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_GDKRGB        = 1 << 6,
  81   GDK_DEBUG_GC            = 1 << 7,
  82   GDK_DEBUG_PIXMAP        = 1 << 8,
  83   GDK_DEBUG_IMAGE         = 1 << 9,
  84   GDK_DEBUG_INPUT         = 1 <<10,
  85   GDK_DEBUG_CURSOR        = 1 <<11,
  86   GDK_DEBUG_MULTIHEAD     = 1 <<12,
  87   GDK_DEBUG_XINERAMA      = 1 <<13,
  88   GDK_DEBUG_DRAW          = 1 <<14,
  89   GDK_DEBUG_EVENTLOOP     = 1 <<15
  90 } GdkDebugFlag;
  91
  92 extern GList            *_gdk_default_filters;
  93 extern GdkWindow        *_gdk_parent_root;
  94 extern gint              _gdk_error_code;
  95 extern gint              _gdk_error_warnings;
  96
  97 extern guint _gdk_debug_flags;
  98 extern gboolean _gdk_native_windows;
  99
 100 #ifdef G_ENABLE_DEBUG
 101
 102 #define GDK_NOTE(type,action)                G_STMT_START { \
 103     if (_gdk_debug_flags & GDK_DEBUG_##type)                \
 104        { action; };                          } G_STMT_END
 105
 106 #else /* !G_ENABLE_DEBUG */
 107
 108 #define GDK_NOTE(type,action)
 109
 110 #endif /* G_ENABLE_DEBUG */
 111
 112 /* Arg parsing */
 113
 114 typedef enum
 115 {
 116   GDK_ARG_STRING,
 117   GDK_ARG_INT,
 118   GDK_ARG_BOOL,
 119   GDK_ARG_NOBOOL,
 120   GDK_ARG_CALLBACK
 121 } GdkArgType;
 122
 123 typedef struct _GdkArgContext GdkArgContext;
 124 typedef struct _GdkArgDesc GdkArgDesc;
 125
 126 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
 127
 128 struct _GdkArgContext
 129 {
 130   GPtrArray *tables;
 131   gpointer cb_data;
 132 };
 133
 134 struct _GdkArgDesc
 135 {
 136   const char *name;
 137   GdkArgType type;
 138   gpointer location;
 139   GdkArgFunc callback;
 140 };
 141
 142 /* Event handling */
 143
 144 typedef struct _GdkEventPrivate GdkEventPrivate;
 145
 146 typedef enum
 147 {
 148   /* Following flag is set for events on the event queue during
 149    * translation and cleared afterwards.
 150    */
 151   GDK_EVENT_PENDING = 1 << 0
 152 } GdkEventFlags;
 153
 154 struct _GdkEventPrivate
 155 {
 156   GdkEvent   event;
 157   guint      flags;
 158   GdkScreen *screen;
 159   gpointer   windowing_data;
 160   GdkDevice *device;
 161 };
 162
 163 /* Tracks information about the pointer grab on this display */
 164 typedef struct
 165 {
 166   GdkWindow *window;
 167   GdkWindow *native_window;
 168   gulong serial_start;
 169   gulong serial_end; /* exclusive, i.e. not active on serial_end */
 170   gboolean owner_events;
 171   guint event_mask;
 172   gboolean implicit;
 173   guint32 time;
 174   GdkGrabOwnership ownership;
 175
 176   guint activated : 1;
 177   guint implicit_ungrab : 1;
 178 } GdkDeviceGrabInfo;
 179
 180 typedef struct _GdkInputWindow GdkInputWindow;
 181
 182 typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay           *display,
 183                                                GdkDevice            *device,
 184                                                GdkPointerWindowInfo *device_info,
 185                                                gpointer              user_data);
 186
 187 /* Private version of GdkWindowObject. The initial part of this strucuture
 188    is public for historical reasons. Don't change that part */
 189 typedef struct _GdkWindowPaint             GdkWindowPaint;
 190
 191 #define GDK_WINDOW_OBJECT(object)    ((GdkWindowObject *) GDK_WINDOW (object))
 192
 193 struct _GdkWindowObject
 194 {
 195   GdkDrawable parent_instance;
 196
 197   GdkDrawable *impl; /* window-system-specific delegate object */
 198
 199   GdkWindowObject *parent;
 200
 201   gpointer user_data;
 202
 203   gint x;
 204   gint y;
 205
 206   gint extension_events;
 207
 208   GList *filters;
 209   GList *children;
 210
 211   GdkColor bg_color;
 212   GdkPixmap *bg_pixmap;
 213
 214   GSList *paint_stack;
 215
 216   cairo_region_t *update_area;
 217   guint update_freeze_count;
 218
 219   guint8 window_type;
 220   guint8 depth;
 221   guint8 resize_count;
 222
 223   GdkWindowState state;
 224
 225   guint guffaw_gravity : 1;
 226   guint input_only : 1;
 227   guint modal_hint : 1;
 228   guint composited : 1;
 229
 230   guint destroyed : 2;
 231
 232   guint accept_focus : 1;
 233   guint focus_on_map : 1;
 234   guint shaped : 1;
 235   guint support_multidevice : 1;
 236
 237   GdkEventMask event_mask;
 238
 239   guint update_and_descendants_freeze_count;
 240
 241   GdkWindowRedirect *redirect;
 242
 243   /* The GdkWindowObject that has the impl, ref:ed if another window.
 244    * This ref is required to keep the wrapper of the impl window alive
