File: joystick.py

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import sys
from ctypes import Structure, c_int, c_char_p, c_void_p, POINTER
from .dll import _bind
from .stdinc import Sint16, Sint32, Uint32, Uint16, Uint8, SDL_bool

__all__ = [
    # Structs & Opaque Types
    "SDL_Joystick", "SDL_JoystickGUID", 
    
    # Defines
    "SDL_JoystickID", "SDL_HAT_CENTERED", "SDL_HAT_UP", "SDL_HAT_RIGHT",
    "SDL_HAT_DOWN", "SDL_HAT_LEFT", "SDL_HAT_RIGHTUP", "SDL_HAT_RIGHTDOWN",
    "SDL_HAT_LEFTUP", "SDL_HAT_LEFTDOWN", "SDL_IPHONE_MAX_GFORCE",

    # Enums
    "SDL_JoystickType",
    "SDL_JOYSTICK_TYPE_UNKNOWN", "SDL_JOYSTICK_TYPE_GAMECONTROLLER",
    "SDL_JOYSTICK_TYPE_WHEEL", "SDL_JOYSTICK_TYPE_ARCADE_STICK",
    "SDL_JOYSTICK_TYPE_FLIGHT_STICK", "SDL_JOYSTICK_TYPE_DANCE_PAD",
    "SDL_JOYSTICK_TYPE_GUITAR", "SDL_JOYSTICK_TYPE_DRUM_KIT",
    "SDL_JOYSTICK_TYPE_ARCADE_PAD", "SDL_JOYSTICK_TYPE_THROTTLE",

    "SDL_JoystickPowerLevel",
    "SDL_JOYSTICK_POWER_UNKNOWN", "SDL_JOYSTICK_POWER_EMPTY",
    "SDL_JOYSTICK_POWER_LOW", "SDL_JOYSTICK_POWER_MEDIUM",
    "SDL_JOYSTICK_POWER_FULL", "SDL_JOYSTICK_POWER_WIRED",
    "SDL_JOYSTICK_POWER_MAX",

    # Functions
    "SDL_LockJoysticks", "SDL_UnlockJoysticks", "SDL_NumJoysticks",
    "SDL_JoystickNameForIndex", "SDL_JoystickGetDevicePlayerIndex",
    "SDL_JoystickGetDeviceGUID", "SDL_JoystickGetDeviceVendor", 
    "SDL_JoystickGetDeviceProduct", "SDL_JoystickGetDeviceProductVersion",
    "SDL_JoystickGetDeviceType", "SDL_JoystickGetDeviceInstanceID", 
    "SDL_JoystickOpen", "SDL_JoystickFromInstanceID",
    "SDL_JoystickFromPlayerIndex",
    "SDL_JoystickAttachVirtual", "SDL_JoystickDetachVirtual",
    "SDL_JoystickIsVirtual", "SDL_JoystickSetVirtualAxis",
    "SDL_JoystickSetVirtualButton", "SDL_JoystickSetVirtualHat",
    "SDL_JoystickName", "SDL_JoystickGetPlayerIndex",
    "SDL_JoystickSetPlayerIndex",
    "SDL_JoystickGetGUID", "SDL_JoystickGetVendor", "SDL_JoystickGetProduct",
    "SDL_JoystickGetProductVersion", "SDL_JoystickGetSerial",
    "SDL_JoystickGetType", "SDL_JoystickGetGUIDString",
    "SDL_JoystickGetGUIDFromString", "SDL_JoystickGetAttached",
    "SDL_JoystickInstanceID", "SDL_JoystickNumAxes", "SDL_JoystickNumBalls",
    "SDL_JoystickNumHats", "SDL_JoystickNumButtons", "SDL_JoystickUpdate",
    "SDL_JoystickEventState", "SDL_JoystickGetAxis", "SDL_JoystickGetAxisInitialState",
    "SDL_JoystickGetHat", "SDL_JoystickGetBall", "SDL_JoystickGetButton",
    "SDL_JoystickRumble", "SDL_JoystickRumbleTriggers",
    "SDL_JoystickHasLED", "SDL_JoystickSetLED", "SDL_JoystickSendEffect",
    "SDL_JoystickClose", "SDL_JoystickCurrentPowerLevel"
]


SDL_JoystickPowerLevel = c_int

SDL_JOYSTICK_POWER_UNKNOWN = -1
SDL_JOYSTICK_POWER_EMPTY = 0
SDL_JOYSTICK_POWER_LOW = 1
SDL_JOYSTICK_POWER_MEDIUM = 2
SDL_JOYSTICK_POWER_FULL = 3
SDL_JOYSTICK_POWER_WIRED = 4
SDL_JOYSTICK_POWER_MAX = 5


