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a9d097cad9
We copy the QString, so it makes sense to accept it by value and _move_ it into the collection instead. This causes the caller to move any rvalue QString into the function, and then the QString is never actually copied at all.
93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/*
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* ComboBoxModel.h - declaration of class ComboBoxModel
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*
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* Copyright (c) 2008-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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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 <memory>
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#include <utility>
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#include <vector>
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#include "AutomatableModel.h"
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#include "embed.h"
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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& displayName = QString(),
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bool isDefaultConstructed = false ) :
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IntModel( 0, 0, 0, parent, displayName, isDefaultConstructed )
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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( QString item, std::unique_ptr<PixmapLoader> loader = nullptr );
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void clear();
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int findText( const QString& txt ) const;
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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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const PixmapLoader* currentData() const
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{
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return m_items[value()].second.get();
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}
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const QString & itemText( int i ) const
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{
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return m_items[qBound<int>( minValue(), i, maxValue() )].first;
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}
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const PixmapLoader* itemPixmap( int i ) const
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{
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return m_items[qBound<int>( minValue(), i, maxValue() )].second.get();
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}
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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 std::pair<QString, std::unique_ptr<PixmapLoader> > Item;
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std::vector<Item> m_items;
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} ;
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#endif
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