[Python-modules-team] Bug#632052: /usr/share/pyshared/matplotlib/backends/backend_gtk.py: Plot embedded in GTK application moves while using the "Zoom to rectangle" button

[Markus Rosenstihl]

Package: python-matplotlib
Version: 0.99.3-1
Severity: normal
File: /usr/share/pyshared/matplotlib/backends/backend_gtk.py

In a GTK application, where a matplotlib plot is embedded, the  
"Zooming to rectangle" button causes the graph to "jump" upwards when  
selecting an area, corrupting the screen.
This bug has been mentioned on the matplotlib mailinglist including a  
patch, which is included in matplotlib-1.0.

See http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg17822.html

I propose following patch, which corrects the problem. No side effects  
have been encountered.


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-- System Information:
Debian Release: 6.0.1
   APT prefers stable
   APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages python-matplotlib depends on:
ii  libatk1.0-0           1.30.0-1           The ATK accessibility  
toolkit
ii  libc6                 2.11.2-10          Embedded GNU C Library:  
Shared lib
ii  libcairo2             1.8.10-6           The Cairo 2D vector  
graphics libra
ii  libfontconfig1        2.8.0-2.1          generic font  
configuration library
ii  libfreetype6          2.4.2-2.1          FreeType 2 font engine,  
shared lib
ii  libgcc1               1:4.4.5-8          GCC support library
ii  libglib2.0-0          2.24.2-1           The GLib library of C  
routines
ii  libgtk2.0-0           2.20.1-2           The GTK+ graphical user  
interface
ii  libpango1.0-0         1.28.3-1+squeeze2  Layout and rendering of  
internatio
ii  libpng12-0            1.2.44-1           PNG library - runtime
ii  libstdc++6            4.4.5-8            The GNU Standard C++  
Library v3
ii  python                2.6.6-3+squeeze6   interactive high-level  
object-orie
ii  python-cairo          1.8.8-1+b1         Python bindings for the  
Cairo vect
ii  python-dateutil       1.4.1-3            powerful extensions to  
the standar
ii  python-gobject        2.21.4+is.2.21.3-1 Python bindings for the  
GObject li
ii  python-matplotlib-dat 0.99.3-1           Python based plotting  
system (data
ii  python-numpy          1:1.4.1-5          Numerical Python adds a  
fast array
ii  python-pyparsing      1.5.2-2            Python parsing module
ii  python-support        1.0.10             automated rebuilding  
support for P
ii  python-tz             2010b-1            Python version of the  
Olson timezo
ii  tcl8.5                8.5.8-2            Tcl (the Tool Command  
Language) v8
ii  tk8.5                 8.5.8-1            Tk toolkit for Tcl and  
X11, v8.5 -
ii  zlib1g                1:1.2.3.4.dfsg-3   compression library -  
runtime

Versions of packages python-matplotlib recommends:
ii  python-glade2                 2.17.0-4   GTK+ bindings: Glade  
support
ii  python-tk                     2.6.6-1    Tkinter - Writing Tk  
applications

Versions of packages python-matplotlib suggests:
pn  dvipng                     <none>        (no description available)
ii  ipython                    0.10-2        enhanced interactive  
Python shell
ii  librsvg2-common            2.26.3-1      SAX-based renderer  
library for SVG
pn  python-configobj           <none>        (no description available)
pn  python-excelerator         <none>        (no description available)
ii  python-gtk2                2.17.0-4      Python bindings for the  
GTK+ widge
pn  python-matplotlib-doc      <none>        (no description available)
pn  python-qt3                 <none>        (no description available)
pn  python-qt4                 <none>        (no description available)
ii  python-scipy               0.7.2+dfsg1-1 scientific tools for Python
pn  python-traits              <none>        (no description available)
ii  python-wxgtk2.8            2.8.10.1-3+b1 wxWidgets Cross-platform C 
++ GUI t
pn  texlive-extra-utils        <none>        (no description available)
pn  texlive-latex-extra        <none>        (no description available)

-- no debconf information