add some meaning to the otherwise useless clock tooltips
[ardour.git] / gtk2_ardour / rc_option_editor.cc
index a53e98871272aa437a0da6ec6edb559d89ec2689..978cea87cc7116ea0240384a8cc1a9c963d68c94 100644 (file)
@@ -1,13 +1,37 @@
+/*
+    Copyright (C) 2001-2011 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifdef WAF_BUILD
+#include "gtk2ardour-config.h"
+#endif
+
 #include <gtkmm/liststore.h>
 #include <gtkmm/stock.h>
 #include <gtkmm/scale.h>
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/slider_controller.h>
+#include <gtkmm2ext/gtk_ui.h>
 
 #include "pbd/fpu.h"
+#include "pbd/cpus.h"
 
 #include "midi++/manager.h"
-#include "midi++/factory.h"
 
 #include "ardour/audioengine.h"
 #include "ardour/dB.h"
@@ -15,6 +39,8 @@
 #include "ardour/control_protocol_manager.h"
 #include "control_protocol/control_protocol.h"
 
+#include "ardour_window.h"
+#include "ardour_dialog.h"
 #include "gui_thread.h"
 #include "midi_tracer.h"
 #include "rc_option_editor.h"
@@ -30,253 +56,34 @@ using namespace Gtkmm2ext;
 using namespace PBD;
 using namespace ARDOUR;
 
