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the post chain's builds) takes a type's name
The naming the split agreed on: a file with fields is a type, TitleCase, as Messages.zig and Layer.zig are. Its importers bind it as ShaderBuild; comments and docs/render-pipeline.md name the new file. No behaviour changes.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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is a real refusal or says why it cannot fire
A sweep for round 23's crash: a run's answer (pty/run) was bufPrint'd into 48 bytes with catch unreachable, so a foreground program's long name (macOS gives up to 32 bytes) panicked; it now cuts at the room, keeping its newline, in 96 bytes. The rest were numbers into buffers sized for them, a braille codepoint, pthread calls on the queue's own mutex, and pdf_view's resolved outline entries: each now carries a one-line comment saying why it cannot fire.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Queue.take built its batch (queue capacity plus room, some 20 KB) and returned it by value on every wakeup, a memset and a memcpy of it though the queue was empty; it led the idle profile. drainQueue now fills a batch the Shell keeps, and an empty queue leaves it untouched.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The user, looking at the lapis showcase: "one of the animations is like a
flashing on the whole pane or something, that is really bad, just remove it".
Every changed cell glowing meant a pane whose whole text changed (a file
opened, a +Search refilled, a terminal's output) lit up at once: replacing a
pane's text took its mean brightness from 38 to 70 and back over 250 ms.
Gone like Ripple and Glitch: the builtin, the setting, its Chrome fx bit,
the GUI's diff state and decor, the test, and the docs, which keep the
user's words.
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Each host closed the running shell before it forked the new one, so an exec whose shell failed left the pane with none and later runs answered error shell gone. A shell not there is now refused up front, and every host starts the new shell first, replacing the old only once the close-on-exec pipe says it ran; a failure there is only said (restartFailed).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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cursor + faithful themes
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the new one
G3's springs now keep the cursor's place in its pane: a pane that moves in
the layout carries them, and the quad is drawn through the pane's presented
box (its transition track), so through a slide, zoom or drag the cursor
rides with the text, and with no transition it lands with it. A focus change,
to another pane or into a column's or the workspace's tag, glides from where
the cursor was drawn to the new place instead of snapping, unclamped while it
crosses. While panes move the cursor is drawn as the overlay quad instead of
vanishing (golden 18-mid-transition re-recorded for that: the only change is
the quad, gliding into the new column's tag).
Lapis: a tag plaque starts flush against its grip's button, the scroll gap
between them part of the plaque, so grip and plaque read as one piece, on
pane and column rows alike; below the button's row the grip keeps its band.
Themes without plaques are unchanged (their grip band and tag band are one
colour, no sliver).
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chain
shader_build.zig takes the Shadertoy compile out of the GUI's Post: the
process that holds the core compiles each chain file behind the prefix on a
thread, watches its directory (file_watch's new shader slots), and on a
change reads and hashes each file, compiling only one whose bytes moved. A
failed compile keeps the last good SPIR-V and is said once; the same bytes
are never compiled or reported twice. A file is read with std, not fs.zig's
readFile, whose turn hand-off a worker thread does not hold.
A detached session compiles for its frontends and sends them the chain
(wire post: each pass's scene and level or the file's SPIR-V, and
ShaderAnimation) on attach and on every change, so an attached GUI runs the
same passes, levels and animation as a local one while still reading no disk
and running no program. The attached GUI describes its frames to the chain
from the session's chrome and redraws an animating chain on its own.
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A column's plaque now starts at its grip's end, where the pane plaque under
it starts, and every plaque in a column ends at the same x, far enough short
of the next column's rule that no shadow meets it. Where tag bands meet (the
workspace's over the columns', a column's over its first pane's), the upper
box runs down to the ruled edge with no shadow down, and the lower box lays
its top frame over that edge, so there is one line between them, not two
frames and a gap.
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Afterglow on|off (off, a pixel shell's; Chrome.fx bit 4): the GUI keeps
the grid it last drew and when each cell changed; a body cell whose text
changed glows in the theme's accent, at most 18% and under the text's
contrast floor, fading with an ease-out over 250 ms, one flat rectangle a
run of cells that changed together; never a tag or a grip, the cursor or a
selection; a scrolled body (its first line moved) starts over rather than
lighting up whole. On the continuous path while anything glows.
Tests: three changed cells glow as a run of two (the cursor's left out),
gone by 250 ms, a scroll lights nothing. Gates as before; goldens
byte-identical. Feel review: .scratch/render/afterglow/.
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Parallax on|off (off, a pixel shell's; Chrome.fx bit 3). A body region
carries its first line (Region.line, a file's scroll or a terminal's grid
offset; the wire's region record grows a u32). The GUI offsets each
body's page dots by a quarter of its line in rows, and of G6's glide
offset while one runs, so the pattern drifts with the text and settles
with it; the cell shader reads it from the instance's serial slot, whose
per-cell dissolve noise G7 left unused (the dead noise code goes).
Tests: a scrolled body tells its line; the shift handed to the shader is
a quarter of it within the dots' period. Measured in a capture: four lines
move the dots 13 px (140 px / 4 mod 22). Gates as before, goldens
byte-identical. Feel review: .scratch/render/parallax/.
