forked from AuroraMiddleware/gtk
3028 lines
93 KiB
C
3028 lines
93 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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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
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* 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 "gtkpaned.h"
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#include "gtkbindings.h"
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#include "gtkmain.h"
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#include "gtkmarshalers.h"
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#include "gtkorientable.h"
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#include "gtkwindow.h"
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#include "gtktypebuiltins.h"
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#include "gtkorientableprivate.h"
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#include "gtkprivate.h"
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#include "gtkintl.h"
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#include "gtkwidgetprivate.h"
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#include "gtkcontainerprivate.h"
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#include "a11y/gtkpanedaccessible.h"
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#include "gtkcsscustomgadgetprivate.h"
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#include "gtkcssnodeprivate.h"
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#include "gtkstylecontextprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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#include "gtkcssnumbervalueprivate.h"
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#include <math.h>
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/**
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* SECTION:gtkpaned
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* @Short_description: A widget with two adjustable panes
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* @Title: GtkPaned
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*
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* #GtkPaned has two panes, arranged either
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* horizontally or vertically. The division between
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* the two panes is adjustable by the user by dragging
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* a handle.
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*
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* Child widgets are
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* added to the panes of the widget with gtk_paned_pack1() and
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* gtk_paned_pack2(). The division between the two children is set by default
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* from the size requests of the children, but it can be adjusted by the
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* user.
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*
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* A paned widget draws a separator between the two child widgets and a
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* small handle that the user can drag to adjust the division. It does not
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* draw any relief around the children or around the separator. (The space
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* in which the separator is called the gutter.) Often, it is useful to put
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* each child inside a #GtkFrame with the shadow type set to %GTK_SHADOW_IN
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* so that the gutter appears as a ridge. No separator is drawn if one of
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* the children is missing.
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*
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* Each child has two options that can be set, @resize and @shrink. If
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* @resize is true, then when the #GtkPaned is resized, that child will
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* expand or shrink along with the paned widget. If @shrink is true, then
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* that child can be made smaller than its requisition by the user.
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* Setting @shrink to %FALSE allows the application to set a minimum size.
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* If @resize is false for both children, then this is treated as if
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* @resize is true for both children.
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*
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* The application can set the position of the slider as if it were set
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* by the user, by calling gtk_paned_set_position().
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*
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* # CSS nodes
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*
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* |[<!-- language="plain" -->
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* paned
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* ├── <child>
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* ├── separator[.wide]
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* ╰── <child>
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* ]|
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*
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* GtkPaned has a main CSS node with name paned, and a subnode for
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* the separator with name separator. The subnodes gets a .wide style
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* class when the paned is supposed to be wide.
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*
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* In horizontal orientation, the nodes of the children are always arranged
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* from left to right. So :first-child will always select the leftmost child,
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* regardless of text direction.
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*
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* ## Creating a paned widget with minimum sizes.
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*
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* |[<!-- language="C" -->
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* GtkWidget *hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
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* GtkWidget *frame1 = gtk_frame_new (NULL);
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* GtkWidget *frame2 = gtk_frame_new (NULL);
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* gtk_frame_set_shadow_type (GTK_FRAME (frame1), GTK_SHADOW_IN);
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* gtk_frame_set_shadow_type (GTK_FRAME (frame2), GTK_SHADOW_IN);
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*
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* gtk_widget_set_size_request (hpaned, 200, -1);
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*
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* gtk_paned_pack1 (GTK_PANED (hpaned), frame1, TRUE, FALSE);
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* gtk_widget_set_size_request (frame1, 50, -1);
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*
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* gtk_paned_pack2 (GTK_PANED (hpaned), frame2, FALSE, FALSE);
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* gtk_widget_set_size_request (frame2, 50, -1);
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* ]|
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*/
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enum {
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CHILD1,
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CHILD2
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};
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struct _GtkPanedPrivate
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{
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GtkPaned *first_paned;
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GtkWidget *child1;
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GtkWidget *child2;
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GdkWindow *child1_window;
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GdkWindow *child2_window;
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GtkWidget *last_child1_focus;
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GtkWidget *last_child2_focus;
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GtkWidget *saved_focus;
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GtkOrientation orientation;
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GdkRectangle handle_pos;
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GdkWindow *handle;
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GtkCssGadget *gadget;
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GtkCssGadget *handle_gadget;
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GtkGesture *pan_gesture; /* Used for touch */
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GtkGesture *drag_gesture; /* Used for mice */
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gint child1_size;
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gint drag_pos;
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gint last_allocation;
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gint max_position;
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gint min_position;
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gint original_position;
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guint handle_prelit : 1;
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guint in_recursion : 1;
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guint child1_resize : 1;
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guint child1_shrink : 1;
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guint child2_resize : 1;
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guint child2_shrink : 1;
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guint position_set : 1;
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guint panning : 1;
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};
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enum {
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PROP_0,
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PROP_ORIENTATION,
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PROP_POSITION,
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PROP_POSITION_SET,
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PROP_MIN_POSITION,
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PROP_MAX_POSITION,
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PROP_WIDE_HANDLE
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};
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enum {
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CHILD_PROP_0,
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CHILD_PROP_RESIZE,
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CHILD_PROP_SHRINK
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};
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enum {
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CYCLE_CHILD_FOCUS,
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TOGGLE_HANDLE_FOCUS,
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MOVE_HANDLE,
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CYCLE_HANDLE_FOCUS,
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ACCEPT_POSITION,
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CANCEL_POSITION,
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LAST_SIGNAL
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};
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static void gtk_paned_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_paned_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_paned_set_child_property (GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gtk_paned_get_child_property (GtkContainer *container,
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GtkWidget *child,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static void gtk_paned_finalize (GObject *object);
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static void gtk_paned_measure_ (GtkWidget *widget,
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GtkOrientation orientation,
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int for_size,
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int *minimum,
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int *natural,
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int *minimum_baseline,
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int *natural_baseline);
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static void gtk_paned_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_paned_realize (GtkWidget *widget);
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static void gtk_paned_unrealize (GtkWidget *widget);
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static void gtk_paned_map (GtkWidget *widget);
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static void gtk_paned_unmap (GtkWidget *widget);
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static void gtk_paned_state_flags_changed (GtkWidget *widget,
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GtkStateFlags previous_state);
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static void gtk_paned_direction_changed (GtkWidget *widget,
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GtkTextDirection previous_direction);
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static gboolean gtk_paned_draw (GtkWidget *widget,
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cairo_t *cr);
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static gboolean gtk_paned_enter (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean gtk_paned_leave (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean gtk_paned_focus (GtkWidget *widget,
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GtkDirectionType direction);
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static void gtk_paned_add (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_paned_remove (GtkContainer *container,
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GtkWidget *widget);
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static void gtk_paned_forall (GtkContainer *container,
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gboolean include_internals,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_paned_calc_position (GtkPaned *paned,
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gint allocation,
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gint child1_req,
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gint child2_req);
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static void gtk_paned_set_focus_child (GtkContainer *container,
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GtkWidget *child);
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static void gtk_paned_set_saved_focus (GtkPaned *paned,
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GtkWidget *widget);
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static void gtk_paned_set_first_paned (GtkPaned *paned,
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GtkPaned *first_paned);
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static void gtk_paned_set_last_child1_focus (GtkPaned *paned,
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GtkWidget *widget);
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static void gtk_paned_set_last_child2_focus (GtkPaned *paned,
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GtkWidget *widget);
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static gboolean gtk_paned_cycle_child_focus (GtkPaned *paned,
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gboolean reverse);
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static gboolean gtk_paned_cycle_handle_focus (GtkPaned *paned,
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gboolean reverse);
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static gboolean gtk_paned_move_handle (GtkPaned *paned,
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GtkScrollType scroll);
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static gboolean gtk_paned_accept_position (GtkPaned *paned);
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static gboolean gtk_paned_cancel_position (GtkPaned *paned);
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static gboolean gtk_paned_toggle_handle_focus (GtkPaned *paned);
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static GType gtk_paned_child_type (GtkContainer *container);
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static void update_drag (GtkPaned *paned,
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int xpos,
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int ypos);
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G_DEFINE_TYPE_WITH_CODE (GtkPaned, gtk_paned, GTK_TYPE_CONTAINER,
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G_ADD_PRIVATE (GtkPaned)
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G_IMPLEMENT_INTERFACE (GTK_TYPE_ORIENTABLE,
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NULL))
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static guint signals[LAST_SIGNAL] = { 0 };
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static void
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add_tab_bindings (GtkBindingSet *binding_set,
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GdkModifierType modifiers)
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{
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_Tab, modifiers,
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"toggle-handle-focus", 0);
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gtk_binding_entry_add_signal (binding_set, GDK_KEY_KP_Tab, modifiers,
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"toggle-handle-focus", 0);
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}
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static void
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add_move_binding (GtkBindingSet *binding_set,
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guint keyval,
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GdkModifierType mask,
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GtkScrollType scroll)
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{
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gtk_binding_entry_add_signal (binding_set, keyval, mask,
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"move-handle", 1,
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GTK_TYPE_SCROLL_TYPE, scroll);
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}
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static void
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gtk_paned_class_init (GtkPanedClass *class)
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{
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GObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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GtkPanedClass *paned_class;
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GtkBindingSet *binding_set;
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object_class = (GObjectClass *) class;
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widget_class = (GtkWidgetClass *) class;
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container_class = (GtkContainerClass *) class;
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paned_class = (GtkPanedClass *) class;
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object_class->set_property = gtk_paned_set_property;
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object_class->get_property = gtk_paned_get_property;
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object_class->finalize = gtk_paned_finalize;
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widget_class->measure = gtk_paned_measure_;
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widget_class->size_allocate = gtk_paned_size_allocate;
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widget_class->realize = gtk_paned_realize;
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widget_class->unrealize = gtk_paned_unrealize;
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widget_class->map = gtk_paned_map;
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widget_class->unmap = gtk_paned_unmap;
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widget_class->draw = gtk_paned_draw;
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widget_class->focus = gtk_paned_focus;
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widget_class->enter_notify_event = gtk_paned_enter;
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widget_class->leave_notify_event = gtk_paned_leave;
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widget_class->state_flags_changed = gtk_paned_state_flags_changed;
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widget_class->direction_changed = gtk_paned_direction_changed;
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container_class->add = gtk_paned_add;
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container_class->remove = gtk_paned_remove;
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container_class->forall = gtk_paned_forall;
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container_class->child_type = gtk_paned_child_type;
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container_class->set_focus_child = gtk_paned_set_focus_child;
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container_class->set_child_property = gtk_paned_set_child_property;
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container_class->get_child_property = gtk_paned_get_child_property;
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paned_class->cycle_child_focus = gtk_paned_cycle_child_focus;
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paned_class->toggle_handle_focus = gtk_paned_toggle_handle_focus;
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paned_class->move_handle = gtk_paned_move_handle;
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paned_class->cycle_handle_focus = gtk_paned_cycle_handle_focus;
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paned_class->accept_position = gtk_paned_accept_position;
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paned_class->cancel_position = gtk_paned_cancel_position;
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g_object_class_override_property (object_class,
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PROP_ORIENTATION,
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"orientation");
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g_object_class_install_property (object_class,
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PROP_POSITION,
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g_param_spec_int ("position",
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P_("Position"),
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P_("Position of paned separator in pixels (0 means all the way to the left/top)"),
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0, G_MAXINT, 0,
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GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
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g_object_class_install_property (object_class,
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PROP_POSITION_SET,
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g_param_spec_boolean ("position-set",
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P_("Position Set"),
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P_("TRUE if the Position property should be used"),
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FALSE,
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GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
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/**
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||
* GtkPaned:min-position:
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*
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* The smallest possible value for the position property.
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* This property is derived from the size and shrinkability
|
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* of the widget's children.
