Michael Vogt c8472a7444 Do not send VisibilityNotify events when MapUnmapEvents are disabled ...

This prevents a protocol visible side-effect (XVisibilityEvent) on
XCompositeRedirectWindow() followed by a XCompositeUnredirectWindow().

The problem shows up in gnome-screensaver with compiz and "unredirect
fullscreen windows" enable. A VisibilityNotify event is generated (first
with obscured and than with unobscured) when the window swithces from
redirected to unredirected.

https://bugs.freedesktop.org/show_bug.cgi?id=18133
http://launchpad.net/bugs/278112

2008-11-25 22:35:47 +02:00

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