Start on Cinnamon-based `gui` file for `piplup`.

system/piplup/gui-cinnamon.nix

@@ -0,0 +1,77 @@
+{
+  lib,
+  pkgs,
+  rom-properties,
+  ...
+}:
+{
+  # Use PipeWire
+  security.rtkit.enable = true;
+
+  # dconf
+  programs.dconf.enable = true;
+
+  services = {
+    # Use PipeWire
+    pipewire = {
+      enable = true;
+      alsa.enable = true;
+      pulse.enable = true;
+      jack.enable = true;
+    };
+    # Enable the X11 windowing system.
+    xserver = {
+      enable = true;
+      xkb.layout = "us";
+    };
+    # Enable the Cinnamon Desktop Environment.
+    cinnamon.apps.enable = true;
+
+    displayManager.lightdm.enable = true;
+    desktopManager.cinnamon.enable = true;
+  };
+
+
+  # Fonts
+  fonts = {
+    enableDefaultPackages = false;
+    packages = [
+    # fonts.enableDefaultPackages
+      pkgs.dejavu_fonts
+      pkgs.freefont_ttf
+      pkgs.gyre-fonts
+        # TrueType substitutes for standard PostScript fonts
+      pkgs.liberation_ttf
+      pkgs.unifont
+      pkgs.noto-fonts-color-emoji
+    # fonts.enableDefaultPackages
+      pkgs.unifont_upper
+      pkgs.noto-fonts
+      pkgs.noto-fonts-cjk-sans
+      pkgs.corefonts
+    ];
+    fontconfig.cache32Bit = true;
+  };
+
+  # KDE6
+  # Enable the KDE Desktop Environment.
+  xdg.icons.enable = true;
+  environment = {
+    sessionVariables.NIXOS_OZONE_WL = "1";
+    systemPackages = [
+      pkgs.kdePackages.sddm-kcm
+      pkgs.kdePackages.audiocd-kio
+      pkgs.kdePackages.skanpage
+      pkgs.kdePackages.isoimagewriter
+      pkgs.kdePackages.krdc # RDP
+      # pkgs.kdePackages.neochat # Matrix
+      pkgs.kdePackages.breeze-icons
+      pkgs.kdePackages.discover # "KDE and Plasma resources management GUI"
+      pkgs.kdePackages.partitionmanager # Partition Manager
+      pkgs.exfatprogs
+      pkgs.sublime4
+      rom-properties.packages.x86_64-linux.rp_kde6
+      # (rom-properties.packages.x86_64-linux.rp_kde6.overrideAttrs (oldAttrs: { patches = oldAttrs.patches ++ [ ../files/rp_larger_icons.diff ]; }))
+    ];
+  };
+}