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#!/usr/bin/env python
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#!/usr/bin/env python
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# encoding: utf-8
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# encoding: utf-8
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"""
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"""
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Inputhook management for GUI event loop integration.
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Inputhook management for GUI event loop integration.
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"""
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"""
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Copyright (C) 2008-2009 The IPython Development Team
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# Copyright (C) 2008-2009 The IPython Development Team
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#
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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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# 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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# the file COPYING, distributed as part of this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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# Imports
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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import ctypes
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import ctypes
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import sys
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import sys
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Constants
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# Constants
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Constants for identifying the GUI toolkits.
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# Constants for identifying the GUI toolkits.
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GUI_WX = 'wx'
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GUI_WX = 'wx'
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GUI_QT4 = 'qt4'
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GUI_QT4 = 'qt4'
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GUI_GTK = 'gtk'
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GUI_GTK = 'gtk'
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GUI_TK = 'tk'
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GUI_TK = 'tk'
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Utility classes
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# Utility classes
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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class _DummyMainloop(object):
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class _DummyMainloop(object):
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"""A special manager to hijack GUI mainloops that is mostly a no-op.
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"""A special manager to hijack GUI mainloops that is mostly a no-op.
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We are not using this class currently as it breaks GUI code that calls
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We are not using this class currently as it breaks GUI code that calls
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a mainloop function after the app has started to process pending events.
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a mainloop function after the app has started to process pending events.
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"""
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"""
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def __init__(self, ml, ihm, gui_type):
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def __init__(self, ml, ihm, gui_type):
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self.ml = ml
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self.ml = ml
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self.ihm = ihm
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self.ihm = ihm
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self.gui_type = gui_type
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self.gui_type = gui_type
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def __call__(self, *args, **kw):
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def __call__(self, *args, **kw):
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if self.ihm.current_gui() == self.gui_type:
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if self.ihm.current_gui() == self.gui_type:
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pass
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pass
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else:
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else:
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self.ml(*args, **kw)
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self.ml(*args, **kw)
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Appstart and spin functions
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# Appstart and spin functions
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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def appstart_qt4(app):
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def appstart_qt4(app):
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"""Start the qt4 event loop in a way that plays with IPython.
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"""Start the qt4 event loop in a way that plays with IPython.
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When a qt4 app is run interactively in IPython, the event loop should
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When a qt4 app is run interactively in IPython, the event loop should
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not be started. This function checks to see if IPython's qt4 integration
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not be started. This function checks to see if IPython's qt4 integration
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is activated and if so, it passes. If not, it will call the :meth:`exec_`
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is activated and if so, it passes. If not, it will call the :meth:`exec_`
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method of the main qt4 app.
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method of the main qt4 app.
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This function should be used by users who want their qt4 scripts to work
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This function should be used by users who want their qt4 scripts to work
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both at the command line and in IPython. These users should put the
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both at the command line and in IPython. These users should put the
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following logic at the bottom on their script, after they create a
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following logic at the bottom on their script, after they create a
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:class:`QApplication` instance (called ``app`` here)::
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:class:`QApplication` instance (called ``app`` here)::
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try:
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try:
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from IPython.lib.inputhook import appstart_qt4
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from IPython.lib.inputhook import appstart_qt4
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appstart_qt4(app)
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appstart_qt4(app)
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except ImportError:
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except ImportError:
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app.exec_()
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app.exec_()
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"""
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"""
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from PyQt4 import QtCore, QtGui
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from PyQt4 import QtCore, QtGui
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assert isinstance(app, QtCore.QCoreApplication)
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assert isinstance(app, QtCore.QCoreApplication)
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if app is not None:
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if app is not None:
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if current_gui() == GUI_QT4:
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if current_gui() == GUI_QT4:
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pass
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pass
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else:
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else:
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app.exec_()
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app.exec_()
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def appstart_wx(app):
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def appstart_wx(app):
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"""Start the wx event loop in a way that plays with IPython.
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"""Start the wx event loop in a way that plays with IPython.
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When a wx app is run interactively in IPython, the event loop should
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When a wx app is run interactively in IPython, the event loop should
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not be started. This function checks to see if IPython's wx integration
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not be started. This function checks to see if IPython's wx integration
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is activated and if so, it passes. If not, it will call the
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is activated and if so, it passes. If not, it will call the
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:meth:`MainLoop` method of the main qt4 app.
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:meth:`MainLoop` method of the main qt4 app.
