Pileus Git - ~andy/gtk/blob - gtk/gtkwidgetprivate.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*
  19  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  20  * file for a list of people on the GTK+ Team.  See the ChangeLog
  21  * files for a list of changes.  These files are distributed with
  22  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  23  */
  24
  25 #ifndef __GTK_WIDGET_PRIVATE_H__
  26 #define __GTK_WIDGET_PRIVATE_H__
  27
  28 #include "gtkcsstypesprivate.h"
  29 #include "gtkwidget.h"
  30 #include "gactionmuxer.h"
  31
  32 G_BEGIN_DECLS
  33
  34 /* Cache as many ranges of height-for-width
  35  * (or width-for-height) as can be rational
  36  * for a said widget to have, if a label can
  37  * only wrap to 3 lines, only 3 caches will
  38  * ever be allocated for it.
  39  */
  40 #define GTK_SIZE_REQUEST_CACHED_SIZES   (5)
  41
  42 typedef struct {
  43   gint minimum_size;
  44   gint natural_size;
  45 } CachedSize;
  46
  47 typedef struct
  48 {
  49   gint       lower_for_size; /* The minimum for_size with the same result */
  50   gint       upper_for_size; /* The maximum for_size with the same result */
  51   CachedSize cached_size;
  52 } SizeRequest;
  53
  54 typedef struct {
  55   SizeRequest **widths;
  56   SizeRequest **heights;
  57
  58   CachedSize  cached_width;
  59   CachedSize  cached_height;
  60
  61   guint       cached_widths      : 3;
  62   guint       cached_heights     : 3;
  63   guint       last_cached_width  : 3;
  64   guint       last_cached_height : 3;
  65   guint       cached_base_width  : 1;
  66   guint       cached_base_height : 1;
  67 } SizeRequestCache;
  68
  69 void         _gtk_widget_set_visible_flag   (GtkWidget *widget,
  70                                              gboolean   visible);
  71 gboolean     _gtk_widget_get_in_reparent    (GtkWidget *widget);
  72 void         _gtk_widget_set_in_reparent    (GtkWidget *widget,
  73                                              gboolean   in_reparent);
  74 gboolean     _gtk_widget_get_anchored       (GtkWidget *widget);
  75 void         _gtk_widget_set_anchored       (GtkWidget *widget,
  76                                              gboolean   anchored);
  77 gboolean     _gtk_widget_get_shadowed       (GtkWidget *widget);
  78 void         _gtk_widget_set_shadowed       (GtkWidget *widget,
  79                                              gboolean   shadowed);
  80 gboolean     _gtk_widget_get_alloc_needed   (GtkWidget *widget);
  81 void         _gtk_widget_set_alloc_needed   (GtkWidget *widget,
  82                                              gboolean   alloc_needed);
  83 gboolean     _gtk_widget_get_width_request_needed  (GtkWidget *widget);
  84 void         _gtk_widget_set_width_request_needed  (GtkWidget *widget,
  85                                                     gboolean   width_request_needed);
  86 gboolean     _gtk_widget_get_height_request_needed (GtkWidget *widget);
  87 void         _gtk_widget_set_height_request_needed (GtkWidget *widget,
  88                                                     gboolean   height_request_needed);
  89
  90 gboolean     _gtk_widget_get_sizegroup_visited (GtkWidget    *widget);
  91 void         _gtk_widget_set_sizegroup_visited (GtkWidget    *widget,
  92                                                 gboolean      visited);
  93 void         _gtk_widget_add_sizegroup         (GtkWidget    *widget,
  94                                                 gpointer      group);
  95 void         _gtk_widget_remove_sizegroup      (GtkWidget    *widget,
  96                                                 gpointer      group);
  97 GSList      *_gtk_widget_get_sizegroups        (GtkWidget    *widget);
  98
  99 void         _gtk_widget_add_attached_window    (GtkWidget    *widget,
 100                                                  GtkWindow    *window);
 101 void         _gtk_widget_remove_attached_window (GtkWidget    *widget,
 102                                                  GtkWindow    *window);
 103
 104 void _gtk_widget_override_size_request (GtkWidget *widget,
 105                                         int        width,
 106                                         int        height,
 107                                         int       *old_width,
 108                                         int       *old_height);
 109 void _gtk_widget_restore_size_request  (GtkWidget *widget,
 110                                         int        old_width,
 111                                         int        old_height);
 112 void _gtk_widget_compute_size_for_orientation  (GtkWidget         *widget,
 113                                                 GtkSizeGroupMode   orientation,
 114                                                 gboolean           ignore_size_groups,