 245    * for as long as any GdkWindow references the impl. */
 246   GdkWindowObject *impl_window;
 247   int abs_x, abs_y; /* Absolute offset in impl */
 248   gint width, height;
 249   guint32 clip_tag;
 250   cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
 251   cairo_region_t *clip_region_with_children; /* Clip region in window coords */
 252   GdkCursor *cursor;
 253   GHashTable *device_cursor;
 254   gint8 toplevel_window_type;
 255   guint synthesize_crossing_event_queued : 1;
 256   guint effective_visibility : 2;
 257   guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
 258   guint native_visibility : 2; /* the native visibility of a impl windows */
 259   guint viewable : 1; /* mapped and all parents mapped */
 260   guint applied_shape : 1;
 261
 262   guint num_offscreen_children;
 263   GdkWindowPaint *implicit_paint;
 264   GdkInputWindow *input_window; /* only set for impl windows */
 265
 266   GList *outstanding_moves;
 267
 268   cairo_region_t *shape;
 269   cairo_region_t *input_shape;
 270
 271   cairo_surface_t *cairo_surface;
 272   guint outstanding_surfaces; /* only set on impl window */
 273
 274   GList *devices_inside;
 275   GHashTable *device_events;
 276 };
 277
 278 #define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
 279 #define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
 280
 281 extern GdkEventFunc   _gdk_event_func;    /* Callback for events */
 282 extern gpointer       _gdk_event_data;
 283 extern GDestroyNotify _gdk_event_notify;
 284
 285 extern GSList    *_gdk_displays;
 286 extern gchar     *_gdk_display_name;
 287 extern gint       _gdk_screen_number;
 288 extern gchar     *_gdk_display_arg_name;
 289 extern gboolean   _gdk_enable_multidevice;
 290
 291 void      _gdk_events_queue  (GdkDisplay *display);
 292 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
 293
 294 GList* _gdk_event_queue_find_first   (GdkDisplay *display);
 295 void   _gdk_event_queue_remove_link  (GdkDisplay *display,
 296                                       GList      *node);
 297 GList* _gdk_event_queue_prepend      (GdkDisplay *display,
 298                                       GdkEvent   *event);
 299 GList* _gdk_event_queue_append       (GdkDisplay *display,
 300                                       GdkEvent   *event);
 301 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
 302                                       GdkEvent   *after_event,
 303                                       GdkEvent   *event);
 304 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
 305                                       GdkEvent   *after_event,
 306                                       GdkEvent   *event);
 307 void   _gdk_event_button_generate    (GdkDisplay *display,
 308                                       GdkEvent   *event);
 309
 310 void _gdk_windowing_event_data_copy (const GdkEvent *src,
 311                                      GdkEvent       *dst);
 312 void _gdk_windowing_event_data_free (GdkEvent       *event);
 313
 314 void gdk_synthesize_window_state (GdkWindow     *window,
 315                                   GdkWindowState unset_flags,
 316                                   GdkWindowState set_flags);
 317
 318 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
 319
 320
 321 #define GDK_SCRATCH_IMAGE_WIDTH 256
 322 #define GDK_SCRATCH_IMAGE_HEIGHT 64
 323
 324 GdkImage* _gdk_image_new_for_depth (GdkScreen    *screen,
 325                                     GdkImageType  type,
 326                                     GdkVisual    *visual,
 327                                     gint          width,
 328                                     gint          height,
 329                                     gint          depth);
 330 GdkImage *_gdk_image_get_scratch (GdkScreen *screen,
 331                                   gint       width,
 332                                   gint       height,
 333                                   gint       depth,
 334                                   gint      *x,
 335                                   gint      *y);
 336
 337 GdkImage *_gdk_drawable_copy_to_image (GdkDrawable  *drawable,
 338                                        GdkImage     *image,
 339                                        gint          src_x,
 340                                        gint          src_y,
 341                                        gint          dest_x,
 342                                        gint          dest_y,
 343                                        gint          width,
 344                                        gint          height);
