range.h

/*************************************************************************/
/*  range.h                                                              */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/*************************************************************************/
#ifndef RANGE_H
#define RANGE_H

#include "scene/gui/control.h"
class Range : public Control {

    OBJ_TYPE( Range, Control );


    struct Shared {
        double val,min,max;
        double step,page;
        bool exp_unit_value;
        Set<Range*> owners;
        void emit_value_changed();
        void emit_changed(const char *p_what="");
    };

    Shared *shared;

    void _ref_shared(Shared *p_shared);
    void _unref_shared();

    void _share(Node *p_range);

    void _value_changed_notify();
    void _changed_notify(const char *p_what="");

protected:

    virtual void _value_changed(double) {}

    static void _bind_methods();

    bool _rounded_values;
public:

    void set_val(double p_val);
    void set_min(double p_min);
    void set_max(double p_max);
    void set_step(double p_step);
    void set_page(double p_page);
    void set_unit_value(double p_value);

    double get_val() const;
    double get_min() const;
    double get_max() const;
    double get_step() const;
    double get_page() const;
    double get_unit_value() const;

    void set_rounded_values(bool p_enable);
    bool is_rounded_values() const;

    void set_exp_unit_value(bool p_enable);
    bool is_unit_value_exp() const;

    void share(Range *p_range);
    void unshare();

    Range();
    ~Range();

};

#endif