Show More
@@ -0,0 +1,57 b'' | |||||
|
1 | """Test the new %gui command. Run this in ipython as | |||
|
2 | ||||
|
3 | %run switchgui [backend] | |||
|
4 | ||||
|
5 | where the optional backend can be one of: qt4, gtk, tk, wx. | |||
|
6 | """ | |||
|
7 | ||||
|
8 | import sys | |||
|
9 | import time | |||
|
10 | ||||
|
11 | import IPython.core.ipapi as ipapi | |||
|
12 | ip = ipapi.get() | |||
|
13 | ||||
|
14 | from IPython.lib import inputhook | |||
|
15 | ||||
|
16 | try: | |||
|
17 | backend = sys.argv[1] | |||
|
18 | #a = ip.magic('gui -a %s' % backend) | |||
|
19 | #a = ip.magic('gui %s' % backend) | |||
|
20 | except IndexError: | |||
|
21 | backend = 'qt' | |||
|
22 | ||||
|
23 | backends = dict(wx='wxagg', qt='qt4agg', gtk='gtkagg', tk='tkagg') | |||
|
24 | ||||
|
25 | import matplotlib | |||
|
26 | matplotlib.use(backends[backend]) | |||
|
27 | #matplotlib.interactive(True) | |||
|
28 | ||||
|
29 | import matplotlib | |||
|
30 | from matplotlib import pyplot as plt, mlab, pylab | |||
|
31 | import numpy as np | |||
|
32 | ||||
|
33 | from numpy import * | |||
|
34 | from matplotlib.pyplot import * | |||
|
35 | ||||
|
36 | x = np.linspace(0,pi,100) | |||
|
37 | ||||
|
38 | print "A plot has been created" | |||
|
39 | line, = plot(x,sin(2*x)) | |||
|
40 | plt.show() | |||
|
41 | inputhook.spin_qt4() | |||
|
42 | ||||
|
43 | #raw_input("Press Enter to continue") | |||
|
44 | ||||
|
45 | print "I will now count until 10, please hit Ctrl-C before I'm done..." | |||
|
46 | print "IPython should stop counting and return to the prompt without crashing." | |||
|
47 | ||||
|
48 | line_x = line.get_data()[0] | |||
|
49 | for i in range(1,51): | |||
|
50 | print i, | |||
|
51 | sys.stdout.flush() | |||
|
52 | line.set_data(line_x,sin(x*i)) | |||
|
53 | plt.title('i=%d' % i) | |||
|
54 | #plt.show() | |||
|
55 | plt.draw() | |||
|
56 | inputhook.spin_qt4() | |||
|
57 | #time.sleep(0.04) |
@@ -1,333 +1,352 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | # encoding: utf-8 |
|
2 | # encoding: utf-8 | |
3 | """ |
|
3 | """ | |
4 | Inputhook management for GUI event loop integration. |
|
4 | Inputhook management for GUI event loop integration. | |
5 | """ |
|
5 | """ | |
6 |
|
6 | |||
7 | #----------------------------------------------------------------------------- |
|
7 | #----------------------------------------------------------------------------- | |
8 | # Copyright (C) 2008-2009 The IPython Development Team |
|
8 | # Copyright (C) 2008-2009 The IPython Development Team | |
9 | # |
|
9 | # | |
10 | # Distributed under the terms of the BSD License. The full license is in |
|
10 | # Distributed under the terms of the BSD License. The full license is in | |
11 | # the file COPYING, distributed as part of this software. |
|
11 | # the file COPYING, distributed as part of this software. | |
12 | #----------------------------------------------------------------------------- |
|
12 | #----------------------------------------------------------------------------- | |
13 |
|
13 | |||
14 | #----------------------------------------------------------------------------- |
|
14 | #----------------------------------------------------------------------------- | |
15 | # Imports |
|
15 | # Imports | |
16 | #----------------------------------------------------------------------------- |
|
16 | #----------------------------------------------------------------------------- | |
17 |
|
17 | |||
18 | import ctypes |
|
18 | import ctypes | |
19 | import sys |
|
19 | import sys | |
20 |
|
20 | |||
21 | #----------------------------------------------------------------------------- |
|
