| Issue regarding Mouse events and Selection Tracker?? [message #156056] |
Fri, 29 October 2004 02:50 |
Eclipse User |
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Originally posted by: zenilnh.infotech.stph.net
Hi All,
I have a problem also discussed in this post
" http://dev.eclipse.org/newslists/news.eclipse.tools.gef/msg0 3454.html"
The following paragraph culled from that post exactly specifies my
scenario..
"A graphical editor will use mostly Tools to process all mouse events. But
sometimes a tool is too heavyweight, and a simple mouse listener on a
figure
can be used for things like expand/collapse hotspots. GEF is setup so
figures always have a chance to go first. By the figure consuming the
mouse
down event, you are saying to GEF that the mouse down should not ALSO be
sent to the tool. This allows the connection tool to be active, and the
user can click on a '+' figure to expand a container, without that mouse
click being interpreted as "start the connection here".
"
So i have a figure with expand/collapse hotspots.When user clicks on the
"+" figure,my figure mouse listener gets notifed first,i expand the
figure,i consume the mouse event..But even then the associated selection
eventsare fired,and the mouse click is also being interpreted as a
selection event..Somehow my mouseevent.consume() is not being taken in to
account by the tracker..On further verification i found that the
DomainEventDispatcher.dispatchMousePressed(MouseEvent) doesnt take in to
account whether an event has been consumed or not..So even though i
consume the event,the dispatcher continues dispatching it..Is my inference
correct??What's the possible solutions??
Thanks
Zenil
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