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gtk/gdk/gdkinternals.h
Matthias Clasen d5c0b92d5d Hide GdkDeviceManager and GdkDeviceManagerClass 
And nuke GdkDeviceManagerPrivate at the same time. Again a commit
that only deals with the X11 backend, other backends will need to
catch up.
2010-12-21 12:06:56 -05:00

797 lines
28 KiB
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/* 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 <gio/gio.h>
#include <gdk/gdktypes.h>
#include <gdk/gdkwindow.h>
#include <gdk/gdkwindowimpl.h>
#include <gdk/gdkprivate.h>
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;
};
typedef enum {
GDK_EVENT_FILTER_REMOVED = 1 << 0
} GdkEventFilterFlags;
struct _GdkEventFilter {
GdkFilterFunc function;
gpointer data;
GdkEventFilterFlags flags;
guint ref_count;
};
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_INPUT = 1 << 6,
GDK_DEBUG_CURSOR = 1 << 7,
GDK_DEBUG_MULTIHEAD = 1 << 8,
GDK_DEBUG_XINERAMA = 1 << 9,
GDK_DEBUG_DRAW = 1 <<10,
GDK_DEBUG_EVENTLOOP = 1 <<11
} GdkDebugFlag;
extern GList *_gdk_default_filters;
extern GdkWindow *_gdk_parent_root;
extern guint _gdk_debug_flags;
extern gboolean _gdk_native_windows;
#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;
GdkDevice *device;
GdkDevice *source_device;
};
/* 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;
GdkGrabOwnership ownership;
guint activated : 1;
guint implicit_ungrab : 1;
} GdkDeviceGrabInfo;
typedef struct _GdkWindowPaint GdkWindowPaint;
typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
GdkDevice *device,
GdkPointerWindowInfo *device_info,
gpointer user_data);
struct _GdkWindow
{
GObject parent_instance;
GdkWindowImpl *impl; /* window-system-specific delegate object */
GdkWindow *parent;
GdkVisual *visual;
gpointer user_data;
gint x;
gint y;
gint extension_events;
GList *filters;
GList *children;
cairo_pattern_t *background;
GSList *paint_stack;
cairo_region_t *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;
guint support_multidevice : 1;
GdkEventMask event_mask;
guint update_and_descendants_freeze_count;
/* The GdkWindow 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. */
GdkWindow *impl_window;
int abs_x, abs_y; /* Absolute offset in impl */
gint width, height;
guint32 clip_tag;
cairo_region_t *clip_region; /* Clip region (wrt toplevel) in window coords */
cairo_region_t *clip_region_with_children; /* Clip region in window coords */
GdkCursor *cursor;
GHashTable *device_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 viewable : 1; /* mapped and all parents mapped */
guint applied_shape : 1;
guint num_offscreen_children;
GdkWindowPaint *implicit_paint;
GList *outstanding_moves;
cairo_region_t *shape;
cairo_region_t *input_shape;
cairo_surface_t *cairo_surface;
GList *devices_inside;
GHashTable *device_events;
GHashTable *source_event_masks;
gulong device_added_handler_id;
gulong device_changed_handler_id;
};
#define GDK_WINDOW_TYPE(d) (((GDK_WINDOW (d)))->window_type)
#define GDK_WINDOW_DESTROYED(d) (GDK_WINDOW (d)->destroyed)
struct _GdkDisplayClass
{
GObjectClass parent_class;
G_CONST_RETURN gchar * (*get_name) (GdkDisplay *display);
gint (*get_n_screens) (GdkDisplay *display);
GdkScreen * (*get_screen) (GdkDisplay *display,
gint screen_num);
GdkScreen * (*get_default_screen) (GdkDisplay *display);
void (*beep) (GdkDisplay *display);
void (*sync) (GdkDisplay *display);
void (*flush) (GdkDisplay *display);
GdkWindow * (*get_default_group) (GdkDisplay *display);
gboolean (*supports_selection_notification) (GdkDisplay *display);
gboolean (*request_selection_notification) (GdkDisplay *display,
GdkAtom selection);
