scaling act3

Assets/Animations/ForestCamera.anim

@@ -103,7 +103,7 @@ AnimationClip:
         inWeight: 0
         outWeight: 0
       - serializedVersion: 3
-        time: 263.81668
+        time: 260.85
         value: 0
         inSlope: Infinity
         outSlope: Infinity
@@ -159,6 +159,15 @@ AnimationClip:
         weightedMode: 0
         inWeight: 0
         outWeight: 0
+      - serializedVersion: 3
+        time: 96.416664
+        value: 0
+        inSlope: Infinity
+        outSlope: Infinity
+        tangentMode: 103
+        weightedMode: 0
+        inWeight: 0
+        outWeight: 0
       - serializedVersion: 3
         time: 104.51667
         value: 0
@@ -496,8 +505,8 @@ AnimationClip:
         inWeight: 0
         outWeight: 0
       - serializedVersion: 3
-        time: 263.81668
-        value: 1
+        time: 260.85
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103
@@ -881,7 +890,7 @@ AnimationClip:
       m_Curve:
       - serializedVersion: 3
         time: 0
-        value: 1
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103
@@ -899,7 +908,7 @@ AnimationClip:
         outWeight: 0
       - serializedVersion: 3
         time: 272.13333
-        value: 1
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103
@@ -1270,7 +1279,7 @@ AnimationClip:
         inWeight: 0
         outWeight: 0
       - serializedVersion: 3
-        time: 263.81668
+        time: 260.85
         value: 0
         inSlope: Infinity
         outSlope: Infinity
@@ -1326,6 +1335,15 @@ AnimationClip:
         weightedMode: 0
         inWeight: 0
         outWeight: 0
+      - serializedVersion: 3
+        time: 96.416664
+        value: 0
+        inSlope: Infinity
+        outSlope: Infinity
+        tangentMode: 103
+        weightedMode: 0
+        inWeight: 0
+        outWeight: 0
       - serializedVersion: 3
         time: 104.51667
         value: 0
@@ -1663,8 +1681,8 @@ AnimationClip:
         inWeight: 0
         outWeight: 0
       - serializedVersion: 3
-        time: 263.81668
-        value: 1
+        time: 260.85
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103
@@ -2048,7 +2066,7 @@ AnimationClip:
       m_Curve:
       - serializedVersion: 3
         time: 0
-        value: 1
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103
@@ -2066,7 +2084,7 @@ AnimationClip:
         outWeight: 0
       - serializedVersion: 3
         time: 272.13333
-        value: 1
+        value: 0
         inSlope: Infinity
         outSlope: Infinity
         tangentMode: 103

Assets/Fullscreen.meta

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+licenseType: Store
+DefaultImporter:
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+  assetBundleVariant: 

Assets/Fullscreen/Editor.meta

@@ -0,0 +1,9 @@
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+folderAsset: yes
+timeCreated: 1471207248
+licenseType: Store
+DefaultImporter:
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/After.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Diagnostics;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    /// <summary>Utility class for running async tasks within the main thread.</summary>
+    public static class After {
+
+        /// <summary>Wait for a condition to become true, then executes the callback.</summary>
+        /// <param name="condition">Function that will be called every frame that returns whether to invoke the callback or not.</param>
+        /// <param name="callback">The callback to be called when the condition becomes true.</param>
+        /// <param name="timeoutMs">Maximum time to wait in milliseconds before cancelling the callback.</param>
+        public static void Condition(Func<bool> condition, Action callback, double timeoutMs = 0d) {
+            var update = new EditorApplication.CallbackFunction(() => { });
+            var timeoutsAt = EditorApplication.timeSinceStartup + (timeoutMs / 1000d);
+            var stack = new StackFrame(1, true);
+
+            update = () => {
+                if (timeoutMs > 0d && EditorApplication.timeSinceStartup >= timeoutsAt) {
+                    EditorApplication.update -= update;
+                    Logger.Error("Condition timedout at {0}:{1}", stack.GetFileName(), stack.GetFileLineNumber());
+                    return;
+                }
+
+                if (condition()) {
+                    EditorApplication.update -= update;
+                    callback();
+                }
+            };
+
+            EditorApplication.update += update;
+        }
+
+        /// <summary>Wait for the given amount of editor frames, then executes the callback.</summary>
+        /// <param name="frames">The number of frames to wait for.</param>
+        /// <param name="callback">The callback to be called after the specified frames.</param>
+        public static void Frames(int frames, Action callback) {
+            var f = 0;
+            Condition(() => f++ >= frames, callback);
+        }
+
+        /// <summary>Wait for the given time, then executes the callback.</summary>
+        /// <param name="milliseconds">How long to wait until calling the callback, in milliseconds.</param>
+        /// <param name="callback">The callback to be called after the specified time.</param>
+        public static void Milliseconds(double milliseconds, Action callback) {
+            var end = EditorApplication.timeSinceStartup + (milliseconds / 1000f);
+            Condition(() => EditorApplication.timeSinceStartup >= end, callback);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/After.cs.meta

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Assets/Fullscreen/Editor/Cmd.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Diagnostics;
+using System.Text;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    public static class Cmd {
+
+        public static string Run(string command, params object[] formatArgs) {
+            return Run(command, false, formatArgs);
+        }
+
+        public static string Run(string command, bool asAdmin, params object[] formatArgs) {
+            command = string.Format(command, formatArgs);
+
+            var stdout = string.Empty;
+            var stderr = string.Empty;
+            var exitCode = Run(command, asAdmin, out stdout, out stderr);
+
+            if (exitCode == 0)
+                return stdout.Trim();
+
+            throw new Exception(string.Format("Command {0} exited with code {1}", command, exitCode));
+        }
+
+        public static int Run(string command, bool asAdmin, out string stdout, out string stderr) {
+            var proc = new Process();
+            var stdoutBuilder = new StringBuilder();
+            var stderrBuilder = new StringBuilder();
+
+            proc.EnableRaisingEvents = true;
+
+            if (Application.platform == RuntimePlatform.WindowsEditor)
+                proc.StartInfo = new ProcessStartInfo() {
+                    FileName = "cmd.exe",
+                    Arguments = "/C \"" + command + "\"",
+                    UseShellExecute = asAdmin,
+                    RedirectStandardError = !asAdmin,
+                    RedirectStandardOutput = !asAdmin,
+                    Verb = asAdmin? "runas": "",
+                    CreateNoWindow = !asAdmin,
+                    WorkingDirectory = Environment.CurrentDirectory
+                };
+            else
+                proc.StartInfo = new ProcessStartInfo() {
+                    FileName = "/bin/bash",
+                    Arguments = "-c \"" + command + "\"",
+                    UseShellExecute = asAdmin,
+                    RedirectStandardError = !asAdmin,
+                    RedirectStandardOutput = !asAdmin,
+                    CreateNoWindow = !asAdmin,
+                    WorkingDirectory = Environment.CurrentDirectory
+                };
+
+            if (!asAdmin) {
+                proc.OutputDataReceived += (sender, args) => {
+                    if (!string.IsNullOrEmpty(args.Data))
+                        stdoutBuilder.AppendLine(args.Data);
+                };
+
+                proc.ErrorDataReceived += (sender, args) => {
+                    if (!string.IsNullOrEmpty(args.Data))
+                        stderrBuilder.AppendLine(args.Data);
+                };
+            }
+
+            //proc.Exited += (sender, args) => {
+            //    Debug.LogWarningFormat("Command {0} exited with code {1}", command, proc.ExitCode);
+            //};
+
+            if (proc.Start()) {
+                if (!asAdmin) {
+                    proc.BeginOutputReadLine();
+                    proc.BeginErrorReadLine();
+                }
+                proc.WaitForExit();
+
+                stdout = stdoutBuilder.ToString();
+                stderr = stderrBuilder.ToString();
+
+                Logger.Debug("{3}: {0}\nstdout: {1}\nstderr: {2}", command, stdout, stderr, proc.ExitCode);
+
+                return proc.ExitCode;
+            }
+
+            throw new Exception(string.Format("Failed to start process for {0}", command));
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Cmd.cs.meta

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Assets/Fullscreen/Editor/DisableSceneView.cs

@@ -0,0 +1,151 @@
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    public class DisableSceneView {
+
+        // TODO: Patcher resets the method to original after a while
+        // TODO: or the shouldSkipRender is not being properly calculated
+        private static Patcher patcher = null;
+
+        public static bool RenderingDisabled {
+            get {
+                return patcher == null ? false : patcher.IsPatched();
+            }
+            set {
+                if(patcher == null) return;
+
+                if(value == patcher.IsPatched())
+                    return;
+                else if(!value)
+                    patcher.Revert();
+                else if(FullscreenPreferences.DisableSceneViewRendering)
+                    patcher.SwapMethods();
+
+                if(!value || FullscreenPreferences.DisableSceneViewRendering)
+                    foreach(var c in SceneView.GetAllSceneCameras())
+                        c.gameObject.SetActive(!value);
+
+                Logger.Debug("{0} Scene View Rendering", value ? "Disabled" : "Enabled");
+                SceneView.RepaintAll();
+            }
+        }
+
+        [InitializeOnLoadMethod]
+        private static void Init() {
+            if(!Patcher.IsSupported()) return;
+
+            var sceneGUIName = ReflectionUtility.HasMethod(typeof(SceneView), "OnSceneGUI") ? "OnSceneGUI" : "OnGUI";
+
+            patcher = new Patcher(
+                    typeof(SceneView).FindMethod(sceneGUIName), // Original method
+                    typeof(DisableSceneView).FindMethod("OnGUI") // Replacement
+                );
+
+            SceneView.beforeSceneGui += OnBeforeSceneGUI;
+
+            // Initial
+            RenderingDisabled = Fullscreen.GetAllFullscreen().Length > 0;
+
+            // On preferences change
+            FullscreenPreferences.DisableSceneViewRendering.OnValueSaved += (v) =>
+                RenderingDisabled = v && Fullscreen.GetAllFullscreen().Length > 0;
+
+            // On fullscreen open
+            FullscreenCallbacks.afterFullscreenOpen += (f) =>
+                RenderingDisabled = true;
+
+            // Disable the patching if we're the last fullscreen open
+            FullscreenCallbacks.afterFullscreenClose += (f) => {
+                if(Fullscreen.GetAllFullscreen().Length <= 1)
+                    RenderingDisabled = false;
+            };
+        }
+
+        private static void OnBeforeSceneGUI(SceneView sceneView) {
+            var shouldRender = !RenderingDisabled || Fullscreen.GetFullscreenFromView(new ViewPyramid(sceneView).Container, false);
+            sceneView.autoRepaintOnSceneChange = shouldRender;
+        }
+
+        // This should not be a static method, as static has no this
+        // However, the 'this' in the method is unreliable and should be casted before using
+        private void OnGUI() {
+            var _this = (object)this as SceneView;
+            var vp = new ViewPyramid(_this);
+            var shouldRender = Fullscreen.GetFullscreenFromView(vp.Container, false); // Render if this window is in fullscreen
+
+            if(shouldRender) {
+                // Do this outside of OnGUI to prevent controls count errors
+                After.Frames(1, () => EnableRenderingTemporarily());
+            } else {
+                _this.autoRepaintOnSceneChange = false;
+                CustomOnGUI();
+            }
+        }
+
+        private static class Styles {
+
+            public static readonly GUIStyle textStyle = new GUIStyle("BoldLabel");
+            public static readonly GUIStyle backgroundShadow = new GUIStyle("InnerShadowBg");
+            public static readonly GUIStyle buttonStyle = new GUIStyle("LargeButton");
+            public static readonly GUIStyle secondaryTextStyle = new GUIStyle(EditorStyles.centeredGreyMiniLabel);
+
+            static Styles() {
+                textStyle.wordWrap = true;
+                textStyle.alignment = TextAnchor.MiddleCenter;
+            }
+
+        }
+
+        private void CustomOnGUI() {
+            using(var mainScope = new EditorGUILayout.VerticalScope(Styles.backgroundShadow)) {
+                using(new GUIColor(Styles.textStyle.normal.textColor * 0.05f))
+                    GUI.DrawTexture(mainScope.rect, FullscreenUtility.FullscreenIcon, ScaleMode.ScaleAndCrop);
+
+                GUILayout.FlexibleSpace();
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+
+                    using(new GUIContentColor(Styles.textStyle.normal.textColor))
+                        GUILayout.Label(FullscreenUtility.FullscreenIcon, Styles.textStyle);
+
+                    using(new EditorGUILayout.VerticalScope()) {
+                        GUILayout.Label("Scene View rendering has been disabled\nto improve fullscreen performance", Styles.textStyle);
+                    }
+
+                    GUILayout.FlexibleSpace();
+                }
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+                    if(GUILayout.Button("Enable Temporarily", Styles.buttonStyle)) {
+                        // Do this outside of OnGUI to prevent controls count errors
+                        After.Frames(1, () => EnableRenderingTemporarily());
+                        var _this = (object)this as SceneView;
+                        _this.Focus();
+                    }
+                    if(GUILayout.Button("Enable Permanently", Styles.buttonStyle)) {
+                        // Do this outside of OnGUI to prevent controls count errors
+                        After.Frames(1, () => EnableRenderingPermanently());
+                        var _this = (object)this as SceneView;
+                        _this.Focus();
+                    }
+                    GUILayout.FlexibleSpace();
+                }
+
+                GUILayout.Label("* This can be changed later in the preferences", Styles.secondaryTextStyle);
+                GUILayout.FlexibleSpace();
+            }
+        }
+
+        public static void EnableRenderingTemporarily() {
+            RenderingDisabled = false;
+        }
+
+        public static void EnableRenderingPermanently() {
+            FullscreenPreferences.DisableSceneViewRendering.Value = false;
+        }
+
+    }
+}

Assets/Fullscreen/Editor/DisableSceneView.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/Displays.meta

@@ -0,0 +1,8 @@
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Assets/Fullscreen/Editor/Displays/DisplayInfo.windows.cs

@@ -0,0 +1,184 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using FullscreenEditor.Windows;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace FullscreenEditor {
+
+    [System.Serializable]
+    public class DisplayInfo {
+        public bool PrimaryDisplay;
+
+        public float ScreenHeight {
+            get { return MonitorArea.yMax - MonitorArea.yMin; }
+        }
+        public float ScreenWidth {
+            get { return MonitorArea.xMax - MonitorArea.xMin; }
+        }
+
+        public float scaleFactor2;
+
+        public int LogicalScreenHeight;
+        public int PhysicalScreenHeight;
+
+        public string DeviceName {
+            get { return displayDevice.DeviceName; }
+        }
+
+        public string FriendlyName {
+            get { return displayDevice.DeviceString; }
+        }
+
+        public Rect MonitorArea;
+        public Rect WorkArea;
+
+        internal DevMode devMode;
+        internal DisplayDevice displayDevice;
+
+        public Rect DpiCorrectedArea {
+            get {
+                var firstDisplayInfo = DisplayInfo.GetDisplay(0);
+                var monitorArea = MonitorArea;
+
+                var origin = monitorArea.min;
+                var size = monitorArea.size;
+
+                return new Rect(
+                    Mathf.Round(origin.x / firstDisplayInfo.scaleFactor2),
+                    Mathf.Round(origin.y / firstDisplayInfo.scaleFactor2),
+                    Mathf.Round(size.x / scaleFactor2),
+                    Mathf.Round(size.y / scaleFactor2)
+                );
+            }
+        }
+
+        public Rect UnityCorrectedArea {
+            get {
+                var rect = DpiCorrectedArea;
+                return InternalEditorUtility.GetBoundsOfDesktopAtPoint(rect.center);
+            }
+        }
+
+        public Rect PhysicalArea {
+            get {
+                return new Rect(
+                    devMode.dmPositionX,
+                    devMode.dmPositionY,
+                    devMode.dmPelsWidth,
+                    devMode.dmPelsHeight
+                );
+            }
+        }
+
+        public float scaleFactor {
+            get { return devMode.dmPelsWidth / (MonitorArea.xMax - MonitorArea.xMin); }
+        }
+
+        public static List<DisplayInfo> GetDisplays() {
+            var list = new List<DisplayInfo>();
+
+            try {
+                User32.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
+                    (IntPtr hMonitor, IntPtr hdcMonitor, ref NativeRect lprcMonitor, IntPtr dwData) => {
+                        var mi = new MonitorInfoEx();
+                        mi.Init();
+                        mi.size = Marshal.SizeOf(mi);
+                        mi.size = 72;
+                        var success = User32.GetMonitorInfo(hMonitor, ref mi);
+                        if (success) {
+                            var di = new DisplayInfo();
+                            di.MonitorArea = mi.monitor;
+                            di.WorkArea = mi.work;
+                            di.PrimaryDisplay = (mi.flags & 1) != 0;
+
+                            di.LogicalScreenHeight = GDI32.GetDeviceCaps(hMonitor, (int)GDI32.DeviceCap.VERTRES);
+                            di.PhysicalScreenHeight = GDI32.GetDeviceCaps(hMonitor, (int)GDI32.DeviceCap.DESKTOPVERTRES);
+
+                            // TransformToPixels(0, 0, out var x, out var y);
+
+                            uint dpiX;
+                            uint dpiY;
+
+                            try {
+                                ShCore.GetDpiForMonitor(
+                                    hMonitor,
+                                    MonitorDpiType.MDT_EFFECTIVE_DPI,
+                                    out dpiX,
+                                    out dpiY
+                                );
+                            } catch {
+                                dpiX = 96;
+                                dpiY = 96;
+                            }
+
+                            di.scaleFactor2 = dpiX / 96f;
+                            list.Add(di);
+                        } else {
+                            Logger.Debug("Getting monitor info failed");
+                        }
+
+                        return true;
+                    }, IntPtr.Zero);
+
+                AddAdditionalInfos(list);
+            } catch (Exception e) {
+                Logger.Exception(e);
+            }
+
+            return list;
+        }
+
+        public static DisplayInfo GetDisplay(int index) {
+            var displays = GetDisplays();
+
+            if (displays != null && index >= 0 && index < displays.Count) {
+                return displays[index];
+            }
+
+            return null;
+        }
+
+        private static void AddAdditionalInfos(List<DisplayInfo> displayInfo) {
+            for (int id = 0; id < displayInfo.Count; id++) {
+                var vDevMode = new DevMode();
+                var d = new DisplayDevice();
+
+                d.cb = Marshal.SizeOf(d);
+
+                try {
+                    User32.EnumDisplayDevices(displayInfo[id].DeviceName, 0, ref d, 0);
+
+                    d.cb = Marshal.SizeOf(d);
+
+                    if ((d.StateFlags & DisplayDeviceStateFlags.AttachedToDesktop) == DisplayDeviceStateFlags.AttachedToDesktop) {
+                        User32.EnumDisplaySettings(displayInfo[id].DeviceName, -1, ref vDevMode);
+                        displayInfo[id].devMode = vDevMode;
+                    }
+
+                    displayInfo[id].displayDevice = d;
+                } catch (Exception e) {
+                    Logger.Exception(e);
+                }
+            }
+        }
+
+        private static void TransformToPixels(double unitX, double unitY, out int pixelX, out int pixelY) {
+            var hDc = User32.GetDC(IntPtr.Zero);
+
+            if (hDc != IntPtr.Zero) {
+                var dpiX = GDI32.GetDeviceCaps(hDc, (int)GDI32.DeviceCap.VERTRES);
+                var dpiY = GDI32.GetDeviceCaps(hDc, (int)GDI32.DeviceCap.DESKTOPVERTRES);
+
+                User32.ReleaseDC(IntPtr.Zero, hDc);
+
+                pixelX = (int)(((double)dpiX / 96) * unitX);
+                pixelY = (int)(((double)dpiY / 96) * unitY);
+            } else {
+                throw new ArgumentNullException("Failed to get DC.");
+            }
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Displays/DisplayInfo.windows.cs.meta

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Assets/Fullscreen/Editor/Disposables.cs

@@ -0,0 +1,109 @@
+using System;
+using UnityEditor;
+using UnityEditor.AnimatedValues;
+using UnityEngine;
+
+namespace FullscreenEditor {
+
+    public struct GUIBackgroundColor : IDisposable {
+        private readonly Color before;
+
+        public GUIBackgroundColor(Color color) {
+            before = GUI.backgroundColor;
+            GUI.backgroundColor = color;
+        }
+
+        public void Dispose() {
+            GUI.backgroundColor = before;
+        }
+    }
+
+    public struct GUIContentColor : IDisposable {
+        private readonly Color before;
+
+        public GUIContentColor(Color color) {
+            before = GUI.contentColor;
+            GUI.contentColor = color;
+        }
+
+        public void Dispose() {
+            GUI.contentColor = before;
+        }
+    }
+
+    public struct GUIColor : IDisposable {
+        private readonly Color before;
+
+        public GUIColor(Color color) {
+            before = GUI.color;
+            GUI.color = color;
+        }
+
+        public GUIColor(Color color, float alpha) {
+            before = GUI.color;
+            color.a = alpha;
+            GUI.color = color;
+        }
+
+        public void Dispose() {
+            GUI.color = before;
+        }
+    }
+
+    public sealed class GUIIndent : IDisposable {
+        public GUIIndent() {
+            EditorGUI.indentLevel++;
+        }
+
+        public GUIIndent(string label) {
+            EditorGUILayout.LabelField(label);
+            EditorGUI.indentLevel++;
+        }
+
+        public void Dispose() {
+            EditorGUI.indentLevel--;
+            EditorGUILayout.Separator();
+        }
+    }
+
+    public struct GUIEnabled : IDisposable {
+        private readonly bool before;
+
+        public GUIEnabled(bool enabled) {
+            before = GUI.enabled;
+            GUI.enabled = before && enabled;
+        }
+
+        public void Dispose() {
+            GUI.enabled = before;
+        }
+    }
+
+    public sealed class GUIFade : IDisposable {
+        private AnimBool anim;
+
+        public bool Visible { get; private set; }
+
+        public GUIFade() {
+            Visible = true;
+        }
+
+        public void SetTarget(bool target) {
+            if (anim == null) {
+                anim = new AnimBool(target);
+                anim.valueChanged.AddListener(() => {
+                    if (EditorWindow.focusedWindow)
+                        EditorWindow.focusedWindow.Repaint();
+                });
+            }
+
+            anim.target = target;
+            Visible = EditorGUILayout.BeginFadeGroup(anim.faded);
+        }
+
+        public void Dispose() {
+            EditorGUILayout.EndFadeGroup();
+        }
+    }
+
+}

