gtk2/gdk/gdkwindow.h

/* 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/.
 */

#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif

#ifndef __GDK_WINDOW_H__
#define __GDK_WINDOW_H__

#include <gdk/gdkdrawable.h>
#include <gdk/gdktypes.h>
#include <gdk/gdkevents.h>

G_BEGIN_DECLS

typedef struct _GdkGeometry          GdkGeometry;
typedef struct _GdkWindowAttr        GdkWindowAttr;
typedef struct _GdkPointerHooks      GdkPointerHooks;
typedef struct _GdkWindowRedirect    GdkWindowRedirect;

/* Classes of windows.
 *   InputOutput: Almost every window should be of this type. Such windows
 *		  receive events and are also displayed on screen.
 *   InputOnly: Used only in special circumstances when events need to be
 *		stolen from another window or windows. Input only windows
 *		have no visible output, so they are handy for placing over
 *		top of a group of windows in order to grab the events (or
 *		filter the events) from those windows.
 */
typedef enum
{
  GDK_INPUT_OUTPUT,
  GDK_INPUT_ONLY
} GdkWindowClass;

/* Types of windows.
 *   Root: There is only 1 root window and it is initialized
 *	   at startup. Creating a window of type GDK_WINDOW_ROOT
 *	   is an error.
 *   Toplevel: Windows which interact with the window manager.
 *   Child: Windows which are children of some other type of window.
 *	    (Any other type of window). Most windows are child windows.
 *   Dialog: A special kind of toplevel window which interacts with
 *	     the window manager slightly differently than a regular
 *	     toplevel window. Dialog windows should be used for any
 *	     transient window.
 *   Foreign: A window that actually belongs to another application
 */
typedef enum
{
  GDK_WINDOW_ROOT,
  GDK_WINDOW_TOPLEVEL,
  GDK_WINDOW_CHILD,
  GDK_WINDOW_DIALOG,
  GDK_WINDOW_TEMP,
  GDK_WINDOW_FOREIGN,
  GDK_WINDOW_OFFSCREEN
} GdkWindowType;

/* Window attribute mask values.
 *   GDK_WA_TITLE: The "title" field is valid.
 *   GDK_WA_X: The "x" field is valid.
 *   GDK_WA_Y: The "y" field is valid.
 *   GDK_WA_CURSOR: The "cursor" field is valid.
 *   GDK_WA_COLORMAP: The "colormap" field is valid.
 *   GDK_WA_VISUAL: The "visual" field is valid.
 */
typedef enum
{
  GDK_WA_TITLE	   = 1 << 1,
  GDK_WA_X	   = 1 << 2,
  GDK_WA_Y	   = 1 << 3,
  GDK_WA_CURSOR	   = 1 << 4,
  GDK_WA_COLORMAP  = 1 << 5,
  GDK_WA_VISUAL	   = 1 << 6,
  GDK_WA_WMCLASS   = 1 << 7,
  GDK_WA_NOREDIR   = 1 << 8,
  GDK_WA_TYPE_HINT = 1 << 9
} GdkWindowAttributesType;

/* Size restriction enumeration.
 */
typedef enum
{
  GDK_HINT_POS	       = 1 << 0,
  GDK_HINT_MIN_SIZE    = 1 << 1,
  GDK_HINT_MAX_SIZE    = 1 << 2,
  GDK_HINT_BASE_SIZE   = 1 << 3,
  GDK_HINT_ASPECT      = 1 << 4,
  GDK_HINT_RESIZE_INC  = 1 << 5,
  GDK_HINT_WIN_GRAVITY = 1 << 6,
  GDK_HINT_USER_POS    = 1 << 7,
  GDK_HINT_USER_SIZE   = 1 << 8
} GdkWindowHints;


