grab set ?-global? window

Sets a grab on window. If -global is specified then the grab is global, otherwise it is local. If a grab was already in effect for this application on window 's display then it is automatically released. If there is already a grab on window and it has the same global/local form as the requested grab, then the command does nothing. Returns an empty string.

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See also:

• grab
• grab release
• Don't do that

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