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waybar: add module

PR #1329
This commit is contained in:
Nicolas Berbiche 2020-07-29 16:29:51 -04:00 committed by Robert Helgesson
parent 2a54c353a9
commit f4f9f1a618
No known key found for this signature in database
GPG key ID: 36BDAA14C2797E89
14 changed files with 688 additions and 0 deletions

3
.github/CODEOWNERS vendored
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@ -103,6 +103,9 @@
/modules/programs/texlive.nix @rycee
/modules/programs/waybar.nix @berbiche
/tests/modules/programs/waybar @berbiche
/modules/programs/z-lua.nix @marsam
/modules/programs/zathura.nix @rprospero

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@ -25,4 +25,14 @@
github = "cwyc";
githubId = 16950437;
};
berbiche = {
name = "Nicolas Berbiche";
email = "berbiche@users.noreply.github.com";
github = "berbiche";
githubId = 20448408;
keys = [{
longkeyid = "rsa4096/0xB461292445C6E696";
fingerprint = "D446 E58D 87A0 31C7 EC15 88D7 B461 2924 45C6 E696";
}];
};
}

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@ -1619,6 +1619,14 @@ in
A new module is available: 'services.dropbox'.
'';
}
{
time = "2020-08-13T22:15:27+00:00";
condition = hostPlatform.isLinux;
message = ''
A new module is available: 'programs.waybar'
'';
}
];
};
}

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@ -118,6 +118,7 @@ let
(loadModule ./programs/vim.nix { })
(loadModule ./programs/vscode.nix { })
(loadModule ./programs/vscode/haskell.nix { })
(loadModule ./programs/waybar.nix { condition = hostPlatform.isLinux; })
(loadModule ./programs/z-lua.nix { })
(loadModule ./programs/zathura.nix { })
(loadModule ./programs/zoxide.nix { })

