draglabel.cpp Example File
draganddrop/draggabletext/draglabel.cpp
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#include <QtGui>
#include "draglabel.h"
DragLabel::DragLabel(const QString &text, QWidget *parent)
: QLabel(text, parent)
{
setFrameShape(QFrame::Panel);
setFrameShadow(QFrame::Raised);
}
void DragLabel::mousePressEvent(QMouseEvent *event)
{
QString plainText = text(); // for quoting purposes
QMimeData *mimeData = new QMimeData;
mimeData->setText(plainText);
QDrag *drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setHotSpot(event->pos() - rect().topLeft());
Qt::DropAction dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
if (dropAction == Qt::MoveAction) {
close();
update();
}
}