X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=gdk%2Fgdkoffscreenwindow.c;h=aed09e0e83097d92756c9a580811a2ae8d408421;hb=HEAD;hp=8a020bbe60a511b260422143733f5d24214ae21e;hpb=0111030586706f91f3271094280ad23559c47b36;p=~andy%2Fgtk
diff --git a/gdk/gdkoffscreenwindow.c b/gdk/gdkoffscreenwindow.c
index 8a020bbe6..aed09e0e8 100644
--- a/gdk/gdkoffscreenwindow.c
+++ b/gdk/gdkoffscreenwindow.c
@@ -12,9 +12,7 @@
* 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.
+ * License along with this library. If not, see .
*/
/*
@@ -24,20 +22,13 @@
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
-#include
-#include
-#include "gdk.h"
+#include "config.h"
+
#include "gdkwindow.h"
#include "gdkinternals.h"
#include "gdkwindowimpl.h"
-#include "gdkpixmap.h"
-#include "gdkdrawable.h"
-#include "gdktypes.h"
-#include "gdkscreen.h"
-#include "gdkgc.h"
-#include "gdkcolor.h"
-#include "gdkcursor.h"
-#include "gdkalias.h"
+
+#include
/* LIMITATIONS:
*
@@ -51,20 +42,17 @@ typedef struct _GdkOffscreenWindowClass GdkOffscreenWindowClass;
struct _GdkOffscreenWindow
{
- GdkDrawable parent_instance;
+ GdkWindowImpl parent_instance;
GdkWindow *wrapper;
- GdkCursor *cursor;
- GdkColormap *colormap;
- GdkScreen *screen;
- GdkPixmap *pixmap;
+ cairo_surface_t *surface;
GdkWindow *embedder;
};
struct _GdkOffscreenWindowClass
{
- GdkDrawableClass parent_class;
+ GdkWindowImplClass parent_class;
};
#define GDK_TYPE_OFFSCREEN_WINDOW (gdk_offscreen_window_get_type())
@@ -74,14 +62,9 @@ struct _GdkOffscreenWindowClass
#define GDK_IS_OFFSCREEN_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_OFFSCREEN_WINDOW))
#define GDK_OFFSCREEN_WINDOW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_OFFSCREEN_WINDOW, GdkOffscreenWindowClass))
-static void gdk_offscreen_window_impl_iface_init (GdkWindowImplIface *iface);
static void gdk_offscreen_window_hide (GdkWindow *window);
-G_DEFINE_TYPE_WITH_CODE (GdkOffscreenWindow,
- gdk_offscreen_window,
- GDK_TYPE_DRAWABLE,
- G_IMPLEMENT_INTERFACE (GDK_TYPE_WINDOW_IMPL,
- gdk_offscreen_window_impl_iface_init));
+G_DEFINE_TYPE (GdkOffscreenWindow, gdk_offscreen_window, GDK_TYPE_WINDOW_IMPL)
static void
@@ -89,12 +72,8 @@ gdk_offscreen_window_finalize (GObject *object)
{
GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (object);
- if (offscreen->cursor)
- gdk_cursor_unref (offscreen->cursor);
-
- offscreen->cursor = NULL;
-
- gdk_pixmap_unref (offscreen->pixmap);
+ if (offscreen->surface)
+ cairo_surface_destroy (offscreen->surface);
G_OBJECT_CLASS (gdk_offscreen_window_parent_class)->finalize (object);
}
@@ -106,21 +85,29 @@ gdk_offscreen_window_init (GdkOffscreenWindow *window)
static void
gdk_offscreen_window_destroy (GdkWindow *window,
- gboolean recursing,
- gboolean foreign_destroy)
+ gboolean recursing,
+ gboolean foreign_destroy)
{
- GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
- GdkOffscreenWindow *offscreen;
-
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
-
gdk_offscreen_window_set_embedder (window, NULL);
-
+
if (!recursing)
gdk_offscreen_window_hide (window);
+}
+
+static cairo_surface_t *
+get_surface (GdkOffscreenWindow *offscreen)
+{
+ if (! offscreen->surface)
+ {
+ GdkWindow *window = offscreen->wrapper;
+
+ g_signal_emit_by_name (window, "create-surface",
+ window->width,
+ window->height,
+ &offscreen->surface);
+ }
- g_object_unref (offscreen->colormap);
- offscreen->colormap = NULL;
+ return offscreen->surface;
}
static gboolean
@@ -141,468 +128,38 @@ is_parent_of (GdkWindow *parent,
return FALSE;
}
-static GdkGC *
-gdk_offscreen_window_create_gc (GdkDrawable *drawable,
- GdkGCValues *values,
- GdkGCValuesMask values_mask)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return gdk_gc_new_with_values (offscreen->pixmap, values, values_mask);
-}
-
-static GdkImage*
-gdk_offscreen_window_copy_to_image (GdkDrawable *drawable,
- GdkImage *image,
- gint src_x,
- gint src_y,
- gint dest_x,
- gint dest_y,
- gint width,
- gint height)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return gdk_drawable_copy_to_image (offscreen->pixmap,
- image,
- src_x,
- src_y,
- dest_x, dest_y,
- width, height);
-}
-
static cairo_surface_t *
-gdk_offscreen_window_ref_cairo_surface (GdkDrawable *drawable)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return _gdk_drawable_ref_cairo_surface (offscreen->pixmap);
-}
-
-static GdkColormap*
-gdk_offscreen_window_get_colormap (GdkDrawable *drawable)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return offscreen->colormap;
-}
-
-static void
-gdk_offscreen_window_set_colormap (GdkDrawable *drawable,
- GdkColormap*colormap)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- if (colormap && GDK_WINDOW_DESTROYED (offscreen->wrapper))
- return;