-class MIDIPorts : public OptionEditorBox
-{
-public:
-       MIDIPorts (RCConfiguration* c, list<ComboOption<string>* > const & o)
-               : _rc_config (c),
-                 _add_port_button (Stock::ADD),
-                 _port_combos (o)
-       {
-               _store = ListStore::create (_model);
-               _view.set_model (_store);
-               _view.append_column (_("Name"), _model.name);
-               _view.get_column(0)->set_resizable (true);
-               _view.get_column(0)->set_expand (true);
-               _view.append_column_editable (_("Online"), _model.online);
-               _view.append_column_editable (_("Trace input"), _model.trace_input);
-               _view.append_column_editable (_("Trace output"), _model.trace_output);
-
-               HBox* h = manage (new HBox);
-               h->set_spacing (4);
-               h->pack_start (_view, true, true);
-
-               VBox* v = manage (new VBox);
-               v->set_spacing (4);
-               v->pack_start (_add_port_button, false, false);
-               h->pack_start (*v, false, false);
-
-               _box->pack_start (*h);
-
-               ports_changed ();
-
-               _store->signal_row_changed().connect (sigc::mem_fun (*this, &MIDIPorts::model_changed));
-
-               _add_port_button.signal_clicked().connect (sigc::mem_fun (*this, &MIDIPorts::add_port_clicked));
-       }
-
-       void parameter_changed (string const &) {}
-       void set_state_from_config () {}
-
-private:
-
-        typedef std::map<MIDI::Port*,MidiTracer*> PortTraceMap;
-        PortTraceMap port_input_trace_map;
-        PortTraceMap port_output_trace_map;
-
-       void model_changed (TreeModel::Path const &, TreeModel::iterator const & i)
-       {
-               TreeModel::Row r = *i;
-
-               MIDI::Port* port = r[_model.port];
-               if (!port) {
-                       return;
-               }
-
-               if (port->input()) {
-
-                       if (r[_model.online] == port->input()->offline()) {
-                               port->input()->set_offline (!r[_model.online]);
-                       }
-
-                       if (r[_model.trace_input] != port->input()->tracing()) {
-                               PortTraceMap::iterator x = port_input_trace_map.find (port);
-                               MidiTracer* mt;
-
-                               if (x == port_input_trace_map.end()) {
-                                        mt = new MidiTracer (port->name() + string (" [input]"), *port->input());
-                                        port_input_trace_map.insert (pair<MIDI::Port*,MidiTracer*> (port, mt));
-                               } else {
-                                       mt = x->second;
-                               }
-                               mt->present ();
-                       }
-               }
-
-               if (port->output()) {
-
-                       if (r[_model.trace_output] != port->output()->tracing()) {
-                               PortTraceMap::iterator x = port_output_trace_map.find (port);
-                               MidiTracer* mt;
-
-                               if (x == port_output_trace_map.end()) {
-                                       mt = new MidiTracer (port->name() + string (" [output]"), *port->output());
-                                       port_output_trace_map.insert (pair<MIDI::Port*,MidiTracer*> (port, mt));
-                               } else {
-                                       mt = x->second;
-                               }
-                               mt->present ();
-                       }
-
-               }
-       }
-
-       void setup_ports_combo (ComboOption<string>* c)
-       {
-               c->clear ();
-               MIDI::Manager::PortList const & ports = MIDI::Manager::instance()->get_midi_ports ();
-               for (MIDI::Manager::PortList::const_iterator i = ports.begin(); i != ports.end(); ++i) {
-                       c->add ((*i)->name(), (*i)->name());
-               }
-       }       
-
-       void ports_changed ()
-       {
-               /* XXX: why is this coming from here? */
-               MIDI::Manager::PortList const & ports = MIDI::Manager::instance()->get_midi_ports ();
-
-               _store->clear ();
-               port_connections.drop_connections ();
-
-               for (MIDI::Manager::PortList::const_iterator i = ports.begin(); i != ports.end(); ++i) {
-
-                       TreeModel::Row r = *_store->append ();
-
-                       r[_model.name] = (*i)->name();
-
-                       if ((*i)->input()) {
-                               r[_model.online] = !(*i)->input()->offline();
-                               (*i)->input()->OfflineStatusChanged.connect (port_connections, MISSING_INVALIDATOR, boost::bind (&MIDIPorts::port_offline_changed, this, (*i)), gui_context());
-                               r[_model.trace_input] = (*i)->input()->tracing();
-                       }
-
-                       if ((*i)->output()) {
-                               r[_model.trace_output] = (*i)->output()->tracing();
-                       }
-
-                       r[_model.port] = (*i);
-               }
-
-               for (list<ComboOption<string>* >::iterator i = _port_combos.begin(); i != _port_combos.end(); ++i) {
-                       setup_ports_combo (*i);
-               }
-       }
-
-       void port_offline_changed (MIDI::Port* p)
-       {
-               if (!p->input()) {
-                       return;
-               }
-
-               for (TreeModel::Children::iterator i = _store->children().begin(); i != _store->children().end(); ++i) {
-                       if ((*i)[_model.port] == p) {
-                               (*i)[_model.online] = !p->input()->offline();
-                       }
-               }
-       }
-
-       void add_port_clicked ()
-       {
-               MidiPortDialog dialog;
-
-               dialog.set_position (WIN_POS_MOUSE);
-
-               dialog.show ();
-
-               int const r = dialog.run ();
-
-               switch (r) {
-               case RESPONSE_ACCEPT:
-                       break;
-               default:
-                       return;
-                       break;
-               }
-
-               Glib::ustring const mode = dialog.port_mode_combo.get_active_text ();
-               string smod;
-
-               if (mode == _("input")) {
-                       smod = X_("input");
-               } else if (mode == (_("output"))) {
-                       smod = X_("output");
-               } else {
-                       smod = "duplex";
-               }
-
-               XMLNode node (X_("MIDI-port"));
-
-               node.add_property ("tag", dialog.port_name.get_text());
-               node.add_property ("device", X_("ardour")); // XXX this can't be right for all types
-               node.add_property ("type", MIDI::PortFactory::default_port_type());
-               node.add_property ("mode", smod);
-
-               if (MIDI::Manager::instance()->add_port (node) != 0) {
-                       cerr << " there are now " << MIDI::Manager::instance()->nports() << endl;
-                       ports_changed ();
-               }
-       }
-
-       class MIDIModelColumns : public TreeModelColumnRecord
-       {
-       public:
-               MIDIModelColumns ()
-               {
-                       add (name);
-                       add (online);
-                       add (trace_input);
-                       add (trace_output);
-                       add (port);
-               }
-
-               TreeModelColumn<string> name;
-               TreeModelColumn<bool> online;
-               TreeModelColumn<bool> trace_input;
-               TreeModelColumn<bool> trace_output;
-               TreeModelColumn<MIDI::Port*> port;
-       };
-
-       RCConfiguration* _rc_config;
-       Glib::RefPtr<ListStore> _store;
-       MIDIModelColumns _model;
-       TreeView _view;
-       Button _add_port_button;
-       ComboBoxText _mtc_combo;
-       ComboBoxText _midi_clock_combo;
-       ComboBoxText _mmc_combo;
-       ComboBoxText _mpc_combo;
-       list<ComboOption<string>* > _port_combos;
-        PBD::ScopedConnectionList port_connections;
-};
-
-
 class ClickOptions : public OptionEditorBox
 {
 public:
-       ClickOptions (RCConfiguration* c, ArdourDialog* p)
+       ClickOptions (RCConfiguration* c, Gtk::Window* p)
                : _rc_config (c),
                  _parent (p)
        {
                Table* t = manage (new Table (2, 3));
                t->set_spacings (4);
 
