def setModal( self, modal, parentWindow=None ) : assert( modal != self.getModal() ) if modal : if parentWindow is not None : focusWidget = self._qtWidget().focusWidget() parentWindow.addChildWindow( self ) if focusWidget is not None : # the reparenting above removes the focus, so we reclaim it. # this is important for PathChooserWidget, which puts the focus # in the right place in waitForPath(), then calls waitForButton(). focusWidget.setFocus( QtCore.Qt.ActiveWindowFocusReason ) self.setVisible( False ) self._qtWidget().setWindowModality( QtCore.Qt.ApplicationModal ) self.setVisible( True ) self.__closeConnection = self.closedSignal().connect( Gaffer.WeakMethod( self.__close ) ) self.__modalEventLoop = GafferUI.EventLoop() self.__modalEventLoop.start() self.__closeConnection = None self.__modalEventLoop = None self._qtWidget().setWindowModality( QtCore.Qt.NonModal ) if parentWindow is not None : parentWindow.removeChild( self ) else : self.__modalEventLoop.stop()
def setModal(self, modal, parentWindow=None):
assert (modal != self.getModal())
if modal:
if parentWindow is not None:
focusWidget = self._qtWidget().focusWidget()
parentWindow.addChildWindow(self)
if focusWidget is not None:
# the reparenting above removes the focus, so we reclaim it.
# this is important for PathChooserWidget, which puts the focus
# in the right place in waitForPath(), then calls waitForButton().
focusWidget.setFocus(QtCore.Qt.ActiveWindowFocusReason)
self.setVisible(False)
self._qtWidget().setWindowModality(QtCore.Qt.ApplicationModal)
self.setVisible(True)
self.__closeConnection = self.closedSignal().connect(
Gaffer.WeakMethod(self.__close))
self.__modalEventLoop = GafferUI.EventLoop()
self.__modalEventLoop.start()
self.__closeConnection = None
self.__modalEventLoop = None
# Here we want to call `self._qtWidget().setWindowModality( QtCore.Qt.NonModal )`,
# but that causes crashes in Qt 5, because it doesn't support changing modality on
# the fly. See https://bugreports.qt.io/browse/QTBUG-47599. In practice, everywhere
# we use modal dialogues in Gaffer, we close the dialogue immediately after exiting
# the modal loop anyway, so at least for now we can get away with not switching the
# modality back.
if parentWindow is not None:
parentWindow.removeChild(self)
else:
self.__modalEventLoop.stop()
def waitForButton(self, parentWindow=None):
assert (len(self.__buttonRow))
if parentWindow is not None:
focusWidget = self._qtWidget().focusWidget()
parentWindow.addChildWindow(self)
if focusWidget is not None:
# the reparenting above removes the focus, so we reclaim it.
# this is important for PathChooserWidget, which puts the focus
# in the right place in waitForPath(), then calls waitForButton().
focusWidget.setFocus(QtCore.Qt.ActiveWindowFocusReason)
self.setVisible(False)
self._qtWidget().setWindowModality(QtCore.Qt.ApplicationModal)
self.setVisible(True)
self.__eventLoop = GafferUI.EventLoop()
self.__buttonConnections = []
self.__closeConnection = self.closedSignal().connect(
Gaffer.WeakMethod(self.__close))
for button in self.__buttonRow:
self.__buttonConnections.append(button.clickedSignal().connect(
Gaffer.WeakMethod(self.__buttonClicked)))
self.__resultOfWait = None
self.__eventLoop.start() # returns when a button has been pressed
self.__buttonConnections = []
self.__closeConnection = None
self.__eventLoop = None
self._qtWidget().setWindowModality(QtCore.Qt.NonModal)
if parentWindow is not None:
parentWindow.removeChild(self)
return self.__resultOfWait
