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61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2013 by Eike Hein <hein@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
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***************************************************************************/
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#include "draghelper.h"
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#include <Plasma/Applet>
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#include <QApplication>
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#include <QDrag>
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#include <QGraphicsView>
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#include <QMimeData>
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DragHelper::DragHelper(QObject* parent): QObject(parent)
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{
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}
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DragHelper::~DragHelper()
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{
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}
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bool DragHelper::isDrag(int oldX, int oldY, int newX, int newY) const
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{
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return ((QPoint(oldX, oldY) - QPoint(newX, newY)).manhattanLength() >= QApplication::startDragDistance());
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}
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void DragHelper::startDrag(const QString &mimeType, const QVariant &mimeData,
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const QUrl &url, const QIcon &icon) const
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{
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QList<QUrl> urlList;
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urlList.append(url);
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QMimeData *dragData = new QMimeData();
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dragData->setData(mimeType, mimeData.toByteArray());
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dragData->setUrls(urlList);
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QDrag *drag = new QDrag(static_cast<Plasma::Applet *>(parent())->view());
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drag->setMimeData(dragData);
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drag->setPixmap(icon.pixmap(QSize(48, 48)));
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drag->setHotSpot(QPoint(drag->pixmap().width() / 2, drag->pixmap().height() / 2));
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drag->exec();
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emit dropped();
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}
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