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Each Hyprland/GDK connector can have its own palette and stylesheet
under $XDG_RUNTIME_DIR/bread/{palettes,themes}/. GTK apps bind a
widget-level provider so two windows in one process can follow
different wallpapers. Bump workspace version to 0.7.4 for the tag.
57 lines
2.5 KiB
Markdown
57 lines
2.5 KiB
Markdown
# bread-theme changelog
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## 0.7.4
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Per-output (per-monitor) theming. Session-global `theme.css` remains the
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fallback / focused-monitor sheet; each Hyprland/GDK connector can now have
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its own palette and stylesheet. BOS still keeps bg/surface/overlay/fg
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fixed — only color1–6 come from the wallpaper.
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On disk under `$XDG_RUNTIME_DIR/bread/` (same fallback as `shared_css_path`):
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- `palettes/<sanitized-output>.json` — accents only (round-trips through
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`from_wal_json` / a color1–6 object; never persists pywal's light bg)
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- `themes/<sanitized-output>.css` — `stylesheet()` for that palette
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New lib API:
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- `themes_dir`, `palettes_dir`, `output_css_path`, `output_palette_path`,
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`sanitize_output`
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- `load_palette_for`, `write_output_palette`, `write_output_css`,
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`write_shared_css_from`
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- `palette_from_image` (isolated `wal -i`, does not touch `~/.cache/wal`),
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`generate_output`, `palette_from_json`
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- `stylesheet_resolved` — inlines `@accent` / `@on-bg` / … to hex so GTK's
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display-global `@define-color` cannot leak the wrong monitor's accent
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GTK (`gtk` feature): `bind_window`, `bind_window_with_app_css`,
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`output_for_widget`, `bind_window_auto`, `bind_window_auto_with_app_css`.
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Widget-scoped providers at `USER - 10` so they beat `apply_shared` but
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lose to user CSS. Existing `apply_shared` / `apply_app_css` /
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`apply_css` / `apply_user_css` are unchanged.
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CLI: `bread-theme generate-output <OUTPUT> --image <PATH> | --from-json
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<FILE> [--shared]`. Does not write `theme.css` unless `--shared`.
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## Coordinated bump policy
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`bread-theme` is consumed by `breadbar`, `breadbox`, `breadpad`, and the other
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GTK bread apps as a pinned git dependency. A breaking change to `Palette`,
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`css_vars`, or the `gtk` feature API requires dependents to bump their
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`Cargo.toml` git tag and cut a release together. Note the impact in this file
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before tagging.
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**0.7.4** adds per-output bind APIs (`bind_window*`, `load_palette_for`,
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`generate_output`). Apps that call those must pin `tag = "v0.7.4"`.
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---
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## theme-v0.1.0 (2026-06-06)
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- Initial extraction from `breadpad-shared/src/theme.rs`
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- `Palette` struct with `color0`–`color7` and Catppuccin Mocha default
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- `load_palette()` reads `~/.cache/wal/colors.json`, falls back to default
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- `css_vars(palette)` emits `@define-color` block + font declaration
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- `hex_to_rgba(hex, alpha)` utility
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- `tokens` module with spacing scale, border radii, font sizes from `BREAD_DESIGN_SYSTEM.md`
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- `gtk` feature: `apply_css()` and `apply_user_css()` helpers for GTK4 CSS providers
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