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# sl0ppty
A terminal multiplexer — panes, tabs, sessions you can detach from — written in
C on top of [libghostty-vt](https://github.com/ghostty-org/ghostty).
```
╭────────── nvim ─────────── ▬ □ ✕ ╮ ╭─────── npm run dev ─────── ▬ □ ✕ ╮
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
│ │ ╰──────────────────────────────────╯
│ │
│ │ ╭────────── shell ────────── ▬ □ ✕ ╮
│ │ │ │
│ │ │ │
│ │ │ │
│ │ │ │
╰──────────────────────────────────╯ ╰──────────────────────────────────╯
```
## Install
Needs [zig](https://ziglang.org) 0.16 and nothing else. The result is one static
binary.
```bash
make vendor # the vendored terminal core, once
make # about a second
```
## Run
```bash
sl0ppty # attach to session "main", creating it if needed
sl0ppty -s work # a named session
sl0ppty ls # what is running
```
Sessions survive detaching, and your ssh connection dying. Then `C-a \` to
split, `C-a ?` for the keys, `C-a p` for every command by name.
## Docs
**[docs/](docs/index.md)** — [keys](docs/keys.md) ·
[panes](docs/panes.md) · [configuration](docs/config.md) ·
[shaders](docs/shaders.md) · [chrome](docs/chrome.md) ·
[layouts](docs/layouts.md) · [scripting](docs/scripting.md) ·
[how it works](docs/design.md)
`make docs` renders the same pages as a static site into `build/docs` — no
dependencies, one file of Python and one stylesheet.
## What is different about it
- **The mouse works properly.** Click a border to split toward it, drag a gap to
move a boundary, drag a pane by its title to swap it. Everything drawn
registers what it is as it is drawn, so a click and a preview cannot disagree.
- **The layout is recomputed, never stored.** Small terminal? The tab becomes a
list of headers, and comes back to exactly the arrangement you had.
- **A pane told to run something keeps its output when that thing exits**, with
`[re-run]` and `[close]` in its frame.
- **Configuration is one KDL file** that reloads on save, can be built from
`include`d pieces, and refuses a broken file instead of half-applying it.
- **Colour passes over cells** — dim, tint, rulers, spotlights, and a border that
can flash when a pane rings, with strengths written as expressions.
- **Scriptable to the same depth it is usable**: one JSON object per line over
the session's socket, and a pane can draw its own status bar and buttons with
an escape sequence.
Design notes and the twenty decisions behind it: [DESIGN.md](DESIGN.md).
|
