PyQt5_QScrollBarWidget.py

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *


class Example(QWidget):
    def __init__(self):
        super(Example, self).__init__()
        self.initUI()

    def initUI(self):
        vbox = QVBoxLayout(self)
        vbox.addLayout(box)
        self.setLayout(vbox)
        hbox = QHBoxLayout()
        self.l1 = QLabel("Drag scrollbar sliders to change color")
        self.l1.setFont(QFont("Arial", 16))

        hbox.addWidget(self.l1)
        self.s1 = QScrollBar()
        self.s1.setMaximum(255)

        self.s1.sliderMoved.connect(self.sliderval)
        self.s2 = QScrollBar()
        self.s2.setMaximum(255)
        self.s2.sliderMoved.connect(self.sliderval)

        self.s3 = QScrollBar()
        self.s3.setMaximum(255)
        self.s3.sliderMoved.connect(self.sliderval)

        hbox.addWidget(self.s1)
        hbox.addWidget(self.s2)
        hbox.addWidget(self.s3)

        self.setGeometry(300, 300, 300, 200)
        self.setWindowTitle('QSplitter demo')
        self.show()

    def sliderval(self):
        print
        self.s1.value(), self.s2.value(), self.s3.value()
        palette = QPalette()
        c = QColor(self.s1.value(), self.s2.value(), self.s3.value(), 255)
        palette.setColor(QPalette.Foreground, c)
        self.l1.setPalette(palette)


def main():
    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())


if __name__ == '__main__':
    main()