SDL_GetJoystickProperties

Get the properties associated with a joystick.

The following read-only properties are provided by SDL:

- SDL_PROP_JOYSTICK_CAP_MONO_LED_BOOLEAN: true if this joystick has an LED that has adjustable brightness - SDL_PROP_JOYSTICK_CAP_RGB_LED_BOOLEAN: true if this joystick has an LED that has adjustable color - SDL_PROP_JOYSTICK_CAP_PLAYER_LED_BOOLEAN: true if this joystick has a player LED - SDL_PROP_JOYSTICK_CAP_RUMBLE_BOOLEAN: true if this joystick has left/right rumble - SDL_PROP_JOYSTICK_CAP_TRIGGER_RUMBLE_BOOLEAN: true if this joystick has simple trigger rumble