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GNU/Linux |
CentOS 5.3 |
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SDL_JoyHatEvent(3) |
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SDL_JoyHatEvent− Joystick hat position change event structure
typedef struct{
Uint8 type;
Uint8 which;
Uint8 hat;
Uint8 value;
} SDL_JoyHatEvent;
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type |
SDL_JOY |
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which |
Joystick device index |
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hat |
Joystick hat index |
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value |
Hat position |
SDL_JoyHatEvent is a member of the SDL_Event union and is used when an event of type SDL_JOYHATMOTION is reported.
A SDL_JOYHATMOTION event occurs when ever a user moves a hat on the joystick. The field which is the index of the joystick that reported the event and hat is the index of the hat (for a more detailed exlaination see the Joystick section). value is the current position of the hat. It is a logically OR’d combination of the following values (whose meanings should be pretty obvious:) :
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SDL_HAT_CENTERED |
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SDL_HAT_UP |
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SDL_HAT_RIGHT |
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SDL_HAT_DOWN |
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SDL_HAT_LEFT |
The following defines are also provided:
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SDL_HAT_RIGHTUP |
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SDL_HAT_RIGHTDOWN |
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SDL_HAT_LEFTUP |
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SDL_HAT_LEFTDOWN |
SDL_Event, Joystick Functions, SDL_JoystickEventState, SDL_JoystickGetHat
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SDL_JoyHatEvent(3) | |