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#!/usr/bin/env python
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"""
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WARNING: This example is currently broken, see
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https://github.com/ipython/ipython/issues/645 for details on our progress on
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this issue.
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A Simple wx example to test IPython's event loop integration.
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To run this do:
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In [5]: %gui wx
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In [6]: %run gui-wx.py
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Ref: Modified from wxPython source code wxPython/samples/simple/simple.py
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This example can only be run once in a given IPython session because when
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the frame is closed, wx goes through its shutdown sequence, killing further
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attempts. I am sure someone who knows wx can fix this issue.
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Furthermore, once this example is run, the Wx event loop is mostly dead, so
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even other new uses of Wx may not work correctly. If you know how to better
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handle this, please contact the ipython developers and let us know.
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Note however that we will work with the Matplotlib and Enthought developers so
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that the main interactive uses of Wx we are aware of, namely these tools, will
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continue to work well with IPython interactively.
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"""
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import wx
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class MyFrame(wx.Frame):
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"""
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This is MyFrame. It just shows a few controls on a wxPanel,
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and has a simple menu.
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"""
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def __init__(self, parent, title):
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wx.Frame.__init__(self, parent, -1, title,
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pos=(150, 150), size=(350, 200))
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# Create the menubar
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menuBar = wx.MenuBar()
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# and a menu
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menu = wx.Menu()
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# add an item to the menu, using \tKeyName automatically
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# creates an accelerator, the third param is some help text
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# that will show up in the statusbar
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menu.Append(wx.ID_EXIT, "E&xit\tAlt-X", "Exit this simple sample")
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# bind the menu event to an event handler
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self.Bind(wx.EVT_MENU, self.OnTimeToClose, id=wx.ID_EXIT)
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# and put the menu on the menubar
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menuBar.Append(menu, "&File")
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self.SetMenuBar(menuBar)
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self.CreateStatusBar()
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# Now create the Panel to put the other controls on.
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panel = wx.Panel(self)
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# and a few controls
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text = wx.StaticText(panel, -1, "Hello World!")
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text.SetFont(wx.Font(14, wx.SWISS, wx.NORMAL, wx.BOLD))
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text.SetSize(text.GetBestSize())
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btn = wx.Button(panel, -1, "Close")
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funbtn = wx.Button(panel, -1, "Just for fun...")
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# bind the button events to handlers
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self.Bind(wx.EVT_BUTTON, self.OnTimeToClose, btn)
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self.Bind(wx.EVT_BUTTON, self.OnFunButton, funbtn)
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# Use a sizer to layout the controls, stacked vertically and with
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# a 10 pixel border around each
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sizer = wx.BoxSizer(wx.VERTICAL)
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sizer.Add(text, 0, wx.ALL, 10)
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sizer.Add(btn, 0, wx.ALL, 10)
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sizer.Add(funbtn, 0, wx.ALL, 10)
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panel.SetSizer(sizer)
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panel.Layout()
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def OnTimeToClose(self, evt):
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"""Event handler for the button click."""
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print "See ya later!"
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self.Close()
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def OnFunButton(self, evt):
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"""Event handler for the button click."""
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print "Having fun yet?"
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class MyApp(wx.App):
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def OnInit(self):
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frame = MyFrame(None, "Simple wxPython App")
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self.SetTopWindow(frame)
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print "Print statements go to this stdout window by default."
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frame.Show(True)
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return True
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if __name__ == '__main__':
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raise NotImplementedError(
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'Standalone WX GUI support is currently broken. '
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'See https://github.com/ipython/ipython/issues/645 for details')
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app = wx.GetApp()
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if app is None:
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app = MyApp(redirect=False, clearSigInt=False)
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try:
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from IPython.lib.inputhook import enable_wx
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enable_wx(app)
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except ImportError:
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app.MainLoop()
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