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 struct _GdkWindowObject
 192 {
 193   /* vvvvvvv THIS PART IS PUBLIC. DON'T CHANGE vvvvvvvvvvvvvv */
 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   GdkRegion *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   /* ^^^^^^^^^^ THIS PART IS PUBLIC. DON'T CHANGE ^^^^^^^^^^ */
 243
 244   /* The GdkWindowObject that has the impl, ref:ed if another window.
 245    * This ref is required to keep the wrapper of the impl window alive
 246    * for as long as any GdkWindow references the impl. */
 247   GdkWindowObject *impl_window;
 248   int abs_x, abs_y; /* Absolute offset in impl */
 249   gint width, height;
 250   guint32 clip_tag;
 251   GdkRegion *clip_region; /* Clip region (wrt toplevel) in window coords */
 252   GdkRegion *clip_region_with_children; /* Clip region in window coords */
 253   GdkCursor *cursor;
 254   GHashTable *device_cursor;
 255   gint8 toplevel_window_type;
 256   guint synthesize_crossing_event_queued : 1;
 257   guint effective_visibility : 2;
 258   guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
 259   guint native_visibility : 2; /* the native visibility of a impl windows */
 260   guint viewable : 1; /* mapped and all parents mapped */
 261   guint applied_shape : 1;
 262
 263   guint num_offscreen_children;
 264   GdkWindowPaint *implicit_paint;
 265   GdkInputWindow *input_window; /* only set for impl windows */
 266
 267   GList *outstanding_moves;
 268
 269   GdkRegion *shape;
 270   GdkRegion *input_shape;
 271
 272   cairo_surface_t *cairo_surface;
 273   guint outstanding_surfaces; /* only set on impl window */
 274
 275   GList *devices_inside;
 276   GHashTable *device_events;
 277 };
 278
 279 #define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
 280 #define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
 281
 282 extern GdkEventFunc   _gdk_event_func;    /* Callback for events */
 283 extern gpointer       _gdk_event_data;
 284 extern GDestroyNotify _gdk_event_notify;
 285
 286 extern GSList    *_gdk_displays;
 287 extern gchar     *_gdk_display_name;
 288 extern gint       _gdk_screen_number;
 289 extern gchar     *_gdk_display_arg_name;
 290 extern gboolean   _gdk_enable_multidevice;
 291
 292 void      _gdk_events_queue  (GdkDisplay *display);
 293 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
 294
 295 GList* _gdk_event_queue_find_first   (GdkDisplay *display);
 296 void   _gdk_event_queue_remove_link  (GdkDisplay *display,
 297                                       GList      *node);
 298 GList* _gdk_event_queue_prepend      (GdkDisplay *display,
 299                                       GdkEvent   *event);
 300 GList* _gdk_event_queue_append       (GdkDisplay *display,
 301                                       GdkEvent   *event);
 302 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
 303                                       GdkEvent   *after_event,
 304                                       GdkEvent   *event);
 305 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
 306                                       GdkEvent   *after_event,
 307                                       GdkEvent   *event);
 308 void   _gdk_event_button_generate    (GdkDisplay *display,
 309                                       GdkEvent   *event);
 310
 311 void _gdk_windowing_event_data_copy (const GdkEvent *src,
 312                                      GdkEvent       *dst);
 313 void _gdk_windowing_event_data_free (GdkEvent       *event);
 314
 315 void gdk_synthesize_window_state (GdkWindow     *window,
 316                                   GdkWindowState unset_flags,
 317                                   GdkWindowState set_flags);
 318
 319 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
 320
 321
 322 #define GDK_SCRATCH_IMAGE_WIDTH 256
 323 #define GDK_SCRATCH_IMAGE_HEIGHT 64
 324
 325 GdkImage* _gdk_image_new_for_depth (GdkScreen    *screen,
 326                                     GdkImageType  type,
 327                                     GdkVisual    *visual,
 328                                     gint          width,
 329                                     gint          height,
 330                                     gint          depth);
 331 GdkImage *_gdk_image_get_scratch (GdkScreen *screen,
 332                                   gint       width,
 333                                   gint       height,
 334                                   gint       depth,
 335                                   gint      *x,
 336                                   gint      *y);
 337
 338 GdkImage *_gdk_drawable_copy_to_image (GdkDrawable  *drawable,
 339                                        GdkImage     *image,
