102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
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/****************************************************************************
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** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Chart library.
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**
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** Licensees holding valid commercial KD Chart licenses may use this file in
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** accordance with the KD Chart Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.com if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#include "KDTextDocument.h"
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#include <QRect>
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#include <QAbstractTextDocumentLayout>
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#include <QtDebug>
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#include <QTextBlock>
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#include <KDABLibFakes>
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// This is an internal class that mimicks some of the behavior of a
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// QLabel with rich text assigned, this is mostly a workaround around
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// QTextDocumentLayout not being a public class.
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KDTextDocument::KDTextDocument( QObject * p )
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: QTextDocument( p ),
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mHintValid( false ),
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mSizeHint(),
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mMinimumSizeHint()
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{
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}
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KDTextDocument::KDTextDocument( const QString & text, QObject * p )
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: QTextDocument( text, p ),
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mHintValid( false ),
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mSizeHint(),
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mMinimumSizeHint()
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{
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}
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KDTextDocument::~KDTextDocument() {}
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QSize KDTextDocument::sizeHint()
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{
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if( !mHintValid )
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(void)minimumSizeHint();
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return mSizeHint;
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}
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QSize KDTextDocument::minimumSizeHint()
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{
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/*
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QTextCursor cursor( this );
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if( ! cursor.atEnd() )
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cursor.movePosition( QTextCursor::NextBlock );
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qDebug() << "KDTextDocument::minimumSizeHint() found:" << cursor.block().text();
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QSizeF s( documentLayout()->blockBoundingRect( cursor.block() ).size() );
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qDebug() << "KDTextDocument::minimumSizeHint() found rect" << documentLayout()->blockBoundingRect( cursor.block());
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return QSize( static_cast<int>(s.width()),
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static_cast<int>(s.height()) );
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*/
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if( mHintValid )
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return mMinimumSizeHint;
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mHintValid = true;
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mSizeHint = sizeForWidth( -1 );
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QSize sz(-1, -1);
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// PENDING(kalle) Cache
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sz.rwidth() = sizeForWidth( 0 ).width();
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sz.rheight() = sizeForWidth( 32000 ).height();
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if( mSizeHint.height() < sz.height())
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sz.rheight() = mSizeHint.height();
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mMinimumSizeHint = sz;
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return sz;
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}
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QSize KDTextDocument::sizeForWidth(int w)
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{
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Q_UNUSED( w );
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setPageSize(QSize(0, 100000));
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return documentLayout()->documentSize().toSize();
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}
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