File indexing completed on 2024-05-05 04:51:41

 /*
     SPDX-FileCopyrightText: 2010 Michal Malek <michalm@jabster.pl>
     SPDX-FileCopyrightText: 1998-2010 Sebastian Trueg <trueg@k3b.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "k3baudioprojectdelegate.h"
 #include "k3baudioprojectmodel.h"
 
 #include <QIcon>
 #include <QKeyEvent>
 #include <QAbstractItemView>
 
 namespace K3b {
 
 
 AudioProjectDelegate::AudioProjectDelegate( QAbstractItemView& view, QObject* parent )
 :
     QStyledItemDelegate( parent ),
     m_view( view )
 {
 }
 
 
 AudioProjectDelegate::~AudioProjectDelegate()
 {
 }
 
 
 QWidget* AudioProjectDelegate::createEditor( QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index ) const
 {
     m_current = index;
     QWidget* widget = QStyledItemDelegate::createEditor( parent, option, index );
     widget->installEventFilter( const_cast<AudioProjectDelegate*>( this ) );
     return widget;
 }
 
 
 void AudioProjectDelegate::setPlayingTrack( const QModelIndex& index )
 {
     if( m_playingTrack.isValid() ) {
         m_view.viewport()->update( m_view.visualRect( m_playingTrack ) );
     }
 
     if( index.isValid() ) {
         m_playingTrack = index.model()->index( index.row(), AudioProjectModel::TitleColumn );
         m_view.viewport()->update( m_view.visualRect( m_playingTrack ) );
     }
     else {
         m_playingTrack = QPersistentModelIndex();
     }
 }
 
 
 void AudioProjectDelegate::initStyleOption( QStyleOptionViewItem* option, const QModelIndex& index ) const
 {
     QStyledItemDelegate::initStyleOption( option, index );
     if( index.isValid() && index == m_playingTrack ) {
         option->icon = QIcon::fromTheme( "media-playback-start" );
         option->features |= QStyleOptionViewItem::HasDecoration;
     }
 }
 
 
 bool AudioProjectDelegate::eventFilter( QObject* object, QEvent* event )
 {
     if( event->type() == QEvent::KeyPress ) {
         QKeyEvent* keyEvent = dynamic_cast<QKeyEvent*>( event );
         if( keyEvent->key() == Qt::Key_Return ) {
             QWidget* editor = dynamic_cast<QWidget*>( object );
             Q_EMIT commitData( editor );
             if( m_current.row() < m_current.model()->rowCount( m_current.parent() ) - 1 )
                 Q_EMIT closeEditor( editor, EditNextItem );
             else
                 Q_EMIT closeEditor( editor, NoHint );
             event->accept();
             return true;
         }
         else if( keyEvent->key() == Qt::Key_Up ) {
             Q_EMIT closeEditor( dynamic_cast<QWidget*>( object ), EditPreviousItem );
             event->accept();
             return true;
         }
         else if( keyEvent->key() == Qt::Key_Down ) {
             Q_EMIT closeEditor( dynamic_cast<QWidget*>( object ), EditNextItem );
             event->accept();
             return true;
         }
     }
     return QStyledItemDelegate::eventFilter( object, event );
 }
 
 } // namespace K3b
 
 #include "moc_k3baudioprojectdelegate.cpp"