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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.
    **
    ** 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();
        }
    }