when a Route is removed, don't bother triggering a sync-presentation-info-from-treevi...
[ardour.git] / gtk2_ardour / mixer_ui.cc
index 857af7fc142c93a7106a6af1d86d355100a7f087..b70ceef37db5e21be034c4e94717c9a6836c97a5 100644 (file)
@@ -48,6 +48,7 @@
 #include "ardour/midi_track.h"
 #include "ardour/plugin_manager.h"
 #include "ardour/route_group.h"
+#include "ardour/selection.h"
 #include "ardour/session.h"
 #include "ardour/vca.h"
 #include "ardour/vca_manager.h"
@@ -107,16 +108,16 @@ Mixer_UI::Mixer_UI ()
        , ignore_reorder (false)
         , _in_group_rebuild_or_clear (false)
         , _route_deletion_in_progress (false)
-       , _following_editor_selection (false)
        , _maximised (false)
        , _show_mixer_list (true)
        , myactions (X_("mixer"))
+       , _selection (*this, *this)
 {
        register_actions ();
        load_bindings ();
        _content.set_data ("ardour-bindings", bindings);
 
-       PresentationInfo::Change.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::sync_treeview_from_presentation_info, this), gui_context());
+       PresentationInfo::Change.connect (*this, invalidator (*this), boost::bind (&Mixer_UI::presentation_info_changed, this, _1), gui_context());
 
        scroller.set_can_default (true);
        // set_default (scroller);
@@ -142,6 +143,7 @@ Mixer_UI::Mixer_UI ()
        b->pack_start (*_group_tabs, PACK_SHRINK);
        b->pack_start (strip_packer);
        b->show_all ();
+       b->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
 
        scroller.add (*b);
        scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
@@ -253,15 +255,7 @@ Mixer_UI::Mixer_UI ()
 
        list_vpacker.pack_start (rhs_pane2, true, true);
 
-       string vca_text = _("Control Masters");
-       vca_label.set_text (vca_text);
        vca_label_bar.set_size_request (-1, 16 + 1); /* must match height in GroupTabs::set_size_request()  + 1 border px*/
-
-#ifndef MIXBUS
-       vca_label_bar.set_name (X_("VCALabelBar"));
-       vca_label_bar.add (vca_label);
-#endif
-
        vca_vpacker.pack_start (vca_label_bar, false, false);
 
        vca_scroller_base.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
@@ -284,35 +278,34 @@ Mixer_UI::Mixer_UI ()
        list_hpane.set_check_divider_position (true);
        list_hpane.add (list_vpacker);
        list_hpane.add (global_hpacker);
+       list_hpane.set_child_minsize (list_vpacker, 1);
 
 
        XMLNode const * settings = ARDOUR_UI::instance()->mixer_settings();
-       XMLProperty const * prop;
        float fract;
 
        {
                LocaleGuard lg;
 
-               if (!settings || ((prop = settings->property ("mixer-rhs-pane1-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
-                       rhs_pane1.set_divider (0, 0.6f);
-               } else {
-                       rhs_pane1.set_divider (0, fract);
+               if (!settings || !settings->get_property ("mixer-rhs-pane1-pos", fract) || fract  > 1.0) {
+                       fract = 0.6f;
                }
-               if (!settings || ((prop = settings->property ("mixer-rhs-pane2-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
-                       rhs_pane2.set_divider (0, 0.7f);
-               } else {
-                       rhs_pane2.set_divider (0, fract);
+               rhs_pane1.set_divider (0, fract);
+
+               if (!settings || !settings->get_property ("mixer-rhs-pane2-pos", fract) || fract > 1.0) {
+                       fract = 0.7f;
                }
-               if (!settings || ((prop = settings->property ("mixer-list-hpane-pos")) == 0) || ((fract = atof (prop->value())) > 1.0)) {
-                       list_hpane.set_divider (0, 0.2f);
-               } else {
-                       list_hpane.set_divider (0, fract);
+               rhs_pane2.set_divider (0, fract);
+
+               if (!settings || !settings->get_property ("mixer-list-hpane-pos", fract) || fract > 1.0) {
+                       fract = 0.2f;
                }
-               if (!settings || ((prop = settings->property ("mixer-inner-pane-pos")) == 0)  || ((fract = atof (prop->value())) > 1.0)) {
-                       inner_pane.set_divider (0, 0.8f);
-               } else {
-                       inner_pane.set_divider (0, atof (prop->value()));
+               list_hpane.set_divider (0, fract);
+
+               if (!settings || !settings->get_property ("mixer-inner-pane-pos", fract) || fract > 1.0) {
+                       fract = 0.8f;
                }
+               inner_pane.set_divider (0, fract);
        }
 