-
- if (offscreen->colormap == colormap)
- return;
-
- if (offscreen->colormap)
- g_object_unref (offscreen->colormap);
-
- offscreen->colormap = colormap;
- if (offscreen->colormap)
- g_object_ref (offscreen->colormap);
-}
-
-
-static gint
-gdk_offscreen_window_get_depth (GdkDrawable *drawable)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return gdk_drawable_get_depth (offscreen->wrapper);
-}
-
-static GdkDrawable *
-gdk_offscreen_window_get_source_drawable (GdkDrawable *drawable)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
-
- return _gdk_drawable_get_source_drawable (offscreen->pixmap);
-}
-
-static GdkDrawable *
-gdk_offscreen_window_get_composite_drawable (GdkDrawable *drawable,
- gint x,
- gint y,
- gint width,
- gint height,
- gint *composite_x_offset,
- gint *composite_y_offset)
+gdk_offscreen_window_ref_cairo_surface (GdkWindow *window)
{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
+ GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
- return g_object_ref (offscreen->pixmap);
+ return cairo_surface_reference (get_surface (offscreen));
}
-static GdkScreen*
-gdk_offscreen_window_get_screen (GdkDrawable *drawable)
+cairo_surface_t *
+_gdk_offscreen_window_create_surface (GdkWindow *offscreen,
+ gint width,
+ gint height)
{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
+ cairo_surface_t *similar;
+ cairo_surface_t *surface;
- return offscreen->screen;
-}
+ g_return_val_if_fail (GDK_IS_OFFSCREEN_WINDOW (offscreen->impl), NULL);
-static GdkVisual*
-gdk_offscreen_window_get_visual (GdkDrawable *drawable)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
+ similar = _gdk_window_ref_cairo_surface (offscreen->parent);
- return gdk_drawable_get_visual (offscreen->wrapper);
-}
+ surface = cairo_surface_create_similar (similar, CAIRO_CONTENT_COLOR_ALPHA, width, height);
-static void
-add_damage (GdkOffscreenWindow *offscreen,
- int x, int y,
- int w, int h)
-{
- GdkRectangle rect;
- GdkRegion *damage;
-
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
-
- damage = gdk_region_rectangle (&rect);
- _gdk_window_add_damage (offscreen->wrapper, damage);
- gdk_region_destroy (damage);
-}
-
-static GdkDrawable *
-get_real_drawable (GdkOffscreenWindow *offscreen)
-{
- GdkPixmapObject *pixmap;
- pixmap = (GdkPixmapObject *) offscreen->pixmap;
- return GDK_DRAWABLE (pixmap->impl);
-}
-
-static void
-gdk_offscreen_window_draw_drawable (GdkDrawable *drawable,
- GdkGC *gc,
- GdkPixmap *src,
- gint xsrc,
- gint ysrc,
- gint xdest,
- gint ydest,
- gint width,
- gint height,
- GdkDrawable *original_src)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_drawable (real_drawable, gc,
- src, xsrc, ysrc,
- xdest, ydest,
- width, height);
-
- add_damage (offscreen, xdest, ydest, width, height);
-}
-
-static void
-gdk_offscreen_window_draw_rectangle (GdkDrawable *drawable,
- GdkGC *gc,
- gboolean filled,
- gint x,
- gint y,
- gint width,
- gint height)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_rectangle (real_drawable,
- gc, filled, x, y, width, height);
-
- add_damage (offscreen, x, y, width, height);
-
-}
-
-static void
-gdk_offscreen_window_draw_arc (GdkDrawable *drawable,
- GdkGC *gc,
- gboolean filled,
- gint x,
- gint y,
- gint width,
- gint height,
- gint angle1,
- gint angle2)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_arc (real_drawable,
- gc,
- filled,
- x,
- y,
- width,
- height,
- angle1,
- angle2);
- add_damage (offscreen, x, y, width, height);
-}
-
-static void
-gdk_offscreen_window_draw_polygon (GdkDrawable *drawable,
- GdkGC *gc,
- gboolean filled,
- GdkPoint *points,
- gint npoints)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_polygon (real_drawable,
- gc,
- filled,
- points,
- npoints);
-
- if (npoints > 0)
- {
- int min_x, min_y, max_x, max_y, i;
-
- min_x = max_x = points[0].x;
- min_y = max_y = points[0].y;
-
- for (i = 1; i < npoints; i++)
- {
- min_x = MIN (min_x, points[i].x);
- max_x = MAX (max_x, points[i].x);
- min_y = MIN (min_y, points[i].y);
- max_y = MAX (max_y, points[i].y);
- }
-
- add_damage (offscreen, min_x, min_y,
- max_x - min_x,
- max_y - min_y);
- }
-}
-
-static void
-gdk_offscreen_window_draw_text (GdkDrawable *drawable,
- GdkFont *font,
- GdkGC *gc,
- gint x,
- gint y,
- const gchar *text,
- gint text_length)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
- GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
-
- gdk_draw_text (real_drawable,
- font,
- gc,
- x,
- y,
- text,
- text_length);
-
- /* Hard to compute the minimal size, not that often used anyway. */
- add_damage (offscreen, 0, 0, private->width, private->height);
-}
-
-static void
-gdk_offscreen_window_draw_text_wc (GdkDrawable *drawable,
- GdkFont *font,
- GdkGC *gc,
- gint x,
