tanin-icons: accent-reactive folder icon theme (replaces Papirus)
New package packaging/tanin-icons/ generating 5 thin themes Tanin-<accent> that inherit Adwaita and recolour only the folder/place ramp to the muted Fuji accent (HSL shift keeping per-stop lightness; 16px rasterised so the size-exact inherited blue PNG can't win). - style.py: _set_gsettings now also sets icon-theme=Tanin-<accent_key> so folders recolour live with the accent. - desktop.py: hide Tanin-* from the manual icon picker (accent-driven, a manual pick would be overridden on the next accent change). - panel.py: pin-add icon hint Papirus -> Adwaita. - build/finish-tanin-repo.sh: tanin-icons in OWN_SIMPLE; AUR rebuilds add librewolf-bin, arch-update, timeshift-autosnap, xdg-terminal-exec, paru. - camel.toml: icon_theme=Tanin-<accent>, icons=[adwaita], tanin-icons own package + the new rebuilt_aur entries. Deliberately excludes unrelated in-flight work (calendar/gtklock/ online-accounts/overview-backdrop) still uncommitted in the tree. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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#!/usr/bin/env python3
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"""Generate the Tanin-<accent> icon themes.
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Each theme is a THIN overlay that `Inherits=Adwaita` and recolours only the
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accent-bearing place/folder icons to a Fuji hue — everything else resolves
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straight from Adwaita, so app-icon coverage stays exactly Adwaita's.
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Recolour = HSL hue/saturation swap that KEEPS each source stop's lightness:
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the Adwaita blue ramp (#62a0ea / #438de6 / #a4caee / …) is shifted to the
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muted Fuji hue while the gradient depth (light front / dark back) is preserved.
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White emblems (music note, download arrow) are untouched — they are
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desaturated, so the saturation gate skips them.
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Runs at package build time and reads the installed Adwaita theme. Override the
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input/output dirs via ADWAITA_DIR / OUT_DIR.
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"""
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from __future__ import annotations
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import colorsys
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import os
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import re
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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# Fuji accents — keep in sync with taninux.core.theme / taninux.gui.accents.
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ACCENTS = {
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"ume": "#8f8aac", # violet
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"shinkai": "#8a98ac", # blue
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"take": "#8aac8b", # green
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"chikyu": "#aca98a", # yellow
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"beni": "#ac8a8c", # red
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}
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SRC = Path(os.environ.get("ADWAITA_DIR", "/usr/share/icons/Adwaita"))
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OUT = Path(os.environ.get("OUT_DIR", "out"))
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# Icons that semantically carry the accent (containers / locations). Anything
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# not listed here is left to Adwaita via Inherits.
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PLACES = [
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"folder", "folder-documents", "folder-download", "folder-drag-accept",
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"folder-music", "folder-pictures", "folder-publicshare", "folder-remote",
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"folder-templates", "folder-videos",
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"user-home", "user-desktop", "user-bookmarks", "network-workgroup",
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]
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MIMETYPES = ["inode-directory"] # the folder mimetype — same look as a folder
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HEX = re.compile(r"#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})\b")
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INDEX = """[Icon Theme]
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Name=Tanin-{key}
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Comment=TANINUX Fuji accent ({key}) over Adwaita
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Inherits=Adwaita,hicolor
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Directories=scalable/places,scalable/mimetypes,16x16/places
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[scalable/places]
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Context=Places
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Size=128
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MinSize=8
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MaxSize=512
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Type=Scalable
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[scalable/mimetypes]
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Context=MimeTypes
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Size=128
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MinSize=8
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MaxSize=512
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Type=Scalable
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[16x16/places]
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Context=Places
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Size=16
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Type=Fixed
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"""
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def _parse(h: str) -> tuple[float, float, float]:
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h = h.lstrip("#")
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if len(h) == 3:
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h = "".join(c * 2 for c in h)
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return tuple(int(h[i:i + 2], 16) / 255 for i in (0, 2, 4)) # type: ignore[return-value]
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def _fmt(rgb: tuple[float, float, float]) -> str:
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return "#" + "".join(f"{round(max(0.0, min(1.0, c)) * 255):02x}" for c in rgb)
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def _recolour(accent_hex: str):
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ar, ag, ab = _parse(accent_hex)
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ah, _al, a_s = colorsys.rgb_to_hls(ar, ag, ab)
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def repl(m: re.Match) -> str:
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r, g, b = _parse(m.group(0))
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h, l, s = colorsys.rgb_to_hls(r, g, b)
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# Only the Adwaita blue family: saturated + blue hue band (~194-230°).
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if s > 0.12 and 0.54 <= h <= 0.64:
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return _fmt(colorsys.hls_to_rgb(ah, l, a_s))
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return m.group(0)
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return repl
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def build_theme(key: str, accent_hex: str, rsvg: str) -> int:
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repl = _recolour(accent_hex)
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root = OUT / f"Tanin-{key}"
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root.mkdir(parents=True, exist_ok=True)
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(root / "index.theme").write_text(INDEX.format(key=key))
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n = 0
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for ctx, names in (("places", PLACES), ("mimetypes", MIMETYPES)):
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sdir = root / "scalable" / ctx
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sdir.mkdir(parents=True, exist_ok=True)
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for name in names:
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src = SRC / "scalable" / ctx / f"{name}.svg"
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if not src.exists():
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print(f" ! missing in Adwaita: scalable/{ctx}/{name}.svg", file=sys.stderr)
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continue
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(sdir / f"{name}.svg").write_text(HEX.sub(repl, src.read_text()))
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n += 1
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# 16x16 raster: size-exact, else the inherited Adwaita blue PNG wins at 16px.
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pdir = root / "16x16" / "places"
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pdir.mkdir(parents=True, exist_ok=True)
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for name in PLACES:
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svg = root / "scalable" / "places" / f"{name}.svg"
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if not svg.exists():
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continue
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subprocess.run([rsvg, "-w", "16", "-h", "16", "-o",
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str(pdir / f"{name}.png"), str(svg)], check=True)
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return n
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def main() -> int:
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if not SRC.is_dir():
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sys.exit(f"Adwaita theme not found at {SRC} (install adwaita-icon-theme)")
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rsvg = shutil.which("rsvg-convert")
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if not rsvg:
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sys.exit("rsvg-convert not found (install librsvg) — needed for 16px folders")
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# Only ever touch our own Tanin-<key> dirs — OUT may be a shared icon dir
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# (e.g. ~/.local/share/icons), never rmtree the whole thing.
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for key, hexv in ACCENTS.items():
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old = OUT / f"Tanin-{key}"
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if old.exists():
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shutil.rmtree(old)
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n = build_theme(key, hexv, rsvg)
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print(f"==> Tanin-{key:<8} {hexv} ({n} svg recoloured + 16px raster)")
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print(f"== {len(ACCENTS)} themes written to {OUT} ==")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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