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/***************************************************************************
* Copyright (C) 2007 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "draganddrophelper.h"
#include <kdirmodel.h>
#include <kicon.h>
#include <QAbstractItemView>
#include <QAbstractProxyModel>
#include <QBrush>
#include <QDrag>
#include <QPainter>
#include <QRect>
#include <QWidget>
void DragAndDropHelper::startDrag(QAbstractItemView* itemView, Qt::DropActions supportedActions)
{
QModelIndexList indexes = itemView->selectionModel()->selectedIndexes();
if (indexes.count() > 0) {
QMimeData *data = itemView->model()->mimeData(indexes);
if (data == 0) {
return;
}
QDrag* drag = new QDrag(itemView);
QPixmap pixmap;
if (indexes.count() == 1) {
QAbstractProxyModel* proxyModel = static_cast<QAbstractProxyModel*>(itemView->model());
KDirModel* dirModel = static_cast<KDirModel*>(proxyModel->sourceModel());
const QModelIndex index = proxyModel->mapToSource(indexes.first());
const KFileItem item = dirModel->itemForIndex(index);
pixmap = item.pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
} else {
pixmap = KIcon("item-drag-multiple").pixmap(KIconLoader::SizeMedium, KIconLoader::SizeMedium);
}
drag->setPixmap(pixmap);
drag->setMimeData(data);
drag->exec(supportedActions);
}
}
void DragAndDropHelper::drawHoverIndication(QWidget* widget,
const QRect& bounds,
const QBrush& brush)
{
QPainter painter(widget);
painter.save();
QBrush blendedBrush(brush);
QColor color = blendedBrush.color();
color.setAlpha(64);
blendedBrush.setColor(color);
const int radius = 10;
QPainterPath path(QPointF(bounds.left(), bounds.top() + radius));
path.quadTo(bounds.left(), bounds.top(), bounds.left() + radius, bounds.top());
path.lineTo(bounds.right() - radius, bounds.top());
path.quadTo(bounds.right(), bounds.top(), bounds.right(), bounds.top() + radius);
path.lineTo(bounds.right(), bounds.bottom() - radius);
path.quadTo(bounds.right(), bounds.bottom(), bounds.right() - radius, bounds.bottom());
path.lineTo(bounds.left() + radius, bounds.bottom());
path.quadTo(bounds.left(), bounds.bottom(), bounds.left(), bounds.bottom() - radius);
path.closeSubpath();
painter.setRenderHint(QPainter::Antialiasing);
painter.fillPath(path, blendedBrush);
painter.restore();
}
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