- gint y,
- const GdkWChar *text,
- gint text_length)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
- GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
-
- gdk_draw_text_wc (real_drawable,
- font,
- gc,
- x,
- y,
- text,
- text_length);
-
- /* Hard to compute the minimal size, not that often used anyway. */
- add_damage (offscreen, 0, 0, private->width, private->height);
-}
-
-static void
-gdk_offscreen_window_draw_points (GdkDrawable *drawable,
- GdkGC *gc,
- GdkPoint *points,
- gint npoints)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_points (real_drawable,
- gc,
- points,
- npoints);
-
-
- if (npoints > 0)
- {
- int min_x, min_y, max_x, max_y, i;
-
- min_x = max_x = points[0].x;
- min_y = max_y = points[0].y;
-
- for (i = 1; i < npoints; i++)
- {
- min_x = MIN (min_x, points[i].x);
- max_x = MAX (max_x, points[i].x);
- min_y = MIN (min_y, points[i].y);
- max_y = MAX (max_y, points[i].y);
- }
-
- add_damage (offscreen, min_x, min_y,
- max_x - min_x,
- max_y - min_y);
- }
-}
-
-static void
-gdk_offscreen_window_draw_segments (GdkDrawable *drawable,
- GdkGC *gc,
- GdkSegment *segs,
- gint nsegs)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_segments (real_drawable,
- gc,
- segs,
- nsegs);
-
- if (nsegs > 0)
- {
- int min_x, min_y, max_x, max_y, i;
-
- min_x = max_x = segs[0].x1;
- min_y = max_y = segs[0].y1;
-
- for (i = 1; i < nsegs; i++)
- {
- min_x = MIN (min_x, segs[i].x1);
- max_x = MAX (max_x, segs[i].x1);
- min_x = MIN (min_x, segs[i].x2);
- max_x = MAX (max_x, segs[i].x2);
- min_y = MIN (min_y, segs[i].y1);
- max_y = MAX (max_y, segs[i].y1);
- min_y = MIN (min_y, segs[i].y2);
- max_y = MAX (max_y, segs[i].y2);
- }
-
- add_damage (offscreen, min_x, min_y,
- max_x - min_x,
- max_y - min_y);
- }
-
-}
-
-static void
-gdk_offscreen_window_draw_lines (GdkDrawable *drawable,
- GdkGC *gc,
- GdkPoint *points,
- gint npoints)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
- GdkWindowObject *private = GDK_WINDOW_OBJECT (offscreen->wrapper);
-
- gdk_draw_lines (real_drawable,
- gc,
- points,
- npoints);
-
- /* Hard to compute the minimal size, as we don't know the line
- width, and since joins are hard to calculate.
- Its not that often used anyway, damage it all */
- add_damage (offscreen, 0, 0, private->width, private->height);
-}
-
-static void
-gdk_offscreen_window_draw_image (GdkDrawable *drawable,
- GdkGC *gc,
- GdkImage *image,
- gint xsrc,
- gint ysrc,
- gint xdest,
- gint ydest,
- gint width,
- gint height)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_image (real_drawable,
- gc,
- image,
- xsrc,
- ysrc,
- xdest,
- ydest,
- width,
- height);
-
- add_damage (offscreen, xdest, ydest, width, height);
-}
-
-
-static void
-gdk_offscreen_window_draw_pixbuf (GdkDrawable *drawable,
- GdkGC *gc,
- GdkPixbuf *pixbuf,
- gint src_x,
- gint src_y,
- gint dest_x,
- gint dest_y,
- gint width,
- gint height,
- GdkRgbDither dither,
- gint x_dither,
- gint y_dither)
-{
- GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (drawable);
- GdkDrawable *real_drawable = get_real_drawable (offscreen);
-
- gdk_draw_pixbuf (real_drawable,
- gc,
- pixbuf,
- src_x,
- src_y,
- dest_x,
- dest_y,
- width,
- height,
- dither,
- x_dither,
- y_dither);
-
- add_damage (offscreen, dest_x, dest_y, width, height);
+ cairo_surface_destroy (similar);
+ return surface;
}
void
_gdk_offscreen_window_new (GdkWindow *window,
- GdkScreen *screen,
- GdkVisual *visual,
GdkWindowAttr *attributes,
gint attributes_mask)
{
- GdkWindowObject *parent_private;
- GdkWindowObject *private;
GdkOffscreenWindow *offscreen;
g_return_if_fail (attributes != NULL);
@@ -610,35 +167,12 @@ _gdk_offscreen_window_new (GdkWindow *window,
if (attributes->wclass != GDK_INPUT_OUTPUT)
return; /* Can't support input only offscreens */
- private = (GdkWindowObject *)window;
-
- if (private->parent != NULL && GDK_WINDOW_DESTROYED (private->parent))
+ if (window->parent != NULL && GDK_WINDOW_DESTROYED (window->parent))
return;
- parent_private = (GdkWindowObject*) private->parent;
- private->impl = g_object_new (GDK_TYPE_OFFSCREEN_WINDOW, NULL);
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ window->impl = g_object_new (GDK_TYPE_OFFSCREEN_WINDOW, NULL);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
offscreen->wrapper = window;
-
- offscreen->screen = screen;
-
- if (attributes_mask & GDK_WA_COLORMAP)
- offscreen->colormap = g_object_ref (attributes->colormap);
- else
- {
- if (gdk_screen_get_system_visual (screen) == visual)
- {
- offscreen->colormap = gdk_screen_get_system_colormap (screen);
- g_object_ref (offscreen->colormap);
- }
- else
- offscreen->colormap = gdk_colormap_new (visual, FALSE);
- }
-
- offscreen->pixmap = gdk_pixmap_new ((GdkDrawable *)private->parent,
