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 #ifndef GDK_DISABLE_DEPRECATED
  93
  94 typedef struct _GdkFontPrivate         GdkFontPrivate;
  95
  96 struct _GdkFontPrivate
  97 {
  98   GdkFont font;
  99   guint ref_count;
 100 };
 101
 102 #endif /* GDK_DISABLE_DEPRECATED */
 103
 104 extern GList            *_gdk_default_filters;
 105 extern GdkWindow        *_gdk_parent_root;
 106 extern gint              _gdk_error_code;
 107 extern gint              _gdk_error_warnings;
 108
 109 extern guint _gdk_debug_flags;
 110 extern gboolean _gdk_native_windows;
 111
 112 #ifdef G_ENABLE_DEBUG
 113
 114 #define GDK_NOTE(type,action)                G_STMT_START { \
 115     if (_gdk_debug_flags & GDK_DEBUG_##type)                \
 116        { action; };                          } G_STMT_END
 117
 118 #else /* !G_ENABLE_DEBUG */
 119
 120 #define GDK_NOTE(type,action)
 121
 122 #endif /* G_ENABLE_DEBUG */
 123
 124 /* Arg parsing */
 125
 126 typedef enum
 127 {
 128   GDK_ARG_STRING,
 129   GDK_ARG_INT,
 130   GDK_ARG_BOOL,
 131   GDK_ARG_NOBOOL,
 132   GDK_ARG_CALLBACK
 133 } GdkArgType;
 134
 135 typedef struct _GdkArgContext GdkArgContext;
 136 typedef struct _GdkArgDesc GdkArgDesc;
 137
 138 typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data);
 139
 140 struct _GdkArgContext
 141 {
 142   GPtrArray *tables;
 143   gpointer cb_data;
 144 };
 145
 146 struct _GdkArgDesc
 147 {
 148   const char *name;
 149   GdkArgType type;
 150   gpointer location;
 151   GdkArgFunc callback;
 152 };
 153
 154 /* Event handling */
 155
 156 typedef struct _GdkEventPrivate GdkEventPrivate;
 157
 158 typedef enum
 159 {
 160   /* Following flag is set for events on the event queue during
 161    * translation and cleared afterwards.
 162    */
 163   GDK_EVENT_PENDING = 1 << 0
 164 } GdkEventFlags;
 165
 166 struct _GdkEventPrivate
 167 {
 168   GdkEvent   event;
 169   guint      flags;
 170   GdkScreen *screen;
 171   gpointer   windowing_data;
 172   GdkDevice *device;
 173 };
 174
 175 /* Tracks information about the pointer grab on this display */
 176 typedef struct
 177 {
 178   GdkWindow *window;
 179   GdkWindow *native_window;
 180   gulong serial_start;
 181   gulong serial_end; /* exclusive, i.e. not active on serial_end */
 182   gboolean owner_events;
 183   guint event_mask;
 184   gboolean implicit;
 185   guint32 time;
 186   GdkGrabOwnership ownership;
 187
 188   guint activated : 1;
 189   guint implicit_ungrab : 1;
 190 } GdkDeviceGrabInfo;
 191
 192 typedef struct _GdkInputWindow GdkInputWindow;
 193
 194 typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay           *display,
 195                                                GdkDevice            *device,
 196                                                GdkPointerWindowInfo *device_info,
 197                                                gpointer              user_data);
 198
 199 /* Private version of GdkWindowObject. The initial part of this strucuture
 200    is public for historical reasons. Don't change that part */
 201 typedef struct _GdkWindowPaint             GdkWindowPaint;
 202
 203 struct _GdkWindowObject
 204 {
 205   /* vvvvvvv THIS PART IS PUBLIC. DON'T CHANGE vvvvvvvvvvvvvv */
 206   GdkDrawable parent_instance;
 207
 208   GdkDrawable *impl; /* window-system-specific delegate object */
 209
 210   GdkWindowObject *parent;
 211
 212   gpointer user_data;
 213
 214   gint x;
 215   gint y;
 216
 217   gint extension_events;
 218
 219   GList *filters;
 220   GList *children;
 221
 222   GdkColor bg_color;
 223   GdkPixmap *bg_pixmap;
 224
 225   GSList *paint_stack;
 226
 227   GdkRegion *update_area;
 228   guint update_freeze_count;
 229
 230   guint8 window_type;
 231   guint8 depth;
 232   guint8 resize_count;
 233
 234   GdkWindowState state;
 235
 236   guint guffaw_gravity : 1;
 237   guint input_only : 1;
 238   guint modal_hint : 1;
 239   guint composited : 1;
 240
 241   guint destroyed : 2;
 242
 243   guint accept_focus : 1;
 244   guint focus_on_map : 1;
 245   guint shaped : 1;
 246   guint support_multidevice : 1;
 247
 248   GdkEventMask event_mask;
 249
 250   guint update_and_descendants_freeze_count;
 251
 252   GdkWindowRedirect *redirect;
 253
 254   /* ^^^^^^^^^^ THIS PART IS PUBLIC. DON'T CHANGE ^^^^^^^^^^ */
 255
 256   /* The GdkWindowObject that has the impl, ref:ed if another window.
