在 2013年7月19日星期五UTC+8下午6时44分08秒，Justin Israel写道：
> I'm failing to see why it causes the recursion error (its probably too late
> at night for me to be looking at code). But it shouldn't be an issue to catch
> it and pass. Your main widget doesn't really have anything to do for a wheel
> event on its own anyways:
>
>
>
>
> class BoxLayout(QWidget):
>
>
> def __init__(self, parent=None):
> super(BoxLayout, self).__init__(parent)
> self.resize(100, 300)
>
>
>
> ok = QPushButton("OK", self)
> cancel = QPushButton("Cancel", self)
>
>
> self.textEdit = QTextEdit("x"*10000, self)
> self.textEdit2 = QTextEdit("y"*10000, self)
>
>
> vbox = QVBoxLayout()
> vbox.addWidget(self.textEdit)
> vbox.addWidget(self.textEdit2)
> vbox.addWidget(ok)
> vbox.addWidget(cancel)
>
> self.setLayout(vbox)
>
>
> def wheelEvent(self, event):
> try:
> if event.type() == event.Wheel:
> self.textEdit.wheelEvent(event)
>
> event.accept()
> except RuntimeError:
> pass
>
the error is still there ,have you tried your code ?
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