Alt+Shift+Tab makes desktop inaccessible [was: help for fixing #153211]

Lubos Lunak l.lunak at
Fri Dec 7 10:51:43 GMT 2007

On Thursday 06 of December 2007, Andreas Pakulat wrote:
> On 06.12.07 22:57:02, Andreas Pakulat wrote:
> > I'd like to ask for some help to fix:
> >
> >
> >
> > It really annoys me, as I have to frequently restart the session because
> > I keep hitting that, simply because its a common shortcut.

 That seems to be a problem of KGlobalAccel, it doesn't release keyboard grab 
when it gets a keyboard event it should handle but fails to do so. In this 
specific case the event is not recognized because Shift+Tab in X is not 
actually Shift+Tab but Backtab, ISO_Left_Tab or whatever idiocy it is (you 
can see that when you run xev).

 The first one should be fixed in KGlobalAccel <somehow>, the second one 
probably needs workarounds in kdeui/utils/kkeyserver_x11.cpp. I'll try to get 
to it somewhen if nobody else manages to fix it until then.

PS: See AllowDeactivateGrabs/AllowClosedownGrabs in man xorg.conf.

Lubos Lunak
KDE developer
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