/* Window type hints.
 * These are hints for the window manager that indicate
 * what type of function the window has. The window manager
 * can use this when determining decoration and behaviour
 * of the window. The hint must be set before mapping the
 * window.
 *
 *   Normal: Normal toplevel window
 *   Dialog: Dialog window
 *   Menu: Window used to implement a menu.
 *   Toolbar: Window used to implement toolbars.
 */
typedef enum
{
  GDK_WINDOW_TYPE_HINT_NORMAL,
  GDK_WINDOW_TYPE_HINT_DIALOG,
  GDK_WINDOW_TYPE_HINT_MENU,		/* Torn off menu */
  GDK_WINDOW_TYPE_HINT_TOOLBAR,
  GDK_WINDOW_TYPE_HINT_SPLASHSCREEN,
  GDK_WINDOW_TYPE_HINT_UTILITY,
  GDK_WINDOW_TYPE_HINT_DOCK,
  GDK_WINDOW_TYPE_HINT_DESKTOP,
  GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU,	/* A drop down menu (from a menubar) */
  GDK_WINDOW_TYPE_HINT_POPUP_MENU,	/* A popup menu (from right-click) */
  GDK_WINDOW_TYPE_HINT_TOOLTIP,
  GDK_WINDOW_TYPE_HINT_NOTIFICATION,
  GDK_WINDOW_TYPE_HINT_COMBO,
  GDK_WINDOW_TYPE_HINT_DND
} GdkWindowTypeHint;

/* The next two enumeration values current match the
 * Motif constants. If this is changed, the implementation
 * of gdk_window_set_decorations/gdk_window_set_functions
 * will need to change as well.
 */
typedef enum
{
  GDK_DECOR_ALL		= 1 << 0,
  GDK_DECOR_BORDER	= 1 << 1,
  GDK_DECOR_RESIZEH	= 1 << 2,
  GDK_DECOR_TITLE	= 1 << 3,
  GDK_DECOR_MENU	= 1 << 4,
  GDK_DECOR_MINIMIZE	= 1 << 5,
  GDK_DECOR_MAXIMIZE	= 1 << 6
} GdkWMDecoration;

typedef enum
{
  GDK_FUNC_ALL		= 1 << 0,
  GDK_FUNC_RESIZE	= 1 << 1,
  GDK_FUNC_MOVE		= 1 << 2,
  GDK_FUNC_MINIMIZE	= 1 << 3,
  GDK_FUNC_MAXIMIZE	= 1 << 4,
  GDK_FUNC_CLOSE	= 1 << 5
} GdkWMFunction;

/* Currently, these are the same values numerically as in the
 * X protocol. If you change that, gdkwindow-x11.c/gdk_window_set_geometry_hints()
 * will need fixing.
 */
typedef enum
{
  GDK_GRAVITY_NORTH_WEST = 1,
  GDK_GRAVITY_NORTH,
  GDK_GRAVITY_NORTH_EAST,
  GDK_GRAVITY_WEST,
  GDK_GRAVITY_CENTER,
  GDK_GRAVITY_EAST,
  GDK_GRAVITY_SOUTH_WEST,
  GDK_GRAVITY_SOUTH,
  GDK_GRAVITY_SOUTH_EAST,
  GDK_GRAVITY_STATIC
} GdkGravity;


typedef enum
{
  GDK_WINDOW_EDGE_NORTH_WEST,
  GDK_WINDOW_EDGE_NORTH,
  GDK_WINDOW_EDGE_NORTH_EAST,
  GDK_WINDOW_EDGE_WEST,
  GDK_WINDOW_EDGE_EAST,
  GDK_WINDOW_EDGE_SOUTH_WEST,
  GDK_WINDOW_EDGE_SOUTH,
  GDK_WINDOW_EDGE_SOUTH_EAST  
} GdkWindowEdge;

struct _GdkWindowAttr
{
  gchar *title;
  gint event_mask;
  gint x, y;
  gint width;
  gint height;
  GdkWindowClass wclass;
  GdkVisual *visual;
  GdkColormap *colormap;
  GdkWindowType window_type;
  GdkCursor *cursor;
  gchar *wmclass_name;
  gchar *wmclass_class;
  gboolean override_redirect;
  GdkWindowTypeHint type_hint;
};

struct _GdkGeometry
{
  gint min_width;
  gint min_height;
  gint max_width;
  gint max_height;
  gint base_width;
  gint base_height;
  gint width_inc;
  gint height_inc;
  gdouble min_aspect;
  gdouble max_aspect;
  GdkGravity win_gravity;
};

struct _GdkPointerHooks 
{
  GdkWindow* (*get_pointer)       (GdkWindow	   *window,
			           gint	           *x,
			           gint   	   *y,
			           GdkModifierType *mask);
  GdkWindow* (*window_at_pointer) (GdkScreen       *screen, /* unused */
                                   gint            *win_x,
                                   gint            *win_y);
};

typedef struct _GdkWindowObject GdkWindowObject;
typedef struct _GdkWindowObjectClass GdkWindowObjectClass;

