File indexing completed on 2024-04-21 16:18:21

 /***************************************************************************
  *   SPDX-FileCopyrightText: 2013 Eike Hein <hein@kde.org>
  *   SPDX-License-Identifier: GPL-2.0-or-later
  ***************************************************************************/
 
 #include "draghelper.h"
 
 #include <QApplication>
 #include <QDrag>
 #include <QMimeData>
 #include <QQuickItem>
 
 using namespace Milou;
 
 DragHelper::DragHelper(QObject *parent)
     : QObject(parent)
     , m_dragIconSize(32)
 {
 }
 
 DragHelper::~DragHelper()
 {
 }
 
 int DragHelper::dragIconSize() const
 {
     return m_dragIconSize;
 }
 
 void DragHelper::setDragIconSize(int size)
 {
     if (m_dragIconSize != size) {
         m_dragIconSize = size;
 
         Q_EMIT dragIconSizeChanged();
     }
 }
 
 bool DragHelper::isDrag(int oldX, int oldY, int newX, int newY) const
 {
     return ((QPoint(oldX, oldY) - QPoint(newX, newY)).manhattanLength() >= QApplication::startDragDistance());
 }
 
 void DragHelper::startDrag(QQuickItem *item, QMimeData *mimeData, const QIcon &icon)
 {
     // This allows the caller to return, making sure we don't crash if
     // the caller is destroyed mid-drag
     // clang-format off
     QMetaObject::invokeMethod(this, "doDrag", Qt::QueuedConnection,
         Q_ARG(QQuickItem*, item), Q_ARG(QMimeData*, mimeData), Q_ARG(QIcon, icon));
     // clang-format on
 }
 
 void DragHelper::startDrag(QQuickItem *item, QMimeData *mimeData, const QString &iconName)
 {
     startDrag(item, mimeData, QIcon::fromTheme(iconName));
 }
 
 void DragHelper::doDrag(QQuickItem *item, QMimeData *mimeData, const QIcon &icon)
 {
     QDrag *drag = new QDrag(item);
     drag->setMimeData(mimeData);
 
     if (!icon.isNull()) {
         drag->setPixmap(icon.pixmap(m_dragIconSize, m_dragIconSize));
     }
 
     drag->exec();
 
     Q_EMIT dropped();
 }