MCP:maybe functioning button binding stuff, plus save-to-disk-on-change (still needs...
[ardour.git] / libs / surfaces / mackie / mackie_control_protocol.cc
index cc345eb7df657642c586fc30b48cd64b7f28e143..e75d1824e2f2afb8551340f1d90bc1ec2a10294b 100644 (file)
@@ -39,6 +39,7 @@
 #include "pbd/memento_command.h"
 #include "pbd/convert.h"
 
+#include "ardour/automation_control.h"
 #include "ardour/dB.h"
 #include "ardour/debug.h"
 #include "ardour/location.h"
@@ -48,6 +49,7 @@
 #include "ardour/route.h"
 #include "ardour/session.h"
 #include "ardour/tempo.h"
+#include "ardour/track.h"
 #include "ardour/types.h"
 #include "ardour/audioengine.h"
 
@@ -55,6 +57,7 @@
 
 #include "midi_byte_array.h"
 #include "mackie_control_exception.h"
+#include "device_profile.h"
 #include "surface_port.h"
 #include "surface.h"
 #include "strip.h"
@@ -78,8 +81,8 @@ using namespace Glib;
 
 const int MackieControlProtocol::MODIFIER_OPTION = 0x1;
 const int MackieControlProtocol::MODIFIER_CONTROL = 0x2;
-const int MackieControlProtocol::MODIFIER_SHIFT = 0x3;
-const int MackieControlProtocol::MODIFIER_CMDALT = 0x4;
+const int MackieControlProtocol::MODIFIER_SHIFT = 0x4;
+const int MackieControlProtocol::MODIFIER_CMDALT = 0x8;
 
 MackieControlProtocol* MackieControlProtocol::_instance = 0;
 
@@ -98,14 +101,18 @@ MackieControlProtocol::MackieControlProtocol (Session& session)
        , _gui (0)
        , _zoom_mode (false)
        , _scrub_mode (false)
-       , _flip_mode (Normal)
-       , _view_mode (Global)
+       , _flip_mode (false)
+       , _view_mode (Mixer)
        , _current_selected_track (-1)
+       , _modifier_state (0)
 {
        DEBUG_TRACE (DEBUG::MackieControl, "MackieControlProtocol::MackieControlProtocol\n");
 
        DeviceInfo::reload_device_info ();
+       DeviceProfile::reload_device_profiles ();
+
        set_device (Config->get_mackie_device_name());
+       set_profile (Config->get_mackie_device_profile());
 
        AudioEngine::instance()->PortConnectedOrDisconnected.connect (
                audio_engine_connections, MISSING_INVALIDATOR, ui_bind (&MackieControlProtocol::port_connected_or_disconnected, this, _2, _4, _5),
@@ -227,7 +234,7 @@ MackieControlProtocol::get_sorted_routes()
                }
 
                switch (_view_mode) {
-               case Global:
+               case Mixer:
                        break;
                case AudioTracks:
                        break;
@@ -334,7 +341,6 @@ MackieControlProtocol::switch_banks (uint32_t initial, bool force)
        set_view_mode (_view_mode);
        
        /* current bank has not been saved */
-
        session->set_dirty();
 }
 
@@ -388,8 +394,14 @@ MackieControlProtocol::periodic ()
                return false;
        }
 
+       struct timeval now;
+       uint64_t now_usecs;
+       gettimeofday (&now, 0);
+
+       now_usecs = (now.tv_sec * 1000000) + now.tv_usec;
+
        for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
-               (*s)->periodic ();
+               (*s)->periodic (now_usecs);
        }
        
        return true;
@@ -401,12 +413,12 @@ MackieControlProtocol::update_timecode_beats_led()
 {
        switch (_timecode_type) {
                case ARDOUR::AnyTime::BBT:
-                       update_global_led ("beats", on);
-                       update_global_led ("timecode", off);
+                       update_global_led (Led::Beats, on);
+                       update_global_led (Led::Timecode, off);
                        break;
                case ARDOUR::AnyTime::Timecode:
-                       update_global_led ("timecode", on);
-                       update_global_led ("beats", off);
+                       update_global_led (Led::Timecode, on);
+                       update_global_led (Led::Beats, off);
                        break;
                default:
                        ostringstream os;
@@ -416,7 +428,7 @@ MackieControlProtocol::update_timecode_beats_led()
 }
 
 void 
-MackieControlProtocol::update_global_button (const string & name, LedState ls)
+MackieControlProtocol::update_global_button (int id, LedState ls)
 {
        boost::shared_ptr<Surface> surface = surfaces.front();
 
