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, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __GTK_WIDGET_PRIVATE_H__
  28 #define __GTK_WIDGET_PRIVATE_H__
  29
  30 G_BEGIN_DECLS
  31
  32 /* Cache as many ranges of height-for-width
  33  * (or width-for-height) as can be rational
  34  * for a said widget to have, if a label can
  35  * only wrap to 3 lines, only 3 caches will
  36  * ever be allocated for it.
  37  */
  38 #define GTK_SIZE_REQUEST_CACHED_SIZES   (5)
  39
  40 typedef struct {
  41   gint minimum_size;
  42   gint natural_size;
  43 } CachedSize;
  44
  45 typedef struct
  46 {
  47   gint       lower_for_size; /* The minimum for_size with the same result */
  48   gint       upper_for_size; /* The maximum for_size with the same result */
  49   CachedSize cached_size;
  50 } SizeRequest;
  51
  52 typedef struct {
  53   SizeRequest **widths;
  54   SizeRequest **heights;
  55
  56   CachedSize  cached_width;
  57   CachedSize  cached_height;
  58
  59   guint       cached_widths      : 3;
  60   guint       cached_heights     : 3;
  61   guint       last_cached_width  : 3;
  62   guint       last_cached_height : 3;
  63   guint       cached_base_width  : 1;
  64   guint       cached_base_height : 1;
  65 } SizeRequestCache;
  66
  67 void         _gtk_widget_set_visible_flag   (GtkWidget *widget,
  68                                              gboolean   visible);
  69 gboolean     _gtk_widget_get_resize_pending (GtkWidget *widget);
  70 void         _gtk_widget_set_resize_pending (GtkWidget *widget,
  71                                              gboolean   resize_pending);
  72 gboolean     _gtk_widget_get_in_reparent    (GtkWidget *widget);
  73 void         _gtk_widget_set_in_reparent    (GtkWidget *widget,
  74                                              gboolean   in_reparent);
  75 gboolean     _gtk_widget_get_anchored       (GtkWidget *widget);
  76 void         _gtk_widget_set_anchored       (GtkWidget *widget,
  77                                              gboolean   anchored);
  78 gboolean     _gtk_widget_get_shadowed       (GtkWidget *widget);
  79 void         _gtk_widget_set_shadowed       (GtkWidget *widget,
  80                                              gboolean   shadowed);
  81 gboolean     _gtk_widget_get_alloc_needed   (GtkWidget *widget);
  82 void         _gtk_widget_set_alloc_needed   (GtkWidget *widget,
  83                                              gboolean   alloc_needed);
  84 gboolean     _gtk_widget_get_width_request_needed  (GtkWidget *widget);
  85 void         _gtk_widget_set_width_request_needed  (GtkWidget *widget,
  86                                                     gboolean   width_request_needed);
  87 gboolean     _gtk_widget_get_height_request_needed (GtkWidget *widget);
  88 void         _gtk_widget_set_height_request_needed (GtkWidget *widget,
  89                                                     gboolean   height_request_needed);
  90
  91 gboolean     _gtk_widget_get_sizegroup_visited (GtkWidget    *widget);
  92 void         _gtk_widget_set_sizegroup_visited (GtkWidget    *widget,
  93                                                 gboolean      visited);
  94 gboolean     _gtk_widget_get_sizegroup_bumping (GtkWidget    *widget);
  95 void         _gtk_widget_set_sizegroup_bumping (GtkWidget    *widget,
  96                                                 gboolean      bumping);
  97 void         _gtk_widget_add_sizegroup         (GtkWidget    *widget,
  98                                                 gpointer      group);
  99 void         _gtk_widget_remove_sizegroup      (GtkWidget    *widget,
 100                                                 gpointer      group);
 101 GSList      *_gtk_widget_get_sizegroups        (GtkWidget    *widget);
 102
 103 void         _gtk_widget_add_attached_window    (GtkWidget    *widget,
 104                                                  GtkWindow    *window);
 105 void         _gtk_widget_remove_attached_window (GtkWidget    *widget,
 106                                                  GtkWindow    *window);
 107
 108 void _gtk_widget_override_size_request (GtkWidget *widget,
 109                                         int        width,
 110                                         int        height,
 111                                         int       *old_width,
 112                                         int       *old_height);
 113 void _gtk_widget_restore_size_request  (GtkWidget *widget,
 114                                         int        old_width,
 115                                         int        old_height);
 116
 117 gboolean _gtk_widget_get_translation_to_window (GtkWidget      *widget,
 118                                                 GdkWindow      *window,
 119                                                 int            *x,
 120                                                 int            *y);
 121 void     _gtk_widget_free_cached_sizes (GtkWidget *widget);
 122
 123 const gchar*      _gtk_widget_get_accel_path               (GtkWidget *widget,
 124                                                             gboolean  *locked);
 125
 126 AtkObject *       _gtk_widget_peek_accessible              (GtkWidget *widget);
 127
 128 GdkEventExpose *  _gtk_cairo_get_event                     (cairo_t *cr);
 129
 130 void              _gtk_widget_draw_internal                (GtkWidget *widget,
 131                                                             cairo_t   *cr,
 132                                                             gboolean   clip_to_size);
 133 void              _gtk_widget_set_has_default              (GtkWidget *widget,
 134                                                             gboolean   has_default);
 135 void              _gtk_widget_set_has_grab                 (GtkWidget *widget,
 136                                                             gboolean   has_grab);
 137 void              _gtk_widget_set_is_toplevel              (GtkWidget *widget,
 138                                                             gboolean   is_toplevel);
 139
 140 void              _gtk_widget_grab_notify                  (GtkWidget *widget,
 141                                                             gboolean   was_grabbed);
 142
 143 void              _gtk_widget_propagate_hierarchy_changed  (GtkWidget *widget,
 144                                                             GtkWidget *previous_toplevel);
 145 void              _gtk_widget_propagate_screen_changed     (GtkWidget *widget,
 146                                                             GdkScreen *previous_screen);
 147 void              _gtk_widget_propagate_composited_changed (GtkWidget *widget);
 148
 149 void              _gtk_widget_set_device_window            (GtkWidget *widget,
 150                                                             GdkDevice *device,
 151                                                             GdkWindow *pointer_window);
 152 GdkWindow *       _gtk_widget_get_device_window            (GtkWidget *widget,
 153                                                             GdkDevice *device);
 154 GList *           _gtk_widget_list_devices                 (GtkWidget *widget);
 155
 156 void              _gtk_widget_synthesize_crossing          (GtkWidget       *from,
 157                                                             GtkWidget       *to,
 158                                                             GdkDevice       *device,
 159                                                             GdkCrossingMode  mode);
 160
 161 gpointer          _gtk_widget_peek_request_cache           (GtkWidget *widget);
 162
 163 void              _gtk_widget_buildable_finish_accelerator (GtkWidget *widget,
 164                                                             GtkWidget *toplevel,
 165                                                             gpointer   user_data);
 166 GtkStyle *        _gtk_widget_get_style                    (GtkWidget *widget);
 167 void              _gtk_widget_set_style                    (GtkWidget *widget,
 168                                                             GtkStyle  *style);
 169
 170
 171 G_END_DECLS
 172
 173 #endif /* __GTK_WIDGET_PRIVATE_H__ */