EnvelopeGraph.h

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/*
 * EnvelopeGraph.h - Displays envelope graphs
 *
 * Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
 * Copyright (c) 2024-     Michael Gregorius
 *
 * This file is part of LMMS - https://lmms.io
 *
 * 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 (see COPYING); if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301 USA.
 *
 */
 
#ifndef LMMS_GUI_ENVELOPE_GRAPH_H
#define LMMS_GUI_ENVELOPE_GRAPH_H
 
#include <QWidget>
 
#include "ModelView.h"
#include "embed.h"
 
namespace lmms
{
 
class EnvelopeAndLfoParameters;
 
namespace gui
{
 
class EnvelopeGraph : public QWidget, public ModelView
{
    Q_OBJECT
    Q_PROPERTY(QColor noAmountColor MEMBER m_noAmountColor)
    Q_PROPERTY(QColor fullAmountColor MEMBER m_fullAmountColor)
    Q_PROPERTY(QColor markerFillColor MEMBER m_markerFillColor)
    Q_PROPERTY(QColor markerOutlineColor MEMBER m_markerOutlineColor)
 
public:
    enum class ScalingMode
    {
        Dynamic,
        Absolute,
        Relative
    };
 
public:
    EnvelopeGraph(QWidget* parent);
 
protected:
    void modelChanged() override;
 
    void mousePressEvent(QMouseEvent*) override;
    void contextMenuEvent(QContextMenuEvent*) override;
    void paintEvent(QPaintEvent*) override;
 
private:
    void toggleAmountModel();
 
private:
    QPixmap m_envGraph = embed::getIconPixmap("envelope_graph");
 
    EnvelopeAndLfoParameters* m_params = nullptr;
 
    ScalingMode m_scaling = ScalingMode::Dynamic;
 
    QColor m_noAmountColor;
    QColor m_fullAmountColor;
    QColor m_markerFillColor;
    QColor m_markerOutlineColor;
};
 
} // namespace gui
 
} // namespace lmms
 
#endif // LMMS_GUI_ENVELOPE_GRAPH_H