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,
86 GDK_DEBUG_FRAMES = 1 << 11
90 GDK_RENDERING_MODE_SIMILAR = 0,
91 GDK_RENDERING_MODE_IMAGE,
92 GDK_RENDERING_MODE_RECORDING
95 extern GList *_gdk_default_filters;
96 extern GdkWindow *_gdk_parent_root;
98 extern guint _gdk_debug_flags;
99 extern GdkRenderingMode _gdk_rendering_mode;
101 #ifdef G_ENABLE_DEBUG
103 #define GDK_NOTE(type,action) G_STMT_START { \
104 if (_gdk_debug_flags & GDK_DEBUG_##type) \
105 { action; }; } G_STMT_END
107 #else /* !G_ENABLE_DEBUG */
109 #define GDK_NOTE(type,action)
111 #endif /* G_ENABLE_DEBUG */
124 typedef struct _GdkArgContext GdkArgContext;
125 typedef struct _GdkArgDesc GdkArgDesc;
127 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
129 struct _GdkArgContext
145 typedef struct _GdkEventPrivate GdkEventPrivate;
149 /* Following flag is set for events on the event queue during
150 * translation and cleared afterwards.
152 GDK_EVENT_PENDING = 1 << 0,
154 /* The following flag is set for:
155 * 1) touch events emulating pointer events
156 * 2) pointer events being emulated by a touch sequence.
158 GDK_EVENT_POINTER_EMULATED = 1 << 1
161 struct _GdkEventPrivate
166 gpointer windowing_data;
168 GdkDevice *source_device;
171 typedef struct _GdkWindowPaint GdkWindowPaint;
175 GObject parent_instance;
177 GdkWindowImpl *impl; /* window-system-specific delegate object */
187 GdkEventMask event_mask;
192 cairo_pattern_t *background;
196 cairo_region_t *update_area;
197 guint update_freeze_count;
203 gint8 toplevel_window_type;
206 GdkWindowState state;
208 guint guffaw_gravity : 1;
209 guint input_only : 1;
210 guint modal_hint : 1;
211 guint composited : 1;
212 guint has_alpha_background : 1;
216 guint accept_focus : 1;
217 guint focus_on_map : 1;
219 guint support_multidevice : 1;
220 guint synthesize_crossing_event_queued : 1;
221 guint effective_visibility : 2;
222 guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
223 guint native_visibility : 2; /* the native visibility of a impl windows */
224 guint viewable : 1; /* mapped and all parents mapped */
225 guint applied_shape : 1;
226 GdkFullscreenMode fullscreen_mode;
228 /* The GdkWindow that has the impl, ref:ed if another window.
229 * This ref is required to keep the wrapper of the impl window alive
230 * for as long as any GdkWindow references the impl. */
231 GdkWindow *impl_window;
233 guint update_and_descendants_freeze_count;
235 gint abs_x, abs_y; /* Absolute offset in impl */
238 /* The clip region is the part of the window, in window coordinates
239 that is fully or partially (i.e. semi transparently) visible in
240 the window hierarchy from the toplevel and down */
241 cairo_region_t *clip_region;
242 /* This is the clip region, with additionally all the opaque
243 child windows removed */
244 cairo_region_t *clip_region_with_children;
245 /* The layered region is the subset of clip_region that
246 is covered by non-opaque sibling or ancestor sibling window. */
247 cairo_region_t *layered_region;
250 GHashTable *device_cursor;
252 GSList *implicit_paint;
254 GList *outstanding_moves;
256 cairo_region_t *shape;
257 cairo_region_t *input_shape;
259 cairo_surface_t *cairo_surface;
261 GList *devices_inside;
262 GHashTable *device_events;
264 GHashTable *source_event_masks;
265 gulong device_added_handler_id;
266 gulong device_changed_handler_id;
268 guint num_offscreen_children;
270 GdkFrameClock *frame_clock; /* NULL to use from parent or default */
273 #define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
274 #define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
276 extern gchar *_gdk_display_name;
277 extern gint _gdk_screen_number;
278 extern gchar *_gdk_display_arg_name;
279 extern gboolean _gdk_disable_multidevice;
281 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
283 void _gdk_event_filter_unref (GdkWindow *window,
284 GdkEventFilter *filter);
286 void _gdk_event_set_pointer_emulated (GdkEvent *event,
