mirror of
https://invent.kde.org/graphics/okular
synced 2024-07-17 02:37:04 +00:00
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/***************************************************************************
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* Copyright (C) 2006 by Pino Toscano <pino@kde.org> *
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* *
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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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***************************************************************************/
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#include "pageitemdelegate.h"
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// qt/kde includes
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#include <qapplication.h>
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#include <QItemDelegate>
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#include <QModelIndex>
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#include <QTextDocument>
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#include <qvariant.h>
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// local includes
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#include "settings.h"
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#define PAGEITEMDELEGATE_INTERNALMARGIN 3
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class PageItemDelegate::Private
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{
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public:
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Private()
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{}
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QModelIndex index;
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};
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PageItemDelegate::PageItemDelegate( QObject * parent )
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: QItemDelegate( parent ), d( new Private )
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{
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}
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PageItemDelegate::~PageItemDelegate()
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{
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delete d;
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}
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void PageItemDelegate::paint( QPainter *painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const
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{
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d->index = index;
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QItemDelegate::paint( painter, option, index );
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}
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void PageItemDelegate::drawDisplay( QPainter *painter, const QStyleOptionViewItem & option, const QRect & rect, const QString & text ) const
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{
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QVariant pageVariant = d->index.data( PageRole );
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QVariant labelVariant = d->index.data( PageLabelRole );
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if ( ( labelVariant.type() != QVariant::String && !pageVariant.canConvert( QVariant::String ) ) || !Okular::Settings::tocPageColumn() )
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{
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QItemDelegate::drawDisplay( painter, option, rect, text );
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return;
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}
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QString label = labelVariant.toString();
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QString page = label.isEmpty() ? pageVariant.toString() : label;
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QTextDocument document;
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document.setPlainText( page );
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document.setDefaultFont( option.font );
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int margindelta = QApplication::style()->pixelMetric( QStyle::PM_FocusFrameHMargin ) + 1;
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int pageRectWidth = (int)document.size().width();
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QRect newRect( rect );
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QRect pageRect( rect );
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pageRect.setWidth( pageRectWidth + 2 * margindelta );
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newRect.setWidth( newRect.width() - pageRectWidth - PAGEITEMDELEGATE_INTERNALMARGIN );
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if ( option.direction == Qt::RightToLeft )
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newRect.translate( pageRectWidth + PAGEITEMDELEGATE_INTERNALMARGIN, 0 );
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else
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pageRect.translate( newRect.width() + PAGEITEMDELEGATE_INTERNALMARGIN - 2 * margindelta, 0 );
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QItemDelegate::drawDisplay( painter, option, newRect, text );
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QStyleOptionViewItemV2 newoption( option );
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newoption.displayAlignment = ( option.displayAlignment & ~Qt::AlignHorizontal_Mask ) | Qt::AlignRight;
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QItemDelegate::drawDisplay( painter, newoption, pageRect, page );
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}
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#include "pageitemdelegate.moc"
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