Properly catch shift+tab

key.go

@@ -2,6 +2,7 @@ package tea
 
 import (
 	"errors"
+	"fmt"
 	"io"
 	"unicode/utf8"
 )
@@ -127,6 +128,7 @@ const (
 	KeyDown
 	KeyRight
 	KeyLeft
+	KeyShiftTab
 )
 
 // Mapping for control keys to friendly consts
@@ -171,6 +173,7 @@ var keyNames = map[int]string{
 	KeyDown:     "down",
 	KeyRight:    "right",
 	KeyLeft:     "left",
+	KeyShiftTab: "shift+tab",
 }
 
 // Mapping for sequences to consts
@@ -179,6 +182,7 @@ var sequences = map[string]KeyType{
 	"\x1b[B":   KeyDown,
 	"\x1b[C":   KeyRight,
 	"\x1b[D":   KeyLeft,
+	"\x1b5B5A": KeyShiftTab,
 }
 
 // ReadKey reads keypress input from a TTY and returns a string representation
@@ -192,6 +196,14 @@ func ReadKey(r io.Reader) (Key, error) {
 		return Key{}, err
 	}
 
+	// Hex representation of input sequence
+	hex := fmt.Sprintf("%x", buf[:n])
+
+	switch hex {
+	case "1b5b5a":
+		return Key{Type: KeyShiftTab}, nil
+	}
+
 	// Get rune
 	c, _ := utf8.DecodeRune(buf[:])
 	if c == utf8.RuneError {