/***************************************************************************

    source::worx raDIYo
    Copyright © 2020-2022 c.holzheuer
    chris@sourceworx.org

    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.

***************************************************************************/


#ifndef SWBARWIDGET_H
#define SWBARWIDGET_H

#include <QWidget>

#include <raDIYoglobals.h>
#include <swdialhandler.h>
#include <swrangevalue.h>


/**
 * @brief Abstrakte Basisklasse für Balkendiagramme.
 * @see SWDialHandler
 * @see SWVolumeWidget
 * @see SWSpectrumWidget
 */

class SWBarWidget : public QWidget, public SWDialHandler, public SWRangeValue
{
    Q_OBJECT

public:

    explicit  SWBarWidget( QWidget* parent = 0 );
    virtual  ~SWBarWidget() = default;

    virtual void paintEvent( QPaintEvent* event ) override = 0;

    int  numBars();
    void setNumBars( int bars );

    int  numBlocks();
    void setNumBlocks( int blocks );

    int  padding();
    void setPadding( int padding );

    void setColorRange( const QStringList& colorlist );
    void setColorRange( const SWColorVec& colorlist );

protected:

    QColor getBlockColor( int x, int y );

    int     _numBars    = -1;
    int     _numBlocks  = -1;
    int     _padding    =  3;

    SWColorVec  _colors;

};


#endif // SWBARWIDGET_H