Show More
@@ -1,464 +1,483 b'' | |||
|
1 | 1 | # coding: utf-8 |
|
2 | 2 | """ |
|
3 | 3 | Inputhook management for GUI event loop integration. |
|
4 | 4 | """ |
|
5 | 5 | |
|
6 | 6 | #----------------------------------------------------------------------------- |
|
7 | 7 | # Copyright (C) 2008-2009 The IPython Development Team |
|
8 | 8 | # |
|
9 | 9 | # Distributed under the terms of the BSD License. The full license is in |
|
10 | 10 | # the file COPYING, distributed as part of this software. |
|
11 | 11 | #----------------------------------------------------------------------------- |
|
12 | 12 | |
|
13 | 13 | #----------------------------------------------------------------------------- |
|
14 | 14 | # Imports |
|
15 | 15 | #----------------------------------------------------------------------------- |
|
16 | 16 | |
|
17 | 17 | import ctypes |
|
18 | 18 | import os |
|
19 | 19 | import sys |
|
20 | 20 | import warnings |
|
21 | 21 | |
|
22 | 22 | #----------------------------------------------------------------------------- |
|
23 | 23 | # Constants |
|
24 | 24 | #----------------------------------------------------------------------------- |
|
25 | 25 | |
|
26 | 26 | # Constants for identifying the GUI toolkits. |
|
27 | 27 | GUI_WX = 'wx' |
|
28 | 28 | GUI_QT = 'qt' |
|
29 | 29 | GUI_QT4 = 'qt4' |
|
30 | 30 | GUI_GTK = 'gtk' |
|
31 | 31 | GUI_TK = 'tk' |
|
32 | 32 | GUI_OSX = 'osx' |
|
33 | 33 | GUI_GLUT = 'glut' |
|
34 | 34 | GUI_PYGLET = 'pyglet' |
|
35 | 35 | |
|
36 | 36 | #----------------------------------------------------------------------------- |
|
37 | 37 | # Utilities |
|
38 | 38 | #----------------------------------------------------------------------------- |
|
39 | 39 | |
|
40 | 40 | def stdin_ready(): |
|
41 | 41 | if os.name == 'posix': |
|
42 | 42 | import select |
|
43 | 43 | infds, outfds, erfds = select.select([sys.stdin],[],[],0) |
|
44 | 44 | if infds: |
|
45 | 45 | return True |
|
46 | 46 | else: |
|
47 | 47 | return False |
|
48 | 48 | elif os.name == 'nt': |
|
49 | 49 | import msvcrt |
|
50 | 50 | return msvcrt.kbhit() |
|
51 | 51 | return True # assume there's something so that we won't wait forever |
|
52 | 52 | |
|
53 | 53 | |
|
54 | 54 | #----------------------------------------------------------------------------- |
|
55 | 55 | # Main InputHookManager class |
|
56 | 56 | #----------------------------------------------------------------------------- |
|
57 | 57 | |
|
58 | 58 | |
|
59 | 59 | class InputHookManager(object): |
|
60 | 60 | """Manage PyOS_InputHook for different GUI toolkits. |
|
61 | 61 | |
|
62 | 62 | This class installs various hooks under ``PyOSInputHook`` to handle |
|
63 | 63 | GUI event loop integration. |
|
64 | 64 | """ |
|
65 | 65 | |
|
66 | 66 | def __init__(self): |
|
67 | 67 | self.PYFUNC = ctypes.PYFUNCTYPE(ctypes.c_int) |
|
68 | 68 | self._apps = {} |
|
69 | 69 | self._reset() |
|
70 | 70 | |
|
71 | 71 | def _reset(self): |
|
72 | 72 | self._callback_pyfunctype = None |
|
73 | 73 | self._callback = None |
|
74 | 74 | self._installed = False |
|
75 | 75 | self._current_gui = None |
|
76 | 76 | |
|
77 | 77 | def get_pyos_inputhook(self): |
|
78 | 78 | """Return the current PyOS_InputHook as a ctypes.c_void_p.""" |
|
79 | 79 | return ctypes.c_void_p.in_dll(ctypes.pythonapi,"PyOS_InputHook") |
|
80 | 80 | |
|
81 | 81 | def get_pyos_inputhook_as_func(self): |
|
82 | 82 | """Return the current PyOS_InputHook as a ctypes.PYFUNCYPE.""" |
|
83 | 83 | return self.PYFUNC.in_dll(ctypes.pythonapi,"PyOS_InputHook") |
|
84 | 84 | |
