Pileus Git - ~andy/gtk/blob - gdk/gdkinternals.h

   1 /* GDK - The GIMP Drawing Kit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   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.
   8  *
   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.
  13  *
  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.
  18  */
  19
  20 /*
  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/.
  25  */
  26
  27 /* Uninstalled header defining types and functions internal to GDK */
  28
  29 #ifndef __GDK_INTERNALS_H__
  30 #define __GDK_INTERNALS_H__
  31
  32 #include <gio/gio.h>
  33 #include <gdk/gdktypes.h>
  34 #include <gdk/gdkwindow.h>
  35 #include <gdk/gdkprivate.h>
  36 #ifdef USE_MEDIALIB
  37 #include <gdk/gdkmedialib.h>
  38 #endif
  39
  40 G_BEGIN_DECLS
  41
  42 /**********************
  43  * General Facilities *
  44  **********************/
  45
  46 /* Debugging support */
  47
  48 typedef struct _GdkColorInfo           GdkColorInfo;
  49 typedef struct _GdkEventFilter         GdkEventFilter;
  50 typedef struct _GdkClientFilter        GdkClientFilter;
  51
  52 typedef enum {
  53   GDK_COLOR_WRITEABLE = 1 << 0
  54 } GdkColorInfoFlags;
  55
  56 struct _GdkColorInfo
  57 {
  58   GdkColorInfoFlags flags;
  59   guint ref_count;
  60 };
  61
  62 struct _GdkEventFilter {
  63   GdkFilterFunc function;
  64   gpointer data;
  65 };
  66
  67 struct _GdkClientFilter {
  68   GdkAtom       type;
  69   GdkFilterFunc function;
  70   gpointer      data;
  71 };
  72
  73 typedef enum {
  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_GC            = 1 << 6,
  81   GDK_DEBUG_PIXMAP        = 1 << 7,
  82   GDK_DEBUG_IMAGE         = 1 << 8,
  83   GDK_DEBUG_INPUT         = 1 << 9,
  84   GDK_DEBUG_CURSOR        = 1 <<10,
  85   GDK_DEBUG_MULTIHEAD     = 1 <<11,
  86   GDK_DEBUG_XINERAMA      = 1 <<12,
  87   GDK_DEBUG_DRAW          = 1 <<13,
  88   GDK_DEBUG_EVENTLOOP     = 1 <<14
  89 } GdkDebugFlag;
  90
  91 extern GList            *_gdk_default_filters;
  92 extern GdkWindow        *_gdk_parent_root;
  93 extern gint              _gdk_error_code;
  94 extern gint              _gdk_error_warnings;
  95
  96 extern guint _gdk_debug_flags;
  97 extern gboolean _gdk_native_windows;
  98
  99 #ifdef G_ENABLE_DEBUG
 100
 101 #define GDK_NOTE(type,action)                G_STMT_START { \
 102     if (_gdk_debug_flags & GDK_DEBUG_##type)                \
 103        { action; };                          } G_STMT_END
 104
 105 #else /* !G_ENABLE_DEBUG */
 106
 107 #define GDK_NOTE(type,action)
 108
 109 #endif /* G_ENABLE_DEBUG */
 110
 111 /* Arg parsing */
 112
 113 typedef enum
 114 {
 115   GDK_ARG_STRING,
 116   GDK_ARG_INT,
 117   GDK_ARG_BOOL,
 118   GDK_ARG_NOBOOL,
 119   GDK_ARG_CALLBACK
 120 } GdkArgType;
 121
 122 typedef struct _GdkArgContext GdkArgContext;
 123 typedef struct _GdkArgDesc GdkArgDesc;
 124
 125 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
 126
 127 struct _GdkArgContext
 128 {
 129   GPtrArray *tables;
 130   gpointer cb_data;
 131 };
 132
 133 struct _GdkArgDesc
 134 {
 135   const char *name;
 136   GdkArgType type;
 137   gpointer location;
 138   GdkArgFunc callback;
 139 };
 140
 141 /* Event handling */
 142
 143 typedef struct _GdkEventPrivate GdkEventPrivate;
 144
 145 typedef enum
 146 {
 147   /* Following flag is set for events on the event queue during
 148    * translation and cleared afterwards.
