call method
Translates a TerminalKeyboardEvent into an escape sequence. If the event cannot be translated, null is returned.
Implementation
@override
String? call(TerminalKeyboardEvent event) {
if (!event.ctrl || event.shift || event.alt) {
return null;
}
final key = event.key;
if (key.index >= TerminalKey.keyA.index &&
key.index <= TerminalKey.keyZ.index) {
final input = key.index - TerminalKey.keyA.index + 1;
return String.fromCharCode(input);
}
return null;
}