| Commit message (Collapse) | Author | Age |
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The out-of-the-box look, rethought as one piece:
- the compiled-in palette calms down: muted blue #7aa2f7 on the same
neutral darks, with the colours that mean something kept semantic --
amber bell, red-orange dead. sl0p stays one include away as the house
style, and contrib/themes/default.kdl is the starting point written
down (theme-tour shows it).
- derived state defaults now actually follow the theme: the scrolled
wash is rebuilt from scroll_bg after the theme block (it used to bake
the compiled accent), and declaring a state -- in any file of an
include chain -- still wins. The dump writes derived states as
comments so C-a e cannot pin what is meant to keep following.
- a bell you can see: the frame blinks three times in theme's bell
colour then breathes until answered, and a soft diagonal shimmer --
the bell colour halved towards default_fg, width breathing on a sine
-- crosses the body for the same 900ms. bell_indicator false silences
all of it; states { bell { } } replaces it like any state. since
carries the clock dependency, so an idle session pays nothing.
- scrollback says where it continues: while scrolled, the viewport's
top and bottom rows melt towards an edge with content past it and
turn solid at the buffer's end. New expression variables above/below
(lines hidden past each edge, own dependency bit, cached per scroll
position), carried in shade_ctx_t -- SLOSH_SHADER_ABI 3 -> 4.
- expressions survive the dump: a program keeps its source and cb_chain
writes it back, so amount="(y % 2) * 40" no longer dumps as a number.
- headers move to include/, -Iinclude everywhere; the plugin Makefile's
SLOSH var becomes SLOSH_DIR because slosh exports SLOSH=1 into every
pane it runs, and building from inside a session read that as a path.
- comment drift culled where features outran the prose, and the
derivation boilerplate folded into derived_pass()/ctx_scroll().
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sl0p + pty was error-prone to type and the zero made it worse; slosh
(slop + sh) is one syllable, impossible to typo, and slosh.foo is ours.
Mechanical rename everywhere it appears: binary, env vars (SLOSH,
SLOSH_SESSION, SLOSH_BIN, SLOSH_CONFIG), socket dir (/tmp/slosh-<uid>,
$XDG_RUNTIME_DIR/slosh), config path (~/.config/slosh), header guards,
src/sl0ppty.h -> src/slosh.h, contrib/sl0ppty-dev -> contrib/slosh-dev,
the driving-slosh skill, docs and tests. The sl0ppi fork references and
the sl0p theme stay: one is history, the other is the brand.
The rename surfaced a latent bug in test_osc5577: the hello-reply
answer always appeared on screen twice (ECHOCTL echo plus cat -v), but
a seven-character implementation name happened to wrap the second copy
across the 60-column boundary, so counting substrings in wrapped text
found one and passed for the wrong reason. A five-character name moved
the wrap and exposed it. The loop guard itself is correct -- with echo
off before the request there is exactly one reply -- so the test now
counts on de-wrapped text and tolerates the pane's own echo.
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`hello` was answered with the verb `hello`. Any pane that echoes what it is
sent -- `cat`, `tee`, a shell with echo on, a REPL waiting for a line --
therefore answered the answer, and the session answered that. Measured
before the fix: a pane running `tee` was sent 4,303,832 bytes and 165,532
hellos in a second and a half. Afterwards, 32 bytes and one.
The fix is the rule rather than the instance: every message the session
sends *to* a program ends its verb in `-reply`, no request verb may, and
`on_osc5577` drops one on sight instead of relying on no handler happening
to exist. So this cannot come back when the next verb gets an answer --
which is the commit after this one, and how I found it.
`hello`'s reply is now `hello-reply;sl0ppty;1`. That is our own extension
to the fork's protocol, not one of the five compatible verbs, so nothing
written against sl0ppi notices. The fork's `click` goes to a program too
and keeps its name: it predates the rule and is safe for the weaker reason
that nothing answers a click.
The suite was hiding this. `emit()` builds its pane out of `cat -v`, so the
existing `hello` test had a pane trading megabytes with the session while
it asserted -- and passed, because the assertion was `in`, and the first
reply was in there along with all the rest. It now counts.
Carries `pane_touch`, two lines, unused until the next commit: a pane whose
shaders changed has to be repainted, and nothing about its cells changed to
say so.
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A pty is a pseudo-terminal, and that is what this multiplexes: the extra t
was never standing for anything. Renaming now, while the only users are the
people who typed the old name on purpose, is cheaper than renaming later.
Mechanical, but not only cosmetic. The name is also the runtime contract, so
this moves $SL0PTTY and $SL0PTTY_CONFIG, ~/.config/sl0ptty/config.kdl, the
socket directory ($XDG_RUNTIME_DIR/sl0ptty, /tmp/sl0ptty-<uid>), and the
identity string a program gets back from an OSC 5577 hello. A session left
running under the old binary keeps its old socket directory and is invisible
to the new one; there is no migration and it does not seem worth writing one.
The sl0ppi fork keeps its name: it is a different thing, and D1 still points
at it.
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The payoff milestone: sl0ppi's pi extensions work here unmodified.
printf '\033]5577;1;status;building 3/7\033\\'
printf '\033]5577;1;buttons;approve:Approve;cancel:Cancel\033\\'
╰ building 3/7 ──────────────────────[Approve]─[Cancel]─╯
libghostty-vt's UNKNOWN_SEQUENCE reports APC only, so the sequences are picked
up by a scanner (osc5577.c) reading the same bytes the terminal does — lib-vt
discards an OSC it does not know, so nothing is drawn and no pane output has
to be buffered. The scanner is a byte-at-a-time state machine, so a sequence
split across reads still lands.
Buttons are budgeted from the right before the status text gets any columns,
and each registers its hit as it is painted — the split button's rule, for the
split button's reason. A press sends the click report to that pane's stdin.
In-band purposes arrive here too, and by construction can never be declared: a
pane printing one is asking, not telling. A pane cannot relabel a purpose a
layout declared, which is now tested end to end rather than only at the API.
One real bug, found by the hostile-input tests: an over-long button id was
truncated into a *valid* one, so a pane could mint a 40-character id that
collides with the 32-character id its program already trusts. Ids are now
unescaped into a large buffer and validated at full length.
Acceptance test replays answer-picker's exact byte patterns, including
`buttons` with no payload (drop buttons, keep status) and a click report that
matches the extension's own CLICK_RE.
Four test bugs on the way, each worth remembering: printf eats %3B as a format
specifier; the driver's unescaper reads \0 as NUL so \033 became NUL+'33'; a
trailing ST inside a double-quoted shell string escapes the quote (BEL avoids
it); and readline eats a typed ESC as a meta prefix, so tests that drive a
pane must not use an interactive shell.
187 checks green (160 headless + 27 live).
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