Initial commit

src/modules/views/main.cr

@@ -0,0 +1,18 @@
+module GtkTest
+  @@main_window_id = 0_u32
+
+  def activate(app : Adw::Application)
+    main_window = APP.window_by_id(@@main_window_id)
+    return main_window.present if main_window
+
+    window = Adw::ApplicationWindow.cast(B_UI["mainWindow"])
+    window.application = app
+    
+    @@main_window_id = window.id
+
+    window.present
+  end
+
+  APP.activate_signal.connect(->activate(Adw::Application))
+  exit(APP.run(ARGV))
+end