64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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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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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "decorationdelegate.h"
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#include "decorationmodel.h"
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#include <QPainter>
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#include <QSortFilterProxyModel>
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#include <QApplication>
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namespace KWin
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{
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const int margin = 5;
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DecorationDelegate::DecorationDelegate( QObject* parent )
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: QStyledItemDelegate( parent )
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{
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}
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DecorationDelegate::~DecorationDelegate()
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{
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}
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void DecorationDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index ) const
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{
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// highlight selected item
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QApplication::style()->drawControl( QStyle::CE_ItemViewItem, &option, painter );
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QPixmap pixmap = index.model()->data( index, DecorationModel::PixmapRole ).value<QPixmap>();
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const QSize previewArea = option.rect.size() - QSize( 2*margin, 2*margin );
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if( pixmap.isNull() || pixmap.size() != previewArea )
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{
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emit regeneratePreview( static_cast< const QSortFilterProxyModel* >( index.model() )->mapToSource( index ),
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previewArea );
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}
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else
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painter->drawPixmap( option.rect.topLeft() + QPoint( margin, margin ), pixmap );
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}
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QSize DecorationDelegate::sizeHint( const QStyleOptionViewItem& option, const QModelIndex& index ) const
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{
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Q_UNUSED( option )
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Q_UNUSED( index )
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return QSize( 450, 150 );
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}
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} // namespace KWin
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