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This function should be used by users who want their wx scripts to work
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This function should be used by users who want their wx scripts to work
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both at the command line and in IPython. These users should put the
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both at the command line and in IPython. These users should put the
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following logic at the bottom on their script, after they create a
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following logic at the bottom on their script, after they create a
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:class:`App` instance (called ``app`` here)::
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:class:`App` instance (called ``app`` here)::
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try:
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try:
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from IPython.lib.inputhook import appstart_wx
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from IPython.lib.inputhook import appstart_wx
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appstart_wx(app)
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appstart_wx(app)
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except ImportError:
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except ImportError:
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app.MainLoop()
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app.MainLoop()
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"""
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"""
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import wx
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import wx
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assert isinstance(app, wx.App)
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assert isinstance(app, wx.App)
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if app is not None:
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if app is not None:
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if current_gui() == GUI_WX:
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if current_gui() == GUI_WX:
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pass
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pass
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else:
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else:
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app.MainLoop()
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app.MainLoop()
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def appstart_tk(app):
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"""Start the tk event loop in a way that plays with IPython.
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When a tk app is run interactively in IPython, the event loop should
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not be started. This function checks to see if IPython's tk integration
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is activated and if so, it passes. If not, it will call the
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:meth:`mainloop` method of the tk object passed to this method.
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This function should be used by users who want their tk scripts to work
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both at the command line and in IPython. These users should put the
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following logic at the bottom on their script, after they create a
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:class:`Tk` instance (called ``app`` here)::
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try:
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from IPython.lib.inputhook import appstart_tk
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appstart_tk(app)
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except ImportError:
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app.mainloop()
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"""
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if app is not None:
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if current_gui() == GUI_TK:
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pass
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else:
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app.mainloop()
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def appstart_gtk():
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"""Start the gtk event loop in a way that plays with IPython.
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When a gtk app is run interactively in IPython, the event loop should
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not be started. This function checks to see if IPython's gtk integration
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is activated and if so, it passes. If not, it will call
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:func:`gtk.main`. Unlike the other appstart implementations, this does
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not take an ``app`` argument.
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This function should be used by users who want their gtk scripts to work
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both at the command line and in IPython. These users should put the
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following logic at the bottom on their script::
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try:
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from IPython.lib.inputhook import appstart_gtk
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appstart_gtk()
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except ImportError:
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gtk.main()
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"""
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import gtk
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if current_gui() == GUI_GTK:
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pass
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else:
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gtk.main()
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Main InputHookManager class
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# Main InputHookManager class
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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class InputHookManager(object):
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class InputHookManager(object):
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"""Manage PyOS_InputHook for different GUI toolkits.
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"""Manage PyOS_InputHook for different GUI toolkits.
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This class installs various hooks under ``PyOSInputHook`` to handle
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This class installs various hooks under ``PyOSInputHook`` to handle
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GUI event loop integration.
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GUI event loop integration.
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"""
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"""
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def __init__(self):
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def __init__(self):
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self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int)
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self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int)
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self._apps = {}
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self._apps = {}
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self._spinner_dict = {
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self._spinner_dict = {
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GUI_QT4 : self._spin_qt4,
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GUI_QT4 : self._spin_qt4,
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GUI_WX : self._spin_wx,
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GUI_WX : self._spin_wx,
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GUI_GTK : self._spin_gtk,
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GUI_GTK : self._spin_gtk,
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GUI_TK : self._spin_tk}
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GUI_TK : self._spin_tk}
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self._reset()
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self._reset()
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def _reset(self):
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def _reset(self):
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self._callback_pyfunctype = None
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self._callback_pyfunctype = None
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self._callback = None
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self._callback = None
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self._installed = False
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self._installed = False
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self._current_gui = None
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self._current_gui = None
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def _hijack_wx(self):
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def _hijack_wx(self):
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"""Hijack the wx mainloop so a user calling it won't cause badness.
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"""Hijack the wx mainloop so a user calling it won't cause badness.
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We are not currently using this as it breaks GUI code that calls a
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We are not currently using this as it breaks GUI code that calls a
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mainloop at anytime but startup.
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mainloop at anytime but startup.
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"""
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"""
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import wx
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import wx
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if hasattr(wx, '_core_'): core = getattr(wx, '_core_')
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if hasattr(wx, '_core_'): core = getattr(wx, '_core_')
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elif hasattr(wx, '_core'): core = getattr(wx, '_core')
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elif hasattr(wx, '_core'): core = getattr(wx, '_core')
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else: raise AttributeError('Could not find wx core module')
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else: raise AttributeError('Could not find wx core module')
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orig_mainloop = core.PyApp_MainLoop
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orig_mainloop = core.PyApp_MainLoop
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core.PyApp_MainLoop = _DummyMainloop
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core.PyApp_MainLoop = _DummyMainloop
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return orig_mainloop
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return orig_mainloop
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def _hijack_qt4(self):
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def _hijack_qt4(self):
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"""Hijack the qt4 mainloop so a user calling it won't cause badness.
