1
/********************************************************************
2
KWin - the KDE window manager
3
This file is part of the KDE project.
5
Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
7
This program is free software; you can redistribute it and/or modify
8
it under the terms of the GNU General Public License as published by
9
the Free Software Foundation; either version 2 of the License, or
10
(at your option) any later version.
12
This program is distributed in the hope that it will be useful,
13
but WITHOUT ANY WARRANTY; without even the implied warranty of
14
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
GNU General Public License for more details.
17
You should have received a copy of the GNU General Public License
18
along with this program. If not, see <http://www.gnu.org/licenses/>.
19
*********************************************************************/
20
#include "decorationdelegate.h"
21
#include "decorationmodel.h"
23
#include <QSortFilterProxyModel>
24
#include <QApplication>
31
DecorationDelegate::DecorationDelegate(QObject* parent)
32
: QStyledItemDelegate(parent)
36
DecorationDelegate::~DecorationDelegate()
40
void DecorationDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
42
// highlight selected item
43
QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &option, painter);
45
QPixmap pixmap = index.model()->data(index, DecorationModel::PixmapRole).value<QPixmap>();
47
const QSize previewArea = option.rect.size() - QSize(2 * margin, 2 * margin);
48
if (pixmap.isNull() || pixmap.size() != previewArea) {
49
emit regeneratePreview(static_cast< const QSortFilterProxyModel* >(index.model())->mapToSource(index),
52
painter->drawPixmap(option.rect.topLeft() + QPoint(margin, margin), pixmap);
55
QSize DecorationDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
59
return QSize(450, 150);