apps/plasma/applets/folderview/iconwidget.cpp

   1 /*
   2  *   Copyright © 2008 Fredrik Höglund <fredrik@kde.org>
   3  *
   4  *   This library is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU Library General Public
   6  *   License as published by the Free Software Foundation; either
   7  *   version 2 of the License, or (at your option) any later version.
   8  *
   9  *   This library is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *   Library General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU Library General Public License
  15  *   along with this library; see the file COPYING.LIB.  If not, write to
  16  *   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  *   Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "iconwidget.h"
  21
  22 #include <KDirModel>
  23 #include <KDirLister>
  24
  25 #include <konq_operations.h>
  26
  27 #include <Plasma/Corona>
  28 #include <QGraphicsSceneDragDropEvent>
  29
  30
  31 IconWidget::IconWidget(QGraphicsItem *parent)
  32     : Plasma::IconWidget(parent), m_model(0)
  33 {
  34     setAcceptDrops(true);
  35 }
  36
  37 IconWidget::~IconWidget()
  38 {
  39 }
  40
  41 void IconWidget::setModel(KDirModel *model)
  42 {
  43     m_model = model;
  44 }
  45
  46 void IconWidget::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
  47 {
  48     event->setAccepted(KUrl::List::canDecode(event->mimeData()));
  49 }
  50
  51 void IconWidget::dragMoveEvent(QGraphicsSceneDragDropEvent *event)
  52 {
  53     const QString appletMimeType = static_cast<Plasma::Corona*>(scene())->appletMimeType();
  54     event->setAccepted(!event->mimeData()->hasFormat(appletMimeType));
  55 }
  56
  57 void IconWidget::dropEvent(QGraphicsSceneDragDropEvent *event)
  58 {
  59     // If the dropped item is an applet, let the parent widget handle it
  60     const QString appletMimeType = static_cast<Plasma::Corona*>(scene())->appletMimeType();
  61     if (event->mimeData()->hasFormat(appletMimeType)) {
  62         event->ignore();
  63         return;
  64     }
  65
  66     QDropEvent ev(event->screenPos(), event->dropAction(), event->mimeData(),
  67                   event->buttons(), event->modifiers());
  68     KonqOperations::doDrop(m_model->dirLister()->rootItem(), m_model->dirLister()->url(),
  69                            &ev, event->widget());
  70 }
  71