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-rw-r--r--applets/clock/clock.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/applets/clock/clock.c b/applets/clock/clock.c
index bcd89fc0..b68cce62 100644
--- a/applets/clock/clock.c
+++ b/applets/clock/clock.c
@@ -876,6 +876,17 @@ create_calendar (ClockData *cd)
G_CALLBACK (delete_event), cd->panel_button);
g_signal_connect (window, "key_press_event",
G_CALLBACK (close_on_escape), cd->panel_button);
+
+ /*Name this window so the default theme can be overridden in panel theme,
+ otherwise default GtkWindow bg will be pulled in and override transparency */
+ gtk_widget_set_name(window, "MatePanelPopupWindow");
+
+#if GTK_CHECK_VERSION (3, 0, 0)
+ /* Make transparency possible in the theme */
+ GdkScreen *screen = gtk_widget_get_screen(GTK_WIDGET(window));
+ GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
+ gtk_widget_set_visual(GTK_WIDGET(window), visual);
+#endif
return window;
}