1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
{ 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;
# 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"
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}
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.
'';
};
};
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;
};
}
|