 257    * This ref is required to keep the wrapper of the impl window alive
 258    * for as long as any GdkWindow references the impl. */
 259   GdkWindowObject *impl_window;
 260   int abs_x, abs_y; /* Absolute offset in impl */
 261   gint width, height;
 262   guint32 clip_tag;
 263   GdkRegion *clip_region; /* Clip region (wrt toplevel) in window coords */
 264   GdkRegion *clip_region_with_children; /* Clip region in window coords */
 265   GdkCursor *cursor;
 266   GHashTable *device_cursor;
 267   gint8 toplevel_window_type;
 268   guint synthesize_crossing_event_queued : 1;
 269   guint effective_visibility : 2;
 270   guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
 271   guint native_visibility : 2; /* the native visibility of a impl windows */
 272   guint viewable : 1; /* mapped and all parents mapped */
 273   guint applied_shape : 1;
 274
 275   guint num_offscreen_children;
 276   GdkWindowPaint *implicit_paint;
 277   GdkInputWindow *input_window; /* only set for impl windows */
 278
 279   GList *outstanding_moves;
 280
 281   GdkRegion *shape;
 282   GdkRegion *input_shape;
 283
 284   cairo_surface_t *cairo_surface;
 285   guint outstanding_surfaces; /* only set on impl window */
 286
 287   GList *devices_inside;
 288   GHashTable *device_events;
 289 };
 290
 291 #define GDK_WINDOW_TYPE(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->window_type)
 292 #define GDK_WINDOW_DESTROYED(d) (((GdkWindowObject*)(GDK_WINDOW (d)))->destroyed)
 293
 294 extern GdkEventFunc   _gdk_event_func;    /* Callback for events */
 295 extern gpointer       _gdk_event_data;
 296 extern GDestroyNotify _gdk_event_notify;
 297
 298 extern GSList    *_gdk_displays;
 299 extern gchar     *_gdk_display_name;
 300 extern gint       _gdk_screen_number;
 301 extern gchar     *_gdk_display_arg_name;
 302 extern gboolean   _gdk_enable_multidevice;
 303
 304 void      _gdk_events_queue  (GdkDisplay *display);
 305 GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
 306
 307 GList* _gdk_event_queue_find_first   (GdkDisplay *display);
 308 void   _gdk_event_queue_remove_link  (GdkDisplay *display,
 309                                       GList      *node);
 310 GList* _gdk_event_queue_prepend      (GdkDisplay *display,
 311                                       GdkEvent   *event);
 312 GList* _gdk_event_queue_append       (GdkDisplay *display,
 313                                       GdkEvent   *event);
 314 GList* _gdk_event_queue_insert_after (GdkDisplay *display,
 315                                       GdkEvent   *after_event,
 316                                       GdkEvent   *event);
 317 GList* _gdk_event_queue_insert_before(GdkDisplay *display,
 318                                       GdkEvent   *after_event,
 319                                       GdkEvent   *event);
 320 void   _gdk_event_button_generate    (GdkDisplay *display,
 321                                       GdkEvent   *event);
 322
 323 void _gdk_windowing_event_data_copy (const GdkEvent *src,
 324                                      GdkEvent       *dst);
 325 void _gdk_windowing_event_data_free (GdkEvent       *event);
 326
 327 void gdk_synthesize_window_state (GdkWindow     *window,
 328                                   GdkWindowState unset_flags,
 329                                   GdkWindowState set_flags);
 330
 331 GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
 332
 333
 334 #define GDK_SCRATCH_IMAGE_WIDTH 256
 335 #define GDK_SCRATCH_IMAGE_HEIGHT 64
 336
 337 GdkImage* _gdk_image_new_for_depth (GdkScreen    *screen,
 338                                     GdkImageType  type,
 339                                     GdkVisual    *visual,
 340                                     gint          width,
 341                                     gint          height,
 342                                     gint          depth);
 343 GdkImage *_gdk_image_get_scratch (GdkScreen *screen,
 344                                   gint       width,
 345                                   gint       height,
 346                                   gint       depth,
 347                                   gint      *x,
 348                                   gint      *y);
 349
 350 GdkImage *_gdk_drawable_copy_to_image (GdkDrawable  *drawable,
 351                                        GdkImage     *image,
 352                                        gint          src_x,
 353                                        gint          src_y,
 354                                        gint          dest_x,
 355                                        gint          dest_y,
 356                                        gint          width,
