mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-28 05:38:24 +00:00
39 lines
1.3 KiB
Objective-C
39 lines
1.3 KiB
Objective-C
//
|
|
// GCControllerButtonInput.h
|
|
// GameController
|
|
//
|
|
// Copyright (c) 2012 Apple Inc. All rights reserved.
|
|
//
|
|
|
|
#import "GameController.h"
|
|
|
|
GAMECONTROLLER_EXPORT
|
|
@interface GCControllerButtonInput : GCControllerElement
|
|
|
|
/**
|
|
Set this block if you want to be notified when the value on this button changes.
|
|
|
|
@param button the element that has been modified.
|
|
@param value the value the button was set to at the time the valueChangedHandler fired.
|
|
@param pressed the pressed state of the button at the time the valueChangedHandler fired.
|
|
*/
|
|
typedef void (^GCControllerButtonValueChangedHandler)(GCControllerButtonInput *button, float value, BOOL pressed);
|
|
@property (copy) GCControllerButtonValueChangedHandler valueChangedHandler;
|
|
|
|
/**
|
|
A normalized value for the input. Between 0 and 1 for button inputs. Values are saturated and thus never exceed the range of [0, 1].
|
|
*/
|
|
@property (readonly) float value;
|
|
|
|
/**
|
|
Buttons are mostly used in a digital sense, thus we have a recommended method for checking for pressed state instead of
|
|
interpreting the value.
|
|
|
|
As a general guideline a button is pressed if the value exceeds 25%. However there may be hysterisis applied
|
|
to counter noisy input values, thus incidental values around the threshold value may not trigger a change
|
|
in pressed state.
|
|
*/
|
|
@property (readonly, getter = isPressed) BOOL pressed;
|
|
|
|
@end
|