/* Copyright 2020, Michele Santullo
 * This file is part of memoserv.
 *
 * Memoserv 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.
 *
 * Memoserv 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 Memoserv.  If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include "../animated_pixmap.hpp"
#include <QWidget>
#include <QPixmap>
#include <memory>
#include <vector>

class QTimer;

namespace duck::widget {
class BlockGrid : public QWidget {
	Q_OBJECT
public:
	explicit BlockGrid (QWidget* parent=nullptr, unsigned int rows=0, unsigned int columns=0, float fps=24.0f);
	~BlockGrid() noexcept;

	QSize minimumSizeHint() const override;
	QSize sizeHint() const override;

	void set_icon_size (const QSize& sz);
	void set_icon_size (int sz);
	QSize icon_size() const;

	void push_back (AnimatedPixmap&& anim);
	std::size_t size() const;

protected:
	void paintEvent (QPaintEvent* event) override;

private slots:
	void advance_frame();

private:
	unsigned int rows() const;
	unsigned int columns() const;

	std::vector<AnimatedPixmap> m_icons;
	QTimer* m_anim_timer;
	std::unique_ptr<QPixmap> m_empty_icon;
	QSize m_icon_size;
	unsigned int m_rows;
	unsigned int m_columns;
};
} //namespace duck::widget