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From: Mark Proulx on 19 Jul 2010 14:33
I have a GUI with two popupmenu uicontrols. It works fine under a Windows OS, but under Linux, the choices do not track the mouse pointer movement. The menu drops down as it should, but once it does, the highlight doesn't follow the mouse pointer. A crude workaround is to use the up/down arrow keys, but this is at best clunky and doesn't always work.

Has anyone out there dealt with this behavior?
From: Walter Roberson on 19 Jul 2010 14:56
Mark Proulx wrote:
> I have a GUI with two popupmenu uicontrols. It works fine under a
> Windows OS, but under Linux, the choices do not track the mouse pointer
> movement. The menu drops down as it should, but once it does, the
> highlight doesn't follow the mouse pointer. A crude workaround is to use
> the up/down arrow keys, but this is at best clunky and doesn't always work.
>
> Has anyone out there dealt with this behavior?

Which Matlab version are you using on the Linux system, and which Linux is it?
In particular is it an Ubuntu version new enough to be using the "optimized"
X11 library instead of the standard X library?
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