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, see <http://www.gnu.org/licenses/>.
19 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
20 * file for a list of people on the GTK+ Team. See the ChangeLog
21 * files for a list of changes. These files are distributed with
22 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
25 /* Uninstalled header defining types and functions internal to GDK */
27 #ifndef __GDK_INTERNALS_H__
28 #define __GDK_INTERNALS_H__
31 #include "gdkwindowimpl.h"
32 #include "gdkdisplay.h"
33 #include "gdkprivate.h"
37 /**********************
38 * General Facilities *
39 **********************/
41 /* Debugging support */
43 typedef struct _GdkColorInfo GdkColorInfo;
44 typedef struct _GdkEventFilter GdkEventFilter;
45 typedef struct _GdkClientFilter GdkClientFilter;
48 GDK_COLOR_WRITEABLE = 1 << 0
53 GdkColorInfoFlags flags;
58 GDK_EVENT_FILTER_REMOVED = 1 << 0
59 } GdkEventFilterFlags;
61 struct _GdkEventFilter {
62 GdkFilterFunc function;
64 GdkEventFilterFlags flags;
68 struct _GdkClientFilter {
70 GdkFilterFunc function;
75 GDK_DEBUG_MISC = 1 << 0,
76 GDK_DEBUG_EVENTS = 1 << 1,
77 GDK_DEBUG_DND = 1 << 2,
78 GDK_DEBUG_XIM = 1 << 3,
79 GDK_DEBUG_NOGRABS = 1 << 4,
80 GDK_DEBUG_INPUT = 1 << 5,
81 GDK_DEBUG_CURSOR = 1 << 6,
82 GDK_DEBUG_MULTIHEAD = 1 << 7,
83 GDK_DEBUG_XINERAMA = 1 << 8,
84 GDK_DEBUG_DRAW = 1 << 9,
85 GDK_DEBUG_EVENTLOOP = 1 << 10
89 GDK_RENDERING_MODE_SIMILAR = 0,
90 GDK_RENDERING_MODE_IMAGE,
91 GDK_RENDERING_MODE_RECORDING
94 extern GList *_gdk_default_filters;
95 extern GdkWindow *_gdk_parent_root;
97 extern guint _gdk_debug_flags;
98 extern GdkRenderingMode _gdk_rendering_mode;
100 #ifdef G_ENABLE_DEBUG
102 #define GDK_NOTE(type,action) G_STMT_START { \
103 if (_gdk_debug_flags & GDK_DEBUG_##type) \
104 { action; }; } G_STMT_END
106 #else /* !G_ENABLE_DEBUG */
108 #define GDK_NOTE(type,action)
110 #endif /* G_ENABLE_DEBUG */
123 typedef struct _GdkArgContext GdkArgContext;
124 typedef struct _GdkArgDesc GdkArgDesc;
126 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
128 struct _GdkArgContext
144 typedef struct _GdkEventPrivate GdkEventPrivate;
148 /* Following flag is set for events on the event queue during
149 * translation and cleared afterwards.
151 GDK_EVENT_PENDING = 1 << 0,
153 /* The following flag is set for:
154 * 1) touch events emulating pointer events
155 * 2) pointer events being emulated by a touch sequence.
157 GDK_EVENT_POINTER_EMULATED = 1 << 1
160 struct _GdkEventPrivate
165 gpointer windowing_data;
167 GdkDevice *source_device;
170 typedef struct _GdkWindowPaint GdkWindowPaint;
174 GObject parent_instance;
176 GdkWindowImpl *impl; /* window-system-specific delegate object */
186 GdkEventMask event_mask;
191 cairo_pattern_t *background;
195 cairo_region_t *update_area;
196 guint update_freeze_count;
202 gint8 toplevel_window_type;
204 GdkWindowState state;
206 guint guffaw_gravity : 1;
207 guint input_only : 1;
208 guint modal_hint : 1;
209 guint composited : 1;
210 guint has_alpha_background : 1;
214 guint accept_focus : 1;
215 guint focus_on_map : 1;
217 guint support_multidevice : 1;
218 guint synthesize_crossing_event_queued : 1;
219 guint effective_visibility : 2;
220 guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
221 guint native_visibility : 2; /* the native visibility of a impl windows */
222 guint viewable : 1; /* mapped and all parents mapped */
223 guint applied_shape : 1;
224 GdkFullscreenMode fullscreen_mode;
226 /* The GdkWindow that has the impl, ref:ed if another window.
