FM / backends

/usr/lib64/python2.6/site-packages/matplotlib/backends/

/usr/lib64/python2.6/site-packages/matplotlib/backends

Name	Size	Mode	Actions
Matplotlib.nib/	-	0755	rm
backend_agg.py	13037	0644	edit dl rm
backend_agg.pyc	14578	0644	edit dl rm
backend_agg.pyo	13367	0644	edit dl rm
backend_cairo.py	16493	0644	edit dl rm
backend_cairo.pyc	18270	0644	edit dl rm
backend_cairo.pyo	18270	0644	edit dl rm
backend_cocoaagg.py	8988	0644	edit dl rm
backend_cocoaagg.pyc	11930	0644	edit dl rm
backend_cocoaagg.pyo	11930	0644	edit dl rm
backend_emf.py	22336	0644	edit dl rm
backend_emf.pyc	25220	0644	edit dl rm
backend_emf.pyo	25220	0644	edit dl rm
backend_fltkagg.py	20852	0644	edit dl rm
backend_fltkagg.pyc	26631	0644	edit dl rm
backend_fltkagg.pyo	26631	0644	edit dl rm
backend_gdk.py	15968	0644	edit dl rm
backend_gdk.pyc	17157	0644	edit dl rm
backend_gdk.pyo	17157	0644	edit dl rm
backend_gtk.py	40707	0644	edit dl rm
backend_gtk.pyc	45101	0644	edit dl rm
backend_gtk.pyo	45101	0644	edit dl rm
backend_gtkagg.py	4134	0644	edit dl rm
backend_gtkagg.pyc	5088	0644	edit dl rm
backend_gtkagg.pyo	5088	0644	edit dl rm
backend_gtkcairo.py	2079	0644	edit dl rm
backend_gtkcairo.pyc	3740	0644	edit dl rm
backend_gtkcairo.pyo	3740	0644	edit dl rm
backend_macosx.py	14644	0644	edit dl rm
backend_macosx.pyc	20536	0644	edit dl rm
backend_macosx.pyo	20439	0644	edit dl rm
backend_mixed.py	5166	0644	edit dl rm
backend_mixed.pyc	4844	0644	edit dl rm
backend_mixed.pyo	4773	0644	edit dl rm
backend_pdf.py	77716	0644	edit dl rm
backend_pdf.pyc	66626	0644	edit dl rm
backend_pdf.pyo	66508	0644	edit dl rm
backend_ps.py	51444	0644	edit dl rm
backend_ps.pyc	48055	0644	edit dl rm
backend_ps.pyo	48055	0644	edit dl rm
backend_qt.py	16846	0644	edit dl rm
backend_qt.pyc	21065	0644	edit dl rm
backend_qt.pyo	21065	0644	edit dl rm
backend_qt4.py	21006	0644	edit dl rm
backend_qt4.pyc	24697	0644	edit dl rm
backend_qt4.pyo	24697	0644	edit dl rm
backend_qt4agg.py	4799	0644	edit dl rm
backend_qt4agg.pyc	5883	0644	edit dl rm
backend_qt4agg.pyo	5883	0644	edit dl rm
backend_qtagg.py	4972	0644	edit dl rm
backend_qtagg.pyc	6014	0644	edit dl rm
backend_qtagg.pyo	6014	0644	edit dl rm
backend_svg.py	25951	0644	edit dl rm
backend_svg.pyc	24476	0644	edit dl rm
backend_svg.pyo	24368	0644	edit dl rm
backend_template.py	8806	0644	edit dl rm
backend_template.pyc	9385	0644	edit dl rm
backend_template.pyo	9385	0644	edit dl rm
backend_wx.py	78921	0644	edit dl rm
backend_wx.pyc	79007	0644	edit dl rm
backend_wx.pyo	78931	0644	edit dl rm
backend_wxagg.py	9099	0644	edit dl rm
backend_wxagg.pyc	9363	0644	edit dl rm
backend_wxagg.pyo	9363	0644	edit dl rm
_backend_agg.so	430792	0775	edit dl rm
_backend_gdk.so	8168	0775	edit dl rm
_gtkagg.so	143816	0775	edit dl rm
__init__.py	2225	0644	edit dl rm
__init__.pyc	2120	0644	edit dl rm
__init__.pyo	2120	0644	edit dl rm

Edit: /usr/lib64/python2.6/site-packages/matplotlib/backends/backend_gtk.py (40707B)

from __future__ import division

import os, sys
def fn_name(): return sys._getframe(1).f_code.co_name

try:
    import gobject
    import gtk; gdk = gtk.gdk
    import pango
except ImportError:
    raise ImportError("Gtk* backend requires pygtk to be installed.")

