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>
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;
160 /* Tracks information about the pointer grab on this display */
164 GdkWindow *native_window;
166 gulong serial_end; /* exclusive, i.e. not active on serial_end */
167 gboolean owner_events;
171 GdkGrabOwnership ownership;
174 guint implicit_ungrab : 1;
177 typedef struct _GdkInputWindow GdkInputWindow;
178 typedef struct _GdkWindowPaint GdkWindowPaint;
180 typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
182 GdkPointerWindowInfo *device_info,
187 GdkDrawable parent_instance;
189 GdkDrawable *impl; /* window-system-specific delegate object */
199 gint extension_events;
204 cairo_pattern_t *background;
208 cairo_region_t *update_area;
209 guint update_freeze_count;
215 GdkWindowState state;
217 guint guffaw_gravity : 1;
218 guint input_only : 1;
219 guint modal_hint : 1;
220 guint composited : 1;
224 guint accept_focus : 1;
225 guint focus_on_map : 1;
227 guint support_multidevice : 1;
229 GdkEventMask event_mask;
231 guint update_and_descendants_freeze_count;
233 /* The GdkWindow that has the impl, ref:ed if another window.
234 * This ref is required to keep the wrapper of the impl window alive
235 * for as long as any GdkWindow references the impl. */
236 GdkWindow *impl_window;
237 int abs_x, abs_y; /* Absolute offset in impl */
240 cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
241 cairo_region_t *clip_region_with_children; /* Clip region in window coords */
243 GHashTable *device_cursor;
244 gint8 toplevel_window_type;
245 guint synthesize_crossing_event_queued : 1;
246 guint effective_visibility : 2;
247 guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
248 guint native_visibility : 2; /* the native visibility of a impl windows */
249 guint viewable : 1; /* mapped and all parents mapped */
250 guint applied_shape : 1;
252 guint num_offscreen_children;
253 GdkWindowPaint *implicit_paint;
254 GdkInputWindow *input_window; /* only set for impl windows */
256 GList *outstanding_moves;
258 cairo_region_t *shape;
259 cairo_region_t *input_shape;
261 cairo_surface_t *cairo_surface;
263 GList *devices_inside;
264 GHashTable *device_events;
267 #define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
268 #define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
270 extern GdkEventFunc _gdk_event_func; /* Callback for events */
271 extern gpointer _gdk_event_data;
272 extern GDestroyNotify _gdk_event_notify;
274 extern GSList *_gdk_displays;
275 extern gchar *_gdk_display_name;
276 extern gint _gdk_screen_number;
277 extern gchar *_gdk_display_arg_name;
278 extern gboolean _gdk_enable_multidevice;
280 void _gdk_events_queue (GdkDisplay *display);
281 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
283 GList* _gdk_event_queue_find_first (GdkDisplay *display);
284 void _gdk_event_queue_remove_link (GdkDisplay *display,
286 GList* _gdk_event_queue_prepend (GdkDisplay *display,
288 GList* _gdk_event_queue_append (GdkDisplay *display,
290 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
291 GdkEvent *after_event,
293 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
294 GdkEvent *after_event,
296 void _gdk_event_button_generate (GdkDisplay *display,
299 void _gdk_windowing_event_data_copy (const GdkEvent *src,
301 void _gdk_windowing_event_data_free (GdkEvent *event);
303 void gdk_synthesize_window_state (GdkWindow *window,
304 GdkWindowState unset_flags,
305 GdkWindowState set_flags);
307 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
309 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
310 GdkRectangle *extents);
312 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
314 /*************************************
315 * Interfaces used by windowing code *
316 *************************************/
319 _gdk_window_ref_cairo_surface (GdkWindow *window);
321 void _gdk_window_impl_new (GdkWindow *window,
322 GdkWindow *real_parent,
324 GdkEventMask event_mask,
325 GdkWindowAttr *attributes,
326 gint attributes_mask);
327 void _gdk_window_destroy (GdkWindow *window,
328 gboolean foreign_destroy);
329 void _gdk_window_clear_update_area (GdkWindow *window);
330 void _gdk_window_update_size (GdkWindow *window);
331 gboolean _gdk_window_update_viewable (GdkWindow *window);
333 void _gdk_window_process_updates_recurse (GdkWindow *window,
334 cairo_region_t *expose_region);
336 void _gdk_screen_close (GdkScreen *screen);
338 const char *_gdk_get_sm_client_id (void);
340 /*****************************************
341 * Interfaces provided by windowing code *
342 *****************************************/
344 /* Font/string functions implemented in module-specific code */
346 void _gdk_cursor_destroy (GdkCursor *cursor);
348 void _gdk_windowing_init (void);
350 extern const GOptionEntry _gdk_windowing_args[];
351 void _gdk_windowing_set_default_display (GdkDisplay *display);
353 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