 357                                        gint          height);
 358
 359 cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable);
 360
 361 GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable);
 362 cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable,
 363                                                       int width,
 364                                                       int height);
 365
 366 /* GC caching */
 367 GdkGC *_gdk_drawable_get_scratch_gc (GdkDrawable *drawable,
 368                                      gboolean     graphics_exposures);
 369 GdkGC *_gdk_drawable_get_subwindow_scratch_gc (GdkDrawable *drawable);
 370
 371 void _gdk_gc_update_context (GdkGC          *gc,
 372                              cairo_t        *cr,
 373                              const GdkColor *override_foreground,
 374                              GdkBitmap      *override_stipple,
 375                              gboolean        gc_changed,
 376                              GdkDrawable    *target_drawable);
 377
 378 /*************************************
 379  * Interfaces used by windowing code *
 380  *************************************/
 381
 382 GdkPixmap *_gdk_pixmap_new               (GdkDrawable    *drawable,
 383                                           gint            width,
 384                                           gint            height,
 385                                           gint            depth);
 386 GdkPixmap *_gdk_pixmap_create_from_data  (GdkDrawable    *drawable,
 387                                           const gchar    *data,
 388                                           gint            width,
 389                                           gint            height,
 390                                           gint            depth,
 391                                           const GdkColor *fg,
 392                                           const GdkColor *bg);
 393 GdkPixmap *_gdk_bitmap_create_from_data  (GdkDrawable    *drawable,
 394                                           const gchar    *data,
 395                                           gint            width,
 396                                           gint            height);
 397
 398 void       _gdk_window_impl_new          (GdkWindow      *window,
 399                                           GdkWindow      *real_parent,
 400                                           GdkScreen      *screen,
 401                                           GdkVisual      *visual,
 402                                           GdkEventMask    event_mask,
 403                                           GdkWindowAttr  *attributes,
 404                                           gint            attributes_mask);
 405 void       _gdk_window_destroy           (GdkWindow      *window,
 406                                           gboolean        foreign_destroy);
 407 void       _gdk_window_clear_update_area (GdkWindow      *window);
 408 void       _gdk_window_update_size       (GdkWindow      *window);
 409 gboolean   _gdk_window_update_viewable   (GdkWindow      *window);
 410
 411 void       _gdk_window_process_updates_recurse (GdkWindow *window,
 412                                                 GdkRegion *expose_region);
 413
 414 void       _gdk_screen_close             (GdkScreen      *screen);
 415
 416 const char *_gdk_get_sm_client_id (void);
 417
 418 void _gdk_gc_init (GdkGC           *gc,
 419                    GdkDrawable     *drawable,
 420                    GdkGCValues     *values,
 421                    GdkGCValuesMask  values_mask);
 422
 423 GdkRegion *_gdk_gc_get_clip_region (GdkGC *gc);
 424 GdkBitmap *_gdk_gc_get_clip_mask   (GdkGC *gc);
 425 gboolean   _gdk_gc_get_exposures   (GdkGC *gc);
 426 GdkFill    _gdk_gc_get_fill        (GdkGC *gc);
 427 GdkPixmap *_gdk_gc_get_tile        (GdkGC *gc);
 428 GdkBitmap *_gdk_gc_get_stipple     (GdkGC *gc);
 429 guint32    _gdk_gc_get_fg_pixel    (GdkGC *gc);
 430 guint32    _gdk_gc_get_bg_pixel    (GdkGC *gc);
 431 void      _gdk_gc_add_drawable_clip     (GdkGC     *gc,
 432                                          guint32    region_tag,
 433                                          GdkRegion *region,
 434                                          int        offset_x,
 435                                          int        offset_y);
 436 void      _gdk_gc_remove_drawable_clip  (GdkGC     *gc);
 437 void       _gdk_gc_set_clip_region_internal (GdkGC     *gc,
 438                                              GdkRegion *region,
 439                                              gboolean reset_origin);