#define GDK_TYPE_WINDOW              (gdk_window_object_get_type ())
#define GDK_WINDOW(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WINDOW, GdkWindow))
#define GDK_WINDOW_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WINDOW, GdkWindowObjectClass))
#define GDK_IS_WINDOW(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WINDOW))
#define GDK_IS_WINDOW_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WINDOW))
#define GDK_WINDOW_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WINDOW, GdkWindowObjectClass))

#ifndef GDK_DISABLE_DEPRECATED
#define GDK_WINDOW_OBJECT(object)    ((GdkWindowObject *) GDK_WINDOW (object))

#ifndef GDK_COMPILATION

/* We used to export all of GdkWindowObject, but we don't want to keep doing so.
   However, there are various parts of it accessed by macros and other code,
   so we keep the old exported version public, but in reality it is larger. */

/**** DON'T CHANGE THIS STRUCT, the real version is in gdkinternals.h ****/
struct _GdkWindowObject
{
  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;
};
#endif
#endif

struct _GdkWindowObjectClass
{
  GdkDrawableClass parent_class;
};

/* Windows
 */
GType         gdk_window_object_get_type       (void) G_GNUC_CONST;
GdkWindow*    gdk_window_new                   (GdkWindow     *parent,
                                                GdkWindowAttr *attributes,
                                                gint           attributes_mask);
void          gdk_window_destroy               (GdkWindow     *window);
GdkWindowType gdk_window_get_window_type       (GdkWindow     *window);
gboolean      gdk_window_is_destroyed          (GdkWindow     *window);
GdkWindow*    gdk_window_at_pointer            (gint          *win_x,
                                                gint          *win_y);
void          gdk_window_show                  (GdkWindow     *window);
void          gdk_window_hide                  (GdkWindow     *window);
void          gdk_window_withdraw              (GdkWindow     *window);
void          gdk_window_show_unraised         (GdkWindow     *window);
void          gdk_window_move                  (GdkWindow     *window,
                                                gint           x,
                                                gint           y);
void          gdk_window_resize                (GdkWindow     *window,
                                                gint           width,
                                                gint           height);
void          gdk_window_move_resize           (GdkWindow     *window,
                                                gint           x,
                                                gint           y,
                                                gint           width,
                                                gint           height);
void          gdk_window_reparent              (GdkWindow     *window,
                                                GdkWindow     *new_parent,
                                                gint           x,
                                                gint           y);
void          gdk_window_clear                 (GdkWindow     *window);
void          gdk_window_clear_area            (GdkWindow     *window,
                                                gint           x,
                                                gint           y,
                                                gint           width,
                                                gint           height);
void          gdk_window_clear_area_e          (GdkWindow     *window,
                                                gint           x,
                                                gint           y,
                                                gint           width,
                                                gint           height);
void          gdk_window_raise                 (GdkWindow     *window);
void          gdk_window_lower                 (GdkWindow     *window);
void          gdk_window_restack               (GdkWindow     *window,
						GdkWindow     *sibling,
						gboolean       above);
void          gdk_window_focus                 (GdkWindow     *window,
                                                guint32        timestamp);
void          gdk_window_set_user_data         (GdkWindow     *window,
                                                gpointer       user_data);
void          gdk_window_set_override_redirect (GdkWindow     *window,
                                                gboolean       override_redirect);
void          gdk_window_set_accept_focus      (GdkWindow     *window,
					        gboolean       accept_focus);
void          gdk_window_set_focus_on_map      (GdkWindow     *window,
					        gboolean       focus_on_map);
void          gdk_window_add_filter            (GdkWindow     *window,
                                                GdkFilterFunc  function,
                                                gpointer       data);
void          gdk_window_remove_filter         (GdkWindow     *window,
                                                GdkFilterFunc  function,
                                                gpointer       data);
void          gdk_window_scroll                (GdkWindow     *window,
                                                gint           dx,
                                                gint           dy);
void	      gdk_window_move_region           (GdkWindow       *window,
						const GdkRegion *region,
						gint             dx,
						gint             dy);
gboolean      gdk_window_ensure_native        (GdkWindow       *window);

