change mouse cursor when inside crop box

Program.cs

@@ -87,14 +87,14 @@ public class Transform {
 }
 
 public interface ITool {
-  ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform);
+  ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game);
   string Status();
   void Draw(UiGeometry geometry, Game game);
 }
 
 
 public class ViewTool : ITool {
-  public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform) {
+  public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game) {
     return ToolStatus.Active;
   }
 
@@ -121,13 +121,15 @@ public class CropTool : ITool {
     mouseDragEnd = new(photo.CropRectangle.Right, photo.CropRectangle.Bottom);
   }
 
-  public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform) {
+  public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game) {
     Vector2i mousePosition = (Vector2i) mouse.Position;
     Vector2i imagePosition = transform.ScreenToImage(mousePosition);
 
+    bool mouseInRectangle = photo.CropRectangle.Contains(imagePosition.X, imagePosition.Y);
     if (mouse.IsButtonPressed(MouseButton.Button1)) {
-      dragging = photo.CropRectangle.Contains(imagePosition.X, imagePosition.Y);
+      dragging = mouseInRectangle;
     }
+    game.Cursor = mouseInRectangle ? MouseCursor.Default : MouseCursor.Crosshair;
 
     if (!dragging) {
       if (mouse.IsButtonPressed(MouseButton.Button1)) {
@@ -169,10 +171,12 @@ public class CropTool : ITool {
     status = $"({r.Left}, {r.Top}, {r.Right}, {r.Bottom}) {r.Width}x{r.Height}";
 
     if (input.IsKeyPressed(Keys.Enter)) {
+      game.Cursor = MouseCursor.Default;
       return ToolStatus.Done;
     }
 
     if (input.IsKeyPressed(Keys.Escape)) {
+      game.Cursor = MouseCursor.Default;
       photo.CropRectangle = Rectangle.Empty;
       return ToolStatus.Canceled;
     }
@@ -437,8 +441,8 @@ public class Game : GameWindow {
       RenderFrequency = 30;
       UpdateFrequency = 30;
     } else {
-      RenderFrequency = 2;
-      UpdateFrequency = 2;
+      RenderFrequency = 5;
+      UpdateFrequency = 5;
     }
 
     Photo previousPhoto = photos[photoIndex];
@@ -601,7 +605,7 @@ public class Game : GameWindow {
     }
 
     // Delegate input to the active tool.
-    ToolStatus status = activeTool.HandleInput(KeyboardState, MouseState, transform);
+    ToolStatus status = activeTool.HandleInput(KeyboardState, MouseState, transform, this);
 
     // Change back to the default tool if the active tool is done.
     if (status != ToolStatus.Active) {
@@ -673,7 +677,7 @@ public class Game : GameWindow {
                            false, 5 * sizeof(float), 3 * sizeof(float));
 
     // Load photos from a directory.
-    // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\photos-test\");
+    string[] files = Directory.GetFiles(@"c:\users\colin\desktop\photos-test\");
     // string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\14\");
     // string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\23\");
     // string[] files = Directory.GetFiles(@"G:\DCIM\100EOSR6\");
@@ -681,7 +685,7 @@ public class Game : GameWindow {
     // string[] files = Directory.GetFiles(@"c:\users\colin\desktop\import");
     // string[] files = Directory.GetFiles(@"C:\Users\colin\Pictures\photos\2018\06\23");
     // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\Germany all\104D7000");
-    string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
+    // string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\many-birds\");
 
     for (int i = 0; i < files.Count(); i++) {
       string file = files[i];