libdeng|Widget: Added generic event routing mechanism
A Widget can now be configured to route specific types of eventsto a particular widget. This is for the purpose of redirecting, say,all mouse events temporarily to some widget.
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libdeng|Widget: Added generic event routing mechanism
A Widget can now be configured to route specific types of events
to a particular widget. This is for the purpose of redirecting, say,
all mouse events temporarily to some widget.