File indexing completed on 2024-05-12 04:20:44
0001 /* 0002 * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved. 0003 * 0004 * This file is part of the KGantt library. 0005 * 0006 * SPDX-License-Identifier: GPL-2.0-or-later 0007 */ 0008 0009 #include "kganttlistviewrowcontroller.h" 0010 #include "kganttlistviewrowcontroller_p.h" 0011 0012 #include <QAbstractProxyModel> 0013 #include <QScrollBar> 0014 0015 #include <cassert> 0016 0017 using namespace KGantt; 0018 0019 0020 0021 ListViewRowController::ListViewRowController( QListView* lv, QAbstractProxyModel* proxy ) 0022 : _d( new Private(lv,proxy) ) 0023 { 0024 } 0025 0026 ListViewRowController::~ListViewRowController() 0027 { 0028 delete _d; _d = nullptr; 0029 } 0030 0031 #define d d_func() 0032 0033 int ListViewRowController::headerHeight() const 0034 { 0035 return d->listview->viewport()->y()-d->listview->frameWidth(); 0036 } 0037 0038 int ListViewRowController::maximumItemHeight() const 0039 { 0040 return d->listview->fontMetrics().height(); 0041 } 0042 0043 int ListViewRowController::totalHeight() const 0044 { 0045 return d->listview->verticalScrollBar()->maximum()+d->listview->viewport()->height(); 0046 } 0047 0048 bool ListViewRowController::isRowVisible( const QModelIndex& _idx ) const 0049 { 0050 const QModelIndex idx = d->proxy->mapToSource( _idx ); 0051 assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) ); 0052 return d->listview->visualRect(idx).isValid(); 0053 } 0054 0055 bool ListViewRowController::isRowExpanded( const QModelIndex& _idx ) const 0056 { 0057 Q_UNUSED(_idx); 0058 0059 return false; 0060 } 0061 0062 Span ListViewRowController::rowGeometry( const QModelIndex& _idx ) const 0063 { 0064 const QModelIndex idx = d->proxy->mapToSource( _idx ); 0065 assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) ); 0066 QRect r = d->listview->visualRect(idx).translated( QPoint( 0, 0067 static_cast<Private::HackListView*>(d->listview)->verticalOffset() ) ); 0068 return Span( r.y(), r.height() ); 0069 } 0070 0071 QModelIndex ListViewRowController::indexAt( int height ) const 0072 { 0073 return d->proxy->mapFromSource( d->listview->indexAt( QPoint( 1,height ) ) ); 0074 } 0075 0076 QModelIndex ListViewRowController::indexAbove( const QModelIndex& _idx ) const 0077 { 0078 const QModelIndex idx = d->proxy->mapToSource( _idx ); 0079 return d->proxy->mapFromSource( idx.sibling( idx.row()-1, idx.column()) ); 0080 } 0081 0082 QModelIndex ListViewRowController::indexBelow( const QModelIndex& _idx ) const 0083 { 0084 const QModelIndex idx = d->proxy->mapToSource( _idx ); 0085 if ( !idx.isValid() || idx.column()!=0 ) return QModelIndex(); 0086 if ( idx.model()->rowCount(idx.parent())<idx.row()+1 ) return QModelIndex(); 0087 return d->proxy->mapFromSource( idx.sibling( idx.row()+1, idx.column()) ); 0088 } 0089