platform_display_number.hpp

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/*
    Copyright 2005-2007 Adobe Systems Incorporated
    Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt
    or a copy at http://stlab.adobe.com/licenses.html)
*/

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#ifndef ADOBE_DISPLAY_NUMBER_HPP
#define ADOBE_DISPLAY_NUMBER_HPP

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#include <windows.h>
#include <adobe/memory.hpp>
#include <boost/operators.hpp>
#include <adobe/layout_attributes.hpp>
#include <adobe/widget_attributes.hpp>
#include <string>
#include <boost/noncopyable.hpp>
#include <adobe/future/widgets/headers/number_unit.hpp>

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namespace adobe {

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struct display_number_t  : boost::noncopyable 
{
    typedef double  model_type;

    typedef std::vector<unit_t> unit_set_t;

    template <class ForwardIterator>
    display_number_t(const std::string& name,
                     const std::string& alt_text,
                     ForwardIterator first,
                     ForwardIterator last, 
                     theme_t theme,
                     int characters);

    HWND                     window_m;
    WNDPROC                  default_window_proc_m;
    RECT                     bounds_m;   
    std::string              name_m;
    std::string              alt_text_m;
    unit_set_t               unit_set_m;
    theme_t                  theme_m;
    std::wstring::size_type  label_chars_m;
    int                      characters_m;

    void initialize(HWND parent);

    void measure(extents_t& result);
    void measure_vertical(extents_t& calculated_horizontal, const place_data_t& placed_horizontal);       

    void place(const place_data_t& place_data);

    void display(const model_type& value);
};

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template <typename ForwardIterator>
display_number_t::display_number_t(
             const std::string& name,
             const std::string& alt_text,
             ForwardIterator first,
             ForwardIterator last, 
             theme_t theme,
             int characters) 
                : name_m(name),
                  alt_text_m(alt_text),
                  unit_set_m(first, last),
                  theme_m(theme),
                  label_chars_m(0),
                  characters_m(characters)
{ }

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inline HWND get_display(const display_number_t& widget)
    { return widget.window_m; }

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} // namespace adobe

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#endif

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