 440 GdkSubwindowMode _gdk_gc_get_subwindow (GdkGC *gc);
 441
 442 GdkDrawable *_gdk_drawable_begin_direct_draw (GdkDrawable *drawable,
 443                                               GdkGC *gc,
 444                                               gpointer *priv_data,
 445                                               gint *x_offset_out,
 446                                               gint *y_offset_out);
 447 void         _gdk_drawable_end_direct_draw (gpointer priv_data);
 448
 449
 450 /*****************************************
 451  * Interfaces provided by windowing code *
 452  *****************************************/
 453
 454 /* Font/string functions implemented in module-specific code */
 455 gint _gdk_font_strlen (GdkFont *font, const char *str);
 456 void _gdk_font_destroy (GdkFont *font);
 457
 458 void _gdk_colormap_real_destroy (GdkColormap *colormap);
 459
 460 void _gdk_cursor_destroy (GdkCursor *cursor);
 461
 462 void     _gdk_windowing_init                    (void);
 463
 464 extern const GOptionEntry _gdk_windowing_args[];
 465 void     _gdk_windowing_set_default_display     (GdkDisplay *display);
 466
 467 gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name,
 468                                                 gint         screen_number);
 469
 470 gulong   _gdk_windowing_window_get_next_serial  (GdkDisplay *display);
 471 void     _gdk_windowing_window_get_offsets      (GdkWindow  *window,
 472                                                  gint       *x_offset,
 473                                                  gint       *y_offset);
 474 GdkRegion *_gdk_windowing_window_get_shape      (GdkWindow  *window);
 475 GdkRegion *_gdk_windowing_window_get_input_shape(GdkWindow  *window);
 476 GdkRegion *_gdk_windowing_get_shape_for_mask    (GdkBitmap *mask);
 477 void     _gdk_windowing_window_beep             (GdkWindow *window);
 478
 479
 480 void       _gdk_windowing_get_device_state   (GdkDisplay       *display,
 481                                               GdkDevice        *device,
 482                                               GdkScreen       **screen,
 483                                               gint             *x,
 484                                               gint             *y,
 485                                               GdkModifierType  *mask);
 486 GdkWindow* _gdk_windowing_window_at_device_position  (GdkDisplay       *display,
 487                                                       GdkDevice        *device,
 488                                                       gint             *win_x,
 489                                                       gint             *win_y,
 490                                                       GdkModifierType  *mask,
 491                                                       gboolean          get_toplevel);
 492 GdkGrabStatus _gdk_windowing_device_grab     (GdkDevice        *device,
 493                                               GdkWindow        *window,
 494                                               GdkWindow        *native,
 495                                               gboolean          owner_events,
 496                                               GdkEventMask      event_mask,
 497                                               GdkWindow        *confine_to,
 498                                               GdkCursor        *cursor,
 499                                               guint32           time);
 500 void _gdk_windowing_got_event                (GdkDisplay       *display,
 501                                               GList            *event_link,
 502                                               GdkEvent         *event,
 503                                               gulong            serial);
 504
 505 void _gdk_windowing_window_process_updates_recurse (GdkWindow *window,
 506                                                     GdkRegion *expose_region);
 507 void _gdk_windowing_before_process_all_updates     (void);
 508 void _gdk_windowing_after_process_all_updates      (void);
 509
 510 /* Return the number of bits-per-pixel for images of the specified depth. */
 511 gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display,
 512                                         gint        depth);
 513
 514
 515 #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0)
 516
 517
 518 /* Called when gdk_window_destroy() is called on a foreign window
 519  * or an ancestor of the foreign window. It should generally reparent
 520  * the window out of it's current heirarchy, hide it, and then
 521  * send a message to the owner requesting that the window be destroyed.
