include/SDL_touch.h
author Sam Lantinga <slouken@libsdl.org>
Sat, 31 Jul 2010 20:38:37 -0700
changeset 4679 5ee96ba0c01e
parent 4678 f8431f66613d
child 4689 f9ab8df6d45a
permissions -rw-r--r--
Fixed various type and print format issues
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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/**
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 *  \file SDL_touch.h
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 *  
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 *  Include file for SDL touch event handling.
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 */
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#ifndef _SDL_touch_h
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#define _SDL_touch_h
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#include "SDL_stdinc.h"
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#include "SDL_error.h"
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#include "SDL_video.h"
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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extern "C" {
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/* *INDENT-ON* */
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#endif
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typedef Sint64 SDL_TouchID;
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typedef Sint64 SDL_FingerID;
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struct SDL_Finger {
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  SDL_FingerID id;
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  Uint16 x;
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  Uint16 y;
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  Uint16 xdelta;
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  Uint16 ydelta;
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  Uint16 last_x, last_y,last_pressure;  /* the last reported coordinates */
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  SDL_bool down;
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  Uint16 pressure;
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};
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typedef struct SDL_Touch SDL_Touch;
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typedef struct SDL_Finger SDL_Finger;
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struct SDL_Touch {
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  /* Free the touch when it's time */
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  void (*FreeTouch) (SDL_Touch * touch);
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  /* data common for tablets */
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  float pressure_max, pressure_min;
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  float x_max,x_min;
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  float y_max,y_min;
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  Uint16 xres,yres,pressureres;
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  float native_xres,native_yres,native_pressureres;
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  float tilt;                   /* for future use */
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  float rotation;               /* for future use */
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  /* Data common to all touch */
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  SDL_TouchID id;
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  SDL_Window *focus;
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  char *name;
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  Uint8 buttonstate;
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  SDL_bool relative_mode;
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  SDL_bool flush_motion;
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  int num_fingers;
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  int max_fingers;
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  SDL_Finger** fingers;
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  void *driverdata;
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};
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/* Function prototypes */
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/**
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 *  \brief Get the touch object at the given id.
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 *
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 *
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 */
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  extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(SDL_TouchID id);
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/**
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 *  \brief Get the finger object of the given touch, at the given id.
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 *
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 *
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 */
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  extern 
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  DECLSPEC SDL_Finger* SDLCALL SDL_GetFinger(SDL_Touch *touch, SDL_FingerID id);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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/* *INDENT-OFF* */
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}
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/* *INDENT-ON* */
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#endif
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#include "close_code.h"
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#endif /* _SDL_mouse_h */
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