usr bin env python coding utf-8 import sys from PyQt4 QtCore import fr

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
class Form(QDialog):
def __init__(self, parent=None):
super(Form, self).__init__(parent)
dial = QDial()
dial.setNotchesVisible(True)
spinbox = QSpinBox()
layout = QHBoxLayout()
layout.addWidget(dial)
layout.addWidget(spinbox)
self.setLayout(layout)
self.connect(dial, SIGNAL("valueChanged(int)"), spinbox.setValue)
self.connect(spinbox, SIGNAL("valueChanged(int)"),dial.setValue)
app = QApplication(sys.argv)
form = Form()
form.show()
app.exec_()