BionxControl/bcvalueslider.h

#ifndef BC_VALUESLIDER_H
#define BC_VALUESLIDER_H


#include <QWidget>
#include <QTableView>
#include <QSlider>
#include <QPainter>
#include <QProxyStyle>

#include <bcvalue.h>
#include <ui_bcvalueslider.h>

class QSlider;
class QPushButton;
class BCValue;

class BCValueSlider : public QWidget, private Ui::BCValueSlider
{
  Q_OBJECT

public:

  explicit  BCValueSlider(QWidget *parent = nullptr);

  int  value() const;
  void setValueAndRange( const BCValue::ValueRange& params );

  // helper functions
  static QRect updateEditorRect( const QRect& rect);

  static void paintSliderIndicator(QPainter* painter, const QRect& rect, double ratio );
  static void paintSliderIndicator2(QPainter* painter, const QRect& rect, double ratio );

signals:

  void valueChanged(int value);
  void valueCommited(int value);

protected:

  // Fluent Design Slider Style
  class BCValueSliderStyle : public QProxyStyle
  {

  public:

    BCValueSliderStyle();

    int pixelMetric(PixelMetric metric, const QStyleOption* option = nullptr, const QWidget* widget = nullptr) const override;

    QRect subControlRect(ComplexControl cc, const QStyleOptionComplex* opt, SubControl sc, const QWidget* widget) const override;
    void drawComplexControl(ComplexControl control, const QStyleOptionComplex* option, QPainter* painter, const QWidget* widget) const override;
    void drawHorizontalFluentSlider(QPainter* painter, const QStyleOptionSlider* slider, const QColor& activeColor, const QColor& bgColor) const;

  };

  static constexpr int cTextBlockOffset =  130;
  static constexpr int cPaddingRight    =  8;
  static constexpr int cSliderWidth     =  117;

  std::unique_ptr<BCValueSliderStyle> _sliderStyle;
};

#endif // BC_VALUESLIDER_H