File indexing completed on 2024-05-12 15:54:20

 /*
  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
 #include "KTextDocument.h"
 
 #include "KChartMath_p.h"
 
 #include <QRect>
 #include <QAbstractTextDocumentLayout>
 #include <QtDebug>
 #include <QTextBlock>
 
 // This is an internal class that mimicks some of the behavior of a
 // QLabel with rich text assigned, this is mostly a workaround around
 // QTextDocumentLayout not being a public class.
 
 KTextDocument::KTextDocument( QObject * p )
     : QTextDocument( p ),
       mHintValid( false ),
       mSizeHint(),
       mMinimumSizeHint()
 {
 
 }
 
 KTextDocument::KTextDocument( const QString & text, QObject * p )
     : QTextDocument( text, p ),
       mHintValid( false ),
       mSizeHint(),
       mMinimumSizeHint()
 {
 
 }
 
 KTextDocument::~KTextDocument() {}
 
 
 QSize KTextDocument::sizeHint()
 {
     if ( !mHintValid )
         (void)minimumSizeHint();
     return mSizeHint;
 }
 
 QSize KTextDocument::minimumSizeHint()
 {
     /*
     QTextCursor cursor( this );
     if ( ! cursor.atEnd() )
         cursor.movePosition( QTextCursor::NextBlock );
     qDebug() << "KTextDocument::minimumSizeHint() found:" << cursor.block().text();
     QSizeF s( documentLayout()->blockBoundingRect( cursor.block() ).size() );
     qDebug() << "KTextDocument::minimumSizeHint() found rect" << documentLayout()->blockBoundingRect( cursor.block());
     return QSize( static_cast<int>(s.width()),
                   static_cast<int>(s.height()) );
     */
 
     if ( mHintValid )
         return mMinimumSizeHint;
 
     mHintValid = true;
     mSizeHint = sizeForWidth( -1 );
     QSize sz(-1, -1);
 
     // PENDING(kalle) Cache
     sz.rwidth() = sizeForWidth( 0 ).width();
     sz.rheight() = sizeForWidth( 32000 ).height();
     if ( mSizeHint.height() < sz.height())
         sz.rheight() = mSizeHint.height();
 
     mMinimumSizeHint = sz;
     return sz;
 }
 
 
 QSize KTextDocument::sizeForWidth(int w)
 {
     Q_UNUSED( w );
 
     setPageSize(QSize(0, 100000));
 
     return documentLayout()->documentSize().toSize();
 }