380 lines
10 KiB
Nix
380 lines
10 KiB
Nix
{ config, lib, pkgs, stdenv, ... }:
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with lib;
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let
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cfg = config.services.twmn;
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animationOpts = {
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curve = mkOption {
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type = types.ints.between 0 40;
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default = 38;
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example = 19;
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description = ''
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The qt easing-curve animation to use for the animation. See
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[
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QEasingCurve documentation](https://doc.qt.io/qt-5/qeasingcurve.html#Type-enum).
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'';
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};
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duration = mkOption {
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type = types.ints.unsigned;
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default = 1000;
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example = 618;
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description = "The animation duration in milliseconds.";
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};
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};
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in {
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meta.maintainers = [ hm.maintainers.austreelis ];
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options.services.twmn = {
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enable = mkEnableOption "twmn, a tiling window manager notification daemon";
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duration = mkOption {
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type = types.ints.unsigned;
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default = 3000;
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example = 5000;
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description = ''
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The time each notification remains visible, in milliseconds.
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'';
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};
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extraConfig = mkOption {
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type = types.attrs;
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default = { };
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example = literalExpression
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''{ main.activation_command = "\${pkgs.hello}/bin/hello"; }'';
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description = ''
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Extra configuration options to add to the twmnd config file. See
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<https://github.com/sboli/twmn/blob/master/README.md>
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for details.
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'';
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};
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host = mkOption {
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type = types.str;
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default = "127.0.0.1";
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example = "laptop.lan";
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description = "Host address to listen on for notifications.";
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};
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icons = {
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critical = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = "Path to the critical notifications' icon.";
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};
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info = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = "Path to the informative notifications' icon.";
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};
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warning = mkOption {
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type = types.nullOr types.path;
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default = null;
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description = "Path to the warning notifications' icon.";
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};
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};
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port = mkOption {
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type = types.port;
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default = 9797;
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description = "UDP port to listen on for notifications.";
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};
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screen = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 0;
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description = ''
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Screen number to display notifications on when using a multi-head
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desktop.
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'';
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};
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soundCommand = mkOption {
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type = types.str;
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default = "";
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description = "Command to execute to play a notification's sound.";
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};
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text = {
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color = mkOption {
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type = types.str;
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default = "#999999";
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example = "lightgray";
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description = ''
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Notification's text color. RGB hex and keywords (e.g. `lightgray`)
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are supported.
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'';
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};
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font = {
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package = mkOption {
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type = types.nullOr types.package;
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default = null;
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example = literalExpression "pkgs.dejavu_fonts";
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description = ''
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Notification text's font package. If `null` then
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the font is assumed to already be available in your profile.
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'';
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};
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family = mkOption {
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type = types.str;
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default = "Sans";
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example = "Noto Sans";
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description = "Notification text's font family.";
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};
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size = mkOption {
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type = types.ints.unsigned;
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default = 13;
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example = 42;
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description = "Notification text's font size.";
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};
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variant = mkOption {
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# These are the font variant supported by twmn
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# See https://github.com/sboli/twmn/blob/master/README.md?plain=1#L42
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type = types.enum [
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"oblique"
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"italic"
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"ultra-light"
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"light"
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"medium"
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"semi-bold"
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"bold"
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"ultra-bold"
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"heavy"
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"ultra-condensed"
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"extra-condensed"
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"condensed"
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"semi-condensed"
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"semi-expanded"
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"expanded"
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"extra-expanded"
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"ultra-expanded"
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];
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default = "medium";
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example = "heavy";
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description = "Notification text's font variant.";
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};
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};
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maxLength = mkOption {
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type = types.nullOr types.ints.unsigned;
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default = null;
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example = 80;
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description = ''
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Maximum length of the text before it is cut and suffixed with "...".
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Never cuts if `null`.
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'';
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};
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};
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window = {
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alwaysOnTop =
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mkEnableOption "forcing the notification window to always be on top";
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animation = {
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easeIn = mkOption {
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type = types.submodule { options = animationOpts; };
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default = { };
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example = literalExpression ''
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{
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curve = 19;
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duration = 618;
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}
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'';
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description = "Options for the notification appearance's animation.";
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};
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easeOut = mkOption {
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type = types.submodule { options = animationOpts; };
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default = { };
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example = literalExpression ''
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{
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curve = 19;
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duration = 618;
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}
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'';
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description =
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"Options for the notification disappearance's animation.";
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};
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bounce = {
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enable = mkEnableOption
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"notification bounce when displaying next notification directly";
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duration = mkOption {
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type = types.ints.unsigned;
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default = 500;
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example = 618;
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description = "The bounce animation duration in milliseconds.";
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};
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};
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};
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color = mkOption {
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type = types.str;
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default = "#000000";
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example = "lightgray";
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description = ''
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Notification's background color. RGB hex and keywords (e.g.