21 | #----------------------------------------------------------------------------- | |
22 | # Code |
|
22 | # Code | |
23 | #----------------------------------------------------------------------------- |
|
23 | #----------------------------------------------------------------------------- | |
24 |
|
24 | |||
|
25 | def appstart_qt4(): | |||
|
26 | from PyQt4 import QtCore, QtGui | |||
|
27 | ||||
|
28 | app = QtCore.QCoreApplication.instance() | |||
|
29 | print 'qtapp:', app | |||
|
30 | if app is not None: | |||
|
31 | if current_gui() == 'qt4': | |||
|
32 | pass | |||
|
33 | else: | |||
|
34 | app.exec_() | |||
|
35 | ||||
|
36 | ||||
25 | class _DummyMainloop(object): |
|
37 | class _DummyMainloop(object): | |
26 | """A special manager to hijack GUI mainloops that is mostly a no-op. |
|
38 | """A special manager to hijack GUI mainloops that is mostly a no-op. | |
27 |
|
39 | |||
28 | This does have, however, special logic. |
|
40 | This does have, however, special logic. | |
29 | """ |
|
41 | """ | |
30 | def __init__(self, ml, ihm, gui_type): |
|
42 | def __init__(self, ml, ihm, gui_type): | |
31 | self.ml = ml |
|
43 | self.ml = ml | |
32 | self.ihm = ihm |
|
44 | self.ihm = ihm | |
33 | self.gui_type = gui_type |
|
45 | self.gui_type = gui_type | |
34 |
|
46 | |||
35 |
|
47 | |||
36 | def __call__(self, *args, **kw): |
|
48 | def __call__(self, *args, **kw): | |
|
49 | force = kw.pop('force', False) | |||
|
50 | force = False | |||
|
51 | if force: | |||
|
52 | #print 'forced spin' # dbg | |||
|
53 | self.ml(*args, **kw) | |||
|
54 | ||||
37 | if self.ihm.current_gui() == self.gui_type: |
|
55 | if self.ihm.current_gui() == self.gui_type: | |
38 | pass |
|
56 | pass | |
39 | else: |
|
57 | else: | |
40 | self.ml(*args, **kw) |
|
58 | self.ml(*args, **kw) | |
41 |
|
59 | |||
42 |
|
60 | |||
43 | def spin_qt4(): |
|
61 | def spin_qt4(): | |
44 | from PyQt4 import QtCore, QtGui |
|
62 | from PyQt4 import QtCore, QtGui | |
45 |
|
63 | |||
46 | app = QtCore.QCoreApplication.instance() |
|
64 | app = QtCore.QCoreApplication.instance() | |
47 | if (app is not None) and (app.thread() == QtCore.QThread.currentThread()): |
|
65 | if (app is not None) and (app.thread() == QtCore.QThread.currentThread()): | |
48 | timer = QtCore.QTimer() |
|
66 | ## timer = QtCore.QTimer() | |
49 | QtCore.QObject.connect(timer, |
|
67 | ## QtCore.QObject.connect(timer, | |
50 | QtCore.SIGNAL('timeout()'), |
|
68 | ## QtCore.SIGNAL('timeout()'), | |
51 | app, |
|
69 | ## app, | |
52 | QtCore.SLOT('quit()')) |
|
70 | ## QtCore.SLOT('quit()')) | |
53 | timer.start(100) |
|
71 | ## timer.start(100) | |
54 | QtCore.QCoreApplication.exec_() |
|
72 | #QtCore.QCoreApplication.exec_(force=True) | |
55 | timer.stop() |
|
73 | QtCore.QCoreApplication.processEvents(QtCore.QEventLoop.AllEvents) | |
|
74 | ##timer.stop() | |||
56 |
|
75 | |||
57 |
|
76 | |||
58 | def spin_wx(): |
|
77 | def spin_wx(): | |
59 | app = wx.GetApp() |
|
78 | app = wx.GetApp() | |
60 | if app is not None and wx.Thread_IsMain(): |
|
79 | if app is not None and wx.Thread_IsMain(): | |
61 | evtloop = wx.EventLoop() |
|
80 | evtloop = wx.EventLoop() | |
62 | ea = wx.EventLoopActivator(evtloop) |
|
81 | ea = wx.EventLoopActivator(evtloop) | |
63 | while evtloop.Pending(): |
|
82 | while evtloop.Pending(): | |
64 | evtloop.Dispatch() |
|
83 | evtloop.Dispatch() | |
65 | app.ProcessIdle() |
|
84 | app.ProcessIdle() | |
66 | del ea |
|
85 | del ea | |
67 |
|
86 | |||
68 |
|
87 | |||
69 | class InputHookManager(object): |
|
88 | class InputHookManager(object): | |
70 | """Manage PyOS_InputHook for different GUI toolkits. |
|
89 | """Manage PyOS_InputHook for different GUI toolkits. | |