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test/gui_golden.py hashed a scene once two captures 400 ms apart agreed;
on a loaded machine a slow frame agreed with itself before the scene's
change landed and every later hash moved up a scene. A test window now
writes a status file into its capture directory each loop step (gui.zig
writeTestStatus: step, frames captured, idle — nothing owes a frame,
nothing moves, nothing waits on the core's clock), and the harness waits
for an idle step two past the one current when it asks: a 9P write has
been served by then, so the frame is the scene's. Two things kept a
window from ever going idle, both fixed:
- Look-hover re-armed forever: resting on a word with nothing to open, the
hover wait ran its two frames, found nothing, cancelled, and the next
present's pointer refresh started it again: a frame every other frame
for as long as the pointer rested there, live too (CPU). The place last
refused is remembered (Pardes.look_hover_refused) until the pointer
moves off it.
- The virtual clock moved only on a wait that timed out, so a steady
trickle of events held it still; it now moves to the core's wake too
when an event cut the wait short and nothing owes a frame.
Captures go to a directory of their own, outside the session's (a file
written there every frame is a change in the directory its panes look
at). All 17 goldens match the file as recorded at oooopqyv; eight runs,
five alongside a ReleaseFast build and three with all 16 cores saturated
(load 13-19), were byte-identical, 14 s a run unloaded (was ~30).
Tests: the resting pointer lets the core go idle.
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Occlusion on|off (off, a pixel shell's; Chrome.fx bit 2 — the glow bits
field is now `fx`): four soft strips cast from just outside each pane body
inward, clipped to the body and round a cursor, black pre-warped to
linear light, 2% at most (§9.1) and under the lift's contrast ceiling,
in the pane's own group.
Tests: the shade stays inside the body, off the cursor, at most 2%.
Gates as G11. Feel review: .scratch/render/occlusion/ (with an x40 diff).
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HoverGlow on|off (off, a pixel shell's; Chrome.glows bit 1, SelectionGlow
bit 0 now that there are two): under the word a look-hover would open (its
cells in the affordance's tint) a strip three logical pixels tall along
its foot, blurred by one, in the theme's accent, at most 22% and under
the text's contrast floor, fading in over 80 ms; kept to the bodies and
split round a cursor. glowBlocks serves G9 and G11. The strip is cast from
a row away so addSoft's caster cut-out misses it.
Tests: the glow comes up by 90 ms and never falls on the cursor's cell.
Gates as G10 (a loaded machine shifted the GUI goldens a scene once; a
rerun matched 01-08). Feel review: .scratch/render/hover/.
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started answers runs
The host could not start the shell (its chdir failed), and the pane stayed
with no pty: a run written to it waited for a prompt for ever. Tty now
refuses a directory that is not there, `Tty: <dir>: no such directory`,
before making a pane; and a terminal whose shell the host could not start
(Pardes.shellFailed, from each host's spawn) answers any run with
`error shell gone`.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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SelectionGlow on|off (off; a pixel shell's, Chrome.selection_glow): each
block of selected rows in a pane body casts Lift's soft kind in the
selection's own colour, the block its caster (never touched) and a cursor
beside it joined to the caster; clipped to the bodies (never a tag or a
grip); at most 22% (§8.2), less where the text round it would drop below
min(its contrast, 4.5); fading in over 100 ms with an ease-out, on the
core's continuous path (shell_continuous); none while panes move. Blocks
come from the cells in the theme's selection colour (documented).
Tests: the halo's colour, its clip to the body, nothing at its first frame
and up to its cap after 100 ms, fading done. Gates as G8. Feel review:
.scratch/render/selection/.
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dissolve crossfades
- Track.launch: a move retargeted mid-way (Presentation.sync) starts at
the old move's speed along the new one's longest side (carriedLaunch,
Motion.easeFrom/speedFrom), so a second change during a slide bends the
motion instead of stopping it dead. The macOS track ABI grows the float
(pardes.h, 48 bytes; its reserved byte is named motion, as in Zig).
- A pane that slides, zooms or rises casts Lift's soft shadow at
sin(pi x progress) of its strength, on the other panes' bodies and
rails alone, under the same contrast ceiling, carried by its track.
- The GUI's PanelDissolve is a crossfade: the new cell drawn first, the
old one over it at 1 - progress, premultiplied, on the blending cell
pipeline for such groups (new cells now emitted before old ones, as the
old layers already came after the new). sRGB blend, not linear light
(documented). The tty keeps its per-cell swap.
Presentation.zig's and animation.zig's tests were not in any test root;
pardes.zig's test block now takes them in.
Tests: a retargeted move carries its speed and still lands exactly; a
moving pane's shadow is clipped off every tag, grip and its own body,
none at the start or the landing, most mid-way. GUI golden 18 changes by
the shadow (frame 6 of a slide). Gates as G6. Feel review:
.scratch/render/transitions/.
