New Route dialog: add fallback default selection

[ardour.git] / gtk2_ardour / mixer_ui.cc

diff --git a/gtk2_ardour/mixer_ui.cc b/gtk2_ardour/mixer_ui.cc
index b9b9eccacab8b0c1d5a22fe2b0f5b6d230023efc..c9cff7a7cdd31169d2a0063eda34852841edb19c 100644 (file)
--- a/gtk2_ardour/mixer_ui.cc
+++ b/gtk2_ardour/mixer_ui.cc
@@ -106,6 +106,7 @@ Mixer_UI::Mixer_UI ()
        , _monitor_section (0)
        , _plugin_selector (0)
        , _strip_width (UIConfiguration::instance().get_default_narrow_ms() ? Narrow : Wide)
+       , _spill_scroll_position (0)
        , ignore_reorder (false)
        , _in_group_rebuild_or_clear (false)
        , _route_deletion_in_progress (false)
@@ -1450,6 +1451,9 @@ Mixer_UI::redisplay_track_list ()
        if (ss) {
                boost::shared_ptr<VCA> sv = boost::dynamic_pointer_cast<VCA> (ss);
                if (sv) {
+                       if (_spill_scroll_position <= 0 && scroller.get_hscrollbar()) {
+                               _spill_scroll_position = scroller.get_hscrollbar()->get_adjustment()->get_value();
+                       }
                        spill_redisplay (sv);
                        return;
                }
@@ -1541,6 +1545,13 @@ Mixer_UI::redisplay_track_list ()
        }
 
        _group_tabs->set_dirty ();
+
+       if (_spill_scroll_position > 0 && scroller.get_hscrollbar()) {
+               Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+               adj->set_value (max (adj->get_lower(), min (adj->get_upper(), _spill_scroll_position)));
+       }
+       _spill_scroll_position = 0;
+
 }
 
 void
@@ -1698,10 +1709,10 @@ Mixer_UI::build_track_menu ()
        items.push_back (MenuElem (_("Hide All"), sigc::mem_fun(*this, &Mixer_UI::hide_all_routes)));
        items.push_back (MenuElem (_("Show All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiotracks)));
        items.push_back (MenuElem (_("Hide All Audio Tracks"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiotracks)));
-       items.push_back (MenuElem (_("Show All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
-       items.push_back (MenuElem (_("Hide All Audio Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
        items.push_back (MenuElem (_("Show All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::show_all_miditracks)));
        items.push_back (MenuElem (_("Hide All Midi Tracks"), sigc::mem_fun (*this, &Mixer_UI::hide_all_miditracks)));
+       items.push_back (MenuElem (_("Show All Busses"), sigc::mem_fun(*this, &Mixer_UI::show_all_audiobus)));
+       items.push_back (MenuElem (_("Hide All Busses"), sigc::mem_fun(*this, &Mixer_UI::hide_all_audiobus)));
 
 }