Merge pull request #5753 from Susko3/fix-windows-touch-feedback

Fix touch feedback breaking Direct3D 11 exclusive/optimised fullscreen

Author: frenzibyte

osu.Framework/Platform/Windows/Native/Input.cs

@@ -67,6 +67,16 @@ public static extern bool RegisterRawInputDevices(
 
         [DllImport("user32.dll", SetLastError = false)]
         public static extern long GetMessageExtraInfo();
+
+        [DllImport("user32.dll", SetLastError = true)]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern unsafe bool SetWindowFeedbackSetting(IntPtr hwnd, FeedbackType feedback, ulong flags, uint size, int* configuration);
+
+        public static unsafe void SetWindowFeedbackSetting(IntPtr hwnd, FeedbackType feedback, bool configuration)
+        {
+            int config = configuration ? 1 : 0; // mimics win32 BOOL type.
+            SetWindowFeedbackSetting(hwnd, feedback, 0, sizeof(int), &config);
+        }
     }
 
     /// <summary>
@@ -339,4 +349,19 @@ public enum HIDUsagePage : ushort
         Scale = 0x8D,
         MSR = 0x8E
     }
+
+    public enum FeedbackType
+    {
+        TouchContactVisualization = 1,
+        PenBarrelVisualization = 2,
+        PenTap = 3,
+        PenDoubleTap = 4,
+        PenPressAndHold = 5,
+        PenRightTap = 6,
+        TouchTap = 7,
+        TouchDoubleTap = 8,
+        TouchPressAndHold = 9,
+        TouchRightTap = 10,
+        GesturePressAndTap = 11,
+    }
 }

osu.Framework/Platform/Windows/WindowsWindow.cs

@@ -64,6 +64,10 @@ public override void Create()
         {
             base.Create();
 
+            // disable all pen and touch feedback as this causes issues when running "optimised" fullscreen under Direct3D11.
+            foreach (var feedbackType in Enum.GetValues<FeedbackType>())
+                Native.Input.SetWindowFeedbackSetting(WindowHandle, feedbackType, false);
+
             // enable window message events to use with `OnSDLEvent` below.
             SDL.SDL_EventState(SDL.SDL_EventType.SDL_SYSWMEVENT, SDL.SDL_ENABLE);
         }