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"""Hijack the qt4 mainloop so a user calling it won't cause badness.
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We are not currently using this as it breaks GUI code that calls a
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We are not currently using this as it breaks GUI code that calls a
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mainloop at anytime but startup.
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mainloop at anytime but startup.
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"""
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"""
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from PyQt4 import QtGui, QtCore
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from PyQt4 import QtGui, QtCore
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orig_mainloop = QtGui.qApp.exec_
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orig_mainloop = QtGui.qApp.exec_
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_QT4)
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_QT4)
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QtGui.qApp.exec_ = dumb_ml
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QtGui.qApp.exec_ = dumb_ml
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QtGui.QApplication.exec_ = dumb_ml
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QtGui.QApplication.exec_ = dumb_ml
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QtCore.QCoreApplication.exec_ = dumb_ml
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QtCore.QCoreApplication.exec_ = dumb_ml
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return orig_mainloop
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return orig_mainloop
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def _hijack_gtk(self):
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def _hijack_gtk(self):
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"""Hijack the gtk mainloop so a user calling it won't cause badness.
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"""Hijack the gtk mainloop so a user calling it won't cause badness.
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We are not currently using this as it breaks GUI code that calls a
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We are not currently using this as it breaks GUI code that calls a
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mainloop at anytime but startup.
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mainloop at anytime but startup.
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"""
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"""
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import gtk
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import gtk
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orig_mainloop = gtk.main
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orig_mainloop = gtk.main
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_GTK)
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_GTK)
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gtk.mainloop = dumb_ml
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gtk.mainloop = dumb_ml
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gtk.main = dumb_ml
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gtk.main = dumb_ml
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def _hijack_tk(self):
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def _hijack_tk(self):
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"""Hijack the tk mainloop so a user calling it won't cause badness.
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"""Hijack the tk mainloop so a user calling it won't cause badness.
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We are not currently using this as it breaks GUI code that calls a
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mainloop at anytime but startup.
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mainloop at anytime but startup.
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"""
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"""
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import Tkinter
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import Tkinter
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orig_mainloop = gtk.main
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orig_mainloop = gtk.main
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_TK)
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dumb_ml = _DummyMainloop(orig_mainloop, self, GUI_TK)
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Tkinter.Misc.mainloop = dumb_ml
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Tkinter.Misc.mainloop = dumb_ml
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Tkinter.mainloop = dumb_ml
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Tkinter.mainloop = dumb_ml
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def _spin_qt4(self):
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def _spin_qt4(self):
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"""Process all pending events in the qt4 event loop.
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"""Process all pending events in the qt4 event loop.
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This is for internal IPython use only and user code should not call this.
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This is for internal IPython use only and user code should not call this.
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Instead, they should issue the raw GUI calls themselves.
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Instead, they should issue the raw GUI calls themselves.
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"""
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"""
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from PyQt4 import QtCore, QtGui
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from PyQt4 import QtCore, QtGui
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app = QtCore.QCoreApplication.instance()
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app = QtCore.QCoreApplication.instance()
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if app is not None:
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if app is not None:
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QtCore.QCoreApplication.processEvents(QtCore.QEventLoop.AllEvents)
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QtCore.QCoreApplication.processEvents(QtCore.QEventLoop.AllEvents)
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def _spin_wx(self):
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def _spin_wx(self):
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"""Process all pending events in the wx event loop.
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"""Process all pending events in the wx event loop.
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This is for internal IPython use only and user code should not call this.
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This is for internal IPython use only and user code should not call this.
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Instead, they should issue the raw GUI calls themselves.
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Instead, they should issue the raw GUI calls themselves.
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"""
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"""
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import wx
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import wx
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app = wx.GetApp()
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app = wx.GetApp()
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if app is not None and wx.Thread_IsMain():
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if app is not None and wx.Thread_IsMain():
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evtloop = wx.EventLoop()
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evtloop = wx.EventLoop()
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ea = wx.EventLoopActivator(evtloop)
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ea = wx.EventLoopActivator(evtloop)
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while evtloop.Pending():
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while evtloop.Pending():
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evtloop.Dispatch()
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evtloop.Dispatch()
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app.ProcessIdle()
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app.ProcessIdle()
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del ea
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del ea
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|
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|
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def _spin_gtk(self):
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|
def _spin_gtk(self):
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"""Process all pending events in the gtk event loop.
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277
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"""Process all pending events in the gtk event loop.
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228
|
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278
|
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This is for internal IPython use only and user code should not call this.
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|
This is for internal IPython use only and user code should not call this.
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230
|
Instead, they should issue the raw GUI calls themselves.
