def testIOr(self):
'''QFlags |= (ior) operator'''
flag = Qt.WindowFlags()
self.assertTrue(Qt.Widget == 0)
self.assertFalse(flag & Qt.Widget)
result = flag & Qt.Widget
self.assertTrue(result == 0)
flag |= Qt.WindowMinimizeButtonHint
self.assertTrue(flag & Qt.WindowMinimizeButtonHint)
def __init__(self,
iconDirectory,
widgetToFocus,
parent=None,
flags=Qt.WindowFlags()):
"""
TOWRITE
:param `iconDirectory`: TOWRITE
:type `iconDirectory`: QString
:param `widgetToFocus`: TOWRITE
:type `widgetToFocus`: QWidget
:param `parent`: TOWRITE
:type `parent`: QWidget
:param `flags`: TOWRITE
:type `flags`: Qt.WindowFlags
"""
super(UndoEditor, self).__init__(parent, flags)
self.iconDir = iconDirectory
self.iconSize = 16
self.setMinimumSize(100, 100)
self.undoGroup = QUndoGroup(self)
self.undoView = QUndoView(self.undoGroup, self)
self.undoView.setEmptyLabel(self.tr("New"))
self.undoView.setCleanIcon(
QIcon(self.iconDir + os.sep + "new.png")
) # TODO: new.png for new drawings, open.png for opened drawings, save.png for saved/cleared drawings?
self.setWidget(self.undoView)
self.setWindowTitle(self.tr("History"))
self.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
self.setFocusProxy(widgetToFocus)
self.undoView.setFocusProxy(widgetToFocus)
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 "wflags" in kw:
wflags = kw['wflags']
else:
wflags = Qt.WindowFlags()
QWidget.__init__(self, parent, wflags | Qt.MSWindowsOwnDC)
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)