 149    */
 150   GDK_EVENT_PENDING = 1 << 0
 151 } GdkEventFlags;
 152
 153 struct _GdkEventPrivate
 154 {
 155   GdkEvent   event;
 156   guint      flags;
 157   GdkScreen *screen;
 158   gpointer   windowing_data;
 159   GdkDevice *device;
 160 };
 161
 162 /* Tracks information about the pointer grab on this display */
 163 typedef struct
 164 {
 165   GdkWindow *window;
 166   GdkWindow *native_window;
 167   gulong serial_start;
 168   gulong serial_end; /* exclusive, i.e. not active on serial_end */
 169   gboolean owner_events;
 170   guint event_mask;
 171   gboolean implicit;
 172   guint32 time;
 173   GdkGrabOwnership ownership;
 174
 175   guint activated : 1;
 176   guint implicit_ungrab : 1;
 177 } GdkDeviceGrabInfo;
 178
 179 typedef struct _GdkInputWindow GdkInputWindow;
 180
 181 typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay           *display,
 182                                                GdkDevice            *device,
 183                                                GdkPointerWindowInfo *device_info,
 184                                                gpointer              user_data);
 185
 186 /* Private version of GdkWindowObject. The initial part of this strucuture
 187    is public for historical reasons. Don't change that part */
 188 typedef struct _GdkWindowPaint             GdkWindowPaint;
 189
 190 #define GDK_WINDOW_OBJECT(object)    ((GdkWindowObject *) GDK_WINDOW (object))
 191
 192 struct _GdkWindowObject
 193 {
 194   GdkDrawable parent_instance;
 195
 196   GdkDrawable *impl; /* window-system-specific delegate object */
 197
 198   GdkWindowObject *parent;
 199
 200   gpointer user_data;
 201
 202   gint x;
 203   gint y;
 204
 205   gint extension_events;
 206
 207   GList *filters;
 208   GList *children;
 209
 210   GdkColor bg_color;
 211   GdkPixmap *bg_pixmap;
 212
 213   GSList *paint_stack;
 214
 215   cairo_region_t *update_area;
 216   guint update_freeze_count;
 217
 218   guint8 window_type;
 219   guint8 depth;
 220   guint8 resize_count;
 221
 222   GdkWindowState state;
 223
 224   guint guffaw_gravity : 1;
 225   guint input_only : 1;
 226   guint modal_hint : 1;
 227   guint composited : 1;
 228
 229   guint destroyed : 2;
 230
 231   guint accept_focus : 1;
 232   guint focus_on_map : 1;
 233   guint shaped : 1;
 234   guint support_multidevice : 1;
 235
 236   GdkEventMask event_mask;
 237
 238   guint update_and_descendants_freeze_count;
 239
 240   GdkWindowRedirect *redirect;
 241
 242   /* The GdkWindowObject that has the impl, ref:ed if another window.