@@ -424,16 +436,17 @@ MackieControlProtocol::update_global_button (const string & name, LedState ls)
                return;
        }
 
-       if (surface->controls_by_name.find (name) != surface->controls_by_name.end()) {
-               Button * button = dynamic_cast<Button*> (surface->controls_by_name[name]);
+       map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (id);
+       if (x != surface->controls_by_device_independent_id.end()) {
+               Button * button = dynamic_cast<Button*> (x->second);
                surface->write (button->set_state (ls));
        } else {
-               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Button %1 not found\n", name));
+               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Button %1 not found\n", id));
        }
 }
 
 void 
-MackieControlProtocol::update_global_led (const string & name, LedState ls)
+MackieControlProtocol::update_global_led (int id, LedState ls)
 {
        boost::shared_ptr<Surface> surface = surfaces.front();
 
@@ -441,11 +454,12 @@ MackieControlProtocol::update_global_led (const string & name, LedState ls)
                return;
        }
 
-       if (surface->controls_by_name.find (name) != surface->controls_by_name.end()) {
-               Led * led = dynamic_cast<Led*> (surface->controls_by_name[name]);
+       map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (id);
+       if (x != surface->controls_by_device_independent_id.end()) {
+               Led * led = dynamic_cast<Led*> (x->second);
                surface->write (led->set_state (ls));
        } else {
-               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Led %1 not found\n", name));
+               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Led %1 not found\n", id));
        }
 }
 
@@ -496,6 +510,23 @@ MackieControlProtocol::connect_session_signals()
        }
 }
 
+void
+MackieControlProtocol::set_profile (const string& profile_name)
+{
+       if (profile_name == "default") {
+               /* reset to default */
+               _device_profile = DeviceProfile (profile_name);
+       }
+
+       map<string,DeviceProfile>::iterator d = DeviceProfile::device_profiles.find (profile_name);
+
+       if (d == DeviceProfile::device_profiles.end()) {
+               return;
+       }
+       
+       _device_profile = d->second;
+}      
+
 void
 MackieControlProtocol::set_device (const string& device_name)
 {
@@ -605,12 +636,6 @@ MackieControlProtocol::get_state()
        os << _current_initial_bank;
        node->add_property (X_("bank"), os.str());
 
-       for (uint32_t n = 0; n < 16; ++n) {
-               ostringstream s;
-               s << string_compose ("f%1-action", n+1);
-               node->add_property (s.str().c_str(), f_action (n));
-       }
-
        return *node;
 }
 
@@ -632,23 +657,6 @@ MackieControlProtocol::set_state (const XMLNode & node, int /*version*/)
                }
        }
 
-       _f_actions.clear ();
-       _f_actions.resize (16);
-
-       for (uint32_t n = 0; n < 16; ++n) {
-               string action;
-               if ((prop = node.property (string_compose ("f%1-action", n+1))) != 0) {
-                       action = prop->value();
-               }
-
-               if (action.empty()) {
-                       /* default action if nothing is specified */
-                       action = string_compose ("Editor/goto-visual-state-%1", n+1);
-               }
-
-               _f_actions[n] = action;
-       }
-
        return retval;
 }
 
@@ -747,11 +755,11 @@ MackieControlProtocol::update_timecode_display()
 void MackieControlProtocol::notify_parameter_changed (std::string const & p)
 {
        if (p == "punch-in") {
-               update_global_button ("punch_in", session->config.get_punch_in());
+               update_global_button (Button::PunchIn, session->config.get_punch_in());
        } else if (p == "punch-out") {
-               update_global_button ("punch_out", session->config.get_punch_out());
+               update_global_button (Button::PunchOut, session->config.get_punch_out());
        } else if (p == "clicking") {
-               update_global_button ("clicking", Config->get_clicking());
+               // update_global_button (Button::RelayClick, Config->get_clicking());
        } else {
                DEBUG_TRACE (DEBUG::MackieControl, string_compose ("parameter changed: %1\n", p));
        }
@@ -781,10 +789,12 @@ MackieControlProtocol::notify_solo_active_changed (bool active)
 {
        boost::shared_ptr<Surface> surface = surfaces.front();
        
