[Xmonad] XMonadContrib.SetWMName: a solution to Java problem

Spencer Janssen sjanssen at cse.unl.edu
Wed Sep 5 16:54:56 EDT 2007

On Saturday 25 August 2007 20:15:31 Ivan Tarasov wrote:
> I've done some research into the problem and also contacted the AWT
> developers. Here is the situation: the low-level AWT code is completely
> broken and needs big rework. It is unlikely that it gets fixed before JDK7
> (and there are no guarantees, because this is formally a low-priority bug:
> non-reparenting WMs are not officially supported), although AWT developers
> are trying to improve the situation in background.
> Recently (in JDK 1.6u1) they added support for Compiz and LG3D WMs which
> don't do reparenting. Thus it is possible to make Xmonad pretend that it is
> one of these WMs, and thus workaround the problem. However pretending to be
> Compiz doesn't help (because of another AWT bug, cf. the insets problem).
> For LG3D there is a special branch which resets the insets to zero, which
> happens to be just what we need. Setting WM name to "LG3D" fixes
> gray-rectangle-instead-of-a-window problem.
> The patch adds a new XMonadContrib module. One should make a key-binding
> which executes the (setWMName "LG3D"), which should be used before running
> Java GUI programs. It is okay to execute this action several times, it
> takes care not to leak windows.
> Ivan

Applied, thanks.

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