+ add_menu_items (_menu, g);
+
+ items.push_back (SeparatorElem());
+ items.push_back (MenuElem (_("Enable All Groups"), sigc::mem_fun(*this, &GroupTabs::activate_all)));
+ items.push_back (MenuElem (_("Disable All Groups"), sigc::mem_fun(*this, &GroupTabs::disable_all)));
+
+ return _menu;
+
+}
+
+void
+GroupTabs::new_from_selection ()
+{
+ RouteList rl = selected_routes ();
+ if (rl.empty()) {
+ return;
+ }
+
+ run_new_group_dialog (rl);
+}
+
+void
+GroupTabs::new_from_rec_enabled ()
+{
+ boost::shared_ptr<RouteList> rl = _session->get_routes ();
+
+ RouteList rec_enabled;
+
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ if ((*i)->record_enabled()) {
+ rec_enabled.push_back (*i);
+ }
+ }
+
+ if (rec_enabled.empty()) {
+ return;
+ }
+
+ run_new_group_dialog (rec_enabled);
+}
+
+void
+GroupTabs::new_from_soloed ()
+{
+ boost::shared_ptr<RouteList> rl = _session->get_routes ();
+
+ RouteList soloed;
+
+ for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
+ if (!(*i)->is_master() && (*i)->soloed()) {
+ soloed.push_back (*i);
+ }
+ }
+
+ if (soloed.empty()) {
+ return;
+ }
+
+ run_new_group_dialog (soloed);
+}
+
+void
+GroupTabs::run_new_group_dialog (RouteList const & rl)
+{
+ RouteGroup* g = new RouteGroup (*_session, "");
+ g->apply_changes (default_properties ());
+
+ RouteGroupDialog d (g, true);
+
+ if (d.do_run ()) {
+ delete g;
+ } else {
+ _session->add_route_group (g);
+ for (RouteList::const_iterator i = rl.begin(); i != rl.end(); ++i) {
+ g->add (*i);
+ }
+ }
+}
+
+RouteGroup *
+GroupTabs::create_and_add_group () const
+{
+ RouteGroup* g = new RouteGroup (*_session, "");
+
+ g->apply_changes (default_properties ());
+
+ RouteGroupDialog d (g, true);
+
+ if (d.do_run ()) {
+ delete g;
+ return 0;
+ }
+
+ _session->add_route_group (g);
+ return g;
+}
+
+void
+GroupTabs::edit_group (RouteGroup* g)
+{
+ RouteGroupDialog d (g, false);
+ d.do_run ();
+}
+
+void
+GroupTabs::subgroup (RouteGroup* g, bool aux, Placement placement)
+{
+ g->make_subgroup (aux, placement);
+}
+
+void
+GroupTabs::un_subgroup (RouteGroup* g)
+{
+ g->destroy_subgroup ();
+}
+
+struct CollectSorter {
+ bool operator () (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
+ return a->order_key () < b->order_key ();
+ }
+};
+
+struct OrderSorter {
+ bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
+ return a->order_key () < b->order_key ();
+ }
+};
+
+/** Collect all members of a RouteGroup so that they are together in the Editor or Mixer.
+ * @param g Group to collect.
