luks

#!/usr/bin/env python# -*- coding: utf-8 -*-## The PYTHagoras application by Kris <kris@scoutzone.dk>#import sysfrom qt import *import mathclass Pytagoras(QWidget):    def __init__(self, *args):        QWidget.__init__(self,  *args)        self.setCaption("PYTHagoras - 0.1")        self.setGeometry(0,0,230,130)                # Button, Text and Inputs        self.kateteEtText = QLabel("Katete1:", self)        self.kateteEtText.setGeometry(10,10,100,25)                self.kateteToText = QLabel("Katete2:", self)        self.kateteToText.setGeometry(10,40,100,25)                self.kateteEt = QLineEdit("", self)        self.kateteEt.setGeometry(90,10,100,25)                self.kateteTo = QLineEdit("", self)        self.kateteTo.setGeometry(90,40,100,25)                self.cmEtText = QLabel("cm", self)        self.cmEtText.setGeometry(195,10,100,25)                self.cmToText = QLabel("cm", self)        self.cmToText.setGeometry(195,40,100,25)                self.hypetenuseText = QLabel("C = ", self)        self.hypetenuseText.setGeometry(40,70,100,25)                self.calculate = QPushButton("Udregn!", self)        self.calculate.setGeometry(70,100,100,25)                #Actions        self.connect(self.calculate, SIGNAL("clicked()"),            self.doCalculate)        # Functions    def doShowCalculate(self):        a2 = math.pow(a,2)        b2 = math.pow(b,2)        c = math.sqrt(c2)        print "A2 = ", a2        print "B2 = ", b2        print "C2 = ", a2+b2        print "\nC = ", c            def doCalculate(self):        a = float(self.kateteEt.text())        b = float(self.kateteTo.text())        c2 = math.pow(a,2)+math.pow(b,2)        c = math.sqrt(c2)        print "C = ", c# Mainif __name__ == "__main__":        app = QApplication(sys.argv)        app.connect(app, SIGNAL("lastWindowClosed()"), app,                        SLOT('quit()'))        pytagoras = Pytagoras()        pytagoras.show()        app.setMainWidget(pytagoras)        app.exec_loop()