pygtk_version_required = (2,4,0)
if gtk.pygtk_version < pygtk_version_required:
    raise ImportError ("PyGTK %d.%d.%d is installed\n"
                      "PyGTK %d.%d.%d or later is required"
                      % (gtk.pygtk_version + pygtk_version_required))
del pygtk_version_required

import matplotlib
from matplotlib import verbose
from matplotlib._pylab_helpers import Gcf
from matplotlib.backend_bases import RendererBase, GraphicsContextBase, \
     FigureManagerBase, FigureCanvasBase, NavigationToolbar2, cursors
from matplotlib.backends.backend_gdk import RendererGDK, FigureCanvasGDK
from matplotlib.cbook import is_string_like, is_writable_file_like
from matplotlib.colors import colorConverter
from matplotlib.figure import Figure
from matplotlib.widgets import SubplotTool

from matplotlib import lines
from matplotlib import cbook

backend_version = "%d.%d.%d" % gtk.pygtk_version

_debug = False
#_debug = True

# the true dots per inch on the screen; should be display dependent
# see http://groups.google.com/groups?q=screen+dpi+x11&hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off&selm=7077.26e81ad5%40swift.cs.tcd.ie&rnum=5 for some info about screen dpi
PIXELS_PER_INCH = 96

cursord = {
    cursors.MOVE          : gdk.Cursor(gdk.FLEUR),
    cursors.HAND          : gdk.Cursor(gdk.HAND2),
    cursors.POINTER       : gdk.Cursor(gdk.LEFT_PTR),
    cursors.SELECT_REGION : gdk.Cursor(gdk.TCROSS),
    }

# ref gtk+/gtk/gtkwidget.h
def GTK_WIDGET_DRAWABLE(w):
    flags = w.flags();
    return flags & gtk.VISIBLE != 0 and flags & gtk.MAPPED != 0

def draw_if_interactive():
    """
    Is called after every pylab drawing command
    """
    if matplotlib.is_interactive():
        figManager =  Gcf.get_active()
        if figManager is not None:
            figManager.canvas.draw_idle()

def show(mainloop=True):
    """
    Show all the figures and enter the gtk main loop
    This should be the last line of your script
    """
    for manager in Gcf.get_all_fig_managers():
        manager.window.show()

if mainloop and gtk.main_level() == 0 and \
                            len(Gcf.get_all_fig_managers())>0:
        gtk.main()

def new_figure_manager(num, *args, **kwargs):
    """
    Create a new figure manager instance
    """
    FigureClass = kwargs.pop('FigureClass', Figure)
    thisFig = FigureClass(*args, **kwargs)
    canvas = FigureCanvasGTK(thisFig)
    manager = FigureManagerGTK(canvas, num)
    # equals:
    #manager = FigureManagerGTK(FigureCanvasGTK(Figure(*args, **kwargs), num)
    return manager

class FigureCanvasGTK (gtk.DrawingArea, FigureCanvasBase):
    keyvald = {65507 : 'control',
               65505 : 'shift',
               65513 : 'alt',
               65508 : 'control',
               65506 : 'shift',
               65514 : 'alt',
               65361 : 'left',
               65362 : 'up',
               65363 : 'right',
               65364 : 'down',
               65307 : 'escape',
               65470 : 'f1',
               65471 : 'f2',
               65472 : 'f3',
               65473 : 'f4',
               65474 : 'f5',
               65475 : 'f6',
               65476 : 'f7',
               65477 : 'f8',
               65478 : 'f9',
               65479 : 'f10',
               65480 : 'f11',
               65481 : 'f12',
               65300 : 'scroll_lock',
               65299 : 'break',
               65288 : 'backspace',
               65293 : 'enter',
               65379 : 'insert',
               65535 : 'delete',
               65360 : 'home',
               65367 : 'end',
               65365 : 'pageup',
               65366 : 'pagedown',
               65438 : '0',
               65436 : '1',
               65433 : '2',
               65435 : '3',
               65430 : '4',
               65437 : '5',
               65432 : '6',
               65429 : '7',
               65431 : '8',
               65434 : '9',
               65451 : '+',
               65453 : '-',
               65450 : '*',
               65455 : '/',
               65439 : 'dec',
               65421 : 'enter',
               }

def __init__(self, figure):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        FigureCanvasBase.__init__(self, figure)
        gtk.DrawingArea.__init__(self)

self._idle_draw_id  = 0
        self._need_redraw   = True
        self._pixmap_width  = -1
        self._pixmap_height = -1
        self._lastCursor    = None

self.connect('scroll_event',         self.scroll_event)
        self.connect('button_press_event',   self.button_press_event)
        self.connect('button_release_event', self.button_release_event)
        self.connect('configure_event',      self.configure_event)
        self.connect('expose_event',         self.expose_event)
        self.connect('key_press_event',      self.key_press_event)
        self.connect('key_release_event',    self.key_release_event)
        self.connect('motion_notify_event',  self.motion_notify_event)
        self.connect('leave_notify_event',   self.leave_notify_event)
        self.connect('enter_notify_event',   self.enter_notify_event)

self.set_events(self.__class__.event_mask)

self.set_double_buffered(False)
        self.set_flags(gtk.CAN_FOCUS)
        self._renderer_init()

self._idle_event_id = gobject.idle_add(self.idle_event)

def destroy(self):
        #gtk.DrawingArea.destroy(self)
        gobject.source_remove(self._idle_event_id)
        if self._idle_draw_id != 0:
            gobject.source_remove(self._idle_draw_id)

def scroll_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        x = event.x
        # flipy so y=0 is bottom of canvas
        y = self.allocation.height - event.y
        if event.direction==gdk.SCROLL_UP:
            step = 1
        else:
            step = -1
        FigureCanvasBase.scroll_event(self, x, y, step, guiEvent=event)
        return False  # finish event propagation?

