src/joystick/dummy/SDL_sysjoystick.c
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     1 /*
       
     2     SDL - Simple DirectMedia Layer
       
     3     Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
       
     4 
       
     5     This library is free software; you can redistribute it and/or
       
     6     modify it under the terms of the GNU Library General Public
       
     7     License as published by the Free Software Foundation; either
       
     8     version 2 of the License, or (at your option) any later version.
       
     9 
       
    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     Library General Public License for more details.
       
    14 
       
    15     You should have received a copy of the GNU Library General Public
       
    16     License along with this library; if not, write to the Free
       
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
       
    18 
       
    19     Sam Lantinga
       
    20     slouken@devolution.com
       
    21 */
       
    22 
       
    23 #ifdef SAVE_RCSID
       
    24 static char rcsid =
       
    25  "@(#) $Id$";
       
    26 #endif
       
    27 
       
    28 /* This is the system specific header for the SDL joystick API */
       
    29 
       
    30 #include <stdio.h>		/* For the definition of NULL */
       
    31 
       
    32 #include "SDL_error.h"
       
    33 #include "SDL_joystick.h"
       
    34 #include "SDL_sysjoystick.h"
       
    35 #include "SDL_joystick_c.h"
       
    36 
       
    37 /* Function to scan the system for joysticks.
       
    38  * This function should set SDL_numjoysticks to the number of available
       
    39  * joysticks.  Joystick 0 should be the system default joystick.
       
    40  * It should return 0, or -1 on an unrecoverable fatal error.
       
    41  */
       
    42 int SDL_SYS_JoystickInit(void)
       
    43 {
       
    44 	SDL_numjoysticks = 0;
       
    45 	return(0);
       
    46 }
       
    47 
       
    48 /* Function to get the device-dependent name of a joystick */
       
    49 const char *SDL_SYS_JoystickName(int index)
       
    50 {
       
    51 	SDL_SetError("Logic error: No joysticks available");
       
    52 	return(NULL);
       
    53 }
       
    54 
       
    55 /* Function to open a joystick for use.
       
    56    The joystick to open is specified by the index field of the joystick.
       
    57    This should fill the nbuttons and naxes fields of the joystick structure.
       
    58    It returns 0, or -1 if there is an error.
       
    59  */
       
    60 int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
       
    61 {
       
    62 	SDL_SetError("Logic error: No joysticks available");
       
    63 	return(-1);
       
    64 }
       
    65 
       
    66 /* Function to update the state of a joystick - called as a device poll.
       
    67  * This function shouldn't update the joystick structure directly,
       
    68  * but instead should call SDL_PrivateJoystick*() to deliver events
       
    69  * and update joystick device state.
       
    70  */
       
    71 void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
       
    72 {
       
    73 	return;
       
    74 }
       
    75 
       
    76 /* Function to close a joystick after use */
       
    77 void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
       
    78 {
       
    79 	return;
       
    80 }
       
    81 
       
    82 /* Function to perform any system-specific joystick related cleanup */
       
    83 void SDL_SYS_JoystickQuit(void)
       
    84 {
       
    85 	return;
       
    86 }
       
    87