Pileus Git - ~andy/gtk/blob - gdk/gdkwindowimpl.h

   1 /* GDK - The GIMP Drawing Kit
   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 __GDK_WINDOW_IMPL_H__
  28 #define __GDK_WINDOW_IMPL_H__
  29
  30 #include <gdk/gdkwindow.h>
  31
  32 G_BEGIN_DECLS
  33
  34 #define GDK_TYPE_WINDOW_IMPL           (gdk_window_impl_get_type ())
  35 #define GDK_WINDOW_IMPL(obj)           (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_WINDOW_IMPL, GdkWindowImpl))
  36 #define GDK_IS_WINDOW_IMPL(obj)        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_WINDOW_IMPL))
  37 #define GDK_WINDOW_IMPL_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_WINDOW_IMPL, GdkWindowImplIface))
  38
  39 typedef struct _GdkWindowImpl       GdkWindowImpl;      /* dummy */
  40 typedef struct _GdkWindowImplIface  GdkWindowImplIface;
  41
  42 struct _GdkWindowImplIface
  43 {
  44   GTypeInterface g_iface;
  45
  46   void         (* show)                 (GdkWindow       *window,
  47                                          gboolean         already_mapped);
  48   void         (* hide)                 (GdkWindow       *window);
  49   void         (* withdraw)             (GdkWindow       *window);
  50   void         (* raise)                (GdkWindow       *window);
  51   void         (* lower)                (GdkWindow       *window);
  52   void         (* restack_under)        (GdkWindow       *window,
  53                                          GList           *native_siblings);
  54   void         (* restack_toplevel)     (GdkWindow       *window,
  55                                          GdkWindow       *sibling,
  56                                          gboolean        above);
  57
  58   void         (* move_resize)          (GdkWindow       *window,
  59                                          gboolean         with_move,
  60                                          gint             x,
  61                                          gint             y,
  62                                          gint             width,
  63                                          gint             height);
  64   void         (* set_background)       (GdkWindow       *window,
  65                                          const GdkColor  *color);
  66   void         (* set_back_pixmap)      (GdkWindow       *window,
  67                                          GdkPixmap       *pixmap);
  68
  69   GdkEventMask (* get_events)           (GdkWindow       *window);
  70   void         (* set_events)           (GdkWindow       *window,
  71                                          GdkEventMask     event_mask);
  72
  73   gboolean     (* reparent)             (GdkWindow       *window,
  74                                          GdkWindow       *new_parent,
  75                                          gint             x,
  76                                          gint             y);
  77
  78   void         (* set_device_cursor)    (GdkWindow       *window,
  79                                          GdkDevice       *device,
  80                                          GdkCursor       *cursor);
  81
  82   void         (* get_geometry)         (GdkWindow       *window,
  83                                          gint            *x,
  84                                          gint            *y,
  85                                          gint            *width,
  86                                          gint            *height,
  87                                          gint            *depth);
  88   gint         (* get_root_coords)      (GdkWindow       *window,
  89                                          gint             x,
  90                                          gint             y,
  91                                          gint            *root_x,
  92                                          gint            *root_y);
  93   gboolean     (* get_device_state)     (GdkWindow       *window,
  94                                          GdkDevice       *device,
  95                                          gint            *x,
  96                                          gint            *y,
  97                                          GdkModifierType *mask);
  98
  99   void         (* shape_combine_region) (GdkWindow       *window,
 100                                          const cairo_region_t *shape_region,
 101                                          gint             offset_x,
 102                                          gint             offset_y);
 103   void         (* input_shape_combine_region) (GdkWindow       *window,
 104                                                const cairo_region_t *shape_region,
 105                                                gint             offset_x,
 106                                                gint             offset_y);
 107
 108   gboolean     (* set_static_gravities) (GdkWindow       *window,
 109                                          gboolean         use_static);
 110
 111   /* Called before processing updates for a window. This gives the windowing
 112    * layer a chance to save the region for later use in avoiding duplicate
 113    * exposes. The return value indicates whether the function has a saved
 114    * the region; if the result is TRUE, then the windowing layer is responsible
 115    * for destroying the region later.
 116    */
 117   gboolean     (* queue_antiexpose)     (GdkWindow       *window,
 118                                          cairo_region_t  *update_area);
 119
 120   /* Called to move @area inside @window by @dx x @dy pixels. @area is
 121    * guaranteed to be inside @window. If part of @area is not invisible or
 122    * invalid, it is this function's job to queue expose events in those
 123    * areas.
 124    */
 125   void         (* translate)            (GdkWindow       *window,
 126                                          cairo_region_t  *area,
 127                                          gint            dx,
 128                                          gint            dy);
 129
 130 /* Called to do the windowing system specific part of gdk_window_destroy(),
 131  *
 132  * window: The window being destroyed
 133  * recursing: If TRUE, then this is being called because a parent
 134  *            was destroyed. This generally means that the call to the windowing system
 135  *            to destroy the window can be omitted, since it will be destroyed as a result
 136  *            of the parent being destroyed. Unless @foreign_destroy
 137  *
 138  * foreign_destroy: If TRUE, the window or a parent was destroyed by some external
 139  *            agency. The window has already been destroyed and no windowing
 140  *            system calls should be made. (This may never happen for some
 141  *            windowing systems.)
 142  */
 143   void         (* destroy)              (GdkWindow       *window,
 144                                          gboolean         recursing,
 145                                          gboolean         foreign_destroy);
 146   gboolean     supports_native_bg;
 147 };
 148
 149 /* Interface Functions */
 150 GType gdk_window_impl_get_type (void) G_GNUC_CONST;
 151
 152 /* private definitions from gdkwindow.h */
 153
 154 struct _GdkWindowRedirect
 155 {
 156   GdkWindowObject *redirected;
 157   GdkDrawable *pixmap;
 158
 159   gint src_x;
 160   gint src_y;
 161   gint dest_x;
 162   gint dest_y;
 163   gint width;
 164   gint height;
 165
 166   cairo_region_t *damage;
 167   guint damage_idle;
 168 };
 169
 170 G_END_DECLS
 171
 172 #endif /* __GDK_WINDOW_IMPL_H__ */