moveCursorUpSelectCommand top-level property
arrow up + ctrl or cmd moves vertically down one line and selects everything between
Implementation
final CommandShortcutEvent moveCursorUpSelectCommand = CommandShortcutEvent(
key: 'move cursor up and select one line',
getDescription: () => AppFlowyEditorL10n.current.cmdMoveCursorUpSelect,
command: 'shift+arrow up',
macOSCommand: 'shift+arrow up',
handler: _moveCursorUpSelectCommandHandler,
);