Inspector Debug Mode from code

[LittleCoyote]

Is there any way to switch inspector into debug mode from code? I’d like to be able to toggle debug mode by shortcut.

[Minchuilla]

Managed to code it together for others who find this

Put this in a normal class (no monobehaviour) and the put the script in you editor folder, you can then use Alt+D to toggle the debug/normal mode on the inspector the mouse is over

[MenuItem("Tools/Toggle Inspector Mode &d")]//Change the shortcut here
        static void ToggleInspectorDebug()
        {
            EditorWindow targetInspector = EditorWindow.mouseOverWindow; // "EditorWindow.focusedWindow" can be used instead
 
            if (targetInspector != null  && targetInspector.GetType().Name == "InspectorWindow")
            {
                Type type = Assembly.GetAssembly(typeof(UnityEditor.Editor)).GetType("UnityEditor.InspectorWindow");    //Get the type of the inspector window to find out the variable/method from
                FieldInfo field = type.GetField("m_InspectorMode", BindingFlags.NonPublic | BindingFlags.Instance);    //get the field we want to read, for the type (not our instance)
                
                InspectorMode mode = (InspectorMode)field.GetValue(targetInspector);                                    //read the value for our target inspector
                mode = (mode == InspectorMode.Normal ? InspectorMode.Debug : InspectorMode.Normal);                    //toggle the value
                //Debug.Log("New Inspector Mode: " + mode.ToString());
                
                MethodInfo method = type.GetMethod("SetMode", BindingFlags.NonPublic | BindingFlags.Instance);          //Find the method to change the mode for the type
                method.Invoke(targetInspector, new object[] {mode});                                                    //Call the function on our targetInspector, with the new mode as an object[]
            
                targetInspector.Repaint();       //refresh inspector
            }
        }

The only flaw I had was that the inspector doesnt fully repaint, leaving variables with the ‘m_’ prefix, but just scrolling refreshes the inspector and its correct.

This was helpful: Shortcut Key for 'Lock Inspector' - Unity Engine - Unity Discussions

Also see menuItem docs: Unity - Scripting API: MenuItem

Worked using version 2018.2.5f1

Extra

Heres the script I use for my editor shortcuts:

• Clearing Console, Alt+C
• Locking Editor with mouse over, Alt+E
• Change inspector mode, Alt+D

Code:

using System;
using System.Reflection;
using UnityEditor;

namespace EditorImprovements
{
    public class EditorUtilities
    {
        [MenuItem("Tools/Clear Console &c")]
        static void ClearConsole()
        {
            // This simply does "LogEntries.Clear()" the long way:
            var logEntries = Type.GetType("UnityEditor.LogEntries,UnityEditor.dll");
            var clearMethod = logEntries.GetMethod("Clear", BindingFlags.Static | BindingFlags.Public);
            clearMethod.Invoke(null,null);
        }
    
        [MenuItem("Tools/Toggle Inspector Lock (shortcut) &e")]
        static void SelectLockableInspector()
        {
            EditorWindow inspectorToBeLocked = EditorWindow.mouseOverWindow; // "EditorWindow.focusedWindow" can be used instead
 
            if (inspectorToBeLocked != null  && inspectorToBeLocked.GetType().Name == "InspectorWindow")
            {
                Type type = Assembly.GetAssembly(typeof(UnityEditor.Editor)).GetType("UnityEditor.InspectorWindow");
                PropertyInfo propertyInfo = type.GetProperty("isLocked");
                bool value = (bool)propertyInfo.GetValue(inspectorToBeLocked, null);
                propertyInfo.SetValue(inspectorToBeLocked, !value, null);
                
                inspectorToBeLocked.Repaint();
            }
        }
    
        [MenuItem("Tools/Toggle Inspector Mode &d")]//Change the shortcut here
        static void ToggleInspectorDebug()
        {
            EditorWindow targetInspector = EditorWindow.mouseOverWindow; // "EditorWindow.focusedWindow" can be used instead
 
            if (targetInspector != null  && targetInspector.GetType().Name == "InspectorWindow")
            {
                Type type = Assembly.GetAssembly(typeof(UnityEditor.Editor)).GetType("UnityEditor.InspectorWindow");    //Get the type of the inspector window to find out the variable/method from
                FieldInfo field = type.GetField("m_InspectorMode", BindingFlags.NonPublic | BindingFlags.Instance);    //get the field we want to read, for the type (not our instance)
                
                InspectorMode mode = (InspectorMode)field.GetValue(targetInspector);                                    //read the value for our target inspector
                mode = (mode == InspectorMode.Normal ? InspectorMode.Debug : InspectorMode.Normal);                    //toggle the value
                //Debug.Log("New Inspector Mode: " + mode.ToString());
                
                MethodInfo method = type.GetMethod("SetMode", BindingFlags.NonPublic | BindingFlags.Instance);          //Find the method to change the mode for the type
                method.Invoke(targetInspector, new object[] {mode});                                                    //Call the function on our targetInspector, with the new mode as an object[]
            
                targetInspector.Repaint();       //refresh inspector
            }
        }
    }
}

[Adam-Mechtley]

Unfortunately only via reflection, as the InspectorWindow class is internal. (The field of interest is InspectorWindow.m_InspectorMode)