115 lines
3.4 KiB
Nix
115 lines
3.4 KiB
Nix
|
{
|
||
|
|
config,
|
||
|
|
pkgs,
|
||
|
|
lib,
|
||
|
|
...
|
||
|
|
}:
|
||
|
|
let
|
||
|
|
cfg = config.programs.fish;
|
||
|
|
in
|
||
|
|
{
|
||
|
|
options.programs.fish = {
|
||
|
|
autoTheme = {
|
||
|
|
enable = lib.mkEnableOption "Automatically change terminal and shell themes with night mode";
|
||
|
|
light = lib.mkOption {
|
||
|
|
type = lib.types.str;
|
||
|
|
description = "Light mode theme";
|
||
|
|
};
|
||
|
|
dark = lib.mkOption {
|
||
|
|
type = lib.types.str;
|
||
|
|
description = "Dark mode theme";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
config = lib.mkIf (cfg.enable && cfg.autoTheme.enable) {
|
||
|
|
programs.fish = {
|
||
|
|
shellInit = ''
|
||
|
|
set -g theme_dark "${config.programs.fish.autoTheme.dark}"
|
||
|
|
set -g theme_light "${config.programs.fish.autoTheme.light}"
|
||
|
|
set-background-to-system
|
||
|
|
'';
|
||
|
|
interactiveShellInit = ''
|
||
|
|
set-shell-colors
|
||
|
|
set-term-colors
|
||
|
|
'';
|
||
|
|
functions =
|
||
|
|
{
|
||
|
|
# toggles `$term_background` between "light" and "dark". other Fish functions trigger when this
|
||
|
|
# variable changes. we use a universal variable so that all instances of Fish have the same
|
||
|
|
# value for the variable.
|
||
|
|
toggle-background.body = ''
|
||
|
|
if test "$term_background" = light
|
||
|
|
set -U term_background dark
|
||
|
|
else
|
||
|
|
set -U term_background light
|
||
|
|
end
|
||
|
|
'';
|
||
|
|
|
||
|
|
# set `$term_background` based on whether macOS is light or dark mode
|
||
|
|
set-background-to-system.body = ''
|
||
|
|
if is-dark-mode
|
||
|
|
set -U term_background dark
|
||
|
|
else
|
||
|
|
set -U term_background light
|
||
|
|
end
|
||
|
|
'';
|
||
|
|
|
||
|
|
# set `$term_background` based on an env var
|
||
|
|
set-background-to-env = {
|
||
|
|
argumentNames = [ "env_var" ];
|
||
|
|
body = ''
|
||
|
|
switch $$env_var
|
||
|
|
case 1
|
||
|
|
echo "Setting dark mode"
|
||
|
|
set -U term_background dark
|
||
|
|
case 0
|
||
|
|
echo "Setting light mode"
|
||
|
|
set -U term_background light
|
||
|
|
end
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
|
||
|
|
# sets shell utilities to light or dark colorscheme based on `$term_background`.
|
||
|
|
set-shell-colors = {
|
||
|
|
body = ''
|
||
|
|
# Use correct theme for `btm` and `bat`
|
||
|
|
if test "$term_background" = light
|
||
|
|
alias btm "btm --color nord-light"
|
||
|
|
set -xg BAT_THEME OneHalfLight
|
||
|
|
else
|
||
|
|
alias btm "btm --color nord"
|
||
|
|
set -xg BAT_THEME OneHalfDark
|
||
|
|
end
|
||
|
|
# Set LS_COLORS
|
||
|
|
set -xg LS_COLORS (${pkgs.vivid}/bin/vivid generate one-$term_background)
|
||
|
|
'';
|
||
|
|
onVariable = "term_background";
|
||
|
|
};
|
||
|
|
|
||
|
|
# use theme.sh to update terminal colors
|
||
|
|
set-term-colors = {
|
||
|
|
body = ''
|
||
|
|
set -l theme theme_$term_background
|
||
|
|
theme.sh $$theme
|
||
|
|
'';
|
||
|
|
onVariable = "term_background";
|
||
|
|
};
|
||
|
|
|
||
|
|
# do i need to implement for linux?
|
||
|
|
is-dark-mode = abort "is-dark-mode is not defined on ${pkgs.stdenv.system} yet.}";
|
||
|
|
}
|
||
|
|
// lib.optionalAttrs pkgs.stdenv.isDarwin {
|
||
|
|
# determine if dark mode is active
|
||
|
|
is-dark-mode.body = ''
|
||
|
|
defaults read -g AppleInterfaceStyle &>/dev/null
|
||
|
|
'';
|
||
|
|
};
|
||
|
|
shellAbbrs = {
|
||
|
|
tb = "toggle-background";
|
||
|
|
sb = "set-background-to-system";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|