Assets/Fullscreen/Editor/Disposables.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/FixGameViewMouseInput.cs

@@ -0,0 +1,26 @@
+using UnityEditor;
+
+namespace FullscreenEditor {
+    [InitializeOnLoad]
+    // Issue #93
+    public class FixGameViewMouseInput {
+
+        static FixGameViewMouseInput() {
+            FullscreenCallbacks.afterFullscreenOpen += fs => UpdateGameViewArea(fs);
+        }
+
+        public static void UpdateGameViewArea(FullscreenContainer fs) {
+            After.Frames(50, () => {
+                var window = fs.ActualViewPyramid.Window;
+                if (window && window.IsOfType(Types.PlayModeView)) {
+                    Logger.Debug("Fixing game view area");
+                    FullscreenUtility.FocusView(FullscreenUtility.GetMainView());
+
+                    // Issue #95, fix Input.mouseScrollDelta
+                    window.Focus();
+                }
+            });
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FixGameViewMouseInput.cs.meta

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Assets/Fullscreen/Editor/Fullscreen.cs

@@ -0,0 +1,166 @@
+using System;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using UnityEditor;
+using UnityEngine;
+
+[assembly: InternalsVisibleToAttribute("FullscreenTests")]
+
+namespace FullscreenEditor {
+    /// <summary>Main entry point for finding, creating and closing <see cref="FullscreenContainer"/>.</summary>
+    public static class Fullscreen {
+
+        private static FullscreenContainer[] cachedFullscreen;
+        private static FullscreenContainer[] cachedFullscreenAll;
+
+        [InitializeOnLoadMethod]
+        private static void InitCache() {
+            GetAllFullscreen(false, true);
+
+            FullscreenCallbacks.beforeFullscreenOpen += (f) => GetAllFullscreen(false, true);
+            FullscreenCallbacks.afterFullscreenOpen += (f) => GetAllFullscreen(false, true);
+            FullscreenCallbacks.beforeFullscreenClose += (f) => GetAllFullscreen(false, true);
+            FullscreenCallbacks.afterFullscreenClose += (f) => GetAllFullscreen(false, true);
+        }
+
+        /// <summary>Return all <see cref="FullscreenContainer"/> instances.</summary>
+        /// <param name="cached">Allow returning cached content.</param>
+        /// <param name="ignoreUnknownState">Do not return fullscreen containers that don't have a valid ContainerWindow.</param>
+        public static FullscreenContainer[] GetAllFullscreen(bool cached = true, bool ignoreUnknownState = true) {
+
+            if(cached && cachedFullscreen != null && cachedFullscreenAll != null)
+                return ignoreUnknownState ?
+                    cachedFullscreen :
+                    cachedFullscreenAll;
+
+            cachedFullscreenAll = Resources.FindObjectsOfTypeAll<FullscreenContainer>();
+
+            if(!ignoreUnknownState)
+                return cachedFullscreenAll;
+
+            cachedFullscreen = cachedFullscreenAll
+                .Where(fs => fs.m_dst.Container != null)
+                .ToArray();
+
+            return cachedFullscreen;
+        }
+
+        /// <summary>Get the <see cref="FullscreenContainer"/> on the given point, or null if there is none.</summary>
+        public static FullscreenContainer GetFullscreenOnPoint(Vector2 point) {
+            return GetAllFullscreen()
+                .FirstOrDefault(fullscreen => fullscreen.Rect.Contains(point));
+        }
+
+        /// <summary>Get the <see cref="FullscreenContainer"/> that overlaps the given rect, or null if there is none.</summary>
+        public static FullscreenContainer GetFullscreenOnRect(Rect rect) {
+            return GetAllFullscreen()
+                .FirstOrDefault(fullscreen => fullscreen.Rect.Overlaps(rect));
+        }
+
+        /// <summary>Returns the parent <see cref="FullscreenContainer"/> for a given view or window, or null if it's not in fullscreen.</summary>
+        /// <param name="rootView">Compare by the root view, otherwise compare by the container.</param>
+        public static FullscreenContainer GetFullscreenFromView(ScriptableObject viewOrWindow, bool rootView = true) {
+            if(!viewOrWindow)
+                return null;
+
+            var pyramid = new ViewPyramid(viewOrWindow);
+
+            return Fullscreen
+                .GetAllFullscreen()
+                .FirstOrDefault(fullscreen => rootView ?
+                    fullscreen.ActualViewPyramid.View == pyramid.View :
+                    fullscreen.ActualViewPyramid.Container == pyramid.Container
+                );
+        }
+
+        /// <summary>Create a <see cref="FullscreenWindow"/> for a given window.</summary>
+        /// <param name="window">The window that will go fullscreen. If null a new one will be instantiated based on the given type.</param>
+        /// <typeparam name="T">The type of the window to instantiate if the given window is null.</typeparam>
+        /// <returns>Returns the newly created <see cref="FullscreenWindow"/>.</returns>
+        public static FullscreenWindow MakeFullscreen<T>(T window = null) where T : EditorWindow {
+            return MakeFullscreen(typeof(T), window);
+        }
+
+        /// <summary>Create a <see cref="FullscreenWindow"/> for a given window.</summary>
+        /// <param name="type">The type of the window to instantiate if the given window is null.</param>
+        /// <param name="window">The window that will go fullscreen. If null a new one will be instantiated based on the given type.</param>
+        /// <param name="disposableWindow">Set this to true when the target window was created solely for fullscreen,
+        /// this will cause it to be destroyed once the fullscreen closes, it has no effects if the target window is null.</param>
+        /// <returns>Returns the newly created <see cref="FullscreenWindow"/>.</returns>
+        public static FullscreenWindow MakeFullscreen(Type type, EditorWindow window = null, bool disposableWindow = false) {
+            var rect = FullscreenRects.GetFullscreenRect(FullscreenPreferences.RectSource, window);
+            var fullscreen = ScriptableObject.CreateInstance<FullscreenWindow>();
+
+            fullscreen.OpenWindow(rect, type, window, disposableWindow);
+            return fullscreen;
+        }
+
+        /// <summary>Create a <see cref="FullscreenView"/> for a given view.</summary>
+        /// <param name="view">The view that will go fullscreen, cannot be null.</param>
+        /// <returns>Returns the newly created <see cref="FullscreenView"/>.</returns>
+        public static FullscreenView MakeFullscreen(ScriptableObject view) {
+            if(!view)
+                throw new ArgumentNullException("view");
+
+            view.EnsureOfType(Types.View);
+
+            var rect = FullscreenRects.GetFullscreenRect(FullscreenPreferences.RectSource, view);
+            var fullscreen = ScriptableObject.CreateInstance<FullscreenView>();
+
+            fullscreen.OpenView(rect, view);
+
+            return fullscreen;
+        }
+
+        /// <summary>Open a new fullscreen if there's none open, otherwise, close the one already open.</summary>
+        /// <param name="window">The window that will go fullscreen. If null a new one will be instantiated based on the given type.</param>
+        /// <typeparam name="T">The type of the window to instantiate if the given window is null.</typeparam>
+        public static void ToggleFullscreen<T>(T window = null) where T : EditorWindow {
+            ToggleFullscreen(typeof(T), window);
+        }
+
+        /// <summary>Open a new fullscreen if there's none open, otherwise, close the one already open.</summary>
+        /// <param name="window">The window that will go fullscreen. If null a new one will be instantiated based on the given type.</param>
+        /// <param name="type">The type of the window to instantiate if the given window is null.</param>
+        public static void ToggleFullscreen(Type type, EditorWindow window = null) {
+            var rect = FullscreenRects.GetFullscreenRect(FullscreenPreferences.RectSource, window);
+            var oldFullscreen = GetFullscreenFromView(window);
+
+            if(oldFullscreen) {
+                oldFullscreen.Close();
+                return;
+            }
+
+            oldFullscreen = GetFullscreenOnRect(rect);
+
+            var newFullscreen = MakeFullscreen(type, window);
+
+            newFullscreen.didPresent += () => {
+                if(oldFullscreen)
+                    oldFullscreen.Close();
+            };
+        }
+
+        /// <summary>Open a new fullscreen if there's none open, otherwise, close the one already open.</summary>
+        /// <param name="view">The view that will go fullscreen, cannot be null.</param>
+        public static void ToggleFullscreen(ScriptableObject view) {
+            var rect = FullscreenRects.GetFullscreenRect(FullscreenPreferences.RectSource, view);
+            var oldFullscreen = GetFullscreenFromView(view);
+
+            if(oldFullscreen) {
+                oldFullscreen.Close();
+                return;
+            }
+
+            oldFullscreen = GetFullscreenOnRect(rect);
+
+            var newFullscreen = MakeFullscreen(view);
+
+            newFullscreen.didPresent += () => {
+                if(oldFullscreen)
+                    oldFullscreen.Close();
+            };
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Fullscreen.cs.meta

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Assets/Fullscreen/Editor/FullscreenCallbacks.cs

@@ -0,0 +1,32 @@
+using System;
+
+namespace FullscreenEditor {
+    /// <summary>
+    /// Utility callbacks for fullscreen state changes.
+    /// </summary>
+    public static class FullscreenCallbacks {
+
+        /// <summary>
+        /// Callback called before the views are restored to their original position.
+        /// </summary>
+        public static Action<FullscreenContainer> beforeFullscreenClose = (f) => { };
+
+        /// <summary>
+        /// Callback called before the container for the fullscreen view is created and
+        /// the views are moved between ContainerWindows.
+        /// </summary>
+        public static Action<FullscreenContainer> beforeFullscreenOpen = (f) => { };
+
+        /// <summary>
+        /// Callback called in the OnDestroy method of the FullscreenContainer, after the
+        /// views have been reverted to their orignal positions.
+        /// </summary>
+        public static Action<FullscreenContainer> afterFullscreenClose = (f) => { };
+
+        /// <summary>
+        /// Callback called after the fullscreen is opened and everything is already set up.
+        /// </summary>
+        public static Action<FullscreenContainer> afterFullscreenOpen = (f) => { };
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenCallbacks.cs.meta

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Assets/Fullscreen/Editor/FullscreenContainer.cs

@@ -0,0 +1,135 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using UnityObject = UnityEngine.Object;
+using HostView = UnityEngine.ScriptableObject;
+using View = UnityEngine.ScriptableObject;
+using ContainerWindow = UnityEngine.ScriptableObject;
+
+namespace FullscreenEditor {
+    /// <summary>Manages the WindowContainers, Views and Windows that will be fullscreened.</summary>
+    public abstract partial class FullscreenContainer : ScriptableObject {
+
+        [SerializeField] private int m_ourIndex = -1;
+        [SerializeField] private bool m_old = false;
+
+        public Action didPresent = () => Logger.Debug("'Did Present' called");
+
+        private static int CurrentIndex {
+            get { return EditorPrefs.GetInt("FullscreenIdx", 0); }
+            set { EditorPrefs.SetInt("FullscreenIdx", value); }
+        }
+
+        /// <summary>The true view pyramid of this fullscreen container.</summary>
+        public ViewPyramid ActualViewPyramid {
+            get { return new ViewPyramid(m_dst.Container); }
+        }
+
+        /// <summary>The view that is currently fullscreened.</summary>
+        public View FullscreenedView {
+            get { return ActualViewPyramid.View; }
+        }
+
+        /// <summary>Position and size of the WindowContainer created for this fullscreen.</summary>
+        public Rect Rect {
+            get {
+                return m_dst.Container ?
+                    m_dst.Container.GetPropertyValue<Rect>("position") :
+                    new Rect();
+            }
+            set {
+                if (m_dst.Container) {
+                    m_dst.Container.InvokeMethod("SetMinMaxSizes", value.size, value.size);
+                    m_dst.Container.SetPropertyValue("position", value);
+                    Logger.Debug("Set {0} rect to {1}", this.name, value);
+                } else
+                    Logger.Debug("No container on {0}, rect will not be set", this.name);
+            }
+        }
+
+        private void Update() {
+            if (!m_dst.Container)
+                Close(); // Forcefully closed
+        }
+
+        protected virtual void OnEnable() {
+
+            if (m_ourIndex == -1) {
+                m_ourIndex = CurrentIndex++;
+                name = string.Format("Fullscreen #{0}", m_ourIndex);
+                hideFlags = HideFlags.HideAndDontSave;
+            }
+
+            #if UNITY_2018_1_OR_NEWER
+            EditorApplication.wantsToQuit += WantsToQuit;
+            #endif
+
+            if (m_old && !m_dst.Container) {
+                Logger.Warning("{0} wasn't properly closed", name);
+                // After 1 frame to prevent OnDisable and OnDestroy from being called before this methods returns
+                After.Frames(1, () => DestroyImmediate(this, true));
+            }
+
+            m_old = true;
+            EditorApplication.update += Update;
+        }
+
+        protected virtual void OnDisable() {
+            EditorApplication.update -= Update;
+            #if UNITY_2018_1_OR_NEWER
+            EditorApplication.wantsToQuit += WantsToQuit;
+            #endif
+        }
+
+        protected virtual void OnDestroy() {
+            Logger.Debug(name + " destroyed");
+
+            if (m_dst.Container) {
+                m_dst.Container.InvokeMethod("Close");
+                Logger.Warning("Destroying {0} which has open containers, always close the fullscreen before destroying it", name);
+            }
+
+            FullscreenCallbacks.afterFullscreenClose(this);
+        }
+
+        /// <summary>Destroy this container and exit fullscreen.</summary>
+        public virtual void Close() {
+
+            FullscreenCallbacks.beforeFullscreenClose(this);
+
+            if (!m_dst.Window && m_dst.Container)
+                Logger.Error("Placeholder window has been closed, Fullscreen Editor won't be able to restore window position");
+
+            if (m_dst.Container) // Container may have been destroyed by Alt+F4
+                m_dst.Container.InvokeMethod("Close"); // Closes the container, all its views and the windows
+
+            DestroyImmediate(this, true);
+
+        }
+
+        /// <summary>Focus the view of this fullscreen.</summary>
+        public virtual void Focus() {
+            if (FullscreenedView && FullscreenedView.IsOfType(Types.GUIView))
+                FullscreenUtility.FocusView(FullscreenedView);
+        }
+
+        /// <summary>Gets wheter the view of this fullscreen is focused or not.</summary>
+        public virtual bool IsFocused() {
+            return FullscreenUtility.IsViewFocused(FullscreenedView);
+        }
+
+        #if UNITY_2018_1_OR_NEWER
+        private bool WantsToQuit() {
+            // Close the fullscreen before closing the editor, this way we have a better
+            // ensurance that the fullscreen container will not be saved to the layout.
+            // ContainerWindow.m_DontSaveToLayout is set to true, so in Unity < 2018.1 the
+            // fullscreen will behave the same as if it was closed by Alt+F4.
+            Close();
+            return true;
+        }
+        #endif
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenContainer.cs.meta

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Assets/Fullscreen/Editor/FullscreenContainerInternal.cs

@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using UnityObject = UnityEngine.Object;
+using HostView = UnityEngine.ScriptableObject;
+using View = UnityEngine.ScriptableObject;
+using ContainerWindow = UnityEngine.ScriptableObject;
+
+namespace FullscreenEditor {
+    /// <summary>Manages the WindowContainers, Views and Windows that will be fullscreened.</summary>
+    public abstract partial class FullscreenContainer : ScriptableObject {
+
+        /// <summary>The m_src will have all it's fields null if we've instantiated the window by ourselves.
+        /// <para>Window - The window to fullscreen, null if we're opening a view.</para> 
+        /// <para>View - The view to fullscreen, or window.m_Parent if we're opening a window.</para> 
+        /// <para>Container - The source container, from the source view.</para> 
+        /// </summary>
+        [SerializeField] public ViewPyramid m_src;
+
+        /// <summary>
+        /// <para>Window - The placeholder window or a window created specially for this fullscreen.</para> 
+        /// <para>View - HostView created for this fullscreen.</para> 
+        /// <para>Container - The container that will be used for fullscreen, with its mode set to "Popup".</para> 
+        /// </summary>
+        [SerializeField] public ViewPyramid m_dst;
+
+        /// <summary>Create a ContainerWindow and HostView, then asigns a window to them and shows it as a popup.</summary>
+        /// <param name="rect">The initial position of the ContainerWindow, can be changed later using the <see cref="Rect"/> property.</param>
+        /// <param name="childWindow">The initial window for the newly created ContainerWindow and HostView.</param>
+        /// <returns>Returns the pyramid of views we've created.</returns>
+        protected ViewPyramid CreateFullscreenViewPyramid(Rect rect, EditorWindow childWindow) {
+            var hv = CreateInstance(Types.HostView);
+            var cw = CreateInstance(Types.ContainerWindow);
+
+            hv.name = name;
+            cw.name = name;
+            childWindow.name = name;
+
+            hv.SetPropertyValue("actualView", childWindow);
+
+            // Order is important here: first set rect of container, then assign main view, then apply various settings, then show.
+            // Otherwise the rect won't be set until first resize happens.
+            cw.SetPropertyValue("position", rect);
+            cw.SetPropertyValue("rootView", hv);
+
+            childWindow.InvokeMethod("MakeParentsSettingsMatchMe");
+
+            var loadPosition = false;
+            var displayImmediately = true;
+            var setFocus = true;
+
+            if (cw.HasMethod("Show", new[] { typeof(int), typeof(bool), typeof(bool), typeof(bool), typeof(int) }))
+                cw.InvokeMethod("Show", (int)ShowMode.NoShadow, loadPosition, displayImmediately, setFocus, 0);
+            else if (cw.HasMethod("Show", new[] { typeof(int), typeof(bool), typeof(bool) }))
+                cw.InvokeMethod("Show", (int)ShowMode.NoShadow, loadPosition, displayImmediately);
+            else
+                cw.InvokeMethod("Show", (int)ShowMode.NoShadow, loadPosition, displayImmediately, setFocus);
+
+            // set min/max size now that native window is not null so that it will e.g., use proper styleMask on macOS
+            cw.InvokeMethod("SetMinMaxSizes", rect.size, rect.size); // min, max
+
+            cw.SetFieldValue("m_ShowMode", (int)ShowMode.PopupMenu); // Prevents window decoration from being draw
+            cw.SetFieldValue("m_DontSaveToLayout", true);
+
+            Logger.Debug(this, "Created {0}, resolution {1:0}x{2:0}, pos {3:0}", name, rect.width, rect.height, rect.min);
+
+            return new ViewPyramid() { Window = childWindow, View = hv, Container = cw };
+
+        }
+
+        /// <summary>Prevents any repaint on the container window. This fixes some glitches on macOS.</summary>
+        /// <param name="containerWindow">The ContainerWindow to freeze the repaints.</param>
+        /// <param name="freeze">Wheter to freeze or unfreeze the container.</param>
+        protected void SetFreezeContainer(ContainerWindow containerWindow, bool freeze) {
+            containerWindow.InvokeMethod("SetFreezeDisplay", freeze);
+        }
+
+        /// <summary>Method that will be called just before creating the ContainerWindow for this fullscreen.</summary>
+        protected virtual void BeforeOpening() {
+
+            FullscreenCallbacks.beforeFullscreenOpen(this);
+
+            if (m_dst.Container)
+                new Exception("Container already has a fullscreened view");
+        }
+
+        /// <summary>Method that will be called after the creation of the ContainerWindow for this fullscreen.</summary>
+        protected virtual void AfterOpening() {
+
+            After.Frames(2, () => {
+                UnityEditorInternal.InternalEditorUtility.RepaintAllViews();
+
+                didPresent.Invoke();
+                didPresent = null;
+            });
+
+            Logger.Debug(this, "{6}\n\nSRC\nWindow: {0}\nView: {1}\nContainer: {2}\n\nDST\nWindow: {3}\nView: {4}\nContainer: {5}\n",
+                m_src.Window,
+                m_src.View,
+                m_src.Container,
+                m_dst.Window,
+                m_dst.View,
+                m_dst.Container,
+                name
+            );
+
+            FullscreenCallbacks.afterFullscreenOpen(this);
+        }
+
+    }
+
+}

Assets/Fullscreen/Editor/FullscreenContainerInternal.cs.meta

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Assets/Fullscreen/Editor/FullscreenOnPlay.cs

