/* GDK - The GIMP Drawing Kit * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS * file for a list of people on the GTK+ Team. See the ChangeLog * files for a list of changes. These files are distributed with * GTK+ at ftp://ftp.gtk.org/pub/gtk/. */ /* Uninstalled header defining types and functions internal to GDK */ #ifndef __GDK_INTERNALS_H__ #define __GDK_INTERNALS_H__ #include #include #include #include #ifdef USE_MEDIALIB #include #endif G_BEGIN_DECLS /********************** * General Facilities * **********************/ /* Debugging support */ typedef struct _GdkColorInfo GdkColorInfo; typedef struct _GdkEventFilter GdkEventFilter; typedef struct _GdkClientFilter GdkClientFilter; typedef enum { GDK_COLOR_WRITEABLE = 1 << 0 } GdkColorInfoFlags; struct _GdkColorInfo { GdkColorInfoFlags flags; guint ref_count; }; struct _GdkEventFilter { GdkFilterFunc function; gpointer data; }; struct _GdkClientFilter { GdkAtom type; GdkFilterFunc function; gpointer data; }; typedef enum { GDK_DEBUG_MISC = 1 << 0, GDK_DEBUG_EVENTS = 1 << 1, GDK_DEBUG_DND = 1 << 2, GDK_DEBUG_XIM = 1 << 3, GDK_DEBUG_NOGRABS = 1 << 4, GDK_DEBUG_COLORMAP = 1 << 5, GDK_DEBUG_GDKRGB = 1 << 6, GDK_DEBUG_GC = 1 << 7, GDK_DEBUG_PIXMAP = 1 << 8, GDK_DEBUG_IMAGE = 1 << 9, GDK_DEBUG_INPUT = 1 <<10, GDK_DEBUG_CURSOR = 1 <<11, GDK_DEBUG_MULTIHEAD = 1 <<12, GDK_DEBUG_XINERAMA = 1 <<13, GDK_DEBUG_DRAW = 1 <<14, GDK_DEBUG_EVENTLOOP = 1 <<15 } GdkDebugFlag; #ifndef GDK_DISABLE_DEPRECATED typedef struct _GdkFontPrivate GdkFontPrivate; struct _GdkFontPrivate { GdkFont font; guint ref_count; }; #endif /* GDK_DISABLE_DEPRECATED */ extern GList *_gdk_default_filters; extern GdkWindow *_gdk_parent_root; extern gint _gdk_error_code; extern gint _gdk_error_warnings; extern guint _gdk_debug_flags; #ifdef G_ENABLE_DEBUG #define GDK_NOTE(type,action) G_STMT_START { \ if (_gdk_debug_flags & GDK_DEBUG_##type) \ { action; }; } G_STMT_END #else /* !G_ENABLE_DEBUG */ #define GDK_NOTE(type,action) #endif /* G_ENABLE_DEBUG */ /* Arg parsing */ typedef enum { GDK_ARG_STRING, GDK_ARG_INT, GDK_ARG_BOOL, GDK_ARG_NOBOOL, GDK_ARG_CALLBACK } GdkArgType; typedef struct _GdkArgContext GdkArgContext; typedef struct _GdkArgDesc GdkArgDesc; typedef void (*GdkArgFunc) (const char *name, const char *arg, gpointer data); struct _GdkArgContext { GPtrArray *tables; gpointer cb_data; }; struct _GdkArgDesc { const char *name; GdkArgType type; gpointer location; GdkArgFunc callback; }; /* Event handling */ typedef struct _GdkEventPrivate GdkEventPrivate; typedef enum { /* Following flag is set for events on the event queue during * translation and cleared afterwards. */ GDK_EVENT_PENDING = 1 << 0 } GdkEventFlags; struct _GdkEventPrivate { GdkEvent event; guint flags; GdkScreen *screen; gpointer windowing_data; }; /* Tracks information about the pointer grab on this display */ typedef struct { GdkWindow *window; GdkWindow *native_window; gulong serial_start; gulong serial_end; /* exclusive, i.e. not active on serial_end */ gboolean owner_events; guint event_mask; gboolean implicit; guint32 time; gboolean activated; gboolean implicit_ungrab; gboolean grab_one_pointer_release_event; } GdkPointerGrabInfo; typedef struct _GdkInputWindow GdkInputWindow; /* Private version of GdkWindowObject. The initial part of this strucuture is public for historical reasons. Don't change that part */ typedef struct _GdkWindowPaint GdkWindowPaint; struct _GdkWindowObject { /* vvvvvvv THIS PART IS PUBLIC. DON'T CHANGE vvvvvvvvvvvvvv */ GdkDrawable parent_instance; GdkDrawable *impl; /* window-system-specific delegate object */ GdkWindowObject *parent; gpointer user_data; gint x; gint y; gint extension_events; GList *filters; GList *children; GdkColor bg_color; GdkPixmap *bg_pixmap; GSList *paint_stack; GdkRegion *update_area; guint update_freeze_count; guint8 window_type; guint8 depth; guint8 resize_count; GdkWindowState state; guint guffaw_gravity : 1; guint input_only : 1; guint modal_hint : 1; guint composited : 1; guint destroyed : 2; guint accept_focus : 1; guint focus_on_map : 1; guint shaped : 1; GdkEventMask event_mask; guint update_and_descendants_freeze_count; GdkWindowRedirect *redirect; /* ^^^^^^^^^^ THIS PART IS PUBLIC. DON'T CHANGE ^^^^^^^^^^ */ /* The GdkWindowObject that has the impl, ref:ed if another window. * This ref is required to keep the wrapper of the impl window alive * for as long as any GdkWindow references the impl. */ GdkWindowObject *impl_window; int abs_x, abs_y; /* Absolute offset in impl */ gint width, height; guint32 clip_tag; GdkRegion *clip_region; /* Clip region (wrt toplevel) in window coords */ GdkRegion *clip_region_with_children; /* Clip region in window coords */ GdkCursor *cursor; gint8 toplevel_window_type; guint synthesize_crossing_event_queued : 1; guint effective_visibility : 2; guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */ guint native_visibility : 2; /* the native visibility of a impl windows */ guint has_offscreen_children : 1; GdkWindowPaint *implicit_paint; GdkInputWindow *input_window; /* only set for impl windows */ GList *outstanding_moves; GdkRegion *shape; GdkRegion *input_shape; cairo_surface_t *cairo_surface; }; extern GdkEventFunc _gdk_event_func; /* Callback for events */ extern gpointer _gdk_event_data; extern GDestroyNotify _gdk_event_notify; extern GSList *_gdk_displays; extern gchar *_gdk_display_name; extern gint _gdk_screen_number; extern gchar *_gdk_display_arg_name; void _gdk_events_queue (GdkDisplay *display); GdkEvent* _gdk_event_unqueue (GdkDisplay *display); GList* _gdk_event_queue_find_first (GdkDisplay *display); void _gdk_event_queue_remove_link (GdkDisplay *display, GList *node); GList* _gdk_event_queue_prepend (GdkDisplay *display, GdkEvent *event); GList* _gdk_event_queue_append (GdkDisplay *display, GdkEvent *event); GList* _gdk_event_queue_insert_after (GdkDisplay *display, GdkEvent *after_event, GdkEvent *event); GList* _gdk_event_queue_insert_before(GdkDisplay *display, GdkEvent *after_event, GdkEvent *event); void _gdk_event_button_generate (GdkDisplay *display, GdkEvent *event); void _gdk_windowing_event_data_copy (const GdkEvent *src, GdkEvent *dst); void _gdk_windowing_event_data_free (GdkEvent *event); void gdk_synthesize_window_state (GdkWindow *window, GdkWindowState unset_flags, GdkWindowState set_flags); #define GDK_SCRATCH_IMAGE_WIDTH 256 #define GDK_SCRATCH_IMAGE_HEIGHT 64 GdkImage* _gdk_image_new_for_depth (GdkScreen *screen, GdkImageType type, GdkVisual *visual, gint width, gint height, gint depth); GdkImage *_gdk_image_get_scratch (GdkScreen *screen, gint width, gint height, gint depth, gint *x, gint *y); GdkImage *_gdk_drawable_copy_to_image (GdkDrawable *drawable, GdkImage *image, gint src_x, gint src_y, gint dest_x, gint dest_y, gint width, gint height); cairo_surface_t *_gdk_drawable_ref_cairo_surface (GdkDrawable *drawable); GdkDrawable *_gdk_drawable_get_source_drawable (GdkDrawable *drawable); cairo_surface_t * _gdk_drawable_create_cairo_surface (GdkDrawable *drawable, int width, int height); /* GC caching */ GdkGC *_gdk_drawable_get_scratch_gc (GdkDrawable *drawable, gboolean graphics_exposures); GdkGC *_gdk_drawable_get_subwindow_scratch_gc (GdkDrawable *drawable); void _gdk_gc_update_context (GdkGC *gc, cairo_t *cr, const GdkColor *override_foreground, GdkBitmap *override_stipple, gboolean gc_changed, GdkDrawable *target_drawable); /************************************* * Interfaces used by windowing code * *************************************/ GdkPixmap *_gdk_pixmap_new (GdkDrawable *drawable, gint width, gint height, gint depth); GdkPixmap *_gdk_pixmap_create_from_data (GdkDrawable *drawable, const gchar *data, gint width, gint height, gint depth, const GdkColor *fg, const GdkColor *bg); GdkPixmap *_gdk_bitmap_create_from_data (GdkDrawable *drawable, const gchar *data, gint width, gint height); void _gdk_window_impl_new (GdkWindow *window, GdkWindow *real_parent, GdkScreen *screen, GdkVisual *visual, GdkEventMask event_mask, GdkWindowAttr *attributes, gint attributes_mask); void _gdk_window_destroy (GdkWindow *window, gboolean foreign_destroy); void _gdk_window_clear_update_area (GdkWindow *window); void _gdk_window_update_size (GdkWindow *window); void _gdk_window_process_updates_recurse (GdkWindow *window, GdkRegion *expose_region); void _gdk_screen_close (GdkScreen *screen); const char *_gdk_get_sm_client_id (void); void _gdk_gc_init (GdkGC *gc, GdkDrawable *drawable, GdkGCValues *values, GdkGCValuesMask values_mask); GdkRegion *_gdk_gc_get_clip_region (GdkGC *gc); gboolean _gdk_gc_get_exposures (GdkGC *gc); GdkFill _gdk_gc_get_fill (GdkGC *gc); GdkPixmap *_gdk_gc_get_tile (GdkGC *gc); GdkBitmap *_gdk_gc_get_stipple (GdkGC *gc); guint32 _gdk_gc_get_fg_pixel (GdkGC *gc); guint32 _gdk_gc_get_bg_pixel (GdkGC *gc); void _gdk_gc_add_drawable_clip (GdkGC *gc, guint32 region_tag, GdkRegion *region, int offset_x, int offset_y); void _gdk_gc_remove_drawable_clip (GdkGC *gc); void _gdk_gc_set_clip_region_internal (GdkGC *gc, GdkRegion *region, gboolean reset_origin); GdkSubwindowMode _gdk_gc_get_subwindow (GdkGC *gc); /***************************************** * Interfaces provided by windowing code * *****************************************/ /* Font/string functions implemented in module-specific code */ gint _gdk_font_strlen (GdkFont *font, const char *str); void _gdk_font_destroy (GdkFont *font); void _gdk_colormap_real_destroy (GdkColormap *colormap); void _gdk_cursor_destroy (GdkCursor *cursor); void _gdk_windowing_init (void); extern const GOptionEntry _gdk_windowing_args[]; void _gdk_windowing_set_default_display (GdkDisplay *display); gchar *_gdk_windowing_substitute_screen_number (const gchar *display_name, gint screen_number); gulong _gdk_windowing_window_get_next_serial (GdkDisplay *display); void _gdk_windowing_window_get_offsets (GdkWindow *window, gint *x_offset, gint *y_offset); GdkRegion *_gdk_windowing_window_get_shape (GdkWindow *window); GdkRegion *_gdk_windowing_window_get_input_shape(GdkWindow *window); GdkRegion *_gdk_windowing_get_shape_for_mask (GdkBitmap *mask); void _gdk_windowing_window_beep (GdkWindow *window); void _gdk_windowing_get_pointer (GdkDisplay *display, GdkScreen **screen, gint *x, gint *y, GdkModifierType *mask); GdkWindow* _gdk_windowing_window_at_pointer (GdkDisplay *display, gint *win_x, gint *win_y, GdkModifierType *mask); GdkGrabStatus _gdk_windowing_pointer_grab (GdkWindow *window, GdkWindow *native, gboolean owner_events, GdkEventMask event_mask, GdkWindow *confine_to, GdkCursor *cursor, guint32 time); void _gdk_windowing_got_event (GdkDisplay *display, GList *event_link, GdkEvent *event, gulong serial); void _gdk_windowing_window_process_updates_recurse (GdkWindow *window, GdkRegion *expose_region); void _gdk_windowing_before_process_all_updates (void); void _gdk_windowing_after_process_all_updates (void); /* Return the number of bits-per-pixel for images of the specified depth. */ gint _gdk_windowing_get_bits_for_depth (GdkDisplay *display, gint depth); #define GDK_WINDOW_IS_MAPPED(window) ((((GdkWindowObject*)window)->state & GDK_WINDOW_STATE_WITHDRAWN) == 0) /* Called when gdk_window_destroy() is called on a foreign window * or an ancestor of the foreign window. It should generally reparent * the window out of it's current heirarchy, hide it, and then * send a message to the owner requesting that the window be destroyed. */ void _gdk_windowing_window_destroy_foreign (GdkWindow *window); void _gdk_windowing_display_set_sm_client_id (GdkDisplay *display, const gchar *sm_client_id); void _gdk_windowing_window_set_composited (GdkWindow *window, gboolean composited); #define GDK_TYPE_PAINTABLE (_gdk_paintable_get_type ()) #define GDK_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_PAINTABLE, GdkPaintable)) #define GDK_IS_PAINTABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_PAINTABLE)) #define GDK_PAINTABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GDK_TYPE_PAINTABLE, GdkPaintableIface)) typedef struct _GdkPaintable GdkPaintable; typedef struct _GdkPaintableIface GdkPaintableIface; struct _GdkPaintableIface { GTypeInterface g_iface; void (* begin_paint_region) (GdkPaintable *paintable, GdkWindow *window, const GdkRegion *region); void (* end_paint) (GdkPaintable *paintable); }; GType _gdk_paintable_get_type (void) G_GNUC_CONST; /* Implementation types */ GType _gdk_window_impl_get_type (void) G_GNUC_CONST; GType _gdk_pixmap_impl_get_type (void) G_GNUC_CONST; /** * _gdk_windowing_gc_set_clip_region: * @gc: a #GdkGC * @region: the new clip region * @reset_origin: if TRUE, reset the clip_x/y_origin values to 0 * * Do any window-system specific processing necessary * for a change in clip region. Since the clip origin * will likely change before the GC is used with the * new clip, frequently this function will only set a flag and * do the real processing later. * * When this function is called, _gdk_gc_get_clip_region * will already return the new region. **/ void _gdk_windowing_gc_set_clip_region (GdkGC *gc, const GdkRegion *region, gboolean reset_origin); /** * _gdk_windowing_gc_copy: * @dst_gc: a #GdkGC from the GDK backend * @src_gc: a #GdkGC from the GDK backend * * Copies backend specific state from @src_gc to @dst_gc. * This is called before the generic state is copied, so * the old generic state is still available from @dst_gc **/ void _gdk_windowing_gc_copy (GdkGC *dst_gc, GdkGC *src_gc); /* Queries the current foreground color of a GdkGC */ void _gdk_windowing_gc_get_foreground (GdkGC *gc, GdkColor *color); /* Queries the current background color of a GdkGC */ void _gdk_windowing_gc_get_background (GdkGC *gc, GdkColor *color); struct GdkAppLaunchContextPrivate { GdkDisplay *display; GdkScreen *screen; gint workspace; guint32 timestamp; GIcon *icon; char *icon_name; }; char *_gdk_windowing_get_startup_notify_id (GAppLaunchContext *context, GAppInfo *info, GList *files); void _gdk_windowing_launch_failed (GAppLaunchContext *context, const char *startup_notify_id); GdkPointerGrabInfo *_gdk_display_get_active_pointer_grab (GdkDisplay *display); void _gdk_display_pointer_grab_update (GdkDisplay *display, gulong current_serial); GdkPointerGrabInfo *_gdk_display_get_last_pointer_grab (GdkDisplay *display); GdkPointerGrabInfo *_gdk_display_add_pointer_grab (GdkDisplay *display, GdkWindow *window, GdkWindow *native_window, gboolean owner_events, GdkEventMask event_mask, unsigned long serial_start, guint32 time, gboolean implicit); GdkPointerGrabInfo * _gdk_display_has_pointer_grab (GdkDisplay *display, gulong serial); gboolean _gdk_display_end_pointer_grab (GdkDisplay *display, gulong serial, GdkWindow *if_child, gboolean implicit); void _gdk_display_set_has_keyboard_grab (GdkDisplay *display, GdkWindow *window, GdkWindow *native_window, gboolean owner_events, unsigned long serial, guint32 time); void _gdk_display_unset_has_keyboard_grab (GdkDisplay *display, gboolean implicit); void _gdk_display_enable_motion_hints (GdkDisplay *display); void _gdk_window_invalidate_for_expose (GdkWindow *window, const GdkRegion *region); void _gdk_windowing_set_cairo_surface_size (cairo_surface_t *surface, int width, int height); cairo_surface_t * _gdk_windowing_create_cairo_surface (GdkDrawable *drawable, int width, int height); GdkWindow * _gdk_window_find_child_at (GdkWindow *window, int x, int y); GdkWindow * _gdk_window_find_descendant_at (GdkWindow *toplevel, double x, double y, double *found_x, double *found_y); void _gdk_window_add_damage (GdkWindow *toplevel, GdkRegion *damaged_region); GdkEvent * _gdk_make_event (GdkWindow *window, GdkEventType type, GdkEvent *event_in_queue, gboolean before_event); void _gdk_synthesize_crossing_events (GdkDisplay *display, GdkWindow *src, GdkWindow *dest, GdkCrossingMode mode, gint toplevel_x, gint toplevel_y, GdkModifierType mask, guint32 time_, GdkEvent *event_in_queue, gulong serial); void _gdk_display_set_window_under_pointer (GdkDisplay *display, GdkWindow *window); void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window); GdkRegion *_gdk_window_calculate_full_clip_region (GdkWindow *window, GdkWindow *base_window, gboolean do_children, gint *base_x_offset, gint *base_y_offset); gboolean _gdk_window_has_impl (GdkWindow *window); GdkWindow * _gdk_window_get_impl_window (GdkWindow *window); GdkWindow *_gdk_window_get_input_window_for_event (GdkWindow *native_window, GdkEventType event_type, int x, int y, gulong serial); GdkRegion *_gdk_region_new_from_yxbanded_rects (GdkRectangle *rects, int n_rects); /***************************** * offscreen window routines * *****************************/ GType gdk_offscreen_window_get_type (void); void _gdk_offscreen_window_new (GdkWindow *window, GdkScreen *screen, GdkVisual *visual, GdkWindowAttr *attributes, gint attributes_mask); /************************************ * Initialization and exit routines * ************************************/ void _gdk_image_exit (void); void _gdk_windowing_exit (void); G_END_DECLS #endif /* __GDK_INTERNALS_H__ */