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A mouse wheel's notch (SDL's whole-number step, notchOf) scrolls the core
by its lines at once, so keys and clicks act where the text is, and the
picture follows on the Motion flavour's spring at half again its pace,
critically damped whatever the flavour (text never passes its mark),
carried from its current speed (animation.Spring.carry), so notches in a
row flow on. How far the rows moved is measured on the next frame against
the last (Glide.measure: a wrapped line's rows, a terminal's output, with a
couple of rows' slack for the cursor's line and its number); the rows that
left are kept, nearest first, and drawn in the gap the lag opens; the lag
is never more than the body's height. A touchpad's fractions move the
picture under the finger as before; `Motion off` lands a notch at once;
a PDF page scrolls as before.
The glide runs on the core's continuous path: Pardes.shell_continuous
keeps frames coming every loop while it moves and carries a virtual clock
with it; idle, nothing. The test feed takes wheel events
(ESC]777;mouse;wheel;<amount>;<x>;<y>BEL).
Tests: notch vs fraction; a carried spring keeps its speed and never
passes its mark; a notch over two-row lines lags two rows, keeps the rows
that left, settles frame by frame and leaves the continuous path, and
lands at once with Motion off. Gates as G5. Feel review:
.scratch/render/scroll/glide-{smooth,crisp,bouncy,off}{,-quarter}.mp4 and
strips (a notch down, three, then two up).
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A native theme `lapis` (src/themes/lapis.zig) from web/theme/lapis.css:
a lapis-deep page, lapis tags with gold names, vellum text, vermilion
rubrics, gold rules and a vermilion tag rule, gold selection in lapis ink.
Its ornament is the theme's new `decor` (colors.Decor), drawn by a pixel
shell inside the chrome it already has (decision 1), all of it off every
focus indicator:
- page_dots: the site's gold dot grid (#e8c46a22, 22 px), drawn by the
cell shader on page-coloured cells alone (flag 0x10000000), so it lies
under the text and never under a selection, a tag or the cursor; fixed
to the window, a page the panes lie on.
- rail_checker: the dither frame's gold and lapis checker in the scroll
track (a decor kind, flag 0x08000000), anchored to its rail; the thumb
stays solid gold.
- tag plaques (tag_border, tag_shadow, tag_stripe): every tag a raised
plaque inside its own band, the site's trail: a 2px gold frame and a
hard 5px vermilion shadow down and right, both within the band's rows
and columns (down, what the slack under the text leaves), so no shadow
reaches a body, a grip or the next pane. The focused pane's plaque is
the code window's title bar, gold and lapis stripes of 2px, its words
on plates of the focused ground; unfocused ones are plain; column and
workspace tags take the object-label language (1px frame, 2px shadow
toward the page). Drawn as decor under the cells (a group's under
range), with blank tag cells see-through and the cells blended
premultiplied (pipeline_over) on such frames; opaque windows only.
- title_shadow: the titles' vermilion offset shadow under a file name's
letters, sampled in the cell shader inside the letters' own cells (flag
0x08000000), none on a cursor.
Chrome carries the decor (decor_*, name_ink, active_name_ink); a theme
file folds a nested decor literal field by field. Left out, with why, in
docs/effects.md: the fonts, the ornaments, a decor crossfade, and in the
tty anything but the colours (a tag row has no spare cell for a shadow).
An empty column is the page. The effect id is masked to 27 bits (ui.vert/ui.frag) for the
fifth flag.
Tests: the cell flags land only on page ground and file-name cells, never
a cursor, nothing without decor; lapis's plaques stay inside their tag's
band, clear of every grip, only the focused one striped; its checker is in
the track; no other theme draws any; the separator and focus
tests cover lapis. Goldens: theme and themesel (the ring gains lapis after
acme). Gates as G4. Feel review: .scratch/render/lapis/ (lapis.png, lapis-2x.png,
tags-focused-vs-unfocused-2x.png, a PanelSlide at 60 fps and a quarter).
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Three bundled Shadertoy passes beside Crt, each `Bloom|Vignette|Grain
0..3` (off by default, nothing drawn while off), in shaders/post/:
- Bloom: what is brighter than the page (a channel's linear peak over
0.75/0.7/0.6 and over the page's own + 0.15, so a light page does not
bloom) glows, 2/3.5/5% (§8.2's budget). The glow is a dual Kawase blur
in RGBA16F textures at half size and down, 3/4/5 steps by level
(shaders/bloom-down, bloom-up; Post.bloomChain), composited in linear
light and dithered.
- Vignette: round, from halfway to a corner, 10/18/28% at the far corners,
in linear light, dithered.
- Grain: a still, triangular-spread grain of 1.5/3/5 of 255 on
page-coloured pixels only, a logical pixel big; still, so it asks for no
frames.
Focus rule: the shell passes every bundled pass the rectangles of the tags
with their grips, the column and workspace tags, the notices and the
cursor (pardesSpare, at most 32, neighbours on one row merged), and a
bundled pass leaves them as they are; and a per-theme ceiling (pardesCap,
Post.capsOf) keeps the page's text and the selection's text at min(their
contrast, 4.5) under each pass at its strongest. User files get no
ceiling and no spared rectangles.
