mirror of
https://github.com/kuhyx/testsAndMisc.git
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Krzysztof kuhy Rudnicki
d502580e3f
Six text-free styles (gradient, flow/Voronoi, habit heatmap, shutdown clock, Earth day/night, plasma) replace the white i3 root. A 15-minute systemd user timer picks a new random style per monitor every 3 hours, unlike its previous one and the other monitor's; live styles refresh in between. Also syncs i3/config with the live config and prunes the oldest evidence artifact for the 60-file cap. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01WzxdWX51FMD58yKUC1eYWf
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
"""Compose per-monitor images into one root image and hand it to feh."""
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from __future__ import annotations
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import subprocess
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from typing import TYPE_CHECKING, cast
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from PIL import Image
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from python_pkg.wallpaper_rotator import _palette
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if TYPE_CHECKING:
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from collections.abc import Mapping, Sequence
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from pathlib import Path
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Rect = tuple[int, int, int, int]
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def layout(outputs: Sequence[Mapping[str, object]]) -> dict[str, Rect]:
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"""Map each active output from ``i3-msg -t get_outputs`` to (x, y, w, h)."""
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rects: dict[str, Rect] = {}
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for output in outputs:
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if not output.get("active"):
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continue
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rect = cast("Mapping[str, int]", output["rect"])
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rects[str(output["name"])] = (
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rect["x"],
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rect["y"],
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rect["width"],
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rect["height"],
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)
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return rects
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def compose(
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rects: Mapping[str, Rect], images: Mapping[str, Image.Image]
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) -> Image.Image:
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"""Paste each output's image at its position on one root-sized canvas."""
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width = max((x + w for x, _, w, _ in rects.values()), default=1)
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height = max((y + h for _, y, _, h in rects.values()), default=1)
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root = Image.new("RGB", (width, height), _palette.DEEP)
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for name, (x, y, _, _) in rects.items():
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if name in images:
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root.paste(images[name], (x, y))
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return root
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def apply(root: Image.Image, target: Path) -> None:
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"""Write the root image and set it as the X background with feh.
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One image spanning the whole root avoids relying on feh's Xinerama
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screen order matching i3's output names.
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"""
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target.parent.mkdir(parents=True, exist_ok=True)
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root.save(target, compress_level=1)
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subprocess.run(
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["/usr/bin/feh", "--no-fehbg", "--no-xinerama", "--bg-tile", str(target)],
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check=True,
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)
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