356 gulong _gdk_windowing_window_get_next_serial (GdkDisplay *display);
357 void _gdk_windowing_window_get_offsets (GdkWindow *window,
360 cairo_region_t *_gdk_windowing_window_get_shape (GdkWindow *window);
361 cairo_region_t *_gdk_windowing_window_get_input_shape(GdkWindow *window);
362 void _gdk_windowing_window_beep (GdkWindow *window);
365 void _gdk_windowing_get_device_state (GdkDisplay *display,
370 GdkModifierType *mask);
371 GdkWindow* _gdk_windowing_window_at_device_position (GdkDisplay *display,
375 GdkModifierType *mask,
376 gboolean get_toplevel);
377 GdkGrabStatus _gdk_windowing_device_grab (GdkDevice *device,
380 gboolean owner_events,
381 GdkEventMask event_mask,
382 GdkWindow *confine_to,
385 void _gdk_windowing_got_event (GdkDisplay *display,
390 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
391 cairo_region_t *expose_region);
392 void _gdk_windowing_before_process_all_updates (void);
393 void _gdk_windowing_after_process_all_updates (void);
395 /* Return the number of bits-per-pixel for images of the specified depth. */
396 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
400 #define GDK_WINDOW_IS_MAPPED(window) (((window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
403 /* Called when gdk_window_destroy() is called on a foreign window
404 * or an ancestor of the foreign window. It should generally reparent
405 * the window out of it's current heirarchy, hide it, and then
406 * send a message to the owner requesting that the window be destroyed.
408 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
410 void _gdk_windowing_display_set_sm_client_id (GdkDisplay *display,
411 const gchar *sm_client_id);
413 void _gdk_windowing_window_set_composited (GdkWindow *window,
414 gboolean composited);
416 #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ())
417 #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
418 #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
419 #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
421 typedef struct _GdkPaintable GdkPaintable;
422 typedef struct _GdkPaintableIface GdkPaintableIface;
424 struct _GdkPaintableIface
426 GTypeInterface g_iface;
428 void (* begin_paint_region) (GdkPaintable *paintable,
430 const cairo_region_t *region);
431 void (* end_paint) (GdkPaintable *paintable);
434 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
436 struct GdkAppLaunchContextPrivate
446 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
449 void _gdk_windowing_launch_failed (GAppLaunchContext *context,
450 const char *startup_notify_id);
452 void _gdk_display_device_grab_update (GdkDisplay *display,
454 gulong current_serial);
455 GdkDeviceGrabInfo *_gdk_display_get_last_device_grab (GdkDisplay *display,
457 GdkDeviceGrabInfo *_gdk_display_add_device_grab (GdkDisplay *display,
460 GdkWindow *native_window,
461 GdkGrabOwnership grab_ownership,
462 gboolean owner_events,
463 GdkEventMask event_mask,
464 unsigned long serial_start,
467 GdkDeviceGrabInfo * _gdk_display_has_device_grab (GdkDisplay *display,
470 gboolean _gdk_display_end_device_grab (GdkDisplay *display,
475 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
478 void _gdk_display_enable_motion_hints (GdkDisplay *display,
481 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
484 void _gdk_display_pointer_info_foreach (GdkDisplay *display,
485 GdkDisplayPointerInfoForeach func,
488 void _gdk_window_invalidate_for_expose (GdkWindow *window,
489 cairo_region_t *region);
491 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
493 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
498 void _gdk_window_add_damage (GdkWindow *toplevel,
499 cairo_region_t *damaged_region);
501 GdkEvent * _gdk_make_event (GdkWindow *window,
503 GdkEvent *event_in_queue,
504 gboolean before_event);
505 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
508 void _gdk_synthesize_crossing_events (GdkDisplay *display,
512 GdkCrossingMode mode,
515 GdkModifierType mask,
517 GdkEvent *event_in_queue,
519 gboolean non_linear);
520 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
525 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
527 cairo_region_t *_gdk_window_calculate_full_clip_region (GdkWindow *window,
528 GdkWindow *base_window,
529 gboolean do_children,
531 gint *base_y_offset);
532 gboolean _gdk_window_has_impl (GdkWindow *window);
533 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
534 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
535 GdkEventType event_type,
539 /*****************************
540 * offscreen window routines *
541 *****************************/
542 GType gdk_offscreen_window_get_type (void);
543 void _gdk_offscreen_window_new (GdkWindow *window,
544 GdkWindowAttr *attributes,
545 gint attributes_mask);
546 cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
551 /************************************
552 * Initialization and exit routines *
553 ************************************/
555 void _gdk_windowing_exit (void);
559 #endif /* __GDK_INTERNALS_H__ */