|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# draglabel.cpp Example File
draganddrop/draggabletext/draglabel.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
     ** http://www.trolltech.com/products/qt/opensource.html
     **
     ** If you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://www.trolltech.com/products/qt/licensing.html or contact the
     ** sales department at sales@trolltech.com.
     **
     ** 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();
         }
     }