- private->width,
- private->height,
- private->depth);
}
static gboolean
@@ -647,16 +181,13 @@ gdk_offscreen_window_reparent (GdkWindow *window,
gint x,
gint y)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkWindowObject *new_parent_private = (GdkWindowObject *)new_parent;
- GdkWindowObject *old_parent;
- GdkOffscreenWindow *offscreen;
+ GdkWindow *old_parent;
gboolean was_mapped;
if (new_parent)
{
/* No input-output children of input-only windows */
- if (new_parent_private->input_only && !private->input_only)
+ if (new_parent->input_only && !window->input_only)
return FALSE;
/* Don't create loops in hierarchy */
@@ -664,40 +195,41 @@ gdk_offscreen_window_reparent (GdkWindow *window,
return FALSE;
}
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
-
was_mapped = GDK_WINDOW_IS_MAPPED (window);
gdk_window_hide (window);
- if (private->parent)
- private->parent->children = g_list_remove (private->parent->children, window);
+ if (window->parent)
+ window->parent->children = g_list_remove (window->parent->children, window);
- old_parent = private->parent;
- private->parent = new_parent_private;
- private->x = x;
- private->y = y;
+ old_parent = window->parent;
+ window->parent = new_parent;
+ window->x = x;
+ window->y = y;
- if (new_parent_private)
- private->parent->children = g_list_prepend (private->parent->children, window);
+ if (new_parent)
+ window->parent->children = g_list_prepend (window->parent->children, window);
_gdk_synthesize_crossing_events_for_geometry_change (window);
if (old_parent)
- _gdk_synthesize_crossing_events_for_geometry_change (GDK_WINDOW (old_parent));
+ _gdk_synthesize_crossing_events_for_geometry_change (old_parent);
return was_mapped;
}
+static void
+gdk_offscreen_window_set_device_cursor (GdkWindow *window,
+ GdkDevice *device,
+ GdkCursor *cursor)
+{
+}
+
static void
from_embedder (GdkWindow *window,
double embedder_x, double embedder_y,
double *offscreen_x, double *offscreen_y)
{
- GdkWindowObject *private;
-
- private = (GdkWindowObject *)window;
-
- g_signal_emit_by_name (private->impl_window,
+ g_signal_emit_by_name (window->impl_window,
"from-embedder",
embedder_x, embedder_y,
offscreen_x, offscreen_y,
@@ -709,11 +241,7 @@ to_embedder (GdkWindow *window,
double offscreen_x, double offscreen_y,
double *embedder_x, double *embedder_y)
{
- GdkWindowObject *private;
-
- private = (GdkWindowObject *)window;
-
- g_signal_emit_by_name (private->impl_window,
+ g_signal_emit_by_name (window->impl_window,
"to-embedder",
offscreen_x, offscreen_y,
embedder_x, embedder_y,
@@ -727,14 +255,13 @@ gdk_offscreen_window_get_root_coords (GdkWindow *window,
gint *root_x,
gint *root_y)
{
- GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
GdkOffscreenWindow *offscreen;
int tmpx, tmpy;
tmpx = x;
tmpy = y;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
if (offscreen->embedder)
{
double dx, dy;
@@ -757,48 +284,13 @@ gdk_offscreen_window_get_root_coords (GdkWindow *window,
return TRUE;
}
-static gint
-gdk_offscreen_window_get_deskrelative_origin (GdkWindow *window,
- gint *x,
- gint *y)
-{
- GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
- GdkOffscreenWindow *offscreen;
- int tmpx, tmpy;
-
- tmpx = 0;
- tmpy = 0;
-
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
- if (offscreen->embedder)
- {
- double dx, dy;
- gdk_window_get_deskrelative_origin (offscreen->embedder,
- &tmpx, &tmpy);
-
- to_embedder (window,
- 0, 0,
- &dx, &dy);
- tmpx = floor (tmpx + dx + 0.5);
- tmpy = floor (tmpy + dy + 0.5);
- }
-
-
- if (x)
- *x = tmpx;
- if (y)
- *y = tmpy;
-
- return TRUE;
-}
-
static gboolean
-gdk_offscreen_window_get_pointer (GdkWindow *window,
- gint *x,
- gint *y,
- GdkModifierType *mask)
+gdk_offscreen_window_get_device_state (GdkWindow *window,
+ GdkDevice *device,
+ gint *x,
+ gint *y,
+ GdkModifierType *mask)
{
- GdkWindowObject *private = GDK_WINDOW_OBJECT (window);
GdkOffscreenWindow *offscreen;
int tmpx, tmpy;
double dtmpx, dtmpy;
@@ -808,10 +300,10 @@ gdk_offscreen_window_get_pointer (GdkWindow *window,
tmpy = 0;
tmpmask = 0;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
if (offscreen->embedder != NULL)
{
- gdk_window_get_pointer (offscreen->embedder, &tmpx, &tmpy, &tmpmask);
+ gdk_window_get_device_position (offscreen->embedder, device, &tmpx, &tmpy, &tmpmask);
from_embedder (window,
tmpx, tmpy,
&dtmpx, &dtmpy);
@@ -829,28 +321,28 @@ gdk_offscreen_window_get_pointer (GdkWindow *window,
}
/**
- * gdk_offscreen_window_get_pixmap:
+ * gdk_offscreen_window_get_surface:
* @window: a #GdkWindow
*
- * Gets the offscreen pixmap that an offscreen window renders into. If
- * you need to keep this around over window resizes, you need to add a
- * reference to it.
