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Question by Skyblade · Jun 28, 2019 at 02:25 PM · editoreditor-scriptingeditorwindoweditorgui

How to get EditorWindow client rect?

I want to create a simple console-like custom EditorWindow in Unity. There is a bunch of lables (console lines).

I'm using GUILayout.Begi/EndScrollView to position all the labels in one column. The problem is that it places all the content inside the rectangle that matches label bounds, not EditowWindow bounds. As a result, I see weird placed scrollbars.

alt text

I would be happy to recalculate ScrollView bounds, but can't find any clue in documentation how to make so. Here is my code:

 using UnityEditor;
 using UnityEngine;
 using System;
  
 public class MyEditorWindow : EditorWindow
 {
    Vector2 scrollPosition = Vector2.zero;
  
    [MenuItem("Window/MyEditorWindow")]
    public static void ShowExample()
    {
        var wnd = GetWindow<MyEditorWindow>();
        wnd.titleContent = new GUIContent("MyEditorWindow");
    }
  
    private void OnGUI()
    {
        scrollPosition = GUILayout.BeginScrollView(scrollPosition, GUILayout.Width(position.width), GUILayout.Height(position.height));
  
        var elapsed = new TimeSpan();
        for (int i = 0; i < 100; i++)
        {
            elapsed = elapsed.Add(TimeSpan.FromSeconds(1));
        }
  
        for (int i = 0; i < 100; i++)
        {
            GUILayout.Label("Some long long long long text");
        }
  
        GUI.EndScrollView();
    }
 }

What is the proper way of making scrolbars which bound to the edges of the EditorWindow?

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Answer by Bunny83 · Jun 28, 2019 at 02:45 PM

Well, the layout system can only distribute the area that is available to the current layout group. For some reason the automatic top layout group has a fix width. Just wrap your code with a GUILayout area:

 GUILayout.BeginArea(new Rect(0,0,position.width, position.height));
 scrollPosition = GUILayout.BeginScrollView(scrollPosition);
 
 // [ ... ]
 
 GUI.EndScrollView();
 GUILayout.EndArea();

edit
Ahh I just realised your mistake ^^. You used GUI.EndScrollView and not GUILayout.EndScrollView. That's why the layouted rect is completely wrong. So just do

 scrollPosition = GUILayout.BeginScrollView(scrollPosition);
 
 // [ ... ]
 
 GUILayout.EndScrollView();

And your scrollview should cover the whole window.

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avatar image Skyblade · Jun 28, 2019 at 03:21 PM 0
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Oh crap, you're right! Thank you so much!

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