Implement AltGrMask support

taken from https://github.com/tinygo-org/tinygo/blob/52983794d702af7a00833ae12b0d2e7175e46017/src/machine/usb/hid/keyboard/keycode.go#L233

Co-authored-by: sago35 <[email protected]>

Author: giuseongit

keyboard.go

@@ -709,6 +709,16 @@ func (d *Device) RunMacro(no uint8) error {
 						k.Keyboard.Down(keycodes.KeyLeftShift)
 						k.Keyboard.Press(kc ^ keycodes.ShiftMask)
 						k.Keyboard.Up(keycodes.KeyLeftShift)
+					case keycodes.TypeNormal | keycodes.AltGrMask:
+						k.Keyboard.Down(keycodes.KeyRightAlt)
+						k.Keyboard.Press(kc ^ keycodes.AltGrMask)
+						k.Keyboard.Up(keycodes.KeyRightAlt)
+					case keycodes.TypeNormal | keycodes.AltGrMask | keycodes.ShiftMask:
+						k.Keyboard.Down(keycodes.KeyRightAlt)
+						k.Keyboard.Down(keycodes.KeyLeftShift)
+						k.Keyboard.Press(kc ^ keycodes.AltGrMask ^ keycodes.ShiftMask)
+						k.Keyboard.Up(keycodes.KeyRightAlt)
+						k.Keyboard.Up(keycodes.KeyLeftShift)
 					default:
 						//skip
 					}

keycodes/japanese/keycodes.go

@@ -135,6 +135,7 @@ const (
 	KeyWindows     = keycodes.TypeNormal | 0xE3
 	KeyRightCtrl   = keycodes.TypeNormal | 0xE4
 	KeyRightShift  = keycodes.TypeNormal | 0xE5
+	KeyRightAlt    = keycodes.TypeNormal | 0xE6
 )
 
 const (

keycodes/keycodes.go

@@ -47,6 +47,7 @@ const (
 	KeyWindows    = TypeNormal | 0xE3
 	KeyRightCtrl  = TypeNormal | 0xE4
 	KeyRightShift = TypeNormal | 0xE5
+	KeyRightAlt   = TypeNormal | 0xE6
 
 	KeyH         = TypeNormal | 0x0B
 	KeyBackspace = TypeNormal | 0x2A
@@ -95,6 +96,7 @@ const (
 // from machine/usb/hid/keyboard
 const (
 	ShiftMask = 0x0400
+	AltGrMask = 0x0800
 )
 
 const (