split wrap protocol parsing into input.button

src/device/input/wrap/wrap.go

@@ -2,13 +2,14 @@ package wrap
 
 import (
 	"context"
+	"mayhem-party/src/device/input/button"
 	"mayhem-party/src/device/input/raw"
 	"os"
 	"syscall"
 )
 
 type Wrap interface {
-	Read() []Button
+	Read() []button.Button
 	Close()
 }
 
@@ -51,19 +52,4 @@ func (e explicit) Close() {
 	e.src.Close()
 }
 
-func (e explicit) Read() []Button {
-	b := e.src.Read()
-	buttons := make([]Button, 0, len(b))
-	down := true
-	for i := range b {
-		if b[i] == '!' {
-			down = false
-		} else {
-			if b[i] != '\n' {
-				buttons = append(buttons, Button{Char: b[i], Down: down})
-			}
-			down = true
-		}
-	}
-	return buttons
-}
+func (e explicit) Read() []button.Button {