+ // calc height of mixer scrollbar
+ int scrollbar_height = 0;
+ {
+ Gtk::Window window (WINDOW_TOPLEVEL);
+ HScrollbar scrollbar;
+ window.add (scrollbar);
+ scrollbar.set_name ("MixerWindow");
+ scrollbar.ensure_style();
+ Gtk::Requisition requisition(scrollbar.size_request ());
+ scrollbar_height = requisition.height;
+ }
+