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# 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.
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        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        #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();
            }
        }