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# PySide2 tutorial 5


import sys
from PySide2 import QtCore, QtGui, QtWidgets


class MyWidget(QtWidgets.QWidget):
    def __init__(self, parent=None):
        QtWidgets.QWidget.__init__(self, parent)

        quit = QtWidgets.QPushButton("Quit")
        quit.setFont(QtGui.QFont("Times", 18, QtGui.QFont.Bold))

        lcd = QtWidgets.QLCDNumber(2)

        slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
        slider.setRange(0, 99)
        slider.setValue(0)

        self.connect(quit, QtCore.SIGNAL("clicked()"),
                     qApp, QtCore.SLOT("quit()"))
        self.connect(slider, QtCore.SIGNAL("valueChanged(int)"),
                     lcd, QtCore.SLOT("display(int)"))

        layout = QtWidgets.QVBoxLayout()
        layout.addWidget(quit)
        layout.addWidget(lcd)
        layout.addWidget(slider)
        self.setLayout(layout)


app = QtWidgets.QApplication(sys.argv)
widget = MyWidget()
widget.show()
sys.exit(app.exec_())