-       Led* rude_solo = dynamic_cast<Led*> (surface->controls_by_name["solo"]);
-
-       if (rude_solo) {
-               surface->write (rude_solo->set_state (active ? flashing : off));
+       map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (Led::RudeSolo);
+       if (x != surface->controls_by_device_independent_id.end()) {
+               Led* rude_solo = dynamic_cast<Led*> (x->second);
+               if (rude_solo) {
+                       surface->write (rude_solo->set_state (active ? flashing : off));
+               }
        }
 }
 
@@ -813,17 +823,17 @@ MackieControlProtocol::notify_remote_id_changed()
 void 
 MackieControlProtocol::notify_loop_state_changed()
 {
-       update_global_button ("loop", session->get_play_loop());
+       update_global_button (Button::Loop, session->get_play_loop());
 }
 
 void 
 MackieControlProtocol::notify_transport_state_changed()
 {
        // switch various play and stop buttons on / off
-       update_global_button ("play", session->transport_speed() == 1.0);
-       update_global_button ("stop", !session->transport_rolling());
-       update_global_button ("rewind", session->transport_speed() < 0.0);
-       update_global_button ("ffwd", session->transport_speed() > 1.0);
+       update_global_button (Button::Play, session->transport_speed() == 1.0);
+       update_global_button (Button::Stop, !session->transport_rolling());
+       update_global_button (Button::Rewind, session->transport_speed() < 0.0);
+       update_global_button (Button::Ffwd, session->transport_speed() > 1.0);
 
        _transport_previously_rolling = session->transport_rolling();
 }
@@ -831,31 +841,33 @@ MackieControlProtocol::notify_transport_state_changed()
 void
 MackieControlProtocol::notify_record_state_changed ()
 {
-       /* rec is a tristate */
-
+       boost::shared_ptr<Surface> surface = surfaces.front();
 
-       Button * rec = reinterpret_cast<Button*> (surfaces.front()->controls_by_name["record"]);
-       if (rec) {
-               LedState ls;
+       /* rec is a tristate */
 
-               switch (session->record_status()) {
-               case Session::Disabled:
-                       DEBUG_TRACE (DEBUG::MackieControl, "record state changed to disabled, LED off\n");
-                       ls = off;
-                       break;
-               case Session::Recording:
-                       DEBUG_TRACE (DEBUG::MackieControl, "record state changed to recording, LED on\n");
-                       ls = on;
-                       break;
-               case Session::Enabled:
-                       DEBUG_TRACE (DEBUG::MackieControl, "record state changed to enabled, LED flashing\n");
-                       ls = flashing;
-                       break;
+       map<int,Control*>::iterator x = surface->controls_by_device_independent_id.find (Button::Record);
+       if (x != surface->controls_by_device_independent_id.end()) {
+               Button * rec = dynamic_cast<Button*> (x->second);
+               if (rec) {
+                       LedState ls;
+                       
+                       switch (session->record_status()) {
+                       case Session::Disabled:
+                               DEBUG_TRACE (DEBUG::MackieControl, "record state changed to disabled, LED off\n");
+                               ls = off;
+                               break;
+                       case Session::Recording:
+                               DEBUG_TRACE (DEBUG::MackieControl, "record state changed to recording, LED on\n");
+                               ls = on;
+                               break;
+                       case Session::Enabled:
+                               DEBUG_TRACE (DEBUG::MackieControl, "record state changed to enabled, LED flashing\n");
+                               ls = flashing;
+                               break;
+                       }
+                       
+                       surface->write (rec->set_state (ls));
                }
-
-               surfaces.front()->write (rec->set_state (ls));
-       } else {
-               DEBUG_TRACE (DEBUG::MackieControl, "record button control not found\n");
        }
 }
 