def button_press_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        x = event.x
        # flipy so y=0 is bottom of canvas
        y = self.allocation.height - event.y
        FigureCanvasBase.button_press_event(self, x, y, event.button, guiEvent=event)
        return False  # finish event propagation?

def button_release_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        x = event.x
        # flipy so y=0 is bottom of canvas
        y = self.allocation.height - event.y
        FigureCanvasBase.button_release_event(self, x, y, event.button, guiEvent=event)
        return False  # finish event propagation?

def key_press_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        key = self._get_key(event)
        if _debug: print "hit", key
        FigureCanvasBase.key_press_event(self, key, guiEvent=event)
        return False  # finish event propagation?

def key_release_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        key = self._get_key(event)
        if _debug: print "release", key
        FigureCanvasBase.key_release_event(self, key, guiEvent=event)
        return False  # finish event propagation?

def motion_notify_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        if event.is_hint:
            x, y, state = event.window.get_pointer()
        else:
            x, y, state = event.x, event.y, event.state

# flipy so y=0 is bottom of canvas
        y = self.allocation.height - y
        FigureCanvasBase.motion_notify_event(self, x, y, guiEvent=event)
        return False  # finish event propagation?

def leave_notify_event(self, widget, event):
        FigureCanvasBase.leave_notify_event(self, event)

def enter_notify_event(self, widget, event):
        FigureCanvasBase.enter_notify_event(self, event)

def _get_key(self, event):
        if event.keyval in self.keyvald:
            key = self.keyvald[event.keyval]
        elif event.keyval <256:
            key = chr(event.keyval)
        else:
            key = None

ctrl  = event.state & gdk.CONTROL_MASK
        shift = event.state & gdk.SHIFT_MASK
        return key

def configure_event(self, widget, event):
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()
        if widget.window is None:
            return
        w, h = event.width, event.height
        if w < 3 or h < 3:
            return # empty fig

# resize the figure (in inches)
        dpi = self.figure.dpi
        self.figure.set_size_inches (w/dpi, h/dpi)
        self._need_redraw = True

return False  # finish event propagation?

def draw(self):
        # Note: FigureCanvasBase.draw() is inconveniently named as it clashes
        # with the deprecated gtk.Widget.draw()

self._need_redraw = True
        if GTK_WIDGET_DRAWABLE(self):
            self.queue_draw()
            # do a synchronous draw (its less efficient than an async draw,
            # but is required if/when animation is used)
            self.window.process_updates (False)

def draw_idle(self):
        def idle_draw(*args):
            self.draw()
            self._idle_draw_id = 0
            return False
        if self._idle_draw_id == 0:
            self._idle_draw_id = gobject.idle_add(idle_draw)

def _renderer_init(self):
        """Override by GTK backends to select a different renderer
        Renderer should provide the methods:
            set_pixmap ()
            set_width_height ()
        that are used by
            _render_figure() / _pixmap_prepare()
        """
        self._renderer = RendererGDK (self, self.figure.dpi)

def _pixmap_prepare(self, width, height):
        """
        Make sure _._pixmap is at least width, height,
        create new pixmap if necessary
        """
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()

create_pixmap = False
        if width > self._pixmap_width:
            # increase the pixmap in 10%+ (rather than 1 pixel) steps
            self._pixmap_width  = max (int (self._pixmap_width  * 1.1),
                                       width)
            create_pixmap = True

if height > self._pixmap_height:
            self._pixmap_height = max (int (self._pixmap_height * 1.1),
                                           height)
            create_pixmap = True

if create_pixmap:
            self._pixmap = gdk.Pixmap (self.window, self._pixmap_width,
                                       self._pixmap_height)
            self._renderer.set_pixmap (self._pixmap)

def _render_figure(self, pixmap, width, height):
        """used by GTK and GTKcairo. GTKAgg overrides
        """
        self._renderer.set_width_height (width, height)
        self.figure.draw (self._renderer)

def expose_event(self, widget, event):
        """Expose_event for all GTK backends. Should not be overridden.
        """
        if _debug: print 'FigureCanvasGTK.%s' % fn_name()

if GTK_WIDGET_DRAWABLE(self):
            if self._need_redraw:
                x, y, w, h = self.allocation
                self._pixmap_prepare (w, h)
                self._render_figure(self._pixmap, w, h)
                self._need_redraw = False

x, y, w, h = event.area
            self.window.draw_drawable (self.style.fg_gc[self.state],
                                       self._pixmap, x, y, x, y, w, h)
        return False  # finish event propagation?

filetypes = FigureCanvasBase.filetypes.copy()
    filetypes['jpg'] = 'JPEG'
    filetypes['jpeg'] = 'JPEG'
    filetypes['png'] = 'Portable Network Graphics'

def print_jpeg(self, filename, *args, **kwargs):
        return self._print_image(filename, 'jpeg')
    print_jpg = print_jpeg

def print_png(self, filename, *args, **kwargs):
        return self._print_image(filename, 'png')

def _print_image(self, filename, format):
        if self.flags() & gtk.REALIZED == 0:
            # for self.window(for pixmap) and has a side effect of altering
            # figure width,height (via configure-event?)
            gtk.DrawingArea.realize(self)

width, height = self.get_width_height()
        pixmap = gdk.Pixmap (self.window, width, height)
        self._renderer.set_pixmap (pixmap)
        self._render_figure(pixmap, width, height)

