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  [GUI] How do you get mouse position without getting blocked by JPanels?  (Read 132 times)
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Offline tom_mai78101
« Posted 2014-04-15 06:15:22 »

Kind of hard to describe it, so I'm going to use art to show you my problem:



Here we have a JComponent named "MainComponent", with a JPanel added to it. Note that outside of the JPanel, there is a little bit of space that's part of MainComponent. Which means, JPanel isn't exactly on the edge of the JComponent.

When I move my mouse across the JComponent from left to right, the MouseMotionListener will stop listening when the mouse is on top of JPanel. I don't want JPanel to consume the MouseMotionEvent.

How do I make it so that the event isn't consumed, and that JComponent can still listen to the mouse motion events the whole time, even with JPanel blocking it?
Offline BurntPizza
« Reply #1 - Posted 2014-04-15 06:24:24 »

If the MainComponent covers the entirety of a JFrame, then the simple solution would be to add the listeners to the frame's GlassPane.

If that's not the case or otherwise applicable, then pass the event to the parent component.
Offline tom_mai78101
« Reply #2 - Posted 2014-04-15 08:33:29 »

Ah, thanks. Problem's solved.
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