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280
|
Instead, they should issue the raw GUI calls themselves.
|
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231
|
"""
|
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281
|
"""
|
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pass
|
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282
|
import gtk
|
|
|
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283
|
gtk.gdk.threads_enter()
|
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284
|
while gtk.events_pending():
|
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285
|
gtk.main_iteration(False)
|
|
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286
|
gtk.gdk.flush()
|
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287
|
gtk.gdk.threads_leave()
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233
|
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288
|
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234
|
def _spin_tk(self):
|
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289
|
def _spin_tk(self):
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235
|
"""Process all pending events in the tk event loop.
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|
290
|
"""Process all pending events in the tk event loop.
|
|
236
|
|
|
291
|
|
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237
|
This is for internal IPython use only and user code should not call this.
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|
292
|
This is for internal IPython use only and user code should not call this.
|
|
238
|
Instead, they should issue the raw GUI calls themselves.
|
|
293
|
Instead, they should issue the raw GUI calls themselves.
|
|
239
|
"""
|
|
294
|
"""
|
|
240
|
app = self._apps.get(GUI_TK)
|
|
295
|
app = self._apps.get(GUI_TK)
|
|
241
|
if app is not None:
|
|
296
|
if app is not None:
|
|
242
|
app.update()
|
|
297
|
app.update()
|
|
243
|
|
|
298
|
|
|
244
|
def spin(self):
|
|
299
|
def spin(self):
|
|
245
|
"""Process pending events in the current gui.
|
|
300
|
"""Process pending events in the current gui.
|
|
246
|
|
|
301
|
|
|
247
|
This method is just provided for IPython to use internally if needed
|
|
302
|
This method is just provided for IPython to use internally if needed
|
|
248
|
for things like testing. Third party projects should not call this
|
|
303
|
for things like testing. Third party projects should not call this
|
|
249
|
method, but instead should call the underlying GUI toolkit methods
|
|
304
|
method, but instead should call the underlying GUI toolkit methods
|
|
250
|
that we are calling.
|
|
305
|
that we are calling.
|
|
251
|
"""
|
|
306
|
"""
|
|
252
|
spinner = self._spinner_dict.get(self._current_gui, lambda: None)
|
|
307
|
spinner = self._spinner_dict.get(self._current_gui, lambda: None)
|
|
253
|
spinner()
|
|
308
|
spinner()
|
|
254
|
|
|
309
|
|
|
255
|
def get_pyos_inputhook(self):
|
|
310
|
def get_pyos_inputhook(self):
|
|
256
|
"""Return the current PyOS_InputHook as a ctypes.c_void_p."""
|
|
311
|
"""Return the current PyOS_InputHook as a ctypes.c_void_p."""
|
|
257
|
return ctypes.c_void_p.in_dll(ctypes.pythonapi,"PyOS_InputHook")
|
|
312
|
return ctypes.c_void_p.in_dll(ctypes.pythonapi,"PyOS_InputHook")
|
|
258
|
|
|
313
|
|
|
259
|
def get_pyos_inputhook_as_func(self):
|
|
314
|
def get_pyos_inputhook_as_func(self):
|
|
260
|
"""Return the current PyOS_InputHook as a ctypes.PYFUNCYPE."""
|
|
315
|
"""Return the current PyOS_InputHook as a ctypes.PYFUNCYPE."""
|
|
261
|
return self.PYFUNC.in_dll(ctypes.pythonapi,"PyOS_InputHook")
|
|
316
|
return self.PYFUNC.in_dll(ctypes.pythonapi,"PyOS_InputHook")
|
|
262
|
|
|
317
|
|
|
263
|
def set_inputhook(self, callback):
|
|
318
|
def set_inputhook(self, callback):
|
|
264
|
"""Set PyOS_InputHook to callback and return the previous one."""
|
|
319
|
"""Set PyOS_InputHook to callback and return the previous one."""
|
|
265
|
self._callback = callback
|
|
320
|
self._callback = callback
|
|
266
|
self._callback_pyfunctype = self.PYFUNC(callback)
|
|
321
|
self._callback_pyfunctype = self.PYFUNC(callback)
|
|
267
|
pyos_inputhook_ptr = self.get_pyos_inputhook()
|
|
322
|
pyos_inputhook_ptr = self.get_pyos_inputhook()
|
|
268
|
original = self.get_pyos_inputhook_as_func()
|
|
323
|
original = self.get_pyos_inputhook_as_func()
|
|
269
|
pyos_inputhook_ptr.value = \
|
|
324
|
pyos_inputhook_ptr.value = \
|
|
270
|
ctypes.cast(self._callback_pyfunctype, ctypes.c_void_p).value
|
|
325
|
ctypes.cast(self._callback_pyfunctype, ctypes.c_void_p).value
|
|
271
|
self._installed = True
|
|
326
|
self._installed = True
|
|
272
|
return original
|
|
327
|
return original
|
|
273
|
|
|
328
|
|
|
274
|
def clear_inputhook(self):
|
|
329
|
def clear_inputhook(self):
|
|
275
|
"""Set PyOS_InputHook to NULL and return the previous one."""