71 |
|
90 | |||
72 | This class installs various hooks under ``PyOSInputHook`` to handle |
|
91 | This class installs various hooks under ``PyOSInputHook`` to handle | |
73 | GUI event loop integration. |
|
92 | GUI event loop integration. | |
74 | """ |
|
93 | """ | |
75 |
|
94 | |||
76 | def __init__(self): |
|
95 | def __init__(self): | |
77 | self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int) |
|
96 | self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int) | |
78 | self._apps = {} |
|
97 | self._apps = {} | |
79 | self._reset() |
|
98 | self._reset() | |
80 |
|
99 | |||
81 | def _reset(self): |
|
100 | def _reset(self): | |
82 | self._callback_pyfunctype = None |
|
101 | self._callback_pyfunctype = None | |
83 | self._callback = None |
|
102 | self._callback = None | |
84 | self._installed = False |
|
103 | self._installed = False | |
85 | self._current_gui = None |
|
104 | self._current_gui = None | |
86 |
|
105 | |||
87 | def _hijack_wx(self): |
|
106 | def _hijack_wx(self): | |
88 | """Hijack the wx mainloop so a user calling it won't cause badness.""" |
|
107 | """Hijack the wx mainloop so a user calling it won't cause badness.""" | |
89 | import wx |
|
108 | import wx | |
90 | if hasattr(wx, '_core_'): core = getattr(wx, '_core_') |
|
109 | if hasattr(wx, '_core_'): core = getattr(wx, '_core_') | |
91 | elif hasattr(wx, '_core'): core = getattr(wx, '_core') |
|
110 | elif hasattr(wx, '_core'): core = getattr(wx, '_core') | |
92 | else: raise AttributeError('Could not find wx core module') |
|
111 | else: raise AttributeError('Could not find wx core module') | |
93 | orig_mainloop = core.PyApp_MainLoop |
|
112 | orig_mainloop = core.PyApp_MainLoop | |
94 | core.PyApp_MainLoop = _DummyMainloop |
|
113 | core.PyApp_MainLoop = _DummyMainloop | |
95 | return orig_mainloop |
|
114 | return orig_mainloop | |
96 |
|
115 | |||
97 | def _hijack_qt4(self): |
|
116 | def _hijack_qt4(self): | |
98 | """Hijack the qt4 mainloop so a user calling it won't cause badness.""" |
|
117 | """Hijack the qt4 mainloop so a user calling it won't cause badness.""" | |
99 | from PyQt4 import QtGui, QtCore |
|
118 | from PyQt4 import QtGui, QtCore | |
100 | orig_mainloop = QtGui.qApp.exec_ |
|
119 | orig_mainloop = QtGui.qApp.exec_ | |
101 | dumb_ml = _DummyMainloop(orig_mainloop, self, 'qt4') |
|
120 | dumb_ml = _DummyMainloop(orig_mainloop, self, 'qt4') | |
102 | QtGui.qApp.exec_ = dumb_ml |
|
121 | QtGui.qApp.exec_ = dumb_ml | |
103 | QtGui.QApplication.exec_ = dumb_ml |
|
122 | QtGui.QApplication.exec_ = dumb_ml | |
104 | QtCore.QCoreApplication.exec_ = dumb_ml |
|
123 | QtCore.QCoreApplication.exec_ = dumb_ml | |
105 | return orig_mainloop |
|
124 | return orig_mainloop | |
106 |
|
125 | |||
107 | def _hijack_gtk(self): |
|
126 | def _hijack_gtk(self): | |
108 | """Hijack the gtk mainloop so a user calling it won't cause badness.""" |
|
127 | """Hijack the gtk mainloop so a user calling it won't cause badness.""" | |
109 | import gtk |
|
128 | import gtk | |
110 | orig_mainloop = gtk.main |
|
129 | orig_mainloop = gtk.main | |
111 | gtk.mainloop = _DummyMainloop |
|
130 | gtk.mainloop = _DummyMainloop | |
112 | gtk.main = _DummyMainloop |
|
131 | gtk.main = _DummyMainloop | |
113 | return orig_mainloop |
|
132 | return orig_mainloop | |
114 |
|
133 | |||
115 | def _hijack_tk(self): |
|
134 | def _hijack_tk(self): | |
116 | """Hijack the tk mainloop so a user calling it won't cause badness.""" |
|
135 | """Hijack the tk mainloop so a user calling it won't cause badness.""" | |
117 | import Tkinter |
|
136 | import Tkinter | |
118 | Tkinter.Misc.mainloop = _DummyMainloop |
|