 345
 346 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
 347
 348 GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable);
 349 cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable,
 350                                                       int width,
 351                                                       int height);
 352
 353 /* GC caching */
 354 GdkGC *_gdk_drawable_get_scratch_gc (GdkDrawable *drawable,
 355                                      gboolean     graphics_exposures);
 356 GdkGC *_gdk_drawable_get_subwindow_scratch_gc (GdkDrawable *drawable);
 357
 358 void _gdk_gc_update_context (GdkGC          *gc,
 359                              cairo_t        *cr,
 360                              const GdkColor *override_foreground,
 361                              GdkBitmap      *override_stipple,
 362                              gboolean        gc_changed,
 363                              GdkDrawable    *target_drawable);
 364
 365 /*************************************
 366  * Interfaces used by windowing code *
 367  *************************************/
 368
 369 GdkPixmap *_gdk_pixmap_new               (GdkDrawable    *drawable,
 370                                           gint            width,
 371                                           gint            height,
 372                                           gint            depth);
 373 GdkPixmap *_gdk_pixmap_create_from_data  (GdkDrawable    *drawable,
 374                                           const gchar    *data,
 375                                           gint            width,
 376                                           gint            height,
 377                                           gint            depth,
 378                                           const GdkColor *fg,
 379                                           const GdkColor *bg);
 380 GdkPixmap *_gdk_bitmap_create_from_data  (GdkDrawable    *drawable,
 381                                           const gchar    *data,
 382                                           gint            width,
 383                                           gint            height);
 384
 385 void       _gdk_window_impl_new          (GdkWindow      *window,
 386                                           GdkWindow      *real_parent,
 387                                           GdkScreen      *screen,
 388                                           GdkVisual      *visual,
 389                                           GdkEventMask    event_mask,
 390                                           GdkWindowAttr  *attributes,
 391                                           gint            attributes_mask);
 392 void       _gdk_window_destroy           (GdkWindow      *window,
 393                                           gboolean        foreign_destroy);
 394 void       _gdk_window_clear_update_area (GdkWindow      *window);
 395 void       _gdk_window_update_size       (GdkWindow      *window);
 396 gboolean   _gdk_window_update_viewable   (GdkWindow      *window);
 397
 398 void       _gdk_window_process_updates_recurse (GdkWindow *window,
 399                                                 cairo_region_t *expose_region);
 400
 401 void       _gdk_screen_close             (GdkScreen      *screen);
 402
 403 const char *_gdk_get_sm_client_id (void);
 404
 405 void _gdk_gc_init (GdkGC           *gc,
 406                    GdkDrawable     *drawable,
 407                    GdkGCValues     *values,
 408                    GdkGCValuesMask  values_mask);
 409
 410 cairo_region_t *_gdk_gc_get_clip_region (GdkGC *gc);
 411 GdkBitmap *_gdk_gc_get_clip_mask   (GdkGC *gc);
 412 gboolean   _gdk_gc_get_exposures   (GdkGC *gc);
 413 GdkFill    _gdk_gc_get_fill        (GdkGC *gc);
 414 GdkPixmap *_gdk_gc_get_tile        (GdkGC *gc);
 415 GdkBitmap *_gdk_gc_get_stipple     (GdkGC *gc);
 416 guint32    _gdk_gc_get_fg_pixel    (GdkGC *gc);
 417 guint32    _gdk_gc_get_bg_pixel    (GdkGC *gc);
 418 void      _gdk_gc_add_drawable_clip     (GdkGC     *gc,
 419                                          guint32    region_tag,
 420                                          cairo_region_t *region,
 421                                          int        offset_x,
 422                                          int        offset_y);
 423 void      _gdk_gc_remove_drawable_clip  (GdkGC     *gc);
 424 void       _gdk_gc_set_clip_region_internal (GdkGC     *gc,
 425                                              cairo_region_t *region,
 426                                              gboolean reset_origin);
