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Assets/CoolapeFrame/3rd/NGUI_Enhance/Scripts/UI/UIInputOnGUI.cs

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+//----------------------------------------------
+//            NGUI: Next-Gen UI kit
+// Copyright © 2011-2015 Tasharen Entertainment
+//----------------------------------------------
+
+#if !UNITY_EDITOR && (UNITY_IPHONE || UNITY_IOS || UNITY_ANDROID || UNITY_WP8 || UNITY_BLACKBERRY || UNITY_WINRT)
+#define MOBILE
+#endif
+
+using UnityEngine;
+
+/// <summary>
+/// This class is added by UIInput when it gets selected in order to be able to receive input events properly.
+/// The reason it's not a part of UIInput is because it allocates 336 bytes of GC every update because of OnGUI.
+/// It's best to only keep it active when it's actually needed.
+/// </summary>
+
+[RequireComponent(typeof(UIInput))]
+public class UIInputOnGUI : MonoBehaviour
+{
+#if !MOBILE
+	[System.NonSerialized] UIInput mInput;
+
+	void Awake () { mInput = GetComponent<UIInput>(); }
+
+	/// <summary>
+	/// Unfortunately Unity 4.3 and earlier doesn't offer a way to properly process events outside of OnGUI.
+	/// </summary>
+
+	void OnGUI ()
+	{
+		if (Event.current.rawType == EventType.KeyDown)
+			mInput.ProcessEvent(Event.current);
+	}
+#endif
+}