+ * Gets the offscreen surface that an offscreen window renders into.
+ * If you need to keep this around over window resizes, you need to
+ * add a reference to it.
*
- * Returns: The offscreen pixmap, or NULL if not offscreen
- **/
-GdkPixmap *
-gdk_offscreen_window_get_pixmap (GdkWindow *window)
+ * Returns: (transfer none): The offscreen surface, or %NULL if not offscreen
+ */
+cairo_surface_t *
+gdk_offscreen_window_get_surface (GdkWindow *window)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
GdkOffscreenWindow *offscreen;
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
- if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
+ if (!GDK_IS_OFFSCREEN_WINDOW (window->impl))
return NULL;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
- return offscreen->pixmap;
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
+
+ return get_surface (offscreen);
}
static void
@@ -869,60 +361,55 @@ gdk_offscreen_window_lower (GdkWindow *window)
static void
gdk_offscreen_window_move_resize_internal (GdkWindow *window,
- gint x,
- gint y,
- gint width,
- gint height,
- gboolean send_expose_events)
+ gint x,
+ gint y,
+ gint width,
+ gint height,
+ gboolean send_expose_events)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
GdkOffscreenWindow *offscreen;
- gint dx, dy, dw, dh;
- GdkGC *gc;
- GdkPixmap *old_pixmap;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
if (width < 1)
width = 1;
if (height < 1)
height = 1;
- if (private->destroyed)
+ if (window->destroyed)
return;
- dx = x - private->x;
- dy = y - private->y;
- dw = width - private->width;
- dh = height - private->height;
+ window->x = x;
+ window->y = y;
- private->x = x;
- private->y = y;
-
- if (private->width != width ||
- private->height != height)
+ if (window->width != width ||
+ window->height != height)
{
- private->width = width;
- private->height = height;
-
- old_pixmap = offscreen->pixmap;
- offscreen->pixmap = gdk_pixmap_new (GDK_DRAWABLE (old_pixmap),
- width,
- height,
- private->depth);
-
- gc = _gdk_drawable_get_scratch_gc (offscreen->pixmap, FALSE);
- gdk_draw_drawable (offscreen->pixmap,
- gc,
- old_pixmap,
- 0,0, 0, 0,
- -1, -1);
- g_object_unref (old_pixmap);
+ window->width = width;
+ window->height = height;
+
+ if (offscreen->surface)
+ {
+ cairo_surface_t *old_surface;
+ cairo_t *cr;
+
+ old_surface = offscreen->surface;
+ offscreen->surface = NULL;
+
+ offscreen->surface = get_surface (offscreen);
+
+ cr = cairo_create (offscreen->surface);
+ cairo_set_source_surface (cr, old_surface, 0, 0);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ cairo_surface_destroy (old_surface);
+ }
}
- if (GDK_WINDOW_IS_MAPPED (private))
+ if (GDK_WINDOW_IS_MAPPED (window))
{
- // TODO: Only invalidate new area, i.e. for larger windows
+ /* TODO: Only invalidate new area, i.e. for larger windows */
gdk_window_invalidate_rect (window, NULL, TRUE);
_gdk_synthesize_crossing_events_for_geometry_change (window);
}
@@ -930,62 +417,54 @@ gdk_offscreen_window_move_resize_internal (GdkWindow *window,
static void
gdk_offscreen_window_move_resize (GdkWindow *window,
- gboolean with_move,
- gint x,
- gint y,
- gint width,
- gint height)
+ gboolean with_move,
+ gint x,
+ gint y,
+ gint width,
+ gint height)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkOffscreenWindow *offscreen;
-
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
-
if (!with_move)
{
- x = private->x;
- y = private->y;
+ x = window->x;
+ y = window->y;
}
if (width < 0)
- width = private->width;
+ width = window->width;
if (height < 0)
- height = private->height;
+ height = window->height;
- gdk_offscreen_window_move_resize_internal (window, x, y,
- width, height,
- TRUE);
+ gdk_offscreen_window_move_resize_internal (window,
+ x, y, width, height,
+ TRUE);
}
static void
gdk_offscreen_window_show (GdkWindow *window,
gboolean already_mapped)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
+ GdkRectangle area = { 0, 0, window->width, window->height };
- gdk_window_clear_area_e (window, 0, 0,
- private->width, private->height);
+ gdk_window_invalidate_rect (window, &area, FALSE);
}
static void
gdk_offscreen_window_hide (GdkWindow *window)
{
- GdkWindowObject *private;
+ /* TODO: This needs updating to the new grab world */
+#if 0
GdkOffscreenWindow *offscreen;
GdkDisplay *display;
g_return_if_fail (window != NULL);
- private = (GdkWindowObject*) window;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
/* May need to break grabs on children */
- display = gdk_drawable_get_display (window);
+ display = gdk_window_get_display (window);
- /* TODO: This needs updating to the new grab world */
-#if 0
if (display->pointer_grab.window != NULL)
{
