACK (gtk_text_view_target_list_notify),
|
||
text_view);
|
||
g_signal_connect (priv->buffer, "paste-done",
|
||
G_CALLBACK (gtk_text_view_paste_done_handler),
|
||
text_view);
|
||
g_signal_connect (priv->buffer, "changed",
|
||
G_CALLBACK (gtk_text_view_buffer_changed_handler),
|
||
text_view);
|
||
|
||
gtk_text_view_target_list_notify (priv->buffer, NULL, text_view);
|
||
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_PRIMARY);
|
||
gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
|
||
}
|
||
|
||
if (priv->text_handle)
|
||
gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_NONE);
|
||
}
|
||
|
||
_gtk_text_view_accessible_set_buffer (text_view, old_buffer);
|
||
if (old_buffer)
|
||
g_object_unref (old_buffer);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "buffer");
|
||
|
||
if (gtk_widget_get_visible (GTK_WIDGET (text_view)))
|
||
gtk_widget_queue_draw (GTK_WIDGET (text_view));
|
||
|
||
DV(g_print ("Invalidating due to set_buffer\n"));
|
||
gtk_text_view_invalidate (text_view);
|
||
}
|
||
|
||
static GtkTextBuffer*
|
||
gtk_text_view_create_buffer (GtkTextView *text_view)
|
||
{
|
||
return gtk_text_buffer_new (NULL);
|
||
}
|
||
|
||
static GtkTextBuffer*
|
||
get_buffer (GtkTextView *text_view)
|
||
{
|
||
if (text_view->priv->buffer == NULL)
|
||
{
|
||
GtkTextBuffer *b;
|
||
b = GTK_TEXT_VIEW_GET_CLASS (text_view)->create_buffer (text_view);
|
||
gtk_text_view_set_buffer (text_view, b);
|
||
g_object_unref (b);
|
||
}
|
||
|
||
return text_view->priv->buffer;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_buffer:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Returns the #GtkTextBuffer being displayed by this text view.
|
||
* The reference count on the buffer is not incremented; the caller
|
||
* of this function won’t own a new reference.
|
||
*
|
||
* Returns: (transfer none): a #GtkTextBuffer
|
||
**/
|
||
GtkTextBuffer*
|
||
gtk_text_view_get_buffer (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
return get_buffer (text_view);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_cursor_locations:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: (allow-none): a #GtkTextIter
|
||
* @strong: (out) (allow-none): location to store the strong
|
||
* cursor position (may be %NULL)
|
||
* @weak: (out) (allow-none): location to store the weak
|
||
* cursor position (may be %NULL)
|
||
*
|
||
* Given an @iter within a text layout, determine the positions of the
|
||
* strong and weak cursors if the insertion point is at that
|
||
* iterator. The position of each cursor is stored as a zero-width
|
||
* rectangle. The strong cursor location is the location where
|
||
* characters of the directionality equal to the base direction of the
|
||
* paragraph are inserted. The weak cursor location is the location
|
||
* where characters of the directionality opposite to the base
|
||
* direction of the paragraph are inserted.
|
||
*
|
||
* If @iter is %NULL, the actual cursor position is used.
|
||
*
|
||
* Note that if @iter happens to be the actual cursor position, and
|
||
* there is currently an IM preedit sequence being entered, the
|
||
* returned locations will be adjusted to account for the preedit
|
||
* cursor’s offset within the preedit sequence.
|
||
*
|
||
* The rectangle position is in buffer coordinates; use
|
||
* gtk_text_view_buffer_to_window_coords() to convert these
|
||
* coordinates to coordinates for one of the windows in the text view.
|
||
*
|
||
* Since: 3.0
|
||
**/
|
||
void
|
||
gtk_text_view_get_cursor_locations (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
GdkRectangle *strong,
|
||
GdkRectangle *weak)
|
||
{
|
||
GtkTextIter insert;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (iter == NULL ||
|
||
gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
if (iter)
|
||
insert = *iter;
|
||
else
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
gtk_text_layout_get_cursor_locations (text_view->priv->layout, &insert,
|
||
strong, weak);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_iter_at_location:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: (out): a #GtkTextIter
|
||
* @x: x position, in buffer coordinates
|
||
* @y: y position, in buffer coordinates
|
||
*
|
||
* Retrieves the iterator at buffer coordinates @x and @y. Buffer
|
||
* coordinates are coordinates for the entire buffer, not just the
|
||
* currently-displayed portion. If you have coordinates from an
|
||
* event, you have to convert those to buffer coordinates with
|
||
* gtk_text_view_window_to_buffer_coords().
|
||
*
|
||
* Returns: %TRUE if the position is over text
|
||
*/
|
||
gboolean
|
||
gtk_text_view_get_iter_at_location (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_get_iter_at_pixel (text_view->priv->layout, iter, x, y);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_iter_at_position:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: (out): a #GtkTextIter
|
||
* @trailing: (out) (allow-none): if non-%NULL, location to store an integer indicating where
|
||
* in the grapheme the user clicked. It will either be
|
||
* zero, or the number of characters in the grapheme.
|
||
* 0 represents the trailing edge of the grapheme.
|
||
* @x: x position, in buffer coordinates
|
||
* @y: y position, in buffer coordinates
|
||
*
|
||
* Retrieves the iterator pointing to the character at buffer
|
||
* coordinates @x and @y. Buffer coordinates are coordinates for
|
||
* the entire buffer, not just the currently-displayed portion.
|
||
* If you have coordinates from an event, you have to convert
|
||
* those to buffer coordinates with
|
||
* gtk_text_view_window_to_buffer_coords().
|
||
*
|
||
* Note that this is different from gtk_text_view_get_iter_at_location(),
|
||
* which returns cursor locations, i.e. positions between
|
||
* characters.
|
||
*
|
||
* Returns: %TRUE if the position is over text
|
||
*
|
||
* Since: 2.6
|
||
**/
|
||
gboolean
|
||
gtk_text_view_get_iter_at_position (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gint *trailing,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_get_iter_at_position (text_view->priv->layout, iter, trailing, x, y);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_iter_location:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
* @location: (out): bounds of the character at @iter
|
||
*
|
||
* Gets a rectangle which roughly contains the character at @iter.
|
||
* The rectangle position is in buffer coordinates; use
|
||
* gtk_text_view_buffer_to_window_coords() to convert these
|
||
* coordinates to coordinates for one of the windows in the text view.
|
||
**/
|
||
void
|
||
gtk_text_view_get_iter_location (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
GdkRectangle *location)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
gtk_text_layout_get_iter_location (text_view->priv->layout, iter, location);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_line_yrange:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
* @y: (out): return location for a y coordinate
|
||
* @height: (out): return location for a height
|
||
*
|
||
* Gets the y coordinate of the top of the line containing @iter,
|
||
* and the height of the line. The coordinate is a buffer coordinate;
|
||
* convert to window coordinates with gtk_text_view_buffer_to_window_coords().
|
||
**/
|
||
void
|
||
gtk_text_view_get_line_yrange (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
gint *y,
|
||
gint *height)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (gtk_text_iter_get_buffer (iter) == get_buffer (text_view));
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
gtk_text_layout_get_line_yrange (text_view->priv->layout,
|
||
iter,
|
||
y,
|
||
height);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_line_at_y:
|
||
* @text_view: a #GtkTextView
|
||
* @target_iter: (out): a #GtkTextIter
|
||
* @y: a y coordinate
|
||
* @line_top: (out): return location for top coordinate of the line
|
||
*
|
||
* Gets the #GtkTextIter at the start of the line containing
|
||
* the coordinate @y. @y is in buffer coordinates, convert from
|
||
* window coordinates with gtk_text_view_window_to_buffer_coords().
|
||
* If non-%NULL, @line_top will be filled with the coordinate of the top
|
||
* edge of the line.
|
||
**/
|
||
void
|
||
gtk_text_view_get_line_at_y (GtkTextView *text_view,
|
||
GtkTextIter *target_iter,
|
||
gint y,
|
||
gint *line_top)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
gtk_text_layout_get_line_at_y (text_view->priv->layout,
|
||
target_iter,
|
||
y,
|
||
line_top);
|
||
}
|
||
|
||
/* Same as gtk_text_view_scroll_to_iter but deal with
|
||
* (top_margin / top_padding) and (bottom_margin / bottom_padding).
|
||
* When with_border == TRUE and you scroll on the edges,
|
||
* all borders are shown for the corresponding edge.
|
||
* When with_border == FALSE, only left margin and right_margin
|
||
* can be seen because they can be can be overwritten by tags.
|
||
*/
|
||
static gboolean
|
||
_gtk_text_view_scroll_to_iter (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gdouble within_margin,
|
||
gboolean use_align,
|
||
gdouble xalign,
|
||
gdouble yalign,
|
||
gboolean with_border)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
GtkWidget *widget;
|
||
|
||
GdkRectangle cursor;
|
||
gint cursor_bottom;
|
||
gint cursor_right;
|
||
|
||
GdkRectangle screen;
|
||
GdkRectangle screen_dest;
|
||
|
||
gint screen_inner_left;
|
||
gint screen_inner_right;
|
||
gint screen_inner_top;
|
||
gint screen_inner_bottom;
|
||
|
||
gint border_xoffset = 0;
|
||
gint border_yoffset = 0;
|
||
gint within_margin_xoffset;
|
||
gint within_margin_yoffset;
|
||
|
||
gint buffer_bottom;
|
||
gint buffer_right;
|
||
|
||
gboolean retval = FALSE;
|
||
|
||
/* FIXME why don't we do the validate-at-scroll-destination thing
|
||
* from flush_scroll in this function? I think it wasn't done before
|
||
* because changed_handler was screwed up, but I could be wrong.
|
||
*/
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
g_return_val_if_fail (within_margin >= 0.0 && within_margin < 0.5, FALSE);
|
||
g_return_val_if_fail (xalign >= 0.0 && xalign <= 1.0, FALSE);
|
||
g_return_val_if_fail (yalign >= 0.0 && yalign <= 1.0, FALSE);
|
||
|
||
widget = GTK_WIDGET (text_view);
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
gtk_text_layout_get_iter_location (priv->layout,
|
||
iter,
|
||
&cursor);
|
||
|
||
DV (g_print (" target cursor %d,%d %d x %d\n", cursor.x, cursor.y, cursor.width, cursor.height));
|
||
|
||
/* In each direction, *_border are the addition of *_padding and *_margin
|
||
*
|
||
* Vadjustment value:
|
||
* (-priv->top_border) [top padding][top margin] (0) [text][bottom margin][bottom padding]
|
||
*
|
||
* Hadjustment value:
|
||
* (-priv->left_padding) [left padding] (0) [left margin][text][right margin][right padding]
|
||
*
|
||
* Buffer coordinates:
|
||
* on x: (0) [left margin][text][right margin]
|
||
* on y: (0) [text]
|
||
*
|
||
* left margin and right margin are part of the x buffer coordinate
|
||
* because they are part of the pango layout so that they can be
|
||
* overwritten by tags.
|
||
*
|
||
* Canvas coordinates:
|
||
* (the canvas is the virtual window where the content of the buffer is drawn )
|
||
*
|
||
* on x: (-priv->left_padding) [left padding] (0) [left margin][text][right margin][right padding]
|
||
* on y: (-priv->top_border) [top margin][top padding] (0) [text][bottom margin][bottom padding]
|
||
*
|
||
* (priv->xoffset, priv->yoffset) is the origin of the view (visible part of the canvas)
|
||
* in canvas coordinates.
|
||
* As you can see, canvas coordinates and buffer coordinates are compatible but the canvas
|
||
* can be larger than the buffer depending of the border size.
|
||
*/
|
||
|
||
cursor_bottom = cursor.y + cursor.height;
|
||
cursor_right = cursor.x + cursor.width;
|
||
|
||
/* Current position of the view in canvas coordinates */
|
||
screen.x = priv->xoffset;
|
||
screen.y = priv->yoffset;
|
||
screen.width = SCREEN_WIDTH (widget);
|
||
screen.height = SCREEN_HEIGHT (widget);
|
||
|
||
within_margin_xoffset = screen.width * within_margin;
|
||
within_margin_yoffset = screen.height * within_margin;
|
||
|
||
screen_inner_left = screen.x + within_margin_xoffset;
|
||
screen_inner_top = screen.y + within_margin_yoffset;
|
||
screen_inner_right = screen.x + screen.width - within_margin_xoffset;
|
||
screen_inner_bottom = screen.y + screen.height - within_margin_yoffset;
|
||
|
||
buffer_bottom = priv->height - priv->bottom_border;
|
||
buffer_right = priv->width - priv->right_margin - priv->left_padding - 1;
|
||
|
||
screen_dest.x = screen.x;
|
||
screen_dest.y = screen.y;
|
||
screen_dest.width = screen.width - within_margin_xoffset * 2;
|
||
screen_dest.height = screen.height - within_margin_yoffset * 2;
|
||
|
||
/* Minimum authorised size check */
|
||
if (screen_dest.width < 1)
|
||
screen_dest.width = 1;
|
||
if (screen_dest.height < 1)
|
||
screen_dest.height = 1;
|
||
|
||
/* The alignment affects the point in the target character that we
|
||
* choose to align. If we're doing right/bottom alignment, we align
|
||
* the right/bottom edge of the character the mark is at; if we're
|
||
* doing left/top we align the left/top edge of the character; if
|
||
* we're doing center alignment we align the center of the
|
||
* character.
|
||
*
|
||
* The differents cases handle on each direction:
|
||
* 1. cursor outside of the inner area define by within_margin
|
||
* 2. if use_align == TRUE, alignment with xalign and yalign
|
||
* 3. scrolling on the edges dependent of with_border
|
||
*/
|
||
|
||
/* Vertical scroll */
|
||
if (use_align)
|
||
{
|
||
gint cursor_y_alignment_offset;
|
||
|
||
cursor_y_alignment_offset = (cursor.height * yalign) - (screen_dest.height * yalign);
|
||
screen_dest.y = cursor.y + cursor_y_alignment_offset - within_margin_yoffset;
|
||
}
|
||
else
|
||
{
|
||
/* move minimum to get onscreen, showing the
|
||
* top_border or bottom_border when necessary
|
||
*/
|
||
if (cursor.y < screen_inner_top)
|
||
{
|
||
if (cursor.y == 0)
|
||
border_yoffset = (with_border) ? priv->top_padding : 0;
|
||
|
||
screen_dest.y = cursor.y - MAX (within_margin_yoffset, border_yoffset);
|
||
}
|
||
else if (cursor_bottom > screen_inner_bottom)
|
||
{
|
||
if (cursor_bottom == buffer_bottom - priv->top_border)
|
||
border_yoffset = (with_border) ? priv->bottom_padding : 0;
|
||
|
||
screen_dest.y = cursor_bottom - screen_dest.height +
|
||
MAX (within_margin_yoffset, border_yoffset);
|
||
}
|
||
}
|
||
|
||
if (screen_dest.y != screen.y)
|
||
{
|
||
gtk_adjustment_animate_to_value (priv->vadjustment, screen_dest.y + priv->top_border);
|
||
|
||
DV (g_print (" vert increment %d\n", screen_dest.y - screen.y));
|
||
}
|
||
|
||
/* Horizontal scroll */
|
||
|
||
if (use_align)
|
||
{
|
||
gint cursor_x_alignment_offset;
|
||
|
||
cursor_x_alignment_offset = (cursor.width * xalign) - (screen_dest.width * xalign);
|
||
screen_dest.x = cursor.x + cursor_x_alignment_offset - within_margin_xoffset;
|
||
}
|
||
else
|
||
{
|
||
/* move minimum to get onscreen, showing the
|
||
* left_border or right_border when necessary
|
||
*/
|
||
if (cursor.x < screen_inner_left)
|
||
{
|
||
if (cursor.x == priv->left_margin)
|
||
border_xoffset = (with_border) ? priv->left_padding : 0;
|
||
|
||
screen_dest.x = cursor.x - MAX (within_margin_xoffset, border_xoffset);
|
||
}
|
||
else if (cursor_right >= screen_inner_right - 1)
|
||
{
|
||
if (cursor.x >= buffer_right - priv->right_padding)
|
||
border_xoffset = (with_border) ? priv->right_padding : 0;
|
||
|
||
screen_dest.x = cursor_right - screen_dest.width +
|
||
MAX (within_margin_xoffset, border_xoffset) + 1;
|
||
}
|
||
}
|
||
|
||
if (screen_dest.x != screen.x)
|
||
{
|
||
gtk_adjustment_animate_to_value (priv->hadjustment, screen_dest.x + priv->left_padding);
|
||
|
||
DV (g_print (" horiz increment %d\n", screen_dest.x - screen.x));
|
||
}
|
||
|
||
retval = (screen.y != screen_dest.y) || (screen.x != screen_dest.x);
|
||
|
||
DV(g_print (">%s ("G_STRLOC")\n", retval ? "Actually scrolled" : "Didn't end up scrolling"));
|
||
|
||
return retval;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_scroll_to_iter:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
* @within_margin: margin as a [0.0,0.5) fraction of screen size
|
||
* @use_align: whether to use alignment arguments (if %FALSE,
|
||
* just get the mark onscreen)
|
||
* @xalign: horizontal alignment of mark within visible area
|
||
* @yalign: vertical alignment of mark within visible area
|
||
*
|
||
* Scrolls @text_view so that @iter is on the screen in the position
|
||
* indicated by @xalign and @yalign. An alignment of 0.0 indicates
|
||
* left or top, 1.0 indicates right or bottom, 0.5 means center.
|
||
* If @use_align is %FALSE, the text scrolls the minimal distance to
|
||
* get the mark onscreen, possibly not scrolling at all. The effective
|
||
* screen for purposes of this function is reduced by a margin of size
|
||
* @within_margin.
|
||
*
|
||
* Note that this function uses the currently-computed height of the
|
||
* lines in the text buffer. Line heights are computed in an idle
|
||
* handler; so this function may not have the desired effect if it’s
|
||
* called before the height computations. To avoid oddness, consider
|
||
* using gtk_text_view_scroll_to_mark() which saves a point to be
|
||
* scrolled to after line validation.
|
||
*
|
||
* Returns: %TRUE if scrolling occurred
|
||
**/
|
||
gboolean
|
||
gtk_text_view_scroll_to_iter (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gdouble within_margin,
|
||
gboolean use_align,
|
||
gdouble xalign,
|
||
gdouble yalign)
|
||
{
|
||
return _gtk_text_view_scroll_to_iter (text_view,
|
||
iter,
|
||
within_margin,
|
||
use_align,
|
||
xalign,
|
||
yalign,
|
||
FALSE);
|
||
}
|
||
|
||
static void
|
||
free_pending_scroll (GtkTextPendingScroll *scroll)
|
||
{
|
||
if (!gtk_text_mark_get_deleted (scroll->mark))
|
||
gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (scroll->mark),
|
||
scroll->mark);
|
||
g_object_unref (scroll->mark);
|
||
g_slice_free (GtkTextPendingScroll, scroll);
|
||
}
|
||
|
||
static void
|
||
cancel_pending_scroll (GtkTextView *text_view)
|
||
{
|
||
if (text_view->priv->pending_scroll)
|
||
{
|
||
free_pending_scroll (text_view->priv->pending_scroll);
|
||
text_view->priv->pending_scroll = NULL;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_queue_scroll (GtkTextView *text_view,
|
||
GtkTextMark *mark,
|
||
gdouble within_margin,
|
||
gboolean use_align,
|
||
gdouble xalign,
|
||
gdouble yalign)
|
||
{
|
||
GtkTextIter iter;
|
||
GtkTextPendingScroll *scroll;
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
scroll = g_slice_new (GtkTextPendingScroll);
|
||
|
||
scroll->within_margin = within_margin;
|
||
scroll->use_align = use_align;
|
||
scroll->xalign = xalign;
|
||
scroll->yalign = yalign;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
|
||
|
||
scroll->mark = gtk_text_buffer_create_mark (get_buffer (text_view),
|
||
NULL,
|
||
&iter,
|
||
gtk_text_mark_get_left_gravity (mark));
|
||
|
||
g_object_ref (scroll->mark);
|
||
|
||
cancel_pending_scroll (text_view);
|
||
|
||
text_view->priv->pending_scroll = scroll;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_flush_scroll (GtkTextView *text_view)
|
||
{
|
||
GtkAllocation allocation;
|
||
GtkTextIter iter;
|
||
GtkTextPendingScroll *scroll;
|
||
gboolean retval;
|
||
GtkWidget *widget;
|
||
|
||
widget = GTK_WIDGET (text_view);
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
if (text_view->priv->pending_scroll == NULL)
|
||
{
|
||
DV (g_print ("in flush scroll, no pending scroll\n"));
|
||
return FALSE;
|
||
}
|
||
|
||
scroll = text_view->priv->pending_scroll;
|
||
|
||
/* avoid recursion */
|
||
text_view->priv->pending_scroll = NULL;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, scroll->mark);
|
||
|
||
/* Validate area around the scroll destination, so the adjustment
|
||
* can meaningfully point into that area. We must validate
|
||
* enough area to be sure that after we scroll, everything onscreen
|
||
* is valid; otherwise, validation will maintain the first para
|
||
* in one place, but may push the target iter off the bottom of
|
||
* the screen.
|
||
*/
|
||
DV(g_print (">Validating scroll destination ("G_STRLOC")\n"));
|
||
gtk_widget_get_allocation (widget, &allocation);
|
||
gtk_text_layout_validate_yrange (text_view->priv->layout, &iter,
|
||
-(allocation.height * 2),
|
||
allocation.height * 2);
|
||
|
||
DV(g_print (">Done validating scroll destination ("G_STRLOC")\n"));
|
||
|
||
/* Ensure we have updated width/height */
|
||
gtk_text_view_update_adjustments (text_view);
|
||
|
||
retval = _gtk_text_view_scroll_to_iter (text_view,
|
||
&iter,
|
||
scroll->within_margin,
|
||
scroll->use_align,
|
||
scroll->xalign,
|
||
scroll->yalign,
|
||
TRUE);
|
||
|
||
if (text_view->priv->text_handle)
|
||
gtk_text_view_update_handles (text_view,
|
||
_gtk_text_handle_get_mode (text_view->priv->text_handle));
|
||
|
||
free_pending_scroll (scroll);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_update_adjustments (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
gint width = 0, height = 0;
|
||
|
||
DV(g_print(">Updating adjustments ("G_STRLOC")\n"));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout)
|
||
gtk_text_layout_get_size (priv->layout, &width, &height);
|
||
|
||
/* Make room for the cursor after the last character in the widest line */
|
||
width += SPACE_FOR_CURSOR;
|
||
height += priv->top_border + priv->bottom_border;
|
||
|
||
if (priv->width != width || priv->height != height)
|
||
{
|
||
if (priv->width != width)
|
||
priv->width_changed = TRUE;
|
||
|
||
priv->width = width;
|
||
priv->height = height;
|
||
|
||
gtk_text_view_set_hadjustment_values (text_view);
|
||
gtk_text_view_set_vadjustment_values (text_view);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_update_layout_width (GtkTextView *text_view)
|
||
{
|
||
DV(g_print(">Updating layout width ("G_STRLOC")\n"));
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
gtk_text_layout_set_screen_width (text_view->priv->layout,
|
||
MAX (1, SCREEN_WIDTH (text_view) - SPACE_FOR_CURSOR));
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_update_im_spot_location (GtkTextView *text_view)
|
||
{
|
||
GdkRectangle area;
|
||
|
||
if (text_view->priv->layout == NULL)
|
||
return;
|
||
|
||
gtk_text_view_get_cursor_locations (text_view, NULL, &area, NULL);
|
||
|
||
area.x -= text_view->priv->xoffset;
|
||
area.y -= text_view->priv->yoffset;
|
||
|
||
/* Width returned by Pango indicates direction of cursor,
|
||
* by its sign more than the size of cursor.
|
||
*/
|
||
area.width = 0;
|
||
|
||
gtk_im_context_set_cursor_location (text_view->priv->im_context, &area);
|
||
}
|
||
|
||
static gboolean
|
||
do_update_im_spot_location (gpointer text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = GTK_TEXT_VIEW (text_view)->priv;
|
||
priv->im_spot_idle = 0;
|
||
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
queue_update_im_spot_location (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
/* Use priority a little higher than GTK_TEXT_VIEW_PRIORITY_VALIDATE,
|
||
* so we don't wait until the entire buffer has been validated. */
|
||
if (!priv->im_spot_idle)
|
||
{
|
||
priv->im_spot_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE - 1,
|
||
do_update_im_spot_location,
|
||
text_view,
|
||
NULL);
|
||
g_source_set_name_by_id (priv->im_spot_idle, "[gtk+] do_update_im_spot_location");
|
||
}
|
||
}
|
||
|
||
static void
|
||
flush_update_im_spot_location (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->im_spot_idle)
|
||
{
|
||
g_source_remove (priv->im_spot_idle);
|
||
priv->im_spot_idle = 0;
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_scroll_to_mark:
|
||
* @text_view: a #GtkTextView
|
||
* @mark: a #GtkTextMark
|
||
* @within_margin: margin as a [0.0,0.5) fraction of screen size
|
||
* @use_align: whether to use alignment arguments (if %FALSE, just
|
||
* get the mark onscreen)
|
||
* @xalign: horizontal alignment of mark within visible area
|
||
* @yalign: vertical alignment of mark within visible area
|
||
*
|
||
* Scrolls @text_view so that @mark is on the screen in the position
|
||
* indicated by @xalign and @yalign. An alignment of 0.0 indicates
|
||
* left or top, 1.0 indicates right or bottom, 0.5 means center.
|
||
* If @use_align is %FALSE, the text scrolls the minimal distance to
|
||
* get the mark onscreen, possibly not scrolling at all. The effective
|
||
* screen for purposes of this function is reduced by a margin of size
|
||
* @within_margin.
|
||
**/
|
||
void
|
||
gtk_text_view_scroll_to_mark (GtkTextView *text_view,
|
||
GtkTextMark *mark,
|
||
gdouble within_margin,
|
||
gboolean use_align,
|
||
gdouble xalign,
|
||
gdouble yalign)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (GTK_IS_TEXT_MARK (mark));
|
||
g_return_if_fail (within_margin >= 0.0 && within_margin < 0.5);
|
||
g_return_if_fail (xalign >= 0.0 && xalign <= 1.0);
|
||
g_return_if_fail (yalign >= 0.0 && yalign <= 1.0);
|
||
|
||
/* We need to verify that the buffer contains the mark, otherwise this
|
||
* can lead to data structure corruption later on.
|
||
*/
|
||
g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
|
||
|
||
gtk_text_view_queue_scroll (text_view, mark,
|
||
within_margin,
|
||
use_align,
|
||
xalign,
|
||
yalign);
|
||
|
||
/* If no validation is pending, we need to go ahead and force an
|
||
* immediate scroll.
|
||
*/
|
||
if (text_view->priv->layout &&
|
||
gtk_text_layout_is_valid (text_view->priv->layout))
|
||
gtk_text_view_flush_scroll (text_view);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_scroll_mark_onscreen:
|
||
* @text_view: a #GtkTextView
|
||
* @mark: a mark in the buffer for @text_view
|
||
*
|
||
* Scrolls @text_view the minimum distance such that @mark is contained
|
||
* within the visible area of the widget.
|
||
**/
|
||
void
|
||
gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
|
||
GtkTextMark *mark)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (GTK_IS_TEXT_MARK (mark));
|
||
|
||
/* We need to verify that the buffer contains the mark, otherwise this
|
||
* can lead to data structure corruption later on.
|
||
*/
|
||
g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
|
||
|
||
gtk_text_view_scroll_to_mark (text_view, mark, 0.0, FALSE, 0.0, 0.0);
|
||
}
|
||
|
||
static gboolean
|
||
clamp_iter_onscreen (GtkTextView *text_view, GtkTextIter *iter)
|
||
{
|
||
GdkRectangle visible_rect;
|
||
gtk_text_view_get_visible_rect (text_view, &visible_rect);
|
||
|
||
return gtk_text_layout_clamp_iter_to_vrange (text_view->priv->layout, iter,
|
||
visible_rect.y,
|
||
visible_rect.y + visible_rect.height);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_move_mark_onscreen:
|
||
* @text_view: a #GtkTextView
|
||
* @mark: a #GtkTextMark
|
||
*
|
||
* Moves a mark within the buffer so that it's
|
||
* located within the currently-visible text area.
|
||
*
|
||
* Returns: %TRUE if the mark moved (wasn’t already onscreen)
|
||
**/
|
||
gboolean
|
||
gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
|
||
GtkTextMark *mark)
|
||
{
|
||
GtkTextIter iter;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (mark != NULL, FALSE);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, mark);
|
||
|
||
if (clamp_iter_onscreen (text_view, &iter))
|
||
{
|
||
gtk_text_buffer_move_mark (get_buffer (text_view), mark, &iter);
|
||
return TRUE;
|
||
}
|
||
else
|
||
return FALSE;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_visible_rect:
|
||
* @text_view: a #GtkTextView
|
||
* @visible_rect: (out): rectangle to fill
|
||
*
|
||
* Fills @visible_rect with the currently-visible
|
||
* region of the buffer, in buffer coordinates. Convert to window coordinates
|
||
* with gtk_text_view_buffer_to_window_coords().
|
||
**/
|
||
void
|
||
gtk_text_view_get_visible_rect (GtkTextView *text_view,
|
||
GdkRectangle *visible_rect)
|
||
{
|
||
GtkWidget *widget;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
widget = GTK_WIDGET (text_view);
|
||
|
||
if (visible_rect)
|
||
{
|
||
visible_rect->x = text_view->priv->xoffset;
|
||
visible_rect->y = text_view->priv->yoffset;
|
||
visible_rect->width = SCREEN_WIDTH (widget);
|
||
visible_rect->height = SCREEN_HEIGHT (widget);
|
||
|
||
DV(g_print(" visible rect: %d,%d %d x %d\n",
|
||
visible_rect->x,
|
||
visible_rect->y,
|
||
visible_rect->width,
|
||
visible_rect->height));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_wrap_mode:
|
||
* @text_view: a #GtkTextView
|
||
* @wrap_mode: a #GtkWrapMode
|
||
*
|
||
* Sets the line wrapping for the view.
|
||
**/
|
||
void
|
||
gtk_text_view_set_wrap_mode (GtkTextView *text_view,
|
||
GtkWrapMode wrap_mode)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->wrap_mode != wrap_mode)
|
||
{
|
||
priv->wrap_mode = wrap_mode;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->wrap_mode = wrap_mode;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
g_object_notify (G_OBJECT (text_view), "wrap-mode");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_wrap_mode:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the line wrapping for the view.
|
||
*
|
||
* Returns: the line wrap setting
|
||
**/
|
||
GtkWrapMode
|
||
gtk_text_view_get_wrap_mode (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_WRAP_NONE);
|
||
|
||
return text_view->priv->wrap_mode;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_editable:
|
||
* @text_view: a #GtkTextView
|
||
* @setting: whether it’s editable
|
||
*
|
||
* Sets the default editability of the #GtkTextView. You can override
|
||
* this default setting with tags in the buffer, using the “editable”
|
||
* attribute of tags.
|
||
**/
|
||
void
|
||
gtk_text_view_set_editable (GtkTextView *text_view,
|
||
gboolean setting)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
setting = setting != FALSE;
|
||
|
||
if (priv->editable != setting)
|
||
{
|
||
if (!setting)
|
||
{
|
||
gtk_text_view_reset_im_context(text_view);
|
||
if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
gtk_im_context_focus_out (priv->im_context);
|
||
}
|
||
|
||
priv->editable = setting;
|
||
|
||
if (setting && gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
gtk_im_context_focus_in (priv->im_context);
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
gtk_text_layout_set_overwrite_mode (priv->layout,
|
||
priv->overwrite_mode && priv->editable);
|
||
priv->layout->default_style->editable = priv->editable;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "editable");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_editable:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Returns the default editability of the #GtkTextView. Tags in the
|
||
* buffer may override this setting for some ranges of text.
|
||
*
|
||
* Returns: whether text is editable by default
|
||
**/
|
||
gboolean
|
||
gtk_text_view_get_editable (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
return text_view->priv->editable;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_pixels_above_lines:
|
||
* @text_view: a #GtkTextView
|
||
* @pixels_above_lines: pixels above paragraphs
|
||
*
|
||
* Sets the default number of blank pixels above paragraphs in @text_view.
|
||
* Tags in the buffer for @text_view may override the defaults.
|
||
**/
|
||
void
|
||
gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
|
||
gint pixels_above_lines)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->pixels_above_lines != pixels_above_lines)
|
||
{
|
||
priv->pixels_above_lines = pixels_above_lines;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->pixels_above_lines = pixels_above_lines;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "pixels-above-lines");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_pixels_above_lines:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default number of pixels to put above paragraphs.
|
||
*
|
||
* Returns: default number of pixels above paragraphs
|
||
**/
|
||
gint
|
||
gtk_text_view_get_pixels_above_lines (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->pixels_above_lines;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_pixels_below_lines:
|
||
* @text_view: a #GtkTextView
|
||
* @pixels_below_lines: pixels below paragraphs
|
||
*
|
||
* Sets the default number of pixels of blank space
|
||
* to put below paragraphs in @text_view. May be overridden
|
||
* by tags applied to @text_view’s buffer.
|
||
**/
|
||
void
|
||
gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
|
||
gint pixels_below_lines)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->pixels_below_lines != pixels_below_lines)
|
||
{
|
||
priv->pixels_below_lines = pixels_below_lines;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->pixels_below_lines = pixels_below_lines;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "pixels-below-lines");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_pixels_below_lines:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the value set by gtk_text_view_set_pixels_below_lines().
|
||
*
|
||
* Returns: default number of blank pixels below paragraphs
|
||
**/
|
||
gint
|
||
gtk_text_view_get_pixels_below_lines (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->pixels_below_lines;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_pixels_inside_wrap:
|
||
* @text_view: a #GtkTextView
|
||
* @pixels_inside_wrap: default number of pixels between wrapped lines
|
||
*
|
||
* Sets the default number of pixels of blank space to leave between
|
||
* display/wrapped lines within a paragraph. May be overridden by
|
||
* tags in @text_view’s buffer.
|
||
**/
|
||
void
|
||
gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
|
||
gint pixels_inside_wrap)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->pixels_inside_wrap != pixels_inside_wrap)
|
||
{
|
||
priv->pixels_inside_wrap = pixels_inside_wrap;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->pixels_inside_wrap = pixels_inside_wrap;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "pixels-inside-wrap");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_pixels_inside_wrap:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the value set by gtk_text_view_set_pixels_inside_wrap().
|
||
*
|
||
* Returns: default number of pixels of blank space between wrapped lines
|
||
**/
|
||
gint
|
||
gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->pixels_inside_wrap;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_justification:
|
||
* @text_view: a #GtkTextView
|
||
* @justification: justification
|
||
*
|
||
* Sets the default justification of text in @text_view.
|
||
* Tags in the view’s buffer may override the default.