        rhs_pane1.set_drag_cursor (*PublicEditor::instance().cursors()->expand_up_down);
@@ -382,6 +375,7 @@ Mixer_UI::~Mixer_UI ()
                delete _monitor_section;
        }
        delete _plugin_selector;
+       delete track_menu;
 }
 
 void
@@ -390,12 +384,6 @@ Mixer_UI::escape ()
        select_none ();
 }
 
-void
-Mixer_UI::track_editor_selection ()
-{
-       PublicEditor::instance().get_selection().TracksChanged.connect (sigc::mem_fun (*this, &Mixer_UI::follow_editor_selection));
-}
-
 Gtk::Window*
 Mixer_UI::use_own_window (bool and_fill_it)
 {
@@ -403,14 +391,16 @@ Mixer_UI::use_own_window (bool and_fill_it)
 
        Gtk::Window* win = Tabbable::use_own_window (and_fill_it);
 
-
        if (win && new_window) {
                win->set_name ("MixerWindow");
                ARDOUR_UI::instance()->setup_toplevel_window (*win, _("Mixer"), this);
-               win->signal_scroll_event().connect (sigc::mem_fun (*this, &Mixer_UI::on_scroll_event), false);
                win->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), win));
                win->set_data ("ardour-bindings", bindings);
                update_title ();
+               if (!win->get_focus()) {
+                       /* set focus widget to something, anything */
+                       win->set_focus (scroller);
+               }
        }
 
        return win;
@@ -527,7 +517,6 @@ Mixer_UI::add_stripables (StripableList& slist)
 
        MixerStrip* strip;
 
-
        try {
                PBD::Unwinder<bool> uw (no_track_list_redisplay, true);
 
@@ -604,10 +593,6 @@ Mixer_UI::add_stripables (StripableList& slist)
                                        row[stripable_columns.stripable] = route;
                                        row[stripable_columns.strip] = strip;
 
-                                       if (nroutes != 0) {
-                                               _selection.add (strip);
-                                       }
-
                                } else {
 
                                        out_packer.pack_start (*strip, false, false);
@@ -628,6 +613,9 @@ Mixer_UI::add_stripables (StripableList& slist)
 
        track_display.set_model (track_model);
 
+       /* catch up on selection state, which we left to the editor to set */
+       sync_treeview_from_presentation_info (PropertyChange (Properties::selected));
+
        if (!from_scratch) {
                sync_presentation_info_from_treeview ();
        }
@@ -694,6 +682,21 @@ Mixer_UI::remove_strip (MixerStrip* strip)
        }
 }
 
+void
+Mixer_UI::presentation_info_changed (PropertyChange const & what_changed)
+{
+       _selection.presentation_info_changed (what_changed);
+
+       PropertyChange soh;
+       soh.add (Properties::selected);
+       soh.add (Properties::order);
+       soh.add (Properties::hidden);
+
+       if (what_changed.contains (soh)) {
+               sync_treeview_from_presentation_info (what_changed);
+       }
+}
+
 void
 Mixer_UI::sync_presentation_info_from_treeview ()
 {
@@ -713,11 +716,16 @@ Mixer_UI::sync_presentation_info_from_treeview ()
        bool change = false;
        uint32_t order = 0;
 
+       OrderingKeys sorted;
+       const size_t cmp_max = rows.size ();
+
        // special case master if it's got PI order 0 lets keep it there
        if (_session->master_out() && (_session->master_out()->presentation_info().order() == 0)) {
                order++;
        }
 