Fix found on the way: SDL GPU binds at most 4 KiB of a uniform block, so
every Shadertoy colour after iPalette (iBackgroundColor, iForegroundColor,
the cursor and selection colours, iPalette[>=4]) read zero. The prefix's
block is cut in three (Globals, Palette, Colors) with ghostty's names and
order, each pushed as a slice of the one struct; pardes's own block moves
to binding 3.
Tests: the caps hold over every native theme; each uniform slice fits
4 KiB; the prefix's members in ghostty's order across its blocks.
Gates: tty/gui unit-test and core-test pass; snap fails only
nested-optout; GUI goldens 01-08 byte-identical (09-18 wait on
wkzlsqvy, as in somtrmsz); web builds. Feel review material:
.scratch/render/{bloom,vignette,grain}/ (levels on forge, dusk, acme,
crops, a levels mp4).
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separators and focus tints
Density: dp() in gui.zig draws every size given in pixels in logical
pixels (SDL's window display scale, rounded, at least one), as acme scales
Border, ButtonBorder and Scrollgap: the rules (rule_px), the tag rule, the
grip's ring, its dirty gap and mode bars, the rail's gap to the text and
its minimum, the thumb's inset, the rim, a bar cursor's minimum width,
underline and strikethrough thickness (the atlas is dropped on a scale
change), the rule-grab margin, and the Crt's scanline and mask periods
(pardesScale in the post prefix). Cell- and tagline-measured sizes stay:
the rail's width, Lift's blur and offsets, every motion; iResolution,
fragCoord and iMouse stay in the display's pixels, as ghostty's.
PARDES_TEST_SCALE forces a density in a harness (a test window is 1x
otherwise, whatever display it lands on) and sizes the test font with it.
Colours: a separator that stands off its page by less than 1.5:1 is lifted
toward the text to 1.6:1 (helix, atelier, paper; a theme with no page,
dark, is judged against #121212), and empty_col follows it. forge's own
rule already stands at 3.83:1; what hid it was density: 2 device pixels
on a 3x screen, now 6 (dp). A focused tag's tint closer than 1.5:1 to the
plain tag on a dark page (1.25:1 on a light one) is pushed further the way
it leans, as far as its text keeps its own contrast or 4.5: forge
1.23 -> 1.51 (#2d3440 -> #374253), and likewise dusk, orchard, ink,
lagoon, clay, harvest, spectrum, solarium, forge_soft; daybreak, atelier,
paper to 1.25. dark and helix gain a tint of their own (dark: #484566
under #c8c8c8, 1.54:1; helix: ramp 237 under 250, 1.65:1).
Tag caret: past a full row's end, the G3 glide box sits on the tag's right
edge, where the layer's caret and the pixel shell's are.
Tests: every native theme's separator >= 1.5 and every dark one has a
tint >= 1.25 with readable text; forge keeps its own border; the tag caret
glide box at a full row; at 2x the spine, tag rule, ring, rail start and
gap, and bar cursor double. Legacy-ThemeFile test strips helix's new pair.
Goldens: snapshot goldens change in colour rows only, the tints (orchard
#283a2f -> #314738 at boot, forge, helix and dark in theme/themesel).
GUI goldens: the harness's single Del of the renamed wide pane is refused
since ysqnkyoy (a rename counted as unsaved; fixed on the 9P line in
wkzlsqvy), so scenes 09-17 were recorded with that pane open and the file
was stale since the merge (08 and 18 also moved with ykvnltvs's full-row
tag wrap). The goldens here were recorded with that pane closed (as
wkzlsqvy will close it); against the parent's binary under the same
conditions they differ only in the tints: 01-13 forge's (#2d3440 ->
#374253, and the glyph edges on it), 14 ink's; 15-18 are byte-identical.
Until wkzlsqvy is merged, a run here fails 09-17. Each commit reproduces its own
recorded goldens on this machine (checked at kvtmqkyn). A test window is
1x unless PARDES_TEST_SCALE says otherwise, whatever display it opens on.
Prebuilt shaders refreshed from their sources.
Captures: .scratch/render/dark-borders/{before,after,compare,scale2,scale3}.
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busy said only that something ran. Where the host can tell (Linux, the
tty's foreground group's /proc comm, a new fg_name host call), it says
busy: <program> is running; elsewhere, busy as before. The GUI's host
gains the one small callback (render agent's file: gui.zig, fgName).
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The core owns the motion, as Lift: animation.CursorGlide keeps the focused
cursor's four corners on springs (leading corners at the flavour's pace x2.4,
trailing ones x follow, so a jump smears and collapses; a long jump bows by
the flavour's arc), sampled at each frame's own time. A step of a cell or
less, insert mode, a focus change and any scroll (a file's view, a
terminal's output) land at once; a snap lands a glide under way too. The
quad is clamped to the focused pane when drawn (never its springs). Chrome
carries it on the wire (cursor_glide: bit 1 a cursor, bit 0 gliding;
cursor_alpha; cursor_quad, grid cells; cursor_idle_ms): the GUI draws the
quad as an overlay in the cursor's colour, at 85% (70% on the long
flavours) rising to solid as it lands, and hides the cells' cursors while it
does: one or the other every frame. Only the focused cursor glides.