 243    * This ref is required to keep the wrapper of the impl window alive
 244    * for as long as any GdkWindow references the impl. */
 245   GdkWindowObject *impl_window;
 246   int abs_x, abs_y; /* Absolute offset in impl */
 247   gint width, height;
 248   guint32 clip_tag;
 249   cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
 250   cairo_region_t *clip_region_with_children; /* Clip region in window coords */
 251   GdkCursor *cursor;
 252   GHashTable *device_cursor;
 253   gint8 toplevel_window_type;
 254   guint synthesize_crossing_event_queued : 1;
 255   guint effective_visibility : 2;
 256   guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
 257   guint native_visibility : 2; /* the native visibility of a impl windows */
 258   guint viewable : 1; /* mapped and all parents mapped */
 259   guint applied_shape : 1;
 260
 261   guint num_offscreen_children;
 262   GdkWindowPaint *implicit_paint;
 263   GdkInputWindow *input_window; /* only set for impl windows */
 264
 265   GList *outstanding_moves;
 266
 267   cairo_region_t *shape;
 268   cairo_region_t *input_shape;
 269
 270   cairo_surface_t *cairo_surface;
 271   guint outstanding_surfaces; /* only set on impl window */
 272
 273   GList *devices_inside;
 274   GHashTable *device_events;
 275 };
 276
 277 #define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
 278 #define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
 279
 280 extern GdkEventFunc   _gdk_event_func;    /* Callback for events */
 281 extern gpointer       _gdk_event_data;
 282 extern GDestroyNotify _gdk_event_notify;
 283
 284 extern GSList    *_gdk_displays;
 285 extern gchar     *_gdk_display_name;
 286 extern gint       _gdk_screen_number;
 287 extern gchar     *_gdk_display_arg_name;
 288 extern gboolean   _gdk_enable_multidevice;
 289
 290 void      _gdk_events_queue  (GdkDisplay *display);
 291 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
 292
 293 GList* _gdk_event_queue_find_first   (GdkDisplay *display);
 294 void   _gdk_event_queue_remove_link  (GdkDisplay *display,
 295                                       GList      *node);
 296 GList* _gdk_event_queue_prepend      (GdkDisplay *display,
 297                                       GdkEvent   *event);
 298 GList* _gdk_event_queue_append       (GdkDisplay *display,
 299                                       GdkEvent   *event);
 300 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
 301                                       GdkEvent   *after_event,
 302                                       GdkEvent   *event);
 303 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
 304                                       GdkEvent   *after_event,
 305                                       GdkEvent   *event);
 306 void   _gdk_event_button_generate    (GdkDisplay *display,
 307                                       GdkEvent   *event);
 308
 309 void _gdk_windowing_event_data_copy (const GdkEvent *src,
 310                                      GdkEvent       *dst);
 311 void _gdk_windowing_event_data_free (GdkEvent       *event);
 312
 313 void gdk_synthesize_window_state (GdkWindow     *window,
 314                                   GdkWindowState unset_flags,
 315                                   GdkWindowState set_flags);
 316
 317 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
 318
 319
 320 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
 321
 322 GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable);
 323 cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable,
 324                                                       int width,
 325                                                       int height);
 326
 327 /* GC caching */
 328 GdkGC *_gdk_drawable_get_subwindow_scratch_gc (GdkDrawable *drawable);
 329
 330 /*************************************
 331  * Interfaces used by windowing code *
 332  *************************************/
 333
 334 GdkPixmap *_gdk_pixmap_new               (GdkDrawable    *drawable,
 335                                           gint            width,
 336                                           gint            height,
 337                                           gint            depth);
 338 GdkPixmap *_gdk_pixmap_create_from_data  (GdkDrawable    *drawable,
 339                                           const gchar    *data,
 340                                           gint            width,
 341                                           gint            height,
 342                                           gint            depth,
 343                                           const GdkColor *fg,
 344                                           const GdkColor *bg);
 345 GdkPixmap *_gdk_bitmap_create_from_data  (GdkDrawable    *drawable,
 346                                           const gchar    *data,
 347                                           gint            width,
 348                                           gint            height);
 349
 350 void       _gdk_window_impl_new          (GdkWindow      *window,
 351                                           GdkWindow      *real_parent,
 352                                           GdkScreen      *screen,
 353                                           GdkVisual      *visual,
 354                                           GdkEventMask    event_mask,
 355                                           GdkWindowAttr  *attributes,
 356                                           gint            attributes_mask);
 357 void       _gdk_window_destroy           (GdkWindow      *window,
 358                                           gboolean        foreign_destroy);
 359 void       _gdk_window_clear_update_area (GdkWindow      *window);
 360 void       _gdk_window_update_size       (GdkWindow      *window);
 361 gboolean   _gdk_window_update_viewable   (GdkWindow      *window);
 362
 363 void       _gdk_window_process_updates_recurse (GdkWindow *window,