SDL_JoystickType = c_int

SDL_JOYSTICK_TYPE_UNKNOWN = 0
SDL_JOYSTICK_TYPE_GAMECONTROLLER = 1
SDL_JOYSTICK_TYPE_WHEEL = 2
SDL_JOYSTICK_TYPE_ARCADE_STICK = 3
SDL_JOYSTICK_TYPE_FLIGHT_STICK = 4
SDL_JOYSTICK_TYPE_DANCE_PAD = 5
SDL_JOYSTICK_TYPE_GUITAR = 6
SDL_JOYSTICK_TYPE_DRUM_KIT = 7
SDL_JOYSTICK_TYPE_ARCADE_PAD = 8
SDL_JOYSTICK_TYPE_THROTTLE = 9


SDL_IPHONE_MAX_GFORCE = 5.0

SDL_HAT_CENTERED = 0x00
SDL_HAT_UP = 0x01
SDL_HAT_RIGHT = 0x02
SDL_HAT_DOWN = 0x04
SDL_HAT_LEFT = 0x08
SDL_HAT_RIGHTUP = SDL_HAT_RIGHT | SDL_HAT_UP
SDL_HAT_RIGHTDOWN = SDL_HAT_RIGHT | SDL_HAT_DOWN
SDL_HAT_LEFTUP = SDL_HAT_LEFT | SDL_HAT_UP
SDL_HAT_LEFTDOWN = SDL_HAT_LEFT | SDL_HAT_DOWN


class SDL_Joystick(c_void_p):
    pass

class SDL_JoystickGUID(Structure):
    _fields_ = [("data", (Uint8 * 16))]