Blink (CursorBlink, on by default in pixel shells) is the shell's: from
cursor_idle_ms and when the frame arrived, solid while typing and 500 ms
after, 530 ms halves with 80 ms eased edges, solid after 10 s idle, and
never while the window is unfocused or minimized or on a virtual clock. An
edge redraws the last frame with no core render (level B, blink_redraws);
an attached GUI blinks from the same field without a frame per edge.
Tests: snaps a cell, glides a jump with smear and bow, arrives under a pixel
by 150 ms on smooth and lands exactly, shifts with a scroll; blink holds,
eases, stops; the core glides a jump (ge) frame by frame (gliding exactly
while it moves, alpha rising, exact at rest), snaps a step (j) and a switch
to insert mid-glide; a terminal's scrolling output lands its cursor; wire
round-trip of the cursor record.
Shared files: src/animation.zig, src/pardes.zig, src/config.zig (toggle
CursorBlink), src/surface.zig, src/detached/wire.zig.
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A press on a pane's last row began a seam drag, so the row could not be
clicked or swept like the rest of the text (rsearch dragged the handle out
of the way first). Now no row of text is a handle: in the GUI a press on
the 2 px rule between two panes drags their seam, and anywhere the grip
does, as acme's button moves a window -- dragged up or down its own column
it moves the pane's top, either pane down to its tag alone (acme's
coldragwin), dragged down inside itself too. The hover hint over a last row
is gone; column edges resize as they did. Scripts that dragged a seam drag
a grip instead and match their goldens; six goldens lost the hint or moved a
cursor to the clicked text, re-recorded by name.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A Dump into a DumpDir it could not write, or a Restore of a file that is
not a dump, answered a ctl write with rc 0 and only a message, and the
Restore warned about unsaved panes before it ever looked at the file. The
hosts' dump write now fails the waiting 9P write with EIO (the late failure
a Save uses), naming the path and the reason in the log, and Restore parses
the file before its unsaved-panes refusal, failing with `not a pardes
dump`.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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The flavours looked alike because Lift, the only motion that read them,
moves a shadow a few pixels: overshoot and wind-up were sub-pixel. By design
now: crisp leaves at full speed and never passes its mark; smooth (the
default) eases in and out in twice crisp's time, a slide arriving in 208 ms
(inside §8.1's 220); bouncy passes its mark by ~30% and settles twice;
playful winds up, passes by ~40%, and stretches and squashes, text included
(the user's choice). Small motions are exaggerated by the flavour's gain.
Motion gains launch, gain, span and norm, and ease(u)/speed(u) for moves of
fixed length. The notice drop follows ease() over its fall (alpha never
behind its position) and stays inside its pane's body past its row. Panel
tracks carry the flavour in Track.motion (the old padding byte; macOS header
name follows); opening and moving slides, zooms and rises follow it over
span x their frames; landed, a pane is exactly its target; closing keeps
its own exit. A pane past its mark never takes a neighbour's click; a
rising one stays in its box.
Tests: each flavour's lift trajectory distinct; flavour character; exact
landing bit for bit; a stretched pane's drawn cells map back; the overshoot
hit rule; the vertical clip at peak; legacy tests pinned to crisp. GUI
golden 18-mid-transition changes (the retuned smooth slide at frame 6).
Shared files: src/animation.zig, src/Presentation.zig, src/Messages.zig,
src/macos.zig, src/config.zig, src/pardes.zig tests, src/ninep/screen.zig
test, docs/effects.md, docs/config.md.
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rules
acme takes plan9port's own colours (acme.c iconinit, draw.h): selections
#eeee9e in the body and #9eeeee in the tag, black ink; exec and look sweeps
#aa0000 and #006600, white ink; a #99994c scrollbar under a #ffffea thumb;
black rules; a #8888cc tag/body rule and column button.
Every theme: the grip is acme's button, its tag row's full height, in one
scroll column with the scrollbar (rail_px, 12 at a 17px tagline, scaled,
times GripWidth, a percent, default 150; same x0/x1 to the pixel):
focused clean = solid box; focused dirty = box_dirty filled to a box ring
(acme's modbutton); unfocused clean = a box_border ring round the tag's
ground; unfocused dirty = box_dirty a pixel inside that ring. The grid, which
has no ring, marks dirty with a bold * on box_dirty in the grip's second cell
and fills an unfocused grip halfway to its ring. Regions carry a dirty flag.
Column buttons are the same shape, solid. 2px rules between columns and
stacked panes (inside the tag band's slack), none at the window edge; a 1px
tag/body rule halfway between tag and page.
Theme data: tag_sel_bg, sweep_bg/fg, tag_rule, rule_px, rail_px, box_border,
box_dirty. Chrome: rule_px, tag_rule, rail_px, grip_border, grip_focus_ring;
a comptime guard on Chrome's layout forces a wire bump once v8 ships.
Structural rules are exempt from the focus-indicator rule (docs/effects.md).