363
modules/programs/waybar.nix Normal file
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@ -0,0 +1,363 @@
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.waybar;
# Used when generating warnings
modulesPath = "programs.waybar.settings.[].modules";
# Taken from <https://github.com/Alexays/Waybar/blob/adaf84304865e143e4e83984aaea6f6a7c9d4d96/src/factory.cpp>
defaultModuleNames = [
"sway/mode"
"sway/workspaces"
"sway/window"
"wlr/taskbar"
"idle_inhibitor"
"memory"
"cpu"
"clock"
"disk"
"tray"
"network"
"backlight"
"pulseaudio"
"mpd"
"temperature"
"bluetooth"
"battery"
];
isValidCustomModuleName = x:
elem x defaultModuleNames || (hasPrefix "custom/" x && stringLength x > 7);
margins = let
mkMargin = name: {
"margin-${name}" = mkOption {
type = types.nullOr types.int;
default = null;
example = 10;
description = "Margins value without unit.";
};
};
margins = map mkMargin [ "top" "left" "bottom" "right" ];
in foldl' mergeAttrs { } margins;
waybarBarConfig = with lib.types;
submodule {
options = {
layer = mkOption {
type = nullOr (enum [ "top" "bottom" ]);
default = null;
description = ''
Decide if the bar is displayed in front (<code>"top"</code>)
of the windows or behind (<code>"bottom"</code>).
'';
example = "top";
};
output = mkOption {
type = nullOr (either str (listOf str));
default = null;
example = literalExample ''
[ "DP-1" "!DP-2" "!DP-3" ]
'';
description = ''
Specifies on which screen this bar will be displayed.
Exclamation mark(!) can be used to exclude specific output.
'';
};
position = mkOption {
type = nullOr (enum [ "top" "bottom" "left" "right" ]);
default = null;
example = "right";
description = "Bar position relative to the output.";
};
height = mkOption {
type = nullOr ints.unsigned;
default = null;
example = 5;
description =
"Height to be used by the bar if possible. Leave blank for a dynamic value.";
};
width = mkOption {
type = nullOr ints.unsigned;
default = null;
example = 5;
description =
"Width to be used by the bar if possible. Leave blank for a dynamic value.";
};
modules-left = mkOption {
type = nullOr (listOf str);
default = null;
description = "Modules that will be displayed on the left.";
example = literalExample ''
[ "sway/workspaces" "sway/mode" "wlr/taskbar" ]
'';
};
modules-center = mkOption {
type = nullOr (listOf str);
default = null;
description = "Modules that will be displayed in the center.";
example = literalExample ''
[ "sway/window" ]
'';
};
modules-right = mkOption {
type = nullOr (listOf str);
default = null;
description = "Modules that will be displayed on the right.";
example = literalExample ''
[ "mpd" "custom/mymodule#with-css-id" "temperature" ]
'';
};
modules = mkOption {
type = attrsOf unspecified;
default = { };
description = "Modules configuration.";
example = literalExample ''
{
"sway/window" = {
max-length = 50;
};
"clock" = {
format-alt = "{:%a, %d. %b %H:%M}";
};
}
'';
};
margin = mkOption {
type = nullOr str;
default = null;
description = "Margins value using the CSS format without units.";
example = "20 5";
};
inherit (margins) margin-top margin-left margin-bottom margin-right;
name = mkOption {
type = nullOr str;
default = null;
description =
"Optional name added as a CSS class, for styling multiple waybars.";
example = "waybar-1";
};
gtk-layer-shell = mkOption {
type = nullOr bool;
default = null;
example = false;
description =
"Option to disable the use of gtk-layer-shell for popups.";
};
};
};
in {
meta.maintainers = [ hm.maintainers.berbiche ];
options.programs.waybar = with lib.types; {
enable = mkEnableOption "Waybar";
package = mkOption {
type = package;
default = pkgs.waybar;
defaultText = literalExample "${pkgs.waybar}";
description = ''
Waybar package to use. Set to <code>null</code> to use the default module.
'';
};
settings = mkOption {
type = listOf waybarBarConfig;
default = [ ];
description = ''
Configuration for Waybar, see <link
xlink:href="https://github.com/Alexays/Waybar/wiki/Configuration"/>
for supported values.
'';
example = literalExample ''
[
{
layer = "top";
position = "top";
height = 30;
output = [
"eDP-1"
"HDMI-A-1"
];
modules-left = [ "sway/workspaces" "sway/mode" "wlr/taskbar" ];
modules-center = [ "sway/window" "custom/hello-from-waybar" ];
modules-right = [ "mpd" "custom/mymodule#with-css-id" "temperature" ];
modules = {
"sway/workspaces" = {
disable-scroll = true;
all-outputs = true;
};
"custom/hello-from-waybar" = {
format = "hello {}";
max-length = 40;
interval = "once";
exec = pkgs.writeShellScript "hello-from-waybar" '''
echo "from within waybar"
''';
};
};
}
]
'';
};
systemd.enable = mkEnableOption "Waybar systemd integration";
style = mkOption {
type = nullOr str;
default = null;
description = ''
CSS style of the bar.
See <link xlink:href="https://github.com/Alexays/Waybar/wiki/Configuration"/>
for the documentation.
'';
example = ''
* {
border: none;
border-radius: 0;
font-family: Source Code Pro;
}
window#waybar {
background: #16191C;
color: #AAB2BF;
}
#workspaces button {
padding: 0 5px;
}
'';
};
};
config = let
# Inspired by https://github.com/NixOS/nixpkgs/pull/89781
writePrettyJSON = name: x:
pkgs.runCommandLocal name { } ''
${pkgs.jq}/bin/jq . > $out <<<${escapeShellArg (builtins.toJSON x)}
'';
configSource = let
# Removes nulls because Waybar ignores them for most values
removeNulls = filterAttrs (_: v: v != null);
# Makes the actual valid configuration Waybar accepts
# (strips our custom settings before converting to JSON)
makeConfiguration = configuration:
let
# The "modules" option is not valid in the JSON
# as its descendants have to live at the top-level
settingsWithoutModules =
filterAttrs (n: _: n != "modules") configuration;
settingsModules =
optionalAttrs (configuration.modules != { }) configuration.modules;
in removeNulls (settingsWithoutModules // settingsModules);
# The clean list of configurations
finalConfiguration = map makeConfiguration cfg.settings;
in writePrettyJSON "waybar-config.json" finalConfiguration;
warnings = let
mkUnreferencedModuleWarning = name:
"The module '${name}' defined in '${modulesPath}' is not referenced "
+ "in either `modules-left`, `modules-center` or `modules-right` of Waybar's options";
mkUndefinedModuleWarning = settings: name:
let
# Locations where the module is undefined (a combination modules-{left,center,right})
locations = flip filter [ "left" "center" "right" ]
(x: elem name settings."modules-${x}");
mkPath = loc: "'${modulesPath}-${loc}'";
# The modules-{left,center,right} configuration that includes
# an undefined module
path = concatMapStringsSep " and " mkPath locations;
in "The module '${name}' defined in ${path} is neither "
+ "a default module or a custom module declared in '${modulesPath}'";
mkInvalidModuleNameWarning = name:
"The custom module '${name}' defined in '${modulesPath}' is not a valid "
+ "module name. A custom module's name must start with 'custom/' "
+ "like 'custom/mymodule' for instance";
# Find all modules in `modules-{left,center,right}` and `modules` not declared/referenced.
# `cfg.settings` is a list of Waybar configurations
# and we need to preserve the index for appropriate warnings
allFaultyModules = flip map cfg.settings (settings:
let
allModules = unique
(concatMap (x: attrByPath [ "modules-${x}" ] [ ] settings) [
"left"
"center"
"right"
]);
declaredModules = attrNames settings.modules;
# Modules declared in `modules` but not referenced in `modules-{left,center,right}`
unreferencedModules = subtractLists allModules declaredModules;
# Modules listed in modules-{left,center,right} that are not default modules
nonDefaultModules = subtractLists defaultModuleNames allModules;
# Modules referenced in `modules-{left,center,right}` but not declared in `modules`
undefinedModules = subtractLists declaredModules nonDefaultModules;
# Check for invalid module names
invalidModuleNames =
filter (m: !isValidCustomModuleName m) (attrNames settings.modules);
in {
# The Waybar bar configuration (since config.settings is a list)
settings = settings;
undef = undefinedModules;
unref = unreferencedModules;
invalidName = invalidModuleNames;
});
allWarnings = flip concatMap allFaultyModules
({ settings, undef, unref, invalidName }:
let
unreferenced = map mkUnreferencedModuleWarning unref;
undefined = map (mkUndefinedModuleWarning settings) undef;
invalid = map mkInvalidModuleNameWarning invalidName;
in undefined ++ unreferenced ++ invalid);
in allWarnings;
in mkIf cfg.enable (mkMerge [
{ home.packages = [ cfg.package ]; }
(mkIf (cfg.settings != [ ]) {
# Generate warnings about defined but unreferenced modules
inherit warnings;
xdg.configFile."waybar/config".source = configSource;
})
(mkIf (cfg.style != null) {
xdg.configFile."waybar/style.css".text = cfg.style;
})
(mkIf cfg.systemd.enable {
systemd.user.services.waybar = {
Unit = {
Description =
"Highly customizable Wayland bar for Sway and Wlroots based compositors.";
Documentation = "https://github.com/Alexays/Waybar/wiki";
PartOf = [ "graphical-session.target" ];
Requisite = [ "dbus.service" ];
After = [ "dbus.service" ];
};
Service = {
Type = "dbus";
BusName = "fr.arouillard.waybar";
ExecStart = "${cfg.package}/bin/waybar";
Restart = "always";
RestartSec = "1sec";
};
Install = { WantedBy = [ "graphical-session.target" ]; };
};
})
]);
}

