/***************************************************************************
 *   Copyright (c) 2022 WandererFan <wandererfan@gmail.com>                *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

//based on a python widget from:
//https://github.com/tcalmant/demo-ipopo-qt/blob/master/pc/details/compass.py

#ifndef COMPASSDIALWIDGET_H
#define COMPASSDIALWIDGET_H

#include <QWidget>
#include <QSize>

namespace TechDrawGui {

class CompassDialWidget : public QWidget
{
    Q_OBJECT

public:
    CompassDialWidget(QWidget* parent = nullptr);
    ~CompassDialWidget() override = default;

    QSize sizeHint() const override;
    QSize minimumSizeHint() const override;
    double angle() const { return m_angle; }
    void setAngle(double newAngle);
    void setSize(int newSize);

public Q_SLOTS:
    void slotChangeAngle(double angle) { setAngle(angle); }
    void resetAngle() { setAngle(0.0); }

protected:
    void paintEvent(QPaintEvent* event) override;
    void drawWidget(QPainter& painter);
    void drawNeedle(QPainter& painter);
    void drawMarkings(QPainter& painter);
    void drawBackground(QPainter& painter);

private:
    QRect m_rect;
    double m_angle;
    double m_margin;
    double m_markInterval;
    int m_defaultSize;
    int m_defaultMargin;
    int m_designRadius;
    int m_designDiameter;
};

} //namespace TechDrawGui
#endif // COMPASSDIALWIDGET_H