 427 GdkSubwindowMode _gdk_gc_get_subwindow (GdkGC *gc);
 428
 429 GdkDrawable *_gdk_drawable_begin_direct_draw (GdkDrawable *drawable,
 430                                               GdkGC *gc,
 431                                               gpointer *priv_data,
 432                                               gint *x_offset_out,
 433                                               gint *y_offset_out);
 434 void         _gdk_drawable_end_direct_draw (gpointer priv_data);
 435
 436
 437 /*****************************************
 438  * Interfaces provided by windowing code *
 439  *****************************************/
 440
 441 /* Font/string functions implemented in module-specific code */
 442
 443 void _gdk_colormap_real_destroy (GdkColormap *colormap);
 444
 445 void _gdk_cursor_destroy (GdkCursor *cursor);
 446
 447 void     _gdk_windowing_init                    (void);
 448
 449 extern const GOptionEntry _gdk_windowing_args[];
 450 void     _gdk_windowing_set_default_display     (GdkDisplay *display);
 451
 452 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
 453                                                 gint         screen_number);
 454
 455 gulong   _gdk_windowing_window_get_next_serial  (GdkDisplay *display);
 456 void     _gdk_windowing_window_get_offsets      (GdkWindow  *window,
 457                                                  gint       *x_offset,
 458                                                  gint       *y_offset);
 459 cairo_region_t *_gdk_windowing_window_get_shape      (GdkWindow  *window);
 460 cairo_region_t *_gdk_windowing_window_get_input_shape(GdkWindow  *window);
 461 cairo_region_t *_gdk_windowing_get_shape_for_mask    (GdkBitmap *mask);
 462 void     _gdk_windowing_window_beep             (GdkWindow *window);
 463
 464
 465 void       _gdk_windowing_get_device_state   (GdkDisplay       *display,
 466                                               GdkDevice        *device,
 467                                               GdkScreen       **screen,
 468                                               gint             *x,
 469                                               gint             *y,
 470                                               GdkModifierType  *mask);
 471 GdkWindow* _gdk_windowing_window_at_device_position  (GdkDisplay       *display,
 472                                                       GdkDevice        *device,
 473                                                       gint             *win_x,
 474                                                       gint             *win_y,
 475                                                       GdkModifierType  *mask,
 476                                                       gboolean          get_toplevel);
 477 GdkGrabStatus _gdk_windowing_device_grab     (GdkDevice        *device,
 478                                               GdkWindow        *window,
 479                                               GdkWindow        *native,
 480                                               gboolean          owner_events,
 481                                               GdkEventMask      event_mask,
 482                                               GdkWindow        *confine_to,
 483                                               GdkCursor        *cursor,
 484                                               guint32           time);
 485 void _gdk_windowing_got_event                (GdkDisplay       *display,
 486                                               GList            *event_link,
 487                                               GdkEvent         *event,
 488                                               gulong            serial);
 489
 490 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
 491                                                     cairo_region_t *expose_region);
 492 void _gdk_windowing_before_process_all_updates     (void);
 493 void _gdk_windowing_after_process_all_updates      (void);
 494
 495 /* Return the number of bits-per-pixel for images of the specified depth. */
 496 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
 497                                         gint        depth);
 498
 499
 500 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
 501
 502
 503 /* Called when gdk_window_destroy() is called on a foreign window
 504  * or an ancestor of the foreign window. It should generally reparent
 505  * the window out of it's current heirarchy, hide it, and then
 506  * send a message to the owner requesting that the window be destroyed.
