| Re: dynamic pull down menus, removing items [message #40196 is a reply to message #40195] |
Tue, 13 July 2004 09:50  |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Ben Tupper writes:
> I would like to have a 'Window' pull down menu item on my GUI's menu
> bar. In theory, this 'Window' would contain a list of image window
> names where the number and names of windows can change while the GUI is
> running. This menu is simply a way to show what windows are available
> and which is the 'current' window.
>
> The current selection is easy to show using the CHECKED_MENU option to
> WIDGET_BUTTON (see http://www.dfanning.com/widget_tips/checkmarks.html)
> (I must say, the check mark has an unexpected appearance on my Mac.)
Do you have a picture of this? JPEG maybe. I'll put it
in the article so people don't get completely frightened off. :-)
> Now, I can add buttons as more windows are opened...
> http://www.dfanning.com/widget_tips/dynamic_menus.html
>
> But how the heck to I get rid of an item if its window is closed?
>
> I have tried
>
> WIDGET_CONTROL, thisParticularButton, /Destroy
>
> but it doesn't update the pull down menu. The only way I can get it to
> update as I would like is to kill the entire GUI and re-realize it. Yuck.
The *entire* GUI!? Wow. I wouldn't have thought that was
necessary. I think you are going to have to build the whole
pull-down menu again, but I'm surprised about taking down
the entire GUI. Do you really mean the *entire* GUI?
> I had the whole shebang in a list widget, but i was hoping to save real
> estate by moving the list to a pull down menu.
Do you have a test program? I'd be curious. :-)
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
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