forked from AuroraMiddleware/gtk
377 lines
18 KiB
C
377 lines
18 KiB
C
/* GTK - The GIMP Toolkit
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* gtktextview.h Copyright (C) 2000 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
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#error "Only <gtk/gtk.h> can be included directly."
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#endif
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#ifndef __GTK_TEXT_VIEW_H__
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#define __GTK_TEXT_VIEW_H__
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#include <gtk/gtkcontainer.h>
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#include <gtk/gtkimcontext.h>
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#include <gtk/gtktextbuffer.h>
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#include <gtk/gtkmenu.h>
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G_BEGIN_DECLS
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#define GTK_TYPE_TEXT_VIEW (gtk_text_view_get_type ())
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#define GTK_TEXT_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_VIEW, GtkTextView))
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#define GTK_TEXT_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
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#define GTK_IS_TEXT_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_VIEW))
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#define GTK_IS_TEXT_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_VIEW))
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#define GTK_TEXT_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
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typedef enum
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{
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GTK_TEXT_WINDOW_PRIVATE,
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GTK_TEXT_WINDOW_WIDGET,
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GTK_TEXT_WINDOW_TEXT,
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GTK_TEXT_WINDOW_LEFT,
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GTK_TEXT_WINDOW_RIGHT,
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GTK_TEXT_WINDOW_TOP,
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GTK_TEXT_WINDOW_BOTTOM
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} GtkTextWindowType;
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#define GTK_TEXT_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)
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typedef struct _GtkTextView GtkTextView;
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typedef struct _GtkTextViewClass GtkTextViewClass;
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/* Internal private types. */
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typedef struct _GtkTextWindow GtkTextWindow;
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typedef struct _GtkTextPendingScroll GtkTextPendingScroll;
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struct _GtkTextView
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{
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GtkContainer parent_instance;
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struct _GtkTextLayout *GSEAL (layout);
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GtkTextBuffer *GSEAL (buffer);
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guint GSEAL (selection_drag_handler);
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guint GSEAL (scroll_timeout);
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/* Default style settings */
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gint GSEAL (pixels_above_lines);
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gint GSEAL (pixels_below_lines);
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gint GSEAL (pixels_inside_wrap);
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GtkWrapMode GSEAL (wrap_mode);
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GtkJustification GSEAL (justify);
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gint GSEAL (left_margin);
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gint GSEAL (right_margin);
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gint GSEAL (indent);
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PangoTabArray *GSEAL (tabs);
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guint GSEAL (editable) : 1;
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guint GSEAL (overwrite_mode) : 1;
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guint GSEAL (cursor_visible) : 1;
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/* if we have reset the IM since the last character entered */
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guint GSEAL (need_im_reset) : 1;
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guint GSEAL (accepts_tab) : 1;
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guint GSEAL (width_changed) : 1;
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/* debug flag - means that we've validated onscreen since the
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* last "invalidate" signal from the layout
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*/
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guint GSEAL (onscreen_validated) : 1;
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guint GSEAL (mouse_cursor_obscured) : 1;
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GtkTextWindow *GSEAL (text_window);
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GtkTextWindow *GSEAL (left_window);
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GtkTextWindow *GSEAL (right_window);
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GtkTextWindow *GSEAL (top_window);
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GtkTextWindow *GSEAL (bottom_window);
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GtkAdjustment *GSEAL (hadjustment);
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GtkAdjustment *GSEAL (vadjustment);
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gint GSEAL (xoffset); /* Offsets between widget coordinates and buffer coordinates */
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gint GSEAL (yoffset);
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gint GSEAL (width); /* Width and height of the buffer */
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gint GSEAL (height);
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/* The virtual cursor position is normally the same as the
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* actual (strong) cursor position, except in two circumstances:
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*
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* a) When the cursor is moved vertically with the keyboard
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* b) When the text view is scrolled with the keyboard
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*
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* In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
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* In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
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*/
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gint GSEAL (virtual_cursor_x); /* -1 means use actual cursor position */
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gint GSEAL (virtual_cursor_y); /* -1 means use actual cursor position */
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GtkTextMark *GSEAL (first_para_mark); /* Mark at the beginning of the first onscreen paragraph */
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gint GSEAL (first_para_pixels); /* Offset of top of screen in the first onscreen paragraph */
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GtkTextMark *GSEAL (dnd_mark);
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guint GSEAL (blink_timeout);
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guint GSEAL (first_validate_idle); /* Idle to revalidate onscreen portion, runs before resize */
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guint GSEAL (incremental_validate_idle); /* Idle to revalidate offscreen portions, runs after redraw */
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GtkIMContext *GSEAL (im_context);
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GtkWidget *GSEAL (popup_menu);
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gint GSEAL (drag_start_x);
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gint GSEAL (drag_start_y);
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GSList *GSEAL (children);
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GtkTextPendingScroll *GSEAL (pending_scroll);
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gint GSEAL (pending_place_cursor_button);
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};
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struct _GtkTextViewClass
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{
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GtkContainerClass parent_class;
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void (* set_scroll_adjustments) (GtkTextView *text_view,
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GtkAdjustment *hadjustment,
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GtkAdjustment *vadjustment);
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void (* populate_popup) (GtkTextView *text_view,
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GtkMenu *menu);
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/* These are all RUN_ACTION signals for keybindings */
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/* move insertion point */
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void (* move_cursor) (GtkTextView *text_view,
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GtkMovementStep step,
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gint count,
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gboolean extend_selection);
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/* FIXME should be deprecated in favor of adding GTK_MOVEMENT_HORIZONTAL_PAGES
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* or something in GTK 2.2, was put in to avoid adding enum values during
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* the freeze.
