Improve encapsulation of `ToolFormBase` props

src/BizHawk.Client.EmuHawk/tools/ToolFormBase.cs

@@ -11,17 +11,17 @@ namespace BizHawk.Client.EmuHawk
 {
 	public class ToolFormBase : FormBase, IToolForm, IDialogParent
 	{
-		public ToolManager Tools { get; set; }
+		protected ToolManager Tools { get; private set; }
 
-		public DisplayManager DisplayManager { get; set; }
+		protected DisplayManager DisplayManager { get; private set; }
 
-		public InputManager InputManager { get; set; }
+		protected InputManager InputManager { get; private set; }
 
-		public IMainFormForTools MainForm { get; set; }
+		protected IMainFormForTools MainForm { get; private set; }
 
-		public IMovieSession MovieSession { get; set; }
+		protected IMovieSession MovieSession { get; private set; }
 
-		public IGameInfo Game { get; set; }
+		protected IGameInfo Game { get; private set; }
 
 		public IDialogController DialogController => MainForm;
 
@@ -32,6 +32,22 @@ namespace BizHawk.Client.EmuHawk
 
 		public virtual void Restart() {}
 
+		public void SetToolFormBaseProps(
+			DisplayManager displayManager,
+			InputManager inputManager,
+			IMainFormForTools mainForm,
+			IMovieSession movieSession,
+			ToolManager toolManager,
+			IGameInfo game)
+		{
+			DisplayManager = displayManager;
+			Game = game;
+			InputManager = inputManager;
+			MainForm = mainForm;
+			MovieSession = movieSession;
+			Tools = toolManager;
+		}
+
 		public virtual void UpdateValues(ToolFormUpdateType type)
 		{
 			switch (type)

src/BizHawk.Client.EmuHawk/tools/ToolManager.cs

@@ -88,13 +88,7 @@ namespace BizHawk.Client.EmuHawk
 
 			f.Config = _config;
 			if (!(form is ToolFormBase tool)) return;
-
-			tool.Tools = this;
-			tool.DisplayManager = _displayManager;
-			tool.InputManager = _inputManager;
-			tool.MainForm = _owner;
-			tool.MovieSession = _movieSession;
-			tool.Game = _game;
+			tool.SetToolFormBaseProps(_displayManager, _inputManager, _owner, _movieSession, this, _game);
 		}
 
 		/// <summary>