137 | Tkinter.Misc.mainloop = _DummyMainloop | |
119 | Tkinter.mainloop = _DummyMainloop |
|
138 | Tkinter.mainloop = _DummyMainloop | |
120 |
|
139 | |||
121 | def get_pyos_inputhook(self): |
|
140 | def get_pyos_inputhook(self): | |
122 | """Return the current PyOS_InputHook as a ctypes.c_void_p.""" |
|
141 | """Return the current PyOS_InputHook as a ctypes.c_void_p.""" | |
123 | return ctypes.c_void_p.in_dll(ctypes.pythonapi,"PyOS_InputHook") |
|
142 | return ctypes.c_void_p.in_dll(ctypes.pythonapi,"PyOS_InputHook") | |
124 |
|
143 | |||
125 | def get_pyos_inputhook_as_func(self): |
|
144 | def get_pyos_inputhook_as_func(self): | |
126 | """Return the current PyOS_InputHook as a ctypes.PYFUNCYPE.""" |
|
145 | """Return the current PyOS_InputHook as a ctypes.PYFUNCYPE.""" | |
127 | return self.PYFUNC.in_dll(ctypes.pythonapi,"PyOS_InputHook") |
|
146 | return self.PYFUNC.in_dll(ctypes.pythonapi,"PyOS_InputHook") | |
128 |
|
147 | |||
129 | def set_inputhook(self, callback): |
|
148 | def set_inputhook(self, callback): | |
130 | """Set PyOS_InputHook to callback and return the previous one.""" |
|
149 | """Set PyOS_InputHook to callback and return the previous one.""" | |
131 | self._callback = callback |
|
150 | self._callback = callback | |
132 | self._callback_pyfunctype = self.PYFUNC(callback) |
|
151 | self._callback_pyfunctype = self.PYFUNC(callback) | |
133 | pyos_inputhook_ptr = self.get_pyos_inputhook() |
|
152 | pyos_inputhook_ptr = self.get_pyos_inputhook() | |
134 | original = self.get_pyos_inputhook_as_func() |
|
153 | original = self.get_pyos_inputhook_as_func() | |
135 | pyos_inputhook_ptr.value = \ |
|
154 | pyos_inputhook_ptr.value = \ | |
136 | ctypes.cast(self._callback_pyfunctype, ctypes.c_void_p).value |
|
155 | ctypes.cast(self._callback_pyfunctype, ctypes.c_void_p).value | |
137 | self._installed = True |
|
156 | self._installed = True | |
138 | return original |
|
157 | return original | |
139 |
|
158 | |||
140 | def clear_inputhook(self): |
|
159 | def clear_inputhook(self): | |
141 | """Set PyOS_InputHook to NULL and return the previous one.""" |
|
160 | """Set PyOS_InputHook to NULL and return the previous one.""" | |
142 | pyos_inputhook_ptr = self.get_pyos_inputhook() |
|
161 | pyos_inputhook_ptr = self.get_pyos_inputhook() | |
143 | original = self.get_pyos_inputhook_as_func() |
|
162 | original = self.get_pyos_inputhook_as_func() | |
144 | pyos_inputhook_ptr.value = ctypes.c_void_p(None).value |
|
163 | pyos_inputhook_ptr.value = ctypes.c_void_p(None).value | |
145 | self._reset() |
|
164 | self._reset() | |
146 | return original |
|
165 | return original | |
147 |
|
166 | |||
148 | def clear_app_refs(self, gui=None): |
|
167 | def clear_app_refs(self, gui=None): | |
149 | """Clear IPython's internal reference to an application instance. |
|
168 | """Clear IPython's internal reference to an application instance. | |
150 |
|
169 | |||
151 | Whenever we create an app for a user on qt4 or wx, we hold a |
|
170 | Whenever we create an app for a user on qt4 or wx, we hold a | |
152 | reference to the app. This is needed because in some cases bad things |
|
171 | reference to the app. This is needed because in some cases bad things | |
153 | can happen if a user doesn't hold a reference themselves. This |
|
172 | can happen if a user doesn't hold a reference themselves. This | |
154 | method is provided to clear the references we are holding. |
|
173 | method is provided to clear the references we are holding. | |
155 |
|
174 | |||
156 | Parameters |
|
175 | Parameters | |
157 | ---------- |
|
176 | ---------- | |
158 | gui : None or str |
|
177 | gui : None or str | |