SDL_JoystickID = Sint32


SDL_NumJoysticks = _bind("SDL_NumJoysticks", None, c_int)
SDL_JoystickNameForIndex = _bind("SDL_JoystickNameForIndex", [c_int], c_char_p)
SDL_JoystickOpen = _bind("SDL_JoystickOpen", [c_int], POINTER(SDL_Joystick))
SDL_JoystickName = _bind("SDL_JoystickName", [POINTER(SDL_Joystick)], c_char_p)
SDL_JoystickGetDeviceGUID = _bind("SDL_JoystickGetDeviceGUID", [c_int], SDL_JoystickGUID)
SDL_JoystickGetGUID = _bind("SDL_JoystickGetGUID", [POINTER(SDL_Joystick)], SDL_JoystickGUID)
SDL_JoystickGetGUIDFromString = _bind("SDL_JoystickGetGUIDFromString", [c_char_p], SDL_JoystickGUID)
SDL_JoystickGetAttached = _bind("SDL_JoystickGetAttached", [POINTER(SDL_Joystick)], SDL_bool)
SDL_JoystickInstanceID = _bind("SDL_JoystickInstanceID", [POINTER(SDL_Joystick)], SDL_JoystickID)
SDL_JoystickNumAxes = _bind("SDL_JoystickNumAxes", [POINTER(SDL_Joystick)], c_int)
SDL_JoystickNumBalls = _bind("SDL_JoystickNumBalls", [POINTER(SDL_Joystick)], c_int)
SDL_JoystickNumHats = _bind("SDL_JoystickNumHats", [POINTER(SDL_Joystick)], c_int)
SDL_JoystickNumButtons = _bind("SDL_JoystickNumButtons", [POINTER(SDL_Joystick)], c_int)
SDL_JoystickUpdate = _bind("SDL_JoystickUpdate")
SDL_JoystickEventState = _bind("SDL_JoystickEventState", [c_int], c_int)
SDL_JoystickGetAxis = _bind("SDL_JoystickGetAxis", [POINTER(SDL_Joystick), c_int], Sint16)
SDL_JoystickGetHat = _bind("SDL_JoystickGetHat", [POINTER(SDL_Joystick), c_int], Uint8)
SDL_JoystickGetBall = _bind("SDL_JoystickGetBall", [POINTER(SDL_Joystick), c_int, POINTER(c_int), POINTER(c_int)], c_int)
SDL_JoystickGetButton = _bind("SDL_JoystickGetButton", [POINTER(SDL_Joystick), c_int], Uint8)
SDL_JoystickClose = _bind("SDL_JoystickClose", [POINTER(SDL_Joystick)])
SDL_JoystickCurrentPowerLevel = _bind("SDL_JoystickCurrentPowerLevel", [POINTER(SDL_Joystick)], SDL_JoystickPowerLevel)
SDL_JoystickFromInstanceID = _bind("SDL_JoystickFromInstanceID", [SDL_JoystickID], POINTER(SDL_Joystick))
SDL_JoystickFromPlayerIndex = _bind("SDL_JoystickFromPlayerIndex", [c_int], POINTER(SDL_Joystick), added='2.0.12')
SDL_JoystickAttachVirtual = _bind("SDL_JoystickAttachVirtual", [SDL_JoystickType, c_int, c_int, c_int], c_int, added='2.0.14')
SDL_JoystickDetachVirtual = _bind("SDL_JoystickDetachVirtual", [c_int], c_int, added='2.0.14')
SDL_JoystickIsVirtual = _bind("SDL_JoystickIsVirtual", [c_int], SDL_bool, added='2.0.14')
SDL_JoystickSetVirtualAxis = _bind("SDL_JoystickSetVirtualAxis", [POINTER(SDL_Joystick), c_int, Sint16], c_int, added='2.0.14')
SDL_JoystickSetVirtualButton = _bind("SDL_JoystickSetVirtualButton", [POINTER(SDL_Joystick), c_int, Uint8], c_int, added='2.0.14')
SDL_JoystickSetVirtualHat = _bind("SDL_JoystickSetVirtualHat", [POINTER(SDL_Joystick), c_int, Uint8], c_int, added='2.0.14')
SDL_JoystickGetVendor = _bind("SDL_JoystickGetVendor", [POINTER(SDL_Joystick)], Uint16, added='2.0.6')
SDL_JoystickGetProduct = _bind("SDL_JoystickGetProduct", [POINTER(SDL_Joystick)], Uint16, added='2.0.6')
SDL_JoystickGetProductVersion = _bind("SDL_JoystickGetProductVersion", [POINTER(SDL_Joystick)], Uint16, added='2.0.6')
SDL_JoystickGetSerial = _bind("SDL_JoystickGetSerial", [POINTER(SDL_Joystick)], c_char_p, added='2.0.14')
SDL_JoystickGetAxisInitialState = _bind("SDL_JoystickGetAxisInitialState", [POINTER(SDL_Joystick), c_int, POINTER(Sint16)], SDL_bool, added='2.0.6')
SDL_JoystickGetType = _bind("SDL_JoystickGetType", [POINTER(SDL_Joystick)], SDL_JoystickType, added='2.0.6')
SDL_JoystickGetDeviceVendor = _bind("SDL_JoystickGetDeviceVendor", [c_int], Uint16, added='2.0.6')
SDL_JoystickGetDeviceProduct = _bind("SDL_JoystickGetDeviceProduct", [c_int], Uint16, added='2.0.6')
SDL_JoystickGetDeviceProductVersion = _bind("SDL_JoystickGetDeviceProductVersion", [c_int], Uint16, added='2.0.6')
SDL_JoystickGetDeviceType = _bind("SDL_JoystickGetDeviceType", [c_int], SDL_JoystickType, added='2.0.6')
SDL_JoystickGetDeviceInstanceID = _bind("SDL_JoystickGetDeviceInstanceID", [c_int], SDL_JoystickID, added='2.0.6')
SDL_LockJoysticks = _bind("SDL_LockJoysticks", None, None, added='2.0.7')
SDL_UnlockJoysticks = _bind("SDL_UnlockJoysticks", None, None, added='2.0.7')
SDL_JoystickGetPlayerIndex = _bind("SDL_JoystickGetPlayerIndex", [POINTER(SDL_Joystick)], c_int, added='2.0.9')
SDL_JoystickSetPlayerIndex = _bind("SDL_JoystickSetPlayerIndex", [POINTER(SDL_Joystick), c_int], added='2.0.12')
SDL_JoystickGetDevicePlayerIndex = _bind("SDL_JoystickGetDevicePlayerIndex", [c_int], c_int, added='2.0.9')
SDL_JoystickRumble = _bind("SDL_JoystickRumble", [POINTER(SDL_Joystick), Uint16, Uint16, Uint32], c_int, added='2.0.9')
SDL_JoystickRumbleTriggers = _bind("SDL_JoystickRumbleTriggers", [POINTER(SDL_Joystick), Uint16, Uint16, Uint32], c_int, added='2.0.14')
SDL_JoystickHasLED = _bind("SDL_JoystickHasLED", [POINTER(SDL_Joystick)], SDL_bool, added='2.0.14')
SDL_JoystickSetLED = _bind("SDL_JoystickSetLED", [POINTER(SDL_Joystick), Uint8, Uint8, Uint8], c_int, added='2.0.14')
SDL_JoystickSendEffect = _bind("SDL_JoystickSendEffect", [POINTER(SDL_Joystick), c_void_p, c_int], c_int, added='2.0.16')

# Reimplemented in Python due to crash-causing ctypes bug (fixed in 3.8)
if sys.version_info >= (3, 8, 0, 'final'):
    SDL_JoystickGetGUIDString = _bind("SDL_JoystickGetGUIDString", [SDL_JoystickGUID, c_char_p, c_int])
else:
    def SDL_JoystickGetGUIDString(guid, pszGUID, cbGUID):
        s = ""
        for g in guid.data:
            s += "{:x}".format(g >> 4)
            s += "{:x}".format(g & 0x0F)
        s = s.encode('utf-8')
        pszGUID.value = s[:(cbGUID * 2)]