/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2022 Olive Team
  Modifications Copyright (C) 2025 mikesolar

  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 3 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 <http://www.gnu.org/licenses/>.

***/

#ifndef NODEPARAMVIEWKEYFRAMECONTROL_H
#define NODEPARAMVIEWKEYFRAMECONTROL_H

#include <QPushButton>
#include <QWidget>

#include "node/param.h"
#include "widget/timetarget/timetarget.h"

namespace olive
{

class NodeParamViewKeyframeControl : public QWidget, public TimeTargetObject {
	Q_OBJECT
public:
	NodeParamViewKeyframeControl(bool right_align, QWidget *parent = nullptr);
	NodeParamViewKeyframeControl(QWidget *parent = nullptr)
		: NodeParamViewKeyframeControl(true, parent)
	{
	}

	const NodeInput &GetConnectedInput() const
	{
		return input_;
	}

	void SetInput(const NodeInput &input);

protected:
	virtual void TimeTargetDisconnectEvent(ViewerOutput *v) override;
	virtual void TimeTargetConnectEvent(ViewerOutput *v) override;

private:
	QPushButton *CreateNewToolButton(const QIcon &icon) const;

	void SetButtonsEnabled(bool e);

	rational GetCurrentTimeAsNodeTime() const;

	rational ConvertToViewerTime(const rational &r) const;

	QPushButton *prev_key_btn_;
	QPushButton *toggle_key_btn_;
	QPushButton *next_key_btn_;
	QPushButton *enable_key_btn_;

	NodeInput input_;

private slots:
	void ShowButtonsFromKeyframeEnable(bool e);

	void ToggleKeyframe(bool e);

	void UpdateState();

	void GoToPreviousKey();

	void GoToNextKey();

	void KeyframeEnableBtnClicked(bool e);

	void KeyframeEnableChanged(const NodeInput &input, bool e);
};

}

#endif // NODEPARAMVIEWKEYFRAMECONTROL_H