|
||
*
|
||
**/
|
||
void
|
||
gtk_text_view_set_justification (GtkTextView *text_view,
|
||
GtkJustification justification)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->justify != justification)
|
||
{
|
||
priv->justify = justification;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->justification = justification;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "justification");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_justification:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default justification of paragraphs in @text_view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Returns: default justification
|
||
**/
|
||
GtkJustification
|
||
gtk_text_view_get_justification (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_JUSTIFY_LEFT);
|
||
|
||
return text_view->priv->justify;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_left_margin:
|
||
* @text_view: a #GtkTextView
|
||
* @left_margin: left margin in pixels
|
||
*
|
||
* Sets the default left margin for text in @text_view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Note that this function is confusingly named.
|
||
* In CSS terms, the value set here is padding.
|
||
*/
|
||
void
|
||
gtk_text_view_set_left_margin (GtkTextView *text_view,
|
||
gint left_margin)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (priv->left_margin != left_margin)
|
||
{
|
||
priv->left_margin = left_margin;
|
||
priv->left_border = left_margin + priv->left_padding;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->left_margin = left_margin;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "left-margin");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_left_margin:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default left margin size of paragraphs in the @text_view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Returns: left margin in pixels
|
||
*/
|
||
gint
|
||
gtk_text_view_get_left_margin (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->left_margin;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_right_margin:
|
||
* @text_view: a #GtkTextView
|
||
* @right_margin: right margin in pixels
|
||
*
|
||
* Sets the default right margin for text in the text view.
|
||
* Tags in the buffer may override the default.
|
||
*
|
||
* Note that this function is confusingly named.
|
||
* In CSS terms, the value set here is padding.
|
||
*/
|
||
void
|
||
gtk_text_view_set_right_margin (GtkTextView *text_view,
|
||
gint right_margin)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (priv->right_margin != right_margin)
|
||
{
|
||
priv->right_margin = right_margin;
|
||
priv->right_border = right_margin + priv->right_padding;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->right_margin = right_margin;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "right-margin");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_right_margin:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default right margin for text in @text_view. Tags
|
||
* in the buffer may override the default.
|
||
*
|
||
* Returns: right margin in pixels
|
||
*/
|
||
gint
|
||
gtk_text_view_get_right_margin (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->right_margin;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_top_margin:
|
||
* @text_view: a #GtkTextView
|
||
* @top_margin: top margin in pixels
|
||
*
|
||
* Sets the top margin for text in @text_view.
|
||
*
|
||
* Note that this function is confusingly named.
|
||
* In CSS terms, the value set here is padding.
|
||
*
|
||
* Since: 3.18
|
||
*/
|
||
void
|
||
gtk_text_view_set_top_margin (GtkTextView *text_view,
|
||
gint top_margin)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (priv->top_margin != top_margin)
|
||
{
|
||
priv->yoffset += priv->top_margin - top_margin;
|
||
|
||
priv->top_margin = top_margin;
|
||
priv->top_border = top_margin + priv->top_padding;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
|
||
gtk_text_view_invalidate (text_view);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "top-margin");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_top_margin:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the top margin for text in the @text_view.
|
||
*
|
||
* Returns: top margin in pixels
|
||
*
|
||
* Since: 3.18
|
||
**/
|
||
gint
|
||
gtk_text_view_get_top_margin (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->top_margin;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_bottom_margin:
|
||
* @text_view: a #GtkTextView
|
||
* @bottom_margin: bottom margin in pixels
|
||
*
|
||
* Sets the bottom margin for text in @text_view.
|
||
*
|
||
* Note that this function is confusingly named.
|
||
* In CSS terms, the value set here is padding.
|
||
*
|
||
* Since: 3.18
|
||
*/
|
||
void
|
||
gtk_text_view_set_bottom_margin (GtkTextView *text_view,
|
||
gint bottom_margin)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (priv->bottom_margin != bottom_margin)
|
||
{
|
||
priv->bottom_margin = bottom_margin;
|
||
priv->bottom_border = bottom_margin + priv->bottom_padding;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "bottom-margin");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_bottom_margin:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the bottom margin for text in the @text_view.
|
||
*
|
||
* Returns: bottom margin in pixels
|
||
*
|
||
* Since: 3.18
|
||
*/
|
||
gint
|
||
gtk_text_view_get_bottom_margin (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->bottom_margin;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_indent:
|
||
* @text_view: a #GtkTextView
|
||
* @indent: indentation in pixels
|
||
*
|
||
* Sets the default indentation for paragraphs in @text_view.
|
||
* Tags in the buffer may override the default.
|
||
**/
|
||
void
|
||
gtk_text_view_set_indent (GtkTextView *text_view,
|
||
gint indent)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->indent != indent)
|
||
{
|
||
priv->indent = indent;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->indent = indent;
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "indent");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_indent:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default indentation of paragraphs in @text_view.
|
||
* Tags in the view’s buffer may override the default.
|
||
* The indentation may be negative.
|
||
*
|
||
* Returns: number of pixels of indentation
|
||
**/
|
||
gint
|
||
gtk_text_view_get_indent (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
return text_view->priv->indent;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_tabs:
|
||
* @text_view: a #GtkTextView
|
||
* @tabs: tabs as a #PangoTabArray
|
||
*
|
||
* Sets the default tab stops for paragraphs in @text_view.
|
||
* Tags in the buffer may override the default.
|
||
**/
|
||
void
|
||
gtk_text_view_set_tabs (GtkTextView *text_view,
|
||
PangoTabArray *tabs)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->tabs)
|
||
pango_tab_array_free (priv->tabs);
|
||
|
||
priv->tabs = tabs ? pango_tab_array_copy (tabs) : NULL;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
/* some unkosher futzing in internal struct details... */
|
||
if (priv->layout->default_style->tabs)
|
||
pango_tab_array_free (priv->layout->default_style->tabs);
|
||
|
||
priv->layout->default_style->tabs =
|
||
priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
|
||
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "tabs");
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_tabs:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the default tabs for @text_view. Tags in the buffer may
|
||
* override the defaults. The returned array will be %NULL if
|
||
* “standard” (8-space) tabs are used. Free the return value
|
||
* with pango_tab_array_free().
|
||
*
|
||
* Returns: (nullable) (transfer full): copy of default tab array, or %NULL if
|
||
* “standard" tabs are used; must be freed with pango_tab_array_free().
|
||
**/
|
||
PangoTabArray*
|
||
gtk_text_view_get_tabs (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
return text_view->priv->tabs ? pango_tab_array_copy (text_view->priv->tabs) : NULL;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_toggle_cursor_visible (GtkTextView *text_view)
|
||
{
|
||
gtk_text_view_set_cursor_visible (text_view, !text_view->priv->cursor_visible);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_cursor_visible:
|
||
* @text_view: a #GtkTextView
|
||
* @setting: whether to show the insertion cursor
|
||
*
|
||
* Toggles whether the insertion point is displayed. A buffer with no editable
|
||
* text probably shouldn’t have a visible cursor, so you may want to turn
|
||
* the cursor off.
|
||
**/
|
||
void
|
||
gtk_text_view_set_cursor_visible (GtkTextView *text_view,
|
||
gboolean setting)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
priv = text_view->priv;
|
||
setting = (setting != FALSE);
|
||
|
||
if (priv->cursor_visible != setting)
|
||
{
|
||
priv->cursor_visible = setting;
|
||
|
||
if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
{
|
||
if (priv->layout)
|
||
{
|
||
gtk_text_layout_set_cursor_visible (priv->layout, setting);
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
}
|
||
}
|
||
|
||
g_object_notify (G_OBJECT (text_view), "cursor-visible");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_cursor_visible:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Find out whether the cursor is being displayed.
|
||
*
|
||
* Returns: whether the insertion mark is visible
|
||
**/
|
||
gboolean
|
||
gtk_text_view_get_cursor_visible (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
return text_view->priv->cursor_visible;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_reset_cursor_blink:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Ensures that the cursor is shown (i.e. not in an 'off' blink
|
||
* interval) and resets the time that it will stay blinking (or
|
||
* visible, in case blinking is disabled).
|
||
*
|
||
* This function should be called in response to user input
|
||
* (e.g. from derived classes that override the textview's
|
||
* #GtkWidget::key-press-event handler).
|
||
*
|
||
* Since: 3.20
|
||
*/
|
||
void
|
||
gtk_text_view_reset_cursor_blink (GtkTextView *text_view)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
gtk_text_view_reset_blink_time (text_view);
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_place_cursor_onscreen:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Moves the cursor to the currently visible region of the
|
||
* buffer, it it isn’t there already.
|
||
*
|
||
* Returns: %TRUE if the cursor had to be moved.
|
||
**/
|
||
gboolean
|
||
gtk_text_view_place_cursor_onscreen (GtkTextView *text_view)
|
||
{
|
||
GtkTextIter insert;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
if (clamp_iter_onscreen (text_view, &insert))
|
||
{
|
||
gtk_text_buffer_place_cursor (get_buffer (text_view), &insert);
|
||
return TRUE;
|
||
}
|
||
else
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_remove_validate_idles (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->first_validate_idle != 0)
|
||
{
|
||
DV (g_print ("Removing first validate idle: %s\n", G_STRLOC));
|
||
g_source_remove (priv->first_validate_idle);
|
||
priv->first_validate_idle = 0;
|
||
}
|
||
|
||
if (priv->incremental_validate_idle != 0)
|
||
{
|
||
g_source_remove (priv->incremental_validate_idle);
|
||
priv->incremental_validate_idle = 0;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_destroy (GtkWidget *widget)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_view_remove_validate_idles (text_view);
|
||
gtk_text_view_set_buffer (text_view, NULL);
|
||
gtk_text_view_destroy_layout (text_view);
|
||
|
||
if (text_view->priv->scroll_timeout)
|
||
{
|
||
g_source_remove (text_view->priv->scroll_timeout);
|
||
text_view->priv->scroll_timeout = 0;
|
||
}
|
||
|
||
if (priv->im_spot_idle)
|
||
{
|
||
g_source_remove (priv->im_spot_idle);
|
||
priv->im_spot_idle = 0;
|
||
}
|
||
|
||
if (priv->pixel_cache)
|
||
{
|
||
_gtk_pixel_cache_free (priv->pixel_cache);
|
||
priv->pixel_cache = NULL;
|
||
}
|
||
|
||
if (priv->magnifier)
|
||
_gtk_magnifier_set_inspected (GTK_MAGNIFIER (priv->magnifier), NULL);
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->destroy (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_finalize (GObject *object)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (object);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_view_destroy_layout (text_view);
|
||
gtk_text_view_set_buffer (text_view, NULL);
|
||
|
||
/* at this point, no "notify::buffer" handler should recreate the buffer. */
|
||
g_assert (priv->buffer == NULL);
|
||
|
||
cancel_pending_scroll (text_view);
|
||
|
||
g_object_unref (priv->multipress_gesture);
|
||
g_object_unref (priv->drag_gesture);
|
||
|
||
if (priv->tabs)
|
||
pango_tab_array_free (priv->tabs);
|
||
|
||
if (priv->hadjustment)
|
||
g_object_unref (priv->hadjustment);
|
||
if (priv->vadjustment)
|
||
g_object_unref (priv->vadjustment);
|
||
|
||
text_window_free (priv->text_window);
|
||
|
||
if (priv->left_window)
|
||
text_window_free (priv->left_window);
|
||
|
||
if (priv->top_window)
|
||
text_window_free (priv->top_window);
|
||
|
||
if (priv->right_window)
|
||
text_window_free (priv->right_window);
|
||
|
||
if (priv->bottom_window)
|
||
text_window_free (priv->bottom_window);
|
||
|
||
if (priv->selection_bubble)
|
||
gtk_widget_destroy (priv->selection_bubble);
|
||
|
||
if (priv->magnifier_popover)
|
||
gtk_widget_destroy (priv->magnifier_popover);
|
||
if (priv->text_handle)
|
||
g_object_unref (priv->text_handle);
|
||
g_object_unref (priv->im_context);
|
||
|
||
g_free (priv->im_module);
|
||
|
||
G_OBJECT_CLASS (gtk_text_view_parent_class)->finalize (object);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_property (GObject *object,
|
||
guint prop_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (object);
|
||
priv = text_view->priv;
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_PIXELS_ABOVE_LINES:
|
||
gtk_text_view_set_pixels_above_lines (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_PIXELS_BELOW_LINES:
|
||
gtk_text_view_set_pixels_below_lines (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_PIXELS_INSIDE_WRAP:
|
||
gtk_text_view_set_pixels_inside_wrap (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_EDITABLE:
|
||
gtk_text_view_set_editable (text_view, g_value_get_boolean (value));
|
||
break;
|
||
|
||
case PROP_WRAP_MODE:
|
||
gtk_text_view_set_wrap_mode (text_view, g_value_get_enum (value));
|
||
break;
|
||
|
||
case PROP_JUSTIFICATION:
|
||
gtk_text_view_set_justification (text_view, g_value_get_enum (value));
|
||
break;
|
||
|
||
case PROP_LEFT_MARGIN:
|
||
gtk_text_view_set_left_margin (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_RIGHT_MARGIN:
|
||
gtk_text_view_set_right_margin (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_TOP_MARGIN:
|
||
gtk_text_view_set_top_margin (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_BOTTOM_MARGIN:
|
||
gtk_text_view_set_bottom_margin (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_INDENT:
|
||
gtk_text_view_set_indent (text_view, g_value_get_int (value));
|
||
break;
|
||
|
||
case PROP_TABS:
|
||
gtk_text_view_set_tabs (text_view, g_value_get_boxed (value));
|
||
break;
|
||
|
||
case PROP_CURSOR_VISIBLE:
|
||
gtk_text_view_set_cursor_visible (text_view, g_value_get_boolean (value));
|
||
break;
|
||
|
||
case PROP_OVERWRITE:
|
||
gtk_text_view_set_overwrite (text_view, g_value_get_boolean (value));
|
||
break;
|
||
|
||
case PROP_BUFFER:
|
||
gtk_text_view_set_buffer (text_view, GTK_TEXT_BUFFER (g_value_get_object (value)));
|
||
break;
|
||
|
||
case PROP_ACCEPTS_TAB:
|
||
gtk_text_view_set_accepts_tab (text_view, g_value_get_boolean (value));
|
||
break;
|
||
|
||
case PROP_IM_MODULE:
|
||
g_free (priv->im_module);
|
||
priv->im_module = g_value_dup_string (value);
|
||
if (GTK_IS_IM_MULTICONTEXT (priv->im_context))
|
||
gtk_im_multicontext_set_context_id (GTK_IM_MULTICONTEXT (priv->im_context), priv->im_module);
|
||
break;
|
||
|
||
case PROP_HADJUSTMENT:
|
||
gtk_text_view_set_hadjustment (text_view, g_value_get_object (value));
|
||
break;
|
||
|
||
case PROP_VADJUSTMENT:
|
||
gtk_text_view_set_vadjustment (text_view, g_value_get_object (value));
|
||
break;
|
||
|
||
case PROP_HSCROLL_POLICY:
|
||
if (priv->hscroll_policy != g_value_get_enum (value))
|
||
{
|
||
priv->hscroll_policy = g_value_get_enum (value);
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
|
||
case PROP_VSCROLL_POLICY:
|
||
if (priv->vscroll_policy != g_value_get_enum (value))
|
||
{
|
||
priv->vscroll_policy = g_value_get_enum (value);
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
|
||
case PROP_INPUT_PURPOSE:
|
||
gtk_text_view_set_input_purpose (text_view, g_value_get_enum (value));
|
||
break;
|
||
|
||
case PROP_INPUT_HINTS:
|
||
gtk_text_view_set_input_hints (text_view, g_value_get_flags (value));
|
||
break;
|
||
|
||
case PROP_POPULATE_ALL:
|
||
if (text_view->priv->populate_all != g_value_get_boolean (value))
|
||
{
|
||
text_view->priv->populate_all = g_value_get_boolean (value);
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
case PROP_MONOSPACE:
|
||
gtk_text_view_set_monospace (text_view, g_value_get_boolean (value));
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_property (GObject *object,
|
||
guint prop_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (object);
|
||
priv = text_view->priv;
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_PIXELS_ABOVE_LINES:
|
||
g_value_set_int (value, priv->pixels_above_lines);
|
||
break;
|
||
|
||
case PROP_PIXELS_BELOW_LINES:
|
||
g_value_set_int (value, priv->pixels_below_lines);
|
||
break;
|
||
|
||
case PROP_PIXELS_INSIDE_WRAP:
|
||
g_value_set_int (value, priv->pixels_inside_wrap);
|
||
break;
|
||
|
||
case PROP_EDITABLE:
|
||
g_value_set_boolean (value, priv->editable);
|
||
break;
|
||
|
||
case PROP_WRAP_MODE:
|
||
g_value_set_enum (value, priv->wrap_mode);
|
||
break;
|
||
|
||
case PROP_JUSTIFICATION:
|
||
g_value_set_enum (value, priv->justify);
|
||
break;
|
||
|
||
case PROP_LEFT_MARGIN:
|
||
g_value_set_int (value, priv->left_margin);
|
||
break;
|
||
|
||
case PROP_RIGHT_MARGIN:
|
||
g_value_set_int (value, priv->right_margin);
|
||
break;
|
||
|
||
case PROP_TOP_MARGIN:
|
||
g_value_set_int (value, priv->top_margin);
|
||
break;
|
||
|
||
case PROP_BOTTOM_MARGIN:
|
||
g_value_set_int (value, priv->bottom_margin);
|
||
break;
|
||
|
||
case PROP_INDENT:
|
||
g_value_set_int (value, priv->indent);
|
||
break;
|
||
|
||
case PROP_TABS:
|
||
g_value_set_boxed (value, priv->tabs);
|
||
break;
|
||
|
||
case PROP_CURSOR_VISIBLE:
|
||
g_value_set_boolean (value, priv->cursor_visible);
|
||
break;
|
||
|
||
case PROP_BUFFER:
|
||
g_value_set_object (value, get_buffer (text_view));
|
||
break;
|
||
|
||
case PROP_OVERWRITE:
|
||
g_value_set_boolean (value, priv->overwrite_mode);
|
||
break;
|
||
|
||
case PROP_ACCEPTS_TAB:
|
||
g_value_set_boolean (value, priv->accepts_tab);
|
||
break;
|
||
|
||
case PROP_IM_MODULE:
|
||
g_value_set_string (value, priv->im_module);
|
||
break;
|
||
|
||
case PROP_HADJUSTMENT:
|
||
g_value_set_object (value, priv->hadjustment);
|
||
break;
|
||
|
||
case PROP_VADJUSTMENT:
|
||
g_value_set_object (value, priv->vadjustment);
|
||
break;
|
||
|
||
case PROP_HSCROLL_POLICY:
|
||
g_value_set_enum (value, priv->hscroll_policy);
|
||
break;
|
||
|
||
case PROP_VSCROLL_POLICY:
|
||
g_value_set_enum (value, priv->vscroll_policy);
|
||
break;
|
||
|
||
case PROP_INPUT_PURPOSE:
|
||
g_value_set_enum (value, gtk_text_view_get_input_purpose (text_view));
|
||
break;
|
||
|
||
case PROP_INPUT_HINTS:
|
||
g_value_set_flags (value, gtk_text_view_get_input_hints (text_view));
|
||
break;
|
||
|
||
case PROP_POPULATE_ALL:
|
||
g_value_set_boolean (value, priv->populate_all);
|
||
break;
|
||
|
||
case PROP_MONOSPACE:
|
||
g_value_set_boolean (value, gtk_text_view_get_monospace (text_view));
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_size_request (GtkWidget *widget,
|
||
GtkRequisition *requisition)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GSList *tmp_list;
|
||
guint border_width;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout)
|
||
{
|
||
priv->text_window->requisition.width = priv->layout->width;
|
||
priv->text_window->requisition.height = priv->layout->height;
|
||
}
|
||
else
|
||
{
|
||
priv->text_window->requisition.width = 0;
|
||
priv->text_window->requisition.height = 0;
|
||
}
|
||
|
||
requisition->width = priv->text_window->requisition.width;
|
||
requisition->height = priv->text_window->requisition.height;
|
||
|
||
if (priv->left_window)
|
||
requisition->width += priv->left_window->requisition.width;
|
||
|
||
if (priv->right_window)
|
||
requisition->width += priv->right_window->requisition.width;
|
||
|
||
if (priv->top_window)
|
||
requisition->height += priv->top_window->requisition.height;
|
||
|
||
if (priv->bottom_window)
|
||
requisition->height += priv->bottom_window->requisition.height;
|
||
|
||
border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
|
||
requisition->width += border_width * 2;
|
||
requisition->height += border_width * 2;
|
||
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *child = tmp_list->data;
|
||
|
||
if (child->anchor)
|
||
{
|
||
GtkRequisition child_req;
|
||
GtkRequisition old_req;
|
||
|
||
gtk_widget_get_preferred_size (child->widget, &old_req, NULL);
|
||
|
||
gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
|
||
|
||
/* Invalidate layout lines if required */
|
||
if (priv->layout &&
|
||
(old_req.width != child_req.width ||
|
||
old_req.height != child_req.height))
|
||
gtk_text_child_anchor_queue_resize (child->anchor,
|
||
priv->layout);
|
||
}
|
||
else
|
||
{
|
||
GtkRequisition child_req;
|
||
|
||
gtk_widget_get_preferred_size (child->widget,
|
||
&child_req, NULL);
|
||
}
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
/* Cache the requested size of the text view so we can
|
||
* compare it in the changed_handler() */
|
||
priv->cached_size_request = *requisition;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_preferred_width (GtkWidget *widget,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkRequisition requisition;
|
||
|
||
gtk_text_view_size_request (widget, &requisition);
|
||
|
||
*minimum = *natural = requisition.width;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_preferred_height (GtkWidget *widget,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkRequisition requisition;
|
||
|
||
gtk_text_view_size_request (widget, &requisition);
|
||
|
||
*minimum = *natural = requisition.height;
|
||
}
|
||
|
||
|
||
static void
|
||
gtk_text_view_compute_child_allocation (GtkTextView *text_view,
|
||
GtkTextViewChild *vc,
|
||
GtkAllocation *allocation)
|
||
{
|
||
gint buffer_y;
|
||
GtkTextIter iter;
|
||
GtkRequisition req;
|
||
|
||
gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
|
||
&iter,
|
||
vc->anchor);
|
||
|
||
gtk_text_layout_get_line_yrange (text_view->priv->layout, &iter,
|
||
&buffer_y, NULL);
|
||
|
||
buffer_y += vc->from_top_of_line;
|
||
|
||
allocation->x = vc->from_left_of_buffer - text_view->priv->xoffset;
|
||
allocation->y = buffer_y - text_view->priv->yoffset;
|
||
|
||
gtk_widget_get_preferred_size (vc->widget, &req, NULL);
|
||
allocation->width = req.width;
|
||
allocation->height = req.height;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_update_child_allocation (GtkTextView *text_view,
|
||
GtkTextViewChild *vc)
|
||
{
|
||
GtkAllocation allocation;
|
||
|
||
gtk_text_view_compute_child_allocation (text_view, vc, &allocation);
|
||
|
||
gtk_widget_size_allocate (vc->widget, &allocation);
|
||
|
||
#if 0
|
||
g_print ("allocation for %p allocated to %d,%d yoffset = %d\n",
|
||
vc->widget,
|
||
vc->widget->allocation.x,
|
||
vc->widget->allocation.y,
|
||
text_view->priv->yoffset);
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_child_allocated (GtkTextLayout *layout,
|
||
GtkWidget *child,
|
||
gint x,
|
||
gint y,
|
||
gpointer data)
|
||
{
|
||
GtkTextViewChild *vc = NULL;
|
||
GtkTextView *text_view = data;
|
||
|
||
/* x,y is the position of the child from the top of the line, and
|
||
* from the left of the buffer. We have to translate that into text
|
||
* window coordinates, then size_allocate the child.
|
||
*/
|
||
|
||
vc = g_object_get_qdata (G_OBJECT (child), quark_text_view_child);
|
||
|
||
g_assert (vc != NULL);
|
||
|
||
DV (g_print ("child allocated at %d,%d\n", x, y));
|
||
|
||
vc->from_left_of_buffer = x;
|
||
vc->from_top_of_line = y;
|
||
|
||
gtk_text_view_update_child_allocation (text_view, vc);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_allocate_children (GtkTextView *text_view)
|
||
{
|
||
GSList *tmp_list;
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
tmp_list = text_view->priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *child = tmp_list->data;
|
||
|
||
g_assert (child != NULL);
|
||
|
||
if (child->anchor)
|
||
{
|
||
/* We need to force-validate the regions containing
|
||
* children.
|
||
*/
|
||
GtkTextIter child_loc;
|
||
gtk_text_buffer_get_iter_at_child_anchor (get_buffer (text_view),
|
||
&child_loc,
|
||
child->anchor);
|
||
|
||
/* Since anchored children are only ever allocated from
|
||
* gtk_text_layout_get_line_display() we have to make sure
|
||
* that the display line caching in the layout doesn't
|
||
* get in the way. Invalidating the layout around the anchor
|
||
* achieves this.
|
||
*/
|
||
if (_gtk_widget_get_alloc_needed (child->widget))
|
||
{
|
||
GtkTextIter end = child_loc;
|
||
gtk_text_iter_forward_char (&end);
|
||
gtk_text_layout_invalidate (text_view->priv->layout, &child_loc, &end);
|
||
}
|
||
|
||
gtk_text_layout_validate_yrange (text_view->priv->layout,
|
||
&child_loc,
|
||
0, 1);
|
||
}
|
||
else
|
||
{
|
||
GtkAllocation allocation;
|
||
GtkRequisition child_req;
|
||
|
||
allocation.x = child->x;
|
||
allocation.y = child->y;
|
||
|
||
if (child->type == GTK_TEXT_WINDOW_TEXT ||
|
||
child->type == GTK_TEXT_WINDOW_LEFT ||
|
||
child->type == GTK_TEXT_WINDOW_RIGHT)
|
||
allocation.y -= text_view->priv->yoffset;
|
||
if (child->type == GTK_TEXT_WINDOW_TEXT ||
|
||
child->type == GTK_TEXT_WINDOW_TOP ||
|
||
child->type == GTK_TEXT_WINDOW_BOTTOM)
|
||
allocation.x -= text_view->priv->xoffset;
|
||
|
||
gtk_widget_get_preferred_size (child->widget, &child_req, NULL);
|
||
|
||
allocation.width = child_req.width;
|
||
allocation.height = child_req.height;
|
||
|
||
gtk_widget_size_allocate (child->widget, &allocation);
|
||
}
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_size_allocate (GtkWidget *widget,
|
||
GtkAllocation *allocation)
|
||
{
|
||
GtkAllocation widget_allocation;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
gint width, height;
|
||
GdkRectangle text_rect;
|
||
GdkRectangle left_rect;
|
||
GdkRectangle right_rect;
|
||
GdkRectangle top_rect;
|
||
GdkRectangle bottom_rect;
|
||
guint border_width;
|
||
gboolean size_changed;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
_gtk_pixel_cache_set_extra_size (priv->pixel_cache, 64,
|
||
allocation->height / 2 + priv->top_border);
|
||
|
||
gtk_widget_get_allocation (widget, &widget_allocation);
|
||
size_changed =
|
||
widget_allocation.width != allocation->width ||
|
||
widget_allocation.height != allocation->height;
|
||
|
||
border_width = gtk_container_get_border_width (GTK_CONTAINER (text_view));
|
||
|
||
gtk_widget_set_allocation (widget, allocation);
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
gdk_window_move_resize (gtk_widget_get_window (widget),
|
||
allocation->x, allocation->y,
|
||
allocation->width, allocation->height);
|
||
}
|
||
|
||
/* distribute width/height among child windows. Ensure all
|
||
* windows get at least a 1x1 allocation.
|
||
*/
|
||
|
||
width = allocation->width - border_width * 2;
|
||
|
||
if (priv->left_window)
|
||
left_rect.width = priv->left_window->requisition.width;
|
||
else
|
||
left_rect.width = 0;
|
||
|
||
width -= left_rect.width;
|
||
|
||
if (priv->right_window)
|
||
right_rect.width = priv->right_window->requisition.width;
|
||
else
|
||
right_rect.width = 0;
|
||
|
||
width -= right_rect.width;
|
||
|
||
text_rect.width = MAX (1, width);
|
||
|
||
top_rect.width = text_rect.width;
|
||
bottom_rect.width = text_rect.width;
|
||
|
||
height = allocation->height - border_width * 2;
|
||
|
||
if (priv->top_window)
|
||
top_rect.height = priv->top_window->requisition.height;
|
||
else
|
||
top_rect.height = 0;
|
||
|
||
height -= top_rect.height;
|
||
|
||
if (priv->bottom_window)
|
||
bottom_rect.height = priv->bottom_window->requisition.height;
|
||
else
|
||
bottom_rect.height = 0;
|
||
|
||
height -= bottom_rect.height;
|
||
|
||
text_rect.height = MAX (1, height);
|
||
|
||
left_rect.height = text_rect.height;
|
||
right_rect.height = text_rect.height;
|
||
|
||
/* Origins */
|
||
left_rect.x = border_width;
|
||
top_rect.y = border_width;
|
||
|
||
text_rect.x = left_rect.x + left_rect.width;
|
||
text_rect.y = top_rect.y + top_rect.height;
|
||
|
||
left_rect.y = text_rect.y;
|
||
right_rect.y = text_rect.y;
|
||
|
||
top_rect.x = text_rect.x;
|
||
bottom_rect.x = text_rect.x;
|
||
|
||
right_rect.x = text_rect.x + text_rect.width;
|
||
bottom_rect.y = text_rect.y + text_rect.height;
|
||
|
||
text_window_size_allocate (priv->text_window,
|
||
&text_rect);
|
||
|
||
if (priv->left_window)
|
||
text_window_size_allocate (priv->left_window,
|
||
&left_rect);
|
||
|
||
if (priv->right_window)
|
||
text_window_size_allocate (priv->right_window,
|
||
&right_rect);
|
||
|
||
if (priv->top_window)
|
||
text_window_size_allocate (priv->top_window,
|
||
&top_rect);
|
||
|
||
if (priv->bottom_window)
|
||
text_window_size_allocate (priv->bottom_window,
|
||
&bottom_rect);
|
||
|
||
gtk_text_view_update_layout_width (text_view);
|
||
|
||
/* Note that this will do some layout validation */
|
||
gtk_text_view_allocate_children (text_view);
|
||
|
||
/* Update adjustments */
|
||
if (!gtk_adjustment_is_animating (priv->hadjustment))
|
||
gtk_text_view_set_hadjustment_values (text_view);
|
||
if (!gtk_adjustment_is_animating (priv->vadjustment))
|
||
gtk_text_view_set_vadjustment_values (text_view);
|
||
|
||
/* The GTK resize loop processes all the pending exposes right
|
||
* after doing the resize stuff, so the idle sizer won't have a
|
||
* chance to run. So we do the work here.
|
||
*/
|
||
gtk_text_view_flush_first_validate (text_view);
|
||
|
||
/* widget->window doesn't get auto-redrawn as the layout is computed, so has to
|
||
* be invalidated
|
||
*/
|
||
if (size_changed && gtk_widget_get_realized (widget))
|
||
gdk_window_invalidate_rect (gtk_widget_get_window (widget), NULL, FALSE);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_first_para_iter (GtkTextView *text_view,
|
||
GtkTextIter *iter)
|
||
{
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), iter,
|
||
text_view->priv->first_para_mark);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_validate_onscreen (GtkTextView *text_view)
|
||
{
|
||
GtkWidget *widget;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
widget = GTK_WIDGET (text_view);
|
||
priv = text_view->priv;
|
||
|
||
DV(g_print(">Validating onscreen ("G_STRLOC")\n"));
|
||
|
||
if (SCREEN_HEIGHT (widget) > 0)
|
||
{
|
||
GtkTextIter first_para;
|
||
|
||
/* Be sure we've validated the stuff onscreen; if we
|
||
* scrolled, these calls won't have any effect, because
|
||
* they were called in the recursive validate_onscreen
|
||
*/
|
||
gtk_text_view_get_first_para_iter (text_view, &first_para);
|
||
|
||
gtk_text_layout_validate_yrange (priv->layout,
|
||
&first_para,
|
||
0,
|
||
priv->first_para_pixels +
|
||
SCREEN_HEIGHT (widget));
|
||
}
|
||
|
||
priv->onscreen_validated = TRUE;
|
||
|
||
DV(g_print(">Done validating onscreen, onscreen_validated = TRUE ("G_STRLOC")\n"));
|
||
|
||
/* This can have the odd side effect of triggering a scroll, which should
|
||
* flip "onscreen_validated" back to FALSE, but should also get us
|
||
* back into this function to turn it on again.
|
||
*/
|
||
gtk_text_view_update_adjustments (text_view);
|
||
|
||
g_assert (priv->onscreen_validated);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_flush_first_validate (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->first_validate_idle == 0)
|
||
return;
|
||
|
||
/* Do this first, which means that if an "invalidate"
|
||
* occurs during any of this process, a new first_validate_callback
|
||
* will be installed, and we'll start again.
|
||
*/
|
||
DV (g_print ("removing first validate in %s\n", G_STRLOC));
|
||
g_source_remove (priv->first_validate_idle);
|
||
priv->first_validate_idle = 0;
|
||
|
||
/* be sure we have up-to-date screen size set on the
|
||
* layout.
|
||
*/
|
||
gtk_text_view_update_layout_width (text_view);
|
||
|
||
/* Bail out if we invalidated stuff; scrolling right away will just
|
||
* confuse the issue.
|
||
*/
|
||
if (priv->first_validate_idle != 0)
|
||
{
|
||
DV(g_print(">Width change forced requeue ("G_STRLOC")\n"));
|
||
}
|
||
else
|
||
{
|
||
/* scroll to any marks, if that's pending. This can jump us to
|
||
* the validation codepath used for scrolling onscreen, if so we
|
||
* bail out. It won't jump if already in that codepath since
|
||
* value_changed is not recursive, so also validate if
|
||
* necessary.
|
||
*/
|
||
if (!gtk_text_view_flush_scroll (text_view) ||
|
||
!priv->onscreen_validated)
|
||
gtk_text_view_validate_onscreen (text_view);
|
||
|
||
DV(g_print(">Leaving first validate idle ("G_STRLOC")\n"));
|
||
|
||
g_assert (priv->onscreen_validated);
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
first_validate_callback (gpointer data)
|
||
{
|
||
GtkTextView *text_view = data;
|
||
|
||
/* Note that some of this code is duplicated at the end of size_allocate,
|
||
* keep in sync with that.
