Can now join a server and launch installed games (Play Now does nothing special yet)

lib/states/prompt_dialog.rb

@@ -0,0 +1,52 @@
+class W3DHub
+  class States
+    class PromptDialog < CyberarmEngine::GuiState
+      def setup
+        window.show_cursor = true
+
+        theme(W3DHub::THEME)
+
+        background 0xee_444444
+
+        stack(width: 1.0, height: 1.0, margin: 128, background: 0xee_222222) do
+          flow(width: 1.0, height: 0.1, padding: 8) do
+            background 0x88_000000
+
+            image "#{GAME_ROOT_PATH}/media/ui_icons/question.png", width: 0.04, align: :center, color: 0xff_ff8800
+
+            tagline "<b>#{@options[:title]}</b>", width: 0.9, text_align: :center
+          end
+
+          stack(width: 1.0, height: 0.78, padding: 16) do
+            para @options[:message], width: 1.0
+            @prompt_entry = edit_line @options[:prefill].to_s, margin_top: 24, width: 1.0, focus: true
+          end
+
+          flow(width: 1.0, height: 0.1, padding: 8) do
+            button "Cancel", width: 0.25 do
+              pop_state
+              @options[:cancel_callback]&.call(@prompt_entry.value)
+            end
+
+            stack(width: 0.5)
+
+            button "Accept", width: 0.25 do
+              if @options[:valid_callback]&.call(@prompt_entry.value)
+                pop_state
+                @options[:accept_callback]&.call(@prompt_entry.value)
+              end
+            end
+          end
+        end
+      end
+
+      def draw
+        previous_state&.draw
+
+        Gosu.flush
+
+        super
+      end
+    end
+  end
+end