+       PresentationInfo::ChangeSuspender cs;
+
        for (ri = rows.begin(); ri != rows.end(); ++ri) {
                bool visible = (*ri)[stripable_columns.visible];
                boost::shared_ptr<Stripable> stripable = (*ri)[stripable_columns.stripable];
@@ -746,22 +754,50 @@ Mixer_UI::sync_presentation_info_from_treeview ()
                }
 
                if (order != stripable->presentation_info().order()) {
-                       stripable->set_presentation_order (order, false);
+                       stripable->set_presentation_order (order);
                        change = true;
                }
 
+               sorted.push_back (OrderKeys (order, stripable, cmp_max));
+
                ++order;
        }
 
+       if (!change) {
+               // VCA (and Mixbus) special cases according to SortByNewDisplayOrder
+               uint32_t n = 0;
+               SortByNewDisplayOrder cmp;
+               sort (sorted.begin(), sorted.end(), cmp);
+               for (OrderingKeys::iterator sr = sorted.begin(); sr != sorted.end(); ++sr, ++n) {
+                       if (_session->master_out() && (_session->master_out()->presentation_info().order() == n)) {
+                               ++n;
+                       }
+                       if (sr->old_display_order != n) {
+                               change = true;
+                               break;
+                       }
+               }
+               if (change) {
+                       n = 0;
+                       for (OrderingKeys::iterator sr = sorted.begin(); sr != sorted.end(); ++sr, ++n) {
+                               if (_session->master_out() && (_session->master_out()->presentation_info().order() == n)) {
+                                       ++n;
+                               }
+                               if (sr->stripable->presentation_info().order() != n) {
+                                       sr->stripable->set_presentation_order (n);
+                               }
+                       }
+               }
+       }
+
        if (change) {
                DEBUG_TRACE (DEBUG::OrderKeys, "... notify PI change from mixer GUI\n");
-               _session->notify_presentation_info_change ();
                _session->set_dirty();
        }
 }
 
 void
-Mixer_UI::sync_treeview_from_presentation_info ()
+Mixer_UI::sync_treeview_from_presentation_info (PropertyChange const & what_changed)
 {
        if (!_session || _session->deletion_in_progress()) {
                return;
@@ -784,10 +820,11 @@ Mixer_UI::sync_treeview_from_presentation_info ()
        }
 
        OrderingKeys sorted;
+       const size_t cmp_max = rows.size ();
 
        for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri, ++old_order) {
                boost::shared_ptr<Stripable> stripable = (*ri)[stripable_columns.stripable];
-               sorted.push_back (OrderKeys (old_order, stripable->presentation_info().order()));
+               sorted.push_back (OrderKeys (old_order, stripable, cmp_max));
        }
 
        SortByNewDisplayOrder cmp;
@@ -811,35 +848,25 @@ Mixer_UI::sync_treeview_from_presentation_info ()
                track_model->reorder (neworder);
        }
 
-       redisplay_track_list ();
-}
+       if (what_changed.contains (Properties::selected)) {
 
-void
-Mixer_UI::follow_editor_selection ()
-{
-       if (_following_editor_selection) {
-               return;
-       }
-
-       _following_editor_selection = true;
-       _selection.block_routes_changed (true);
+               PresentationInfo::ChangeSuspender cs;
 
-       TrackSelection& s (PublicEditor::instance().get_selection().tracks);
-
-       _selection.clear_routes ();
-
-       for (TrackViewList::iterator i = s.begin(); i != s.end(); ++i) {
-               TimeAxisView* tav = dynamic_cast<TimeAxisView*> (*i);
-               if (tav) {
-                       AxisView* axis = axis_by_stripable (tav->stripable());
-                       if (axis) {
-                               _selection.add (axis);
+               for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
+                       boost::shared_ptr<Stripable> stripable = (*i)->stripable();
+                       if (stripable && stripable->is_selected()) {
+                               _selection.add (*i);
+                       } else {
+                               _selection.remove (*i);
                        }
                }
+
+               if (!_selection.axes.empty() && !PublicEditor::instance().track_selection_change_without_scroll ()) {
+                       move_stripable_into_view ((*_selection.axes.begin())->stripable());
+               }
        }
 
