0xTerm

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Config

0xTerm reads ~/.config/0xterm/config.toml. Every key is optional, and anything you leave out keeps the value shown here.

[font]
family = "Menlo"
size = 13.0
line_height = 1.2

[terminal]
shell = ""            # empty means your login shell ($SHELL)
scrollback = 10000
option_as_meta = true # ⌥+key sends ESC+key, for word movement

[theme]
mode = "system"       # or "light" / "dark"

[theme.dark]
background = "#0b0b0b"
foreground = "#e6e6e6"

[theme.light] takes the same keys. Each palette also takes cursor, selection and a 16-color ansi list.

How it is built

Bytes travel one way from the shell to the screen, and keys travel back:

zsh ⇄ pty ⇄ task (forkpty, reader thread)
              → alacritty_terminal (parser, grid, scrollback)
              → terminal view (GPUI on Metal, one snapshot per frame)

The window holds tabs, each tab holds a tree of splits, and each split ends in a pane running a shell. Beside them sits the toolbelt: the file tree, folder search and the viewer. The toolbelt talks to the panes only through events, such as “open this file at this line” or “the working folder changed”.