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*
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* Since: 2.4
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*/
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g_object_class_install_property (object_class,
|
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PROP_MIN_POSITION,
|
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g_param_spec_int ("min-position",
|
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P_("Minimal Position"),
|
||
P_("Smallest possible value for the \"position\" property"),
|
||
0, G_MAXINT, 0,
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GTK_PARAM_READABLE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkPaned:max-position:
|
||
*
|
||
* The largest possible value for the position property.
|
||
* This property is derived from the size and shrinkability
|
||
* of the widget's children.
|
||
*
|
||
* Since: 2.4
|
||
*/
|
||
g_object_class_install_property (object_class,
|
||
PROP_MAX_POSITION,
|
||
g_param_spec_int ("max-position",
|
||
P_("Maximal Position"),
|
||
P_("Largest possible value for the \"position\" property"),
|
||
0, G_MAXINT, G_MAXINT,
|
||
GTK_PARAM_READABLE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkPaned:wide-handle:
|
||
*
|
||
* Setting this property to %TRUE indicates that the paned needs
|
||
* to provide stronger visual separation (e.g. because it separates
|
||
* between two notebooks, whose tab rows would otherwise merge visually).
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
g_object_class_install_property (object_class,
|
||
PROP_WIDE_HANDLE,
|
||
g_param_spec_boolean ("wide-handle",
|
||
P_("Wide Handle"),
|
||
P_("Whether the paned should have a prominent handle"),
|
||
FALSE,
|
||
GTK_PARAM_READWRITE|G_PARAM_EXPLICIT_NOTIFY));
|
||
|
||
/**
|
||
* GtkPaned:resize:
|
||
*
|
||
* The "resize" child property determines whether the child expands and
|
||
* shrinks along with the paned widget.
|
||
*
|
||
* Since: 2.4
|
||
*/
|
||
gtk_container_class_install_child_property (container_class,
|
||
CHILD_PROP_RESIZE,
|
||
g_param_spec_boolean ("resize",
|
||
P_("Resize"),
|
||
P_("If TRUE, the child expands and shrinks along with the paned widget"),
|
||
TRUE,
|
||
GTK_PARAM_READWRITE));
|
||
|
||
/**
|
||
* GtkPaned:shrink:
|
||
*
|
||
* The "shrink" child property determines whether the child can be made
|
||
* smaller than its requisition.
|
||
*
|
||
* Since: 2.4
|
||
*/
|
||
gtk_container_class_install_child_property (container_class,
|
||
CHILD_PROP_SHRINK,
|
||
g_param_spec_boolean ("shrink",
|
||
P_("Shrink"),
|
||
P_("If TRUE, the child can be made smaller than its requisition"),
|
||
TRUE,
|
||
GTK_PARAM_READWRITE));
|
||
|
||
/**
|
||
* GtkPaned::cycle-child-focus:
|
||
* @widget: the object that received the signal
|
||
* @reversed: whether cycling backward or forward
|
||
*
|
||
* The ::cycle-child-focus signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to cycle the focus between the children of the paned.
|
||
*
|
||
* The default binding is f6.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals [CYCLE_CHILD_FOCUS] =
|
||
g_signal_new (I_("cycle-child-focus"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, cycle_child_focus),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__BOOLEAN,
|
||
G_TYPE_BOOLEAN, 1,
|
||
G_TYPE_BOOLEAN);
|
||
|
||
/**
|
||
* GtkPaned::toggle-handle-focus:
|
||
* @widget: the object that received the signal
|
||
*
|
||
* The ::toggle-handle-focus is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to accept the current position of the handle and then
|
||
* move focus to the next widget in the focus chain.
|
||
*
|
||
* The default binding is Tab.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals [TOGGLE_HANDLE_FOCUS] =
|
||
g_signal_new (I_("toggle-handle-focus"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, toggle_handle_focus),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__VOID,
|
||
G_TYPE_BOOLEAN, 0);
|
||
|
||
/**
|
||
* GtkPaned::move-handle:
|
||
* @widget: the object that received the signal
|
||
* @scroll_type: a #GtkScrollType
|
||
*
|
||
* The ::move-handle signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to move the handle when the user is using key bindings
|
||
* to move it.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals[MOVE_HANDLE] =
|
||
g_signal_new (I_("move-handle"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, move_handle),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__ENUM,
|
||
G_TYPE_BOOLEAN, 1,
|
||
GTK_TYPE_SCROLL_TYPE);
|
||
|
||
/**
|
||
* GtkPaned::cycle-handle-focus:
|
||
* @widget: the object that received the signal
|
||
* @reversed: whether cycling backward or forward
|
||
*
|
||
* The ::cycle-handle-focus signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to cycle whether the paned should grab focus to allow
|
||
* the user to change position of the handle by using key bindings.
|
||
*
|
||
* The default binding for this signal is f8.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals [CYCLE_HANDLE_FOCUS] =
|
||
g_signal_new (I_("cycle-handle-focus"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, cycle_handle_focus),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__BOOLEAN,
|
||
G_TYPE_BOOLEAN, 1,
|
||
G_TYPE_BOOLEAN);
|
||
|
||
/**
|
||
* GtkPaned::accept-position:
|
||
* @widget: the object that received the signal
|
||
*
|
||
* The ::accept-position signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to accept the current position of the handle when
|
||
* moving it using key bindings.
|
||
*
|
||
* The default binding for this signal is Return or Space.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals [ACCEPT_POSITION] =
|
||
g_signal_new (I_("accept-position"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, accept_position),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__VOID,
|
||
G_TYPE_BOOLEAN, 0);
|
||
|
||
/**
|
||
* GtkPaned::cancel-position:
|
||
* @widget: the object that received the signal
|
||
*
|
||
* The ::cancel-position signal is a
|
||
* [keybinding signal][GtkBindingSignal]
|
||
* which gets emitted to cancel moving the position of the handle using key
|
||
* bindings. The position of the handle will be reset to the value prior to
|
||
* moving it.
|
||
*
|
||
* The default binding for this signal is Escape.
|
||
*
|
||
* Since: 2.0
|
||
*/
|
||
signals [CANCEL_POSITION] =
|
||
g_signal_new (I_("cancel-position"),
|
||
G_TYPE_FROM_CLASS (object_class),
|
||
G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
|
||
G_STRUCT_OFFSET (GtkPanedClass, cancel_position),
|
||
NULL, NULL,
|
||
_gtk_marshal_BOOLEAN__VOID,
|
||
G_TYPE_BOOLEAN, 0);
|
||
|
||
binding_set = gtk_binding_set_by_class (class);
|
||
|
||
/* F6 and friends */
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_F6, 0,
|
||
"cycle-child-focus", 1,
|
||
G_TYPE_BOOLEAN, FALSE);
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_F6, GDK_SHIFT_MASK,
|
||
"cycle-child-focus", 1,
|
||
G_TYPE_BOOLEAN, TRUE);
|
||
|
||
/* F8 and friends */
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_F8, 0,
|
||
"cycle-handle-focus", 1,
|
||
G_TYPE_BOOLEAN, FALSE);
|
||
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_F8, GDK_SHIFT_MASK,
|
||
"cycle-handle-focus", 1,
|
||
G_TYPE_BOOLEAN, TRUE);
|
||
|
||
add_tab_bindings (binding_set, 0);
|
||
add_tab_bindings (binding_set, GDK_CONTROL_MASK);
|
||
add_tab_bindings (binding_set, GDK_SHIFT_MASK);
|
||
add_tab_bindings (binding_set, GDK_CONTROL_MASK | GDK_SHIFT_MASK);
|
||
|
||
/* accept and cancel positions */
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_Escape, 0,
|
||
"cancel-position", 0);
|
||
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_Return, 0,
|
||
"accept-position", 0);
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_ISO_Enter, 0,
|
||
"accept-position", 0);
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_KP_Enter, 0,
|
||
"accept-position", 0);
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_space, 0,
|
||
"accept-position", 0);
|
||
gtk_binding_entry_add_signal (binding_set,
|
||
GDK_KEY_KP_Space, 0,
|
||
"accept-position", 0);
|
||
|
||
/* move handle */
|
||
add_move_binding (binding_set, GDK_KEY_Left, 0, GTK_SCROLL_STEP_LEFT);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Left, 0, GTK_SCROLL_STEP_LEFT);
|
||
add_move_binding (binding_set, GDK_KEY_Left, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_LEFT);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Left, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_LEFT);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Right, 0, GTK_SCROLL_STEP_RIGHT);
|
||
add_move_binding (binding_set, GDK_KEY_Right, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_RIGHT);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Right, 0, GTK_SCROLL_STEP_RIGHT);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Right, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_RIGHT);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Up, 0, GTK_SCROLL_STEP_UP);
|
||
add_move_binding (binding_set, GDK_KEY_Up, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_UP);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Up, 0, GTK_SCROLL_STEP_UP);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Up, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_UP);
|
||
add_move_binding (binding_set, GDK_KEY_Page_Up, 0, GTK_SCROLL_PAGE_UP);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Up, 0, GTK_SCROLL_PAGE_UP);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Down, 0, GTK_SCROLL_STEP_DOWN);
|
||
add_move_binding (binding_set, GDK_KEY_Down, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_DOWN);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Down, 0, GTK_SCROLL_STEP_DOWN);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Down, GDK_CONTROL_MASK, GTK_SCROLL_PAGE_DOWN);
|
||
add_move_binding (binding_set, GDK_KEY_Page_Down, 0, GTK_SCROLL_PAGE_RIGHT);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Page_Down, 0, GTK_SCROLL_PAGE_RIGHT);
|
||
|
||
add_move_binding (binding_set, GDK_KEY_Home, 0, GTK_SCROLL_START);
|
||
add_move_binding (binding_set, GDK_KEY_KP_Home, 0, GTK_SCROLL_START);
|
||
add_move_binding (binding_set, GDK_KEY_End, 0, GTK_SCROLL_END);
|
||
add_move_binding (binding_set, GDK_KEY_KP_End, 0, GTK_SCROLL_END);
|
||
|
||
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_PANED_ACCESSIBLE);
|
||
gtk_widget_class_set_css_name (widget_class, "paned");
|
||
}
|
||
|
||
static GType
|
||
gtk_paned_child_type (GtkContainer *container)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (container);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (!priv->child1 || !priv->child2)
|
||
return GTK_TYPE_WIDGET;
|
||
else
|
||
return G_TYPE_NONE;
|
||
}
|
||
|
||
static gboolean
|
||
initiates_touch_drag (GtkPaned *paned,
|
||
gdouble start_x,
|
||
gdouble start_y)
|
||
{
|
||
gint handle_size, handle_pos, drag_pos;
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation allocation;
|
||
|
||
#define TOUCH_EXTRA_AREA_WIDTH 50
|
||
gtk_css_gadget_get_content_allocation (priv->gadget, &allocation, NULL);
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
priv->orientation,
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
{
|
||
handle_pos = priv->handle_pos.x - allocation.x;
|
||
drag_pos = start_x;
|
||
}
|
||
else
|
||
{
|
||
handle_pos = priv->handle_pos.y - allocation.y;
|
||
drag_pos = start_y;
|
||
}
|
||
|
||