|
85 | 85 | def set_inputhook(self, callback): |
|
86 | 86 | """Set PyOS_InputHook to callback and return the previous one.""" |
|
87 | 87 | self._callback = callback |
|
88 | 88 | self._callback_pyfunctype = self.PYFUNC(callback) |
|
89 | 89 | pyos_inputhook_ptr = self.get_pyos_inputhook() |
|
90 | 90 | original = self.get_pyos_inputhook_as_func() |
|
91 | 91 | pyos_inputhook_ptr.value = \ |
|
92 | 92 | ctypes.cast(self._callback_pyfunctype, ctypes.c_void_p).value |
|
93 | 93 | self._installed = True |
|
94 | 94 | return original |
|
95 | 95 | |
|
96 | 96 | def clear_inputhook(self, app=None): |
|
97 | 97 | """Set PyOS_InputHook to NULL and return the previous one. |
|
98 | 98 | |
|
99 | 99 | Parameters |
|
100 | 100 | ---------- |
|
101 | 101 | app : optional, ignored |
|
102 | 102 | This parameter is allowed only so that clear_inputhook() can be |
|
103 | 103 | called with a similar interface as all the ``enable_*`` methods. But |
|
104 | 104 | the actual value of the parameter is ignored. This uniform interface |
|
105 | 105 | makes it easier to have user-level entry points in the main IPython |
|
106 | 106 | app like :meth:`enable_gui`.""" |
|
107 | 107 | pyos_inputhook_ptr = self.get_pyos_inputhook() |
|
108 | 108 | original = self.get_pyos_inputhook_as_func() |
|
109 | 109 | pyos_inputhook_ptr.value = ctypes.c_void_p(None).value |
|
110 | 110 | self._reset() |
|
111 | 111 | return original |
|
112 | 112 | |
|
113 | 113 | def clear_app_refs(self, gui=None): |
|
114 | 114 | """Clear IPython's internal reference to an application instance. |
|
115 | 115 | |
|
116 | 116 | Whenever we create an app for a user on qt4 or wx, we hold a |
|
117 | 117 | reference to the app. This is needed because in some cases bad things |
|
118 | 118 | can happen if a user doesn't hold a reference themselves. This |
|
119 | 119 | method is provided to clear the references we are holding. |
|
120 | 120 | |
|
121 | 121 | Parameters |
|
122 | 122 | ---------- |
|
123 | 123 | gui : None or str |
|
124 | 124 | If None, clear all app references. If ('wx', 'qt4') clear |
|
125 | 125 | the app for that toolkit. References are not held for gtk or tk |
|
126 | 126 | as those toolkits don't have the notion of an app. |
|
127 | 127 | """ |
|
128 | 128 | if gui is None: |
|
129 | 129 | self._apps = {} |
|
130 | 130 | elif self._apps.has_key(gui): |
|
131 | 131 | del self._apps[gui] |
|
132 | 132 | |
|
133 | 133 | def enable_wx(self, app=None): |
|
134 | 134 | """Enable event loop integration with wxPython. |
|
135 | 135 | |
|
136 | 136 | Parameters |
|
137 | 137 | ---------- |
|
138 | 138 | app : WX Application, optional. |
|
139 | 139 | Running application to use. If not given, we probe WX for an |
|
140 | 140 | existing application object, and create a new one if none is found. |
|
141 | 141 | |
|
142 | 142 | Notes |
|
143 | 143 | ----- |
|
144 | 144 | This methods sets the ``PyOS_InputHook`` for wxPython, which allows |
|
145 | 145 | the wxPython to integrate with terminal based applications like |
|
146 | 146 | IPython. |
|
147 | 147 | |
|
148 | 148 | If ``app`` is not given we probe for an existing one, and return it if |
|
149 | 149 | found. If no existing app is found, we create an :class:`wx.App` as |
|
150 | 150 | follows:: |
|
151 | 151 | |
|
152 | 152 | import wx |
|
153 | 153 | app = wx.App(redirect=False, clearSigInt=False) |
|
154 | 154 | """ |
|
155 | 155 | from IPython.lib.inputhookwx import inputhook_wx |
|
156 | 156 | self.set_inputhook(inputhook_wx) |
|
157 | 157 | self._current_gui = GUI_WX |