/* 
 * This allows for making shaped (partially transparent) windows
 * - cool feature, needed for Drag and Drag for example.
 *  The shape_mask can be the mask
 *  from gdk_pixmap_create_from_xpm.   Stefan Wille
 */
void gdk_window_shape_combine_mask  (GdkWindow	      *window,
                                     GdkBitmap	      *mask,
                                     gint	       x,
                                     gint	       y);
void gdk_window_shape_combine_region (GdkWindow	      *window,
                                      const GdkRegion *shape_region,
                                      gint	       offset_x,
                                      gint	       offset_y);

/*
 * This routine allows you to quickly take the shapes of all the child windows
 * of a window and use their shapes as the shape mask for this window - useful
 * for container windows that dont want to look like a big box
 * 
 * - Raster
 */
void gdk_window_set_child_shapes (GdkWindow *window);

void gdk_window_set_composited   (GdkWindow *window,
                                  gboolean   composited);

/*
 * This routine allows you to merge (ie ADD) child shapes to your
 * own window's shape keeping its current shape and ADDING the child
 * shapes to it.
 * 
 * - Raster
 */
void gdk_window_merge_child_shapes         (GdkWindow       *window);

void gdk_window_input_shape_combine_mask   (GdkWindow       *window,
					    GdkBitmap       *mask,
					    gint             x,
					    gint             y);
void gdk_window_input_shape_combine_region (GdkWindow       *window,
                                            const GdkRegion *shape_region,
                                            gint             offset_x,
                                            gint             offset_y);
void gdk_window_set_child_input_shapes     (GdkWindow       *window);
void gdk_window_merge_child_input_shapes   (GdkWindow       *window);


/*
 * Check if a window has been shown, and whether all its
 * parents up to a toplevel have been shown, respectively.
 * Note that a window that is_viewable below is not necessarily
 * viewable in the X sense.
 */
gboolean gdk_window_is_visible     (GdkWindow *window);
gboolean gdk_window_is_viewable    (GdkWindow *window);

GdkWindowState gdk_window_get_state (GdkWindow *window);

/* Set static bit gravity on the parent, and static
 * window gravity on all children.
 */
gboolean gdk_window_set_static_gravities (GdkWindow *window,
					  gboolean   use_static);   

/* Functions to create/lookup windows from their native equivalents */ 
#ifndef GDK_MULTIHEAD_SAFE
GdkWindow*    gdk_window_foreign_new (GdkNativeWindow anid);
GdkWindow*    gdk_window_lookup      (GdkNativeWindow anid);
#endif
GdkWindow    *gdk_window_foreign_new_for_display (GdkDisplay      *display,
						  GdkNativeWindow  anid);
GdkWindow*    gdk_window_lookup_for_display (GdkDisplay      *display,
					     GdkNativeWindow  anid);


/* GdkWindow */

void              gdk_window_set_type_hint (GdkWindow        *window,
                                            GdkWindowTypeHint hint);
GdkWindowTypeHint gdk_window_get_type_hint (GdkWindow        *window);

void          gdk_window_set_modal_hint   (GdkWindow       *window,
                                           gboolean         modal);

void gdk_window_set_skip_taskbar_hint (GdkWindow *window,
                                       gboolean   skips_taskbar);
void gdk_window_set_skip_pager_hint   (GdkWindow *window,
                                       gboolean   skips_pager);
void gdk_window_set_urgency_hint      (GdkWindow *window,
				       gboolean   urgent);

void          gdk_window_set_geometry_hints (GdkWindow          *window,
					     const GdkGeometry  *geometry,
					     GdkWindowHints      geom_mask);
void          gdk_set_sm_client_id          (const gchar        *sm_client_id);

void	      gdk_window_begin_paint_rect   (GdkWindow          *window,
					     const GdkRectangle *rectangle);
void	      gdk_window_begin_paint_region (GdkWindow          *window,
					     const GdkRegion    *region);
void	      gdk_window_end_paint          (GdkWindow          *window);
void	      gdk_window_flush             (GdkWindow          *window);