 522  */
 523 void _gdk_windowing_window_destroy_foreign (GdkWindow *window);
 524
 525 void _gdk_windowing_display_set_sm_client_id (GdkDisplay  *display,
 526                                               const gchar *sm_client_id);
 527
 528 void _gdk_windowing_window_set_composited (GdkWindow *window,
 529                                            gboolean composited);
 530
 531 #define GDK_TYPE_PAINTABLE            (_gdk_paintable_get_type ())
 532 #define GDK_PAINTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable))
 533 #define GDK_IS_PAINTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE))
 534 #define GDK_PAINTABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface))
 535
 536 typedef struct _GdkPaintable        GdkPaintable;
 537 typedef struct _GdkPaintableIface   GdkPaintableIface;
 538
 539 struct _GdkPaintableIface
 540 {
 541   GTypeInterface g_iface;
 542
 543   void (* begin_paint_region)       (GdkPaintable    *paintable,
 544                                      GdkWindow       *window,
 545                                      const GdkRegion *region);
 546   void (* end_paint)                (GdkPaintable    *paintable);
 547 };
 548
 549 GType _gdk_paintable_get_type (void) G_GNUC_CONST;
 550
 551 /* Implementation types */
 552 GType _gdk_window_impl_get_type (void) G_GNUC_CONST;
 553 GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST;
 554
 555
 556 /**
 557  * _gdk_windowing_gc_set_clip_region:
 558  * @gc: a #GdkGC
 559  * @region: the new clip region
 560  * @reset_origin: if TRUE, reset the clip_x/y_origin values to 0
 561  *
 562  * Do any window-system specific processing necessary
 563  * for a change in clip region. Since the clip origin
 564  * will likely change before the GC is used with the
 565  * new clip, frequently this function will only set a flag and
 566  * do the real processing later.
 567  *
 568  * When this function is called, _gdk_gc_get_clip_region
 569  * will already return the new region.
 570  **/
 571 void _gdk_windowing_gc_set_clip_region (GdkGC           *gc,
 572                                         const GdkRegion *region,
 573                                         gboolean reset_origin);
 574
 575 /**
 576  * _gdk_windowing_gc_copy:
 577  * @dst_gc: a #GdkGC from the GDK backend
 578  * @src_gc: a #GdkGC from the GDK backend
 579  *
 580  * Copies backend specific state from @src_gc to @dst_gc.
 581  * This is called before the generic state is copied, so
 582  * the old generic state is still available from @dst_gc
 583  **/
 584 void _gdk_windowing_gc_copy (GdkGC *dst_gc,
 585                              GdkGC *src_gc);
 586
 587 /* Queries the current foreground color of a GdkGC */
 588 void _gdk_windowing_gc_get_foreground (GdkGC    *gc,
 589                                        GdkColor *color);
 590 /* Queries the current background color of a GdkGC */
 591 void _gdk_windowing_gc_get_background (GdkGC    *gc,
 592                                        GdkColor *color);
 593
 594 struct GdkAppLaunchContextPrivate
 595 {
 596   GdkDisplay *display;
 597   GdkScreen *screen;
 598   gint workspace;
 599   guint32 timestamp;
 600   GIcon *icon;
 601   char *icon_name;
 602 };
 603
 604 char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context,
 605                                             GAppInfo          *info,
 606                                             GList             *files);
 607 void  _gdk_windowing_launch_failed         (GAppLaunchContext *context,
 608                                             const char        *startup_notify_id);
 609
 610 void _gdk_display_device_grab_update                     (GdkDisplay *display,
 611                                                           GdkDevice  *device,
 612                                                           gulong      current_serial);
 613 GdkDeviceGrabInfo  *_gdk_display_get_last_device_grab  (GdkDisplay *display,
 614                                                         GdkDevice  *device);
 615 GdkDeviceGrabInfo  *_gdk_display_add_device_grab   (GdkDisplay       *display,
 616                                                     GdkDevice        *device,
 617                                                     GdkWindow        *window,
 618                                                     GdkWindow        *native_window,
 619                                                     GdkGrabOwnership  grab_ownership,
 620                                                     gboolean          owner_events,
 621                                                     GdkEventMask      event_mask,
 622                                                     unsigned long     serial_start,
 623                                                     guint32           time,
 624                                                     gboolean          implicit);
 625 GdkDeviceGrabInfo  * _gdk_display_has_device_grab  (GdkDisplay *display,
 626                                                     GdkDevice  *device,
 627                                                     gulong      serial);
 628 gboolean _gdk_display_end_device_grab  (GdkDisplay *display,
 629                                         GdkDevice  *device,
 630                                         gulong      serial,