|
158 | 158 | import wx |
|
159 | 159 | if app is None: |
|
160 | 160 | app = wx.GetApp() |
|
161 | 161 | if app is None: |
|
162 | 162 | app = wx.App(redirect=False, clearSigInt=False) |
|
163 | 163 | app._in_event_loop = True |
|
164 | 164 | self._apps[GUI_WX] = app |
|
165 | 165 | return app |
|
166 | 166 | |
|
167 | 167 | def disable_wx(self): |
|
168 | 168 | """Disable event loop integration with wxPython. |
|
169 | 169 | |
|
170 | 170 | This merely sets PyOS_InputHook to NULL. |
|
171 | 171 | """ |
|
172 | 172 | if self._apps.has_key(GUI_WX): |
|
173 | 173 | self._apps[GUI_WX]._in_event_loop = False |
|
174 | 174 | self.clear_inputhook() |
|
175 | 175 | |
|
176 | 176 | def enable_qt4(self, app=None): |
|
177 | 177 | """Enable event loop integration with PyQt4. |
|
178 | 178 | |
|
179 | 179 | Parameters |
|
180 | 180 | ---------- |
|
181 | 181 | app : Qt Application, optional. |
|
182 | 182 | Running application to use. If not given, we probe Qt for an |
|
183 | 183 | existing application object, and create a new one if none is found. |
|
184 | 184 | |
|
185 | 185 | Notes |
|
186 | 186 | ----- |
|
187 | 187 | This methods sets the PyOS_InputHook for PyQt4, which allows |
|
188 | 188 | the PyQt4 to integrate with terminal based applications like |
|
189 | 189 | IPython. |
|
190 | 190 | |
|
191 | 191 | If ``app`` is not given we probe for an existing one, and return it if |
|
192 | 192 | found. If no existing app is found, we create an :class:`QApplication` |
|
193 | 193 | as follows:: |
|
194 | 194 | |
|
195 | 195 | from PyQt4 import QtCore |
|
196 | 196 | app = QtGui.QApplication(sys.argv) |
|
197 | 197 | """ |
|
198 | 198 | from IPython.external.qt_for_kernel import QtCore, QtGui |
|
199 | from IPython.core import ipapi | |
|
199 | 200 | |
|
200 | 201 | if app is None: |
|
201 | 202 | app = QtCore.QCoreApplication.instance() |
|
202 | 203 | if app is None: |
|
203 | 204 | app = QtGui.QApplication([" "]) |
|
204 | 205 | |
|
205 |
# Always use |
|
|
206 |
# |
|
|
207 |
# |
|
|
206 | # Always use a custom input hook instead of PyQt4's default | |
|
207 | # one, as it interacts better with readline packages (issue | |
|
208 | # #481). | |
|
209 | ||
|
210 | # Note that we can't let KeyboardInterrupt escape from that | |
|
211 | # hook, (no exception can't be raised from within a ctypes | |
|
212 | # python callback). We need to make a compromise: a trapped | |
|
213 | # KeyboardInterrupt will prevent the input hook to re-enter | |
|
214 | # the exec loop, until we start over with a new prompt line. | |
|
215 | # This means one needs a double CTRL+C to get back to the | |
|
216 | # prompt. | |
|
217 | ||
|
218 | got_kbdint = [False] | |
|
219 | ||
|
220 | def preprompthook_qt4(self): | |
|
221 | got_kbdint[0] = False | |
|
222 | ipapi.get().set_hook('pre_prompt_hook', preprompthook_qt4) | |
|
208 | 223 | |
|
209 | 224 | def inputhook_qt4(): |
|
210 | 225 | try: |
|
226 | if got_kbdint[0]: | |
|
227 | return 0 | |
|
211 | 228 | app.processEvents(QtCore.QEventLoop.AllEvents, 300) |
|
212 | 229 | if not stdin_ready(): |
|
213 | 230 | timer = QtCore.QTimer() |
|
214 | 231 | timer.timeout.connect(app.quit) |
|
215 | 232 | while not stdin_ready(): |
|
216 | 233 | timer.start(50) |
|
217 | 234 | app.exec_() |
|
218 | 235 | timer.stop() |
|
219 | 236 | except KeyboardInterrupt: |
|
220 | pass | |
|
237 | got_kbdint[0] = True | |
|
238 | print("\n(event loop interrupted - " | |
|
239 | "hit CTRL+C again to clear the prompt)") | |
|
221 | 240 | return 0 |
|
