extend strict-i/o to include route outputs.
[ardour.git] / gtk2_ardour / processor_box.cc
index 26a684770f004f85dc2173b903cc368a11ef8c3b..03492d7c84f48536f37fcc5fb081f9a4d096f72b 100644 (file)
 #include "ardour/session.h"
 #include "ardour/types.h"
 
+#include "LuaBridge/LuaBridge.h"
+
 #include "actions.h"
 #include "ardour_dialog.h"
 #include "ardour_ui.h"
 #include "gui_thread.h"
 #include "io_selector.h"
 #include "keyboard.h"
+#include "luainstance.h"
 #include "mixer_ui.h"
 #include "mixer_strip.h"
+#include "plugin_pin_dialog.h"
 #include "plugin_selector.h"
 #include "plugin_ui.h"
 #include "port_insert_ui.h"
@@ -105,24 +109,46 @@ RefPtr<Action> ProcessorBox::cut_action;
 RefPtr<Action> ProcessorBox::copy_action;
 RefPtr<Action> ProcessorBox::rename_action;
 RefPtr<Action> ProcessorBox::delete_action;
+RefPtr<Action> ProcessorBox::manage_pins_action;
 RefPtr<Action> ProcessorBox::edit_action;
 RefPtr<Action> ProcessorBox::edit_generic_action;
-ActionMap      ProcessorBox::processor_box_actions (X_("processor box"));
+RefPtr<ActionGroup> ProcessorBox::processor_box_actions;
+Gtkmm2ext::ActionMap ProcessorBox::myactions (X_("processor box"));
+Gtkmm2ext::Bindings* ProcessorBox::bindings = 0;
+
 
-static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
-static const uint32_t midi_port_color = 0x960909FF; //Red
+// TODO consolidate with PluginPinDialog::set_color
+static void set_routing_color (cairo_t* cr, bool midi)
+{
+       static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
+       static const uint32_t midi_port_color = 0x960909FF; //Red
+
+       if (midi) {
+               cairo_set_source_rgb (cr,
+                               UINT_RGBA_R_FLT(midi_port_color),
+                               UINT_RGBA_G_FLT(midi_port_color),
+                               UINT_RGBA_B_FLT(midi_port_color));
+       } else {
+               cairo_set_source_rgb (cr,
+                               UINT_RGBA_R_FLT(audio_port_color),
+                               UINT_RGBA_G_FLT(audio_port_color),
+                               UINT_RGBA_B_FLT(audio_port_color));
+       }
+}
 
 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
        : _button (ArdourButton::led_default_elements)
        , _position (PreFader)
        , _position_num(0)
+       , _parent (parent)
        , _selectable(true)
        , _unknown_processor(false)
-       , _parent (parent)
        , _processor (p)
        , _width (w)
-       , _input_icon(true)
-       , _output_icon(false)
+       , input_icon(true)
+       , output_icon(false)
+       , routing_icon(true)
+       , output_routing_icon(false)
        , _plugin_display(0)
 {
        _vbox.show ();
@@ -148,31 +174,41 @@ ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processo
        }
        if (_processor) {
 
-               _vbox.pack_start (_routing_icon);
-               _vbox.pack_start (_input_icon);
+               _vbox.pack_start (routing_icon);
+               _vbox.pack_start (input_icon);
                _vbox.pack_start (_button, true, true);
 
                boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
                if (pi && pi->plugin() && pi->plugin()->has_inline_display()) {
-                       _plugin_display = new PluginDisplay (pi->plugin(),
-                                       std::max (60.f, rintf(80.f * UIConfiguration::instance().get_ui_scale())));
+                       if (pi->plugin()->get_info()->type != ARDOUR::Lua) {
+                               _plugin_display = new PluginDisplay (pi->plugin(),
+                                               std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
+                       } else {
+                               assert (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()));
+                               _plugin_display = new LuaPluginDisplay (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()),
+                                               std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
+                       }
                        _vbox.pack_start (*_plugin_display);
                        _plugin_display->set_no_show_all (true);
-                       if (Config->get_show_inline_display_by_default ()) {
+                       if (UIConfiguration::instance().get_show_inline_display_by_default ()) {
                                _plugin_display->show ();
                        }
                }
-               _vbox.pack_end (_output_icon);
+               _vbox.pack_end (output_routing_icon);
+               _vbox.pack_end (output_icon);
 
                _button.set_active (_processor->active());
 
-               _routing_icon.set_no_show_all(true);
-               _input_icon.set_no_show_all(true);
+               input_icon.set_no_show_all(true);
+               routing_icon.set_no_show_all(true);
+               output_icon.set_no_show_all(true);
+               output_routing_icon.set_no_show_all(true);
 
                _button.show ();
-               _routing_icon.set_visible(false);
-               _input_icon.hide();
-               _output_icon.show();
+               input_icon.hide();
+               output_icon.show();
+               routing_icon.hide();
+               output_routing_icon.hide();
 
                _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
                _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
@@ -199,12 +235,6 @@ ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processo
                        }
                }
 
-               _input_icon.set_ports(_processor->input_streams());
-               _output_icon.set_ports(_processor->output_streams());
-
-               _routing_icon.set_sources(_processor->input_streams());
-               _routing_icon.set_sinks(_processor->output_streams());
-
                setup_tooltip ();
                setup_visuals ();
        } else {
@@ -331,13 +361,6 @@ ProcessorEntry::set_position (Position p, uint32_t num)
 {
        _position = p;
        _position_num = num;
-
-       if (_position_num == 0 || _routing_icon.get_visible()) {
-               _input_icon.show();
-       } else {
-               _input_icon.hide();
-       }
-
        setup_visuals ();
 }
 
@@ -451,13 +474,11 @@ ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
 void
 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
 {
-       _input_icon.set_ports(in);
-       _output_icon.set_ports(out);
-       _routing_icon.set_sources(in);
-       _routing_icon.set_sinks(out);
-       _input_icon.queue_draw();
-       _output_icon.queue_draw();
-       _routing_icon.queue_draw();
+       _parent->setup_routing_feeds ();
+       input_icon.queue_draw();
+       output_icon.queue_draw();
+       routing_icon.queue_draw();
+       output_routing_icon.queue_draw();
 }
 
 void
@@ -920,94 +941,28 @@ PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::
        , _plugin_insert (p)
 {
        p->PluginIoReConfigure.connect (
-               _splitting_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::plugin_insert_splitting_changed, this), gui_context()
+               _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
+               );
+       p->PluginMapChanged.connect (
+               _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
+               );
+       p->PluginConfigChanged.connect (
+               _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
                );
-
-       plugin_insert_splitting_changed ();
 }
 
 void
-PluginInsertProcessorEntry::plugin_insert_splitting_changed ()
+PluginInsertProcessorEntry::iomap_changed ()
 {
-       ChanCount in, out; // actual configured i/o
-       _plugin_insert->configured_io (in, out);
-
-       /* get number of input ports */
-       ChanCount sinks = _plugin_insert->natural_input_streams();
-       if (!_plugin_insert->splitting () && _plugin_insert->get_count() > 1) {
-               /* replicated instances */
-               for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
-                       sinks.set(*t, sinks.get(*t) * _plugin_insert->get_count());
-               }
-       }
-       /* MIDI bypass */
-       if (_plugin_insert->natural_output_streams().n_midi() == 0 &&
-                       _plugin_insert->output_streams().n_midi() == 1) {
-               in.set(DataType::MIDI, 1);
-               out.set(DataType::MIDI, 1);
-               sinks.set(DataType::MIDI, 1);
-       }
-
-       /* the Input streams available (*valid* outputs from prev. plugin)
-        * this will be <= sinks. Some input-ports of this processor
-        * may be unconnected.
-        */
-       _routing_icon.set_sources(in);
-
-       /* the actual input ports of this processor */
-       _input_icon.set_ports(sinks);
-       _routing_icon.set_sinks(sinks);
-
-       /* set/override plugin-output ports to actual outputs-streams.
-        *
-        * This plugin may have unconnected output-ports (currently only in Mixbus,
-        * e.g channelstrip-EQ at the top of a MIDI-channel before the synth).
-        *
-        * The *next* processor below this one will only see the
-        * actual available streams (it cannot know the real outputs
-        * of this plugin).
-        *
-        * There is currently no API to query the ports of the previous (or next)
-        * processor.
-        *
-        * (normally - iff configuration succeeds - this is set during
-        * ProcessorEntry::processor_configuration_changed() and should
-        * equal _plugin_insert->output_streams())
-        */
-       _output_icon.set_ports(out);
-#ifndef NDEBUG
-       if (out != _plugin_insert->output_streams()) {
-               std::cerr << "Processor Wiring: " <<  processor()->name()
-                       << " out-ports: " << _plugin_insert->output_streams() // NB. does not include midi-bypass
-                       << " out-connections: " << out
-                       << endmsg;
-       }
-#endif
-
-       _routing_icon.set_splitting(_plugin_insert->splitting ());
-
-       if (_plugin_insert->splitting () ||  in != sinks)
-       {
-               _routing_icon.set_size_request (-1, std::max (7.f, rintf(7.f * UIConfiguration::instance().get_ui_scale())));
-               _routing_icon.set_visible(true);
-               _input_icon.show();
-       } else {
-               _routing_icon.set_visible(false);
-               if (_position_num != 0) {
-                       _input_icon.hide();
-               }
-       }
-
-       _input_icon.queue_draw();
-       _output_icon.queue_draw();
-       _routing_icon.queue_draw();
+       _parent->setup_routing_feeds ();
+       routing_icon.queue_draw();
+       output_routing_icon.queue_draw();
 }
 
 void
 PluginInsertProcessorEntry::hide_things ()
 {
        ProcessorEntry::hide_things ();
-       plugin_insert_splitting_changed ();
 }
 
 ProcessorEntry::PortIcon::PortIcon(bool input) {
@@ -1037,33 +992,13 @@ ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
        const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
        if (_ports.n_total() > 1) {
                for (uint32_t i = 0; i < _ports.n_total(); ++i) {
-                       if (i < _ports.n_midi()) {
-                               cairo_set_source_rgb (cr,
-                                               UINT_RGBA_R_FLT(midi_port_color),
-                                               UINT_RGBA_G_FLT(midi_port_color),
-                                               UINT_RGBA_B_FLT(midi_port_color));
-                       } else {
-                               cairo_set_source_rgb (cr,
-                                               UINT_RGBA_R_FLT(audio_port_color),
-                                               UINT_RGBA_G_FLT(audio_port_color),
-                                               UINT_RGBA_B_FLT(audio_port_color));
-                       }
+                       set_routing_color (cr, i < _ports.n_midi());
                        const float x = rintf(width * (.2f + .6f * i / (_ports.n_total() - 1.f)));
                        cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
                        cairo_fill(cr);
                }
        } else if (_ports.n_total() == 1) {
-               if (_ports.n_midi() == 1) {
-                       cairo_set_source_rgb (cr,
-                                       UINT_RGBA_R_FLT(midi_port_color),
-                                       UINT_RGBA_G_FLT(midi_port_color),
-                                       UINT_RGBA_B_FLT(midi_port_color));
-               } else {
-                       cairo_set_source_rgb (cr,
-                                       UINT_RGBA_R_FLT(audio_port_color),
-                                       UINT_RGBA_G_FLT(audio_port_color),
-                                       UINT_RGBA_B_FLT(audio_port_color));
-               }
+               set_routing_color (cr, _ports.n_midi() == 1);
                const float x = rintf(width * .5);
                cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
                cairo_fill(cr);
@@ -1074,6 +1009,186 @@ ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
        return true;
 }
 
+ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
+       : _feed (false)
+       , _input (input)
+{
+       if (input) {
+               set_size_request (-1, std::max (7.f, rintf(8.f * UIConfiguration::instance().get_ui_scale())));
+       } else {
+               set_size_request (-1, std::max (10.f, rintf(12.f * UIConfiguration::instance().get_ui_scale())));
+       }
+}
+
+void
+ProcessorEntry::RoutingIcon::set (
+               const ARDOUR::ChanCount& in,
+               const ARDOUR::ChanCount& out,
+               const ARDOUR::ChanCount& sinks,
+               const ARDOUR::ChanCount& sources,
+               const ARDOUR::ChanMapping& in_map,
+               const ARDOUR::ChanMapping& out_map,
+               const ARDOUR::ChanMapping& thru_map)
+{
+       _in       = in;
+       _out      = out;
+       _sources  = sources;
+       _sinks    = sinks;
+       _in_map   = in_map;
+       _out_map  = out_map;
+       _thru_map = thru_map;
+}
+
+bool
+ProcessorEntry::RoutingIcon::identity () const {
+       if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
+               return false;
+       }
+       if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
+               return false;
+       }
+       if (_feed) {
+               if (!_f_out_map.is_monotonic () || !_f_out_map.is_identity ()) {
+                       return false;
+               }
+               if (_f_out_map.n_total () != _f_sources.n_total () || _sinks != _f_sources) {
+                       return false;
+               }
+       }
+       return true;
+}
+
+bool
+ProcessorEntry::RoutingIcon::out_identity () const {
+       if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
+               return false;
+       }
+       if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
+               return false;
+       }
+       if (_thru_map.n_total () > 0) {
+               return false;
+       }
+       return true;
+}
+
+void
+ProcessorEntry::RoutingIcon::set_feed (
+                               const ARDOUR::ChanCount& out,
+                               const ARDOUR::ChanCount& sources,
+                               const ARDOUR::ChanMapping& out_map,
+                               const ARDOUR::ChanMapping& thru_map)
+{
+       _f_out      = out;
+       _f_sources  = sources;
+       _f_out_map  = out_map;
+       _f_thru_map = thru_map;
+       _feed       = true;
+}
+
+double
+ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
+{
+       if (!midi) { i += n_midi; }
+       if (n_total == 1) {
+               assert (i == 0);
+               return rint (width * .5) +.5;
+       }
+       return rint (width * (.2 + .6 * i / (n_total - 1))) + .5;
+}
+
+void
+ProcessorEntry::RoutingIcon::draw_X (cairo_t* cr, double x0, double height, bool midi)
+{
+       const double y0 = rint (height * .4) + .5;
+       const double dx = min (y0 - .5, 1. + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale())));
+
+       cairo_move_to (cr, x0, 0);
+       cairo_line_to (cr, x0, y0);
+       cairo_move_to (cr, x0 - dx, y0 - dx);
+       cairo_line_to (cr, x0 + dx, y0 + dx);
+       cairo_move_to (cr, x0 - dx, y0 + dx);
+       cairo_line_to (cr, x0 + dx, y0 - dx);
+
+       set_routing_color (cr, midi);
+       cairo_set_line_width  (cr, 1.0);
+       cairo_stroke_preserve (cr);
+       cairo_set_source_rgba (cr, 0, 0, 0, .4); // darken
+       cairo_stroke (cr);
+}
+
+void
+ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double height, bool midi)
+{
+       const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
+       const double y0 = rint (height * .66) + .5;
+
+       cairo_move_to (cr, x0, height);
+       cairo_line_to (cr, x0, y0);
+       cairo_move_to (cr, x0 - dx, y0);
+       cairo_line_to (cr, x0 + dx, y0);
+
+       set_routing_color (cr, midi);
+       cairo_set_line_width  (cr, 1.0);
+       cairo_stroke (cr);
+}
+
+void
+ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double height, bool midi)
+{
+       const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
+       const double y0 = rint (height * .6) + .5;
+
+       cairo_move_to (cr, x0 - dx, height);
+       cairo_line_to (cr, x0, y0);
+       cairo_line_to (cr, x0 + dx, height);
+       cairo_close_path (cr);
+
+       set_routing_color (cr, midi);
+       cairo_fill (cr);
+}
+
+void
+ProcessorEntry::RoutingIcon::draw_thru (cairo_t* cr, double x0, double height, bool midi)
+{
+       const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
+       const double y0 = rint (height * .5) + .5;
+
+       cairo_move_to (cr, x0 - dx - .5, y0);
+       cairo_line_to (cr, x0 + dx + .5, y0 - 2);
+
+       cairo_move_to (cr, x0 - dx - .5, y0 + 2);
+       cairo_line_to (cr, x0 + dx + .5, y0);
+
+       cairo_move_to (cr, x0, y0 + 1);
+       cairo_line_to (cr, x0, height);
+
+       set_routing_color (cr, midi);
+       cairo_set_line_width  (cr, 1.0);
+       cairo_stroke (cr);
+}
+
+void
+ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
+{
+       double bz = abs (y1 - y0);
+
+       cairo_move_to (cr, x0, y0);
+       cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
+       cairo_set_line_width  (cr, 1.0);
+       cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
+       cairo_set_source_rgb (cr, 1, 0, 0);
+       if (dashed) {
+               const double dashes[] = { 2, 3 };
+               cairo_set_dash (cr, dashes, 2, 0);
+       }
+       set_routing_color (cr, midi);
+       cairo_stroke (cr);
+       if (dashed) {
+               cairo_set_dash (cr, 0, 0, 0);
+       }
+}
+
 bool
 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
 {
@@ -1095,109 +1210,115 @@ ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
        cairo_rectangle (cr, 0, 0, width, height);
        cairo_fill (cr);
 
-       Gdk::Color const fg = get_style()->get_fg (STATE_NORMAL);
-       cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
-
-       const uint32_t sources = _sources.n_total();
-       const uint32_t sinks = _sinks.n_total();
-
-       const uint32_t midi_sources = _sources.n_midi();
-       const uint32_t midi_sinks = _sinks.n_midi();
-       const uint32_t audio_sources = _sources.n_audio();
-       const uint32_t audio_sinks = _sinks.n_audio();
-
-       /* MIDI */
-       cairo_set_source_rgb (cr,
-                       UINT_RGBA_R_FLT(midi_port_color),
-                       UINT_RGBA_G_FLT(midi_port_color),
-                       UINT_RGBA_B_FLT(midi_port_color));
-       if (midi_sources > 0 && midi_sinks > 0 && sinks > 1 && sources > 1) {
-               for (uint32_t i = 0 ; i < midi_sources; ++i) {
-                       const float si_x  = rintf(width * (.2f + .6f * i  / (sinks - 1.f))) + .5f;
-                       const float si_x0 = rintf(width * (.2f + .6f * i / (sources - 1.f))) + .5f;
-                       cairo_move_to (cr, si_x, height);
-                       cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
-                       cairo_stroke (cr);
-               }
-       } else if (midi_sources == 1 && midi_sinks == 1 && sinks == 1 && sources == 1) {
-               const float si_x = rintf(width * .5f) + .5f;
-               cairo_move_to (cr, si_x, height);
-               cairo_line_to (cr, si_x, 0);
-               cairo_stroke (cr);
-       } else if (midi_sources == 1 && midi_sinks == 1) {
-               /* unusual cases -- removed synth, midi-track w/audio plugins */
-               const float si_x  = rintf(width * (sinks   > 1 ? .2f : .5f)) + .5f;
-               const float si_x0 = rintf(width * (sources > 1 ? .2f : .5f)) + .5f;
-               cairo_move_to (cr, si_x, height);
-               cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
-               cairo_stroke (cr);
-       } else if (midi_sources == 0 && midi_sinks == 1) {
-               const double dx = 1 + rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
-               // draw "T"
-               //  TODO connect back to track-input of last midi-out if any, otherwise draw "X"
-               const float si_x  = rintf(width * .2f) + .5f;
-               cairo_move_to (cr, si_x, height);
-               cairo_line_to (cr, si_x, height * .66);
-               cairo_move_to (cr, si_x - dx, height * .66);
-               cairo_line_to (cr, si_x + dx, height * .66);
-               cairo_stroke (cr);
-#ifndef NDEBUG
-       } else if (midi_sources != 0 && midi_sinks != 0) {
-               PBD::warning << string_compose("Programming error: midi routing display: A %1 -> %2 | M %3 -> %4 | T %5 -> %6",
-                               audio_sources, audio_sinks, midi_sources, midi_sinks, sources, sinks) << endmsg;
-#endif
+       if (_input) {
+               expose_input_map (cr, width, height);
+       } else {
+               expose_output_map (cr, width, height);
        }
 
-       /* AUDIO */
-       cairo_set_source_rgb (cr,
-                       UINT_RGBA_R_FLT(audio_port_color),
-                       UINT_RGBA_G_FLT(audio_port_color),
-                       UINT_RGBA_B_FLT(audio_port_color));
-
-       if (_splitting) {
-               assert(audio_sources < 2);
-               assert(audio_sinks > 1);
-               /* assume there is only ever one MIDI port */
-               const float si_x0 = rintf(width * (midi_sources > 0 ? .8f : .5f)) + .5f;
-               for (uint32_t i = midi_sinks; i < sinks; ++i) {
-                       const float si_x = rintf(width * (.2f + .6f * i / (sinks - 1.f))) + .5f;
-                       cairo_move_to (cr, si_x, height);
-                       cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
-                       cairo_stroke (cr);
-               }
-       } else if (audio_sources > 1 && sinks > 1) {
-               for (uint32_t i = 0 ; i < audio_sources; ++i) {
-                       const float si_x = rintf(width * (.2f + .6f * (i + midi_sinks) / (sinks - 1.f))) + .5f;
-                       const float si_x0 = rintf(width * (.2f + .6f * (i + midi_sources) / (sources - 1.f))) + .5f;
-                       cairo_move_to (cr, si_x, height);
-                       cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
-                       cairo_stroke (cr);
-               }
-       } else if (audio_sources == 1 && audio_sinks > 0) {
-               float si_x, si_x0;
-               if (sinks == 1) {
-                       si_x = rintf(width * .5f) + .5f;
-               } else {
-                       si_x = rintf(width * (.2f + .6f * midi_sinks / (sinks - 1.f))) + .5f;
+       cairo_destroy(cr);
+       return true;
+}
+
+void
+ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
+{
+       const uint32_t pc_in = _sinks.n_total();
+       const uint32_t pc_in_midi = _sinks.n_midi();
+
+       // TODO indicate midi-bypass ??
+       // TODO indicate side-chain
+
+       for (uint32_t i = 0; i < pc_in; ++i) {
+               const bool is_midi = i < pc_in_midi;
+               bool valid_in;
+               uint32_t pn = is_midi ? i : i - pc_in_midi;
+               DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
+               uint32_t idx = _in_map.get (dt, pn, &valid_in);
+               if (!valid_in) {
+                       double x = pin_x_pos (i, width, pc_in, 0, is_midi);
+                       draw_gnd (cr, x, height, is_midi);
+                       continue;
                }
-               if (sources == 1) {
-                       si_x0 = rintf(width * .5f) + .5f;
+               if (idx >= _in.get (dt)) {
+                       // side-chain, probably
+                       double x = pin_x_pos (i, width, pc_in, 0, is_midi);
+                       draw_sidechain (cr, x, height, is_midi);
+                       continue;
+               }
+               double c_x0;
+               double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
+
+               if (_feed) {
+                       bool valid_src;
+                       uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
+                       if (!valid_src) {
+                               double x = pin_x_pos (i, width, pc_in, 0, false);
+                               bool valid_thru;
+                               _f_thru_map.get (dt, idx, &valid_thru);
+                               if (valid_thru) {
+                                       draw_thru (cr, x, height, is_midi);
+                               } else {
+                                       draw_gnd (cr, x, height, is_midi);
+                               }
+                               continue;
+                       }
+                       c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
                } else {
-                       si_x0 = rintf(width * (.2f + .6f * midi_sources / (sources - 1.f))) + .5f;
+                       c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
                }
-               cairo_move_to (cr, si_x, height);
-               cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
-               cairo_stroke (cr);
-#ifndef NDEBUG
-       } else if (audio_sources != 0 && audio_sinks != 0) {
-               PBD::warning << string_compose("Programming error: audio routing display: A %1 -> %2 | M %3 -> %4 | T %5 -> %6",
-                               audio_sources, audio_sinks, midi_sources, midi_sinks, sources, sinks) << endmsg;
-#endif
+               draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
        }
-       cairo_destroy(cr);
-       return true;
 }
 
+void
+ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
+{
+       const uint32_t pc_out = _sources.n_total();
+       const uint32_t pc_out_midi = _sources.n_midi();
+
+       const uint32_t n_out = _out.n_total();
+       const uint32_t n_out_midi = _out.n_midi();
+
+       for (uint32_t i = 0; i < pc_out; ++i) {
+               const bool is_midi = i < pc_out_midi;
+               bool valid_out;
+               uint32_t pn = is_midi ? i : i - pc_out_midi;
+               DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
+               uint32_t idx = _out_map.get (dt, pn, &valid_out);
+               if (!valid_out) {
+                       continue;
+               }
+               double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
+               double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
+               draw_connection (cr, c_x0, c_x1, 0, height - 3, is_midi);
+       }
+
+       // output arrows
+       for (uint32_t i = 0; i < n_out; ++i) {
+               const bool is_midi = i < n_out_midi;
+               double x = pin_x_pos (i, width, n_out, 0, is_midi);
+               uint32_t pn = is_midi ? i : i - n_out_midi;
+               DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
+               bool valid_src;
+               _out_map.get_src (dt, pn, &valid_src);
+               if (!valid_src) {
+                       bool valid_thru;
+                       _thru_map.get (dt, pn, &valid_thru);
+                       if (valid_thru) {
+                               draw_thru (cr, x, height, is_midi);
+                       } else {
+                               draw_gnd (cr, x, height, is_midi);
+                       }
+               }
+               set_routing_color (cr, is_midi);
+               cairo_move_to (cr, x    , height);
+               cairo_line_to (cr, x - 3, height - 3);
+               cairo_line_to (cr, x + 3, height - 3);
+               cairo_close_path (cr);
+               cairo_fill (cr);
+       }
+}
 
 ProcessorEntry::PluginDisplay::PluginDisplay (boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
        : _plug (p)
@@ -1225,29 +1346,16 @@ ProcessorEntry::PluginDisplay::on_size_request (Gtk::Requisition* req)
        req->height = _cur_height;
 }
 
-bool
-ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
-{
-       Gtk::Allocation a = get_allocation();
-       double const width = a.get_width();
-       double const height = a.get_height();
-
-       Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
-       if (!dis) {
-               hide ();
-               if (_cur_height != 1) {
-                       _cur_height = 1;
-                       queue_resize ();
-               }
-               return true;
-       }
 
+void
+ProcessorEntry::PluginDisplay::update_height_alloc (uint32_t inline_height)
+{
        /* work-around scroll-bar + aspect ratio
         * show inline-view -> height changes -> scrollbar gets added
         * -> width changes -> inline-view, fixed aspect ratio -> height changes
         * -> scroll bar is removed [-> width changes ; repeat ]
         */
-       uint32_t shm = std::min (_max_height, (uint32_t) ceil (dis->height));
+       uint32_t shm = std::min (_max_height, inline_height);
        bool sc = false;
        Gtk::Container* pr = get_parent();
        for (uint32_t i = 0; i < 4 && pr; ++i) {
@@ -1267,7 +1375,15 @@ ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
                _cur_height = shm;
        }
        _scroll = sc;
+}
 
+uint32_t
+ProcessorEntry::PluginDisplay::render_inline (cairo_t* cr, uint32_t width)
+{
+       Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
+       if (!dis) {
+               return 0;
+       }
 
        /* allocate a local image-surface,
         * We cannot re-use the data via cairo_image_surface_create_for_data(),
@@ -1297,9 +1413,22 @@ ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
                        dst += dst_stride;
                }
        }
+
        cairo_surface_mark_dirty(_surf);
+       const double xc = floor ((width - dis->width) * .5);
+       cairo_set_source_surface(cr, _surf, xc, 0);
+       cairo_paint (cr);
+
+       return dis->height;
+}
+
+bool
+ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
+{
+       Gtk::Allocation a = get_allocation();
+       double const width = a.get_width();
+       double const height = a.get_height();
 
-       // all set. Now paint it black.
        cairo_t* cr = gdk_cairo_create (get_window()->gobj());
        cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
        cairo_clip (cr);
@@ -1313,12 +1442,23 @@ ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
        cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
        Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
        cairo_clip (cr);
+       cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
 
-       const double xc = floor ((width - dis->width) * .5);
-       cairo_set_source_surface(cr, _surf, xc, 0);
-       cairo_paint (cr);
+       uint32_t ht = render_inline (cr, width);
        cairo_restore (cr);
 
+       if (ht == 0) {
+               hide ();
+               if (_cur_height != 1) {
+                       _cur_height = 1;
+                       queue_resize ();
+               }
+               cairo_destroy (cr);
+               return true;
+       } else {
+               update_height_alloc (ht);
+       }
+
        bool failed = false;
        std::string name = get_name();
        ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
@@ -1333,6 +1473,42 @@ ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
        return true;
 }
 
+ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
+       : PluginDisplay (p, max_height)
+       , _luaproc (p)
+       , _lua_render_inline (0)
+{
+       p->setup_lua_inline_gui (&lua_gui);
+
+       lua_State* LG = lua_gui.getState ();
+       LuaInstance::bind_cairo (LG);
+       luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
+       assert (lua_render.isFunction ());
+       _lua_render_inline = new luabridge::LuaRef (lua_render);
+}
+
+ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
+{
+       delete (_lua_render_inline);
+}
+
+uint32_t
+ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
+{
+       Cairo::Context ctx (cr);
+       try {
+               luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
+               if (rv.isTable ()) {
+                       uint32_t h = rv[2];
+                       return h;
+               }
+       } catch (luabridge::LuaException const& e) {
+               ;
+       }
+       return 0;
+}
+
+
 static std::list<Gtk::TargetEntry> drop_targets()
 {
        std::list<Gtk::TargetEntry> tmp;
@@ -1368,10 +1544,16 @@ ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelecto
        , _rr_selection(rsel)
        , processor_display (drop_targets())
        , _redisplay_pending (false)
-
 {
        set_session (sess);
 
+       /* ProcessorBox actions and bindings created statically by call to
+        * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
+        * are available for context menus.
+        */
+
+       processor_display.set_data ("ardour-bindings", bindings);
+
        _width = Wide;
        processor_menu = 0;
        no_processor_redisplay = false;
@@ -1752,6 +1934,8 @@ ProcessorBox::show_processor_menu (int arg)
                pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
        }
 
+       manage_pins_action->set_sensitive (pi != 0);
+
        /* allow editing with an Ardour-generated UI for plugin inserts with editors */
        edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
 
@@ -1778,13 +1962,25 @@ ProcessorBox::show_processor_menu (int arg)
 bool
 ProcessorBox::enter_notify (GdkEventCrossing*)
 {
+       processor_display.grab_focus ();
        _current_processor_box = this;
        return false;
 }
 
 bool
-ProcessorBox::leave_notify (GdkEventCrossing*)
+ProcessorBox::leave_notify (GdkEventCrossing* ev)
 {
+       if (ev->detail == GDK_NOTIFY_INFERIOR) {
+               return false;
+       }
+
+       Widget* top = get_toplevel();
+
+       if (top->is_toplevel()) {
+               Window* win = dynamic_cast<Window*> (top);
+               gtk_window_set_focus (win->gobj(), 0);
+       }
+
        return false;
 }
 
@@ -1808,8 +2004,9 @@ ProcessorBox::processor_operation (ProcessorOperation op)
        }
 */
 
-       if ( (op == ProcessorsDelete) && targets.empty() )
+       if ((op == ProcessorsDelete) && targets.empty()) {
                return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
+       }
 
        switch (op) {
        case ProcessorsSelectAll:
@@ -1997,6 +2194,7 @@ ProcessorBox::choose_lua ()
                default:
                        return true;
        }
+       ss.hide ();
 
        PluginPtr p;
        try {
@@ -2039,8 +2237,8 @@ ProcessorBox::use_plugins (const SelectedPlugins& plugins)
                        weird_plugin_dialog (**p, err_streams);
                        return true;
                        // XXX SHAREDPTR delete plugin here .. do we even need to care?
-               } else if (plugins.size() == 1 && Config->get_open_gui_after_adding_plugin()) {
-                       if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && Config->get_prefer_inline_over_gui()) {
+               } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
+                       if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
                                ;
                        } else if (_session->engine().connected () && processor_can_be_edited (processor)) {
                                if ((*p)->has_editor ()) {
@@ -2246,6 +2444,8 @@ ProcessorBox::redisplay_processors ()
 
        _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
        _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
+       _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
+
        setup_entry_positions ();
 }
 
@@ -2301,6 +2501,32 @@ ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
        WM::Manager::instance().register_window (wp);
 }
 
+void
+ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
+{
+       boost::shared_ptr<Processor> p = w.lock ();
+       if (!p || p->pinmgr_proxy ()) {
+               return;
+       }
+
+       PluginPinWindowProxy* wp = new PluginPinWindowProxy (
+                       string_compose ("PM-%2-%3", _route->id(), p->id()), w);
+       wp->set_session (_session);
+
+       const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
+       if (ui_xml) {
+               wp->set_state (*ui_xml, 0);
+       }
+
+       void* existing_ui = p->get_ui ();
+
+       if (existing_ui) {
+               wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
+       }
+
+       p->set_pingmgr_proxy (wp);
+       WM::Manager::instance().register_window (wp);
+}
 void
 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
 {
@@ -2396,6 +2622,102 @@ ProcessorBox::reordered ()
        setup_entry_positions ();
 }
 
+void
+ProcessorBox::setup_routing_feeds ()
+{
+       list<ProcessorEntry*> children = processor_display.children ();
+       for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
+               boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
+               boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
+
+               list<ProcessorEntry*>::iterator next = i;
+               next++;
+
+               if (pi) {
+                       ChanCount sinks = pi->natural_input_streams ();
+                       ChanCount sources = pi->natural_output_streams ();
+                       uint32_t count = pi->get_count ();
+                       ChanCount in, out;
+                       pi->configured_io (in, out);
+
+                       ChanCount midi_thru;
+                       ChanCount midi_bypass;
+                       ChanMapping input_map (pi->input_map ());
+                       if (pi->has_midi_thru ()) {
+                                midi_thru.set(DataType::MIDI, 1);
+                                input_map.set (DataType::MIDI, 0, 0);
+                       }
+                       if (pi->has_midi_bypass ()) {
+                                midi_bypass.set(DataType::MIDI, 1);
+                       }
+
+                       (*i)->input_icon.set_ports (sinks * count + midi_thru);
+                       (*i)->output_icon.set_ports (sources * count + midi_bypass);
+
+                       (*i)->routing_icon.set (
+                                       in, out,
+                                       sinks * count + midi_thru,
+                                       sources * count + midi_bypass,
+                                       input_map,
+                                       pi->output_map (),
+                                       pi->thru_map ());
+
+                       if (next != children.end()) {
+                               (*next)->routing_icon.set_feed (out, sources * count + midi_bypass, pi->output_map (), pi->thru_map ());
+                       }
+
+               } else {
+                       (*i)->input_icon.set_ports (p->input_streams());
+                       (*i)->output_icon.set_ports (p->output_streams());
+                       ChanMapping inmap (p->input_streams ());
+                       ChanMapping outmap (p->input_streams ());
+                       ChanMapping thrumap;
+                       (*i)->routing_icon.set (
+                                       p->input_streams(),
+                                       p->output_streams(),
+                                       p->input_streams(),
+                                       p->output_streams(),
+                                       inmap, outmap, thrumap);
+
+                       if (next != children.end()) {
+                               (*next)->routing_icon.set_feed (p->output_streams(),  p->output_streams(), outmap, thrumap);
+                       }
+               }
+
+               if (i == children.begin()) {
+                       (*i)->routing_icon.unset_feed ();
+               }
+       }
+
+       for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
+               if ((*i)->routing_icon.identity ()) {
+                       (*i)->routing_icon.hide();
+                       if (i == children.begin()) {
+                               (*i)->input_icon.show();
+                       } else {
+                               (*i)->input_icon.hide();
+                       }
+               } else {
+                       (*i)->routing_icon.show();
+                       (*i)->routing_icon.queue_draw();
+                       (*i)->input_icon.show();
+               }
+
+               list<ProcessorEntry*>::iterator next = i;
+               if (++next == children.end()) {
+                       // show additional wires if outputs of last processor are not an identity map.
+                       if ((*i)->routing_icon.out_identity ()) {
+                               (*i)->output_routing_icon.hide();
+                       } else {
+                               (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
+                               (*i)->output_routing_icon.show();
+                       }
+               } else {
+                       (*i)->output_routing_icon.hide();
+               }
+       }
+}
+
 void
 ProcessorBox::setup_entry_positions ()
 {
@@ -2416,6 +2738,7 @@ ProcessorBox::setup_entry_positions ()
                        }
                }
        }
+       setup_routing_feeds ();
 }
 
 void
@@ -2578,7 +2901,7 @@ ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
                    (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
                        node->add_child_nocopy ((*i)->get_state());
                }
-       }
+       }
 
        _rr_selection.set (node);
 }
@@ -3085,73 +3408,80 @@ ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
 void
 ProcessorBox::register_actions ()
 {
-       Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = processor_box_actions.create_action_group (X_("ProcessorMenu"));
+       processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
+
        Glib::RefPtr<Action> act;
 
        /* new stuff */
-       processor_box_actions.register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
+       myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
                        sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
 
-       act = processor_box_actions.register_action (popup_act_grp, X_("newlua"), _("New Lua Proc"),
+       act = myactions.register_action (processor_box_actions, X_("newlua"), _("New Lua Proc"),
                        sigc::ptr_fun (ProcessorBox::rb_choose_lua));
-       act = processor_box_actions.register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
+       act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
                        sigc::ptr_fun (ProcessorBox::rb_choose_insert));
        ActionManager::engine_sensitive_actions.push_back (act);
-       act = processor_box_actions.register_action (popup_act_grp, X_("newsend"), _("New External Send ..."),
+       act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
                        sigc::ptr_fun (ProcessorBox::rb_choose_send));
        ActionManager::engine_sensitive_actions.push_back (act);
 
-       processor_box_actions.register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
+       myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
 
-       processor_box_actions.register_action (popup_act_grp, X_("controls"), _("Controls"));
-       processor_box_actions.register_action (popup_act_grp, X_("send_options"), _("Send Options"));
+       myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
+       myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
 
-       processor_box_actions.register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
+       myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
                        sigc::ptr_fun (ProcessorBox::rb_clear));
-       processor_box_actions.register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
+       myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
                        sigc::ptr_fun (ProcessorBox::rb_clear_pre));
-       processor_box_actions.register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
+       myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
                        sigc::ptr_fun (ProcessorBox::rb_clear_post));
 
        /* standard editing stuff */
 
-       cut_action = processor_box_actions.register_action (popup_act_grp, X_("cut"), _("Cut"),
+       cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
                                                            sigc::ptr_fun (ProcessorBox::rb_cut));
-       copy_action = processor_box_actions.register_action (popup_act_grp, X_("copy"), _("Copy"),
+       copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
                                                             sigc::ptr_fun (ProcessorBox::rb_copy));
-       delete_action = processor_box_actions.register_action (popup_act_grp, X_("delete"), _("Delete"),
+       delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
                                                               sigc::ptr_fun (ProcessorBox::rb_delete));
 
        ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
        ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
        ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
 
-       paste_action = processor_box_actions.register_action (popup_act_grp, X_("paste"), _("Paste"),
+       paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
                        sigc::ptr_fun (ProcessorBox::rb_paste));
-       rename_action = processor_box_actions.register_action (popup_act_grp, X_("rename"), _("Rename"),
+       rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
                        sigc::ptr_fun (ProcessorBox::rb_rename));
-       processor_box_actions.register_action (popup_act_grp, X_("selectall"), _("Select All"),
+       myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
                        sigc::ptr_fun (ProcessorBox::rb_select_all));
-       processor_box_actions.register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
+       myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
                        sigc::ptr_fun (ProcessorBox::rb_deselect_all));
 
        /* activation etc. */
 
-       processor_box_actions.register_action (popup_act_grp, X_("activate_all"), _("Activate All"),
+       myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
                        sigc::ptr_fun (ProcessorBox::rb_activate_all));
-       processor_box_actions.register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate All"),
+       myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
                        sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
-       processor_box_actions.register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
+       myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
                        sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
 
+       manage_pins_action = myactions.register_action (
+               processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
+               sigc::ptr_fun (ProcessorBox::rb_manage_pins));
+
        /* show editors */
-       edit_action = processor_box_actions.register_action (
-               popup_act_grp, X_("edit"), _("Edit..."),
+       edit_action = myactions.register_action (
+               processor_box_actions, X_("edit"), _("Edit..."),
                sigc::ptr_fun (ProcessorBox::rb_edit));
 
-       edit_generic_action = processor_box_actions.register_action (
-               popup_act_grp, X_("edit-generic"), _("Edit with generic controls..."),
+       edit_generic_action = myactions.register_action (
+               processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
                sigc::ptr_fun (ProcessorBox::rb_edit_generic));
+
+       load_bindings ();
 }
 
 void
@@ -3174,6 +3504,15 @@ ProcessorBox::rb_ab_plugins ()
        _current_processor_box->ab_plugins ();
 }
 
+void
+ProcessorBox::rb_manage_pins ()
+{
+       if (_current_processor_box == 0) {
+               return;
+       }
+
+       _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
+}
 void
 ProcessorBox::rb_choose_plugin ()
 {
@@ -3403,6 +3742,20 @@ ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
        }
 }
 
+void
+ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
+{
+       if (!processor) {
+               return;
+       }
+       PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
+       if (proxy) {
+               proxy->get (true);
+               proxy->present();
+       }
+}
+
+
 void
 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
 {
@@ -3420,7 +3773,7 @@ ProcessorBox::route_property_changed (const PropertyChange& what_changed)
 
        for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
 
-               processor = (*iter)->processor ();
+               processor = (*iter)->processor ();
 
                if (!processor) {
                        continue;
@@ -3526,6 +3879,10 @@ void
 ProcessorBox::processor_menu_unmapped ()
 {
        processor_display.remove_placeholder ();
+       /* make all possibly-desensitized actions sensitive again so that
+          they be activated by other means (e.g. bindings)
+       */
+       ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
 }
 
 XMLNode *
@@ -3660,7 +4017,7 @@ ProcessorWindowProxy::get (bool create)
                        setup ();
                }
        }
-
+       _window->show_all ();
        return _window;
 }
 
@@ -3678,3 +4035,67 @@ ProcessorWindowProxy::show_the_right_window ()
 
        toggle ();
 }
+
+
+PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
+       : WM::ProxyBase (name, string())
+       , _processor (processor)
+{
+       boost::shared_ptr<Processor> p = _processor.lock ();
+       if (!p) {
+               return;
+       }
+       p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
+}
+
+PluginPinWindowProxy::~PluginPinWindowProxy()
+{
+       _window = 0;
+}
+
+ARDOUR::SessionHandlePtr*
+PluginPinWindowProxy::session_handle ()
+{
+       ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
+       if (aw) { return aw; }
+       return 0;
+}
+
+Gtk::Window*
+PluginPinWindowProxy::get (bool create)
+{
+       boost::shared_ptr<Processor> p = _processor.lock ();
+       boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
+       if (!p || !pi) {
+               return 0;
+       }
+
+       if (!_window) {
+               if (!create) {
+                       return 0;
+               }
+               _window = new PluginPinDialog (pi);
+               ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
+               if (aw) {
+                       aw->set_session (_session);
+               }
+       }
+
+       _window->show_all ();
+       return _window;
+}
+
+void
+PluginPinWindowProxy::processor_going_away ()
+{
+       delete _window;
+       _window = 0;
+       WM::Manager::instance().remove (this);
+       going_away_connection.disconnect();
+}
+
+void
+ProcessorBox::load_bindings ()
+{
+       bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
+}