 364                                                 cairo_region_t *expose_region);
 365
 366 void       _gdk_screen_close             (GdkScreen      *screen);
 367
 368 const char *_gdk_get_sm_client_id (void);
 369
 370 void _gdk_gc_init (GdkGC           *gc,
 371                    GdkDrawable     *drawable,
 372                    GdkGCValues     *values,
 373                    GdkGCValuesMask  values_mask);
 374
 375 cairo_region_t *_gdk_gc_get_clip_region (GdkGC *gc);
 376 GdkBitmap *_gdk_gc_get_clip_mask   (GdkGC *gc);
 377 gboolean   _gdk_gc_get_exposures   (GdkGC *gc);
 378 GdkFill    _gdk_gc_get_fill        (GdkGC *gc);
 379 GdkPixmap *_gdk_gc_get_tile        (GdkGC *gc);
 380 GdkBitmap *_gdk_gc_get_stipple     (GdkGC *gc);
 381 guint32    _gdk_gc_get_fg_pixel    (GdkGC *gc);
 382 guint32    _gdk_gc_get_bg_pixel    (GdkGC *gc);
 383 void      _gdk_gc_add_drawable_clip     (GdkGC     *gc,
 384                                          guint32    region_tag,
 385                                          cairo_region_t *region,
 386                                          int        offset_x,
 387                                          int        offset_y);
 388 void      _gdk_gc_remove_drawable_clip  (GdkGC     *gc);
 389 void       _gdk_gc_set_clip_region_internal (GdkGC     *gc,
 390                                              cairo_region_t *region,
 391                                              gboolean reset_origin);
 392 GdkSubwindowMode _gdk_gc_get_subwindow (GdkGC *gc);
 393
 394 GdkDrawable *_gdk_drawable_begin_direct_draw (GdkDrawable *drawable,
 395                                               GdkGC *gc,
 396                                               gpointer *priv_data,
 397                                               gint *x_offset_out,
 398                                               gint *y_offset_out);
 399 void         _gdk_drawable_end_direct_draw (gpointer priv_data);
 400
 401
 402 /*****************************************
 403  * Interfaces provided by windowing code *
 404  *****************************************/
 405
 406 /* Font/string functions implemented in module-specific code */
 407
 408 void _gdk_colormap_real_destroy (GdkColormap *colormap);
 409
 410 void _gdk_cursor_destroy (GdkCursor *cursor);
 411
 412 void     _gdk_windowing_init                    (void);
 413
 414 extern const GOptionEntry _gdk_windowing_args[];
 415 void     _gdk_windowing_set_default_display     (GdkDisplay *display);
 416
 417 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
 418                                                 gint         screen_number);
 419
 420 gulong   _gdk_windowing_window_get_next_serial  (GdkDisplay *display);
 421 void     _gdk_windowing_window_get_offsets      (GdkWindow  *window,
 422                                                  gint       *x_offset,
 423                                                  gint       *y_offset);
 424 cairo_region_t *_gdk_windowing_window_get_shape      (GdkWindow  *window);
 425 cairo_region_t *_gdk_windowing_window_get_input_shape(GdkWindow  *window);
 426 cairo_region_t *_gdk_windowing_get_shape_for_mask    (GdkBitmap *mask);
 427 void     _gdk_windowing_window_beep             (GdkWindow *window);
 428
 429
 430 void       _gdk_windowing_get_device_state   (GdkDisplay       *display,
 431                                               GdkDevice        *device,
 432                                               GdkScreen       **screen,
 433                                               gint             *x,
 434                                               gint             *y,
 435                                               GdkModifierType  *mask);
 436 GdkWindow* _gdk_windowing_window_at_device_position  (GdkDisplay       *display,
 437                                                       GdkDevice        *device,
 438                                                       gint             *win_x,
 439                                                       gint             *win_y,
 440                                                       GdkModifierType  *mask,
 441                                                       gboolean          get_toplevel);
 442 GdkGrabStatus _gdk_windowing_device_grab     (GdkDevice        *device,
 443                                               GdkWindow        *window,
 444                                               GdkWindow        *native,
 445                                               gboolean          owner_events,
 446                                               GdkEventMask      event_mask,
 447                                               GdkWindow        *confine_to,
 448                                               GdkCursor        *cursor,
 449                                               guint32           time);
 450 void _gdk_windowing_got_event                (GdkDisplay       *display,
 451                                               GList            *event_link,
 452                                               GdkEvent         *event,
 453                                               gulong            serial);
 454
 455 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
 456                                                     cairo_region_t *expose_region);
 457 void _gdk_windowing_before_process_all_updates     (void);
 458 void _gdk_windowing_after_process_all_updates      (void);
 459
 460 /* Return the number of bits-per-pixel for images of the specified depth. */
 461 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
 462                                         gint        depth);
 463
 464
 465 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
 466
 467
 468 /* Called when gdk_window_destroy() is called on a foreign window
 469  * or an ancestor of the foreign window. It should generally reparent
 470  * the window out of it's current heirarchy, hide it, and then
 471  * send a message to the owner requesting that the window be destroyed.