@@ -0,0 +1,121 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    /// <summary>Toggle fullscreen upon playmode change if <see cref="FullscreenPreferences.FullscreenOnPlayEnabled"/> is set to true.</summary>
+    [InitializeOnLoad]
+    internal static class FullscreenOnPlay {
+
+        static FullscreenOnPlay() {
+
+#if UNITY_2017_2_OR_NEWER
+            EditorApplication.playModeStateChanged += state => {
+                switch(state) {
+                    case PlayModeStateChange.ExitingEditMode:
+                        SetIsPlaying(true);
+                        break;
+
+                    case PlayModeStateChange.ExitingPlayMode:
+                        SetIsPlaying(false);
+                        break;
+
+                    case PlayModeStateChange.EnteredPlayMode:
+                        foreach(var fs in Fullscreen.GetAllFullscreen())
+                            if(fs && fs is FullscreenWindow && (fs as FullscreenWindow).CreatedByFullscreenOnPlay) {
+                                FixGameViewMouseInput.UpdateGameViewArea(fs);
+                            }
+                        break;
+                }
+            };
+
+            EditorApplication.pauseStateChanged += state => SetIsPlaying(EditorApplication.isPlayingOrWillChangePlaymode && state == PauseState.Unpaused);
+#else
+            EditorApplication.playmodeStateChanged += () => SetIsPlaying(EditorApplication.isPlayingOrWillChangePlaymode && !EditorApplication.isPaused);
+#endif
+
+        }
+
+        private static void SetIsPlaying(bool playing) {
+
+            var fullscreens = Fullscreen.GetAllFullscreen()
+                .Select(fullscreen => fullscreen as FullscreenWindow)
+                .Where(fullscreen => fullscreen);
+
+            // We close all the game views created on play, even if the option was disabled in the middle of the play mode
+            // This is done to best reproduce the default behaviour of the maximize on play
+            if(!playing) {
+                foreach(var fs in fullscreens)
+                    if(fs && fs.CreatedByFullscreenOnPlay) // fs might have been destroyed
+                        fs.Close();
+                return;
+            }
+
+            if(!FullscreenPreferences.FullscreenOnPlayEnabled)
+                return; // Nothing to do here
+
+            if(FullscreenUtility
+                .GetGameViews()
+                .Any(gv => {
+                    if(!gv) return false;
+
+                    return PlaymodeBehaviourImplemented(gv) && GetEnterPlayModeBehavior(gv) == CustomEnterPlayModeBehavior.PlayFullscreen;
+                })) {
+                EditorUtility.DisplayDialog("Fullscreen on play conflict", "Seems like you have both Unity's built-in fullscreen on play and Fullscreen Editor's plugin enabled. Please, make sure you only have one of them enabled to prevent conflicts.", "Got it!");
+                FullscreenPreferences.FullscreenOnPlayEnabled.Value = false;
+                return;
+            }
+
+            var gameView = FullscreenOnPlayGameView();
+
+            if(!gameView) // no gameview has the fullscreen on play option enabled
+                return;
+
+            foreach(var fs in fullscreens)
+                if(fs && fs.Rect.Overlaps(gameView.position)) // fs might have been destroyed
+                    return; // We have an open fullscreen where the new one would be, so let it there
+
+            if(gameView && Fullscreen.GetFullscreenFromView(gameView))
+                return; // The gameview is already in fullscreen
+
+            var gvfs = Fullscreen.MakeFullscreen(Types.GameView, gameView);
+            gvfs.CreatedByFullscreenOnPlay = true;
+        }
+
+        internal static EditorWindow FullscreenOnPlayGameView() {
+            var mainGv = FullscreenUtility.GetMainGameView();
+
+            if(mainGv) return mainGv;
+
+            return FullscreenUtility
+                .GetGameViews()
+                .FirstOrDefault(gv => gv);
+        }
+
+        internal enum CustomEnterPlayModeBehavior {
+            PlayFocused,
+            PlayMaximized,
+            PlayUnfocused,
+            PlayFullscreen
+        }
+
+        internal static bool PlaymodeBehaviourImplemented(EditorWindow playmodeView) {
+            return playmodeView.HasProperty("enterPlayModeBehavior");
+        }
+
+        internal static CustomEnterPlayModeBehavior GetEnterPlayModeBehavior(EditorWindow playmodeView) {
+            return (CustomEnterPlayModeBehavior)playmodeView.GetPropertyValue<int>("enterPlayModeBehavior");
+        }
+
+        internal static void SetEnterPlayModeBehavior(EditorWindow playmodeView, CustomEnterPlayModeBehavior behaviour) {
+            if(playmodeView.HasProperty("playModeBehaviorIdx"))
+                playmodeView.SetPropertyValue("playModeBehaviorIdx", (int)behaviour); // unity forgot to update this prop when updating the play mode behaviour
+            playmodeView.SetPropertyValue("enterPlayModeBehavior", (int)behaviour);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenOnPlay.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: e246db13c913afe4aa7ca3064f3ee755
+timeCreated: 1509071892
+licenseType: Store
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/FullscreenPreferences.cs

@@ -0,0 +1,409 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace FullscreenEditor {
+
+    /// <summary>Define a source mode to get a fullscreen rect.</summary>
+    public enum RectSourceMode {
+        /// <summary>The bounds of the main display.</summary>
+        MainDisplay,
+        /// <summary>Open on the display that the target window is located.</summary>
+        WindowDisplay,
+        /// <summary>The bounds of the display where the mouse pointer is.</summary>
+        AtMousePosition,
+        /// <summary>A rect that spans across all the displays. (Windows only)</summary>
+        Span,
+        /// <summary>A custom rect defined by <see cref="FullscreenPreferences.CustomRect"/>.</summary>
+        Custom,
+        Display1 = 0x100,
+        Display2 = 0x101,
+        Display3 = 0x102,
+        Display4 = 0x103,
+        Display5 = 0x104,
+        Display6 = 0x105,
+        Display7 = 0x106,
+        Display8 = 0x107
+    }
+
+    /// <summary>Contains preferences for the Fullscreen Editor plugin.</summary>
+    [InitializeOnLoad]
+    public static class FullscreenPreferences {
+
+        private const float LABEL_WIDTH = 300f;
+        private const string DEVELOPER_EMAIL = "[email protected]";
+        private const string ASSET_STORE_PAGE = "https://assetstore.unity.com/packages/tools/utilities/fullscreen-editor-69534";
+        private const string CHANGE_LOG_LINK = ASSET_STORE_PAGE + "#releases";
+        private const string REVIEWS_LINK = ASSET_STORE_PAGE + "#reviews";
+        private const string FORUM_THREAD = "https://forum.unity.com/threads/released-fullscreen-editor.661519/";
+
+        /// <summary>Current version of the Fullscreen Editor plugin.</summary>
+        public static readonly Version pluginVersion = new Version(2, 2, 8);
+        /// <summary>Release date of this version.</summary>
+        public static readonly DateTime pluginDate = new DateTime(2023, 09, 07);
+
+        private static readonly GUIContent resetSettingsContent = new GUIContent("Use Defaults", "Reset all settings to default ones");
+        private static readonly GUIContent versionContent = new GUIContent(string.Format("Version: {0} ({1:d})", pluginVersion, pluginDate));
+
+        private static readonly GUIContent[] links = new GUIContent[] {
+            // new GUIContent("Store Page", ASSET_STORE_PAGE),
+            new GUIContent("Forum Thread", FORUM_THREAD),
+            new GUIContent("Email Contact", GetEmailURL()),
+            new GUIContent("Changelog", CHANGE_LOG_LINK),
+            new GUIContent("Readme", GetFilePath("Readme.pdf")),
+        };
+
+        private static readonly string[] mosaicDropDownOptions = new[] {
+            "nothing",
+            "virtual display 1",
+            "virtual display 2",
+            "virtual display 3",
+            "virtual display 4",
+            "virtual display 5",
+            "virtual display 6",
+            "virtual display 7",
+            "virtual display 8",
+        };
+
+        internal static Action onLoadDefaults = () => { };
+        internal static readonly List<GUIContent> contents = new List<GUIContent>();
+
+        private static readonly PrefItem<Vector2> scroll = new PrefItem<Vector2>("Scroll", Vector2.zero, string.Empty, string.Empty);
+
+        /// <summary>Is the window toolbar currently visible?</summary>
+        public static readonly PrefItem<bool> ToolbarVisible;
+
+        /// <summary>Is Fullscreen on Play currently enabled?</summary>
+        public static readonly PrefItem<bool> FullscreenOnPlayEnabled;
+
+        /// <summary>Defines a source to get a fullscreen rect.</summary>
+        public static readonly PrefItem<RectSourceMode> RectSource;
+
+        /// <summary>Custom rect to be used when <see cref="RectSource"/> is set to <see cref="RectSourceMode.Custom"/>.</summary>
+        public static readonly PrefItem<Rect> CustomRect;
+
+        /// <summary>Disable notifications when opening fullscreen windows.</summary>
+        public static readonly PrefItem<bool> DisableNotifications;
+
+        /// <summary>Keep fullscreen views below other modal and utility windows.</summary>
+        public static readonly PrefItem<bool> KeepFullscreenBelow;
+
+        /// <summary>Disable background SceneView rendering when there are open fullscreen views to increase performance.</summary>
+        public static readonly PrefItem<bool> DisableSceneViewRendering;
+
+        /// <summary>Hide toolbars of all windows, not only the fullscreened (issue #80).</summary>
+        public static readonly PrefItem<bool> UseGlobalToolbarHiding;
+
+        /// <summary>Defines which display renders on each screen when using Mosaic.</summary>
+        public static readonly PrefItem<int[]> MosaicMapping;
+
+        /// <summary>Do not attempt to use wmctrl's fullscreen on Linux environments.</summary>
+        public static readonly PrefItem<bool> DoNotUseWmctrl;
+
+        /// <summary>Restore cursor lock and hide state after going in and out of fullscreen.</summary>
+        public static readonly PrefItem<bool> RestoreCursorLockAndHideState;
+
+        [RuntimeInitializeOnLoadMethod]
+        private static void SyncVersion() { // Sync for automation
+            PlayerPrefs.SetString("PLUGIN_VERSION", pluginVersion.ToString());
+        }
+
+        static FullscreenPreferences() {
+            var rectSourceTooltip = string.Empty;
+
+            rectSourceTooltip += "Controls where Fullscreen views opens.\n\n";
+            rectSourceTooltip += "Main Screen: Fullscreen opens on the primary screen;\n\n";
+            rectSourceTooltip += "Window Display: Open on the display that the target window is located (Windows only);\n\n";
+            rectSourceTooltip += "At Mouse Position: Fullscreen opens on the screen where the mouse pointer is;\n\n";
+            rectSourceTooltip += "Span: Fullscreen spans across all screens (Windows only);\n\n";
+            rectSourceTooltip += "Custom Rect: Fullscreen opens on the given custom Rect.";
+
+            ToolbarVisible = new PrefItem<bool>("Toolbar", false, "Toolbar Visible", "Show and hide the toolbar on the top of some windows, like the Game View and Scene View.");
+            FullscreenOnPlayEnabled = new PrefItem<bool>("FullscreenOnPlay", false, "Fullscreen On Play", "Override the \"Maximize on Play\" option of the game view to \"Fullscreen on Play\"");
+            RectSource = new PrefItem<RectSourceMode>("RectSource", RectSourceMode.MainDisplay, "Placement source", rectSourceTooltip);
+            CustomRect = new PrefItem<Rect>("CustomRect", FullscreenRects.GetMainDisplayRect(), "Custom Rect", string.Empty);
+            DisableNotifications = new PrefItem<bool>("DisableNotifications", false, "Disable Notifications", "Disable the notifications that shows up when opening a new fullscreen view.");
+            KeepFullscreenBelow = new PrefItem<bool>("KeepFullscreenBelow", true, "Keep Utility Views Above", "Keep utility views on top of fullscreen views.\nThis is useful to integrate with assets that need to keep windows open, such as Peek by Ludiq.");
+            DisableSceneViewRendering = new PrefItem<bool>("DisableSceneViewRendering", true, "Disable Scene View Rendering", "Increase Fullscreen Editor performance by not rendering SceneViews while there are open fullscreen views.");
+            UseGlobalToolbarHiding = new PrefItem<bool>("UseGlobalToolbarHiding", FullscreenUtility.IsMacOS, "Use global toolbar hiding", "Changes toolbars of all windows at once. This option fixes the gray bar bug on MacOS.");
+            MosaicMapping = new PrefItem<int[]>("MosaicMapping", new[] { 0, 1, 2, 3, 4, 5, 6, 7 }, "Mosaic Screen Mapping", "Defines which display renders on each screen when using Mosaic.");
+            DoNotUseWmctrl = new PrefItem<bool>("DoNotUseWmctrl", false, "Do not use wmctrl", "Avoid using 'wmctrl' helper when opening fullscreen windows");
+            RestoreCursorLockAndHideState = new PrefItem<bool>("RestoreCursorLockAndHideState", true, "Restore Cursor Lock and Hide State", "Restore cursor lock and hide state after going in and out of fullscreen.");
+
+            onLoadDefaults += () => // Array won't revert automaticaly because it is changed as reference
+                MosaicMapping.Value = new[] { 0, 1, 2, 3, 4, 5, 6, 7 };
+
+            if (FullscreenUtility.MenuItemHasShortcut(Shortcut.TOOLBAR_PATH))
+                ToolbarVisible.Content.text += string.Format(" ({0})", FullscreenUtility.TextifyMenuItemShortcut(Shortcut.TOOLBAR_PATH));
+            if (FullscreenUtility.MenuItemHasShortcut(Shortcut.FULLSCREEN_ON_PLAY_PATH))
+                FullscreenOnPlayEnabled.Content.text += string.Format(" ({0})", FullscreenUtility.TextifyMenuItemShortcut(Shortcut.FULLSCREEN_ON_PLAY_PATH));
+        }
+
+#if UNITY_2018_3_OR_NEWER
+        [SettingsProvider]
+        private static SettingsProvider RetrieveSettingsProvider() {
+            var sp = new SettingsProvider("Preferences/Fullscreen Editor", SettingsScope.User, contents.Select(c => c.text));
+            sp.footerBarGuiHandler = OnFooterGUI;
+            sp.guiHandler = (search) => {
+                EditorGUIUtility.labelWidth = LABEL_WIDTH;
+                OnPreferencesGUI(search);
+            };
+            return sp;
+        }
+
+        [SettingsProvider]
+        private static SettingsProvider RetrieveSettingsProviderShortcuts() {
+            var sp = new SettingsProvider("Preferences/Fullscreen Editor/Shortcuts", SettingsScope.User, contents.Select(c => c.text));
+            sp.footerBarGuiHandler = OnFooterGUI;
+            sp.guiHandler = (search) => {
+                EditorGUIUtility.labelWidth = LABEL_WIDTH;
+                Shortcut.DoShortcutsGUI();
+            };
+            return sp;
+        }
+
+#else
+        [PreferenceItem("Fullscreen")]
+        private static void OnPreferencesGUI() {
+            scroll.Value = EditorGUILayout.BeginScrollView(scroll);
+            OnPreferencesGUI(string.Empty);
+            EditorGUILayout.Separator();
+
+            EditorGUILayout.LabelField("Shortcuts", EditorStyles.boldLabel);
+            EditorGUI.indentLevel++;
+            Shortcut.DoShortcutsGUI();
+            EditorGUI.indentLevel--;
+
+            EditorGUILayout.EndScrollView();
+            OnFooterGUI();
+        }
+#endif
+
+        private static void OnPreferencesGUI(string search) {
+
+            ToolbarVisible.DoGUI();
+            FullscreenOnPlayEnabled.DoGUI();
+
+            EditorGUILayout.Separator();
+            RectSource.DoGUI();
+
+            if (RectSource.Value == RectSourceMode.AtMousePosition)
+                EditorGUILayout.HelpBox("\'At mouse position\' can cause slowdowns on large projects", MessageType.Warning);
+
+            if (!IsRectModeSupported(RectSource))
+                EditorGUILayout.HelpBox("The selected placement source mode is not supported on this platform", MessageType.Warning);
+
+            // Custom Rect
+            switch (RectSource.Value) {
+                case RectSourceMode.Custom:
+                    EditorGUI.indentLevel++;
+                    CustomRect.DoGUI();
+
+                    var customRect = CustomRect.Value;
+
+                    if (customRect.width < 300f)
+                        customRect.width = 300f;
+                    if (customRect.height < 300f)
+                        customRect.height = 300f;
+
+                    CustomRect.Value = customRect;
+
+                    EditorGUI.indentLevel--;
+                    break;
+            }
+
+            DisableNotifications.DoGUI();
+            KeepFullscreenBelow.DoGUI();
+
+            if (Patcher.IsSupported())
+                DisableSceneViewRendering.DoGUI();
+
+            UseGlobalToolbarHiding.DoGUI();
+            RestoreCursorLockAndHideState.DoGUI();
+
+            if (FullscreenUtility.IsLinux) {
+                using (new EditorGUI.DisabledGroupScope(!FullscreenEditor.Linux.wmctrl.IsInstalled)) {
+                    DoNotUseWmctrl.DoGUI();
+                }
+                if (!FullscreenEditor.Linux.wmctrl.IsInstalled) {
+                    EditorGUILayout.HelpBox("'wmctrl' not found. Try installing it with 'sudo apt-get install wmctrl'.", MessageType.Warning);
+                } else {
+                    EditorGUILayout.HelpBox("Try enabling the option above if you're experiencing any kind of toolbars or offsets " +
+                        "while in fullscreen mode.\nDisabling 'wmctrl' can fix issues on some Linux environments when the window manager " +
+                        "does not handle fullscreen windows properly (I'm looking at you Ubuntu).", MessageType.Info);
+                }
+            }
+
+            // Mosaic
+            if (FullscreenRects.ScreenCount > 1) {
+                EditorGUILayout.Separator();
+                EditorGUILayout.LabelField(MosaicMapping.Content, EditorStyles.boldLabel);
+                EditorGUI.indentLevel++;
+                GUI.changed = false;
+                var mosaicMapping = MosaicMapping.Value;
+
+                for (var i = 0; i < mosaicMapping.Length && i < FullscreenRects.ScreenCount; i++) {
+                    var val = EditorGUILayout.IntPopup(string.Format("Physical display {0} renders", i + 1), mosaicMapping[i], mosaicDropDownOptions, new[] { -1, 0, 1, 2, 3, 4, 5, 6, 7 });
+                    mosaicMapping[i] = val;
+                }
+
+                if (GUI.changed)
+                    MosaicMapping.SaveValue();
+                EditorGUI.indentLevel--;
+            }
+        }
+
+        private static void OnFooterGUI() {
+
+            Func<GUIContent, bool> linkLabel = (label) =>
+                typeof(EditorGUILayout).HasMethod("LinkLabel", new[] { typeof(string), typeof(GUILayoutOption[]) }) ? // Issue #100
+                typeof(EditorGUILayout).InvokeMethod<bool>("LinkLabel", label, new GUILayoutOption[0]) : // < 2020.1
+                typeof(EditorGUILayout).InvokeMethod<bool>("LinkButton", label, new GUILayoutOption[0]); // >= 2020.1
+            ;
+
+            using (new EditorGUILayout.HorizontalScope()) {
+                GUILayout.FlexibleSpace();
+                if (linkLabel(new GUIContent("Consider leaving a review if you're enjoying Fullscreen Editor!", REVIEWS_LINK)))
+                    Application.OpenURL(REVIEWS_LINK);
+                GUILayout.FlexibleSpace();
+            }
+
+            using (new EditorGUILayout.HorizontalScope()) {
+                GUILayout.FlexibleSpace();
+                for (var i = 0; i < links.Length; i++) {
+                    if (linkLabel(links[i]))
+                        Application.OpenURL(links[i].tooltip);
+                    GUILayout.Space(5f);
+                }
+                GUILayout.FlexibleSpace();
+            }
+
+            EditorGUILayout.Separator();
+
+            using (new EditorGUILayout.HorizontalScope()) {
+                if (GUILayout.Button(resetSettingsContent, GUILayout.Width(120f)))
+                    onLoadDefaults();
+
+                using (new EditorGUI.DisabledGroupScope(EditorApplication.isCompiling)) {
+                    GUI.changed = false;
+                    var enable = GUILayout.Toggle(Integration.IsDirectiveDefined("FULLSCREEN_DEBUG"), "Debug", "Button");
+                    if (GUI.changed) {
+                        Integration.SetDirectiveDefined("FULLSCREEN_DEBUG", enable);
+                    }
+                }
+
+                if (GUILayout.Button("Copy debug data", GUILayout.Width(120f)))
+                    CopyDisplayDebugInfo();
+
+                GUILayout.FlexibleSpace();
+                EditorGUILayout.LabelField(versionContent, GUILayout.Width(170f));
+            }
+
+            EditorGUILayout.Separator();
+        }
+
+        private static void CopyDisplayDebugInfo() {
+            var str = new StringBuilder();
+
+            str.Append("Fullscreen Editor");
+            str.AppendFormat("\nVersion: {0}", pluginVersion.ToString(3));
+            str.AppendFormat("\nUnity {0}", InternalEditorUtility.GetFullUnityVersion());
+            str.AppendFormat("\n{0}", SystemInfo.operatingSystem);
+            str.AppendFormat("\nScaling {0:p}", FullscreenUtility.GetDisplayScaling());
+
+            foreach (var display in DisplayInfo.GetDisplays()) {
+                str.AppendFormat("\n----------- DISPLAY -----------");
+                str.AppendFormat("\nDeviceName: {0} ({1})", display.FriendlyName, display.DeviceName);
+                str.AppendFormat("\nDpiCorrectedArea: {0}", display.DpiCorrectedArea);
+                str.AppendFormat("\nUnityCorrectedArea: {0}", display.UnityCorrectedArea);
+                str.AppendFormat("\nMonitorArea: {0}", display.MonitorArea);
+                str.AppendFormat("\nPhysicalArea: {0}", display.PhysicalArea);
+                str.AppendFormat("\nWorkArea: {0}", display.WorkArea);
+                str.AppendFormat("\nLogicalScreenHeight: {0}", display.LogicalScreenHeight);
+                str.AppendFormat("\nPhysicalScreenHeight: {0}", display.PhysicalScreenHeight);
+                str.AppendFormat("\nScreenWidth: {0}", display.ScreenWidth);
+                str.AppendFormat("\nScreenHeight: {0}", display.ScreenHeight);
+                str.AppendFormat("\nPrimaryDisplay: {0}", display.PrimaryDisplay);
+                str.AppendFormat("\nscaleFactor: {0}", display.scaleFactor);
+                str.AppendFormat("\nscaleFactor2: {0}", display.scaleFactor2);
+                str.AppendFormat("\ndevMode: {0}\n", JsonUtility.ToJson(display.devMode, true));
+            }
+
+            EditorGUIUtility.systemCopyBuffer = str.ToString();
+            EditorUtility.DisplayDialog("Debug", "Display debug data was copied to the clipboard", "OK");
+        }
+
+        private static string GetFilePath(string file) {
+            var stack = new StackFrame(0, true);
+            var currentFile = stack.GetFileName();
+            var currentPath = Path.GetDirectoryName(currentFile);
+
+            return Path.Combine(currentPath, "../" + file);
+        }
+
+        private static string GetEmailURL(Exception e = null) {
+            var full = new StringBuilder();
+            var body = new StringBuilder();
+
+#if UNITY_2018_1_OR_NEWER
+            Func<string, string> EscapeURL = url => UnityEngine.Networking.UnityWebRequest.EscapeURL(url).Replace("+", "%20");
+#else
+            Func<string, string> EscapeURL = url => WWW.EscapeURL(url).Replace("+", "%20");
+#endif
+
+            body.Append("\nDescribe your issue or make your request here");
+            body.Append("\n\nAdditional Information:");
+            body.AppendFormat("\nVersion: {0}", pluginVersion.ToString(3));
+            body.AppendFormat("\nUnity {0}", InternalEditorUtility.GetFullUnityVersion());
+            body.AppendFormat("\n{0}", SystemInfo.operatingSystem);
+
+            if (e != null)
+                body.AppendFormat("\n\nEXCEPTION\n", e);
+
+            full.Append("mailto:");
+            full.Append(DEVELOPER_EMAIL);
+            full.Append("?subject=");
+            full.Append(EscapeURL("Fullscreen Editor - Support"));
+            full.Append("&body=");
+            full.Append(EscapeURL(body.ToString()));
+
+            return full.ToString();
+        }
+
+        internal static bool IsRectModeSupported(RectSourceMode mode) {
+            switch (mode) {
+                case RectSourceMode.Display1:
+                case RectSourceMode.Display2:
+                case RectSourceMode.Display3:
+                case RectSourceMode.Display4:
+                case RectSourceMode.Display5:
+                case RectSourceMode.Display6:
+                case RectSourceMode.Display7:
+                case RectSourceMode.Display8:
+                case RectSourceMode.Span:
+                case RectSourceMode.WindowDisplay:
+                    return FullscreenUtility.IsWindows;
+
+                case RectSourceMode.MainDisplay:
+                case RectSourceMode.AtMousePosition:
+                    return true;
+
+                case RectSourceMode.Custom:
+                    // Custom rect is not supported on Linux
+                    // since we're using native fullscreen
+                    return !FullscreenUtility.IsLinux;
+
+                default:
+                    return false;
+            }
+        }
+
+    }
+
+}

