Widgets

List

List.zig — Scrollable list with search, sort, and pagination.

Features

• Vim-style navigation — j/k or arrow keys
• Search — / to filter, Esc to clear
• Sort — s to cycle sort column
• Pagination — n/p for next/previous page
• Static limits — MAX_ITEMS=512, no dynamic allocation

Used For

• Market browser (hlz markets)
• Perps list (hlz perps)
• Spot list (hlz spot)
• Funding rates (hlz funding)
• Mid prices (hlz mids)

Chart

Chart.zig — Candlestick chart renderer using Unicode block characters.

Features

• OHLCV candles with body and wick rendering
• Auto-scaling Y-axis based on visible data range
• Multiple timeframes — 1m, 5m, 15m, 1h, 4h, 1d
• Color-coded — Green for bullish, red for bearish candles
• Zero allocations — Fixed-size candle buffer on stack

Rendering

Uses Unicode half-block characters (▀, ▄, █) for sub-cell resolution, giving 2× vertical resolution compared to character-level rendering.