-       _following_editor_selection = false;
-       _selection.block_routes_changed (false);
+       redisplay_track_list ();
 }
 
 
@@ -855,8 +882,20 @@ Mixer_UI::strip_by_route (boost::shared_ptr<Route> r) const
        return 0;
 }
 
+MixerStrip*
+Mixer_UI::strip_by_stripable (boost::shared_ptr<Stripable> s) const
+{
+       for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
+               if ((*i)->stripable() == s) {
+                       return (*i);
+               }
+       }
+
+       return 0;
+}
+
 AxisView*
-Mixer_UI::axis_by_stripable (boost::shared_ptr<Stripable> s) const
+Mixer_UI::axis_view_by_stripable (boost::shared_ptr<Stripable> s) const
 {
        for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
                if ((*i)->stripable() == s) {
@@ -867,6 +906,18 @@ Mixer_UI::axis_by_stripable (boost::shared_ptr<Stripable> s) const
        return 0;
 }
 
+AxisView*
+Mixer_UI::axis_view_by_control (boost::shared_ptr<AutomationControl> c) const
+{
+       for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
+               if ((*i)->control() == c) {
+                       return (*i);
+               }
+       }
+
+       return 0;
+}
+
 bool
 Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 {
@@ -890,10 +941,19 @@ Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
                                bool accumulate = false;
                                bool found_another = false;
 
-                               tmp.push_back (strip);
-
+                               OrderingKeys sorted;
+                               const size_t cmp_max = strips.size ();
                                for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
-                                       if ((*i) == strip) {
+                                       sorted.push_back (OrderKeys (-1, (*i)->stripable(), cmp_max));
+                               }
+                               SortByNewDisplayOrder cmp;
+                               sort (sorted.begin(), sorted.end(), cmp);
+
+                               for (OrderingKeys::iterator sr = sorted.begin(); sr != sorted.end(); ++sr) {
+                                       MixerStrip* ms = strip_by_stripable (sr->stripable);
+                                       assert (ms);
+
+                                       if (ms == strip) {
                                                /* hit clicked strip, start accumulating till we hit the first
                                                   selected strip
                                                */
@@ -903,7 +963,7 @@ Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
                                                } else {
                                                        accumulate = true;
                                                }
-                                       } else if (_selection.selected (*i)) {
+                                       } else if (_selection.selected (ms)) {
                                                /* hit selected strip. if currently accumulating others,
                                                   we're done. if not accumulating others, start doing so.
                                                */
@@ -916,17 +976,21 @@ Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
                                                }
                                        } else {
                                                if (accumulate) {
-                                                       tmp.push_back (*i);
+                                                       tmp.push_back (ms);
                                                }
                                        }
                                }
 
+                               tmp.push_back (strip);
+
                                if (found_another) {
+                                       PresentationInfo::ChangeSuspender cs;
                                        for (vector<MixerStrip*>::iterator i = tmp.begin(); i != tmp.end(); ++i) {
                                                _selection.add (*i);
                                        }
-                               } else
+                               } else {
                                        _selection.set (strip);  //user wants to start a range selection, but there aren't any others selected yet
+                               }
                        } else {
                                _selection.set (strip);
                        }
@@ -952,6 +1016,7 @@ Mixer_UI::set_session (Session* sess)
        }
 
        if (!_session) {
+               _selection.clear ();
                return;
        }
 
@@ -981,6 +1046,13 @@ Mixer_UI::set_session (Session* sess)
        if (_visible) {
                show_window();
        }
+
+       /* catch up on selection state, etc. */
+
+       PropertyChange sc;
+       sc.add (Properties::selected);
+       _selection.presentation_info_changed (sc);
+
        start_updating ();
 }
 
@@ -1294,6 +1366,7 @@ Mixer_UI::spill_redisplay (boost::shared_ptr<VCA> vca)
 
