pmacs/builtin
Levi Neuwirth fae7ed3fd0 feat(tui): line-number gutter (UX arc sub-arc 1, TUI half)
Introduce a reserved left gutter column with absolute line numbers in the
TUI/grid frontend — the foundational piece of the UX arc (docs/ux-arc-
framing.md). Default OFF (Emacs tradition), so zero layout/coordinate
change until a window opts in.

- window.rs: LineNumberMode { Off, Absolute } + per-window `line_numbers`
  field + `gutter_width()` (digits(line_count) + PAD) + `decimal_digits`.
- editor.rs: the gutter is one viewport shift at the paint site
  (cell_origin.col += gutter_w, cell_size.cols -= gutter_w) — every
  viewport-relative painter (text, syntax, diag underline, search) stays
  gutter-agnostic. The sites that read rect.origin.col directly get a
  manual +gutter_w: cursor placement, local selection, mouse hit-test
  (a gutter click maps to line start, Q#UX6). paint_line_number_gutter
  writes right-aligned dim digits alloc-free.
- overlay_paint.rs: remote-presence cursor/selection shift by gutter_w.
- Lua: pmacs.window.set_line_numbers/line_numbers +
  window.toggle-line-numbers command.

No protocol/daemon change (frontend-local, Q#UX1). Tests: gutter render
(right-aligned digits + past-EOF blanks) + decimal_digits.

Validated: fmt clean; clippy --lib clean both flavors; 1439 lib tests pass
both flavors. Needs a human eyeball (coordinate-math change) before the PR.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014TXbAwk27agwhrNNrhLi2U
2026-07-06 13:38:38 -04:00
..
api Fix CI and Documentation issues 2026-05-04 10:19:19 -04:00
commands feat(tui): line-number gutter (UX arc sub-arc 1, TUI half) 2026-07-06 13:38:38 -04:00
hooks Initial commit: v0.1.0 2026-05-03 19:51:06 -04:00
keymaps pmacs context menu: clipboard commands/keys + LSP context accessor (Q#CM5/Q#CM6) 2026-06-27 22:03:58 -04:00
menus pmacs context menu: core clipboard + menu methods + Lua surface (Q#CM1/Q#CM3/Q#CM6) 2026-06-27 22:03:58 -04:00
packages/repl M7 tail: package system, audit lint, lockfile, resolver 2026-05-07 16:50:37 -04:00
runtime pmacs context menu: clipboard commands/keys + LSP context accessor (Q#CM5/Q#CM6) 2026-06-27 22:03:58 -04:00