# jpg colors don't match the display very well, png colors match
        # better
        pixbuf = gdk.Pixbuf(gdk.COLORSPACE_RGB, 0, 8, width, height)
        pixbuf.get_from_drawable(pixmap, pixmap.get_colormap(),
                                     0, 0, 0, 0, width, height)

if is_string_like(filename):
            try:
                pixbuf.save(filename, format)
            except gobject.GError, exc:
                error_msg_gtk('Save figure failure:\n%s' % (exc,), parent=self)
        elif is_writable_file_like(filename):
            if hasattr(pixbuf, 'save_to_callback'):
                def save_callback(buf, data=None):
                    data.write(buf)
                try:
                    pixbuf.save_to_callback(save_callback, format, user_data=filename)
                except gobject.GError, exc:
                    error_msg_gtk('Save figure failure:\n%s' % (exc,), parent=self)
            else:
                raise ValueError("Saving to a Python file-like object is only supported by PyGTK >= 2.8")
        else:
            raise ValueError("filename must be a path or a file-like object")

def get_default_filetype(self):
        return 'png'

def flush_events(self):
        gtk.gdk.threads_enter()
        while gtk.events_pending():
            gtk.main_iteration(True)
        gtk.gdk.flush()
        gtk.gdk.threads_leave()

def start_event_loop(self,timeout):
        FigureCanvasBase.start_event_loop_default(self,timeout)
    start_event_loop.__doc__=FigureCanvasBase.start_event_loop_default.__doc__

def stop_event_loop(self):
        FigureCanvasBase.stop_event_loop_default(self)
    stop_event_loop.__doc__=FigureCanvasBase.stop_event_loop_default.__doc__

class FigureManagerGTK(FigureManagerBase):
    """
    Public attributes

canvas      : The FigureCanvas instance
    num         : The Figure number
    toolbar     : The gtk.Toolbar  (gtk only)
    vbox        : The gtk.VBox containing the canvas and toolbar (gtk only)
    window      : The gtk.Window   (gtk only)
    """
    def __init__(self, canvas, num):
        if _debug: print 'FigureManagerGTK.%s' % fn_name()
        FigureManagerBase.__init__(self, canvas, num)

self.window = gtk.Window()
        self.window.set_title("Figure %d" % num)
        if (window_icon):
            try:
                self.window.set_icon_from_file(window_icon)
            except:
                # some versions of gtk throw a glib.GError but not
                # all, so I am not sure how to catch it.  I am unhappy
                # diong a blanket catch here, but an not sure what a
                # better way is - JDH
                verbose.report('Could not load matplotlib icon: %s' % sys.exc_info()[1])
                
        self.vbox = gtk.VBox()
        self.window.add(self.vbox)
        self.vbox.show()

self.canvas.show()

# attach a show method to the figure  for pylab ease of use
        self.canvas.figure.show = lambda *args: self.window.show()

self.vbox.pack_start(self.canvas, True, True)

self.toolbar = self._get_toolbar(canvas)

# calculate size for window
        w = int (self.canvas.figure.bbox.width)
        h = int (self.canvas.figure.bbox.height)

if self.toolbar is not None:
            self.toolbar.show()
            self.vbox.pack_end(self.toolbar, False, False)

tb_w, tb_h = self.toolbar.size_request()
            h += tb_h
        self.window.set_default_size (w, h)

def destroy(*args):
            Gcf.destroy(num)
        self.window.connect("destroy", destroy)
        self.window.connect("delete_event", destroy)
        if matplotlib.is_interactive():
            self.window.show()

def notify_axes_change(fig):
            'this will be called whenever the current axes is changed'
            if self.toolbar is not None: self.toolbar.update()
        self.canvas.figure.add_axobserver(notify_axes_change)

self.canvas.grab_focus()

def destroy(self, *args):
        if _debug: print 'FigureManagerGTK.%s' % fn_name()
        self.vbox.destroy()
        self.window.destroy()
        self.canvas.destroy()
        if self.toolbar:
            self.toolbar.destroy()
        self.__dict__.clear()

if Gcf.get_num_fig_managers()==0 and \
               not matplotlib.is_interactive() and \
               gtk.main_level() >= 1:
            gtk.main_quit()

def show(self):
        # show the figure window
        self.window.show()

def full_screen_toggle (self):
        self._full_screen_flag = not self._full_screen_flag
        if self._full_screen_flag:
            self.window.fullscreen()
        else:
            self.window.unfullscreen()
    _full_screen_flag = False

def _get_toolbar(self, canvas):
        # must be inited after the window, drawingArea and figure
        # attrs are set
        if matplotlib.rcParams['toolbar'] == 'classic':
            toolbar = NavigationToolbar (canvas, self.window)
        elif matplotlib.rcParams['toolbar'] == 'toolbar2':
            toolbar = NavigationToolbar2GTK (canvas, self.window)
        else:
            toolbar = None
        return toolbar

def set_window_title(self, title):
        self.window.set_title(title)