if (drag_pos < handle_pos - TOUCH_EXTRA_AREA_WIDTH ||
|
||
drag_pos > handle_pos + handle_size + TOUCH_EXTRA_AREA_WIDTH)
|
||
return FALSE;
|
||
|
||
#undef TOUCH_EXTRA_AREA_WIDTH
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
gesture_drag_begin_cb (GtkGestureDrag *gesture,
|
||
gdouble start_x,
|
||
gdouble start_y,
|
||
GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GdkEventSequence *sequence;
|
||
GtkAllocation allocation;
|
||
const GdkEvent *event;
|
||
GdkDevice *device;
|
||
gboolean is_touch;
|
||
|
||
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
|
||
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
|
||
device = gdk_event_get_source_device (event);
|
||
gtk_css_gadget_get_content_allocation (priv->gadget, &allocation, NULL);
|
||
paned->priv->panning = FALSE;
|
||
|
||
is_touch = (event->type == GDK_TOUCH_BEGIN ||
|
||
gdk_device_get_source (device) == GDK_SOURCE_TOUCHSCREEN);
|
||
|
||
if ((is_touch && GTK_GESTURE (gesture) == priv->drag_gesture) ||
|
||
(!is_touch && GTK_GESTURE (gesture) == priv->pan_gesture))
|
||
{
|
||
gtk_gesture_set_state (GTK_GESTURE (gesture),
|
||
GTK_EVENT_SEQUENCE_DENIED);
|
||
return;
|
||
}
|
||
|
||
if (event->any.window == priv->handle ||
|
||
(is_touch && initiates_touch_drag (paned, start_x, start_y)))
|
||
{
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
priv->drag_pos = start_x - (priv->handle_pos.x - allocation.x);
|
||
else
|
||
priv->drag_pos = start_y - (priv->handle_pos.y - allocation.y);
|
||
|
||
gtk_gesture_set_state (GTK_GESTURE (gesture),
|
||
GTK_EVENT_SEQUENCE_CLAIMED);
|
||
}
|
||
else
|
||
{
|
||
gtk_gesture_set_state (GTK_GESTURE (gesture),
|
||
GTK_EVENT_SEQUENCE_DENIED);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gesture_drag_update_cb (GtkGestureDrag *gesture,
|
||
gdouble offset_x,
|
||
gdouble offset_y,
|
||
GtkPaned *paned)
|
||
{
|
||
gdouble start_x, start_y;
|
||
|
||
paned->priv->panning = TRUE;
|
||
|
||
gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (gesture),
|
||
&start_x, &start_y);
|
||
update_drag (paned, start_x + offset_x, start_y + offset_y);
|
||
}
|
||
|
||
static void
|
||
gesture_drag_end_cb (GtkGestureDrag *gesture,
|
||
gdouble offset_x,
|
||
gdouble offset_y,
|
||
GtkPaned *paned)
|
||
{
|
||
if (!paned->priv->panning)
|
||
gtk_gesture_set_state (GTK_GESTURE (gesture), GTK_EVENT_SEQUENCE_DENIED);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_property (GObject *object,
|
||
guint prop_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (object);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_ORIENTATION:
|
||
if (priv->orientation != g_value_get_enum (value))
|
||
{
|
||
priv->orientation = g_value_get_enum (value);
|
||
_gtk_orientable_set_style_classes (GTK_ORIENTABLE (paned));
|
||
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
gtk_gesture_pan_set_orientation (GTK_GESTURE_PAN (priv->pan_gesture),
|
||
GTK_ORIENTATION_HORIZONTAL);
|
||
else
|
||
gtk_gesture_pan_set_orientation (GTK_GESTURE_PAN (priv->pan_gesture),
|
||
GTK_ORIENTATION_VERTICAL);
|
||
|
||
/* state_flags_changed updates the cursor */
|
||
gtk_paned_state_flags_changed (GTK_WIDGET (paned), 0);
|
||
gtk_widget_queue_resize (GTK_WIDGET (paned));
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
case PROP_POSITION:
|
||
gtk_paned_set_position (paned, g_value_get_int (value));
|
||
break;
|
||
case PROP_POSITION_SET:
|
||
if (priv->position_set != g_value_get_boolean (value))
|
||
{
|
||
priv->position_set = g_value_get_boolean (value);
|
||
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (paned));
|
||
g_object_notify_by_pspec (object, pspec);
|
||
}
|
||
break;
|
||
case PROP_WIDE_HANDLE:
|
||
gtk_paned_set_wide_handle (paned, g_value_get_boolean (value));
|
||
break;
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_get_property (GObject *object,
|
||
guint prop_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (object);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
switch (prop_id)
|
||
{
|
||
case PROP_ORIENTATION:
|
||
g_value_set_enum (value, priv->orientation);
|
||
break;
|
||
case PROP_POSITION:
|
||
g_value_set_int (value, priv->child1_size);
|
||
break;
|
||
case PROP_POSITION_SET:
|
||
g_value_set_boolean (value, priv->position_set);
|
||
break;
|
||
case PROP_MIN_POSITION:
|
||
g_value_set_int (value, priv->min_position);
|
||
break;
|
||
case PROP_MAX_POSITION:
|
||
g_value_set_int (value, priv->max_position);
|
||
break;
|
||
case PROP_WIDE_HANDLE:
|
||
g_value_set_boolean (value, gtk_paned_get_wide_handle (paned));
|
||
break;
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_child_property (GtkContainer *container,
|
||
GtkWidget *child,
|
||
guint property_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (container);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gboolean old_value, new_value;
|
||
|
||
g_assert (child == priv->child1 || child == priv->child2);
|
||
|
||
new_value = g_value_get_boolean (value);
|
||
switch (property_id)
|
||
{
|
||
case CHILD_PROP_RESIZE:
|
||
if (child == priv->child1)
|
||
{
|
||
old_value = priv->child1_resize;
|
||
priv->child1_resize = new_value;
|
||
}
|
||
else
|
||
{
|
||
old_value = priv->child2_resize;
|
||
priv->child2_resize = new_value;
|
||
}
|
||
break;
|
||
case CHILD_PROP_SHRINK:
|
||
if (child == priv->child1)
|
||
{
|
||
old_value = priv->child1_shrink;
|
||
priv->child1_shrink = new_value;
|
||
}
|
||
else
|
||
{
|
||
old_value = priv->child2_shrink;
|
||
priv->child2_shrink = new_value;
|
||
}
|
||
break;
|
||
default:
|
||
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
||
old_value = -1; /* quiet gcc */
|
||
break;
|
||
}
|
||
if (old_value != new_value)
|
||
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (container));
|
||
}
|
||
|
||
static void
|
||
gtk_paned_get_child_property (GtkContainer *container,
|
||
GtkWidget *child,
|
||
guint property_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (container);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
g_assert (child == priv->child1 || child == priv->child2);
|
||
|
||
switch (property_id)
|
||
{
|
||
case CHILD_PROP_RESIZE:
|
||
if (child == priv->child1)
|
||
g_value_set_boolean (value, priv->child1_resize);
|
||
else
|
||
g_value_set_boolean (value, priv->child2_resize);
|
||
break;
|
||
case CHILD_PROP_SHRINK:
|
||
if (child == priv->child1)
|
||
g_value_set_boolean (value, priv->child1_shrink);
|
||
else
|
||
g_value_set_boolean (value, priv->child2_shrink);
|
||
break;
|
||
default:
|
||
GTK_CONTAINER_WARN_INVALID_CHILD_PROPERTY_ID (container, property_id, pspec);
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_finalize (GObject *object)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (object);
|
||
|
||
gtk_paned_set_saved_focus (paned, NULL);
|
||
gtk_paned_set_first_paned (paned, NULL);
|
||
|
||
g_clear_object (&paned->priv->pan_gesture);
|
||
g_clear_object (&paned->priv->drag_gesture);
|
||
|
||
g_clear_object (&paned->priv->handle_gadget);
|
||
g_clear_object (&paned->priv->gadget);
|
||
|
||
G_OBJECT_CLASS (gtk_paned_parent_class)->finalize (object);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_compute_position (GtkPaned *paned,
|
||
gint allocation,
|
||
gint child1_req,
|
||
gint child2_req,
|
||
gint *min_pos,
|
||
gint *max_pos,
|
||
gint *out_pos)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gint min, max, pos;
|
||
|
||
min = priv->child1_shrink ? 0 : child1_req;
|
||
|
||
max = allocation;
|
||
if (!priv->child2_shrink)
|
||
max = MAX (1, max - child2_req);
|
||
max = MAX (min, max);
|
||
|
||
if (!priv->position_set)
|
||
{
|
||
if (priv->child1_resize && !priv->child2_resize)
|
||
pos = MAX (0, allocation - child2_req);
|
||
else if (!priv->child1_resize && priv->child2_resize)
|
||
pos = child1_req;
|
||
else if (child1_req + child2_req != 0)
|
||
pos = allocation * ((gdouble)child1_req / (child1_req + child2_req)) + 0.5;
|
||
else
|
||
pos = allocation * 0.5 + 0.5;
|
||
}
|
||
else
|
||
{
|
||
/* If the position was set before the initial allocation.
|
||
* (priv->last_allocation <= 0) just clamp it and leave it.
|
||
*/
|
||
if (priv->last_allocation > 0)
|
||
{
|
||
if (priv->child1_resize && !priv->child2_resize)
|
||
pos = priv->child1_size + allocation - priv->last_allocation;
|
||
else if (!(!priv->child1_resize && priv->child2_resize))
|
||
pos = allocation * ((gdouble) priv->child1_size / (priv->last_allocation)) + 0.5;
|
||
else
|
||
pos = priv->child1_size;
|
||
}
|
||
else
|
||
pos = priv->child1_size;
|
||
}
|
||
|
||
pos = CLAMP (pos, min, max);
|
||
|
||
if (min_pos)
|
||
*min_pos = min;
|
||
if (max_pos)
|
||
*max_pos = max;
|
||
if (out_pos)
|
||
*out_pos = pos;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_get_preferred_size_for_orientation (GtkWidget *widget,
|
||
gint size,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gint child_min, child_nat;
|
||
|
||
*minimum = *natural = 0;
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1))
|
||
{
|
||
gtk_widget_measure (priv->child1, priv->orientation, size, &child_min, &child_nat, NULL, NULL);
|
||
if (priv->child1_shrink)
|
||
*minimum = 0;
|
||
else
|
||
*minimum = child_min;
|
||
*natural = child_nat;
|
||
}
|
||
|
||
if (priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gtk_widget_measure (priv->child2, priv->orientation, size, &child_min, &child_nat, NULL, NULL);
|
||
|
||
if (!priv->child2_shrink)
|
||
*minimum += child_min;
|
||
*natural += child_nat;
|
||
}
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1) &&
|
||
priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gint handle_size;
|
||
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
priv->orientation,
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
*minimum += handle_size;
|
||
*natural += handle_size;
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_get_preferred_size_for_opposite_orientation (GtkWidget *widget,
|
||
gint size,
|
||
gint *minimum,
|
||
gint *natural)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gint for_child1, for_child2;
|
||
gint child_min, child_nat;
|
||
|
||
if (size > -1 &&
|
||
priv->child1 && gtk_widget_get_visible (priv->child1) &&
|
||
priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gint child1_req, child2_req;
|
||
gint handle_size;
|
||
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
OPPOSITE_ORIENTATION (priv->orientation),
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
gtk_widget_measure (priv->child1, priv->orientation, -1, &child1_req, NULL, NULL, NULL);
|
||
gtk_widget_measure (priv->child2, priv->orientation, -1, &child2_req, NULL, NULL, NULL);
|
||
|
||
gtk_paned_compute_position (paned,
|
||
size - handle_size, child1_req, child2_req,
|
||
NULL, NULL, &for_child1);
|
||
|
||
for_child2 = size - for_child1 - handle_size;
|
||
}
|
||
else
|
||
{
|
||
for_child1 = size;
|
||
for_child2 = size;
|
||
}
|
||
|
||
*minimum = *natural = 0;
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1))
|
||
{
|
||
gtk_widget_measure (priv->child1,
|
||
OPPOSITE_ORIENTATION (priv->orientation),
|
||
for_child1,
|
||
&child_min, &child_nat,
|
||
NULL, NULL);
|
||
|
||
*minimum = child_min;
|
||
*natural = child_nat;
|
||
}
|
||
|
||
if (priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gtk_widget_measure (priv->child2,
|
||
OPPOSITE_ORIENTATION (priv->orientation),
|
||
for_child2,
|
||
&child_min, &child_nat,
|
||
NULL, NULL);
|
||
|
||
*minimum = MAX (*minimum, child_min);
|
||
*natural = MAX (*natural, child_nat);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_measure (GtkCssGadget *gadget,
