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authorRay Strode <[email protected]>2011-02-07 13:56:41 -0500
committerAlexei Sorokin <[email protected]>2017-02-02 19:12:44 +0300
commitc164299a238b9f78c69a408785dd55c68b588606 (patch)
tree11069ba548f624817da7cde24735a7c536655703
parent9f2d24864534dd0f126ba4a18c02730a5a93e91d (diff)
downloadmate-desktop-c164299a238b9f78c69a408785dd55c68b588606.tar.bz2
mate-desktop-c164299a238b9f78c69a408785dd55c68b588606.tar.xz
mate-bg: force property update when doing new crossfade frame
marco needs to get notified about animation updates. This commit frobs the property to wake marco up. https://bugzilla.gnome.org/show_bug.cgi?id=641526
-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 484f252..970b567 100644
--- a/libmate-desktop/mate-bg-crossfade.c
+++ b/libmate-desktop/mate-bg-crossfade.c
@@ -407,6 +407,20 @@ 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) {
@@ -416,6 +430,7 @@ 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);