|
|
330
|
"""Set PyOS_InputHook to NULL and return the previous one."""
|
|
276
|
pyos_inputhook_ptr = self.get_pyos_inputhook()
|
|
331
|
pyos_inputhook_ptr = self.get_pyos_inputhook()
|
|
277
|
original = self.get_pyos_inputhook_as_func()
|
|
332
|
original = self.get_pyos_inputhook_as_func()
|
|
278
|
pyos_inputhook_ptr.value = ctypes.c_void_p(None).value
|
|
333
|
pyos_inputhook_ptr.value = ctypes.c_void_p(None).value
|
|
279
|
self._reset()
|
|
334
|
self._reset()
|
|
280
|
return original
|
|
335
|
return original
|
|
281
|
|
|
336
|
|
|
282
|
def clear_app_refs(self, gui=None):
|
|
337
|
def clear_app_refs(self, gui=None):
|
|
283
|
"""Clear IPython's internal reference to an application instance.
|
|
338
|
"""Clear IPython's internal reference to an application instance.
|
|
284
|
|
|
339
|
|
|
285
|
Whenever we create an app for a user on qt4 or wx, we hold a
|
|
340
|
Whenever we create an app for a user on qt4 or wx, we hold a
|
|
286
|
reference to the app. This is needed because in some cases bad things
|
|
341
|
reference to the app. This is needed because in some cases bad things
|
|
287
|
can happen if a user doesn't hold a reference themselves. This
|
|
342
|
can happen if a user doesn't hold a reference themselves. This
|
|
288
|
method is provided to clear the references we are holding.
|
|
343
|
method is provided to clear the references we are holding.
|
|
289
|
|
|
344
|
|
|
290
|
Parameters
|
|
345
|
Parameters
|
|
291
|
----------
|
|
346
|
----------
|
|
292
|
gui : None or str
|
|
347
|
gui : None or str
|
|
293
|
If None, clear all app references. If ('wx', 'qt4') clear
|
|
348
|
If None, clear all app references. If ('wx', 'qt4') clear
|
|
294
|
the app for that toolkit. References are not held for gtk or tk
|
|
349
|
the app for that toolkit. References are not held for gtk or tk
|
|
295
|
as those toolkits don't have the notion of an app.
|
|
350
|
as those toolkits don't have the notion of an app.
|
|
296
|
"""
|
|
351
|
"""
|
|
297
|
if gui is None:
|
|
352
|
if gui is None:
|
|
298
|
self._apps = {}
|
|
353
|
self._apps = {}
|
|
299
|
elif self._apps.has_key(gui):
|
|
354
|
elif self._apps.has_key(gui):
|
|
300
|
del self._apps[gui]
|
|
355
|
del self._apps[gui]
|
|
301
|
|
|
356
|
|
|
302
|
def enable_wx(self, app=False):
|
|
357
|
def enable_wx(self, app=False):
|
|
303
|
"""Enable event loop integration with wxPython.
|
|
358
|
"""Enable event loop integration with wxPython.
|
|
304
|
|
|
359
|
|
|
305
|
Parameters
|
|
360
|
Parameters
|
|
306
|
----------
|
|
361
|
----------
|
|
307
|
app : bool
|
|
362
|
app : bool
|
|
308
|
Create a running application object or not.
|
|
363
|
Create a running application object or not.
|
|
309
|
|
|
364
|
|
|
310
|
Notes
|
|
365
|
Notes
|
|
311
|
-----
|
|
366
|
-----
|
|
312
|
This methods sets the ``PyOS_InputHook`` for wxPython, which allows
|
|
367
|
This methods sets the ``PyOS_InputHook`` for wxPython, which allows
|
|
313
|
the wxPython to integrate with terminal based applications like
|
|
368
|
the wxPython to integrate with terminal based applications like
|
|
314
|
IPython.
|
|
369
|
IPython.
|
|
315
|
|
|
370
|
|
|
316
|
If ``app`` is True, we create an :class:`wx.App` as follows::
|
|
371
|
If ``app`` is True, we create an :class:`wx.App` as follows::
|
|
317
|
|
|
372
|
|
|
318
|
import wx
|
|
373
|
import wx
|
|
319
|
app = wx.App(redirect=False, clearSigInt=False)
|
|
374
|
app = wx.App(redirect=False, clearSigInt=False)
|
|
320
|
|
|
375
|
|
|
321
|
Both options this constructor are important for things to work
|
|
376
|
Both options this constructor are important for things to work
|
|
322
|
properly in an interactive context.