Assets/Fullscreen/Editor/FullscreenPreferences.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 75ef3c7b609ce8c409782a523b7ea64a
+timeCreated: 1508376099
+licenseType: Store
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/FullscreenRects.cs

@@ -0,0 +1,193 @@
+using System;
+using System.Linq;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+using Object = UnityEngine.Object;
+
+using FullscreenEditor.Windows;
+
+namespace FullscreenEditor {
+    /// <summary>Helper for getting fullscreen rectangles.</summary>
+    public static class FullscreenRects {
+
+        /// <summary>Represents a callback for user defined fullscreen rect calculation.</summary>
+        /// <param name="mode">The mode set in <see cref="FullscreenPreferences.RectSource"/></param>
+        /// <param name="rect">A rect calculated based on custom logic.</param>
+        /// <returns>Whether the rect calculated should be used or not.</returns>
+        public delegate bool FullscreenRectCallback(RectSourceMode mode, out Rect rect);
+
+        /// <summary>The number of monitors attached to this machine, returns -1 if the platform is not supported.</summary>
+        public static int ScreenCount {
+            get {
+                if (!FullscreenUtility.IsWindows)
+                    return -1;
+                const int SM_CMONITORS = 80;
+                return User32.GetSystemMetrics(SM_CMONITORS);
+            }
+        }
+
+        /// <summary>Custom callback to allow the user to specify their own logic to how fullscreens will be arranged.
+        /// Check the documentation for usage examples.</summary>
+        public static FullscreenRectCallback CustomRectCallback { get; set; }
+
+        /// <summary>Returns a fullscreen rect</summary>
+        /// <param name="mode">The mode that will be used to retrieve the rect.</param>
+        /// <param name="targetWindow">The window that will be set fullscreen.</param>
+        public static Rect GetFullscreenRect(RectSourceMode mode, ScriptableObject targetWindow = null) {
+
+            if (targetWindow != null && !targetWindow.IsOfType(typeof(EditorWindow)) && !targetWindow.IsOfType(Types.View)) {
+                throw new ArgumentException("Target window must be of type EditorWindow or View or null", "targetWindow");
+            }
+
+            if (CustomRectCallback != null) {
+                var rect = new Rect();
+                var shouldUse = CustomRectCallback(mode, out rect);
+
+                if (shouldUse)
+                    return rect;
+            }
+
+            switch (mode) {
+                case RectSourceMode.MainDisplay:
+                    return GetMainDisplayRect();
+
+                case RectSourceMode.WindowDisplay:
+                    if (targetWindow == null || !FullscreenUtility.IsWindows)
+                        return GetMainDisplayRect();
+
+                    var views = new ViewPyramid(targetWindow);
+                    var rect = views.Container.GetPropertyValue<Rect>("position");
+
+                    return GetDisplayBoundsAtPoint(rect.center);
+
+                case RectSourceMode.AtMousePosition:
+                    return FullscreenUtility.IsWindows ?
+                        GetDisplayBoundsAtPoint(FullscreenUtility.MousePosition) :
+                        GetWorkAreaRect(true);
+
+                case RectSourceMode.Span:
+                    return FullscreenUtility.IsWindows ?
+                        GetVirtualScreenBounds() :
+                        GetWorkAreaRect(true);
+
+                case RectSourceMode.Custom:
+                    return GetCustomUserRect();
+
+                case RectSourceMode.Display1:
+                    return GetMonitorRect(0);
+                case RectSourceMode.Display2:
+                    return GetMonitorRect(1);
+                case RectSourceMode.Display3:
+                    return GetMonitorRect(2);
+                case RectSourceMode.Display4:
+                    return GetMonitorRect(3);
+                case RectSourceMode.Display5:
+                    return GetMonitorRect(4);
+                case RectSourceMode.Display6:
+                    return GetMonitorRect(5);
+                case RectSourceMode.Display7:
+                    return GetMonitorRect(6);
+                case RectSourceMode.Display8:
+                    return GetMonitorRect(7);
+
+                default:
+                    Logger.Warning("Invalid fullscreen mode, please fix this by changing the placement source mode in preferences.");
+                    return new Rect(Vector2.zero, Vector2.one * 300f);
+            }
+        }
+
+        /// <summary>Returns a rect with the dimensions of the main screen.
+        /// (Note that the position may not be right for multiple screen setups)</summary>
+        public static Rect GetMainDisplayRect() {
+
+            if (FullscreenUtility.IsWindows) {
+                var mainDisplay = DisplayInfo
+                    .GetDisplays()
+                    .FirstOrDefault(d => d.PrimaryDisplay);
+
+                if (mainDisplay != null)
+                    return mainDisplay.UnityCorrectedArea;
+
+                Logger.Error("No main display??? This should not happen, falling back to Screen.currentResolution");
+            }
+
+            // Screen.currentResolution returns the resolution of the screen where
+            // the currently focused window is located, not the main display resolution. 
+            // This caused the bug #53 on windows.
+            // The same behaviour was not tested on Linux as macOS
+            return new Rect(0f, 0f, Screen.currentResolution.width, Screen.currentResolution.height);
+        }
+
+        /// <summary>Returns the rect of a given display index.</summary>
+        public static Rect GetMonitorRect(int index) {
+
+            if (!FullscreenUtility.IsWindows)
+                return GetMainDisplayRect();
+
+            var d = DisplayInfo.GetDisplay(index);
+
+            if (d == null) {
+                Logger.Error("Display {0} not connected", index + 1);
+                return GetMainDisplayRect();
+            }
+
+            return d.UnityCorrectedArea;
+        }
+
+        /// <summary>Returns a rect defined by the user in the preferences.</summary>
+        public static Rect GetCustomUserRect() {
+            return FullscreenPreferences.CustomRect;
+        }
+
+        /// <summary>Returns a rect covering all the screen, except for the taskbar/dock.
+        /// On Windows it adds a 4px border and does not account for scaling (can cause bugs when using scales different than 100%).
+        /// On macOS this returns a fullscreen rect when the main window is maximized and mouseScreen is set to true.</summary>
+        /// <param name="mouseScreen">Should we get the rect on the screen where the mouse pointer is?</param>
+        public static Rect GetWorkAreaRect(bool mouseScreen) {
+            return Types.ContainerWindow.InvokeMethod<Rect>("FitRectToScreen", new Rect(Vector2.zero, Vector2.one * 10000f), true, mouseScreen);
+        }
+
+        /// <summary>Returns a rect covering all the screen, except for the taskbar/dock.
+        /// On Windows it adds a 4px border and does not account for scaling (can cause bugs when using scales different than 100%).
+        /// On macOS this returns a fullscreen rect when the main window is maximized and mouseScreen is set to true.</summary>
+        /// <param name="container">The ContainerWindow that will be used as reference for calulating border error.</param>
+        /// <param name="mouseScreen">Should we get the rect on the screen where the mouse pointer is?</param>
+        public static Rect GetWorkAreaRect(Object container, bool mouseScreen) {
+            return container.InvokeMethod<Rect>("FitWindowRectToScreen", new Rect(Vector2.zero, Vector2.one * 10000f), true, mouseScreen);
+        }
+
+        /// <summary>Returns the bounds rect of the screen that contains the given point. (Windows only)</summary>
+        /// <param name="point">The point relative to <see cref="RectSourceMode.Span"/></param>
+        public static Rect GetDisplayBoundsAtPoint(Vector2 point) {
+            return InternalEditorUtility.GetBoundsOfDesktopAtPoint(point);
+        }
+
+        /// <summary>Full virtual screen bounds, spanning across all monitors. (Windows only)</summary>
+        public static Rect GetVirtualScreenBounds() {
+
+            if (!FullscreenUtility.IsWindows)
+                throw new NotImplementedException();
+
+            const int SM_XVIRTUALSCREEN = 76;
+            const int SM_YVIRTUALSCREEN = 77;
+            const int SM_CXVIRTUALSCREEN = 78;
+            const int SM_CYVIRTUALSCREEN = 79;
+
+            var x = User32.GetSystemMetrics(SM_XVIRTUALSCREEN);
+            var y = User32.GetSystemMetrics(SM_YVIRTUALSCREEN);
+            var width = User32.GetSystemMetrics(SM_CXVIRTUALSCREEN);
+            var height = User32.GetSystemMetrics(SM_CYVIRTUALSCREEN);
+
+            var rect = new Rect {
+                yMin = y,
+                xMin = x,
+                width = width,
+                height = height,
+            };
+
+            return FullscreenUtility.DpiCorrectedArea(rect);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenRects.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 6b84448503834b34ab16a1e3be4d97fd
+timeCreated: 1509127111
+licenseType: Store
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/FullscreenUtility.cs

@@ -0,0 +1,432 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+using UnityObject = UnityEngine.Object;
+
+namespace FullscreenEditor {
+
+    /// <summary>Clone of the internal UnityEditor.ShowMode.</summary>
+    public enum ShowMode {
+        /// <summary>Show as a normal window with max, min & close buttons.</summary>
+        NormalWindow = 0,
+        /// <summary>Used for a popup menu. On mac this means light shadow and no titlebar.</summary>
+        PopupMenu = 1,
+        /// <summary>Utility window - floats above the app. Disappears when app loses focus.</summary>
+        Utility = 2,
+        /// <summary>Window has no shadow or decorations. Used internally for dragging stuff around.</summary>
+        NoShadow = 3,
+        /// <summary>The Unity main window. On mac, this is the same as NormalWindow, except window doesn't have a close button.</summary>
+        MainWindow = 4,
+        /// <summary>Aux windows. The ones that close the moment you move the mouse out of them.</summary>
+        AuxWindow = 5,
+        /// <summary>Like PopupMenu, but without keyboard focus.</summary>
+        Tooltip = 6,
+        // Show as fullscreen window
+        Fullscreen = 8
+    }
+
+    /// <summary>Helper class for suppressing unity logs when calling a method that may show unwanted logs.</summary>
+    internal class SuppressLog : IDisposable {
+
+        private readonly bool lastState;
+
+        internal static ILogger Logger {
+            get {
+#if UNITY_2017_1_OR_NEWER
+                return Debug.unityLogger;
+#else
+                return Debug.logger;
+#endif
+            }
+        }
+
+        public SuppressLog() {
+            lastState = Logger.logEnabled;
+            Logger.logEnabled = false;
+        }
+
+        public void Dispose() {
+            Logger.logEnabled = lastState;
+        }
+
+    }
+
+    /// <summary>Miscellaneous utilities for Fullscreen Editor.</summary>
+    [InitializeOnLoad]
+    public static class FullscreenUtility {
+
+        /// <summary>Contains a Texture2D icon loaded from a base64.</summary>
+        public class Icon {
+
+            private string m_base64;
+            private Texture2D m_texture;
+
+            public Texture2D Texture {
+                get { return m_texture ? m_texture : (m_texture = FindOrLoadTexture(m_base64)); }
+            }
+
+            public Icon(string base64) {
+                m_base64 = base64;
+            }
+
+            public Icon(string base64, string proVariantBase64) {
+                m_base64 = EditorGUIUtility.isProSkin ? proVariantBase64 : base64;
+            }
+
+            public static implicit operator Texture2D(Icon icon) {
+                return icon.Texture;
+            }
+
+        }
+
+        private static Vector2 mousePosition;
+
+        public static bool IsWindows { get { return Application.platform == RuntimePlatform.WindowsEditor; } }
+        public static bool IsMacOS { get { return Application.platform == RuntimePlatform.OSXEditor; } }
+        public static bool IsLinux { get { return Application.platform == RuntimePlatform.LinuxEditor; } }
+
+        static FullscreenUtility() {
+
+            var lastUpdate = EditorApplication.timeSinceStartup;
+
+            EditorApplication.update += () => {
+                if(EditorApplication.timeSinceStartup - lastUpdate > 0.5f && FullscreenPreferences.RectSource.Value == RectSourceMode.AtMousePosition) {
+                    EditorApplication.RepaintHierarchyWindow();
+                    EditorApplication.RepaintProjectWindow();
+                    lastUpdate = EditorApplication.timeSinceStartup;
+                }
+            };
+
+            EditorApplication.hierarchyWindowItemOnGUI += (rect, id) => RecalculateMousePosition();
+            EditorApplication.projectWindowItemOnGUI += (rect, id) => RecalculateMousePosition();
+
+#if UNITY_2019_1_OR_NEWER
+            SceneView.duringSceneGui += sceneView => RecalculateMousePosition();
+#else
+            SceneView.onSceneGUIDelegate += sceneView => RecalculateMousePosition();
+#endif
+
+        }
+
+        private static void RecalculateMousePosition() {
+            mousePosition = GUIUtility.GUIToScreenPoint(Event.current.mousePosition);
+        }
+
+        /// <summary>Returns wheter the extension is running with debugging enabled.</summary>
+        public static bool DebugModeEnabled {
+            get {
+#if FULLSCREEN_DEBUG
+                return true;
+#else
+                return false;
+#endif
+            }
+        }
+
+        /// <summary>The mouse position, can be called outside an OnGUI method.</summary>
+        public static Vector2 MousePosition { get { return mousePosition; } }
+
+        /// <summary>The icon of this plugin.</summary>
+        public static readonly Icon FullscreenIcon = new Icon(
+            "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"
+        );
+
+        /// <summary>A smaller icon of this plugin.</summary>
+        public static readonly Icon FullscreenIconSmall = new Icon(
+            "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",
+            "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"
+        );
+
+        /// <summary>The icon to show on the game view toolbar when fullscreen on play is enabled.</summary>
+        public static readonly Icon FullscreenOnPlayIcon = new Icon(
+            "iVBORw0KGgoAAAANSUhEUgAAABEAAAARCAMAAAAMs7fIAAAAZlBMVEUAAAAZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRkZGRnaqT0eAAAAIXRSTlMA9rSVTunBWTwgFNzOrvvYo4x1ZGA4MALTx6eae3dTCgkQ40nLAAAAcklEQVQY053OORaFIBBE0WpsBQSchz+qvf9NSmCHJlZ4g3cKj8ddbD3q6pWmSwqRnjH/SIxKQ1WN4yOkMpSuDKuhLX41ZOEt3IJxxe0mLA7Ww0LLb87NkGvDJYYk7fkPNYWK0H8G9yIqY2rzHx9ix3i6E/A3BM5M0CXHAAAAAElFTkSuQmCC",
+            "iVBORw0KGgoAAAANSUhEUgAAABEAAAARCAMAAAAMs7fIAAAAY1BMVEUAAAD///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////+aRQ2gAAAAIHRSTlMA9rSV6cFZPCAU3M6uT/vYo4x1ZGBMODAJ08enmnt3U4mFYqQAAABvSURBVBjTnc43AoAwDATBkwHbOJBz1P9fiQvUUqByitXh98XG1xZlsYbhlYy5HTGdxEqkoqLEsjOJdLnJHRTd/pCQhtUwM/qPZwNmA22hIeUtpqZLte4VRRyWtIeqTITpmjC2zCJ9qNMe63wT8fce2Z8EsL04YKYAAAAASUVORK5CYII="
+        );
+
+        /// <summary>Show the notification of a newly opened <see cref="FullscreenView"/> about using the shortcut to close.</summary>
+        /// <param name="window">The fullscreen window.</param>
+        /// <param name="menuItemPath">The <see cref="MenuItem"/> path containing a shortcut.</param>
+        internal static void ShowFullscreenExitNotification(EditorWindow window, string menuItemPath) {
+            if(FullscreenPreferences.DisableNotifications)
+                return;
+
+            var notification = string.Format("Press {0} to exit fullscreen", TextifyMenuItemShortcut(menuItemPath));
+            ShowFullscreenNotification(window, notification);
+        }
+
+        /// <summary>Show a fullscreen notification in an <see cref="EditorWindow"/>.</summary>
+        /// <param name="window">The host of the notification.</param>
+        /// <param name="message">The message to show.</param>
+        public static void ShowFullscreenNotification(EditorWindow window, string message) {
+            if(!window)
+                return;
+
+            window.ShowNotification(new GUIContent(message, FullscreenIcon));
+            window.Repaint();
+
+            if(EditorWindow.mouseOverWindow) // This definitely made sense when I made it, so I won't remove
+                EditorWindow.mouseOverWindow.Repaint();
+        }
+
+        /// <summary>Does the given <see cref="MenuItem"/> path contains a key binding?</summary>
+        public static bool MenuItemHasShortcut(string menuItemPath) {
+            var index = menuItemPath.LastIndexOf(" ");
+
+            if(index++ == -1)
+                return false;
+
+            var shortcut = menuItemPath.Substring(index).Replace("_", "");
+            var evt = Event.KeyboardEvent(shortcut);
+
+            shortcut = InternalEditorUtility.TextifyEvent(evt);
+
+            return !shortcut.Equals("None", StringComparison.InvariantCultureIgnoreCase);
+        }
+
+        /// <summary>Gets a human-readable shortcut.</summary>
+        /// <param name="menuItemPath">The <see cref="MenuItem"/> path containing a shortcut.</param>
+        /// <returns></returns>
+        public static string TextifyMenuItemShortcut(string menuItemPath) {
+            var index = menuItemPath.LastIndexOf(" ");
+
+            if(index++ == -1)
+                return "None";
+
+            var shortcut = menuItemPath.Substring(index).Replace("_", "");
+            var evt = Event.KeyboardEvent(shortcut);
+
+            shortcut = InternalEditorUtility.TextifyEvent(evt);
+
+            return shortcut;
+        }
+
+        private static Texture2D FindOrLoadTexture(string base64) {
+            var found = GetRef<Texture2D>(base64);
+
+            return found ?
+                found :
+                LoadTexture(base64);
+        }
+
+        private static Texture2D LoadTexture(string base64) {
+            try {
+                var texture = new Texture2D(1, 1, TextureFormat.ARGB32, false, true);
+                var bytes = Convert.FromBase64String(base64);
+
+                texture.name = base64;
+                texture.hideFlags = HideFlags.HideAndDontSave;
+                texture.LoadImage(bytes);
+
+                return texture;
+            } catch(Exception e) {
+                Logger.Error("Failed to load texture: {0}", e);
+                return null;
+            }
+        }
+
+        /// <summary>Find an object by it's name and type.</summary>
+        /// <param name="name">The name of the object to search for.</param>
+        /// <typeparam name="T">The type of the object to search for.</typeparam>
+        public static T GetRef<T>(string name) where T : UnityObject {
+            return Resources.FindObjectsOfTypeAll<T>().FirstOrDefault(obj => obj.name == name);
+        }
+
+        /// <summary>Find an object by it's name and type.</summary>
+        /// <param name="name">The name of the object to search for.</param>
+        /// <param name="type">The type of the object to search for.</param> 
+        public static UnityObject GetRef(Type type, string name) {
+            return Resources.FindObjectsOfTypeAll(type).FirstOrDefault(obj => obj.name == name);
+        }
+
+        /// <summary>Get the main view.</summary>
+        public static ScriptableObject GetMainView() {
+            var containers = Resources.FindObjectsOfTypeAll(Types.MainView);
+
+            if(containers.Length > 0)
+                return containers[0] as ScriptableObject;
+
+            throw new Exception("Couldn't find main view");
+        }
+
+        /// <summary>Get the main game view.</summary> 
+        public static EditorWindow GetMainGameView() {
+            if(Types.GameView.HasMethod("GetMainGameView")) { // Removed in 2019.3 alpha
+                return Types.GameView.InvokeMethod<EditorWindow>("GetMainGameView");
+            } else if(Types.PreviewEditorWindow.HasMethod("GetMainPreviewWindow")) { // Removed in 2019.3 beta
+                return Types.PreviewEditorWindow.InvokeMethod<EditorWindow>("GetMainPreviewWindow");
+            } else { // if (Types.PlayModeView.HasMethod("GetMainPlayModeView"))
+                return Types.PlayModeView.InvokeMethod<EditorWindow>("GetMainPlayModeView");
+            }
+        }
+
+        /// <summary>Get all the game views. This returns even the docked game views which are not visible.</summary> 
+        public static EditorWindow[] GetGameViews() {
+            return Resources
+                .FindObjectsOfTypeAll(Types.GameView)
+                .Cast<EditorWindow>()
+                .ToArray();
+        }
+
+        /// <summary>Returns the focused view if it is a dock area with more than one tab, otherwise, returns the focused window.</summary> 
+        public static ScriptableObject GetFocusedViewOrWindow() {
+            var mostSpecificView = Types.GUIView.GetPropertyValue<ScriptableObject>("focusedView");
+
+            if(!mostSpecificView)
+                return null;
+
+            // The most specific obj is a window, open it instead of the view
+            if(mostSpecificView.IsOfType(Types.HostView, false))
+                return EditorWindow.focusedWindow;
+
+            var viewHierarchy = GetViewHierarchy(mostSpecificView);
+            var leastSpecificView = viewHierarchy.LastOrDefault();
+
+            // The view hierarchy has the same length of all the views in this ContainerWindow
+            // This means there are no cousins views handled by a split group on the surroundings of this one
+            // So, we're alone on the container
+            var alone = leastSpecificView.GetPropertyValue<Array>("allChildren").Length == viewHierarchy.Length;
+
+            if(alone && EditorWindow.focusedWindow.InvokeMethod<int>("GetNumTabs") > 1)
+                alone = false; // But, we may not be the only tab on the host view
+
+            // If the focused view is in the main view, or we are the only child on this view, then we open the window
+            return alone || leastSpecificView.IsOfType(Types.MainView) ?
+                EditorWindow.focusedWindow :
+                leastSpecificView;
+        }
+
+        /// <summary>Returns all the parents of a given view.</summary>
+        public static ScriptableObject[] GetViewHierarchy(ScriptableObject view) {
+            if(!view)
+                return new ScriptableObject[0];
+
+            view.EnsureOfType(Types.View);
+
+            var list = new List<ScriptableObject>() { view };
+            var parent = view.GetPropertyValue<ScriptableObject>("parent");
+
+            while(parent) { // Get the least specific view
+                view = parent;
+                list.Add(view);
+                parent = view.GetPropertyValue<ScriptableObject>("parent");
+            }
+
+            return list.ToArray();
+        }
+
+        /// <summary>Get all the children view of a given view.</summary> 
+        public static ScriptableObject[] GetAllViewChildren(ScriptableObject view) {
+            if(!view)
+                return new ScriptableObject[0];
+
+            view.EnsureOfType(Types.View);
+
+            return view.GetPropertyValue<Array>("allChildren")
+                .Cast<ScriptableObject>()
+                .ToArray();
+        }
+
+        /// <summary>Returns wheter a given view is focused or not.</summary> 
+        public static bool IsViewFocused(ScriptableObject view) {
+            if(!view)
+                return false;
+
+            view.EnsureOfType(Types.View);
+
+            var focused = Types.GUIView.GetPropertyValue<ScriptableObject>("focusedView");
+            var children = GetAllViewChildren(view);
+
+            return children.Contains(focused);
+        }
+
+        /// <summary>Focus a view.</summary> 
+        public static void FocusView(ScriptableObject guiView) {
+            if(!guiView)
+                return;
+
+            // guiView.EnsureOfType(Types.GUIView);
+            if(guiView.IsOfType(Types.GUIView))
+                guiView.InvokeMethod("Focus");
+            else {
+                var vp = new ViewPyramid(guiView);
+                var vc = vp.Container;
+                var methodName = "Internal_BringLiveAfterCreation";
+
+                if(vc) {
+                    if(vc.HasMethod(methodName, new Type[] { typeof(bool), typeof(bool), typeof(bool) }))
+                        // displayImmediately, setFocus, showMaximized
+                        vc.InvokeMethod(methodName, false, true, false);
+                    else
+                        // displayImmediately, setFocus
+                        vc.InvokeMethod(methodName, false, true);
+                }
+            }
+        }
+
+        /// <summary> Returns the display scaling of the editor, e.g. 1.5 if 125%</summary>
+        public static float GetDisplayScaling() {
+            return EditorGUIUtility.pixelsPerPoint;
+        }
+
+        /// <summary> Returns a screen rect corrected to fit the editor scaling</summary>
+        public static Rect DpiCorrectedArea(Rect area) {
+            var scaling = GetDisplayScaling();
+            area.width /= scaling;
+            area.height /= scaling;
+            return area;
+        }
+
+        /// <summary>Get the default height of the editor toolbars.</summary>
+        public static float GetToolbarHeight() {
+            try {
+                if(typeof(EditorGUI).HasField("kWindowToolbarHeight")) {
+                    var result = typeof(EditorGUI).GetFieldValue<object>("kWindowToolbarHeight");
+                    if(result is int)
+                        return (int)result;
+                    else
+                        return result.GetPropertyValue<float>("value");
+                } else
+                    return 17f; // Default on < 2019.3 versions
+            } catch(Exception e) {
+                if(FullscreenUtility.DebugModeEnabled)
+                    Debug.LogException(e);
+                return 17f;
+            }
+        }
+
+        /// <summary>Set the default height of the editor toolbars.</summary>
+        public static bool SetToolbarHeight(float value) {
+            try {
+                // On Unity blow 2019.3 this is a const field and cannot be changed
+                if(typeof(EditorGUI).HasField("kWindowToolbarHeight")) {
+                    var result = typeof(EditorGUI).GetFieldValue<object>("kWindowToolbarHeight");
+                    result.SetFieldValue("m_Value", value);
+                    return true;
+                } else {
+                    return false;
+                }
+            } catch(Exception e) {
+                if(FullscreenUtility.DebugModeEnabled)
+                    Debug.LogException(e);
+                return false;
+            }
+        }
+
+        /// <summary>Set Game View target display.</summary>
+        public static void SetGameViewDisplayTarget(EditorWindow gameView, int display) {
+            gameView.EnsureOfType(Types.GameView);
+
+            if(gameView.HasProperty("targetDisplay")) {
+                gameView.SetPropertyValue("targetDisplay", display);
+            } else if(gameView.HasField("m_TargetDisplay")) {
+                gameView.SetFieldValue("m_TargetDisplay", display);
+            } else {
+                Logger.Error("Could not set Game View target display");
+            }
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenUtility.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 7b3d579b1fea3fe48a089150e74369a0
+timeCreated: 1508966650
+licenseType: Store
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/FullscreenView.cs