                AxisView* av = (*i)[stripable_columns.strip];
                MixerStrip* strip = dynamic_cast<MixerStrip*> (av);
+               bool const visible = (*i)[stripable_columns.visible];
 
                if (!strip) {
                        /* we're in the middle of changing a row, don't worry */
@@ -1317,7 +1390,7 @@ Mixer_UI::spill_redisplay (boost::shared_ptr<VCA> vca)
                        }
                }
 
-               if (slaved) {
+               if (slaved && visible) {
 
                        if (strip->packed()) {
                                strip_packer.reorder_child (*strip, -1); /* put at end */
@@ -1343,11 +1416,13 @@ Mixer_UI::redisplay_track_list ()
                return;
        }
 
-       boost::shared_ptr<VCA> sv = spilled_vca.lock ();
-
-       if (sv) {
-               spill_redisplay (sv);
-               return;
+       boost::shared_ptr<Stripable> ss = spilled_strip.lock ();
+       if (ss) {
+               boost::shared_ptr<VCA> sv = boost::dynamic_pointer_cast<VCA> (ss);
+               if (sv) {
+                       spill_redisplay (sv);
+                       return;
+               }
        }
 
        TreeModel::Children rows = track_model->children();
@@ -1492,24 +1567,17 @@ Mixer_UI::initial_track_display ()
                add_stripables (sl);
        }
 
-       redisplay_track_list ();
-}
-
-void
-Mixer_UI::show_track_list_menu ()
-{
-       if (track_menu == 0) {
-               build_track_menu ();
-       }
-
-       track_menu->popup (1, gtk_get_current_event_time());
+       sync_treeview_from_presentation_info (Properties::order);
 }
 
 bool
 Mixer_UI::track_display_button_press (GdkEventButton* ev)
 {
        if (Keyboard::is_context_menu_event (ev)) {
-               show_track_list_menu ();
+               if (track_menu == 0) {
+                       build_track_menu ();
+               }
+               track_menu->popup (ev->button, ev->time);
                return true;
        }
        if ((ev->type == GDK_BUTTON_PRESS) && (ev->button == 1)) {
@@ -1544,11 +1612,13 @@ Mixer_UI::move_stripable_into_view (boost::shared_ptr<ARDOUR::Stripable> s)
 #endif
        bool found = false;
        int x0 = 0;
+       Gtk::Allocation alloc;
        for (list<MixerStrip *>::const_iterator i = strips.begin(); i != strips.end(); ++i) {
                if ((*i)->route() == s) {
                        int y;
                        found = true;
                        (*i)->translate_coordinates (strip_packer, 0, 0, x0, y);
+                       alloc = (*i)->get_allocation ();
                        break;
                }
        }
@@ -1557,7 +1627,13 @@ Mixer_UI::move_stripable_into_view (boost::shared_ptr<ARDOUR::Stripable> s)
        }
 
        Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
-       scroller.get_hscrollbar()->set_value (max (adj->get_lower(), min (adj->get_upper(), x0 - 1.0)));
+
+       if (x0 < adj->get_value()) {
+               adj->set_value (max (adj->get_lower(), min (adj->get_upper(), (double) x0)));
+       } else if (x0 + alloc.get_width() >= adj->get_value() + adj->get_page_size()) {
+               int x1 = x0 + alloc.get_width() - adj->get_page_size();
+               adj->set_value (max (adj->get_lower(), min (adj->get_upper(), (double) x1)));
+       }
 }
 
 void
@@ -1627,13 +1703,17 @@ Mixer_UI::group_display_button_press (GdkEventButton* ev)
        int celly;
 
        if (!group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
-               _group_tabs->get_menu(0)->popup (1, ev->time);
+               if (ev->button == 3) {
+                       _group_tabs->get_menu(0)->popup (ev->button, ev->time);
+               }
                return true;
        }
 
        TreeIter iter = group_model->get_iter (path);
        if (!iter) {
-               _group_tabs->get_menu(0)->popup (1, ev->time);
+               if (ev->button == 3) {
+                       _group_tabs->get_menu(0)->popup (ev->button, ev->time);
+               }
                return true;
        }
 
