gtk-demo: Port builder example to resources

demos/gtk-demo/Makefile.am

@@ -79,7 +79,6 @@ BUILT_SOURCES = demos.h demo_resources.c
 
 EXTRA_DIST += 				\
 	$(IMAGEFILES)			\
-	demo.ui				\
 	demo.gresource.xml		\
 	$(RESOURCES)			\
 	org.gtk.Demo.gschema.xml
@@ -113,6 +112,7 @@ demo_resources.c: demo.gresource.xml $(RESOURCES)
 	$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) --target=$@ --sourcedir=$(srcdir) --generate-source $(srcdir)/demo.gresource.xml
 
 RESOURCES=	application.ui			\
+		demo.ui				\
 		menus.ui			\
 		theming.ui			\
 		gtk-logo-24.png			\

demos/gtk-demo/builder.c

@@ -38,14 +38,11 @@ do_builder (GtkWidget *do_widget)
 {
   static GtkWidget *window = NULL;
   GError *err = NULL;
-  gchar *filename;
 
   if (!window)
     {
       builder = gtk_builder_new ();
-      filename = demo_find_file ("demo.ui", NULL);
+      gtk_builder_add_from_resource (builder, "/builder/demo.ui", &err);
-      gtk_builder_add_from_file (builder, filename, &err);
-      g_free (filename);
       if (err)
         {
           g_error ("ERROR: %s\n", err->message);

demos/gtk-demo/demo.gresource.xml

@@ -12,6 +12,9 @@
     <file>cssview.css</file>
     <file>reset.css</file>
   </gresource>
+  <gresource prefix="/builder">
+    <file>demo.ui</file>
+  </gresource>
   <gresource prefix="/css_accordion">
     <file alias="gtk.css">css_accordion.css</file>
   </gresource>