gaugetarget.h

#ifndef TBQ_WIDGETS_GAUGETARGET_H
#define TBQ_WIDGETS_GAUGETARGET_H
 
#include "toolboxqt/toolboxqt_global.h"
 
#include <QWidget>
 
namespace tbq
{
 
class TOOLBOXQT_EXPORT GaugeTargetStyle
{
    Q_GADGET
 
public:
    enum GaugeElement
    {
        GAUGE_ZONE_BAR = 0,
        GAUGE_ZONE_TOLERANCE,
        GAUGE_MARK_TARGET_CURSOR,
        GAUGE_MARK_TARGET_TEXT,
        GAUGE_MARK_VALUE_CURSOR_OK,
        GAUGE_MARK_VALUE_CURSOR_KO,
        GAUGE_MARK_VALUE_TEXT_OK,
        GAUGE_MARK_VALUE_TEXT_KO,
 
        GAUGE_NB_ELEMENTS
    };
    Q_ENUM(GaugeElement)
 
public:
    GaugeTargetStyle();
 
public:
    QColor getColor(GaugeElement idElement) const;
    int getMargins() const;
    double getMarkFactor() const;
 
public:
    void reset();
 
    void setColor(GaugeElement idElement, const QColor &color);
    void setMargins(int margins);
    void setMarkFactor(double factor);
 
private:
    QHash<GaugeElement, QColor> m_mapColors;
    int m_margins = 0;
    double m_markFactor = 0.0;
};
 
class TOOLBOXQT_EXPORT GaugeTarget : public QWidget
{
    Q_OBJECT
 
public:
    explicit GaugeTarget(QWidget *parent = nullptr);
 
public:
    bool isInTolerance() const;
    GaugeTargetStyle getStyle() const;
 
public:
    void setValue(int value);
 
    void setRange(int min, int max);
    void setTarget(int target, int tolerance);
    void setTarget(int target, int tolerance, int range);
 
    void setStyle(const GaugeTargetStyle &style);
 
public:
    QSize sizeHint() const override;
 
protected:
    void paintEvent(QPaintEvent *event) override;
 
private:
    void updateProperties();
    int findPixelFromValue(const QRect &zoneDraw, int value) const;
 
    QRect calcZoneMarkText(const QFontMetrics &ftInfos, const QRect &zoneDraw, const QLine &mark, const QString &txt, bool atTop);
 
private:
    int m_value = 0;
 
    int m_min = 0;
    int m_max = 0;
    int m_tolLow = 0;
    int m_tolHigh = 0;
    int m_target = 0;
 
    GaugeTargetStyle m_style;
};
 
} // namespace tbq
 
#endif // TBQ_WIDGETS_GAUGETARGET_H