add missing keycodes for osx gestures.

src/Avalonia.Native/AvaloniaNativeMenuExporter.cs

@@ -129,8 +129,53 @@ namespace Avalonia.Native
 
         private static Dictionary<Key, OsxUnicodeSpecialKey> osxKeys = new Dictionary<Key, OsxUnicodeSpecialKey>
         {
+            {Key.Up, OsxUnicodeSpecialKey.NSUpArrowFunctionKey },
+            {Key.Down, OsxUnicodeSpecialKey.NSDownArrowFunctionKey },
+            {Key.Left, OsxUnicodeSpecialKey.NSLeftArrowFunctionKey },
+            {Key.Right, OsxUnicodeSpecialKey.NSRightArrowFunctionKey },
             { Key.F1, OsxUnicodeSpecialKey.NSF1FunctionKey },
+            { Key.F2, OsxUnicodeSpecialKey.NSF2FunctionKey },
+            { Key.F3, OsxUnicodeSpecialKey.NSF3FunctionKey },
             { Key.F4, OsxUnicodeSpecialKey.NSF4FunctionKey },
+            { Key.F5, OsxUnicodeSpecialKey.NSF5FunctionKey },
+            { Key.F6, OsxUnicodeSpecialKey.NSF6FunctionKey },
+            { Key.F7, OsxUnicodeSpecialKey.NSF7FunctionKey },
+            { Key.F8, OsxUnicodeSpecialKey.NSF8FunctionKey },
+            { Key.F9, OsxUnicodeSpecialKey.NSF9FunctionKey },
+            { Key.F10, OsxUnicodeSpecialKey.NSF10FunctionKey },
+            { Key.F11, OsxUnicodeSpecialKey.NSF11FunctionKey },
+            { Key.F12, OsxUnicodeSpecialKey.NSF12FunctionKey },
+            { Key.F13, OsxUnicodeSpecialKey.NSF13FunctionKey },
+            { Key.F14, OsxUnicodeSpecialKey.NSF14FunctionKey },
+            { Key.F15, OsxUnicodeSpecialKey.NSF15FunctionKey },
+            { Key.F16, OsxUnicodeSpecialKey.NSF16FunctionKey },
+            { Key.F17, OsxUnicodeSpecialKey.NSF17FunctionKey },
+            { Key.F18, OsxUnicodeSpecialKey.NSF18FunctionKey },
+            { Key.F19, OsxUnicodeSpecialKey.NSF19FunctionKey },
+            { Key.F20, OsxUnicodeSpecialKey.NSF20FunctionKey },
+            { Key.F21, OsxUnicodeSpecialKey.NSF21FunctionKey },
+            { Key.F22, OsxUnicodeSpecialKey.NSF22FunctionKey },
+            { Key.F23, OsxUnicodeSpecialKey.NSF23FunctionKey },
+            { Key.F24, OsxUnicodeSpecialKey.NSF24FunctionKey },
+            { Key.Insert, OsxUnicodeSpecialKey.NSInsertFunctionKey },
+            { Key.Delete, OsxUnicodeSpecialKey.NSDeleteFunctionKey },
+            { Key.Home, OsxUnicodeSpecialKey.NSHomeFunctionKey },
+            //{ Key.Begin, OsxUnicodeSpecialKey.NSBeginFunctionKey },
+            { Key.End, OsxUnicodeSpecialKey.NSEndFunctionKey },
+            { Key.PageUp, OsxUnicodeSpecialKey.NSPageUpFunctionKey },
+            { Key.PageDown, OsxUnicodeSpecialKey.NSPageDownFunctionKey },
+            { Key.PrintScreen, OsxUnicodeSpecialKey.NSPrintScreenFunctionKey },
+            { Key.Scroll, OsxUnicodeSpecialKey.NSScrollLockFunctionKey },
+            //{ Key.SysReq, OsxUnicodeSpecialKey.NSSysReqFunctionKey },
+            //{ Key.Break, OsxUnicodeSpecialKey.NSBreakFunctionKey },
+            //{ Key.Reset, OsxUnicodeSpecialKey.NSResetFunctionKey },
+            //{ Key.Stop, OsxUnicodeSpecialKey.NSStopFunctionKey },
+            //{ Key.Menu, OsxUnicodeSpecialKey.NSMenuFunctionKey },
+            //{ Key.UserFunction, OsxUnicodeSpecialKey.NSUserFunctionKey },
+            //{ Key.SystemFunction, OsxUnicodeSpecialKey.NSSystemFunctionKey },
+            { Key.Print, OsxUnicodeSpecialKey.NSPrintFunctionKey },
+            //{ Key.ClearLine, OsxUnicodeSpecialKey.NSClearLineFunctionKey },
+            //{ Key.ClearDisplay, OsxUnicodeSpecialKey.NSClearDisplayFunctionKey },
         };
 
         public AvaloniaNativeMenuExporter(IAvnWindow nativeWindow, IAvaloniaNativeFactory factory)