hyprland: expose density and cursor tuning

dotfiles/config/hypr/hyprland/settings.lua

@@ -106,8 +106,8 @@ function M.setup(ctx)
     hl.plugin.load("/run/current-system/sw/lib/hyprglass.so")
   end
 
-  hl.env("XCURSOR_SIZE", "24")
-  hl.env("HYPRCURSOR_SIZE", "24")
+  hl.env("XCURSOR_SIZE", tostring(hyprland_cursor_size))
+  hl.env("HYPRCURSOR_SIZE", tostring(hyprland_cursor_size))
   hl.env("QT_QPA_PLATFORMTHEME", "qt5ct")
   hl.env("HYPR_MAX_WORKSPACE", "9")
 
@@ -128,8 +128,8 @@ function M.setup(ctx)
       persistent_warps = true,
     },
     general = {
-      gaps_in = 5,
-      gaps_out = 10,
+      gaps_in = hyprland_gaps_enabled and 5 or 0,
+      gaps_out = hyprland_gaps_enabled and 10 or 0,
       border_size = 2,
       col = {
         active_border = { colors = { "rgba(3b82f6ee)", "rgba(33ccffee)" }, angle = 45 },

dotfiles/config/hypr/hyprland/state.lua

@@ -68,6 +68,8 @@ return {
   enable_hyprwobbly = true,
   enable_dynamic_cursors = true,
   enable_hyprglass = false,
+  hyprland_gaps_enabled = os.getenv("IMALISON_HYPRLAND_GAPS") ~= "0",
+  hyprland_cursor_size = tonumber(os.getenv("IMALISON_HYPRLAND_CURSOR_SIZE")) or 24,
   hypr_visual_performance_mode = false,
   configure_nstack_plugin_from_lua = false,
   workspace_layouts = {},

nixos/hyprland.nix

@@ -149,6 +149,11 @@
       overrideAttrs = f: makeHyprlandLuaPackage (package.overrideAttrs f);
     };
   hyprlandPackage = makeHyprlandLuaPackage baseHyprlandPackage;
+  hyprlandGapsEnabledString =
+    if config.myModules.hyprland.gaps.enable
+    then "1"
+    else "0";
+  hyprlandCursorSizeString = toString config.myModules.hyprland.cursorSize;
   enableHyprglass = false;
   hyprglass = pkgs.callPackage ./packages/hyprglass {
     src = inputs.hyprglass;
@@ -415,6 +420,13 @@
 
     services.rumno.enable = true;
 
+    environment.sessionVariables = {
+      IMALISON_HYPRLAND_GAPS = hyprlandGapsEnabledString;
+      IMALISON_HYPRLAND_CURSOR_SIZE = hyprlandCursorSizeString;
+      XCURSOR_SIZE = hyprlandCursorSizeString;
+      HYPRCURSOR_SIZE = hyprlandCursorSizeString;
+    };
+
     home-manager.sharedModules = [
       inputs.hyprscratch.homeModules.default
       (
@@ -470,6 +482,19 @@
             settings = {};
           };
 
+          home.sessionVariables = {
+            IMALISON_HYPRLAND_GAPS = hyprlandGapsEnabledString;
+            IMALISON_HYPRLAND_CURSOR_SIZE = hyprlandCursorSizeString;
+            XCURSOR_SIZE = hyprlandCursorSizeString;
+            HYPRCURSOR_SIZE = hyprlandCursorSizeString;
+          };
+          systemd.user.sessionVariables = {
+            IMALISON_HYPRLAND_GAPS = hyprlandGapsEnabledString;
+            IMALISON_HYPRLAND_CURSOR_SIZE = hyprlandCursorSizeString;
+            XCURSOR_SIZE = hyprlandCursorSizeString;
+            HYPRCURSOR_SIZE = hyprlandCursorSizeString;
+          };
+
           xdg.configFile."hyprscratch/config.conf" = lib.mkIf false {
             text = lib.hm.generators.toHyprconf {
               attrs = hyprscratchSettings;

nixos/machines/jay-lenovo.nix

@@ -39,6 +39,8 @@
 
   myModules.postgres.enable = true;
   myModules.kat.enable = true;
+  myModules.hyprland.gaps.enable = false;
+  myModules.hyprland.cursorSize = 20;
   networking.networkmanager.enable = true;
   services.libinput.enable = true;
 
@@ -71,6 +73,13 @@
   home-manager.sharedModules = [
     {
       home.stateVersion = "23.05";
+      gtk.font.size = lib.mkForce 9;
+      gtk.gtk3.extraConfig.gtk-cursor-theme-size = lib.mkForce 20;
+      dconf.settings."org/gnome/desktop/interface".text-scaling-factor = 0.9;
+      dconf.settings."org/gnome/desktop/interface".cursor-size = 20;
+      xdg.configFile."ghostty/config".text = lib.mkAfter ''
+        font-size = 11
+      '';
     }
   ];
 }

nixos/options.nix

@@ -32,6 +32,18 @@ in {
       default = true;
       type = lib.types.bool;
     };
+
+    myModules.hyprland.gaps.enable = lib.mkOption {
+      default = true;
+      type = lib.types.bool;
+      description = "Whether Hyprland should use nonzero window gaps.";
+    };
+
+    myModules.hyprland.cursorSize = lib.mkOption {
+      default = 24;
+      type = lib.types.ints.positive;
+      description = "Cursor size exported to Hyprland and cursor-aware toolkits.";
+    };
   };
 
   config = {