Update modules

- 'A happy GNOME' config
- Refactoring some parts of the codebase

modules/dev.nix

@@ -20,6 +20,7 @@ in {
         enable = true;
         dev.enable = true;
         nixos.enable = true;
+        man.generateCaches = true;
       };
 
       # Configure all of the development-related configuration in the system.
@@ -36,6 +37,7 @@ in {
         curl # Our favorite network client.
         cmake # The poster boy for the hated build system.
         direnv # The power of local development environment.
+        gcc # The usual toolchain.
         gnumake # Make your life easier with GNU Make.
         moreutils # Less is more but more utilities, the merrier.
       ];

modules/themes/a-happy-gnome/default.nix

@@ -1,7 +1,13 @@
 { config, options, lib, pkgs, ... }:
 
 let
+  name = "a-happy-gnome";
   cfg = config.modules.themes.a-happy-gnome;
+  dconf = pkgs.gnome3.dconf;
+  customDconfDb = pkgs.stdenv.mkDerivation {
+    name = "${name}-dconf-db";
+    buildCommand = "${dconf}/bin/dconf compile $out ${./schemas}";
+  };
 in
 {
   options.modules.themes.a-happy-gnome.enable = lib.mkEnableOption "Enables my configuration of GNOME Shell.";
@@ -11,10 +17,36 @@ in
     services.xserver.displayManager.gdm.enable = true;
     services.xserver.desktopManager.gnome.enable = true;
 
-    # Import the configuration with dconf.
-    programs.dconf.enable = true;
-    environment.etc."dconf/profile/gnome".text = "user-db:user";
-    environment.etc."dconf/db/gnome".source = ./schemas;
+    # Don't need most of the GNOME's offering so...
+    environment.gnome.excludePackages = with pkgs.gnome; [
+      gedit
+      eog
+      geary
+      totem
+      epiphany
+      gnome-terminal
+      gnome-music
+      gnome-software
+      yelp
+    ] ++ [
+      gnome-user-docs
+      gnome-tour
+    ];
+
+    programs.dconf = {
+      enable = true;
+
+      # This is an internal function which is subject to change.
+      # However, this seems to be in for some time but still, be wary.
+      # The function is found on `nixos/programs/dconf.nix` from nixpkgs.
+      profiles.customGnomeConfig = pkgs.writeTextFile {
+        name = "${name}-dconf-profile";
+        text = ''
+          user-db:user
+          file-db:${customDconfDb}
+        '';
+      };
+    };
 
     # I'm pretty sure this is already done but just to make sure.
     services.gnome.chrome-gnome-shell.enable = true;

modules/themes/a-happy-gnome/schemas/desktop.conf

@@ -1,30 +1,30 @@
 [org/gnome/desktop/interface]
-enable-animations=true
-enable-hot-corners=false
-gtk-im-module='gtk-im-context-simple'
-show-battery-percentage=true
+enable-animations = true
+enable-hot-corners = false
+gtk-im-module = 'gtk-im-context-simple'
+show-battery-percentage = true
 
 [org/gnome/desktop/notifications]
-show-banners=true
+show-banners = true
 
 [org/gnome/desktop/privacy]
-disable-microphone=false
+disable-microphone = false
 
 [org/gnome/shell]
-disable-user-extensions=false
-enabled-extensions=['arcmenu@arcmenu/com', 'just-perfection-desktop@just-perfection', 'gsconnect@andyholmes/github/io', 'pop-shell@system76/com', 'flypie@schneegans/github/com']
+disable-user-extensions = false
+enabled-extensions = ['arcmenu@arcmenu.com', 'just-perfection-desktop@just-perfection', 'gsconnect@andyholmes.github.io', 'pop-shell@system76.com', 'flypie@schneegans.github.com']
 
 [org/gnome/mutter]
-attach-modal-dialogs=true
-dynamic-workspaces=true
-edge-tiling=true
-focus-change-on-pointer-rest=true
-overlay-key='Super_L'
-workspaces-only-on-primary=true
+attach-modal-dialogs = true
+dynamic-workspaces = true
+edge-tiling = true
+focus-change-on-pointer-rest = true
+overlay-key = 'Super_L'
+workspaces-only-on-primary = true
 
