Config is now saved and synced when updated

lib/dialogs/alert_dialog.rb

@@ -0,0 +1,14 @@
+module TAC
+  class Dialog
+    class AlertDialog < Dialog
+      def build
+        background Gosu::Color::GRAY
+        label @options[:message], text_size: 18
+
+        button "Close", width: 1.0, text_size: 18 do
+          close
+        end
+      end
+    end
+  end
+end

lib/dialogs/name_prompt_dialog.rb

@@ -3,20 +3,24 @@ module TAC
     class NamePromptDialog < Dialog
       def build
         background Gosu::Color::GRAY
-        label @options[:subtitle]
-
         flow width: 1.0 do
-          label "Name", width: 0.25
-          edit_line "", width: 0.70
+          label "Name", width: 0.25, text_size: 18
+          @name = edit_line "", width: 0.70, text_size: 18
         end
 
         flow width: 1.0 do
-          button "Cancel", width: 0.475 do
+          button "Cancel", width: 0.475, text_size: 18 do
             close
           end
 
-          button @options[:submit_label], width: 0.475 do
-            @options[:callback].call(self)
+          button @options[:submit_label], width: 0.475, text_size: 18 do
+            if @name.value.strip.empty?
+              push_state(TAC::Dialog::AlertDialog, title: "Error", message: "Name cannot be blank.\nName cannot only be whitespace.")
+            else
+              @options[:callback_method].call(@name.value.strip)
+
+              close
+            end
           end
         end
       end