/*

    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

*/

/**

 *  \file SDL_touch.h

 *  

 *  Include file for SDL touch event handling.

 */

#ifndef _SDL_touch_h

#define _SDL_touch_h

#include "SDL_stdinc.h"

#include "SDL_error.h"

#include "SDL_video.h"

#include "begin_code.h"

/* Set up for C function definitions, even when using C++ */

#ifdef __cplusplus

/* *INDENT-OFF* */

extern "C" {

/* *INDENT-ON* */

#endif

struct SDL_Finger {

  long id;

  float x;

  float y;

  float xdelta;

  float ydelta;

  float last_x, last_y,last_pressure;  /* the last reported coordinates */

  SDL_bool down;

  float pressure;

};

typedef struct SDL_Touch SDL_Touch;

typedef struct SDL_Finger SDL_Finger;

struct SDL_Touch {

  /* Free the touch when it's time */

  void (*FreeTouch) (SDL_Touch * touch);

  /* data common for tablets */

  float pressure_max, pressure_min;

  float x_max,x_min;

  float y_max,y_min;

  float xres,yres,pressureres;

  float tilt;                   /* for future use */

  float rotation;               /* for future use */

  /* Data common to all touch */

  long id;

  SDL_Window *focus;

  char *name;

  Uint8 buttonstate;

  SDL_bool relative_mode;

  SDL_bool flush_motion;

  int num_fingers;

  int max_fingers;

  SDL_Finger** fingers;

  void *driverdata;

};

/* Function prototypes */

/**

 *  \brief Get the touch object at the given id.

 *

 *

 */

  extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(long id);

/**

 *  \brief Get the finger object of the given touch, at the given id.

 *

 *

 */

  extern DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, long id);

/* Ends C function definitions when using C++ */

#ifdef __cplusplus

/* *INDENT-OFF* */

}

/* *INDENT-ON* */

#endif

#include "close_code.h"

#endif /* _SDL_mouse_h */

/* vi: set ts=4 sw=4 expandtab: */