@@ -0,0 +1,63 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+using ContainerWindow = UnityEngine.ScriptableObject;
+using HostView = UnityEngine.ScriptableObject;
+using View = UnityEngine.ScriptableObject;
+
+namespace FullscreenEditor {
+    public class FullscreenView : FullscreenContainer {
+
+        protected void SwapViews(View a, View b) {
+            var containerA = a.GetPropertyValue<ContainerWindow>("window");
+            var containerB = b.GetPropertyValue<ContainerWindow>("window");
+
+            SetFreezeContainer(containerA, true);
+            SetFreezeContainer(containerB, true);
+
+            Logger.Debug("Swapping views {0} and {1} @ {2} and {3}", a, b, containerA, containerB);
+
+            containerA.SetPropertyValue("rootView", b);
+            containerB.SetPropertyValue("rootView", a);
+
+            SetFreezeContainer(containerA, true);
+            SetFreezeContainer(containerB, true);
+        }
+
+        internal void OpenView(Rect rect, ScriptableObject view) {
+            if(!view)
+                throw new ArgumentNullException("view");
+
+            view.EnsureOfType(Types.View);
+
+            if(FullscreenUtility.IsLinux)
+                throw new PlatformNotSupportedException("Linux does not support fullscreen from View class");
+
+            if(Fullscreen.GetFullscreenFromView(view)) {
+                Logger.Debug("Tried to fullscreen a view already in fullscreen");
+                return;
+            }
+
+            BeforeOpening();
+
+            var placeholder = CreateInstance<PlaceholderWindow>();
+
+            m_src = new ViewPyramid(view);
+            m_dst = CreateFullscreenViewPyramid(rect, placeholder);
+
+            SwapViews(m_src.View, m_dst.View);
+            Rect = rect;
+
+            AfterOpening();
+        }
+
+        public override void Close() {
+
+            if(m_src.View && m_dst.View)
+                SwapViews(m_src.View, m_dst.View); // Swap back the source view
+
+            base.Close();
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenView.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/FullscreenWindow.cs

@@ -0,0 +1,234 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using ContainerWindow = UnityEngine.ScriptableObject;
+using HostView = UnityEngine.ScriptableObject;
+using View = UnityEngine.ScriptableObject;
+
+namespace FullscreenEditor {
+    public class FullscreenWindow : FullscreenContainer {
+
+        [SerializeField] private RectOffset m_rectOffset;
+        [SerializeField] private RectOffset m_toolbarOffset;
+        [SerializeField] private bool m_createdByFullscreenOnPlay;
+
+        public RectOffset ClipOffset {
+            get { return m_rectOffset; }
+            set {
+                if(m_dst.View) {
+                    m_rectOffset = value;
+                    m_dst.View.InvokeMethod("SetPosition", value.Add(new Rect(Vector2.zero, Rect.size)));
+                }
+            }
+        }
+
+        internal bool CreatedByFullscreenOnPlay {
+            get { return m_createdByFullscreenOnPlay; }
+            set { m_createdByFullscreenOnPlay = value; }
+        }
+
+        public bool HasToolbarOffset { get { return ToolbarOffset != null; } }
+
+        public virtual RectOffset ToolbarOffset {
+            get {
+                if(m_toolbarOffset == null)
+                    m_toolbarOffset = new RectOffset(0, 0, (int)FullscreenUtility.GetToolbarHeight(), 0);
+                return m_toolbarOffset;
+            }
+        }
+
+        private void SwapWindows(EditorWindow a, EditorWindow b) {
+            var parentA = a.GetFieldValue<View>("m_Parent");
+            var parentB = b.GetFieldValue<View>("m_Parent");
+
+            var containerA = parentA.GetPropertyValue<ContainerWindow>("window");
+            var containerB = parentB.GetPropertyValue<ContainerWindow>("window");
+
+            var selectedPaneA = parentA.GetPropertyValue<EditorWindow>("actualView");
+            var selectedPaneB = parentB.GetPropertyValue<EditorWindow>("actualView");
+
+            SetFreezeContainer(containerA, true);
+            SetFreezeContainer(containerB, true);
+
+            Logger.Debug("Swapping windows {0} and {1} @ {2} and {3}", a, b, parentA, parentB);
+
+            parentA.SetPropertyValue("actualView", b);
+            parentB.SetPropertyValue("actualView", a);
+
+            ReplaceDockAreaPane(parentA, a, b);
+            ReplaceDockAreaPane(parentB, b, a);
+
+            a.InvokeMethod("MakeParentsSettingsMatchMe");
+            b.InvokeMethod("MakeParentsSettingsMatchMe");
+
+            if(selectedPaneA != a)
+                parentA.SetPropertyValue("actualView", selectedPaneA);
+            if(selectedPaneB != b)
+                parentB.SetPropertyValue("actualView", selectedPaneB);
+
+            SetFreezeContainer(containerA, false);
+            SetFreezeContainer(containerB, false);
+        }
+
+        protected void ReplaceDockAreaPane(View dockArea, EditorWindow originalPane, EditorWindow newPane) {
+            if(dockArea.HasField("m_Panes")) {
+                var dockedPanes = dockArea.GetFieldValue<List<EditorWindow>>("m_Panes");
+                var dockIndex = dockedPanes.IndexOf(originalPane);
+                dockedPanes[dockIndex] = newPane;
+            }
+        }
+
+        public void SetToolbarStatus(bool toolbarVisible) {
+            if(!HasToolbarOffset)
+                return;
+
+            if(FullscreenPreferences.UseGlobalToolbarHiding)
+                return;
+
+            ClipOffset = toolbarVisible ? new RectOffset() : ToolbarOffset;
+        }
+
+        public override void Focus() {
+            var window = ActualViewPyramid.Window;
+
+            if(window)
+                window.Focus();
+            else
+                base.Focus();
+        }
+
+        public override bool IsFocused() {
+            return EditorWindow.focusedWindow && EditorWindow.focusedWindow == ActualViewPyramid.Window;
+        }
+
+        protected override void AfterOpening() {
+            base.AfterOpening();
+
+            Focus();
+
+            if(m_src.Window)
+                m_dst.Window.titleContent = m_src.Window.titleContent; // Copy the title of the window to the placeholder
+
+            SetToolbarStatus(FullscreenPreferences.ToolbarVisible); // Hide/show the toolbar
+            // macOS doesn't like fast things, so we'll wait a bit and do it again
+            // Looks like Linux does not like it too
+            After.Milliseconds(100d, () => SetToolbarStatus(FullscreenPreferences.ToolbarVisible));
+
+            var notificationWindow = ActualViewPyramid.Window;
+
+            After.Milliseconds(50d, () => {
+                if(!notificationWindow) // Might have been closed
+                    return;
+
+                var menuItemPath = string.Empty;
+                if(notificationWindow.IsOfType(Types.GameView)) {
+                    menuItemPath = Fullscreen
+                        .GetAllFullscreen()
+                        .Where(fs => fs.ActualViewPyramid.Window && fs.ActualViewPyramid.Window.IsOfType(Types.GameView))
+                        .Count() > 1 ?
+                        Shortcut.MOSAIC_PATH :
+                        Shortcut.GAME_VIEW_PATH;
+                } else if(notificationWindow is SceneView)
+                    menuItemPath = Shortcut.SCENE_VIEW_PATH;
+                else
+                    menuItemPath = Shortcut.CURRENT_VIEW_PATH;
+
+                FullscreenUtility.ShowFullscreenExitNotification(notificationWindow, menuItemPath);
+            });
+
+        }
+
+        protected override void OnEnable() {
+            base.OnEnable();
+            FullscreenPreferences.ToolbarVisible.OnValueSaved += SetToolbarStatus;
+        }
+
+        protected override void OnDisable() {
+            base.OnDisable();
+            FullscreenPreferences.ToolbarVisible.OnValueSaved -= SetToolbarStatus;
+        }
+
+        internal void OpenWindow<T>(Rect rect, T window = null) where T : EditorWindow {
+            OpenWindow(rect, typeof(T), window);
+        }
+
+        internal void OpenWindow(Rect rect, Type type, EditorWindow window = null, bool disposableWindow = false) {
+            if(type == null)
+                throw new ArgumentNullException("type");
+
+            if(!type.IsOfType(typeof(EditorWindow)))
+                throw new ArgumentException("Type must be inherited from UnityEditor.EditorWindow", "type");
+
+            if(window is PlaceholderWindow) {
+                FullscreenUtility.ShowFullscreenNotification(window, "Wanna fullscreen the placeholder?\nSorry, not possible");
+                Logger.Debug("Tried to fullscreen a placeholder window");
+                return;
+            }
+
+            if(Fullscreen.GetFullscreenFromView(window)) {
+                FullscreenUtility.ShowFullscreenNotification(window, "You can't fullscreen a window already in fullscreen");
+                Logger.Debug("Tried to fullscreen a view already in fullscreen");
+                return;
+            }
+
+            if(window && window.HasProperty("isFullscreen") && window.GetPropertyValue<bool>("isFullscreen")) {
+                Logger.Debug("Tried to fullscreen a view already using Unity's built-in fullscreen");
+                window.ShowNotification(new GUIContent("This is a built-in fullscreen and not a Fullscreen Editor instance. Use Ctrl+Shift+F7 or Alt-F4 to close it."));
+                return;
+            }
+
+            BeforeOpening();
+
+            if(window)
+                m_src = new ViewPyramid(window);
+
+            var childWindow = window ?
+                (EditorWindow)CreateInstance<PlaceholderWindow>() :
+                (EditorWindow)CreateInstance(type); // Instantiate a new window for this fullscreen
+
+            m_dst = CreateFullscreenViewPyramid(rect, childWindow);
+
+            if(window) // We can't swap the src window if we didn't create a placeholder window
+                SwapWindows(m_src.Window, m_dst.Window);
+
+            Rect = rect;
+
+            if(disposableWindow && childWindow is PlaceholderWindow) {
+                childWindow.Close(); // Close the pyramid we created because disposable views are not restore later
+                m_dst.Window = m_src.Window;
+            }
+
+            AfterOpening();
+        }
+
+        internal bool IsPlaceholderVisible() {
+            if(!(m_dst.Window is PlaceholderWindow))
+                return false;
+
+            var pyramid = new ViewPyramid(m_dst.Window);
+
+            if(!pyramid.View || !pyramid.View.IsOfType(Types.HostView))
+                return false;
+
+            var actualView = pyramid.View.GetPropertyValue<View>("actualView");
+
+            return actualView == m_dst.Window;
+        }
+
+        public override void Close() {
+
+            var shouldRefocus = IsFocused() && IsPlaceholderVisible();
+
+            if(m_src.Window && m_dst.Window)
+                SwapWindows(m_src.Window, m_dst.Window); // Swap back the source window
+
+            base.Close();
+
+            if(shouldRefocus && m_src.Window)
+                m_src.Window.Focus();
+        }
+
+    }
+}

Assets/Fullscreen/Editor/FullscreenWindow.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/GameViewLowResolutionAspectRatios.cs

@@ -0,0 +1,18 @@
+using UnityEditor;
+
+namespace FullscreenEditor {
+    [InitializeOnLoad]
+    // Issues #98 #96 #97 and #99
+    public class GameViewLowResolutionAspectRatios {
+
+        static GameViewLowResolutionAspectRatios() {
+            FullscreenCallbacks.afterFullscreenOpen += fs => {
+                var window = fs.ActualViewPyramid.Window;
+
+                if (window && window.HasProperty("lowResolutionForAspectRatios"))
+                    window.SetPropertyValue("lowResolutionForAspectRatios", false);
+            };
+        }
+
+    }
+}

Assets/Fullscreen/Editor/GameViewLowResolutionAspectRatios.cs.meta

@@ -0,0 +1,7 @@
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Assets/Fullscreen/Editor/GameViewVSync.cs

@@ -0,0 +1,35 @@
+using UnityEditor;
+
+namespace FullscreenEditor {
+    [InitializeOnLoad]
+    public class GameViewVSync {
+
+        static GameViewVSync() {
+            FullscreenCallbacks.afterFullscreenOpen += (fs) => {
+                RefreshViewVSync(fs.ActualViewPyramid.Window);
+            };
+
+            FullscreenCallbacks.afterFullscreenClose += (fs) => {
+                RefreshViewVSync(fs.m_src.Window);
+            };
+        }
+
+        private static void RefreshViewVSync(EditorWindow window) {
+            if (window && window.HasProperty("vSyncEnabled")) {
+                var vsyncEnabled = window.GetPropertyValue<bool>("vSyncEnabled");
+
+                // reset vsync
+                window.SetPropertyValue("vSyncEnabled", vsyncEnabled);
+
+                var view = new ViewPyramid(window).View;
+
+                // fallback when above doesn't work
+                if (view.HasMethod("EnableVSync"))
+                    view.InvokeMethod("EnableVSync", vsyncEnabled);
+                else
+                    Logger.Debug(string.Format("View {0} does not support vsync", view.GetType()));
+            }
+        }
+
+    }
+}

Assets/Fullscreen/Editor/GameViewVSync.cs.meta

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Assets/Fullscreen/Editor/GlobalToolbarHiding.cs

@@ -0,0 +1,41 @@
+using UnityEditor;
+
+namespace FullscreenEditor {
+    [InitializeOnLoad]
+    public class GlobalToolbarHiding {
+
+        private static readonly float defaultToolbarHeight;
+
+        private static bool GlobalToolbarShouldBeHidden {
+            get {
+                return !FullscreenPreferences.ToolbarVisible &&
+                    Fullscreen.GetAllFullscreen(false).Length > 0;
+            }
+        }
+
+        static GlobalToolbarHiding() {
+            defaultToolbarHeight = FullscreenUtility.GetToolbarHeight();
+
+            FullscreenPreferences.UseGlobalToolbarHiding.OnValueSaved += v => {
+                if (!v)
+                    FullscreenUtility.SetToolbarHeight(defaultToolbarHeight);
+            };
+
+            FullscreenPreferences.ToolbarVisible.OnValueSaved += v => UpdateGlobalToolbarStatus();
+            UpdateGlobalToolbarStatus();
+
+            After.Frames(2, () => // Why? IDK
+                UpdateGlobalToolbarStatus()
+            );
+
+            FullscreenCallbacks.afterFullscreenClose += fs => UpdateGlobalToolbarStatus();
+            FullscreenCallbacks.afterFullscreenOpen += fs => UpdateGlobalToolbarStatus();
+        }
+
+        public static void UpdateGlobalToolbarStatus() {
+            if (FullscreenPreferences.UseGlobalToolbarHiding)
+                FullscreenUtility.SetToolbarHeight(GlobalToolbarShouldBeHidden ? 0f : defaultToolbarHeight);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/GlobalToolbarHiding.cs.meta

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Assets/Fullscreen/Editor/Integration.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Linq;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    /// <summary>Helper class for enabling/disabling compilation symbols.</summary>
+    public static class Integration {
+
+        private static string[] GetAllDefines() {
+            var currentBuildTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
+            var scriptDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentBuildTarget);
+            var split = scriptDefines.Split(new [] { ';', ' ' }, StringSplitOptions.RemoveEmptyEntries);
+
+            return split;
+        }
+
+        private static void SetAllDefines(string[] value) {
+            var currentBuildTarget = EditorUserBuildSettings.selectedBuildTargetGroup;
+            var currentScriptDefines = PlayerSettings.GetScriptingDefineSymbolsForGroup(currentBuildTarget);
+            var scriptDefines = value.Length > 0 ?
+                value.Aggregate((a, b) => a + ";" + b) :
+                string.Empty;
+
+            if (currentScriptDefines == scriptDefines)
+                return; // Nothing has changed
+
+            PlayerSettings.SetScriptingDefineSymbolsForGroup(currentBuildTarget, scriptDefines);
+
+            RequestScriptReload();
+        }
+
+        public static void RequestScriptReload() {
+            if (typeof(EditorUtility).HasMethod("RequestScriptReload")) {
+                typeof(EditorUtility).InvokeMethod("RequestScriptReload");
+            }
+            if (typeof(InternalEditorUtility).HasMethod("RequestScriptReload")) {
+                typeof(InternalEditorUtility).InvokeMethod("RequestScriptReload");
+            } else {
+                Logger.Error("Could not reload scripts");
+            }
+
+        }
+
+        /// <summary>Toggle a given define symbol.</summary>
+        /// <param name="directive">The define symbol to toggle.</param>
+        public static void ToggleDirectiveDefined(string directive) {
+            var defined = IsDirectiveDefined(directive);
+            SetDirectiveDefined(directive, !defined);
+        }
+
+        /// <summary>Enable or disable a given define symbol.</summary>
+        /// <param name="directive">The define symbol to set.</param>
+        /// <param name="enabled">Wheter to enable or disable this directive.</param>
+        public static void SetDirectiveDefined(string directive, bool enabled) {
+            if (IsDirectiveDefined(directive) == enabled)
+                return; // Flag already enabled/disabled
+
+            if (enabled)
+                SetAllDefines(GetAllDefines()
+                    .Concat(new [] { directive })
+                    .ToArray()
+                );
+            else
+                SetAllDefines(GetAllDefines()
+                    .Where(d => d != directive)
+                    .ToArray()
+                );
+
+            Logger.Debug("Compiler directive {0} {1} defined", directive, enabled? "": "not");
+        }
+
+        /// <summary>Get wheter the given directive is enabled or not.</summary>
+        /// <param name="directive">The name of the define symbol to check.</param> 
+        public static bool IsDirectiveDefined(string directive) {
+            return GetAllDefines().Any(d => d == directive);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Integration.cs.meta