222 | 241 | self.set_inputhook(inputhook_qt4) |
|
223 | 242 | |
|
224 | 243 | self._current_gui = GUI_QT4 |
|
225 | 244 | app._in_event_loop = True |
|
226 | 245 | self._apps[GUI_QT4] = app |
|
227 | 246 | return app |
|
228 | 247 | |
|
229 | 248 | def disable_qt4(self): |
|
230 | 249 | """Disable event loop integration with PyQt4. |
|
231 | 250 | |
|
232 | 251 | This merely sets PyOS_InputHook to NULL. |
|
233 | 252 | """ |
|
234 | 253 | if self._apps.has_key(GUI_QT4): |
|
235 | 254 | self._apps[GUI_QT4]._in_event_loop = False |
|
236 | 255 | self.clear_inputhook() |
|
237 | 256 | |
|
238 | 257 | def enable_gtk(self, app=None): |
|
239 | 258 | """Enable event loop integration with PyGTK. |
|
240 | 259 | |
|
241 | 260 | Parameters |
|
242 | 261 | ---------- |
|
243 | 262 | app : ignored |
|
244 | 263 | Ignored, it's only a placeholder to keep the call signature of all |
|
245 | 264 | gui activation methods consistent, which simplifies the logic of |
|
246 | 265 | supporting magics. |
|
247 | 266 | |
|
248 | 267 | Notes |
|
249 | 268 | ----- |
|
250 | 269 | This methods sets the PyOS_InputHook for PyGTK, which allows |
|
251 | 270 | the PyGTK to integrate with terminal based applications like |
|
252 | 271 | IPython. |
|
253 | 272 | """ |
|
254 | 273 | import gtk |
|
255 | 274 | try: |
|
256 | 275 | gtk.set_interactive(True) |
|
257 | 276 | self._current_gui = GUI_GTK |
|
258 | 277 | except AttributeError: |
|
259 | 278 | # For older versions of gtk, use our own ctypes version |
|
260 | 279 | from IPython.lib.inputhookgtk import inputhook_gtk |
|
261 | 280 | self.set_inputhook(inputhook_gtk) |
|
262 | 281 | self._current_gui = GUI_GTK |
|
263 | 282 | |
|
264 | 283 | def disable_gtk(self): |
|
265 | 284 | """Disable event loop integration with PyGTK. |
|
266 | 285 | |
|
267 | 286 | This merely sets PyOS_InputHook to NULL. |
|
268 | 287 | """ |
|
269 | 288 | self.clear_inputhook() |
|
270 | 289 | |
|
271 | 290 | def enable_tk(self, app=None): |
|
272 | 291 | """Enable event loop integration with Tk. |
|
273 | 292 | |
|
274 | 293 | Parameters |
|
275 | 294 | ---------- |
|
276 | 295 | app : toplevel :class:`Tkinter.Tk` widget, optional. |
|
277 | 296 | Running toplevel widget to use. If not given, we probe Tk for an |
|
278 | 297 | existing one, and create a new one if none is found. |
|
279 | 298 | |
|
280 | 299 | Notes |
|
281 | 300 | ----- |
|
282 | 301 | If you have already created a :class:`Tkinter.Tk` object, the only |
|
283 | 302 | thing done by this method is to register with the |
|
284 | 303 | :class:`InputHookManager`, since creating that object automatically |
|
285 | 304 | sets ``PyOS_InputHook``. |
|
286 | 305 | """ |
|
287 | 306 | self._current_gui = GUI_TK |
|
288 | 307 | if app is None: |
|
289 | 308 | import Tkinter |
|
290 | 309 | app = Tkinter.Tk() |
|
291 | 310 | app.withdraw() |
|
292 | 311 | self._apps[GUI_TK] = app |
|
293 | 312 | return app |
|
294 | 313 | |
|
295 | 314 | def disable_tk(self): |
|
296 | 315 | """Disable event loop integration with Tkinter. |
|
297 | 316 | |
|
298 | 317 | This merely sets PyOS_InputHook to NULL. |
|
299 | 318 | """ |
|
300 | 319 | self.clear_inputhook() |
|
301 | 320 | |
|
302 | 321 | |
|
303 | 322 | def enable_glut(self, app=None): |
|
304 | 323 | """ Enable event loop integration with GLUT. |
|
305 | 324 | |
|
306 | 325 | Parameters |
|
307 | 326 | ---------- |
|
308 | 327 | |
|
309 | 328 | app : ignored |
|
310 | 329 | Ignored, it's only a placeholder to keep the call signature of all |
|
311 | 330 | gui activation methods consistent, which simplifies the logic of |