|
||
GtkOrientation orientation,
|
||
int size,
|
||
int *minimum,
|
||
int *natural,
|
||
int *minimum_baseline,
|
||
int *natural_baseline,
|
||
gpointer data)
|
||
{
|
||
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (orientation == priv->orientation)
|
||
gtk_paned_get_preferred_size_for_orientation (widget, size, minimum, natural);
|
||
else
|
||
gtk_paned_get_preferred_size_for_opposite_orientation (widget, size, minimum, natural);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_measure_ (GtkWidget *widget,
|
||
GtkOrientation orientation,
|
||
int for_size,
|
||
int *minimum,
|
||
int *natural,
|
||
int *minimum_baseline,
|
||
int *natural_baseline)
|
||
{
|
||
gtk_css_gadget_get_preferred_size (GTK_PANED (widget)->priv->gadget,
|
||
orientation,
|
||
for_size,
|
||
minimum, natural,
|
||
minimum_baseline, natural_baseline);
|
||
}
|
||
|
||
static void
|
||
flip_child (const GtkAllocation *allocation,
|
||
GtkAllocation *child_pos)
|
||
{
|
||
gint x, width;
|
||
|
||
x = allocation->x;
|
||
width = allocation->width;
|
||
|
||
child_pos->x = 2 * x + width - child_pos->x - child_pos->width;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_child_visible (GtkPaned *paned,
|
||
guint id,
|
||
gboolean visible)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkWidget *child;
|
||
|
||
child = id == CHILD1 ? priv->child1 : priv->child2;
|
||
|
||
if (child == NULL)
|
||
return;
|
||
|
||
gtk_widget_set_child_visible (child, visible);
|
||
|
||
if (gtk_widget_get_mapped (GTK_WIDGET (paned)))
|
||
{
|
||
GdkWindow *window = id == CHILD1 ? priv->child1_window : priv->child2_window;
|
||
|
||
if (visible != gdk_window_is_visible (window))
|
||
{
|
||
if (visible)
|
||
gdk_window_show (window);
|
||
else
|
||
gdk_window_hide (window);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_child_allocate (GtkWidget *child,
|
||
GdkWindow *child_window, /* can be NULL */
|
||
const GtkAllocation *window_allocation,
|
||
GtkAllocation *child_allocation)
|
||
{
|
||
if (child_window)
|
||
gdk_window_move_resize (child_window,
|
||
window_allocation->x, window_allocation->y,
|
||
window_allocation->width, window_allocation->height);
|
||
|
||
gtk_widget_size_allocate (child, child_allocation);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_size_allocate (GtkWidget *widget,
|
||
GtkAllocation *allocation)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation clip;
|
||
|
||
gtk_widget_set_allocation (widget, allocation);
|
||
|
||
gtk_css_gadget_allocate (priv->gadget,
|
||
allocation,
|
||
gtk_widget_get_allocated_baseline (widget),
|
||
&clip);
|
||
|
||
clip.x += allocation->x;
|
||
clip.y += allocation->y;
|
||
gtk_widget_set_clip (widget, &clip);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_allocate (GtkCssGadget *gadget,
|
||
const GtkAllocation *allocation,
|
||
int baseline,
|
||
GtkAllocation *out_clip,
|
||
gpointer data)
|
||
{
|
||
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation clip = { 0 };
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1) &&
|
||
priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
GtkAllocation child1_allocation, window1_allocation;
|
||
GtkAllocation child2_allocation, window2_allocation;
|
||
GtkAllocation priv_child1_allocation;
|
||
GdkRectangle old_handle_pos;
|
||
gint handle_size;
|
||
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
priv->orientation,
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
old_handle_pos = priv->handle_pos;
|
||
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
{
|
||
gint child1_width, child2_width;
|
||
|
||
gtk_widget_get_preferred_width_for_height (priv->child1,
|
||
allocation->height,
|
||
&child1_width, NULL);
|
||
gtk_widget_get_preferred_width_for_height (priv->child2,
|
||
allocation->height,
|
||
&child2_width, NULL);
|
||
|
||
gtk_paned_calc_position (paned,
|
||
MAX (1, allocation->width - handle_size),
|
||
child1_width,
|
||
child2_width);
|
||
|
||
priv->handle_pos.x = allocation->x + priv->child1_size;
|
||
priv->handle_pos.y = allocation->y;
|
||
priv->handle_pos.width = handle_size;
|
||
priv->handle_pos.height = allocation->height;
|
||
|
||
window1_allocation.height = window2_allocation.height = allocation->height;
|
||
window1_allocation.width = MAX (1, priv->child1_size);
|
||
window1_allocation.x = allocation->x;
|
||
window1_allocation.y = window2_allocation.y = allocation->y;
|
||
|
||
window2_allocation.x = window1_allocation.x + priv->child1_size + priv->handle_pos.width;
|
||
window2_allocation.width = MAX (1, allocation->width - priv->child1_size - priv->handle_pos.width);
|
||
|
||
if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
|
||
{
|
||
flip_child (allocation, &(window2_allocation));
|
||
flip_child (allocation, &(window1_allocation));
|
||
flip_child (allocation, &(priv->handle_pos));
|
||
}
|
||
|
||
child1_allocation.x = child1_allocation.y = 0;
|
||
child1_allocation.width = window1_allocation.width;
|
||
child1_allocation.height = window1_allocation.height;
|
||
if (child1_width > child1_allocation.width)
|
||
{
|
||
if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_LTR)
|
||
child1_allocation.x -= child1_width - child1_allocation.width;
|
||
child1_allocation.width = child1_width;
|
||
}
|
||
|
||
child2_allocation.x = child2_allocation.y = 0;
|
||
child2_allocation.width = window2_allocation.width;
|
||
child2_allocation.height = window2_allocation.height;
|
||
if (child2_width > child2_allocation.width)
|
||
{
|
||
if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL)
|
||
child2_allocation.x -= child2_width - child2_allocation.width;
|
||
child2_allocation.width = child2_width;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
gint child1_height, child2_height;
|
||
|
||
gtk_widget_get_preferred_height_for_width (priv->child1,
|
||
allocation->width,
|
||
&child1_height, NULL);
|
||
gtk_widget_get_preferred_height_for_width (priv->child2,
|
||
allocation->width,
|
||
&child2_height, NULL);
|
||
|
||
gtk_paned_calc_position (paned,
|
||
MAX (1, allocation->height - handle_size),
|
||
child1_height,
|
||
child2_height);
|
||
|
||
priv->handle_pos.x = allocation->x;
|
||
priv->handle_pos.y = allocation->y + priv->child1_size;
|
||
priv->handle_pos.width = allocation->width;
|
||
priv->handle_pos.height = handle_size;
|
||
|
||
window1_allocation.width = window2_allocation.width = allocation->width;
|
||
window1_allocation.height = MAX (1, priv->child1_size);
|
||
window1_allocation.x = window2_allocation.x = allocation->x;
|
||
window1_allocation.y = allocation->y;
|
||
|
||
window2_allocation.y = window1_allocation.y + priv->child1_size + priv->handle_pos.height;
|
||
window2_allocation.height = MAX (1, allocation->y + allocation->height - window2_allocation.y);
|
||
|
||
child1_allocation.x = child1_allocation.y = 0;
|
||
child1_allocation.width = window1_allocation.width;
|
||
child1_allocation.height = window1_allocation.height;
|
||
if (child1_height > child1_allocation.height)
|
||
{
|
||
child1_allocation.y -= child1_height - child1_allocation.height;
|
||
child1_allocation.height = child1_height;
|
||
}
|
||
|
||
child2_allocation.x = child2_allocation.y = 0;
|
||
child2_allocation.width = window2_allocation.width;
|
||
child2_allocation.height = window2_allocation.height;
|
||
if (child2_height > child2_allocation.height)
|
||
child2_allocation.height = child2_height;
|
||
}
|
||
|
||
gtk_css_gadget_allocate (priv->handle_gadget,
|
||
&priv->handle_pos,
|
||
-1,
|
||
&clip);
|
||
|
||
if (gtk_widget_get_mapped (widget) &&
|
||
(old_handle_pos.x != priv->handle_pos.x ||
|
||
old_handle_pos.y != priv->handle_pos.y ||
|
||
old_handle_pos.width != priv->handle_pos.width ||
|
||
old_handle_pos.height != priv->handle_pos.height))
|
||
{
|
||
gtk_widget_queue_draw_area (widget,
|
||
old_handle_pos.x, old_handle_pos.y,
|
||
old_handle_pos.width, old_handle_pos.height);
|
||
gtk_widget_queue_draw_area (widget,
|
||
priv->handle_pos.x, priv->handle_pos.y,
|
||
priv->handle_pos.width, priv->handle_pos.height);
|
||
}
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
GtkAllocation border_alloc;
|
||
|
||
if (gtk_widget_get_mapped (widget))
|
||
gdk_window_show (priv->handle);
|
||
|
||
gtk_css_gadget_get_border_allocation (priv->handle_gadget, &border_alloc, NULL);
|
||
gdk_window_move_resize (priv->handle,
|
||
border_alloc.x, border_alloc.y,
|
||
border_alloc.width, border_alloc.height);
|
||
}
|
||
|
||
/* Now allocate the childen, making sure, when resizing not to
|
||
* overlap the windows
|
||
*/
|
||
gtk_widget_get_allocation (priv->child1, &priv_child1_allocation);
|
||
if (gtk_widget_get_mapped (widget) &&
|
||
((priv->orientation == GTK_ORIENTATION_HORIZONTAL &&
|
||
priv_child1_allocation.width < child1_allocation.width) ||
|
||
|
||
(priv->orientation == GTK_ORIENTATION_VERTICAL &&
|
||
priv_child1_allocation.height < child1_allocation.height)))
|
||
{
|
||
gtk_paned_child_allocate (priv->child2,
|
||
priv->child2_window,
|
||
&window2_allocation,
|
||
&child2_allocation);
|
||
gtk_paned_child_allocate (priv->child1,
|
||
priv->child1_window,
|
||
&window1_allocation,
|
||
&child1_allocation);
|
||
}
|
||
else
|
||
{
|
||
gtk_paned_child_allocate (priv->child1,
|
||
priv->child1_window,
|
||
&window1_allocation,
|
||
&child1_allocation);
|
||
gtk_paned_child_allocate (priv->child2,
|
||
priv->child2_window,
|
||
&window2_allocation,
|
||
&child2_allocation);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
GtkAllocation window_allocation, child_allocation;
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
gdk_window_hide (priv->handle);
|
||
|
||
window_allocation.x = allocation->x;
|
||
window_allocation.y = allocation->y;
|
||
window_allocation.width = allocation->width;
|
||
window_allocation.height = allocation->height;
|
||
child_allocation.x = child_allocation.y = 0;
|
||
child_allocation.width = allocation->width;
|
||
child_allocation.height = allocation->height;
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1))
|
||
{
|
||
gtk_paned_set_child_visible (paned, CHILD1, TRUE);
|
||
gtk_paned_set_child_visible (paned, CHILD2, FALSE);
|
||
|
||
gtk_paned_child_allocate (priv->child1,
|
||
priv->child1_window,
|
||
&window_allocation,
|
||
&child_allocation);
|
||
}
|
||
else if (priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gtk_paned_set_child_visible (paned, CHILD1, FALSE);
|
||
gtk_paned_set_child_visible (paned, CHILD2, TRUE);
|
||
|
||
gtk_paned_child_allocate (priv->child2,
|
||
priv->child2_window,
|
||
&window_allocation,
|
||
&child_allocation);
|
||
}
|
||
else
|
||
{
|
||
gtk_paned_set_child_visible (paned, CHILD1, FALSE);
|
||
gtk_paned_set_child_visible (paned, CHILD2, FALSE);
|
||
}
|
||
}
|
||
|
||
gtk_container_get_children_clip (GTK_CONTAINER (paned), out_clip);
|
||
gdk_rectangle_union (out_clip, &clip, out_clip);
|
||
}
|
||
|
||
static GdkWindow *
|
||
gtk_paned_create_child_window (GtkPaned *paned,
|
||
GtkWidget *child) /* may be NULL */
|
||
{
|
||
GtkWidget *widget = GTK_WIDGET (paned);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation allocation;
|
||
GdkWindow *window;
|
||
|
||
if (child)
|
||
{
|
||
int handle_size;
|
||
|
||
gtk_widget_get_allocation (child, &allocation);
|
||
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
priv->orientation,
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
gtk_css_gadget_get_content_allocation (priv->gadget, &allocation, NULL);
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL &&
|
||
child == priv->child2 && priv->child1 &&