 472  */
 473 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
 474
 475 void _gdk_windowing_display_set_sm_client_id (GdkDisplay  *display,
 476                                               const gchar *sm_client_id);
 477
 478 void _gdk_windowing_window_set_composited (GdkWindow *window,
 479                                            gboolean composited);
 480
 481 #define GDK_TYPE_PAINTABLE            (_gdk_paintable_get_type ())
 482 #define GDK_PAINTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
 483 #define GDK_IS_PAINTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
 484 #define GDK_PAINTABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
 485
 486 typedef struct _GdkPaintable        GdkPaintable;
 487 typedef struct _GdkPaintableIface   GdkPaintableIface;
 488
 489 struct _GdkPaintableIface
 490 {
 491   GTypeInterface g_iface;
 492
 493   void (* begin_paint_region)       (GdkPaintable    *paintable,
 494                                      GdkWindow       *window,
 495                                      const cairo_region_t *region);
 496   void (* end_paint)                (GdkPaintable    *paintable);
 497 };
 498
 499 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
 500
 501 /* Implementation types */
 502 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
 503 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
 504
 505
 506 /**
 507  * _gdk_windowing_gc_set_clip_region:
 508  * @gc: a #GdkGC
 509  * @region: the new clip region
 510  * @reset_origin: if TRUE, reset the clip_x/y_origin values to 0
 511  *
 512  * Do any window-system specific processing necessary
 513  * for a change in clip region. Since the clip origin
 514  * will likely change before the GC is used with the
 515  * new clip, frequently this function will only set a flag and
 516  * do the real processing later.
 517  *
 518  * When this function is called, _gdk_gc_get_clip_region
 519  * will already return the new region.
 520  **/
 521 void _gdk_windowing_gc_set_clip_region (GdkGC           *gc,
 522                                         const cairo_region_t *region,
 523                                         gboolean reset_origin);
 524
 525 /**
 526  * _gdk_windowing_gc_copy:
 527  * @dst_gc: a #GdkGC from the GDK backend
 528  * @src_gc: a #GdkGC from the GDK backend
 529  *
 530  * Copies backend specific state from @src_gc to @dst_gc.
 531  * This is called before the generic state is copied, so
 532  * the old generic state is still available from @dst_gc
 533  **/
 534 void _gdk_windowing_gc_copy (GdkGC *dst_gc,
 535                              GdkGC *src_gc);
 536
 537 /* Queries the current foreground color of a GdkGC */
 538 void _gdk_windowing_gc_get_foreground (GdkGC    *gc,
 539                                        GdkColor *color);
 540 /* Queries the current background color of a GdkGC */
 541 void _gdk_windowing_gc_get_background (GdkGC    *gc,
 542                                        GdkColor *color);
 543
 544 struct GdkAppLaunchContextPrivate
 545 {
 546   GdkDisplay *display;
 547   GdkScreen *screen;
 548   gint workspace;
 549   guint32 timestamp;
 550   GIcon *icon;
 551   char *icon_name;
 552 };
 553
 554 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
 555                                             GAppInfo          *info,
 556                                             GList             *files);
 557 void  _gdk_windowing_launch_failed         (GAppLaunchContext *context,
 558                                             const char        *startup_notify_id);
 559
 560 void _gdk_display_device_grab_update                     (GdkDisplay *display,
 561                                                           GdkDevice  *device,
 562                                                           gulong      current_serial);
 563 GdkDeviceGrabInfo  *_gdk_display_get_last_device_grab  (GdkDisplay *display,
 564                                                         GdkDevice  *device);
 565 GdkDeviceGrabInfo  *_gdk_display_add_device_grab   (GdkDisplay       *display,
 566                                                     GdkDevice        *device,
 567                                                     GdkWindow        *window,
 568                                                     GdkWindow        *native_window,
 569                                                     GdkGrabOwnership  grab_ownership,
 570                                                     gboolean          owner_events,
 571                                                     GdkEventMask      event_mask,
 572                                                     unsigned long     serial_start,
 573                                                     guint32           time,
 574                                                     gboolean          implicit);
 575 GdkDeviceGrabInfo  * _gdk_display_has_device_grab  (GdkDisplay *display,
 576                                                     GdkDevice  *device,
 577                                                     gulong      serial);
 578 gboolean _gdk_display_end_device_grab  (GdkDisplay *display,
 579                                         GdkDevice  *device,
