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 <gdk/gdktypes.h>
34 #include <gdk/gdkwindow.h>
35 #include <gdk/gdkprivate.h>
37 #include <gdk/gdkmedialib.h>
42 /**********************
43 * General Facilities *
44 **********************/
46 /* Debugging support */
48 typedef struct _GdkColorInfo GdkColorInfo;
49 typedef struct _GdkEventFilter GdkEventFilter;
50 typedef struct _GdkClientFilter GdkClientFilter;
53 GDK_COLOR_WRITEABLE = 1 << 0
58 GdkColorInfoFlags flags;
62 struct _GdkEventFilter {
63 GdkFilterFunc function;
67 struct _GdkClientFilter {
69 GdkFilterFunc function;
74 GDK_DEBUG_MISC = 1 << 0,
75 GDK_DEBUG_EVENTS = 1 << 1,
76 GDK_DEBUG_DND = 1 << 2,
77 GDK_DEBUG_XIM = 1 << 3,
78 GDK_DEBUG_NOGRABS = 1 << 4,
79 GDK_DEBUG_COLORMAP = 1 << 5,
80 GDK_DEBUG_PIXMAP = 1 << 6,
81 GDK_DEBUG_INPUT = 1 << 7,
82 GDK_DEBUG_CURSOR = 1 << 8,
83 GDK_DEBUG_MULTIHEAD = 1 << 9,
84 GDK_DEBUG_XINERAMA = 1 <<10,
85 GDK_DEBUG_DRAW = 1 <<11,
86 GDK_DEBUG_EVENTLOOP = 1 <<12
89 extern GList *_gdk_default_filters;
90 extern GdkWindow *_gdk_parent_root;
92 extern guint _gdk_debug_flags;
93 extern gboolean _gdk_native_windows;
97 #define GDK_NOTE(type,action) G_STMT_START { \
98 if (_gdk_debug_flags & GDK_DEBUG_##type) \
99 { action; }; } G_STMT_END
101 #else /* !G_ENABLE_DEBUG */
103 #define GDK_NOTE(type,action)
105 #endif /* G_ENABLE_DEBUG */
118 typedef struct _GdkArgContext GdkArgContext;
119 typedef struct _GdkArgDesc GdkArgDesc;
121 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
123 struct _GdkArgContext
139 typedef struct _GdkEventPrivate GdkEventPrivate;
143 /* Following flag is set for events on the event queue during
144 * translation and cleared afterwards.
146 GDK_EVENT_PENDING = 1 << 0
149 struct _GdkEventPrivate
154 gpointer windowing_data;
158 /* Tracks information about the pointer grab on this display */
162 GdkWindow *native_window;
164 gulong serial_end; /* exclusive, i.e. not active on serial_end */
165 gboolean owner_events;
169 GdkGrabOwnership ownership;
172 guint implicit_ungrab : 1;
175 typedef struct _GdkInputWindow GdkInputWindow;
177 typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
179 GdkPointerWindowInfo *device_info,
182 /* Private version of GdkWindowObject. The initial part of this strucuture
183 is public for historical reasons. Don't change that part */
184 typedef struct _GdkWindowPaint GdkWindowPaint;
186 #define GDK_WINDOW_OBJECT(object) ((GdkWindowObject *) GDK_WINDOW (object))
188 struct _GdkWindowObject
190 GdkDrawable parent_instance;
192 GdkDrawable *impl; /* window-system-specific delegate object */
194 GdkWindowObject *parent;
201 gint extension_events;
206 cairo_pattern_t *background;
210 cairo_region_t *update_area;
211 guint update_freeze_count;
217 GdkWindowState state;
219 guint guffaw_gravity : 1;
220 guint input_only : 1;
221 guint modal_hint : 1;
222 guint composited : 1;
226 guint accept_focus : 1;
227 guint focus_on_map : 1;
229 guint support_multidevice : 1;
231 GdkEventMask event_mask;
233 guint update_and_descendants_freeze_count;
235 GdkWindowRedirect *redirect;
237 /* The GdkWindowObject that has the impl, ref:ed if another window.