|
|
377
|
properly in an interactive context.
|
|
323
|
|
|
378
|
|
|
324
|
But, we first check to see if an application has already been
|
|
379
|
But, we first check to see if an application has already been
|
|
325
|
created. If so, we simply return that instance.
|
|
380
|
created. If so, we simply return that instance.
|
|
326
|
"""
|
|
381
|
"""
|
|
327
|
from IPython.lib.inputhookwx import inputhook_wx
|
|
382
|
from IPython.lib.inputhookwx import inputhook_wx
|
|
328
|
self.set_inputhook(inputhook_wx)
|
|
383
|
self.set_inputhook(inputhook_wx)
|
|
329
|
self._current_gui = GUI_WX
|
|
384
|
self._current_gui = GUI_WX
|
|
330
|
if app:
|
|
385
|
if app:
|
|
331
|
import wx
|
|
386
|
import wx
|
|
332
|
app = wx.GetApp()
|
|
387
|
app = wx.GetApp()
|
|
333
|
if app is None:
|
|
388
|
if app is None:
|
|
334
|
app = wx.App(redirect=False, clearSigInt=False)
|
|
389
|
app = wx.App(redirect=False, clearSigInt=False)
|
|
335
|
self._apps[GUI_WX] = app
|
|
390
|
self._apps[GUI_WX] = app
|
|
336
|
return app
|
|
391
|
return app
|
|
337
|
|
|
392
|
|
|
338
|
def disable_wx(self):
|
|
393
|
def disable_wx(self):
|
|
339
|
"""Disable event loop integration with wxPython.
|
|
394
|
"""Disable event loop integration with wxPython.
|
|
340
|
|
|
395
|
|
|
341
|
This merely sets PyOS_InputHook to NULL.
|
|
396
|
This merely sets PyOS_InputHook to NULL.
|
|
342
|
"""
|
|
397
|
"""
|
|
343
|
self.clear_inputhook()
|
|
398
|
self.clear_inputhook()
|
|
344
|
|
|
399
|
|
|
345
|
def enable_qt4(self, app=False):
|
|
400
|
def enable_qt4(self, app=False):
|
|
346
|
"""Enable event loop integration with PyQt4.
|
|
401
|
"""Enable event loop integration with PyQt4.
|
|
347
|
|
|
402
|
|
|
348
|
Parameters
|
|
403
|
Parameters
|
|
349
|
----------
|
|
404
|
----------
|
|
350
|
app : bool
|
|
405
|
app : bool
|
|
351
|
Create a running application object or not.
|
|
406
|
Create a running application object or not.
|
|
352
|
|
|
407
|
|
|
353
|
Notes
|
|
408
|
Notes
|
|
354
|
-----
|
|
409
|
-----
|
|
355
|
This methods sets the PyOS_InputHook for PyQt4, which allows
|
|
410
|
This methods sets the PyOS_InputHook for PyQt4, which allows
|
|
356
|
the PyQt4 to integrate with terminal based applications like
|
|
411
|
the PyQt4 to integrate with terminal based applications like
|
|
357
|
IPython.
|
|
412
|
IPython.
|
|
358
|
|
|
413
|
|
|
359
|
If ``app`` is True, we create an :class:`QApplication` as follows::
|
|
414
|
If ``app`` is True, we create an :class:`QApplication` as follows::
|
|
360
|
|
|
415
|
|
|
361
|
from PyQt4 import QtCore
|
|
416
|
from PyQt4 import QtCore
|
|
362
|
app = QtGui.QApplication(sys.argv)
|
|
417
|
app = QtGui.QApplication(sys.argv)
|
|
363
|
|
|
418
|
|
|
364
|
But, we first check to see if an application has already been
|
|
419
|
But, we first check to see if an application has already been
|
|
365
|
created. If so, we simply return that instance.
|
|
420
|
created. If so, we simply return that instance.
|
|
366
|
"""
|
|
421
|
"""
