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 #ifndef __GDK_INTERNALS_H__
30 #define __GDK_INTERNALS_H__
33 #include "gdkwindowimpl.h"
34 #include "gdkdisplay.h"
35 #include "gdkprivate.h"
39 /**********************
40 * General Facilities *
41 **********************/
43 /* Debugging support */
45 typedef struct _GdkColorInfo GdkColorInfo;
46 typedef struct _GdkEventFilter GdkEventFilter;
47 typedef struct _GdkClientFilter GdkClientFilter;
50 GDK_COLOR_WRITEABLE = 1 << 0
55 GdkColorInfoFlags flags;
60 GDK_EVENT_FILTER_REMOVED = 1 << 0
61 } GdkEventFilterFlags;
63 struct _GdkEventFilter {
64 GdkFilterFunc function;
66 GdkEventFilterFlags flags;
70 struct _GdkClientFilter {
72 GdkFilterFunc function;
77 GDK_DEBUG_MISC = 1 << 0,
78 GDK_DEBUG_EVENTS = 1 << 1,
79 GDK_DEBUG_DND = 1 << 2,
80 GDK_DEBUG_XIM = 1 << 3,
81 GDK_DEBUG_NOGRABS = 1 << 4,
82 GDK_DEBUG_COLORMAP = 1 << 5,
83 GDK_DEBUG_INPUT = 1 << 6,
84 GDK_DEBUG_CURSOR = 1 << 7,
85 GDK_DEBUG_MULTIHEAD = 1 << 8,
86 GDK_DEBUG_XINERAMA = 1 << 9,
87 GDK_DEBUG_DRAW = 1 <<10,
88 GDK_DEBUG_EVENTLOOP = 1 <<11
91 extern GList *_gdk_default_filters;
92 extern GdkWindow *_gdk_parent_root;
94 extern guint _gdk_debug_flags;
95 extern gboolean _gdk_native_windows;
99 #define GDK_NOTE(type,action) G_STMT_START { \
100 if (_gdk_debug_flags & GDK_DEBUG_##type) \
101 { action; }; } G_STMT_END
103 #else /* !G_ENABLE_DEBUG */
105 #define GDK_NOTE(type,action)
107 #endif /* G_ENABLE_DEBUG */
120 typedef struct _GdkArgContext GdkArgContext;
121 typedef struct _GdkArgDesc GdkArgDesc;
123 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
125 struct _GdkArgContext
141 typedef struct _GdkEventPrivate GdkEventPrivate;
145 /* Following flag is set for events on the event queue during
146 * translation and cleared afterwards.
148 GDK_EVENT_PENDING = 1 << 0
151 struct _GdkEventPrivate
156 gpointer windowing_data;
158 GdkDevice *source_device;
161 typedef struct _GdkWindowPaint GdkWindowPaint;
165 GObject parent_instance;
167 GdkWindowImpl *impl; /* window-system-specific delegate object */
177 gint extension_events;
182 cairo_pattern_t *background;
186 cairo_region_t *update_area;
187 guint update_freeze_count;
193 GdkWindowState state;
195 guint guffaw_gravity : 1;
196 guint input_only : 1;
197 guint modal_hint : 1;
198 guint composited : 1;
202 guint accept_focus : 1;
203 guint focus_on_map : 1;
205 guint support_multidevice : 1;
207 GdkEventMask event_mask;
209 guint update_and_descendants_freeze_count;
211 /* The GdkWindow that has the impl, ref:ed if another window.