+ */
+void
+GroupTabs::collect (RouteGroup* g)
+{
+ boost::shared_ptr<RouteList> group_routes = g->route_list ();
+ group_routes->sort (CollectSorter ());
+ int const N = group_routes->size ();
+
+ RouteList::iterator i = group_routes->begin ();
+ boost::shared_ptr<RouteList> routes = _session->get_routes ();
+ routes->sort (OrderSorter ());
+ RouteList::const_iterator j = routes->begin ();
+
+ int diff = 0;
+ int coll = -1;
+ while (i != group_routes->end() && j != routes->end()) {
+
+ int const k = (*j)->order_key ();
+
+ if (*i == *j) {
+
+ if (coll == -1) {
+ coll = k;
+ diff = N - 1;
+ } else {
+ --diff;
+ }
+
+ (*j)->set_order_key (coll);
+
+ ++coll;
+ ++i;
+
+ } else {
+
+ (*j)->set_order_key (k + diff);
+
+ }
+
+ ++j;
+ }
+
+ sync_order_keys ();
+}
+
+void
+GroupTabs::activate_all ()
+{
+ _session->foreach_route_group (
+ sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), true)
+ );
+}
+
+void
+GroupTabs::disable_all ()
+{
+ _session->foreach_route_group (
+ sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), false)
+ );
+}
+
+void
+GroupTabs::set_activation (RouteGroup* g, bool a)
+{
+ g->set_active (a, this);
+}
+
+void
+GroupTabs::remove_group (RouteGroup* g)
+{
+ _session->remove_route_group (*g);
+}
+
+/** Set the color of the tab of a route group */
+void
+GroupTabs::set_group_color (RouteGroup* group, uint32_t color)
+{
+ assert (group);
+ uint32_t r, g, b, a;
+
+ UINT_TO_RGBA (color, &r, &g, &b, &a);
+
+ /* Hack to disallow black route groups; force a dark grey instead */
+
+ if (r == 0 && g == 0 && b == 0) {
+ r = 25;
+ g = 25;
+ b = 25;
+ }
+
+ GUIObjectState& gui_state = *ARDOUR_UI::instance()->gui_object_state;
+
+ char buf[64];
+
+ /* for historical reasons the colors must be stored as 16 bit color
+ * values. Ugh.
+ */
+
+ snprintf (buf, sizeof (buf), "%d:%d:%d", (r<<8), (g<<8), (b<<8));
+ gui_state.set_property (group_gui_id (group), "color", buf);
+
+ /* the group color change notification */
+
+ PBD::PropertyChange change;
+ change.add (Properties::color);
+ group->PropertyChanged (change);
+
+ /* This is a bit of a hack, but this might change
+ our route's effective color, so emit gui_changed
+ for our routes.
+ */
+
+ emit_gui_changed_for_members (group);
+}
+
+/** @return the ID string to use for the GUI state of a route group */
+string
+GroupTabs::group_gui_id (RouteGroup* group)
+{
+ assert (group);
+
+ char buf[64];
+ snprintf (buf, sizeof (buf), "route_group %s", group->id().to_s().c_str ());
+
+ return buf;
+}
+
+/** @return the color to use for a route group tab */
+uint32_t
+GroupTabs::group_color (RouteGroup* group)
+{
+ assert (group);
+
+ GUIObjectState& gui_state = *ARDOUR_UI::instance()->gui_object_state;
+ string const gui_id = group_gui_id (group);
+ bool empty;
+ string const color = gui_state.get_string (gui_id, "color", &empty);
+
+ if (empty) {
+ /* no color has yet been set, so use a random one */
+ uint32_t c = gdk_color_to_rgba (unique_random_color (_used_colors));
+ set_group_color (group, c);
+ return c;
+ }
+
+ int r, g, b;
+
+ /* for historical reasons, colors are stored as 16 bit values.
+ */
+
+ sscanf (color.c_str(), "%d:%d:%d", &r, &g, &b);
+
+ r /= 256;
+ g /= 256;
+ b /= 256;
+
+ return RGBA_TO_UINT (r, g, b, 255);
+}
+
+void
+GroupTabs::route_group_property_changed (RouteGroup* rg)
+{
+ /* This is a bit of a hack, but this might change
+ our route's effective color, so emit gui_changed
+ for our routes.
+ */
+
+ emit_gui_changed_for_members (rg);
+
+ set_dirty ();
+}
+
+void
+GroupTabs::route_added_to_route_group (RouteGroup*, boost::weak_ptr<Route> w)
+{
+ /* Similarly-spirited hack as in route_group_property_changed */
+
+ boost::shared_ptr<Route> r = w.lock ();
+ if (!r) {
+ return;
+ }
+
+ r->gui_changed (X_("color"), 0);
+
+ set_dirty ();