| 0,0 → 1,86 |
|---|
| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| Sam Lantinga |
| slouken@devolution.com |
| */ |
| |
| #ifdef SAVE_RCSID |
| static char rcsid = |
| "@(#) $Id: SDL_sysjoystick.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
| #endif |
| |
| /* This is the system specific header for the SDL joystick API */ |
| |
| #include "SDL_joystick.h" |
| |
| /* The SDL joystick structure */ |
| struct _SDL_Joystick { |
| Uint8 index; /* Device index */ |
| const char *name; /* Joystick name - system dependent */ |
| |
| int naxes; /* Number of axis controls on the joystick */ |
| Sint16 *axes; /* Current axis states */ |
| |
| int nhats; /* Number of hats on the joystick */ |
| Uint8 *hats; /* Current hat states */ |
| |
| int nballs; /* Number of trackballs on the joystick */ |
| struct balldelta { |
| int dx; |
| int dy; |
| } *balls; /* Current ball motion deltas */ |
| |
| int nbuttons; /* Number of buttons on the joystick */ |
| Uint8 *buttons; /* Current button states */ |
| |
| struct joystick_hwdata *hwdata; /* Driver dependent information */ |
| |
| int ref_count; /* Reference count for multiple opens */ |
| }; |
| |
| /* Function to scan the system for joysticks. |
| * Joystick 0 should be the system default joystick. |
| * This function should return the number of available joysticks, or -1 |
| * on an unrecoverable fatal error. |
| */ |
| extern int SDL_SYS_JoystickInit(void); |
| |
| /* Function to get the device-dependent name of a joystick */ |
| extern const char *SDL_SYS_JoystickName(int index); |
| |
| /* Function to open a joystick for use. |
| The joystick to open is specified by the index field of the joystick. |
| This should fill the nbuttons and naxes fields of the joystick structure. |
| It returns 0, or -1 if there is an error. |
| */ |
| extern int SDL_SYS_JoystickOpen(SDL_Joystick *joystick); |
| |
| /* Function to update the state of a joystick - called as a device poll. |
| * This function shouldn't update the joystick structure directly, |
| * but instead should call SDL_PrivateJoystick*() to deliver events |
| * and update joystick device state. |
| */ |
| extern void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick); |
| |
| /* Function to close a joystick after use */ |
| extern void SDL_SYS_JoystickClose(SDL_Joystick *joystick); |
| |
| /* Function to perform any system-specific joystick related cleanup */ |
| extern void SDL_SYS_JoystickQuit(void); |
| |