159 | If None, clear all app references. If ('wx', 'qt4') clear |
|
178 | If None, clear all app references. If ('wx', 'qt4') clear | |
160 | the app for that toolkit. References are not held for gtk or tk |
|
179 | the app for that toolkit. References are not held for gtk or tk | |
161 | as those toolkits don't have the notion of an app. |
|
180 | as those toolkits don't have the notion of an app. | |
162 | """ |
|
181 | """ | |
163 | if gui is None: |
|
182 | if gui is None: | |
164 | self._apps = {} |
|
183 | self._apps = {} | |
165 | elif self._apps.has_key(gui): |
|
184 | elif self._apps.has_key(gui): | |
166 | del self._apps[gui] |
|
185 | del self._apps[gui] | |
167 |
|
186 | |||
168 | def enable_wx(self, app=False): |
|
187 | def enable_wx(self, app=False): | |
169 | """Enable event loop integration with wxPython. |
|
188 | """Enable event loop integration with wxPython. | |
170 |
|
189 | |||
171 | Parameters |
|
190 | Parameters | |
172 | ---------- |
|
191 | ---------- | |
173 | app : bool |
|
192 | app : bool | |
174 | Create a running application object or not. |
|
193 | Create a running application object or not. | |
175 |
|
194 | |||
176 | Notes |
|
195 | Notes | |
177 | ----- |
|
196 | ----- | |
178 | This methods sets the ``PyOS_InputHook`` for wxPython, which allows |
|
197 | This methods sets the ``PyOS_InputHook`` for wxPython, which allows | |
179 | the wxPython to integrate with terminal based applications like |
|
198 | the wxPython to integrate with terminal based applications like | |
180 | IPython. |
|
199 | IPython. | |
181 |
|
200 | |||
182 | If ``app`` is True, we create an :class:`wx.App` as follows:: |
|
201 | If ``app`` is True, we create an :class:`wx.App` as follows:: | |
183 |
|
202 | |||
184 | import wx |
|
203 | import wx | |
185 | app = wx.App(redirect=False, clearSigInt=False) |
|
204 | app = wx.App(redirect=False, clearSigInt=False) | |
186 |
|
205 | |||
187 | Both options this constructor are important for things to work |
|
206 | Both options this constructor are important for things to work | |
188 | properly in an interactive context. |
|
207 | properly in an interactive context. | |
189 |
|
208 | |||
190 | But, we first check to see if an application has already been |
|
209 | But, we first check to see if an application has already been | |
191 | created. If so, we simply return that instance. |
|
210 | created. If so, we simply return that instance. | |
192 | """ |
|
211 | """ | |
193 | from IPython.lib.inputhookwx import inputhook_wx |
|
212 | from IPython.lib.inputhookwx import inputhook_wx | |
194 | self.set_inputhook(inputhook_wx) |
|
213 | self.set_inputhook(inputhook_wx) | |
195 | self._current_gui = 'wx' |
|
214 | self._current_gui = 'wx' | |
196 | self._hijack_wx() |
|
215 | self._hijack_wx() | |
197 | if app: |
|
216 | if app: | |
198 | import wx |
|
217 | import wx | |
199 | app = wx.GetApp() |
|
218 | app = wx.GetApp() | |
200 | if app is None: |
|
219 | if app is None: | |
201 | app = wx.App(redirect=False, clearSigInt=False) |
|
220 | app = wx.App(redirect=False, clearSigInt=False) | |
202 | self._apps['wx'] = app |
|
221 | self._apps['wx'] = app | |
203 | return app |
|
222 | return app | |
204 |
|
223 | |||
205 | def disable_wx(self): |
|
224 | def disable_wx(self): | |
206 | """Disable event loop integration with wxPython. |
|
225 | """Disable event loop integration with wxPython. | |
207 |
|
226 | |||
208 | This merely sets PyOS_InputHook to NULL. |
|
227 | This merely sets PyOS_InputHook to NULL. | |
209 | """ |
|
228 | """ | |
210 | self.clear_inputhook() |
|
229 | self.clear_inputhook() | |
211 |
|
230 | |||
212 | def enable_qt4(self, app=False): |