Tests: acme widths; stacked rule in the slack at two tagline sizes; every
grip-column pixel is band, button, ring or rule, and the button shares the
scrollbar's x0/x1 (4 metrics x top/bottom x focus x dirty); the four grip
states distinct in every native theme with a non-colour dirty cue in the
grid; wire round-trip of the new fields.
Shared files: src/colors.zig, src/surface.zig, src/body_layer.zig,
src/tagline.zig, src/detached/wire.zig, docs/themes.md, docs/config.md,
docs/effects.md, 21 snapshot goldens (the grip cells only),
test/gui-goldens.txt.
Motion flavours differ by design, and drive notice drops and pane moves
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recedes the other panes (InactiveDim)
Motion off|crisp|smooth|bouncy|playful is one parameter set (animation.Motion)
every fx animation reads. One focus spring per pane drives both the lift and
the dim, at the flavour's pace; a grid snaps.
Lift drops glow and surface. A shadow falls on pane bodies and rails only,
capped so text and the selection keep min(contrast, 4.5); rim is a hairline
along the focused tag's top. auto is a shadow on a light page; on a dark page
the core recedes the unfocused panes' text (InactiveDim, ported from 2e4d97f,
default 30 under auto) with the same floor. Tests: focused text contrast is
never below unfocused in any style, dim or theme; the focused pane's cells and
tag are untouched by a dim.
Shared files: src/config.zig, src/builtins.zig, src/ninep/ctl.zig,
src/surface.zig, src/detached/wire.zig, docs/config.md,
test/snapshots/builtins.snap (one more wheel for the longer help).
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The user wants Lift to read on dark themes, where a shadow has nothing to
darken. `Lift shadow|surface|rim|glow|auto` (`on` is auto, bare flips
auto and off): surface lightens the lifted part's ground about 5.5%
(Material-dark), rim is a thin soft light off its top and left edges,
glow a faint halo in the theme's accent (Chrome.accent, the focused box
colour), auto a shadow on a light page and surface with half a rim on a
dark one (by the page's luminance). Rim and glow are the soft kernel in a
light colour (no pre-warp: coloured light is laid on as is, within §8.2's
budget); each style is capped per theme so text keeps min(its contrast,
4.5) (tests: darkening and lightening over the native themes). The style
travels in the palette (Chrome.lift_style, one byte on the wire). Config
reports and ctl reads `Lift <style>`.
Shared files touched: config.zig, builtins.zig, ninep/ctl.zig,
detached/wire.zig (palette byte), gui.zig. Not touched: pardes.zig,
Messages.zig, mouse.zig.
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Review (and the coordinator): Lift stepped with the core's 16 ms ticks, so
a 144 Hz display held each shadow for 2-3 refreshes. The lift springs are
now sampled at each frame's own time (p.now_ns), and Pardes.continuous()
reports a render-time animation in motion: while it is, the pump draws
every loop (a 1 ms wait takes only the input there is) and the present's
vsync paces it at the display's rate. They left nextWake; the stepped,
frame-indexed animations (transitions, message fades, the theme fade) and
every golden are unchanged. With PARDES_TEST_CLOCK, each loop of a moving
render-time animation moves the virtual clock by a display frame at
PARDES_TEST_HZ (default 60), so a 144 Hz series is deterministic: a focus
switch is 51 distinct frames at 144 Hz. Test: renders 6.9 ms apart give
rising lifts; settled, no frames. The tty never lifts (GUI capability).
Shared files touched: pardes.zig (continuous, pump), gui.zig.
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`Lift` (a GUI toggle, capability lift) lifts the focused pane on a
critically damped spring (animation.Spring: closed form, about 240 ms to
settle, velocity kept across retargets, settled = no frames) and floats
notices. The core puts the lift on the regions (Region.lift, on the wire);
the GUI casts from it: a soft shadow is decor, an erf rectangle on one
quad grown by 3 sigma (decor.frag, flag 0x10000000), in the quad's own
space so a track's transform carries it; darken-only, the caster's rect
left alone, alpha pre-warped for linear light and IGN-dithered. Cast last
in its group, so a neighbour's rails and rules darken with its text; a
notice's before its rule. Strength is capped per theme so text over the
darkest shadow keeps min(its contrast, 4.5) (test over the native themes).
Opt-in until the focus lift/dim default is decided. Feel review material:
docs/effects.md. Test-mode PARDES_TEST_SERIES keeps every captured frame.
Shared files touched: pardes.zig (two fields, one nextWake line),
detached/wire.zig (lift on the region), config.zig, builtins.zig
(capability), gui.zig. Not touched: Messages.zig, mouse.zig, tty,
host_io.