gboolean (*supports_clipboard_persistence) (GdkDisplay *display);
void (*store_clipboard) (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets);
gboolean (*supports_shapes) (GdkDisplay *display);
gboolean (*supports_input_shapes) (GdkDisplay *display);
gboolean (*supports_composite) (GdkDisplay *display);
GList * (*list_devices) (GdkDisplay *display);
gboolean (*send_client_message) (GdkDisplay *display,
GdkEvent *event,
GdkNativeWindow winid);
void (*add_client_message_filter) (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data);
GdkAppLaunchContext * (*get_app_launch_context) (GdkDisplay *display);
GdkNativeWindow (*get_drag_protocol) (GdkDisplay *display,
GdkNativeWindow winid,
GdkDragProtocol *protocol,
guint *version);
/* Signals */
void (*closed) (GdkDisplay *display,
gboolean is_error);
};
struct _GdkKeymapClass
{
GObjectClass parent_class;
PangoDirection (* get_direction) (GdkKeymap *keymap);
gboolean (* have_bidi_layouts) (GdkKeymap *keymap);
gboolean (* get_caps_lock_state) (GdkKeymap *keymap);
gboolean (* get_num_lock_state) (GdkKeymap *keymap);
gboolean (* get_entries_for_keyval) (GdkKeymap *keymap,
guint keyval,
GdkKeymapKey **keys,
gint *n_keys);
gboolean (* get_entries_for_keycode) (GdkKeymap *keymap,
guint hardware_keycode,
GdkKeymapKey **keys,
guint **keyvals,
gint *n_entries);
guint (* lookup_key) (GdkKeymap *keymap,
const GdkKeymapKey *key);
gboolean (* translate_keyboard_state) (GdkKeymap *keymap,
guint hardware_keycode,
GdkModifierType state,
gint group,
guint *keyval,
gint *effective_group,
gint *level,
GdkModifierType *consumed_modifiers);
void (* add_virtual_modifiers) (GdkKeymap *keymap,
GdkModifierType *state);
gboolean (* map_virtual_modifiers) (GdkKeymap *keymap,
GdkModifierType *state);
/* Signals */
void (*direction_changed) (GdkKeymap *keymap);
void (*keys_changed) (GdkKeymap *keymap);
void (*state_changed) (GdkKeymap *keymap);
};
struct _GdkScreenClass
{
GObjectClass parent_class;
GdkDisplay * (* get_display) (GdkScreen *screen);
gint (* get_width) (GdkScreen *screen);
gint (* get_height) (GdkScreen *screen);
gint (* get_width_mm) (GdkScreen *screen);
gint (* get_height_mm) (GdkScreen *screen);
gint (* get_number) (GdkScreen *screen);
GdkWindow * (* get_root_window) (GdkScreen *screen);
gint (* get_n_monitors) (GdkScreen *screen);
gint (* get_primary_monitor) (GdkScreen *screen);
gint (* get_monitor_width_mm) (GdkScreen *screen,
gint monitor_num);
gint (* get_monitor_height_mm) (GdkScreen *screen,
gint monitor_num);
gchar * (* get_monitor_plug_name) (GdkScreen *screen,
gint monitor_num);
void (* get_monitor_geometry) (GdkScreen *screen,
gint monitor_num,
GdkRectangle *dest);
GList * (* list_visuals) (GdkScreen *screen);
GdkVisual * (* get_system_visual) (GdkScreen *screen);
GdkVisual * (* get_rgba_visual) (GdkScreen *screen);
gboolean (* is_composited) (GdkScreen *screen);
gchar * (* make_display_name) (GdkScreen *screen);
GdkWindow * (* get_active_window) (GdkScreen *screen);
GList * (* get_window_stack) (GdkScreen *screen);
void (* broadcast_client_message) (GdkScreen *screen,
GdkEvent *event);
gboolean (* get_setting) (GdkScreen *screen,
const gchar *name,
GValue *value);
gint (* visual_get_best_depth) (GdkScreen *screen);
GdkVisualType (* visual_get_best_type) (GdkScreen *screen);
GdkVisual * (* visual_get_best) (GdkScreen *screen);
GdkVisual * (* visual_get_best_with_depth) (GdkScreen *screen,
gint depth);
GdkVisual * (* visual_get_best_with_type) (GdkScreen *screen,
GdkVisualType visual_type);
GdkVisual * (* visual_get_best_with_both) (GdkScreen *screen,
gint depth,
GdkVisualType visual_type);
void (* query_depths) (GdkScreen *screen,
