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;
225 /* The GdkWindow that has the impl, ref:ed if another window.
226 * This ref is required to keep the wrapper of the impl window alive
227 * for as long as any GdkWindow references the impl. */
228 GdkWindow *impl_window;
230 guint update_and_descendants_freeze_count;
232 gint abs_x, abs_y; /* Absolute offset in impl */
235 /* The clip region is the part of the window, in window coordinates
236 that is fully or partially (i.e. semi transparently) visible in
237 the window hierarchy from the toplevel and down */
238 cairo_region_t *clip_region;
239 /* This is the clip region, with additionally all the opaque
240 child windows removed */
241 cairo_region_t *clip_region_with_children;
242 /* The layered region is the subset of clip_region that
243 is covered by non-opaque sibling or ancestor sibling window. */
244 cairo_region_t *layered_region;
247 GHashTable *device_cursor;
249 GdkWindowPaint *implicit_paint;
251 GList *outstanding_moves;
253 cairo_region_t *shape;
254 cairo_region_t *input_shape;
256 cairo_surface_t *cairo_surface;
258 GList *devices_inside;
259 GHashTable *device_events;
261 GHashTable *source_event_masks;
262 gulong device_added_handler_id;
263 gulong device_changed_handler_id;
265 guint num_offscreen_children;
268 #define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
269 #define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
271 extern gchar *_gdk_display_name;
272 extern gint _gdk_screen_number;
273 extern gchar *_gdk_display_arg_name;
274 extern gboolean _gdk_disable_multidevice;
276 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
278 void _gdk_event_filter_unref (GdkWindow *window,
279 GdkEventFilter *filter);
281 void _gdk_event_set_pointer_emulated (GdkEvent *event,
283 gboolean _gdk_event_get_pointer_emulated (GdkEvent *event);
285 void _gdk_event_emit (GdkEvent *event);
286 GList* _gdk_event_queue_find_first (GdkDisplay *display);
287 void _gdk_event_queue_remove_link (GdkDisplay *display,
289 GList* _gdk_event_queue_prepend (GdkDisplay *display,
291 GList* _gdk_event_queue_append (GdkDisplay *display,
293 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
294 GdkEvent *after_event,
296 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
297 GdkEvent *after_event,
299 void _gdk_event_button_generate (GdkDisplay *display,
302 void _gdk_windowing_event_data_copy (const GdkEvent *src,
304 void _gdk_windowing_event_data_free (GdkEvent *event);
306 void gdk_synthesize_window_state (GdkWindow *window,
307 GdkWindowState unset_flags,
308 GdkWindowState set_flags);
310 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
311 GdkRectangle *extents);
313 /*************************************
314 * Interfaces used by windowing code *
315 *************************************/
318 _gdk_window_ref_cairo_surface (GdkWindow *window);
320 void _gdk_window_destroy (GdkWindow *window,
321 gboolean foreign_destroy);
322 void _gdk_window_clear_update_area (GdkWindow *window);
323 void _gdk_window_update_size (GdkWindow *window);
324 gboolean _gdk_window_update_viewable (GdkWindow *window);
326 void _gdk_window_process_updates_recurse (GdkWindow *window,
327 cairo_region_t *expose_region);
329 void _gdk_screen_close (GdkScreen *screen);
331 /*****************************************
332 * Interfaces provided by windowing code *
333 *****************************************/
335 /* Font/string functions implemented in module-specific code */
337 void _gdk_cursor_destroy (GdkCursor *cursor);
339 extern const GOptionEntry _gdk_windowing_args[];
340 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
343 void _gdk_windowing_got_event (GdkDisplay *display,
348 #define GDK_WINDOW_IS_MAPPED(window) (((window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
350 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
351 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
352 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
353 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
355 typedef struct _GdkPaintable GdkPaintable;
356 typedef struct _GdkPaintableIface GdkPaintableIface;
358 struct _GdkPaintableIface
360 GTypeInterface g_iface;
362 void (* begin_paint_region) (GdkPaintable *paintable,
364 const cairo_region_t *region);
365 void (* end_paint) (GdkPaintable *paintable);
368 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
370 void _gdk_window_invalidate_for_expose (GdkWindow *window,
371 cairo_region_t *region);
373 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
375 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
380 void _gdk_window_add_damage (GdkWindow *toplevel,
381 cairo_region_t *damaged_region);
383 GdkEvent * _gdk_make_event (GdkWindow *window,
385 GdkEvent *event_in_queue,
386 gboolean before_event);
387 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
390 void _gdk_synthesize_crossing_events (GdkDisplay *display,
394 GdkDevice *source_device,
395 GdkCrossingMode mode,
398 GdkModifierType mask,
400 GdkEvent *event_in_queue,
402 gboolean non_linear);
403 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
408 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
410 gboolean _gdk_window_has_impl (GdkWindow *window);
411 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
413 /*****************************
414 * offscreen window routines *
415 *****************************/
416 GType gdk_offscreen_window_get_type (void);
417 void _gdk_offscreen_window_new (GdkWindow *window,
418 GdkWindowAttr *attributes,
419 gint attributes_mask);
420 cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
427 #endif /* __GDK_INTERNALS_H__ */