Please describe the problem:
Affected apps are for example nautilus and gedit. It's a first guess that this bug is in metacity. It's most obvious on systems with slow graphic hardware and a touchpad.


Steps to reproduce:
1. Start app with extra resize area in lower right corner (nautilus, gedit, ...)
2. Resize its window and release left mouse button WHILE the mouse still moves!
3. Try to grab the square extra resize area again


Actual results:
The extra resize area has gone. It reappears when resizing the window again by first stopping the mouse, then releasing the left button.

Expected results:
I expect the resize area always to be bound to its visual part.

Does this happen every time?
Yes, if you exactly follow step 1-3 above. In everyday usage it might seem to be random.

Other information:
I think, when the button is released while moving the mouse, first the window gets redrawn for the last time AND AFTER THAT the mouse coordinates are read to determine where the extra resize area shall be, and after clipping this area to its usual region it disappears completely.

See also:
  https://bugs.launchpad.net/bugs/282013

Related bugs: (no duplicates)
  http://bugzilla.gnome.org/show_bug.cgi?id=558811
  http://bugzilla.gnome.org/show_bug.cgi?id=559203
  http://bugzilla.gnome.org/show_bug.cgi?id=496536