platform_button.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)
*/

/****************************************************************************************************/

#ifndef ADOBE_WIDGET_BUTTON_HPP
#define ADOBE_WIDGET_BUTTON_HPP

/****************************************************************************************************/

#include <adobe/config.hpp>

#include <adobe/future/macintosh_events.hpp>
#include <adobe/future/widgets/headers/macintosh_metric_extractor.hpp>
#include <adobe/future/widgets/headers/button_helper.hpp>
#include <adobe/future/widgets/headers/widget_utils.hpp>
#include <adobe/keyboard.hpp>
#include <adobe/macintosh_carbon_safe.hpp>

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namespace adobe {

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#ifndef ADOBE_NO_DOCUMENTATION
struct button_t;

/****************************************************************************************************/

struct button_hit_handler_t
{
    explicit button_hit_handler_t(button_t* button) :
        button_m(button)
    {
        handler_m.insert(kEventClassControl, kEventControlHit);

        handler_m.monitor_proc_m = boost::bind(&button_hit_handler_t::handle_event,
                                               boost::ref(*this), _1, _2);
    }

    ::OSStatus handle_event(::EventHandlerCallRef next,
                            ::EventRef            event);

    event_handler_t handler_m;
    button_t*       button_m;
};

/****************************************************************************************************/

struct button_modifier_key_handler_t
{
    explicit button_modifier_key_handler_t(button_t* button) :
        button_m(button)
    {
        handler_m.insert(kEventClassKeyboard, kEventRawKeyModifiersChanged);

        handler_m.monitor_proc_m = boost::bind(&button_modifier_key_handler_t::handle_event,
                                               boost::ref(*this), _1, _2);
    }

    ::OSStatus handle_event(::EventHandlerCallRef next,
                            ::EventRef            event);

    event_handler_t handler_m;
    button_t*       button_m;
};
#endif
/****************************************************************************************************/

struct button_t
{
    typedef any_regular_t model_type;

    button_t(bool                             is_default,
             bool                             is_cancel,
             modifiers_t               modifier_mask,
             const button_state_descriptor_t* first,
             const button_state_descriptor_t* last,
             theme_t                   theme);

    void measure(extents_t& result);

    void place(const place_data_t& place_data);

    void enable(bool make_enabled);

    void set(modifiers_t modifiers, const model_type& value);

    void set_contributing(modifiers_t modifiers, const dictionary_t& value);

    any_regular_t underlying_handler() { return any_regular_t(control_m); }

    bool handle_key(key_type key, bool pressed, modifiers_t modifiers);

#ifndef ADOBE_NO_DOCUMENTATION
    ::ControlRef                    control_m;
    theme_t                         theme_m;
    mutable metric_extractor_t      metrics_m;
    button_state_set_t              state_set_m;
    button_hit_handler_t            hit_handler_m;
    button_modifier_key_handler_t   mod_key_handler_m;
    modifiers_t                     modifier_mask_m;
    bool                            is_default_m;
    bool                            is_cancel_m;
    bool                            enabled_m;
#endif
};

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} // namespace adobe

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#endif

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