slider.hpp

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// Copyright (c) 2017 Kolya Kosenko
 
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
 
 
#ifndef BOOST_UI_SLIDER_HPP
#define BOOST_UI_SLIDER_HPP
 
#include <boost/ui/config.hpp>
 
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
 
#include <boost/ui/widget.hpp>
 
namespace boost {
namespace ui    {
 
 
class BOOST_UI_DECL slider : public widget
{
public:
    typedef int value_type;
 
    value_type value() const;
 
    value_type min() const;
 
    value_type max() const;
 
    BOOST_UI_DETAIL_HANDLER(slide, slider);
 
    BOOST_UI_DETAIL_HANDLER(slide_end, slider);
 
protected:
    slider() {}
 
#ifndef DOXYGEN
    void detail_create(widget& parent, bool horizontal, value_type initial,
                       value_type min, value_type max);
#endif
 
private:
    void check_range(value_type value) const
        { check_range(value, min(), max()); }
    static void check_range(value_type value, value_type min, value_type max);
 
    void on_slide_raw(const boost::function<void()>& handler);
    void on_slide_end_raw(const boost::function<void()>& handler);
 
    class detail_impl;
    detail_impl* get_impl();
    const detail_impl* get_impl() const;
};
 
 
class BOOST_UI_DECL hslider : public slider
{
public:
    hslider() {}
 
    explicit hslider(widget& parent, value_type initial,
                     value_type min, value_type max)
        { create(parent, initial, min, max); }
    explicit hslider(widget& parent, value_type initial = 0)
        { create(parent, initial); }
    hslider& create(widget& parent, value_type initial,
                    value_type min, value_type max)
        { detail_create(parent, true, initial, min, max); return *this; }
    hslider& create(widget& parent, value_type initial = 0)
        { return create(parent, initial, 0, 100); }
};
 
 
class BOOST_UI_DECL vslider : public slider
{
public:
    vslider() {}
 
    explicit vslider(widget& parent, value_type initial,
                     value_type min, value_type max)
        { create(parent, initial, min, max); }
    explicit vslider(widget& parent, value_type initial = 0)
        { create(parent, initial); }
    vslider& create(widget& parent, value_type initial,
                    value_type min, value_type max)
        { detail_create(parent, false, initial, min, max); return *this; }
    vslider& create(widget& parent, value_type initial = 0)
        { return create(parent, initial, 0, 100); }
};
 
} // namespace ui
} // namespace boost
 
#endif // BOOST_UI_SLIDER_HPP