libs/widgets/KoIconToolTip.cpp

0001 /* This file is part of the KDE project
0002    Copyright (c) 1999 Carsten Pfeiffer <pfeiffer@kde.org>
0003    Copyright (c) 2002 Igor Jansen <rm@kde.org>
0004    Copyright (c) 2007 Jan Hambrecht <jaham@gmx.net>
0005
0006    This library is free software; you can redistribute it and/or
0007    modify it under the terms of the GNU Library General Public
0008    License as published by the Free Software Foundation; either
0009    version 2 of the License, or (at your option) any later version.
0010
0011    This library is distributed in the hope that it will be useful,
0012    but WITHOUT ANY WARRANTY; without even the implied warranty of
0013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014    Library General Public License for more details.
0015
0016    You should have received a copy of the GNU Library General Public License
0017    along with this library; see the file COPYING.LIB.  If not, write to
0018    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
0019  * Boston, MA 02110-1301, USA.
0020 */
0021
0022 #include "KoIconToolTip.h"
0023
0024 #include <QTextDocument>
0025 #include <QUrl>
0026
0027 #include <KoResourceModel.h>
0028
0029 // #include <WidgetsDebug.h>
0030
0031 QTextDocument *KoIconToolTip::createDocument( const QModelIndex &index )
0032 {
0033     QTextDocument *doc = new QTextDocument( this );
0034
0035     QImage thumb = index.data( KoResourceModel::LargeThumbnailRole ).value<QImage>();
0036     doc->addResource( QTextDocument::ImageResource, QUrl( "data:thumbnail" ), thumb );
0037
0038     QString name = index.data( Qt::DisplayRole ).toString();
0039
0040     const QString image = QString( "<image src=\"data:thumbnail\">" );
0041     const QString body = QString( "<h3 align=\"center\">%1</h3>" ).arg( name ) + image;
0042     const QString html = QString( "<html><body>%1</body></html>" ).arg( body );
0043
0044     doc->setHtml( html );
0045     doc->setTextWidth( qMin( doc->size().width(), qreal(500.0) ) );
0046
0047     return doc;
0048 }