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zsh: reset terminal mode on every prompt to prevent broken applications from breaking my input

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Colin
2024-10-04 09:29:01 +00:00
parent 705a7a83b1
commit 07a0718775
1 changed files with 38 additions and 1 deletions
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39
hosts/common/programs/zsh/starship.nix
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@@ -20,8 +20,45 @@ in {
".config/zsh/.zshrc".symlink.text = ''
eval "$(${pkgs.starship}/bin/starship init zsh)"
'';
".config/starship.toml".symlink.target = toml.generate "starship.toml" {
".config/starship.toml".symlink.target = let
x1b = builtins.fromJSON '' "\u001b" ''; # i.e `^[`
set = opt: "${x1b}\\[?${opt}h";
clear = opt: "${x1b}\\[?${opt}l";
in toml.generate "starship.toml" {
format = builtins.concatStringsSep "" [
# reset terminal mode (in case the previous command screwed with it)
# 'l' = turn option of, 'h' = turn option on.
#
# options are enumerated in Alacritty's VTE library's `PrivateMode` type:
# - <https://github.com/alacritty/vte/blob/ebc4a4d7259678a8626f5c269ea9348dfc3e79b2/src/ansi.rs#L845>
# see also the reset code path (does a bit too much, like clearing the screen):
# - <https://github.com/alacritty/alacritty/blob/6067787763e663bd308e5b724a5efafc2c54a3d1/alacritty_terminal/src/term/mod.rs#L1802>
# and the crucial TermMode::default: <https://github.com/alacritty/alacritty/blob/master/alacritty_terminal/src/term/mod.rs#L113>
#
# query the state of any mode bit `<n>` with `printf '\033[?<n>$p'`
# e.g. `printf '\033[?7$p'` returns `^[[?7;1$y` with the `1` indicating it's **set**,
# `printf '\033[?1000$p'` returns `^[[?1000;2$y` with the `2` indicating it's **unset**.
#
# TODO: unset Line mode and Insert mode?
(clear "1") # Cursor Keys
# (clear "3") # Column Mode (i.e. clear screen/history)
(clear "6") # Origin
(set "7") # Line Wrap
(clear "12") # Blinking Cursor
(set "25") # Show Cursor
(clear "1000") # Report Mouse Clicks
(clear "1002") # Report Cell Mouse Motion
(clear "1003") # Report All Mouse Motion
(clear "1004") # Report Focus In/Out
(clear "1005") # UTF8 Mouse
(clear "1006") # Sgr Mouse
(set "1007") # Alternate Scroll
(set "1042") # Urgency Hints
# (clear "1049") # Swap Screen And Set Restore Cursor
(clear "2004") # Bracketed Paste
(clear "2026") # Sync Update
# prompt
"[](${colors._01_purple})"
"$os"
"$username"