 507  */
 508 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
 509
 510 void _gdk_windowing_display_set_sm_client_id (GdkDisplay  *display,
 511                                               const gchar *sm_client_id);
 512
 513 void _gdk_windowing_window_set_composited (GdkWindow *window,
 514                                            gboolean composited);
 515
 516 #define GDK_TYPE_PAINTABLE            (_gdk_paintable_get_type ())
 517 #define GDK_PAINTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
 518 #define GDK_IS_PAINTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
 519 #define GDK_PAINTABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
 520
 521 typedef struct _GdkPaintable        GdkPaintable;
 522 typedef struct _GdkPaintableIface   GdkPaintableIface;
 523
 524 struct _GdkPaintableIface
 525 {
 526   GTypeInterface g_iface;
 527
 528   void (* begin_paint_region)       (GdkPaintable    *paintable,
 529                                      GdkWindow       *window,
 530                                      const cairo_region_t *region);
 531   void (* end_paint)                (GdkPaintable    *paintable);
 532 };
 533
 534 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
 535
 536 /* Implementation types */
 537 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
 538 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
 539
 540
 541 /**
 542  * _gdk_windowing_gc_set_clip_region:
 543  * @gc: a #GdkGC
 544  * @region: the new clip region
 545  * @reset_origin: if TRUE, reset the clip_x/y_origin values to 0
 546  *
 547  * Do any window-system specific processing necessary
 548  * for a change in clip region. Since the clip origin
 549  * will likely change before the GC is used with the
 550  * new clip, frequently this function will only set a flag and
 551  * do the real processing later.
 552  *
 553  * When this function is called, _gdk_gc_get_clip_region
 554  * will already return the new region.
 555  **/
 556 void _gdk_windowing_gc_set_clip_region (GdkGC           *gc,
 557                                         const cairo_region_t *region,
 558                                         gboolean reset_origin);
 559
 560 /**
 561  * _gdk_windowing_gc_copy:
 562  * @dst_gc: a #GdkGC from the GDK backend
 563  * @src_gc: a #GdkGC from the GDK backend
 564  *
 565  * Copies backend specific state from @src_gc to @dst_gc.
 566  * This is called before the generic state is copied, so
 567  * the old generic state is still available from @dst_gc
 568  **/
 569 void _gdk_windowing_gc_copy (GdkGC *dst_gc,
 570                              GdkGC *src_gc);
 571
 572 /* Queries the current foreground color of a GdkGC */
 573 void _gdk_windowing_gc_get_foreground (GdkGC    *gc,
 574                                        GdkColor *color);
 575 /* Queries the current background color of a GdkGC */
 576 void _gdk_windowing_gc_get_background (GdkGC    *gc,
 577                                        GdkColor *color);
 578
 579 struct GdkAppLaunchContextPrivate
 580 {
 581   GdkDisplay *display;
 582   GdkScreen *screen;
 583   gint workspace;
 584   guint32 timestamp;
 585   GIcon *icon;
 586   char *icon_name;
 587 };
 588
 589 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
 590                                             GAppInfo          *info,
 591                                             GList             *files);
 592 void  _gdk_windowing_launch_failed         (GAppLaunchContext *context,
 593                                             const char        *startup_notify_id);
 594
 595 void _gdk_display_device_grab_update                     (GdkDisplay *display,
 596                                                           GdkDevice  *device,
 597                                                           gulong      current_serial);
 598 GdkDeviceGrabInfo  *_gdk_display_get_last_device_grab  (GdkDisplay *display,
 599                                                         GdkDevice  *device);
 600 GdkDeviceGrabInfo  *_gdk_display_add_device_grab   (GdkDisplay       *display,
 601                                                     GdkDevice        *device,
 602                                                     GdkWindow        *window,
 603                                                     GdkWindow        *native_window,
 604                                                     GdkGrabOwnership  grab_ownership,
 605                                                     gboolean          owner_events,
 606                                                     GdkEventMask      event_mask,
 607                                                     unsigned long     serial_start,
 608                                                     guint32           time,
 609                                                     gboolean          implicit);
 610 GdkDeviceGrabInfo  * _gdk_display_has_device_grab  (GdkDisplay *display,
 611                                                     GdkDevice  *device,
 612                                                     gulong      serial);
 613 gboolean _gdk_display_end_device_grab  (GdkDisplay *display,
 614                                         GdkDevice  *device,
