from PyQt5 import QtWidgets, QtCore
# https://stackoverflow.com/a/52690011, CC BY-SA 4.0
[docs]class Slider(QtWidgets.QSlider):
[docs] def mousePressEvent(self, event):
super(Slider, self).mousePressEvent(event)
if event.button() == QtCore.Qt.LeftButton:
val = self.pixelPosToRangeValue(event.pos())
self.setValue(val)
[docs] def pixelPosToRangeValue(self, pos):
opt = QtWidgets.QStyleOptionSlider()
self.initStyleOption(opt)
gr = self.style().subControlRect(QtWidgets.QStyle.CC_Slider, opt, QtWidgets.QStyle.SC_SliderGroove, self)
sr = self.style().subControlRect(QtWidgets.QStyle.CC_Slider, opt, QtWidgets.QStyle.SC_SliderHandle, self)
if self.orientation() == QtCore.Qt.Horizontal:
sliderLength = sr.width()
sliderMin = gr.x()
sliderMax = gr.right() - sliderLength + 1
else:
sliderLength = sr.height()
sliderMin = gr.y()
sliderMax = gr.bottom() - sliderLength + 1;
pr = pos - sr.center() + sr.topLeft()
p = pr.x() if self.orientation() == QtCore.Qt.Horizontal else pr.y()
return QtWidgets.QStyle.sliderValueFromPosition(self.minimum(), self.maximum(), p - sliderMin,
sliderMax - sliderMin, opt.upsideDown)