if (is_parent_of (window, display->pointer_grab.window))
@@ -1022,53 +501,13 @@ gdk_offscreen_window_set_events (GdkWindow *window,
static void
gdk_offscreen_window_set_background (GdkWindow *window,
- const GdkColor *color)
+ cairo_pattern_t *pattern)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkColormap *colormap = gdk_drawable_get_colormap (window);
-
- private->bg_color = *color;
- gdk_colormap_query_color (colormap, private->bg_color.pixel, &private->bg_color);
-
- if (private->bg_pixmap &&
- private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
- private->bg_pixmap != GDK_NO_BG)
- g_object_unref (private->bg_pixmap);
-
- private->bg_pixmap = NULL;
-}
-
-static void
-gdk_offscreen_window_set_back_pixmap (GdkWindow *window,
- GdkPixmap *pixmap)
-{
- GdkWindowObject *private = (GdkWindowObject *)window;
-
- if (pixmap &&
- private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
- private->bg_pixmap != GDK_NO_BG &&
- !gdk_drawable_get_colormap (pixmap))
- {
- g_warning ("gdk_window_set_back_pixmap(): pixmap must have a colormap");
- return;
- }
-
- if (private->bg_pixmap &&
- private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
- private->bg_pixmap != GDK_NO_BG)
- g_object_unref (private->bg_pixmap);
-
- private->bg_pixmap = pixmap;
-
- if (pixmap &&
- private->bg_pixmap != GDK_PARENT_RELATIVE_BG &&
- private->bg_pixmap != GDK_NO_BG)
- g_object_ref (pixmap);
}
static void
gdk_offscreen_window_shape_combine_region (GdkWindow *window,
- const GdkRegion *shape_region,
+ const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
@@ -1076,7 +515,7 @@ gdk_offscreen_window_shape_combine_region (GdkWindow *window,
static void
gdk_offscreen_window_input_shape_combine_region (GdkWindow *window,
- const GdkRegion *shape_region,
+ const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
@@ -1089,175 +528,276 @@ gdk_offscreen_window_set_static_gravities (GdkWindow *window,
return TRUE;
}
-static void
-gdk_offscreen_window_set_cursor (GdkWindow *window,
- GdkCursor *cursor)
-{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkOffscreenWindow *offscreen;
-
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
-
- if (offscreen->cursor)
- {
- gdk_cursor_unref (offscreen->cursor);
- offscreen->cursor = NULL;
- }
-
- if (cursor)
- offscreen->cursor = gdk_cursor_ref (cursor);
-
- /* TODO: The cursor is never actually used... */
-}
-
static void
gdk_offscreen_window_get_geometry (GdkWindow *window,
gint *x,
gint *y,
gint *width,
- gint *height,
- gint *depth)
+ gint *height)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
- GdkOffscreenWindow *offscreen;
-
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
-
- g_return_if_fail (window == NULL || GDK_IS_WINDOW (window));
-
if (!GDK_WINDOW_DESTROYED (window))
{
if (x)
- *x = private->x;
+ *x = window->x;
if (y)
- *y = private->y;
+ *y = window->y;
if (width)
- *width = private->width;
+ *width = window->width;
if (height)
- *height = private->height;
- if (depth)
- *depth = private->depth;
+ *height = window->height;
}
}
static gboolean
gdk_offscreen_window_queue_antiexpose (GdkWindow *window,
- GdkRegion *area)
+ cairo_region_t *area)
{
return FALSE;
}
static void
-gdk_offscreen_window_queue_translation (GdkWindow *window,
- GdkRegion *area,
- gint dx,
- gint dy)
+gdk_offscreen_window_translate (GdkWindow *window,
+ cairo_region_t *area,
+ gint dx,
+ gint dy)
+{
+ GdkOffscreenWindow *offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
+
+ if (offscreen->surface)
+ {
+ cairo_t *cr;
+
+ cr = cairo_create (offscreen->surface);
+
+ area = cairo_region_copy (area);
+
+ gdk_cairo_region (cr, area);
+ cairo_clip (cr);
+
+ /* NB: This is a self-copy and Cairo doesn't support that yet.
+ * So we do a litle trick.
+ */
+ cairo_push_group (cr);
+
+ cairo_set_source_surface (cr, offscreen->surface, dx, dy);
+ cairo_paint (cr);
+
+ cairo_pop_group_to_source (cr);
+ cairo_paint (cr);
+
+ cairo_destroy (cr);
+ }
+
+ _gdk_window_add_damage (window, area);
+}
+
+static cairo_surface_t *
+gdk_offscreen_window_resize_cairo_surface (GdkWindow *window,
+ cairo_surface_t *surface,
+ gint width,
+ gint height)
{
+ /* No-op. The surface gets resized in
+ * gdk_offscreen_window_move_resize_internal().
+ */
+ return surface;
}
+/**
+ * gdk_offscreen_window_set_embedder:
+ * @window: a #GdkWindow
+ * @embedder: the #GdkWindow that @window gets embedded in
+ *
+ * Sets @window to be embedded in @embedder.
+ *
+ * To fully embed an offscreen window, in addition to calling this
+ * function, it is also necessary to handle the #GdkWindow::pick-embedded-child
+ * signal on the @embedder and the #GdkWindow::to-embedder and
+ * #GdkWindow::from-embedder signals on @window.