 [org/gnome/shell/world-clocks]
-locations=[<(uint32 2, <('New York', 'KNYC', true, [(0/71180344078725644, -1/2909618758762367)], [(0/71059804659265924, -1/2916478949920254)])>)>, <(uint32 2, <('Coordinated Universal Time (UTC)', '@UTC', false, @a(dd) [], @a(dd) [])>)>, <(uint32 2, <('Cairo', 'HECA', true, [(0/52592587544986047, 0/54803338512621935)], [(0/52447144022429604, 0/54541539124822791)])>)>]
+locations = [<(uint32 2, <('New York', 'KNYC', true, [(0.71180344078725644, -1.2909618758762367)], [(0.71059804659265924, -1.2916478949920254)])>)>, <(uint32 2, <('Coordinated Universal Time (UTC)', '@UTC', false, @a(dd) [], @a(dd) [])>)>, <(uint32 2, <('Cairo', 'HECA', true, [(0.52592587544986047, 0.54803338512621935)], [(0.52447144022429604, 0.54541539124822791)])>)>]
 
 [org/gnome/system/location]
-enabled=false
+enabled = false
 

modules/themes/a-happy-gnome/schemas/keybindings.conf

@@ -1,11 +1,26 @@
+# This is used in tandem with Pop shell plugin.
 [org/gnome/desktop/wm/keybindings]
 begin-resize=['<Super>r']
-close=['<Super>q']
+close=['<Alt>F4', '<Super>q']
+cycle-group=@as []
+cycle-group-backward=@as []
+cycle-windows=['<Super>grave']
+cycle-windows-backward=['<Shift><Super>grave']
 maximize=@as []
 minimize=@as []
+move-to-monitor-down=['<Alt><Super>j']
+move-to-monitor-left=['<Alt><Super>h']
+move-to-monitor-right=['<Alt><Super>l']
+move-to-monitor-up=['<Alt><Super>k']
+move-to-workspace-left=['<Shift><Super>h']
+move-to-workspace-right=['<Shift><Super>l']
 panel-main-menu=@as []
+switch-group=@as []
+switch-group-backward=@as []
 switch-input-source=['<Super>i']
 switch-input-source-backward=['<Shift><Super>i']
+switch-to-workspace-left=['<Primary><Super>h']
+switch-to-workspace-right=['<Primary><Super>l']
 toggle-fullscreen=['<Super>f']
 toggle-maximized=['<Shift><Super>f']
 toggle-overview=['<Shift><Super>s']
@@ -15,6 +30,7 @@ toggle-tiled-right=@as []
 [org/gnome/shell/keybindings]
 toggle-message-tray=['<Super>v']
 
+# We don't want to restore them shortcuts.
 [org/gnome/mutter/wayland/keybindings]
 restore-shortcuts=@as []
 

modules/themes/a-happy-gnome/schemas/shell-extensions.conf

@@ -19,7 +19,7 @@ workspace-wrap-around=true
 window-demands-attention-focus=true
 ripple-box=false
 
-# The default keybindings for this extension are enough but we'll have to adjust the shell keybindings.
+# The default keybindings for this extension are enough but we'll have to adjust the shell keybindings/
 [org/gnome/shell/extensions/pop-shell]
 active-hint=true
 smart-gaps=true

modules/users.nix

@@ -3,17 +3,14 @@
 
 let
   cfg = config.modules.users;
-  invalidUsernames = [ "config" "modules" ];
   userModules = lib.getUsers cfg.users;
-  homeManagerModules =
-    lib.filterAttrs (n: _: n == "modules") (lib.filesToAttr ../users);
+  homeManagerModules = lib.filesToAttr ../users/modules;
 
   users = lib.attrNames userModules;
   nonexistentUsers = lib.filter (name: !lib.elem name users) cfg.users;
 
   mkUser = user: modulePath:
     let
-      userModule = import modulePath;
       defaultConfig = {
         home.username = user;
         home.homeDirectory = "/home/${user}";