212 * This ref is required to keep the wrapper of the impl window alive
213 * for as long as any GdkWindow references the impl. */
214 GdkWindow *impl_window;
215 int abs_x, abs_y; /* Absolute offset in impl */
218 cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
219 cairo_region_t *clip_region_with_children; /* Clip region in window coords */
221 GHashTable *device_cursor;
222 gint8 toplevel_window_type;
223 guint synthesize_crossing_event_queued : 1;
224 guint effective_visibility : 2;
225 guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
226 guint native_visibility : 2; /* the native visibility of a impl windows */
227 guint viewable : 1; /* mapped and all parents mapped */
228 guint applied_shape : 1;
230 guint num_offscreen_children;
231 GdkWindowPaint *implicit_paint;
233 GList *outstanding_moves;
235 cairo_region_t *shape;
236 cairo_region_t *input_shape;
238 cairo_surface_t *cairo_surface;
240 GList *devices_inside;
241 GHashTable *device_events;
243 GHashTable *source_event_masks;
244 gulong device_added_handler_id;
245 gulong device_changed_handler_id;
248 #define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
249 #define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
251 extern gchar *_gdk_display_name;
252 extern gint _gdk_screen_number;
253 extern gchar *_gdk_display_arg_name;
254 extern gboolean _gdk_disable_multidevice;
256 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
258 void _gdk_event_filter_unref (GdkWindow *window,
259 GdkEventFilter *filter);
261 void _gdk_event_emit (GdkEvent *event);
262 GList* _gdk_event_queue_find_first (GdkDisplay *display);
263 void _gdk_event_queue_remove_link (GdkDisplay *display,
265 GList* _gdk_event_queue_prepend (GdkDisplay *display,
267 GList* _gdk_event_queue_append (GdkDisplay *display,
269 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
270 GdkEvent *after_event,
272 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
273 GdkEvent *after_event,
275 void _gdk_event_button_generate (GdkDisplay *display,
278 void _gdk_windowing_event_data_copy (const GdkEvent *src,
280 void _gdk_windowing_event_data_free (GdkEvent *event);
282 void gdk_synthesize_window_state (GdkWindow *window,
283 GdkWindowState unset_flags,
284 GdkWindowState set_flags);
286 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
287 GdkRectangle *extents);
289 /*************************************
290 * Interfaces used by windowing code *
291 *************************************/
294 _gdk_window_ref_cairo_surface (GdkWindow *window);
296 void _gdk_window_impl_new (GdkWindow *window,
297 GdkWindow *real_parent,
299 GdkEventMask event_mask,
300 GdkWindowAttr *attributes,
301 gint attributes_mask);
302 void _gdk_window_destroy (GdkWindow *window,
303 gboolean foreign_destroy);
304 void _gdk_window_clear_update_area (GdkWindow *window);
305 void _gdk_window_update_size (GdkWindow *window);
306 gboolean _gdk_window_update_viewable (GdkWindow *window);
308 void _gdk_window_process_updates_recurse (GdkWindow *window,
309 cairo_region_t *expose_region);
311 void _gdk_screen_close (GdkScreen *screen);
313 /*****************************************
314 * Interfaces provided by windowing code *
315 *****************************************/
317 /* Font/string functions implemented in module-specific code */
319 void _gdk_cursor_destroy (GdkCursor *cursor);
321 extern const GOptionEntry _gdk_windowing_args[];
322 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
325 void _gdk_windowing_got_event (GdkDisplay *display,
330 #define GDK_WINDOW_IS_MAPPED(window) (((window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
332 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
333 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
334 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
335 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
337 typedef struct _GdkPaintable GdkPaintable;
338 typedef struct _GdkPaintableIface GdkPaintableIface;
340 struct _GdkPaintableIface
342 GTypeInterface g_iface;
344 void (* begin_paint_region) (GdkPaintable *paintable,
346 const cairo_region_t *region);
347 void (* end_paint) (GdkPaintable *paintable);
350 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
352 void _gdk_window_invalidate_for_expose (GdkWindow *window,
353 cairo_region_t *region);
355 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
357 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
362 void _gdk_window_add_damage (GdkWindow *toplevel,
363 cairo_region_t *damaged_region);
365 GdkEvent * _gdk_make_event (GdkWindow *window,
367 GdkEvent *event_in_queue,
368 gboolean before_event);
369 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
372 void _gdk_synthesize_crossing_events (GdkDisplay *display,
376 GdkDevice *source_device,
377 GdkCrossingMode mode,
380 GdkModifierType mask,
382 GdkEvent *event_in_queue,
384 gboolean non_linear);
385 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
390 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
392 cairo_region_t *_gdk_window_calculate_full_clip_region (GdkWindow *window,
393 GdkWindow *base_window,
394 gboolean do_children,
396 gint *base_y_offset);
397 gboolean _gdk_window_has_impl (GdkWindow *window);
398 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
400 /*****************************
401 * offscreen window routines *
402 *****************************/
403 GType gdk_offscreen_window_get_type (void);
404 void _gdk_offscreen_window_new (GdkWindow *window,
405 GdkWindowAttr *attributes,
406 gint attributes_mask);
407 cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
414 #endif /* __GDK_INTERNALS_H__ */