nixpkgs/nixos/modules/services/x11/compton.nix
Joachim Fasting f9f354faad
nixos/modules: use defaultText where applicable
Primarily to fix rendering of these default values in the manual but
it's also nice to avoid having to eval these things just to build the
manual.
2016-11-21 16:35:15 +01:00

227 lines
5.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
with builtins;
let
cfg = config.services.compton;
configFile = pkgs.writeText "compton.conf"
(optionalString cfg.fade ''
# fading
fading = true;
fade-delta = ${toString cfg.fadeDelta};
fade-in-step = ${elemAt cfg.fadeSteps 0};
fade-out-step = ${elemAt cfg.fadeSteps 1};
fade-exclude = ${toJSON cfg.fadeExclude};
'' +
optionalString cfg.shadow ''
# shadows
shadow = true;
shadow-offset-x = ${toString (elemAt cfg.shadowOffsets 0)};
shadow-offset-y = ${toString (elemAt cfg.shadowOffsets 1)};
shadow-opacity = ${cfg.shadowOpacity};
shadow-exclude = ${toJSON cfg.shadowExclude};
'' + ''
# opacity
active-opacity = ${cfg.activeOpacity};
inactive-opacity = ${cfg.inactiveOpacity};
menu-opacity = ${cfg.menuOpacity};
# other options
backend = ${toJSON cfg.backend};
vsync = ${toJSON cfg.vSync};
refresh-rate = ${toString cfg.refreshRate};
'' + cfg.extraOptions);
in {
options.services.compton = {
enable = mkOption {
type = types.bool;
default = false;
example = true;
description = ''
Whether of not to enable Compton as the X.org composite manager.
'';
};
fade = mkOption {
type = types.bool;
default = false;
example = true;
description = ''
Fade windows in and out.
'';
};
fadeDelta = mkOption {
type = types.int;
default = 10;
example = 5;
description = ''
Time between fade animation step (in ms).
'';
};
fadeSteps = mkOption {
type = types.listOf types.str;
default = [ "0.028" "0.03" ];
example = [ "0.04" "0.04" ];
description = ''
Opacity change between fade steps (in and out).
'';
};
fadeExclude = mkOption {
type = types.listOf types.str;
default = [];
example = [
"window_type *= 'menu'"
"name ~= 'Firefox$'"
"focused = 1"
];
description = ''
List of condition of windows that should have no shadow.
See <literal>compton(1)</literal> man page for more examples.
'';
};
shadow = mkOption {
type = types.bool;
default = false;
example = true;
description = ''
Draw window shadows.
'';
};
shadowOffsets = mkOption {
type = types.listOf types.int;
default = [ (-15) (-15) ];
example = [ (-10) (-15) ];
description = ''
Left and right offset for shadows (in pixels).
'';
};
shadowOpacity = mkOption {
type = types.str;
default = "0.75";
example = "0.8";
description = ''
Window shadows opacity (number in range 0 - 1).
'';
};
shadowExclude = mkOption {
type = types.listOf types.str;
default = [];
example = [
"window_type *= 'menu'"
"name ~= 'Firefox$'"
"focused = 1"
];
description = ''
List of condition of windows that should have no shadow.
See <literal>compton(1)</literal> man page for more examples.
'';
};
activeOpacity = mkOption {
type = types.str;
default = "1.0";
example = "0.8";
description = ''
Opacity of active windows.
'';
};
inactiveOpacity = mkOption {
type = types.str;
default = "1.0";
example = "0.8";
description = ''
Opacity of inactive windows.
'';
};
menuOpacity = mkOption {
type = types.str;
default = "1.0";
example = "0.8";
description = ''
Opacity of dropdown and popup menu.
'';
};
backend = mkOption {
type = types.str;
default = "glx";
description = ''
Backend to use: <literal>glx</literal> or <literal>xrender</literal>.
'';
};
vSync = mkOption {
type = types.str;
default = "none";
example = "opengl-swc";
description = ''
Enable vertical synchronization using the specified method.
See <literal>compton(1)</literal> man page available methods.
'';
};
refreshRate = mkOption {
type = types.int;
default = 0;
example = 60;
description = ''
Screen refresh rate (0 = automatically detect).
'';
};
package = mkOption {
type = types.package;
default = pkgs.compton;
defaultText = "pkgs.compton";
example = literalExample "pkgs.compton";
description = ''
Compton derivation to use.
'';
};
extraOptions = mkOption {
type = types.str;
default = "";
example = ''
unredir-if-possible = true;
dbe = true;
'';
description = ''
Additional Compton configuration.
'';
};
};
config = mkIf cfg.enable {
systemd.user.services.compton = {
description = "Compton composite manager";
wantedBy = [ "default.target" ];
serviceConfig = {
ExecStart = "${cfg.package}/bin/compton --config ${configFile}";
RestartSec = 3;
Restart = "always";
};
environment.DISPLAY = ":0";
};
environment.systemPackages = [ cfg.package ];
};
}