connectorLine method
Builds the connector line below the header.
Implementation
String connectorLine({String? leadingGutter}) {
final glyphs = theme.glyphs;
final width = contentWidth + 2; // +2 for spacing
final prefix = leadingGutter ?? _defaultConnectorPrefix();
if (!theme.features.showBorders && leadingGutter == null) {
return ''; // No connector when borders are disabled
}
return '$prefix${glyphs.borderHorizontal * width}';
}