Merge pull request #127085 from minijackson/xdg-desktop-portal-wlr-0.4.0-and-module

xdg-desktop-portal-wlr: 0.3.0 -> 0.4.0 and module

nixos/doc/manual/configuration/wayland.xml

···
   essential utilities. Now you can start <package>sway</package> from the TTY
   console.
  </para>
+
+ <para>
+  If you are using a wlroots-based compositor, like sway, and want to be able to
+  share your screen, you might want to activate this option:
+<programlisting>
+<xref linkend="opt-xdg.portal.wlr.enable"/> = true;
+</programlisting>
+  and configure Pipewire using <xref linkend="opt-services.pipewire.enable"/>
+  and related options.
+ </para>
 </chapter>

nixos/modules/config/xdg/portals/wlr.nix

···
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+let
+  cfg = config.xdg.portal.wlr;
+  package = pkgs.xdg-desktop-portal-wlr;
+  settingsFormat = pkgs.formats.ini { };
+  configFile = settingsFormat.generate "xdg-desktop-portal-wlr.ini" cfg.settings;
+in
+{
+  meta = {
+    maintainers = with maintainers; [ minijackson ];
+  };
+
+  options.xdg.portal.wlr = {
+    enable = mkEnableOption ''
+      desktop portal for wlroots-based desktops
+
+      This will add the <package>xdg-desktop-portal-wlr</package> package into
+      the <option>xdg.portal.extraPortals</option> option, and provide the
+      configuration file
+    '';
+
+    settings = mkOption {
+      description = ''
+        Configuration for <package>xdg-desktop-portal-wlr</package>.
+
+        See <literal>xdg-desktop-portal-wlr(5)</literal> for supported
+        values.
+      '';
+
+      type = types.submodule {
+        freeformType = settingsFormat.type;
+      };
+
+      default = { };
+
+      # Example taken from the manpage
+      example = literalExample ''
+        {
+          screencast = {
+            output_name = "HDMI-A-1";
+            max_fps = 30;
+            exec_before = "disable_notifications.sh";
+            exec_after = "enable_notifications.sh";
+            chooser_type = "simple";
+            chooser_cmd = "''${pkgs.slurp}/bin/slurp -f %o -or";
+          };
+        }
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    xdg.portal = {
+      enable = true;
+      extraPortals = [ package ];
+    };
+
+    systemd.user.services.xdg-desktop-portal-wlr.serviceConfig.ExecStart = [
+      # Empty ExecStart value to override the field
+      ""
+      "${package}/libexec/xdg-desktop-portal-wlr --config=${configFile}"
+    ];
+  };
+}

nixos/modules/module-list.nix

···
   ./config/xdg/menus.nix
   ./config/xdg/mime.nix
   ./config/xdg/portal.nix
+  ./config/xdg/portals/wlr.nix
   ./config/appstream.nix
   ./config/console.nix
   ./config/xdg/sounds.nix

pkgs/development/libraries/xdg-desktop-portal-wlr/default.nix

···
 { lib, stdenv, fetchFromGitHub, makeWrapper
 , meson, ninja, pkg-config, wayland-protocols
-, pipewire, wayland, systemd, libdrm, iniparser, scdoc, grim, slurp }:
+, pipewire, wayland, systemd, libdrm, inih, scdoc, grim, slurp }:
 
 stdenv.mkDerivation rec {
   pname = "xdg-desktop-portal-wlr";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "emersion";
     repo = pname;
     rev = "v${version}";
-    sha256 = "sha256-6ArUQfWx5rNdpsd8Q22MqlpxLT8GTSsymAf21zGe1KI=";
+    sha256 = "sha256:13fbzh8bjnhk4xs8j9bpc01q3hy27zpbf0gkk1fnh3hm5pnyfyiv";
   };
 
   nativeBuildInputs = [ meson ninja pkg-config wayland-protocols makeWrapper ];
-  buildInputs = [ pipewire wayland systemd libdrm iniparser scdoc ];
+  buildInputs = [ pipewire wayland systemd libdrm inih scdoc ];
 
   mesonFlags = [
     "-Dsd-bus-provider=libsystemd"