CFAdjustment.h

// Copyright 2017, CDOS.
// All rights reserved.
//
// Author: CDOS Support Team <support_os@sari.ac.cn>
//
// A class representing an adjustable bounded value.

#ifndef __CF_ADJUSTMENT_H__
#define __CF_ADJUSTMENT_H__
#include <Core/CFObject.h>

CF_NAMESPACE_BEGIN

class CFAdjustment : public CFObject {
public:
    virtual ~CFAdjustment();

    CFAdjustment(double value,
                 double lower,
                 double upper,
                 double step_increment = 1,
                 double page_increment = 10,
                 double page_size = 0);

    void changed();

    void valueChanged();

    void clampPage(double lower, double upper);

    void setValue(double value);

    double getValue();

    void setLower(double lower);

    double getLower();

    void setUpper(double upper);

    double getUpper();

    void setStepIncrement(double step_increment);

    double getStepIncrement();

    void setPageIncrement(double page_increment);

    double getPageIncrement();

    void setPageSize(double page_size);

    double getPageSize();

    void configure(double value,
                   double lower,
                   double upper,
                   double step_increment,
                   double page_increment,
                   double page_size);

    double getMinimumIncrement();

    static CFAdjustment* create(double value,
                                double lower,
                                double upper,
                                double step_increment = 1,
                                double page_increment = 10,
                                double page_size = 0);

    sigc::signal<void> signalChanged();
    sigc::signal<void> signalValueChanged();

protected:
    virtual void onRealObjectInit();
    virtual void onRealObjectFinalize();

    virtual void onChanged();
    virtual void onValueChanged();

private:
    sigc::signal<void> m_changedSignal;
    sigc::signal<void> m_changedValueSignal;
};

CF_NAMESPACE_END
#endif  // __CF_ADJUSTMENT_H__