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# Changelog
## 0.0.1
- Pane taglines sit where they do in the SDL window. The macOS shell had its own
copy of the band geometry and it only ever centred the shorter band in its
body-sized row, which is the exact case `gui_topbar_pane_border_px` exists to
prevent: the topbar's unused half-band and the first pane tag's unused
half-band meet, and the window background shows through the seam — 4 physical
pixels at the default 82%, 10 at 50%, 14 at 30% on a 20-pixel cell, so it grew
as the tagline face shrank. The rule moved into the core and both pixel hosts
now call it: row zero bottom-aligned, the first pane-tag row top-aligned, the
two joined by the themed rule, rows between centred, and a `Tagbottom` band on
the last row flush with the window edge with the sub-cell strip beneath it
painted in the band's own colour instead of the page's.
- Files reload themselves on macOS. The tty shell, the SDL window and the
detached daemon all watched with `inotify` and therefore watched nothing off
Linux: an edit made outside pardes never reached the pane, and a PDF replaced
on disk kept rendering the old inode. They now share one mark/reconcile
transaction over two kernels — `inotify`, or a `kqueue` whose queue the hosts
wait on and poll exactly as they did the old descriptor. A macOS mark is two
filters, because a kqueue directory filter reports its entries changing and
never a write to a file already inside it: the parent follows rename-over
saves, the file catches in-place writes, and the file filter is re-armed once
a rename-over has moved the inode. That is the same pair the AppKit host's
DispatchSources already used for the same reason.
- Snapshot captures are deltas against the previous capture in the same script,
and a scripted click may name a word (`press middle @Del 2`, `@Del#2` for the
second pane on a row, `@Save-2` for a column beside one) instead of a screen
column. Adding one builtin word to a tagline used to rewrite 78 goldens
(3,758 lines) and silently move seven scripts onto the wrong word: `tutor.snap`
had been clicking `Grep` and asserting a tutor pane, `tagbottomimage.snap`
clicked 176 columns from the `Del` it claimed to execute. Seven tests regained
their subject, the corpus dropped from 16,700 lines to 5,722, and the same
edit now moves 337 lines.
- `zig build snap -- --update` regenerates in parallel at the widest probe
settings and then verifies every golden it just wrote, instead of capturing
once, serially, and blessing whatever it saw: 77s to 41s, and a capture that
does not reproduce is reported rather than committed.
- `zig build unit-test -Dtest-filter=<substring>` runs one test. The whole
binary is 14s, so a one-line change used to cost the full run; the test
runner's own `--test-filter` was silently dropped by the build.
- A snapshot script covers the `Save` prompt for the first time: armed on a
`+New` scratch it draws on the message row, prefilled with the pane's own
directory, and submitting it turns the scratch into the file it names.
- `pardes --fs` serves acme's control filesystem over Linux FUSE: a directory
per pane holding `addr`, `body`, `ctl`, `data`, `errors`, `event`, `rdsel`,
`tag`, `wrsel`, `xdata`, plus `index`, `cons` and `new/` at the root. A
program that opens those files is an editor extension — no plugin API, no
interpreter. `--fs=<dir>` names the mount point instead of deriving one under
`$XDG_RUNTIME_DIR`; every pane shell gets `PARDES_FS` and `PARDES_PANE`.
See docs/acme-fs.md and examples/acmefs/.
- While a script holds a pane's `event` file open, buttons 2 and 3 in that pane
are REPORTED to it instead of performed, so the words in that pane's tag are
the script's commands (acme's extension model). Keyboard Enter/Tab still
execute, so a scripted pane stays editable.
- Writing an event record back (`origin type q0 q1`) makes pardes perform the
Look or Exec it names — the same door acme has always had, and the reason
the mount is 0700.
- Version tracking: the compiled version is embedded from build.zig.zon and shown by Changelog.
- New builtins: Changelog, Newtty, and Joincol.
- Markdown tree-sitter highlighting, including nested fenced code blocks.
- `.patch` and `.diff` files are highlighted.
- Coloring dispatch keys off the buffer title.
- Opening a new file only splits into a new column when both panes would be at least 100 columns wide.
- Terminal ANSI colors render only in tty mode; normal mode is a plain editing
view, so an edit can never shift a shell row's colour.
- `New` and `Newcol` open an empty scratch buffer instead of a shell or a
temporary file. Its directory is inherited from the pane it was opened from.
- `Save` on a scratch asks for a path, prefilled with that inherited
directory, and the buffer becomes an ordinary file once written.
- `Save` reaches every pane that holds text of its own and leads its tagline:
a terminal ("Save New Newtty Del Filter") and an output buffer like
`+Search` ("Save New Newtty Del") as well as a file. Images and PDFs keep
the plain tail — their bytes on disk already are what they are.
- `Save` takes the path as an ARGUMENT (`Save notes.txt`, or a selection
chorded onto the word) and asks for one only when it was not given, the way
Find and Grep ask for a pattern. A relative path resolves against the
pane's own directory, with `.` and `..` normalized; a path that cannot be
made absolute is refused rather than written next to the process.
- Writing to a path never rewrites the pane: a terminal stays a terminal, an
output buffer keeps its rows and its place in the n/N ring, and an open file
keeps the file it has, so `Save <elsewhere>` is a copy and not a rename.
The scratch `+New` is still the one exception, becoming the file it names.
- A dropped pane's memory outlives its frame, so a pane pointer taken during
that frame stays valid until the next one repairs it.
- The core owns the event loop. Each platform is now a `Host` of optional
function pointers; an unimplemented method falls back to an in-process
default, so a host with no methods at all is still a complete pardes.
- Ctrl-V and Ctrl-Shift-V paste in a tty pane: the default register and the
system clipboard, typed at the program the way a terminal emulator pastes
(bracketed under mode 2004). A paste arriving from the desktop reaches the
shell instead of an edit buffer the pty cannot see.
- The default filesystem is pardes's own source, embedded from an allowlist
(src/source_manifest.zig): what a host with no file method reads, and what
the browser has always read. It replaced a build-time generator that embedded
every tracked .zig file.
- `zig build run-isolated` builds and runs `pardes-isolate`: the same source
with one comptime option, whose host supplies only the terminal. The
filesystem is not disabled in it, it is absent — the libc paths compile away.
- Typst highlighting: headings, `*bold*` spans, raw/code blocks and inline raw
spans, and `#`-prefixed function calls (including the sigil itself).
- Fenced Typst raw blocks with a language tag (e.g. ```` ```zig ````) get that
language's grammar injected, the same treatment markdown fenced blocks
already had.
- Markdown bold, italics and inline code spans are highlighted: pardes now
builds the markdown inline grammar, a second parser off the same dependency,
and re-parses the block grammar's `inline` nodes with it. Only the block
grammar was built before, so emphasis had no nodes to match.
- Escape in a PDF pane is the document's own cancel: it drops the mouse
selection and the search highlight overlay and stays where you were reading.
It used to run `Last`, which moved focus out of the pane and left every
following key going somewhere else. `Shift-Esc` is now the hop out — the same
chord that leaves a raw tty.
- `gj`/`gk` move one VISUAL line, following the automatic breaks of a
soft-wrapped body and keeping the goal column inside the row. `j`/`k` are
unchanged: whole file lines. With `Wrap` off a line is one visual row and the
two pairs are the same motion.
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