52 lines
1.8 KiB
C#
52 lines
1.8 KiB
C#
using UnityEngine.EventSystems;
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namespace UnityEngine.InputSystem.Samples.RebindUI
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{
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/// <summary>
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/// Simple utility that modifies a referenced CanvasGroup while being active.
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/// </summary>
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public class CanvasGroupModifier : MonoBehaviour
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{
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[Tooltip("The Canvas Group to be modified while this component is active")]
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public CanvasGroup canvasGroup;
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[Tooltip("The interactable setting to use for the Canvas Group while this component is active")]
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public bool interactable = false;
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private bool m_SavedInteractable;
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private GameObject m_SelectedObject;
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private void OnEnable()
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{
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if (canvasGroup != null)
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{
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// Store selection to make sure it is not changed when switching "windows".
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m_SelectedObject = EventSystem.current.currentSelectedGameObject;
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// Save current setting and override
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m_SavedInteractable = canvasGroup.interactable;
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canvasGroup.interactable = interactable;
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}
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}
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private void OnDisable()
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{
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if (canvasGroup != null)
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{
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// Restore previous setting.
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canvasGroup.interactable = m_SavedInteractable;
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// Restore previous selection.
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var eventSystem = EventSystem.current;
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if (eventSystem != null)
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{
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if (m_SelectedObject != null)
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eventSystem.SetSelectedGameObject(m_SelectedObject);
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else if (EventSystem.current.currentSelectedGameObject == null)
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eventSystem.SetSelectedGameObject(eventSystem.firstSelectedGameObject);
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}
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}
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}
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}
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}
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