|
231 | def enable_qt4(self, app=False): | |
213 | """Enable event loop integration with PyQt4. |
|
232 | """Enable event loop integration with PyQt4. | |
214 |
|
233 | |||
215 | Parameters |
|
234 | Parameters | |
216 | ---------- |
|
235 | ---------- | |
217 | app : bool |
|
236 | app : bool | |
218 | Create a running application object or not. |
|
237 | Create a running application object or not. | |
219 |
|
238 | |||
220 | Notes |
|
239 | Notes | |
221 | ----- |
|
240 | ----- | |
222 | This methods sets the PyOS_InputHook for PyQt4, which allows |
|
241 | This methods sets the PyOS_InputHook for PyQt4, which allows | |
223 | the PyQt4 to integrate with terminal based applications like |
|
242 | the PyQt4 to integrate with terminal based applications like | |
224 | IPython. |
|
243 | IPython. | |
225 |
|
244 | |||
226 | If ``app`` is True, we create an :class:`QApplication` as follows:: |
|
245 | If ``app`` is True, we create an :class:`QApplication` as follows:: | |
227 |
|
246 | |||
228 | from PyQt4 import QtCore |
|
247 | from PyQt4 import QtCore | |
229 | app = QtGui.QApplication(sys.argv) |
|
248 | app = QtGui.QApplication(sys.argv) | |
230 |
|
249 | |||
231 | But, we first check to see if an application has already been |
|
250 | But, we first check to see if an application has already been | |
232 | created. If so, we simply return that instance. |
|
251 | created. If so, we simply return that instance. | |
233 | """ |
|
252 | """ | |
234 | from PyQt4 import QtCore |
|
253 | from PyQt4 import QtCore | |
235 | # PyQt4 has had this since 4.3.1. In version 4.2, PyOS_InputHook |
|
254 | # PyQt4 has had this since 4.3.1. In version 4.2, PyOS_InputHook | |
236 | # was set when QtCore was imported, but if it ever got removed, |
|
255 | # was set when QtCore was imported, but if it ever got removed, | |
237 | # you couldn't reset it. For earlier versions we can |
|
256 | # you couldn't reset it. For earlier versions we can | |
238 | # probably implement a ctypes version. |
|
257 | # probably implement a ctypes version. | |
239 | try: |
|
258 | try: | |
240 | QtCore.pyqtRestoreInputHook() |
|
259 | QtCore.pyqtRestoreInputHook() | |
241 | except AttributeError: |
|
260 | except AttributeError: | |
242 | pass |
|
261 | pass | |
243 | self._current_gui = 'qt4' |
|
262 | self._current_gui = 'qt4' | |
244 | self._hijack_qt4() |
|
263 | #self._hijack_qt4() | |
245 | if app: |
|
264 | if app: | |
246 | from PyQt4 import QtGui |
|
265 | from PyQt4 import QtGui | |
247 | app = QtCore.QCoreApplication.instance() |
|
266 | app = QtCore.QCoreApplication.instance() | |
248 | if app is None: |
|
267 | if app is None: | |
249 | app = QtGui.QApplication(sys.argv) |
|
268 | app = QtGui.QApplication(sys.argv) | |
250 | self._apps['qt4'] = app |
|
269 | self._apps['qt4'] = app | |
251 | return app |
|
270 | return app | |
252 |
|
271 | |||
253 | def disable_qt4(self): |
|
272 | def disable_qt4(self): | |
254 | """Disable event loop integration with PyQt4. |
|
273 | """Disable event loop integration with PyQt4. | |
255 |
|
274 | |||
256 | This merely sets PyOS_InputHook to NULL. |
|
275 | This merely sets PyOS_InputHook to NULL. | |
257 | """ |
|
276 | """ | |
258 | self.clear_inputhook() |
|
277 | self.clear_inputhook() | |
259 |
|
278 | |||
260 | def enable_gtk(self, app=False): |
|
279 | def enable_gtk(self, app=False): | |
261 | """Enable event loop integration with PyGTK. |
|
280 | """Enable event loop integration with PyGTK. | |
262 |
|
281 | |||
263 | Parameters |
|
282 | Parameters | |
264 | ---------- |
|
283 | ---------- | |
265 | app : bool |
|
284 | app : bool | |
