How can I detect if ANY popup windows are showing

I have implemented a couple of JInternalFrames which can be closed by pressing the escape key, however, inside these frames different parts of the code will sometimes show JPopupMenus and they too should be closable by pressing the escape key.
Thus, I need to close my frames when the user presses escape but only if no popups are showing. For instance, if the user right clicks in my frame to show a popup, then the first time he or she presses escape the popup will close, and the second time the frame itself will close.
What I am looking for is a generic approach to this, that would make it possible for me to detect if any popup windows are currently visible and only if that is not the case I will proceed and close the frame.
I have been giving this some thought but I have not yet come up with a good solution to this. Has anyone implemented something like this or does anyone have any suggestions? Is there a preferred way to get all popups of a frame, dialog, window or the like?
Thanks
Randahl

I also ran into this issue. The previous post can be solved easily by the new event structures, but I need to check if a panel is the frontmost in windows as well.
The FP.Is frontmost property returns if a panel is the frontmost Vi within Labview but not if Labview is the frontmost window in windows.
I ran into this as I am making some stuff to use the scollwheel.
As an example I have added two Vi's. Just load & run these, as long as Labview is active this works. But I would like to have something that switches the lights off when I select another Windows application.
I (think I) cannot use the USER32.dll API as I reconstruct a reference to the 'owner vi' using a control reference.
Anyone has some experience with this??
Attachments:
Vi-a.vi ‏7 KB
Vi-b.vi ‏7 KB

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