/* Copyright (C) 2020, KylinSoft Co., Ltd.


 * This file is part of Kylin-Screenshot.
 * 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 <https://www.gnu.org/licenses/>.
*/

#pragma once

#include <QWidget>

class ColorPicker : public QWidget {
    Q_OBJECT
public:
    explicit ColorPicker(QWidget *parent = nullptr);

    QColor drawColor();

    void show();
    void hide();

signals:
    void colorSelected(QColor c);

protected:
    void paintEvent(QPaintEvent *);
    void mouseMoveEvent(QMouseEvent *);

    QVector<QRect> handleMask() const;

private:
    int m_colorAreaSize;
    QVector<QRect> m_colorAreaList;
    QVector<QColor> m_colorList;

    QColor m_uiColor, m_drawColor;
};
