Question

如何在 Unity Editor 中绘制自定义菜单

Answer 1

using UnityEngine;
using UnityEditor;
using System.Collections;

// This example shows how to create a context menu inside a custom EditorWindow.
/慎虚培/ context-click the green area to show the menu

public class GenericMenuExample : EditorWindow
{

[MenuItem("Example/Open Window")]
static void Init()
{
var window = GetWindow<GenericMenuExample>();
window.position = new Rect(50, 50, 250, 60);
window.Show();
}

void Callback(object obj)
{
Debug.Log("Selected: " + obj);
}

void OnGUI()
{
Event currentEvent = Event.current;
Rect contextRect = new Rect(10, 10, 100, 100);
EditorGUI.DrawRect(contextRect, Color.green);

if (currentEvent.type == EventType.ContextClick)
{
Vector2 mousePos = currentEvent.mousePosition;
if (contextRect.Contains(mousePos))
{
// Now create the menu, add items and show it
GenericMenu menu = new GenericMenu();
menu.AddItem(new GUIContent("MenuItem1"), false, Callback, "item 1");
menu.AddItem(new GUIContent("MenuItem2"), false, Callback, "item 2");
menu.AddSeparator(""宽唯);
menu.AddItem(new GUIContent("SubMenu/MenuItem3"), false, Callback, "item 3");
menu.ShowAsContext();
currentEvent.Use();
}
}
}
}

using UnityEngine;
using UnityEditor;
using System.Collections;

// This example shows how to create a context menu inside a custom EditorWindow.
// context-click the green area to show the menu

public class GenericMenuExample : EditorWindow
{

[MenuItem("Example/Open Window"誉数)]
static void Init()
{
var window = GetWindow<GenericMenuExample>();
window.position = new Rect(50, 50, 250, 60);
window.Show();
}

void Callback(object obj)
{
Debug.Log("Selected: " + obj);
}

void OnGUI()
{
Event currentEvent = Event.current;
RectcontextRect = new Rect(10, 10, 100, 100);
EditorGUI.DrawRect(contextRect, Color.green);

if (currentEvent.type == EventType.ContextClick)
{
Vector2mousePos = currentEvent.mousePosition;
if (contextRect.Contains(mousePos))
{
// Now create the menu, add items and show it
GenericMenumenu = new GenericMenu();
menu.AddItem(new GUIContent("MenuItem1"), false, Callback, "item 1");
menu.AddItem(new GUIContent("MenuItem2"), false, Callback, "item 2");
menu.AddSeparator("");
menu.AddItem(new GUIContent("SubMenu/MenuItem3"), false, Callback, "item 3");
menu.ShowAsContext();
currentEvent.Use();
}
}
}
}