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Diffstat (limited to 'distrib/sdl-1.2.15/src/joystick/SDL_sysjoystick.h')
| -rw-r--r-- | distrib/sdl-1.2.15/src/joystick/SDL_sysjoystick.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/joystick/SDL_sysjoystick.h b/distrib/sdl-1.2.15/src/joystick/SDL_sysjoystick.h new file mode 100644 index 0000000..6a1b76a --- /dev/null +++ b/distrib/sdl-1.2.15/src/joystick/SDL_sysjoystick.h @@ -0,0 +1,82 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is SDL_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 +*/ +#include "SDL_config.h" + +/* 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); + |