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On my three button mouse MouseEvent.BUTTON2= Middle Click and MouseEvent.BUTTON3 = Right Click.

Is this the case on a two button mouse?

Thanks

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3 Answers 3

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186

To avoid any ambiguity, use the utilities methods from SwingUtilities :

SwingUtilities.isLeftMouseButton(MouseEvent anEvent) SwingUtilities.isRightMouseButton(MouseEvent anEvent) SwingUtilities.isMiddleMouseButton(MouseEvent anEvent)

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10

Yes, take a look at this thread which talks about the differences between platforms.

How to detect right-click event for Mac OS

BUTTON3 is the same across all platforms, being equal to the right mouse button. BUTTON2 is simply ignored if the middle button does not exist.

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1

I've seen 

anEvent.isPopupTrigger()

be used before. I'm fairly new to Java so I'm happy to hear thoughts about this approach :)

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yes, but according to bugs.java.com/bugdatabase/view_bug.do?bug_id=4119064 and my own practice this function won't work correctly in Windows. And the bug lasts for 16 years already...

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