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