reset latency dialog every time.

diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc
index 58423892449455f31bf28a29f27c41aa5df21de7..becc138b9e5afaa4ffde65de131e27d886bf82e5 100644 (file)
--- a/gtk2_ardour/engine_dialog.cc
+++ b/gtk2_ardour/engine_dialog.cc
@@ -1806,6 +1806,7 @@ EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
 
        } else {
                if (lm_running) {
+                       end_latency_detection ();
                        ARDOUR::AudioEngine::instance()->stop_latency_detection();
                }
        }
@@ -2067,7 +2068,10 @@ EngineControl::connect_disconnect_click()
 void
 EngineControl::calibrate_audio_latency ()
 {
-       _measure_midi.reset();
+       _measure_midi.reset ();
+       have_lm_results = false;
+       lm_use_button.set_sensitive (false);
+       lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
        notebook.set_current_page (latency_tab);
 }
 
@@ -2075,6 +2079,9 @@ void
 EngineControl::calibrate_midi_latency (MidiDeviceSettings s)
 {
        _measure_midi = s;
+       have_lm_results = false;
+       lm_use_button.set_sensitive (false);
+       lm_results.set_markup (string_compose (results_markup, _("No measurement results yet")));
        notebook.set_current_page (latency_tab);
 }