File indexing completed on 2024-05-12 15:54:28

 /*
  * Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB.  All rights reserved.
  *
  * This file is part of the KGantt 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 "kganttlistviewrowcontroller.h"
 #include "kganttlistviewrowcontroller_p.h"
 
 #include <QAbstractProxyModel>
 #include <QScrollBar>
 
 #include <cassert>
 
 using namespace KGantt;
 
 
 
 ListViewRowController::ListViewRowController( QListView* lv, QAbstractProxyModel* proxy )
   : _d( new Private(lv,proxy) )
 {
 }
 
 ListViewRowController::~ListViewRowController()
 {
     delete _d; _d = nullptr;
 }
 
 #define d d_func()
 
 int ListViewRowController::headerHeight() const
 {
     return d->listview->viewport()->y()-d->listview->frameWidth();
 }
 
 int ListViewRowController::maximumItemHeight() const
 {
     return d->listview->fontMetrics().height();
 }
 
 int ListViewRowController::totalHeight() const
 {
     return d->listview->verticalScrollBar()->maximum()+d->listview->viewport()->height();
 }
 
 bool ListViewRowController::isRowVisible( const QModelIndex& _idx ) const
 {
     const QModelIndex idx = d->proxy->mapToSource( _idx );
     assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
     return d->listview->visualRect(idx).isValid();
 }
 
 bool ListViewRowController::isRowExpanded( const QModelIndex& _idx ) const
 {
     Q_UNUSED(_idx);
 
     return false;
 }
 
 Span ListViewRowController::rowGeometry( const QModelIndex& _idx ) const
 {
     const QModelIndex idx = d->proxy->mapToSource( _idx );
     assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
     QRect r = d->listview->visualRect(idx).translated( QPoint( 0,
           static_cast<Private::HackListView*>(d->listview)->verticalOffset() ) );
     return Span( r.y(), r.height() );
 }
 
 QModelIndex ListViewRowController::indexAt( int height ) const
 {
     return d->proxy->mapFromSource( d->listview->indexAt( QPoint( 1,height ) ) );
 }
 
 QModelIndex ListViewRowController::indexAbove( const QModelIndex& _idx ) const
 {
     const QModelIndex idx = d->proxy->mapToSource( _idx );
     return d->proxy->mapFromSource( idx.sibling( idx.row()-1, idx.column()) );
 }
 
 QModelIndex ListViewRowController::indexBelow( const QModelIndex& _idx ) const
 {
     const QModelIndex idx = d->proxy->mapToSource( _idx );
     if ( !idx.isValid() || idx.column()!=0 ) return QModelIndex();
     if ( idx.model()->rowCount(idx.parent())<idx.row()+1 ) return QModelIndex();
     return d->proxy->mapFromSource( idx.sibling( idx.row()+1, idx.column()) );
 }