#!/usr/bin/env python # Qt tutorial 5. import sys from qt import * class MyWidget(QVBox): def __init__(self,parent=None,name=None): QVBox.__init__(self,parent,name) quit = QPushButton("Quit",self,"quit") quit.setFont(QFont("Times",18,QFont.Bold)) self.connect(quit,SIGNAL("clicked()"),qApp,SLOT("quit()")) lcd = QLCDNumber(2,self,"lcd") slider = QSlider(Qt.Horizontal,self,"slider") slider.setRange(0,99) slider.setValue(0) self.connect(slider,SIGNAL("valueChanged(int)"),lcd,SLOT("display(int)")) a = QApplication(sys.argv) w = MyWidget() a.setMainWidget(w) w.show() a.exec_loop()