gint **depths,
gint *count);
void (* query_visual_types) (GdkScreen *screen,
GdkVisualType **visual_types,
gint *count);
/* Signals: */
void (*size_changed) (GdkScreen *screen);
void (*composited_changed) (GdkScreen *screen);
void (*monitors_changed) (GdkScreen *screen);
};
struct _GdkDragContextClass {
GObjectClass parent_class;
GdkWindow * (*find_window) (GdkDragContext *context,
GdkWindow *drag_window,
GdkScreen *screen,
gint x_root,
gint y_root,
GdkDragProtocol *protocol);
GdkAtom (*get_selection) (GdkDragContext *context);
gboolean (*drag_motion) (GdkDragContext *context,
GdkWindow *dest_window,
GdkDragProtocol protocol,
gint root_x,
gint root_y,
GdkDragAction suggested_action,
GdkDragAction possible_actions,
guint32 time_);
void (*drag_status) (GdkDragContext *context,
GdkDragAction action,
guint32 time_);
void (*drag_abort) (GdkDragContext *context,
guint32 time_);
void (*drag_drop) (GdkDragContext *context,
guint32 time_);
void (*drop_reply) (GdkDragContext *context,
gboolean accept,
guint32 time_);
void (*drop_finish) (GdkDragContext *context,
gboolean success,
guint32 time_);
gboolean (*drop_status) (GdkDragContext *context);
};
struct _GdkDragContext {
GObject parent_instance;
GdkDragProtocol protocol;
gboolean is_source;
GdkWindow *source_window;
GdkWindow *dest_window;
GList *targets;
GdkDragAction actions;
GdkDragAction suggested_action;
GdkDragAction action;
guint32 start_time;
GdkDevice *device;
};
struct _GdkVisual
{
GObject parent_instance;
GdkVisualType type;
gint depth;
GdkByteOrder byte_order;
gint colormap_size;
gint bits_per_rgb;
guint32 red_mask;
gint red_shift;
gint red_prec;
guint32 green_mask;
gint green_shift;
gint green_prec;
guint32 blue_mask;
gint blue_shift;
gint blue_prec;
GdkScreen *screen;
};
struct _GdkVisualClass
{
GObjectClass parent_class;
};
struct _GdkDeviceManager
{
GObject parent_instance;
GdkDisplay *display;
};
struct _GdkDeviceManagerClass
{
GObjectClass parent_class;
/* Signals */
void (* device_added) (GdkDeviceManager *device_manager,
GdkDevice *device);
void (* device_removed) (GdkDeviceManager *device_manager,
GdkDevice *device);
void (* device_changed) (GdkDeviceManager *device_manager,
GdkDevice *device);
/* VMethods */
GList * (* list_devices) (GdkDeviceManager *device_manager,
GdkDeviceType type);
GdkDevice * (* get_client_pointer) (GdkDeviceManager *device_manager);
};
extern GSList *_gdk_displays;
extern gchar *_gdk_display_name;
extern gint _gdk_screen_number;
extern gchar *_gdk_display_arg_name;
extern gboolean _gdk_disable_multidevice;
void _gdk_events_queue (GdkDisplay *display);
GdkEvent* _gdk_event_unqueue (GdkDisplay *display);
void _gdk_event_filter_unref (GdkWindow *window,
GdkEventFilter *filter);
void _gdk_event_emit (GdkEvent *event);
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);
GdkDeviceManager * _gdk_device_manager_new (GdkDisplay *display);
gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
GdkRectangle *extents);
/*************************************
* Interfaces used by windowing code *
*************************************/
cairo_surface_t *
_gdk_window_ref_cairo_surface (GdkWindow *window);
void _gdk_window_impl_new (GdkWindow *window,
GdkWindow *real_parent,
GdkScreen *screen,
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);
gboolean _gdk_window_update_viewable (GdkWindow *window);
void _gdk_window_process_updates_recurse (GdkWindow *window,
cairo_region_t *expose_region);
void _gdk_screen_close (GdkScreen *screen);
const char *_gdk_get_sm_client_id (void);
/*****************************************
* Interfaces provided by windowing code *
