WaveDisplay.h

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/*
 * Hydrogen
 * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net]
 * Copyright(c) 2008-2025 The hydrogen development team [hydrogen-devel@lists.sourceforge.net]
 *
 * http://www.hydrogen-music.org
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see https://www.gnu.org/licenses
 *
 */
 
#ifndef WAVE_DISPLAY
#define WAVE_DISPLAY
 
#include <QtGui>
#include <QtWidgets>
 
#include <core/Object.h>
#include <core/Preferences/Preferences.h>
#include "../Widgets/WidgetWithScalableFont.h"
 
namespace H2Core
{
        class InstrumentLayer;
}

class WaveDisplay :  public QWidget, protected WidgetWithScalableFont<8, 10, 12>,  public H2Core::Object<WaveDisplay>
{
    H2_OBJECT(WaveDisplay)
        Q_OBJECT
 
        public:
                explicit WaveDisplay(QWidget* pParent);
                ~WaveDisplay();
 
        
                virtual void    updateDisplay( std::shared_ptr<H2Core::InstrumentLayer> pLayer );
 
                virtual void    paintEvent( QPaintEvent *ev ) override;
                virtual void    resizeEvent( QResizeEvent * event ) override;
                virtual void    mouseDoubleClickEvent(QMouseEvent *ev) override;
                
                void                    setSampleNameAlignment(Qt::AlignmentFlag flag);
 
public slots:
                void onPreferencesChanged( H2Core::Preferences::Changes changes );
        
        signals:
                void doubleClicked(QWidget *pWidget);
 
        protected:
 
        void createBackground( QPainter* painter );
        
                Qt::AlignmentFlag                       m_SampleNameAlignment;
                QPixmap                                         m_Background;
                QString                                         m_sSampleName;
                int *                                           m_pPeakData;
                
                /*
                 * Used to re-initialise m_pPeakData if width has changed
                 */
                
                int                                                     m_nCurrentWidth;
                
                std::shared_ptr<H2Core::InstrumentLayer>        m_pLayer;
};
 
inline void WaveDisplay::setSampleNameAlignment(Qt::AlignmentFlag flag)
{
        m_SampleNameAlignment = flag;
}
 
#endif