PyQt4字体对话框QFontDialog

#!/usr/bin/python
# -*- coding: utf-8 -*-

import sys
from PyQt4 import QtGui, QtCore 

class FontDialog(QtGui.QWidget):
    def __init__(self, parent = None):
        QtGui.QWidget.__init__(self)
        hbox = QtGui.QHBoxLayout()
        self.setGeometry(300, 300, 250, 110)
        self.setWindowTitle(‘Font Dialog‘)
        button = QtGui.QPushButton(‘Dialog‘, self)
        button.setFocusPolicy(QtCore.Qt.NoFocus)
        button.move(20, 20)
        hbox.addWidget(button)
        self.connect(button, QtCore.SIGNAL(‘clicked()‘), self.showDialog)
        self.label = QtGui.QLabel(‘moonlight poet, work hard to gain a better life‘, self)
        self.label.move(130, 20)
        hbox.addWidget(self.label, 1)
        self.setLayout(hbox)
        
    def showDialog(self):
        font, ok = QtGui.QFontDialog.getFont()
        if ok:
            self.label.setFont(font)
    
app = QtGui.QApplication(sys.argv)
fd = FontDialog()
fd.show()
sys.exit(app.exec_())