/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2010 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

#ifndef _SDL_keyboard_c_h
#define _SDL_keyboard_c_h

#include "SDL_keysym.h"
#include "SDL_events.h"

typedef struct SDL_Keyboard SDL_Keyboard;

struct SDL_Keyboard
{
    /* Free the keyboard when it's time */
    void (*FreeKeyboard) (SDL_Keyboard * keyboard);

    /* Data common to all keyboards */
    SDL_Window *focus;
    Uint16 modstate;
    Uint8 keystate[SDL_NUM_SCANCODES];
    SDLKey keymap[SDL_NUM_SCANCODES];

    void *driverdata;
};

/* Initialize the keyboard subsystem */
extern int SDL_KeyboardInit(void);

/* Get the keyboard at an index */
extern SDL_Keyboard *SDL_GetKeyboard(int index);

/* Add a keyboard, possibly reattaching at a particular index (or -1),
   returning the index of the keyboard, or -1 if there was an error.
 */
extern int SDL_AddKeyboard(const SDL_Keyboard * keyboard, int index);

/* Remove a keyboard at an index, clearing the slot for later */
extern void SDL_DelKeyboard(int index);

/* Clear the state of a keyboard at an index */
extern void SDL_ResetKeyboard(int index);

/* Get the default keymap */
extern void SDL_GetDefaultKeymap(SDLKey * keymap);

/* Set the mapping of scancode to key codes for this keyboard */
extern void SDL_SetKeymap(int index, int start, SDLKey * keys, int length);

/* Set a platform-dependent key name, overriding the default platform-agnostic
   name. Encoded as UTF-8. The string is not copied, thus the pointer given to
   this function must stay valid forever (or at least until the call to
   VideoQuit()). */
extern void SDL_SetScancodeName(SDL_scancode scancode, const char *name);

/* Set the keyboard focus window */
extern void SDL_SetKeyboardFocus(int index, SDL_Window * window);

/* Send a keyboard event for a keyboard at an index */
extern int SDL_SendKeyboardKey(int index, Uint8 state, SDL_scancode scancode);

/* Send keyboard text input for a keyboard at an index */
extern int SDL_SendKeyboardText(int index, const char *text);

/* Send editing text for selected range from start to end */
extern int SDL_SendEditingText(int index, const char *text, int start, int end);

/* Shutdown the keyboard subsystem */
extern void SDL_KeyboardQuit(void);

#endif /* _SDL_keyboard_c_h */

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