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makenewwindow puts them
Newcol makes an empty column; closing a column's last pane leaves it empty with
the keyboard on its tag; Delcol and Joincol alone take a column away; the
session's last pane closing quits. The +New stand-in and replaceStillborn /
stillborn_joiner are gone. Every new pane goes through exec.placeNew, which
follows acme's makenewwindow (active column, empty column whole, blank space,
halving the biggest) or, with Placement pardes, the old rules. ColumnTags is
gone: column tags are always shown. A grip drag shows acme's box cursor.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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With the line run under job control (the change before), the job running
has a group of its own, and Kill's SIGTERM to the tty's foreground group
stopped only that job: of `sleep 30; touch x` the touch still ran. For a
command pane the hosts now signal the shell's group as well, so the whole
line stops, as it did; a line typed at a prompt still loses only its
foreground job. The test forks a real pty for both halves: a background job
outliving its command and the pty's hangup, and a killed line not running on.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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A dogfood agent ran `exit 3` through pty/run: the reader got ENOENT, and
the log went straight to del. The hosts now read a shell's exit status at
its pty's end as they do a command's; a run waiting on the line answers
`exit 3` with what it printed, the log says `exit <serial> 3` before
the pane's `del`, and an open run still stats after its pane is gone
(cat fstats its input). Pins cloud9 f35b7ed, whose stat of an open fid names
its open. Writes to a gone pane's pty/data, held open or not, fail ENOENT.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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acme's frame wraps a tag at its right edge and the window grows to show
every row (wind.c wintaglines); Tagup/Tagdown shrink it to one row and back.
Pane tags used to be one row, scrolled sideways to the caret. Now a tag's
lines wrap at its width (one cell kept for the caret past a full row) and it
starts expanded; insert-mode Up on the first row collapses it, Down on the
last row expands it, and Alt-Up/Alt-Down do so in either mode. A word the
wrap breaks across rows is still one word to a click and a selection.
Column and workspace tags keep scrolling sideways.
Tests read body rows relative to the body's first row; the 41 snapshot
goldens that moved were re-recorded by name after a programmatic check that
each differs only by body rows shifting under the taller tags, and twelve
scripts whose clicks targeted fixed rows now click the same text.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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names the path and why
The write answered ok and the pane stayed dirty, with `save: AccessDenied` on its message row: a script saw success. The failure now says `Save <path>: <why>`, and a 9P write that waited on the save fails with EIO and that text, logged as an err record.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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Stage 9 review: a user's Shadertoy file goes to glslc on its stdin, so no
source file is written anywhere (the old predictable name under
XDG_RUNTIME_DIR or /tmp was a symlink-clobber hazard). std's spawn does
all its allocation before fork and searches PATH on the stack after it,
said at the call. Level A redraws are paced by the display's refresh rate
(SDL_GetCurrentDisplayMode), not a fixed 16 ms.
Shared files touched: gui.zig.
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rewritten as Shadertoy files
Stage 9 of docs/render-pipeline.md. src/gui/Post.zig runs the chain over
the finished frame: each pass reads the one before, ping-pong textures
between, the last writes the window; an empty chain is the direct path.
The prefix (shaders/post/prefix.glsl) is ghostty's uniform block, name
for name and offset for offset (tested against a copy of its Uniforms, the
selection colours by their GLSL names), at SDL GPU's bindings, y down.
A user's file (Shader <path>) is compiled by glslc with compileGlsl's own
flags on a thread of its own, taken in at the next loop step; errors name
the file's own lines; a failed compile keeps the last good pipeline;
glslc missing is said once. The bundled passes compile with the build,
through the same prefix.
Crt, Ripple and Glitch are Shadertoy files, rewritten: no barrel (input is
identity, tested), everything in linear light and dithered, keyed to iTime.
scene_effects, crt.zig and crt.frag.glsl are gone; the core keeps no clock
for the chain. ShaderAnimation off|on|always drives redraw level A: the
chain alone over the retained frame (34 us CPU a redraw, measured).
Shared files touched: pardes.zig (nextWake loses the scene line,
disableSceneEffects empties the chain, two tests), builtins.zig (one switch
arm), ninep/ctl.zig (two switch arms), macos.zig (flags from the chain),
gui.zig. Not touched: Messages.zig, mouse.zig, detached/*, host_io, tty.
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Generalises vowtymmr (review): a pane sliding, zooming or opening over a
neighbour covers that neighbour's notice as a closing one does. Tier 4
holds notices only while nothing moves.
Shared files touched: gui.zig.
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Tier 4 draws notices over every group; while a pane closes, a notice goes
back to its own pane's group instead, so the tombstone sliding over it
covers it as it did before stage 8. Review follow-up to stage 8.
Shared files touched: gui.zig.
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Stage 8 of docs/render-pipeline.md. The frame is drawn in groups: tier 0,
one per track in paint order (tiers 2 and 3), tier 4 (notices, then guides
and the debug box), tier 5 (bar cursors), each cells, images, decor. Decor
(rules, rails, thumbs, grip marks, spines, the workspace and column rules,
the bottom band, notice rules, bar cursors) is whole-pixel rects through
the new decor.frag over ui.vert, so it carries its track's transition and
clip. A closing pane's chrome comes from Surface.previous_regions.
