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# encoding: utf-8 -*- test-case-name:
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# FIXME: Need to add tests.
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# ipython1.frontend.cocoa.tests.test_cocoa_frontend -*-
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"""Classes to provide a Wx frontend to the
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ipython1.kernel.engineservice.EngineService.
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"""
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__docformat__ = "restructuredtext en"
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#-------------------------------------------------------------------------------
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# Copyright (C) 2008 The IPython Development Team
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#
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# Distributed under the terms of the BSD License. The full license is in
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# the file COPYING, distributed as part of this software.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Imports
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#-------------------------------------------------------------------------------
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import wx
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from console_widget import ConsoleWidget
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from IPython.frontend.linefrontendbase import LineFrontEndBase
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#-------------------------------------------------------------------------------
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# Classes to implement the Wx frontend
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#-------------------------------------------------------------------------------
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class IPythonWxController(LineFrontEndBase, ConsoleWidget):
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output_prompt = \
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'\n\x01\x1b[0;31m\x02Out[\x01\x1b[1;31m\x02%i\x01\x1b[0;31m\x02]: \x01\x1b[0m\x02'
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#--------------------------------------------------------------------------
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# Public API
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#--------------------------------------------------------------------------
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def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition,
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size=wx.DefaultSize, style=wx.CLIP_CHILDREN,
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*args, **kwds):
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""" Create Shell instance.
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"""
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ConsoleWidget.__init__(self, parent, id, pos, size, style)
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LineFrontEndBase.__init__(self)
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# Capture Character keys
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self.Bind(wx.EVT_KEY_DOWN, self._on_key_down)
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#--------------------------------------------------------------------------
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# Private API
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#--------------------------------------------------------------------------
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def _on_key_down(self, event, skip=True):
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""" Capture the character events, let the parent
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widget handle them, and put our logic afterward.
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"""
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current_line_number = self.GetCurrentLine()
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# Up history
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if event.KeyCode == wx.WXK_UP and (
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( current_line_number == self.current_prompt_line and
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event.Modifiers in (wx.MOD_NONE, wx.MOD_WIN) )
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or event.ControlDown() ):
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new_buffer = self.get_history_previous(
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self.get_current_edit_buffer())
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if new_buffer is not None:
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self.replace_current_edit_buffer(new_buffer)
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if self.GetCurrentLine() > self.current_prompt_line:
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# Go to first line, for seemless history up.
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self.GotoPos(self.current_prompt_pos)
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# Down history
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elif event.KeyCode == wx.WXK_DOWN and (
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( current_line_number == self.LineCount -1 and
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event.Modifiers in (wx.MOD_NONE, wx.MOD_WIN) )
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or event.ControlDown() ):
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new_buffer = self.get_history_next()
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if new_buffer is not None:
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self.replace_current_edit_buffer(new_buffer)
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else:
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ConsoleWidget._on_key_down(self, event, skip=skip)
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if __name__ == '__main__':
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class MainWindow(wx.Frame):
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def __init__(self, parent, id, title):
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wx.Frame.__init__(self, parent, id, title, size=(300,250))
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self._sizer = wx.BoxSizer(wx.VERTICAL)
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self.shell = IPythonWxController(self)
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self._sizer.Add(self.shell, 1, wx.EXPAND)
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self.SetSizer(self._sizer)
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self.SetAutoLayout(1)
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self.Show(True)
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app = wx.PySimpleApp()
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frame = MainWindow(None, wx.ID_ANY, 'Ipython')
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frame.shell.SetFocus()
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frame.SetSize((660, 460))
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self = frame.shell
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app.MainLoop()
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