nixpkgs/modules/services/x11/window-managers/default.nix

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{pkgs, config, ...}:
let
inherit (pkgs.lib) mkOption mergeOneOption any;
cfg = config.services.xserver.windowManager;
in
{
imports = [
./compiz.nix
./kwm.nix
./metacity.nix
./none.nix
./twm.nix
./wmii.nix
./xmonad.nix
./i3.nix
];
options = {
services.xserver.windowManager = {
session = mkOption {
default = [];
example = [{
name = "wmii";
start = "...";
}];
description = "
Internal option used to add some common line to window manager
scripts before forwarding the value to the
<varname>displayManager</varname>.
";
apply = map (d: d // {
manage = "window";
});
};
default = mkOption {
default = "none";
example = "wmii";
description = "
Default window manager loaded if none have been chosen.
";
merge = mergeOneOption;
apply = defaultWM:
if any (w: w.name == defaultWM) cfg.session then
defaultWM
else
throw "Default window manager (${defaultWM}) not found.";
};
};
};
config = {
services.xserver.displayManager.session = cfg.session;
};
}