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@ -82,6 +82,7 @@ import nmt {
./modules/programs/getmail
./modules/services/lieer
./modules/programs/rofi
./modules/programs/waybar
./modules/services/polybar
./modules/services/sxhkd
./modules/services/fluidsynth

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@ -0,0 +1,80 @@
{ config, lib, pkgs, ... }:
with lib;
let
package = pkgs.writeScriptBin "dummy-waybar" "" // { outPath = "@waybar@"; };
expected = pkgs.writeText "expected-json" ''
[
{
"height": 26,
"layer": "top",
"modules-center": [
"sway/window"
],
"modules-left": [
"sway/workspaces",
"sway/mode"
],
"modules-right": [
"idle_inhibitor",
"pulseaudio",
"network",
"cpu",
"memory",
"backlight",
"tray",
"clock"
],
"output": [
"DP-1",
"eDP-1",
"HEADLESS-1"
],
"position": "top",
"sway/workspaces": {
"all-outputs": true
}
}
]
'';
in {
config = {
programs.waybar = {
inherit package;
enable = true;
systemd.enable = true;
settings = [{
layer = "top";
position = "top";
height = 26;
output = [ "DP-1" "eDP-1" "HEADLESS-1" ];
modules-left = [ "sway/workspaces" "sway/mode" ];
modules-center = [ "sway/window" ];
modules-right = [
"idle_inhibitor"
"pulseaudio"
"network"
"cpu"
"memory"
"backlight"
"tray"
"clock"
];
modules = { "sway/workspaces".all-outputs = true; };
}];
};
nmt.description = ''
Test for the broken configuration
https://github.com/rycee/home-manager/pull/1329#issuecomment-653253069
'';
nmt.script = ''
assertPathNotExists home-files/.config/waybar/style.css
assertFileContent \
home-files/.config/waybar/config \
${expected}
'';
};
}

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@ -0,0 +1,8 @@
{
waybar-systemd-with-graphical-session-target =
./systemd-with-graphical-session-target.nix;
waybar-styling = ./styling.nix;
waybar-settings-complex = ./settings-complex.nix;
# Broken configuration from https://github.com/rycee/home-manager/pull/1329#issuecomment-653253069
waybar-broken-settings = ./broken-settings.nix;
}