 631                                         GdkWindow  *if_child,
 632                                         gboolean    implicit);
 633 gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
 634                                             GdkDevice  *device,
 635                                             gulong      serial);
 636 void _gdk_display_enable_motion_hints     (GdkDisplay *display,
 637                                            GdkDevice  *device);
 638
 639 GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
 640                                                       GdkDevice  *device);
 641
 642 void _gdk_display_pointer_info_foreach (GdkDisplay                   *display,
 643                                         GdkDisplayPointerInfoForeach  func,
 644                                         gpointer                      user_data);
 645
 646 void _gdk_window_invalidate_for_expose (GdkWindow       *window,
 647                                         GdkRegion       *region);
 648
 649 void _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface,
 650                                             int width,
 651                                             int height);
 652
 653 cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
 654                                                        int width,
 655                                                        int height);
 656 GdkWindow * _gdk_window_find_child_at (GdkWindow *window,
 657                                        int x, int y);
 658 GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel,
 659                                             double x, double y,
 660                                             double *found_x,
 661                                             double *found_y);
 662
 663 void _gdk_window_add_damage (GdkWindow *toplevel,
 664                              GdkRegion *damaged_region);
 665
 666 GdkEvent * _gdk_make_event (GdkWindow    *window,
 667                             GdkEventType  type,
 668                             GdkEvent     *event_in_queue,
 669                             gboolean      before_event);
 670 gboolean _gdk_window_event_parent_of (GdkWindow *parent,
 671                                       GdkWindow *child);
 672
 673 void _gdk_synthesize_crossing_events (GdkDisplay                 *display,
 674                                       GdkWindow                  *src,
 675                                       GdkWindow                  *dest,
 676                                       GdkDevice                  *device,
 677                                       GdkCrossingMode             mode,
 678                                       gint                        toplevel_x,
 679                                       gint                        toplevel_y,
 680                                       GdkModifierType             mask,
 681                                       guint32                     time_,
 682                                       GdkEvent                   *event_in_queue,
 683                                       gulong                      serial,
 684                                       gboolean                    non_linear);
 685 void _gdk_display_set_window_under_pointer (GdkDisplay *display,
 686                                             GdkDevice  *device,
 687                                             GdkWindow  *window);
 688
 689
 690 void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
 691
 692 GdkRegion *_gdk_window_calculate_full_clip_region    (GdkWindow     *window,
 693                                                       GdkWindow     *base_window,
 694                                                       gboolean       do_children,
 695                                                       gint          *base_x_offset,
 696                                                       gint          *base_y_offset);
 697 gboolean    _gdk_window_has_impl (GdkWindow *window);
 698 GdkWindow * _gdk_window_get_impl_window (GdkWindow *window);
 699 GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window,
 700                                                    GdkEventType event_type,
 701                                                    int x, int y,
 702                                                    gulong serial);
 703 GdkRegion  *_gdk_region_new_from_yxbanded_rects (GdkRectangle *rects, int n_rects);
 704
 705 /*****************************
 706  * offscreen window routines *
 707  *****************************/
 708 GType gdk_offscreen_window_get_type (void);
 709 void       _gdk_offscreen_window_new                 (GdkWindow     *window,
 710                                                       GdkScreen     *screen,
 711                                                       GdkVisual     *visual,
 712                                                       GdkWindowAttr *attributes,
 713                                                       gint           attributes_mask);
 714
 715
 716 /************************************
 717  * Initialization and exit routines *
 718  ************************************/
 719
 720 void _gdk_image_exit  (void);
 721 void _gdk_windowing_exit (void);
 722
 723 G_END_DECLS
 724
 725 #endif /* __GDK_INTERNALS_H__ */