Deleted: taglineBaseRgb, topbarPaneBorderHeight, bottomTaglinePresent,
frameChromeBg, cellBackgroundIs and the rail inference, paneGripCell's
scan, transient_on, PaintPlan. One cover map (coverFrame) is marked from
the layers and regions once a frame. New regions column, guide and debug;
Surface.chrome is the palette, carried in wire v8 (not shipped yet), so an
attached GUI draws the same chrome (test). A per-instance clip replaces the
vertical transition's scissor.
Goldens: 01-12 byte-identical. 13-17 differ only past the grid: the image
pass left its scissor at the grid's size, cutting rule ends, rail feet and
the bottom band in the leftover pixels whenever a picture was on screen.
16-debug now shows the debug box, which a context-row layer had hidden.
18-mid-transition is new: virtual clock (PARDES_TEST_CLOCK in the GUI),
PanelSlide Newcol with the picture, frame 6 of 12.
Also: the GUI sleeps when idle instead of polling every 16 ms, and a
minimized or occluded window sleeps through animation. Tracy 'gui frame
build' at 200x60: 992/1015 us median before, 989/987 us after.
Shared files touched: pardes.zig (one export), detached/client.zig,
detached/server.zig, detached/wire.zig (all additive), gui.zig. Not touched:
Messages.zig, mouse.zig, tagline.zig, colors.zig, tty.zig, host_io.zig,
dump.zig, exec.zig, panes.zig.
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of rows; wire v8
src/Layer.zig merges TagLayer and BodyLayer. `rows` (0 = no layer) and a
cursor at {x, y}. A tag of N rows is ONE layer of N grid rows: tagHit answers
the row as `line`, bodyHit keeps its meaning, and the per-line layer bases
(TAG_LINE_LAYER_BASE, HEADER_LINE_LAYER_BASE) are gone, not aliased.
Wire v8, the one bump: tag layers carry rows and cursor y, and the frame
carries the placed region list. v7 and v9 peers are refused in both
directions (server test over both, a new frontend test over both).
web: tag_layer_value 11 = rows, 12 = cursor y; app.mjs lays every row.
macOS: the Zig side compiles against Layer; pardes.h still sees one row
per tag layer (accepted, the macOS shell is ignored for now).
No visual change: snapshot goldens and the 17 GUI goldens byte-identical.
Shared files touched: pardes.zig, Messages.zig, gui.zig, macos.zig,
detached/client.zig, detached/server.zig, detached/wire.zig (plus web.zig,
app.mjs, edit.zig, look.zig). Not touched: mouse.zig, tagline.zig,
colors.zig, tty.zig, dump.zig, exec.zig, host_io.zig, panes.zig.
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A shell now answers Host.now, its monotonic clock in ns, and the pump
advances core animation to it: one .tick per whole 16 ms frame since core
time last stood still. The same animation therefore takes the same time at
60, 120 and 144 Hz, over ssh and after a slow frame (the GUI's re-armed
clock ran them ~25% slow at 144 Hz; the tty's post-frame sleep drifted).
nextWake() lists every core animation in one place: a frame from now while
anything moves, the end of the wait while something only waits (a message
lingering, the look-hover delay), null when idle. Shells sleep exactly that
long, and a wait is jumped to its end in one step, so an 800 ms linger
costs one frame instead of fifty. An overshoot under 1.5 ms after a step is
let go: at 60 and 120 Hz every display frame takes exactly one step (a 16 ms
frame against a 16.67 ms vsync would otherwise double-step every 24th).
The six tick drivers are gone: tty's timer thread only times the wait,
interruptibly (a newer, shorter request cuts short a sleep still timing a
longer one); the GUI's
AnimationClock, web's JS tick bank (pardes_tick now takes rAF's timestamp),
the detached server's and the board's ticks; grid mode steps a virtual
clock straight to each wake. PARDES_TEST_CLOCK, set by the snapshot
harness, gives tty and the detached server the same virtual clock.
Every stepped frame is drawn. The old pump never drew the last frame of a
fade (a .tick asks for no frame, and the fade was over by the check), so a
theme switch stopped at 9/10 of the way until the next input: theme.golden,
themesel.golden and the GUI's acme-light scene move to the theme's true
colours, and nothing else changes. The frozen previous grid is captured only
while a panel transition is chosen, not on every idle frame.
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Pure moves, no behaviour change. draw.zig holds the whole core frame in
order: render, the pane, tag, header and notice painters it calls, and the
character-effect composition (Pardes.render stays a declaration alias).
Presentation.zig is the panel presentation state as a file struct, and
animation.zig the easing curves, transition kinds, tracks and boxes, the
character effects' sources and the generic displayed-value transition, all
of which lived in layout.zig. layout.zig keeps only layout.
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Registers.zig replaces the one yank buffer: every register keeps a value per
range, y fills them in document order, and p, P, R and insert Ctrl-r put
value i at range i, repeating the last (helix paste_impl). "<reg> names the
register for the next command; _ swallows, # numbers the ranges, . is each
range's text, % the file's name, / the last s/S pattern, and + and * are the
system clipboard through the ClipYank and ClipPaste paths. SPC y now writes
+ alone, as helix's does. The acme chords and a paste into a terminal take
the default register joined by newlines. The msel-yank-paste waiver is gone.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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