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Assets/Fullscreen/Editor/InternalTypes.cs

@@ -0,0 +1,42 @@
+using System;
+
+namespace FullscreenEditor {
+    /// <summary>Class containing types of UnityEditor internal classes.</summary>
+    public static class Types {
+
+        /// <summary>UnityEditor.HostView</summary>
+        public static readonly Type HostView = ReflectionUtility.FindClass("UnityEditor.HostView");
+
+        /// <summary>UnityEditor.ContainerWindow</summary>
+        public static readonly Type ContainerWindow = ReflectionUtility.FindClass("UnityEditor.ContainerWindow");
+
+        /// <summary>UnityEditor.View</summary>
+        public static readonly Type View = ReflectionUtility.FindClass("UnityEditor.View");
+
+        /// <summary>UnityEditor.GUIView</summary>
+        public static readonly Type GUIView = ReflectionUtility.FindClass("UnityEditor.GUIView");
+
+        /// <summary>UnityEditor.GameView</summary>
+        public static readonly Type GameView = ReflectionUtility.FindClass("UnityEditor.GameView");
+
+        /// <summary>UnityEditor.PreviewEditorWindow</summary>
+        public static readonly Type PreviewEditorWindow = ReflectionUtility.FindClass("UnityEditor.PreviewEditorWindow");
+
+        /// <summary>UnityEditor.PlayModeView</summary>
+        public static readonly Type PlayModeView = ReflectionUtility.FindClass("UnityEditor.PlayModeView");
+
+        /// <summary>UnityEditor.MainView</summary>
+        public static readonly Type MainView = ReflectionUtility.FindClass("UnityEditor.MainView");
+
+        /// <summary>UnityEditor.WindowLayout</summary>
+        public static readonly Type WindowLayout = ReflectionUtility.FindClass("UnityEditor.WindowLayout");
+
+        /// <summary>UnityEngine.EnumDataUtility</summary>
+        public static readonly Type EnumDataUtility = ReflectionUtility.FindClass("UnityEngine.EnumDataUtility");
+
+        /// <summary>UnityEditor.PlayModeView.EnterPlayModeBehavior</summary>
+        // Enum type
+        public static readonly Type EnterPlayModeBehavior = PlayModeView?.GetNestedType("EnterPlayModeBehavior");
+
+    }
+}

Assets/Fullscreen/Editor/InternalTypes.cs.meta

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Assets/Fullscreen/Editor/KeepFullscreenBelow.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    internal static class KeepFullscreenBelow {
+        [InitializeOnLoadMethod]
+        private static void InitPatch() {
+            var eApp = typeof(EditorApplication);
+            var callback = eApp.GetFieldValue<EditorApplication.CallbackFunction>("windowsReordered");
+            callback += () => BringWindowsAbove();
+            eApp.SetFieldValue("windowsReordered", callback);
+            FullscreenCallbacks.afterFullscreenOpen += (f) => BringWindowsAbove();
+        }
+
+        // https://github.com/mukaschultze/fullscreen-editor/issues/54
+        // This is needed because ContainerWindows created by ShowAsDropDown are not
+        // returned by 'windows' property
+        public static IEnumerable<ScriptableObject> GetAllContainerWindowsOrdered() {
+            var ordered = Types.ContainerWindow
+                .GetPropertyValue<ScriptableObject[]>("windows")
+                .Reverse();
+
+            var missing = Resources
+                .FindObjectsOfTypeAll(Types.ContainerWindow)
+                .Select(cw => cw as ScriptableObject);
+
+            return ordered
+                .Concat(missing)
+                .Distinct();
+        }
+
+        public static void BringWindowsAbove() {
+
+            if (!FullscreenPreferences.KeepFullscreenBelow)
+                return;
+
+            var fullscreens = Fullscreen.GetAllFullscreen();
+            if (fullscreens.Length == 0)
+                return;
+
+            var methodName = "Internal_BringLiveAfterCreation";
+            var windows = GetAllContainerWindowsOrdered()
+                .Where(w => !Fullscreen.GetFullscreenFromView(w))
+                .Where(w => {
+                    if (w.GetPropertyValue<int>("showMode") == (int)ShowMode.MainWindow)
+                        return false; // Main Window should be kept below everything
+
+                    if (fullscreens.FirstOrDefault((f) => f.m_src.Container == w))
+                        return false; // Keep other fullscreen containers below
+
+                    return true;
+                });
+
+            foreach (var w in windows) {
+                if (w.HasMethod(methodName, new Type[] { typeof(bool), typeof(bool), typeof(bool) }))
+                    w.InvokeMethod(methodName, true, false, false);
+                else
+                    w.InvokeMethod(methodName, true, false);
+            }
+        }
+    }
+}

Assets/Fullscreen/Editor/KeepFullscreenBelow.cs.meta

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Assets/Fullscreen/Editor/Linux.meta

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Assets/Fullscreen/Editor/Linux/NativeFullscreenHook.cs

@@ -0,0 +1,22 @@
+using UnityEditor;
+
+namespace FullscreenEditor.Linux {
+    internal static class NativeFullscreenHooks {
+
+        [InitializeOnLoadMethod]
+        private static void Init() {
+            if (!FullscreenUtility.IsLinux)
+                return;
+
+            FullscreenCallbacks.afterFullscreenOpen += (fs) => {
+                if (wmctrl.IsInstalled && !FullscreenPreferences.DoNotUseWmctrl.Value)
+                    wmctrl.SetNativeFullscreen(true, fs.m_dst.Container);
+            };
+            FullscreenCallbacks.beforeFullscreenClose += (fs) => {
+                if (wmctrl.IsInstalled && !FullscreenPreferences.DoNotUseWmctrl.Value)
+                    wmctrl.SetNativeFullscreen(false, fs.m_dst.Container);
+            };
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Linux/NativeFullscreenHook.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/Linux/wmctrl.cs

@@ -0,0 +1,75 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor.Linux {
+    /// <summary>wmctrl is a tool to interact with an X Window manager available on Linux platforms.</summary>
+    public static class wmctrl {
+
+        static wmctrl() {
+            try {
+                var stdout = string.Empty;
+                var stderr = string.Empty;
+                var exitCode = Cmd.Run("which wmctrl", false, out stdout, out stderr);
+
+                IsInstalled = exitCode == 0;
+            } catch (Exception e) {
+                Logger.Debug("Could not run command 'which wmctrl': {0}", e);
+                IsInstalled = false;
+            }
+        }
+
+        public static readonly bool IsInstalled;
+
+        private static string Run(string format, params object[] args) {
+            if (!FullscreenUtility.IsLinux)
+                throw new PlatformNotSupportedException("wmctrl is only available on Linux based platforms");
+
+            if (FullscreenPreferences.DoNotUseWmctrl.Value) {
+                Logger.Debug("wmctrl being invoked while DoNotUseWmctrl is enabled");
+            }
+
+            var result = Cmd.Run("wmctrl " + format, args);
+            Logger.Debug("wmctrl exited with stdio: {0}", result);
+            return result;
+        }
+
+        /// <summary>Enable or disable native fullscreen for a given window.</summary>
+        /// <param name="fullscreen">Should the window be fullscreen or not.</param>
+        /// <param name="window">The window to changed. If null the active window will be fullscreened.</param>
+        public static void SetNativeFullscreen(bool fullscreen, EditorWindow window) {
+            if (window)
+                window.Focus();
+
+            Run("-r ':ACTIVE:' -b {0},fullscreen", fullscreen ? "add" : "remove");
+        }
+
+        /// <summary>Enable or disable native fullscreen for a given view.</summary>
+        /// <param name="fullscreen">Should the view be fullscreen or not.</param>
+        /// <param name="view">The view to changed. If null the active view will be fullscreened.</param>
+        public static void SetNativeFullscreen(bool fullscreen, ScriptableObject view) {
+            if (view)
+                FullscreenUtility.FocusView(view);
+
+            Run("-r ':ACTIVE:' -b {0},fullscreen", fullscreen ? "add" : "remove");
+        }
+
+        /// <summary>Toggles native fullscreen for a given window.</summary>
+        /// <param name="window">The window to be toggled fullscreen.</param>
+        public static void ToggleNativeFullscreen(EditorWindow window) {
+            if (window)
+                window.Focus();
+
+            Run("-r ':ACTIVE:' -b toggle,fullscreen");
+        }
+
+        /// <summary>Toggles native fullscreen for a given view.</summary>
+        /// <param name="view">The view to be toggled fullscreen.</param>
+        public static void ToggleNativeFullscreen(ScriptableObject view) {
+            if (view)
+                FullscreenUtility.FocusView(view);
+
+            Run("-r ':ACTIVE:' -b toggle,fullscreen");
+        }
+    }
+}

Assets/Fullscreen/Editor/Linux/wmctrl.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/Logger.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Diagnostics;
+using UnityEngine;
+using Object = UnityEngine.Object;
+using UnityDebug = UnityEngine.Debug;
+
+namespace FullscreenEditor {
+    /// <summary>Helper class for logging and debugging.</summary>
+    public static class Logger {
+
+        private const string LOG_PREFIX = "Fullscreen Editor: ";
+
+        [Conditional("FULLSCREEN_DEBUG")]
+        public static void Debug(string message, params object[] args) {
+            UnityDebug.LogFormat(LOG_PREFIX + message, args);
+        }
+
+        [Conditional("FULLSCREEN_DEBUG")]
+        public static void Debug(Object context, string message, params object[] args) {
+            UnityDebug.LogFormat(context, LOG_PREFIX + message, args);
+        }
+
+        public static void Log(string message, params object[] args) {
+            UnityDebug.LogFormat(LOG_PREFIX + message, args);
+        }
+
+        public static void Log(Object context, string message, params object[] args) {
+            UnityDebug.LogFormat(context, LOG_PREFIX + message, args);
+        }
+
+        public static void Warning(string message, params object[] args) {
+            UnityDebug.LogWarningFormat(LOG_PREFIX + message, args);
+        }
+
+        public static void Warning(Object context, string message, params object[] args) {
+            UnityDebug.LogWarningFormat(context, LOG_PREFIX + message, args);
+        }
+
+        public static void Error(string message, params object[] args) {
+            UnityDebug.LogErrorFormat(LOG_PREFIX + message, args);
+        }
+
+        public static void Error(Object context, string message, params object[] args) {
+            UnityDebug.LogErrorFormat(context, LOG_PREFIX + message, args);
+        }
+
+        public static void Exception(Exception exception) {
+            UnityDebug.LogException(exception);
+        }
+
+        public static void Exception(Object context, Exception exception) {
+            UnityDebug.LogException(exception, context);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Logger.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/MenuItems.cs

@@ -0,0 +1,176 @@
+using System;
+using System.Collections;
+using System.Linq;
+using FullscreenEditor.Linux;
+using FullscreenEditor.Windows;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    internal static class MenuItems {
+
+        [MenuItem(Shortcut.TOOLBAR_PATH, true)]
+        [MenuItem(Shortcut.FULLSCREEN_ON_PLAY_PATH, true)]
+        private static bool SetCheckMarks() {
+            Menu.SetChecked(Shortcut.TOOLBAR_PATH, FullscreenPreferences.ToolbarVisible);
+            Menu.SetChecked(Shortcut.FULLSCREEN_ON_PLAY_PATH, FullscreenPreferences.FullscreenOnPlayEnabled);
+            return true;
+        }
+
+        [MenuItem(Shortcut.TOOLBAR_PATH, false, 0)]
+        private static void Toolbar() {
+            FullscreenPreferences.ToolbarVisible.Value = !FullscreenPreferences.ToolbarVisible;
+        }
+
+        [MenuItem(Shortcut.FULLSCREEN_ON_PLAY_PATH, false, 0)]
+        private static void FullscreenOnPlay() {
+            FullscreenPreferences.FullscreenOnPlayEnabled.Value = !FullscreenPreferences.FullscreenOnPlayEnabled;
+        }
+
+        [MenuItem(Shortcut.CURRENT_VIEW_PATH, false, 100)]
+        private static void CVMenuItem() {
+            var focusedView = FullscreenUtility.IsLinux ?
+                EditorWindow.focusedWindow : // Linux does not support View fullscreen, only EditorWindow
+                FullscreenUtility.GetFocusedViewOrWindow();
+
+            if (!focusedView || focusedView is PlaceholderWindow)
+                return;
+
+            if (focusedView is EditorWindow)
+                Fullscreen.ToggleFullscreen(focusedView as EditorWindow);
+            else
+                Fullscreen.ToggleFullscreen(focusedView);
+        }
+
+        [MenuItem(Shortcut.GAME_VIEW_PATH, false, 100)]
+        private static void GVMenuItem() {
+            var gameView = FindCandidateForFullscreen(Types.PlayModeView ?? Types.GameView, FullscreenUtility.GetMainGameView());
+            Fullscreen.ToggleFullscreen(Types.GameView, gameView);
+        }
+
+        [MenuItem(Shortcut.SCENE_VIEW_PATH, false, 100)]
+        private static void SVMenuItem() {
+            var sceneView = FindCandidateForFullscreen<SceneView>(SceneView.lastActiveSceneView);
+            Fullscreen.ToggleFullscreen(sceneView);
+        }
+
+        [MenuItem(Shortcut.MAIN_VIEW_PATH, false, 100)]
+        private static void MVMenuItem() {
+            var mainView = FullscreenUtility.GetMainView();
+
+            if (FullscreenUtility.IsLinux) {
+                if (wmctrl.IsInstalled)
+                    wmctrl.ToggleNativeFullscreen(mainView);
+                else
+                    Logger.Warning("wmctrl not installed, cannot fullscreen main view. Install it using 'sudo apt-get install wmctrl'");
+                return;
+            }
+
+            if (!mainView) {
+                Logger.Error("No Main View found, this should not happen");
+                return;
+            }
+
+            Fullscreen.ToggleFullscreen(mainView);
+        }
+
+        [MenuItem(Shortcut.MOSAIC_PATH, true, 100)]
+        private static bool MosaicValidate() {
+            return FullscreenRects.ScreenCount >= 2;
+        }
+
+        [MenuItem(Shortcut.MOSAIC_PATH, false, 100)]
+        private static void MosaicMenuItem() {
+
+            var openFullscreens = Fullscreen.GetAllFullscreen();
+
+            if (openFullscreens.Length > 0) {
+                foreach (var fs in openFullscreens)
+                    fs.Close();
+                return;
+            }
+
+            var displays = DisplayInfo
+                .GetDisplays()
+                .Where(d => (d.displayDevice.StateFlags & DisplayDeviceStateFlags.AttachedToDesktop) != 0)
+                .ToList();
+
+            for (var i = 0; i < displays.Count && i < 8; i++) {
+                var targetDisplay = FullscreenPreferences.MosaicMapping.Value[i];
+
+                if (targetDisplay < 0) {
+                    continue; // -1 means none
+                }
+
+                var candidate = FindCandidateForFullscreen(Types.GameView, FullscreenUtility.GetMainGameView());
+
+                if (candidate) {
+                    candidate = EditorWindow.Instantiate(candidate);
+                    candidate.Show();
+                }
+
+                var fs = ScriptableObject.CreateInstance<FullscreenWindow>();
+                var rect = displays[i].UnityCorrectedArea;
+                fs.OpenWindow(rect, Types.GameView, candidate, true);
+
+                var gameView = fs.ActualViewPyramid.Window;
+
+                FullscreenUtility.SetGameViewDisplayTarget(gameView, targetDisplay);
+
+            }
+        }
+
+        [MenuItem(Shortcut.CLOSE_ALL_FULLSCREEN, false, 250)]
+        private static void CloseAll() {
+            foreach (var fs in Fullscreen.GetAllFullscreen())
+                fs.Close();
+        }
+
+        [MenuItem(Shortcut.CLOSE_ALL_FULLSCREEN, true, 250)]
+        private static bool CloseAllValidate() {
+            return Fullscreen.GetAllFullscreen().Length > 0;
+        }
+
+        [MenuItem(Shortcut.PREFERENCES_PATH, false, 1000)]
+        private static void OpenPreferences() {
+#if UNITY_2018_3_OR_NEWER
+            var windowType = ReflectionUtility.FindClass("UnityEditor.SettingsWindow");
+            windowType.InvokeMethod("Show", SettingsScope.User, "Preferences/Fullscreen Editor");
+#else
+            var windowType = ReflectionUtility.FindClass("UnityEditor.PreferencesWindow");
+            windowType.InvokeMethod("ShowPreferencesWindow");
+            After.Frames(3, () => {
+                var window = EditorWindow.GetWindow(windowType);
+                var sections = window.GetFieldValue<IList>("m_Sections").Cast<object>().ToList();
+                var index = sections.FindIndex(section => section.GetFieldValue<GUIContent>("content").text == "Fullscreen");
+                window.SetPropertyValue("selectedSectionIndex", index);
+            });
+#endif
+        }
+
+        private static T FindCandidateForFullscreen<T>(T mainCandidate = null) where T : EditorWindow {
+            return FindCandidateForFullscreen(typeof(T), mainCandidate) as T;
+        }
+
+        private static EditorWindow FindCandidateForFullscreen(Type type, EditorWindow mainCandidate = null) {
+            if (type == null)
+                throw new ArgumentNullException("type");
+
+            if (!type.IsOfType(typeof(EditorWindow)))
+                throw new ArgumentException("Invalid type, type must inherit from UnityEditor.EditorWindow", "type");
+
+            if (mainCandidate && !mainCandidate.IsOfType(type))
+                throw new ArgumentException("Main candidate type must match the type argument or be null", "mainCandidate");
+
+            // if (mainCandidate && !Fullscreen.GetFullscreenFromView(mainCandidate))
+            if (mainCandidate)
+                return mainCandidate; // Our candidate is not null and is not fullscreened either
+
+            return Resources // Returns the first window of our type that is not in fullscreen
+                .FindObjectsOfTypeAll(type)
+                .Cast<EditorWindow>()
+                .FirstOrDefault(window => !Fullscreen.GetFullscreenFromView(window));
+        }
+
+    }
+}

Assets/Fullscreen/Editor/MenuItems.cs.meta

@@ -0,0 +1,13 @@
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+timeCreated: 1509037117
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+  assetBundleVariant: 

Assets/Fullscreen/Editor/Patcher.cs

@@ -0,0 +1,137 @@
+using System;
+using System.Globalization;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    // error CS0702: A constraint cannot be special class `System.Delegate'
+    // Unity 2018.3.11f1 - .NET 3.5 equivalent
+    // public class Patcher<T> : Patcher where T : Delegate {
+    //     public Patcher(T method, T replacement) : base(method.GetMethodInfo(), replacement.GetMethodInfo()) { }
+
+    //     public Patcher(MethodBase method, T replacement) : base(method, replacement.GetMethodInfo()) { }
+    // }
+
+    public unsafe class Patcher {
+
+        private bool swapped;
+        private MethodBase method;
+        private MethodInfo replacement;
+        private byte[] backup = new byte[25];
+
+        private IntPtr pBody;
+        private IntPtr pBorrowed;
+
+        public Patcher(MethodBase method, MethodInfo replacement) {
+            if(!IsSupported())
+                throw new PlatformNotSupportedException("Not supported on non x86_x64 processors");
+
+            this.method = method;
+            this.replacement = replacement;
+        }
+
+        public static bool IsSupported() {
+            if(FullscreenUtility.IsMacOS) return false;
+            // Does not work on ARM/M1 macs
+            return CultureInfo.InvariantCulture.CompareInfo.IndexOf(SystemInfo.processorType, "ARM", CompareOptions.IgnoreCase) == -1 && Environment.Is64BitProcess;
+        }
+
+        public bool IsPatched() {
+            // var cursor = (byte * )pBody.ToPointer();
+            // var isOriginal = backup.All(b => * (cursor++) == b); 
+
+            return swapped;
+        }
+
+        public void Revert() {
+            if(!swapped) {
+                throw new Exception("Methods is not patched");
+            }
+            swapped = false;
+
+            unsafe {
+                var cursor = (byte*)pBody.ToPointer();
+                for(var i = 0; i < backup.Length; i++) {
+                    *(cursor++) = backup[i];
+                }
+            }
+        }
+
+        public void InvokeOriginal(object obj, params object[] parameters) {
+            try {
+                if(IsPatched())
+                    Revert();
+                method.Invoke(obj, parameters);
+            } finally {
+                if(!IsPatched())
+                    SwapMethods();
+            }
+        }
+
+        public void SwapMethods() {
+            if(swapped) {
+                throw new Exception("Methods already patched");
+            }
+            swapped = true;
+
+            RuntimeHelpers.PrepareMethod(method.MethodHandle);
+            RuntimeHelpers.PrepareMethod(replacement.MethodHandle);
+
+            pBody = method.MethodHandle.GetFunctionPointer();
+            pBorrowed = replacement.MethodHandle.GetFunctionPointer();
+
+            unsafe {
+
+                var ptr = (byte*)pBody.ToPointer();
+                var ptr2 = (byte*)pBorrowed.ToPointer();
+                var ptrDiff = ptr2 - ptr - 5;
+                var relativeJumpAvailable = ptrDiff < (long)0xFFFFFFFF && ptrDiff > (long)-0xFFFFFFFF;
+                var doNotUseRelativeJump = true; // See issues #69 and #89
+
+                Logger.Debug("Relative jump is {0}available \\ {1}bit platform", relativeJumpAvailable ? "" : "not ", sizeof(IntPtr) * 8);
+
+                // Backup orignal opcodes so we can revert it later
+                for(var i = 0; i < backup.Length; i++) {
+                    backup[i] = *(ptr + i);
+                }
+
+                if(!doNotUseRelativeJump && relativeJumpAvailable) {
+                    // 32-bit relative jump, available on both 32 and 64 bit arch.
+                    // Debug.Trace($"diff is {ptrDiff} doing relative jmp");
+                    // Debug.Trace("patching on {0:X}, target: {1:X}", (ulong)ptr, (ulong)ptr2);
+                    *ptr = 0xE9; // JMP
+                    *((uint*)(ptr + 1)) = (uint)ptrDiff;
+                } else {
+                    // Debug.Trace($"diff is {ptrDiff} doing push+ret trampoline");
+                    // Debug.Trace("patching on {0:X}, target: {1:X}", (ulong)ptr, (ulong)ptr2);
+                    if(sizeof(IntPtr) == 8) {
+                        // For 64bit arch and likely 64bit pointers, do:
+                        // PUSH bits 0 - 32 of addr
+                        // MOV [RSP+4] bits 32 - 64 of addr
+                        // RET
+                        var cursor = ptr;
+                        *(cursor++) = 0x68; // PUSH
+                        *((uint*)cursor) = (uint)ptr2;
+                        cursor += 4;
+                        *(cursor++) = 0xC7; // MOV [RSP+4]
+                        *(cursor++) = 0x44;
+                        *(cursor++) = 0x24;
+                        *(cursor++) = 0x04;
+                        *((uint*)cursor) = (uint)((ulong)ptr2 >> 32);
+                        cursor += 4;
+                        *(cursor++) = 0xC3; // RET
+                    } else {
+                        // For 32bit arch and 32bit pointers, do: PUSH addr, RET.
+                        *ptr = 0x68;
+                        *((uint*)(ptr + 1)) = (uint)ptr2;
+                        *(ptr + 5) = 0xC3;
+                    }
+                }
+
+                // Logger.Debug("Patched 0x{0:X} to 0x{1:X}.", (ulong)ptr, (ulong)ptr2);
+            }
+        }
+
+    }
+}

