我读了关于如何使我的QAbstractTableModel编辑 ,它看起来非常简单。
但我怎么设置使用QCompleter可编辑单元格? 我把它不知何故,我必须告诉使用QLineEdit的插件的QTableView中? 我怎样才能做到这一点?
编辑:嗯,我想这与一些QTableView.setItemDelegateForColumn() ,但我不知道任何有关代表或如何使用它们。
编辑:我试过RobbieE的解决方案,得到的东西之类的作品,但它会弹出组合框错误的几何形状,当我按下Enter键崩溃了Python。
class CompleterDelegate(QtGui.QStyledItemDelegate):
def __init__(self, parent=None, completerSetupFunction=None):
super(CompleterDelegate, self).__init__(parent)
self._completerSetupFunction = completerSetupFunction
def createEditor(self, parent, option, index):
return QtGui.QLineEdit(parent)
def setEditorData(self, editor, index):
super(CompleterDelegate, self).setEditorData(editor, index)
self._completerSetupFunction(editor, index)
我_completerSetupFunction看起来是这样的:
def setupFunc(editor, index):
completer = MyCompleter(editor)
completer.setCompletionColumn(0)
completer.setCompletionRole(QtCore.Qt.DisplayRole)
completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
editor.setCompleter(completer)
completer.setModel(myAbstractItemModel)
创建的子类QStyledItemDelegate
所有你需要做的是重新实现setEditorData
功能,检查编辑器部件是QLineEdit
,然后设置完成者。
请借口说我不知道Python的,但是这是怎么会在C ++完成。 我们希望,翻译成Python会很容易。
class MyDelegate : public QStyledItemDelegate{
public:
void setEditorData(QWidget *editor, QModelIndex const &index){
// call the superclass' function so that the editor widget gets the correct data
QStyledItemDelegate::setEditorData(editor, index);
// Check that the editor passed in is a QLineEdit.
QLineEdit *lineEdit = qobject_cast<QLineEdit>(editor);
if (lineEdit != 0){
// add whatever completer is needed, making sure that the editor is the parent QObject so it gets deleted along with the editor
lineEdit.setComplete(new MyCompleter(editor));
}
}
};
每RobbieE的建议下,我的子类QStyledItemDelegate 。 但是,当创建编辑器,不setEditorData申请完成者正确的地方。
class CompleterDelegate(QtGui.QStyledItemDelegate):
def __init__(self, parent=None, completerSetupFunction=None):
super(CompleterDelegate, self).__init__(parent)
self._completerSetupFunction = completerSetupFunction
def createEditor(self, parent, option, index):
editor = QtGui.QLineEdit(parent)
self._completerSetupFunction(editor, index)
return editor
然后我用一个completerSetupFunction,基本上是这样的:
def _completerSetupFunction(editor, index):
print "completer setup: editor=%s, index=%s" % (editor, index)
completer = QtGui.QCompleter(base_items, editor)
completer.setCompletionColumn(0)
completer.setCompletionRole(QtCore.Qt.EditRole)
completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
try:
editor.setCompleter(completer)
except:
pass
这里有一个完整的例子作为GitHub的要点 。