def mousePressEvent(self, event):
self.prevValue = self.value()
self.startDragpos = event.pos()
emodif = event.modifiers()
modif = [
QtCore.Qt.ControlModifier, QtCore.Qt.ShiftModifier,
QtCore.Qt.ControlModifier | QtCore.Qt.ShiftModifier
]
if event.button() == QtCore.Qt.MidButton:
if self.draggers is None:
self.draggers = draggers(self,
self.isFloat,
draggerSteps=self.draggerSteps)
self.draggers.increment.connect(self.valueIncremented.emit)
self.draggers.show()
if self.isFloat:
self.draggers.move(
self.mapToGlobal(
QtCore.QPoint(
event.pos().x() - 1,
event.pos().y() - self.draggers.height() / 2)))
else:
self.draggers.move(
self.mapToGlobal(
QtCore.QPoint(
event.pos().x() - 1,
event.pos().y() - (self.draggers.height() -
self.draggers.height() / 6))))
elif event.button() == self.LeftButton and emodif not in modif:
butts = QtCore.Qt.MouseButtons(self.MidButton)
nevent = QtGui.QMouseEvent(event.type(),
event.pos(), self.MidButton, butts,
event.modifiers())
super(slider, self).mousePressEvent(nevent)
elif emodif in modif:
st_slider = QtWidgets.QStyleOptionSlider()
st_slider.initFrom(self)
st_slider.orientation = self.orientation()
available = self.style().pixelMetric(
QtWidgets.QStyle.PM_SliderSpaceAvailable, st_slider, self)
xloc = QtWidgets.QStyle.sliderPositionFromValue(
self.minimum(), self.maximum(),
super(slider, self).value(), available)
butts = QtCore.Qt.MouseButtons(self.MidButton)
newPos = QtCore.QPointF()
newPos.setX(xloc)
nevent = QtGui.QMouseEvent(event.type(), newPos, self.MidButton,
butts, event.modifiers())
self.startDragpos = newPos
self.realStartDragpos = event.pos()
super(slider, self).mousePressEvent(nevent)
self.deltaValue = self.value() - self.prevValue
self.setValue(self.prevValue)
else:
super(slider, self).mousePressEvent(event)
def mouseMoveEvent(self, event):
deltaX = event.pos().x() - self.realStartDragpos.x()
deltaY = event.pos().y() - self.realStartDragpos.y()
newPos = QtCore.QPointF()
modif = [QtCore.Qt.ControlModifier,
QtCore.Qt.ShiftModifier,
QtCore.Qt.ControlModifier | QtCore.Qt.ShiftModifier]
modif_ctl_shift = QtCore.Qt.ControlModifier | QtCore.Qt.ShiftModifier
if event.modifiers() in modif:
if event.modifiers() == QtCore.Qt.ControlModifier:
newPos.setX(self.startDragpos.x() + deltaX / 2)
newPos.setY(self.startDragpos.y() + deltaY / 2)
elif event.modifiers() == QtCore.Qt.ShiftModifier:
newPos.setX(self.startDragpos.x() + deltaX / 4)
newPos.setY(self.startDragpos.y() + deltaY / 4)
elif event.modifiers() == modif_ctl_shift:
newPos.setX(self.startDragpos.x() + deltaX / 8)
newPos.setY(self.startDragpos.y() + deltaY / 8)
nevent = QtGui.QMouseEvent(event.type(), newPos,
event.button(), event.buttons(),
event.modifiers())
super(slider, self).mouseMoveEvent(nevent)
self.setValue(self.value() - self.deltaValue)
else:
super(slider, self).mouseMoveEvent(event)
def offsetEvent(self, event):
# type: (QtGui.QMouseEvent) -> QtGui.QMouseEvent
offsetev = QtGui.QMouseEvent(event.type(),
event.pos() + self.offset,
event.globalPos(), event.button(),
event.buttons(), event.modifiers())
return offsetev
