forked from AuroraMiddleware/gtk
c4ecc3f4f7
... and its implementation in the X11 backend.
GDK does lots of work trying to reduce the region in expose events
so that when the server sends multiple expose events, touching the
same area we can make sure to only redraw stuff once. However:
(1) this is only relevant of there's tons of delay and multiple
expose events get sent
(2) we coalesce multiple events into a single expose event anyway
(3) we do this on the frame clock
But most importantly:
(4) Since the invention of compositing, servers caches all contents
anyway
250 lines
12 KiB
C
250 lines
12 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GDK_SURFACE_IMPL_H__
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#define __GDK_SURFACE_IMPL_H__
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#include <gdk/gdksurface.h>
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#include <gdk/gdkproperty.h>
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G_BEGIN_DECLS
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#define GDK_TYPE_SURFACE_IMPL (gdk_surface_impl_get_type ())
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#define GDK_SURFACE_IMPL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_SURFACE_IMPL, GdkSurfaceImpl))
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#define GDK_SURFACE_IMPL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_SURFACE_IMPL, GdkSurfaceImplClass))
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#define GDK_IS_SURFACE_IMPL(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_SURFACE_IMPL))
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#define GDK_IS_SURFACE_IMPL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_SURFACE_IMPL))
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#define GDK_SURFACE_IMPL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_SURFACE_IMPL, GdkSurfaceImplClass))
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typedef struct _GdkSurfaceImpl GdkSurfaceImpl;
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typedef struct _GdkSurfaceImplClass GdkSurfaceImplClass;
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struct _GdkSurfaceImpl
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{
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GObject parent;
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};
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struct _GdkSurfaceImplClass
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{
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GObjectClass parent_class;
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cairo_surface_t *
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(* ref_cairo_surface) (GdkSurface *surface);
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cairo_surface_t *
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(* create_similar_image_surface) (GdkSurface * surface,
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cairo_format_t format,
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int width,
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int height);
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void (* show) (GdkSurface *surface,
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gboolean already_mapped);
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void (* hide) (GdkSurface *surface);
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void (* withdraw) (GdkSurface *surface);
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void (* raise) (GdkSurface *surface);
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void (* lower) (GdkSurface *surface);
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void (* restack_toplevel) (GdkSurface *surface,
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GdkSurface *sibling,
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gboolean above);
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void (* move_resize) (GdkSurface *surface,
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gboolean with_move,
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gint x,
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gint y,
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gint width,
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gint height);
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void (* move_to_rect) (GdkSurface *surface,
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const GdkRectangle *rect,
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GdkGravity rect_anchor,
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GdkGravity surface_anchor,
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GdkAnchorHints anchor_hints,
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gint rect_anchor_dx,
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gint rect_anchor_dy);
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GdkEventMask (* get_events) (GdkSurface *surface);
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void (* set_events) (GdkSurface *surface,
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GdkEventMask event_mask);
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void (* get_geometry) (GdkSurface *surface,
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gint *x,
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gint *y,
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gint *width,
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gint *height);
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void (* get_root_coords) (GdkSurface *surface,
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gint x,
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gint y,
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gint *root_x,
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gint *root_y);
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gboolean (* get_device_state) (GdkSurface *surface,
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GdkDevice *device,
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gdouble *x,
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gdouble *y,
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GdkModifierType *mask);
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gboolean (* begin_paint) (GdkSurface *surface);
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void (* end_paint) (GdkSurface *surface);
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void (* shape_combine_region) (GdkSurface *surface,
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const cairo_region_t *shape_region,
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gint offset_x,
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gint offset_y);
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void (* input_shape_combine_region) (GdkSurface *surface,
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const cairo_region_t *shape_region,
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gint offset_x,
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gint offset_y);
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/* Called to do the windowing system specific part of gdk_surface_destroy(),
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*
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* surface: The window being destroyed
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* recursing: If TRUE, then this is being called because a parent
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* was destroyed. This generally means that the call to the windowing
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* system to destroy the surface can be omitted, since it will be
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* destroyed as a result of the parent being destroyed.
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* Unless @foreign_destroy
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* foreign_destroy: If TRUE, the surface or a parent was destroyed by some
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* external agency. The surface has already been destroyed and no
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* windowing system calls should be made. (This may never happen
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* for some windowing systems.)
