Version: 2020.2

EditorWindow.wantsMouseEnterLeaveWindow

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public bool wantsMouseEnterLeaveWindow ;

描述

检查是否已在此编辑器窗口的 GUI 中收到 MouseEnterWindow 和 MouseLeaveWindow 事件。

如果设置为 true,则每当鼠标进入或离开窗口时,该窗口都会收到一次 OnGUI 调用。

注意:此函数不会自动触发 Repaint()。此外,在进入或离开窗口的同时按下鼠标按钮不会触发任一事件,因为按下鼠标按钮会激活拖动模式(请参阅 EventType.MouseDrag 和其他拖动相关的事件,以了解更多信息)。

// Editor Script that shows how mouse enter and leave window events
// get caught in the Editor window

using UnityEditor; using UnityEngine;

public class WantsMouseEnterLeaveWindowEx : EditorWindow { [MenuItem("Example/wantsMouseEnterLeaveWindow example")] static void Init() { EditorWindow editorWindow = GetWindow(typeof(WantsMouseEnterLeaveWindowEx)); editorWindow.Show(); }

public void OnGUI() { wantsMouseEnterLeaveWindow = EditorGUILayout.Toggle("Receive Enter/Leave: ", wantsMouseEnterLeaveWindow); EditorGUILayout.LabelField("Check Console for MouseEnter/LeaveWindow messages");

// Repaint the window as wantsMouseEnterLeaveWindow doesnt trigger a repaint automatically if (Event.current.type == EventType.MouseEnterWindow || Event.current.type == EventType.MouseLeaveWindow) { Debug.Log("Received event " + ((Event.current.type == EventType.MouseEnterWindow) ? "MouseEnterWindow" : "MouseLeaveWindow")); Repaint(); } } }