@@ -909,46 +921,6 @@ MackieControlProtocol::stop ()
        return 0;
 }
 
-/** Add a timeout so that a control's in_use flag will be reset some time in the future.
- *  @param in_use_control the control whose in_use flag to reset.
- *  @param touch_control a touch control to emit an event for, or 0.
- */
-void
-MackieControlProtocol::add_in_use_timeout (Surface& surface, Control& in_use_control, Control* touch_control)
-{
-       Glib::RefPtr<Glib::TimeoutSource> timeout (Glib::TimeoutSource::create (250)); // milliseconds
-
-       in_use_control.in_use_connection.disconnect ();
-       in_use_control.in_use_connection = timeout->connect (
-               sigc::bind (sigc::mem_fun (*this, &MackieControlProtocol::control_in_use_timeout), &surface, &in_use_control, touch_control));
-       in_use_control.in_use_touch_control = touch_control;
-       
-       timeout->attach (main_loop()->get_context());
-
-       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("timeout queued for surface %1, control %2 touch control %3\n",
-                                                          surface.number(), &in_use_control, touch_control));}
-
-/** Handle timeouts to reset in_use for controls that can't
- *  do this by themselves (e.g. pots, and faders without touch support).
- *  @param in_use_control the control whose in_use flag to reset.
- *  @param touch_control a touch control to emit an event for, or 0.
- */
-bool
-MackieControlProtocol::control_in_use_timeout (Surface* surface, Control* in_use_control, Control* touch_control)
-{
-       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("timeout elapsed for surface %1, control %2 touch control %3\n",
-                                                          surface->number(), in_use_control, touch_control));
-
-       in_use_control->set_in_use (false);
-
-       if (touch_control) {
-               /* figure out what to do here */
-       }
-       
-       // only call this method once from the timer
-       return false;
-}
-
 void 
 MackieControlProtocol::update_led (Surface& surface, Button& button, Mackie::LedState ls)
 {
@@ -960,9 +932,12 @@ MackieControlProtocol::update_led (Surface& surface, Button& button, Mackie::Led
 void
 MackieControlProtocol::build_button_map ()
 {
-#define DEFINE_BUTTON_HANDLER(b,p,r) button_map.insert (pair<int,ButtonHandlers> ((b), ButtonHandlers ((p),(r))));
+       /* this maps our device-independent button codes to the methods that handle them.
+        */
+
+#define DEFINE_BUTTON_HANDLER(b,p,r) button_map.insert (pair<Button::ID,ButtonHandlers> ((b), ButtonHandlers ((p),(r))));
 
