Unity 分隔条 Spliter

splitview

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1. using UnityEngine;  
2. using UnityEditor;  
3.   
4. public class SplitViewWindow : EditorWindow  
5. {  
6.     private Vector2 scrollPos = Vector2.zero;  
7.     float currentScrollViewHeight;  
8.     bool resize = false;  
9.     Rect cursorChangeRect;  
10.   
11.     [MenuItem("MyWindows/SplitView")]  
12.     public static void Init()  
13.     {  
14.         EditorWindow t = GetWindow<SplitViewWindow>();  
15.     }  
16.   
17.     void OnEnable()  
18.     {  
19.         this.position = new Rect(200, 200, 400, 300);  
20.         currentScrollViewHeight = this.position.height / 2;  
21.         cursorChangeRect = new Rect(0, currentScrollViewHeight, this.position.width, 5f);  
22.     }  
23.   
24.     void OnGUI()  
25.     {  
26.         GUILayout.BeginVertical();  
27.         scrollPos = GUILayout.BeginScrollView(scrollPos, GUILayout.Height(currentScrollViewHeight));  
28.         for (int i = 0; i < 20; i++)  
29.             GUILayout.Label("dfs");  
30.         GUILayout.EndScrollView();  
31.   
32.         ResizeScrollView();  
33.   
34.         GUILayout.FlexibleSpace();  
35.         GUILayout.Label("Lower part");  
36.   
37.         GUILayout.EndVertical();  
38.         Repaint();  
39.     }  
40.   
41.     private void ResizeScrollView()  
42.     {  
43.         GUI.color = Color.blue;  
44.         GUI.DrawTexture(cursorChangeRect, EditorGUIUtility.whiteTexture);  
45.         EditorGUIUtility.AddCursorRect(cursorChangeRect, MouseCursor.ResizeVertical);  
46.   
47.         if (Event.current.type == EventType.mouseDown && cursorChangeRect.Contains(Event.current.mousePosition))  
48.         {  
49.             resize = true;  
50.         }  
51.         if (resize)  
52.         {  
53.             currentScrollViewHeight = Event.current.mousePosition.y;  
54.             cursorChangeRect.Set(cursorChangeRect.x, currentScrollViewHeight, cursorChangeRect.width, cursorChangeRect.height);  
55.         }  
56.         if (Event.current.type == EventType.MouseUp)  
57.             resize = false;  
58.     }  
59. }