def resize(self, width, height):
        'set the canvas size in pixels'
        #_, _, cw, ch = self.canvas.allocation
        #_, _, ww, wh = self.window.allocation
        #self.window.resize (width-cw+ww, height-ch+wh)
        self.window.resize(width, height)

class NavigationToolbar2GTK(NavigationToolbar2, gtk.Toolbar):
    # list of toolitems to add to the toolbar, format is:
    # text, tooltip_text, image_file, callback(str)
    toolitems = (
        ('Home', 'Reset original view', 'home.png', 'home'),
        ('Back', 'Back to  previous view','back.png', 'back'),
        ('Forward', 'Forward to next view','forward.png', 'forward'),
        ('Pan', 'Pan axes with left mouse, zoom with right', 'move.png','pan'),
        ('Zoom', 'Zoom to rectangle','zoom_to_rect.png', 'zoom'),
        (None, None, None, None),
        ('Subplots', 'Configure subplots','subplots.png', 'configure_subplots'),
        ('Save', 'Save the figure','filesave.png', 'save_figure'),
        )

def __init__(self, canvas, window):
        self.win = window
        gtk.Toolbar.__init__(self)
        NavigationToolbar2.__init__(self, canvas)
        self._idle_draw_id = 0

def set_message(self, s):
        if self._idle_draw_id == 0:
            self.message.set_label(s)

def set_cursor(self, cursor):
        self.canvas.window.set_cursor(cursord[cursor])

def release(self, event):
        try: del self._imageBack
        except AttributeError: pass

def dynamic_update(self):
        # legacy method; new method is canvas.draw_idle
        self.canvas.draw_idle()

def draw_rubberband(self, event, x0, y0, x1, y1):
        'adapted from http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/189744'
        drawable = self.canvas.window
        if drawable is None:
            return

gc = drawable.new_gc()

height = self.canvas.figure.bbox.height
        y1 = height - y1
        y0 = height - y0

w = abs(x1 - x0)
        h = abs(y1 - y0)

rect = [int(val)for val in min(x0,x1), min(y0, y1), w, h]
        try: lastrect, imageBack = self._imageBack
        except AttributeError:
            #snap image back
            if event.inaxes is None:
                return

ax = event.inaxes
            l,b,w,h = [int(val) for val in ax.bbox.bounds]
            b = int(height)-(b+h)
            axrect = l,b,w,h
            self._imageBack = axrect, drawable.get_image(*axrect)
            drawable.draw_rectangle(gc, False, *rect)
            self._idle_draw_id = 0
        else:
            def idle_draw(*args):
                drawable.draw_image(gc, imageBack, 0, 0, *lastrect)
                drawable.draw_rectangle(gc, False, *rect)
                self._idle_draw_id = 0
                return False
            if self._idle_draw_id == 0:
                self._idle_draw_id = gobject.idle_add(idle_draw)

def _init_toolbar(self):
        self.set_style(gtk.TOOLBAR_ICONS)
        self._init_toolbar2_4()

def _init_toolbar2_4(self):
        basedir = os.path.join(matplotlib.rcParams['datapath'],'images')
        self.tooltips = gtk.Tooltips()

for text, tooltip_text, image_file, callback in self.toolitems:
            if text is None:
                self.insert( gtk.SeparatorToolItem(), -1 )
                continue
            fname = os.path.join(basedir, image_file)
            image = gtk.Image()
            image.set_from_file(fname)
            tbutton = gtk.ToolButton(image, text)
            self.insert(tbutton, -1)
            tbutton.connect('clicked', getattr(self, callback))
            tbutton.set_tooltip(self.tooltips, tooltip_text, 'Private')

toolitem = gtk.SeparatorToolItem()
        self.insert(toolitem, -1)
        # set_draw() not making separator invisible,
        # bug #143692 fixed Jun 06 2004, will be in GTK+ 2.6
        toolitem.set_draw(False)
        toolitem.set_expand(True)

toolitem = gtk.ToolItem()
        self.insert(toolitem, -1)
        self.message = gtk.Label()
        toolitem.add(self.message)

self.show_all()

def get_filechooser(self):
        return FileChooserDialog(
            title='Save the figure',
            parent=self.win,
            filetypes=self.canvas.get_supported_filetypes(),
            default_filetype=self.canvas.get_default_filetype())

def save_figure(self, button):
        fname, format = self.get_filechooser().get_filename_from_user()
        if fname:
            try:
                self.canvas.print_figure(fname, format=format)
            except Exception, e:
                error_msg_gtk(str(e), parent=self)

def configure_subplots(self, button):
        toolfig = Figure(figsize=(6,3))
        canvas = self._get_canvas(toolfig)
        toolfig.subplots_adjust(top=0.9)
        tool =  SubplotTool(self.canvas.figure, toolfig)

w = int (toolfig.bbox.width)
        h = int (toolfig.bbox.height)

window = gtk.Window()
        if (window_icon):
            try: window.set_icon_from_file(window_icon)
            except:
                # we presumably already logged a message on the
                # failure of the main plot, don't keep reporting
                pass
        window.set_title("Subplot Configuration Tool")
        window.set_default_size(w, h)
        vbox = gtk.VBox()
        window.add(vbox)
        vbox.show()

