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bug#17926: Menu and tooltip glitches using GTK toolkit

From: Jan Djärv
Subject: bug#17926: Menu and tooltip glitches using GTK toolkit
Date: Fri, 04 Jul 2014 17:25:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0

2014-07-04 13:53, Robert Parlett skrev:

No I didn't try emacs with -Q.  Now that I try that I see that the problem is
somewhat masked by the blinking cursor.  Normally, I don't have a blinking
cursor - I have (blink-cursor-mode 0) in my init file. When starting with -Q,
then the cursor blinks, and the redrawing of the blinking cursor obviously
also causes the missing menus and half-drawn tooltips to be redrawn.  So with
-Q, I just see a short - but still perceivable - delay before the
menus/tooltips are drawn correctly.  If I then enter (blink-cursor-mode 0) in
the scratch buffer, then I see the bug as described originally.

Still don't see it, sorry.  The delay is a Gtk+ feature.

So please try with (blink-cursor-mode 0) and hopefully you will be able to
reproduce the bug.

I take your point about filing two separate bugs in one report, but the
missing menu and missing tooltip appear (at least so far as I can see) to
relate to the same underlying problem, namely a failure to redraw the screen

Regarding the window manager, it is fvwm.  However, I have just tried running
emacs in Xephyr, without any window manager at all, and the problem still 

Gtk+ does not work well without any window manager. Please try Ubuntus default setup, i.e. Unity, and see if it makes any difference.
If you can, try the emacs-24 branch from here:


        Jan D.

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