Comment 17 for bug 145123

The problem is that grabs get lost when XCompositeUnredirectWindow is called. We can either prevent this by explicitely excluding gnome-screensaver or by rewriting the code so that compiz does not redirect by default but checks first if the window is a fullscreen window and on top of the stack. The later option is the better fix but requires more careful review and testing.

@CyperDelic: could you please try to use ezoom instead of zoom (our default) and see if you can reproduce the problem?