modularize hidpi config (#281)

home/modules/default.nix

@@ -1,7 +1,7 @@
 [
-  ./browser.nix
-  ./dotfiles.nix
   ./changes-report.nix
+  ./dotfiles.nix
+  ./hidpi.nix
   ./megasync.nix
   ./signal.nix
 ]

home/modules/hidpi.nix

@@ -0,0 +1,45 @@
+{ config, lib, ... }:
+
+with lib;
+
+{
+  meta.maintainers = [ hm.maintainers.gvolpe ];
+
+  options = {
+    hidpi = lib.mkEnableOption "HiDPI displays";
+
+    programs = {
+      alacritty.fontSize = mkOption {
+        type = types.int;
+        default = if config.hidpi then 10 else 8;
+      };
+
+      browser.settings.dpi = mkOption {
+        type = types.str;
+        default = "0";
+      };
+
+      foot.fontSize = mkOption {
+        type = types.str;
+        default = if config.hidpi then "14" else "10";
+      };
+
+      signal.scaleFactor = mkOption {
+        type = types.str;
+        default = if config.hidpi then "2" else "1.5";
+      };
+    };
+
+    services = {
+      hypridle.dpms = mkOption {
+        type = types.attrs;
+        default = if config.hidpi then { } else
+        {
+          timeout = 1200;
+          on-timeout = "hyprctl dispatch dpms off";
+          on-resume = "hyprctl dispatch dpms on";
+        };
+      };
+    };
+  };
+}

home/modules/megasync.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, specialArgs, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -23,7 +23,7 @@ in
 
     package = mkOption {
       type = types.package;
-      default = if specialArgs.hidpi then hidpiPackage else pkgs.megasync;
+      default = if config.hidpi then hidpiPackage else pkgs.megasync;
     };
   };
 

home/modules/signal.nix

@@ -1,16 +1,14 @@
-{ config, lib, pkgs, specialArgs, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
 let
   cfg = config.programs.signal;
 
-  scaleFactor = if specialArgs.hidpi then "2" else "1.5";
-
   signal = pkgs.signal-desktop.overrideAttrs (old: {
     preFixup = old.preFixup + ''
       substituteInPlace $out/share/applications/signal-desktop.desktop \
-        --replace "--no-sandbox" "--use-tray-icon --force-device-scale-factor=${scaleFactor}"
+        --replace "--no-sandbox" "--use-tray-icon --force-device-scale-factor=${cfg.scaleFactor}"
     '';
   });
 
@@ -22,7 +20,7 @@ let
       postBuild = ''
         wrapProgram $out/bin/signal-desktop \
           --add-flags "--use-tray-icon" \
-          --add-flags "--force-device-scale-factor=${scaleFactor}"
+          --add-flags "--force-device-scale-factor=${cfg.scaleFactor}"
       '';
     };
 

home/programs/alacritty/default.nix

@@ -1,8 +1,5 @@
-{ pkgs, specialArgs, ... }:
+{ config, pkgs, ... }:
 
-let
-  fontSize = if specialArgs.hidpi then 10 else 8;
-in
 {
   programs.alacritty = {
     enable = true;
@@ -23,7 +20,7 @@ in
           family = "JetBrainsMono Nerd Font";
           style = "Medium";
         };
-        size = fontSize;
+        size = config.programs.alacritty.fontSize;
       };
       keyboard.bindings = [
         { key = 53; mods = "Shift"; mode = "Vi"; action = "SearchBackward"; }

home/programs/foot/default.nix

@@ -1,9 +1,5 @@
-{ pkgs, specialArgs, ... }:
+{ config, pkgs, ... }:
 
-let
-  inherit (specialArgs) hidpi;
-  fontSize = if hidpi then "14" else "10";
-in
 {
   # lightweight wayland terminal emulator
   programs.foot = {
@@ -12,7 +8,7 @@ in
     settings = {
       main = {
         shell = "${pkgs.fish}/bin/fish";
-        font = "JetBrainsMono Nerdfont:size=${fontSize}";
+        font = "JetBrainsMono Nerdfont:size=${config.programs.foot.fontSize}";
         pad = "12x12";
         dpi-aware = "yes";
         selection-target = "both";

home/services/hypridle/default.nix

@@ -1,14 +1,5 @@
-{ specialArgs, ... }:
+{ config, ... }:
 