canvas.show()
        vbox.pack_start(canvas, True, True)
        window.show()

def _get_canvas(self, fig):
        return FigureCanvasGTK(fig)

class NavigationToolbar(gtk.Toolbar):
    """
    Public attributes

canvas - the FigureCanvas  (gtk.DrawingArea)
      win    - the gtk.Window

"""
    # list of toolitems to add to the toolbar, format is:
    # text, tooltip_text, image, callback(str), callback_arg, scroll(bool)
    toolitems = (
        ('Left', 'Pan left with click or wheel mouse (bidirectional)',
         gtk.STOCK_GO_BACK, 'panx', -1, True),
        ('Right', 'Pan right with click or wheel mouse (bidirectional)',
         gtk.STOCK_GO_FORWARD, 'panx', 1, True),
        ('Zoom In X',
         'Zoom In X (shrink the x axis limits) with click or wheel'
         ' mouse (bidirectional)',
         gtk.STOCK_ZOOM_IN, 'zoomx', 1, True),
        ('Zoom Out X',
         'Zoom Out X (expand the x axis limits) with click or wheel'
         ' mouse (bidirectional)',
         gtk.STOCK_ZOOM_OUT, 'zoomx', -1, True),
        (None, None, None, None, None, None,),
        ('Up', 'Pan up with click or wheel mouse (bidirectional)',
         gtk.STOCK_GO_UP, 'pany', 1, True),
        ('Down', 'Pan down with click or wheel mouse (bidirectional)',
         gtk.STOCK_GO_DOWN, 'pany', -1, True),
        ('Zoom In Y',
         'Zoom in Y (shrink the y axis limits) with click or wheel'
         ' mouse (bidirectional)',
         gtk.STOCK_ZOOM_IN, 'zoomy', 1, True),
        ('Zoom Out Y',
         'Zoom Out Y (expand the y axis limits) with click or wheel'
         ' mouse (bidirectional)',
         gtk.STOCK_ZOOM_OUT, 'zoomy', -1, True),
        (None, None, None, None, None, None,),
        ('Save', 'Save the figure',
         gtk.STOCK_SAVE, 'save_figure', None, False),
        )

def __init__(self, canvas, window):
        """
        figManager is the FigureManagerGTK instance that contains the
        toolbar, with attributes figure, window and drawingArea

"""
        gtk.Toolbar.__init__(self)

self.canvas = canvas
        # Note: gtk.Toolbar already has a 'window' attribute
        self.win    = window

self.set_style(gtk.TOOLBAR_ICONS)

self._create_toolitems_2_4()
        self.update = self._update_2_4
        self.fileselect = FileChooserDialog(
            title='Save the figure',
            parent=self.win,
            filetypes=self.canvas.get_supported_filetypes(),
            default_filetype=self.canvas.get_default_filetype())
        self.show_all()
        self.update()

def _create_toolitems_2_4(self):
        # use the GTK+ 2.4 GtkToolbar API
        iconSize = gtk.ICON_SIZE_SMALL_TOOLBAR
        self.tooltips = gtk.Tooltips()

for text, tooltip_text, image_num, callback, callback_arg, scroll \
                in self.toolitems:
            if text is None:
                self.insert( gtk.SeparatorToolItem(), -1 )
                continue
            image = gtk.Image()
            image.set_from_stock(image_num, iconSize)
            tbutton = gtk.ToolButton(image, text)
            self.insert(tbutton, -1)
            if callback_arg:
                tbutton.connect('clicked', getattr(self, callback),
                                callback_arg)
            else:
                tbutton.connect('clicked', getattr(self, callback))
            if scroll:
                tbutton.connect('scroll_event', getattr(self, callback))
            tbutton.set_tooltip(self.tooltips, tooltip_text, 'Private')

# Axes toolitem, is empty at start, update() adds a menu if >=2 axes
        self.axes_toolitem = gtk.ToolItem()
        self.insert(self.axes_toolitem, 0)
        self.axes_toolitem.set_tooltip (
            self.tooltips,
            tip_text='Select axes that controls affect',
            tip_private = 'Private')

align = gtk.Alignment (xalign=0.5, yalign=0.5, xscale=0.0, yscale=0.0)
        self.axes_toolitem.add(align)

self.menubutton = gtk.Button ("Axes")
        align.add (self.menubutton)

def position_menu (menu):
            """Function for positioning a popup menu.
            Place menu below the menu button, but ensure it does not go off
            the bottom of the screen.
            The default is to popup menu at current mouse position
            """
            x0, y0    = self.window.get_origin()
            x1, y1, m = self.window.get_pointer()
            x2, y2    = self.menubutton.get_pointer()
            sc_h      = self.get_screen().get_height()  # requires GTK+ 2.2 +
            w, h      = menu.size_request()

x = x0 + x1 - x2
            y = y0 + y1 - y2 + self.menubutton.allocation.height
            y = min(y, sc_h - h)
            return x, y, True

def button_clicked (button, data=None):
            self.axismenu.popup (None, None, position_menu, 0,
                                 gtk.get_current_event_time())

self.menubutton.connect ("clicked", button_clicked)

def _update_2_4(self):
        # for GTK+ 2.4+
        # called by __init__() and FigureManagerGTK

