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Remove calls to processEvent which are short-circuiting the draw even…
…t in Qt4. Something in our draw event is triggering another draw event during resizing. processEvent immediately moves to the next draw event. For X11, menus and toolbars became corrupted and crashes occurred. For Mac, the map canvas did not resize at all. The following warnings were appearing on the console: "QWidget::repaint: recursive repaint detected" and "QPixmap::operator=: Cannot assign to pixmap during painting." Event processing to capture a keyboard cancel command should be reinstated when the source of the recursion is found and fixed. git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@4753 c8812cc2-4d05-0410-92ff-de0c093fc19c
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