227 * This ref is required to keep the wrapper of the impl window alive
228 * for as long as any GdkWindow references the impl. */
229 GdkWindow *impl_window;
231 guint update_and_descendants_freeze_count;
233 gint abs_x, abs_y; /* Absolute offset in impl */
236 /* The clip region is the part of the window, in window coordinates
237 that is fully or partially (i.e. semi transparently) visible in
238 the window hierarchy from the toplevel and down */
239 cairo_region_t *clip_region;
240 /* This is the clip region, with additionally all the opaque
241 child windows removed */
242 cairo_region_t *clip_region_with_children;
243 /* The layered region is the subset of clip_region that
244 is covered by non-opaque sibling or ancestor sibling window. */
245 cairo_region_t *layered_region;
248 GHashTable *device_cursor;
250 GdkWindowPaint *implicit_paint;
252 GList *outstanding_moves;
254 cairo_region_t *shape;
255 cairo_region_t *input_shape;
257 cairo_surface_t *cairo_surface;
259 GList *devices_inside;
260 GHashTable *device_events;
262 GHashTable *source_event_masks;
263 gulong device_added_handler_id;
264 gulong device_changed_handler_id;
266 guint num_offscreen_children;
269 #define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
270 #define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
272 extern gchar *_gdk_display_name;
273 extern gint _gdk_screen_number;
274 extern gchar *_gdk_display_arg_name;
275 extern gboolean _gdk_disable_multidevice;
277 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
279 void _gdk_event_filter_unref (GdkWindow *window,
280 GdkEventFilter *filter);
282 void _gdk_event_set_pointer_emulated (GdkEvent *event,
284 gboolean _gdk_event_get_pointer_emulated (GdkEvent *event);
286 void _gdk_event_emit (GdkEvent *event);
287 GList* _gdk_event_queue_find_first (GdkDisplay *display);
288 void _gdk_event_queue_remove_link (GdkDisplay *display,
290 GList* _gdk_event_queue_prepend (GdkDisplay *display,
292 GList* _gdk_event_queue_append (GdkDisplay *display,
294 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
295 GdkEvent *after_event,
297 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
298 GdkEvent *after_event,
300 void _gdk_event_button_generate (GdkDisplay *display,
303 void _gdk_windowing_event_data_copy (const GdkEvent *src,
305 void _gdk_windowing_event_data_free (GdkEvent *event);
307 void gdk_synthesize_window_state (GdkWindow *window,
308 GdkWindowState unset_flags,
309 GdkWindowState set_flags);
311 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
312 GdkRectangle *extents);
314 /*************************************
315 * Interfaces used by windowing code *
316 *************************************/
319 _gdk_window_ref_cairo_surface (GdkWindow *window);
321 void _gdk_window_destroy (GdkWindow *window,
322 gboolean foreign_destroy);
323 void _gdk_window_clear_update_area (GdkWindow *window);
324 void _gdk_window_update_size (GdkWindow *window);
325 gboolean _gdk_window_update_viewable (GdkWindow *window);
327 void _gdk_window_process_updates_recurse (GdkWindow *window,
328 cairo_region_t *expose_region);
330 void _gdk_screen_close (GdkScreen *screen);
332 /*****************************************
333 * Interfaces provided by windowing code *
334 *****************************************/
336 /* Font/string functions implemented in module-specific code */
338 void _gdk_cursor_destroy (GdkCursor *cursor);
340 extern const GOptionEntry _gdk_windowing_args[];
341 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
344 void _gdk_windowing_got_event (GdkDisplay *display,
349 #define GDK_WINDOW_IS_MAPPED(window) (((window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
351 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
352 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
353 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
354 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
356 typedef struct _GdkPaintable GdkPaintable;
357 typedef struct _GdkPaintableIface GdkPaintableIface;
359 struct _GdkPaintableIface
361 GTypeInterface g_iface;
363 void (* begin_paint_region) (GdkPaintable *paintable,
365 const cairo_region_t *region);
366 void (* end_paint) (GdkPaintable *paintable);
369 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
371 void _gdk_window_invalidate_for_expose (GdkWindow *window,
372 cairo_region_t *region);
374 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
376 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
381 void _gdk_window_add_damage (GdkWindow *toplevel,
382 cairo_region_t *damaged_region);
384 GdkEvent * _gdk_make_event (GdkWindow *window,
386 GdkEvent *event_in_queue,
387 gboolean before_event);
388 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
391 void _gdk_synthesize_crossing_events (GdkDisplay *display,
395 GdkDevice *source_device,
396 GdkCrossingMode mode,
399 GdkModifierType mask,
401 GdkEvent *event_in_queue,
403 gboolean non_linear);
404 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
409 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
411 gboolean _gdk_window_has_impl (GdkWindow *window);
412 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
414 /*****************************
415 * offscreen window routines *
416 *****************************/
417 GType gdk_offscreen_window_get_type (void);
418 void _gdk_offscreen_window_new (GdkWindow *window,
419 GdkWindowAttr *attributes,
420 gint attributes_mask);
421 cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
428 #endif /* __GDK_INTERNALS_H__ */