qeanalogsensor.hpp

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#ifndef QEANALOGSENSOR_H
#define QEANALOGSENSOR_H
 
#include <QObject>
#include <QWidget>
#include <QLabel>
#include <QTimer>
 
class QeAnalogSensor : public QWidget
{
    Q_OBJECT
 
    Q_PROPERTY(bool    vertical     MEMBER m_vertical     WRITE set_vertical)
    Q_PROPERTY(bool    other_side   MEMBER m_other_side   WRITE set_other_side)
    Q_PROPERTY(bool    flashing     MEMBER m_flashing     WRITE set_flashing)
    Q_PROPERTY(QColor  flash_color  MEMBER m_flash_color  WRITE set_flash_color)
    Q_PROPERTY(int     font_size    MEMBER m_font_size    WRITE set_font_size)
    Q_PROPERTY(double  value        MEMBER m_value        WRITE set_value)
    Q_PROPERTY(uint    precision    MEMBER m_precision    WRITE set_precision)
    Q_PROPERTY(bool    exponential  MEMBER m_exponential  WRITE set_exponential)
    Q_PROPERTY(QString unit         MEMBER m_unit         WRITE set_unit)
    Q_PROPERTY(int     number_align MEMBER m_number_align WRITE set_number_align)
 
public:
    explicit QeAnalogSensor(QWidget *parent = nullptr);
 
signals:
 
public slots:
    void set_vertical(    bool    arg ){ m_vertical = arg;    update(); }
    void set_other_side(  bool    arg ){ m_other_side = arg;  update(); }
    void set_flashing(    bool    arg ){ m_flashing = arg; arg ? timer->start(1000): timer->stop(); update(); }
    void set_flash_color( QColor  arg ){ m_flash_color = arg; update(); }
    void set_font_size(   int     arg );
    void set_value(       double  arg ){ m_value = arg;       update(); }
    void set_precision(   int     arg ){ m_precision = arg;   update(); }
    void set_exponential( bool    arg ){ m_exponential = arg; update(); }
    void set_unit(        QString arg ){ m_unit = arg;        update(); }
    void set_number_align(int     arg ){ m_number_align = arg;   update(); }
 
protected:
    QSize sizeHint();
    QSize minimumSizeHint();
    void paintEvent(QPaintEvent *event);
    void setAdditionalHPadding(int value);
 
private:
    QString prepareText();
 
    bool m_vertical = false;
    bool m_other_side = false;
    bool m_flashing = false;
    QColor m_flash_color;
    QTimer *timer;
    double m_value = 12345.56789;
    int m_precision = 3;
    int m_font_size;
    bool m_exponential = false;
    QString m_unit = "K";
    int m_number_align = Qt::AlignLeft;
    QColor m_bg_color;
    int m_additional_h_padding = 0;
 
    void prepareSizes();
};
 
#endif // QEANALOGSENSOR_H