From 20c1c46d1262baea248b06df96b26fe88746e865 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Fri, 20 Dec 2024 16:07:12 -0500
Subject: [PATCH] Set up fonts.

---
 nix/configuration/configuration.nix       |   7 +-
 nix/configuration/roles/blank/default.nix |   7 ++
 nix/configuration/roles/fonts/default.nix | 118 ++++++++++++++++++++++
 3 files changed, 129 insertions(+), 3 deletions(-)
 create mode 100644 nix/configuration/roles/blank/default.nix
 create mode 100644 nix/configuration/roles/fonts/default.nix

diff --git a/nix/configuration/configuration.nix b/nix/configuration/configuration.nix
index 760026e..31cff64 100644
--- a/nix/configuration/configuration.nix
+++ b/nix/configuration/configuration.nix
@@ -12,6 +12,7 @@
       ./roles/sway
       ./roles/emacs
       ./roles/git
+      ./roles/fonts
     ];
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
@@ -79,9 +80,9 @@
     file
     usbutils # for lsusb
     pciutils # for lspci
-    mesa-demos # for glxgears
-    vulkan-tools # for vkcube
-    xorg.xeyes # to test which windows are using x11
+    mesa-demos # for glxgears TODO move to better role
+    vulkan-tools # for vkcube TODO move to better role
+    xorg.xeyes # to test which windows are using x11 TODO move to better role
   ];
 
   services.openssh = {
diff --git a/nix/configuration/roles/blank/default.nix b/nix/configuration/roles/blank/default.nix
new file mode 100644
index 0000000..108e102
--- /dev/null
+++ b/nix/configuration/roles/blank/default.nix
@@ -0,0 +1,7 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [];
+
+
+}
diff --git a/nix/configuration/roles/fonts/default.nix b/nix/configuration/roles/fonts/default.nix
new file mode 100644
index 0000000..9808e45
--- /dev/null
+++ b/nix/configuration/roles/fonts/default.nix
@@ -0,0 +1,118 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [];
+
+  fonts = {
+    enableDefaultPackages = true;
+    packages = with pkgs; [
+      cascadia-code
+      source-sans-pro
+      source-serif-pro
+    ];
+
+    fontconfig = {
+      localConf = ''
+<?xml version="1.0"?>
+<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+<fontconfig>
+  <!-- reject all bitmap fonts, with the exception of 'terminus' -->
+  <selectfont>
+    <!-- <acceptfont> -->
+    <!--   <pattern> -->
+    <!--     <patelt name="family"> <string>Terminus</string> </patelt> -->
+    <!--   </pattern> -->
+    <!-- </acceptfont> -->
+    <rejectfont>
+      <pattern>
+        <patelt name="scalable"> <bool>false</bool> </patelt>
+      </pattern>
+    </rejectfont>
+    <rejectfont>
+      <!-- You don't want ghostscript fonts in your web browsing because of annoying ligatures like ffi -->
+      <glob>/usr/share/fonts/gsfonts/*</glob>
+    </rejectfont>
+  </selectfont>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>serif</family>
+    <prefer>
+      <family>Source Serif Pro</family>
+      <family>Source Sans Pro</family>
+    </prefer>
+  </alias>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>sans-serif</family>
+    <prefer>
+      <family>Source Sans Pro</family>
+      <family>Source Serif Pro</family>
+    </prefer>
+  </alias>
+
+  <!-- preferred aliases -->
+  <alias>
+    <family>monospace</family>
+    <prefer>
+      <family>Cascadia Mono</family>
+      <family>Cascadia Code</family>
+    </prefer>
+  </alias>
+
+
+  <!-- Screw it. Force Liberation Mono to be source code pro. -->
+  <match target="pattern">
+    <test qual="any" name="family"><string>Liberation Mono</string></test>
+    <edit name="family" mode="assign" binding="same"><string>Cascadia Mono</string></edit>
+  </match>
+
+  <!-- Dejavu Sans Mono keeps coming back when I query "monospace". Doesn't happen when I'm using Souce Code Pro but does happen with cascadia... force it to cascadia -->
+  <match target="pattern">
+    <test qual="any" name="family"><string>monospace</string></test>
+    <edit name="family" mode="assign" binding="same"><string>Cascadia Mono</string></edit>
+  </match>
+
+  <!-- Disable ligatures in monospace fonts. -->
+  <match target="font">
+    <test name="family" compare="eq" ignore-blanks="true">
+      <string>Cascadia Code</string>
+    </test>
+    <edit name="fontfeatures" mode="append">
+      <string>liga off</string>
+      <string>dlig off</string>
+    </edit>
+  </match>
+
+  <!-- Font Display Settings -->
+  <match target="font" >
+    <edit mode="assign" name="rgba" >
+      <const>rgb</const>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="hinting" >
+      <bool>true</bool>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="hintstyle" >
+      <const>hintslight</const>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="antialias" >
+      <bool>true</bool>
+    </edit>
+  </match>
+  <match target="font" >
+    <edit mode="assign" name="lcdfilter" >
+      <const>lcddefault</const>
+    </edit>
+  </match>
+</fontconfig>
+    '';
+    };
+  };
+}