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*/
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void (* destroy) (GdkSurface *surface,
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gboolean recursing,
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gboolean foreign_destroy);
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/* optional */
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gboolean (* beep) (GdkSurface *surface);
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void (* focus) (GdkSurface *surface,
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guint32 timestamp);
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void (* set_type_hint) (GdkSurface *surface,
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GdkSurfaceTypeHint hint);
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GdkSurfaceTypeHint (* get_type_hint) (GdkSurface *surface);
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void (* set_modal_hint) (GdkSurface *surface,
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gboolean modal);
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void (* set_skip_taskbar_hint) (GdkSurface *surface,
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gboolean skips_taskbar);
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void (* set_skip_pager_hint) (GdkSurface *surface,
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gboolean skips_pager);
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void (* set_urgency_hint) (GdkSurface *surface,
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gboolean urgent);
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void (* set_geometry_hints) (GdkSurface *surface,
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const GdkGeometry *geometry,
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GdkSurfaceHints geom_mask);
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void (* set_title) (GdkSurface *surface,
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const gchar *title);
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void (* set_role) (GdkSurface *surface,
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const gchar *role);
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void (* set_startup_id) (GdkSurface *surface,
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const gchar *startup_id);
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void (* set_transient_for) (GdkSurface *surface,
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GdkSurface *parent);
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void (* get_frame_extents) (GdkSurface *surface,
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GdkRectangle *rect);
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void (* set_accept_focus) (GdkSurface *surface,
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gboolean accept_focus);
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void (* set_focus_on_map) (GdkSurface *surface,
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gboolean focus_on_map);
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void (* set_icon_list) (GdkSurface *surface,
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GList *pixbufs);
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void (* set_icon_name) (GdkSurface *surface,
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const gchar *name);
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void (* iconify) (GdkSurface *surface);
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void (* deiconify) (GdkSurface *surface);
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void (* stick) (GdkSurface *surface);
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void (* unstick) (GdkSurface *surface);
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void (* maximize) (GdkSurface *surface);
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void (* unmaximize) (GdkSurface *surface);
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void (* fullscreen) (GdkSurface *surface);
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void (* fullscreen_on_monitor) (GdkSurface *surface,
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GdkMonitor *monitor);
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void (* apply_fullscreen_mode) (GdkSurface *surface);
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void (* unfullscreen) (GdkSurface *surface);
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void (* set_keep_above) (GdkSurface *surface,
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gboolean setting);
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void (* set_keep_below) (GdkSurface *surface,
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gboolean setting);
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GdkSurface * (* get_group) (GdkSurface *surface);
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void (* set_group) (GdkSurface *surface,
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GdkSurface *leader);
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void (* set_decorations) (GdkSurface *surface,
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GdkWMDecoration decorations);
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gboolean (* get_decorations) (GdkSurface *surface,
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GdkWMDecoration *decorations);
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void (* set_functions) (GdkSurface *surface,
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GdkWMFunction functions);
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void (* begin_resize_drag) (GdkSurface *surface,
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GdkSurfaceEdge edge,
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GdkDevice *device,
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gint button,
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gint root_x,
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gint root_y,
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guint32 timestamp);
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void (* begin_move_drag) (GdkSurface *surface,
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GdkDevice *device,
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gint button,
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gint root_x,
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gint root_y,
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guint32 timestamp);
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void (* enable_synchronized_configure) (GdkSurface *surface);
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void (* configure_finished) (GdkSurface *surface);
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void (* set_opacity) (GdkSurface *surface,
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gdouble opacity);
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void (* destroy_notify) (GdkSurface *surface);
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void (* register_dnd) (GdkSurface *surface);
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GdkDragContext * (*drag_begin) (GdkSurface *surface,
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GdkDevice *device,
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GdkContentProvider*content,
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GdkDragAction actions,
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gint dx,
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gint dy);
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void (*process_updates_recurse) (GdkSurface *surface,
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cairo_region_t *region);
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gint (* get_scale_factor) (GdkSurface *surface);
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void (* get_unscaled_size) (GdkSurface *surface,
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int *unscaled_width,
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int *unscaled_height);
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void (* set_opaque_region) (GdkSurface *surface,
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cairo_region_t *region);
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void (* set_shadow_width) (GdkSurface *surface,
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gint left,
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gint right,
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gint top,
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gint bottom);
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gboolean (* show_window_menu) (GdkSurface *surface,
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GdkEvent *event);
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GdkGLContext *(*create_gl_context) (GdkSurface *surface,
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gboolean attached,
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GdkGLContext *share,
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GError **error);
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gboolean (* supports_edge_constraints)(GdkSurface *surface);
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};
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/* Interface Functions */
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GType gdk_surface_impl_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GDK_SURFACE_IMPL_H__ */
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