@@ -2011,27 +2091,22 @@ private:
 int
 Mixer_UI::set_state (const XMLNode& node, int version)
 {
-       XMLProperty const * prop;
        LocaleGuard lg;
+       bool yn;
 
        Tabbable::set_state (node, version);
 
-       if ((prop = node.property ("narrow-strips"))) {
-               if (string_is_affirmative (prop->value())) {
+       if (node.get_property ("narrow-strips", yn)) {
+               if (yn) {
                        set_strip_width (Narrow);
                } else {
                        set_strip_width (Wide);
                }
        }
 
-       if ((prop = node.property ("show-mixer"))) {
-               if (string_is_affirmative (prop->value())) {
-                      _visible = true;
-               }
-       }
+       node.get_property ("show-mixer", _visible);
 
-       if ((prop = node.property ("maximised"))) {
-               bool yn = string_is_affirmative (prop->value());
+       if (node.get_property ("maximised", yn)) {
                Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMaximalMixer"));
                assert (act);
                Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
@@ -2041,8 +2116,7 @@ Mixer_UI::set_state (const XMLNode& node, int version)
                }
        }
 
-       if ((prop = node.property ("show-mixer-list"))) {
-               bool yn = string_is_affirmative (prop->value());
+       if (node.get_property ("show-mixer-list", yn)) {
                Glib::RefPtr<Action> act = ActionManager::get_action (X_("Common"), X_("ToggleMixerList"));
                assert (act);
                Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
@@ -2060,11 +2134,11 @@ Mixer_UI::set_state (const XMLNode& node, int version)
                const XMLNodeList& kids = plugin_order->children("PluginInfo");
                XMLNodeConstIterator i;
                for (i = kids.begin(); i != kids.end(); ++i) {
-                       if ((prop = (*i)->property ("unique-id"))) {
-                               std::string unique_id = prop->value();
+                       std::string unique_id;
+                       if ((*i)->get_property ("unique-id", unique_id)) {
                                order.push_back (unique_id);
-                               if ((prop = (*i)->property ("expanded"))) {
-                                       favorite_ui_state[unique_id] = string_is_affirmative (prop->value());
+                               if ((*i)->get_property ("expanded", yn)) {
+                                       favorite_ui_state[unique_id] = yn;
                                }
                        }
                }
@@ -2079,34 +2153,29 @@ XMLNode&
 Mixer_UI::get_state ()
 {
        XMLNode* node = new XMLNode (X_("Mixer"));
-       char buf[128];
        LocaleGuard lg;
 
        node->add_child_nocopy (Tabbable::get_state());
 
-       snprintf(buf,sizeof(buf), "%f", rhs_pane1.get_divider());
-       node->add_property(X_("mixer-rhs-pane1-pos"), string(buf));
-       snprintf(buf,sizeof(buf), "%f", rhs_pane2.get_divider());
-       node->add_property(X_("mixer-rhs_pane2-pos"), string(buf));
-       snprintf(buf,sizeof(buf), "%f", list_hpane.get_divider());
-       node->add_property(X_("mixer-list-hpane-pos"), string(buf));
-       snprintf(buf,sizeof(buf), "%f", inner_pane.get_divider());
-       node->add_property(X_("mixer-inner-pane-pos"), string(buf));
+       node->set_property (X_("mixer-rhs-pane1-pos"), rhs_pane1.get_divider());
+       node->set_property (X_("mixer-rhs_pane2-pos"), rhs_pane2.get_divider());
+       node->set_property (X_("mixer-list-hpane-pos"), list_hpane.get_divider());
+       node->set_property (X_("mixer-inner-pane-pos"),  inner_pane.get_divider());
 
