add

Assets/CoolapeFrame/3rd/NGUI_Enhance/Scripts/Interaction/UIKeyBinding.cs

@@ -0,0 +1,161 @@
+//----------------------------------------------
+//            NGUI: Next-Gen UI kit
+// Copyright © 2011-2015 Tasharen Entertainment
+//----------------------------------------------
+
+using UnityEngine;
+
+/// <summary>
+/// This class makes it possible to activate or select something by pressing a key (such as space bar for example).
+/// </summary>
+
+[AddComponentMenu("NGUI/Interaction/Key Binding")]
+public class UIKeyBinding : MonoBehaviour
+{
+	public enum Action
+	{
+		PressAndClick,
+		Select,
+		All,
+	}
+
+	public enum Modifier
+	{
+		Any,
+		Shift,
+		Control,
+		Alt,
+		None,
+	}
+
+	/// <summary>
+	/// Key that will trigger the binding.
+	/// </summary>
+
+	public KeyCode keyCode = KeyCode.None;
+
+	/// <summary>
+	/// Modifier key that must be active in order for the binding to trigger.
+	/// </summary>
+
+	public Modifier modifier = Modifier.Any;
+
+	/// <summary>
+	/// Action to take with the specified key.
+	/// </summary>
+
+	public Action action = Action.PressAndClick;
+
+	bool mIgnoreUp = false;
+	bool mIsInput = false;
+	bool mPress = false;
+
+	/// <summary>
+	/// If we're bound to an input field, subscribe to its Submit notification.
+	/// </summary>
+
+	protected virtual void Start ()
+	{
+		UIInput input = GetComponent<UIInput>();
+		mIsInput = (input != null);
+		if (input != null) EventDelegate.Add(input.onSubmit, OnSubmit);
+	}
+
+	/// <summary>
+	/// Ignore the KeyUp message if the input field "ate" it.
+	/// </summary>
+
+	protected virtual void OnSubmit (GameObject go = null) { if (UICamera.currentKey == keyCode && IsModifierActive()) mIgnoreUp = true; }// modify by chenibn
+
+	/// <summary>
+	/// Convenience function that checks whether the required modifier key is active.
+	/// </summary>
+
+	protected virtual bool IsModifierActive ()
+	{
+		if (modifier == Modifier.Any) return true;
+
+		if (modifier == Modifier.Alt)
+		{
+			if (Input.GetKey(KeyCode.LeftAlt) ||
+				Input.GetKey(KeyCode.RightAlt)) return true;
+		}
+		else if (modifier == Modifier.Control)
+		{
+			if (Input.GetKey(KeyCode.LeftControl) ||
+				Input.GetKey(KeyCode.RightControl)) return true;
+		}
+		else if (modifier == Modifier.Shift)
+		{
+			if (Input.GetKey(KeyCode.LeftShift) ||
+				Input.GetKey(KeyCode.RightShift)) return true;
+		}
+		else if (modifier == Modifier.None)
+			return
+				!Input.GetKey(KeyCode.LeftAlt) &&
+				!Input.GetKey(KeyCode.RightAlt) &&
+				!Input.GetKey(KeyCode.LeftControl) &&
+				!Input.GetKey(KeyCode.RightControl) &&
+				!Input.GetKey(KeyCode.LeftShift) &&
+				!Input.GetKey(KeyCode.RightShift);
+		return false;
+	}
+
+	/// <summary>
+	/// Process the key binding.
+	/// </summary>
+
+	protected virtual void Update ()
+	{
+		if (UICamera.inputHasFocus) return;
+		if (keyCode == KeyCode.None || !IsModifierActive()) return;
+
+		bool keyDown = Input.GetKeyDown(keyCode);
+		bool keyUp = Input.GetKeyUp(keyCode);
+
+		if (keyDown) mPress = true;
+
+		if (action == Action.PressAndClick || action == Action.All)
+		{
+			if (keyDown)
+			{
+				UICamera.currentTouch = UICamera.controller;
+				UICamera.currentScheme = UICamera.ControlScheme.Controller;
+				UICamera.currentTouch.current = gameObject;
+				OnBindingPress(true);
+				UICamera.currentTouch.current = null;
+			}
+
+			if (mPress && keyUp)
+			{
+				UICamera.currentTouch = UICamera.controller;
+				UICamera.currentScheme = UICamera.ControlScheme.Controller;
+				UICamera.currentTouch.current = gameObject;
+				OnBindingPress(false);
+				OnBindingClick();
+				UICamera.currentTouch.current = null;
+			}
+		}
+
+		if (action == Action.Select || action == Action.All)
+		{
+			if (keyUp)
+			{
+				if (mIsInput)
+				{
+					if (!mIgnoreUp && !UICamera.inputHasFocus)
+					{
+						if (mPress) UICamera.selectedObject = gameObject;
+					}
+					mIgnoreUp = false;
+				}
+				else if (mPress) UICamera.selectedObject = gameObject;
+			}
+		}
+
+		if (keyUp) mPress = false;
+	}
+
+	protected virtual void OnBindingPress (bool pressed) { UICamera.Notify(gameObject, "OnPress", pressed); }
+	protected virtual void OnBindingClick () { UICamera.Notify(gameObject, "OnClick", null); }
+}