-       DEFINE_BUTTON_HANDLER (Button::Io, &MackieControlProtocol::io_press, &MackieControlProtocol::io_release);
+       DEFINE_BUTTON_HANDLER (Button::IO, &MackieControlProtocol::io_press, &MackieControlProtocol::io_release);
        DEFINE_BUTTON_HANDLER (Button::Sends, &MackieControlProtocol::sends_press, &MackieControlProtocol::sends_release);
        DEFINE_BUTTON_HANDLER (Button::Pan, &MackieControlProtocol::pan_press, &MackieControlProtocol::pan_release);
        DEFINE_BUTTON_HANDLER (Button::Plugin, &MackieControlProtocol::plugin_press, &MackieControlProtocol::plugin_release);
@@ -1026,6 +1001,30 @@ MackieControlProtocol::build_button_map ()
        DEFINE_BUTTON_HANDLER (Button::Scrub, &MackieControlProtocol::scrub_press, &MackieControlProtocol::scrub_release);
        DEFINE_BUTTON_HANDLER (Button::UserA, &MackieControlProtocol::user_a_press, &MackieControlProtocol::user_a_release);
        DEFINE_BUTTON_HANDLER (Button::UserB, &MackieControlProtocol::user_b_press, &MackieControlProtocol::user_b_release);
+
+       DEFINE_BUTTON_HANDLER (Button::Snapshot, &MackieControlProtocol::snapshot_press, &MackieControlProtocol::snapshot_release);
+       DEFINE_BUTTON_HANDLER (Button::Read, &MackieControlProtocol::read_press, &MackieControlProtocol::read_release);
+       DEFINE_BUTTON_HANDLER (Button::Write, &MackieControlProtocol::write_press, &MackieControlProtocol::write_release);
+       DEFINE_BUTTON_HANDLER (Button::FdrGroup, &MackieControlProtocol::fdrgroup_press, &MackieControlProtocol::fdrgroup_release);
+       DEFINE_BUTTON_HANDLER (Button::ClearSolo, &MackieControlProtocol::clearsolo_press, &MackieControlProtocol::clearsolo_release);
+       DEFINE_BUTTON_HANDLER (Button::Track, &MackieControlProtocol::track_press, &MackieControlProtocol::track_release);
+       DEFINE_BUTTON_HANDLER (Button::Send, &MackieControlProtocol::send_press, &MackieControlProtocol::send_release);
+       DEFINE_BUTTON_HANDLER (Button::MidiTracks, &MackieControlProtocol::miditracks_press, &MackieControlProtocol::miditracks_release);
+       DEFINE_BUTTON_HANDLER (Button::Inputs, &MackieControlProtocol::inputs_press, &MackieControlProtocol::inputs_release);
+       DEFINE_BUTTON_HANDLER (Button::AudioTracks, &MackieControlProtocol::audiotracks_press, &MackieControlProtocol::audiotracks_release);
+       DEFINE_BUTTON_HANDLER (Button::AudioInstruments, &MackieControlProtocol::audioinstruments_press, &MackieControlProtocol::audioinstruments_release);
+       DEFINE_BUTTON_HANDLER (Button::Aux, &MackieControlProtocol::aux_press, &MackieControlProtocol::aux_release);
+       DEFINE_BUTTON_HANDLER (Button::Busses, &MackieControlProtocol::busses_press, &MackieControlProtocol::busses_release);
+       DEFINE_BUTTON_HANDLER (Button::Outputs, &MackieControlProtocol::outputs_press, &MackieControlProtocol::outputs_release);
+       DEFINE_BUTTON_HANDLER (Button::User, &MackieControlProtocol::user_press, &MackieControlProtocol::user_release);
+       DEFINE_BUTTON_HANDLER (Button::Trim, &MackieControlProtocol::trim_press, &MackieControlProtocol::trim_release);
+       DEFINE_BUTTON_HANDLER (Button::Latch, &MackieControlProtocol::latch_press, &MackieControlProtocol::latch_release);
+       DEFINE_BUTTON_HANDLER (Button::Grp, &MackieControlProtocol::grp_press, &MackieControlProtocol::grp_release);
+       DEFINE_BUTTON_HANDLER (Button::Nudge, &MackieControlProtocol::nudge_press, &MackieControlProtocol::nudge_release);
+       DEFINE_BUTTON_HANDLER (Button::Drop, &MackieControlProtocol::drop_press, &MackieControlProtocol::drop_release);
+       DEFINE_BUTTON_HANDLER (Button::Replace, &MackieControlProtocol::replace_press, &MackieControlProtocol::replace_release);
+       DEFINE_BUTTON_HANDLER (Button::Click, &MackieControlProtocol::click_press, &MackieControlProtocol::click_release);
+       DEFINE_BUTTON_HANDLER (Button::View, &MackieControlProtocol::view_press, &MackieControlProtocol::view_release);
 }
 
 void 
@@ -1038,7 +1037,25 @@ MackieControlProtocol::handle_button_event (Surface& surface, Button& button, Bu
        
        DEBUG_TRACE (DEBUG::MackieControl, string_compose ("Handling %1 for button %2\n", (bs == press ? "press" : "release"), button.id()));
 
-       ButtonMap::iterator b = button_map.find (button.id());
+       /* check profile first */
+       
+       string action = _device_profile.get_button_action (button.bid(), _modifier_state);
+       
+       if (!action.empty()) {
+               /* if there is a bound action for this button, and this is a press event,
+                  carry out the action. If its a release event, do nothing since we 
+                  don't bind to them at all but don't want any other handling to 
+                  occur either.
+               */
+               if (bs == press) {
+                       access_action (action);
+               }
+               return;
+       }
+
+       /* lookup using the device-INDEPENDENT button ID */
+
+       ButtonMap::iterator b = button_map.find (button.bid());
 