 615                                         gulong      serial,
 616                                         GdkWindow  *if_child,
 617                                         gboolean    implicit);
 618 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
 619                                             GdkDevice  *device,
 620                                             gulong      serial);
 621 void _gdk_display_enable_motion_hints     (GdkDisplay *display,
 622                                            GdkDevice  *device);
 623
 624 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
 625                                                       GdkDevice  *device);
 626
 627 void _gdk_display_pointer_info_foreach (GdkDisplay                   *display,
 628                                         GdkDisplayPointerInfoForeach  func,
 629                                         gpointer                      user_data);
 630
 631 void _gdk_window_invalidate_for_expose (GdkWindow       *window,
 632                                         cairo_region_t       *region);
 633
 634 void _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
 635                                             int width,
 636                                             int height);
 637
 638 cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
 639                                                        int width,
 640                                                        int height);
 641 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
 642                                        int x, int y);
 643 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
 644                                             double x, double y,
 645                                             double *found_x,
 646                                             double *found_y);
 647
 648 void _gdk_window_add_damage (GdkWindow *toplevel,
 649                              cairo_region_t *damaged_region);
 650
 651 GdkEvent * _gdk_make_event (GdkWindow    *window,
 652                             GdkEventType  type,
 653                             GdkEvent     *event_in_queue,
 654                             gboolean      before_event);
 655 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
 656                                       GdkWindow *child);
 657
 658 void _gdk_synthesize_crossing_events (GdkDisplay                 *display,
 659                                       GdkWindow                  *src,
 660                                       GdkWindow                  *dest,
 661                                       GdkDevice                  *device,
 662                                       GdkCrossingMode             mode,
 663                                       gint                        toplevel_x,
 664                                       gint                        toplevel_y,
 665                                       GdkModifierType             mask,
 666                                       guint32                     time_,
 667                                       GdkEvent                   *event_in_queue,
 668                                       gulong                      serial,
 669                                       gboolean                    non_linear);
 670 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
 671                                             GdkDevice  *device,
 672                                             GdkWindow  *window);
 673
 674
 675 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
 676
 677 cairo_region_t *_gdk_window_calculate_full_clip_region    (GdkWindow     *window,
 678                                                       GdkWindow     *base_window,
 679                                                       gboolean       do_children,
 680                                                       gint          *base_x_offset,
 681                                                       gint          *base_y_offset);
 682 gboolean    _gdk_window_has_impl (GdkWindow *window);
 683 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
 684 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
 685                                                    GdkEventType event_type,
 686                                                    int x, int y,
 687                                                    gulong serial);
 688
 689 /*****************************
 690  * offscreen window routines *
 691  *****************************/
 692 GType gdk_offscreen_window_get_type (void);
 693 void       _gdk_offscreen_window_new                 (GdkWindow     *window,
 694                                                       GdkScreen     *screen,
 695                                                       GdkVisual     *visual,
 696                                                       GdkWindowAttr *attributes,
 697                                                       gint           attributes_mask);
 698
 699
 700 /************************************
 701  * Initialization and exit routines *
 702  ************************************/
 703
 704 void _gdk_image_exit  (void);
 705 void _gdk_windowing_exit (void);
 706
 707 G_END_DECLS
 708
 709 #endif /* __GDK_INTERNALS_H__ */