Expose tablet OutputSize

osu.Framework/Input/Handlers/Tablet/ITabletHandler.cs

@@ -22,6 +22,18 @@ public interface ITabletHandler
         /// </summary>
         Bindable<Vector2> AreaSize { get; }
 
+        /// <summary>
+        /// The relative position of the output area in the game window.
+        /// Values range from (0,0) for top-left to (1,1) for bottom-right.
+        /// Has no effect when <see cref="OutputAreaSize"/> is (1,1).
+        /// </summary>
+        Bindable<Vector2> OutputAreaPosition { get; }
+
+        /// <summary>
+        /// Relative size of output area inside game window.
+        /// </summary>
+        Bindable<Vector2> OutputAreaSize { get; }
+
         /// <summary>
         /// Information on the currently connected tablet device. May be null if no tablet is detected.
         /// </summary>

osu.Framework/Input/Handlers/Tablet/OpenTabletDriverHandler.cs

@@ -38,6 +38,10 @@ public class OpenTabletDriverHandler : InputHandler, IAbsolutePointer, IRelative
 
         public Bindable<Vector2> AreaSize { get; } = new Bindable<Vector2>();
 
+        public Bindable<Vector2> OutputAreaPosition { get; } = new Bindable<Vector2>();
+
+        public Bindable<Vector2> OutputAreaSize { get; } = new Bindable<Vector2>(new Vector2(1f, 1f));
+
         public Bindable<float> Rotation { get; } = new Bindable<float>();
 
         public IBindable<TabletInfo?> Tablet => tablet;
@@ -58,6 +62,11 @@ public override bool Initialize(GameHost host)
             AreaSize.BindValueChanged(_ => updateTabletAndInputArea(device));
             Rotation.BindValueChanged(_ => updateTabletAndInputArea(device), true);
 
+            OutputAreaPosition.BindValueChanged(_ => updateOutputArea(host.Window));
+            OutputAreaSize.BindValueChanged(_ => updateOutputArea(host.Window));
+
+            updateOutputArea(host.Window);
+
             Enabled.BindValueChanged(enabled =>
             {
                 if (enabled.NewValue)
@@ -106,8 +115,6 @@ private void handleTabletsChanged(object? sender, IEnumerable<TabletReference> t
                 updateTabletAndInputArea(device);
                 updateOutputArea(host.Window);
             }
-            else
-                tablet.Value = null;
         }
 
         private void handleDeviceReported(object? sender, IDeviceReport report)
@@ -128,14 +135,16 @@ private void updateOutputArea(IWindow window)
             {
                 case AbsoluteOutputMode absoluteOutputMode:
                 {
-                    float outputWidth, outputHeight;
+                    Vector2 windowSize = new Vector2(window.ClientSize.Width, window.ClientSize.Height);
+                    Vector2 scaledSize = windowSize * OutputAreaSize.Value;
+                    Vector2 offset = windowSize * (OutputAreaPosition.Value - (new Vector2(0.5f))) * (Vector2.One - OutputAreaSize.Value);
+                    Vector2 position = (windowSize / 2) + offset;
 
-                    // Set output area in pixels
                     absoluteOutputMode.Output = new Area
                     {
-                        Width = outputWidth = window.ClientSize.Width,
-                        Height = outputHeight = window.ClientSize.Height,
-                        Position = new System.Numerics.Vector2(outputWidth / 2, outputHeight / 2)
+                        Width = scaledSize.X,
+                        Height = scaledSize.Y,
+                        Position = position.ToSystemNumerics()
                     };
                     break;
                 }