我有一个QTreewidget,如果我在我的treelist上只有一个级别,它可以正常工作。如果我决定添加子级子文件,它会给我一个错误。这里是代码,只有在没有“孩子”行的情况下才能很好地工作(参见“孩子1”和“孩子2”之后)。Qt Python:QTreeWidget儿童问题
def eqpt_centralwdg(self,MainWindow):
self.centralwidget = QtGui.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.colorTreeWidget = QtGui.QTreeWidget(self.centralwidget)
self.colorTreeWidget.setGeometry(QtCore.QRect(60, 60, 191, 141))
self.colorTreeWidget.setObjectName("colorTreeWidget")
# father root 1
item = QtGui.QTreeWidgetItem(self.colorTreeWidget)
#child 1 - from father 1
item = QtGui.QTreeWidgetItem(item)
#child 2 - from father 1
item = QtGui.QTreeWidgetItem(item)
# father root 2
item = QtGui.QTreeWidgetItem(self.colorTreeWidget)
self.connect(self.colorTreeWidget, QtCore.SIGNAL('itemClicked(QTreeWidgetItem*, int)'), self.eqpt_activateInput)
MainWindow.setCentralWidget(self.centralwidget)
def eqpt_retranslateUi(self, MainWindow):
MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8)
self.colorTreeWidget.headerItem().setText(0, QtGui.QApplication.translate("MainWindow", "color", None, QtGui.QApplication.UnicodeUTF8)
__sortingEnabled = self.colorTreeWidget.isSortingEnabled()
self.colorTreeWidget.setSortingEnabled(False)
# father root 1
self.colorTreeWidget.topLevelItem(0).setText(0, QtGui.QApplication.translate("MainWindow", "Yellow", None, QtGui.QApplication.UnicodeUTF8)
#child 1 - from father 1
self.colorTreeWidget.topLevelItem(0).child(0).setText(0, QtGui.QApplication.translate("MainWindow", "Yellow Sun", None, QtGui.QApplication.UnicodeUTF8))
#child 2 - from father 1
self.colorTreeWidget.topLevelItem(0).child(1).setText(0, QtGui.QApplication.translate("MainWindow", "Yellow Gold", None, QtGui.QApplication.UnicodeUTF8))
# father root 2
self.colorTreeWidget.topLevelItem(1).setText(0, QtGui.QApplication.translate("MainWindow", "Blue", None, QtGui.QApplication.UnicodeUTF8)
self.colorTreeWidget.setSortingEnabled(__sortingEnabled)
这里是输出,它工作时
def eqpt_activateInput(self,item,col):
print "Qtree ok! pressed"
print item.text(col)
如果我排除有关“孩子1”和“2儿”从代码行,它运行。否则,它给我的错误:
AttributeError: 'NoneType' object has no attribute 'setText'
我用Qt设计器生成的代码,并添加了一些行来触发事件。
任何提示或建议,高度赞赏。
嗨,丹尼尔。感谢您的反馈意见。它有助于解决错误。 – ThreaderSlash 2009-11-17 23:22:02