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|
{ config, lib, pkgs, ... }:
with lib;
let
dmcfg = config.services.xserver.displayManager;
ldmcfg = dmcfg.lightdm;
cfg = ldmcfg.greeters.gtk;
inherit (pkgs) writeText;
theme = cfg.theme.package;
icons = cfg.iconTheme.package;
cursors = cfg.cursorTheme.package;
# The default greeter provided with this expression is the GTK greeter.
# Again, we need a few things in the environment for the greeter to run with
# fonts/icons.
wrappedGtkGreeter = pkgs.runCommand "lightdm-gtk-greeter"
{ buildInputs = [ pkgs.makeWrapper ]; }
''
# This wrapper ensures that we actually get themes
makeWrapper ${pkgs.lightdm_gtk_greeter}/sbin/lightdm-gtk-greeter \
$out/greeter \
--prefix PATH : "${lib.getBin pkgs.stdenv.cc.libc}/bin" \
--set GDK_PIXBUF_MODULE_FILE "${pkgs.librsvg.out}/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache" \
--set GTK_PATH "${theme}:${pkgs.gtk3.out}" \
--set GTK_EXE_PREFIX "${theme}" \
--set GTK_DATA_PREFIX "${theme}" \
--set XDG_DATA_DIRS "${theme}/share:${icons}/share" \
--set XDG_CONFIG_HOME "${theme}/share" \
--set XCURSOR_PATH "${cursors}/share/icons"
cat - > $out/lightdm-gtk-greeter.desktop << EOF
[Desktop Entry]
Name=LightDM Greeter
Comment=This runs the LightDM Greeter
Exec=$out/greeter
Type=Application
EOF
'';
gtkGreeterConf = writeText "lightdm-gtk-greeter.conf"
''
[greeter]
theme-name = ${cfg.theme.name}
icon-theme-name = ${cfg.iconTheme.name}
cursor-theme-name = ${cfg.cursorTheme.name}
cursor-theme-size = ${toString cfg.cursorTheme.size}
background = ${ldmcfg.background}
${optionalString (cfg.clock-format != null) "clock-format = ${cfg.clock-format}"}
${optionalString (cfg.indicators != null) "indicators = ${concatStringsSep ";" cfg.indicators}"}
${cfg.extraConfig}
'';
in
{
options = {
services.xserver.displayManager.lightdm.greeters.gtk = {
enable = mkOption {
type = types.bool;
default = true;
description = ''
Whether to enable lightdm-gtk-greeter as the lightdm greeter.
'';
};
theme = {
package = mkOption {
type = types.package;
default = pkgs.gnome3.gnome-themes-extra;
defaultText = "pkgs.gnome3.gnome-themes-extra";
description = ''
The package path that contains the theme given in the name option.
'';
};
name = mkOption {
type = types.str;
default = "Adwaita";
description = ''
Name of the theme to use for the lightdm-gtk-greeter.
'';
};
};
iconTheme = {
package = mkOption {
type = types.package;
default = pkgs.gnome3.defaultIconTheme;
defaultText = "pkgs.gnome3.defaultIconTheme";
description = ''
The package path that contains the icon theme given in the name option.
'';
};
name = mkOption {
type = types.str;
default = "Adwaita";
description = ''
Name of the icon theme to use for the lightdm-gtk-greeter.
'';
};
};
cursorTheme = {
package = mkOption {
default = pkgs.gnome3.defaultIconTheme;
defaultText = "pkgs.gnome3.defaultIconTheme";
description = ''
The package path that contains the cursor theme given in the name option.
'';
};
name = mkOption {
type = types.str;
default = "Adwaita";
description = ''
Name of the cursor theme to use for the lightdm-gtk-greeter.
'';
};
size = mkOption {
type = types.int;
default = 16;
description = ''
Size of the cursor theme to use for the lightdm-gtk-greeter.
'';
};
};
clock-format = mkOption {
type = types.nullOr types.str;
default = null;
example = "%F";
description = ''
Clock format string (as expected by strftime, e.g. "%H:%M")
to use with the lightdm gtk greeter panel.
If set to null the default clock format is used.
'';
};
indicators = mkOption {
type = types.nullOr (types.listOf types.str);
default = null;
example = [ "~host" "~spacer" "~clock" "~spacer" "~session" "~language" "~a11y" "~power" ];
description = ''
List of allowed indicator modules to use for the lightdm gtk
greeter panel.
Built-in indicators include "~a11y", "~language", "~session",
"~power", "~clock", "~host", "~spacer". Unity indicators can be
represented by short name (e.g. "sound", "power"), service file name,
or absolute path.
If set to null the default indicators are used.
'';
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Extra configuration that should be put in the lightdm-gtk-greeter.conf
configuration file.
'';
};
};
};
config = mkIf (ldmcfg.enable && cfg.enable) {
services.xserver.displayManager.lightdm.greeter = mkDefault {
package = wrappedGtkGreeter;
name = "lightdm-gtk-greeter";
};
environment.etc."lightdm/lightdm-gtk-greeter.conf".source = gtkGreeterConf;
};
}
|