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#!/usr/bin/env python
"""Simple Qt4 example to manually test event loop integration.
This is meant to run tests manually in ipython as:
In [5]: %gui qt
In [6]: %run gui-qt.py
Ref: Modified from http://zetcode.com/tutorials/pyqt4/firstprograms/
"""
import sys
from PyQt4 import QtGui, QtCore
class SimpleWindow(QtGui.QWidget):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.setGeometry(300, 300, 200, 80)
self.setWindowTitle('Hello World')
quit = QtGui.QPushButton('Close', self)
quit.setGeometry(10, 10, 60, 35)
self.connect(quit, QtCore.SIGNAL('clicked()'),
self, QtCore.SLOT('close()'))
if __name__ == '__main__':
app = QtCore.QCoreApplication.instance()
if app is None:
app = QtGui.QApplication([])
sw = SimpleWindow()
sw.show()
try:
from IPython.lib.guisupport import start_event_loop_qt4
start_event_loop_qt4(app)
except ImportError:
app.exec_()
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