common

floatfield.h

//-----Custom floatField----------------
/*
Usage:
   altFIELD(decimalslField,ee.herz,"Fine"," Hz",0,999.9,10,0.1,setFreq,enterEvent,noStyle)
   OR dFIELD(ee.herz,"Fine"," Hz",0,999.9,10,0.1,setFreq,enterEvent,noStyle)
   ((decimalslField<typeof(ee.herz)>*)&mainMenu[4])->setDecimals(2); // if needed - change dynamiclaly.
   OR setDecimals<float>(mainMenu[4],2);
*/

#define dFIELD(...) altFIELD(decimalslField,__VA_ARGS__)
#define DECIMALSFLIED_DEFAULT 1

template<typename T>
class decimalslField :public menuField<T> {                //https://github.com/neu-rah/ArduinoMenu/blob/master/examples/customField/customField/customField.ino
private:
  idx_t decimals;
public:
  decimalslField(constMEM menuFieldShadow<T>& shadow) :menuField<T>(shadow) { decimals = DECIMALSFLIED_DEFAULT; }
  decimalslField(
    T &value,
    constText* text,
    constText*units,
    T low,
    T high,
    T step,
    T tune,
    action a = doNothing,
    eventMask e = noEvent,
    styles s = noStyle
  ) :decimalslField(*new menuFieldShadow<T>(value, text, units, low, high, step, tune, a, e, s)) {}

  Used printTo(navRoot &root, bool sel, menuOut& out, idx_t idx, idx_t len, idx_t panelNr = 0) override {// https://github.com/neu-rah/ArduinoMenu/issues/94#issuecomment-290936646
    //menuFieldShadow<T>& s=*(menuFieldShadow<T>*)shadow;
    menuField<T>::reflex = menuField<T>::target();
    idx_t l = prompt::printTo(root, sel, out, idx, len);
    bool ed = this == root.navFocus;
    //bool sel=nav.sel==i;
    if (l < len) {
      out.print((root.navFocus == this&&sel) ? (menuField<T>::tunning ? '>' : ':') : ' ');
      l++;
      if (l < len) {
        l += out.print(menuField<T>::reflex, decimals);//NOTE: this can exceed the limits!
        if (l < len) {
          l += print_P(out, fieldBase::units(), len);
        }
      }
    }
    return l;
  }

  void setDecimals(idx_t d) { decimals = d; }
  idx_t getDecimals(void) { return(decimals); }
};

template<typename T>
inline void setDecimals(prompt& o,int n) {
  ((decimalslField<T>*)&o)->setDecimals(n);
}
//-----Custom floatField----------------END