-               Label* l = manage (new Label (_("Click audio file:")));
-               l->set_alignment (0, 0.5);
+               Label* l = manage (left_aligned_label (_("Click audio file:")));
                t->attach (*l, 0, 1, 0, 1, FILL);
                t->attach (_click_path_entry, 1, 2, 0, 1, FILL);
                Button* b = manage (new Button (_("Browse...")));
                b->signal_clicked().connect (sigc::mem_fun (*this, &ClickOptions::click_browse_clicked));
                t->attach (*b, 2, 3, 0, 1, FILL);
 
-               l = manage (new Label (_("Click emphasis audio file:")));
-               l->set_alignment (0, 0.5);
+               l = manage (left_aligned_label (_("Click emphasis audio file:")));
                t->attach (*l, 0, 1, 1, 2, FILL);
                t->attach (_click_emphasis_path_entry, 1, 2, 1, 2, FILL);
                b = manage (new Button (_("Browse...")));
                b->signal_clicked().connect (sigc::mem_fun (*this, &ClickOptions::click_emphasis_browse_clicked));
                t->attach (*b, 2, 3, 1, 2, FILL);
-
+               
                _box->pack_start (*t, false, false);
+
+               _click_path_entry.signal_activate().connect (sigc::mem_fun (*this, &ClickOptions::click_changed));      
+               _click_emphasis_path_entry.signal_activate().connect (sigc::mem_fun (*this, &ClickOptions::click_emphasis_changed));
        }
 
        void parameter_changed (string const & p)
@@ -314,6 +121,11 @@ private:
                _rc_config->set_click_sound (path);
        }
 
+       void click_changed ()
+       {
+               click_chosen (_click_path_entry.get_text ());
+       }
+       
        void click_emphasis_browse_clicked ()
        {
                SoundFileChooser sfdb (*_parent, _("Choose Click Emphasis"));
@@ -332,8 +144,13 @@ private:
                _rc_config->set_click_emphasis_sound (path);
        }
 
+       void click_emphasis_changed ()
+       {
+               click_emphasis_chosen (_click_emphasis_path_entry.get_text ());
+       }
+
        RCConfiguration* _rc_config;
-       ArdourDialog* _parent;
+       Gtk::Window* _parent;
        Entry _click_path_entry;
        Entry _click_emphasis_path_entry;
 };
@@ -353,16 +170,14 @@ public:
                _limit_undo_spin.set_range (0, 512);
                _limit_undo_spin.set_increments (1, 10);
                t->attach (_limit_undo_spin, 1, 2, 0, 1, FILL | EXPAND);
-               Label* l = manage (new Label (_("commands")));
-               l->set_alignment (0, 0.5);
+               Label* l = manage (left_aligned_label (_("commands")));
                t->attach (*l, 2, 3, 0, 1);
 
                t->attach (_save_undo_button, 0, 1, 1, 2, FILL);
                _save_undo_spin.set_range (0, 512);
                _save_undo_spin.set_increments (1, 10);
                t->attach (_save_undo_spin, 1, 2, 1, 2, FILL | EXPAND);
-               l = manage (new Label (_("commands")));
-               l->set_alignment (0, 0.5);
+               l = manage (left_aligned_label (_("commands")));
                t->attach (*l, 2, 3, 1, 2);
 