266 | Create a running application object or not. Because gtk does't |
|
285 | Create a running application object or not. Because gtk does't | |
267 | have an app class, this does nothing. |
|
286 | have an app class, this does nothing. | |
268 |
|
287 | |||
269 | Notes |
|
288 | Notes | |
270 | ----- |
|
289 | ----- | |
271 | This methods sets the PyOS_InputHook for PyGTK, which allows |
|
290 | This methods sets the PyOS_InputHook for PyGTK, which allows | |
272 | the PyGTK to integrate with terminal based applications like |
|
291 | the PyGTK to integrate with terminal based applications like | |
273 | IPython. |
|
292 | IPython. | |
274 | """ |
|
293 | """ | |
275 | import gtk |
|
294 | import gtk | |
276 | try: |
|
295 | try: | |
277 | gtk.set_interactive(True) |
|
296 | gtk.set_interactive(True) | |
278 | self._current_gui = 'gtk' |
|
297 | self._current_gui = 'gtk' | |
279 | except AttributeError: |
|
298 | except AttributeError: | |
280 | # For older versions of gtk, use our own ctypes version |
|
299 | # For older versions of gtk, use our own ctypes version | |
281 | from IPython.lib.inputhookgtk import inputhook_gtk |
|
300 | from IPython.lib.inputhookgtk import inputhook_gtk | |
282 | self.set_inputhook(inputhook_gtk) |
|
301 | self.set_inputhook(inputhook_gtk) | |
283 | self._current_gui = 'gtk' |
|
302 | self._current_gui = 'gtk' | |
284 | self._hijack_gtk() |
|
303 | self._hijack_gtk() | |
285 |
|
304 | |||
286 | def disable_gtk(self): |
|
305 | def disable_gtk(self): | |
287 | """Disable event loop integration with PyGTK. |
|
306 | """Disable event loop integration with PyGTK. | |
288 |
|
307 | |||
289 | This merely sets PyOS_InputHook to NULL. |
|
308 | This merely sets PyOS_InputHook to NULL. | |
290 | """ |
|
309 | """ | |
291 | self.clear_inputhook() |
|
310 | self.clear_inputhook() | |
292 |
|
311 | |||
293 | def enable_tk(self, app=False): |
|
312 | def enable_tk(self, app=False): | |
294 | """Enable event loop integration with Tk. |
|
313 | """Enable event loop integration with Tk. | |
295 |
|
314 | |||
296 | Parameters |
|
315 | Parameters | |
297 | ---------- |
|
316 | ---------- | |
298 | app : bool |
|
317 | app : bool | |
299 | Create a running application object or not. |
|
318 | Create a running application object or not. | |
300 |
|
319 | |||
301 | Notes |
|
320 | Notes | |
302 | ----- |
|
321 | ----- | |
303 | Currently this is a no-op as creating a :class:`Tkinter.Tk` object |
|
322 | Currently this is a no-op as creating a :class:`Tkinter.Tk` object | |
304 | sets ``PyOS_InputHook``. |
|
323 | sets ``PyOS_InputHook``. | |
305 | """ |
|
324 | """ | |
306 | self._current_gui = 'tk' |
|
325 | self._current_gui = 'tk' | |
307 | self._hijack_tk() |
|
326 | self._hijack_tk() | |
308 |
|
327 | |||
309 | def disable_tk(self): |
|
328 | def disable_tk(self): | |
310 | """Disable event loop integration with Tkinter. |
|
329 | """Disable event loop integration with Tkinter. | |
311 |
|
330 | |||
312 | This merely sets PyOS_InputHook to NULL. |
|
331 | This merely sets PyOS_InputHook to NULL. | |
313 | """ |
|
332 | """ | |
314 | self.clear_inputhook() |
|
333 | self.clear_inputhook() | |
315 |
|
334 | |||
316 | def current_gui(self): |
|
335 | def current_gui(self): | |
317 | """Return a string indicating the currently active GUI or None.""" |
|
336 | """Return a string indicating the currently active GUI or None.""" | |
318 | return self._current_gui |
|
337 | return self._current_gui | |
319 |
|
338 | |||
320 | inputhook_manager = InputHookManager() |
|
339 | inputhook_manager = InputHookManager() | |
321 |
|
340 | |||
322 | enable_wx = inputhook_manager.enable_wx |
|
341 | enable_wx = inputhook_manager.enable_wx | |
323 | disable_wx = inputhook_manager.disable_wx |
|
342 | disable_wx = inputhook_manager.disable_wx | |
324 | enable_qt4 = inputhook_manager.enable_qt4 |
|
343 | enable_qt4 = inputhook_manager.enable_qt4 | |
325 | disable_qt4 = inputhook_manager.disable_qt4 |
|
344 | disable_qt4 = inputhook_manager.disable_qt4 | |
326 | enable_gtk = inputhook_manager.enable_gtk |
|
345 | enable_gtk = inputhook_manager.enable_gtk | |
327 | disable_gtk = inputhook_manager.disable_gtk |
|
346 | disable_gtk = inputhook_manager.disable_gtk | |
328 | enable_tk = inputhook_manager.enable_tk |
|
347 | enable_tk = inputhook_manager.enable_tk | |
329 | disable_tk = inputhook_manager.disable_tk |
|
348 | disable_tk = inputhook_manager.disable_tk | |
330 | clear_inputhook = inputhook_manager.clear_inputhook |
|
349 | clear_inputhook = inputhook_manager.clear_inputhook | |
331 | set_inputhook = inputhook_manager.set_inputhook |
|
350 | set_inputhook = inputhook_manager.set_inputhook | |
332 | current_gui = inputhook_manager.current_gui |
|
351 | current_gui = inputhook_manager.current_gui | |
333 | clear_app_refs = inputhook_manager.clear_app_refs |
|
352 | clear_app_refs = inputhook_manager.clear_app_refs |
@@ -1,37 +1,42 b'' | |||||
1 | #!/usr/bin/env python |
|
1 | #!/usr/bin/env python | |
2 | """Simple Qt4 example to manually test event loop integration. |
|
2 | """Simple Qt4 example to manually test event loop integration. | |
3 |
|
3 | |||
4 | This is meant to run tests manually in ipython as: |
|
4 | This is meant to run tests manually in ipython as: | |
5 |
|
5 | |||
6 | In [5]: %gui qt |
|
6 | In [5]: %gui qt | |
7 |
|
7 | |||
8 | In [6]: %run gui-qt.py |
|
8 | In [6]: %run gui-qt.py | |
9 |
|
9 | |||
10 | Ref: Modified from http://zetcode.com/tutorials/pyqt4/firstprograms/ |
|
10 | Ref: Modified from http://zetcode.com/tutorials/pyqt4/firstprograms/ | |
11 | """ |
|
11 | """ | |
12 |
|
12 | |||
13 | import sys |
|
13 | import sys | |
14 | from PyQt4 import QtGui, QtCore |
|
14 | from PyQt4 import QtGui, QtCore | |
15 |
|
15 | |||
16 | class SimpleWindow(QtGui.QWidget): |
|
16 | class SimpleWindow(QtGui.QWidget): | |
17 | def __init__(self, parent=None): |
|
17 | def __init__(self, parent=None): | |
18 | QtGui.QWidget.__init__(self, parent) |
|
18 | QtGui.QWidget.__init__(self, parent) | |
19 |
|
19 | |||
20 | self.setGeometry(300, 300, 200, 80) |
|
20 | self.setGeometry(300, 300, 200, 80) | |
21 | self.setWindowTitle('Hello World') |
|
21 | self.setWindowTitle('Hello World') | |
22 |
|
22 | |||
23 | quit = QtGui.QPushButton('Close', self) |
|
23 | quit = QtGui.QPushButton('Close', self) | |
24 | quit.setGeometry(10, 10, 60, 35) |
|
24 | quit.setGeometry(10, 10, 60, 35) | |
25 |
|
25 | |||
26 | self.connect(quit, QtCore.SIGNAL('clicked()'), |
|
26 | self.connect(quit, QtCore.SIGNAL('clicked()'), | |
27 | self, QtCore.SLOT('close()')) |
|
27 | self, QtCore.SLOT('close()')) | |
28 |
|
28 | |||
29 | if __name__ == '__main__': |
|
29 | if __name__ == '__main__': | |
30 | app = QtCore.QCoreApplication.instance() |
|
30 | app = QtCore.QCoreApplication.instance() | |
31 | if app is None: |
|
31 | if app is None: | |
32 | app = QtGui.QApplication([]) |
|
32 | app = QtGui.QApplication([]) | |
33 |
|
33 | |||
34 | sw = SimpleWindow() |
|
34 | sw = SimpleWindow() | |
35 | sw.show() |
|
35 | sw.show() | |
36 |
|
36 | |||
37 | app.exec_() |
|
37 | try: | |
|
38 | import IPython.lib.inputhook as i; i.appstart_qt4() | |||
|
39 | except ImportError: | |||
|
40 | app.exec_() | |||
|
41 | ||||
|
42 | #import time; time.sleep(10) |
General Comments 0
You need to be logged in to leave comments.
Login now