|
||
gtk_widget_get_visible (priv->child1))
|
||
allocation.x = priv->handle_pos.x + handle_size;
|
||
if (priv->orientation == GTK_ORIENTATION_VERTICAL &&
|
||
child == priv->child2 && priv->child1 &&
|
||
gtk_widget_get_visible (priv->child1))
|
||
allocation.y = priv->handle_pos.y + handle_size;
|
||
}
|
||
else
|
||
{
|
||
allocation = (GdkRectangle) { 0, 0, 1, 1 };
|
||
}
|
||
|
||
window = gdk_window_new_child (gtk_widget_get_window (widget),
|
||
gtk_widget_get_events (widget),
|
||
&allocation);
|
||
gtk_widget_register_window (widget, window);
|
||
|
||
if (child)
|
||
gtk_widget_set_parent_window (child, window);
|
||
|
||
return window;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_realize (GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GdkWindow *window;
|
||
|
||
gtk_widget_set_realized (widget, TRUE);
|
||
|
||
window = gtk_widget_get_parent_window (widget);
|
||
gtk_widget_set_window (widget, window);
|
||
g_object_ref (window);
|
||
|
||
priv->handle = gdk_window_new_input (window,
|
||
gtk_widget_get_events (widget)
|
||
| GDK_BUTTON_PRESS_MASK
|
||
| GDK_BUTTON_RELEASE_MASK
|
||
| GDK_ENTER_NOTIFY_MASK
|
||
| GDK_LEAVE_NOTIFY_MASK
|
||
| GDK_POINTER_MOTION_MASK,
|
||
&priv->handle_pos);
|
||
|
||
if (gtk_widget_is_sensitive (widget))
|
||
{
|
||
GdkCursor *cursor;
|
||
|
||
cursor = gdk_cursor_new_from_name (gtk_widget_get_display (widget),
|
||
priv->orientation == GTK_ORIENTATION_HORIZONTAL
|
||
? "col-resize" : "row-resize");
|
||
gdk_window_set_cursor (priv->handle, cursor);
|
||
g_object_unref (cursor);
|
||
}
|
||
|
||
gtk_widget_register_window (widget, priv->handle);
|
||
|
||
priv->child1_window = gtk_paned_create_child_window (paned, priv->child1);
|
||
priv->child2_window = gtk_paned_create_child_window (paned, priv->child2);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_unrealize (GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->child2)
|
||
gtk_widget_set_parent_window (priv->child2, NULL);
|
||
gtk_widget_unregister_window (widget, priv->child2_window);
|
||
gdk_window_destroy (priv->child2_window);
|
||
priv->child2_window = NULL;
|
||
|
||
if (priv->child1)
|
||
gtk_widget_set_parent_window (priv->child1, NULL);
|
||
gtk_widget_unregister_window (widget, priv->child1_window);
|
||
gdk_window_destroy (priv->child1_window);
|
||
priv->child1_window = NULL;
|
||
|
||
if (priv->handle)
|
||
{
|
||
gtk_widget_unregister_window (widget, priv->handle);
|
||
gdk_window_destroy (priv->handle);
|
||
priv->handle = NULL;
|
||
}
|
||
|
||
gtk_paned_set_last_child1_focus (paned, NULL);
|
||
gtk_paned_set_last_child2_focus (paned, NULL);
|
||
gtk_paned_set_saved_focus (paned, NULL);
|
||
gtk_paned_set_first_paned (paned, NULL);
|
||
|
||
GTK_WIDGET_CLASS (gtk_paned_parent_class)->unrealize (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_map (GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1) && gtk_widget_get_child_visible (priv->child1))
|
||
gdk_window_show (priv->child1_window);
|
||
if (priv->child2 && gtk_widget_get_visible (priv->child2) && gtk_widget_get_child_visible (priv->child2))
|
||
gdk_window_show (priv->child2_window);
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1) &&
|
||
priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
gdk_window_show (priv->handle);
|
||
|
||
GTK_WIDGET_CLASS (gtk_paned_parent_class)->map (widget);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_unmap (GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
gdk_window_hide (priv->handle);
|
||
|
||
if (gdk_window_is_visible (priv->child1_window))
|
||
gdk_window_hide (priv->child1_window);
|
||
if (gdk_window_is_visible (priv->child2_window))
|
||
gdk_window_hide (priv->child2_window);
|
||
|
||
GTK_WIDGET_CLASS (gtk_paned_parent_class)->unmap (widget);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_draw (GtkWidget *widget,
|
||
cairo_t *cr)
|
||
{
|
||
gtk_css_gadget_draw (GTK_PANED (widget)->priv->gadget, cr);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_render (GtkCssGadget *gadget,
|
||
cairo_t *cr,
|
||
int x,
|
||
int y,
|
||
int width,
|
||
int height,
|
||
gpointer data)
|
||
{
|
||
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation widget_allocation;
|
||
int window_x, window_y;
|
||
|
||
gtk_widget_get_allocation (widget, &widget_allocation);
|
||
if (gtk_cairo_should_draw_window (cr, gtk_widget_get_window (widget)) &&
|
||
priv->child1 && gtk_widget_get_visible (priv->child1) &&
|
||
priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
gtk_css_gadget_draw (priv->handle_gadget, cr);
|
||
|
||
if (priv->child1 && gtk_widget_get_visible (priv->child1))
|
||
{
|
||
gdk_window_get_position (priv->child1_window, &window_x, &window_y);
|
||
cairo_save (cr);
|
||
cairo_rectangle (cr,
|
||
window_x - widget_allocation.x,
|
||
window_y - widget_allocation.y,
|
||
gdk_window_get_width (priv->child1_window),
|
||
gdk_window_get_height (priv->child1_window));
|
||
cairo_clip (cr);
|
||
gtk_container_propagate_draw (GTK_CONTAINER (widget), priv->child1, cr);
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
if (priv->child2 && gtk_widget_get_visible (priv->child2))
|
||
{
|
||
gdk_window_get_position (priv->child2_window, &window_x, &window_y);
|
||
cairo_save (cr);
|
||
cairo_rectangle (cr,
|
||
window_x - widget_allocation.x,
|
||
window_y - widget_allocation.y,
|
||
gdk_window_get_width (priv->child2_window),
|
||
gdk_window_get_height (priv->child2_window));
|
||
cairo_clip (cr);
|
||
gtk_container_propagate_draw (GTK_CONTAINER (widget), priv->child2, cr);
|
||
cairo_restore (cr);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_render_handle (GtkCssGadget *gadget,
|
||
cairo_t *cr,
|
||
int x,
|
||
int y,
|
||
int width,
|
||
int height,
|
||
gpointer data)
|
||
{
|
||
GtkWidget *widget = gtk_css_gadget_get_owner (gadget);
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkStyleContext *context = gtk_widget_get_style_context (widget);
|
||
|
||
gtk_style_context_save_to_node (context, gtk_css_gadget_get_node (priv->handle_gadget));
|
||
gtk_render_handle (context, cr, x, y, width, height);
|
||
gtk_style_context_restore (context);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
update_node_state (GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkStateFlags state;
|
||
|
||
state = gtk_widget_get_state_flags (widget);
|
||
|
||
if (gtk_widget_is_focus (widget))
|
||
state |= GTK_STATE_FLAG_SELECTED;
|
||
if (priv->handle_prelit)
|
||
state |= GTK_STATE_FLAG_PRELIGHT;
|
||
|
||
gtk_css_node_set_state (gtk_css_gadget_get_node (priv->handle_gadget), state);
|
||
}
|
||
|
||
static void
|
||
connect_drag_gesture_signals (GtkPaned *paned,
|
||
GtkGesture *gesture)
|
||
{
|
||
g_signal_connect (gesture, "drag-begin",
|
||
G_CALLBACK (gesture_drag_begin_cb), paned);
|
||
g_signal_connect (gesture, "drag-update",
|
||
G_CALLBACK (gesture_drag_update_cb), paned);
|
||
g_signal_connect (gesture, "drag-end",
|
||
G_CALLBACK (gesture_drag_end_cb), paned);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_init (GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
GtkGesture *gesture;
|
||
GtkCssNode *widget_node;
|
||
|
||
gtk_widget_set_has_window (GTK_WIDGET (paned), FALSE);
|
||
gtk_widget_set_can_focus (GTK_WIDGET (paned), TRUE);
|
||
|
||
/* We only need to redraw when the handle position moves, which is
|
||
* independent of the overall allocation of the GtkPaned
|
||
*/
|
||
gtk_widget_set_redraw_on_allocate (GTK_WIDGET (paned), FALSE);
|
||
|
||
paned->priv = gtk_paned_get_instance_private (paned);
|
||
priv = paned->priv;
|
||
|
||
priv->orientation = GTK_ORIENTATION_HORIZONTAL;
|
||
|
||
priv->child1 = NULL;
|
||
priv->child2 = NULL;
|
||
priv->handle = NULL;
|
||
|
||
priv->handle_pos.width = 5;
|
||
priv->handle_pos.height = 5;
|
||
priv->position_set = FALSE;
|
||
priv->last_allocation = -1;
|
||
|
||
priv->last_child1_focus = NULL;
|
||
priv->last_child2_focus = NULL;
|
||
priv->in_recursion = FALSE;
|
||
priv->handle_prelit = FALSE;
|
||
priv->original_position = -1;
|
||
priv->max_position = G_MAXINT;
|
||
|
||
priv->handle_pos.x = -1;
|
||
priv->handle_pos.y = -1;
|
||
|
||
_gtk_orientable_set_style_classes (GTK_ORIENTABLE (paned));
|
||
|
||
/* Touch gesture */
|
||
gesture = gtk_gesture_pan_new (GTK_WIDGET (paned),
|
||
GTK_ORIENTATION_HORIZONTAL);
|
||
connect_drag_gesture_signals (paned, gesture);
|
||
gtk_gesture_single_set_touch_only (GTK_GESTURE_SINGLE (gesture), TRUE);
|
||
gtk_event_controller_set_propagation_phase (GTK_EVENT_CONTROLLER (gesture),
|
||
GTK_PHASE_CAPTURE);
|
||
priv->pan_gesture = gesture;
|
||
|
||
/* Pointer gesture */
|
||
gesture = gtk_gesture_drag_new (GTK_WIDGET (paned));
|
||
connect_drag_gesture_signals (paned, gesture);
|
||
priv->drag_gesture = gesture;
|
||
|
||
widget_node = gtk_widget_get_css_node (GTK_WIDGET (paned));
|
||
priv->gadget = gtk_css_custom_gadget_new_for_node (widget_node,
|
||
GTK_WIDGET (paned),
|
||
gtk_paned_measure,
|
||
gtk_paned_allocate,
|
||
gtk_paned_render,
|
||
NULL,
|
||
NULL);
|
||
priv->handle_gadget = gtk_css_custom_gadget_new ("separator",
|
||
GTK_WIDGET (paned),
|
||
priv->gadget,
|
||
NULL,
|
||
NULL,
|
||
NULL,
|
||
gtk_paned_render_handle,
|
||
NULL,
|
||
NULL);
|
||
update_node_state (GTK_WIDGET (paned));
|
||
}
|
||
|
||
static gboolean
|
||
is_rtl (GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL &&
|
||
gtk_widget_get_direction (GTK_WIDGET (paned)) == GTK_TEXT_DIR_RTL)
|
||
{
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
update_drag (GtkPaned *paned,
|
||
int xpos,
|
||
int ypos)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkAllocation allocation;
|
||
gint pos;
|
||
gint handle_size;
|
||
gint size;
|
||
gint x, y;
|
||
|
||
gdk_window_get_position (priv->handle, &x, &y);
|
||
gtk_css_gadget_get_content_allocation (priv->gadget, &allocation, NULL);
|
||
if (priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
pos = xpos;
|
||
else
|
||
pos = ypos;
|
||
|
||
pos -= priv->drag_pos;
|
||
|
||
if (is_rtl (paned))
|
||
{
|
||
gtk_css_gadget_get_preferred_size (priv->handle_gadget,
|
||
GTK_ORIENTATION_HORIZONTAL,
|
||
-1,
|
||
NULL, &handle_size,
|
||
NULL, NULL);
|
||
|
||
size = allocation.width - pos - handle_size;
|
||
}
|
||
else
|
||
{
|
||
size = pos;
|
||
}
|
||
|
||
size = CLAMP (size, priv->min_position, priv->max_position);
|
||
|
||
if (size != priv->child1_size)
|
||
gtk_paned_set_position (paned, size);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_enter (GtkWidget *widget,
|
||
GdkEventCrossing *event)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (!gtk_gesture_is_active (priv->pan_gesture))
|
||
{
|
||
priv->handle_prelit = TRUE;
|
||
update_node_state (widget);
|
||
gtk_widget_queue_draw_area (widget,
|
||
priv->handle_pos.x,
|
||
priv->handle_pos.y,
|
||
priv->handle_pos.width,
|
||
priv->handle_pos.height);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_leave (GtkWidget *widget,
|
||
GdkEventCrossing *event)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (!gtk_gesture_is_active (priv->pan_gesture))
|
||
{
|
||
priv->handle_prelit = FALSE;
|
||
update_node_state (widget);
|
||
gtk_widget_queue_draw_area (widget,
|
||
priv->handle_pos.x,
|
||
priv->handle_pos.y,
|
||
priv->handle_pos.width,
|
||
priv->handle_pos.height);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_focus (GtkWidget *widget,
|
||
GtkDirectionType direction)
|
||
|
||
{
|
||
gboolean retval;
|
||
|
||
/* This is a hack, but how can this be done without
|
||
* excessive cut-and-paste from gtkcontainer.c?
