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-rw-r--r--libmate-desktop/mate-bg-crossfade.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/libmate-desktop/mate-bg-crossfade.c b/libmate-desktop/mate-bg-crossfade.c
index a399c1c..37fddd8 100644
--- a/libmate-desktop/mate-bg-crossfade.c
+++ b/libmate-desktop/mate-bg-crossfade.c
@@ -382,6 +382,20 @@ animations_are_disabled (MateBGCrossfade *fade)
}
static void
+send_root_property_change_notification (MateBGCrossfade *fade)
+{
+ long zero_length_pixmap = 0;
+
+ /* We do a zero length append to force a change notification,
+ * without changing the value */
+ XChangeProperty (GDK_WINDOW_XDISPLAY (fade->priv->window),
+ GDK_WINDOW_XID (fade->priv->window),
+ gdk_x11_get_xatom_by_name ("_XROOTPMAP_ID"),
+ XA_PIXMAP, 32, PropModeAppend,
+ (unsigned char *) &zero_length_pixmap, 0);
+}
+
+static void
draw_background (MateBGCrossfade *fade)
{
if (gdk_window_get_window_type (fade->priv->window) == GDK_WINDOW_ROOT) {
@@ -391,6 +405,7 @@ draw_background (MateBGCrossfade *fade)
gdk_window_get_width (fade->priv->window),
gdk_window_get_height (fade->priv->window),
False);
+ send_root_property_change_notification (fade);
gdk_flush ();
} else {
gdk_window_invalidate_rect (fade->priv->window, NULL, FALSE);