ConditionalState.h

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#pragma once
 
#include "QGCState.h"
 
#include <functional>
 
class ConditionalState : public QGCState
{
    Q_OBJECT
    Q_DISABLE_COPY(ConditionalState)
 
public:
    using Predicate = std::function<bool()>;
    using Action = std::function<void()>;
 
    ConditionalState(const QString& stateName, QState* parent, Predicate predicate, Action action = Action());
 
    void setPredicate(Predicate predicate) { _predicate = std::move(predicate); }
 
    void setAction(Action action) { _action = std::move(action); }
 
signals:
    void skipped();
 
private slots:
    void _onEntered();
 
private:
    Predicate _predicate;
    Action _action;
};