SDL: include/SDL_touch.h@99b4560b7aa1

     1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2010 Sam Lantinga

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Lesser General Public

     7     License as published by the Free Software Foundation; either

     8     version 2.1 of the License, or (at your option) any later version.

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Lesser General Public License for more details.

    15     You should have received a copy of the GNU Lesser General Public

    16     License along with this library; if not, write to the Free Software

    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    19     Sam Lantinga

    20     slouken@libsdl.org

    21 */

    23 /**

    24  *  \file SDL_touch.h

    25  *

    26  *  Include file for SDL touch event handling.

    27  */

    29 #ifndef _SDL_touch_h

    30 #define _SDL_touch_h

    32 #include "SDL_stdinc.h"

    33 #include "SDL_error.h"

    34 #include "SDL_video.h"

    36 #include "begin_code.h"

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

    38 #ifdef __cplusplus

    39 /* *INDENT-OFF* */

    40 extern "C" {

    41 /* *INDENT-ON* */

    42 #endif

    45 struct SDL_Finger {

    46   long id;

    47   float x;

    48   float y;

    49   float xdelta;

    50   float ydelta;

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

    52   SDL_bool down;

    53   float pressure;

    54 };

    56 typedef struct SDL_Touch SDL_Touch;

    57 typedef struct SDL_Finger SDL_Finger;

    60 struct SDL_Touch {

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

    63   void (*FreeTouch) (SDL_Touch * touch);

    65   /* data common for tablets */

    66   float pressure_max, pressure_min;

    67   float x_max,x_min;

    68   float y_max,y_min;

    69   float xres,yres,pressureres;

    70   float tilt;                   /* for future use */

    71   float rotation;               /* for future use */

    73   /* Data common to all touch */

    74   long id;

    75   SDL_Window *focus;

    77   char *name;

    78   Uint8 buttonstate;

    79   SDL_bool relative_mode;

    80   SDL_bool flush_motion;

    82   int num_fingers;

    83   int max_fingers;

    84   SDL_Finger** fingers;

    86   void *driverdata;

    87 };

    91 /* Function prototypes */

    93 /**

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

    95  *

    96  *

    97  */

    98   extern DECLSPEC SDL_Touch* SDLCALL SDL_GetTouch(long id);

   102 /**

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

   104  *

   105  *

   106  */

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

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

   110 #ifdef __cplusplus

   111 /* *INDENT-OFF* */

   112 }

   113 /* *INDENT-ON* */

   114 #endif

   115 #include "close_code.h"

   117 #endif /* _SDL_mouse_h */

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

author	jimtla
	Fri, 30 Jul 2010 23:18:35 +0400
changeset 4676	99b4560b7aa1
parent 4659	063b9455bd1a
child 4678	f8431f66613d
permissions	-rw-r--r--