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Add bread-launcher: headless app-launcher core + GTK4 results widget

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Extracts the app-launcher substance (desktop-entry parsing, fuzzy
matching/ranking, launch history, launching) out of breadbox into a
reusable ecosystem crate, so breadbar's future embedded capsule and
breadbox's overlay window can share one implementation instead of two
(THEME_SYSTEM_PLAN.md Phase 4/6a). The GTK4 results-list widget lives
behind a `gtk` feature, mirroring bread-theme's `gtk`/`adw` gating, so a
headless consumer isn't forced to link GTK.

Adds unit tests for fuzzy_score/matches_term/priority_rank, which were
previously untested pure functions inside breadbox's main.rs.
This commit is contained in:
Breadway 2026-08-24 23:40:38 +08:00
parent 96fa79c1d4
commit 6ffd689a4d
11 changed files with 883 additions and 1 deletions
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bread-launcher/src/lib.rs Normal file
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//! Headless app-launcher core — desktop-entry discovery, fuzzy matching and
//! ranking, launch history, and process launching — plus an optional GTK4
//! results-list widget behind the `gtk` feature.
//!
//! Lives in `bread-ecosystem`, not an app repo, so breadbar (which must not
//! depend on an app repo) can embed the same launcher logic breadbox's
//! overlay window already wraps: one implementation, two hosts
//! (`THEME_SYSTEM_PLAN.md` §3, §7).
//!
//! Every path/cache/history entry point here takes an explicit `app: &str`
//! rather than hardcoding an app name, so more than one host can use this
//! crate without colliding — see [`cache_dir`]/[`config_dir`].
mod desktop;
mod history;
mod icon;
mod launch;
mod matching;
mod paths;
#[cfg(feature = "gtk")]
pub mod gtk;
pub use desktop::{load_all_desktop_entries, parse_desktop, strip_exec_codes, DesktopEntry};
pub use history::LaunchHistory;
pub use icon::IconCache;
pub use launch::{do_launch, emit_launched};
pub use matching::{fuzzy_matches, fuzzy_score, load_sorted_entries, matches_term, priority_rank};
pub use paths::{app_dirs, cache_dir, config_dir, home_dir};