def wheelEvent(self, event: QtGui.QWheelEvent):
"""Implementation.
Handles zooming the editor's view.
"""
if (event.modifiers() & Qt.ControlModifier
and event.orientation() == Qt.Vertical):
if event.delta() > 0:
self.zoomIn()
else:
self.zoomOut()
# TODO: Improve cursor anchoring; be more like Aseprite
prevAnchor = self.transformationAnchor()
self.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
self.setTransform(QTransform.fromScale(self.zoom(), self.zoom()))
self.updateSceneRect(self.zoom())
self.setTransformationAnchor(prevAnchor)
event.accept()
elif event.orientation() == Qt.Horizontal:
# XXX: Workaround for the insane horizontal scroll delta of 15240 on the
# Logitech G502 mouse.
if abs(event.delta()) == 15240:
newDelta = 120 if event.delta() > 0 else -120
event = QtGui.QWheelEvent(event.pos(),
event.globalPos(),
newDelta,
event.buttons(),
event.modifiers(),
orient=Qt.Horizontal)
super().wheelEvent(event)
else:
super().wheelEvent(event)
def wheelEvent(self, e: QWheelEvent):
if e.modifiers() & Qt.ControlModifier:
if e.delta() > 0:
self.view.zoomIn(6)
else:
self.view.zoomOut(6)
else:
QGraphicsView.wheelEvent(e)
def wheelEvent(self, event: QWheelEvent):
if not self.handleEvents:
return
x, y = self.getMousePosition(event)
delta = event.delta()
horizontal = event.orientation() == Qt.Orientation.Horizontal
event.setAccepted(True)
pdu = PlayerMouseWheelPDU(self.layer.getCurrentTimeStamp(), x, y,
delta, horizontal)
self.layer.sendPDU(pdu)
def wheelEvent(self, event: QWheelEvent) -> None:
degrees: int = event.delta() // 8 # 滚动的角度,*8就是鼠标滚动的距离
steps: int = degrees // 15 # 滚动的步数,*15就是鼠标滚动的角度
# 如果是正数代表为左边移动,负数代表为右边移动
if event.orientation() is Qt.Vertical:
index: int = self.__currentIndex - steps
if steps > 0:
if index > 0: self.currentIndex = index
else: self.currentIndex = 0
else:
if index < self.__listValue.__len__() - 1:
self.currentIndex = index
else:
self.currentIndex = self.__listValue.__len__() - 1
def wheelEvent(self, event: QWheelEvent) -> None: """ Handle wheel scroll events. This will zoom in or out if the Ctrl key is pressed. :param event: the wheel scroll event :type event: QWheelEvent :return: None :rtype: NoneType """ if event.modifiers() != Qt.ControlModifier: return # Zoom if event.delta() > 0: self.zoomIn(event.pos()) else: self.zoomOut(event.pos())
def wheelEvent(self, event: QtGui.QWheelEvent):
self.camera.zoom(event.delta())
self.update()
