draglabel.cpp Example File
draganddrop/draggabletext/draglabel.cpp
/****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include <QtGui>
#include "draglabel.h"
DragLabel::DragLabel(const QString &text, QWidget *parent)
: QLabel(text, parent)
{
setAutoFillBackground(true);
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();
}
}