288 gboolean _gdk_event_get_pointer_emulated (GdkEvent *event);
290 void _gdk_event_emit (GdkEvent *event);
291 GList* _gdk_event_queue_find_first (GdkDisplay *display);
292 void _gdk_event_queue_remove_link (GdkDisplay *display,
294 GList* _gdk_event_queue_prepend (GdkDisplay *display,
296 GList* _gdk_event_queue_append (GdkDisplay *display,
298 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
299 GdkEvent *after_event,
301 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
302 GdkEvent *after_event,
305 void _gdk_event_queue_handle_motion_compression (GdkDisplay *display);
307 void _gdk_event_button_generate (GdkDisplay *display,
310 void _gdk_windowing_event_data_copy (const GdkEvent *src,
312 void _gdk_windowing_event_data_free (GdkEvent *event);
314 void gdk_synthesize_window_state (GdkWindow *window,
315 GdkWindowState unset_flags,
316 GdkWindowState set_flags);
318 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
319 GdkRectangle *extents);
321 /*************************************
322 * Interfaces used by windowing code *
323 *************************************/
326 _gdk_window_ref_cairo_surface (GdkWindow *window);
328 void _gdk_window_destroy (GdkWindow *window,
329 gboolean foreign_destroy);
330 void _gdk_window_clear_update_area (GdkWindow *window);
331 void _gdk_window_update_size (GdkWindow *window);
332 gboolean _gdk_window_update_viewable (GdkWindow *window);
334 void _gdk_window_process_updates_recurse (GdkWindow *window,
335 cairo_region_t *expose_region);
337 void _gdk_screen_close (GdkScreen *screen);
339 /*****************************************
340 * Interfaces provided by windowing code *
341 *****************************************/
343 /* Font/string functions implemented in module-specific code */
345 void _gdk_cursor_destroy (GdkCursor *cursor);
347 extern const GOptionEntry _gdk_windowing_args[];
348 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
351 void _gdk_windowing_got_event (GdkDisplay *display,
356 #define GDK_WINDOW_IS_MAPPED(window) (((window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
358 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
359 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
360 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
361 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
363 typedef struct _GdkPaintable GdkPaintable;
364 typedef struct _GdkPaintableIface GdkPaintableIface;
366 struct _GdkPaintableIface
368 GTypeInterface g_iface;
370 void (* begin_paint_region) (GdkPaintable *paintable,
372 const cairo_region_t *region);
373 void (* end_paint) (GdkPaintable *paintable);
376 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
378 void _gdk_window_invalidate_for_expose (GdkWindow *window,
379 cairo_region_t *region);
381 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
383 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
388 void _gdk_window_add_damage (GdkWindow *toplevel,
389 cairo_region_t *damaged_region);
391 GdkEvent * _gdk_make_event (GdkWindow *window,
393 GdkEvent *event_in_queue,
394 gboolean before_event);
395 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
398 void _gdk_synthesize_crossing_events (GdkDisplay *display,
402 GdkDevice *source_device,
403 GdkCrossingMode mode,
406 GdkModifierType mask,
408 GdkEvent *event_in_queue,
410 gboolean non_linear);
411 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
416 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
418 gboolean _gdk_window_has_impl (GdkWindow *window);
419 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
421 /*****************************
422 * offscreen window routines *
423 *****************************/
424 GType gdk_offscreen_window_get_type (void);
425 void _gdk_offscreen_window_new (GdkWindow *window,
426 GdkWindowAttr *attributes,
427 gint attributes_mask);
428 cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
434 #endif /* __GDK_INTERNALS_H__ */