listView.py 文件源码

def _doubleClicked(self, index):
        model = self.model()
        if model is None:
            return
        data = model.data(index)
        if isinstance(data, QColor):
            if QApplication.keyboardModifiers() & Qt.AltModifier:
                model.setData(index, QColor())
            else:
                dialog = QColorDialog(self)
                dialog.setCurrentColor(data)
                dialog.setOption(QColorDialog.ShowAlphaChannel)
                ret = dialog.exec_()
                if ret:
                    color = dialog.currentColor()
                    model.setData(index, color)

    # -------------------
    # Convenience methods
    # -------------------