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insensitive WIDGET_DROPLIST causes major freeze [message #34865]

Tue, 22 April 2003 17:09

MKatz843
Messages: 98
Registered: March 2002

Member

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?

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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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