Fix latency-measurement port-name display

In case there are no pretty-names, a blank text was displayed

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index d7566efca739d5b7ef52e4bc5c0b5505ebb985ac..107e5bbf244878a70aea0337a962c381d27d8bd3 100644 (file)
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -754,7 +754,11 @@ EngineControl::enable_latency_tab ()
                Gtk::TreeModel::iterator iter = lm_output_channel_list->append ();
                Gtk::TreeModel::Row row = *iter;
                 row[lm_output_channel_cols.port_name] = *i;
-                row[lm_output_channel_cols.pretty_name] = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*i);
+                std::string pn = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*i);
+                if (pn.empty()) {
+                        pn = (*i).substr ((*i).find (':') + 1);
+                }
+                row[lm_output_channel_cols.pretty_name] = pn;
        }
        lm_output_channel_combo.set_active (0);
        lm_output_channel_combo.set_sensitive (true);
@@ -764,7 +768,11 @@ EngineControl::enable_latency_tab ()
                Gtk::TreeModel::iterator iter = lm_input_channel_list->append ();
                Gtk::TreeModel::Row row = *iter;
                 row[lm_input_channel_cols.port_name] = *i;
-                row[lm_input_channel_cols.pretty_name] = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*i);
+                std::string pn = ARDOUR::AudioEngine::instance()->get_pretty_name_by_name (*i);
+                if (pn.empty()) {
+                        pn = (*i).substr ((*i).find (':') + 1);
+                }
+                row[lm_input_channel_cols.pretty_name] = pn;
        }
        lm_input_channel_combo.set_active (0);
        lm_input_channel_combo.set_sensitive (true);