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Re: insensitive WIDGET_DROPLIST causes major freeze [message #34897 is a reply to message #34865]

Mon, 28 April 2003 02:44

bias
Messages: 7
Registered: February 2003

Junior Member

MKatz843@onebox.com (M. Katz) wrote in message news:<4a097d6a.0304221609.45539db5@posting.google.com>...
> I just alerted RSInc about this, but I thought I'd share it with the
> list.
>
> I found a multi-platform widget_droplist bug. I know droplist has been
> depricated in favor of the combobox, but I'm still using droplist in
> some places. So far this bug has caused problems on Red Hat Linux
> (7.1?) and Mac OS X 10.2.5 running X11 beta 3.
>
> Here's the bug.
>
> Create a widget_droplist with a command like this.
>
> st = ['A','B','C','D']
> filterID = widget_droplist(row1, VALUE=st, UVALUE='dont_bug_me')
>
> This is important: the widget_base that contains row1 is created with
> SENSITIVE=0 to begin with.
>
> Now, in response to a separate event, the base is made SENSITIVE with
> a widget_control command to the base.
>
> I click on the droplist, and it pops up with all of the options
> grayed-out. The mouse cursor turns to a up-and-to-the-right-facing
> arrow, and the entire X session locks up except for mouse motion.
>
> On Linux the whole session is completely frozen, all windows are
> unresponsive. I had to log-in remotely to kill IDL.
>
> On Mac OS X 10.2.5, the same thing happens, all of X was frozen with
> the droplist openand the right-facing arrow showing. But since X11
> runs as an application, I just opened a terminal window and killed the
> job from the command line; the rest of the OS kept humming along (mp3s
> didn't skip a beat :P )
>
> Anyone else see this kind of behavior?

Yes, just 2 days after your posting I found exactly the same happening
in my widget application.I'm using XFree86 4.1 on Debian GNU Linux 3.0
and HP-UX 11.
Did you receive a response from RSInc. or find a way to avoid the problem ?

Tobias

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[Message index]

		insensitive WIDGET_DROPLIST causes major freeze By: MKatz843 on Tue, 22 April 2003 17:09
		Re: insensitive WIDGET_DROPLIST causes major freeze By: R.Bauer on Mon, 28 April 2003 15:36
		Re: insensitive WIDGET_DROPLIST causes major freeze By: R.Bauer on Mon, 28 April 2003 15:20
		Re: insensitive WIDGET_DROPLIST causes major freeze By: MKatz843 on Mon, 28 April 2003 09:32
		Re: insensitive WIDGET_DROPLIST causes major freeze By: David Fanning on Mon, 28 April 2003 08:43
		Re: insensitive WIDGET_DROPLIST causes major freeze By: JD Smith on Mon, 28 April 2003 08:27
		Re: insensitive WIDGET_DROPLIST causes major freeze By: bias on Mon, 28 April 2003 02:44

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