#include <glib.h>
#define PLATE_EVENTMASK (SubstructureRedirectMask | ButtonPressMask)
-#define FRAME_EVENTMASK (EnterWindowMask | LeaveWindowMask)
+#define FRAME_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
+ ButtonPressMask | ButtonReleaseMask)
#define ELEMENT_EVENTMASK (ButtonPressMask | ButtonReleaseMask | \
ButtonMotionMask | ExposureMask)