From 3ce57565b0969401e450272bd5d6604daef7c25e Mon Sep 17 00:00:00 2001
From: reidlab <reidlab325@gmail.com>
Date: Thu, 26 Dec 2024 00:34:43 -0800
Subject: [PATCH] qt font sizes... qt font sizes are real!

---
 README.md                          |  1 +
 modules/desktop/nwg-drawer.nix     |  3 ++
 modules/desktop/themes/default.nix | 51 ++++++++++++++++++++++--------
 3 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index d7ce3b7..d060a9e 100755
--- a/README.md
+++ b/README.md
@@ -24,5 +24,6 @@ each host should have these files:
   - tags for pip and popups in hyprland config
   - make wl-clip-persist and networkmanager applet systemd services?
   - gtk cursors are MESSED UP. top priority rn
+  - qt icons just... don't apply
   - niri.. yum
   - do lockscreen better somehow
diff --git a/modules/desktop/nwg-drawer.nix b/modules/desktop/nwg-drawer.nix
index 6f6564f..05f000e 100644
--- a/modules/desktop/nwg-drawer.nix
+++ b/modules/desktop/nwg-drawer.nix
@@ -31,6 +31,9 @@ in {
         Restart = "on-failure";
         RestartSec = 5;
       };
+
     };
+
+    hm.xdg.configFile."nwg-drawer/drawer.css".text = config.modules.desktop.themes.nwg-drawer;
   };
 }
diff --git a/modules/desktop/themes/default.nix b/modules/desktop/themes/default.nix
index 54df4e4..bd5dc0f 100644
--- a/modules/desktop/themes/default.nix
+++ b/modules/desktop/themes/default.nix
@@ -1,4 +1,4 @@
-{ lib, config, ... }:
+{ pkgs, lib, config, ... }:
 
 with lib;
 with lib.my;
@@ -75,7 +75,6 @@ in {
 
   config = mkIf (cfg.active != null) {
     programs.dconf.enable = true;
-
     hm.dconf = {
       enable = true;
       settings."org/gnome/desktop/interface".color-scheme = mkIf cfg.dark "prefer-dark";
@@ -102,7 +101,7 @@ in {
 
     hm.qt = {
       enable = true;
-      platformTheme.name = "kvantum";
+      platformTheme.name = "qtct";
       style.name = "kvantum";
     };
 
@@ -145,18 +144,42 @@ in {
 
     hm.programs.rofi.theme = cfg.rofi;
 
-    hm.xdg.configFile = {
-      # kvantum
-      "Kvantum/${cfg.kvantumTheme.name}".source = "${cfg.kvantumTheme.package}/share/Kvantum/${cfg.kvantumTheme.name}";
-      "Kvantum/kvantum.kvconfig" = {
-        text = ''
-          [General]
-          theme=${cfg.kvantumTheme.name}
-        '';
-      };
+    hm.xdg.configFile = let
+      iniFmt = pkgs.formats.ini {};
+      mkQtctConf = version: let
+        zeroCount = if version == 5 then 5 else if version == 6 then 10 else builtins.throw "invalid qtct version";
+        zeros = builtins.concatStringsSep "," (builtins.genList (_: "0") zeroCount);
+        weight = if version == 5 then 50 else if version == 6 then 400 else builtins.throw "invalid qtct version";
+      in {
+        Appearance = {
+          icon_theme = cfg.iconTheme.name;
+          standard_dialogs = "xdgdesktopportal";
+          style = "kvantum";
+        };
 
-      # nwg-drawer
-      "nwg-drawer/drawer.css".text = cfg.nwg-drawer;
+        Fonts = with config.modules.desktop.fonts.fonts; {
+          # i'm going to go on a rant here
+          # this actually SUCKS omg
+          # god is dead and The Qt Company killed him
+          # (for qt5, font weight is on a different scale where 50 is equivalent to 400 in qt6, even more fun)
+          # font weight is set to 400, this is the default weight for every font ever and it will fall back to something else if the font doesn't have a 400 weight (ex. cozette only has a 500 weight)
+          # setting the font style name is BAD!! i found it breaks font selection for others that aren't the weight that is given, and it's not required anyway
+          # technically this isn't perfect because we are setting the font size in points to -1, but it doesn't matter since we define it in pixels right afterwards. this causes only a warning in the logs for some qt apps!! so it's fine but it's still a bit annoying because i'm weird
+          # oh and, because why not, the qt5 font config has less zeros than the qt6 font config. the docs don't say anything about this. i am going to kill myself @The Qt Company
+          # yapping over. this is the best we can do for now
+          general = ''"${sansSerif.family},-1,${toString sansSerif.size},5,${toString weight},${zeros},1"'';
+          fixed = ''"${monospace.family},-1,${toString monospace.size},5,${toString weight},${zeros},1"'';
+        };
+      };
+    in {
+      "Kvantum/${cfg.kvantumTheme.name}".source = "${cfg.kvantumTheme.package}/share/Kvantum/${cfg.kvantumTheme.name}";
+      "Kvantum/kvantum.kvconfig".text = ''
+        [General]
+        theme=${cfg.kvantumTheme.name}
+      '';
+
+      "qt5ct/qt5ct.conf".source = iniFmt.generate "qt5ct.conf" (mkQtctConf 5);
+      "qt6ct/qt6ct.conf".source = iniFmt.generate "qt6ct.conf" (mkQtctConf 6);
     };
   };
 }