在 QStyledItemDelegate 中使用信号 closeEditor 的正确方法？
我正在重写 QStyledItemDelegate 类并重新实现 eventFilter 函数，以便我可以在检测到 Tab 按下时自定义编辑器行为。但是，以下内容不起作用。调用 closeEditor 信号的正确方法是什么？
class CustomDelegate(QStyledItemDelegate):
def __init__(self, parent=None):
super(CustomDelegate, self).__init__(parent)
def eventFilter(self, editor, event):
if (event.type() == QEvent.KeyPress and
event.key() == Qt.Key_Tab):
print "Tab captured in editor"
self.commitData.emit(editor) #This is working
self.closeEditor.emit(editor) #This does not seem to do anything??
return True
return QStyledItemDelegate.eventFilter(self,editor,event)
I am overriding the QStyledItemDelegate class and reimplementing the eventFilter function so I can customize the editor behavior when a Tab press is detected. However, the following is not working. What is the correct way to invoke the closeEditor signal?
class CustomDelegate(QStyledItemDelegate):
def __init__(self, parent=None):
super(CustomDelegate, self).__init__(parent)
def eventFilter(self, editor, event):
if (event.type() == QEvent.KeyPress and
event.key() == Qt.Key_Tab):
print "Tab captured in editor"
self.commitData.emit(editor) #This is working
self.closeEditor.emit(editor) #This does not seem to do anything??
return True
return QStyledItemDelegate.eventFilter(self,editor,event)
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这是一个老问题，但我刚刚遇到同样的问题并发现了这个问题。
我通过将
self.closeEditor.emit(editor)
行更改为
self.closeEditor.emit(editor, QAbstractItemDelegate.NoHint) 解决了这个问题。
commitData调用将setModelData。如果您不调用closeEditor，则当编辑器本身关闭时，将再次调用setModelData。This is an old question, but I just ran into the same issue and found this question.
I solved it by changing the
self.closeEditor.emit(editor)line to
self.closeEditor.emit(editor, QAbstractItemDelegate.NoHint).The
commitDatacall willsetModelData. If you don't callcloseEditor,setModelDatawill be called again as the editor itself will close.