listeners.h

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#ifndef LISTENERS_H
#define LISTENERS_H

#include "Control.h"
#include "cthread.h"

namespace annie {

struct RigidVisualiser : ValueUpdateListener    {
    virtual void valueChanged(const Value &val);
};

struct SimpleVisualiser : RigidVisualiser {
    virtual void valueChanged(const Value &val);
};


//depends on cthread...

struct Redrawer : ValueUpdateListener   {
    Redrawer(const char *triggeringValue) : _triggeringValue(triggeringValue) {}
    virtual void valueChanged(const Value &val) {
        if(val.name() == _triggeringValue)
            forceRedraw();
    }
  protected:    
    const char *_triggeringValue;
};

struct Stepper: ValueUpdateListener {
    virtual void valueChanged(const Value &val) {
        if(val.name() == "epoch" && !!control["stepped"])
            waitForKey();
    }
};

class TrainingSet;
struct Shuffler : public ValueUpdateListener{
    Shuffler(TrainingSet &ts, Creal shufflePeriod) : _ts(ts),  _shufflePeriod(shufflePeriod)    {}
    virtual void valueChanged(const Value &val);
  protected:
    TrainingSet &_ts;
    Creal _shufflePeriod;
};


}   //annie

#endif  //H

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