The QGraphicsView system moves every selected item when the user
clicks and drags one. This patch makes a cache of all selected
items and removes the selection on them. When the user stops dragging
the Notification, the selection is restored.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>