转载：cw123458945

 1 #!/usr/bin/env python
 2 
 3 import sys
 4 
 5 from PyQt4.QtCore import SIGNAL
 6 
 7 from PyQt4.QtGui import QApplication
 8 from PyQt4.QtGui import QMainWindow
 9 from PyQt4.QtGui import QTreeWidget
10 from PyQt4.QtGui import QTreeWidgetItem
11 
12 
13 class MyTreeItem(QTreeWidgetItem):
14 
15     def __init__(self, s, parent=None):
16 
17         super(MyTreeItem, self).__init__(parent, [s])
18 
19 
20 class MyTree(QTreeWidget):
21 
22     def __init__(self, parent=None):
23 
24         super(MyTree, self).__init__(parent)
25         self.setMinimumWidth(200)
26         self.setMinimumHeight(200)
27         for s in ['foo', 'bar']:
28             MyTreeItem(s, self)
29         self.connect(self, SIGNAL('itemClicked(QTreeWidgetItem*, int)'), self.onClick)
30 
31     def onClick(self, item, column):
32 
33         print(item.text(0))
34 
35 
36 class MainWindow(QMainWindow):
37 
38     def __init__(self, parent = None):
39 
40         super(MainWindow, self).__init__(parent)
41         self.tree = MyTree(self)
42 
43 
44 def main():
45 
46     app = QApplication(sys.argv)
47     win = MainWindow()
48     win.show()
49     app.exec_()
50 
51 
52 if __name__ == '__main__':
53     main()