238 * This ref is required to keep the wrapper of the impl window alive
239 * for as long as any GdkWindow references the impl. */
240 GdkWindowObject *impl_window;
241 int abs_x, abs_y; /* Absolute offset in impl */
244 cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
245 cairo_region_t *clip_region_with_children; /* Clip region in window coords */
247 GHashTable *device_cursor;
248 gint8 toplevel_window_type;
249 guint synthesize_crossing_event_queued : 1;
250 guint effective_visibility : 2;
251 guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
252 guint native_visibility : 2; /* the native visibility of a impl windows */
253 guint viewable : 1; /* mapped and all parents mapped */
254 guint applied_shape : 1;
256 guint num_offscreen_children;
257 GdkWindowPaint *implicit_paint;
258 GdkInputWindow *input_window; /* only set for impl windows */
260 GList *outstanding_moves;
262 cairo_region_t *shape;
263 cairo_region_t *input_shape;
265 cairo_surface_t *cairo_surface;
266 guint outstanding_surfaces; /* only set on impl window */
268 GList *devices_inside;
269 GHashTable *device_events;
272 #define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
273 #define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
275 extern GdkEventFunc _gdk_event_func; /* Callback for events */
276 extern gpointer _gdk_event_data;
277 extern GDestroyNotify _gdk_event_notify;
279 extern GSList *_gdk_displays;
280 extern gchar *_gdk_display_name;
281 extern gint _gdk_screen_number;
282 extern gchar *_gdk_display_arg_name;
283 extern gboolean _gdk_enable_multidevice;
285 void _gdk_events_queue (GdkDisplay *display);
286 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
288 GList* _gdk_event_queue_find_first (GdkDisplay *display);
289 void _gdk_event_queue_remove_link (GdkDisplay *display,
291 GList* _gdk_event_queue_prepend (GdkDisplay *display,
293 GList* _gdk_event_queue_append (GdkDisplay *display,
295 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
296 GdkEvent *after_event,
298 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
299 GdkEvent *after_event,
301 void _gdk_event_button_generate (GdkDisplay *display,
304 void _gdk_windowing_event_data_copy (const GdkEvent *src,
306 void _gdk_windowing_event_data_free (GdkEvent *event);
308 void gdk_synthesize_window_state (GdkWindow *window,
309 GdkWindowState unset_flags,
310 GdkWindowState set_flags);
312 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
314 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
315 GdkRectangle *extents);
317 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
319 GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable);
320 cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable,
324 /*************************************
325 * Interfaces used by windowing code *
326 *************************************/
328 GdkPixmap *_gdk_pixmap_new (GdkDrawable *drawable,
333 void _gdk_window_impl_new (GdkWindow *window,
334 GdkWindow *real_parent,
337 GdkEventMask event_mask,
338 GdkWindowAttr *attributes,
339 gint attributes_mask);
340 void _gdk_window_destroy (GdkWindow *window,
341 gboolean foreign_destroy);
342 void _gdk_window_clear_update_area (GdkWindow *window);
343 void _gdk_window_update_size (GdkWindow *window);
344 gboolean _gdk_window_update_viewable (GdkWindow *window);
346 void _gdk_window_process_updates_recurse (GdkWindow *window,
347 cairo_region_t *expose_region);
349 void _gdk_screen_close (GdkScreen *screen);
351 const char *_gdk_get_sm_client_id (void);
353 /*****************************************
354 * Interfaces provided by windowing code *
355 *****************************************/
357 /* Font/string functions implemented in module-specific code */
359 void _gdk_colormap_real_destroy (GdkColormap *colormap);
361 void _gdk_cursor_destroy (GdkCursor *cursor);
363 void _gdk_windowing_init (void);
365 extern const GOptionEntry _gdk_windowing_args[];
366 void _gdk_windowing_set_default_display (GdkDisplay *display);
368 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
371 gulong _gdk_windowing_window_get_next_serial (GdkDisplay *display);
372 void _gdk_windowing_window_get_offsets (GdkWindow *window,
375 cairo_region_t *_gdk_windowing_window_get_shape (GdkWindow *window);
376 cairo_region_t *_gdk_windowing_window_get_input_shape(GdkWindow *window);
377 void _gdk_windowing_window_beep (GdkWindow *window);
380 void _gdk_windowing_get_device_state (GdkDisplay *display,
385 GdkModifierType *mask);
386 GdkWindow* _gdk_windowing_window_at_device_position (GdkDisplay *display,
390 GdkModifierType *mask,
391 gboolean get_toplevel);
392 GdkGrabStatus _gdk_windowing_device_grab (GdkDevice *device,
395 gboolean owner_events,
396 GdkEventMask event_mask,
397 GdkWindow *confine_to,
400 void _gdk_windowing_got_event (GdkDisplay *display,
405 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
406 cairo_region_t *expose_region);
407 void _gdk_windowing_before_process_all_updates (void);
408 void _gdk_windowing_after_process_all_updates (void);
410 /* Return the number of bits-per-pixel for images of the specified depth. */
411 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
415 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
418 /* Called when gdk_window_destroy() is called on a foreign window
419 * or an ancestor of the foreign window. It should generally reparent
420 * the window out of it's current heirarchy, hide it, and then
421 * send a message to the owner requesting that the window be destroyed.