self._axes = self.canvas.figure.axes

if len(self._axes) >= 2:
            self.axismenu = self._make_axis_menu()
            self.menubutton.show_all()
        else:
            self.menubutton.hide()

self.set_active(range(len(self._axes)))

def _make_axis_menu(self):
        # called by self._update*()

def toggled(item, data=None):
            if item == self.itemAll:
                for item in items: item.set_active(True)
            elif item == self.itemInvert:
                for item in items:
                    item.set_active(not item.get_active())

ind = [i for i,item in enumerate(items) if item.get_active()]
            self.set_active(ind)

menu = gtk.Menu()

self.itemAll = gtk.MenuItem("All")
        menu.append(self.itemAll)
        self.itemAll.connect("activate", toggled)

self.itemInvert = gtk.MenuItem("Invert")
        menu.append(self.itemInvert)
        self.itemInvert.connect("activate", toggled)

items = []
        for i in range(len(self._axes)):
            item = gtk.CheckMenuItem("Axis %d" % (i+1))
            menu.append(item)
            item.connect("toggled", toggled)
            item.set_active(True)
            items.append(item)

menu.show_all()
        return menu

def set_active(self, ind):
        self._ind = ind
        self._active = [ self._axes[i] for i in self._ind ]

def panx(self, button, direction):
        'panx in direction'

for a in self._active:
            a.xaxis.pan(direction)
        self.canvas.draw()
        return True

def pany(self, button, direction):
        'pany in direction'
        for a in self._active:
            a.yaxis.pan(direction)
        self.canvas.draw()
        return True

def zoomx(self, button, direction):
        'zoomx in direction'
        for a in self._active:
            a.xaxis.zoom(direction)
        self.canvas.draw()
        return True

def zoomy(self, button, direction):
        'zoomy in direction'
        for a in self._active:
            a.yaxis.zoom(direction)
        self.canvas.draw()
        return True

class FileChooserDialog(gtk.FileChooserDialog):
    """GTK+ 2.4 file selector which remembers the last file/directory
    selected and presents the user with a menu of supported image formats
    """
    def __init__ (self,
                  title   = 'Save file',
                  parent  = None,
                  action  = gtk.FILE_CHOOSER_ACTION_SAVE,
                  buttons = (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
                             gtk.STOCK_SAVE,   gtk.RESPONSE_OK),
                  path    = None,
                  filetypes = [],
                  default_filetype = None
                  ):
        super (FileChooserDialog, self).__init__ (title, parent, action,
                                                  buttons)
        self.set_default_response (gtk.RESPONSE_OK)

if not path: path = os.getcwd() + os.sep

# create an extra widget to list supported image formats
        self.set_current_folder (path)
        self.set_current_name ('image.' + default_filetype)

hbox = gtk.HBox (spacing=10)
        hbox.pack_start (gtk.Label ("File Format:"), expand=False)

liststore = gtk.ListStore(gobject.TYPE_STRING)
        cbox = gtk.ComboBox(liststore)
        cell = gtk.CellRendererText()
        cbox.pack_start(cell, True)
        cbox.add_attribute(cell, 'text', 0)
        hbox.pack_start (cbox)

self.filetypes = filetypes
        self.sorted_filetypes = filetypes.items()
        self.sorted_filetypes.sort()
        default = 0
        for i, (ext, name) in enumerate(self.sorted_filetypes):
            cbox.append_text ("%s (*.%s)" % (name, ext))
            if ext == default_filetype:
                default = i
        cbox.set_active(default)
        self.ext = default_filetype

def cb_cbox_changed (cbox, data=None):
            """File extension changed"""
            head, filename = os.path.split(self.get_filename())
            root, ext = os.path.splitext(filename)
            ext = ext[1:]
            new_ext = self.sorted_filetypes[cbox.get_active()][0]
            self.ext = new_ext

if ext in self.filetypes:
                filename = root + '.' + new_ext
            elif ext == '':
                filename = filename.rstrip('.') + '.' + new_ext

self.set_current_name (filename)
        cbox.connect ("changed", cb_cbox_changed)

hbox.show_all()
        self.set_extra_widget(hbox)

def get_filename_from_user (self):
        while True:
            filename = None
            if self.run() != int(gtk.RESPONSE_OK):
                break
            filename = self.get_filename()
            break

self.hide()
        return filename, self.ext

class DialogLineprops:
    """
    A GUI dialog for controlling lineprops
    """
    signals = (
        'on_combobox_lineprops_changed',
        'on_combobox_linestyle_changed',
        'on_combobox_marker_changed',
        'on_colorbutton_linestyle_color_set',
        'on_colorbutton_markerface_color_set',
        'on_dialog_lineprops_okbutton_clicked',
        'on_dialog_lineprops_cancelbutton_clicked',
        )

linestyles = [ls for ls in lines.Line2D.lineStyles if ls.strip()]
    linestyled = dict([ (s,i) for i,s in enumerate(linestyles)])

markers =  [m for m in lines.Line2D.markers if cbook.is_string_like(m)]

markerd = dict([(s,i) for i,s in enumerate(markers)])