+ *
+ * Since: 2.18
+ */
void
gdk_offscreen_window_set_embedder (GdkWindow *window,
GdkWindow *embedder)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
GdkOffscreenWindow *offscreen;
g_return_if_fail (GDK_IS_WINDOW (window));
- if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
+ if (!GDK_IS_OFFSCREEN_WINDOW (window->impl))
return;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
if (embedder)
{
g_object_ref (embedder);
- GDK_WINDOW_OBJECT (embedder)->num_offscreen_children++;
+ embedder->num_offscreen_children++;
}
if (offscreen->embedder)
{
g_object_unref (offscreen->embedder);
- GDK_WINDOW_OBJECT (offscreen->embedder)->num_offscreen_children--;
+ offscreen->embedder->num_offscreen_children--;
}
offscreen->embedder = embedder;
}
+/**
+ * gdk_offscreen_window_get_embedder:
+ * @window: a #GdkWindow
+ *
+ * Gets the window that @window is embedded in.
+ *
+ * Returns: (transfer none): the embedding #GdkWindow, or %NULL
+ * if @window is not an mbedded offscreen window
+ *
+ * Since: 2.18
+ */
GdkWindow *
gdk_offscreen_window_get_embedder (GdkWindow *window)
{
- GdkWindowObject *private = (GdkWindowObject *)window;
GdkOffscreenWindow *offscreen;
g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
- if (!GDK_IS_OFFSCREEN_WINDOW (private->impl))
+ if (!GDK_IS_OFFSCREEN_WINDOW (window->impl))
return NULL;
- offscreen = GDK_OFFSCREEN_WINDOW (private->impl);
+ offscreen = GDK_OFFSCREEN_WINDOW (window->impl);
return offscreen->embedder;
}
static void
-gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
+gdk_offscreen_window_do_nothing (GdkWindow *window)
{
- GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
+}
- object_class->finalize = gdk_offscreen_window_finalize;
+static void
+gdk_offscreen_window_set_boolean (GdkWindow *window,
+ gboolean setting)
+{
+}
+
+static void
+gdk_offscreen_window_set_string (GdkWindow *window,
+ const gchar *setting)
+{
+}
- drawable_class->create_gc = gdk_offscreen_window_create_gc;
- drawable_class->_copy_to_image = gdk_offscreen_window_copy_to_image;
- drawable_class->ref_cairo_surface = gdk_offscreen_window_ref_cairo_surface;
- drawable_class->set_colormap = gdk_offscreen_window_set_colormap;
- drawable_class->get_colormap = gdk_offscreen_window_get_colormap;
- drawable_class->get_depth = gdk_offscreen_window_get_depth;
- drawable_class->get_screen = gdk_offscreen_window_get_screen;
- drawable_class->get_visual = gdk_offscreen_window_get_visual;
- drawable_class->get_source_drawable = gdk_offscreen_window_get_source_drawable;
- drawable_class->get_composite_drawable = gdk_offscreen_window_get_composite_drawable;
-
- drawable_class->draw_rectangle = gdk_offscreen_window_draw_rectangle;
- drawable_class->draw_arc = gdk_offscreen_window_draw_arc;
- drawable_class->draw_polygon = gdk_offscreen_window_draw_polygon;
- drawable_class->draw_text = gdk_offscreen_window_draw_text;
- drawable_class->draw_text_wc = gdk_offscreen_window_draw_text_wc;
- drawable_class->draw_drawable = gdk_offscreen_window_draw_drawable;
- drawable_class->draw_points = gdk_offscreen_window_draw_points;
- drawable_class->draw_segments = gdk_offscreen_window_draw_segments;
- drawable_class->draw_lines = gdk_offscreen_window_draw_lines;
- drawable_class->draw_image = gdk_offscreen_window_draw_image;
- drawable_class->draw_pixbuf = gdk_offscreen_window_draw_pixbuf;
+static void
+gdk_offscreen_window_set_list (GdkWindow *window,
+ GList *list)
+{
}
static void
-gdk_offscreen_window_impl_iface_init (GdkWindowImplIface *iface)
+gdk_offscreen_window_set_wmfunctions (GdkWindow *window,
+ GdkWMFunction functions)
{
- iface->show = gdk_offscreen_window_show;
- iface->hide = gdk_offscreen_window_hide;
- iface->withdraw = gdk_offscreen_window_withdraw;
- iface->raise = gdk_offscreen_window_raise;
- iface->lower = gdk_offscreen_window_lower;
- iface->move_resize = gdk_offscreen_window_move_resize;
- iface->set_background = gdk_offscreen_window_set_background;
- iface->set_back_pixmap = gdk_offscreen_window_set_back_pixmap;
- iface->get_events = gdk_offscreen_window_get_events;
- iface->set_events = gdk_offscreen_window_set_events;
- iface->reparent = gdk_offscreen_window_reparent;
- iface->set_cursor = gdk_offscreen_window_set_cursor;
- iface->get_geometry = gdk_offscreen_window_get_geometry;
- iface->shape_combine_region = gdk_offscreen_window_shape_combine_region;
- iface->input_shape_combine_region = gdk_offscreen_window_input_shape_combine_region;
- iface->set_static_gravities = gdk_offscreen_window_set_static_gravities;
- iface->queue_antiexpose = gdk_offscreen_window_queue_antiexpose;
- iface->queue_translation = gdk_offscreen_window_queue_translation;
- iface->get_root_coords = gdk_offscreen_window_get_root_coords;
- iface->get_deskrelative_origin = gdk_offscreen_window_get_deskrelative_origin;
