RFR: 8315655: [macos] Right click and dragging over a component with a popup menu will open the popup [v2]

[Alisen Chung]

On Thu, 6 Jun 2024 07:16:42 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> I guess it needs to be understood why it is not failing in windows and linux and only reproducible in macos. The fix in BasicLookAndFeel is not appropriate in my opinion as that shared code will be exercised in windows and linux too..
> 
> I guess we need to find out why `BasicLookAndFeel.evenDIspatched` is called for MOUSE_PRESSED in macos and not in windows/linux (ie only called for MOUSE_RELEASED event), maybe something needs to be done in macos JDK native event processing to ensure it is only called for "mouse release" event for showing popup.
> 
> Also, the test can be automated as it is about popup being shown or not which can be easily checked by `isPopupMenuVIsible/isVisible` method

I guess the root of the issue is that MOUSE_ENTERED is a popup trigger in macos only. I can look into NSEvent isPopupTrigger and change the code to require the event to be MOUSE_PRESSED/MOUSE_RELEASED

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PR Comment: https://git.openjdk.org/jdk/pull/19569#issuecomment-2152817659