From 6d91faf03bcb06d0265ea2881592c4d03ec95a19 Mon Sep 17 00:00:00 2001
From: Daniel Thwaites <danthwaites30@btinternet.com>
Date: Mon, 4 Apr 2022 10:39:29 +0100
Subject: [PATCH] Add support for Helix editor :sparkles:

https://helix-editor.com/
---
 flake.nix         |   1 +
 modules/helix.nix | 108 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 109 insertions(+)
 create mode 100644 modules/helix.nix

diff --git a/flake.nix b/flake.nix
index a0709fe..ba12a06 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,6 +43,7 @@
               ./modules/fish.nix
               ./modules/grub.nix
               ./modules/gtk.nix
+              ./modules/helix.nix
               ./modules/kitty.nix
               ./modules/lightdm.nix
               ./modules/plymouth
diff --git a/modules/helix.nix b/modules/helix.nix
new file mode 100644
index 0000000..8a34dcb
--- /dev/null
+++ b/modules/helix.nix
@@ -0,0 +1,108 @@
+{ config, ... }:
+
+with config.lib.stylix.colors;
+
+# Based upon https://github.com/helix-editor/helix/blob/f8c83f98859fd618980141eb95e7927dcdf074d7/runtime/themes/base16_default_dark.toml
+let theme = {
+  "ui.background".bg = base00-hash;
+  "ui.menu" = {
+    fg = base05-hash;
+    bg = base01-hash;
+  };
+  "ui.menu.selected" = {
+    fg = base01-hash;
+    bg = base04-hash;
+  };
+  "ui.linenr" = {
+    fg = base03-hash;
+    bg = base01-hash;
+  };
+  "ui.popup".bg = base01-hash;
+  "ui.window".bg = base01-hash;
+  "ui.linenr.selected" = {
+    fg = base04-hash;
+    bg = base01-hash;
+    modifiers = [ "bold" ];
+  };
+  "ui.selection".bg = base02-hash;
+  "comment" = {
+    fg = base03-hash;
+    modifiers = [ "italic" ];
+  };
+  "ui.statusline" = {
+    fg = base04-hash;
+    bg = base01-hash;
+  };
+  "ui.cursor" = {
+    fg = base04-hash;
+    modifiers = [ "reversed" ];
+  };
+  "ui.cursor.primary" = {
+    fg = base05-hash;
+    modifiers = [ "reversed" ];
+  };
+  "ui.text" = base05-hash;
+  "operator" = base05-hash;
+  "ui.text.focus" = base05-hash;
+  "variable" = base08-hash;
+  "constant.numeric" = base09-hash;
+  "constant" = base09-hash;
+  "attributes" = base09-hash;
+  "type" = base0A-hash;
+  "ui.cursor.match" = {
+    fg = base0A-hash;
+    modifiers = [ "underlined" ];
+  };
+  "string"  = base0B-hash;
+  "variable.other.member" = base0B-hash;
+  "constant.character.escape" = base0C-hash;
+  "function" = base0D-hash;
+  "constructor" = base0D-hash;
+  "special" = base0D-hash;
+  "keyword" = base0E-hash;
+  "label" = base0E-hash;
+  "namespace" = base0E-hash;
+  "ui.help" = {
+    fg = base06-hash;
+    bg = base01-hash;
+  };
+
+  "markup.heading" = base0D-hash;
+  "markup.list" = base08-hash;
+  "markup.bold" = {
+    fg = base0A-hash;
+    modifiers = [ "bold" ];
+  };
+  "markup.italic" = {
+    fg = base0E-hash;
+    modifiers = [ "italic" ];
+  };
+  "markup.link.url" = {
+    fg = base09-hash;
+    modifiers = [ "underlined" ];
+  };
+  "markup.link.text" = base08-hash;
+  "markup.quote" = base0C-hash;
+  "markup.raw" = base0B-hash;
+
+  "diff.plus" = base0B-hash;
+  "diff.delta" = base09-hash;
+  "diff.minus" = base08-hash;
+
+  "diagnostic".modifiers = [ "underlined" ];
+  "ui.gutter".bg = base01-hash;
+  "info" = base0D-hash;
+  "hint" = base03-hash;
+  "debug" = base03-hash;
+  "warning" = base09-hash;
+  "error" = base08-hash;
+};
+
+in {
+  stylix.homeModule = {
+    programs.helix = {
+      settings.theme = "stylix";
+      themes.stylix = theme;
+    };
+  };
+}