(Swing) Strange popup window behavior

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Dmitry R - 29 Aug 2003 05:08 GMT

I have a swing program which has a dialog box with help button. I
believe that this dialog box is modal. When I press help button it
opens a popup window with help text. However this window doesn't
respond to any users input, it looks like it doesn't receive any
events. If I switch to a dialog box from I opened the window and close
the dialog box, then help window popup becomes alive and I can scroll
text and close it. More strange thing is, if I leave the popup open
and open another dialog box, then the popup freezes again. It looks
like connected to dialog's message loop. Does somebody know how to
avoid this problem, or work around, or what can be an issue?

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Harald Hein - 29 Aug 2003 06:03 GMT

> I have a swing program which has a dialog box with help button. I
> believe that this dialog box is modal.

You believe or you know?

> When I press help button it
> opens a popup window with help text. However this window doesn't
> respond to any users input, it looks like it doesn't receive any
> events.

Check the popup window's parent window. I bet you are lazy and didn't
provide on in the constructor.

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