Bug#567731: iceweasel: right-click menu on images doesn't always get opened where the cursor is but away from it

[xiscu]

Package: iceweasel
Version: 3.5.6-1
Severity: normal


By right-clicking on an image the menu isn't always opened on the image
or near the cursor (or around it) but far away from these. That doesn't
happens in maximized mode (window manager).

To test it:

1 - Open iceweasel and open www.debian.org
2 - Right-click the lenny banner and notice where the menu is openend
3 - Move iceasel and repeat 2

Depending where the window is placed so apears the menu in one or
another position. The new position seems to be "proportional to 
displacement".

The resolution I have is: 1680x1050

Thanks

xiscu


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-trunk-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages iceweasel depends on:
ii  debianutils                   3.2.2      Miscellaneous utilities specific t
ii  fontconfig                    2.8.0-2    generic font configuration library
ii  libc6                         2.10.2-2   GNU C Library: Shared libraries
ii  libglib2.0-0                  2.22.4-1   The GLib library of C routines
ii  libgtk2.0-0                   2.18.3-1   The GTK+ graphical user interface 
ii  libnspr4-0d                   4.8.2-1    NetScape Portable Runtime Library
ii  libstdc++6                    4.4.2-9    The GNU Standard C++ Library v3
ii  procps                        1:3.2.8-2  /proc file system utilities
ii  psmisc                        22.10-1    utilities that use the proc file s
ii  xulrunner-1.9.1               1.9.1.6-1  XUL + XPCOM application runner

iceweasel recommends no packages.

Versions of packages iceweasel suggests:
pn  latex-xft-fonts               <none>     (no description available)
pn  libkrb53                      <none>     (no description available)
pn  mozplugger                    <none>     (no description available)
pn  ttf-mathematica4.1            <none>     (no description available)
ii  xfonts-mathml                 4          Type1 Symbol font for MathML
pn  xprint                        <none>     (no description available)
ii  xulrunner-1.9.1-gnome-support 1.9.1.6-1  Support for GNOME in xulrunner app

-- no debconf information