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109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/****************************************************************************
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** Copyright (C) 2001-2006 Klarälvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Gantt library.
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.
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**
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** Licensees holding valid commercial KD Gantt licenses may use this file in
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** accordance with the KD Gantt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** See http://www.kdab.net/kdgantt for
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** information about KD Gantt Commercial License Agreements.
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**
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** Contact info@kdab.net if any conditions of this
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** licensing are not clear to you.
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**
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**********************************************************************/
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#include "kdganttlistviewrowcontroller.h"
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#include "kdganttlistviewrowcontroller_p.h"
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#include <QAbstractProxyModel>
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#include <QScrollBar>
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#include <cassert>
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using namespace KDGantt;
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/*!\class TreeViewRowController
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* This is an implementation of AbstractRowController that
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* aligns a gantt view with a QListView. Provided for
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* convenience for users who want to use View with QListView
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* instead of QTreeView.
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*/
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ListViewRowController::ListViewRowController( QListView* lv, QAbstractProxyModel* proxy )
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: _d( new Private(lv,proxy) )
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{
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}
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ListViewRowController::~ListViewRowController()
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{
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delete _d; _d = 0;
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}
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#define d d_func()
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int ListViewRowController::headerHeight() const
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{
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return d->listview->viewport()->y()-d->listview->frameWidth();
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}
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int ListViewRowController::maximumItemHeight() const
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{
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return d->listview->fontMetrics().height();
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}
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int ListViewRowController::totalHeight() const
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{
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return d->listview->verticalScrollBar()->maximum()+d->listview->viewport()->height();
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}
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bool ListViewRowController::isRowVisible( const QModelIndex& _idx ) const
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{
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const QModelIndex idx = d->proxy->mapToSource( _idx );
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assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
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return d->listview->visualRect(idx).isValid();
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}
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bool ListViewRowController::isRowExpanded( const QModelIndex& _idx ) const
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{
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Q_UNUSED( _idx );
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return false;
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}
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Span ListViewRowController::rowGeometry( const QModelIndex& _idx ) const
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{
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const QModelIndex idx = d->proxy->mapToSource( _idx );
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assert( idx.isValid() ? ( idx.model() == d->listview->model() ):( true ) );
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QRect r = d->listview->visualRect(idx).translated( QPoint( 0,
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static_cast<Private::HackListView*>(d->listview)->verticalOffset() ) );
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return Span( r.y(), r.height() );
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}
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QModelIndex ListViewRowController::indexAt( int height ) const
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{
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return d->proxy->mapFromSource( d->listview->indexAt( QPoint( 1,height ) ) );
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}
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QModelIndex ListViewRowController::indexAbove( const QModelIndex& _idx ) const
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{
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const QModelIndex idx = d->proxy->mapToSource( _idx );
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return d->proxy->mapFromSource( idx.sibling( idx.row()-1, idx.column()) );
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}
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QModelIndex ListViewRowController::indexBelow( const QModelIndex& _idx ) const
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{
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const QModelIndex idx = d->proxy->mapToSource( _idx );
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if( !idx.isValid() || idx.column()!=0 ) return QModelIndex();
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if( idx.model()->rowCount(idx.parent())<idx.row()+1 ) return QModelIndex();
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return d->proxy->mapFromSource( idx.sibling( idx.row()+1, idx.column()) );
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}
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