 340                                        gint          src_x,
 341                                        gint          src_y,
 342                                        gint          dest_x,
 343                                        gint          dest_y,
 344                                        gint          width,
 345                                        gint          height);
 346
 347 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
 348
 349 GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable);
 350 cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable,
 351                                                       int width,
 352                                                       int height);
 353
 354 /* GC caching */
 355 GdkGC *_gdk_drawable_get_scratch_gc (GdkDrawable *drawable,
 356                                      gboolean     graphics_exposures);
 357 GdkGC *_gdk_drawable_get_subwindow_scratch_gc (GdkDrawable *drawable);
 358
 359 void _gdk_gc_update_context (GdkGC          *gc,
 360                              cairo_t        *cr,
 361                              const GdkColor *override_foreground,
 362                              GdkBitmap      *override_stipple,
 363                              gboolean        gc_changed,
 364                              GdkDrawable    *target_drawable);
 365
 366 /*************************************
 367  * Interfaces used by windowing code *
 368  *************************************/
 369
 370 GdkPixmap *_gdk_pixmap_new               (GdkDrawable    *drawable,
 371                                           gint            width,
 372                                           gint            height,
 373                                           gint            depth);
 374 GdkPixmap *_gdk_pixmap_create_from_data  (GdkDrawable    *drawable,
 375                                           const gchar    *data,
 376                                           gint            width,
 377                                           gint            height,
 378                                           gint            depth,
 379                                           const GdkColor *fg,
 380                                           const GdkColor *bg);
 381 GdkPixmap *_gdk_bitmap_create_from_data  (GdkDrawable    *drawable,
 382                                           const gchar    *data,
 383                                           gint            width,
 384                                           gint            height);
 385
 386 void       _gdk_window_impl_new          (GdkWindow      *window,
 387                                           GdkWindow      *real_parent,
 388                                           GdkScreen      *screen,
 389                                           GdkVisual      *visual,
 390                                           GdkEventMask    event_mask,
 391                                           GdkWindowAttr  *attributes,
 392                                           gint            attributes_mask);
 393 void       _gdk_window_destroy           (GdkWindow      *window,
 394                                           gboolean        foreign_destroy);
 395 void       _gdk_window_clear_update_area (GdkWindow      *window);
 396 void       _gdk_window_update_size       (GdkWindow      *window);
 397 gboolean   _gdk_window_update_viewable   (GdkWindow      *window);
 398
 399 void       _gdk_window_process_updates_recurse (GdkWindow *window,
 400                                                 GdkRegion *expose_region);
 401
 402 void       _gdk_screen_close             (GdkScreen      *screen);
 403
 404 const char *_gdk_get_sm_client_id (void);
 405
 406 void _gdk_gc_init (GdkGC           *gc,
 407                    GdkDrawable     *drawable,
 408                    GdkGCValues     *values,
 409                    GdkGCValuesMask  values_mask);
 410
 411 GdkRegion *_gdk_gc_get_clip_region (GdkGC *gc);
 412 GdkBitmap *_gdk_gc_get_clip_mask   (GdkGC *gc);
 413 gboolean   _gdk_gc_get_exposures   (GdkGC *gc);
 414 GdkFill    _gdk_gc_get_fill        (GdkGC *gc);
 415 GdkPixmap *_gdk_gc_get_tile        (GdkGC *gc);
 416 GdkBitmap *_gdk_gc_get_stipple     (GdkGC *gc);
 417 guint32    _gdk_gc_get_fg_pixel    (GdkGC *gc);
 418 guint32    _gdk_gc_get_bg_pixel    (GdkGC *gc);
 419 void      _gdk_gc_add_drawable_clip     (GdkGC     *gc,
 420                                          guint32    region_tag,
 421                                          GdkRegion *region,
 422                                          int        offset_x,
 423                                          int        offset_y);
 424 void      _gdk_gc_remove_drawable_clip  (GdkGC     *gc);
