sdlinput.h

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/*      _______   __   __   __   ______   __   __   _______   __   __
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 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
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 * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
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#pragma once
 
#include <queue>
 
#include <SDL.h>
 
#include <guichan/input.hpp>
#include <guichan/keyinput.hpp>
#include <guichan/mouseinput.hpp>
#include <guichan/platform.hpp>
 
#include <string>
 
namespace Key
{
    enum
    {
        SPACE              = ' ',
        TAB                = '\t',
        ENTER              = '\n',
        // Negative values, to avoid conflicts with higher character codes.
        LEFT_ALT           = -1000,
        RIGHT_ALT,
        LEFT_SHIFT,
        RIGHT_SHIFT,
        LEFT_CONTROL,
        RIGHT_CONTROL,
        LEFT_META,
        RIGHT_META,
        LEFT_SUPER,
        RIGHT_SUPER,
        INSERT,
        HOME,
        PAGE_UP,
        DELETE_KEY,
        END,
        PAGE_DOWN,
        ESCAPE,
        CAPS_LOCK,
        BACKSPACE,
        F1,
        F2,
        F3,
        F4,
        F5,
        F6,
        F7,
        F8,
        F9,
        F10,
        F11,
        F12,
        F13,
        F14,
        F15,
        PRINT_SCREEN,
        SCROLL_LOCK,
        PAUSE,
        NUM_LOCK,
        ALT_GR,
        LEFT,
        RIGHT,
        UP,
        DOWN
    };
}
 
class TextInput
{
public:
    TextInput(const char *text)
        : mText(text)
    {}
 
    const std::string &getText() const { return mText; }
 
private:
    std::string mText;
};
 
class SDLInput : public gcn::Input
{
public:
 
    SDLInput();
 
    virtual void pushInput(SDL_Event event);
 
    void _pollInput() override { }
 
 
    // Inherited from Input
 
    bool isKeyQueueEmpty() override;
 
    gcn::KeyInput dequeueKeyInput() override;
 
    bool isMouseQueueEmpty() override;
 
    gcn::MouseInput dequeueMouseInput() override;
 
    bool isTextQueueEmpty() const;
 
    TextInput dequeueTextInput();
 
protected:
    static int convertMouseButton(int button);
 
    static int convertKeyCharacter(SDL_Event event);
 
    std::queue<gcn::KeyInput> mKeyInputQueue;
    std::queue<gcn::MouseInput> mMouseInputQueue;
    std::queue<TextInput> mTextInputQueue;
 
    bool mMouseDown = false;
};