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d60e4d48b3
Catch the case the model is empty in ComboBoxModel::currentText() and return an empty string instead of crashing. Fixes crash with settings dialog if no sound devices are accessible via PortAudio.
94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
/*
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* ComboBoxModel.h - declaration of class ComboBoxModel
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*
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* Copyright (c) 2008-2011 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _COMBOBOX_MODEL_H
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#define _COMBOBOX_MODEL_H
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#include <QtCore/QVector>
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#include <QtCore/QPair>
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#include "AutomatableModel.h"
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#include "templates.h"
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class PixmapLoader;
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class EXPORT ComboBoxModel : public IntModel
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{
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Q_OBJECT
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public:
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ComboBoxModel( Model * _parent = NULL,
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const QString & _display_name = QString(),
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bool _default_constructed = false ) :
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IntModel( 0, 0, 0, _parent, _display_name,
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_default_constructed )
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{
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}
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virtual ~ComboBoxModel()
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{
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clear();
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}
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void addItem( const QString & _item, PixmapLoader * _loader = NULL );
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void clear();
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int findText( const QString & _txt ) const;
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inline QString currentText() const
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{
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return ( size() > 0 && value() < size() ) ? m_items[value()].first : QString();
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}
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inline const PixmapLoader * currentData() const
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{
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return m_items[value()].second;
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}
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inline const QString & itemText( int _i ) const
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{
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return m_items[tLimit<int>( _i, minValue(), maxValue() )].first;
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}
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inline const PixmapLoader * itemPixmap( int _i ) const
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{
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return m_items[tLimit<int>( _i, minValue(), maxValue() )].second;
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}
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inline int size() const
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{
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return m_items.size();
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}
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private:
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typedef QPair<QString, PixmapLoader *> Item;
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QVector<Item> m_items;
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} ;
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#endif
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