|
||
*/
|
||
|
||
gtk_widget_set_can_focus (widget, FALSE);
|
||
retval = GTK_WIDGET_CLASS (gtk_paned_parent_class)->focus (widget, direction);
|
||
gtk_widget_set_can_focus (widget, TRUE);
|
||
|
||
return retval;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_state_flags_changed (GtkWidget *widget,
|
||
GtkStateFlags previous_state)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GdkCursor *cursor;
|
||
|
||
if (gtk_widget_get_realized (widget))
|
||
{
|
||
if (gtk_widget_is_sensitive (widget))
|
||
cursor = gdk_cursor_new_from_name (gtk_widget_get_display (widget),
|
||
priv->orientation == GTK_ORIENTATION_HORIZONTAL
|
||
? "col-resize" : "row-resize");
|
||
else
|
||
cursor = NULL;
|
||
|
||
gdk_window_set_cursor (priv->handle, cursor);
|
||
|
||
if (cursor)
|
||
g_object_unref (cursor);
|
||
}
|
||
|
||
update_node_state (widget);
|
||
|
||
GTK_WIDGET_CLASS (gtk_paned_parent_class)->state_flags_changed (widget, previous_state);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_direction_changed (GtkWidget *widget,
|
||
GtkTextDirection previous_direction)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
|
||
if (paned->priv->orientation == GTK_ORIENTATION_HORIZONTAL)
|
||
gtk_css_node_reverse_children (gtk_widget_get_css_node (widget));
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_new:
|
||
* @orientation: the paned’s orientation.
|
||
*
|
||
* Creates a new #GtkPaned widget.
|
||
*
|
||
* Returns: a new #GtkPaned.
|
||
*
|
||
* Since: 3.0
|
||
**/
|
||
GtkWidget *
|
||
gtk_paned_new (GtkOrientation orientation)
|
||
{
|
||
return g_object_new (GTK_TYPE_PANED,
|
||
"orientation", orientation,
|
||
NULL);
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_add1:
|
||
* @paned: a paned widget
|
||
* @child: the child to add
|
||
*
|
||
* Adds a child to the top or left pane with default parameters. This is
|
||
* equivalent to
|
||
* `gtk_paned_pack1 (paned, child, FALSE, TRUE)`.
|
||
*/
|
||
void
|
||
gtk_paned_add1 (GtkPaned *paned,
|
||
GtkWidget *widget)
|
||
{
|
||
gtk_paned_pack1 (paned, widget, FALSE, TRUE);
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_add2:
|
||
* @paned: a paned widget
|
||
* @child: the child to add
|
||
*
|
||
* Adds a child to the bottom or right pane with default parameters. This
|
||
* is equivalent to
|
||
* `gtk_paned_pack2 (paned, child, TRUE, TRUE)`.
|
||
*/
|
||
void
|
||
gtk_paned_add2 (GtkPaned *paned,
|
||
GtkWidget *widget)
|
||
{
|
||
gtk_paned_pack2 (paned, widget, TRUE, TRUE);
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_pack1:
|
||
* @paned: a paned widget
|
||
* @child: the child to add
|
||
* @resize: should this child expand when the paned widget is resized.
|
||
* @shrink: can this child be made smaller than its requisition.
|
||
*
|
||
* Adds a child to the top or left pane.
|
||
*/
|
||
void
|
||
gtk_paned_pack1 (GtkPaned *paned,
|
||
GtkWidget *child,
|
||
gboolean resize,
|
||
gboolean shrink)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
GtkCssNode *widget_node;
|
||
GtkCssNode *child_node;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (paned));
|
||
g_return_if_fail (GTK_IS_WIDGET (child));
|
||
|
||
priv = paned->priv;
|
||
|
||
if (!priv->child1)
|
||
{
|
||
priv->child1 = child;
|
||
priv->child1_resize = resize;
|
||
priv->child1_shrink = shrink;
|
||
|
||
widget_node = gtk_widget_get_css_node (GTK_WIDGET (paned));
|
||
child_node = gtk_widget_get_css_node (child);
|
||
if (gtk_widget_get_direction (GTK_WIDGET (paned)) == GTK_TEXT_DIR_RTL)
|
||
gtk_css_node_insert_after (widget_node, child_node, gtk_css_gadget_get_node (priv->handle_gadget));
|
||
else
|
||
gtk_css_node_insert_before (widget_node, child_node, gtk_css_gadget_get_node (priv->handle_gadget));
|
||
|
||
gtk_widget_set_parent_window (child, priv->child1_window);
|
||
gtk_widget_set_parent (child, GTK_WIDGET (paned));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_pack2:
|
||
* @paned: a paned widget
|
||
* @child: the child to add
|
||
* @resize: should this child expand when the paned widget is resized.
|
||
* @shrink: can this child be made smaller than its requisition.
|
||
*
|
||
* Adds a child to the bottom or right pane.
|
||
*/
|
||
void
|
||
gtk_paned_pack2 (GtkPaned *paned,
|
||
GtkWidget *child,
|
||
gboolean resize,
|
||
gboolean shrink)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
GtkCssNode *widget_node;
|
||
GtkCssNode *child_node;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (paned));
|
||
g_return_if_fail (GTK_IS_WIDGET (child));
|
||
|
||
priv = paned->priv;
|
||
|
||
if (!priv->child2)
|
||
{
|
||
priv->child2 = child;
|
||
priv->child2_resize = resize;
|
||
priv->child2_shrink = shrink;
|
||
|
||
widget_node = gtk_widget_get_css_node (GTK_WIDGET (paned));
|
||
child_node = gtk_widget_get_css_node (child);
|
||
if (gtk_widget_get_direction (GTK_WIDGET (paned)) == GTK_TEXT_DIR_RTL)
|
||
gtk_css_node_insert_before (widget_node, child_node, gtk_css_gadget_get_node (priv->handle_gadget));
|
||
else
|
||
gtk_css_node_insert_after (widget_node, child_node, gtk_css_gadget_get_node (priv->handle_gadget));
|
||
|
||
gtk_widget_set_parent_window (child, priv->child2_window);
|
||
gtk_widget_set_parent (child, GTK_WIDGET (paned));
|
||
}
|
||
}
|
||
|
||
|
||
static void
|
||
gtk_paned_add (GtkContainer *container,
|
||
GtkWidget *widget)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
GtkPaned *paned;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (container));
|
||
|
||
paned = GTK_PANED (container);
|
||
priv = paned->priv;
|
||
|
||
if (!priv->child1)
|
||
gtk_paned_add1 (paned, widget);
|
||
else if (!priv->child2)
|
||
gtk_paned_add2 (paned, widget);
|
||
else
|
||
g_warning ("GtkPaned cannot have more than 2 children");
|
||
}
|
||
|
||
static void
|
||
gtk_paned_remove (GtkContainer *container,
|
||
GtkWidget *widget)
|
||
{
|
||
GtkPaned *paned = GTK_PANED (container);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gboolean was_visible;
|
||
|
||
was_visible = gtk_widget_get_visible (widget);
|
||
|
||
if (priv->child1 == widget)
|
||
{
|
||
if (priv->child1_window && gdk_window_is_visible (priv->child1_window))
|
||
gdk_window_hide (priv->child1_window);
|
||
|
||
gtk_widget_unparent (widget);
|
||
|
||
priv->child1 = NULL;
|
||
|
||
if (was_visible && gtk_widget_get_visible (GTK_WIDGET (container)))
|
||
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (container));
|
||
}
|
||
else if (priv->child2 == widget)
|
||
{
|
||
if (priv->child2_window && gdk_window_is_visible (priv->child2_window))
|
||
gdk_window_hide (priv->child2_window);
|
||
|
||
gtk_widget_unparent (widget);
|
||
|
||
priv->child2 = NULL;
|
||
|
||
if (was_visible && gtk_widget_get_visible (GTK_WIDGET (container)))
|
||
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (container));
|
||
}
|
||
}
|
||
|
||
static void
|
||
gtk_paned_forall (GtkContainer *container,
|
||
gboolean include_internals,
|
||
GtkCallback callback,
|
||
gpointer callback_data)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
GtkPaned *paned;
|
||
|
||
g_return_if_fail (callback != NULL);
|
||
|
||
paned = GTK_PANED (container);
|
||
priv = paned->priv;
|
||
|
||
if (priv->child1)
|
||
(*callback) (priv->child1, callback_data);
|
||
if (priv->child2)
|
||
(*callback) (priv->child2, callback_data);
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_get_position:
|
||
* @paned: a #GtkPaned widget
|
||
*
|
||
* Obtains the position of the divider between the two panes.
|
||
*
|
||
* Returns: position of the divider
|
||
**/
|
||
gint
|
||
gtk_paned_get_position (GtkPaned *paned)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_PANED (paned), 0);
|
||
|
||
return paned->priv->child1_size;
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_set_position:
|
||
* @paned: a #GtkPaned widget
|
||
* @position: pixel position of divider, a negative value means that the position
|
||
* is unset.
|
||
*
|
||
* Sets the position of the divider between the two panes.