def __init__(self, lines):
        import gtk.glade

datadir = matplotlib.get_data_path()
        gladefile = os.path.join(datadir, 'lineprops.glade')
        if not os.path.exists(gladefile):
            raise IOError('Could not find gladefile lineprops.glade in %s'%datadir)

self._inited = False
        self._updateson = True # suppress updates when setting widgets manually
        self.wtree = gtk.glade.XML(gladefile, 'dialog_lineprops')
        self.wtree.signal_autoconnect(dict([(s, getattr(self, s)) for s in self.signals]))

self.dlg = self.wtree.get_widget('dialog_lineprops')

self.lines = lines

cbox = self.wtree.get_widget('combobox_lineprops')
        cbox.set_active(0)
        self.cbox_lineprops = cbox

cbox = self.wtree.get_widget('combobox_linestyles')
        for ls in self.linestyles:
            cbox.append_text(ls)
        cbox.set_active(0)
        self.cbox_linestyles = cbox

cbox = self.wtree.get_widget('combobox_markers')
        for m in self.markers:
            cbox.append_text(m)
        cbox.set_active(0)
        self.cbox_markers = cbox
        self._lastcnt = 0
        self._inited = True

def show(self):
        'populate the combo box'
        self._updateson = False
        # flush the old
        cbox = self.cbox_lineprops
        for i in range(self._lastcnt-1,-1,-1):
            cbox.remove_text(i)

# add the new
        for line in self.lines:
            cbox.append_text(line.get_label())
        cbox.set_active(0)

self._updateson = True
        self._lastcnt = len(self.lines)
        self.dlg.show()

def get_active_line(self):
        'get the active line'
        ind = self.cbox_lineprops.get_active()
        line = self.lines[ind]
        return line

def get_active_linestyle(self):
        'get the active lineinestyle'
        ind = self.cbox_linestyles.get_active()
        ls = self.linestyles[ind]
        return ls

def get_active_marker(self):
        'get the active lineinestyle'
        ind = self.cbox_markers.get_active()
        m = self.markers[ind]
        return m

def _update(self):
        'update the active line props from the widgets'
        if not self._inited or not self._updateson: return
        line = self.get_active_line()
        ls = self.get_active_linestyle()
        marker = self.get_active_marker()
        line.set_linestyle(ls)
        line.set_marker(marker)

button = self.wtree.get_widget('colorbutton_linestyle')
        color = button.get_color()
        r, g, b = [val/65535. for val in color.red, color.green, color.blue]
        line.set_color((r,g,b))

button = self.wtree.get_widget('colorbutton_markerface')
        color = button.get_color()
        r, g, b = [val/65535. for val in color.red, color.green, color.blue]
        line.set_markerfacecolor((r,g,b))

line.figure.canvas.draw()

def on_combobox_lineprops_changed(self, item):
        'update the widgets from the active line'
        if not self._inited: return
        self._updateson = False
        line = self.get_active_line()

ls = line.get_linestyle()
        if ls is None: ls = 'None'
        self.cbox_linestyles.set_active(self.linestyled[ls])

marker = line.get_marker()
        if marker is None: marker = 'None'
        self.cbox_markers.set_active(self.markerd[marker])

r,g,b = colorConverter.to_rgb(line.get_color())
        color = gtk.gdk.Color(*[int(val*65535) for val in r,g,b])
        button = self.wtree.get_widget('colorbutton_linestyle')
        button.set_color(color)

r,g,b = colorConverter.to_rgb(line.get_markerfacecolor())
        color = gtk.gdk.Color(*[int(val*65535) for val in r,g,b])
        button = self.wtree.get_widget('colorbutton_markerface')
        button.set_color(color)
        self._updateson = True

def on_combobox_linestyle_changed(self, item):
        self._update()

def on_combobox_marker_changed(self, item):
        self._update()

def on_colorbutton_linestyle_color_set(self, button):
        self._update()

def on_colorbutton_markerface_color_set(self, button):
        'called colorbutton marker clicked'
        self._update()

def on_dialog_lineprops_okbutton_clicked(self, button):
        self._update()
        self.dlg.hide()

def on_dialog_lineprops_cancelbutton_clicked(self, button):
        self.dlg.hide()

# set icon used when windows are minimized
# Unfortunately, the SVG renderer (rsvg) leaks memory under earlier
# versions of pygtk, so we have to use a PNG file instead.
try:

if gtk.pygtk_version < (2, 8, 0) or sys.platform == 'win32':
        icon_filename = 'matplotlib.png'
    else:
        icon_filename = 'matplotlib.svg'
    window_icon = os.path.join(matplotlib.rcParams['datapath'], 'images', icon_filename)
except:
    window_icon = None
    verbose.report('Could not load matplotlib icon: %s' % sys.exc_info()[1])

def error_msg_gtk(msg, parent=None):
    if parent is not None: # find the toplevel gtk.Window
        parent = parent.get_toplevel()
        if parent.flags() & gtk.TOPLEVEL == 0:
            parent = None

if not is_string_like(msg):
        msg = ','.join(map(str,msg))

dialog = gtk.MessageDialog(
        parent         = parent,
        type           = gtk.MESSAGE_ERROR,
        buttons        = gtk.BUTTONS_OK,
        message_format = msg)
    dialog.run()
    dialog.destroy()

FigureManager = FigureManagerGTK

cmd: