drastic, deep and wide changes to make RouteGroup use boost::shared_ptr<Route> and...
[ardour.git] / gtk2_ardour / mixer_strip.cc
index 7d6257bbd0006d85e2b84496a84bd06836b4abf5..22b39c1a298dabe16c13ad386bcb2b203367e8e4 100644 (file)
@@ -37,6 +37,7 @@
 #include "ardour/amp.h"
 #include "ardour/session.h"
 #include "ardour/audioengine.h"
+#include "ardour/internal_send.h"
 #include "ardour/route.h"
 #include "ardour/route_group.h"
 #include "ardour/audio_track.h"
@@ -74,45 +75,44 @@ sigc::signal<void,boost::shared_ptr<Route> > MixerStrip::SwitchIO;
 int MixerStrip::scrollbar_height = 0;
 
 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, bool in_mixer)
-       : AxisView(sess)
+       : AxisView(sess)
        , RouteUI (sess)
        ,_mixer(mx)
        , _mixer_owned (in_mixer)
-       , processor_box (sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
-       , gpm (sess)
+       , processor_box (sess, sigc::mem_fun(*this, &MixerStrip::plugin_selector), mx.selection(), this, in_mixer)
+       , gpm (sess, 250)
        , panners (sess)
+       , _mono_button (_("Mono"))
        , button_table (3, 2)
        , middle_button_table (1, 2)
-       , bottom_button_table (1, 2)
+       , bottom_button_table (1, 2)
        , meter_point_label (_("pre"))
-       , comment_button (_("Comments"))
-                        
+       , comment_button (_("Comments"))
 {
        init ();
-       
+
        if (!_mixer_owned) {
                /* the editor mixer strip: don't destroy it every time
                   the underlying route goes away.
                */
-               
+
                self_destruct = false;
        }
 }
 
 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
-       : AxisView(sess)
+       : AxisView(sess)
        , RouteUI (sess)
        ,_mixer(mx)
        , _mixer_owned (in_mixer)
-       , processor_box (sess, mx.plugin_selector(), mx.selection(), this, in_mixer)
-       , gpm (sess)
+       , processor_box (sess, sigc::mem_fun(*this, &MixerStrip::plugin_selector), mx.selection(), this, in_mixer)
+       , gpm (sess, 250)
        , panners (sess)
        , button_table (3, 2)
        , middle_button_table (1, 2)
-       , bottom_button_table (1, 2)
+       , bottom_button_table (1, 2)
        , meter_point_label (_("pre"))
-       , comment_button (_("Comments"))
-                        
+       , comment_button (_("Comments"))
 {
        init ();
        set_button_names ();
@@ -134,6 +134,9 @@ MixerStrip::init ()
        _width_owner = 0;
        spacer = 0;
 
+       /* the length of this string determines the width of the mixer strip when it is set to `wide' */
+       longest_label = "longest label";
+
        Gtk::Image* img;
 
        img = manage (new Gtk::Image (::get_icon("strip_width")));
@@ -151,27 +154,28 @@ MixerStrip::init ()
        input_button.add (input_label);
        input_button.set_name ("MixerIOButton");
        input_label.set_name ("MixerIOButtonLabel");
-       Gtkmm2ext::set_size_request_to_display_given_text (input_button, "longest label", 4, 4);
+
+       Gtkmm2ext::set_size_request_to_display_given_text (input_button, longest_label.c_str(), 4, 4);
 
        output_label.set_text (_("Output"));
        ARDOUR_UI::instance()->set_tip (&output_button, _("Button 1 to choose outputs from a port matrix, button 3 to select inputs from a menu"), "");
        output_button.add (output_label);
        output_button.set_name ("MixerIOButton");
        output_label.set_name ("MixerIOButtonLabel");
-       Gtkmm2ext::set_size_request_to_display_given_text (output_button, "longest label", 4, 4);
+       Gtkmm2ext::set_size_request_to_display_given_text (output_button, longest_label.c_str(), 4, 4);
 
        ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Select metering point"), "");
        meter_point_button.add (meter_point_label);
        meter_point_button.set_name ("MixerStripMeterPreButton");
        meter_point_label.set_name ("MixerStripMeterPreButton");
-       
+
        /* TRANSLATORS: this string should be longest of the strings
           used to describe meter points. In english, it's "input".
        */
        set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
-    
+
        bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
-    
+
        meter_point_button.signal_button_press_event().connect (mem_fun (gpm, &GainMeter::meter_press), false);
        meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 
@@ -194,10 +198,10 @@ MixerStrip::init ()
        bottom_button_table.set_col_spacings (0);
        bottom_button_table.set_homogeneous (true);
        bottom_button_table.attach (group_button, 0, 1, 0, 1);
-       
+
        name_button.add (name_label);
        name_button.set_name ("MixerNameButton");
-       Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
+       Gtkmm2ext::set_size_request_to_display_given_text (name_button, longest_label.c_str(), 2, 2);
 
        name_label.set_name ("MixerNameButtonLabel");
        ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
@@ -208,7 +212,7 @@ MixerStrip::init ()
        comment_button.set_name ("MixerCommentButton");
 
        comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
-       
+
        global_vpacker.set_border_width (0);
        global_vpacker.set_spacing (0);
 
@@ -236,6 +240,7 @@ MixerStrip::init ()
        if (!is_midi_track()) {
                global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
        }
+       global_vpacker.pack_start (_mono_button, Gtk::PACK_SHRINK);
        global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
        global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 
@@ -302,9 +307,8 @@ MixerStrip::init ()
                    Gdk::KEY_RELEASE_MASK);
 
        set_flags (get_flags() | Gtk::CAN_FOCUS);
-       
+
        SwitchIO.connect (mem_fun (*this, &MixerStrip::switch_io));
-       
 }
 
 MixerStrip::~MixerStrip ()
@@ -313,6 +317,7 @@ MixerStrip::~MixerStrip ()
 
        delete input_selector;
        delete output_selector;
+       delete comment_window;
 }
 
 void
@@ -334,16 +339,8 @@ MixerStrip::set_route (boost::shared_ptr<Route> rt)
        delete output_selector;
        output_selector = 0;
 
-       boost::shared_ptr<Send> send;
-
-       if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
-               send->set_metering (false);
-       }
-
-       _current_delivery = _route->main_outs ();
+       revert_to_default_display ();
 
-       panners.set_panner (rt->main_outs()->panner());
-       gpm.set_controls (rt, rt->shared_peak_meter(), rt->amp());
        processor_box.set_route (rt);
 
        if (set_color_from_route()) {
@@ -351,7 +348,7 @@ MixerStrip::set_route (boost::shared_ptr<Route> rt)
        }
 
        if (_mixer_owned && (route()->is_master() || route()->is_control())) {
-               
+
                if (scrollbar_height == 0) {
                        HScrollbar scrollbar;
                        Gtk::Requisition requisition(scrollbar.size_request ());
@@ -370,6 +367,7 @@ MixerStrip::set_route (boost::shared_ptr<Route> rt)
                connections.push_back (at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen)));
 
                button_table.attach (*rec_enable_button, 0, 2, 2, 3);
+               rec_enable_button->set_sensitive (_session.writable());
                rec_enable_button->show();
 
        } else if (!is_track()) {
@@ -387,23 +385,30 @@ MixerStrip::set_route (boost::shared_ptr<Route> rt)
                name_label.set_text (_route->name());
        }
 
+       _mono_button.set_name ("MixerMonoButton");
+       _mono_button.signal_clicked().connect (mem_fun (*this, &MixerStrip::mono_button_clicked));
+
        switch (_route->meter_point()) {
        case MeterInput:
                meter_point_label.set_text (_("input"));
                break;
-               
+
        case MeterPreFader:
                meter_point_label.set_text (_("pre"));
                break;
-               
+
        case MeterPostFader:
                meter_point_label.set_text (_("post"));
                break;
+
+       case MeterCustom:
+               meter_point_label.set_text (_("custom"));
+               break;
        }
 
        delete route_ops_menu;
        route_ops_menu = 0;
-       
+
        ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment().empty() ?
                                                   _("Click to Add/Edit Comments"):
                                                   _route->comment());
@@ -438,12 +443,11 @@ MixerStrip::set_route (boost::shared_ptr<Route> rt)
 
        /* now force an update of all the various elements */
 
-       processor_box.update();
        mute_changed (0);
        solo_changed (0);
        name_changed ();
        comment_changed (0);
-       route_group_changed (0);
+       route_group_changed ();
 
        connect_to_pan ();
 
@@ -525,14 +529,13 @@ MixerStrip::set_width_enum (Width w, void* owner)
 
        gpm.set_width (w);
        panners.set_width (w);
-       processor_box.set_width (w);
 
        boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
 
        _width_owner = owner;
 
        ensure_xml_node ();
-       
+
        _width = w;
 
        if (_width_owner == this) {
@@ -588,7 +591,7 @@ MixerStrip::set_width_enum (Width w, void* owner)
                                gpm.short_astyle_string(gain_automation->automation_style()));
                ((Gtk::Label*)gpm.gain_automation_state_button.get_child())->set_text (
                                gpm.short_astate_string(gain_automation->automation_state()));
-               
+
                if (_route->panner()) {
                        ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
                        panners.short_astyle_string(_route->panner()->automation_style()));
@@ -596,13 +599,16 @@ MixerStrip::set_width_enum (Width w, void* owner)
                        panners.short_astate_string(_route->panner()->automation_state()));
                }
 
-               Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
+               Gtkmm2ext::set_size_request_to_display_given_text (name_button, longest_label.c_str(), 2, 2);
                set_size_request (max (50, gpm.get_gm_width()), -1);
                break;
        }
+
+       processor_box.set_width (w);
+       
        update_input_display ();
        update_output_display ();
-       route_group_changed (0);
+       route_group_changed ();
        name_changed ();
        WidthChanged ();
 }
@@ -638,22 +644,34 @@ MixerStrip::output_press (GdkEventButton *ev)
        case 1:
                edit_output_configuration ();
                break;
-               
+
        case 3:
        {
                output_menu.set_name ("ArdourContextMenu");
-               citems.clear();
-               
+               citems.clear ();
+               output_menu_bundles.clear ();
+
                citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
                citems.push_back (SeparatorElem());
 
                ARDOUR::BundleList current = _route->output()->bundles_connected ();
 
                boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
+
+               /* give user bundles first chance at being in the menu */
+               
                for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
-                       maybe_add_bundle_to_output_menu (*i, current);
+                       if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
+                               maybe_add_bundle_to_output_menu (*i, current);
+                       }
                }
 
+               for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
+                       if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
+                               maybe_add_bundle_to_output_menu (*i, current);
+                       }
+               }
+               
                boost::shared_ptr<ARDOUR::RouteList> routes = _session.get_routes ();
                for (ARDOUR::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
                        maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
@@ -678,8 +696,22 @@ void
 MixerStrip::edit_output_configuration ()
 {
        if (output_selector == 0) {
-               output_selector = new IOSelectorWindow (_session, _route->output());
-       } 
+               
+               boost::shared_ptr<Send> send;
+               boost::shared_ptr<IO> output;
+
+               if ((send = boost::dynamic_pointer_cast<Send>(_current_delivery)) != 0) {
+                       if (!boost::dynamic_pointer_cast<InternalSend>(send)) {
+                               output = send->output();
+                       } else {
+                               output = _route->output ();
+                       } 
+               } else {
+                       output = _route->output ();
+               }
+               
+               output_selector = new IOSelectorWindow (&_session, output);
+       }
 
        if (output_selector->is_visible()) {
                output_selector->get_toplevel()->get_window()->raise();
@@ -692,8 +724,8 @@ void
 MixerStrip::edit_input_configuration ()
 {
        if (input_selector == 0) {
-               input_selector = new IOSelectorWindow (_session, _route->input());
-       } 
+               input_selector = new IOSelectorWindow (&_session, _route->input());
+       }
 
        if (input_selector->is_visible()) {
                input_selector->get_toplevel()->get_window()->raise();
@@ -710,7 +742,7 @@ MixerStrip::input_press (GdkEventButton *ev)
        MenuList& citems = input_menu.items();
        input_menu.set_name ("ArdourContextMenu");
        citems.clear();
-       
+
        if (!_session.engine().connected()) {
                MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
                msg.run ();
@@ -727,14 +759,26 @@ MixerStrip::input_press (GdkEventButton *ev)
        {
                citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
                citems.push_back (SeparatorElem());
+               input_menu_bundles.clear ();
 
                ARDOUR::BundleList current = _route->input()->bundles_connected ();
 
                boost::shared_ptr<ARDOUR::BundleList> b = _session.bundles ();
+
+               /* give user bundles first chance at being in the menu */
+               
                for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
-                       maybe_add_bundle_to_input_menu (*i, current);
+                       if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
+                               maybe_add_bundle_to_input_menu (*i, current);
+                       }
                }
 
+               for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
+                       if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
+                               maybe_add_bundle_to_input_menu (*i, current);
+                       }
+               }
+               
                boost::shared_ptr<ARDOUR::RouteList> routes = _session.get_routes ();
                for (ARDOUR::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) {
                        maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
@@ -794,17 +838,28 @@ MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR:
        if (b->ports_are_outputs() == false ||
            route()->input()->default_type() != b->type() ||
            b->nchannels() != _route->n_inputs().get (b->type ())) {
-               
+
                return;
        }
 
+       list<boost::shared_ptr<Bundle> >::iterator i = input_menu_bundles.begin ();
+       while (i != input_menu_bundles.end() && b->has_same_ports (*i) == false) {
+               ++i;
+       }
+
+       if (i != input_menu_bundles.end()) {
+               return;
+       }
+
+       input_menu_bundles.push_back (b);
+
        MenuList& citems = input_menu.items();
-       
+
        std::string n = b->name ();
        replace_all (n, "_", " ");
-       
+
        citems.push_back (CheckMenuElem (n, bind (mem_fun(*this, &MixerStrip::bundle_input_toggled), b)));
-       
+
        if (std::find (current.begin(), current.end(), b) != current.end()) {
                ignore_toggle = true;
                dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
@@ -820,17 +875,28 @@ MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR
        if (b->ports_are_inputs() == false ||
            route()->output()->default_type() != b->type() ||
            b->nchannels() != _route->n_outputs().get (b->type ())) {
-               
+
                return;
        }
 
-       MenuList& citems = output_menu.items();
+       list<boost::shared_ptr<Bundle> >::iterator i = output_menu_bundles.begin ();
+       while (i != output_menu_bundles.end() && b->has_same_ports (*i) == false) {
+               ++i;
+       }
+
+       if (i != output_menu_bundles.end()) {
+               return;
+       }
+
+       output_menu_bundles.push_back (b);
        
+       MenuList& citems = output_menu.items();
+
        std::string n = b->name ();
        replace_all (n, "_", " ");
-       
+
        citems.push_back (CheckMenuElem (n, bind (mem_fun(*this, &MixerStrip::bundle_output_toggled), b)));
-       
+
        if (std::find (current.begin(), current.end(), b) != current.end()) {
                ignore_toggle = true;
                dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
@@ -879,51 +945,232 @@ MixerStrip::connect_to_pan ()
        panners.pan_changed (this);
 }
 
+
+/*
+ * Output port labelling
+ * =====================
+ *
+ * Case 1: Each output has one connection, all connections are to system:playback_%i
+ *   out 1 -> system:playback_1
+ *   out 2 -> system:playback_2
+ *   out 3 -> system:playback_3
+ *   Display as: 1/2/3
+ *
+ * Case 2: Each output has one connection, all connections are to ardour:track_x/in 1
+ *   out 1 -> ardour:track_x/in 1
+ *   out 2 -> ardour:track_x/in 2
+ *   Display as: track_x
+ *
+ * Case 3: Each output has one connection, all connections are to Jack client "program x"
+ *   out 1 -> program x:foo
+ *   out 2 -> program x:foo
+ *   Display as: program x
+ *
+ * Case 4: No connections (Disconnected)
+ *   Display as: -
+ *
+ * Default case (unusual routing):
+ *   Display as: *number of connections*
+ *
+ * Tooltips
+ * ========
+ * .-----------------------------------------------.
+ * | Mixdown                                       |
+ * | out 1 -> ardour:master/in 1, jamin:input/in 1 |
+ * | out 2 -> ardour:master/in 2, jamin:input/in 2 |
+ * '-----------------------------------------------'
+ * .-----------------------------------------------.
+ * | Guitar SM58                                   |
+ * | Disconnected                                  |
+ * '-----------------------------------------------'
+ */
+
 void
-MixerStrip::update_input_display ()
+MixerStrip::update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool for_input)
 {
-       ARDOUR::BundleList const c = _route->input()->bundles_connected();
+       uint32_t io_count;
+       uint32_t io_index;
+       Port *port;
+       vector<string> connections;
+
+       uint32_t total_connection_count = 0;
+       uint32_t io_connection_count = 0;
+       uint32_t ardour_connection_count = 0;
+       uint32_t system_connection_count = 0;
+       uint32_t other_connection_count = 0;
+
+       ostringstream label;
+       string label_string;
+       char * label_cstr;
+
+       bool have_label = false;
+       bool each_io_has_one_connection = true;
+
+       string connection_name;
+       string ardour_track_name;
+       string other_connection_type;
+       string system_ports;
+       string system_port;
 
-       if (c.size() > 1) {
-               input_label.set_text (_("Inputs"));
-       } else if (c.size() == 1) {
-               input_label.set_text (c[0]->name ());
+       ostringstream tooltip;
+       char * tooltip_cstr;
+
+       tooltip << route->name();
+
+       if (for_input) {
+               io_count = route->n_inputs().n_total();
        } else {
-               switch (_width) {
-               case Wide:
-                       input_label.set_text (_(" Input"));
-                       break;
-               case Narrow:
-                       input_label.set_text (_("I"));
-                       break;
+               io_count = route->n_outputs().n_total();
+       }
+
+       for (io_index = 0; io_index < io_count; ++io_index) {
+               if (for_input) {
+                       port = route->input()->nth (io_index);
+               } else {
+                       port = route->output()->nth (io_index);
+               }
+
+               connections.clear ();
+               port->get_connections(connections);
+               io_connection_count = 0;
+
+               if (!connections.empty()) {
+                       for (vector<string>::iterator i = connections.begin(); i != connections.end(); ++i) {
+                               string& connection_name (*i);
+
+                               if (io_connection_count == 0) {
+                                       tooltip << endl << port->name().substr(port->name().find("/") + 1) << " -> " << connection_name;
+                               } else {
+                                       tooltip << ", " << connection_name;
+                               }
+
+                               if (connection_name.find("ardour:") == 0) {
+                                       if (ardour_track_name.empty()) {
+                                               // "ardour:Master/in 1" -> "ardour:Master/"
+                                               string::size_type slash = connection_name.find("/");
+                                               if (slash != string::npos) {
+                                                       ardour_track_name = connection_name.substr(0, slash + 1);
+                                               }
+                                       }
+
+                                       if (connection_name.find(ardour_track_name) == 0) {
+                                               ++ardour_connection_count;
+                                       }
+                               } else if (connection_name.find("system:") == 0) {
+                                       if (for_input) {
+                                               // "system:capture_123" -> "123"
+                                               system_port = connection_name.substr(15);
+                                       } else {
+                                               // "system:playback_123" -> "123"
+                                               system_port = connection_name.substr(16);
+                                       }
+
+                                       if (system_ports.empty()) {
+                                               system_ports += system_port;
+                                       } else {
+                                               system_ports += "/" + system_port;
+                                       }
+
+                                       ++system_connection_count;
+                               } else {
+                                       if (other_connection_type.empty()) {
+                                               // "jamin:in 1" -> "jamin:"
+                                               other_connection_type = connection_name.substr(0, connection_name.find(":") + 1);
+                                       }
+
+                                       if (connection_name.find(other_connection_type) == 0) {
+                                               ++other_connection_count;
+                                       }
+                               }
+
+                               ++total_connection_count;
+                               ++io_connection_count;
+                       }
+               }
+
+               if (io_connection_count != 1) {
+                       each_io_has_one_connection = false;
                }
        }
-       panners.setup_pan ();
-}
 
-void
-MixerStrip::update_output_display ()
-{
-       ARDOUR::BundleList const c = _route->output()->bundles_connected ();
+       if (total_connection_count == 0) {
+               tooltip << endl << _("Disconnected");
+       }
 
-       /* XXX: how do we represent >1 connected bundle? */
-       if (c.size() > 1) {
-               output_label.set_text (_("Outputs"));
-       } else if (c.size() == 1) {
-               output_label.set_text (c[0]->name());
-       } else {
-               switch (_width) {
-               case Wide:
-                       output_label.set_text (_("Output"));
-                       break;
-               case Narrow:
-                       output_label.set_text (_("O"));
-                       break;
+       tooltip_cstr = new char[tooltip.str().size() + 1];
+       strcpy(tooltip_cstr, tooltip.str().c_str());
+
+       if (for_input) {
+               ARDOUR_UI::instance()->set_tip (&input_button, tooltip_cstr, "");
+       } else {
+               ARDOUR_UI::instance()->set_tip (&output_button, tooltip_cstr, "");
+       }
+
+       if (each_io_has_one_connection) {
+               if ((total_connection_count == ardour_connection_count)) {
+                       // all connections are to the same track in ardour
+                       // "ardour:Master/" -> "Master"
+                       string::size_type slash = ardour_track_name.find("/");
+                       if (slash != string::npos) {
+                               label << ardour_track_name.substr(7, slash - 7);
+                               have_label = true;
+                       }
+               }
+               else if (total_connection_count == system_connection_count) {
+                       // all connections are to system ports
+                       label << system_ports;
+                       have_label = true;
+               }
+               else if (total_connection_count == other_connection_count) {
+                       // all connections are to the same external program eg jamin
+                       // "jamin:" -> "jamin"
+                       label << other_connection_type.substr(0, other_connection_type.size() - 1);
+                       have_label = true;
                }
        }
 
-       gpm.setup_meters ();
-       panners.setup_pan ();
+       if (!have_label) {
+               if (total_connection_count == 0) {
+                       // Disconnected
+                       label << "-";
+               } else {
+                       // Odd configuration
+                       label << "*" << total_connection_count << "*";
+               }
+       }
+
+       switch (width) {
+       case Wide:
+               label_string = label.str().substr(0, 6);
+               break;
+       case Narrow:
+               label_string = label.str().substr(0, 3);
+               break;
+       }
+
+       label_cstr = new char[label_string.size() + 1];
+       strcpy(label_cstr, label_string.c_str());
+
+       if (for_input) {
+               input_label.set_text (label_cstr);
+       } else {
+               output_label.set_text (label_cstr);
+       }
+}
+
+void
+MixerStrip::update_input_display ()
+{
+       update_io_button (_route, _width, true);
+       panners.setup_pan ();
+}
+
+void
+MixerStrip::update_output_display ()
+{
+       update_io_button (_route, _width, false);
+       gpm.setup_meters ();
+       panners.setup_pan ();
 }
 
 void
@@ -936,32 +1183,32 @@ void
 MixerStrip::diskstream_changed ()
 {
        Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
-}      
+}
 
 void
-MixerStrip::input_changed (IOChange change, void *src)
+MixerStrip::input_changed (IOChange /*change*/, void */*src*/)
 {
        Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
        set_width_enum (_width, this);
 }
 
 void
-MixerStrip::output_changed (IOChange change, void *src)
+MixerStrip::output_changed (IOChange /*change*/, void */*src*/)
 {
        Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
        set_width_enum (_width, this);
 }
 
 
-void 
-MixerStrip::comment_editor_done_editing() 
+void
+MixerStrip::comment_editor_done_editing()
 {
        string str =  comment_area->get_buffer()->get_text();
        if (_route->comment() != str) {
                _route->set_comment (str, this);
 
                switch (_width) {
-                  
+
                case Wide:
                        if (! str.empty()) {
                                comment_button.modify_bg (STATE_NORMAL, color());
@@ -971,7 +1218,7 @@ MixerStrip::comment_editor_done_editing()
                                ((Gtk::Label*)comment_button.get_child())->set_text (_("Comments"));
                        }
                        break;
-                  
+
                case Narrow:
                        if (! str.empty()) {
                                comment_button.modify_bg (STATE_NORMAL, color());
@@ -979,11 +1226,11 @@ MixerStrip::comment_editor_done_editing()
                        } else {
                                comment_button.unset_bg (STATE_NORMAL);
                                ((Gtk::Label*)comment_button.get_child())->set_text (_("Cmt"));
-                       } 
+                       }
                        break;
                }
-                
-               ARDOUR_UI::instance()->tooltips().set_tip (comment_button, 
+
+               ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
                                str.empty() ? _("Click to Add/Edit Comments") : str);
        }
 
@@ -1006,8 +1253,8 @@ MixerStrip::comment_button_clicked ()
        comment_window->get_size (cw_width, cw_height);
        comment_window->get_position(x, y);
        comment_window->move(x, y - (cw_height / 2) - 45);
-       /* 
-          half the dialog height minus the comments button height 
+       /*
+          half the dialog height minus the comments button height
           with some window decoration fudge thrown in.
        */
 
@@ -1043,7 +1290,7 @@ void
 MixerStrip::comment_changed (void *src)
 {
        ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
-       
+
        if (src != this) {
                ignore_comment_edit = true;
                if (comment_area) {
@@ -1056,7 +1303,7 @@ MixerStrip::comment_changed (void *src)
 void
 MixerStrip::set_route_group (RouteGroup *rg)
 {
-       _route->set_route_group (rg, this);
+       rg->add (_route);
 }
 
 bool
@@ -1067,26 +1314,26 @@ MixerStrip::select_route_group (GdkEventButton *ev)
        if (ev->button == 1) {
 
                if (group_menu == 0) {
-                       
+
                        group_menu = new RouteGroupMenu (
                                _session,
                                (RouteGroup::Property) (RouteGroup::Gain | RouteGroup::Mute | RouteGroup::Solo)
                                );
-                       
+
                        group_menu->GroupSelected.connect (mem_fun (*this, &MixerStrip::set_route_group));
                }
 
                group_menu->popup (1, ev->time);
        }
-       
+
        return true;
-}      
+}
 
 void
-MixerStrip::route_group_changed (void *ignored)
+MixerStrip::route_group_changed ()
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_group_changed), ignored));
-       
+       ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::route_group_changed));
+
        RouteGroup *rg = _route->route_group();
 
        if (rg) {
@@ -1109,11 +1356,11 @@ MixerStrip::route_group_changed (void *ignored)
 }
 
 
-void 
+void
 MixerStrip::route_gui_changed (string what_changed, void* ignored)
 {
        ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
-       
+
        if (what_changed == "color") {
                if (set_color_from_route () == 0) {
                        show_route_color ();
@@ -1165,9 +1412,8 @@ MixerStrip::build_route_ops_menu ()
        denormal_menu_item->set_active (_route->denormal_protection());
 
        if (!Profile->get_sae()) {
-               build_remote_control_menu ();
                items.push_back (SeparatorElem());
-               items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
+               items.push_back (MenuElem (_("Remote Control ID..."), mem_fun (*this, &RouteUI::open_remote_control_id_dialog)));
         }
 
        items.push_back (SeparatorElem());
@@ -1193,8 +1439,6 @@ MixerStrip::list_route_operations ()
        if (route_ops_menu == 0) {
                build_route_ops_menu ();
        }
-       
-       refresh_remote_control_menu();
 }
 
 void
@@ -1245,13 +1489,13 @@ MixerStrip::hide_clicked ()
 {
        // LAME fix to reset the button status for when it is redisplayed (part 1)
        hide_button.set_sensitive(false);
-       
+
        if (_embedded) {
                Hiding(); /* EMIT_SIGNAL */
        } else {
                _mixer.hide_strip (this);
        }
-       
+
        // (part 2)
        hide_button.set_sensitive(true);
 }
@@ -1280,7 +1524,7 @@ MixerStrip::map_frozen ()
                        break;
                }
        }
-       
+
        hide_redirect_editors ();
 }
 
@@ -1297,9 +1541,9 @@ MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
        if (!processor) {
                return;
        }
-       
+
        void* gui = processor->get_gui ();
-       
+
        if (gui) {
                static_cast<Gtk::Widget*>(gui)->hide ();
        }
@@ -1309,36 +1553,48 @@ void
 MixerStrip::route_active_changed ()
 {
        RouteUI::route_active_changed ();
+       reset_strip_style ();
+}
+
+void
+MixerStrip::reset_strip_style ()
+{
+       if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
+
+               gpm.set_fader_name ("SendStripBase");
 
-       if (is_midi_track()) {
-               if (_route->active()) {
-                       set_name ("MidiTrackStripBase");
-                       gpm.set_meter_strip_name ("MidiTrackStripBase");
-               } else {
-                       set_name ("MidiTrackStripBaseInactive");
-                       gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
-               }
-               gpm.set_fader_name ("MidiTrackFader");
-       } else if (is_audio_track()) {
-               if (_route->active()) {
-                       set_name ("AudioTrackStripBase");
-                       gpm.set_meter_strip_name ("AudioTrackMetrics");
-               } else {
-                       set_name ("AudioTrackStripBaseInactive");
-                       gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
-               }
-               gpm.set_fader_name ("AudioTrackFader");
        } else {
-               if (_route->active()) {
-                       set_name ("AudioBusStripBase");
-                       gpm.set_meter_strip_name ("AudioBusMetrics");
+               
+               if (is_midi_track()) {
+                       if (_route->active()) {
+                               set_name ("MidiTrackStripBase");
+                               gpm.set_meter_strip_name ("MidiTrackStripBase");
+                       } else {
+                               set_name ("MidiTrackStripBaseInactive");
+                               gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
+                       }
+                       gpm.set_fader_name ("MidiTrackFader");
+               } else if (is_audio_track()) {
+                       if (_route->active()) {
+                               set_name ("AudioTrackStripBase");
+                               gpm.set_meter_strip_name ("AudioTrackMetrics");
+                       } else {
+                               set_name ("AudioTrackStripBaseInactive");
+                               gpm.set_meter_strip_name ("AudioTrackMetricsInactive");
+                       }
+                       gpm.set_fader_name ("AudioTrackFader");
                } else {
-                       set_name ("AudioBusStripBaseInactive");
-                       gpm.set_meter_strip_name ("AudioBusMetricsInactive");
+                       if (_route->active()) {
+                               set_name ("AudioBusStripBase");
+                               gpm.set_meter_strip_name ("AudioBusMetrics");
+                       } else {
+                               set_name ("AudioBusStripBaseInactive");
+                               gpm.set_meter_strip_name ("AudioBusMetricsInactive");
+                       }
+                       gpm.set_fader_name ("AudioBusFader");
+                       
+                       /* (no MIDI busses yet) */
                }
-               gpm.set_fader_name ("AudioBusFader");
-               
-               /* (no MIDI busses yet) */
        }
 }
 
@@ -1358,6 +1614,7 @@ MixerStrip::engine_running ()
 {
 }
 
+/** Called when the metering point has changed */
 void
 MixerStrip::meter_changed (void *src)
 {
@@ -1371,21 +1628,30 @@ MixerStrip::meter_changed (void *src)
        case MeterPreFader:
                meter_point_label.set_text (_("pre"));
                break;
-               
+
        case MeterPostFader:
                meter_point_label.set_text (_("post"));
                break;
+
+       case MeterCustom:
+               meter_point_label.set_text (_("custom"));
+               break;
        }
 
        gpm.setup_meters ();
        // reset peak when meter point changes
        gpm.reset_peak_display();
-       set_width_enum (_width, this);
 }
 
 void
 MixerStrip::switch_io (boost::shared_ptr<Route> target)
 {
+       /* don't respond to switch IO signal outside of the mixer window */
+
+       if (!_mixer_owned) {
+               return;
+       }
+
        if (_route == target || _route->is_master()) {
                /* don't change the display for the target or the master bus */
                return;
@@ -1403,53 +1669,75 @@ MixerStrip::switch_io (boost::shared_ptr<Route> target)
                revert_to_default_display ();
                return;
        }
-       
-       boost::shared_ptr<Send> send;
 
-       if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
-               send->set_metering (false);
-       }
-       
-       _current_delivery = _route->internal_send_for (target);
+       boost::shared_ptr<Send> send = _route->internal_send_for (target);
 
-       cerr << "internal send from " << _route->name() << " to " << target->name() << " = " 
-            << _current_delivery << endl;
+       if (send) {
+               show_send (send);
+       } else {
+               revert_to_default_display ();
+       }
+}
 
-       if (_current_delivery) {
-               send = boost::dynamic_pointer_cast<Send>(_current_delivery);
-               send->set_metering (true);
-               _current_delivery->GoingAway.connect (mem_fun (*this, &MixerStrip::revert_to_default_display));
-               gain_meter().set_controls (_route, send->meter(), send->amp());
-               panner_ui().set_panner (_current_delivery->panner());
+void
+MixerStrip::drop_send ()
+{
+       boost::shared_ptr<Send> current_send;
 
-       } else {
-               _current_delivery = _route->main_outs ();
-               gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp());
-               panner_ui().set_panner (_route->main_outs()->panner());
+       if (_current_delivery && (current_send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
+               current_send->set_metering (false);
        }
-       
+
+       send_gone_connection.disconnect ();
+       input_button.set_sensitive (true);
+       output_button.set_sensitive (true);
+}
+
+void
+MixerStrip::show_send (boost::shared_ptr<Send> send)
+{
+       assert (send != 0);
+
+       drop_send ();
+
+       _current_delivery = send;
+
+       send->set_metering (true);
+       send_gone_connection = _current_delivery->GoingAway.connect (mem_fun (*this, &MixerStrip::revert_to_default_display));
+
+       gain_meter().set_controls (_route, send->meter(), send->amp());
        gain_meter().setup_meters ();
+
+       panner_ui().set_panner (_current_delivery->panner());
        panner_ui().setup_pan ();
-}
 
+       input_button.set_sensitive (false);
+
+       if (boost::dynamic_pointer_cast<InternalSend>(send)) {
+               output_button.set_sensitive (false);
+       }
+
+       reset_strip_style ();
+}
 
 void
 MixerStrip::revert_to_default_display ()
 {
-       show_sends_button->set_active (false);
-       
-       boost::shared_ptr<Send> send;
-
-       if (_current_delivery && (send = boost::dynamic_pointer_cast<Send>(_current_delivery))) {
-               send->set_metering (false);
+       if (show_sends_button) {
+               show_sends_button->set_active (false);
        }
-       
+
+       drop_send ();
+
        _current_delivery = _route->main_outs();
 
        gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp());
        gain_meter().setup_meters ();
+
        panner_ui().set_panner (_route->main_outs()->panner());
        panner_ui().setup_pan ();
+
+       reset_strip_style ();
 }
 
 void
@@ -1489,7 +1777,7 @@ MixerStrip::set_button_names ()
                        }
                }
                break;
-               
+
        }
 }
 
@@ -1506,22 +1794,22 @@ MixerStrip::on_key_press_event (GdkEventKey* ev)
                mute_press (&fake);
                return true;
                break;
-               
+
        case GDK_s:
                solo_press (&fake);
                return true;
                break;
-               
+
        case GDK_r:
                rec_enable_press (&fake);
                return true;
                break;
-               
+
        case GDK_e:
                show_sends_press (&fake);
                return true;
-               break;                  
-               
+               break;
+
        case GDK_g:
                if (ev->state & Keyboard::PrimaryModifier) {
                        step_gain_down ();
@@ -1536,7 +1824,7 @@ MixerStrip::on_key_press_event (GdkEventKey* ev)
                        _route->set_gain (1.0, this);
                }
                return true;
-               
+
        default:
                break;
        }
@@ -1558,26 +1846,26 @@ MixerStrip::on_key_release_event (GdkEventKey* ev)
                mute_release (&fake);
                return true;
                break;
-               
+
        case GDK_s:
                solo_release (&fake);
                return true;
                break;
-               
+
        case GDK_r:
                rec_enable_release (&fake);
                return true;
                break;
-               
+
        case GDK_e:
                show_sends_release (&fake);
                return true;
-               break;                  
-               
+               break;
+
        case GDK_g:
                return true;
                break;
-               
+
        default:
                break;
        }
@@ -1586,7 +1874,7 @@ MixerStrip::on_key_release_event (GdkEventKey* ev)
 }
 
 bool
-MixerStrip::on_enter_notify_event (GdkEventCrossing* ev)
+MixerStrip::on_enter_notify_event (GdkEventCrossing*)
 {
        Keyboard::magic_widget_grab_focus ();
        grab_focus ();
@@ -1605,3 +1893,15 @@ MixerStrip::on_leave_notify_event (GdkEventCrossing* ev)
 
        return false;
 }
+
+void
+MixerStrip::mono_button_clicked ()
+{
+       panners.set_mono (_mono_button.get_active ());
+}
+
+PluginSelector*
+MixerStrip::plugin_selector()
+{
+       return _mixer.plugin_selector();
+}