|
||
**/
|
||
void
|
||
gtk_paned_set_position (GtkPaned *paned,
|
||
gint position)
|
||
{
|
||
GtkPanedPrivate *priv;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (paned));
|
||
|
||
priv = paned->priv;
|
||
|
||
g_object_freeze_notify (G_OBJECT (paned));
|
||
|
||
if (position >= 0)
|
||
{
|
||
/* We don't clamp here - the assumption is that
|
||
* if the total allocation changes at the same time
|
||
* as the position, the position set is with reference
|
||
* to the new total size. If only the position changes,
|
||
* then clamping will occur in gtk_paned_calc_position()
|
||
*/
|
||
|
||
if (!priv->position_set)
|
||
g_object_notify (G_OBJECT (paned), "position-set");
|
||
|
||
if (priv->child1_size != position)
|
||
{
|
||
g_object_notify (G_OBJECT (paned), "position");
|
||
gtk_widget_queue_resize_no_redraw (GTK_WIDGET (paned));
|
||
}
|
||
|
||
priv->child1_size = position;
|
||
priv->position_set = TRUE;
|
||
}
|
||
else
|
||
{
|
||
if (priv->position_set)
|
||
g_object_notify (G_OBJECT (paned), "position-set");
|
||
|
||
priv->position_set = FALSE;
|
||
}
|
||
|
||
g_object_thaw_notify (G_OBJECT (paned));
|
||
|
||
#ifdef G_OS_WIN32
|
||
/* Hacky work-around for bug #144269 */
|
||
if (priv->child2 != NULL)
|
||
{
|
||
gtk_widget_queue_draw (priv->child2);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_get_child1:
|
||
* @paned: a #GtkPaned widget
|
||
*
|
||
* Obtains the first child of the paned widget.
|
||
*
|
||
* Returns: (nullable) (transfer none): first child, or %NULL if it is not set.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
GtkWidget *
|
||
gtk_paned_get_child1 (GtkPaned *paned)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_PANED (paned), NULL);
|
||
|
||
return paned->priv->child1;
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_get_child2:
|
||
* @paned: a #GtkPaned widget
|
||
*
|
||
* Obtains the second child of the paned widget.
|
||
*
|
||
* Returns: (nullable) (transfer none): second child, or %NULL if it is not set.
|
||
*
|
||
* Since: 2.4
|
||
**/
|
||
GtkWidget *
|
||
gtk_paned_get_child2 (GtkPaned *paned)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_PANED (paned), NULL);
|
||
|
||
return paned->priv->child2;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_calc_position (GtkPaned *paned,
|
||
gint allocation,
|
||
gint child1_req,
|
||
gint child2_req)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
gint old_position;
|
||
gint old_min_position;
|
||
gint old_max_position;
|
||
|
||
old_position = priv->child1_size;
|
||
old_min_position = priv->min_position;
|
||
old_max_position = priv->max_position;
|
||
|
||
gtk_paned_compute_position (paned,
|
||
allocation, child1_req, child2_req,
|
||
&priv->min_position, &priv->max_position,
|
||
&priv->child1_size);
|
||
|
||
gtk_paned_set_child_visible (paned, CHILD1, priv->child1_size != 0);
|
||
gtk_paned_set_child_visible (paned, CHILD2, priv->child1_size != allocation);
|
||
|
||
g_object_freeze_notify (G_OBJECT (paned));
|
||
if (priv->child1_size != old_position)
|
||
g_object_notify (G_OBJECT (paned), "position");
|
||
if (priv->min_position != old_min_position)
|
||
g_object_notify (G_OBJECT (paned), "min-position");
|
||
if (priv->max_position != old_max_position)
|
||
g_object_notify (G_OBJECT (paned), "max-position");
|
||
g_object_thaw_notify (G_OBJECT (paned));
|
||
|
||
priv->last_allocation = allocation;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_saved_focus (GtkPaned *paned, GtkWidget *widget)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->saved_focus)
|
||
g_object_remove_weak_pointer (G_OBJECT (priv->saved_focus),
|
||
(gpointer *)&(priv->saved_focus));
|
||
|
||
priv->saved_focus = widget;
|
||
|
||
if (priv->saved_focus)
|
||
g_object_add_weak_pointer (G_OBJECT (priv->saved_focus),
|
||
(gpointer *)&(priv->saved_focus));
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_first_paned (GtkPaned *paned, GtkPaned *first_paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->first_paned)
|
||
g_object_remove_weak_pointer (G_OBJECT (priv->first_paned),
|
||
(gpointer *)&(priv->first_paned));
|
||
|
||
priv->first_paned = first_paned;
|
||
|
||
if (priv->first_paned)
|
||
g_object_add_weak_pointer (G_OBJECT (priv->first_paned),
|
||
(gpointer *)&(priv->first_paned));
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_last_child1_focus (GtkPaned *paned, GtkWidget *widget)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->last_child1_focus)
|
||
g_object_remove_weak_pointer (G_OBJECT (priv->last_child1_focus),
|
||
(gpointer *)&(priv->last_child1_focus));
|
||
|
||
priv->last_child1_focus = widget;
|
||
|
||
if (priv->last_child1_focus)
|
||
g_object_add_weak_pointer (G_OBJECT (priv->last_child1_focus),
|
||
(gpointer *)&(priv->last_child1_focus));
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_last_child2_focus (GtkPaned *paned, GtkWidget *widget)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (priv->last_child2_focus)
|
||
g_object_remove_weak_pointer (G_OBJECT (priv->last_child2_focus),
|
||
(gpointer *)&(priv->last_child2_focus));
|
||
|
||
priv->last_child2_focus = widget;
|
||
|
||
if (priv->last_child2_focus)
|
||
g_object_add_weak_pointer (G_OBJECT (priv->last_child2_focus),
|
||
(gpointer *)&(priv->last_child2_focus));
|
||
}
|
||
|
||
static GtkWidget *
|
||
paned_get_focus_widget (GtkPaned *paned)
|
||
{
|
||
GtkWidget *toplevel;
|
||
|
||
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (paned));
|
||
if (gtk_widget_is_toplevel (toplevel))
|
||
return gtk_window_get_focus (GTK_WINDOW (toplevel));
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_set_focus_child (GtkContainer *container,
|
||
GtkWidget *focus_child)
|
||
{
|
||
GtkPaned *paned;
|
||
GtkPanedPrivate *priv;
|
||
GtkWidget *container_focus_child;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (container));
|
||
|
||
paned = GTK_PANED (container);
|
||
priv = paned->priv;
|
||
|
||
if (focus_child == NULL)
|
||
{
|
||
GtkWidget *last_focus;
|
||
GtkWidget *w;
|
||
|
||
last_focus = paned_get_focus_widget (paned);
|
||
|
||
if (last_focus)
|
||
{
|
||
/* If there is one or more paned widgets between us and the
|
||
* focus widget, we want the topmost of those as last_focus
|
||
*/
|
||
for (w = last_focus; w != GTK_WIDGET (paned); w = gtk_widget_get_parent (w))
|
||
if (GTK_IS_PANED (w))
|
||
last_focus = w;
|
||
|
||
container_focus_child = gtk_container_get_focus_child (container);
|
||
if (container_focus_child == priv->child1)
|
||
gtk_paned_set_last_child1_focus (paned, last_focus);
|
||
else if (container_focus_child == priv->child2)
|
||
gtk_paned_set_last_child2_focus (paned, last_focus);
|
||
}
|
||
}
|
||
|
||
if (GTK_CONTAINER_CLASS (gtk_paned_parent_class)->set_focus_child)
|
||
GTK_CONTAINER_CLASS (gtk_paned_parent_class)->set_focus_child (container, focus_child);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_get_cycle_chain (GtkPaned *paned,
|
||
GtkDirectionType direction,
|
||
GList **widgets)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkContainer *container = GTK_CONTAINER (paned);
|
||
GtkWidget *ancestor = NULL;
|
||
GtkWidget *focus_child;
|
||
GtkWidget *parent;
|
||
GtkWidget *widget = GTK_WIDGET (paned);
|
||
GList *temp_list = NULL;
|
||
GList *list;
|
||
|
||
if (priv->in_recursion)
|
||
return;
|
||
|
||
g_assert (widgets != NULL);
|
||
|
||
if (priv->last_child1_focus &&
|
||
!gtk_widget_is_ancestor (priv->last_child1_focus, widget))
|
||
{
|
||
gtk_paned_set_last_child1_focus (paned, NULL);
|
||
}
|
||
|
||
if (priv->last_child2_focus &&
|
||
!gtk_widget_is_ancestor (priv->last_child2_focus, widget))
|
||
{
|
||
gtk_paned_set_last_child2_focus (paned, NULL);
|
||
}
|
||
|
||
parent = gtk_widget_get_parent (widget);
|
||
if (parent)
|
||
ancestor = gtk_widget_get_ancestor (parent, GTK_TYPE_PANED);
|
||
|
||
/* The idea here is that temp_list is a list of widgets we want to cycle
|
||
* to. The list is prioritized so that the first element is our first
|
||
* choice, the next our second, and so on.
|
||
*
|
||
* We can't just use g_list_reverse(), because we want to try
|
||
* priv->last_child?_focus before priv->child?, both when we
|
||
* are going forward and backward.
