input.h

/*
 * Copyright (C) 2018 Microchip Technology Inc.  All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef EGT_INPUT_H
#define EGT_INPUT_H
 
#include <egt/detail/meta.h>
#include <egt/event.h>
#include <egt/object.h>
#include <egt/signal.h>
#include <memory>
 
namespace egt
{
inline namespace v1
{
 
namespace detail
{
class MouseGesture;
}
 
class Widget;
 
class EGT_API Input
{
public:
 
    Input();
 
    Input(const Input&) = delete;
    Input& operator=(const Input&) = delete;
    Input(Input&&) noexcept;
    Input& operator=(Input&&) noexcept;
 
    static Object& global_input()
    {
        return m_global_handler;
    }
 
    virtual ~Input() noexcept;
 
protected:
 
    virtual void dispatch(Event& event);
 
    static Object m_global_handler;
 
    std::unique_ptr<detail::MouseGesture> m_mouse;
 
    bool m_dispatching{false};
};
 
namespace detail
{
 
EGT_API Widget* mouse_grab();
 
EGT_API void mouse_grab(Widget* widget);
 
EGT_API void keyboard_focus(Widget* widget);
 
EGT_API Widget* keyboard_focus();
 
EGT_API Widget* dragged();
 
EGT_API void dragged(Widget* widget);
 
}
 
}
}
 
#endif