大家好,我有从 Qtreeview 继承的类,并且我实现了简单(空)mousePressEvent 函数
但是每当我尝试这样做时,Qtreeview 中的项目选择被禁用,当我删除此函数时,一切正常
我在这里缺少什么?
这是代码:
void MyTreeWidget::mousePressEvent(QMouseEvent *event)
{
QModelIndex index = this->indexAt(event->pos());
QAbstractItemModel *model = this->model();
QMap<int, QVariant> ItemData = model->itemData(index);
QMap<int, QVariant>::const_iterator i = ItemData.constBegin();
while (i != ItemData.constEnd()) {
QString k = QString::number(i.key());
QString v = i.value().toString();
++i;
}
if (event->button() == Qt::LeftButton) {
QByteArray itemData ;
QString urlTo;
itemData.append(urlTo);
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setData("application/x-dnditemdata", itemData);
drag->setMimeData(mimeData);
Qt::DropAction dropAction = drag->exec(Qt::MoveAction);
if (dropAction == Qt::MoveAction)
{
UT::getInstance()->LogToFile("dropAction");
}
}
QTreeView::mousePressEvent(event);
}