Python

pyqt5 sliders

PyQt5 comes with sliders out of the box.

Sliders can be either vertical or horizontal. We can connect them with a method the same way as we do with buttons.

A slider is often used in conjunction with a spinbox, QSpinBox. In this example we won’t use a spinbox, as that’s optional. You can connect a slider to any widget or functionality you want.

Related course:
Create Simple GUI Applications with Python and Qt

Slider example
We create a groupbox which contains 4 sliders. A slider is created with the class QSlider, which accepts the flags Qt.Horizontal or Qt.Vertical.

pyqt sliders

If you want to add a slider to your existing code, don’t forget to import QSlider from PyQt5.QtWidgets.

# pythonprogramminglanguage.com
import sys
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QApplication, QCheckBox, QGridLayout, QGroupBox,
QMenu, QPushButton, QRadioButton, QVBoxLayout, QWidget, QSlider)

class Window(QWidget):
def __init__(self, parent=None):
super(Window, self).__init__(parent)

grid = QGridLayout()
grid.addWidget(self.createExampleGroup(), 0, 0)
grid.addWidget(self.createExampleGroup(), 1, 0)
grid.addWidget(self.createExampleGroup(), 0, 1)
grid.addWidget(self.createExampleGroup(), 1, 1)
self.setLayout(grid)

self.setWindowTitle("PyQt5 Sliders")
self.resize(400, 300)

def createExampleGroup(self):
groupBox = QGroupBox("Slider Example")

radio1 = QRadioButton("&Radio horizontal slider")

slider = QSlider(Qt.Horizontal)
slider.setFocusPolicy(Qt.StrongFocus)
slider.setTickPosition(QSlider.TicksBothSides)
slider.setTickInterval(10)
slider.setSingleStep(1)

radio1.setChecked(True)

vbox = QVBoxLayout()
vbox.addWidget(radio1)
vbox.addWidget(slider)
vbox.addStretch(1)
groupBox.setLayout(vbox)

return groupBox

if __name__ == '__main__':
app = QApplication(sys.argv)
clock = Window()
clock.show()
sys.exit(app.exec_())

 

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