New: Add 4-position hat switches to Windows HID driver

2017-07-11 11:58:04 +01:00 · 2017-07-11 11:58:04 +01:00 · ac9a1fb697
commit ac9a1fb697
parent 471dd5bf18
1 changed files with 18 additions and 0 deletions
--- a/src/OpenTK/Platform/Windows/WinRawJoystick.cs
+++ b/src/OpenTK/Platform/Windows/WinRawJoystick.cs
@ -341,6 +341,24 @@ namespace OpenTK.Platform.Windows

        HatPosition GetHatPosition(uint value, HidProtocolValueCaps caps)
        {
+            if (caps.LogicalMax == 3)
+            {
+                //4-way hat switch as per the example in Appendix C
+                //http://www.usb.org/developers/hidpage/Hut1_12v2.pdf
+                switch (value)
+                {
+                    case 0:
+                        return HatPosition.Left;
+                    case 1:
+                        return HatPosition.Up;
+                    case 2:
+                        return HatPosition.Right;
+                    case 3: 
+                        return HatPosition.Down;
+                    default:
+                        return HatPosition.Centered;
+                }
+            }
            if (caps.LogicalMax == 8)
            {
                //Hat states are represented as a plain number from 0-8