|
||
*/
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
gtk_text_view_flush_first_validate (text_view);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
incremental_validate_callback (gpointer data)
|
||
{
|
||
GtkTextView *text_view = data;
|
||
gboolean result = TRUE;
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
gtk_text_layout_validate (text_view->priv->layout, 2000);
|
||
|
||
gtk_text_view_update_adjustments (text_view);
|
||
|
||
if (gtk_text_layout_is_valid (text_view->priv->layout))
|
||
{
|
||
text_view->priv->incremental_validate_idle = 0;
|
||
result = FALSE;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_invalidate (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
DV (g_print (">Invalidate, onscreen_validated = %d now FALSE ("G_STRLOC")\n",
|
||
priv->onscreen_validated));
|
||
|
||
priv->onscreen_validated = FALSE;
|
||
|
||
/* We'll invalidate when the layout is created */
|
||
if (priv->layout == NULL)
|
||
return;
|
||
|
||
if (!priv->first_validate_idle)
|
||
{
|
||
priv->first_validate_idle = gdk_threads_add_idle_full (GTK_PRIORITY_RESIZE - 2, first_validate_callback, text_view, NULL);
|
||
g_source_set_name_by_id (priv->first_validate_idle, "[gtk+] first_validate_callback");
|
||
DV (g_print (G_STRLOC": adding first validate idle %d\n",
|
||
priv->first_validate_idle));
|
||
}
|
||
|
||
if (!priv->incremental_validate_idle)
|
||
{
|
||
priv->incremental_validate_idle = gdk_threads_add_idle_full (GTK_TEXT_VIEW_PRIORITY_VALIDATE, incremental_validate_callback, text_view, NULL);
|
||
g_source_set_name_by_id (priv->incremental_validate_idle, "[gtk+] incremental_validate_callback");
|
||
DV (g_print (G_STRLOC": adding incremental validate idle %d\n",
|
||
priv->incremental_validate_idle));
|
||
}
|
||
}
|
||
|
||
static void
|
||
invalidated_handler (GtkTextLayout *layout,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view;
|
||
|
||
text_view = GTK_TEXT_VIEW (data);
|
||
|
||
DV (g_print ("Invalidating due to layout invalidate signal\n"));
|
||
gtk_text_view_invalidate (text_view);
|
||
}
|
||
|
||
static void
|
||
changed_handler (GtkTextLayout *layout,
|
||
gint start_y,
|
||
gint old_height,
|
||
gint new_height,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkWidget *widget;
|
||
GdkRectangle visible_rect;
|
||
GdkRectangle redraw_rect;
|
||
|
||
text_view = GTK_TEXT_VIEW (data);
|
||
priv = text_view->priv;
|
||
widget = GTK_WIDGET (data);
|
||
|
||
DV(g_print(">Lines Validated ("G_STRLOC")\n"));
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
gtk_text_view_get_rendered_rect (text_view, &visible_rect);
|
||
|
||
redraw_rect.x = visible_rect.x;
|
||
redraw_rect.width = visible_rect.width;
|
||
redraw_rect.y = start_y;
|
||
|
||
if (old_height == new_height)
|
||
redraw_rect.height = old_height;
|
||
else if (start_y + old_height > visible_rect.y)
|
||
redraw_rect.height = MAX (0, visible_rect.y + visible_rect.height - start_y);
|
||
else
|
||
redraw_rect.height = 0;
|
||
|
||
if (gdk_rectangle_intersect (&redraw_rect, &visible_rect, &redraw_rect))
|
||
{
|
||
/* text_window_invalidate_rect() takes buffer coordinates */
|
||
text_window_invalidate_rect (priv->text_window,
|
||
&redraw_rect);
|
||
|
||
DV(g_print(" invalidated rect: %d,%d %d x %d\n",
|
||
redraw_rect.x,
|
||
redraw_rect.y,
|
||
redraw_rect.width,
|
||
redraw_rect.height));
|
||
|
||
if (priv->left_window)
|
||
text_window_invalidate_rect (priv->left_window,
|
||
&redraw_rect);
|
||
if (priv->right_window)
|
||
text_window_invalidate_rect (priv->right_window,
|
||
&redraw_rect);
|
||
if (priv->top_window)
|
||
text_window_invalidate_rect (priv->top_window,
|
||
&redraw_rect);
|
||
if (priv->bottom_window)
|
||
text_window_invalidate_rect (priv->bottom_window,
|
||
&redraw_rect);
|
||
|
||
queue_update_im_spot_location (text_view);
|
||
}
|
||
}
|
||
|
||
if (old_height != new_height)
|
||
{
|
||
GSList *tmp_list;
|
||
int new_first_para_top;
|
||
int old_first_para_top;
|
||
GtkTextIter first;
|
||
|
||
/* If the bottom of the old area was above the top of the
|
||
* screen, we need to scroll to keep the current top of the
|
||
* screen in place. Remember that first_para_pixels is the
|
||
* position of the top of the screen in coordinates relative to
|
||
* the first paragraph onscreen.
|
||
*
|
||
* In short we are adding the height delta of the portion of the
|
||
* changed region above first_para_mark to priv->yoffset.
|
||
*/
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &first,
|
||
priv->first_para_mark);
|
||
|
||
gtk_text_layout_get_line_yrange (layout, &first, &new_first_para_top, NULL);
|
||
|
||
old_first_para_top = priv->yoffset - priv->first_para_pixels + priv->top_border;
|
||
|
||
if (new_first_para_top != old_first_para_top)
|
||
{
|
||
priv->yoffset += new_first_para_top - old_first_para_top;
|
||
|
||
gtk_adjustment_set_value (text_view->priv->vadjustment, priv->yoffset);
|
||
}
|
||
|
||
/* FIXME be smarter about which anchored widgets we update */
|
||
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *child = tmp_list->data;
|
||
|
||
if (child->anchor)
|
||
gtk_text_view_update_child_allocation (text_view, child);
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
}
|
||
|
||
{
|
||
GtkRequisition old_req = priv->cached_size_request;
|
||
GtkRequisition new_req;
|
||
|
||
/* Use this instead of gtk_widget_size_request wrapper
|
||
* to avoid the optimization which just returns widget->requisition
|
||
* if a resize hasn't been queued.
|
||
*/
|
||
gtk_text_view_size_request (widget, &new_req);
|
||
|
||
if (old_req.width != new_req.width ||
|
||
old_req.height != new_req.height)
|
||
{
|
||
gtk_widget_queue_resize_no_redraw (widget);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_realize (GtkWidget *widget)
|
||
{
|
||
GtkAllocation allocation;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GdkWindow *window;
|
||
GdkWindowAttr attributes;
|
||
gint attributes_mask;
|
||
GSList *tmp_list;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_widget_set_realized (widget, TRUE);
|
||
|
||
gtk_widget_get_allocation (widget, &allocation);
|
||
|
||
attributes.window_type = GDK_WINDOW_CHILD;
|
||
attributes.x = allocation.x;
|
||
attributes.y = allocation.y;
|
||
attributes.width = allocation.width;
|
||
attributes.height = allocation.height;
|
||
attributes.wclass = GDK_INPUT_OUTPUT;
|
||
attributes.visual = gtk_widget_get_visual (widget);
|
||
attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
|
||
|
||
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
|
||
|
||
window = gdk_window_new (gtk_widget_get_parent_window (widget),
|
||
&attributes, attributes_mask);
|
||
gtk_widget_set_window (widget, window);
|
||
gtk_widget_register_window (widget, window);
|
||
|
||
text_window_realize (priv->text_window, widget);
|
||
|
||
if (priv->left_window)
|
||
text_window_realize (priv->left_window, widget);
|
||
|
||
if (priv->top_window)
|
||
text_window_realize (priv->top_window, widget);
|
||
|
||
if (priv->right_window)
|
||
text_window_realize (priv->right_window, widget);
|
||
|
||
if (priv->bottom_window)
|
||
text_window_realize (priv->bottom_window, widget);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
gtk_text_view_invalidate (text_view);
|
||
|
||
if (priv->buffer)
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_PRIMARY);
|
||
gtk_text_buffer_add_selection_clipboard (priv->buffer, clipboard);
|
||
}
|
||
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *vc = tmp_list->data;
|
||
|
||
text_view_child_set_parent_window (text_view, vc);
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
/* Ensure updating the spot location. */
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_unrealize (GtkWidget *widget)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->buffer)
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_PRIMARY);
|
||
gtk_text_buffer_remove_selection_clipboard (priv->buffer, clipboard);
|
||
}
|
||
|
||
gtk_text_view_remove_validate_idles (text_view);
|
||
|
||
if (priv->popup_menu)
|
||
{
|
||
gtk_widget_destroy (priv->popup_menu);
|
||
priv->popup_menu = NULL;
|
||
}
|
||
|
||
text_window_unrealize (priv->text_window);
|
||
|
||
if (priv->left_window)
|
||
text_window_unrealize (priv->left_window);
|
||
|
||
if (priv->top_window)
|
||
text_window_unrealize (priv->top_window);
|
||
|
||
if (priv->right_window)
|
||
text_window_unrealize (priv->right_window);
|
||
|
||
if (priv->bottom_window)
|
||
text_window_unrealize (priv->bottom_window);
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->unrealize (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_map (GtkWidget *widget)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
_gtk_pixel_cache_map (priv->pixel_cache);
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->map (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_unmap (GtkWidget *widget)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->unmap (widget);
|
||
|
||
_gtk_pixel_cache_unmap (priv->pixel_cache);
|
||
}
|
||
|
||
static void
|
||
text_window_set_padding (GtkTextView *text_view,
|
||
GtkStyleContext *context)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkBorder padding;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_style_context_get_padding (context, gtk_style_context_get_state (context), &padding);
|
||
|
||
if (padding.left != priv->left_padding ||
|
||
padding.right != priv->right_padding ||
|
||
padding.top != priv->top_padding ||
|
||
padding.bottom != priv->bottom_padding)
|
||
{
|
||
priv->xoffset += priv->left_padding - padding.left;
|
||
priv->yoffset += priv->top_padding - padding.top;
|
||
|
||
priv->left_padding = padding.left;
|
||
priv->right_padding = padding.right;
|
||
priv->top_padding = padding.top;
|
||
priv->bottom_padding = padding.bottom;
|
||
|
||
priv->top_border = padding.top + priv->top_margin;
|
||
priv->bottom_border = padding.bottom + priv->bottom_margin;
|
||
priv->left_border = padding.left + priv->left_margin;
|
||
priv->right_border = padding.right + priv->right_margin;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->right_padding = priv->right_padding;
|
||
priv->layout->left_padding = priv->left_padding;
|
||
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_style_updated (GtkWidget *widget)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
PangoContext *ltr_context, *rtl_context;
|
||
GtkStyleContext *style_context;
|
||
GtkCssStyleChange *change;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->style_updated (widget);
|
||
|
||
style_context = gtk_widget_get_style_context (widget);
|
||
change = gtk_style_context_get_change (style_context);
|
||
|
||
if ((change == NULL || gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_FONT)) &&
|
||
priv->layout && priv->layout->default_style)
|
||
{
|
||
gtk_text_view_set_attributes_from_style (text_view,
|
||
priv->layout->default_style);
|
||
|
||
ltr_context = gtk_widget_create_pango_context (widget);
|
||
pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
|
||
rtl_context = gtk_widget_create_pango_context (widget);
|
||
pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
|
||
|
||
gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
|
||
|
||
g_object_unref (ltr_context);
|
||
g_object_unref (rtl_context);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_direction_changed (GtkWidget *widget,
|
||
GtkTextDirection previous_direction)
|
||
{
|
||
GtkTextViewPrivate *priv = GTK_TEXT_VIEW (widget)->priv;
|
||
|
||
if (priv->layout && priv->layout->default_style)
|
||
{
|
||
priv->layout->default_style->direction = gtk_widget_get_direction (widget);
|
||
|
||
gtk_text_layout_default_style_changed (priv->layout);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_state_flags_changed (GtkWidget *widget,
|
||
GtkStateFlags previous_state)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
GdkCursor *cursor;
|
||
GtkStateFlags state;
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
if (gtk_widget_is_sensitive (widget))
|
||
cursor = gdk_cursor_new_from_name (gtk_widget_get_display (widget), "text");
|
||
else
|
||
cursor = NULL;
|
||
|
||
gdk_window_set_cursor (priv->text_window->bin_window, cursor);
|
||
|
||
if (cursor)
|
||
g_object_unref (cursor);
|
||
|
||
priv->mouse_cursor_obscured = FALSE;
|
||
}
|
||
|
||
if (!gtk_widget_is_sensitive (widget))
|
||
{
|
||
/* Clear any selection */
|
||
gtk_text_view_unselect (text_view);
|
||
}
|
||
|
||
state = gtk_widget_get_state_flags (widget);
|
||
gtk_css_node_set_state (priv->text_window->css_node, state);
|
||
gtk_css_node_set_state (priv->selection_node, state);
|
||
if (priv->left_window)
|
||
gtk_css_node_set_state (priv->left_window->css_node, state);
|
||
if (priv->right_window)
|
||
gtk_css_node_set_state (priv->right_window->css_node, state);
|
||
if (priv->top_window)
|
||
gtk_css_node_set_state (priv->top_window->css_node, state);
|
||
if (priv->bottom_window)
|
||
gtk_css_node_set_state (priv->bottom_window->css_node, state);
|
||
|
||
gtk_widget_queue_draw (widget);
|
||
}
|
||
|
||
static void
|
||
set_invisible_cursor (GdkWindow *window)
|
||
{
|
||
GdkDisplay *display;
|
||
GdkCursor *cursor;
|
||
|
||
display = gdk_window_get_display (window);
|
||
cursor = gdk_cursor_new_from_name (display, "none");
|
||
|
||
gdk_window_set_cursor (window, cursor);
|
||
|
||
g_clear_object (&cursor);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_obscure_mouse_cursor (GtkTextView *text_view)
|
||
{
|
||
if (text_view->priv->mouse_cursor_obscured)
|
||
return;
|
||
|
||
set_invisible_cursor (text_view->priv->text_window->bin_window);
|
||
|
||
text_view->priv->mouse_cursor_obscured = TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_unobscure_mouse_cursor (GtkTextView *text_view)
|
||
{
|
||
if (text_view->priv->mouse_cursor_obscured)
|
||
{
|
||
GdkDisplay *display;
|
||
GdkCursor *cursor;
|
||
|
||
display = gtk_widget_get_display (GTK_WIDGET (text_view));
|
||
cursor = gdk_cursor_new_from_name (display, "text");
|
||
gdk_window_set_cursor (text_view->priv->text_window->bin_window, cursor);
|
||
g_object_unref (cursor);
|
||
text_view->priv->mouse_cursor_obscured = FALSE;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Events
|
||
*/
|
||
|
||
static gboolean
|
||
get_event_coordinates (GdkEvent *event, gint *x, gint *y)
|
||
{
|
||
if (event)
|
||
switch (event->type)
|
||
{
|
||
case GDK_MOTION_NOTIFY:
|
||
*x = event->motion.x;
|
||
*y = event->motion.y;
|
||
return TRUE;
|
||
break;
|
||
|
||
case GDK_BUTTON_PRESS:
|
||
case GDK_2BUTTON_PRESS:
|
||
case GDK_3BUTTON_PRESS:
|
||
case GDK_BUTTON_RELEASE:
|
||
*x = event->button.x;
|
||
*y = event->button.y;
|
||
return TRUE;
|
||
break;
|
||
|
||
case GDK_KEY_PRESS:
|
||
case GDK_KEY_RELEASE:
|
||
case GDK_ENTER_NOTIFY:
|
||
case GDK_LEAVE_NOTIFY:
|
||
case GDK_PROPERTY_NOTIFY:
|
||
case GDK_SELECTION_CLEAR:
|
||
case GDK_SELECTION_REQUEST:
|
||
case GDK_SELECTION_NOTIFY:
|
||
case GDK_PROXIMITY_IN:
|
||
case GDK_PROXIMITY_OUT:
|
||
case GDK_DRAG_ENTER:
|
||
case GDK_DRAG_LEAVE:
|
||
case GDK_DRAG_MOTION:
|
||
case GDK_DRAG_STATUS:
|
||
case GDK_DROP_START:
|
||
case GDK_DROP_FINISHED:
|
||
default:
|
||
return FALSE;
|
||
break;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gint
|
||
emit_event_on_tags (GtkWidget *widget,
|
||
GdkEvent *event,
|
||
GtkTextIter *iter)
|
||
{
|
||
GSList *tags;
|
||
GSList *tmp;
|
||
gboolean retval = FALSE;
|
||
|
||
tags = gtk_text_iter_get_tags (iter);
|
||
|
||
tmp = tags;
|
||
while (tmp != NULL)
|
||
{
|
||
GtkTextTag *tag = tmp->data;
|
||
|
||
if (gtk_text_tag_event (tag, G_OBJECT (widget), event, iter))
|
||
{
|
||
retval = TRUE;
|
||
break;
|
||
}
|
||
|
||
tmp = tmp->next;
|
||
}
|
||
|
||
g_slist_free (tags);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static void
|
||
_text_window_to_widget_coords (GtkTextView *text_view,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->top_window)
|
||
(*y) += priv->top_window->requisition.height;
|
||
if (priv->left_window)
|
||
(*x) += priv->left_window->requisition.width;
|
||
}
|
||
|
||
static void
|
||
_widget_to_text_window_coords (GtkTextView *text_view,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->top_window)
|
||
(*y) -= priv->top_window->requisition.height;
|
||
if (priv->left_window)
|
||
(*x) -= priv->left_window->requisition.width;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_handle_position (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
GtkTextHandlePosition pos)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GdkRectangle rect;
|
||
gint x, y;
|
||
|
||
priv = text_view->priv;
|
||
gtk_text_view_get_cursor_locations (text_view, iter, &rect, NULL);
|
||
|
||
x = rect.x - priv->xoffset;
|
||
y = rect.y - priv->yoffset;
|
||
|
||
if (!_gtk_text_handle_get_is_dragged (priv->text_handle, pos) &&
|
||
(x < 0 || x > SCREEN_WIDTH (text_view) ||
|
||
y < 0 || y > SCREEN_HEIGHT (text_view)))
|
||
{
|
||
/* Hide the handle if it's not being manipulated
|
||
* and fell outside of the visible text area.
|
||
*/
|
||
_gtk_text_handle_set_visible (priv->text_handle, pos, FALSE);
|
||
}
|
||
else
|
||
{
|
||
GtkTextDirection dir = GTK_TEXT_DIR_LTR;
|
||
GtkTextAttributes attributes = { 0 };
|
||
|
||
_gtk_text_handle_set_visible (priv->text_handle, pos, TRUE);
|
||
|
||
rect.x = CLAMP (x, 0, SCREEN_WIDTH (text_view));
|
||
rect.y = CLAMP (y, 0, SCREEN_HEIGHT (text_view));
|
||
_text_window_to_widget_coords (text_view, &rect.x, &rect.y);
|
||
|
||
_gtk_text_handle_set_position (priv->text_handle, pos, &rect);
|
||
|
||
if (gtk_text_iter_get_attributes (iter, &attributes))
|
||
dir = attributes.direction;
|
||
|
||
_gtk_text_handle_set_direction (priv->text_handle, pos, dir);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_show_magnifier (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
cairo_rectangle_int_t rect;
|
||
GtkTextViewPrivate *priv;
|
||
GtkAllocation allocation;
|
||
GtkRequisition req;
|
||
|
||
#define N_LINES 1
|
||
|
||
gtk_widget_get_allocation (GTK_WIDGET (text_view), &allocation);
|
||
|
||
priv = text_view->priv;
|
||
_gtk_text_view_ensure_magnifier (text_view);
|
||
|
||
/* Set size/content depending on iter rect */
|
||
gtk_text_view_get_iter_location (text_view, iter,
|
||
(GdkRectangle *) &rect);
|
||
rect.x = x + priv->xoffset;
|
||
gtk_text_view_buffer_to_window_coords (text_view, GTK_TEXT_WINDOW_TEXT,
|
||
rect.x, rect.y, &rect.x, &rect.y);
|
||
_text_window_to_widget_coords (text_view, &rect.x, &rect.y);
|
||
req.height = rect.height * N_LINES *
|
||
_gtk_magnifier_get_magnification (GTK_MAGNIFIER (priv->magnifier));
|
||
req.width = MAX ((req.height * 4) / 3, 80);
|
||
gtk_widget_set_size_request (priv->magnifier, req.width, req.height);
|
||
|
||
_gtk_magnifier_set_coords (GTK_MAGNIFIER (priv->magnifier),
|
||
rect.x, rect.y + rect.height / 2);
|
||
|
||
rect.x = CLAMP (rect.x, 0, allocation.width);
|
||
rect.y += rect.height / 4;
|
||
rect.height -= rect.height / 4;
|
||
gtk_popover_set_pointing_to (GTK_POPOVER (priv->magnifier_popover),
|
||
&rect);
|
||
|
||
gtk_widget_show (priv->magnifier_popover);
|
||
|
||
#undef N_LINES
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_handle_dragged (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
gint x,
|
||
gint y,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter old_cursor, old_bound;
|
||
GtkTextIter cursor, bound, iter;
|
||
GtkTextIter *min, *max;
|
||
GtkTextHandleMode mode;
|
||
GtkTextBuffer *buffer;
|
||
GtkTextHandlePosition cursor_pos;
|
||
|
||
priv = text_view->priv;
|
||
buffer = get_buffer (text_view);
|
||
mode = _gtk_text_handle_get_mode (handle);
|
||
|
||
_widget_to_text_window_coords (text_view, &x, &y);
|
||
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout, &iter,
|
||
x + priv->xoffset,
|
||
y + priv->yoffset);
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &old_cursor,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &old_bound,
|
||
gtk_text_buffer_get_selection_bound (buffer));
|
||
cursor = old_cursor;
|
||
bound = old_bound;
|
||
|
||
if (mode == GTK_TEXT_HANDLE_MODE_CURSOR ||
|
||
gtk_text_iter_compare (&cursor, &bound) >= 0)
|
||
{
|
||
cursor_pos = GTK_TEXT_HANDLE_POSITION_CURSOR;
|
||
max = &cursor;
|
||
min = &bound;
|
||
}
|
||
else
|
||
{
|
||
cursor_pos = GTK_TEXT_HANDLE_POSITION_SELECTION_START;
|
||
max = &bound;
|
||
min = &cursor;
|
||
}
|
||
|
||
if (pos == GTK_TEXT_HANDLE_POSITION_SELECTION_END)
|
||
{
|
||
if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
|
||
gtk_text_iter_compare (&iter, min) <= 0)
|
||
{
|
||
iter = *min;
|
||
gtk_text_iter_forward_char (&iter);
|
||
}
|
||
|
||
*max = iter;
|
||
gtk_text_view_set_handle_position (text_view, &iter, pos);
|
||
}
|
||
else
|
||
{
|
||
if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
|
||
gtk_text_iter_compare (&iter, max) >= 0)
|
||
{
|
||
iter = *max;
|
||
gtk_text_iter_backward_char (&iter);
|
||
}
|
||
|
||
*min = iter;
|
||
gtk_text_view_set_handle_position (text_view, &iter, pos);
|
||
}
|
||
|
||
if (gtk_text_iter_compare (&old_cursor, &cursor) != 0 ||
|
||
gtk_text_iter_compare (&old_bound, &bound) != 0)
|
||
{
|
||
if (mode == GTK_TEXT_HANDLE_MODE_CURSOR)
|
||
gtk_text_buffer_place_cursor (buffer, &cursor);
|
||
else
|
||
gtk_text_buffer_select_range (buffer, &cursor, &bound);
|
||
|
||
if (_gtk_text_handle_get_is_dragged (priv->text_handle, cursor_pos))
|
||
{
|
||
text_view->priv->cursor_handle_dragged = TRUE;
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
}
|
||
else
|
||
{
|
||
text_view->priv->selection_handle_dragged = TRUE;
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_selection_bound (buffer));
|
||
}
|
||
}
|
||
|
||
if (_gtk_text_handle_get_is_dragged (priv->text_handle, cursor_pos))
|
||
gtk_text_view_show_magnifier (text_view, &cursor, x, y);
|
||
else
|
||
gtk_text_view_show_magnifier (text_view, &bound, x, y);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_handle_drag_started (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
GtkTextView *text_view)
|
||
{
|
||
text_view->priv->cursor_handle_dragged = FALSE;
|
||
text_view->priv->selection_handle_dragged = FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_handle_drag_finished (GtkTextHandle *handle,
|
||
GtkTextHandlePosition pos,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (!priv->cursor_handle_dragged && !priv->selection_handle_dragged)
|
||
{
|
||
GtkTextBuffer *buffer;
|
||
GtkTextIter cursor, start, end;
|
||
GtkSettings *settings;
|
||
guint double_click_time;
|
||
|
||
settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
g_object_get (settings, "gtk-double-click-time", &double_click_time, NULL);
|
||
if (g_get_monotonic_time() - priv->handle_place_time < double_click_time * 1000)
|
||
{
|
||
buffer = get_buffer (text_view);
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
extend_selection (text_view, SELECT_WORDS, &cursor, &start, &end);
|
||
gtk_text_buffer_select_range (buffer, &start, &end);
|
||
|
||
gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
|
||
}
|
||
else
|
||
gtk_text_view_selection_bubble_popup_set (text_view);
|
||
}
|
||
|
||
if (priv->magnifier_popover)
|
||
gtk_widget_hide (priv->magnifier_popover);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_update_handles (GtkTextView *text_view,
|
||
GtkTextHandleMode mode)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
GtkTextIter cursor, bound, min, max;
|
||
GtkTextBuffer *buffer;
|
||
|
||
buffer = get_buffer (text_view);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &bound,
|
||
gtk_text_buffer_get_selection_bound (buffer));
|
||
|
||
if (mode == GTK_TEXT_HANDLE_MODE_SELECTION &&
|
||
gtk_text_iter_compare (&cursor, &bound) == 0)
|
||
{
|
||
mode = GTK_TEXT_HANDLE_MODE_CURSOR;
|
||
}
|
||
|
||
if (mode == GTK_TEXT_HANDLE_MODE_CURSOR &&
|
||
(!gtk_widget_is_sensitive (GTK_WIDGET (text_view)) || !priv->cursor_visible))
|
||
{
|
||
mode = GTK_TEXT_HANDLE_MODE_NONE;
|
||
}
|
||
|
||
_gtk_text_handle_set_mode (priv->text_handle, mode);
|
||
|
||
if (gtk_text_iter_compare (&cursor, &bound) >= 0)
|
||
{
|
||
min = bound;
|
||
max = cursor;
|
||
}
|
||
else
|
||
{
|
||
min = cursor;
|
||
max = bound;
|
||
}
|
||
|
||
if (mode != GTK_TEXT_HANDLE_MODE_NONE)
|
||
gtk_text_view_set_handle_position (text_view, &max,
|
||
GTK_TEXT_HANDLE_POSITION_SELECTION_END);
|
||
|
||
if (mode == GTK_TEXT_HANDLE_MODE_SELECTION)
|
||
gtk_text_view_set_handle_position (text_view, &min,
|
||
GTK_TEXT_HANDLE_POSITION_SELECTION_START);
|
||
}
|
||
|
||
static gint
|
||
gtk_text_view_event (GtkWidget *widget, GdkEvent *event)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
gint x = 0, y = 0;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout == NULL ||
|
||
get_buffer (text_view) == NULL)
|
||
return FALSE;
|
||
|
||
if (event->any.window != priv->text_window->bin_window)
|
||
return FALSE;
|
||
|
||
if (get_event_coordinates (event, &x, &y))
|
||
{
|
||
GtkTextIter iter;
|
||
|
||
x += priv->xoffset;
|
||
y += priv->yoffset;
|
||
|
||
/* FIXME this is slow and we do it twice per event.
|
||
* My favorite solution is to have GtkTextLayout cache
|
||
* the last couple lookups.
|
||
*/
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout,
|
||
&iter,
|
||
x, y);
|
||
|
||
return emit_event_on_tags (widget, event, &iter);
|
||
}
|
||
else if (event->type == GDK_KEY_PRESS ||
|
||
event->type == GDK_KEY_RELEASE)
|
||
{
|
||
GtkTextIter iter;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
return emit_event_on_tags (widget, event, &iter);
|
||
}
|
||
else
|
||
return FALSE;
|
||
}
|
||
|
||
static gint
|
||
gtk_text_view_key_press_event (GtkWidget *widget, GdkEventKey *event)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextMark *insert;
|
||
GtkTextIter iter;
|
||
gboolean can_insert;
|
||
gboolean retval = FALSE;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout == NULL || get_buffer (text_view) == NULL)
|
||
return FALSE;
|
||
|
||
priv->handling_key_event = TRUE;
|
||
|
||
/* Make sure input method knows where it is */
|
||
flush_update_im_spot_location (text_view);
|
||
|
||
insert = gtk_text_buffer_get_insert (get_buffer (text_view));
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
|
||
can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
|
||
if (gtk_im_context_filter_keypress (priv->im_context, event))
|
||
{
|
||
priv->need_im_reset = TRUE;
|
||
if (!can_insert)
|
||
gtk_text_view_reset_im_context (text_view);
|
||
retval = TRUE;
|
||
}
|
||
/* Binding set */
|
||
else if (GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_press_event (widget, event))
|
||
{
|
||
retval = TRUE;
|
||
}
|
||
/* use overall editability not can_insert, more predictable for users */
|
||
else if (priv->editable &&
|
||
(event->keyval == GDK_KEY_Return ||
|
||
event->keyval == GDK_KEY_ISO_Enter ||
|
||
event->keyval == GDK_KEY_KP_Enter))
|
||
{
|
||
/* this won't actually insert the newline if the cursor isn't
|
||
* editable
|
||
*/
|
||
gtk_text_view_reset_im_context (text_view);
|
||
gtk_text_view_commit_text (text_view, "\n");
|
||
retval = TRUE;
|
||
}
|
||
/* Pass through Tab as literal tab, unless Control is held down */
|
||
else if ((event->keyval == GDK_KEY_Tab ||
|
||
event->keyval == GDK_KEY_KP_Tab ||
|
||
event->keyval == GDK_KEY_ISO_Left_Tab) &&
|
||
!(event->state & GDK_CONTROL_MASK))
|
||
{
|
||
/* If the text widget isn't editable overall, or if the application
|
||
* has turned off "accepts_tab", move the focus instead
|
||
*/
|
||
if (priv->accepts_tab && priv->editable)
|
||
{
|
||
gtk_text_view_reset_im_context (text_view);
|
||
gtk_text_view_commit_text (text_view, "\t");
|
||
}
|
||
else
|
||
g_signal_emit_by_name (text_view, "move-focus",
|
||
(event->state & GDK_SHIFT_MASK) ?
|
||
GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD);
|
||
|
||
retval = TRUE;
|
||
}
|
||
else
|
||
retval = FALSE;
|
||
|
||
gtk_text_view_reset_blink_time (text_view);
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
|
||
if (!event->send_event && priv->text_handle)
|
||
_gtk_text_handle_set_mode (priv->text_handle,
|
||
GTK_TEXT_HANDLE_MODE_NONE);
|
||
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
|
||
priv->handling_key_event = FALSE;
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gint
|
||
gtk_text_view_key_release_event (GtkWidget *widget, GdkEventKey *event)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextMark *insert;
|
||
GtkTextIter iter;
|
||
gboolean retval = FALSE;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout == NULL || get_buffer (text_view) == NULL)
|
||
return FALSE;
|
||
|
||
priv->handling_key_event = TRUE;
|
||
|
||
insert = gtk_text_buffer_get_insert (get_buffer (text_view));
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
|
||
if (gtk_text_iter_can_insert (&iter, priv->editable) &&
|
||
gtk_im_context_filter_keypress (priv->im_context, event))
|
||
{
|
||
priv->need_im_reset = TRUE;
|
||
retval = TRUE;
|
||
}
|
||
else
|
||
retval = GTK_WIDGET_CLASS (gtk_text_view_parent_class)->key_release_event (widget, event);
|
||
|
||
priv->handling_key_event = FALSE;
|
||
|
||
return retval;
|
||
}
|
||
|
||
static gboolean
|
||
get_iter_from_gesture (GtkTextView *text_view,
|
||
GtkGesture *gesture,
|
||
GtkTextIter *iter,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
GdkEventSequence *sequence;
|
||
GtkTextViewPrivate *priv;
|
||
gint xcoord, ycoord;
|
||
gdouble px, py;
|
||
|
||
priv = text_view->priv;
|
||
sequence =
|
||
gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
|
||
|
||
if (!gtk_gesture_get_point (gesture, sequence, &px, &py))
|
||
return FALSE;
|
||
|
||
xcoord = px + priv->xoffset;
|
||
ycoord = py + priv->yoffset;
|
||
_widget_to_text_window_coords (text_view, &xcoord, &ycoord);
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout, iter, xcoord, ycoord);
|
||
|
||
if (x)
|
||
*x = xcoord;
|
||
if (y)
|
||
*y = ycoord;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_multipress_gesture_pressed (GtkGestureMultiPress *gesture,
|
||
gint n_press,
|
||
gdouble x,
|
||
gdouble y,
|
||
GtkTextView *text_view)
|
||
{
|
||
GdkEventSequence *sequence;
|
||
GtkTextViewPrivate *priv;
|
||
const GdkEvent *event;
|
||
gboolean is_touchscreen;
|
||
GdkDevice *device;
|
||
GtkTextIter iter;
|
||
guint button;
|
||
|
||
priv = text_view->priv;
|
||
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
|
||
button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture));
|
||
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (text_view));
|
||
|
||
if (gdk_event_get_window (event) != priv->text_window->bin_window)
|
||
{
|
||
/* Remove selection if any. */
|
||
gtk_text_view_unselect (text_view);
|
||
return;
|
||
}
|
||
|
||
gtk_gesture_set_sequence_state (GTK_GESTURE (gesture), sequence,
|
||
GTK_EVENT_SEQUENCE_CLAIMED);
|
||
gtk_text_view_reset_blink_time (text_view);
|
||
|
||
#if 0
|
||
/* debug hack */
|
||
if (event->button == GDK_BUTTON_SECONDARY && (event->state & GDK_CONTROL_MASK) != 0)
|
||
_gtk_text_buffer_spew (GTK_TEXT_VIEW (widget)->buffer);
|
||
else if (event->button == GDK_BUTTON_SECONDARY)
|
||
gtk_text_layout_spew (GTK_TEXT_VIEW (widget)->layout);
|
||
#endif
|
||
|
||
device = gdk_event_get_source_device ((GdkEvent *) event);
|
||
is_touchscreen = gtk_simulate_touchscreen () ||
|
||
gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN;
|
||
|
||
if (n_press == 1)
|
||
gtk_text_view_reset_im_context (text_view);
|
||
|
||
if (n_press == 1 &&
|
||
gdk_event_triggers_context_menu (event))
|
||
{
|
||
gtk_text_view_do_popup (text_view, event);
|
||
}
|
||
else if (button == GDK_BUTTON_MIDDLE &&
|
||
get_middle_click_paste (text_view))
|
||
{
|
||
/* We do not want to scroll back to the insert iter when we paste
|
||
with the middle button */
|
||
priv->scroll_after_paste = FALSE;
|
||
|
||
get_iter_from_gesture (text_view, priv->multipress_gesture,
|
||
&iter, NULL, NULL);
|
||
gtk_text_buffer_paste_clipboard (get_buffer (text_view),
|
||
gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_PRIMARY),
|
||
&iter,
|
||
priv->editable);
|
||
}
|
||
else if (button == GDK_BUTTON_PRIMARY)
|
||
{
|
||
GtkTextHandleMode handle_mode = GTK_TEXT_HANDLE_MODE_NONE;
|
||
gboolean extends = FALSE;
|
||
GdkModifierType state;
|
||
|
||
gdk_event_get_state (event, &state);
|
||
|
||
if (state &
|
||
gtk_widget_get_modifier_mask (GTK_WIDGET (text_view),
|
||
GDK_MODIFIER_INTENT_EXTEND_SELECTION))
|
||
extends = TRUE;
|
||
|
||
switch (n_press)
|
||
{
|
||
case 1:
|
||
{
|
||
/* If we're in the selection, start a drag copy/move of the
|
||
* selection; otherwise, start creating a new selection.