- iface->get_pointer = gdk_offscreen_window_get_pointer;
- iface->destroy = gdk_offscreen_window_destroy;
}
-#define __GDK_OFFSCREEN_WINDOW_C__
-#include "gdkaliasdef.c"
+static void
+gdk_offscreen_window_set_transient_for (GdkWindow *window,
+ GdkWindow *another)
+{
+}
+
+static void
+gdk_offscreen_window_process_updates_recurse (GdkWindow *window,
+ cairo_region_t *region)
+{
+ _gdk_window_process_updates_recurse (window, region);
+}
+
+static void
+gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
+{
+ GdkWindowImplClass *impl_class = GDK_WINDOW_IMPL_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = gdk_offscreen_window_finalize;
+
+ impl_class->ref_cairo_surface = gdk_offscreen_window_ref_cairo_surface;
+ impl_class->show = gdk_offscreen_window_show;
+ impl_class->hide = gdk_offscreen_window_hide;
+ impl_class->withdraw = gdk_offscreen_window_withdraw;
+ impl_class->set_events = gdk_offscreen_window_set_events;
+ impl_class->get_events = gdk_offscreen_window_get_events;
+ impl_class->raise = gdk_offscreen_window_raise;
+ impl_class->lower = gdk_offscreen_window_lower;
+ impl_class->restack_under = NULL;
+ impl_class->restack_toplevel = NULL;
+ impl_class->move_resize = gdk_offscreen_window_move_resize;
+ impl_class->set_background = gdk_offscreen_window_set_background;
+ impl_class->reparent = gdk_offscreen_window_reparent;
+ impl_class->set_device_cursor = gdk_offscreen_window_set_device_cursor;
+ impl_class->get_geometry = gdk_offscreen_window_get_geometry;
+ impl_class->get_root_coords = gdk_offscreen_window_get_root_coords;
+ impl_class->get_device_state = gdk_offscreen_window_get_device_state;
+ impl_class->shape_combine_region = gdk_offscreen_window_shape_combine_region;
+ impl_class->input_shape_combine_region = gdk_offscreen_window_input_shape_combine_region;
+ impl_class->set_static_gravities = gdk_offscreen_window_set_static_gravities;
+ impl_class->queue_antiexpose = gdk_offscreen_window_queue_antiexpose;
+ impl_class->translate = gdk_offscreen_window_translate;
+ impl_class->destroy = gdk_offscreen_window_destroy;
+ impl_class->destroy_foreign = NULL;
+ impl_class->resize_cairo_surface = gdk_offscreen_window_resize_cairo_surface;
+ impl_class->get_shape = NULL;
+ impl_class->get_input_shape = NULL;
+ impl_class->beep = NULL;
+
+ impl_class->focus = NULL;
+ impl_class->set_type_hint = NULL;
+ impl_class->get_type_hint = NULL;
+ impl_class->set_modal_hint = NULL;
+ impl_class->set_skip_taskbar_hint = gdk_offscreen_window_set_boolean;
+ impl_class->set_skip_pager_hint = gdk_offscreen_window_set_boolean;
+ impl_class->set_urgency_hint = gdk_offscreen_window_set_boolean;
+ impl_class->set_geometry_hints = NULL;
+ impl_class->set_title = gdk_offscreen_window_set_string;
+ impl_class->set_role = gdk_offscreen_window_set_string;
+ impl_class->set_startup_id = gdk_offscreen_window_set_string;
+ impl_class->set_transient_for = gdk_offscreen_window_set_transient_for;
+ impl_class->get_root_origin = NULL;
+ impl_class->get_frame_extents = NULL;
+ impl_class->set_override_redirect = NULL;
+ impl_class->set_accept_focus = NULL;
+ impl_class->set_focus_on_map = gdk_offscreen_window_set_boolean;
+ impl_class->set_icon_list = gdk_offscreen_window_set_list;
+ impl_class->set_icon_name = gdk_offscreen_window_set_string;
+ impl_class->iconify = gdk_offscreen_window_do_nothing;
+ impl_class->deiconify = gdk_offscreen_window_do_nothing;
+ impl_class->stick = gdk_offscreen_window_do_nothing;
+ impl_class->unstick = gdk_offscreen_window_do_nothing;
+ impl_class->maximize = gdk_offscreen_window_do_nothing;
+ impl_class->unmaximize = gdk_offscreen_window_do_nothing;
+ impl_class->fullscreen = gdk_offscreen_window_do_nothing;
+ impl_class->unfullscreen = gdk_offscreen_window_do_nothing;
+ impl_class->set_keep_above = gdk_offscreen_window_set_boolean;
+ impl_class->set_keep_below = gdk_offscreen_window_set_boolean;
+ impl_class->get_group = NULL;
+ impl_class->set_group = NULL;
+ impl_class->set_decorations = NULL;
+ impl_class->get_decorations = NULL;
+ impl_class->set_functions = gdk_offscreen_window_set_wmfunctions;
+ impl_class->begin_resize_drag = NULL;
+ impl_class->begin_move_drag = NULL;
+ impl_class->enable_synchronized_configure = gdk_offscreen_window_do_nothing;
+ impl_class->configure_finished = NULL;
+ impl_class->set_opacity = NULL;
+ impl_class->set_composited = NULL;
+ impl_class->destroy_notify = NULL;
+ impl_class->register_dnd = gdk_offscreen_window_do_nothing;
+ impl_class->drag_begin = NULL;
+ impl_class->process_updates_recurse = gdk_offscreen_window_process_updates_recurse;
+ impl_class->sync_rendering = NULL;
+ impl_class->simulate_key = NULL;
+ impl_class->simulate_button = NULL;
+ impl_class->get_property = NULL;
+ impl_class->change_property = NULL;
+ impl_class->delete_property = NULL;
+}