#import <AppKit/AppKit.h>
@protocol GBJoystickListener <NSObject>
- (void) joystick:(NSString *)joystick_name button: (unsigned)button changedState: (bool) state;
- (void) joystick:(NSString *)joystick_name axis: (unsigned)axis movedTo: (signed) value;
- (void) joystick:(NSString *)joystick_name hat: (unsigned)hat changedState: (int8_t) value;
@end