forked from AuroraMiddleware/gtk
249 lines
7.9 KiB
C
249 lines
7.9 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2019 Red Hat, Inc.
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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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/* Uninstalled header defining types and functions internal to GDK */
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#ifndef __GDK_SURFACE_PRIVATE_H__
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#define __GDK_SURFACE_PRIVATE_H__
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "gdkenumtypes.h"
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#include "gdksurface.h"
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G_BEGIN_DECLS
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typedef enum
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{
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GDK_SURFACE_TOPLEVEL,
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GDK_SURFACE_TEMP,
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GDK_SURFACE_POPUP
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} GdkSurfaceType;
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struct _GdkSurface
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{
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GObject parent_instance;
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GdkDisplay *display;
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GdkSurface *transient_for; /* for toplevels */
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GdkSurface *parent; /* for popups */
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GList *children; /* popups */
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gpointer widget;
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gint x;
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gint y;
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guint8 resize_count;
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GdkGLContext *gl_paint_context;
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cairo_region_t *update_area;
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guint update_freeze_count;
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gboolean pending_schedule_update;
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/* This is the update_area that was in effect when the current expose
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started. It may be smaller than the expose area if we'e painting
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more than we have to, but it represents the "true" damage. */
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cairo_region_t *active_update_area;
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GdkSurfaceState old_state;
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GdkSurfaceState state;
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guint8 alpha;
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guint8 fullscreen_mode;
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guint modal_hint : 1;
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guint destroyed : 2;
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guint support_multidevice : 1;
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guint in_update : 1;
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guint frame_clock_events_paused : 1;
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guint autohide : 1;
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struct {
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GdkGravity surface_anchor;
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GdkGravity rect_anchor;
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} popup;
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guint update_and_descendants_freeze_count;
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gint width, height;
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gint shadow_top;
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gint shadow_left;
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gint shadow_right;
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gint shadow_bottom;
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GdkCursor *cursor;
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GHashTable *device_cursor;
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cairo_region_t *input_region;
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GList *devices_inside;
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GdkFrameClock *frame_clock; /* NULL to use from parent or default */
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GSList *draw_contexts;
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GdkDrawContext *paint_context;
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cairo_region_t *opaque_region;
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guint shortcuts_inhibited : 1;
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GdkSeat *current_shortcuts_inhibited_seat;
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};
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struct _GdkSurfaceClass
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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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void (* hide) (GdkSurface *surface);
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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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void (* set_input_region) (GdkSurface *surface,
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cairo_region_t *shape_region);
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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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* 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 foreign_destroy);
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/* optional */
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gboolean (* beep) (GdkSurface *surface);
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void (* destroy_notify) (GdkSurface *surface);
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GdkDrag * (* 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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double dx,
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double dy);
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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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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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};
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void gdk_surface_set_state (GdkSurface *surface,
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GdkSurfaceState new_state);
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void gdk_surface_layout_popup_helper (GdkSurface *surface,
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int width,
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int height,
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GdkPopupLayout *layout,
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GdkRectangle *out_final_rect);
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static inline GdkGravity
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gdk_gravity_flip_horizontally (GdkGravity anchor)
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{
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switch (anchor)
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{
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default:
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case GDK_GRAVITY_STATIC:
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case GDK_GRAVITY_NORTH_WEST:
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return GDK_GRAVITY_NORTH_EAST;
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case GDK_GRAVITY_NORTH:
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return GDK_GRAVITY_NORTH;
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case GDK_GRAVITY_NORTH_EAST:
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return GDK_GRAVITY_NORTH_WEST;
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case GDK_GRAVITY_WEST:
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return GDK_GRAVITY_EAST;
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case GDK_GRAVITY_CENTER:
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return GDK_GRAVITY_CENTER;
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case GDK_GRAVITY_EAST:
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return GDK_GRAVITY_WEST;
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case GDK_GRAVITY_SOUTH_WEST:
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return GDK_GRAVITY_SOUTH_EAST;
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case GDK_GRAVITY_SOUTH:
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return GDK_GRAVITY_SOUTH;
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case GDK_GRAVITY_SOUTH_EAST:
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return GDK_GRAVITY_SOUTH_WEST;
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}
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g_assert_not_reached ();
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}
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static inline GdkGravity
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gdk_gravity_flip_vertically (GdkGravity anchor)
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{
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switch (anchor)
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{
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default:
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case GDK_GRAVITY_STATIC:
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case GDK_GRAVITY_NORTH_WEST:
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return GDK_GRAVITY_SOUTH_WEST;
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case GDK_GRAVITY_NORTH:
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return GDK_GRAVITY_SOUTH;
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case GDK_GRAVITY_NORTH_EAST:
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return GDK_GRAVITY_SOUTH_EAST;
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case GDK_GRAVITY_WEST:
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return GDK_GRAVITY_WEST;
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case GDK_GRAVITY_CENTER:
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return GDK_GRAVITY_CENTER;
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case GDK_GRAVITY_EAST:
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return GDK_GRAVITY_EAST;
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case GDK_GRAVITY_SOUTH_WEST:
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return GDK_GRAVITY_NORTH_WEST;
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case GDK_GRAVITY_SOUTH:
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return GDK_GRAVITY_NORTH;
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case GDK_GRAVITY_SOUTH_EAST:
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return GDK_GRAVITY_NORTH_EAST;
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}
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g_assert_not_reached ();
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}
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G_END_DECLS
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#endif /* __GDK_SURFACE_PRIVATE_H__ */
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