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Diffstat (limited to 'Source/external/SDL2/src/joystick/SDL_sysjoystick.h')
| -rw-r--r-- | Source/external/SDL2/src/joystick/SDL_sysjoystick.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/Source/external/SDL2/src/joystick/SDL_sysjoystick.h b/Source/external/SDL2/src/joystick/SDL_sysjoystick.h new file mode 100644 index 0000000..3416693 --- /dev/null +++ b/Source/external/SDL2/src/joystick/SDL_sysjoystick.h @@ -0,0 +1,157 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "../SDL_internal.h" + +#ifndef SDL_sysjoystick_h_ +#define SDL_sysjoystick_h_ + +/* This is the system specific header for the SDL joystick API */ + +#include "SDL_joystick.h" +#include "SDL_joystick_c.h" + +/* The SDL joystick structure */ +typedef struct _SDL_JoystickAxisInfo +{ + Sint16 initial_value; /* Initial axis state */ + Sint16 value; /* Current axis state */ + Sint16 zero; /* Zero point on the axis (-32768 for triggers) */ + SDL_bool has_initial_value; /* Whether we've seen a value on the axis yet */ + SDL_bool sent_initial_value; /* Whether we've sent the initial axis value */ +} SDL_JoystickAxisInfo; + +struct _SDL_Joystick +{ + SDL_JoystickID instance_id; /* Device instance, monotonically increasing from 0 */ + char *name; /* Joystick name - system dependent */ + int player_index; /* Joystick player index, or -1 if unavailable */ + SDL_JoystickGUID guid; /* Joystick guid */ + + int naxes; /* Number of axis controls on the joystick */ + SDL_JoystickAxisInfo *axes; + + 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 */ + + SDL_bool attached; + SDL_bool is_game_controller; + SDL_bool delayed_guide_button; /* SDL_TRUE if this device has the guide button event delayed */ + SDL_bool force_recentering; /* SDL_TRUE if this device needs to have its state reset to 0 */ + SDL_JoystickPowerLevel epowerlevel; /* power level of this joystick, SDL_JOYSTICK_POWER_UNKNOWN if not supported */ + struct _SDL_JoystickDriver *driver; + + struct joystick_hwdata *hwdata; /* Driver dependent information */ + + int ref_count; /* Reference count for multiple opens */ + + struct _SDL_Joystick *next; /* pointer to next joystick we have allocated */ +}; + +#if defined(__IPHONEOS__) || defined(__ANDROID__) +#define HAVE_STEAMCONTROLLERS +#define USE_STEAMCONTROLLER_HIDAPI +#elif defined(__LINUX__) +#define HAVE_STEAMCONTROLLERS +#define USE_STEAMCONTROLLER_LINUX +#endif + +/* Device bus definitions */ +#define SDL_HARDWARE_BUS_USB 0x03 +#define SDL_HARDWARE_BUS_BLUETOOTH 0x05 + +/* Macro to combine a USB vendor ID and product ID into a single Uint32 value */ +#define MAKE_VIDPID(VID, PID) (((Uint32)(VID))<<16|(PID)) + +typedef struct _SDL_JoystickDriver +{ + /* Function to scan the system for joysticks. + * Joystick 0 should be the system default joystick. + * This function should return 0, or -1 on an unrecoverable error. + */ + int (*Init)(void); + + /* Function to return the number of joystick devices plugged in right now */ + int (*GetCount)(void); + + /* Function to cause any queued joystick insertions to be processed */ + void (*Detect)(void); + + /* Function to get the device-dependent name of a joystick */ + const char *(*GetDeviceName)(int device_index); + + /* Function to get the player index of a joystick */ + int (*GetDevicePlayerIndex)(int device_index); + + /* Function to return the stable GUID for a plugged in device */ + SDL_JoystickGUID (*GetDeviceGUID)(int device_index); + + /* Function to get the current instance id of the joystick located at device_index */ + SDL_JoystickID (*GetDeviceInstanceID)(int device_index); + + /* Function to open a joystick for use. + The joystick to open is specified by the device index. + This should fill the nbuttons and naxes fields of the joystick structure. + It returns 0, or -1 if there is an error. + */ + int (*Open)(SDL_Joystick * joystick, int device_index); + + /* Rumble functionality */ + int (*Rumble)(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms); + + /* 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. + */ + void (*Update)(SDL_Joystick * joystick); + + /* Function to close a joystick after use */ + void (*Close)(SDL_Joystick * joystick); + + /* Function to perform any system-specific joystick related cleanup */ + void (*Quit)(void); + +} SDL_JoystickDriver; + +/* The available joystick drivers */ +extern SDL_JoystickDriver SDL_ANDROID_JoystickDriver; +extern SDL_JoystickDriver SDL_BSD_JoystickDriver; +extern SDL_JoystickDriver SDL_DARWIN_JoystickDriver; +extern SDL_JoystickDriver SDL_DUMMY_JoystickDriver; +extern SDL_JoystickDriver SDL_EMSCRIPTEN_JoystickDriver; +extern SDL_JoystickDriver SDL_HAIKU_JoystickDriver; +extern SDL_JoystickDriver SDL_HIDAPI_JoystickDriver; +extern SDL_JoystickDriver SDL_IOS_JoystickDriver; +extern SDL_JoystickDriver SDL_LINUX_JoystickDriver; +extern SDL_JoystickDriver SDL_WINDOWS_JoystickDriver; + +#endif /* SDL_sysjoystick_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */ |