gtktextview.h

gtk2-2.10.6.1的升级包。可直接在linux下使用

/* GTK - The GIMP Toolkit
 * gtktextview.h Copyright (C) 2000 Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

/*
 * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
 * file for a list of people on the GTK+ Team.  See the ChangeLog
 * files for a list of changes.  These files are distributed with
 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
 */

#ifndef __GTK_TEXT_VIEW_H__
#define __GTK_TEXT_VIEW_H__

#include <gtk/gtkcontainer.h>
#include <gtk/gtkimcontext.h>
#include <gtk/gtktextbuffer.h>
#include <gtk/gtkmenu.h>

G_BEGIN_DECLS

#define GTK_TYPE_TEXT_VIEW             (gtk_text_view_get_type ())
#define GTK_TEXT_VIEW(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_TEXT_VIEW, GtkTextView))
#define GTK_TEXT_VIEW_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))
#define GTK_IS_TEXT_VIEW(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_TEXT_VIEW))
#define GTK_IS_TEXT_VIEW_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_TEXT_VIEW))
#define GTK_TEXT_VIEW_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_TEXT_VIEW, GtkTextViewClass))

typedef enum
{
  GTK_TEXT_WINDOW_PRIVATE,
  GTK_TEXT_WINDOW_WIDGET,
  GTK_TEXT_WINDOW_TEXT,
  GTK_TEXT_WINDOW_LEFT,
  GTK_TEXT_WINDOW_RIGHT,
  GTK_TEXT_WINDOW_TOP,
  GTK_TEXT_WINDOW_BOTTOM
} GtkTextWindowType;

#define GTK_TEXT_VIEW_PRIORITY_VALIDATE (GDK_PRIORITY_REDRAW + 5)

typedef struct _GtkTextView GtkTextView;
typedef struct _GtkTextViewClass GtkTextViewClass;

/* Internal private types. */
typedef struct _GtkTextWindow GtkTextWindow;
typedef struct _GtkTextPendingScroll GtkTextPendingScroll;

struct _GtkTextView
{
  GtkContainer parent_instance;

  struct _GtkTextLayout *layout;
  GtkTextBuffer *buffer;

  guint selection_drag_handler;
  guint scroll_timeout;

  /* Default style settings */
  gint pixels_above_lines;
  gint pixels_below_lines;
  gint pixels_inside_wrap;
  GtkWrapMode wrap_mode;  
  GtkJustification justify;
  gint left_margin;
  gint right_margin;
  gint indent;
  PangoTabArray *tabs;
  guint editable : 1;

  
  
  guint overwrite_mode : 1;
  guint cursor_visible : 1;

  /* if we have reset the IM since the last character entered */  
  guint  need_im_reset : 1;	

  guint accepts_tab : 1;
  
  guint width_changed : 1;
  
  /* debug flag - means that we've validated onscreen since the
   * last "invalidate" signal from the layout
   */
  guint onscreen_validated : 1;

  guint mouse_cursor_obscured : 1;

  GtkTextWindow *text_window;
  GtkTextWindow *left_window;
  GtkTextWindow *right_window;
  GtkTextWindow *top_window;
  GtkTextWindow *bottom_window;

  GtkAdjustment *hadjustment;
  GtkAdjustment *vadjustment;

  gint xoffset;                 /* Offsets between widget coordinates and buffer coordinates */
  gint yoffset;
  gint width;                   /* Width and height of the buffer */
  gint height;

  /* The virtual cursor position is normally the same as the
   * actual (strong) cursor position, except in two circumstances:
   *
   * a) When the cursor is moved vertically with the keyboard
   * b) When the text view is scrolled with the keyboard
   *
   * In case a), virtual_cursor_x is preserved, but not virtual_cursor_y
   * In case b), both virtual_cursor_x and virtual_cursor_y are preserved.
   */
  gint virtual_cursor_x;           /* -1 means use actual cursor position */
  gint virtual_cursor_y;           /* -1 means use actual cursor position */

  GtkTextMark *first_para_mark;    /* Mark at the beginning of the first onscreen paragraph */
  gint first_para_pixels;          /* Offset of top of screen in the first onscreen paragraph */

  GtkTextMark *dnd_mark;
  guint blink_timeout;

  guint first_validate_idle;            /* Idle to revalidate onscreen portion, runs before resize */
  guint incremental_validate_idle;      /* Idle to revalidate offscreen portions, runs after redraw */

  GtkIMContext *im_context;
  GtkWidget *popup_menu;

  gint drag_start_x;
  gint drag_start_y;

  GSList *children;

  GtkTextPendingScroll *pending_scroll;

  gint pending_place_cursor_button;
};

struct _GtkTextViewClass
{
  GtkContainerClass parent_class;

  void (* set_scroll_adjustments)   (GtkTextView    *text_view,
                                     GtkAdjustment  *hadjustment,
                                     GtkAdjustment  *vadjustment);

  void (* populate_popup)           (GtkTextView    *text_view,
                                     GtkMenu        *menu);
  
  /* These are all RUN_ACTION signals for keybindings */

  /* move insertion point */
  void (* move_cursor) (GtkTextView    *text_view,
                        GtkMovementStep step,
                        gint            count,
                        gboolean        extend_selection);

  /* FIXME should be deprecated in favor of adding GTK_MOVEMENT_HORIZONTAL_PAGES
   * or something in GTK 2.2, was put in to avoid adding enum values during
   * the freeze.
   */
  void (* page_horizontally) (GtkTextView *text_view,
                              gint         count,
                              gboolean     extend_selection);
  
  /* move the "anchor" (what Emacs calls the mark) to the cursor position */
  void (* set_anchor)  (GtkTextView    *text_view);

  /* Edits */