        if (b != button_map.end()) {
 
@@ -1054,23 +1071,10 @@ MackieControlProtocol::handle_button_event (Surface& surface, Button& button, Bu
                        break;
                }
        } else {
-               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("no button handlers for ID %1\n", button.id()));
-       }
-}
-
-void
-MackieControlProtocol::select_track (boost::shared_ptr<Route> r)
-{
-       if (_modifier_state == MODIFIER_SHIFT) {
-               r->gain_control()->set_value (0.0);
-       } else {
-               if (_current_selected_track > 0 && r->remote_control_id() == (uint32_t) _current_selected_track) {
-                       UnselectTrack (); /* EMIT SIGNAL */
-                       _current_selected_track = -1;
-               } else {
-                       SelectByRID (r->remote_control_id()); /* EMIT SIGNAL */
-                       _current_selected_track = r->remote_control_id();;
-               }
+               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("no button handlers for button ID %1 (device ID %2)\n", 
+                                                                  button.bid(), button.id()));
+               error << string_compose ("no button handlers for button ID %1 (device ID %2)\n", 
+                                        button.bid(), button.id()) << endmsg;
        }
 }
 
@@ -1109,25 +1113,6 @@ MackieControlProtocol::clear_ports ()
        port_sources.clear ();
 }
 
-string
-MackieControlProtocol::f_action (uint32_t fn)
-{
-       if (fn >= _f_actions.size()) {
-               return string();
-       }
-
-       return _f_actions[fn];
-}
-
-void
-MackieControlProtocol::f_press (uint32_t fn)
-{
-       string action = f_action (0);
-       if (!action.empty()) {
-               access_action (action);
-       }
-}
-
 void
 MackieControlProtocol::set_view_mode (ViewMode m)
 {
@@ -1140,9 +1125,9 @@ MackieControlProtocol::set_view_mode (ViewMode m)
 }
 
 void
-MackieControlProtocol::set_flip_mode (FlipMode m)
+MackieControlProtocol::set_flip_mode (bool yn)
 {
-       _flip_mode = m;
+       _flip_mode = yn;
        
        for (Surfaces::iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
                (*s)->update_flip_mode_display ();
@@ -1173,7 +1158,7 @@ MackieControlProtocol::force_special_route_to_strip (boost::shared_ptr<Route> r,
                        Strip* strip = (*s)->nth_strip (strip_number);
                        if (strip) {
                                strip->set_route (session->master_out());
-                               strip->lock_route ();
+                               strip->lock_controls ();
                        }
                }
        }
@@ -1186,3 +1171,197 @@ MackieControlProtocol::gui_track_selection_changed (ARDOUR::RouteNotificationLis
                (*s)->gui_selection_changed (rl);
        }
 }
+
+framepos_t
+MackieControlProtocol::transport_frame() const
+{
+       return session->transport_frame();
+}
+
+void
+MackieControlProtocol::add_down_select_button (int surface, int strip)
+{
+       _down_select_buttons.insert ((surface<<8)|(strip&0xf));
+}
+
+void
+MackieControlProtocol::remove_down_select_button (int surface, int strip)
+{
+       DownButtonList::iterator x = find (_down_select_buttons.begin(), _down_select_buttons.end(), (surface<<8)|(strip&0xf));
+       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("removing surface %1 strip %2 from down select buttons\n", surface, strip));
+       if (x != _down_select_buttons.end()) {
+               _down_select_buttons.erase (x);
+       } else {
+               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface %1 strip %2 not found in down select buttons\n",
+                                                                  surface, strip));
+       }
+}
+
+void
+MackieControlProtocol::select_range ()
+{
+       RouteList routes;
+
+       pull_route_range (_down_select_buttons, routes);
+
+       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("select range: found %1 routes\n", routes.size()));
+
+       if (!routes.empty()) {
+               for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
+                       if (r == routes.begin()) {
+                               SetRouteSelection ((*r)->remote_control_id());
+                       } else {
+                               AddRouteToSelection ((*r)->remote_control_id());
+                       }
+               }
+       }
+}
+
+void
+MackieControlProtocol::add_down_button (AutomationType a, int surface, int strip)
+{
+       DownButtonMap::iterator m = _down_buttons.find (a);
+
+       if (m == _down_buttons.end()) {
+               _down_buttons[a] = DownButtonList();
+       }
+
+       _down_buttons[a].insert ((surface<<8)|(strip&0xf));
+}
+
+void
+MackieControlProtocol::remove_down_button (AutomationType a, int surface, int strip)
+{
+       DownButtonMap::iterator m = _down_buttons.find (a);
+
+       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("removing surface %1 strip %2 from down buttons for %3\n", surface, strip, (int) a));
+
+       if (m == _down_buttons.end()) {
+               return;
+       }
+
+       DownButtonList& l (m->second);
+       DownButtonList::iterator x = find (l.begin(), l.end(), (surface<<8)|(strip&0xf));
+
+       if (x != l.end()) {
+               l.erase (x);
+       } else {
+               DEBUG_TRACE (DEBUG::MackieControl, string_compose ("surface %1 strip %2 not found in down buttons for %3\n",
+                                                                  surface, strip, (int) a));
+       }
+}
+
+MackieControlProtocol::ControlList
+MackieControlProtocol::down_controls (AutomationType p)
+{
+       ControlList controls;
+       RouteList routes;
+
+       DownButtonMap::iterator m = _down_buttons.find (p);
+
+       if (m == _down_buttons.end()) {
+               return controls;
+       }
+       
+       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("looking for down buttons for %1, got %2\n",
+                                                          p, m->second.size()));
+
+       pull_route_range (m->second, routes);
+       
+       switch (p) {
+       case GainAutomation:
+               for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
+                       controls.push_back ((*r)->gain_control());
+               }
+               break;
+       case SoloAutomation:
+               for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
+                       controls.push_back ((*r)->solo_control());
+               }
+               break;
+       case MuteAutomation:
+               for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
+                       controls.push_back ((*r)->mute_control());
+               }
+               break;
+       case RecEnableAutomation:
+               for (RouteList::iterator r = routes.begin(); r != routes.end(); ++r) {
+                       boost::shared_ptr<Track> trk = boost::dynamic_pointer_cast<Track> (*r);
+                       if (trk) {
+                               controls.push_back (trk->rec_enable_control());
+                       }
+               }
+               break;
+       default:
+               break;
+       }
+
+       return controls;
+
+}
+       
+struct ButtonRangeSorter {
+    bool operator() (const uint32_t& a, const uint32_t& b) {
+           return (a>>8) < (b>>8) // a.surface < b.surface
+                   ||
+                   ((a>>8) == (b>>8) && (a&0xf) < (b&0xf)); // a.surface == b.surface && a.strip < b.strip
+    }
+};
+
+void
+MackieControlProtocol::pull_route_range (DownButtonList& down, RouteList& selected)
+{
+       ButtonRangeSorter cmp;
+
+       if (down.empty()) {
+               return;
+       }
+
+       list<uint32_t> ldown;
+       ldown.insert (ldown.end(), down.begin(), down.end());
+       ldown.sort (cmp);
+
+       uint32_t first = ldown.front();
+       uint32_t last = ldown.back ();
+       
+       uint32_t first_surface = first>>8;
+       uint32_t first_strip = first&0xf;
+
+       uint32_t last_surface = last>>8;
+       uint32_t last_strip = last&0xf;
+
+       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("PRR %5 in list %1.%2 - %3.%4\n", first_surface, first_strip, last_surface, last_strip,
+                                                          down.size()));
+       
+       for (Surfaces::const_iterator s = surfaces.begin(); s != surfaces.end(); ++s) {
+               
+               if ((*s)->number() >= first_surface && (*s)->number() <= last_surface) {
+
+                       uint32_t fs;
+                       uint32_t ls;
+
+                       if ((*s)->number() == first_surface) {
+                               fs = first_strip;
+                       } else {
+                               fs = 0;
+                       }
+
+                       if ((*s)->number() == last_surface) {
+                               ls = last_strip;
+                               ls += 1;
+                       } else {
+                               ls = (*s)->n_strips ();
+                       }
+
+                       DEBUG_TRACE (DEBUG::MackieControl, string_compose ("adding strips for surface %1 (%2 .. %3)\n",
+                                                                          (*s)->number(), fs, ls));
+
+                       for (uint32_t n = fs; n < ls; ++n) {
+                               boost::shared_ptr<Route> r = (*s)->nth_strip (n)->route();
+                               if (r) {
+                                       selected.push_back (r);
+                               }
+                       }
+               }
+       }
+}