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EditorWindow.mouseOverWindow

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public static EditorWindow mouseOverWindow;

Description

The EditorWindow currently under the mouse cursor. (Read Only)

mouseOverWindow can be null if there is no window under the cursor.

See Also: focusedWindow.


Move the mouse over other Unity windows to automatically focus them.

// mouseOverWindow example
//
// The window appears in front of the editor.  When you move
// the cursor over a Unity object the type of it will be
// shown in this new window.

using UnityEngine;
using UnityEditor;

public class MouseOverWindowExample : EditorWindow
{
    string mouseOver = "Nothing...";

    [MenuItem("Examples/mouseOver")]
    static void Init()
    {
        GetWindow<MouseOverWindowExample>("mouseOver");
    }

    void OnGUI()
    {
        GUILayout.Label("Mouse over:\n" + mouseOver);
        if (GUILayout.Button("Close"))
        {
            this.Close();
        }

        mouseOver = EditorWindow.mouseOverWindow ?
            EditorWindow.mouseOverWindow.ToString() : "Nothing...";
    }

    void OnInspectorUpdate()
    {
        if (EditorWindow.mouseOverWindow)
        {
            EditorWindow.mouseOverWindow.Focus();
        }

        this.Repaint();
    }
}

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

Copyright © 2020 Unity Technologies. Publication Date: 2020-06-05.
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