|
||
*/
|
||
GtkTextIter start, end;
|
||
|
||
if (is_touchscreen)
|
||
handle_mode = GTK_TEXT_HANDLE_MODE_CURSOR;
|
||
|
||
get_iter_from_gesture (text_view, priv->multipress_gesture,
|
||
&iter, NULL, NULL);
|
||
|
||
if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
|
||
&start, &end) &&
|
||
gtk_text_iter_in_range (&iter, &start, &end) && !extends)
|
||
{
|
||
if (is_touchscreen)
|
||
{
|
||
if (!priv->selection_bubble ||
|
||
!gtk_widget_get_visible (priv->selection_bubble))
|
||
{
|
||
gtk_text_view_selection_bubble_popup_set (text_view);
|
||
handle_mode = GTK_TEXT_HANDLE_MODE_NONE;
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
handle_mode = GTK_TEXT_HANDLE_MODE_SELECTION;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Claim the sequence on the drag gesture, but attach no
|
||
* selection data, this is a special case to start DnD.
|
||
*/
|
||
gtk_gesture_set_state (priv->drag_gesture,
|
||
GTK_EVENT_SEQUENCE_CLAIMED);
|
||
}
|
||
break;
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
|
||
if (is_touchscreen)
|
||
{
|
||
gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
|
||
priv->handle_place_time = g_get_monotonic_time ();
|
||
}
|
||
else
|
||
gtk_text_view_start_selection_drag (text_view, &iter,
|
||
SELECT_CHARACTERS, extends);
|
||
}
|
||
break;
|
||
}
|
||
case 2:
|
||
case 3:
|
||
if (is_touchscreen)
|
||
{
|
||
handle_mode = GTK_TEXT_HANDLE_MODE_SELECTION;
|
||
break;
|
||
}
|
||
gtk_text_view_end_selection_drag (text_view);
|
||
|
||
get_iter_from_gesture (text_view, priv->multipress_gesture,
|
||
&iter, NULL, NULL);
|
||
gtk_text_view_start_selection_drag (text_view, &iter,
|
||
n_press == 2 ? SELECT_WORDS : SELECT_LINES,
|
||
extends);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
_gtk_text_view_ensure_text_handles (text_view);
|
||
gtk_text_view_update_handles (text_view, handle_mode);
|
||
}
|
||
|
||
if (n_press >= 3)
|
||
gtk_event_controller_reset (GTK_EVENT_CONTROLLER (gesture));
|
||
}
|
||
|
||
static void
|
||
keymap_direction_changed (GdkKeymap *keymap,
|
||
GtkTextView *text_view)
|
||
{
|
||
gtk_text_view_check_keymap_direction (text_view);
|
||
}
|
||
|
||
static gint
|
||
gtk_text_view_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_widget_queue_draw (widget);
|
||
|
||
DV(g_print (G_STRLOC": focus_in_event\n"));
|
||
|
||
gtk_text_view_reset_blink_time (text_view);
|
||
|
||
if (priv->cursor_visible && priv->layout)
|
||
{
|
||
gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
}
|
||
|
||
g_signal_connect (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
|
||
"direction-changed",
|
||
G_CALLBACK (keymap_direction_changed), text_view);
|
||
gtk_text_view_check_keymap_direction (text_view);
|
||
|
||
if (priv->editable)
|
||
{
|
||
priv->need_im_reset = TRUE;
|
||
gtk_im_context_focus_in (priv->im_context);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gint
|
||
gtk_text_view_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_view_end_selection_drag (text_view);
|
||
|
||
gtk_widget_queue_draw (widget);
|
||
|
||
DV(g_print (G_STRLOC": focus_out_event\n"));
|
||
|
||
if (priv->cursor_visible && priv->layout)
|
||
{
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
|
||
}
|
||
|
||
g_signal_handlers_disconnect_by_func (gdk_keymap_get_for_display (gtk_widget_get_display (widget)),
|
||
keymap_direction_changed,
|
||
text_view);
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
|
||
if (priv->text_handle)
|
||
_gtk_text_handle_set_mode (priv->text_handle,
|
||
GTK_TEXT_HANDLE_MODE_NONE);
|
||
|
||
if (priv->editable)
|
||
{
|
||
priv->need_im_reset = TRUE;
|
||
gtk_im_context_focus_out (priv->im_context);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_motion_event (GtkWidget *widget, GdkEventMotion *event)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
|
||
gtk_text_view_unobscure_mouse_cursor (text_view);
|
||
|
||
return GTK_WIDGET_CLASS (gtk_text_view_parent_class)->motion_notify_event (widget, event);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_paint (GtkWidget *widget,
|
||
cairo_t *cr)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
g_return_if_fail (priv->layout != NULL);
|
||
g_return_if_fail (priv->xoffset >= - priv->left_padding);
|
||
g_return_if_fail (priv->yoffset >= - priv->top_border);
|
||
|
||
while (priv->first_validate_idle != 0)
|
||
{
|
||
DV (g_print (G_STRLOC": first_validate_idle: %d\n",
|
||
priv->first_validate_idle));
|
||
gtk_text_view_flush_first_validate (text_view);
|
||
}
|
||
|
||
if (!priv->onscreen_validated)
|
||
{
|
||
g_warning (G_STRLOC ": somehow some text lines were modified or scrolling occurred since the last validation of lines on the screen - may be a text widget bug.");
|
||
g_assert_not_reached ();
|
||
}
|
||
|
||
#if 0
|
||
printf ("painting %d,%d %d x %d\n",
|
||
area->x, area->y,
|
||
area->width, area->height);
|
||
#endif
|
||
|
||
cairo_save (cr);
|
||
cairo_translate (cr, -priv->xoffset, -priv->yoffset);
|
||
|
||
gtk_text_layout_draw (priv->layout,
|
||
widget,
|
||
cr,
|
||
NULL);
|
||
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
static void
|
||
draw_text (cairo_t *cr,
|
||
gpointer user_data)
|
||
{
|
||
GtkWidget *widget = user_data;
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
GtkStyleContext *context;
|
||
|
||
context = gtk_widget_get_style_context (widget);
|
||
gtk_style_context_save_to_node (context, text_view->priv->text_window->css_node);
|
||
gtk_render_background (context, cr,
|
||
-priv->xoffset, -priv->yoffset,
|
||
MAX (SCREEN_WIDTH (text_view), priv->width),
|
||
MAX (SCREEN_HEIGHT (text_view), priv->height));
|
||
gtk_style_context_restore (context);
|
||
|
||
if (GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer != NULL)
|
||
{
|
||
cairo_save (cr);
|
||
GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer (text_view, GTK_TEXT_VIEW_LAYER_BELOW, cr);
|
||
cairo_restore (cr);
|
||
|
||
cairo_save (cr);
|
||
cairo_translate (cr, -priv->xoffset, -priv->yoffset);
|
||
GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer (text_view, GTK_TEXT_VIEW_LAYER_BELOW_TEXT, cr);
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
gtk_text_view_paint (widget, cr);
|
||
|
||
if (GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer != NULL)
|
||
{
|
||
cairo_save (cr);
|
||
GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer (text_view, GTK_TEXT_VIEW_LAYER_ABOVE, cr);
|
||
cairo_restore (cr);
|
||
|
||
cairo_save (cr);
|
||
cairo_translate (cr, -priv->xoffset, -priv->yoffset);
|
||
GTK_TEXT_VIEW_GET_CLASS (text_view)->draw_layer (text_view, GTK_TEXT_VIEW_LAYER_ABOVE_TEXT, cr);
|
||
cairo_restore (cr);
|
||
}
|
||
}
|
||
|
||
static void
|
||
paint_border_window (GtkTextView *text_view,
|
||
cairo_t *cr,
|
||
GtkTextWindow *text_window,
|
||
GtkStyleContext *context)
|
||
{
|
||
GdkWindow *window;
|
||
|
||
if (text_window == NULL)
|
||
return;
|
||
|
||
window = gtk_text_view_get_window (text_view, text_window->type);
|
||
if (gtk_cairo_should_draw_window (cr, window))
|
||
{
|
||
gint w, h;
|
||
|
||
gtk_style_context_save_to_node (context, text_window->css_node);
|
||
|
||
w = gdk_window_get_width (window);
|
||
h = gdk_window_get_height (window);
|
||
|
||
cairo_save (cr);
|
||
gtk_cairo_transform_to_window (cr, GTK_WIDGET (text_view), window);
|
||
gtk_render_background (context, cr, 0, 0, w, h);
|
||
cairo_restore (cr);
|
||
|
||
gtk_style_context_restore (context);
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_draw (GtkWidget *widget,
|
||
cairo_t *cr)
|
||
{
|
||
GtkTextViewPrivate *priv = ((GtkTextView *)widget)->priv;
|
||
GSList *tmp_list;
|
||
GdkWindow *window;
|
||
GtkStyleContext *context;
|
||
|
||
context = gtk_widget_get_style_context (widget);
|
||
|
||
text_window_set_padding (GTK_TEXT_VIEW (widget), context);
|
||
|
||
if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)))
|
||
{
|
||
gtk_render_background (context, cr,
|
||
0, 0,
|
||
gtk_widget_get_allocated_width (widget),
|
||
gtk_widget_get_allocated_height (widget));
|
||
}
|
||
|
||
window = gtk_text_view_get_window (GTK_TEXT_VIEW (widget),
|
||
GTK_TEXT_WINDOW_TEXT);
|
||
if (gtk_cairo_should_draw_window (cr, window))
|
||
{
|
||
cairo_rectangle_int_t view_rect;
|
||
cairo_rectangle_int_t canvas_rect;
|
||
GtkAllocation alloc;
|
||
|
||
DV(g_print (">Exposed ("G_STRLOC")\n"));
|
||
|
||
gtk_widget_get_allocation (widget, &alloc);
|
||
|
||
view_rect.x = 0;
|
||
view_rect.y = 0;
|
||
view_rect.width = gdk_window_get_width (window);
|
||
view_rect.height = gdk_window_get_height (window);
|
||
|
||
canvas_rect.x = -gtk_adjustment_get_value (priv->hadjustment);
|
||
canvas_rect.y = -gtk_adjustment_get_value (priv->vadjustment);
|
||
canvas_rect.width = priv->width;
|
||
canvas_rect.height = priv->height;
|
||
|
||
cairo_save (cr);
|
||
gtk_cairo_transform_to_window (cr, widget, window);
|
||
_gtk_pixel_cache_draw (priv->pixel_cache, cr, window,
|
||
&view_rect, &canvas_rect,
|
||
draw_text, widget);
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
paint_border_window (GTK_TEXT_VIEW (widget), cr, priv->left_window, context);
|
||
paint_border_window (GTK_TEXT_VIEW (widget), cr, priv->right_window, context);
|
||
paint_border_window (GTK_TEXT_VIEW (widget), cr, priv->top_window, context);
|
||
paint_border_window (GTK_TEXT_VIEW (widget), cr, priv->bottom_window, context);
|
||
|
||
/* Propagate exposes to all unanchored children.
|
||
* Anchored children are handled in gtk_text_view_paint().
|
||
*/
|
||
tmp_list = GTK_TEXT_VIEW (widget)->priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *vc = tmp_list->data;
|
||
|
||
/* propagate_draw checks that event->window matches
|
||
* child->window
|
||
*/
|
||
gtk_container_propagate_draw (GTK_CONTAINER (widget),
|
||
vc->widget,
|
||
cr);
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_focus (GtkWidget *widget,
|
||
GtkDirectionType direction)
|
||
{
|
||
GtkContainer *container;
|
||
gboolean result;
|
||
|
||
container = GTK_CONTAINER (widget);
|
||
|
||
if (!gtk_widget_is_focus (widget) &&
|
||
gtk_container_get_focus_child (container) == NULL)
|
||
{
|
||
if (gtk_widget_get_can_focus (widget))
|
||
{
|
||
gtk_widget_grab_focus (widget);
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
else
|
||
{
|
||
gboolean can_focus;
|
||
/*
|
||
* Unset CAN_FOCUS flag so that gtk_container_focus() allows
|
||
* children to get the focus
|
||
*/
|
||
can_focus = gtk_widget_get_can_focus (widget);
|
||
gtk_widget_set_can_focus (widget, FALSE);
|
||
result = GTK_WIDGET_CLASS (gtk_text_view_parent_class)->focus (widget, direction);
|
||
gtk_widget_set_can_focus (widget, can_focus);
|
||
|
||
return result;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Container
|
||
*/
|
||
|
||
static void
|
||
gtk_text_view_add (GtkContainer *container,
|
||
GtkWidget *child)
|
||
{
|
||
/* This is pretty random. */
|
||
gtk_text_view_add_child_in_window (GTK_TEXT_VIEW (container),
|
||
child,
|
||
GTK_TEXT_WINDOW_WIDGET,
|
||
0, 0);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_remove (GtkContainer *container,
|
||
GtkWidget *child)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextViewChild *vc;
|
||
GSList *iter;
|
||
|
||
text_view = GTK_TEXT_VIEW (container);
|
||
priv = text_view->priv;
|
||
|
||
vc = NULL;
|
||
iter = priv->children;
|
||
|
||
while (iter != NULL)
|
||
{
|
||
vc = iter->data;
|
||
|
||
if (vc->widget == child)
|
||
break;
|
||
|
||
iter = iter->next;
|
||
}
|
||
|
||
g_assert (iter != NULL); /* be sure we had the child in the list */
|
||
|
||
priv->children = g_slist_remove (priv->children, vc);
|
||
|
||
gtk_widget_unparent (vc->widget);
|
||
|
||
text_view_child_free (vc);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_forall (GtkContainer *container,
|
||
gboolean include_internals,
|
||
GtkCallback callback,
|
||
gpointer callback_data)
|
||
{
|
||
GSList *iter;
|
||
GtkTextView *text_view;
|
||
GSList *copy;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (container));
|
||
g_return_if_fail (callback != NULL);
|
||
|
||
text_view = GTK_TEXT_VIEW (container);
|
||
|
||
copy = g_slist_copy (text_view->priv->children);
|
||
iter = copy;
|
||
|
||
while (iter != NULL)
|
||
{
|
||
GtkTextViewChild *vc = iter->data;
|
||
|
||
(* callback) (vc->widget, callback_data);
|
||
|
||
iter = iter->next;
|
||
}
|
||
|
||
g_slist_free (copy);
|
||
}
|
||
|
||
#define CURSOR_ON_MULTIPLIER 2
|
||
#define CURSOR_OFF_MULTIPLIER 1
|
||
#define CURSOR_PEND_MULTIPLIER 3
|
||
#define CURSOR_DIVIDER 3
|
||
|
||
static gboolean
|
||
cursor_blinks (GtkTextView *text_view)
|
||
{
|
||
GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
gboolean blink;
|
||
|
||
#ifdef DEBUG_VALIDATION_AND_SCROLLING
|
||
return FALSE;
|
||
#endif
|
||
#ifdef G_ENABLE_DEBUG
|
||
if (GTK_DEBUG_CHECK (UPDATES))
|
||
return FALSE;
|
||
#endif
|
||
|
||
g_object_get (settings, "gtk-cursor-blink", &blink, NULL);
|
||
|
||
if (!blink)
|
||
return FALSE;
|
||
|
||
if (text_view->priv->editable)
|
||
{
|
||
GtkTextMark *insert;
|
||
GtkTextIter iter;
|
||
|
||
insert = gtk_text_buffer_get_insert (get_buffer (text_view));
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter, insert);
|
||
|
||
if (gtk_text_iter_editable (&iter, text_view->priv->editable))
|
||
return blink;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
get_middle_click_paste (GtkTextView *text_view)
|
||
{
|
||
GtkSettings *settings;
|
||
gboolean paste;
|
||
|
||
settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
g_object_get (settings, "gtk-enable-primary-paste", &paste, NULL);
|
||
|
||
return paste;
|
||
}
|
||
|
||
static gint
|
||
get_cursor_time (GtkTextView *text_view)
|
||
{
|
||
GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
gint time;
|
||
|
||
g_object_get (settings, "gtk-cursor-blink-time", &time, NULL);
|
||
|
||
return time;
|
||
}
|
||
|
||
static gint
|
||
get_cursor_blink_timeout (GtkTextView *text_view)
|
||
{
|
||
GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
gint time;
|
||
|
||
g_object_get (settings, "gtk-cursor-blink-timeout", &time, NULL);
|
||
|
||
return time;
|
||
}
|
||
|
||
|
||
/*
|
||
* Blink!
|
||
*/
|
||
|
||
static gint
|
||
blink_cb (gpointer data)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
gboolean visible;
|
||
gint blink_timeout;
|
||
|
||
text_view = GTK_TEXT_VIEW (data);
|
||
priv = text_view->priv;
|
||
|
||
if (!gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
{
|
||
g_warning ("GtkTextView - did not receive focus-out-event. If you\n"
|
||
"connect a handler to this signal, it must return\n"
|
||
"FALSE so the text view gets the event as well");
|
||
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
g_assert (priv->layout);
|
||
g_assert (priv->cursor_visible);
|
||
|
||
visible = gtk_text_layout_get_cursor_visible (priv->layout);
|
||
|
||
blink_timeout = get_cursor_blink_timeout (text_view);
|
||
if (priv->blink_time > 1000 * blink_timeout &&
|
||
blink_timeout < G_MAXINT/1000)
|
||
{
|
||
/* we've blinked enough without the user doing anything, stop blinking */
|
||
visible = 0;
|
||
priv->blink_timeout = 0;
|
||
}
|
||
else if (visible)
|
||
{
|
||
priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
|
||
blink_cb,
|
||
text_view);
|
||
g_source_set_name_by_id (priv->blink_timeout, "[gtk+] blink_cb");
|
||
}
|
||
else
|
||
{
|
||
priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_ON_MULTIPLIER / CURSOR_DIVIDER,
|
||
blink_cb,
|
||
text_view);
|
||
g_source_set_name_by_id (priv->blink_timeout, "[gtk+] blink_cb");
|
||
priv->blink_time += get_cursor_time (text_view);
|
||
}
|
||
|
||
/* Block changed_handler while changing the layout's cursor visibility
|
||
* because it would expose the whole paragraph. Instead, we expose
|
||
* the cursor's area(s) manually below.
|
||
*/
|
||
g_signal_handlers_block_by_func (priv->layout,
|
||
changed_handler,
|
||
text_view);
|
||
gtk_text_layout_set_cursor_visible (priv->layout, !visible);
|
||
g_signal_handlers_unblock_by_func (priv->layout,
|
||
changed_handler,
|
||
text_view);
|
||
|
||
text_window_invalidate_cursors (priv->text_window);
|
||
|
||
/* Remove ourselves */
|
||
return FALSE;
|
||
}
|
||
|
||
|
||
static void
|
||
gtk_text_view_stop_cursor_blink (GtkTextView *text_view)
|
||
{
|
||
if (text_view->priv->blink_timeout)
|
||
{
|
||
g_source_remove (text_view->priv->blink_timeout);
|
||
text_view->priv->blink_timeout = 0;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_check_cursor_blink (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->layout != NULL &&
|
||
priv->cursor_visible &&
|
||
gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
{
|
||
if (cursor_blinks (text_view))
|
||
{
|
||
if (priv->blink_timeout == 0)
|
||
{
|
||
gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
|
||
|
||
priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_OFF_MULTIPLIER / CURSOR_DIVIDER,
|
||
blink_cb,
|
||
text_view);
|
||
g_source_set_name_by_id (priv->blink_timeout, "[gtk+] blink_cb");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_stop_cursor_blink (text_view);
|
||
gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_stop_cursor_blink (text_view);
|
||
gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_pend_cursor_blink (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->layout != NULL &&
|
||
priv->cursor_visible &&
|
||
gtk_widget_has_focus (GTK_WIDGET (text_view)) &&
|
||
cursor_blinks (text_view))
|
||
{
|
||
gtk_text_view_stop_cursor_blink (text_view);
|
||
gtk_text_layout_set_cursor_visible (priv->layout, TRUE);
|
||
|
||
priv->blink_timeout = gdk_threads_add_timeout (get_cursor_time (text_view) * CURSOR_PEND_MULTIPLIER / CURSOR_DIVIDER,
|
||
blink_cb,
|
||
text_view);
|
||
g_source_set_name_by_id (priv->blink_timeout, "[gtk+] blink_cb");
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_reset_blink_time (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
priv->blink_time = 0;
|
||
}
|
||
|
||
|
||
/*
|
||
* Key binding handlers
|
||
*/
|
||
|
||
static gboolean
|
||
gtk_text_view_move_iter_by_lines (GtkTextView *text_view,
|
||
GtkTextIter *newplace,
|
||
gint count)
|
||
{
|
||
gboolean ret = TRUE;
|
||
|
||
while (count < 0)
|
||
{
|
||
ret = gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, newplace);
|
||
count++;
|
||
}
|
||
|
||
while (count > 0)
|
||
{
|
||
ret = gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, newplace);
|
||
count--;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
static void
|
||
move_cursor (GtkTextView *text_view,
|
||
const GtkTextIter *new_location,
|
||
gboolean extend_selection)
|
||
{
|
||
if (extend_selection)
|
||
gtk_text_buffer_move_mark_by_name (get_buffer (text_view),
|
||
"insert",
|
||
new_location);
|
||
else
|
||
gtk_text_buffer_place_cursor (get_buffer (text_view),
|
||
new_location);
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_move_cursor (GtkTextView *text_view,
|
||
GtkMovementStep step,
|
||
gint count,
|
||
gboolean extend_selection)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter insert;
|
||
GtkTextIter newplace;
|
||
gboolean cancel_selection = FALSE;
|
||
gint cursor_x_pos = 0;
|
||
GtkDirectionType leave_direction = -1;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (!priv->cursor_visible)
|
||
{
|
||
GtkScrollStep scroll_step;
|
||
gdouble old_xpos, old_ypos;
|
||
|
||
switch (step)
|
||
{
|
||
case GTK_MOVEMENT_VISUAL_POSITIONS:
|
||
leave_direction = count > 0 ? GTK_DIR_RIGHT : GTK_DIR_LEFT;
|
||
/* fall through */
|
||
case GTK_MOVEMENT_LOGICAL_POSITIONS:
|
||
case GTK_MOVEMENT_WORDS:
|
||
scroll_step = GTK_SCROLL_HORIZONTAL_STEPS;
|
||
break;
|
||
case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
|
||
scroll_step = GTK_SCROLL_HORIZONTAL_ENDS;
|
||
break;
|
||
case GTK_MOVEMENT_DISPLAY_LINES:
|
||
leave_direction = count > 0 ? GTK_DIR_DOWN : GTK_DIR_UP;
|
||
/* fall through */
|
||
case GTK_MOVEMENT_PARAGRAPHS:
|
||
case GTK_MOVEMENT_PARAGRAPH_ENDS:
|
||
scroll_step = GTK_SCROLL_STEPS;
|
||
break;
|
||
case GTK_MOVEMENT_PAGES:
|
||
scroll_step = GTK_SCROLL_PAGES;
|
||
break;
|
||
case GTK_MOVEMENT_HORIZONTAL_PAGES:
|
||
scroll_step = GTK_SCROLL_HORIZONTAL_PAGES;
|
||
break;
|
||
case GTK_MOVEMENT_BUFFER_ENDS:
|
||
scroll_step = GTK_SCROLL_ENDS;
|
||
break;
|
||
default:
|
||
scroll_step = GTK_SCROLL_PAGES;
|
||
break;
|
||
}
|
||
|
||
old_xpos = gtk_adjustment_get_value (priv->hadjustment);
|
||
old_ypos = gtk_adjustment_get_value (priv->vadjustment);
|
||
gtk_text_view_move_viewport (text_view, scroll_step, count);
|
||
if ((old_xpos == gtk_adjustment_get_target_value (priv->hadjustment) &&
|
||
old_ypos == gtk_adjustment_get_target_value (priv->vadjustment)) &&
|
||
leave_direction != (GtkDirectionType)-1 &&
|
||
!gtk_widget_keynav_failed (GTK_WIDGET (text_view),
|
||
leave_direction))
|
||
{
|
||
g_signal_emit_by_name (text_view, "move-focus", leave_direction);
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
gtk_text_view_reset_im_context (text_view);
|
||
|
||
if (step == GTK_MOVEMENT_PAGES)
|
||
{
|
||
if (!gtk_text_view_scroll_pages (text_view, count, extend_selection))
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
return;
|
||
}
|
||
else if (step == GTK_MOVEMENT_HORIZONTAL_PAGES)
|
||
{
|
||
if (!gtk_text_view_scroll_hpages (text_view, count, extend_selection))
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
return;
|
||
}
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
if (! extend_selection)
|
||
{
|
||
GtkTextIter sel_bound;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &sel_bound,
|
||
gtk_text_buffer_get_selection_bound (get_buffer (text_view)));
|
||
|
||
/* if we move forward, assume the cursor is at the end of the selection;
|
||
* if we move backward, assume the cursor is at the start
|
||
*/
|
||
if (count > 0)
|
||
gtk_text_iter_order (&sel_bound, &insert);
|
||
else
|
||
gtk_text_iter_order (&insert, &sel_bound);
|
||
|
||
/* if we actually have a selection, just move *to* the beginning/end
|
||
* of the selection and not *from* there on LOGICAL_POSITIONS
|
||
* and VISUAL_POSITIONS movement
|
||
*/
|
||
if (! gtk_text_iter_equal (&sel_bound, &insert))
|
||
cancel_selection = TRUE;
|
||
}
|
||
|
||
newplace = insert;
|
||
|
||
if (step == GTK_MOVEMENT_DISPLAY_LINES)
|
||
gtk_text_view_get_virtual_cursor_pos (text_view, &insert, &cursor_x_pos, NULL);
|
||
|
||
switch (step)
|
||
{
|
||
case GTK_MOVEMENT_LOGICAL_POSITIONS:
|
||
if (! cancel_selection)
|
||
gtk_text_iter_forward_visible_cursor_positions (&newplace, count);
|
||
break;
|
||
|
||
case GTK_MOVEMENT_VISUAL_POSITIONS:
|
||
if (! cancel_selection)
|
||
gtk_text_layout_move_iter_visually (priv->layout,
|
||
&newplace, count);
|
||
break;
|
||
|
||
case GTK_MOVEMENT_WORDS:
|
||
if (count < 0)
|
||
gtk_text_iter_backward_visible_word_starts (&newplace, -count);
|
||
else if (count > 0)
|
||
{
|
||
if (!gtk_text_iter_forward_visible_word_ends (&newplace, count))
|
||
gtk_text_iter_forward_to_line_end (&newplace);
|
||
}
|
||
break;
|
||
|
||
case GTK_MOVEMENT_DISPLAY_LINES:
|
||
if (count < 0)
|
||
{
|
||
leave_direction = GTK_DIR_UP;
|
||
|
||
if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
|
||
gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
|
||
else
|
||
gtk_text_iter_set_line_offset (&newplace, 0);
|
||
}
|
||
if (count > 0)
|
||
{
|
||
leave_direction = GTK_DIR_DOWN;
|
||
|
||
if (gtk_text_view_move_iter_by_lines (text_view, &newplace, count))
|
||
gtk_text_layout_move_iter_to_x (priv->layout, &newplace, cursor_x_pos);
|
||
else
|
||
gtk_text_iter_forward_to_line_end (&newplace);
|
||
}
|
||
break;
|
||
|
||
case GTK_MOVEMENT_DISPLAY_LINE_ENDS:
|
||
if (count > 1)
|
||
gtk_text_view_move_iter_by_lines (text_view, &newplace, --count);
|
||
else if (count < -1)
|
||
gtk_text_view_move_iter_by_lines (text_view, &newplace, ++count);
|
||
|
||
if (count != 0)
|
||
gtk_text_layout_move_iter_to_line_end (priv->layout, &newplace, count);
|
||
break;
|
||
|
||
case GTK_MOVEMENT_PARAGRAPHS:
|
||
if (count > 0)
|
||
{
|
||
if (!gtk_text_iter_ends_line (&newplace))
|
||
{
|
||
gtk_text_iter_forward_to_line_end (&newplace);
|
||
--count;
|
||
}
|
||
gtk_text_iter_forward_visible_lines (&newplace, count);
|
||
gtk_text_iter_forward_to_line_end (&newplace);
|
||
}
|
||
else if (count < 0)
|
||
{
|
||
if (gtk_text_iter_get_line_offset (&newplace) > 0)
|
||
gtk_text_iter_set_line_offset (&newplace, 0);
|
||
gtk_text_iter_forward_visible_lines (&newplace, count);
|
||
gtk_text_iter_set_line_offset (&newplace, 0);
|
||
}
|
||
break;
|
||
|
||
case GTK_MOVEMENT_PARAGRAPH_ENDS:
|
||
if (count > 0)
|
||
{
|
||
if (!gtk_text_iter_ends_line (&newplace))
|
||
gtk_text_iter_forward_to_line_end (&newplace);
|
||
}
|
||
else if (count < 0)
|
||
{
|
||
gtk_text_iter_set_line_offset (&newplace, 0);
|
||
}
|
||
break;
|
||
|
||
case GTK_MOVEMENT_BUFFER_ENDS:
|
||
if (count > 0)
|
||
gtk_text_buffer_get_end_iter (get_buffer (text_view), &newplace);
|
||
else if (count < 0)
|
||
gtk_text_buffer_get_iter_at_offset (get_buffer (text_view), &newplace, 0);
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
/* call move_cursor() even if the cursor hasn't moved, since it
|
||
cancels the selection
|
||
*/
|
||
move_cursor (text_view, &newplace, extend_selection);
|
||
|
||
if (!gtk_text_iter_equal (&insert, &newplace))
|
||
{
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
if (step == GTK_MOVEMENT_DISPLAY_LINES)
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, -1);
|
||
}
|
||
else if (leave_direction != (GtkDirectionType)-1)
|
||
{
|
||
if (!gtk_widget_keynav_failed (GTK_WIDGET (text_view),
|
||
leave_direction))
|
||
{
|
||
g_signal_emit_by_name (text_view, "move-focus", leave_direction);
|
||
}
|
||
}
|
||
else if (! cancel_selection)
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_move_viewport (GtkTextView *text_view,
|
||
GtkScrollStep step,
|
||
gint count)
|
||
{
|
||
GtkAdjustment *adjustment;
|
||
gdouble increment;
|
||
|
||
switch (step)
|
||
{
|
||
case GTK_SCROLL_STEPS:
|
||
case GTK_SCROLL_PAGES:
|
||
case GTK_SCROLL_ENDS:
|
||
adjustment = text_view->priv->vadjustment;
|
||
break;
|
||
case GTK_SCROLL_HORIZONTAL_STEPS:
|
||
case GTK_SCROLL_HORIZONTAL_PAGES:
|
||
case GTK_SCROLL_HORIZONTAL_ENDS:
|
||
adjustment = text_view->priv->hadjustment;
|
||
break;
|
||
default:
|
||
adjustment = text_view->priv->vadjustment;
|
||
break;
|
||
}
|
||
|
||
switch (step)
|
||
{
|
||
case GTK_SCROLL_STEPS:
|
||
case GTK_SCROLL_HORIZONTAL_STEPS:
|
||
increment = gtk_adjustment_get_step_increment (adjustment);
|
||
break;
|
||
case GTK_SCROLL_PAGES:
|
||
case GTK_SCROLL_HORIZONTAL_PAGES:
|
||
increment = gtk_adjustment_get_page_increment (adjustment);
|
||
break;
|
||
case GTK_SCROLL_ENDS:
|
||
case GTK_SCROLL_HORIZONTAL_ENDS:
|
||
increment = gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_lower (adjustment);
|
||
break;
|
||
default:
|
||
increment = 0.0;
|
||
break;
|
||
}
|
||
|
||
gtk_adjustment_animate_to_value (adjustment, gtk_adjustment_get_value (adjustment) + count * increment);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_anchor (GtkTextView *text_view)
|
||
{
|
||
GtkTextIter insert;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
gtk_text_buffer_create_mark (get_buffer (text_view), "anchor", &insert, TRUE);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_scroll_pages (GtkTextView *text_view,
|
||
gint count,
|
||
gboolean extend_selection)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkAdjustment *adjustment;
|
||
gint cursor_x_pos, cursor_y_pos;
|
||
GtkTextMark *insert_mark;
|
||
GtkTextIter old_insert;
|
||
GtkTextIter new_insert;
|
||
GtkTextIter anchor;
|
||
gdouble newval;
|
||
gdouble oldval;
|
||
gint y0, y1;
|
||
|
||
priv = text_view->priv;
|
||
|
||
g_return_val_if_fail (priv->vadjustment != NULL, FALSE);
|
||
|
||
adjustment = priv->vadjustment;
|
||
|
||
insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
|
||
|
||
/* Make sure we start from the current cursor position, even
|
||
* if it was offscreen, but don't queue more scrolls if we're
|
||
* already behind.
|
||
*/
|
||
if (priv->pending_scroll)
|
||
cancel_pending_scroll (text_view);
|
||
else
|
||
gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
|
||
|
||
/* Validate the region that will be brought into view by the cursor motion
|
||
*/
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&old_insert, insert_mark);
|
||
|
||
if (count < 0)
|
||
{
|
||
gtk_text_view_get_first_para_iter (text_view, &anchor);
|
||
y0 = gtk_adjustment_get_page_size (adjustment);
|
||
y1 = gtk_adjustment_get_page_size (adjustment) + count * gtk_adjustment_get_page_increment (adjustment);
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_get_first_para_iter (text_view, &anchor);
|
||
y0 = count * gtk_adjustment_get_page_increment (adjustment) + gtk_adjustment_get_page_size (adjustment);
|
||
y1 = 0;
|
||
}
|
||
|
||
gtk_text_layout_validate_yrange (priv->layout, &anchor, y0, y1);
|
||
/* FIXME do we need to update the adjustment ranges here? */
|
||
|
||
new_insert = old_insert;
|
||
|
||
if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
|
||
{
|
||
/* already at top, just be sure we are at offset 0 */
|
||
gtk_text_buffer_get_start_iter (get_buffer (text_view), &new_insert);
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
}
|
||
else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
|
||
{
|
||
/* already at bottom, just be sure we are at the end */
|
||
gtk_text_buffer_get_end_iter (get_buffer (text_view), &new_insert);
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
|
||
|
||
oldval = newval = gtk_adjustment_get_target_value (adjustment);
|
||
newval += count * gtk_adjustment_get_page_increment (adjustment);
|
||
|
||
gtk_adjustment_animate_to_value (adjustment, newval);
|
||
cursor_y_pos += newval - oldval;
|
||
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
|
||
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
|
||
}
|
||
|
||
/* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
|
||
* only guarantees 1 pixel onscreen.
