update midi channel button display when mode changes

diff --git a/gtk2_ardour/midi_channel_selector.cc b/gtk2_ardour/midi_channel_selector.cc
index 40ab9683587626b05d889a69d2e0c24a6286aa34..d76a5d5ff22aacd97e458f4efc62ee2fad8d4ec8 100644 (file)
--- a/gtk2_ardour/midi_channel_selector.cc
+++ b/gtk2_ardour/midi_channel_selector.cc
@@ -650,6 +650,8 @@ MidiChannelSelectorWindow::playback_mode_changed ()
                }
        }
 
+       playback_mask_changed(); // update buttons
+
        last_drawn_playback_mode = mode;
 }
 
@@ -748,6 +750,8 @@ MidiChannelSelectorWindow::capture_mode_changed ()
                }
        }
 
+       capture_mask_changed (); // udpate buttons
+
        last_drawn_capture_mode = mode;
 }