 580                                         gulong      serial,
 581                                         GdkWindow  *if_child,
 582                                         gboolean    implicit);
 583 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
 584                                             GdkDevice  *device,
 585                                             gulong      serial);
 586 void _gdk_display_enable_motion_hints     (GdkDisplay *display,
 587                                            GdkDevice  *device);
 588
 589 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
 590                                                       GdkDevice  *device);
 591
 592 void _gdk_display_pointer_info_foreach (GdkDisplay                   *display,
 593                                         GdkDisplayPointerInfoForeach  func,
 594                                         gpointer                      user_data);
 595
 596 void _gdk_window_invalidate_for_expose (GdkWindow       *window,
 597                                         cairo_region_t       *region);
 598
 599 void _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
 600                                             int width,
 601                                             int height);
 602
 603 cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
 604                                                        int width,
 605                                                        int height);
 606 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
 607                                        int x, int y);
 608 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
 609                                             double x, double y,
 610                                             double *found_x,
 611                                             double *found_y);
 612
 613 void _gdk_window_add_damage (GdkWindow *toplevel,
 614                              cairo_region_t *damaged_region);
 615
 616 GdkEvent * _gdk_make_event (GdkWindow    *window,
 617                             GdkEventType  type,
 618                             GdkEvent     *event_in_queue,
 619                             gboolean      before_event);
 620 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
 621                                       GdkWindow *child);
 622
 623 void _gdk_synthesize_crossing_events (GdkDisplay                 *display,
 624                                       GdkWindow                  *src,
 625                                       GdkWindow                  *dest,
 626                                       GdkDevice                  *device,
 627                                       GdkCrossingMode             mode,
 628                                       gint                        toplevel_x,
 629                                       gint                        toplevel_y,
 630                                       GdkModifierType             mask,
 631                                       guint32                     time_,
 632                                       GdkEvent                   *event_in_queue,
 633                                       gulong                      serial,
 634                                       gboolean                    non_linear);
 635 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
 636                                             GdkDevice  *device,
 637                                             GdkWindow  *window);
 638
 639
 640 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
 641
 642 cairo_region_t *_gdk_window_calculate_full_clip_region    (GdkWindow     *window,
 643                                                       GdkWindow     *base_window,
 644                                                       gboolean       do_children,
 645                                                       gint          *base_x_offset,
 646                                                       gint          *base_y_offset);
 647 gboolean    _gdk_window_has_impl (GdkWindow *window);
 648 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
 649 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
 650                                                    GdkEventType event_type,
 651                                                    int x, int y,
 652                                                    gulong serial);
 653
 654 /*****************************
 655  * offscreen window routines *
 656  *****************************/
 657 GType gdk_offscreen_window_get_type (void);
 658 void       _gdk_offscreen_window_new                 (GdkWindow     *window,
 659                                                       GdkScreen     *screen,
 660                                                       GdkVisual     *visual,
 661                                                       GdkWindowAttr *attributes,
 662                                                       gint           attributes_mask);
 663
 664
 665 /************************************
 666  * Initialization and exit routines *
 667  ************************************/
 668
 669 void _gdk_windowing_exit (void);
 670
 671 G_END_DECLS
 672
 673 #endif /* __GDK_INTERNALS_H__ */