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https://bitbucket.org/smil3y/kde-workspace.git
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65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
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/* This file is part of the KDE libraries and the Kate part.
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*
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* Copyright (C) 2007 David Nolden <david.nolden.kdevelop@art-master.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "expandingtree.h"
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#include <QTextLayout>
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#include <QTextDocument>
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#include <QAbstractTextDocumentLayout>
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#include <QPainter>
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#include <kdebug.h>
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#include "expandingwidgetmodel.h"
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ExpandingTree::ExpandingTree(QWidget* parent) : QTreeView(parent) {
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m_drawText.documentLayout()->setPaintDevice(this);
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setUniformRowHeights(false);
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}
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void ExpandingTree::drawRow ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const {
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QTreeView::drawRow( painter, option, index );
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const ExpandingWidgetModel* eModel = qobject_cast<const ExpandingWidgetModel*>(model());
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if( eModel && eModel->isPartiallyExpanded( index ) )
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{
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QRect rect = eModel->partialExpandRect( index );
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if( rect.isValid() )
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{
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painter->fillRect(rect,QBrush(0xffffffff));
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QAbstractTextDocumentLayout::PaintContext ctx;
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// since arbitrary HTML can be shown use a black on white color scheme here
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ctx.palette = QPalette( Qt::black, Qt::white );
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ctx.clip = QRectF(0,0,rect.width(),rect.height());;
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painter->setViewTransformEnabled(true);
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painter->translate(rect.left(), rect.top());
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m_drawText.setHtml( eModel->partialExpandText( index ) );
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m_drawText.setPageSize(QSizeF(rect.width(), rect.height()));
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m_drawText.documentLayout()->draw( painter, ctx );
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painter->translate(-rect.left(), -rect.top());
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}
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}
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}
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int ExpandingTree::sizeHintForColumn ( int column ) const {
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return columnWidth( column );
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}
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