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Forked from fnuecke/FullscreenGameView.cs
Created June 27, 2022 11:53
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#if UNITY_EDITOR
using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;
/// <summary>
/// Little utility for opening a "Game" view in fullscreen. Will be opened on whatever Unity thinks is the "main"
/// monitor at the moment. The hotkey will toggle the window; however, if for some reason this breaks, fullscreen
/// windows can be closed via Alt+F4 as long as the editor is not in play mode.
/// </summary>
/// <remarks>
/// Confirmed to work in Unity 2019 and 2020. May work in earlier and later versions. No promises.
/// </remarks>
public static class FullscreenGameView
{
static readonly Type GameViewType = Type.GetType("UnityEditor.GameView,UnityEditor");
static readonly PropertyInfo ShowToolbarProperty = GameViewType.GetProperty("showToolbar", BindingFlags.Instance | BindingFlags.NonPublic);
static readonly object False = false; // Only box once. This is a matter of principle.
static EditorWindow instance;
[MenuItem("Window/General/Game (Fullscreen) %#&2", priority = 2)]
public static void Toggle()
{
if (GameViewType == null)
{
Debug.LogError("GameView type not found.");
return;
}
if (ShowToolbarProperty == null)
{
Debug.LogWarning("GameView.showToolbar property not found.");
}
if (instance != null)
{
instance.Close();
instance = null;
}
else
{
instance = (EditorWindow) ScriptableObject.CreateInstance(GameViewType);
ShowToolbarProperty?.SetValue(instance, False);
var desktopResolution = new Vector2(Screen.currentResolution.width, Screen.currentResolution.height);
var fullscreenRect = new Rect(Vector2.zero, desktopResolution);
instance.ShowPopup();
instance.position = fullscreenRect;
instance.Focus();
}
}
}
#endif
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