|
||
*/
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
|
||
return !gtk_text_iter_equal (&old_insert, &new_insert);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_scroll_hpages (GtkTextView *text_view,
|
||
gint count,
|
||
gboolean extend_selection)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkAdjustment *adjustment;
|
||
gint cursor_x_pos, cursor_y_pos;
|
||
GtkTextMark *insert_mark;
|
||
GtkTextIter old_insert;
|
||
GtkTextIter new_insert;
|
||
gdouble newval;
|
||
gdouble oldval;
|
||
gint y, height;
|
||
|
||
priv = text_view->priv;
|
||
|
||
g_return_val_if_fail (priv->hadjustment != NULL, FALSE);
|
||
|
||
adjustment = priv->hadjustment;
|
||
|
||
insert_mark = gtk_text_buffer_get_insert (get_buffer (text_view));
|
||
|
||
/* Make sure we start from the current cursor position, even
|
||
* if it was offscreen, but don't queue more scrolls if we're
|
||
* already behind.
|
||
*/
|
||
if (priv->pending_scroll)
|
||
cancel_pending_scroll (text_view);
|
||
else
|
||
gtk_text_view_scroll_mark_onscreen (text_view, insert_mark);
|
||
|
||
/* Validate the line that we're moving within.
|
||
*/
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&old_insert, insert_mark);
|
||
|
||
gtk_text_layout_get_line_yrange (priv->layout, &old_insert, &y, &height);
|
||
gtk_text_layout_validate_yrange (priv->layout, &old_insert, y, y + height);
|
||
/* FIXME do we need to update the adjustment ranges here? */
|
||
|
||
new_insert = old_insert;
|
||
|
||
if (count < 0 && gtk_adjustment_get_value (adjustment) <= (gtk_adjustment_get_lower (adjustment) + 1e-12))
|
||
{
|
||
/* already at far left, just be sure we are at offset 0 */
|
||
gtk_text_iter_set_line_offset (&new_insert, 0);
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
}
|
||
else if (count > 0 && gtk_adjustment_get_value (adjustment) >= (gtk_adjustment_get_upper (adjustment) - gtk_adjustment_get_page_size (adjustment) - 1e-12))
|
||
{
|
||
/* already at far right, just be sure we are at the end */
|
||
if (!gtk_text_iter_ends_line (&new_insert))
|
||
gtk_text_iter_forward_to_line_end (&new_insert);
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_get_virtual_cursor_pos (text_view, NULL, &cursor_x_pos, &cursor_y_pos);
|
||
|
||
oldval = newval = gtk_adjustment_get_target_value (adjustment);
|
||
newval += count * gtk_adjustment_get_page_increment (adjustment);
|
||
|
||
gtk_adjustment_animate_to_value (adjustment, newval);
|
||
cursor_x_pos += newval - oldval;
|
||
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout, &new_insert, cursor_x_pos, cursor_y_pos);
|
||
move_cursor (text_view, &new_insert, extend_selection);
|
||
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, cursor_x_pos, cursor_y_pos);
|
||
}
|
||
|
||
/* FIXME for lines shorter than the overall widget width, this results in a
|
||
* "bounce" effect as we scroll to the right of the widget, then scroll
|
||
* back to get the end of the line onscreen.
|
||
* http://bugzilla.gnome.org/show_bug.cgi?id=68963
|
||
*/
|
||
|
||
/* Adjust to have the cursor _entirely_ onscreen, move_mark_onscreen
|
||
* only guarantees 1 pixel onscreen.
|
||
*/
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
|
||
return !gtk_text_iter_equal (&old_insert, &new_insert);
|
||
}
|
||
|
||
static gboolean
|
||
whitespace (gunichar ch, gpointer user_data)
|
||
{
|
||
return (ch == ' ' || ch == '\t');
|
||
}
|
||
|
||
static gboolean
|
||
not_whitespace (gunichar ch, gpointer user_data)
|
||
{
|
||
return !whitespace (ch, user_data);
|
||
}
|
||
|
||
static gboolean
|
||
find_whitepace_region (const GtkTextIter *center,
|
||
GtkTextIter *start, GtkTextIter *end)
|
||
{
|
||
*start = *center;
|
||
*end = *center;
|
||
|
||
if (gtk_text_iter_backward_find_char (start, not_whitespace, NULL, NULL))
|
||
gtk_text_iter_forward_char (start); /* we want the first whitespace... */
|
||
if (whitespace (gtk_text_iter_get_char (end), NULL))
|
||
gtk_text_iter_forward_find_char (end, not_whitespace, NULL, NULL);
|
||
|
||
return !gtk_text_iter_equal (start, end);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_insert_at_cursor (GtkTextView *text_view,
|
||
const gchar *str)
|
||
{
|
||
if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
|
||
text_view->priv->editable))
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_delete_from_cursor (GtkTextView *text_view,
|
||
GtkDeleteType type,
|
||
gint count)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter insert;
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
gboolean leave_one = FALSE;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_view_reset_im_context (text_view);
|
||
|
||
if (type == GTK_DELETE_CHARS)
|
||
{
|
||
/* Char delete deletes the selection, if one exists */
|
||
if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
|
||
priv->editable))
|
||
return;
|
||
}
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
start = insert;
|
||
end = insert;
|
||
|
||
switch (type)
|
||
{
|
||
case GTK_DELETE_CHARS:
|
||
gtk_text_iter_forward_cursor_positions (&end, count);
|
||
break;
|
||
|
||
case GTK_DELETE_WORD_ENDS:
|
||
if (count > 0)
|
||
gtk_text_iter_forward_word_ends (&end, count);
|
||
else if (count < 0)
|
||
gtk_text_iter_backward_word_starts (&start, 0 - count);
|
||
break;
|
||
|
||
case GTK_DELETE_WORDS:
|
||
break;
|
||
|
||
case GTK_DELETE_DISPLAY_LINE_ENDS:
|
||
break;
|
||
|
||
case GTK_DELETE_DISPLAY_LINES:
|
||
break;
|
||
|
||
case GTK_DELETE_PARAGRAPH_ENDS:
|
||
if (count > 0)
|
||
{
|
||
/* If we're already at a newline, we need to
|
||
* simply delete that newline, instead of
|
||
* moving to the next one.
|
||
*/
|
||
if (gtk_text_iter_ends_line (&end))
|
||
{
|
||
gtk_text_iter_forward_line (&end);
|
||
--count;
|
||
}
|
||
|
||
while (count > 0)
|
||
{
|
||
if (!gtk_text_iter_forward_to_line_end (&end))
|
||
break;
|
||
|
||
--count;
|
||
}
|
||
}
|
||
else if (count < 0)
|
||
{
|
||
if (gtk_text_iter_starts_line (&start))
|
||
{
|
||
gtk_text_iter_backward_line (&start);
|
||
if (!gtk_text_iter_ends_line (&end))
|
||
gtk_text_iter_forward_to_line_end (&start);
|
||
}
|
||
else
|
||
{
|
||
gtk_text_iter_set_line_offset (&start, 0);
|
||
}
|
||
++count;
|
||
|
||
gtk_text_iter_backward_lines (&start, -count);
|
||
}
|
||
break;
|
||
|
||
case GTK_DELETE_PARAGRAPHS:
|
||
if (count > 0)
|
||
{
|
||
gtk_text_iter_set_line_offset (&start, 0);
|
||
gtk_text_iter_forward_to_line_end (&end);
|
||
|
||
/* Do the lines beyond the first. */
|
||
while (count > 1)
|
||
{
|
||
gtk_text_iter_forward_to_line_end (&end);
|
||
|
||
--count;
|
||
}
|
||
}
|
||
|
||
/* FIXME negative count? */
|
||
|
||
break;
|
||
|
||
case GTK_DELETE_WHITESPACE:
|
||
{
|
||
find_whitepace_region (&insert, &start, &end);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (!gtk_text_iter_equal (&start, &end))
|
||
{
|
||
gtk_text_buffer_begin_user_action (get_buffer (text_view));
|
||
|
||
if (gtk_text_buffer_delete_interactive (get_buffer (text_view), &start, &end,
|
||
priv->editable))
|
||
{
|
||
if (leave_one)
|
||
gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view),
|
||
" ", 1,
|
||
priv->editable);
|
||
}
|
||
else
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
|
||
gtk_text_buffer_end_user_action (get_buffer (text_view));
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
|
||
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
}
|
||
else
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_backspace (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter insert;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_view_reset_im_context (text_view);
|
||
|
||
/* Backspace deletes the selection, if one exists */
|
||
if (gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
|
||
priv->editable))
|
||
return;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
if (gtk_text_buffer_backspace (get_buffer (text_view), &insert,
|
||
TRUE, priv->editable))
|
||
{
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
}
|
||
else
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_cut_clipboard (GtkTextView *text_view)
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_CLIPBOARD);
|
||
|
||
gtk_text_buffer_cut_clipboard (get_buffer (text_view),
|
||
clipboard,
|
||
text_view->priv->editable);
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_copy_clipboard (GtkTextView *text_view)
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_CLIPBOARD);
|
||
|
||
gtk_text_buffer_copy_clipboard (get_buffer (text_view),
|
||
clipboard);
|
||
|
||
/* on copy do not scroll, we are already onscreen */
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_paste_clipboard (GtkTextView *text_view)
|
||
{
|
||
GtkClipboard *clipboard = gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_CLIPBOARD);
|
||
|
||
gtk_text_buffer_paste_clipboard (get_buffer (text_view),
|
||
clipboard,
|
||
NULL,
|
||
text_view->priv->editable);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_paste_done_handler (GtkTextBuffer *buffer,
|
||
GtkClipboard *clipboard,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view = data;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->scroll_after_paste)
|
||
{
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view, gtk_text_buffer_get_insert (buffer));
|
||
}
|
||
|
||
priv->scroll_after_paste = TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_buffer_changed_handler (GtkTextBuffer *buffer,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view = data;
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->handling_key_event)
|
||
gtk_text_view_obscure_mouse_cursor (text_view);
|
||
|
||
if (priv->text_handle)
|
||
gtk_text_view_update_handles (text_view,
|
||
_gtk_text_handle_get_mode (priv->text_handle));
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_toggle_overwrite (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->text_window)
|
||
text_window_invalidate_cursors (priv->text_window);
|
||
|
||
priv->overwrite_mode = !priv->overwrite_mode;
|
||
|
||
if (priv->layout)
|
||
gtk_text_layout_set_overwrite_mode (priv->layout,
|
||
priv->overwrite_mode && priv->editable);
|
||
|
||
if (priv->text_window)
|
||
text_window_invalidate_cursors (priv->text_window);
|
||
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "overwrite");
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_overwrite:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Returns whether the #GtkTextView is in overwrite mode or not.
|
||
*
|
||
* Returns: whether @text_view is in overwrite mode or not.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
gboolean
|
||
gtk_text_view_get_overwrite (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
return text_view->priv->overwrite_mode;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_overwrite:
|
||
* @text_view: a #GtkTextView
|
||
* @overwrite: %TRUE to turn on overwrite mode, %FALSE to turn it off
|
||
*
|
||
* Changes the #GtkTextView overwrite mode.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
void
|
||
gtk_text_view_set_overwrite (GtkTextView *text_view,
|
||
gboolean overwrite)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
overwrite = overwrite != FALSE;
|
||
|
||
if (text_view->priv->overwrite_mode != overwrite)
|
||
gtk_text_view_toggle_overwrite (text_view);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_accepts_tab:
|
||
* @text_view: A #GtkTextView
|
||
* @accepts_tab: %TRUE if pressing the Tab key should insert a tab
|
||
* character, %FALSE, if pressing the Tab key should move the
|
||
* keyboard focus.
|
||
*
|
||
* Sets the behavior of the text widget when the Tab key is pressed.
|
||
* If @accepts_tab is %TRUE, a tab character is inserted. If @accepts_tab
|
||
* is %FALSE the keyboard focus is moved to the next widget in the focus
|
||
* chain.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
void
|
||
gtk_text_view_set_accepts_tab (GtkTextView *text_view,
|
||
gboolean accepts_tab)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
accepts_tab = accepts_tab != FALSE;
|
||
|
||
if (text_view->priv->accepts_tab != accepts_tab)
|
||
{
|
||
text_view->priv->accepts_tab = accepts_tab;
|
||
|
||
g_object_notify (G_OBJECT (text_view), "accepts-tab");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_accepts_tab:
|
||
* @text_view: A #GtkTextView
|
||
*
|
||
* Returns whether pressing the Tab key inserts a tab characters.
|
||
* gtk_text_view_set_accepts_tab().
|
||
*
|
||
* Returns: %TRUE if pressing the Tab key inserts a tab character,
|
||
* %FALSE if pressing the Tab key moves the keyboard focus.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
gboolean
|
||
gtk_text_view_get_accepts_tab (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
return text_view->priv->accepts_tab;
|
||
}
|
||
|
||
/*
|
||
* Selections
|
||
*/
|
||
|
||
static void
|
||
gtk_text_view_unselect (GtkTextView *text_view)
|
||
{
|
||
GtkTextIter insert;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
gtk_text_buffer_move_mark (get_buffer (text_view),
|
||
gtk_text_buffer_get_selection_bound (get_buffer (text_view)),
|
||
&insert);
|
||
}
|
||
|
||
static void
|
||
move_mark_to_pointer_and_scroll (GtkTextView *text_view,
|
||
const gchar *mark_name)
|
||
{
|
||
GtkTextIter newplace;
|
||
GtkTextBuffer *buffer;
|
||
GtkTextMark *mark;
|
||
|
||
buffer = get_buffer (text_view);
|
||
get_iter_from_gesture (text_view, text_view->priv->drag_gesture,
|
||
&newplace, NULL, NULL);
|
||
|
||
mark = gtk_text_buffer_get_mark (buffer, mark_name);
|
||
|
||
/* This may invalidate the layout */
|
||
DV(g_print (G_STRLOC": move mark\n"));
|
||
|
||
gtk_text_buffer_move_mark (buffer, mark, &newplace);
|
||
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view, mark);
|
||
|
||
DV (g_print ("first validate idle leaving %s is %d\n",
|
||
G_STRLOC, text_view->priv->first_validate_idle));
|
||
}
|
||
|
||
static gboolean
|
||
selection_scan_timeout (gpointer data)
|
||
{
|
||
GtkTextView *text_view;
|
||
|
||
text_view = GTK_TEXT_VIEW (data);
|
||
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
return TRUE; /* remain installed. */
|
||
}
|
||
|
||
#define UPPER_OFFSET_ANCHOR 0.8
|
||
#define LOWER_OFFSET_ANCHOR 0.2
|
||
|
||
static gboolean
|
||
check_scroll (gdouble offset, GtkAdjustment *adjustment)
|
||
{
|
||
if ((offset > UPPER_OFFSET_ANCHOR &&
|
||
gtk_adjustment_get_value (adjustment) + gtk_adjustment_get_page_size (adjustment) < gtk_adjustment_get_upper (adjustment)) ||
|
||
(offset < LOWER_OFFSET_ANCHOR &&
|
||
gtk_adjustment_get_value (adjustment) > gtk_adjustment_get_lower (adjustment)))
|
||
return TRUE;
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gint
|
||
drag_scan_timeout (gpointer data)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter newplace;
|
||
gdouble pointer_xoffset, pointer_yoffset;
|
||
|
||
text_view = GTK_TEXT_VIEW (data);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout,
|
||
&newplace,
|
||
priv->dnd_x + priv->xoffset,
|
||
priv->dnd_y + priv->yoffset);
|
||
|
||
gtk_text_buffer_move_mark (get_buffer (text_view),
|
||
priv->dnd_mark,
|
||
&newplace);
|
||
|
||
pointer_xoffset = (gdouble) priv->dnd_x / gdk_window_get_width (priv->text_window->bin_window);
|
||
pointer_yoffset = (gdouble) priv->dnd_y / gdk_window_get_height (priv->text_window->bin_window);
|
||
|
||
if (check_scroll (pointer_xoffset, priv->hadjustment) ||
|
||
check_scroll (pointer_yoffset, priv->vadjustment))
|
||
{
|
||
/* do not make offsets surpass lower nor upper anchors, this makes
|
||
* scrolling speed relative to the distance of the pointer to the
|
||
* anchors when it moves beyond them.
|
||
*/
|
||
pointer_xoffset = CLAMP (pointer_xoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
|
||
pointer_yoffset = CLAMP (pointer_yoffset, LOWER_OFFSET_ANCHOR, UPPER_OFFSET_ANCHOR);
|
||
|
||
gtk_text_view_scroll_to_mark (text_view,
|
||
priv->dnd_mark,
|
||
0., TRUE, pointer_xoffset, pointer_yoffset);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
extend_selection (GtkTextView *text_view,
|
||
SelectionGranularity granularity,
|
||
const GtkTextIter *location,
|
||
GtkTextIter *start,
|
||
GtkTextIter *end)
|
||
{
|
||
GtkTextExtendSelection extend_selection_granularity;
|
||
gboolean handled = FALSE;
|
||
|
||
switch (granularity)
|
||
{
|
||
case SELECT_CHARACTERS:
|
||
*start = *location;
|
||
*end = *location;
|
||
return;
|
||
|
||
case SELECT_WORDS:
|
||
extend_selection_granularity = GTK_TEXT_EXTEND_SELECTION_WORD;
|
||
break;
|
||
|
||
case SELECT_LINES:
|
||
extend_selection_granularity = GTK_TEXT_EXTEND_SELECTION_LINE;
|
||
break;
|
||
|
||
default:
|
||
g_assert_not_reached ();
|
||
}
|
||
|
||
g_signal_emit (text_view,
|
||
signals[EXTEND_SELECTION], 0,
|
||
extend_selection_granularity,
|
||
location,
|
||
start,
|
||
end,
|
||
&handled);
|
||
|
||
if (!handled)
|
||
{
|
||
*start = *location;
|
||
*end = *location;
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_extend_selection (GtkTextView *text_view,
|
||
GtkTextExtendSelection granularity,
|
||
const GtkTextIter *location,
|
||
GtkTextIter *start,
|
||
GtkTextIter *end)
|
||
{
|
||
*start = *location;
|
||
*end = *location;
|
||
|
||
switch (granularity)
|
||
{
|
||
case GTK_TEXT_EXTEND_SELECTION_WORD:
|
||
if (gtk_text_iter_inside_word (start))
|
||
{
|
||
if (!gtk_text_iter_starts_word (start))
|
||
gtk_text_iter_backward_visible_word_start (start);
|
||
|
||
if (!gtk_text_iter_ends_word (end))
|
||
{
|
||
if (!gtk_text_iter_forward_visible_word_end (end))
|
||
gtk_text_iter_forward_to_end (end);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
GtkTextIter tmp;
|
||
|
||
/* @start is not contained in a word: the selection is extended to all
|
||
* the white spaces between the end of the word preceding @start and
|
||
* the start of the one following.
|
||
*/
|
||
|
||
tmp = *start;
|
||
if (gtk_text_iter_backward_visible_word_start (&tmp))
|
||
gtk_text_iter_forward_visible_word_end (&tmp);
|
||
|
||
if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (start))
|
||
*start = tmp;
|
||
else
|
||
gtk_text_iter_set_line_offset (start, 0);
|
||
|
||
tmp = *end;
|
||
if (!gtk_text_iter_forward_visible_word_end (&tmp))
|
||
gtk_text_iter_forward_to_end (&tmp);
|
||
|
||
if (gtk_text_iter_ends_word (&tmp))
|
||
gtk_text_iter_backward_visible_word_start (&tmp);
|
||
|
||
if (gtk_text_iter_get_line (&tmp) == gtk_text_iter_get_line (end))
|
||
*end = tmp;
|
||
else
|
||
gtk_text_iter_forward_to_line_end (end);
|
||
}
|
||
break;
|
||
|
||
case GTK_TEXT_EXTEND_SELECTION_LINE:
|
||
if (gtk_text_view_starts_display_line (text_view, start))
|
||
{
|
||
/* If on a display line boundary, we assume the user
|
||
* clicked off the end of a line and we therefore select
|
||
* the line before the boundary.
|
||
*/
|
||
gtk_text_view_backward_display_line_start (text_view, start);
|
||
}
|
||
else
|
||
{
|
||
/* start isn't on the start of a line, so we move it to the
|
||
* start, and move end to the end unless it's already there.
|
||
*/
|
||
gtk_text_view_backward_display_line_start (text_view, start);
|
||
|
||
if (!gtk_text_view_starts_display_line (text_view, end))
|
||
gtk_text_view_forward_display_line_end (text_view, end);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
g_return_val_if_reached (GDK_EVENT_STOP);
|
||
}
|
||
|
||
return GDK_EVENT_STOP;
|
||
}
|
||
|
||
typedef struct
|
||
{
|
||
SelectionGranularity granularity;
|
||
GtkTextMark *orig_start;
|
||
GtkTextMark *orig_end;
|
||
} SelectionData;
|
||
|
||
static void
|
||
selection_data_free (SelectionData *data)
|
||
{
|
||
if (data->orig_start != NULL)
|
||
gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_start),
|
||
data->orig_start);
|
||
if (data->orig_end != NULL)
|
||
gtk_text_buffer_delete_mark (gtk_text_mark_get_buffer (data->orig_end),
|
||
data->orig_end);
|
||
g_slice_free (SelectionData, data);
|
||
}
|
||
|
||
static gboolean
|
||
drag_gesture_get_text_window_coords (GtkGestureDrag *gesture,
|
||
GtkTextView *text_view,
|
||
gint *start_x,
|
||
gint *start_y,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
gdouble sx, sy, ox, oy;
|
||
|
||
if (!gtk_gesture_drag_get_start_point (gesture, &sx, &sy) ||
|
||
!gtk_gesture_drag_get_offset (gesture, &ox, &oy))
|
||
return FALSE;
|
||
|
||
*start_x = sx;
|
||
*start_y = sy;
|
||
_widget_to_text_window_coords (text_view, start_x, start_y);
|
||
|
||
*x = sx + ox;
|
||
*y = sy + oy;
|
||
_widget_to_text_window_coords (text_view, x, y);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_gesture_update (GtkGestureDrag *gesture,
|
||
gdouble offset_x,
|
||
gdouble offset_y,
|
||
GtkTextView *text_view)
|
||
{
|
||
gint start_x, start_y, x, y;
|
||
GdkEventSequence *sequence;
|
||
gboolean is_touchscreen;
|
||
const GdkEvent *event;
|
||
SelectionData *data;
|
||
GdkDevice *device;
|
||
GtkTextIter cursor;
|
||
|
||
data = g_object_get_qdata (G_OBJECT (gesture), quark_text_selection_data);
|
||
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
|
||
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
|
||
drag_gesture_get_text_window_coords (gesture, text_view,
|
||
&start_x, &start_y, &x, &y);
|
||
|
||
device = gdk_event_get_source_device (event);
|
||
|
||
is_touchscreen = gtk_simulate_touchscreen () ||
|
||
gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN;
|
||
|
||
get_iter_from_gesture (text_view, text_view->priv->drag_gesture,
|
||
&cursor, NULL, NULL);
|
||
|
||
if (!data)
|
||
{
|
||
/* If no data is attached, the initial press happened within the current
|
||
* text selection, check for drag and drop to be initiated.
|
||
*/
|
||
if (gtk_drag_check_threshold (GTK_WIDGET (text_view),
|
||
start_x, start_y, x, y))
|
||
{
|
||
if (!is_touchscreen)
|
||
{
|
||
GtkTextIter iter;
|
||
gint buffer_x, buffer_y;
|
||
|
||
gtk_text_view_window_to_buffer_coords (text_view,
|
||
GTK_TEXT_WINDOW_TEXT,
|
||
start_x, start_y,
|
||
&buffer_x,
|
||
&buffer_y);
|
||
|
||
gtk_text_layout_get_iter_at_pixel (text_view->priv->layout,
|
||
&iter, buffer_x, buffer_y);
|
||
|
||
gtk_text_view_start_selection_dnd (text_view, &iter, event,
|
||
start_x, start_y);
|
||
return;
|
||
}
|
||
else
|
||
{
|
||
gtk_text_view_start_selection_drag (text_view, &cursor,
|
||
SELECT_WORDS, TRUE);
|
||
data = g_object_get_qdata (G_OBJECT (gesture), quark_text_selection_data);
|
||
}
|
||
}
|
||
else
|
||
return;
|
||
}
|
||
|
||
/* Text selection */
|
||
if (data->granularity == SELECT_CHARACTERS)
|
||
{
|
||
move_mark_to_pointer_and_scroll (text_view, "insert");
|
||
}
|
||
else
|
||
{
|
||
GtkTextIter start, end;
|
||
GtkTextIter orig_start, orig_end;
|
||
GtkTextBuffer *buffer;
|
||
|
||
buffer = get_buffer (text_view);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &orig_start, data->orig_start);
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &orig_end, data->orig_end);
|
||
|
||
get_iter_from_gesture (text_view, text_view->priv->drag_gesture,
|
||
&cursor, NULL, NULL);
|
||
|
||
extend_selection (text_view, data->granularity, &cursor, &start, &end);
|
||
|
||
/* either the selection extends to the front, or end (or not) */
|
||
if (gtk_text_iter_compare (&orig_start, &start) < 0)
|
||
start = orig_start;
|
||
if (gtk_text_iter_compare (&orig_end, &end) > 0)
|
||
end = orig_end;
|
||
gtk_text_buffer_select_range (buffer, &start, &end);
|
||
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
}
|
||
|
||
/* If we had to scroll offscreen, insert a timeout to do so
|
||
* again. Note that in the timeout, even if the mouse doesn't
|
||
* move, due to this scroll xoffset/yoffset will have changed
|
||
* and we'll need to scroll again.
|
||
*/
|
||
if (text_view->priv->scroll_timeout != 0) /* reset on every motion event */
|
||
g_source_remove (text_view->priv->scroll_timeout);
|
||
|
||
text_view->priv->scroll_timeout =
|
||
gdk_threads_add_timeout (50, selection_scan_timeout, text_view);
|
||
g_source_set_name_by_id (text_view->priv->scroll_timeout, "[gtk+] selection_scan_timeout");
|
||
|
||
gtk_text_view_selection_bubble_popup_unset (text_view);
|
||
|
||
if (is_touchscreen)
|
||
{
|
||
_gtk_text_view_ensure_text_handles (text_view);
|
||
gtk_text_view_update_handles (text_view, GTK_TEXT_HANDLE_MODE_SELECTION);
|
||
gtk_text_view_show_magnifier (text_view, &cursor, x, y);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_gesture_end (GtkGestureDrag *gesture,
|
||
gdouble offset_x,
|
||
gdouble offset_y,
|
||
GtkTextView *text_view)
|
||
{
|
||
gboolean is_touchscreen, clicked_in_selection;
|
||
gint start_x, start_y, x, y;
|
||
GdkEventSequence *sequence;
|
||
GtkTextViewPrivate *priv;
|
||
const GdkEvent *event;
|
||
GdkDevice *device;
|
||
|
||
priv = text_view->priv;
|
||
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
|
||
drag_gesture_get_text_window_coords (gesture, text_view,
|
||
&start_x, &start_y, &x, &y);
|
||
|
||
clicked_in_selection =
|
||
g_object_get_qdata (G_OBJECT (gesture), quark_text_selection_data) == NULL;
|
||
g_object_set_qdata (G_OBJECT (gesture), quark_text_selection_data, NULL);
|
||
gtk_text_view_unobscure_mouse_cursor (text_view);
|
||
|
||
if (priv->scroll_timeout != 0)
|
||
{
|
||
g_source_remove (priv->scroll_timeout);
|
||
priv->scroll_timeout = 0;
|
||
}
|
||
|
||
if (priv->magnifier_popover)
|
||
gtk_widget_hide (priv->magnifier_popover);
|
||
|
||
/* Check whether the drag was cancelled rather than finished */
|
||
if (!gtk_gesture_handles_sequence (GTK_GESTURE (gesture), sequence))
|
||
return;
|
||
|
||
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
|
||
device = gdk_event_get_source_device (event);
|
||
is_touchscreen = gtk_simulate_touchscreen () ||
|
||
gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN;
|
||
|
||
if (!is_touchscreen && clicked_in_selection &&
|
||
!gtk_drag_check_threshold (GTK_WIDGET (text_view), start_x, start_y, x, y))
|
||
{
|
||
GtkTextHandleMode mode = GTK_TEXT_HANDLE_MODE_NONE;
|
||
GtkTextIter iter;
|
||
|
||
/* Unselect everything; we clicked inside selection, but
|
||
* didn't move by the drag threshold, so just clear selection
|
||
* and place cursor.
|
||
*/
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout, &iter,
|
||
x + priv->xoffset, y + priv->yoffset);
|
||
|
||
gtk_text_buffer_place_cursor (get_buffer (text_view), &iter);
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
|
||
if (priv->text_handle)
|
||
{
|
||
if (is_touchscreen)
|
||
mode = GTK_TEXT_HANDLE_MODE_CURSOR;
|
||
|
||
gtk_text_view_update_handles (text_view, mode);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_start_selection_drag (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
SelectionGranularity granularity,
|
||
gboolean extend)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter cursor, ins, bound;
|
||
GtkTextIter orig_start, orig_end;
|
||
GtkTextBuffer *buffer;
|
||
SelectionData *data;
|
||
|
||
priv = text_view->priv;
|
||
data = g_slice_new0 (SelectionData);
|
||
data->granularity = granularity;
|
||
|
||
buffer = get_buffer (text_view);
|
||
|
||
cursor = *iter;
|
||
extend_selection (text_view, data->granularity, &cursor, &ins, &bound);
|
||
|
||
orig_start = ins;
|
||
orig_end = bound;
|
||
|
||
if (extend)
|
||
{
|
||
/* Extend selection */
|
||
GtkTextIter old_ins, old_bound;
|
||
GtkTextIter old_start, old_end;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &old_ins, gtk_text_buffer_get_insert (buffer));
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &old_bound, gtk_text_buffer_get_selection_bound (buffer));
|
||
old_start = old_ins;
|
||
old_end = old_bound;
|
||
gtk_text_iter_order (&old_start, &old_end);
|
||
|
||
/* move the front cursor, if the mouse is in front of the selection. Should the
|
||
* cursor however be inside the selection (this happens on tripple click) then we
|
||
* move the side which was last moved (current insert mark) */
|
||
if (gtk_text_iter_compare (&cursor, &old_start) <= 0 ||
|
||
(gtk_text_iter_compare (&cursor, &old_end) < 0 &&
|
||
gtk_text_iter_compare (&old_ins, &old_bound) <= 0))
|
||
{
|
||
bound = old_end;
|
||
}
|
||
else
|
||
{
|
||
ins = bound;
|
||
bound = old_start;
|
||
}
|
||
|
||
/* Store any previous selection */
|
||
if (gtk_text_iter_compare (&old_start, &old_end) != 0)
|
||
{
|
||
orig_start = old_ins;
|
||
orig_end = old_bound;
|
||
}
|
||
}
|
||
|
||
gtk_text_buffer_select_range (buffer, &ins, &bound);
|
||
|
||
gtk_text_iter_order (&orig_start, &orig_end);
|
||
data->orig_start = gtk_text_buffer_create_mark (buffer, NULL,
|
||
&orig_start, TRUE);
|
||
data->orig_end = gtk_text_buffer_create_mark (buffer, NULL,
|
||
&orig_end, TRUE);
|
||
gtk_text_view_check_cursor_blink (text_view);
|
||
|
||
g_object_set_qdata_full (G_OBJECT (priv->drag_gesture),
|
||
quark_text_selection_data,
|
||
data, (GDestroyNotify) selection_data_free);
|
||
gtk_gesture_set_state (priv->drag_gesture,
|
||
GTK_EVENT_SEQUENCE_CLAIMED);
|
||
}
|
||
|
||
/* returns whether we were really dragging */
|
||
static gboolean
|
||
gtk_text_view_end_selection_drag (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (!gtk_gesture_is_active (priv->drag_gesture))
|
||
return FALSE;
|
||
|
||
if (priv->scroll_timeout != 0)
|
||
{
|
||
g_source_remove (priv->scroll_timeout);
|
||
priv->scroll_timeout = 0;
|
||
}
|
||
|
||
if (priv->magnifier_popover)
|
||
gtk_widget_hide (priv->magnifier_popover);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/*
|
||
* Layout utils
|
||
*/
|
||
|
||
static void
|
||
gtk_text_view_set_attributes_from_style (GtkTextView *text_view,
|
||
GtkTextAttributes *values)
|
||
{
|
||
GtkStyleContext *context;
|
||
GdkRGBA bg_color, fg_color;
|
||
GtkStateFlags state;
|
||
|
||
context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
|
||
state = gtk_style_context_get_state (context);
|
||
|
||
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
|
||
gtk_style_context_get_background_color (context, state, &bg_color);
|
||
G_GNUC_END_IGNORE_DEPRECATIONS
|
||
gtk_style_context_get_color (context, state, &fg_color);
|
||
|
||
values->appearance.bg_color.red = CLAMP (bg_color.red * 65535. + 0.5, 0, 65535);
|
||
values->appearance.bg_color.green = CLAMP (bg_color.green * 65535. + 0.5, 0, 65535);
|
||
values->appearance.bg_color.blue = CLAMP (bg_color.blue * 65535. + 0.5, 0, 65535);
|
||
|
||
values->appearance.fg_color.red = CLAMP (fg_color.red * 65535. + 0.5, 0, 65535);
|
||
values->appearance.fg_color.green = CLAMP (fg_color.green * 65535. + 0.5, 0, 65535);
|
||
values->appearance.fg_color.blue = CLAMP (fg_color.blue * 65535. + 0.5, 0, 65535);
|
||
|
||
if (values->font)
|
||
pango_font_description_free (values->font);
|
||
|
||
gtk_style_context_get (context, state, "font", &values->font, NULL);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_check_keymap_direction (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->layout)
|
||
{
|
||
GtkSettings *settings = gtk_widget_get_settings (GTK_WIDGET (text_view));
|
||
GdkKeymap *keymap = gdk_keymap_get_for_display (gtk_widget_get_display (GTK_WIDGET (text_view)));
|
||
GtkTextDirection new_cursor_dir;
|
||
GtkTextDirection new_keyboard_dir;
|
||
gboolean split_cursor;
|
||
|
||
g_object_get (settings,
|
||
"gtk-split-cursor", &split_cursor,
|
||
NULL);
|
||
|
||
if (gdk_keymap_get_direction (keymap) == PANGO_DIRECTION_RTL)
|
||
new_keyboard_dir = GTK_TEXT_DIR_RTL;
|
||
else
|
||
new_keyboard_dir = GTK_TEXT_DIR_LTR;
|
||
|
||
if (split_cursor)
|
||
new_cursor_dir = GTK_TEXT_DIR_NONE;
|
||
else
|
||
new_cursor_dir = new_keyboard_dir;
|
||
|
||
gtk_text_layout_set_cursor_direction (priv->layout, new_cursor_dir);
|
||
gtk_text_layout_set_keyboard_direction (priv->layout, new_keyboard_dir);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_ensure_layout (GtkTextView *text_view)
|
||
{
|
||
GtkWidget *widget;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
widget = GTK_WIDGET (text_view);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->layout == NULL)
|
||
{
|
||
GtkTextAttributes *style;
|
||
PangoContext *ltr_context, *rtl_context;
|
||
GSList *tmp_list;
|
||
|
||
DV(g_print(G_STRLOC"\n"));
|
||
|
||
priv->layout = gtk_text_layout_new ();
|
||
|
||
g_signal_connect (priv->layout,
|
||
"invalidated",
|
||
G_CALLBACK (invalidated_handler),
|
||
text_view);
|
||
|
||
g_signal_connect (priv->layout,
|
||
"changed",
|
||
G_CALLBACK (changed_handler),
|
||
text_view);
|
||
|
||
g_signal_connect (priv->layout,
|
||
"allocate-child",
|
||
G_CALLBACK (gtk_text_view_child_allocated),
|
||
text_view);
|
||
|
||
if (get_buffer (text_view))
|
||
gtk_text_layout_set_buffer (priv->layout, get_buffer (text_view));
|
||
|
||
if ((gtk_widget_has_focus (widget) && priv->cursor_visible))
|
||
gtk_text_view_pend_cursor_blink (text_view);
|
||
else
|
||
gtk_text_layout_set_cursor_visible (priv->layout, FALSE);
|
||
|
||
gtk_text_layout_set_overwrite_mode (priv->layout,
|
||
priv->overwrite_mode && priv->editable);
|
||
|
||
ltr_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
|
||
pango_context_set_base_dir (ltr_context, PANGO_DIRECTION_LTR);
|
||
rtl_context = gtk_widget_create_pango_context (GTK_WIDGET (text_view));
|
||
pango_context_set_base_dir (rtl_context, PANGO_DIRECTION_RTL);
|
||
|
||
gtk_text_layout_set_contexts (priv->layout, ltr_context, rtl_context);
|
||
|
||
g_object_unref (ltr_context);
|
||
g_object_unref (rtl_context);
|
||
|
||
gtk_text_view_check_keymap_direction (text_view);
|
||
|
||
style = gtk_text_attributes_new ();
|
||
|
||
gtk_text_view_set_attributes_from_style (text_view, style);
|
||
|
||
style->pixels_above_lines = priv->pixels_above_lines;
|
||
style->pixels_below_lines = priv->pixels_below_lines;
|
||
style->pixels_inside_wrap = priv->pixels_inside_wrap;
|
||
|
||
style->left_margin = priv->left_margin;
|
||
style->right_margin = priv->right_margin;
|
||
priv->layout->right_padding = priv->right_padding;
|
||
priv->layout->left_padding = priv->left_padding;
|
||
|
||
style->indent = priv->indent;
|
||
style->tabs = priv->tabs ? pango_tab_array_copy (priv->tabs) : NULL;
|
||
|
||
style->wrap_mode = priv->wrap_mode;
|
||
style->justification = priv->justify;
|
||
style->direction = gtk_widget_get_direction (GTK_WIDGET (text_view));
|
||
|
||
gtk_text_layout_set_default_style (priv->layout, style);
|
||
|
||
gtk_text_attributes_unref (style);
|
||
|
||
/* Set layout for all anchored children */
|
||
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *vc = tmp_list->data;
|
||
|
||
if (vc->anchor)
|
||
{
|
||
gtk_text_anchored_child_set_layout (vc->widget,
|
||
priv->layout);
|
||
/* vc may now be invalid! */
|
||
}
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_default_attributes:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Obtains a copy of the default text attributes. These are the
|
||
* attributes used for text unless a tag overrides them.