|
|
367
|
from PyQt4 import QtCore
|
|
422
|
from PyQt4 import QtCore
|
|
368
|
# PyQt4 has had this since 4.3.1. In version 4.2, PyOS_InputHook
|
|
423
|
# PyQt4 has had this since 4.3.1. In version 4.2, PyOS_InputHook
|
|
369
|
# was set when QtCore was imported, but if it ever got removed,
|
|
424
|
# was set when QtCore was imported, but if it ever got removed,
|
|
370
|
# you couldn't reset it. For earlier versions we can
|
|
425
|
# you couldn't reset it. For earlier versions we can
|
|
371
|
# probably implement a ctypes version.
|
|
426
|
# probably implement a ctypes version.
|
|
372
|
try:
|
|
427
|
try:
|
|
373
|
QtCore.pyqtRestoreInputHook()
|
|
428
|
QtCore.pyqtRestoreInputHook()
|
|
374
|
except AttributeError:
|
|
429
|
except AttributeError:
|
|
375
|
pass
|
|
430
|
pass
|
|
376
|
self._current_gui = GUI_QT4
|
|
431
|
self._current_gui = GUI_QT4
|
|
377
|
if app:
|
|
432
|
if app:
|
|
378
|
from PyQt4 import QtGui
|
|
433
|
from PyQt4 import QtGui
|
|
379
|
app = QtCore.QCoreApplication.instance()
|
|
434
|
app = QtCore.QCoreApplication.instance()
|
|
380
|
if app is None:
|
|
435
|
if app is None:
|
|
381
|
app = QtGui.QApplication(sys.argv)
|
|
436
|
app = QtGui.QApplication(sys.argv)
|
|
382
|
self._apps[GUI_QT4] = app
|
|
437
|
self._apps[GUI_QT4] = app
|
|
383
|
return app
|
|
438
|
return app
|
|
384
|
|
|
439
|
|
|
385
|
def disable_qt4(self):
|
|
440
|
def disable_qt4(self):
|
|
386
|
"""Disable event loop integration with PyQt4.
|
|
441
|
"""Disable event loop integration with PyQt4.
|
|
387
|
|
|
442
|
|
|
388
|
This merely sets PyOS_InputHook to NULL.
|
|
443
|
This merely sets PyOS_InputHook to NULL.
|
|
389
|
"""
|
|
444
|
"""
|
|
390
|
self.clear_inputhook()
|
|
445
|
self.clear_inputhook()
|
|
391
|
|
|
446
|
|
|
392
|
def enable_gtk(self, app=False):
|
|
447
|
def enable_gtk(self, app=False):
|
|
393
|
"""Enable event loop integration with PyGTK.
|
|
448
|
"""Enable event loop integration with PyGTK.
|
|
394
|
|
|
449
|
|
|
395
|
Parameters
|
|
450
|
Parameters
|
|
396
|
----------
|
|
451
|
----------
|
|
397
|
app : bool
|
|
452
|
app : bool
|
|
398
|
Create a running application object or not. Because gtk does't
|
|
453
|
Create a running application object or not. Because gtk does't
|
|
399
|
have an app class, this does nothing.
|
|
454
|
have an app class, this does nothing.
|
|
400
|
|
|
455
|
|
|
401
|
Notes
|
|
456
|
Notes
|
|
402
|
-----
|
|
457
|
-----
|
|
403
|
This methods sets the PyOS_InputHook for PyGTK, which allows
|
|
458
|
This methods sets the PyOS_InputHook for PyGTK, which allows
|
|
404
|
the PyGTK to integrate with terminal based applications like
|
|
459
|
the PyGTK to integrate with terminal based applications like
|
|
405
|
IPython.
|
|
460
|
IPython.
|
|
406
|
"""
|
|
461
|
"""
|
|
407
|
import gtk
|
|
462
|
import gtk
|
|
408
|
try:
|
|
463
|
try:
|
|
409
|
gtk.set_interactive(True)
|
|
464
|
gtk.set_interactive(True)
|
|
410
|
self._current_gui = GUI_GTK
|
|
465
|
self._current_gui = GUI_GTK
|
|
411
|
except AttributeError:
|
|
466
|
except AttributeError:
|
|
412
|
# For older versions of gtk, use our own ctypes version
|
|
467
|
# For older versions of gtk, use our own ctypes version
|
|
413
|
from IPython.lib.inputhookgtk import inputhook_gtk
|
|
468
|
from IPython.lib.inputhookgtk import inputhook_gtk
|
|
414
|
self.set_inputhook(inputhook_gtk)
|
|
469
|
self.set_inputhook(inputhook_gtk)
|
|
415
|
self._current_gui = GUI_GTK
|
|
470
|
self._current_gui = GUI_GTK
|
|
416
|
|
|
471
|
|
|
417
|
def disable_gtk(self):
|
|
472
|
def disable_gtk(self):
|
|
418
|
"""Disable event loop integration with PyGTK.
|
|
473
|
"""Disable event loop integration with PyGTK.
|
|
419
|
|
|
474
|
|
|
420
|
This merely sets PyOS_InputHook to NULL.
|
|
475
|
This merely sets PyOS_InputHook to NULL.
|
|
421
|
"""
|
|
476
|
"""
|
|
422
|
self.clear_inputhook()
|
|
477
|
self.clear_inputhook()
|
|
423
|
|
|
478
|
|
|
424
|
def enable_tk(self, app=False):
|
|
479
|
def enable_tk(self, app=False):
|
|
425
|
"""Enable event loop integration with Tk.
