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Exercises the runtime paths that had never run (details in docs/rewrite/notes/verification-VR.md): - IME: replay steps drive the surface's real GtkIMContext handlers with a real preedit + attributes; preedit renders under the cursor and commits reach the pty, incl. dead-key and compose orderings. - Paste and OSC 52 read/write confirmation dialogs: allow, deny and remember flows. - Quick terminal on niri via wlr-layer-shell: positions, sizes, toggle and autohide. Fixes a real bug: link order could put libwayland-client ahead of libgtk4-layer-shell, silently disabling the quick terminal; apprt-gtk now loads libwayland-client via wayland-sys dlopen. - Flatpak host commands against a zbus mock of org.freedesktop.Flatpak.Development under dbus-run-session: spawn, exit status, cwd/env/fd forwarding and SIGHUP on stop, both directly and through termio Exec (flatpak-info path seam added). - Horizontal-scroll tab switching thresholds and reset. tests/gtk_replay.rs runs the real binary against the session display (skips without one). Test Plan: - cargo test --test gtk_replay (needs a Wayland/X11 display) - cargo test -p ghostty-os --test flatpak_mock; -p ghostty-termio --test flatpak_exec
ghostty-rs
A Rust rewrite of the Ghostty 1.3.1 terminal emulator for Linux (GTK4 + libadwaita, OpenGL).
It aims for behavioural parity with Ghostty: the same configuration file
format, options, defaults and documentation; the same keybindings and
actions; the same ghostty +action CLI; the same terminal emulation
(including kitty keyboard/graphics protocols, OSC 8 hyperlinks, semantic
prompts, synchronized output, tmux control mode); the same shell
integration, themes and terminfo.
Out of scope: macOS, Windows, WASM, the embedded libghostty C API, and
Sentry crash reporting (disabled by default on Linux upstream).
Building and running
Requirements: Rust (edition 2024), GTK ≥ 4.14, libadwaita ≥ 1.5,
fontconfig, freetype, harfbuzz, Oniguruma, libepoxy, blueprint-compiler
and glib-compile-resources at build time.
cargo run # open a terminal window running your shell
cargo run -- -e htop # run a command
cargo run -- +list-themes # CLI actions work like Ghostty's
cargo run --profile production # optimized build (LTO, no debug assertions)
Development builds find resources/ (shell integration, themes, terminfo)
automatically. Your existing Ghostty config
(~/.config/ghostty/config[.ghostty]) is used as-is.
Installing
just install /usr/local # binary, share/ghostty, terminfo, desktop files,
# completions, man pages, translations, icons
just install /usr false true # system-package layout (lib/systemd/user)
Testing
just test # cargo test --workspace (~3000 tests)
just clippy # clippy with -D warnings
Every Zig test block of the ported files was ported to a Rust test.
crates/ghostty-core/tests holds end-to-end tests that drive the real core,
terminal and a real pty through a fake app runtime. ghostty-bench mirrors
Ghostty's benchmark tool; terminal stream throughput is on par with the Zig
build (see docs/rewrite/notes/perf-P1.md).
Documentation
docs/rewrite/ARCHITECTURE.md– top-down decomposition, crate map, key design decisions, intentional omissionsdocs/rewrite/STATUS.md– work package historydocs/rewrite/notes/– per-crate porting notes, deviations from Zig, audits and verification reports
License
MIT, like Ghostty. Bundled fonts and themes carry their own licenses (see
crates/ghostty-font/res/ and resources/themes/).