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`lightgray`) are supported.
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'';
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};
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height = mkOption {
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type = types.ints.unsigned;
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default = 18;
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example = 42;
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description = ''
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Height of the slide bar. Useful to match your tiling window
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manager's bar.
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'';
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};
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offset = {
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x = mkOption {
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type = types.int;
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default = 0;
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example = 50;
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description = ''
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Offset of the notification's slide starting point in pixels on the
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horizontal axis (positive is rightward).
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'';
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};
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y = mkOption {
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type = types.int;
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default = 0;
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example = -100;
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description = ''
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Offset of the notification's slide starting point in pixels on the
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vertical axis (positive is upward).
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'';
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};
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};
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opacity = mkOption {
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type = types.ints.between 0 100;
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default = 100;
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example = 80;
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description = "The notification window's opacity.";
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};
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position = mkOption {
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type = types.enum [
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"tr"
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"top_right"
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"tl"
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"top_left"
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"br"
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"bottom_right"
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"bl"
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"bottom_left"
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"tc"
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"top_center"
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"bc"
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"bottom_center"
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"c"
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"center"
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];
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default = "top_right";
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example = "bottom_left";
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description = ''
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Position of the notification slide. The notification will slide
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in vertically from the border if placed in
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`top_center` or `bottom_center`,
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horizontally otherwise.
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'';
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};
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};
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};
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#################
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# Implementation
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config = mkIf cfg.enable {
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assertions = [
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(lib.hm.assertions.assertPlatform "services.twmn" pkgs
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lib.platforms.linux)
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];
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home.packages =
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lib.optional (!isNull cfg.text.font.package) cfg.text.font.package
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++ [ pkgs.twmn ];
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xdg.configFile."twmn/twmn.conf".text = let
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conf = recursiveUpdate {
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gui = {
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always_on_top = if cfg.window.alwaysOnTop then "true" else "false";
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background_color = cfg.window.color;
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bounce =
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if cfg.window.animation.bounce.enable then "true" else "false";
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bounce_duration = toString cfg.window.animation.bounce.duration;
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font = cfg.text.font.family;
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font_size = toString cfg.text.font.size;
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font_variant = cfg.text.font.variant;
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foreground_color = cfg.text.color;
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height = toString cfg.window.height;
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in_animation = toString cfg.window.animation.easeIn.curve;
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in_animation_duration = toString cfg.window.animation.easeIn.duration;
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max_length = toString
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(if isNull cfg.text.maxLength then -1 else cfg.text.maxLength);
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offset_x = with cfg.window.offset;
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if x < 0 then toString x else "+${toString x}";
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offset_y = with cfg.window.offset;
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if y < 0 then toString y else "+${toString y}";
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opacity = toString cfg.window.opacity;
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out_animation = toString cfg.window.animation.easeOut.curve;
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out_animation_duration =
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toString cfg.window.animation.easeOut.duration;
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position = cfg.window.position;
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screen = toString cfg.screen;
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};
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# map null values to empty strings because formats.toml generator fails
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# when encountering a null.
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icons = mapAttrs (_: toString) cfg.icons;
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main = {
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duration = toString cfg.duration;
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host = cfg.host;
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port = toString cfg.port;
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sound_command = cfg.soundCommand;
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};
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} cfg.extraConfig;
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mkLine = name: value: "${name}=${value}";
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mkSection = section: conf: ''
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[${section}]
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${concatStringsSep "\n" (mapAttrsToList mkLine conf)}
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'';
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in concatStringsSep "\n" (mapAttrsToList mkSection conf) + "\n";
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systemd.user.services.twmnd = {
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Unit = {
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Description = "twmn daemon";
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After = [ "graphical-session-pre.target" ];
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PartOf = [ "graphical-session.target" ];
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X-Restart-Triggers =
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[ "${config.xdg.configFile."twmn/twmn.conf".source}" ];
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};
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Install.WantedBy = [ "graphical-session.target" ];
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Service = {
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ExecStart = "${pkgs.twmn}/bin/twmnd";
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Restart = "on-failure";
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Type = "simple";
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StandardOutput = "null";
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};
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};
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};
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}
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