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Diffstat (limited to 'ThirdParty/SDL2/src/joystick/SDL_sysjoystick.h')
| -rw-r--r-- | ThirdParty/SDL2/src/joystick/SDL_sysjoystick.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/ThirdParty/SDL2/src/joystick/SDL_sysjoystick.h b/ThirdParty/SDL2/src/joystick/SDL_sysjoystick.h new file mode 100644 index 0000000..7de5d83 --- /dev/null +++ b/ThirdParty/SDL2/src/joystick/SDL_sysjoystick.h @@ -0,0 +1,136 @@ +/* + 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 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 */ + + struct joystick_hwdata *hwdata; /* Driver dependent information */ + + int ref_count; /* Reference count for multiple opens */ + + SDL_bool is_game_controller; + 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_Joystick *next; /* pointer to next joystick we have allocated */ +}; + +/* Macro to combine a USB vendor ID and product ID into a single Uint32 value */ +#define MAKE_VIDPID(VID, PID) (((Uint32)(VID))<<16|(PID)) + +/* 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 return the number of joystick devices plugged in right now */ +extern int SDL_SYS_NumJoysticks(void); + +/* Function to cause any queued joystick insertions to be processed */ +extern void SDL_SYS_JoystickDetect(void); + +/* Function to get the device-dependent name of a joystick */ +extern const char *SDL_SYS_JoystickNameForDeviceIndex(int device_index); + +/* Function to get the current instance id of the joystick located at device_index */ +extern SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(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. + */ +extern int SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index); + +/* Function to query if the joystick is currently attached + * It returns SDL_TRUE if attached, SDL_FALSE otherwise. + */ +extern SDL_bool SDL_SYS_JoystickAttached(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); + +/* Function to return the stable GUID for a plugged in device */ +extern SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID(int device_index); + +/* Function to return the stable GUID for a opened joystick */ +extern SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick); + +#if SDL_JOYSTICK_XINPUT +/* Function returns SDL_TRUE if this device is an XInput gamepad */ +extern SDL_bool SDL_SYS_IsXInputGamepad_DeviceIndex(int device_index); +#endif + +#if defined(__ANDROID__) +/* Function returns SDL_TRUE if this device is a DPAD (maybe a TV remote) */ +extern SDL_bool SDL_SYS_IsDPAD_DeviceIndex(int device_index); +#endif + +#endif /* SDL_sysjoystick_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */ |