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119 lines
3 KiB
C#
119 lines
3 KiB
C#
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/// Credit AriathTheWise, Sfyne
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/// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/page-2#post-1796783
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/// Additional disabled - https://bitbucket.org/SimonDarksideJ/unity-ui-extensions/issues/47/uiselectableextension-_pressed-bug
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/// Extended to include a HELD state that continually fires while the button is held down.
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/// Refactored so it can be added to any button and expose the events in the editor.
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using UnityEngine.Events;
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using UnityEngine.EventSystems;
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namespace UnityEngine.UI.Extensions
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{
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/// <summary>
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/// UIButton
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/// </summary>
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[AddComponentMenu("UI/Extensions/UI Selectable Extension")]
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[RequireComponent(typeof(Selectable))]
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public class UISelectableExtension : MonoBehaviour, IPointerDownHandler, IPointerUpHandler
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{
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#region Sub-Classes
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[System.Serializable]
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public class UIButtonEvent : UnityEvent<PointerEventData.InputButton> { }
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#endregion
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#region Events
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[Tooltip("Event that fires when a button is initially pressed down")]
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public UIButtonEvent OnButtonPress;
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[Tooltip("Event that fires when a button is released")]
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public UIButtonEvent OnButtonRelease;
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[Tooltip("Event that continually fires while a button is held down")]
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public UIButtonEvent OnButtonHeld;
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#endregion
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private bool _pressed;
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private PointerEventData _heldEventData;
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void IPointerDownHandler.OnPointerDown(PointerEventData eventData)
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{
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//Can't set the state as it's too locked down.
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//DoStateTransition(SelectionState.Pressed, false);
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if (OnButtonPress != null)
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{
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OnButtonPress.Invoke(eventData.button);
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}
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_pressed = true;
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_heldEventData = eventData;
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}
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void IPointerUpHandler.OnPointerUp(PointerEventData eventData)
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{
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//DoStateTransition(SelectionState.Normal, false);
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if (OnButtonRelease != null)
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{
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OnButtonRelease.Invoke(eventData.button);
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}
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_pressed = false;
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_heldEventData = null;
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}
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void Update()
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{
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if (!_pressed)
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return;
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if (OnButtonHeld != null)
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{
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OnButtonHeld.Invoke(_heldEventData.button);
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}
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}
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/// <summary>
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/// Test method to verify a control has been clicked
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/// </summary>
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public void TestClicked()
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{
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#if DEBUG || UNITY_EDITOR
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Debug.Log("Control Clicked");
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#endif
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}
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/// <summary>
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/// Test method to verify a control is pressed
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/// </summary>
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public void TestPressed()
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{
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#if DEBUG || UNITY_EDITOR
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Debug.Log("Control Pressed");
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#endif
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}
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/// <summary>
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/// est method to verify if a control is released
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/// </summary>
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public void TestReleased()
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{
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#if DEBUG || UNITY_EDITOR
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Debug.Log("Control Released");
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#endif
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}
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/// <summary>
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/// est method to verify if a control is being held
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/// </summary>
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public void TestHold()
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{
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#if DEBUG || UNITY_EDITOR
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Debug.Log("Control Held");
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#endif
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}
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//Fixed UISelectableExtension inactive bug (if gameObject becomes inactive while button is held down it never goes back to _pressed = false)
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void OnDisable()
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{
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_pressed = false;
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}
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}
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}
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