feat: add stylix and switch font to (very similar) JetBrainsMono for italic support

users/modules/default.nix

@@ -10,4 +10,6 @@
     ./config/shell
     ./config/utils.nix
   ];
+
+  xdg.configFile."nixpkgs/config.nix".text = "{ allowUnfree = true; }";
 }

users/myuser/graphical/kitty.nix

@@ -1,12 +1,19 @@
-{pkgs, ...}: {
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
   home.sessionVariables = {
     TERMINFO_DIRS = "${pkgs.kitty.terminfo.outPath}/share/terminfo";
   };
+  stylix.targets.kitty.enable = true;
   programs.kitty = {
     enable = true;
     settings = {
-      font_family = "FiraCode Nerd Font";
-      font_size = 20;
+      bold_font = "${config.programs.kitty.font.name} Bold";
+      italic_font = "${config.programs.kitty.font.name} Italic";
+      bold_italic_font = "${config.programs.kitty.font.name} Bold Italic";
 
       # Do not wait for inherited child processes.
       close_on_child_death = "yes";
@@ -63,7 +70,10 @@
       "ctrl+shift+." = "change_font_size all -2.0";
       "ctrl+shift+," = "change_font_size all +2.0";
     };
-    extraConfig = ''
+    # XXX: mkForce to prevent stylix from appending theme.
+    # Fix this by making a correct theme that can be used.
+    # TODO aaaaaaaaaa
+    extraConfig = lib.mkForce ''
       # Use nvim as scrollback pager
       scrollback_pager nvim -u NONE -c "set nonumber nolist showtabline=0 foldcolumn=0 laststatus=0" -c "autocmd TermOpen * normal G" -c "silent write! /tmp/kitty_scrollback_buffer | te head -c-1 /tmp/kitty_scrollback_buffer; rm /tmp/kitty_scrollback_buffer; cat"
     '';

users/myuser/graphical/theme.nix

@@ -1,4 +1,8 @@
-{pkgs, ...}: {
+{
+  lib,
+  pkgs,
+  ...
+}: {
   home.pointerCursor = {
     gtk.enable = true;
     x11.enable = true;
@@ -29,17 +33,14 @@
     };
   in {
     enable = true;
-    font = {
-      package = pkgs.segoe-ui-ttf;
-      name = "Segoe UI";
-    };
 
     iconTheme = {
       name = "WhiteSur-dark";
       package = pkgs.whitesur-icon-theme;
     };
 
-    theme = {
+    # TODO test other themes
+    theme = lib.mkForce {
       name = "WhiteSur-Dark-solid";
       package = pkgs.whitesur-gtk-theme;
     };
@@ -55,4 +56,27 @@
     enable = true;
     platformTheme = "gtk";
   };
+
+  stylix = {
+    polarity = "dark";
+    base16Scheme = {
+      base00 = "282c34";
+      base01 = "353b45";
+      base02 = "3e4451";
+      base03 = "545862";
+      base04 = "565c64";
+      base05 = "abb2bf";
+      base06 = "b6bdca";
+      base07 = "c8ccd4";
+      base08 = "e06c75";
+      base09 = "d19a66";
+      base0A = "e5c07b";
+      base0B = "98c379";
+      base0C = "56b6c2";
+      base0D = "61afef";
+      base0E = "c678dd";
+      base0F = "be5046";
+    };
+    targets.gtk.enable = true;
+  };
 }