Execute org.eclipse.swt.graphics.GC call in UI thread in ShapePainter #157
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Also make sure to use Display.getDefault() instead of Display.getCurrent() - the latter might return null if not in UI thread. Avoid deadlock while creating PriorityDescriptorCache by lazy populating the cache on demand instead of eagerly. Fixes pmd#148
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Also make sure to use Display.getDefault() instead of
Display.getCurrent() - the latter might return null if not
in UI thread.
Avoid deadlock while creating PriorityDescriptorCache by
lazy populating the cache on demand instead of eagerly.
Fixes #148