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POMatplotlib ToolBar Icons disappear when selected in wxPython Panel
 

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  1. POMatplotlib ToolBar Icons disappear when selected in wxPython Panel
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    <p>I've encountered this behaviour intermittently using the Matplotlib NavigationToolbar2Wx in a Matplotlib Figure canvas in a wx.Frame (or wx.Panel). If the Zoom Icon or Pan Icon are selected the icon disappears however a click in the vacant space still toggles the tool. The Icons for the Home, Backward step or Forward step all behave as expected.</p> <p>Can anyone offer advice on 1. what causes it and 2. how to fix it?</p> <p>Thanks to joaquin for posting the initial code slightly modified to include the toolbar. (http://stackoverflow.com/questions/10737459/embedding-a-matplotlib-figure-inside-a-wxpython-panel)</p> <p>I'm use python 2.6, wxPython 2.9.2.4 osx-carbon (classic) and Matplotlib 1.1.0</p> <p>Thanks</p> <p>The code below shows the problem:</p> <pre><code> #!/usr/bin/env python # encoding: UTF-8 """ wxPython and Matplotlib Canvas with Matplotlib Toolbar.py """ from numpy import arange, sin, pi import matplotlib matplotlib.use('WXAgg') from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as FigureCanvas from matplotlib.backends.backend_wx import NavigationToolbar2Wx from matplotlib.figure import Figure import wx class CanvasPanel(wx.Panel): def __init__(self, parent): wx.Panel.__init__(self, parent) self.figure = Figure() self.axes = self.figure.add_subplot(111) self.canvas = FigureCanvas(self, -1, self.figure) # Add Matplotlib Toolbar # Add the Matplotlib Navigation toolBar here self.toolbar=NavigationToolbar2Wx(self.canvas) self.toolbar.AddLabelTool(5,'',wx.ArtProvider.GetBitmap(wx.ART_FILE_OPEN, wx.ART_TOOLBAR, (32,32))) #self.Bind(wx.EVT_TOOL, self.NewTitle(), id=5) self.toolbar.Realize() # Add to Box Sizer self.sizer = wx.BoxSizer(wx.VERTICAL) self.sizer.Add(self.toolbar, 0, wx.LEFT | wx.TOP | wx.GROW) self.sizer.Add(self.canvas, 1, wx.LEFT | wx.TOP | wx.GROW) self.SetSizer(self.sizer) self.Fit() def draw(self): t = arange(0.0, 3.0, 0.01) s = sin(2 * pi * t) self.axes.plot(t, s) if __name__ == "__main__": app = wx.PySimpleApp() fr = wx.Frame(None, title='test',size=(800,600)) panel = CanvasPanel(fr) panel.draw() fr.Show() app.MainLoop() </code></pre>
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