call method
Implementation
@override
String? call(TerminalKeyboardEvent event) {
if (event.type == TerminalKeyEventType.release) return null;
if (!event.state.appKeypadMode) return null;
if (event.state.ignoreKeypadWithNumLockMode) return null;
final suffix = switch (event.key) {
TerminalKey.numpad0 => 'p',
TerminalKey.numpad1 => 'q',
TerminalKey.numpad2 => 'r',
TerminalKey.numpad3 => 's',
TerminalKey.numpad4 => 't',
TerminalKey.numpad5 => 'u',
TerminalKey.numpad6 => 'v',
TerminalKey.numpad7 => 'w',
TerminalKey.numpad8 => 'x',
TerminalKey.numpad9 => 'y',
TerminalKey.numpadDecimal => 'n',
TerminalKey.numpadDivide => 'o',
TerminalKey.numpadMultiply => 'j',
TerminalKey.numpadSubtract => 'm',
TerminalKey.numpadAdd => 'k',
TerminalKey.numpadEnter => 'M',
_ => null,
};
if (suffix == null) return null;
return '\x1bO$suffix';
}