|
||
* You’d typically pass the default attributes in to
|
||
* gtk_text_iter_get_attributes() in order to get the
|
||
* attributes in effect at a given text position.
|
||
*
|
||
* The return value is a copy owned by the caller of this function,
|
||
* and should be freed with gtk_text_attributes_unref().
|
||
*
|
||
* Returns: a new #GtkTextAttributes
|
||
**/
|
||
GtkTextAttributes*
|
||
gtk_text_view_get_default_attributes (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_attributes_copy (text_view->priv->layout->default_style);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_destroy_layout (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (priv->layout)
|
||
{
|
||
GSList *tmp_list;
|
||
|
||
gtk_text_view_remove_validate_idles (text_view);
|
||
|
||
g_signal_handlers_disconnect_by_func (priv->layout,
|
||
invalidated_handler,
|
||
text_view);
|
||
g_signal_handlers_disconnect_by_func (priv->layout,
|
||
changed_handler,
|
||
text_view);
|
||
|
||
/* Remove layout from all anchored children */
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *vc = tmp_list->data;
|
||
|
||
if (vc->anchor)
|
||
{
|
||
gtk_text_anchored_child_set_layout (vc->widget, NULL);
|
||
/* vc may now be invalid! */
|
||
}
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
|
||
gtk_text_view_stop_cursor_blink (text_view);
|
||
gtk_text_view_end_selection_drag (text_view);
|
||
|
||
g_object_unref (priv->layout);
|
||
priv->layout = NULL;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_reset_im_context:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Reset the input method context of the text view if needed.
|
||
*
|
||
* This can be necessary in the case where modifying the buffer
|
||
* would confuse on-going input method behavior.
|
||
*
|
||
* Since: 2.22
|
||
*/
|
||
void
|
||
gtk_text_view_reset_im_context (GtkTextView *text_view)
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (text_view->priv->need_im_reset)
|
||
{
|
||
text_view->priv->need_im_reset = FALSE;
|
||
gtk_im_context_reset (text_view->priv->im_context);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_im_context_filter_keypress:
|
||
* @text_view: a #GtkTextView
|
||
* @event: the key event
|
||
*
|
||
* Allow the #GtkTextView input method to internally handle key press
|
||
* and release events. If this function returns %TRUE, then no further
|
||
* processing should be done for this key event. See
|
||
* gtk_im_context_filter_keypress().
|
||
*
|
||
* Note that you are expected to call this function from your handler
|
||
* when overriding key event handling. This is needed in the case when
|
||
* you need to insert your own key handling between the input method
|
||
* and the default key event handling of the #GtkTextView.
|
||
*
|
||
* |[<!-- language="C" -->
|
||
* static gboolean
|
||
* gtk_foo_bar_key_press_event (GtkWidget *widget,
|
||
* GdkEventKey *event)
|
||
* {
|
||
* if ((key->keyval == GDK_KEY_Return || key->keyval == GDK_KEY_KP_Enter))
|
||
* {
|
||
* if (gtk_text_view_im_context_filter_keypress (GTK_TEXT_VIEW (view), event))
|
||
* return TRUE;
|
||
* }
|
||
*
|
||
* // Do some stuff
|
||
*
|
||
* return GTK_WIDGET_CLASS (gtk_foo_bar_parent_class)->key_press_event (widget, event);
|
||
* }
|
||
* ]|
|
||
*
|
||
* Returns: %TRUE if the input method handled the key event.
|
||
*
|
||
* Since: 2.22
|
||
*/
|
||
gboolean
|
||
gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
|
||
GdkEventKey *event)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
return gtk_im_context_filter_keypress (text_view->priv->im_context, event);
|
||
}
|
||
|
||
/*
|
||
* DND feature
|
||
*/
|
||
|
||
static void
|
||
drag_begin_cb (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
cairo_surface_t *surface = NULL;
|
||
|
||
g_signal_handlers_disconnect_by_func (widget, drag_begin_cb, NULL);
|
||
|
||
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
|
||
surface = _gtk_text_util_create_rich_drag_icon (widget, buffer, &start, &end);
|
||
|
||
if (surface)
|
||
{
|
||
gtk_drag_set_icon_surface (context, surface);
|
||
cairo_surface_destroy (surface);
|
||
}
|
||
else
|
||
{
|
||
gtk_drag_set_icon_default (context);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_start_selection_dnd (GtkTextView *text_view,
|
||
const GtkTextIter *iter,
|
||
const GdkEvent *event,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
GtkTargetList *target_list;
|
||
|
||
target_list = gtk_text_buffer_get_copy_target_list (get_buffer (text_view));
|
||
|
||
g_signal_connect (text_view, "drag-begin",
|
||
G_CALLBACK (drag_begin_cb), NULL);
|
||
gtk_drag_begin_with_coordinates (GTK_WIDGET (text_view), target_list,
|
||
GDK_ACTION_COPY | GDK_ACTION_MOVE,
|
||
1, (GdkEvent*) event, x, y);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_begin (GtkWidget *widget,
|
||
GdkDragContext *context)
|
||
{
|
||
/* do nothing */
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_end (GtkWidget *widget,
|
||
GdkDragContext *context)
|
||
{
|
||
GtkTextView *text_view;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
text_view->priv->dnd_x = text_view->priv->dnd_y = -1;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_data_get (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
guint time)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
GtkTextBuffer *buffer = gtk_text_view_get_buffer (text_view);
|
||
|
||
if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
|
||
{
|
||
gtk_selection_data_set (selection_data,
|
||
gdk_atom_intern_static_string ("GTK_TEXT_BUFFER_CONTENTS"),
|
||
8, /* bytes */
|
||
(void*)&buffer,
|
||
sizeof (buffer));
|
||
}
|
||
else if (info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
|
||
{
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
guint8 *str = NULL;
|
||
gsize len;
|
||
|
||
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
|
||
{
|
||
/* Extract the selected text */
|
||
str = gtk_text_buffer_serialize (buffer, buffer,
|
||
gtk_selection_data_get_target (selection_data),
|
||
&start, &end,
|
||
&len);
|
||
}
|
||
|
||
if (str)
|
||
{
|
||
gtk_selection_data_set (selection_data,
|
||
gtk_selection_data_get_target (selection_data),
|
||
8, /* bytes */
|
||
(guchar *) str, len);
|
||
g_free (str);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
gchar *str = NULL;
|
||
|
||
if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
|
||
{
|
||
/* Extract the selected text */
|
||
str = gtk_text_iter_get_visible_text (&start, &end);
|
||
}
|
||
|
||
if (str)
|
||
{
|
||
gtk_selection_data_set_text (selection_data, str, -1);
|
||
g_free (str);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_data_delete (GtkWidget *widget,
|
||
GdkDragContext *context)
|
||
{
|
||
gtk_text_buffer_delete_selection (GTK_TEXT_VIEW (widget)->priv->buffer,
|
||
TRUE, GTK_TEXT_VIEW (widget)->priv->editable);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_leave (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
guint time)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
|
||
|
||
priv->dnd_x = priv->dnd_y = -1;
|
||
|
||
if (priv->scroll_timeout != 0)
|
||
g_source_remove (priv->scroll_timeout);
|
||
|
||
priv->scroll_timeout = 0;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_drag_motion (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
guint time)
|
||
{
|
||
GtkTextIter newplace;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
GdkRectangle target_rect;
|
||
gint bx, by;
|
||
GdkAtom target;
|
||
GdkDragAction suggested_action = 0;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
target_rect = priv->text_window->allocation;
|
||
|
||
if (x < target_rect.x ||
|
||
y < target_rect.y ||
|
||
x > (target_rect.x + target_rect.width) ||
|
||
y > (target_rect.y + target_rect.height))
|
||
return FALSE; /* outside the text window, allow parent widgets to handle event */
|
||
|
||
x -= target_rect.x;
|
||
y -= target_rect.y;
|
||
|
||
gtk_text_view_window_to_buffer_coords (text_view,
|
||
GTK_TEXT_WINDOW_WIDGET,
|
||
x, y,
|
||
&bx, &by);
|
||
|
||
gtk_text_layout_get_iter_at_pixel (priv->layout,
|
||
&newplace,
|
||
bx, by);
|
||
|
||
target = gtk_drag_dest_find_target (widget, context,
|
||
gtk_drag_dest_get_target_list (widget));
|
||
|
||
if (target == GDK_NONE)
|
||
{
|
||
/* can't accept any of the offered targets */
|
||
}
|
||
else if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
|
||
&start, &end) &&
|
||
gtk_text_iter_compare (&newplace, &start) >= 0 &&
|
||
gtk_text_iter_compare (&newplace, &end) <= 0)
|
||
{
|
||
/* We're inside the selection. */
|
||
}
|
||
else
|
||
{
|
||
if (gtk_text_iter_can_insert (&newplace, priv->editable))
|
||
{
|
||
GtkWidget *source_widget;
|
||
|
||
suggested_action = gdk_drag_context_get_suggested_action (context);
|
||
|
||
source_widget = gtk_drag_get_source_widget (context);
|
||
|
||
if (source_widget == widget)
|
||
{
|
||
/* Default to MOVE, unless the user has
|
||
* pressed ctrl or alt to affect available actions
|
||
*/
|
||
if ((gdk_drag_context_get_actions (context) & GDK_ACTION_MOVE) != 0)
|
||
suggested_action = GDK_ACTION_MOVE;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Can't drop here. */
|
||
}
|
||
}
|
||
|
||
if (suggested_action != 0)
|
||
{
|
||
gtk_text_mark_set_visible (priv->dnd_mark,
|
||
priv->cursor_visible);
|
||
|
||
gdk_drag_status (context, suggested_action, time);
|
||
}
|
||
else
|
||
{
|
||
gdk_drag_status (context, 0, time);
|
||
gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
|
||
}
|
||
|
||
priv->dnd_x = x;
|
||
priv->dnd_y = y;
|
||
|
||
if (!priv->scroll_timeout)
|
||
{
|
||
priv->scroll_timeout =
|
||
gdk_threads_add_timeout (100, drag_scan_timeout, text_view);
|
||
g_source_set_name_by_id (text_view->priv->scroll_timeout, "[gtk+] drag_scan_timeout");
|
||
}
|
||
|
||
/* TRUE return means don't propagate the drag motion to parent
|
||
* widgets that may also be drop sites.
|
||
*/
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_drag_drop (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
guint time)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter drop_point;
|
||
GdkAtom target = GDK_NONE;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (priv->scroll_timeout != 0)
|
||
g_source_remove (priv->scroll_timeout);
|
||
|
||
priv->scroll_timeout = 0;
|
||
|
||
gtk_text_mark_set_visible (priv->dnd_mark, FALSE);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&drop_point,
|
||
priv->dnd_mark);
|
||
|
||
if (gtk_text_iter_can_insert (&drop_point, priv->editable))
|
||
target = gtk_drag_dest_find_target (widget, context, NULL);
|
||
|
||
if (target != GDK_NONE)
|
||
gtk_drag_get_data (widget, context, target, time);
|
||
else
|
||
gtk_drag_finish (context, FALSE, FALSE, time);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
insert_text_data (GtkTextView *text_view,
|
||
GtkTextIter *drop_point,
|
||
GtkSelectionData *selection_data)
|
||
{
|
||
guchar *str;
|
||
|
||
str = gtk_selection_data_get_text (selection_data);
|
||
|
||
if (str)
|
||
{
|
||
if (!gtk_text_buffer_insert_interactive (get_buffer (text_view),
|
||
drop_point, (gchar *) str, -1,
|
||
text_view->priv->editable))
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
|
||
g_free (str);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_drag_data_received (GtkWidget *widget,
|
||
GdkDragContext *context,
|
||
gint x,
|
||
gint y,
|
||
GtkSelectionData *selection_data,
|
||
guint info,
|
||
guint time)
|
||
{
|
||
GtkTextIter drop_point;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
gboolean success = FALSE;
|
||
GtkTextBuffer *buffer = NULL;
|
||
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
if (!priv->dnd_mark)
|
||
goto done;
|
||
|
||
buffer = get_buffer (text_view);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (buffer,
|
||
&drop_point,
|
||
priv->dnd_mark);
|
||
|
||
if (!gtk_text_iter_can_insert (&drop_point, priv->editable))
|
||
goto done;
|
||
|
||
success = TRUE;
|
||
|
||
gtk_text_buffer_begin_user_action (buffer);
|
||
|
||
if (info == GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
|
||
{
|
||
GtkTextBuffer *src_buffer = NULL;
|
||
GtkTextIter start, end;
|
||
gboolean copy_tags = TRUE;
|
||
|
||
if (gtk_selection_data_get_length (selection_data) != sizeof (src_buffer))
|
||
return;
|
||
|
||
memcpy (&src_buffer, gtk_selection_data_get_data (selection_data), sizeof (src_buffer));
|
||
|
||
if (src_buffer == NULL)
|
||
return;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_BUFFER (src_buffer));
|
||
|
||
if (gtk_text_buffer_get_tag_table (src_buffer) !=
|
||
gtk_text_buffer_get_tag_table (buffer))
|
||
{
|
||
/* try to find a suitable rich text target instead */
|
||
GdkAtom *atoms;
|
||
gint n_atoms;
|
||
GList *list;
|
||
GdkAtom target = GDK_NONE;
|
||
|
||
copy_tags = FALSE;
|
||
|
||
atoms = gtk_text_buffer_get_deserialize_formats (buffer, &n_atoms);
|
||
|
||
for (list = gdk_drag_context_list_targets (context); list; list = list->next)
|
||
{
|
||
gint i;
|
||
|
||
for (i = 0; i < n_atoms; i++)
|
||
if (GUINT_TO_POINTER (atoms[i]) == list->data)
|
||
{
|
||
target = atoms[i];
|
||
break;
|
||
}
|
||
}
|
||
|
||
g_free (atoms);
|
||
|
||
if (target != GDK_NONE)
|
||
{
|
||
gtk_drag_get_data (widget, context, target, time);
|
||
gtk_text_buffer_end_user_action (buffer);
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (gtk_text_buffer_get_selection_bounds (src_buffer,
|
||
&start,
|
||
&end))
|
||
{
|
||
if (copy_tags)
|
||
gtk_text_buffer_insert_range_interactive (buffer,
|
||
&drop_point,
|
||
&start,
|
||
&end,
|
||
priv->editable);
|
||
else
|
||
{
|
||
gchar *str;
|
||
|
||
str = gtk_text_iter_get_visible_text (&start, &end);
|
||
gtk_text_buffer_insert_interactive (buffer,
|
||
&drop_point, str, -1,
|
||
priv->editable);
|
||
g_free (str);
|
||
}
|
||
}
|
||
}
|
||
else if (gtk_selection_data_get_length (selection_data) > 0 &&
|
||
info == GTK_TEXT_BUFFER_TARGET_INFO_RICH_TEXT)
|
||
{
|
||
gboolean retval;
|
||
GError *error = NULL;
|
||
|
||
retval = gtk_text_buffer_deserialize (buffer, buffer,
|
||
gtk_selection_data_get_target (selection_data),
|
||
&drop_point,
|
||
(guint8 *) gtk_selection_data_get_data (selection_data),
|
||
gtk_selection_data_get_length (selection_data),
|
||
&error);
|
||
|
||
if (!retval)
|
||
{
|
||
g_warning ("error pasting: %s\n", error->message);
|
||
g_clear_error (&error);
|
||
}
|
||
}
|
||
else
|
||
insert_text_data (text_view, &drop_point, selection_data);
|
||
|
||
done:
|
||
gtk_drag_finish (context, success,
|
||
success && gdk_drag_context_get_selected_action (context) == GDK_ACTION_MOVE,
|
||
time);
|
||
|
||
if (success)
|
||
{
|
||
gtk_text_buffer_get_iter_at_mark (buffer,
|
||
&drop_point,
|
||
priv->dnd_mark);
|
||
gtk_text_buffer_place_cursor (buffer, &drop_point);
|
||
|
||
gtk_text_buffer_end_user_action (buffer);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_hadjustment:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the horizontal-scrolling #GtkAdjustment.
|
||
*
|
||
* Returns: (transfer none): pointer to the horizontal #GtkAdjustment
|
||
*
|
||
* Since: 2.22
|
||
*
|
||
* Deprecated: 3.0: Use gtk_scrollable_get_hadjustment()
|
||
**/
|
||
GtkAdjustment*
|
||
gtk_text_view_get_hadjustment (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
return text_view->priv->hadjustment;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_hadjustment (GtkTextView *text_view,
|
||
GtkAdjustment *adjustment)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (adjustment && priv->hadjustment == adjustment)
|
||
return;
|
||
|
||
if (priv->hadjustment != NULL)
|
||
{
|
||
g_signal_handlers_disconnect_by_func (priv->hadjustment,
|
||
gtk_text_view_value_changed,
|
||
text_view);
|
||
g_object_unref (priv->hadjustment);
|
||
}
|
||
|
||
if (adjustment == NULL)
|
||
adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
|
||
|
||
g_signal_connect (adjustment, "value-changed",
|
||
G_CALLBACK (gtk_text_view_value_changed), text_view);
|
||
priv->hadjustment = g_object_ref_sink (adjustment);
|
||
gtk_text_view_set_hadjustment_values (text_view);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "hadjustment");
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_vadjustment:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the vertical-scrolling #GtkAdjustment.
|
||
*
|
||
* Returns: (transfer none): pointer to the vertical #GtkAdjustment
|
||
*
|
||
* Since: 2.22
|
||
*
|
||
* Deprecated: 3.0: Use gtk_scrollable_get_vadjustment()
|
||
**/
|
||
GtkAdjustment*
|
||
gtk_text_view_get_vadjustment (GtkTextView *text_view)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
return text_view->priv->vadjustment;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_vadjustment (GtkTextView *text_view,
|
||
GtkAdjustment *adjustment)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (adjustment && priv->vadjustment == adjustment)
|
||
return;
|
||
|
||
if (priv->vadjustment != NULL)
|
||
{
|
||
g_signal_handlers_disconnect_by_func (priv->vadjustment,
|
||
gtk_text_view_value_changed,
|
||
text_view);
|
||
g_object_unref (priv->vadjustment);
|
||
}
|
||
|
||
if (adjustment == NULL)
|
||
adjustment = gtk_adjustment_new (0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
|
||
|
||
g_signal_connect (adjustment, "value-changed",
|
||
G_CALLBACK (gtk_text_view_value_changed), text_view);
|
||
priv->vadjustment = g_object_ref_sink (adjustment);
|
||
gtk_text_view_set_vadjustment_values (text_view);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "vadjustment");
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_hadjustment_values (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
gint screen_width;
|
||
gdouble old_value;
|
||
gdouble new_value;
|
||
gdouble new_upper;
|
||
|
||
priv = text_view->priv;
|
||
|
||
screen_width = SCREEN_WIDTH (text_view);
|
||
old_value = gtk_adjustment_get_value (priv->hadjustment);
|
||
new_upper = MAX (screen_width, priv->width);
|
||
|
||
g_object_set (priv->hadjustment,
|
||
"lower", 0.0,
|
||
"upper", new_upper,
|
||
"page-size", (gdouble)screen_width,
|
||
"step-increment", screen_width * 0.1,
|
||
"page-increment", screen_width * 0.9,
|
||
NULL);
|
||
|
||
new_value = CLAMP (old_value, 0, new_upper - screen_width);
|
||
if (new_value != old_value)
|
||
gtk_adjustment_set_value (priv->hadjustment, new_value);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_vadjustment_values (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter first_para;
|
||
gint screen_height;
|
||
gint y;
|
||
gdouble old_value;
|
||
gdouble new_value;
|
||
gdouble new_upper;
|
||
|
||
priv = text_view->priv;
|
||
|
||
screen_height = SCREEN_HEIGHT (text_view);
|
||
old_value = gtk_adjustment_get_value (priv->vadjustment);
|
||
new_upper = MAX (screen_height, priv->height);
|
||
|
||
g_object_set (priv->vadjustment,
|
||
"lower", 0.0,
|
||
"upper", new_upper,
|
||
"page-size", (gdouble)screen_height,
|
||
"step-increment", screen_height * 0.1,
|
||
"page-increment", screen_height * 0.9,
|
||
NULL);
|
||
|
||
/* Now adjust the value of the adjustment to keep the cursor at the
|
||
* same place in the buffer */
|
||
gtk_text_view_ensure_layout (text_view);
|
||
gtk_text_view_get_first_para_iter (text_view, &first_para);
|
||
gtk_text_layout_get_line_yrange (priv->layout, &first_para, &y, NULL);
|
||
|
||
y += priv->first_para_pixels;
|
||
|
||
new_value = CLAMP (y, 0, new_upper - screen_height);
|
||
if (new_value != old_value)
|
||
gtk_adjustment_set_value (priv->vadjustment, new_value);
|
||
}
|
||
|
||
static void
|
||
adjust_allocation (GtkWidget *widget,
|
||
int dx,
|
||
int dy)
|
||
{
|
||
GtkAllocation allocation;
|
||
|
||
if (!gtk_widget_is_drawable (widget))
|
||
return;
|
||
|
||
gtk_widget_get_allocation (widget, &allocation);
|
||
allocation.x += dx;
|
||
allocation.y += dy;
|
||
gtk_widget_size_allocate (widget, &allocation);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_value_changed (GtkAdjustment *adjustment,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter iter;
|
||
gint line_top;
|
||
gint dx = 0;
|
||
gint dy = 0;
|
||
|
||
priv = text_view->priv;
|
||
|
||
/* Note that we oddly call this function with adjustment == NULL
|
||
* sometimes
|
||
*/
|
||
|
||
priv->onscreen_validated = FALSE;
|
||
|
||
DV(g_print(">Scroll offset changed %s/%g, onscreen_validated = FALSE ("G_STRLOC")\n",
|
||
adjustment == priv->hadjustment ? "hadjustment" : adjustment == priv->vadjustment ? "vadjustment" : "none",
|
||
adjustment ? gtk_adjustment_get_value (adjustment) : 0.0));
|
||
|
||
if (adjustment == priv->hadjustment)
|
||
{
|
||
dx = priv->xoffset - (gint)gtk_adjustment_get_value (adjustment);
|
||
priv->xoffset = (gint)gtk_adjustment_get_value (adjustment) - priv->left_padding;
|
||
|
||
/* If the change is due to a size change we need
|
||
* to invalidate the entire text window because there might be
|
||
* right-aligned or centered text
|
||
*/
|
||
if (priv->width_changed)
|
||
{
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
gdk_window_invalidate_rect (priv->text_window->bin_window, NULL, FALSE);
|
||
|
||
priv->width_changed = FALSE;
|
||
}
|
||
}
|
||
else if (adjustment == priv->vadjustment)
|
||
{
|
||
dy = priv->yoffset - (gint)gtk_adjustment_get_value (adjustment) + priv->top_border ;
|
||
priv->yoffset -= dy;
|
||
|
||
if (priv->layout)
|
||
{
|
||
gtk_text_layout_get_line_at_y (priv->layout, &iter, gtk_adjustment_get_value (adjustment), &line_top);
|
||
|
||
gtk_text_buffer_move_mark (get_buffer (text_view), priv->first_para_mark, &iter);
|
||
|
||
priv->first_para_pixels = gtk_adjustment_get_value (adjustment) - line_top;
|
||
}
|
||
}
|
||
|
||
if (dx != 0 || dy != 0)
|
||
{
|
||
GSList *tmp_list;
|
||
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
{
|
||
if (dy != 0)
|
||
{
|
||
if (priv->left_window)
|
||
text_window_scroll (priv->left_window, 0, dy);
|
||
if (priv->right_window)
|
||
text_window_scroll (priv->right_window, 0, dy);
|
||
}
|
||
|
||
if (dx != 0)
|
||
{
|
||
if (priv->top_window)
|
||
text_window_scroll (priv->top_window, dx, 0);
|
||
if (priv->bottom_window)
|
||
text_window_scroll (priv->bottom_window, dx, 0);
|
||
}
|
||
|
||
/* It looks nicer to scroll the main area last, because
|
||
* it takes a while, and making the side areas update
|
||
* afterward emphasizes the slowness of scrolling the
|
||
* main area.
|
||
*/
|
||
text_window_scroll (priv->text_window, dx, dy);
|
||
}
|
||
|
||
/* Children are now "moved" in the text window, poke
|
||
* into widget->allocation for each child
|
||
*/
|
||
tmp_list = priv->children;
|
||
while (tmp_list != NULL)
|
||
{
|
||
GtkTextViewChild *child = tmp_list->data;
|
||
gint child_dx = 0, child_dy = 0;
|
||
|
||
if (child->anchor)
|
||
{
|
||
child_dx = dx;
|
||
child_dy = dy;
|
||
}
|
||
else
|
||
{
|
||
if (child->type == GTK_TEXT_WINDOW_TEXT ||
|
||
child->type == GTK_TEXT_WINDOW_LEFT ||
|
||
child->type == GTK_TEXT_WINDOW_RIGHT)
|
||
child_dy = dy;
|
||
if (child->type == GTK_TEXT_WINDOW_TEXT ||
|
||
child->type == GTK_TEXT_WINDOW_TOP ||
|
||
child->type == GTK_TEXT_WINDOW_BOTTOM)
|
||
child_dx = dx;
|
||
}
|
||
|
||
if (child_dx != 0 || child_dy != 0)
|
||
adjust_allocation (child->widget, child_dx, child_dy);
|
||
|
||
tmp_list = tmp_list->next;
|
||
}
|
||
}
|
||
|
||
/* This could result in invalidation, which would install the
|
||
* first_validate_idle, which would validate onscreen;
|
||
* but we're going to go ahead and validate here, so
|
||
* first_validate_idle shouldn't have anything to do.
|
||
*/
|
||
gtk_text_view_update_layout_width (text_view);
|
||
|
||
/* We also update the IM spot location here, since the IM context
|
||
* might do something that leads to validation.
|
||
*/
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
|
||
/* note that validation of onscreen could invoke this function
|
||
* recursively, by scrolling to maintain first_para, or in response
|
||
* to updating the layout width, however there is no problem with
|
||
* that, or shouldn't be.
|
||
*/
|
||
gtk_text_view_validate_onscreen (text_view);
|
||
|
||
/* If this got installed, get rid of it, it's just a waste of time. */
|
||
if (priv->first_validate_idle != 0)
|
||
{
|
||
g_source_remove (priv->first_validate_idle);
|
||
priv->first_validate_idle = 0;
|
||
}
|
||
|
||
/* Allow to extend selection with mouse scrollwheel. Bug 710612 */
|
||
if (gtk_gesture_is_active (priv->drag_gesture))
|
||
{
|
||
GdkEvent *current_event;
|
||
current_event = gtk_get_current_event ();
|
||
if (current_event != NULL)
|
||
{
|
||
if (current_event->type == GDK_SCROLL)
|
||
move_mark_to_pointer_and_scroll (text_view, "insert");
|
||
|
||
gdk_event_free (current_event);
|
||
}
|
||
}
|
||
|
||
/* Finally we update the IM cursor location again, to ensure any
|
||
* changes made by the validation are pushed through.
|
||
*/
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
|
||
if (priv->text_handle)
|
||
gtk_text_view_update_handles (text_view,
|
||
_gtk_text_handle_get_mode (priv->text_handle));
|
||
|
||
DV(g_print(">End scroll offset changed handler ("G_STRLOC")\n"));
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_commit_handler (GtkIMContext *context,
|
||
const gchar *str,
|
||
GtkTextView *text_view)
|
||
{
|
||
gtk_text_view_commit_text (text_view, str);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_commit_text (GtkTextView *text_view,
|
||
const gchar *str)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
gboolean had_selection;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_buffer_begin_user_action (get_buffer (text_view));
|
||
|
||
had_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
|
||
NULL, NULL);
|
||
|
||
gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
|
||
priv->editable);
|
||
|
||
if (!strcmp (str, "\n"))
|
||
{
|
||
if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), "\n", 1,
|
||
priv->editable))
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (!had_selection && priv->overwrite_mode)
|
||
{
|
||
GtkTextIter insert;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
if (!gtk_text_iter_ends_line (&insert))
|
||
gtk_text_view_delete_from_cursor (text_view, GTK_DELETE_CHARS, 1);
|
||
}
|
||
|
||
if (!gtk_text_buffer_insert_interactive_at_cursor (get_buffer (text_view), str, -1,
|
||
priv->editable))
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
gtk_text_buffer_end_user_action (get_buffer (text_view));
|
||
|
||
gtk_text_view_set_virtual_cursor_pos (text_view, -1, -1);
|
||
DV(g_print (G_STRLOC": scrolling onscreen\n"));
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_preedit_changed_handler (GtkIMContext *context,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
gchar *str;
|
||
PangoAttrList *attrs;
|
||
gint cursor_pos;
|
||
GtkTextIter iter;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
|
||
gtk_text_buffer_get_insert (priv->buffer));
|
||
|
||
/* Keypress events are passed to input method even if cursor position is
|
||
* not editable; so beep here if it's multi-key input sequence, input
|
||
* method will be reset in key-press-event handler.
