wip: kvantum theme

flake.lock

@@ -267,6 +267,22 @@
         "type": "github"
       }
     },
+    "kvlibadwaita": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1757782301,
+        "narHash": "sha256-jCXME6mpqqWd7gWReT04a//2O83VQcOaqIIXa+Frntc=",
+        "owner": "GabePoel",
+        "repo": "KvLibadwaita",
+        "rev": "1f4e0bec44b13dabfa1fe4047aa8eeaccf2f3557",
+        "type": "github"
+      },
+      "original": {
+        "owner": "GabePoel",
+        "repo": "KvLibadwaita",
+        "type": "github"
+      }
+    },
     "niri": {
       "inputs": {
         "niri-stable": "niri-stable",
@@ -555,6 +571,7 @@
         "base16-discord": "base16-discord",
         "catppuccin-discord": "catppuccin-discord",
         "home-manager": "home-manager",
+        "kvlibadwaita": "kvlibadwaita",
         "niri": "niri",
         "nix-cachyos-kernel": "nix-cachyos-kernel",
         "nixpkgs": [

flake.nix

@@ -90,6 +90,11 @@
       url = "github:catppuccin/discord";
       flake = false;
     };
+
+    kvlibadwaita = {
+      url = "github:GabePoel/KvLibadwaita";
+      flake = false;
+    };
   };
 
   outputs =
@@ -111,6 +116,7 @@
       apple-silicon,
       openmw,
       catppuccin-discord,
+      kvlibadwaita,
       ...
     }:
     let
@@ -155,6 +161,7 @@
                   (final: prev: {
                     openmw-git = openmw;
                     catppuccin-discord-git = catppuccin-discord;
+                    kvlibadwaita-git = kvlibadwaita;
                     base16-discord-git = base16-discord;
                   })
                   (import ./packages/overlay.nix)

home/services/qt.nix

@@ -4,15 +4,39 @@
   ...
 }:
 {
+  home.packages = with pkgs; [
+    kdePackages.qtstyleplugin-kvantum
+    themix-gui
+    kvmarwaita
+  ];
+
+  # home.file.".config/Kvantum" = {
+  #   source = ./kvantum;
+  #   recursive = true;
+  #   force = true;
+  # };
+
+  # home.file.".config/Kvantum/kvantum.kvconfig" = {
+  #   text = ''
+  #   [General]
+  #   theme=
+  #   '';
+  #   force = true;
+  # };
+
   qt = {
     enable = true;
+    style = {
+      name = "kvantum";
+      package = pkgs.qt6Packages.qtstyleplugin-kvantum;
+    };
 
     qt5ctSettings = {
       Appearance = {
-        style = "Breeze";
+        style = "kvantum";
         icon_theme = config.gtk.iconTheme.name;
-        color_scheme_path = "/home/${config.userOptions.username}/.config/qt5ct/qt5ct.conf";
-        custom_palette = true;
+        # color_scheme_path = "/home/${config.userOptions.username}/.config/qt5ct/qt5ct.conf";
+        # custom_palette = true;
         standard_dialogs = "xdgdesktopportal";
       };
       Fonts = config.qt.qt6ctSettings.Fonts;
@@ -21,10 +45,10 @@
 
     qt6ctSettings = {
       Appearance = {
-        style = "Breeze";
+        style = "kvantum";
         icon_theme = config.gtk.iconTheme.name;
-        color_scheme_path = "/home/${config.userOptions.username}/.config/qt6ct/qt6ct.conf";
-        custom_palette = true;
+        # color_scheme_path = "/home/${config.userOptions.username}/.config/qt6ct/qt6ct.conf";
+        # custom_palette = true;
         standard_dialogs = "xdgdesktopportal";
       };
 

packages/kvlibadwaita/default.nix

@@ -0,0 +1,51 @@
+{
+  lib,
+  stdenvNoCC,
+  kvlibadwaita-git,
+  colorScheme ? null,
+}:
+
+stdenvNoCC.mkDerivation {
+  pname = "kvlibadwaita";
+  version = "git";
+
+  # Pulls from the flake-provided git variable
+  src = kvlibadwaita-git;
+
+  # We take the colors as an input but do nothing with them yet per your instructions.
+  # They are passed into the derivation environment just in case, but unused for now.
+  passthru = {
+    inherit colorScheme;
+  };
+
+  # Standard phases are skipped for pure file-copying derivations to save time
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+
+    # Recreate the exact requested directory structure in the output
+    mkdir -p $out/src/Colors
+    mkdir -p $out/src/KvLibadwaita
+
+    # Export Colors
+    cp "src/Colors/Libadwaita Dark.colors" "$out/src/Colors/"
+    cp "src/Colors/Libadwaita Light.colors" "$out/src/Colors/"
+
+    # Export KvLibadwaita files
+    cp "src/KvLibadwaita/KvLibadwaita.kvconfig" "$out/src/KvLibadwaita/"
+    cp "src/KvLibadwaita/KvLibadwaita.svg" "$out/src/KvLibadwaita/"
+    cp "src/KvLibadwaita/KvLibadwaitaDark.kvconfig" "$out/src/KvLibadwaita/"
+    cp "src/KvLibadwaita/KvLibadwaitaDark.svg" "$out/src/KvLibadwaita/"
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Libadwaita theme for Kvantum";
+    homepage = "https://github.com/GabePoel/kvlibadwaita"; # Update if pointing to a specific fork
+    license = licenses.gpl3Only;
+    platforms = platforms.linux;
+  };
+}

packages/overlay.nix

@@ -5,6 +5,10 @@ final: prev: {
     inherit (final) catppuccin-discord-git;
   };
 
+  kvlibadwaita = final.callPackage ./kvlibadwaita {
+    inherit (final) kvlibadwaita-git;
+  };
+
   openmw = prev.openmw.overrideAttrs (oldAttrs: {
     pname = "openmw";
     src = final.openmw-git;