423 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
425 void _gdk_windowing_display_set_sm_client_id (GdkDisplay *display,
426 const gchar *sm_client_id);
428 void _gdk_windowing_window_set_composited (GdkWindow *window,
429 gboolean composited);
431 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
432 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
433 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
434 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
436 typedef struct _GdkPaintable GdkPaintable;
437 typedef struct _GdkPaintableIface GdkPaintableIface;
439 struct _GdkPaintableIface
441 GTypeInterface g_iface;
443 void (* begin_paint_region) (GdkPaintable *paintable,
445 const cairo_region_t *region);
446 void (* end_paint) (GdkPaintable *paintable);
449 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
451 /* Implementation types */
452 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
453 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
455 struct GdkAppLaunchContextPrivate
465 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
468 void _gdk_windowing_launch_failed (GAppLaunchContext *context,
469 const char *startup_notify_id);
471 void _gdk_display_device_grab_update (GdkDisplay *display,
473 gulong current_serial);
474 GdkDeviceGrabInfo *_gdk_display_get_last_device_grab (GdkDisplay *display,
476 GdkDeviceGrabInfo *_gdk_display_add_device_grab (GdkDisplay *display,
479 GdkWindow *native_window,
480 GdkGrabOwnership grab_ownership,
481 gboolean owner_events,
482 GdkEventMask event_mask,
483 unsigned long serial_start,
486 GdkDeviceGrabInfo * _gdk_display_has_device_grab (GdkDisplay *display,
489 gboolean _gdk_display_end_device_grab (GdkDisplay *display,
494 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
497 void _gdk_display_enable_motion_hints (GdkDisplay *display,
500 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
503 void _gdk_display_pointer_info_foreach (GdkDisplay *display,
504 GdkDisplayPointerInfoForeach func,
507 void _gdk_window_invalidate_for_expose (GdkWindow *window,
508 cairo_region_t *region);
510 gboolean _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
514 cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
517 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
519 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
524 void _gdk_window_add_damage (GdkWindow *toplevel,
525 cairo_region_t *damaged_region);
527 GdkEvent * _gdk_make_event (GdkWindow *window,
529 GdkEvent *event_in_queue,
530 gboolean before_event);
531 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
534 void _gdk_synthesize_crossing_events (GdkDisplay *display,
538 GdkCrossingMode mode,
541 GdkModifierType mask,
543 GdkEvent *event_in_queue,
545 gboolean non_linear);
546 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
551 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
553 cairo_region_t *_gdk_window_calculate_full_clip_region (GdkWindow *window,
554 GdkWindow *base_window,
555 gboolean do_children,
557 gint *base_y_offset);
558 gboolean _gdk_window_has_impl (GdkWindow *window);
559 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
560 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
561 GdkEventType event_type,
565 /*****************************
566 * offscreen window routines *
567 *****************************/
568 GType gdk_offscreen_window_get_type (void);
569 void _gdk_offscreen_window_new (GdkWindow *window,
572 GdkWindowAttr *attributes,
573 gint attributes_mask);
576 /************************************
577 * Initialization and exit routines *
578 ************************************/
580 void _gdk_windowing_exit (void);
584 #endif /* __GDK_INTERNALS_H__ */