Don't try to split a group if there is still a window stacked in a WindowArea.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38727 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -861,6 +861,10 @@ SATGroup::_FindTab(const TabList& list, float position)
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void
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SATGroup::_SplitGroupIfNecessary(SATWindow* removedWindow)
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{
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// if there are windows stacked in the area we don't need to split
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if (removedWindow->GetWindowArea()->WindowList().CountItems() > 1)
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return;
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WindowAreaList neighbourWindows;
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_FillNeighbourList(neighbourWindows, removedWindow->GetWindowArea());
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