TargetWaveDisplay.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 TARGET_WAVE_DISPLAY
#define TARGET_WAVE_DISPLAY
 
#include <QtGui>
#include <QtWidgets>
 
#include <core/Object.h>
#include <core/Basics/Sample.h>
#include <memory>
 
class SampleEditor;
 
namespace H2Core
{
        class InstrumentLayer;
        class EnvelopePoint;
}

class TargetWaveDisplay :  public QWidget,  public H2Core::Object<TargetWaveDisplay>
{
        H2_OBJECT(TargetWaveDisplay)
        Q_OBJECT
 
        public:
                explicit TargetWaveDisplay(QWidget* pParent);
                ~TargetWaveDisplay();
 
                enum EnvelopeEditMode {
                        VELOCITY = 0,
                        PAN = 1
                };
 
                void updateDisplay( std::shared_ptr<H2Core::InstrumentLayer> pLayer );
                void updateDisplayPointer();
                void paintLocatorEventTargetDisplay( int pos, bool last_event);
                virtual void paintEvent(QPaintEvent *ev) override;
                H2Core::Sample::PanEnvelope* get_pan() { return &m_PanEnvelope; }
                H2Core::Sample::VelocityEnvelope* get_velocity() { return &m_VelocityEnvelope; }
 
        private:
                QPixmap m_Background;
 
                QString m_sSampleName;
                QString m_sInfo;
 
                int m_nX;
                int m_nY;
                int m_nLocator;
 
                int *m_pPeakData_Left;
                int *m_pPeakData_Right;
 
                bool m_UpdatePosition;
                EnvelopeEditMode m_EditMode;
 
                int m_nSnapRadius;
 
                virtual void mouseMoveEvent(QMouseEvent *ev) override;
                virtual void mousePressEvent(QMouseEvent *ev) override;
                virtual void mouseReleaseEvent(QMouseEvent *ev) override;
 
                virtual void updateMouseSelection(QMouseEvent *ev);
                virtual void updateEnvelope();
 
                H2Core::Sample::PanEnvelope m_PanEnvelope;
                H2Core::Sample::VelocityEnvelope m_VelocityEnvelope;
 
                int m_nSelectedEnvelopePoint;
};
 
#endif