1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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.
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.
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.
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/.
27 /* Uninstalled header defining types and functions internal to GDK */
29 #include <gdk/gdktypes.h>
30 #include <gdk/gdkprivate.h>
32 #ifndef __GDK_INTERNALS_H__
33 #define __GDK_INTERNALS_H__
35 /**********************
36 * General Facilities *
37 **********************/
39 /* Debugging support */
41 typedef struct _GdkColorInfo GdkColorInfo;
42 typedef struct _GdkEventFilter GdkEventFilter;
43 typedef struct _GdkClientFilter GdkClientFilter;
46 GDK_COLOR_WRITEABLE = 1 << 0
51 GdkColorInfoFlags flags;
55 struct _GdkEventFilter {
56 GdkFilterFunc function;
60 struct _GdkClientFilter {
62 GdkFilterFunc function;
67 GDK_DEBUG_MISC = 1 << 0,
68 GDK_DEBUG_EVENTS = 1 << 1,
69 GDK_DEBUG_DND = 1 << 2,
70 GDK_DEBUG_XIM = 1 << 3
73 #ifndef GDK_DISABLE_DEPRECATED
75 typedef struct _GdkFontPrivate GdkFontPrivate;
77 struct _GdkFontPrivate
83 #endif /* GDK_DISABLE_DEPRECATED */
85 extern GList *_gdk_default_filters;
86 extern GdkWindow *_gdk_parent_root;
87 extern gint _gdk_error_code;
88 extern gint _gdk_error_warnings;
90 extern guint _gdk_debug_flags;
94 #define GDK_NOTE(type,action) G_STMT_START { \
95 if (_gdk_debug_flags & GDK_DEBUG_##type) \
96 { action; }; } G_STMT_END
98 #else /* !G_ENABLE_DEBUG */
100 #define GDK_NOTE(type,action)
102 #endif /* G_ENABLE_DEBUG */
115 typedef struct _GdkArgContext GdkArgContext;
116 typedef struct _GdkArgDesc GdkArgDesc;
118 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
120 struct _GdkArgContext
136 extern GdkEventFunc _gdk_event_func; /* Callback for events */
137 extern gpointer _gdk_event_data;
138 extern GDestroyNotify _gdk_event_notify;
140 /* FIFO's for event queue, and for events put back using
143 extern GList *_gdk_queued_events;
144 extern GList *_gdk_queued_tail;
146 extern GdkDevice *_gdk_core_pointer;
148 GdkEvent* _gdk_event_new (void);
150 void _gdk_events_init (void);
151 void _gdk_events_queue (void);
152 GdkEvent* _gdk_event_unqueue (void);
154 GList* _gdk_event_queue_find_first (void);
155 void _gdk_event_queue_remove_link (GList *node);
156 void _gdk_event_queue_append (GdkEvent *event);
158 void _gdk_event_button_generate (GdkEvent *event);
160 /*************************************
161 * Interfaces used by windowing code *
162 *************************************/
164 void _gdk_window_destroy (GdkWindow *window,
165 gboolean foreign_destroy);
166 void _gdk_window_clear_update_area (GdkWindow *window);
169 /*****************************************
170 * Interfaces provided by windowing code *
171 *****************************************/
173 /* Font/string functions implemented in module-specific code */
174 gint _gdk_font_strlen (GdkFont *font, const char *str);
175 void _gdk_font_destroy (GdkFont *font);
177 void _gdk_colormap_real_destroy (GdkColormap *colormap);
179 void _gdk_cursor_destroy (GdkCursor *cursor);
181 extern GdkArgDesc _gdk_windowing_args[];
182 gboolean _gdk_windowing_init_check (int argc,
184 void _gdk_windowing_window_get_offsets (GdkWindow *window,
187 void _gdk_windowing_window_clear_area (GdkWindow *window,
192 void _gdk_windowing_window_clear_area_e (GdkWindow *window,
198 GdkWindow* _gdk_windowing_window_at_pointer (gint *win_x,
200 GdkWindow* _gdk_windowing_window_get_pointer (GdkWindow *window,
203 GdkModifierType *mask);
205 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
207 /* Called before processing updates for a window. This gives the windowing
208 * layer a chance to save the region for later use in avoiding duplicate
209 * exposes. The return value indicates whether the function has a saved
210 * the region; if the result is TRUE, then the windowing layer is responsible
211 * for destroying the region later.
213 gboolean _gdk_windowing_window_queue_antiexpose (GdkWindow *window,
216 /* Called to do the windowing system specific part of gdk_window_destroy(),
218 * window: The window being destroyed
219 * recursing: If TRUE, then this is being called because a parent
220 * was destroyed. This generally means that the call to the windowing system
221 * to destroy the window can be omitted, since it will be destroyed as a result
222 * of the parent being destroyed. Unless @foreign_destroy
224 * foreign_destroy: If TRUE, the window or a parent was destroyed by some external
225 * agency. The window has already been destroyed and no windowing
226 * system calls should be made. (This may never happen for some
227 * windowing systems.)
229 void _gdk_windowing_window_destroy (GdkWindow *window,
231 gboolean foreign_destroy);
233 /* Implementation types */
234 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
235 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
237 /************************************
238 * Initialization and exit routines *
239 ************************************/
241 void _gdk_windowing_window_init (void);
242 void _gdk_visual_init (void);
243 void _gdk_dnd_init (void);
245 void _gdk_windowing_image_init (void);
246 void _gdk_image_exit (void);
248 void _gdk_input_init (void);
249 void _gdk_input_exit (void);
251 void _gdk_windowing_exit (void);
255 #endif /* __cplusplus */
257 #endif /* __GDK_INTERNALS_H__ */