stop waiting for events in queue

awesome.c

@@ -389,7 +389,15 @@ main(int argc, char *argv[])
                 buf[r] = '\0';
                 parse_control(buf);
             }
-
+        /* two level XPending:
+         * we need to first check we have XEvent to handle
+         * and if so, we handle them all in a round.
+         * Then when we have refresh()'ed stuff so maybe new XEvent
+         * are available and select() won't tell us, so let's check
+         * with XPending() again.
+         */
+        while(XPending(dpy))
+        {
             while(XPending(dpy))
             {
                 XNextEvent(dpy, &ev);
@@ -415,6 +423,7 @@ main(int argc, char *argv[])
             /* need to resync */
             XSync(dpy, False);
         }
+    }
 
     if(csfd > 0 && close(csfd))
         perror("error closing UNIX domain socket");