|
|
480
|
"""Enable event loop integration with Tk.
|
|
426
|
|
|
481
|
|
|
427
|
Parameters
|
|
482
|
Parameters
|
|
428
|
----------
|
|
483
|
----------
|
|
429
|
app : bool
|
|
484
|
app : bool
|
|
430
|
Create a running application object or not.
|
|
485
|
Create a running application object or not.
|
|
431
|
|
|
486
|
|
|
432
|
Notes
|
|
487
|
Notes
|
|
433
|
-----
|
|
488
|
-----
|
|
434
|
Currently this is a no-op as creating a :class:`Tkinter.Tk` object
|
|
489
|
Currently this is a no-op as creating a :class:`Tkinter.Tk` object
|
|
435
|
sets ``PyOS_InputHook``.
|
|
490
|
sets ``PyOS_InputHook``.
|
|
436
|
"""
|
|
491
|
"""
|
|
437
|
self._current_gui = GUI_TK
|
|
492
|
self._current_gui = GUI_TK
|
|
438
|
if app:
|
|
493
|
if app:
|
|
439
|
import Tkinter
|
|
494
|
import Tkinter
|
|
440
|
app = Tkinter.Tk()
|
|
495
|
app = Tkinter.Tk()
|
|
441
|
app.withdraw()
|
|
496
|
app.withdraw()
|
|
442
|
self._apps[GUI_TK] = app
|
|
497
|
self._apps[GUI_TK] = app
|
|
443
|
return app
|
|
498
|
return app
|
|
444
|
|
|
499
|
|
|
445
|
def disable_tk(self):
|
|
500
|
def disable_tk(self):
|
|
446
|
"""Disable event loop integration with Tkinter.
|
|
501
|
"""Disable event loop integration with Tkinter.
|
|
447
|
|
|
502
|
|
|
448
|
This merely sets PyOS_InputHook to NULL.
|
|
503
|
This merely sets PyOS_InputHook to NULL.
|
|
449
|
"""
|
|
504
|
"""
|
|
450
|
self.clear_inputhook()
|
|
505
|
self.clear_inputhook()
|
|
451
|
|
|
506
|
|
|
452
|
def current_gui(self):
|
|
507
|
def current_gui(self):
|
|
453
|
"""Return a string indicating the currently active GUI or None."""
|
|
508
|
"""Return a string indicating the currently active GUI or None."""
|
|
454
|
return self._current_gui
|
|
509
|
return self._current_gui
|
|
455
|
|
|
510
|
|
|
456
|
inputhook_manager = InputHookManager()
|
|
511
|
inputhook_manager = InputHookManager()
|
|
457
|
|
|
512
|
|
|
458
|
enable_wx = inputhook_manager.enable_wx
|
|
513
|
enable_wx = inputhook_manager.enable_wx
|
|
459
|
disable_wx = inputhook_manager.disable_wx
|
|
514
|
disable_wx = inputhook_manager.disable_wx
|
|
460
|
enable_qt4 = inputhook_manager.enable_qt4
|
|
515
|
enable_qt4 = inputhook_manager.enable_qt4
|
|
461
|
disable_qt4 = inputhook_manager.disable_qt4
|
|
516
|
disable_qt4 = inputhook_manager.disable_qt4
|
|
462
|
enable_gtk = inputhook_manager.enable_gtk
|
|
517
|
enable_gtk = inputhook_manager.enable_gtk
|
|
463
|
disable_gtk = inputhook_manager.disable_gtk
|
|
518
|
disable_gtk = inputhook_manager.disable_gtk
|
|
464
|
enable_tk = inputhook_manager.enable_tk
|
|
519
|
enable_tk = inputhook_manager.enable_tk
|
|
465
|
disable_tk = inputhook_manager.disable_tk
|
|
520
|
disable_tk = inputhook_manager.disable_tk
|
|
466
|
clear_inputhook = inputhook_manager.clear_inputhook
|
|
521
|
clear_inputhook = inputhook_manager.clear_inputhook
|
|
467
|
set_inputhook = inputhook_manager.set_inputhook
|
|
522
|
set_inputhook = inputhook_manager.set_inputhook
|
|
468
|
current_gui = inputhook_manager.current_gui
|
|
523
|
current_gui = inputhook_manager.current_gui
|
|
469
|
clear_app_refs = inputhook_manager.clear_app_refs
|
|
524
|
clear_app_refs = inputhook_manager.clear_app_refs
|
|
470
|
spin = inputhook_manager.spin
|
|
525
|
spin = inputhook_manager.spin
|