If "gtklife" 5.1 is used with  "gtk+" releases dated  after 2006,  the
mouse doesn't work while  "gtklife" is running.  This change  seems to
correct the problem [more or less].  However,  additional work  may be
needed here.

--- gtklife-5.1.old/gtklife.c
+++ gtklife-5.1/gtklife.c
@@ -467,8 +467,7 @@
             restore_status_message();
         if (state.pattern_running)
             tick_and_update();
-        else
-            usleep(10000);   /* don't eat up all the processor just for mouse tracking */
+        usleep (state.pattern_running ? 5000 : 10000);
     }
 }