Assets/Fullscreen/Editor/Patcher.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/PlaceholderWindow.cs

@@ -0,0 +1,174 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    /// <summary>The window that will be shown in the place of the original view when creating a fullscreen container.</summary>
+    public class PlaceholderWindow : EditorWindow {
+
+        private const float PREVIEW_FRAMERATE = 24f;
+
+        private static class Styles {
+
+            public static readonly GUIStyle textStyle = new GUIStyle("BoldLabel");
+            public static readonly GUIStyle backgroundShadow = new GUIStyle("InnerShadowBg");
+            public static readonly GUIStyle buttonStyle = new GUIStyle("LargeButton");
+
+            static Styles() {
+                textStyle.wordWrap = true;
+                textStyle.alignment = TextAnchor.MiddleCenter;
+            }
+
+        }
+
+        [SerializeField] private Vector2 m_scroll;
+        [SerializeField] private FullscreenContainer m_fullscreenContainer;
+        [SerializeField] private bool m_containerForcefullyClosed;
+
+        private double m_nextUpdate;
+        private RenderTexture m_previewRT;
+
+        private FullscreenContainer FullscreenContainer {
+            get {
+                if (m_containerForcefullyClosed)
+                    return null;
+                if (!m_fullscreenContainer)
+                    m_fullscreenContainer = FullscreenUtility.GetRef<FullscreenContainer>(name);
+                if (!m_fullscreenContainer)
+                    m_containerForcefullyClosed = true;
+
+                return m_fullscreenContainer;
+            }
+            set { m_fullscreenContainer = value; }
+        }
+
+        private bool PreviewSupported {
+            get {
+                return FullscreenContainer &&
+                    !FullscreenContainer.Rect.Overlaps(position) &&
+                    FullscreenContainer.m_dst.View &&
+                    FullscreenContainer.m_src.Window &&
+                    FullscreenContainer.m_dst.View.HasMethod("GrabPixels");
+            }
+        }
+
+        private void Update() {
+            if (EditorApplication.timeSinceStartup < m_nextUpdate)
+                return;
+
+            m_nextUpdate = EditorApplication.timeSinceStartup + (1f / PREVIEW_FRAMERATE);
+            RenderTexture.ReleaseTemporary(m_previewRT);
+            m_previewRT = null;
+
+            if (!PreviewSupported || m_containerForcefullyClosed)
+                return;
+
+            var view = FullscreenContainer ? FullscreenContainer.m_dst.View : null;
+            var width = (int)FullscreenContainer.Rect.width;
+            var height = (int)FullscreenContainer.Rect.height;
+
+            if (!view || width < 10 || height < 10)
+                return;
+
+            m_previewRT = RenderTexture.GetTemporary(width, height, 0);
+            view.InvokeMethod("GrabPixels", m_previewRT, new Rect(0f, 0f, width, height));
+            Repaint();
+        }
+
+        private void OnDisable() {
+            RenderTexture.ReleaseTemporary(m_previewRT);
+        }
+
+        private void OnGUI() {
+
+            using(var scrollScope = new EditorGUILayout.ScrollViewScope(m_scroll))
+            using(var mainScope = new EditorGUILayout.VerticalScope(Styles.backgroundShadow)) {
+
+                m_scroll = scrollScope.scrollPosition;
+
+                using(new GUIColor(Color.white, 0.1f))
+                if (m_previewRT) {
+                    var rtRect = SystemInfo.graphicsUVStartsAtTop ?
+                        Rect.MinMaxRect(0f, 1f, 1f, 0f) : // Direct3D like
+                        Rect.MinMaxRect(0f, 0f, 1f, 1f); // OpenGL like
+
+                    GUI.DrawTextureWithTexCoords(mainScope.rect, m_previewRT, rtRect);
+                }
+
+                using(new GUIColor(Styles.textStyle.normal.textColor * 0.05f))
+                GUI.DrawTexture(mainScope.rect, FullscreenUtility.FullscreenIcon, ScaleMode.ScaleAndCrop);
+
+                GUILayout.FlexibleSpace();
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+
+                    using(new GUIContentColor(Styles.textStyle.normal.textColor))
+                    GUILayout.Label(FullscreenUtility.FullscreenIcon, Styles.textStyle);
+
+                    using(new EditorGUILayout.VerticalScope()) {
+                        if (FullscreenContainer && FullscreenContainer.ActualViewPyramid.Container) {
+                            GUILayout.Label("The view that lives here is in fullscreen mode", Styles.textStyle);
+                            GUILayout.Label("Don't close this placeholder", Styles.textStyle);
+                        } else {
+                            GUILayout.Label("The view that lived here was forcefully closed while in fullscreen, restore is not available", Styles.textStyle);
+                            GUILayout.Label("Consider using the shortcuts to exit fullscreen", Styles.textStyle);
+                            GUILayout.Label("You may close this placeholder", Styles.textStyle);
+                        }
+
+                    }
+                    GUILayout.FlexibleSpace();
+                }
+
+                using(new EditorGUILayout.HorizontalScope()) {
+                    GUILayout.FlexibleSpace();
+
+                    if (FullscreenContainer && FullscreenContainer.ActualViewPyramid.Container) {
+                        if (GUILayout.Button("Restore View", Styles.buttonStyle))
+                            FullscreenContainer.Close();
+                    } else if (GUILayout.Button("Close Placeholder", Styles.buttonStyle))
+                        Close();
+                    GUILayout.FlexibleSpace();
+                }
+
+                GUILayout.FlexibleSpace();
+
+                // This GUI may be called after "this" has been destroyed, that causes a NullReference for the "name" getter
+                // Not sure why this happens tho
+                EditorGUILayout.LabelField(SafeObjToString(() => name));
+                EditorGUILayout.Space();
+
+                if (FullscreenUtility.DebugModeEnabled) {
+                    EditorGUILayout.LabelField("Forcefully Closed", SafeObjToString(() => m_containerForcefullyClosed));
+
+                    EditorGUILayout.LabelField("Container", SafeObjToString(() => FullscreenContainer));
+                    EditorGUILayout.LabelField("Rect", SafeObjToString(() => FullscreenContainer.Rect));
+
+                    EditorGUILayout.LabelField("SRC Window", SafeObjToString(() => FullscreenContainer.m_src.Window));
+                    EditorGUILayout.LabelField("SRC View", SafeObjToString(() => FullscreenContainer.m_src.View));
+                    EditorGUILayout.LabelField("SRC Container", SafeObjToString(() => FullscreenContainer.m_src.Container));
+
+                    EditorGUILayout.LabelField("DST Window", SafeObjToString(() => FullscreenContainer.m_dst.Window));
+                    EditorGUILayout.LabelField("DST View", SafeObjToString(() => FullscreenContainer.m_dst.View));
+                    EditorGUILayout.LabelField("DST Container", SafeObjToString(() => FullscreenContainer.m_dst.Container));
+
+                    EditorGUILayout.Space();
+                }
+
+            }
+        }
+
+        private string SafeObjToString<T>(Func<T> obj) {
+            try {
+                var i = obj();
+                return i == null? "null": i.ToString();
+            } catch {
+                return "invalid";
+            }
+        }
+
+    }
+}

Assets/Fullscreen/Editor/PlaceholderWindow.cs.meta

@@ -0,0 +1,11 @@
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+MonoImporter:
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+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/PrefItem.cs

@@ -0,0 +1,128 @@
+using System;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    /// <summary>Helper class for saving preferences.</summary>
+    /// <typeparam name="T">The type you want to save, must be marked as <see cref="SerializableAttribute"/></typeparam>
+    [Serializable]
+    public sealed class PrefItem<T> {
+
+        [SerializeField]
+        private T savedValue;
+
+        /// <summary>The key for saving the value.</summary>
+        public string Key { get; private set; }
+
+        /// <summary>The default value to use when there's none saved.</summary>
+        public T DefaultValue { get; private set; }
+
+        /// <summary>A label and an explanation of what this item is for.</summary>
+        public GUIContent Content { get; private set; }
+
+        /// <summary>Callback called whenever the saved value changes.</summary>
+        public Action<T> OnValueSaved { get; set; }
+
+        /// <summary>The value saved by this instance.</summary>
+        public T Value {
+            get { return savedValue; }
+            set {
+                if (!savedValue.Equals(value)) {
+                    savedValue = value;
+                    SaveValue();
+                }
+            }
+        }
+
+        public PrefItem(string key, T defaultValue, string text, string tooltip) {
+            Key = "Fullscreen." + key;
+
+            FullscreenPreferences.onLoadDefaults += DeleteValue;
+
+            Content = new GUIContent(text, tooltip);
+            FullscreenPreferences.contents.Add(Content);
+            DefaultValue = savedValue = defaultValue;
+            LoadValue();
+        }
+
+        private void LoadValue() {
+            try {
+                if (EditorPrefs.HasKey(Key))
+                    JsonUtility.FromJsonOverwrite(EditorPrefs.GetString(Key), this);
+            } catch (Exception e) {
+                Logger.Warning("Failed to load {0}, using default value: {1}", Key, e);
+                savedValue = DefaultValue;
+                SaveValue();
+            }
+        }
+
+        public void SaveValue() {
+            try {
+                EditorPrefs.SetString(Key, JsonUtility.ToJson(this));
+                Logger.Debug("Saved value to key {0}:\n{1}", Key, EditorPrefs.GetString(Key));
+
+                if (OnValueSaved != null)
+                    OnValueSaved.Invoke(Value);
+
+                InternalEditorUtility.RepaintAllViews();
+            } catch (Exception e) {
+                Logger.Warning("Failed to save {0}: {1}", Key, e);
+            }
+        }
+
+        public void DeleteValue() {
+            EditorPrefs.DeleteKey(Key);
+            savedValue = DefaultValue;
+
+            if (OnValueSaved != null)
+                OnValueSaved.Invoke(savedValue);
+        }
+
+        public static implicit operator T(PrefItem<T> pb) { return pb.Value; }
+
+        public static implicit operator GUIContent(PrefItem<T> pb) { return pb.Content; }
+
+    }
+
+    /// <summary>Helper class for drawing the <see cref="PrefItem{T}"/> in the <see cref="PreferencesWindow"/>.</summary>
+    public static class PrefItemGUI {
+
+        public static void DoGUI(this PrefItem<int> pref) {
+            pref.Value = EditorGUILayout.IntField(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<float> pref) {
+            pref.Value = EditorGUILayout.FloatField(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<int> pref, int min, int max) {
+            pref.Value = EditorGUILayout.IntSlider(pref.Content, pref.Value, min, max);
+        }
+
+        public static void DoGUI(this PrefItem<float> pref, float min, float max) {
+            pref.Value = EditorGUILayout.Slider(pref.Content, pref.Value, min, max);
+        }
+
+        public static void DoGUI(this PrefItem<bool> pref) {
+            pref.Value = EditorGUILayout.Toggle(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<string> pref) {
+            pref.Value = EditorGUILayout.TextField(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<Color> pref) {
+            pref.Value = EditorGUILayout.ColorField(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<Rect> pref) {
+            pref.Value = EditorGUILayout.RectField(pref.Content, pref.Value);
+        }
+
+        public static void DoGUI(this PrefItem<RectSourceMode> pref) {
+            pref.Value = (RectSourceMode)EditorGUILayout.EnumPopup(pref.Content, pref.Value);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/PrefItem.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 4122d1a6d249e2845aa5f93eb83c2b50
+timeCreated: 1508428743
+licenseType: Store
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Fullscreen/Editor/ReflectionUtility.cs

@@ -0,0 +1,197 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using UnityEditor;
+
+namespace FullscreenEditor {
+    /// <summary>Class containing method extensions for getting private and internal members.</summary>
+    public static class ReflectionUtility {
+
+        private static Assembly[] cachedAssemblies;
+
+        public const BindingFlags FULL_BINDING = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;
+
+        /// <summary>Find a type by its name.</summary>
+        public static Type FindClass(string name) {
+            // return typeof(Editor).Assembly.GetType(name, false, true);
+            var result = FindTypeInAssembly(name, typeof(Editor).Assembly);
+
+            if (result != null)
+                return result;
+
+            if (cachedAssemblies == null)
+                cachedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
+
+            for (var i = 0; i < cachedAssemblies.Length; i++) {
+                result = FindTypeInAssembly(name, cachedAssemblies[i]);
+
+                if (result != null)
+                    return result;
+            }
+
+            return result;
+        }
+
+        private static Type FindTypeInAssembly(string name, Assembly assembly) {
+            return assembly == null ?
+                null :
+                assembly.GetType(name, false, true);
+        }
+
+        /// <summary>Find a field of a type by its name.</summary>
+        public static FieldInfo FindField(this Type type, string fieldName, bool throwNotFound = true) {
+            if (type == null)
+                throw new ArgumentNullException("type");
+
+            var field = type.GetField(fieldName, FULL_BINDING);
+
+            if (field == null && throwNotFound)
+                throw new MissingFieldException(type.FullName, fieldName);
+
+            return field;
+        }
+
+        /// <summary>Find a property of a type by its name.</summary>
+        public static PropertyInfo FindProperty(this Type type, string propertyName, bool throwNotFound = true) {
+            if (type == null)
+                throw new ArgumentNullException("type");
+
+            var prop = type.GetProperty(propertyName, FULL_BINDING);
+
+            if (prop == null && throwNotFound)
+                throw new MissingMemberException(type.FullName, propertyName);
+
+            return prop;
+        }
+
+        /// <summary>Find a method of a type by its name.</summary>
+        public static MethodInfo FindMethod(this Type type, string methodName, Type[] args = null, bool throwNotFound = true) {
+            if (type == null)
+                throw new ArgumentNullException("type");
+
+            MethodInfo method;
+
+            if (args == null) {
+                method = type.GetMethod(methodName, FULL_BINDING);
+                // method = type.GetMethods(FULL_BINDING)
+                //     .Where(m => m.Name == methodName)
+                //     .FirstOrDefault();
+            } else {
+                method = type.GetMethod(methodName, FULL_BINDING, null, args, null);
+
+                // There are very specific cases where the above method may not bind properly
+                // e.g. when the method declares an enum and the arg type is an int, so we ignore the args 
+                // and hope that there are no ambiguity of methods
+                if (method == null) {
+                    method = FindMethod(type, methodName, null, throwNotFound);
+
+                    if (method != null && method.GetParameters().Length != args.Length)
+                        method = null;
+                }
+            }
+
+            if (method == null && throwNotFound)
+                throw new MissingMethodException(type.FullName, methodName);
+
+            return method;
+        }
+
+        /// <summary>Get the value of the static field.</summary>
+        public static T GetFieldValue<T>(this Type type, string fieldName) { return (T)type.FindField(fieldName).GetValue(null); }
+
+        /// <summary>Get the value of the instance field.</summary>
+        public static T GetFieldValue<T>(this object obj, string fieldName) { return (T)obj.GetType().FindField(fieldName).GetValue(obj); }
+
+        /// <summary>Set the value of the static field.</summary>
+        public static void SetFieldValue(this Type type, string fieldName, object value) { type.FindField(fieldName).SetValue(null, value); }
+
+        /// <summary>Set the value of the instance field.</summary>
+        public static void SetFieldValue(this object obj, string fieldName, object value) { obj.GetType().FindField(fieldName).SetValue(obj, value); }
+
+        /// <summary>Get the value of the static property.</summary>
+        public static T GetPropertyValue<T>(this Type type, string propertyName) { return (T)type.FindProperty(propertyName).GetValue(null, null); }
+
+        /// <summary>Get the value of the instance property.</summary>
+        public static T GetPropertyValue<T>(this object obj, string propertyName) { return (T)obj.GetType().FindProperty(propertyName).GetValue(obj, null); }
+
+        /// <summary>Set the value of the static property.</summary>
+        public static void SetPropertyValue(this Type type, string propertyName, object value) { type.FindProperty(propertyName).SetValue(null, value, null); }
+
+        /// <summary>Set the value of the instance property.</summary>
+        public static void SetPropertyValue(this object obj, string propertyName, object value) { obj.GetType().FindProperty(propertyName).SetValue(obj, value, null); }
+
+        /// <summary>Invoke a static method on the type and return the result.</summary>
+        public static T InvokeMethod<T>(this Type type, string methodName, params object[] args) { return (T)type.FindMethod(methodName, args.Select(a => a.GetType()).ToArray()).Invoke(null, args); }
+
+        /// <summary>Invoke a method on the object instance and return the result.</summary>
+        public static T InvokeMethod<T>(this object obj, string methodName, params object[] args) { return (T)obj.GetType().FindMethod(methodName, args.Select(a => a.GetType()).ToArray()).Invoke(obj, args); }
+
+        /// <summary>Invoke a static method on the type.</summary>
+        public static void InvokeMethod(this Type type, string methodName, params object[] args) { type.FindMethod(methodName, args.Select(a => a.GetType()).ToArray()).Invoke(null, args); }
+
+        /// <summary>Invoke a method on the object instance.</summary>
+        public static void InvokeMethod(this object obj, string methodName, params object[] args) { obj.GetType().FindMethod(methodName, args.Select(a => a.GetType()).ToArray()).Invoke(obj, args); }
+
+        /// <summary>Returns wheter the given type is the same as another one.</summary>
+        /// <param name="toCheck">Type that will be checked.</param>
+        /// <param name="type">Type to check against.</param>
+        /// <param name="orInherited">Returns true if the checked type is inherited from the type argument.</param>
+        public static bool IsOfType(this Type toCheck, Type type, bool orInherited = true) {
+            return type == toCheck || (orInherited && type.IsAssignableFrom(toCheck));
+        }
+
+        /// <summary>Returns wheter the given instance is of a given type.</summary>
+        /// <param name="obj">The instance to check.</param>
+        /// <param name="type">Type to check against.</param>
+        /// <param name="orInherited">Returns true if the instance is inherited from the type argument.</param>
+        public static bool IsOfType<T>(this T obj, Type type, bool orInherited = true) {
+            return obj.GetType().IsOfType(type, orInherited);
+        }
+
+        /// <summary>Throws an exception if the instance is not of the given type.</summary>
+        /// <param name="obj">The instance to check.</param>
+        /// <param name="type">Type to check against.</param>
+        /// <param name="orInherited">Do not throw if the instance is inherited from the type argument.</param>
+        public static void EnsureOfType<T>(this T obj, Type type, bool orInherited = true) {
+            if (!obj.IsOfType(type, orInherited))
+                throw new InvalidCastException(
+                    string.Format("Object {0} must be of type {1}{2}",
+                        obj.GetType().FullName,
+                        type.FullName,
+                        orInherited? " or inherited from it": ""
+                    )
+                );
+        }
+
+        /// <summary>Returns whether the type defines the static field.</summary>
+        public static bool HasField(this Type type, string fieldName) {
+            return type.FindField(fieldName, false) != null;
+        }
+
+        /// <summary>Returns whether the type defines the static property.</summary>
+        public static bool HasProperty(this Type type, string propertyName) {
+            return type.FindProperty(propertyName, false) != null;
+        }
+
+        /// <summary>Returns whether the type defines the static method.</summary>
+        public static bool HasMethod(this Type type, string methodName, Type[] args = null) {
+            return type.FindMethod(methodName, args, false) != null;
+        }
+
+        /// <summary>Returns whether the object type defines the instance field.</summary>
+        public static bool HasField(this object obj, string fieldName) {
+            return obj.GetType().HasField(fieldName);
+        }
+
+        /// <summary>Returns whether the object type defines the instance property.</summary>
+        public static bool HasProperty(this object obj, string propertyName) {
+            return obj.GetType().HasProperty(propertyName);
+        }
+
+        /// <summary>Returns whether the object type defines the instance method.</summary>
+        public static bool HasMethod(this object obj, string methodName, Type[] args = null) {
+            return obj.GetType().HasMethod(methodName, args);
+        }
+
+    }
+}

Assets/Fullscreen/Editor/ReflectionUtility.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: bf03c2f7a14d3bf4da513b03829e3157
+timeCreated: 1508968711
+licenseType: Store
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+  serializedVersion: 2
+  defaultReferences: []
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Assets/Fullscreen/Editor/RestoreCursorState.cs