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*/
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void (* page_horizontally) (GtkTextView *text_view,
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gint count,
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gboolean extend_selection);
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/* move the "anchor" (what Emacs calls the mark) to the cursor position */
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void (* set_anchor) (GtkTextView *text_view);
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/* Edits */
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void (* insert_at_cursor) (GtkTextView *text_view,
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const gchar *str);
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void (* delete_from_cursor) (GtkTextView *text_view,
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GtkDeleteType type,
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gint count);
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void (* backspace) (GtkTextView *text_view);
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/* cut copy paste */
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void (* cut_clipboard) (GtkTextView *text_view);
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void (* copy_clipboard) (GtkTextView *text_view);
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void (* paste_clipboard) (GtkTextView *text_view);
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/* overwrite */
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void (* toggle_overwrite) (GtkTextView *text_view);
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/* as of GTK+ 2.12 the "move-focus" signal has been moved to GtkWidget,
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* so this is merley a virtual function now. Overriding it in subclasses
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* continues to work though.
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*/
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void (* move_focus) (GtkTextView *text_view,
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GtkDirectionType direction);
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/* Padding for future expansion */
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void (*_gtk_reserved1) (void);
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void (*_gtk_reserved2) (void);
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void (*_gtk_reserved3) (void);
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void (*_gtk_reserved4) (void);
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void (*_gtk_reserved5) (void);
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void (*_gtk_reserved6) (void);
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void (*_gtk_reserved7) (void);
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};
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GType gtk_text_view_get_type (void) G_GNUC_CONST;
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GtkWidget * gtk_text_view_new (void);
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GtkWidget * gtk_text_view_new_with_buffer (GtkTextBuffer *buffer);
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void gtk_text_view_set_buffer (GtkTextView *text_view,
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GtkTextBuffer *buffer);
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GtkTextBuffer *gtk_text_view_get_buffer (GtkTextView *text_view);
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gboolean gtk_text_view_scroll_to_iter (GtkTextView *text_view,
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GtkTextIter *iter,
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gdouble within_margin,
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gboolean use_align,
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gdouble xalign,
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gdouble yalign);
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void gtk_text_view_scroll_to_mark (GtkTextView *text_view,
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GtkTextMark *mark,
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gdouble within_margin,
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gboolean use_align,
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gdouble xalign,
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gdouble yalign);
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void gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
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GtkTextMark *mark);
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gboolean gtk_text_view_move_mark_onscreen (GtkTextView *text_view,
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GtkTextMark *mark);
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gboolean gtk_text_view_place_cursor_onscreen (GtkTextView *text_view);
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void gtk_text_view_get_visible_rect (GtkTextView *text_view,
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GdkRectangle *visible_rect);
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void gtk_text_view_set_cursor_visible (GtkTextView *text_view,
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gboolean setting);
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gboolean gtk_text_view_get_cursor_visible (GtkTextView *text_view);
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void gtk_text_view_get_iter_location (GtkTextView *text_view,
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const GtkTextIter *iter,
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GdkRectangle *location);
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void gtk_text_view_get_iter_at_location (GtkTextView *text_view,
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GtkTextIter *iter,
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gint x,
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gint y);
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void gtk_text_view_get_iter_at_position (GtkTextView *text_view,
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GtkTextIter *iter,
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gint *trailing,
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gint x,
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gint y);
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void gtk_text_view_get_line_yrange (GtkTextView *text_view,
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const GtkTextIter *iter,
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gint *y,
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gint *height);
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void gtk_text_view_get_line_at_y (GtkTextView *text_view,
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GtkTextIter *target_iter,
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gint y,
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gint *line_top);
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void gtk_text_view_buffer_to_window_coords (GtkTextView *text_view,
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GtkTextWindowType win,
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gint buffer_x,
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gint buffer_y,
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gint *window_x,
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gint *window_y);
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void gtk_text_view_window_to_buffer_coords (GtkTextView *text_view,
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GtkTextWindowType win,
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gint window_x,
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gint window_y,