|
312 | 331 | supporting magics. |
|
313 | 332 | |
|
314 | 333 | Notes |
|
315 | 334 | ----- |
|
316 | 335 | |
|
317 | 336 | This methods sets the PyOS_InputHook for GLUT, which allows the GLUT to |
|
318 | 337 | integrate with terminal based applications like IPython. Due to GLUT |
|
319 | 338 | limitations, it is currently not possible to start the event loop |
|
320 | 339 | without first creating a window. You should thus not create another |
|
321 | 340 | window but use instead the created one. See 'gui-glut.py' in the |
|
322 | 341 | docs/examples/lib directory. |
|
323 | 342 | |
|
324 | 343 | The default screen mode is set to: |
|
325 | 344 | glut.GLUT_DOUBLE | glut.GLUT_RGBA | glut.GLUT_DEPTH |
|
326 | 345 | """ |
|
327 | 346 | |
|
328 | 347 | import OpenGL.GLUT as glut |
|
329 | 348 | from IPython.lib.inputhookglut import glut_display_mode, \ |
|
330 | 349 | glut_close, glut_display, \ |
|
331 | 350 | glut_idle, inputhook_glut |
|
332 | 351 | |
|
333 | 352 | if not self._apps.has_key( GUI_GLUT ): |
|
334 | 353 | glut.glutInit( sys.argv ) |
|
335 | 354 | glut.glutInitDisplayMode( glut_display_mode ) |
|
336 | 355 | # This is specific to freeglut |
|
337 | 356 | if bool(glut.glutSetOption): |
|
338 | 357 | glut.glutSetOption( glut.GLUT_ACTION_ON_WINDOW_CLOSE, |
|
339 | 358 | glut.GLUT_ACTION_GLUTMAINLOOP_RETURNS ) |
|
340 | 359 | glut.glutCreateWindow( sys.argv[0] ) |
|
341 | 360 | glut.glutReshapeWindow( 1, 1 ) |
|
342 | 361 | glut.glutHideWindow( ) |
|
343 | 362 | glut.glutWMCloseFunc( glut_close ) |
|
344 | 363 | glut.glutDisplayFunc( glut_display ) |
|
345 | 364 | glut.glutIdleFunc( glut_idle ) |
|
346 | 365 | else: |
|
347 | 366 | glut.glutWMCloseFunc( glut_close ) |
|
348 | 367 | glut.glutDisplayFunc( glut_display ) |
|
349 | 368 | glut.glutIdleFunc( glut_idle) |
|
350 | 369 | self.set_inputhook( inputhook_glut ) |
|
351 | 370 | self._current_gui = GUI_GLUT |
|
352 | 371 | self._apps[GUI_GLUT] = True |
|
353 | 372 | |
|
354 | 373 | |
|
355 | 374 | def disable_glut(self): |
|
356 | 375 | """Disable event loop integration with glut. |
|
357 | 376 | |
|
358 | 377 | This sets PyOS_InputHook to NULL and set the display function to a |
|
359 | 378 | dummy one and set the timer to a dummy timer that will be triggered |
|
360 | 379 | very far in the future. |
|
361 | 380 | """ |
|
362 | 381 | import OpenGL.GLUT as glut |
|
363 | 382 | from glut_support import glutMainLoopEvent |
|
364 | 383 | |
|
365 | 384 | glut.glutHideWindow() # This is an event to be processed below |
|
366 | 385 | glutMainLoopEvent() |
|
367 | 386 | self.clear_inputhook() |
|
368 | 387 | |
|
369 | 388 | def enable_pyglet(self, app=None): |
|
370 | 389 | """Enable event loop integration with pyglet. |
|
371 | 390 | |
|
372 | 391 | Parameters |
|
373 | 392 | ---------- |
|
374 | 393 | app : ignored |
|
375 | 394 | Ignored, it's only a placeholder to keep the call signature of all |
|
376 | 395 | gui activation methods consistent, which simplifies the logic of |
|
377 | 396 | supporting magics. |
|
378 | 397 | |
|
379 | 398 | Notes |
|
380 | 399 | ----- |
|
381 | 400 | This methods sets the ``PyOS_InputHook`` for pyglet, which allows |
|
382 | 401 | pyglet to integrate with terminal based applications like |
|
383 | 402 | IPython. |
|
384 | 403 | |
|
385 | 404 | """ |
|
386 | 405 | import pyglet |
|
387 | 406 | from IPython.lib.inputhookpyglet import inputhook_pyglet |
|
388 | 407 | self.set_inputhook(inputhook_pyglet) |
|
389 | 408 | self._current_gui = GUI_PYGLET |
|
