lol/src/ui/input_internal.h

//
//  Lol Engine
//
//  Copyright © 2017—2019 Sam Hocevar <sam@hocevar.net>
//            © 2010—2015 Benjamin Litzelmann
//
//  Lol Engine is free software. It comes without any warranty, to
//  the extent permitted by applicable law. You can redistribute it
//  and/or modify it under the terms of the Do What the Fuck You Want
//  to Public License, Version 2, as published by the WTFPL Task Force.
//  See http://www.wtfpl.net/ for more details.
//

#pragma once

#include <string>

namespace lol
{

/** Internal class (not public) that allows to construct an InputDevice
  * dynamically, when the keys, axis and cursors are not known at
  * compile time. */
class InputDeviceInternal : public InputDevice
{
public:
    inline InputDeviceInternal(std::string const& name) : InputDevice(name) { }

    void AddKey(int id, char const * name);

    inline void AddKey(char const * name)
    {
        AddKey(-1, name);
    }

    void AddAxis(int id, char const * name, float sensitivity = 1.0f);

    inline void AddAxis(char const * name, float sensitivity = 1.0f)
    {
        AddAxis(-1, name, sensitivity);
    }

    void AddCursor(int id, char const * name);

    inline void AddCursor(char const * name)
    {
        AddCursor(-1, name);
    }

    void SetCursor(int id, vec2 const & position, ivec2 const & pixel)
    {
        m_cursors[id].m1 = position;
        m_cursors[id].m2 = pixel;
    }

    ivec2 GetCursorPixelPos(int id)
    {
        return m_cursors[id].m2;
    }

    /* Internal functions for the platform-specific drivers. */
    void internal_set_key(int id, bool state)
    {
        m_keys[id] = state;
    }

    void internal_add_text(std::string const &text)
    {
        m_text += text;
    }

    void internal_set_axis(int id, float value)
    {
        m_axis[id].m1 = value;
    }

    static bool GetMouseCapture()
    {
        return m_capturemouse;
    }

    static InputDeviceInternal* CreateStandardKeyboard();
    static InputDeviceInternal* CreateStandardMouse();
};

} /* namespace lol */