nixpkgs/nixos/modules/services/x11/display-managers/lightdm-greeters/tiny.nix
2020-03-11 08:12:35 +00:00

93 lines
2.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
dmcfg = config.services.xserver.displayManager;
ldmcfg = dmcfg.lightdm;
cfg = ldmcfg.greeters.tiny;
in
{
options = {
services.xserver.displayManager.lightdm.greeters.tiny = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable lightdm-tiny-greeter as the lightdm greeter.
Note that this greeter starts only the default X session.
You can configure the default X session using
<xref linkend="opt-services.xserver.displayManager.defaultSession"/>.
'';
};
label = {
user = mkOption {
type = types.str;
default = "Username";
description = ''
The string to represent the user_text label.
'';
};
pass = mkOption {
type = types.str;
default = "Password";
description = ''
The string to represent the pass_text label.
'';
};
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Section to describe style and ui.
'';
};
};
};
config = mkIf (ldmcfg.enable && cfg.enable) {
services.xserver.displayManager.lightdm.greeters.gtk.enable = false;
nixpkgs.config.lightdm-tiny-greeter.conf =
let
configHeader = ''
#include <gtk/gtk.h>
static const char *user_text = "${cfg.label.user}";
static const char *pass_text = "${cfg.label.pass}";
static const char *session = "${dmcfg.defaultSession}";
'';
in
optionalString (cfg.extraConfig != "")
(configHeader + cfg.extraConfig);
services.xserver.displayManager.lightdm.greeter =
mkDefault {
package = pkgs.lightdm-tiny-greeter.xgreeters;
name = "lightdm-tiny-greeter";
};
assertions = [
{
assertion = dmcfg.defaultSession != null;
message = ''
Please set: services.xserver.displayManager.defaultSession
'';
}
];
};
}