Review Request: Activate present windows from task group context menu

[Martin Gräßlin]

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http://reviewboard.kde.org/r/897/
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Review request for Plasma.


Summary
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Patch adds a new menu entry to task group context menu to show the group of windows in kwin's present windows effect. When this entry is selected the window ids of the tasks listed in the group are passed to an XAtom which activates present windows effect for the passed windows (other windows will be hidden). The atom will be removed by present windows effect when it get's disabled.

This patch requires current kwin from trunk. What's missing is the detection if present windows effect is available or not (e.g. compositing not active, Compiz used instead of KWin). KWin announces support via setting atom on root window.


Diffs
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  trunk/KDE/kdebase/workspace/libs/taskmanager/taskactions.cpp 972097 
  trunk/KDE/kdebase/workspace/libs/taskmanager/taskactions_p.h 972097 

Diff: http://reviewboard.kde.org/r/897/diff


Testing
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Tested with both manual and automatic grouping.


Thanks,

Martin