update LuaWindow output on-the-go (allow progress print)

diff --git a/gtk2_ardour/luawindow.cc b/gtk2_ardour/luawindow.cc
index 4733bcbeec482ea1b3121781176ef0e7c70500f8..04e2e8c2405f27d0f2d06efd74bee0f0cac4c364 100644 (file)
--- a/gtk2_ardour/luawindow.cc
+++ b/gtk2_ardour/luawindow.cc
@@ -312,6 +312,7 @@ LuaWindow::append_text (std::string s)
        Glib::RefPtr<Gtk::TextBuffer> tb (outtext.get_buffer());
        tb->insert (tb->end(), s + "\n");
        scroll_to_bottom ();
+       Gtkmm2ext::UI::instance()->flush_pending (0.05);
 }
 
 void