@@ -0,0 +1,43 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace FullscreenEditor {
+    [InitializeOnLoad]
+    public class RestoreCursorState {
+
+        static RestoreCursorState() {
+            var cursorVisible = Cursor.visible;
+
+            // this is where the magic happens
+            Action<FullscreenContainer> magic = (fs) => {
+                if (!FullscreenPreferences.RestoreCursorLockAndHideState) return;
+
+                // frame count doesn't seem to make much of a difference,
+                // but I think it's best to do this after the view is
+                // focused by the "FixGameViewMouseInput" class
+                After.Frames(55, () => {
+                    var gameView = fs.m_dst.Window && fs.m_dst.Window.IsOfType(Types.GameView) ? fs.m_dst.Window :
+                                    fs.m_src.Window && fs.m_src.Window.IsOfType(Types.GameView) ? fs.m_src.Window : null;
+
+                    if (!EditorApplication.isPaused && gameView && gameView.IsOfType(Types.GameView) && gameView.HasMethod("AllowCursorLockAndHide")) {
+                        gameView.InvokeMethod("AllowCursorLockAndHide", true);
+                        Unsupported.SetAllowCursorHide(true);
+                        Cursor.visible = cursorVisible;
+                    }
+                });
+            };
+
+            Action<FullscreenContainer> storeCursorVisible = (fs) => {
+                cursorVisible = Cursor.visible;
+            };
+
+            FullscreenCallbacks.afterFullscreenOpen += magic;
+            FullscreenCallbacks.afterFullscreenClose += magic;
+
+            FullscreenCallbacks.beforeFullscreenOpen += storeCursorVisible;
+            FullscreenCallbacks.beforeFullscreenClose += storeCursorVisible;
+        }
+
+    }
+}

Assets/Fullscreen/Editor/RestoreCursorState.cs.meta

@@ -0,0 +1,11 @@
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Assets/Fullscreen/Editor/Shortcut.cs

@@ -0,0 +1,289 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using UnityEditor;
+using UnityEditorInternal;
+using UnityEngine;
+using Debug = UnityEngine.Debug;
+
+namespace FullscreenEditor {
+
+    [AttributeUsage(AttributeTargets.Field)]
+    internal class DynamicMenuItemAttribute : Attribute {
+
+        public bool AllowNoneValue { get; private set; }
+
+        public DynamicMenuItemAttribute(bool allowNoneValue) {
+            AllowNoneValue = allowNoneValue;
+        }
+
+    }
+
+    internal class Shortcut {
+
+        #region Fields
+        //Always end with an space if the path has no shortcut
+        [DynamicMenuItem(true)] public const string TOOLBAR_PATH = "Fullscreen/Show Toolbar _F8";
+        [DynamicMenuItem(true)] public const string FULLSCREEN_ON_PLAY_PATH = "Fullscreen/Fullscreen On Play ";
+        [DynamicMenuItem(true)] public const string PREFERENCES_PATH = "Fullscreen/Preferences... ";
+        [DynamicMenuItem(false)] public const string CURRENT_VIEW_PATH = "Fullscreen/Focused View _F9";
+        [DynamicMenuItem(false)] public const string GAME_VIEW_PATH = "Fullscreen/Game View _F10";
+        [DynamicMenuItem(false)] public const string SCENE_VIEW_PATH = "Fullscreen/Scene View _F11";
+        [DynamicMenuItem(false)] public const string MAIN_VIEW_PATH = "Fullscreen/Main View _F12";
+        [DynamicMenuItem(false)] public const string MOSAIC_PATH = "Fullscreen/Mosaic %F10";
+        [DynamicMenuItem(true)] public const string CLOSE_ALL_FULLSCREEN = "Fullscreen/Close All %F12";
+
+        private const char CTRL_CHAR = '%';
+        private const char SHIFT_CHAR = '#';
+        private const char ALT_CHAR = '&';
+        private const char NONE_CHAR = '_';
+
+        private static readonly List<Shortcut> fieldsInfo = new List<Shortcut>();
+        /* fixformat ignore:start */
+        private static readonly string[] keys = new string[] {
+            "None",
+            "F1", "F2", "F3", "F4", "F5", "F6", "F7", "F8", "F9", "F10", "F11", "F12",
+            "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
+            "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z",
+            "LEFT", "RIGHT", "UP", "DOWN", "HOME", "END", "PGUP", "PGDN"
+        };
+        /* fixformat ignore:end */
+
+        private static bool changed;
+        #endregion
+
+        #region Properties
+        public bool Ctrl { get; set; }
+        public bool Shift { get; set; }
+        public bool Alt { get; set; }
+        public int KeyCode { get; set; }
+
+        public bool AllowNoneValue { get; private set; }
+        public string FieldName { get; private set; }
+        public string BaseString { get; private set; }
+        public string Label { get { return BaseString.Substring(BaseString.LastIndexOf('/') + 1); } }
+
+        private static bool IsSourceFile { get { return !string.IsNullOrEmpty(ThisFilePath) && File.Exists(ThisFilePath); } }
+        private static string ThisFilePath {
+            get {
+                try {
+                    return new StackFrame(true).GetFileName();
+                } catch (Exception e) {
+                    Logger.Exception(e);
+                    return string.Empty;
+                }
+            }
+        }
+        #endregion
+
+        #region Constructors
+        static Shortcut() {
+            var type = typeof(Shortcut);
+            var fields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
+
+            if (fields != null)
+                foreach (var field in fields) {
+                    var att = field.GetCustomAttributes(typeof(DynamicMenuItemAttribute), false);
+
+                    if (att != null)
+                        for (var i = 0; i < att.Length; i++)
+                            fieldsInfo.Add(new Shortcut((DynamicMenuItemAttribute)att[i], field));
+                }
+        }
+
+        public Shortcut(DynamicMenuItemAttribute shortcutAttribute, FieldInfo field) {
+            FieldName = field.Name;
+            AllowNoneValue = shortcutAttribute.AllowNoneValue;
+
+            var constant = (string)field.GetValue(null);
+            var lastSpace = constant.LastIndexOf(' ') + 1;
+
+            if (!constant.EndsWith(" "))
+                BaseString = constant.Remove(lastSpace);
+            else {
+                BaseString = constant;
+                return;
+            }
+
+            constant = constant.Substring(lastSpace);
+
+            if (string.IsNullOrEmpty(constant))
+                return;
+
+            Ctrl = constant.Contains(CTRL_CHAR);
+            Shift = constant.Contains(SHIFT_CHAR);
+            Alt = constant.Contains(ALT_CHAR);
+
+            constant = constant.Replace(CTRL_CHAR.ToString(), string.Empty);
+            constant = constant.Replace(SHIFT_CHAR.ToString(), string.Empty);
+            constant = constant.Replace(ALT_CHAR.ToString(), string.Empty);
+            constant = constant.Replace(NONE_CHAR.ToString(), string.Empty);
+
+            KeyCode = Array.IndexOf(keys, constant);
+
+            if (KeyCode < 0 || KeyCode >= keys.Length) {
+                Logger.Warning("Invalid shortcut term: {0}", constant);
+                KeyCode = 0;
+            }
+        }
+        #endregion
+
+        public string GetShortcutString() {
+            if (KeyCode == 0)
+                return "";
+
+            var result = new StringBuilder();
+
+            if (!Ctrl && !Shift && !Alt)
+                result.Append(NONE_CHAR);
+            else {
+                if (Ctrl)
+                    result.Append(CTRL_CHAR);
+                if (Shift)
+                    result.Append(SHIFT_CHAR);
+                if (Alt)
+                    result.Append(ALT_CHAR);
+            }
+
+            result.Append(keys[KeyCode]);
+
+            return result.ToString();
+        }
+
+        #region Methods
+        public override string ToString() {
+            return BaseString + GetShortcutString();
+        }
+
+        public static void DoShortcutsGUI() {
+            GUI.changed = false;
+
+            using(new EditorGUI.DisabledGroupScope(EditorApplication.isCompiling || !IsSourceFile)) {
+
+                if (InternalEditorUtility.GetUnityVersion() >= new Version(2019, 1))
+                    EditorGUILayout.HelpBox(string.Format("You can set custom shortcuts on a per user basis by editing them under {0} menu", FullscreenUtility.IsMacOS ? "Unity/Shortcuts" : "Edit/Shortcuts"), MessageType.Info);
+
+                foreach (var field in fieldsInfo)
+                    DrawShortcut(field);
+
+                var duplicated = AnyDuplicates();
+                var invalid = AnyInvalid();
+
+                if (duplicated)
+                    EditorGUILayout.HelpBox("Some menu items have the same keystroke, this is not allowed.", MessageType.Error);
+
+                if (invalid)
+                    EditorGUILayout.HelpBox("Some menu items don't have a valid keystroke, you won't be able to use their correspondent fullscreens.", MessageType.Warning);
+
+                using(new EditorGUI.DisabledGroupScope(duplicated || !changed))
+                if (GUILayout.Button("Apply Shortcuts"))
+                    ApplyChanges();
+            }
+
+            if (GUI.changed)
+                changed = true;
+        }
+
+        private static void ApplyChanges() {
+            if (EditorApplication.isCompiling)
+                return;
+
+            AssetDatabase.StartAssetEditing();
+
+            foreach (var field in fieldsInfo)
+                ReplaceConstant(field.FieldName, field);
+
+            AssetDatabase.StopAssetEditing();
+            AssetDatabase.Refresh();
+        }
+
+        private static bool AnyInvalid() {
+            foreach (var field in fieldsInfo)
+                if (field == null || !field.AllowNoneValue && field.KeyCode == 0)
+                    return true;
+
+            return false;
+        }
+
+        private static bool AnyDuplicates() {
+            for (var i = 0; i < fieldsInfo.Count; i++)
+                for (var j = i + 1; j < fieldsInfo.Count; j++) {
+                    var fieldI = fieldsInfo[i];
+                    var fieldJ = fieldsInfo[j];
+
+                    if (fieldI == null || fieldJ == null ||
+                        (fieldI.KeyCode != 0 && fieldI.GetShortcutString() == fieldJ.GetShortcutString()))
+                        return true;
+                }
+
+            return false;
+        }
+
+        private static Shortcut DrawShortcut(Shortcut shortcut) {
+            using(new EditorGUILayout.HorizontalScope()) {
+                EditorGUILayout.LabelField(shortcut.Label, GUILayout.Width(130f));
+
+                shortcut.Ctrl = GUILayout.Toggle(shortcut.Ctrl, FullscreenUtility.IsMacOS ? "Cmd" : "Ctrl", EditorStyles.miniButtonLeft, GUILayout.Width(50f));
+                shortcut.Shift = GUILayout.Toggle(shortcut.Shift, "Shift", EditorStyles.miniButtonMid, GUILayout.Width(50f));
+                shortcut.Alt = GUILayout.Toggle(shortcut.Alt, "Alt", EditorStyles.miniButtonRight, GUILayout.Width(50f));
+                shortcut.KeyCode = EditorGUILayout.Popup(shortcut.KeyCode, keys);
+
+                if (GUILayout.Button(new GUIContent("X", "Clear Shortcut"))) {
+                    shortcut.Ctrl = false;
+                    shortcut.Shift = false;
+                    shortcut.Alt = false;
+                    shortcut.KeyCode = 0;
+                }
+            }
+
+            return shortcut;
+        }
+
+        private static void ReplaceConstant(string constantName, object newValue) {
+            try {
+                if (!IsSourceFile) {
+                    Logger.Error("Could not find the source code file to change value");
+                    return;
+                }
+
+                var fileText = new StringBuilder();
+                var changed = false;
+
+                using(var file = File.OpenText(ThisFilePath))
+                while (!file.EndOfStream) {
+                    var line = file.ReadLine();
+
+                    if (!line.Contains(constantName)) {
+                        fileText.AppendLine(line);
+                        continue;
+                    }
+
+                    var indexOfValue = line.IndexOf('=');
+
+                    fileText.Append(line.Remove(indexOfValue));
+                    fileText.AppendLine(string.Format("= \"{0}\";", newValue));
+                    fileText.Append(file.ReadToEnd());
+
+                    changed = true;
+                }
+
+                fileText = fileText.Replace("\r\n", "\n").Replace("\r", "\n").Replace("\n", Environment.NewLine);
+
+                if (changed)
+                    File.WriteAllText(ThisFilePath, fileText.ToString());
+                else
+                    Logger.Warning("Failed to find field {0} on {1}", constantName, ThisFilePath);
+            } catch (Exception e) {
+                Logger.Exception(e);
+                Logger.Error("Failed to save Fullscreen Editor shortcuts");
+            }
+        }
+        #endregion
+
+    }
+
+}

Assets/Fullscreen/Editor/Shortcut.cs.meta

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Assets/Fullscreen/Editor/ViewPyramid.cs

@@ -0,0 +1,98 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+using UnityObject = UnityEngine.Object;
+using HostView = UnityEngine.ScriptableObject;
+using View = UnityEngine.ScriptableObject;
+using ContainerWindow = UnityEngine.ScriptableObject;
+
+namespace FullscreenEditor {
+    /// <summary>Represents the pyramid containing all the elements that make up a window.</summary>
+    [Serializable]
+    public struct ViewPyramid {
+
+        /// <summary>The actual window, may be null if the pyramid was created from a view or container.</summary>
+        public EditorWindow Window {
+            get {
+                if (!m_window && m_windowInstanceID != 0)
+                    m_window = (EditorWindow)EditorUtility.InstanceIDToObject(m_windowInstanceID);
+                return m_window;
+            }
+            set {
+                m_window = value;
+                m_windowInstanceID = m_window ? m_window.GetInstanceID() : 0;
+            }
+        }
+
+        /// <summary>View that controls how the window (and child view) are drawn.</summary>
+        public View View {
+            get {
+                if (!m_view && m_viewInstanceID != 0)
+                    m_view = (View)EditorUtility.InstanceIDToObject(m_viewInstanceID);
+                return m_view;
+            }
+            set {
+                value.EnsureOfType(Types.View);
+                m_view = value;
+                m_viewInstanceID = m_view ? m_view.GetInstanceID() : 0;
+            }
+        }
+
+        /// <summary>The native window.</summary>
+        public ContainerWindow Container {
+            get {
+                if (!m_container && m_containerInstanceID != 0)
+                    m_container = (ContainerWindow)EditorUtility.InstanceIDToObject(m_containerInstanceID);
+                return m_container;
+            }
+            set {
+                value.EnsureOfType(Types.ContainerWindow);
+                m_container = value;
+                m_containerInstanceID = m_container ? m_container.GetInstanceID() : 0;
+            }
+        }
+
+        [SerializeField] private EditorWindow m_window;
+        [SerializeField] private View m_view;
+        [SerializeField] private ContainerWindow m_container;
+
+        [SerializeField] private int m_windowInstanceID;
+        [SerializeField] private int m_viewInstanceID;
+        [SerializeField] private int m_containerInstanceID;
+
+        /// <summary>Create a new instance and automatically assigns the window, view and container.</summary>
+        public ViewPyramid(ScriptableObject viewOrWindow) {
+
+            if (!viewOrWindow) {
+                m_window = null;
+                m_view = null;
+                m_container = null;
+            } else if (viewOrWindow.IsOfType(typeof(EditorWindow))) {
+                m_window = viewOrWindow as EditorWindow;
+                m_view = m_window.GetFieldValue<View>("m_Parent");
+                m_container = m_view.GetPropertyValue<ContainerWindow>("window");
+            } else if (viewOrWindow.IsOfType(Types.View)) {
+                m_window = null;
+                m_view = viewOrWindow;
+                m_container = m_view.GetPropertyValue<ContainerWindow>("window");
+            } else if (viewOrWindow.IsOfType(Types.ContainerWindow)) {
+                m_window = null;
+                m_view = viewOrWindow.GetPropertyValue<ContainerWindow>("rootView");
+                m_container = viewOrWindow;
+            } else {
+                throw new ArgumentException("Param must be of type EditorWindow, View or ContainerWindow", "viewOrWindow");
+            }
+
+            if (!m_window && m_view && m_view.IsOfType(Types.HostView))
+                m_window = m_view.GetPropertyValue<EditorWindow>("actualView");
+
+            m_windowInstanceID = m_window ? m_window.GetInstanceID() : 0;
+            m_viewInstanceID = m_view ? m_view.GetInstanceID() : 0;
+            m_containerInstanceID = m_container ? m_container.GetInstanceID() : 0;
+
+        }
+
+    }
+}

Assets/Fullscreen/Editor/ViewPyramid.cs.meta

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Assets/Fullscreen/Editor/Windows.meta

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Assets/Fullscreen/Editor/Windows/GDI32.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FullscreenEditor.Windows {
+    internal static class GDI32 {
+
+        // http://pinvoke.net/default.aspx/gdi32/GetDeviceCaps.html
+        public enum DeviceCap {
+            VERTRES = 10,
+            DESKTOPVERTRES = 117,
+        }
+
+        [DllImport("gdi32.dll")]
+        public static extern int GetDeviceCaps(IntPtr hDc, int nIndex);
+
+    }
+}

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Assets/Fullscreen/Editor/Windows/ShCore.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FullscreenEditor.Windows {
+
+    internal enum MonitorDpiType {
+        MDT_EFFECTIVE_DPI = 0,
+        MDT_ANGULAR_DPI = 1,
+        MDT_RAW_DPI = 2,
+    }
+
+    internal static class ShCore {
+
+        [DllImport("shcore.dll")]
+        internal static extern uint GetDpiForMonitor(IntPtr hmonitor, MonitorDpiType dpiType, out uint dpiX, out uint dpiY);
+
+    }
+}

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Assets/Fullscreen/Editor/Windows/Structs.cs

@@ -0,0 +1,127 @@
+using System;
+using System.Runtime.InteropServices;
+using UnityEngine;
+
+namespace FullscreenEditor.Windows {
+    [System.Serializable]
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct NativeRect {
+        public int left;
+        public int top;
+        public int right;
+        public int bottom;
+
+        public static implicit operator Rect(NativeRect other) {
+            return Rect.MinMaxRect(
+                other.left,
+                other.top,
+                other.right,
+                other.bottom
+            );
+        }
+
+        public static implicit operator NativeRect(Rect other) {
+            return new NativeRect {
+                left = (int)other.xMin,
+                top = (int)other.yMin,
+                right = (int)other.xMax,
+                bottom = (int)other.yMax
+            };
+        }
+
+    }
+
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+    internal struct MonitorInfoEx {
+
+        private const int CCHDEVICENAME = 0x20;
+
+        public int size;
+        public NativeRect monitor;
+        public NativeRect work;
+        public uint flags;
+
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = CCHDEVICENAME)]
+        public string DeviceName;
+
+        public void Init() {
+            this.size = 40 + 1 * CCHDEVICENAME;
+            this.DeviceName = string.Empty;
+        }
+
+    }
+
+    [System.Serializable]
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct DevMode {
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
+        public string dmDeviceName;
+        public short dmSpecVersion;
+        public short dmDriverVersion;
+        public short dmSize;
+        public short dmDriverExtra;
+        public int dmFields;
+        public int dmPositionX;
+        public int dmPositionY;
+        public ScreenOrientation dmDisplayOrientation;
+        public int dmDisplayFixedOutput;
+        public short dmColor;
+        public short dmDuplex;
+        public short dmYResolution;
+        public short dmTTOption;
+        public short dmCollate;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
+        public string dmFormName;
+        public short dmLogPixels;
+        public int dmBitsPerPel;
+        public int dmPelsWidth;
+        public int dmPelsHeight;
+        public int dmDisplayFlags;
+        public int dmDisplayFrequency;
+        public int dmICMMethod;
+        public int dmICMIntent;
+        public int dmMediaType;
+        public int dmDitherType;
+        public int dmReserved1;
+        public int dmReserved2;
+        public int dmPanningWidth;
+        public int dmPanningHeight;
+    }
+
+    [Flags]
+    internal enum DisplayDeviceStateFlags : int {
+        /// <summary>The device is part of the desktop.</summary>
+        AttachedToDesktop = 0x1,
+        MultiDriver = 0x2,
+        /// <summary>The device is part of the desktop.</summary>
+        PrimaryDevice = 0x4,
+        /// <summary>Represents a pseudo device used to mirror application drawing for remoting or other purposes.</summary>
+        MirroringDriver = 0x8,
+        /// <summary>The device is VGA compatible.</summary>
+        VGACompatible = 0x10,
+        /// <summary>The device is removable; it cannot be the primary display.</summary>
+        Removable = 0x20,
+        /// <summary>The device has more display modes than its output devices support.</summary>
+        ModesPruned = 0x8000000,
+        Remote = 0x4000000,
+        Disconnect = 0x2000000
+    }
+
+    [System.Serializable]
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)]
+    internal struct DisplayDevice {
+        [MarshalAs(UnmanagedType.U4)]
+        public int cb;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
+        public string DeviceName;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+        public string DeviceString;
+        [MarshalAs(UnmanagedType.U4)]
+        public DisplayDeviceStateFlags StateFlags;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+        public string DeviceID;
+        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
+        public string DeviceKey;
+    }
+
+}

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Assets/Fullscreen/Editor/Windows/User32.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace FullscreenEditor.Windows {
+
+    internal static class User32 {
+
+        public delegate bool EnumMonitorsDelegate(IntPtr hMonitor, IntPtr hdcMonitor, ref NativeRect lprcMonitor, IntPtr dwData);
+
+        [DllImport("user32.dll")]
+        public static extern bool EnumDisplayMonitors(IntPtr hdc, IntPtr lprcClip, EnumMonitorsDelegate lpfnEnum, IntPtr dwData);
+
+        [DllImport("user32.dll")]
+        public static extern bool GetMonitorInfo(IntPtr hMonitor, ref MonitorInfoEx lpmi);
+
+        [DllImport("user32.dll")]
+        public static extern bool EnumDisplaySettings(string deviceName, int modeNum, ref DevMode devMode);
+
+        [DllImport("user32.dll")]
+        public static extern bool EnumDisplayDevices(string lpDevice, uint iDevNum, ref DisplayDevice lpDisplayDevice, uint dwFlags);
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetDC(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDc);
+
+        [DllImport("user32.dll", SetLastError = true)]
+        public static extern int GetSystemMetrics(int smIndex);
+
+    }
+}

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Assets/Fullscreen/FullscreenEditor.asmdef

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+{
+    "name": "FullscreenEditor",
+    "references": [],
+    "optionalUnityReferences": [],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": true,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": []
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