config/modules/gui/keybinds.nix
2022-01-11 23:20:57 +00:00

110 lines
2.7 KiB
Nix

{ lib, config, pkgs, modifier ? "Mod4", directional, workspace, launchers }:
with lib; let mod = modifier;
# Directional shortcuts.
#
# These are used to change focus and move windows around.
genDirectional = ({ left, right, up, down }: {
# Change window focus
"${mod}+${left}" = "focus left";
"${mod}+${down}" = "focus down";
"${mod}+${up}" = "focus up";
"${mod}+${right}" = "focus right";
# Move windows
"${mod}+Shift+${left}" = "move left";
"${mod}+Shift+${down}" = "move down";
"${mod}+Shift+${up}" = "move up";
"${mod}+Shift+${right}" = "move right";
});
# Workspace shortcuts.
#
# The `numbered` parameter defines the number of numbered workspaces,
# which can be no more than 8.
#
# The `named` parameter defines a set of named workspaces and the key
# used to navigate to it.
#
# For each entry this generates two keybindings:
# - `<mod>+<key>`: focus workspace
# - `<mod>+Shift+<key>`: move focused window to workspace
#
# `<key>` is set to the workspace number for numbered workspaces.
genWorkspaces = ({ numbered ? 0, named ? {} }: with lib;
let nums = genAttrs (map toString (range 1 (min numbered 9))) id;
workspaces = named // nums;
genBinds = (n: k: {
# Focus the workspace
"${mod}+${k}" = "workspace ${n}";
# Move a window to the workspace
"${mod}+Shift+${k}" = "move window to workspace ${n}";
});
keybinds = mapAttrsToList genBinds workspaces; in
mkMerge (keybinds)
);
# Application launchers
genLaunchers = ({ browser }: {
"${mod}+Tab" = "exec ${browser}";
"${mod}+Return" = "exec alacritty";
});
# Layout manipulation
layout = ({
"${mod}+A" = "split v";
"${mod}+S" = "split h";
"${mod}+F" = "fullscreen toggle";
"${mod}+BackSpace" = "kill";
});
# Media-related keys
media = ({ mpc_cli ? null, pulseaudio }: let cmd = "${mpc_cli}/bin/mpc"; in
(optionalAttrs (mpc_cli != null) {
"${mod}+comma" = "exec ${cmd} prev";
"${mod}+period" = "exec ${cmd} next";
"${mod}+slash" = "exec ${cmd} toggle";
}) // (with config.devices; optionalAttrs (audio != null) (with audio; {
# Main speakers
"${mod}+z" = "exec pactl set-sink-volume ${speakers} -10%";
"${mod}+x" = "exec pactl set-sink-volume ${speakers} +10%";
# Secondary output
"${mod}+Alt+z" = "exec pactl set-sink-volume ${external} -10%";
"${mod}+Alt+x" = "exec pactl set-sink-volume ${external} +10%";
} // (optionalAttrs (main-mic != null) {
# Microphone
"${mod}+c" = "exec pactl set-source-mute ${main-mic} toggle";
})))
);
in (mkMerge [
(media { inherit (pkgs) mpc_cli pulseaudio; })
(genDirectional directional)
(genWorkspaces workspace)
(genLaunchers launchers)
layout
])