|
||
*/
|
||
focus_child = gtk_container_get_focus_child (container);
|
||
if (direction == GTK_DIR_TAB_FORWARD)
|
||
{
|
||
if (focus_child == priv->child1)
|
||
{
|
||
temp_list = g_list_append (temp_list, priv->last_child2_focus);
|
||
temp_list = g_list_append (temp_list, priv->child2);
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
}
|
||
else if (focus_child == priv->child2)
|
||
{
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
temp_list = g_list_append (temp_list, priv->last_child1_focus);
|
||
temp_list = g_list_append (temp_list, priv->child1);
|
||
}
|
||
else
|
||
{
|
||
temp_list = g_list_append (temp_list, priv->last_child1_focus);
|
||
temp_list = g_list_append (temp_list, priv->child1);
|
||
temp_list = g_list_append (temp_list, priv->last_child2_focus);
|
||
temp_list = g_list_append (temp_list, priv->child2);
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (focus_child == priv->child1)
|
||
{
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
temp_list = g_list_append (temp_list, priv->last_child2_focus);
|
||
temp_list = g_list_append (temp_list, priv->child2);
|
||
}
|
||
else if (focus_child == priv->child2)
|
||
{
|
||
temp_list = g_list_append (temp_list, priv->last_child1_focus);
|
||
temp_list = g_list_append (temp_list, priv->child1);
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
}
|
||
else
|
||
{
|
||
temp_list = g_list_append (temp_list, priv->last_child2_focus);
|
||
temp_list = g_list_append (temp_list, priv->child2);
|
||
temp_list = g_list_append (temp_list, priv->last_child1_focus);
|
||
temp_list = g_list_append (temp_list, priv->child1);
|
||
temp_list = g_list_append (temp_list, ancestor);
|
||
}
|
||
}
|
||
|
||
/* Walk the list and expand all the paned widgets. */
|
||
for (list = temp_list; list != NULL; list = list->next)
|
||
{
|
||
widget = list->data;
|
||
|
||
if (widget)
|
||
{
|
||
if (GTK_IS_PANED (widget))
|
||
{
|
||
priv->in_recursion = TRUE;
|
||
gtk_paned_get_cycle_chain (GTK_PANED (widget), direction, widgets);
|
||
priv->in_recursion = FALSE;
|
||
}
|
||
else
|
||
{
|
||
*widgets = g_list_append (*widgets, widget);
|
||
}
|
||
}
|
||
}
|
||
|
||
g_list_free (temp_list);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_cycle_child_focus (GtkPaned *paned,
|
||
gboolean reversed)
|
||
{
|
||
GList *cycle_chain = NULL;
|
||
GList *list;
|
||
|
||
GtkDirectionType direction = reversed? GTK_DIR_TAB_BACKWARD : GTK_DIR_TAB_FORWARD;
|
||
|
||
/* ignore f6 if the handle is focused */
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
return TRUE;
|
||
|
||
/* we can't just let the event propagate up the hierarchy,
|
||
* because the paned will want to cycle focus _unless_ an
|
||
* ancestor paned handles the event
|
||
*/
|
||
gtk_paned_get_cycle_chain (paned, direction, &cycle_chain);
|
||
|
||
for (list = cycle_chain; list != NULL; list = list->next)
|
||
if (gtk_widget_child_focus (GTK_WIDGET (list->data), direction))
|
||
break;
|
||
|
||
g_list_free (cycle_chain);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
get_child_panes (GtkWidget *widget,
|
||
GList **panes)
|
||
{
|
||
if (!widget || !gtk_widget_get_realized (widget))
|
||
return;
|
||
|
||
if (GTK_IS_PANED (widget))
|
||
{
|
||
GtkPaned *paned = GTK_PANED (widget);
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
get_child_panes (priv->child1, panes);
|
||
*panes = g_list_prepend (*panes, widget);
|
||
get_child_panes (priv->child2, panes);
|
||
}
|
||
else if (GTK_IS_CONTAINER (widget))
|
||
{
|
||
gtk_container_forall (GTK_CONTAINER (widget),
|
||
(GtkCallback)get_child_panes, panes);
|
||
}
|
||
}
|
||
|
||
static GList *
|
||
get_all_panes (GtkPaned *paned)
|
||
{
|
||
GtkPaned *topmost = NULL;
|
||
GList *result = NULL;
|
||
GtkWidget *w;
|
||
|
||
for (w = GTK_WIDGET (paned); w != NULL; w = gtk_widget_get_parent (w))
|
||
{
|
||
if (GTK_IS_PANED (w))
|
||
topmost = GTK_PANED (w);
|
||
}
|
||
|
||
g_assert (topmost);
|
||
|
||
get_child_panes (GTK_WIDGET (topmost), &result);
|
||
|
||
return g_list_reverse (result);
|
||
}
|
||
|
||
static void
|
||
gtk_paned_find_neighbours (GtkPaned *paned,
|
||
GtkPaned **next,
|
||
GtkPaned **prev)
|
||
{
|
||
GList *all_panes;
|
||
GList *this_link;
|
||
|
||
all_panes = get_all_panes (paned);
|
||
g_assert (all_panes);
|
||
|
||
this_link = g_list_find (all_panes, paned);
|
||
|
||
g_assert (this_link);
|
||
|
||
if (this_link->next)
|
||
*next = this_link->next->data;
|
||
else
|
||
*next = all_panes->data;
|
||
|
||
if (this_link->prev)
|
||
*prev = this_link->prev->data;
|
||
else
|
||
*prev = g_list_last (all_panes)->data;
|
||
|
||
g_list_free (all_panes);
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_move_handle (GtkPaned *paned,
|
||
GtkScrollType scroll)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
gint old_position;
|
||
gint new_position;
|
||
gint increment;
|
||
|
||
enum {
|
||
SINGLE_STEP_SIZE = 1,
|
||
PAGE_STEP_SIZE = 75
|
||
};
|
||
|
||
new_position = old_position = gtk_paned_get_position (paned);
|
||
increment = 0;
|
||
|
||
switch (scroll)
|
||
{
|
||
case GTK_SCROLL_STEP_LEFT:
|
||
case GTK_SCROLL_STEP_UP:
|
||
case GTK_SCROLL_STEP_BACKWARD:
|
||
increment = - SINGLE_STEP_SIZE;
|
||
break;
|
||
|
||
case GTK_SCROLL_STEP_RIGHT:
|
||
case GTK_SCROLL_STEP_DOWN:
|
||
case GTK_SCROLL_STEP_FORWARD:
|
||
increment = SINGLE_STEP_SIZE;
|
||
break;
|
||
|
||
case GTK_SCROLL_PAGE_LEFT:
|
||
case GTK_SCROLL_PAGE_UP:
|
||
case GTK_SCROLL_PAGE_BACKWARD:
|
||
increment = - PAGE_STEP_SIZE;
|
||
break;
|
||
|
||
case GTK_SCROLL_PAGE_RIGHT:
|
||
case GTK_SCROLL_PAGE_DOWN:
|
||
case GTK_SCROLL_PAGE_FORWARD:
|
||
increment = PAGE_STEP_SIZE;
|
||
break;
|
||
|
||
case GTK_SCROLL_START:
|
||
new_position = priv->min_position;
|
||
break;
|
||
|
||
case GTK_SCROLL_END:
|
||
new_position = priv->max_position;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
if (increment)
|
||
{
|
||
if (is_rtl (paned))
|
||
increment = -increment;
|
||
|
||
new_position = old_position + increment;
|
||
}
|
||
|
||
new_position = CLAMP (new_position, priv->min_position, priv->max_position);
|
||
|
||
if (old_position != new_position)
|
||
gtk_paned_set_position (paned, new_position);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
gtk_paned_restore_focus (GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
if (priv->saved_focus &&
|
||
gtk_widget_get_sensitive (priv->saved_focus))
|
||
{
|
||
gtk_widget_grab_focus (priv->saved_focus);
|
||
}
|
||
else
|
||
{
|
||
/* the saved focus is somehow not available for focusing,
|
||
* try
|
||
* 1) tabbing into the paned widget
|
||
* if that didn't work,
|
||
* 2) unset focus for the window if there is one
|
||
*/
|
||
|
||
if (!gtk_widget_child_focus (GTK_WIDGET (paned), GTK_DIR_TAB_FORWARD))
|
||
{
|
||
GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (paned));
|
||
|
||
if (GTK_IS_WINDOW (toplevel))
|
||
gtk_window_set_focus (GTK_WINDOW (toplevel), NULL);
|
||
}
|
||
}
|
||
|
||
gtk_paned_set_saved_focus (paned, NULL);
|
||
gtk_paned_set_first_paned (paned, NULL);
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_accept_position (GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
priv->original_position = -1;
|
||
gtk_paned_restore_focus (paned);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
|
||
static gboolean
|
||
gtk_paned_cancel_position (GtkPaned *paned)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
if (priv->original_position != -1)
|
||
{
|
||
gtk_paned_set_position (paned, priv->original_position);
|
||
priv->original_position = -1;
|
||
}
|
||
|
||
gtk_paned_restore_focus (paned);
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_cycle_handle_focus (GtkPaned *paned,
|
||
gboolean reversed)
|
||
{
|
||
GtkPanedPrivate *priv = paned->priv;
|
||
GtkPaned *next, *prev;
|
||
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
GtkPaned *focus = NULL;
|
||
|
||
if (!priv->first_paned)
|
||
{
|
||
/* The first_pane has disappeared. As an ad-hoc solution,
|
||
* we make the currently focused paned the first_paned. To the
|
||
* user this will seem like the paned cycling has been reset.
|
||
*/
|
||
|
||
gtk_paned_set_first_paned (paned, paned);
|
||
}
|
||
|
||
gtk_paned_find_neighbours (paned, &next, &prev);
|
||
|
||
if (reversed && prev &&
|
||
prev != paned && paned != priv->first_paned)
|
||
{
|
||
focus = prev;
|
||
}
|
||
else if (!reversed && next &&
|
||
next != paned && next != priv->first_paned)
|
||
{
|
||
focus = next;
|
||
}
|
||
else
|
||
{
|
||
gtk_paned_accept_position (paned);
|
||
return TRUE;
|
||
}
|
||
|
||
g_assert (focus);
|
||
|
||
gtk_paned_set_saved_focus (focus, priv->saved_focus);
|
||
gtk_paned_set_first_paned (focus, priv->first_paned);
|
||
|
||
gtk_paned_set_saved_focus (paned, NULL);
|
||
gtk_paned_set_first_paned (paned, NULL);
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (focus));
|
||
|
||
if (!gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
{
|
||
priv->original_position = -1;
|
||
focus->priv->original_position = gtk_paned_get_position (focus);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
GtkContainer *container = GTK_CONTAINER (paned);
|
||
GtkPaned *focus;
|
||
GtkPaned *first;
|
||
GtkWidget *toplevel;
|
||
GtkWidget *focus_child;
|
||
|
||
gtk_paned_find_neighbours (paned, &next, &prev);
|
||
focus_child = gtk_container_get_focus_child (container);
|
||
|
||
if (focus_child == priv->child1)
|
||
{
|
||
if (reversed)
|
||
{
|
||
focus = prev;
|
||
first = paned;
|
||
}
|
||
else
|
||
{
|
||
focus = paned;
|
||
first = paned;
|
||
}
|
||
}
|
||
else if (focus_child == priv->child2)
|
||
{
|
||
if (reversed)
|
||
{
|
||
focus = paned;
|
||
first = next;
|
||
}
|
||
else
|
||
{
|
||
focus = next;
|
||
first = next;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Focus is not inside this paned, and we don't have focus.
|
||
* Presumably this happened because the application wants us
|
||
* to start keyboard navigating.
|
||
*/
|
||
focus = paned;
|
||
|
||
if (reversed)
|
||
first = paned;
|
||
else
|
||
first = next;
|
||
}
|
||
|
||
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (paned));
|
||
|
||
if (GTK_IS_WINDOW (toplevel))
|
||
gtk_paned_set_saved_focus (focus, gtk_window_get_focus (GTK_WINDOW (toplevel)));
|
||
gtk_paned_set_first_paned (focus, first);
|
||
focus->priv->original_position = gtk_paned_get_position (focus);
|
||
|
||
gtk_widget_grab_focus (GTK_WIDGET (focus));
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
gtk_paned_toggle_handle_focus (GtkPaned *paned)
|
||
{
|
||
/* This function/signal has the wrong name. It is called when you
|
||
* press Tab or Shift-Tab and what we do is act as if
|
||
* the user pressed Return and then Tab or Shift-Tab
|
||
*/
|
||
if (gtk_widget_is_focus (GTK_WIDGET (paned)))
|
||
gtk_paned_accept_position (paned);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_get_handle_window:
|
||
* @paned: a #GtkPaned
|
||
*
|
||
* Returns the #GdkWindow of the handle. This function is
|
||
* useful when handling button or motion events because it
|
||
* enables the callback to distinguish between the window
|
||
* of the paned, a child and the handle.
|
||
*
|
||
* Returns: (transfer none): the paned’s handle window.
|
||
*
|
||
* Since: 2.20
|
||
**/
|
||
GdkWindow *
|
||
gtk_paned_get_handle_window (GtkPaned *paned)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_PANED (paned), NULL);
|
||
|
||
return paned->priv->handle;
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_set_wide_handle:
|
||
* @paned: a #GtkPaned
|
||
* @wide: the new value for the #GtkPaned:wide-handle property
|
||
*
|
||
* Sets the #GtkPaned:wide-handle property.
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
void
|
||
gtk_paned_set_wide_handle (GtkPaned *paned,
|
||
gboolean wide)
|
||
{
|
||
gboolean old_wide;
|
||
|
||
g_return_if_fail (GTK_IS_PANED (paned));
|
||
|
||
old_wide = gtk_paned_get_wide_handle (paned);
|
||
if (old_wide != wide)
|
||
{
|
||
if (wide)
|
||
gtk_css_gadget_add_class (paned->priv->handle_gadget, GTK_STYLE_CLASS_WIDE);
|
||
else
|
||
gtk_css_gadget_remove_class (paned->priv->handle_gadget, GTK_STYLE_CLASS_WIDE);
|
||
|
||
gtk_widget_queue_resize (GTK_WIDGET (paned));
|
||
g_object_notify (G_OBJECT (paned), "wide-handle");
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gtk_paned_get_wide_handle:
|
||
* @paned: a #GtkPaned
|
||
*
|
||
* Gets the #GtkPaned:wide-handle property.
|
||
*
|
||
* Returns: %TRUE if the paned should have a wide handle
|
||
*
|
||
* Since: 3.16
|
||
*/
|
||
gboolean
|
||
gtk_paned_get_wide_handle (GtkPaned *paned)
|
||
{
|
||
g_return_val_if_fail (GTK_IS_PANED (paned), FALSE);
|
||
|
||
if (gtk_css_node_has_class (gtk_css_gadget_get_node (paned->priv->handle_gadget), g_quark_from_static_string (GTK_STYLE_CLASS_WIDE)))
|
||
return TRUE;
|
||
else
|
||
return FALSE;
|
||
}
|