<p>您还可以使用QMainWindow和QWidget的组合。</p>
<p>我发现这在某些情况下很有用。您可以将statusbar和menubar添加到MainWindow部分,将widgets添加到QWidget区域。</p>
<pre><code>import sys
from PyQt4 import QtCore, QtGui
class MainWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.win_widget = WinWidget(self)
widget = QtGui.QWidget()
layout = QtGui.QVBoxLayout(widget)
layout.addWidget(self.win_widget)
self.setCentralWidget(widget)
self.statusBar().showMessage('Ready')
self.setGeometry(300, 300, 450, 250)
self.setWindowTitle('Test')
self.setWindowIcon (QtGui.QIcon('logo.png'))
self.show()
self.win_widget = WinWidget (self)
class WinWidget (QtGui.QWidget) :
def __init__(self, parent):
super (WinWidget , self).__init__(parent)
self.__controls()
#self.__layout()
def __controls(self):
self.qbtn = QtGui.QPushButton('Quit', self)
self.qbtn. clicked.connect(QtCore.QCoreApplication.instance().quit)
self.qbtn.setFixedSize (100,25)
self.qbtn.move(50, 50)
def main():
app = QtGui.QApplication(sys.argv)
win = MainWindow()
win.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
</code></pre>