void	      gdk_window_set_title	   (GdkWindow	  *window,
					    const gchar	  *title);
void          gdk_window_set_role          (GdkWindow       *window,
					    const gchar     *role);
void          gdk_window_set_startup_id    (GdkWindow       *window,
					    const gchar     *startup_id);					  
void          gdk_window_set_transient_for (GdkWindow       *window, 
					    GdkWindow       *parent);
void	      gdk_window_set_background	 (GdkWindow	  *window,
					  const GdkColor  *color);
void	      gdk_window_set_back_pixmap (GdkWindow	  *window,
					  GdkPixmap	  *pixmap,
					  gboolean	   parent_relative);
void	      gdk_window_set_cursor	 (GdkWindow	  *window,
					  GdkCursor	  *cursor);
GdkCursor    *gdk_window_get_cursor      (GdkWindow       *window);
void	      gdk_window_get_user_data	 (GdkWindow	  *window,
					  gpointer	  *data);
void	      gdk_window_get_geometry	 (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y,
					  gint		  *width,
					  gint		  *height,
					  gint		  *depth);
void	      gdk_window_get_position	 (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y);
gint	      gdk_window_get_origin	 (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y);
void	      gdk_window_get_root_coords (GdkWindow	  *window,
					  gint             x,
					  gint             y,
					  gint		  *root_x,
					  gint		  *root_y);
void       gdk_window_coords_to_parent   (GdkWindow       *window,
                                          gdouble          x,
                                          gdouble          y,
                                          gdouble         *parent_x,
                                          gdouble         *parent_y);
void       gdk_window_coords_from_parent (GdkWindow       *window,
                                          gdouble          parent_x,
                                          gdouble          parent_y,
                                          gdouble         *x,
                                          gdouble         *y);

#if !defined (GDK_DISABLE_DEPRECATED) || defined (GTK_COMPILATION) || defined (GDK_COMPILATION)
/* Used by gtk_handle_box_button_changed () */
gboolean      gdk_window_get_deskrelative_origin (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y);
#endif

void	      gdk_window_get_root_origin (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y);
void          gdk_window_get_frame_extents (GdkWindow     *window,
                                            GdkRectangle  *rect);
GdkWindow*    gdk_window_get_pointer	 (GdkWindow	  *window,
					  gint		  *x,
					  gint		  *y,
					  GdkModifierType *mask);
GdkWindow *   gdk_window_get_parent      (GdkWindow       *window);
GdkWindow *   gdk_window_get_toplevel    (GdkWindow       *window);

GdkWindow *   gdk_window_get_effective_parent   (GdkWindow *window);
GdkWindow *   gdk_window_get_effective_toplevel (GdkWindow *window);

GList *	      gdk_window_get_children	 (GdkWindow	  *window);
GList *       gdk_window_peek_children   (GdkWindow       *window);
GdkEventMask  gdk_window_get_events	 (GdkWindow	  *window);
void	      gdk_window_set_events	 (GdkWindow	  *window,
					  GdkEventMask	   event_mask);

void          gdk_window_set_icon_list   (GdkWindow       *window,
					  GList           *pixbufs);
void	      gdk_window_set_icon	 (GdkWindow	  *window, 
					  GdkWindow	  *icon_window,
					  GdkPixmap	  *pixmap,
					  GdkBitmap	  *mask);
void	      gdk_window_set_icon_name	 (GdkWindow	  *window, 
					  const gchar	  *name);
void	      gdk_window_set_group	 (GdkWindow	  *window, 
					  GdkWindow	  *leader);
GdkWindow*    gdk_window_get_group	 (GdkWindow	  *window);
void	      gdk_window_set_decorations (GdkWindow	  *window,
					  GdkWMDecoration  decorations);
gboolean      gdk_window_get_decorations (GdkWindow       *window,
					  GdkWMDecoration *decorations);
void	      gdk_window_set_functions	 (GdkWindow	  *window,
					  GdkWMFunction	   functions);
#if !defined(GDK_MULTIHEAD_SAFE) && !defined(GDK_DISABLE_DEPRECATED)
GList *       gdk_window_get_toplevels   (void);
#endif

