render method

@override void render(Buffer buffer, Rect area)

Renders the widget onto the provided buffer within the specified area.

Implementation

@override
void render(Buffer buffer, Rect area) {
  adjustScroll(area.height);

  for (var i = 0; i < area.height; i++) {
    final itemIdx = scrollOffset + i;
    if (itemIdx >= items.length) break;

    final isSelected = itemIdx == selectedIndex;
    final text = items[itemIdx];
    // Pad line to fit full width in a grapheme-safe way
    final chars = text.characters;
    final padded = chars.length >= area.width
        ? chars.take(area.width).toString()
        : chars.toString() + (' ' * (area.width - chars.length));

    buffer.writeString(0, i, padded, isSelected ? selectedStyle : itemStyle);
  }
}