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gint *buffer_x,
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gint *buffer_y);
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GtkAdjustment* gtk_text_view_get_hadjustment (GtkTextView *text_view);
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GtkAdjustment* gtk_text_view_get_vadjustment (GtkTextView *text_view);
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GdkWindow* gtk_text_view_get_window (GtkTextView *text_view,
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GtkTextWindowType win);
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GtkTextWindowType gtk_text_view_get_window_type (GtkTextView *text_view,
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GdkWindow *window);
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void gtk_text_view_set_border_window_size (GtkTextView *text_view,
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GtkTextWindowType type,
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gint size);
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gint gtk_text_view_get_border_window_size (GtkTextView *text_view,
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GtkTextWindowType type);
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gboolean gtk_text_view_forward_display_line (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_backward_display_line (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_forward_display_line_end (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_backward_display_line_start (GtkTextView *text_view,
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GtkTextIter *iter);
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gboolean gtk_text_view_starts_display_line (GtkTextView *text_view,
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const GtkTextIter *iter);
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gboolean gtk_text_view_move_visually (GtkTextView *text_view,
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GtkTextIter *iter,
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gint count);
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gboolean gtk_text_view_im_context_filter_keypress (GtkTextView *text_view,
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GdkEventKey *event);
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void gtk_text_view_reset_im_context (GtkTextView *text_view);
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/* Adding child widgets */
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void gtk_text_view_add_child_at_anchor (GtkTextView *text_view,
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GtkWidget *child,
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GtkTextChildAnchor *anchor);
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void gtk_text_view_add_child_in_window (GtkTextView *text_view,
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GtkWidget *child,
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GtkTextWindowType which_window,
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/* window coordinates */
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gint xpos,
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gint ypos);
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void gtk_text_view_move_child (GtkTextView *text_view,
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GtkWidget *child,
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/* window coordinates */
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gint xpos,
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gint ypos);
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/* Default style settings (fallbacks if no tag affects the property) */
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void gtk_text_view_set_wrap_mode (GtkTextView *text_view,
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GtkWrapMode wrap_mode);
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GtkWrapMode gtk_text_view_get_wrap_mode (GtkTextView *text_view);
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void gtk_text_view_set_editable (GtkTextView *text_view,
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gboolean setting);
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gboolean gtk_text_view_get_editable (GtkTextView *text_view);
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void gtk_text_view_set_overwrite (GtkTextView *text_view,
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gboolean overwrite);
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gboolean gtk_text_view_get_overwrite (GtkTextView *text_view);
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void gtk_text_view_set_accepts_tab (GtkTextView *text_view,
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gboolean accepts_tab);
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gboolean gtk_text_view_get_accepts_tab (GtkTextView *text_view);
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void gtk_text_view_set_pixels_above_lines (GtkTextView *text_view,
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gint pixels_above_lines);
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gint gtk_text_view_get_pixels_above_lines (GtkTextView *text_view);
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void gtk_text_view_set_pixels_below_lines (GtkTextView *text_view,
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gint pixels_below_lines);
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gint gtk_text_view_get_pixels_below_lines (GtkTextView *text_view);
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void gtk_text_view_set_pixels_inside_wrap (GtkTextView *text_view,
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gint pixels_inside_wrap);
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gint gtk_text_view_get_pixels_inside_wrap (GtkTextView *text_view);
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void gtk_text_view_set_justification (GtkTextView *text_view,
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GtkJustification justification);
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GtkJustification gtk_text_view_get_justification (GtkTextView *text_view);
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void gtk_text_view_set_left_margin (GtkTextView *text_view,
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gint left_margin);
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gint gtk_text_view_get_left_margin (GtkTextView *text_view);
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void gtk_text_view_set_right_margin (GtkTextView *text_view,
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gint right_margin);
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gint gtk_text_view_get_right_margin (GtkTextView *text_view);
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void gtk_text_view_set_indent (GtkTextView *text_view,
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gint indent);
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gint gtk_text_view_get_indent (GtkTextView *text_view);
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void gtk_text_view_set_tabs (GtkTextView *text_view,
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PangoTabArray *tabs);
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PangoTabArray* gtk_text_view_get_tabs (GtkTextView *text_view);
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/* note that the return value of this changes with the theme */
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GtkTextAttributes* gtk_text_view_get_default_attributes (GtkTextView *text_view);
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G_END_DECLS
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#endif /* __GTK_TEXT_VIEW_H__ */
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