Added character support

Signed-off-by: Glenn Vriesman <[email protected]>

examples/main.go

@@ -31,6 +31,7 @@ func must(keyStr string) {
 func main() {
 	fmt.Println("The show calls:")
 	show("ctrl+a")
+	show("q")
 	show("ctrl+b")
 	show("MouseLeft")
 	show("ctrl+/, tab")

keybinding.go

@@ -116,14 +116,19 @@ var supportedKeybindings = map[string]gocui.Key{
 
 // Key contains all relevant information about the key
 type Key struct {
-	Value    gocui.Key
+	Value    interface{}
 	Modifier gocui.Modifier
 	Tokens   []string
 }
 
 // Parse turns the input string into an actual Key.
 // Returns an error when something goes wrong
 func Parse(input string) (Key, error) {
+
+	if len(input) == 1 && unicode.IsLetter(rune(input[0])) {
+		return Key{rune(input[0]), gocui.ModNone, []string{input}}, nil
+	}
+
 	f := func(c rune) bool { return unicode.IsSpace(c) || c == '+' }
 	tokens := strings.FieldsFunc(input, f)
 	var normalizedTokens []string