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test_slider.py
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test_slider.py
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from PyQt5.QtWidgets import (QWidget, QSlider, QHBoxLayout,
QLabel, QApplication)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QPixmap
import sys
class Example(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
hbox = QHBoxLayout()
sld = QSlider(Qt.Horizontal, self)
sld.setRange(0, 100)
sld.setFocusPolicy(Qt.NoFocus)
sld.setPageStep(5)
sld.valueChanged.connect(self.updateLabel)
self.label = QLabel('0', self)
self.label.setAlignment(Qt.AlignCenter | Qt.AlignVCenter)
self.label.setMinimumWidth(80)
hbox.addWidget(sld)
hbox.addSpacing(15)
hbox.addWidget(self.label)
self.setLayout(hbox)
self.setGeometry(300, 300, 350, 250)
self.setWindowTitle('QSlider')
self.show()
def updateLabel(self, value):
print(value)
self.label.setText(str(value))
def main():
app = QApplication(sys.argv)
ex = Example()
sys.exit(app.exec_())
if __name__ == '__main__':
main()