void          gdk_window_beep            (GdkWindow       *window);
void          gdk_window_iconify         (GdkWindow       *window);
void          gdk_window_deiconify       (GdkWindow       *window);
void          gdk_window_stick           (GdkWindow       *window);
void          gdk_window_unstick         (GdkWindow       *window);
void          gdk_window_maximize        (GdkWindow       *window);
void          gdk_window_unmaximize      (GdkWindow       *window);
void          gdk_window_fullscreen      (GdkWindow       *window);
void          gdk_window_unfullscreen    (GdkWindow       *window);
void          gdk_window_set_keep_above  (GdkWindow       *window,
                                          gboolean         setting);
void          gdk_window_set_keep_below  (GdkWindow       *window,
                                          gboolean         setting);
void          gdk_window_set_opacity     (GdkWindow       *window,
                                          gdouble          opacity);
void          gdk_window_register_dnd    (GdkWindow       *window);

void gdk_window_begin_resize_drag (GdkWindow     *window,
                                   GdkWindowEdge  edge,
                                   gint           button,
                                   gint           root_x,
                                   gint           root_y,
                                   guint32        timestamp);
void gdk_window_begin_move_drag   (GdkWindow     *window,
                                   gint           button,
                                   gint           root_x,
                                   gint           root_y,
                                   guint32        timestamp);

/* Interface for dirty-region queueing */
void       gdk_window_invalidate_rect           (GdkWindow          *window,
					         const GdkRectangle *rect,
					         gboolean            invalidate_children);
void       gdk_window_invalidate_region         (GdkWindow          *window,
					         const GdkRegion    *region,
					         gboolean            invalidate_children);
void       gdk_window_invalidate_maybe_recurse  (GdkWindow          *window,
						 const GdkRegion    *region,
						 gboolean (*child_func) (GdkWindow *, gpointer),
						 gpointer   user_data);
GdkRegion *gdk_window_get_update_area     (GdkWindow    *window);

void       gdk_window_freeze_updates      (GdkWindow    *window);
void       gdk_window_thaw_updates        (GdkWindow    *window);

void       gdk_window_freeze_toplevel_updates_libgtk_only (GdkWindow *window);
void       gdk_window_thaw_toplevel_updates_libgtk_only   (GdkWindow *window);

void       gdk_window_process_all_updates (void);
void       gdk_window_process_updates     (GdkWindow    *window,
					   gboolean      update_children);

/* Enable/disable flicker, so you can tell if your code is inefficient. */
void       gdk_window_set_debug_updates   (gboolean      setting);

void       gdk_window_constrain_size      (GdkGeometry  *geometry,
                                           guint         flags,
                                           gint          width,
                                           gint          height,
                                           gint         *new_width,
                                           gint         *new_height);

void gdk_window_get_internal_paint_info (GdkWindow    *window,
					 GdkDrawable **real_drawable,
					 gint         *x_offset,
					 gint         *y_offset);

void gdk_window_enable_synchronized_configure (GdkWindow *window);
void gdk_window_configure_finished            (GdkWindow *window);

#ifndef GDK_MULTIHEAD_SAFE
GdkPointerHooks *gdk_set_pointer_hooks (const GdkPointerHooks *new_hooks);   
#endif /* GDK_MULTIHEAD_SAFE */

GdkWindow *gdk_get_default_root_window (void);

/* Offscreen redirection */
GdkPixmap *gdk_offscreen_window_get_pixmap     (GdkWindow     *window);
void       gdk_offscreen_window_set_embedder   (GdkWindow     *window,
						GdkWindow     *embedder);
GdkWindow *gdk_offscreen_window_get_embedder   (GdkWindow     *window);
void       gdk_window_geometry_changed         (GdkWindow     *window);

void       gdk_window_redirect_to_drawable   (GdkWindow     *window,
                                              GdkDrawable   *drawable,
                                              gint           src_x,
                                              gint           src_y,
                                              gint           dest_x,
                                              gint           dest_y,
                                              gint           width,
                                              gint           height);
void       gdk_window_remove_redirection     (GdkWindow     *window);


G_END_DECLS

#endif /* __GDK_WINDOW_H__ */