 425 void       _gdk_gc_set_clip_region_internal (GdkGC     *gc,
 426                                              GdkRegion *region,
 427                                              gboolean reset_origin);
 428 GdkSubwindowMode _gdk_gc_get_subwindow (GdkGC *gc);
 429
 430 GdkDrawable *_gdk_drawable_begin_direct_draw (GdkDrawable *drawable,
 431                                               GdkGC *gc,
 432                                               gpointer *priv_data,
 433                                               gint *x_offset_out,
 434                                               gint *y_offset_out);
 435 void         _gdk_drawable_end_direct_draw (gpointer priv_data);
 436
 437
 438 /*****************************************
 439  * Interfaces provided by windowing code *
 440  *****************************************/
 441
 442 /* Font/string functions implemented in module-specific code */
 443
 444 void _gdk_colormap_real_destroy (GdkColormap *colormap);
 445
 446 void _gdk_cursor_destroy (GdkCursor *cursor);
 447
 448 void     _gdk_windowing_init                    (void);
 449
 450 extern const GOptionEntry _gdk_windowing_args[];
 451 void     _gdk_windowing_set_default_display     (GdkDisplay *display);
 452
 453 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
 454                                                 gint         screen_number);
 455
 456 gulong   _gdk_windowing_window_get_next_serial  (GdkDisplay *display);
 457 void     _gdk_windowing_window_get_offsets      (GdkWindow  *window,
 458                                                  gint       *x_offset,
 459                                                  gint       *y_offset);
 460 GdkRegion *_gdk_windowing_window_get_shape      (GdkWindow  *window);
 461 GdkRegion *_gdk_windowing_window_get_input_shape(GdkWindow  *window);
 462 GdkRegion *_gdk_windowing_get_shape_for_mask    (GdkBitmap *mask);
 463 void     _gdk_windowing_window_beep             (GdkWindow *window);
 464
 465
 466 void       _gdk_windowing_get_device_state   (GdkDisplay       *display,
 467                                               GdkDevice        *device,
 468                                               GdkScreen       **screen,
 469                                               gint             *x,
 470                                               gint             *y,
 471                                               GdkModifierType  *mask);
 472 GdkWindow* _gdk_windowing_window_at_device_position  (GdkDisplay       *display,
 473                                                       GdkDevice        *device,
 474                                                       gint             *win_x,
 475                                                       gint             *win_y,
 476                                                       GdkModifierType  *mask,
 477                                                       gboolean          get_toplevel);
 478 GdkGrabStatus _gdk_windowing_device_grab     (GdkDevice        *device,
 479                                               GdkWindow        *window,
 480                                               GdkWindow        *native,
 481                                               gboolean          owner_events,
 482                                               GdkEventMask      event_mask,
 483                                               GdkWindow        *confine_to,
 484                                               GdkCursor        *cursor,
 485                                               guint32           time);
 486 void _gdk_windowing_got_event                (GdkDisplay       *display,
 487                                               GList            *event_link,
 488                                               GdkEvent         *event,
 489                                               gulong            serial);
 490
 491 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
 492                                                     GdkRegion *expose_region);
 493 void _gdk_windowing_before_process_all_updates     (void);
 494 void _gdk_windowing_after_process_all_updates      (void);
 495
 496 /* Return the number of bits-per-pixel for images of the specified depth. */
 497 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
 498                                         gint        depth);
 499
 500
 501 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
 502
 503
 504 /* Called when gdk_window_destroy() is called on a foreign window
 505  * or an ancestor of the foreign window. It should generally reparent
 506  * the window out of it's current heirarchy, hide it, and then
 507  * send a message to the owner requesting that the window be destroyed.
