themes/a-happy-gnome: update module and config

modules/nixos/themes/a-happy-gnome/config/dconf/desktop.conf

@@ -50,3 +50,19 @@ locations=[<(uint32 2, <('New York', 'KNYC', true, [(0.71180344078725644, -1.290
 
 [org/gnome/system/location]
 enabled=false
+
+# Disable notification pop-outs for the common messenger apps.
+[org/gnome/desktop/notifications/application/re-sonny-tangram]
+show-banners=false
+
+[org/gnome/desktop/notifications/application/org-gnome-polari]
+show-banners=false
+
+[org/gnome/desktop/notifications/application/thunderbird]
+show-banners=false
+
+[org/gnome/desktop/notifications/application/io-github-hexchat]
+show-banners=false
+
+[org/gnome/desktop/notifications/application/org-gnome-evolution-alarm-notify]
+show-banners=false

modules/nixos/themes/a-happy-gnome/config/dconf/shell-extensions.conf

@@ -19,9 +19,12 @@ apps-show-extra-details=true
 # Minor tweaks ahoy!
 [org/gnome/shell/extensions/just-perfection]
 activities-button=false
-workspace-wrap-around=false
+clock-menu-position-offset=9
-window-demands-attention-focus=true
+clock-menu-position=1
+notification-banner-position=2
 ripple-box=false
+window-demands-attention-focus=true
+workspace-wrap-around=false
 
 # The lovely tool if you're a mouse handler.
 [org/gnome/shell/extensions/flypie]

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

@@ -53,6 +53,7 @@ in
         appindicator
         alphabetical-app-grid
         burn-my-windows
+        caffeine
         desktop-cube
         gsconnect
         x11-gestures
@@ -74,6 +75,18 @@ in
       internal = true;
     };
 
+    extraApps = lib.mkOption {
+      type = with lib.types; listOf package;
+      description = "A list of applications to be included in the theme.";
+      default = with pkgs; [
+        gnome.polari
+      ];
+      example = lib.literalExpression ''
+        with pkgs; [ gnome.polari ];
+      '';
+      internal = true;
+    };
+
     terminal = lib.mkOption {
       type = lib.types.package;
       description = ''
@@ -109,12 +122,8 @@ in
       totem
       epiphany
       gnome-terminal
-      gnome-music
       yelp
-    ] ++ (with pkgs; [
+    ];
-      gnome-user-docs
-      gnome-tour
-    ]);
 
     # I'm pretty sure this is already done but just to make sure.
     services.gnome.chrome-gnome-shell.enable = true;
@@ -165,6 +174,6 @@ in
 
       # GNOME search providers.
       gnome-search-provider-recoll
-    ] ++ cfg.shellExtensions;
+    ] ++ cfg.shellExtensions ++ cfg.extraApps;
   };
 }