Merge pull request #44920 from eadwu/init/lightdm-enso-os-greeter

lightdm-enso-os-greeter: init at 0.2.1

nixos/modules/services/x11/display-managers/lightdm-greeters/enso-os.nix

@@ -0,0 +1,159 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  dmcfg = config.services.xserver.displayManager;
+  ldmcfg = dmcfg.lightdm;
+  cfg = ldmcfg.greeters.enso;
+
+  theme = cfg.theme.package;
+  icons = cfg.iconTheme.package;
+  cursors = cfg.cursorTheme.package;
+
+  # We need a few things in the environment for the greeter to run with
+  # fonts/icons.
+  wrappedEnsoGreeter = pkgs.runCommand "lightdm-enso-os-greeter"
+    { buildInputs = [ pkgs.makeWrapper ]; }
+    ''
+      # This wrapper ensures that we actually get themes
+      makeWrapper ${pkgs.lightdm-enso-os-greeter}/bin/pantheon-greeter \
+        $out/greeter \
+        --prefix PATH : "${pkgs.glibc.bin}/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:${icons}/share:${cursors}/share" \
+        --set XDG_CONFIG_HOME "${theme}/share"
+
+      cat - > $out/lightdm-enso-os-greeter.desktop << EOF
+      [Desktop Entry]
+      Name=LightDM Greeter
+      Comment=This runs the LightDM Greeter
+      Exec=$out/greeter
+      Type=Application
+      EOF
+    '';
+
+  ensoGreeterConf = pkgs.writeText "lightdm-enso-os-greeter.conf" ''
+    [greeter]
+    default-wallpaper=${ldmcfg.background}
+    gtk-theme=${cfg.theme.name}
+    icon-theme=${cfg.iconTheme.name}
+    cursor-theme=${cfg.cursorTheme.name}
+    blur=${toString cfg.blur}
+    brightness=${toString cfg.brightness}
+    ${cfg.extraConfig}
+  '';
+in {
+  options = {
+    services.xserver.displayManager.lightdm.greeters.enso = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable enso-os-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-enso-os-greeter
+          '';
+        };
+      };
+
+      iconTheme = {
+        package = mkOption {
+          type = types.package;
+          default = pkgs.papirus-icon-theme;
+          defaultText = "pkgs.papirus-icon-theme";
+          description = ''
+            The package path that contains the icon theme given in the name option.
+          '';
+        };
+
+        name = mkOption {
+          type = types.str;
+          default = "ePapirus";
+          description = ''
+            Name of the icon theme to use for the lightdm-enso-os-greeter
+          '';
+        };
+      };
+
+      cursorTheme = {
+        package = mkOption {
+          type = types.package;
+          default = pkgs.capitaine-cursors;
+          defaultText = "pkgs.capitaine-cursors";
+          description = ''
+            The package path that contains the cursor theme given in the name option.
+          '';
+        };
+
+        name = mkOption {
+          type = types.str;
+          default = "capitane-cursors";
+          description = ''
+            Name of the cursor theme to use for the lightdm-enso-os-greeter
+          '';
+        };
+      };
+
+      blur = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether or not to enable blur
+        '';
+      };
+
+      brightness = mkOption {
+        type = types.int;
+        default = 7;
+        description = ''
+          Brightness
+        '';
+      };
+
+      extraConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          Extra configuration that should be put in the greeter.conf
+          configuration file
+        '';
+      };
+    };
+  };
+
+  config = mkIf (ldmcfg.enable && cfg.enable) {
+    environment.etc."lightdm/greeter.conf".source = ensoGreeterConf;
+
+    services.xserver.displayManager.lightdm = {
+      greeter = mkDefault {
+        package = wrappedEnsoGreeter;
+        name = "lightdm-enso-os-greeter";
+      };
+
+      greeters = {
+        gtk = {
+          enable = mkDefault false;
+        };
+      };
+    };
+  };
+}

nixos/modules/services/x11/display-managers/lightdm.nix

@@ -80,6 +80,7 @@ in
   imports = [
     ./lightdm-greeters/gtk.nix
     ./lightdm-greeters/mini.nix
+    ./lightdm-greeters/enso-os.nix
   ];
 
   options = {

pkgs/applications/display-managers/lightdm-enso-os-greeter/default.nix

@@ -0,0 +1,71 @@
+{ stdenv, fetchgit, pkgconfig
+, dbus, pcre, epoxy, libXdmcp, at-spi2-core, libxklavier, libxkbcommon, libpthreadstubs
+, gtk3, vala, cmake, libgee, libX11, lightdm, gdk_pixbuf, clutter-gtk }:
+
+stdenv.mkDerivation rec {
+  version = "0.2.1";
+  name = "lightdm-enso-os-greeter-${version}";
+
+  src = fetchgit {
+    url = https://github.com/nick92/Enso-OS;
+    rev = "ed48330bfd986072bd82ac542ed8f8a7365c6427";
+    sha256 = "11jm181jq1vbn83h235avpdxz7pqq6prqyzki5yryy53mkj4kgxz";
+  };
+
+  buildInputs = [
+    dbus
+    gtk3
+    pcre
+    vala
+    cmake
+    epoxy
+    libgee
+    libX11
+    lightdm
+    libXdmcp
+    gdk_pixbuf
+    clutter-gtk
+    libxklavier
+    at-spi2-core
+    libxkbcommon
+    libpthreadstubs
+  ];
+
+  nativeBuildInputs = [
+    pkgconfig
+  ];
+
+  postPatch = ''
+    sed -i "s@\''${CMAKE_INSTALL_PREFIX}/@@" greeter/CMakeLists.txt
+  '';
+
+  preConfigure = ''
+    cd greeter
+  '';
+
+  installFlags = [
+    "DESTDIR=$(out)"
+  ];
+
+  preFixup = ''
+    mv $out/usr/* $out
+    rm -r $out/usr
+  '';
+
+  postFixup = ''
+    rm -r $out/sbin
+  '';
+
+  meta = with stdenv.lib; {
+    description = ''
+      A fork of pantheon greeter that positions elements in a central and
+      vertigal manner and adds a blur effect to the background
+    '';
+    homepage = https://github.com/nick92/Enso-OS;
+    platforms = platforms.linux;
+    license = licenses.gpl3;
+    maintainers = with maintainers; [
+      eadwu
+    ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -18763,6 +18763,11 @@ with pkgs;
 
   lightdm_qt = lightdm.override { withQt5 = true; };
 
+  lightdm-enso-os-greeter = callPackage ../applications/display-managers/lightdm-enso-os-greeter {
+    inherit (gnome3) libgee;
+    inherit (xorg) libX11 libXdmcp libpthreadstubs;
+  };
+
   lightdm_gtk_greeter = callPackage ../applications/display-managers/lightdm/gtk-greeter.nix {
     inherit (xfce) exo;
   };