 115                                                 gint               for_size,
 116                                                 gint              *minimum_size,
 117                                                 gint              *natural_size);
 118
 119 gboolean _gtk_widget_get_translation_to_window (GtkWidget      *widget,
 120                                                 GdkWindow      *window,
 121                                                 int            *x,
 122                                                 int            *y);
 123 void     _gtk_widget_free_cached_sizes (GtkWidget *widget);
 124
 125 const gchar*      _gtk_widget_get_accel_path               (GtkWidget *widget,
 126                                                             gboolean  *locked);
 127
 128 AtkObject *       _gtk_widget_peek_accessible              (GtkWidget *widget);
 129
 130 GdkEventExpose *  _gtk_cairo_get_event                     (cairo_t *cr);
 131
 132 void              _gtk_widget_draw_internal                (GtkWidget *widget,
 133                                                             cairo_t   *cr,
 134                                                             gboolean   clip_to_size);
 135 void              _gtk_widget_set_has_default              (GtkWidget *widget,
 136                                                             gboolean   has_default);
 137 void              _gtk_widget_set_has_grab                 (GtkWidget *widget,
 138                                                             gboolean   has_grab);
 139 void              _gtk_widget_set_is_toplevel              (GtkWidget *widget,
 140                                                             gboolean   is_toplevel);
 141
 142 void              _gtk_widget_grab_notify                  (GtkWidget *widget,
 143                                                             gboolean   was_grabbed);
 144
 145 void              _gtk_widget_propagate_hierarchy_changed  (GtkWidget *widget,
 146                                                             GtkWidget *previous_toplevel);
 147 void              _gtk_widget_propagate_screen_changed     (GtkWidget *widget,
 148                                                             GdkScreen *previous_screen);
 149 void              _gtk_widget_propagate_composited_changed (GtkWidget *widget);
 150
 151 void              _gtk_widget_set_device_window            (GtkWidget *widget,
 152                                                             GdkDevice *device,
 153                                                             GdkWindow *pointer_window);
 154 GdkWindow *       _gtk_widget_get_device_window            (GtkWidget *widget,
 155                                                             GdkDevice *device);
 156 GList *           _gtk_widget_list_devices                 (GtkWidget *widget);
 157
 158 void              _gtk_widget_synthesize_crossing          (GtkWidget       *from,
 159                                                             GtkWidget       *to,
 160                                                             GdkDevice       *device,
 161                                                             GdkCrossingMode  mode);
 162
 163 gpointer          _gtk_widget_peek_request_cache           (GtkWidget *widget);
 164
 165 void              _gtk_widget_buildable_finish_accelerator (GtkWidget *widget,
 166                                                             GtkWidget *toplevel,
 167                                                             gpointer   user_data);
 168 GtkStyle *        _gtk_widget_get_style                    (GtkWidget *widget);
 169 void              _gtk_widget_set_style                    (GtkWidget *widget,
 170                                                             GtkStyle  *style);
 171
 172 typedef gboolean (*GtkCapturedEventHandler) (GtkWidget *widget, GdkEvent *event);
 173
 174 void              _gtk_widget_set_captured_event_handler (GtkWidget               *widget,
 175                                                           GtkCapturedEventHandler  handler);
 176
 177 gboolean          _gtk_widget_captured_event               (GtkWidget *widget,
 178                                                             GdkEvent  *event);
 179
 180 GtkWidgetPath *   _gtk_widget_create_path                  (GtkWidget    *widget);
 181 void              _gtk_widget_invalidate_style_context     (GtkWidget    *widget,
 182                                                             GtkCssChange  change);
 183 void              _gtk_widget_style_context_invalidated    (GtkWidget    *widget);
 184
 185 void              _gtk_widget_update_parent_muxer          (GtkWidget    *widget);
 186 GActionMuxer *    _gtk_widget_get_action_muxer             (GtkWidget    *widget);
 187
 188 G_END_DECLS
 189
 190 #endif /* __GTK_WIDGET_PRIVATE_H__ */