From 649a6c0d70083ee43e1d0fd158fd6c802d1347b0 Mon Sep 17 00:00:00 2001
From: Adithya Nair <adtya@adtya.xyz>
Date: Fri, 24 May 2024 17:24:11 +0530
Subject: [PATCH] add varnam-fcitx

---
 flake.nix                                     |  1 +
 varnam-fcitx5/default.nix                     | 81 +++++++++++++++++++
 .../remove_old_meson_options_file.patch       |  9 +++
 3 files changed, 91 insertions(+)
 create mode 100644 varnam-fcitx5/default.nix
 create mode 100644 varnam-fcitx5/remove_old_meson_options_file.patch

diff --git a/flake.nix b/flake.nix
index ccd289a..e7e3e43 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,6 +28,7 @@
         packages = rec {
           libgovarnam = pkgs.callPackage ./govarnam/default.nix { };
           varnam-cli = pkgs.callPackage ./govarnam/default.nix { cli = true; };
+          fcitx5-varnam = pkgs.callPackage ./varnam-fcitx5 { inherit libgovarnam; };
         };
       }
     );
diff --git a/varnam-fcitx5/default.nix b/varnam-fcitx5/default.nix
new file mode 100644
index 0000000..a7249cb
--- /dev/null
+++ b/varnam-fcitx5/default.nix
@@ -0,0 +1,81 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, meson
+, ninja
+, pkg-config
+, fcitx5
+, libgovarnam
+}:
+
+stdenv.mkDerivation rec {
+  pname = "varnam-fcitx5";
+  version = "unstable-2024-05-19";
+
+  src = fetchFromGitHub {
+    owner = "varnamproject";
+    repo = "varnam-fcitx5";
+    rev = "e6366e4755e21dd3a162f38f21df4e5c37c64ae2";
+    hash = "sha256-E9mdA6j9VFSMQwkrfGLcHUFrF0w7zWjgt+2h4MEqkPQ=";
+  };
+
+  patches = [
+    ./remove_old_meson_options_file.patch
+  ];
+
+  depsBuildBuild = [ pkg-config ];
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    meson
+    ninja
+    fcitx5
+    libgovarnam
+  ];
+  buildInputs = [ fcitx5 libgovarnam ];
+
+  configurePhase = ''
+    runHook preConfigure
+
+    meson setup builddir
+
+    runHook postConfigure
+  '';
+
+  buildPhase = ''
+    runHook preBuild
+
+    cd builddir
+    meson compile
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/lib/fcitx5
+    cp src/varnamfcitx.so $out/lib/fcitx5
+
+    mkdir -p $out/share/fcitx5/{inputmethod,addon}
+    cp ${src}/src/varnamfcitx.conf $out/share/fcitx5/inputmethod
+    cp ${src}/src/varnamfcitx-addon.conf $out/share/fcitx5/addon/varnamfcitx.conf
+    
+    mkdir -p $out/share/icons/hicolor/48x48/apps
+    cp ${src}/icons/*.png $out/share/icons/hicolor/48x48/apps/
+
+    runHook postInstall
+  '';
+
+  mesonBuildType = "native";
+
+  meta = {
+    description = "Fcitx5 wrapper for Varnam Input Method Engine";
+    homepage = "https://github.com/varnamproject/varnam-fcitx5";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ adtya ];
+    mainProgram = "varnam-fcitx5";
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/varnam-fcitx5/remove_old_meson_options_file.patch b/varnam-fcitx5/remove_old_meson_options_file.patch
new file mode 100644
index 0000000..4be856e
--- /dev/null
+++ b/varnam-fcitx5/remove_old_meson_options_file.patch
@@ -0,0 +1,9 @@
+diff --git a/meson_options.txt b/meson_options.txt
+deleted file mode 100644
+index fce7f59..0000000
+--- a/meson_options.txt
++++ /dev/null
+@@ -1,2 +0,0 @@
+-# For older meson versions( < 1.1)
+-option('varnam_debug', type: 'boolean', value: false)
+\ No newline at end of file