def __init__(self): QGLWidget.__init__(self, None) self.setMinimumSize(640, 480) self.makeCurrent() self.initted = False self.initializeGL() self.solution = None
def __init__(self, parent=None, **kw): # the current button self._ActiveButton = Qt.NoButton # private attributes self.__saveX = 0 self.__saveY = 0 self.__saveModifiers = Qt.NoModifier self.__saveButtons = Qt.NoButton self.__wheelDelta = 0 # do special handling of some keywords: # stereo, rw try: stereo = bool(kw['stereo']) except KeyError: stereo = False try: rw = kw['rw'] except KeyError: rw = None # create base qt-level widget if QVTKRWIBase == "QWidget": if "wflags" in kw: wflags = kw['wflags'] else: wflags = Qt.WindowFlags() QWidget.__init__(self, parent, wflags | Qt.MSWindowsOwnDC) elif QVTKRWIBase == "QGLWidget": QGLWidget.__init__(self, parent) if rw: # user-supplied render window self._RenderWindow = rw else: self._RenderWindow = vtk.vtkRenderWindow() WId = self.winId() # Python2 if type(WId).__name__ == 'PyCObject': from ctypes import pythonapi, c_void_p, py_object pythonapi.PyCObject_AsVoidPtr.restype = c_void_p pythonapi.PyCObject_AsVoidPtr.argtypes = [py_object] WId = pythonapi.PyCObject_AsVoidPtr(WId) # Python3 elif type(WId).__name__ == 'PyCapsule': from ctypes import pythonapi, c_void_p, py_object, c_char_p pythonapi.PyCapsule_GetName.restype = c_char_p pythonapi.PyCapsule_GetName.argtypes = [py_object] name = pythonapi.PyCapsule_GetName(WId) pythonapi.PyCapsule_GetPointer.restype = c_void_p pythonapi.PyCapsule_GetPointer.argtypes = [py_object, c_char_p] WId = pythonapi.PyCapsule_GetPointer(WId, name) self._RenderWindow.SetWindowInfo(str(int(WId))) if stereo: # stereo mode self._RenderWindow.StereoCapableWindowOn() self._RenderWindow.SetStereoTypeToCrystalEyes() try: self._Iren = kw['iren'] except KeyError: self._Iren = vtk.vtkGenericRenderWindowInteractor() self._Iren.SetRenderWindow(self._RenderWindow) # do all the necessary qt setup self.setAttribute(Qt.WA_OpaquePaintEvent) self.setAttribute(Qt.WA_PaintOnScreen) self.setMouseTracking(True) # get all mouse events self.setFocusPolicy(Qt.WheelFocus) self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)) self._Timer = QTimer(self) self._Timer.timeout.connect(self.TimerEvent) self._Iren.AddObserver('CreateTimerEvent', self.CreateTimer) self._Iren.AddObserver('DestroyTimerEvent', self.DestroyTimer) self._Iren.GetRenderWindow().AddObserver('CursorChangedEvent', self.CursorChangedEvent) #Create a hidden child widget and connect its destroyed signal to its #parent ``Finalize`` slot. The hidden children will be destroyed before #its parent thus allowing cleanup of VTK elements. self._hidden = QWidget(self) self._hidden.hide() self._hidden.destroyed.connect(self.Finalize)