 508  */
 509 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
 510
 511 void _gdk_windowing_display_set_sm_client_id (GdkDisplay  *display,
 512                                               const gchar *sm_client_id);
 513
 514 void _gdk_windowing_window_set_composited (GdkWindow *window,
 515                                            gboolean composited);
 516
 517 #define GDK_TYPE_PAINTABLE            (_gdk_paintable_get_type ())
 518 #define GDK_PAINTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
 519 #define GDK_IS_PAINTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
 520 #define GDK_PAINTABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
 521
 522 typedef struct _GdkPaintable        GdkPaintable;
 523 typedef struct _GdkPaintableIface   GdkPaintableIface;
 524
 525 struct _GdkPaintableIface
 526 {
 527   GTypeInterface g_iface;
 528
 529   void (* begin_paint_region)       (GdkPaintable    *paintable,
 530                                      GdkWindow       *window,
 531                                      const GdkRegion *region);
 532   void (* end_paint)                (GdkPaintable    *paintable);
 533 };
 534
 535 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
 536
 537 /* Implementation types */
 538 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
 539 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
 540
 541
 542 /**
 543  * _gdk_windowing_gc_set_clip_region:
 544  * @gc: a #GdkGC
 545  * @region: the new clip region
 546  * @reset_origin: if TRUE, reset the clip_x/y_origin values to 0
 547  *
 548  * Do any window-system specific processing necessary
 549  * for a change in clip region. Since the clip origin
 550  * will likely change before the GC is used with the
 551  * new clip, frequently this function will only set a flag and
 552  * do the real processing later.
 553  *
 554  * When this function is called, _gdk_gc_get_clip_region
 555  * will already return the new region.
 556  **/
 557 void _gdk_windowing_gc_set_clip_region (GdkGC           *gc,
 558                                         const GdkRegion *region,
 559                                         gboolean reset_origin);
 560
 561 /**
 562  * _gdk_windowing_gc_copy:
 563  * @dst_gc: a #GdkGC from the GDK backend
 564  * @src_gc: a #GdkGC from the GDK backend
 565  *
 566  * Copies backend specific state from @src_gc to @dst_gc.
 567  * This is called before the generic state is copied, so
 568  * the old generic state is still available from @dst_gc
 569  **/
 570 void _gdk_windowing_gc_copy (GdkGC *dst_gc,
 571                              GdkGC *src_gc);
 572
 573 /* Queries the current foreground color of a GdkGC */
 574 void _gdk_windowing_gc_get_foreground (GdkGC    *gc,
 575                                        GdkColor *color);
 576 /* Queries the current background color of a GdkGC */
 577 void _gdk_windowing_gc_get_background (GdkGC    *gc,
 578                                        GdkColor *color);
 579
 580 struct GdkAppLaunchContextPrivate
 581 {
 582   GdkDisplay *display;
 583   GdkScreen *screen;
 584   gint workspace;
 585   guint32 timestamp;
 586   GIcon *icon;
 587   char *icon_name;
 588 };
 589
 590 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
 591                                             GAppInfo          *info,
 592                                             GList             *files);
 593 void  _gdk_windowing_launch_failed         (GAppLaunchContext *context,
 594                                             const char        *startup_notify_id);
 595
 596 void _gdk_display_device_grab_update                     (GdkDisplay *display,
 597                                                           GdkDevice  *device,
 598                                                           gulong      current_serial);
 599 GdkDeviceGrabInfo  *_gdk_display_get_last_device_grab  (GdkDisplay *display,
 600                                                         GdkDevice  *device);
 601 GdkDeviceGrabInfo  *_gdk_display_add_device_grab   (GdkDisplay       *display,
 602                                                     GdkDevice        *device,
 603                                                     GdkWindow        *window,
 604                                                     GdkWindow        *native_window,
 605                                                     GdkGrabOwnership  grab_ownership,
 606                                                     gboolean          owner_events,
 607                                                     GdkEventMask      event_mask,
 608                                                     unsigned long     serial_start,
 609                                                     guint32           time,
 610                                                     gboolean          implicit);
 611 GdkDeviceGrabInfo  * _gdk_display_has_device_grab  (GdkDisplay *display,
 612                                                     GdkDevice  *device,
 613                                                     gulong      serial);
 614 gboolean _gdk_display_end_device_grab  (GdkDisplay *display,
 615                                         GdkDevice  *device,
