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The joystick events contain a joystick instance ID, which is a signed value, with -1 being invalid.

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Sam Lantinga 2013-03-06 11:59:21 -08:00
parent fb49761922
commit 69b8182419
3 changed files with 17 additions and 17 deletions
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4
include/SDL_joystick.h
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@ -67,7 +67,7 @@ typedef struct {
Uint8 data[16];
} SDL_JoystickGUID;
typedef Uint32 SDL_JoystickID;
typedef Sint32 SDL_JoystickID;
/* Function prototypes */
@ -126,7 +126,7 @@ extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetGUIDFromString(const cha
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickGetAttached(SDL_Joystick * joystick);
/**
* Get the instance ID of an opened joystick.
* Get the instance ID of an opened joystick or -1 if the joystick is invalid.
*/
extern DECLSPEC SDL_JoystickID SDLCALL SDL_JoystickInstanceID(SDL_Joystick * joystick);