390 | 409 | return app |
|
391 | 410 | |
|
392 | 411 | def disable_pyglet(self): |
|
393 | 412 | """Disable event loop integration with pyglet. |
|
394 | 413 | |
|
395 | 414 | This merely sets PyOS_InputHook to NULL. |
|
396 | 415 | """ |
|
397 | 416 | self.clear_inputhook() |
|
398 | 417 | |
|
399 | 418 | def current_gui(self): |
|
400 | 419 | """Return a string indicating the currently active GUI or None.""" |
|
401 | 420 | return self._current_gui |
|
402 | 421 | |
|
403 | 422 | inputhook_manager = InputHookManager() |
|
404 | 423 | |
|
405 | 424 | enable_wx = inputhook_manager.enable_wx |
|
406 | 425 | disable_wx = inputhook_manager.disable_wx |
|
407 | 426 | enable_qt4 = inputhook_manager.enable_qt4 |
|
408 | 427 | disable_qt4 = inputhook_manager.disable_qt4 |
|
409 | 428 | enable_gtk = inputhook_manager.enable_gtk |
|
410 | 429 | disable_gtk = inputhook_manager.disable_gtk |
|
411 | 430 | enable_tk = inputhook_manager.enable_tk |
|
412 | 431 | disable_tk = inputhook_manager.disable_tk |
|
413 | 432 | enable_glut = inputhook_manager.enable_glut |
|
414 | 433 | disable_glut = inputhook_manager.disable_glut |
|
415 | 434 | enable_pyglet = inputhook_manager.enable_pyglet |
|
416 | 435 | disable_pyglet = inputhook_manager.disable_pyglet |
|
417 | 436 | clear_inputhook = inputhook_manager.clear_inputhook |
|
418 | 437 | set_inputhook = inputhook_manager.set_inputhook |
|
419 | 438 | current_gui = inputhook_manager.current_gui |
|
420 | 439 | clear_app_refs = inputhook_manager.clear_app_refs |
|
421 | 440 | |
|
422 | 441 | |
|
423 | 442 | # Convenience function to switch amongst them |
|
424 | 443 | def enable_gui(gui=None, app=None): |
|
425 | 444 | """Switch amongst GUI input hooks by name. |
|
426 | 445 | |
|
427 | 446 | This is just a utility wrapper around the methods of the InputHookManager |
|
428 | 447 | object. |
|
429 | 448 | |
|
430 | 449 | Parameters |
|
431 | 450 | ---------- |
|
432 | 451 | gui : optional, string or None |
|
433 | 452 | If None, clears input hook, otherwise it must be one of the recognized |
|
434 | 453 | GUI names (see ``GUI_*`` constants in module). |
|
435 | 454 | |
|
436 | 455 | app : optional, existing application object. |
|
437 | 456 | For toolkits that have the concept of a global app, you can supply an |
|
438 | 457 | existing one. If not given, the toolkit will be probed for one, and if |
|
439 | 458 | none is found, a new one will be created. Note that GTK does not have |
|
440 | 459 | this concept, and passing an app if `gui`=="GTK" will raise an error. |
|
441 | 460 | |
|
442 | 461 | Returns |
|
443 | 462 | ------- |
|
444 | 463 | The output of the underlying gui switch routine, typically the actual |
|
445 | 464 | PyOS_InputHook wrapper object or the GUI toolkit app created, if there was |
|
446 | 465 | one. |
|
447 | 466 | """ |
|
448 | 467 | guis = {None: clear_inputhook, |
|
449 | 468 | GUI_OSX: lambda app=False: None, |
|
450 | 469 | GUI_TK: enable_tk, |
|
451 | 470 | GUI_GTK: enable_gtk, |
|
452 | 471 | GUI_WX: enable_wx, |
|
453 | 472 | GUI_QT: enable_qt4, # qt3 not supported |
|
454 | 473 | GUI_QT4: enable_qt4, |
|
455 | 474 | GUI_GLUT: enable_glut, |
|
456 | 475 | GUI_PYGLET: enable_pyglet, |
|
457 | 476 | } |
|
458 | 477 | try: |
|
459 | 478 | gui_hook = guis[gui] |
|
460 | 479 | except KeyError: |
|
461 | 480 | e = "Invalid GUI request %r, valid ones are:%s" % (gui, guis.keys()) |
|
462 | 481 | raise ValueError(e) |
|
463 | 482 | return gui_hook(app) |
|
464 | 483 |
General Comments 0
You need to be logged in to leave comments.
Login now