-       node->add_property ("narrow-strips", _strip_width == Narrow ? "yes" : "no");
-       node->add_property ("show-mixer", _visible ? "yes" : "no");
-       node->add_property ("show-mixer-list", _show_mixer_list ? "yes" : "no");
-       node->add_property ("maximised", _maximised ? "yes" : "no");
+       node->set_property ("narrow-strips", (_strip_width == Narrow));
+       node->set_property ("show-mixer", _visible);
+       node->set_property ("show-mixer-list", _show_mixer_list);
+       node->set_property ("maximised", _maximised);
 
        store_current_favorite_order ();
        XMLNode* plugin_order = new XMLNode ("PluginOrder");
-       int cnt = 0;
+       uint32_t cnt = 0;
        for (PluginInfoList::const_iterator i = favorite_order.begin(); i != favorite_order.end(); ++i, ++cnt) {
                XMLNode* p = new XMLNode ("PluginInfo");
-               p->add_property ("sort", cnt);
-               p->add_property ("unique-id", (*i)->unique_id);
+               p->set_property ("sort", cnt);
+               p->set_property ("unique-id", (*i)->unique_id);
                if (favorite_ui_state.find ((*i)->unique_id) != favorite_ui_state.end ()) {
-                       p->add_property ("expanded", favorite_ui_state[(*i)->unique_id]);
+                       p->set_property ("expanded", favorite_ui_state[(*i)->unique_id]);
                }
                plugin_order->add_child_nocopy (*p);
        }
@@ -2818,13 +2887,13 @@ Mixer_UI::do_vca_unassign (boost::shared_ptr<VCA> vca)
 }
 
 void
-Mixer_UI::show_vca_slaves (boost::shared_ptr<VCA> vca)
+Mixer_UI::show_spill (boost::shared_ptr<Stripable> s)
 {
-       boost::shared_ptr<VCA> v = spilled_vca.lock();
-       if (v != vca) {
-               spilled_vca = vca;
-               show_vca_change (vca); /* EMIT SIGNAL */
-               if (vca) {
+       boost::shared_ptr<Stripable> ss = spilled_strip.lock();
+       if (ss != s) {
+               spilled_strip = s;
+               show_spill_change (s); /* EMIT SIGNAL */
+               if (s) {
                        _group_tabs->hide ();
                } else {
                        _group_tabs->show ();
@@ -2834,9 +2903,15 @@ Mixer_UI::show_vca_slaves (boost::shared_ptr<VCA> vca)
 }
 
 bool
-Mixer_UI::showing_vca_slaves_for (boost::shared_ptr<VCA> vca) const
+Mixer_UI::showing_spill_for (boost::shared_ptr<Stripable> s) const
+{
+       return s == spilled_strip.lock();
+}
+
+void
+Mixer_UI::show_editor_window () const
 {
-       return vca == spilled_vca.lock();
+       PublicEditor::instance().make_visible ();
 }
 
 void
@@ -2844,6 +2919,8 @@ Mixer_UI::register_actions ()
 {
        Glib::RefPtr<ActionGroup> group = myactions.create_action_group (X_("Mixer"));
 
+       myactions.register_action (group, "show-editor", _("Show Editor"), sigc::mem_fun (*this, &Mixer_UI::show_editor_window));
+
        myactions.register_action (group, "solo", _("Toggle Solo on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::solo_action));
        myactions.register_action (group, "mute", _("Toggle Mute on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::mute_action));
        myactions.register_action (group, "recenable", _("Toggle Rec-enable on Mixer-Selected Tracks/Busses"), sigc::mem_fun (*this, &Mixer_UI::rec_enable_action));
@@ -3038,26 +3115,22 @@ void
 Mixer_UI::vca_assign (boost::shared_ptr<VCA> vca)
 {
        set_axis_targets_for_operation ();
-#if 0
        BOOST_FOREACH(AxisView* r, _axis_targets) {
                MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
                if (ms) {
                        ms->vca_assign (vca);
                }
        }
-#endif
 }
 
 void
 Mixer_UI::vca_unassign (boost::shared_ptr<VCA> vca)
 {
        set_axis_targets_for_operation ();
-#if 0
        BOOST_FOREACH(AxisView* r, _axis_targets) {
                MixerStrip* ms = dynamic_cast<MixerStrip*> (r);
                if (ms) {
                        ms->vca_unassign (vca);
                }
        }
-#endif
 }