feat: add gtk theme

modules/optional/graphical/fonts.nix

@@ -4,11 +4,37 @@
   ...
 }: {
   fonts = {
-    fontconfig.defaultFonts = {
-      sansSerif = lib.mkBefore ["Segoe UI"];
-      #serif = [];
-      monospace = ["FiraCode Nerd Font"];
-      emoji = ["Segoe UI Emoji" "Noto Fonts Emoji"];
+    fontconfig = {
+      # Always prefer emojis even if the original font would provide a glyph
+      localConf = ''
+        <?xml version="1.0"?>
+        <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
+        <fontconfig>
+            <alias binding="weak">
+                <family>monospace</family>
+                <prefer>
+                    <family>emoji</family>
+                </prefer>
+            </alias>
+            <alias binding="weak">
+                <family>sans-serif</family>
+                <prefer>
+                    <family>emoji</family>
+                </prefer>
+            </alias>
+            <alias binding="weak">
+                <family>serif</family>
+                <prefer>
+                    <family>emoji</family>
+                </prefer>
+            </alias>
+        </fontconfig>
+      '';
+      defaultFonts = {
+        sansSerif = lib.mkBefore ["Segoe UI"];
+        monospace = ["FiraCode Nerd Font"];
+        emoji = ["Segoe UI Emoji" "Noto Fonts Emoji"];
+      };
     };
 
     packages = with pkgs; [

users/myuser/graphical/default.nix

@@ -10,6 +10,7 @@
       ./firefox.nix
       ./kitty.nix
       ./signal.nix
+      ./theme.nix
       # XXX: disabled for the time being because gaming under nvidia+wayland has too many bugs
       # XXX: retest this in the future. Problems were flickering under gles, black screens and refresh issues under vulkan, black wine windows.
       # ./sway.nix
@@ -27,6 +28,7 @@
       feh
       pinentry # For yubikey
       sirula
+      gamescope
       thunderbird
       xdg-utils
       xdragon
@@ -56,44 +58,6 @@
     persistence."/persist".directories = [
       "projects"
     ];
-
-    pointerCursor = {
-      gtk.enable = true;
-      name = "Adwaita-dark";
-      package = pkgs.gnome.adwaita-icon-theme;
-      # TODO XXX: not working
-      size = 24;
-    };
-  };
-
-  # Needed to fix cursors in firefox under wayland, see https://github.com/NixOS/nixpkgs/issues/207339#issuecomment-1374497558
-  gtk = {
-    enable = true;
-    theme = {
-      package = pkgs.gnome.gnome-themes-extra;
-      name = "Adwaita-dark";
-    };
-
-    gtk2.extraConfig = "gtk-application-prefer-dark-theme = true";
-    gtk3.extraConfig = {
-      gtk-application-prefer-dark-theme = true;
-      gtk-cursor-theme-size = 24;
-      gtk-enable-animations = true;
-      gtk-xft-antialias = 1;
-      gtk-xft-dpi = 160;
-      gtk-xft-hinting = 1;
-      gtk-xft-hintstyle = "hintslight";
-      gtk-xft-rgba = "rgb";
-    };
-  };
-
-  qt = {
-    enable = true;
-    platformTheme = "gnome";
-    style = {
-      name = "adwaita";
-      package = pkgs.adwaita-qt;
-    };
   };
 
   xdg.mimeApps.enable = true;

users/myuser/graphical/i3.nix

@@ -7,6 +7,7 @@
 }: let
   inherit
     (lib)
+    escapeShellArg
     mapAttrs'
     nameValuePair
     ;
@@ -167,6 +168,9 @@ in {
     xset mouse 1 0
     xset r rate 235 60
 
+    [[ -f "$HOME"/${escapeShellArg config.xsession.scriptPath} ]] \
+      && source "$HOME"/${escapeShellArg config.xsession.scriptPath}
+
     exec i3
   '';
 }

users/myuser/graphical/theme.nix

@@ -0,0 +1,60 @@
+{pkgs, ...}: {
+  home.pointerCursor = {
+    gtk.enable = true;
+    x11.enable = true;
+    package = pkgs.bibata-cursors;
+    name = "Bibata-Modern-Ice";
+    size = 32;
+  };
+
+  xresources.properties = {
+    "Xft.hinting" = true;
+    "Xft.antialias" = true;
+    "Xft.autohint" = false;
+    "Xft.lcdfilter" = "lcddefault";
+    "Xft.hintstyle" = "hintfull";
+    "Xft.rgba" = "rgb";
+  };
+
+  gtk = let
+    gtk34extraConfig = {
+      gtk-application-prefer-dark-theme = 1;
+      gtk-cursor-theme-size = 32;
+      gtk-enable-animations = true;
+      gtk-xft-antialias = 1;
+      gtk-xft-dpi = 160; # XXX: delete for wayland?
+      gtk-xft-hinting = 1;
+      gtk-xft-hintstyle = "hintfull";
+      gtk-xft-rgba = "rgb";
+    };
+  in {
+    enable = true;
+    font = {
+      package = pkgs.segoe-ui-ttf;
+      name = "Segoe UI";
+    };
+
+    iconTheme = {
+      name = "WhiteSur-dark";
+      package = pkgs.whitesur-icon-theme;
+    };
+
+    theme = {
+      name = "WhiteSur-dark-solid";
+      package = pkgs.whitesur-gtk-theme;
+    };
+
+    gtk2.extraConfig = "gtk-application-prefer-dark-theme = true";
+    gtk3.extraConfig = gtk34extraConfig;
+    gtk4.extraConfig = gtk34extraConfig;
+  };
+
+  qt = {
+    enable = true;
+    platformTheme = "gnome";
+    style = {
+      name = "adwaita";
+      package = pkgs.adwaita-qt;
+    };
+  };
+}