 616                                         gulong      serial,
 617                                         GdkWindow  *if_child,
 618                                         gboolean    implicit);
 619 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
 620                                             GdkDevice  *device,
 621                                             gulong      serial);
 622 void _gdk_display_enable_motion_hints     (GdkDisplay *display,
 623                                            GdkDevice  *device);
 624
 625 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
 626                                                       GdkDevice  *device);
 627
 628 void _gdk_display_pointer_info_foreach (GdkDisplay                   *display,
 629                                         GdkDisplayPointerInfoForeach  func,
 630                                         gpointer                      user_data);
 631
 632 void _gdk_window_invalidate_for_expose (GdkWindow       *window,
 633                                         GdkRegion       *region);
 634
 635 void _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
 636                                             int width,
 637                                             int height);
 638
 639 cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
 640                                                        int width,
 641                                                        int height);
 642 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
 643                                        int x, int y);
 644 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
 645                                             double x, double y,
 646                                             double *found_x,
 647                                             double *found_y);
 648
 649 void _gdk_window_add_damage (GdkWindow *toplevel,
 650                              GdkRegion *damaged_region);
 651
 652 GdkEvent * _gdk_make_event (GdkWindow    *window,
 653                             GdkEventType  type,
 654                             GdkEvent     *event_in_queue,
 655                             gboolean      before_event);
 656 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
 657                                       GdkWindow *child);
 658
 659 void _gdk_synthesize_crossing_events (GdkDisplay                 *display,
 660                                       GdkWindow                  *src,
 661                                       GdkWindow                  *dest,
 662                                       GdkDevice                  *device,
 663                                       GdkCrossingMode             mode,
 664                                       gint                        toplevel_x,
 665                                       gint                        toplevel_y,
 666                                       GdkModifierType             mask,
 667                                       guint32                     time_,
 668                                       GdkEvent                   *event_in_queue,
 669                                       gulong                      serial,
 670                                       gboolean                    non_linear);
 671 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
 672                                             GdkDevice  *device,
 673                                             GdkWindow  *window);
 674
 675
 676 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
 677
 678 GdkRegion *_gdk_window_calculate_full_clip_region    (GdkWindow     *window,
 679                                                       GdkWindow     *base_window,
 680                                                       gboolean       do_children,
 681                                                       gint          *base_x_offset,
 682                                                       gint          *base_y_offset);
 683 gboolean    _gdk_window_has_impl (GdkWindow *window);
 684 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
 685 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
 686                                                    GdkEventType event_type,
 687                                                    int x, int y,
 688                                                    gulong serial);
 689
 690 /*****************************
 691  * offscreen window routines *
 692  *****************************/
 693 GType gdk_offscreen_window_get_type (void);
 694 void       _gdk_offscreen_window_new                 (GdkWindow     *window,
 695                                                       GdkScreen     *screen,
 696                                                       GdkVisual     *visual,
 697                                                       GdkWindowAttr *attributes,
 698                                                       gint           attributes_mask);
 699
 700
 701 /************************************
 702  * Initialization and exit routines *
 703  ************************************/
 704
 705 void _gdk_image_exit  (void);
 706 void _gdk_windowing_exit (void);
 707
 708 G_END_DECLS
 709
 710 #endif /* __GDK_INTERNALS_H__ */