Files
dotfiles/modules/desktop/waybar.nix

141 lines
4.1 KiB
Nix

{
config,
lib,
pkgs,
...
}:
# Waybar: a top status bar reading system state at a glance.
let
cfg = config.modules.desktop.waybar;
user = config.user.name;
# A Nerd Font Private-Use-Area codepoint as a literal character, decoded
# through JSON so the glyph survives as bytes rather than an editor paste.
g = code: builtins.fromJSON ''"\u${code}"'';
# Renders and toggles mako's do-not-disturb mode.
# With no mako daemon answering, the status reads "notifications on", keeping
# the widget inert rather than broken.
dndStatus = pkgs.writeShellScript "waybar-dnd-status" ''
if ${pkgs.mako}/bin/makoctl mode 2>/dev/null | ${pkgs.gnugrep}/bin/grep -qx dnd; then
printf '{"text":"${g "f1f6"}","tooltip":"Do not disturb: on","class":"dnd"}\n'
else
printf '{"text":"${g "f0f3"}","tooltip":"Notifications on","class":"active"}\n'
fi
'';
dndToggle = pkgs.writeShellScript "waybar-dnd-toggle" ''
${pkgs.mako}/bin/makoctl mode -t dnd >/dev/null 2>&1
${pkgs.procps}/bin/pkill -RTMIN+8 waybar
'';
in
{
options.modules.desktop.waybar.enable = lib.mkEnableOption "the Waybar status bar";
config = lib.mkIf cfg.enable {
# A symbols font backs the module glyphs, so pango falls back to it for the
# codepoints Stylix's monospace font does not carry.
fonts.packages = [ pkgs.nerd-fonts.symbols-only ];
home-manager.users.${user}.programs.waybar = {
enable = true;
# A user service bound to graphical-session.target, which uwsm activates,
# so the bar comes up with the session and no compositor exec-once.
systemd.enable = true;
settings.mainBar = {
layer = "top";
position = "top";
height = 30;
modules-left = [ "hyprland/workspaces" ];
modules-center = [ "clock" ];
modules-right = [
"mpris"
"wireplumber"
"network"
"battery"
"custom/dnd"
];
# Per-application icons for the windows on each workspace, mapped from
# window class with a neutral glyph for anything unlisted.
"hyprland/workspaces" = {
on-click = "activate";
format = "{id} {windows}";
format-window-separator = " ";
window-rewrite-default = g "f2d0";
window-rewrite = {
"class<Alacritty>" = g "f120";
"class<.*[Ff]irefox.*>" = g "f269";
"class<chromium.*>" = g "f268";
"class<[Cc]ode>" = g "f121";
};
};
clock = {
format = "{:%a %d %b %H:%M}";
tooltip-format = "<tt>{calendar}</tt>";
calendar = {
mode = "month";
# Underline the current day so it stands out in the grid.
format.today = "<b><u>{}</u></b>";
};
};
mpris = {
format = "${g "f001"} {title}";
format-paused = "${g "f04c"} {title}";
max-length = 40;
on-click = "play-pause";
on-scroll-up = "next";
on-scroll-down = "previous";
};
wireplumber = {
format = "{icon} {volume}%";
format-muted = "${g "f026"} muted";
format-icons = [
(g "f026")
(g "f027")
(g "f028")
];
on-click = "${pkgs.wireplumber}/bin/wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle";
};
network = {
format-wifi = "${g "f1eb"} {essid}";
format-ethernet = "${g "f796"} {ifname}";
format-disconnected = "${g "f127"} off";
tooltip-format = "{ipaddr} via {gwaddr}";
};
battery = {
format = "{icon} {capacity}%";
format-charging = "${g "f0e7"} {capacity}%";
format-icons = [
(g "f244")
(g "f243")
(g "f242")
(g "f241")
(g "f240")
];
states = {
warning = 20;
critical = 10;
};
};
"custom/dnd" = {
return-type = "json";
exec = "${dndStatus}";
on-click = "${dndToggle}";
interval = "once";
signal = 8;
};
};
};
};
}