|
||
*/
|
||
gtk_im_context_get_preedit_string (context, &str, &attrs, &cursor_pos);
|
||
|
||
if (str && str[0] && !gtk_text_iter_can_insert (&iter, priv->editable))
|
||
{
|
||
gtk_widget_error_bell (GTK_WIDGET (text_view));
|
||
goto out;
|
||
}
|
||
|
||
g_signal_emit (text_view, signals[PREEDIT_CHANGED], 0, str);
|
||
|
||
if (priv->layout)
|
||
gtk_text_layout_set_preedit_string (priv->layout, str, attrs, cursor_pos);
|
||
if (gtk_widget_has_focus (GTK_WIDGET (text_view)))
|
||
gtk_text_view_scroll_mark_onscreen (text_view,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
out:
|
||
pango_attr_list_unref (attrs);
|
||
g_free (str);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_retrieve_surrounding_handler (GtkIMContext *context,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
gint pos;
|
||
gchar *text;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (text_view->priv->buffer, &start,
|
||
gtk_text_buffer_get_insert (text_view->priv->buffer));
|
||
end = start;
|
||
|
||
pos = gtk_text_iter_get_line_index (&start);
|
||
gtk_text_iter_set_line_offset (&start, 0);
|
||
gtk_text_iter_forward_to_line_end (&end);
|
||
|
||
text = gtk_text_iter_get_slice (&start, &end);
|
||
gtk_im_context_set_surrounding (context, text, -1, pos);
|
||
g_free (text);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_delete_surrounding_handler (GtkIMContext *context,
|
||
gint offset,
|
||
gint n_chars,
|
||
GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter start;
|
||
GtkTextIter end;
|
||
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (priv->buffer, &start,
|
||
gtk_text_buffer_get_insert (priv->buffer));
|
||
end = start;
|
||
|
||
gtk_text_iter_forward_chars (&start, offset);
|
||
gtk_text_iter_forward_chars (&end, offset + n_chars);
|
||
|
||
gtk_text_buffer_delete_interactive (priv->buffer, &start, &end,
|
||
priv->editable);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_mark_set_handler (GtkTextBuffer *buffer,
|
||
const GtkTextIter *location,
|
||
GtkTextMark *mark,
|
||
gpointer data)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (data);
|
||
gboolean need_reset = FALSE;
|
||
gboolean has_selection;
|
||
|
||
if (mark == gtk_text_buffer_get_insert (buffer))
|
||
{
|
||
text_view->priv->virtual_cursor_x = -1;
|
||
text_view->priv->virtual_cursor_y = -1;
|
||
gtk_text_view_update_im_spot_location (text_view);
|
||
need_reset = TRUE;
|
||
}
|
||
else if (mark == gtk_text_buffer_get_selection_bound (buffer))
|
||
{
|
||
need_reset = TRUE;
|
||
}
|
||
|
||
if (need_reset)
|
||
{
|
||
gtk_text_view_reset_im_context (text_view);
|
||
if (text_view->priv->text_handle)
|
||
gtk_text_view_update_handles (text_view,
|
||
_gtk_text_handle_get_mode (text_view->priv->text_handle));
|
||
|
||
has_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view), NULL, NULL);
|
||
gtk_css_node_set_visible (text_view->priv->selection_node, has_selection);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_target_list_notify (GtkTextBuffer *buffer,
|
||
const GParamSpec *pspec,
|
||
gpointer data)
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (data);
|
||
GtkTargetList *view_list;
|
||
GtkTargetList *buffer_list;
|
||
GList *list;
|
||
|
||
view_list = gtk_drag_dest_get_target_list (widget);
|
||
buffer_list = gtk_text_buffer_get_paste_target_list (buffer);
|
||
|
||
if (view_list)
|
||
gtk_target_list_ref (view_list);
|
||
else
|
||
view_list = gtk_target_list_new (NULL, 0);
|
||
|
||
list = view_list->list;
|
||
while (list)
|
||
{
|
||
GtkTargetPair *pair = list->data;
|
||
|
||
list = list->next; /* get next element before removing */
|
||
|
||
if (pair->info >= GTK_TEXT_BUFFER_TARGET_INFO_TEXT &&
|
||
pair->info <= GTK_TEXT_BUFFER_TARGET_INFO_BUFFER_CONTENTS)
|
||
{
|
||
gtk_target_list_remove (view_list, pair->target);
|
||
}
|
||
}
|
||
|
||
for (list = buffer_list->list; list; list = list->next)
|
||
{
|
||
GtkTargetPair *pair = list->data;
|
||
|
||
gtk_target_list_add (view_list, pair->target, pair->flags, pair->info);
|
||
}
|
||
|
||
gtk_drag_dest_set_target_list (widget, view_list);
|
||
gtk_target_list_unref (view_list);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_virtual_cursor_pos (GtkTextView *text_view,
|
||
GtkTextIter *cursor,
|
||
gint *x,
|
||
gint *y)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter insert;
|
||
GdkRectangle pos;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (cursor)
|
||
insert = *cursor;
|
||
else
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &insert,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
if ((x && priv->virtual_cursor_x == -1) ||
|
||
(y && priv->virtual_cursor_y == -1))
|
||
gtk_text_layout_get_cursor_locations (priv->layout, &insert, &pos, NULL);
|
||
|
||
if (x)
|
||
{
|
||
if (priv->virtual_cursor_x != -1)
|
||
*x = priv->virtual_cursor_x;
|
||
else
|
||
*x = pos.x;
|
||
}
|
||
|
||
if (y)
|
||
{
|
||
if (priv->virtual_cursor_y != -1)
|
||
*y = priv->virtual_cursor_y;
|
||
else
|
||
*y = pos.y + pos.height / 2;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_set_virtual_cursor_pos (GtkTextView *text_view,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
GdkRectangle pos;
|
||
|
||
if (!text_view->priv->layout)
|
||
return;
|
||
|
||
if (x == -1 || y == -1)
|
||
gtk_text_view_get_cursor_locations (text_view, NULL, &pos, NULL);
|
||
|
||
text_view->priv->virtual_cursor_x = (x == -1) ? pos.x : x;
|
||
text_view->priv->virtual_cursor_y = (y == -1) ? pos.y + pos.height / 2 : y;
|
||
}
|
||
|
||
/* Quick hack of a popup menu
|
||
*/
|
||
static void
|
||
activate_cb (GtkWidget *menuitem,
|
||
GtkTextView *text_view)
|
||
{
|
||
const gchar *signal;
|
||
|
||
signal = g_object_get_qdata (G_OBJECT (menuitem), quark_gtk_signal);
|
||
g_signal_emit_by_name (text_view, signal);
|
||
}
|
||
|
||
static void
|
||
append_action_signal (GtkTextView *text_view,
|
||
GtkWidget *menu,
|
||
const gchar *label,
|
||
const gchar *signal,
|
||
gboolean sensitive)
|
||
{
|
||
GtkWidget *menuitem = gtk_menu_item_new_with_mnemonic (label);
|
||
|
||
g_object_set_qdata (G_OBJECT (menuitem), quark_gtk_signal, (char *)signal);
|
||
g_signal_connect (menuitem, "activate",
|
||
G_CALLBACK (activate_cb), text_view);
|
||
|
||
gtk_widget_set_sensitive (menuitem, sensitive);
|
||
|
||
gtk_widget_show (menuitem);
|
||
gtk_menu_shell_append (GTK_MENU_SHELL (menu), menuitem);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_select_all (GtkWidget *widget,
|
||
gboolean select)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
GtkTextBuffer *buffer;
|
||
GtkTextIter start_iter, end_iter, insert;
|
||
|
||
buffer = text_view->priv->buffer;
|
||
if (select)
|
||
{
|
||
gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
|
||
gtk_text_buffer_select_range (buffer, &start_iter, &end_iter);
|
||
}
|
||
else
|
||
{
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &insert,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &insert);
|
||
}
|
||
}
|
||
|
||
static void
|
||
select_all_cb (GtkWidget *menuitem,
|
||
GtkTextView *text_view)
|
||
{
|
||
gtk_text_view_select_all (GTK_WIDGET (text_view), TRUE);
|
||
}
|
||
|
||
static void
|
||
delete_cb (GtkTextView *text_view)
|
||
{
|
||
gtk_text_buffer_delete_selection (get_buffer (text_view), TRUE,
|
||
text_view->priv->editable);
|
||
}
|
||
|
||
static void
|
||
popup_menu_detach (GtkWidget *attach_widget,
|
||
GtkMenu *menu)
|
||
{
|
||
GTK_TEXT_VIEW (attach_widget)->priv->popup_menu = NULL;
|
||
}
|
||
|
||
static void
|
||
popup_position_func (GtkMenu *menu,
|
||
gint *x,
|
||
gint *y,
|
||
gboolean *push_in,
|
||
gpointer user_data)
|
||
{
|
||
GtkAllocation allocation;
|
||
GtkTextView *text_view;
|
||
GtkWidget *widget;
|
||
GdkRectangle cursor_rect;
|
||
GdkRectangle onscreen_rect;
|
||
gint root_x, root_y;
|
||
GtkTextIter iter;
|
||
GtkRequisition req;
|
||
GdkScreen *screen;
|
||
gint monitor_num;
|
||
GdkRectangle monitor;
|
||
|
||
text_view = GTK_TEXT_VIEW (user_data);
|
||
widget = GTK_WIDGET (text_view);
|
||
|
||
g_return_if_fail (gtk_widget_get_realized (widget));
|
||
|
||
screen = gtk_widget_get_screen (widget);
|
||
|
||
gdk_window_get_origin (gtk_widget_get_window (widget),
|
||
&root_x, &root_y);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&iter,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
gtk_text_view_get_iter_location (text_view,
|
||
&iter,
|
||
&cursor_rect);
|
||
|
||
gtk_text_view_get_visible_rect (text_view, &onscreen_rect);
|
||
|
||
gtk_widget_get_preferred_size (text_view->priv->popup_menu,
|
||
&req, NULL);
|
||
|
||
gtk_widget_get_allocation (widget, &allocation);
|
||
|
||
/* can't use rectangle_intersect since cursor rect can have 0 width */
|
||
if (cursor_rect.x >= onscreen_rect.x &&
|
||
cursor_rect.x < onscreen_rect.x + onscreen_rect.width &&
|
||
cursor_rect.y >= onscreen_rect.y &&
|
||
cursor_rect.y < onscreen_rect.y + onscreen_rect.height)
|
||
{
|
||
gtk_text_view_buffer_to_window_coords (text_view,
|
||
GTK_TEXT_WINDOW_WIDGET,
|
||
cursor_rect.x, cursor_rect.y,
|
||
&cursor_rect.x, &cursor_rect.y);
|
||
|
||
*x = root_x + cursor_rect.x + cursor_rect.width;
|
||
*y = root_y + cursor_rect.y + cursor_rect.height;
|
||
}
|
||
else
|
||
{
|
||
/* Just center the menu, since cursor is offscreen. */
|
||
*x = root_x + (allocation.width / 2 - req.width / 2);
|
||
*y = root_y + (allocation.height / 2 - req.height / 2);
|
||
}
|
||
|
||
/* Ensure sanity */
|
||
*x = CLAMP (*x, root_x, (root_x + allocation.width));
|
||
*y = CLAMP (*y, root_y, (root_y + allocation.height));
|
||
|
||
monitor_num = gdk_screen_get_monitor_at_point (screen, *x, *y);
|
||
gtk_menu_set_monitor (menu, monitor_num);
|
||
gdk_screen_get_monitor_workarea (screen, monitor_num, &monitor);
|
||
|
||
*x = CLAMP (*x, monitor.x, monitor.x + MAX (0, monitor.width - req.width));
|
||
*y = CLAMP (*y, monitor.y, monitor.y + MAX (0, monitor.height - req.height));
|
||
|
||
*push_in = FALSE;
|
||
}
|
||
|
||
typedef struct
|
||
{
|
||
GtkTextView *text_view;
|
||
guint button;
|
||
guint time;
|
||
GdkDevice *device;
|
||
} PopupInfo;
|
||
|
||
static gboolean
|
||
range_contains_editable_text (const GtkTextIter *start,
|
||
const GtkTextIter *end,
|
||
gboolean default_editability)
|
||
{
|
||
GtkTextIter iter = *start;
|
||
|
||
while (gtk_text_iter_compare (&iter, end) < 0)
|
||
{
|
||
if (gtk_text_iter_editable (&iter, default_editability))
|
||
return TRUE;
|
||
|
||
gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
popup_targets_received (GtkClipboard *clipboard,
|
||
GtkSelectionData *data,
|
||
gpointer user_data)
|
||
{
|
||
PopupInfo *info = user_data;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
|
||
text_view = info->text_view;
|
||
priv = text_view->priv;
|
||
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
{
|
||
/* We implicitely rely here on the fact that if we are pasting ourself, we'll
|
||
* have text targets as well as the private GTK_TEXT_BUFFER_CONTENTS target.
|
||
*/
|
||
gboolean clipboard_contains_text;
|
||
GtkWidget *menuitem;
|
||
gboolean have_selection;
|
||
gboolean can_insert;
|
||
GtkTextIter iter;
|
||
GtkTextIter sel_start, sel_end;
|
||
|
||
clipboard_contains_text = gtk_selection_data_targets_include_text (data);
|
||
|
||
if (priv->popup_menu)
|
||
gtk_widget_destroy (priv->popup_menu);
|
||
|
||
priv->popup_menu = gtk_menu_new ();
|
||
gtk_style_context_add_class (gtk_widget_get_style_context (priv->popup_menu),
|
||
GTK_STYLE_CLASS_CONTEXT_MENU);
|
||
|
||
gtk_menu_attach_to_widget (GTK_MENU (priv->popup_menu),
|
||
GTK_WIDGET (text_view),
|
||
popup_menu_detach);
|
||
|
||
have_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
|
||
&sel_start, &sel_end);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view),
|
||
&iter,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
|
||
can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
|
||
|
||
append_action_signal (text_view, priv->popup_menu, _("Cu_t"), "cut-clipboard",
|
||
have_selection &&
|
||
range_contains_editable_text (&sel_start, &sel_end,
|
||
priv->editable));
|
||
append_action_signal (text_view, priv->popup_menu, _("_Copy"), "copy-clipboard",
|
||
have_selection);
|
||
append_action_signal (text_view, priv->popup_menu, _("_Paste"), "paste-clipboard",
|
||
can_insert && clipboard_contains_text);
|
||
|
||
menuitem = gtk_menu_item_new_with_mnemonic (_("_Delete"));
|
||
gtk_widget_set_sensitive (menuitem,
|
||
have_selection &&
|
||
range_contains_editable_text (&sel_start, &sel_end,
|
||
priv->editable));
|
||
g_signal_connect_swapped (menuitem, "activate",
|
||
G_CALLBACK (delete_cb), text_view);
|
||
gtk_widget_show (menuitem);
|
||
gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
|
||
|
||
menuitem = gtk_separator_menu_item_new ();
|
||
gtk_widget_show (menuitem);
|
||
gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
|
||
|
||
menuitem = gtk_menu_item_new_with_mnemonic (_("Select _All"));
|
||
gtk_widget_set_sensitive (menuitem,
|
||
gtk_text_buffer_get_char_count (priv->buffer) > 0);
|
||
g_signal_connect (menuitem, "activate",
|
||
G_CALLBACK (select_all_cb), text_view);
|
||
gtk_widget_show (menuitem);
|
||
gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
|
||
|
||
g_signal_emit (text_view, signals[POPULATE_POPUP],
|
||
0, priv->popup_menu);
|
||
|
||
if (info->device)
|
||
gtk_menu_popup_for_device (GTK_MENU (priv->popup_menu),
|
||
info->device, NULL, NULL, NULL, NULL, NULL,
|
||
info->button, info->time);
|
||
else
|
||
{
|
||
gtk_menu_popup (GTK_MENU (priv->popup_menu), NULL, NULL,
|
||
popup_position_func, text_view,
|
||
0, gtk_get_current_event_time ());
|
||
gtk_menu_shell_select_first (GTK_MENU_SHELL (priv->popup_menu), FALSE);
|
||
}
|
||
}
|
||
|
||
g_object_unref (text_view);
|
||
g_slice_free (PopupInfo, info);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_do_popup (GtkTextView *text_view,
|
||
const GdkEvent *event)
|
||
{
|
||
PopupInfo *info = g_slice_new (PopupInfo);
|
||
|
||
/* In order to know what entries we should make sensitive, we
|
||
* ask for the current targets of the clipboard, and when
|
||
* we get them, then we actually pop up the menu.
|
||
*/
|
||
info->text_view = g_object_ref (text_view);
|
||
|
||
if (event)
|
||
{
|
||
gdk_event_get_button (event, &info->button);
|
||
info->time = gdk_event_get_time (event);
|
||
info->device = gdk_event_get_device (event);
|
||
}
|
||
else
|
||
{
|
||
info->button = 0;
|
||
info->time = gtk_get_current_event_time ();
|
||
info->device = NULL;
|
||
}
|
||
|
||
gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_CLIPBOARD),
|
||
gdk_atom_intern_static_string ("TARGETS"),
|
||
popup_targets_received,
|
||
info);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_popup_menu (GtkWidget *widget)
|
||
{
|
||
gtk_text_view_do_popup (GTK_TEXT_VIEW (widget), NULL);
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_selection_rect (GtkTextView *text_view,
|
||
cairo_rectangle_int_t *rect)
|
||
{
|
||
cairo_rectangle_int_t rect_cursor, rect_bound;
|
||
GtkTextIter cursor, bound;
|
||
GtkTextBuffer *buffer;
|
||
gint x1, y1, x2, y2;
|
||
|
||
buffer = get_buffer (text_view);
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &cursor,
|
||
gtk_text_buffer_get_insert (buffer));
|
||
gtk_text_buffer_get_iter_at_mark (buffer, &bound,
|
||
gtk_text_buffer_get_selection_bound (buffer));
|
||
|
||
gtk_text_view_get_cursor_locations (text_view, &cursor, &rect_cursor, NULL);
|
||
gtk_text_view_get_cursor_locations (text_view, &bound, &rect_bound, NULL);
|
||
|
||
x1 = MIN (rect_cursor.x, rect_bound.x);
|
||
x2 = MAX (rect_cursor.x, rect_bound.x);
|
||
y1 = MIN (rect_cursor.y, rect_bound.y);
|
||
y2 = MAX (rect_cursor.y + rect_cursor.height, rect_bound.y + rect_bound.height);
|
||
|
||
rect->x = x1;
|
||
rect->y = y1;
|
||
rect->width = x2 - x1;
|
||
rect->height = y2 - y1;
|
||
}
|
||
|
||
static void
|
||
show_or_hide_handles (GtkWidget *popover,
|
||
GParamSpec *pspec,
|
||
GtkTextView *text_view)
|
||
{
|
||
gboolean visible;
|
||
GtkTextHandle *handle;
|
||
GtkTextHandleMode mode;
|
||
|
||
visible = gtk_widget_get_visible (popover);
|
||
|
||
handle = text_view->priv->text_handle;
|
||
mode = _gtk_text_handle_get_mode (handle);
|
||
|
||
if (!visible)
|
||
gtk_text_view_update_handles (text_view, mode);
|
||
else
|
||
{
|
||
_gtk_text_handle_set_visible (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_START, FALSE);
|
||
_gtk_text_handle_set_visible (handle, GTK_TEXT_HANDLE_POSITION_SELECTION_END, FALSE);
|
||
}
|
||
}
|
||
|
||
static void
|
||
activate_bubble_cb (GtkWidget *item,
|
||
GtkTextView *text_view)
|
||
{
|
||
const gchar *signal;
|
||
|
||
signal = g_object_get_qdata (G_OBJECT (item), quark_gtk_signal);
|
||
gtk_widget_hide (text_view->priv->selection_bubble);
|
||
g_signal_emit_by_name (text_view, signal);
|
||
}
|
||
|
||
static void
|
||
append_bubble_action (GtkTextView *text_view,
|
||
GtkWidget *toolbar,
|
||
const gchar *label,
|
||
const gchar *icon_name,
|
||
const gchar *signal,
|
||
gboolean sensitive)
|
||
{
|
||
GtkWidget *item, *image;
|
||
|
||
item = gtk_button_new ();
|
||
gtk_widget_set_focus_on_click (item, FALSE);
|
||
image = gtk_image_new_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
|
||
gtk_widget_show (image);
|
||
gtk_container_add (GTK_CONTAINER (item), image);
|
||
gtk_widget_set_tooltip_text (item, label);
|
||
gtk_style_context_add_class (gtk_widget_get_style_context (item), "image-button");
|
||
g_object_set_qdata (G_OBJECT (item), quark_gtk_signal, (char *)signal);
|
||
g_signal_connect (item, "clicked", G_CALLBACK (activate_bubble_cb), text_view);
|
||
gtk_widget_set_sensitive (GTK_WIDGET (item), sensitive);
|
||
gtk_widget_show (GTK_WIDGET (item));
|
||
gtk_container_add (GTK_CONTAINER (toolbar), item);
|
||
}
|
||
|
||
static void
|
||
bubble_targets_received (GtkClipboard *clipboard,
|
||
GtkSelectionData *data,
|
||
gpointer user_data)
|
||
{
|
||
GtkTextView *text_view = user_data;
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
cairo_rectangle_int_t rect;
|
||
gboolean has_selection;
|
||
gboolean has_clipboard;
|
||
gboolean can_insert;
|
||
gboolean all_selected;
|
||
GtkTextIter iter;
|
||
GtkTextIter sel_start, sel_end;
|
||
GtkTextIter start, end;
|
||
GtkWidget *box;
|
||
GtkWidget *toolbar;
|
||
|
||
has_selection = gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
|
||
&sel_start, &sel_end);
|
||
gtk_text_buffer_get_bounds (get_buffer (text_view), &start, &end);
|
||
|
||
all_selected = gtk_text_iter_equal (&start, &sel_start) &&
|
||
gtk_text_iter_equal (&end, &sel_end);
|
||
|
||
if (!priv->editable && !has_selection)
|
||
{
|
||
priv->selection_bubble_timeout_id = 0;
|
||
return;
|
||
}
|
||
|
||
if (priv->selection_bubble)
|
||
gtk_widget_destroy (priv->selection_bubble);
|
||
|
||
priv->selection_bubble = gtk_popover_new (GTK_WIDGET (text_view));
|
||
gtk_style_context_add_class (gtk_widget_get_style_context (priv->selection_bubble),
|
||
GTK_STYLE_CLASS_TOUCH_SELECTION);
|
||
gtk_popover_set_position (GTK_POPOVER (priv->selection_bubble), GTK_POS_BOTTOM);
|
||
gtk_popover_set_modal (GTK_POPOVER (priv->selection_bubble), FALSE);
|
||
g_signal_connect (priv->selection_bubble, "notify::visible",
|
||
G_CALLBACK (show_or_hide_handles), text_view);
|
||
|
||
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
|
||
g_object_set (box, "margin", 10, NULL);
|
||
gtk_widget_show (box);
|
||
toolbar = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
|
||
gtk_widget_show (toolbar);
|
||
gtk_container_add (GTK_CONTAINER (priv->selection_bubble), box);
|
||
gtk_container_add (GTK_CONTAINER (box), toolbar);
|
||
|
||
gtk_text_buffer_get_iter_at_mark (get_buffer (text_view), &iter,
|
||
gtk_text_buffer_get_insert (get_buffer (text_view)));
|
||
can_insert = gtk_text_iter_can_insert (&iter, priv->editable);
|
||
has_clipboard = gtk_selection_data_targets_include_text (data);
|
||
|
||
if (range_contains_editable_text (&sel_start, &sel_end, priv->editable) && has_selection)
|
||
append_bubble_action (text_view, toolbar, _("Select all"), "edit-select-all-symbolic", "select-all", !all_selected);
|
||
|
||
if (range_contains_editable_text (&sel_start, &sel_end, priv->editable) && has_selection)
|
||
append_bubble_action (text_view, toolbar, _("Cut"), "edit-cut-symbolic", "cut-clipboard", TRUE);
|
||
|
||
if (has_selection)
|
||
append_bubble_action (text_view, toolbar, _("Copy"), "edit-copy-symbolic", "copy-clipboard", TRUE);
|
||
|
||
if (can_insert)
|
||
append_bubble_action (text_view, toolbar, _("Paste"), "edit-paste-symbolic", "paste-clipboard", has_clipboard);
|
||
|
||
if (priv->populate_all)
|
||
g_signal_emit (text_view, signals[POPULATE_POPUP], 0, box);
|
||
|
||
gtk_text_view_get_selection_rect (text_view, &rect);
|
||
rect.x -= priv->xoffset;
|
||
rect.y -= priv->yoffset;
|
||
|
||
_text_window_to_widget_coords (text_view, &rect.x, &rect.y);
|
||
|
||
rect.x -= 5;
|
||
rect.y -= 5;
|
||
rect.width += 10;
|
||
rect.height += 10;
|
||
|
||
gtk_popover_set_pointing_to (GTK_POPOVER (priv->selection_bubble), &rect);
|
||
gtk_widget_show (priv->selection_bubble);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_text_view_selection_bubble_popup_show (gpointer user_data)
|
||
{
|
||
GtkTextView *text_view = user_data;
|
||
gtk_clipboard_request_contents (gtk_widget_get_clipboard (GTK_WIDGET (text_view),
|
||
GDK_SELECTION_CLIPBOARD),
|
||
gdk_atom_intern_static_string ("TARGETS"),
|
||
bubble_targets_received,
|
||
text_view);
|
||
text_view->priv->selection_bubble_timeout_id = 0;
|
||
|
||
return G_SOURCE_REMOVE;
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_selection_bubble_popup_unset (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->selection_bubble)
|
||
gtk_widget_hide (priv->selection_bubble);
|
||
|
||
if (priv->selection_bubble_timeout_id)
|
||
{
|
||
g_source_remove (priv->selection_bubble_timeout_id);
|
||
priv->selection_bubble_timeout_id = 0;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_selection_bubble_popup_set (GtkTextView *text_view)
|
||
{
|
||
GtkTextViewPrivate *priv;
|
||
|
||
priv = text_view->priv;
|
||
|
||
if (priv->selection_bubble_timeout_id)
|
||
g_source_remove (priv->selection_bubble_timeout_id);
|
||
|
||
priv->selection_bubble_timeout_id =
|
||
gdk_threads_add_timeout (50, gtk_text_view_selection_bubble_popup_show,
|
||
text_view);
|
||
g_source_set_name_by_id (priv->selection_bubble_timeout_id, "[gtk+] gtk_text_view_selection_bubble_popup_cb");
|
||
}
|
||
|
||
/* Child GdkWindows */
|
||
|
||
static void
|
||
node_style_changed_cb (GtkCssNode *node,
|
||
GtkCssStyleChange *change,
|
||
GtkWidget *widget)
|
||
{
|
||
if (gtk_css_style_change_affects (change, GTK_CSS_AFFECTS_SIZE | GTK_CSS_AFFECTS_CLIP))
|
||
gtk_widget_queue_resize (widget);
|
||
else
|
||
gtk_widget_queue_draw (widget);
|
||
}
|
||
|
||
static void
|
||
update_node_ordering (GtkWidget *widget)
|
||
{
|
||
GtkTextViewPrivate *priv = GTK_TEXT_VIEW (widget)->priv;
|
||
GtkCssNode *widget_node, *sibling;
|
||
|
||
if (priv->text_window == NULL)
|
||
return;
|
||
|
||
widget_node = gtk_widget_get_css_node (widget);
|
||
sibling = priv->text_window->css_node;
|
||
|
||
if (priv->left_window)
|
||
{
|
||
gtk_css_node_insert_before (widget_node, priv->left_window->css_node, sibling);
|
||
sibling = priv->left_window->css_node;
|
||
}
|
||
if (priv->top_window)
|
||
{
|
||
gtk_css_node_insert_before (widget_node, priv->top_window->css_node, sibling);
|
||
}
|
||
|
||
sibling = priv->text_window->css_node;
|
||
if (priv->right_window)
|
||
{
|
||
gtk_css_node_insert_after (widget_node, priv->right_window->css_node, sibling);
|
||
sibling = priv->right_window->css_node;
|
||
}
|
||
if (priv->bottom_window)
|
||
{
|
||
gtk_css_node_insert_after (widget_node, priv->bottom_window->css_node, sibling);
|
||
}
|
||
}
|
||
|
||
static GtkTextWindow*
|
||
text_window_new (GtkTextWindowType type,
|
||
GtkWidget *widget,
|
||
gint width_request,
|
||
gint height_request)
|
||
{
|
||
GtkTextWindow *win;
|
||
GtkCssNode *widget_node;
|
||
|
||
win = g_slice_new (GtkTextWindow);
|
||
|
||
win->type = type;
|
||
win->widget = widget;
|
||
win->window = NULL;
|
||
win->bin_window = NULL;
|
||
win->requisition.width = width_request;
|
||
win->requisition.height = height_request;
|
||
win->allocation.width = width_request;
|
||
win->allocation.height = height_request;
|
||
win->allocation.x = 0;
|
||
win->allocation.y = 0;
|
||
|
||
widget_node = gtk_widget_get_css_node (widget);
|
||
win->css_node = gtk_css_node_new ();
|
||
gtk_css_node_set_parent (win->css_node, widget_node);
|
||
gtk_css_node_set_state (win->css_node, gtk_css_node_get_state (widget_node));
|
||
g_signal_connect_object (win->css_node, "style-changed", G_CALLBACK (node_style_changed_cb), widget, 0);
|
||
if (type == GTK_TEXT_WINDOW_TEXT)
|
||
{
|
||
gtk_css_node_set_name (win->css_node, I_("text"));
|
||
}
|
||
else
|
||
{
|
||
gtk_css_node_set_name (win->css_node, I_("border"));
|
||
switch (type)
|
||
{
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
gtk_css_node_add_class (win->css_node, g_quark_from_static_string (GTK_STYLE_CLASS_LEFT));
|
||
break;
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
gtk_css_node_add_class (win->css_node, g_quark_from_static_string (GTK_STYLE_CLASS_RIGHT));
|
||
break;
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
gtk_css_node_add_class (win->css_node, g_quark_from_static_string (GTK_STYLE_CLASS_TOP));
|
||
break;
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
gtk_css_node_add_class (win->css_node, g_quark_from_static_string (GTK_STYLE_CLASS_BOTTOM));
|
||
break;
|
||
default: /* no extra style class */ ;
|
||
}
|
||
}
|
||
g_object_unref (win->css_node);
|
||
|
||
return win;
|
||
}
|
||
|
||
static void
|
||
text_window_free (GtkTextWindow *win)
|
||
{
|
||
if (win->window)
|
||
text_window_unrealize (win);
|
||
|
||
gtk_css_node_set_parent (win->css_node, NULL);
|
||
|
||
g_slice_free (GtkTextWindow, win);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_get_rendered_rect (GtkTextView *text_view,
|
||
GdkRectangle *rect)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
GdkWindow *window;
|
||
guint extra_w;
|
||
guint extra_h;
|
||
|
||
_gtk_pixel_cache_get_extra_size (priv->pixel_cache, &extra_w, &extra_h);
|
||
|
||
window = gtk_text_view_get_window (text_view, GTK_TEXT_WINDOW_TEXT);
|
||
|
||
rect->x = gtk_adjustment_get_value (priv->hadjustment) - extra_w;
|
||
rect->y = gtk_adjustment_get_value (priv->vadjustment) - extra_h - priv->top_border;
|
||
|
||
rect->height = gdk_window_get_height (window) + (extra_h * 2);
|
||
rect->width = gdk_window_get_width (window) + (extra_w * 2);
|
||
}
|
||
|
||
static void
|
||
gtk_text_view_queue_draw_region (GtkWidget *widget,
|
||
const cairo_region_t *region)
|
||
{
|
||
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
|
||
|
||
/* There is no way we can know if a region targets the
|
||
not-currently-visible but in pixel cache region, so we
|
||
always just invalidate the whole thing whenever the
|
||
text view gets a queue draw. This doesn't normally happen
|
||
in normal scrolling cases anyway. */
|
||
_gtk_pixel_cache_invalidate (text_view->priv->pixel_cache, NULL);
|
||
|
||
GTK_WIDGET_CLASS (gtk_text_view_parent_class)->queue_draw_region (widget, region);
|
||
}
|
||
|
||
static void
|
||
text_window_invalidate_handler (GdkWindow *window,
|
||
cairo_region_t *region)
|
||
{
|
||
gpointer widget;
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
int x, y;
|
||
|
||
gdk_window_get_user_data (window, &widget);
|
||
text_view = GTK_TEXT_VIEW (widget);
|
||
priv = text_view->priv;
|
||
|
||
/* Scrolling will invalidate everything in the bin window,
|
||
* but we already have it in the cache, so we can ignore that */
|
||
if (priv->in_scroll)
|
||
return;
|
||
|
||
x = priv->xoffset;
|
||
y = priv->yoffset + priv->top_border;
|
||
|
||
cairo_region_translate (region, x, y);
|
||
_gtk_pixel_cache_invalidate (priv->pixel_cache, region);
|
||
cairo_region_translate (region, -x, -y);
|
||
}
|
||
|
||
static void
|
||
text_window_realize (GtkTextWindow *win,
|
||
GtkWidget *widget)
|
||
{
|
||
GdkWindow *window;
|
||
GdkWindowAttr attributes;
|
||
gint attributes_mask;
|
||
GdkDisplay *display;
|
||
GdkCursor *cursor;
|
||
|
||
attributes.window_type = GDK_WINDOW_CHILD;
|
||
attributes.x = win->allocation.x;
|
||
attributes.y = win->allocation.y;
|
||
attributes.width = win->allocation.width;
|
||
attributes.height = win->allocation.height;
|
||
attributes.wclass = GDK_INPUT_OUTPUT;
|
||
attributes.visual = gtk_widget_get_visual (win->widget);
|
||
attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;
|
||
|
||
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
|
||
|
||
window = gtk_widget_get_window (widget);
|
||
|
||
win->window = gdk_window_new (window,
|
||
&attributes, attributes_mask);
|
||
|
||
gdk_window_show (win->window);
|
||
gtk_widget_register_window (win->widget, win->window);
|
||
gdk_window_lower (win->window);
|
||
|
||
attributes.x = 0;
|
||
attributes.y = 0;
|
||
attributes.width = win->allocation.width;
|
||
attributes.height = win->allocation.height;
|
||
attributes.event_mask = gtk_widget_get_events (win->widget)
|
||
| GDK_SCROLL_MASK
|
||
| GDK_SMOOTH_SCROLL_MASK
|
||
| GDK_KEY_PRESS_MASK
|
||
| GDK_BUTTON_PRESS_MASK
|
||
| GDK_BUTTON_RELEASE_MASK
|
||
| GDK_POINTER_MOTION_MASK;
|
||
|
||
win->bin_window = gdk_window_new (win->window,
|
||
&attributes,
|
||
attributes_mask);
|
||
|
||
gtk_widget_register_window (win->widget, win->bin_window);
|
||
|
||
if (win->type == GTK_TEXT_WINDOW_TEXT)
|
||
gdk_window_set_invalidate_handler (win->bin_window,
|
||
text_window_invalidate_handler);
|
||
|
||
gdk_window_show (win->bin_window);
|
||
|
||
switch (win->type)
|
||
{
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
if (gtk_widget_is_sensitive (widget))
|
||
{
|
||
display = gdk_window_get_display (window);
|
||
cursor = gdk_cursor_new_from_name (display, "text");
|
||
gdk_window_set_cursor (win->bin_window, cursor);
|
||
g_clear_object (&cursor);
|
||
}
|
||
|
||
gtk_im_context_set_client_window (GTK_TEXT_VIEW (widget)->priv->im_context,
|
||
win->window);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
g_object_set_qdata (G_OBJECT (win->window),
|
||
g_quark_from_static_string ("gtk-text-view-text-window"),
|
||
win);
|
||
|
||
g_object_set_qdata (G_OBJECT (win->bin_window),
|
||
g_quark_from_static_string ("gtk-text-view-text-window"),
|
||
win);
|
||
}
|
||
|
||
static void
|
||
text_window_unrealize (GtkTextWindow *win)
|
||
{
|
||
if (win->type == GTK_TEXT_WINDOW_TEXT)
|
||
{
|
||
gtk_im_context_set_client_window (GTK_TEXT_VIEW (win->widget)->priv->im_context,
|
||
NULL);
|
||
}
|
||
|
||
gtk_widget_unregister_window (win->widget, win->window);
|
||
gtk_widget_unregister_window (win->widget, win->bin_window);
|
||
gdk_window_destroy (win->bin_window);
|
||
gdk_window_destroy (win->window);
|
||
win->window = NULL;
|
||
win->bin_window = NULL;
|
||
}
|
||
|
||
static void
|
||
text_window_size_allocate (GtkTextWindow *win,
|
||
GdkRectangle *rect)
|
||
{
|
||
win->allocation = *rect;
|
||
|
||
if (win->window)
|
||
{
|
||
gdk_window_move_resize (win->window,
|
||
rect->x, rect->y,
|
||
rect->width, rect->height);
|
||
|
||
gdk_window_resize (win->bin_window,
|
||
rect->width, rect->height);
|
||
}
|
||
}
|
||
|
||
static void
|
||
text_window_scroll (GtkTextWindow *win,
|
||
gint dx,
|
||
gint dy)
|
||
{
|
||
GtkTextView *view = GTK_TEXT_VIEW (win->widget);
|
||
GtkTextViewPrivate *priv = view->priv;
|
||
|
||
if (dx != 0 || dy != 0)
|
||
{
|
||
if (priv->selection_bubble)
|
||
gtk_widget_hide (priv->selection_bubble);
|
||
view->priv->in_scroll = TRUE;
|
||
gdk_window_scroll (win->bin_window, dx, dy);
|
||
view->priv->in_scroll = FALSE;
|
||
}
|
||
}
|
||
|
||
static void
|
||
text_window_invalidate_rect (GtkTextWindow *win,
|
||
GdkRectangle *rect)
|
||
{
|
||
GdkRectangle window_rect;
|
||
|
||
if (!win->bin_window)
|
||
return;
|
||
|
||
gtk_text_view_buffer_to_window_coords (GTK_TEXT_VIEW (win->widget),
|
||
win->type,
|
||
rect->x,
|
||
rect->y,
|
||
&window_rect.x,
|
||
&window_rect.y);
|
||
|
||
window_rect.width = rect->width;
|
||
window_rect.height = rect->height;
|
||
|
||
/* Adjust the rect as appropriate */
|
||
|
||
switch (win->type)
|
||
{
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
window_rect.x = 0;
|
||
window_rect.width = win->allocation.width;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
window_rect.y = 0;
|
||
window_rect.height = win->allocation.height;
|
||
break;
|
||
|
||
default:
|
||
g_warning ("%s: bug!", G_STRFUNC);
|
||
return;
|
||
break;
|
||
}
|
||
|
||
gdk_window_invalidate_rect (win->bin_window, &window_rect, FALSE);
|
||
|
||
#if 0
|
||
{
|
||
cairo_t *cr = gdk_cairo_create (win->bin_window);
|
||
gdk_cairo_rectangle (cr, &window_rect);
|
||
cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); /* red */
|
||
cairo_fill (cr);
|
||
cairo_destroy (cr);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
text_window_invalidate_cursors (GtkTextWindow *win)
|
||
{
|
||
GtkTextView *text_view;
|
||
GtkTextViewPrivate *priv;
|
||
GtkTextIter iter;
|
||
GdkRectangle strong;
|
||
GdkRectangle weak;
|
||
gboolean draw_arrow;
|
||
gfloat cursor_aspect_ratio;
|
||
gint stem_width;
|
||
gint arrow_width;
|
||
|
||
text_view = GTK_TEXT_VIEW (win->widget);
|
||
priv = text_view->priv;
|
||
|
||
gtk_text_buffer_get_iter_at_mark (priv->buffer, &iter,
|
||
gtk_text_buffer_get_insert (priv->buffer));
|
||
|
||
if (_gtk_text_layout_get_block_cursor (priv->layout, &strong))
|
||
{
|
||
text_window_invalidate_rect (win, &strong);
|
||
return;
|
||
}
|
||
|
||
gtk_text_layout_get_cursor_locations (priv->layout, &iter,
|
||
&strong, &weak);
|
||
|
||
/* cursor width calculation as in gtkstylecontext.c:draw_insertion_cursor(),
|
||
* ignoring the text direction be exposing both sides of the cursor
|
||
*/
|
||
|
||
draw_arrow = (strong.x != weak.x || strong.y != weak.y);
|
||
|
||
gtk_widget_style_get (win->widget,
|
||
"cursor-aspect-ratio", &cursor_aspect_ratio,
|
||
NULL);
|
||
|
||
stem_width = strong.height * cursor_aspect_ratio + 1;
|
||
arrow_width = stem_width + 1;
|
||
|
||
strong.width = stem_width;
|
||
|
||
/* round up to the next even number */
|
||
if (stem_width & 1)
|
||
stem_width++;
|
||
|
||
strong.x -= stem_width / 2;
|
||
strong.width += stem_width;
|
||
|
||
if (draw_arrow)
|
||
{
|
||
strong.x -= arrow_width;
|
||
strong.width += arrow_width * 2;
|
||
}
|
||
|
||
text_window_invalidate_rect (win, &strong);
|
||
|
||
if (draw_arrow) /* == have weak */
|
||
{
|
||
stem_width = weak.height * cursor_aspect_ratio + 1;
|
||
arrow_width = stem_width + 1;
|
||
|
||
weak.width = stem_width;
|
||
|
||
/* round up to the next even number */
|
||
if (stem_width & 1)
|
||
stem_width++;
|
||
|
||
weak.x -= stem_width / 2;
|
||
weak.width += stem_width;
|
||
|
||
weak.x -= arrow_width;
|
||
weak.width += arrow_width * 2;
|
||
|
||
text_window_invalidate_rect (win, &weak);
|
||
}
|
||
}
|
||
|
||
static gint
|
||
text_window_get_width (GtkTextWindow *win)
|
||
{
|
||
return win->allocation.width;
|
||
}
|
||
|
||
static gint
|
||
text_window_get_height (GtkTextWindow *win)
|
||
{
|
||
return win->allocation.height;
|
||
}
|
||
|
||
/* Windows */
|
||
|
||
|
||
/**
|
||
* gtk_text_view_get_window:
|
||
* @text_view: a #GtkTextView
|
||
* @win: window to get
|
||
*
|
||
* Retrieves the #GdkWindow corresponding to an area of the text view;
|
||
* possible windows include the overall widget window, child windows
|
||
* on the left, right, top, bottom, and the window that displays the
|
||
* text buffer. Windows are %NULL and nonexistent if their width or
|
||
* height is 0, and are nonexistent before the widget has been
|
||
* realized.
