File indexing completed on 2024-05-19 04:48:39

 /****************************************************************************************
  * Copyright (c) 2008 Daniel Caleb Jones <danielcjones@gmail.com>                       *
  * Copyright (c) 2011 Ralf Engels <ralf-engels@gmx.de>                                  *
  *                                                                                      *
  * 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) version 3 or        *
  * any later version accepted by the membership of KDE e.V. (or its successor approved  *
  * by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of  *
  * version 3 of the license.                                                            *
  *                                                                                      *
  * 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 <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #include "DynamicBiasDelegate.h"
 #include "dynamic/DynamicModel.h"
 
 #include "App.h"
 // #include "Bias.h"
 // #include "core/support/Debug.h"
 
 #include <QApplication>
 #include <QPainter>
 
 PlaylistBrowserNS::DynamicBiasDelegate::DynamicBiasDelegate( QWidget* parent )
     : QStyledItemDelegate( parent )
 {
     m_smallFont.setPointSize( m_smallFont.pointSize() - 1 );
 
     m_normalFm = new QFontMetrics( m_normalFont );
     m_smallFm = new QFontMetrics( m_smallFont );
 }
 
 PlaylistBrowserNS::DynamicBiasDelegate::~DynamicBiasDelegate()
 {
     delete m_normalFm;
     delete m_smallFm;
 }
 
 void
 PlaylistBrowserNS::DynamicBiasDelegate::paint( QPainter* painter,
                                                const QStyleOptionViewItem& option,
                                                const QModelIndex& index ) const
 {
     Dynamic::AbstractBias* bias = nullptr;
     QVariant v;
     if( index.isValid() ) {
         v = index.model()->data( index, Dynamic::DynamicModel::BiasRole );
         if( v.isValid() )
             bias = qobject_cast<Dynamic::AbstractBias*>(v.value<QObject*>() );
     }
 
     // for a bias paint the operator (e.g. a small progress bar for the part bias) in front of it
     if( bias )
     {
         QModelIndex parentIndex = index.parent();
         Dynamic::AbstractBias* parentBias = nullptr;
 
         //const bool isRTL = QApplication::isRightToLeft();
         //Q_UNUSED( isRTL );
 
         v = parentIndex.model()->data( parentIndex, Dynamic::DynamicModel::BiasRole );
         if( v.isValid() )
             parentBias = qobject_cast<Dynamic::AbstractBias*>(v.value<QObject*>() );
 
         if( parentBias )
         {
             // sub-biases have a operator drawn in front of them.
             const int operatorWidth = m_smallFm->boundingRect( QStringLiteral("mmmm") ).width();
 
             // draw the selection
             QApplication::style()->drawPrimitive( QStyle::PE_PanelItemViewItem, &option, painter );
 
             // TODO: isRTL
 
             // -- paint the operator
             QRect operatorRect( option.rect.x(), option.rect.y(),
                                 operatorWidth, option.rect.height() );
             painter->setFont( m_smallFont );
             parentBias->paintOperator( painter, operatorRect, bias );
 
             // -- paint the normal text
             QRect textRect( option.rect.x() + operatorWidth, option.rect.y(),
                             option.rect.width() - operatorWidth, option.rect.height() );
             painter->setFont( m_normalFont );
             const QString text = index.data( Qt::DisplayRole ).toString();
             painter->drawText( textRect, Qt::TextWordWrap, text );
         }
         else
         {
             QStyledItemDelegate::paint( painter, option, index );
         }
 
     }
     else
     {
         QStyledItemDelegate::paint( painter, option, index );
     }
 
 }