*****************************************/
/* Font/string functions implemented in module-specific code */
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);
void _gdk_windowing_get_device_state (GdkDisplay *display,
GdkDevice *device,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow* _gdk_windowing_window_at_device_position (GdkDisplay *display,
GdkDevice *device,
gint *win_x,
gint *win_y,
GdkModifierType *mask,
gboolean get_toplevel);
GdkGrabStatus _gdk_windowing_device_grab (GdkDevice *device,
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,
cairo_region_t *expose_region);
void _gdk_windowing_before_process_all_updates (void);
void _gdk_windowing_after_process_all_updates (void);
#define GDK_WINDOW_IS_MAPPED(window) (((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 cairo_region_t *region);
void (* end_paint) (GdkPaintable *paintable);
};
GType _gdk_paintable_get_type (void) G_GNUC_CONST;
struct GdkAppLaunchContextPrivate
{
GdkDisplay *display;
GdkScreen *screen;
gint workspace;
guint32 timestamp;
GIcon *icon;
char *icon_name;
};
void _gdk_display_device_grab_update (GdkDisplay *display,
GdkDevice *device,
GdkDevice *source_device,
gulong current_serial);
GdkDeviceGrabInfo *_gdk_display_get_last_device_grab (GdkDisplay *display,
GdkDevice *device);
GdkDeviceGrabInfo *_gdk_display_add_device_grab (GdkDisplay *display,
GdkDevice *device,
GdkWindow *window,
GdkWindow *native_window,
GdkGrabOwnership grab_ownership,
gboolean owner_events,
GdkEventMask event_mask,
unsigned long serial_start,
guint32 time,
gboolean implicit);
GdkDeviceGrabInfo * _gdk_display_has_device_grab (GdkDisplay *display,
GdkDevice *device,
gulong serial);
gboolean _gdk_display_end_device_grab (GdkDisplay *display,
GdkDevice *device,
gulong serial,
GdkWindow *if_child,
gboolean implicit);
gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
GdkDevice *device,
gulong serial);
void _gdk_display_enable_motion_hints (GdkDisplay *display,
GdkDevice *device);
GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
GdkDevice *device);
void _gdk_display_pointer_info_foreach (GdkDisplay *display,
GdkDisplayPointerInfoForeach func,
gpointer user_data);
void _gdk_window_invalidate_for_expose (GdkWindow *window,
cairo_region_t *region);
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,
cairo_region_t *damaged_region);
GdkEvent * _gdk_make_event (GdkWindow *window,
GdkEventType type,
GdkEvent *event_in_queue,
gboolean before_event);
gboolean _gdk_window_event_parent_of (GdkWindow *parent,
GdkWindow *child);
void _gdk_synthesize_crossing_events (GdkDisplay *display,
GdkWindow *src,
GdkWindow *dest,
GdkDevice *device,
GdkDevice *source_device,
GdkCrossingMode mode,
gint toplevel_x,
gint toplevel_y,
GdkModifierType mask,
guint32 time_,
GdkEvent *event_in_queue,
gulong serial,
gboolean non_linear);
void _gdk_display_set_window_under_pointer (GdkDisplay *display,
GdkDevice *device,
GdkWindow *window);
void _gdk_synthesize_crossing_events_for_geometry_change (GdkWindow *changed_window);
cairo_region_t *_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);
/*****************************
* offscreen window routines *
*****************************/
GType gdk_offscreen_window_get_type (void);
void _gdk_offscreen_window_new (GdkWindow *window,
GdkWindowAttr *attributes,
gint attributes_mask);
cairo_surface_t * _gdk_offscreen_window_create_surface (GdkWindow *window,
gint width,
gint height);
/************************************
* Initialization and exit routines *
************************************/
void _gdk_windowing_exit (void);
G_END_DECLS
#endif /* __GDK_INTERNALS_H__ */
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