def __mouseButtonPress( self, qObject, qEvent ) : if ( self.__dragDropEvent is not None and self.__dragDropEvent.__startedByKeyPress and ( Widget._buttons( qEvent.button() ) & GafferUI.ButtonEvent.Buttons.Left ) ) : # We are doing a virtual drag based on a keypress, but once the actual mouse button gets pressed, # we replace it with an actual drag. self.__dragDropEvent.__startedByKeyPress = False return True widget = Widget._owner( qObject ) if widget._buttonPressSignal is not None : event = GafferUI.ButtonEvent( Widget._buttons( qEvent.button() ), self.__virtualButtons( qEvent.buttons() ), self.__widgetSpaceLine( qEvent, widget ), 0.0, Widget._modifiers( qEvent.modifiers() ), ) if event.buttons : result = widget._buttonPressSignal( widget, event ) if result : self.__lastButtonPressWidget = weakref.ref( widget ) self.__lastButtonPressEvent = event return result return False
def testNoShortCutting(self):
s = GafferUI.Gadget.ButtonSignal()
c1 = s.connect(self.falseSlot)
c2 = s.connect(self.trueSlot)
self.assertEqual(self.trueSlotCalled, False)
self.assertEqual(self.falseSlotCalled, False)
self.assertEqual(s(None, GafferUI.ButtonEvent()), True)
self.assertEqual(self.trueSlotCalled, True)
self.assertEqual(self.falseSlotCalled, True)
def __leave(self, widget):
self._qtWidget().clearFocus()
p = self.mousePosition(relativeTo=self)
event = GafferUI.ButtonEvent(
GafferUI.ButtonEvent.Buttons.None_,
GafferUI.ButtonEvent.Buttons.None_,
IECore.LineSegment3f(imath.V3f(p.x, p.y, 1),
imath.V3f(p.x, p.y, 0)))
if not self._makeCurrent():
return False
self.__viewportGadget.leaveSignal()(self.__viewportGadget, event)
def __wheel( self, qObject, qEvent ) : widget = Widget._owner( qObject ) if widget._wheelSignal is not None : event = GafferUI.ButtonEvent( GafferUI.ButtonEvent.Buttons.None_, Widget._buttons( qEvent.buttons() ), self.__widgetSpaceLine( qEvent, widget ), qEvent.delta() / 8.0, Widget._modifiers( qEvent.modifiers() ), ) return widget._wheelSignal( widget, event ) return False
def __mouseButtonDblClick(self, qObject, qEvent):
self.__lastButtonPressWidget = None
widget = Widget._owner(qObject)
if widget._buttonDoubleClickSignal is not None:
event = GafferUI.ButtonEvent(
Widget._buttons(qEvent.button()),
Widget._buttons(qEvent.buttons()),
self.__positionToLine(qEvent.pos()),
0.0,
Widget._modifiers(qEvent.modifiers()),
)
return widget._buttonDoubleClickSignal(widget, event)
return False
def __mouseMove(self, qObject, qEvent):
if self.__doDrag(qObject, qEvent):
return True
widget = Widget._owner(qObject)
if widget._mouseMoveSignal is not None:
event = GafferUI.ButtonEvent(
Widget._buttons(qEvent.button()),
Widget._buttons(qEvent.buttons()),
self.__positionToLine(qEvent.pos()),
0.0,
Widget._modifiers(qEvent.modifiers()),
)
return widget._mouseMoveSignal(widget, event)
return False
def __enter(self, widget):
if not isinstance(QtWidgets.QApplication.focusWidget(),
(QtWidgets.QLineEdit, QtWidgets.QPlainTextEdit)):
self._qtWidget().setFocus()
## \todo Widget.enterSignal() should be providing this
# event itself.
p = self.mousePosition(relativeTo=self)
event = GafferUI.ButtonEvent(
GafferUI.ButtonEvent.Buttons.None_,
GafferUI.ButtonEvent.Buttons.None_,
IECore.LineSegment3f(imath.V3f(p.x, p.y, 1),
imath.V3f(p.x, p.y, 0)))
if not self._makeCurrent():
return False
self.__viewportGadget.enterSignal()(self.__viewportGadget, event)
def __mouseButtonPress(self, qObject, qEvent):
widget = Widget._owner(qObject)
if widget._buttonPressSignal is not None:
event = GafferUI.ButtonEvent(
Widget._buttons(qEvent.button()),
Widget._buttons(qEvent.buttons()),
self.__positionToLine(qEvent.pos()),
0.0,
Widget._modifiers(qEvent.modifiers()),
)
if event.buttons:
result = widget._buttonPressSignal(widget, event)
if result:
self.__lastButtonPressWidget = weakref.ref(widget)
self.__lastButtonPressEvent = event
return result
return False
def __mouseButtonRelease(self, qObject, qEvent):
if self.__dragDropEvent is not None:
return self.__endDrag(qObject, qEvent)
else:
self.__lastButtonPressWidget = None
self.__lastButtonPressEvent = None
widget = Widget._owner(qObject)
if widget._buttonReleaseSignal is not None:
event = GafferUI.ButtonEvent(
Widget._buttons(qEvent.button()),
Widget._buttons(qEvent.buttons()),
self.__positionToLine(qEvent.pos()),
0.0,
Widget._modifiers(qEvent.modifiers()),
)
return widget._buttonReleaseSignal(widget, event)
return False
def testExceptionHandling(self):
# We don't want exceptions in one slot to prevent the
# invocation of other slots. But we do want the errors from
# those slots being printed to stderr.
s = GafferUI.Gadget.ButtonSignal()
c1 = s.connect(self.exceptionSlot)
c2 = s.connect(self.trueSlot)
self.assertEqual(self.exceptionSlotCalled, False)
self.assertEqual(self.trueSlotCalled, False)
tmpStdErr = six.moves.cStringIO()
sys.stderr = tmpStdErr
try:
self.assertEqual(s(None, GafferUI.ButtonEvent()), True)
finally:
sys.stderr = sys.__stderr__
self.assertIn("oops", tmpStdErr.getvalue())
self.assertEqual(self.exceptionSlotCalled, True)
self.assertEqual(self.trueSlotCalled, True)
def __mouseButtonRelease( self, qObject, qEvent ) : buttons = self.__virtualButtons( qEvent.buttons() ) if self.__dragDropEvent is not None and ( buttons & self.__dragDropEvent.buttons ) == 0 : return self.__endDrag( qObject, qEvent ) else : self.__lastButtonPressWidget = None self.__lastButtonPressEvent = None widget = Widget._owner( qObject ) if widget._buttonReleaseSignal is not None : event = GafferUI.ButtonEvent( Widget._buttons( qEvent.button() ), buttons, self.__widgetSpaceLine( qEvent, widget ), 0.0, Widget._modifiers( qEvent.modifiers() ), ) return widget._buttonReleaseSignal( widget, event ) return False