|
||
*
|
||
* Returns: (nullable) (transfer none): a #GdkWindow, or %NULL
|
||
**/
|
||
GdkWindow*
|
||
gtk_text_view_get_window (GtkTextView *text_view,
|
||
GtkTextWindowType win)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), NULL);
|
||
|
||
switch (win)
|
||
{
|
||
case GTK_TEXT_WINDOW_WIDGET:
|
||
return gtk_widget_get_window (GTK_WIDGET (text_view));
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
return priv->text_window->bin_window;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
if (priv->left_window)
|
||
return priv->left_window->bin_window;
|
||
else
|
||
return NULL;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
if (priv->right_window)
|
||
return priv->right_window->bin_window;
|
||
else
|
||
return NULL;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
if (priv->top_window)
|
||
return priv->top_window->bin_window;
|
||
else
|
||
return NULL;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
if (priv->bottom_window)
|
||
return priv->bottom_window->bin_window;
|
||
else
|
||
return NULL;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_PRIVATE:
|
||
g_warning ("%s: You can't get GTK_TEXT_WINDOW_PRIVATE, it has \"PRIVATE\" in the name because it is private.", G_STRFUNC);
|
||
return NULL;
|
||
break;
|
||
}
|
||
|
||
g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
|
||
return NULL;
|
||
}
|
||
|
||
static GtkCssNode *
|
||
gtk_text_view_get_css_node (GtkTextView *text_view,
|
||
GtkTextWindowType win)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
switch (win)
|
||
{
|
||
case GTK_TEXT_WINDOW_WIDGET:
|
||
return gtk_widget_get_css_node (GTK_WIDGET (text_view));
|
||
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
return priv->text_window->css_node;
|
||
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
if (priv->left_window)
|
||
return priv->left_window->css_node;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
if (priv->right_window)
|
||
return priv->right_window->css_node;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
if (priv->top_window)
|
||
return priv->top_window->css_node;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
if (priv->bottom_window)
|
||
return priv->bottom_window->css_node;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_window_type:
|
||
* @text_view: a #GtkTextView
|
||
* @window: a window type
|
||
*
|
||
* Usually used to find out which window an event corresponds to.
|
||
* If you connect to an event signal on @text_view, this function
|
||
* should be called on `event->window` to
|
||
* see which window it was.
|
||
*
|
||
* Returns: the window type.
|
||
**/
|
||
GtkTextWindowType
|
||
gtk_text_view_get_window_type (GtkTextView *text_view,
|
||
GdkWindow *window)
|
||
{
|
||
GtkTextWindow *win;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
|
||
|
||
if (window == gtk_widget_get_window (GTK_WIDGET (text_view)))
|
||
return GTK_TEXT_WINDOW_WIDGET;
|
||
|
||
win = g_object_get_qdata (G_OBJECT (window),
|
||
g_quark_try_string ("gtk-text-view-text-window"));
|
||
|
||
if (win)
|
||
return win->type;
|
||
else
|
||
{
|
||
return GTK_TEXT_WINDOW_PRIVATE;
|
||
}
|
||
}
|
||
|
||
static void
|
||
buffer_to_widget (GtkTextView *text_view,
|
||
gint buffer_x,
|
||
gint buffer_y,
|
||
gint *window_x,
|
||
gint *window_y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (window_x)
|
||
{
|
||
*window_x = buffer_x - priv->xoffset;
|
||
*window_x += priv->text_window->allocation.x;
|
||
}
|
||
|
||
if (window_y)
|
||
{
|
||
*window_y = buffer_y - priv->yoffset;
|
||
*window_y += priv->text_window->allocation.y;
|
||
}
|
||
}
|
||
|
||
static void
|
||
widget_to_text_window (GtkTextWindow *win,
|
||
gint widget_x,
|
||
gint widget_y,
|
||
gint *window_x,
|
||
gint *window_y)
|
||
{
|
||
if (window_x)
|
||
*window_x = widget_x - win->allocation.x;
|
||
|
||
if (window_y)
|
||
*window_y = widget_y - win->allocation.y;
|
||
}
|
||
|
||
static void
|
||
buffer_to_text_window (GtkTextView *text_view,
|
||
GtkTextWindow *win,
|
||
gint buffer_x,
|
||
gint buffer_y,
|
||
gint *window_x,
|
||
gint *window_y)
|
||
{
|
||
if (win == NULL)
|
||
{
|
||
g_warning ("Attempt to convert text buffer coordinates to coordinates "
|
||
"for a nonexistent or private child window of GtkTextView");
|
||
return;
|
||
}
|
||
|
||
buffer_to_widget (text_view,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
|
||
widget_to_text_window (win,
|
||
window_x ? *window_x : 0,
|
||
window_y ? *window_y : 0,
|
||
window_x,
|
||
window_y);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_buffer_to_window_coords:
|
||
* @text_view: a #GtkTextView
|
||
* @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
|
||
* @buffer_x: buffer x coordinate
|
||
* @buffer_y: buffer y coordinate
|
||
* @window_x: (out) (allow-none): window x coordinate return location or %NULL
|
||
* @window_y: (out) (allow-none): window y coordinate return location or %NULL
|
||
*
|
||
* Converts coordinate (@buffer_x, @buffer_y) to coordinates for the window
|
||
* @win, and stores the result in (@window_x, @window_y).
|
||
*
|
||
* Note that you can’t convert coordinates for a nonexisting window (see
|
||
* gtk_text_view_set_border_window_size()).
|
||
**/
|
||
void
|
||
gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
|
||
GtkTextWindowType win,
|
||
gint buffer_x,
|
||
gint buffer_y,
|
||
gint *window_x,
|
||
gint *window_y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
switch (win)
|
||
{
|
||
case GTK_TEXT_WINDOW_WIDGET:
|
||
buffer_to_widget (text_view,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
if (window_x)
|
||
*window_x = buffer_x - priv->xoffset;
|
||
if (window_y)
|
||
*window_y = buffer_y - priv->yoffset;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
buffer_to_text_window (text_view,
|
||
priv->left_window,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
buffer_to_text_window (text_view,
|
||
priv->right_window,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
buffer_to_text_window (text_view,
|
||
priv->top_window,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
buffer_to_text_window (text_view,
|
||
priv->bottom_window,
|
||
buffer_x, buffer_y,
|
||
window_x, window_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_PRIVATE:
|
||
g_warning ("%s: can't get coords for private windows", G_STRFUNC);
|
||
break;
|
||
|
||
default:
|
||
g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
widget_to_buffer (GtkTextView *text_view,
|
||
gint widget_x,
|
||
gint widget_y,
|
||
gint *buffer_x,
|
||
gint *buffer_y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
if (buffer_x)
|
||
{
|
||
*buffer_x = widget_x + priv->xoffset;
|
||
*buffer_x -= priv->text_window->allocation.x;
|
||
}
|
||
|
||
if (buffer_y)
|
||
{
|
||
*buffer_y = widget_y + priv->yoffset;
|
||
*buffer_y -= priv->text_window->allocation.y;
|
||
}
|
||
}
|
||
|
||
static void
|
||
text_window_to_widget (GtkTextWindow *win,
|
||
gint window_x,
|
||
gint window_y,
|
||
gint *widget_x,
|
||
gint *widget_y)
|
||
{
|
||
if (widget_x)
|
||
*widget_x = window_x + win->allocation.x;
|
||
|
||
if (widget_y)
|
||
*widget_y = window_y + win->allocation.y;
|
||
}
|
||
|
||
static void
|
||
text_window_to_buffer (GtkTextView *text_view,
|
||
GtkTextWindow *win,
|
||
gint window_x,
|
||
gint window_y,
|
||
gint *buffer_x,
|
||
gint *buffer_y)
|
||
{
|
||
if (win == NULL)
|
||
{
|
||
g_warning ("Attempt to convert GtkTextView buffer coordinates into "
|
||
"coordinates for a nonexistent child window.");
|
||
return;
|
||
}
|
||
|
||
text_window_to_widget (win,
|
||
window_x,
|
||
window_y,
|
||
buffer_x,
|
||
buffer_y);
|
||
|
||
widget_to_buffer (text_view,
|
||
buffer_x ? *buffer_x : 0,
|
||
buffer_y ? *buffer_y : 0,
|
||
buffer_x,
|
||
buffer_y);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_window_to_buffer_coords:
|
||
* @text_view: a #GtkTextView
|
||
* @win: a #GtkTextWindowType except #GTK_TEXT_WINDOW_PRIVATE
|
||
* @window_x: window x coordinate
|
||
* @window_y: window y coordinate
|
||
* @buffer_x: (out) (allow-none): buffer x coordinate return location or %NULL
|
||
* @buffer_y: (out) (allow-none): buffer y coordinate return location or %NULL
|
||
*
|
||
* Converts coordinates on the window identified by @win to buffer
|
||
* coordinates, storing the result in (@buffer_x,@buffer_y).
|
||
*
|
||
* Note that you can’t convert coordinates for a nonexisting window (see
|
||
* gtk_text_view_set_border_window_size()).
|
||
**/
|
||
void
|
||
gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
|
||
GtkTextWindowType win,
|
||
gint window_x,
|
||
gint window_y,
|
||
gint *buffer_x,
|
||
gint *buffer_y)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
switch (win)
|
||
{
|
||
case GTK_TEXT_WINDOW_WIDGET:
|
||
widget_to_buffer (text_view,
|
||
window_x, window_y,
|
||
buffer_x, buffer_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TEXT:
|
||
if (buffer_x)
|
||
*buffer_x = window_x + priv->xoffset;
|
||
if (buffer_y)
|
||
*buffer_y = window_y + priv->yoffset;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
text_window_to_buffer (text_view,
|
||
priv->left_window,
|
||
window_x, window_y,
|
||
buffer_x, buffer_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
text_window_to_buffer (text_view,
|
||
priv->right_window,
|
||
window_x, window_y,
|
||
buffer_x, buffer_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
text_window_to_buffer (text_view,
|
||
priv->top_window,
|
||
window_x, window_y,
|
||
buffer_x, buffer_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
text_window_to_buffer (text_view,
|
||
priv->bottom_window,
|
||
window_x, window_y,
|
||
buffer_x, buffer_y);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_PRIVATE:
|
||
g_warning ("%s: can't get coords for private windows", G_STRFUNC);
|
||
break;
|
||
|
||
default:
|
||
g_warning ("%s: Unknown GtkTextWindowType", G_STRFUNC);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
set_window_width (GtkTextView *text_view,
|
||
gint width,
|
||
GtkTextWindowType type,
|
||
GtkTextWindow **winp)
|
||
{
|
||
if (width == 0)
|
||
{
|
||
if (*winp)
|
||
{
|
||
text_window_free (*winp);
|
||
*winp = NULL;
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (*winp == NULL)
|
||
{
|
||
*winp = text_window_new (type, GTK_WIDGET (text_view), width, 0);
|
||
/* if the widget is already realized we need to realize the child manually */
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
text_window_realize (*winp, GTK_WIDGET (text_view));
|
||
update_node_ordering (GTK_WIDGET (text_view));
|
||
}
|
||
else
|
||
{
|
||
if ((*winp)->requisition.width == width)
|
||
return;
|
||
|
||
(*winp)->requisition.width = width;
|
||
}
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
|
||
static void
|
||
set_window_height (GtkTextView *text_view,
|
||
gint height,
|
||
GtkTextWindowType type,
|
||
GtkTextWindow **winp)
|
||
{
|
||
if (height == 0)
|
||
{
|
||
if (*winp)
|
||
{
|
||
text_window_free (*winp);
|
||
*winp = NULL;
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (*winp == NULL)
|
||
{
|
||
*winp = text_window_new (type, GTK_WIDGET (text_view), 0, height);
|
||
|
||
/* if the widget is already realized we need to realize the child manually */
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
text_window_realize (*winp, GTK_WIDGET (text_view));
|
||
update_node_ordering (GTK_WIDGET (text_view));
|
||
}
|
||
else
|
||
{
|
||
if ((*winp)->requisition.height == height)
|
||
return;
|
||
|
||
(*winp)->requisition.height = height;
|
||
}
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (text_view));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_border_window_size:
|
||
* @text_view: a #GtkTextView
|
||
* @type: window to affect
|
||
* @size: width or height of the window
|
||
*
|
||
* Sets the width of %GTK_TEXT_WINDOW_LEFT or %GTK_TEXT_WINDOW_RIGHT,
|
||
* or the height of %GTK_TEXT_WINDOW_TOP or %GTK_TEXT_WINDOW_BOTTOM.
|
||
* Automatically destroys the corresponding window if the size is set
|
||
* to 0, and creates the window if the size is set to non-zero. This
|
||
* function can only be used for the “border windows,” it doesn’t work
|
||
* with #GTK_TEXT_WINDOW_WIDGET, #GTK_TEXT_WINDOW_TEXT, or
|
||
* #GTK_TEXT_WINDOW_PRIVATE.
|
||
**/
|
||
void
|
||
gtk_text_view_set_border_window_size (GtkTextView *text_view,
|
||
GtkTextWindowType type,
|
||
gint size)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (size >= 0);
|
||
|
||
switch (type)
|
||
{
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
set_window_width (text_view, size, GTK_TEXT_WINDOW_LEFT,
|
||
&priv->left_window);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
set_window_width (text_view, size, GTK_TEXT_WINDOW_RIGHT,
|
||
&priv->right_window);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
set_window_height (text_view, size, GTK_TEXT_WINDOW_TOP,
|
||
&priv->top_window);
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
set_window_height (text_view, size, GTK_TEXT_WINDOW_BOTTOM,
|
||
&priv->bottom_window);
|
||
break;
|
||
|
||
default:
|
||
g_warning ("Can only set size of left/right/top/bottom border windows with gtk_text_view_set_border_window_size()");
|
||
break;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_border_window_size:
|
||
* @text_view: a #GtkTextView
|
||
* @type: window to return size from
|
||
*
|
||
* Gets the width of the specified border window. See
|
||
* gtk_text_view_set_border_window_size().
|
||
*
|
||
* Returns: width of window
|
||
**/
|
||
gint
|
||
gtk_text_view_get_border_window_size (GtkTextView *text_view,
|
||
GtkTextWindowType type)
|
||
{
|
||
GtkTextViewPrivate *priv = text_view->priv;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), 0);
|
||
|
||
switch (type)
|
||
{
|
||
case GTK_TEXT_WINDOW_LEFT:
|
||
if (priv->left_window)
|
||
return priv->left_window->requisition.width;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_RIGHT:
|
||
if (priv->right_window)
|
||
return priv->right_window->requisition.width;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_TOP:
|
||
if (priv->top_window)
|
||
return priv->top_window->requisition.height;
|
||
break;
|
||
|
||
case GTK_TEXT_WINDOW_BOTTOM:
|
||
if (priv->bottom_window)
|
||
return priv->bottom_window->requisition.height;
|
||
break;
|
||
|
||
default:
|
||
g_warning ("Can only get size of left/right/top/bottom border windows with gtk_text_view_get_border_window_size()");
|
||
break;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* Child widgets
|
||
*/
|
||
|
||
static GtkTextViewChild*
|
||
text_view_child_new_anchored (GtkWidget *child,
|
||
GtkTextChildAnchor *anchor,
|
||
GtkTextLayout *layout)
|
||
{
|
||
GtkTextViewChild *vc;
|
||
|
||
vc = g_slice_new (GtkTextViewChild);
|
||
|
||
vc->type = GTK_TEXT_WINDOW_PRIVATE;
|
||
vc->widget = child;
|
||
vc->anchor = anchor;
|
||
|
||
vc->from_top_of_line = 0;
|
||
vc->from_left_of_buffer = 0;
|
||
|
||
g_object_ref (vc->widget);
|
||
g_object_ref (vc->anchor);
|
||
|
||
g_object_set_qdata (G_OBJECT (child), quark_text_view_child, vc);
|
||
|
||
gtk_text_child_anchor_register_child (anchor, child, layout);
|
||
|
||
return vc;
|
||
}
|
||
|
||
static GtkTextViewChild*
|
||
text_view_child_new_window (GtkWidget *child,
|
||
GtkTextWindowType type,
|
||
gint x,
|
||
gint y)
|
||
{
|
||
GtkTextViewChild *vc;
|
||
|
||
vc = g_slice_new (GtkTextViewChild);
|
||
|
||
vc->widget = child;
|
||
vc->anchor = NULL;
|
||
|
||
vc->from_top_of_line = 0;
|
||
vc->from_left_of_buffer = 0;
|
||
|
||
g_object_ref (vc->widget);
|
||
|
||
vc->type = type;
|
||
vc->x = x;
|
||
vc->y = y;
|
||
|
||
g_object_set_qdata (G_OBJECT (child), quark_text_view_child, vc);
|
||
|
||
return vc;
|
||
}
|
||
|
||
static void
|
||
text_view_child_free (GtkTextViewChild *child)
|
||
{
|
||
g_object_set_qdata (G_OBJECT (child->widget), quark_text_view_child, NULL);
|
||
|
||
if (child->anchor)
|
||
{
|
||
gtk_text_child_anchor_unregister_child (child->anchor,
|
||
child->widget);
|
||
g_object_unref (child->anchor);
|
||
}
|
||
|
||
g_object_unref (child->widget);
|
||
|
||
g_slice_free (GtkTextViewChild, child);
|
||
}
|
||
|
||
static void
|
||
text_view_child_set_parent_window (GtkTextView *text_view,
|
||
GtkTextViewChild *vc)
|
||
{
|
||
if (vc->anchor)
|
||
gtk_widget_set_parent_window (vc->widget,
|
||
text_view->priv->text_window->bin_window);
|
||
else
|
||
{
|
||
GdkWindow *window;
|
||
window = gtk_text_view_get_window (text_view,
|
||
vc->type);
|
||
gtk_widget_set_parent_window (vc->widget, window);
|
||
}
|
||
}
|
||
|
||
static void
|
||
add_child (GtkTextView *text_view,
|
||
GtkTextViewChild *vc)
|
||
{
|
||
GtkCssNode *parent;
|
||
|
||
text_view->priv->children = g_slist_prepend (text_view->priv->children, vc);
|
||
|
||
if (gtk_widget_get_realized (GTK_WIDGET (text_view)))
|
||
text_view_child_set_parent_window (text_view, vc);
|
||
|
||
parent = gtk_text_view_get_css_node (text_view, vc->type);
|
||
if (parent == NULL)
|
||
parent = gtk_widget_get_css_node (GTK_WIDGET (text_view));
|
||
|
||
gtk_css_node_set_parent (gtk_widget_get_css_node (vc->widget), parent);
|
||
|
||
gtk_widget_set_parent (vc->widget, GTK_WIDGET (text_view));
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_add_child_at_anchor:
|
||
* @text_view: a #GtkTextView
|
||
* @child: a #GtkWidget
|
||
* @anchor: a #GtkTextChildAnchor in the #GtkTextBuffer for @text_view
|
||
*
|
||
* Adds a child widget in the text buffer, at the given @anchor.
|
||
**/
|
||
void
|
||
gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
|
||
GtkWidget *child,
|
||
GtkTextChildAnchor *anchor)
|
||
{
|
||
GtkTextViewChild *vc;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (GTK_IS_WIDGET (child));
|
||
g_return_if_fail (GTK_IS_TEXT_CHILD_ANCHOR (anchor));
|
||
g_return_if_fail (gtk_widget_get_parent (child) == NULL);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
vc = text_view_child_new_anchored (child, anchor,
|
||
text_view->priv->layout);
|
||
|
||
add_child (text_view, vc);
|
||
|
||
g_assert (vc->widget == child);
|
||
g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_add_child_in_window:
|
||
* @text_view: a #GtkTextView
|
||
* @child: a #GtkWidget
|
||
* @which_window: which window the child should appear in
|
||
* @xpos: X position of child in window coordinates
|
||
* @ypos: Y position of child in window coordinates
|
||
*
|
||
* Adds a child at fixed coordinates in one of the text widget's
|
||
* windows.
|
||
*
|
||
* The window must have nonzero size (see
|
||
* gtk_text_view_set_border_window_size()). Note that the child
|
||
* coordinates are given relative to scrolling. When
|
||
* placing a child in #GTK_TEXT_WINDOW_WIDGET, scrolling is
|
||
* irrelevant, the child floats above all scrollable areas. But when
|
||
* placing a child in one of the scrollable windows (border windows or
|
||
* text window) it will move with the scrolling as needed.
|
||
*/
|
||
void
|
||
gtk_text_view_add_child_in_window (GtkTextView *text_view,
|
||
GtkWidget *child,
|
||
GtkTextWindowType which_window,
|
||
gint xpos,
|
||
gint ypos)
|
||
{
|
||
GtkTextViewChild *vc;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (GTK_IS_WIDGET (child));
|
||
g_return_if_fail (gtk_widget_get_parent (child) == NULL);
|
||
|
||
vc = text_view_child_new_window (child, which_window,
|
||
xpos, ypos);
|
||
|
||
add_child (text_view, vc);
|
||
|
||
g_assert (vc->widget == child);
|
||
g_assert (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_move_child:
|
||
* @text_view: a #GtkTextView
|
||
* @child: child widget already added to the text view
|
||
* @xpos: new X position in window coordinates
|
||
* @ypos: new Y position in window coordinates
|
||
*
|
||
* Updates the position of a child, as for gtk_text_view_add_child_in_window().
|
||
**/
|
||
void
|
||
gtk_text_view_move_child (GtkTextView *text_view,
|
||
GtkWidget *child,
|
||
gint xpos,
|
||
gint ypos)
|
||
{
|
||
GtkTextViewChild *vc;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
g_return_if_fail (GTK_IS_WIDGET (child));
|
||
g_return_if_fail (gtk_widget_get_parent (child) == GTK_WIDGET (text_view));
|
||
|
||
vc = g_object_get_qdata (G_OBJECT (child), quark_text_view_child);
|
||
|
||
g_assert (vc != NULL);
|
||
|
||
if (vc->x == xpos &&
|
||
vc->y == ypos)
|
||
return;
|
||
|
||
vc->x = xpos;
|
||
vc->y = ypos;
|
||
|
||
if (gtk_widget_get_visible (child) &&
|
||
gtk_widget_get_visible (GTK_WIDGET (text_view)))
|
||
gtk_widget_queue_resize (child);
|
||
}
|
||
|
||
|
||
/* Iterator operations */
|
||
|
||
/**
|
||
* gtk_text_view_forward_display_line:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
*
|
||
* Moves the given @iter forward by one display (wrapped) line.
|
||
* A display line is different from a paragraph. Paragraphs are
|
||
* separated by newlines or other paragraph separator characters.
|
||
* Display lines are created by line-wrapping a paragraph. If
|
||
* wrapping is turned off, display lines and paragraphs will be the
|
||
* same. Display lines are divided differently for each view, since
|
||
* they depend on the view’s width; paragraphs are the same in all
|
||
* views, since they depend on the contents of the #GtkTextBuffer.
|
||
*
|
||
* Returns: %TRUE if @iter was moved and is not on the end iterator
|
||
**/
|
||
gboolean
|
||
gtk_text_view_forward_display_line (GtkTextView *text_view,
|
||
GtkTextIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_move_iter_to_next_line (text_view->priv->layout, iter);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_backward_display_line:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
*
|
||
* Moves the given @iter backward by one display (wrapped) line.
|
||
* A display line is different from a paragraph. Paragraphs are
|
||
* separated by newlines or other paragraph separator characters.
|
||
* Display lines are created by line-wrapping a paragraph. If
|
||
* wrapping is turned off, display lines and paragraphs will be the
|
||
* same. Display lines are divided differently for each view, since
|
||
* they depend on the view’s width; paragraphs are the same in all
|
||
* views, since they depend on the contents of the #GtkTextBuffer.
|
||
*
|
||
* Returns: %TRUE if @iter was moved and is not on the end iterator
|
||
**/
|
||
gboolean
|
||
gtk_text_view_backward_display_line (GtkTextView *text_view,
|
||
GtkTextIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_move_iter_to_previous_line (text_view->priv->layout, iter);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_forward_display_line_end:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
*
|
||
* Moves the given @iter forward to the next display line end.
|
||
* A display line is different from a paragraph. Paragraphs are
|
||
* separated by newlines or other paragraph separator characters.
|
||
* Display lines are created by line-wrapping a paragraph. If
|
||
* wrapping is turned off, display lines and paragraphs will be the
|
||
* same. Display lines are divided differently for each view, since
|
||
* they depend on the view’s width; paragraphs are the same in all
|
||
* views, since they depend on the contents of the #GtkTextBuffer.
|
||
*
|
||
* Returns: %TRUE if @iter was moved and is not on the end iterator
|
||
**/
|
||
gboolean
|
||
gtk_text_view_forward_display_line_end (GtkTextView *text_view,
|
||
GtkTextIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, 1);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_backward_display_line_start:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
*
|
||
* Moves the given @iter backward to the next display line start.
|
||
* A display line is different from a paragraph. Paragraphs are
|
||
* separated by newlines or other paragraph separator characters.
|
||
* Display lines are created by line-wrapping a paragraph. If
|
||
* wrapping is turned off, display lines and paragraphs will be the
|
||
* same. Display lines are divided differently for each view, since
|
||
* they depend on the view’s width; paragraphs are the same in all
|
||
* views, since they depend on the contents of the #GtkTextBuffer.
|
||
*
|
||
* Returns: %TRUE if @iter was moved and is not on the end iterator
|
||
**/
|
||
gboolean
|
||
gtk_text_view_backward_display_line_start (GtkTextView *text_view,
|
||
GtkTextIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_move_iter_to_line_end (text_view->priv->layout, iter, -1);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_starts_display_line:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
*
|
||
* Determines whether @iter is at the start of a display line.
|
||
* See gtk_text_view_forward_display_line() for an explanation of
|
||
* display lines vs. paragraphs.
|
||
*
|
||
* Returns: %TRUE if @iter begins a wrapped line
|
||
**/
|
||
gboolean
|
||
gtk_text_view_starts_display_line (GtkTextView *text_view,
|
||
const GtkTextIter *iter)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_iter_starts_line (text_view->priv->layout, iter);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_move_visually:
|
||
* @text_view: a #GtkTextView
|
||
* @iter: a #GtkTextIter
|
||
* @count: number of characters to move (negative moves left,
|
||
* positive moves right)
|
||
*
|
||
* Move the iterator a given number of characters visually, treating
|
||
* it as the strong cursor position. If @count is positive, then the
|
||
* new strong cursor position will be @count positions to the right of
|
||
* the old cursor position. If @count is negative then the new strong
|
||
* cursor position will be @count positions to the left of the old
|
||
* cursor position.
|
||
*
|
||
* In the presence of bi-directional text, the correspondence
|
||
* between logical and visual order will depend on the direction
|
||
* of the current run, and there may be jumps when the cursor
|
||
* is moved off of the end of a run.
|
||
*
|
||
* Returns: %TRUE if @iter moved and is not on the end iterator
|
||
**/
|
||
gboolean
|
||
gtk_text_view_move_visually (GtkTextView *text_view,
|
||
GtkTextIter *iter,
|
||
gint count)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
g_return_val_if_fail (iter != NULL, FALSE);
|
||
|
||
gtk_text_view_ensure_layout (text_view);
|
||
|
||
return gtk_text_layout_move_iter_visually (text_view->priv->layout, iter, count);
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_input_purpose:
|
||
* @text_view: a #GtkTextView
|
||
* @purpose: the purpose
|
||
*
|
||
* Sets the #GtkTextView:input-purpose property which
|
||
* can be used by on-screen keyboards and other input
|
||
* methods to adjust their behaviour.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
|
||
void
|
||
gtk_text_view_set_input_purpose (GtkTextView *text_view,
|
||
GtkInputPurpose purpose)
|
||
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (gtk_text_view_get_input_purpose (text_view) != purpose)
|
||
{
|
||
g_object_set (G_OBJECT (text_view->priv->im_context),
|
||
"input-purpose", purpose,
|
||
NULL);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "input-purpose");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_input_purpose:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the value of the #GtkTextView:input-purpose property.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
|
||
GtkInputPurpose
|
||
gtk_text_view_get_input_purpose (GtkTextView *text_view)
|
||
{
|
||
GtkInputPurpose purpose;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_PURPOSE_FREE_FORM);
|
||
|
||
g_object_get (G_OBJECT (text_view->priv->im_context),
|
||
"input-purpose", &purpose,
|
||
NULL);
|
||
|
||
return purpose;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_input_hints:
|
||
* @text_view: a #GtkTextView
|
||
* @hints: the hints
|
||
*
|
||
* Sets the #GtkTextView:input-hints property, which
|
||
* allows input methods to fine-tune their behaviour.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
|
||
void
|
||
gtk_text_view_set_input_hints (GtkTextView *text_view,
|
||
GtkInputHints hints)
|
||
|
||
{
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
if (gtk_text_view_get_input_hints (text_view) != hints)
|
||
{
|
||
g_object_set (G_OBJECT (text_view->priv->im_context),
|
||
"input-hints", hints,
|
||
NULL);
|
||
|
||
g_object_notify (G_OBJECT (text_view), "input-hints");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_input_hints:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the value of the #GtkTextView:input-hints property.
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
|
||
GtkInputHints
|
||
gtk_text_view_get_input_hints (GtkTextView *text_view)
|
||
{
|
||
GtkInputHints hints;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), GTK_INPUT_HINT_NONE);
|
||
|
||
g_object_get (G_OBJECT (text_view->priv->im_context),
|
||
"input-hints", &hints,
|
||
NULL);
|
||
|
||
return hints;
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_set_monospace:
|
||
* @text_view: a #GtkTextView
|
||
* @monospace: %TRUE to request monospace styling
|
||
*
|
||
* Sets the #GtkTextView:monospace property, which
|
||
* indicates that the text view should use monospace
|
||
* fonts.
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
void
|
||
gtk_text_view_set_monospace (GtkTextView *text_view,
|
||
gboolean monospace)
|
||
{
|
||
GtkStyleContext *context;
|
||
gboolean has_monospace;
|
||
|
||
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
|
||
|
||
context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
|
||
has_monospace = gtk_style_context_has_class (context, GTK_STYLE_CLASS_MONOSPACE);
|
||
|
||
if (has_monospace != monospace)
|
||
{
|
||
if (monospace)
|
||
gtk_style_context_add_class (context, GTK_STYLE_CLASS_MONOSPACE);
|
||
else
|
||
gtk_style_context_remove_class (context, GTK_STYLE_CLASS_MONOSPACE);
|
||
g_object_notify (G_OBJECT (text_view), "monospace");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_text_view_get_monospace:
|
||
* @text_view: a #GtkTextView
|
||
*
|
||
* Gets the value of the #GtkTextView:monospace property.
|
||
*
|
||
* Return: %TRUE if monospace fonts are desired
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
gboolean
|
||
gtk_text_view_get_monospace (GtkTextView *text_view)
|
||
{
|
||
GtkStyleContext *context;
|
||
|
||
g_return_val_if_fail (GTK_IS_TEXT_VIEW (text_view), FALSE);
|
||
|
||
context = gtk_widget_get_style_context (GTK_WIDGET (text_view));
|
||
|
||
return gtk_style_context_has_class (context, GTK_STYLE_CLASS_MONOSPACE);
|
||
}
|