-let
-  dpmsSettings =
-    if specialArgs.hidpi then { } else
-    {
-      timeout = 1200;
-      on-timeout = "hyprctl dispatch dpms off";
-      on-resume = "hyprctl dispatch dpms on";
-    };
-in
 {
   services.hypridle = {
     enable = true;
@@ -24,7 +15,7 @@ in
           timeout = 900;
           on-timeout = "hyprlock";
         }
-        dpmsSettings
+        config.services.hypridle.dpms
       ];
     };
   };

home/services/polybar/default.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, specialArgs, ... }:
+{ config, lib, pkgs, ... }:
 
 let
   openCalendar = "${pkgs.xfce.orage}/bin/orage";
@@ -14,7 +14,7 @@ let
     font5 = 10;
   };
 
-  mainBar = if specialArgs.hidpi then hdmiBar else laptopBar;
+  mainBar = if config.hidpi then hdmiBar else laptopBar;
 
   openGithub = "${lib.exe pkgs.firefox-beta-bin} -new-tab https\\://github.com/notifications";
 

lib/overlays.nix

@@ -76,8 +76,7 @@ let
   };
 
   xargsOverlay = f: p: {
-    xargs = { hidpi }: {
-      inherit hidpi;
+    xargs = {
       inherit (inputs) gh-md-toc penguin-fox;
       inherit (inputs.rycee-nurpkgs.lib.${system}) buildFirefoxXpiAddon;
       addons = f.nur.repos.rycee.firefox-addons;

outputs/hm.nix

@@ -10,25 +10,26 @@ let
     ({ nix.registry.nixpkgs.flake = inputs.nixpkgs; })
   ];
 
-  hyprlandDpiSettings = { hidpi }: {
-    programs.browser.settings.dpi = if hidpi then "0" else "1.7";
+  hyprlandDpiSettings = { config, ... }: {
+    programs.browser.settings.dpi = if config.hidpi then "0" else "1.7";
   };
 
-  xmonadDpiSettings = { hidpi }: {
-    programs.browser.settings.dpi = if hidpi then "-1.0" else "0.7";
+  xmonadDpiSettings = { config, ... }: {
+    programs.browser.settings.dpi = if config.hidpi then "-1.0" else "0.7";
   };
 
   mkXmonadHome = { hidpi }:
     let
       imports = sharedImports ++ [
         ../home/wm/xmonad/home.nix
-        (xmonadDpiSettings { inherit hidpi; })
+        ({ inherit hidpi; })
+        xmonadDpiSettings
       ];
     in
     (
       home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
-        extraSpecialArgs = pkgs.xargs { inherit hidpi; };
+        extraSpecialArgs = pkgs.xargs;
         modules = [{ inherit imports; }];
       }
     );
@@ -38,14 +39,14 @@ let
       imports = sharedImports ++ [
         inputs.hypr-binds-flake.homeManagerModules.${system}.default
         ../home/wm/hyprland/home.nix
-        (hyprlandDpiSettings { inherit hidpi; })
-        ({ dotfiles.mutable = mutableDotFiles; })
+        ({ inherit hidpi; dotfiles.mutable = mutableDotFiles; })
+        hyprlandDpiSettings
       ];
     in
     (
       home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
-        extraSpecialArgs = pkgs.xargs { inherit hidpi; };
+        extraSpecialArgs = pkgs.xargs;
         modules = [{ inherit imports; }];
       }
     );

outputs/os.nix

@@ -51,7 +51,7 @@ in
       home-manager.nixosModules.home-manager
       (import ./mod.nix {
         inherit inputs system;
-        extraSpecialArgs = pkgs.xargs { hidpi = false; };
+        extraSpecialArgs = pkgs.xargs;
       })
       # FIXME: zfs-kernel-2.2.3-6.8.9 is marked as broken
       # iso image modules