/*
 * 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
{
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;
};

} // namespace gui

} // namespace lmms

#endif // LMMS_GUI_ENVELOPE_GRAPH_H