bug#2198: 23.0.90; menu tooltip and pane glitches

[Marshall, Simon]

>>> Do you still see this with the latest Emacs release?
>>> I have not noticed it, but do not use Motif/Solaris.
>>
>> Yes, I can with a bit of trying, with 24.0.90 configured like this:
> 
> What is "a bit of trying"?

Left click and hold on a menu and then move the mouse around over menus
and menu entries until a tooltip doesn't disappear.  It took a few
minutes of trying.

> I can't reproduce on GNU/Linux with Motif, so it might be a Solaris 
> thing.  There seems to be a redrawing error, or that Emacs does not
get 
> expose events as it should.  Hard to say if the tooltips aren't being 
> popped down or if they are but the redrawing under them does not
happen.
> 
> I think it is the latter.

If it's any help, see the attachment.  In this case, the dark gray
highlighting of the second menu entry has not been redrawn where the
tooltip for the first menu entry once was (and correctly popped down).
For me, this is easier to reproduce that the bug I actually reported.

Also of possible significance, I can't reproduce on GNU/Linux with GTK+
(I don't have Motif on my old RHEL box) displaying on the same X server.
It's also worth repeating that I'm using Exceed (Windowing system
distributor `Hummingbird Ltd.', version 11.0.100015) running on WinXP.
The problem might be one or both of Sol/Motif and WinXP/Exceed.


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