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@ -0,0 +1,46 @@
[
{
"custom/my-module": {
"exec": "@dummy@/bin/dummy",
"format": "hello from {}"
},
"height": 30,
"idle_inhibitor": {
"format": "{icon}"
},
"layer": "top",
"modules-center": [
"sway/window"
],
"modules-left": [
"sway/workspaces",
"sway/mode",
"custom/my-module"
],
"modules-right": [
"idle_inhibitor",
"pulseaudio",
"network",
"cpu",
"memory",
"backlight",
"tray",
"battery",
"clock"
],
"output": [
"DP-1"
],
"position": "top",
"sway/mode": {
"tooltip": false
},
"sway/window": {
"max-length": 120
},
"sway/workspaces": {
"all-outputs": true,
"disable-scroll": true
}
}
]

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@ -0,0 +1,59 @@
{ config, lib, pkgs, ... }:
with lib;
let
package = pkgs.writeScriptBin "dummy-waybar" "" // { outPath = "@waybar@"; };
in {
config = {
programs.waybar = {
inherit package;
enable = true;
settings = [{
layer = "top";
position = "top";
height = 30;
output = [ "DP-1" ];
modules-left = [ "sway/workspaces" "sway/mode" "custom/my-module" ];
modules-center = [ "sway/window" ];
modules-right = [
"idle_inhibitor"
"pulseaudio"
"network"
"cpu"
"memory"
"backlight"
"tray"
"battery"
"clock"
];
modules = {
"sway/workspaces" = {
disable-scroll = true;
all-outputs = true;
};
"sway/mode" = { tooltip = false; };
"sway/window" = { max-length = 120; };
"idle_inhibitor" = { format = "{icon}"; };
"custom/my-module" = {
format = "hello from {}";
exec = let
dummyScript =
pkgs.writeShellScriptBin "dummy" "echo within waybar" // {
outPath = "@dummy@";
};
in "${dummyScript}/bin/dummy";
};
};
}];
};
nmt.script = ''
assertPathNotExists home-files/.config/waybar/style.css
assertFileContent \
home-files/.config/waybar/config \
${./settings-complex-expected.json}
'';
};
}

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@ -0,0 +1,23 @@
* {
border: none;
border-radius: 0;
font-family: Source Code Pro;
font-weight: bold;
color: #abb2bf;
font-size: 18px;
min-height: 0px;
}
window#waybar {
background: #16191C;
color: #aab2bf;
}
#window {
padding: 0 0px;
}
#workspaces button:hover {
box-shadow: inherit;
text-shadow: inherit;
background: #16191C;
border: #16191C;
padding: 0 3px;
}

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@ -0,0 +1,46 @@
{ config, lib, pkgs, ... }:
with lib;
let
package = pkgs.writeScriptBin "dummy-waybar" "" // { outPath = "@waybar@"; };
in {
config = {
programs.waybar = {
inherit package;
enable = true;
style = ''
* {
border: none;
border-radius: 0;
font-family: Source Code Pro;
font-weight: bold;
color: #abb2bf;
font-size: 18px;
min-height: 0px;
}
window#waybar {
background: #16191C;
color: #aab2bf;
}
#window {
padding: 0 0px;
}
#workspaces button:hover {
box-shadow: inherit;
text-shadow: inherit;
background: #16191C;
border: #16191C;
padding: 0 3px;
}
'';
};
nmt.script = ''
assertPathNotExists home-files/.config/waybar/config
assertFileContent \
home-files/.config/waybar/style.css \
${./styling-expected.css}
'';
};
}

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@ -0,0 +1,24 @@
{ config, lib, pkgs, ... }:
with lib;
let
package = pkgs.writeScriptBin "dummy-waybar" "" // { outPath = "@waybar@"; };
in {
config = {
programs.waybar = {
inherit package;
enable = true;
systemd.enable = true;
};
nmt.script = ''
assertPathNotExists home-files/.config/waybar/config
assertPathNotExists home-files/.config/waybar/style.css
assertFileContent \
home-files/.config/systemd/user/waybar.service \
${./systemd-with-graphical-session-target.service}
'';
};
}

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@ -0,0 +1,16 @@
[Install]
WantedBy=graphical-session.target
[Service]
BusName=fr.arouillard.waybar
ExecStart=@waybar@/bin/waybar
Restart=always
RestartSec=1sec
Type=dbus
[Unit]
After=dbus.service
Description=Highly customizable Wayland bar for Sway and Wlroots based compositors.
Documentation=https://github.com/Alexays/Waybar/wiki
PartOf=graphical-session.target
Requisite=dbus.service