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68c9d227d0
Moving empty destructors out of the .cpp files and into headers allows them to be devirtualized in certain cases. (When the compiler can't "see" a function in a header, it must largely assume it's some black box that the linker will resolve.) While we're at it, use C++11's `= default` to define empty virtual desturctors for us. For some classes (e.g., Piano), nothing is derived from it, so we can mark the class as final and remove any explicit virtual dtor. There are many other places where this can be done, but this is a large enough patch as-is.
89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
/*
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* TabBar.h - class tabBar
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*
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* Copyright (c) 2004-2008 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 TAB_BAR_H
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#define TAB_BAR_H
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#include <QtCore/QMap>
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#include <QLayout>
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#include <QWidget>
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#include "export.h"
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class TabButton;
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class EXPORT TabBar : public QWidget
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{
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Q_OBJECT
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public:
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TabBar( QWidget * _parent,
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QBoxLayout::Direction _dir = QBoxLayout::LeftToRight );
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virtual ~TabBar() = default;
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TabButton * addTab( QWidget * _w, const QString & _text,
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int _id, bool _add_stretch = false,
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bool _text_is_tooltip = false );
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void removeTab( int _id );
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inline void setExclusive( bool _on )
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{
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m_exclusive = _on;
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}
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int activeTab();
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public slots:
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void setActiveTab( int _id );
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protected:
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bool tabState( int _id );
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void setTabState( int _id, bool _checked );
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bool allHidden();
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protected slots:
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void hideAll( int _exception = -1 );
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void tabClicked( int _id );
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private:
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QMap<int, QPair<TabButton *, QWidget *> > m_tabs;
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QBoxLayout * m_layout;
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bool m_exclusive;
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signals:
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void allWidgetsHidden();
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void widgetShown();
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} ;
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#endif
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