                _box->pack_start (*t);
@@ -443,7 +258,7 @@ static const struct {
        /* Command = Meta
           Option/Alt = Mod1
        */
-       { "Shift", GDK_SHIFT_MASK },
+       { "Key|Shift", GDK_SHIFT_MASK },
        { "Command", GDK_META_MASK },
        { "Control", GDK_CONTROL_MASK },
        { "Option", GDK_MOD1_MASK },
@@ -453,7 +268,7 @@ static const struct {
        { "Shift-Command-Option", GDK_MOD5_MASK|GDK_SHIFT_MASK|GDK_META_MASK },
 
 #else
-       { "Shift", GDK_SHIFT_MASK },
+       { "Key|Shift", GDK_SHIFT_MASK },
        { "Control", GDK_CONTROL_MASK },
        { "Alt (Mod1)", GDK_MOD1_MASK },
        { "Control-Shift", GDK_CONTROL_MASK|GDK_SHIFT_MASK },
@@ -476,14 +291,15 @@ public:
                  _delete_button_adjustment (3, 1, 12),
                  _delete_button_spin (_delete_button_adjustment),
                  _edit_button_adjustment (3, 1, 5),
-                 _edit_button_spin (_edit_button_adjustment)
-
+                 _edit_button_spin (_edit_button_adjustment),
+                 _insert_note_button_adjustment (3, 1, 5),
+                 _insert_note_button_spin (_insert_note_button_adjustment)
        {
                /* internationalize and prepare for use with combos */
 
                vector<string> dumb;
                for (int i = 0; modifiers[i].name; ++i) {
-                       dumb.push_back (_(modifiers[i].name));
+                       dumb.push_back (S_(modifiers[i].name));
                }
 
                set_popdown_strings (_edit_modifier_combo, dumb);
@@ -491,7 +307,7 @@ public:
 
                for (int x = 0; modifiers[x].name; ++x) {
                        if (modifiers[x].modifier == Keyboard::edit_modifier ()) {
-                               _edit_modifier_combo.set_active_text (_(modifiers[x].name));
+                               _edit_modifier_combo.set_active_text (S_(modifiers[x].name));
                                break;
                        }
                }
@@ -499,9 +315,8 @@ public:
                Table* t = manage (new Table (4, 4));
                t->set_spacings (4);
 
-               Label* l = manage (new Label (_("Edit using:")));
+               Label* l = manage (left_aligned_label (_("Edit using:")));
                l->set_name ("OptionsLabel");
-               l->set_alignment (0, 0.5);
 
                t->attach (*l, 0, 1, 0, 1, FILL | EXPAND, FILL);
                t->attach (_edit_modifier_combo, 1, 2, 0, 1, FILL | EXPAND, FILL);
@@ -521,14 +336,13 @@ public:
 
                for (int x = 0; modifiers[x].name; ++x) {
                        if (modifiers[x].modifier == Keyboard::delete_modifier ()) {
-                               _delete_modifier_combo.set_active_text (_(modifiers[x].name));
+                               _delete_modifier_combo.set_active_text (S_(modifiers[x].name));
                                break;
                        }
                }
 
-               l = manage (new Label (_("Delete using:")));
+               l = manage (left_aligned_label (_("Delete using:")));
                l->set_name ("OptionsLabel");
-               l->set_alignment (0, 0.5);
 
                t->attach (*l, 0, 1, 1, 2, FILL | EXPAND, FILL);
                t->attach (_delete_modifier_combo, 1, 2, 1, 2, FILL | EXPAND, FILL);
@@ -543,22 +357,49 @@ public:
                _delete_button_adjustment.set_value (Keyboard::delete_button());
                _delete_button_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &KeyboardOptions::delete_button_changed));
 
+
+               set_popdown_strings (_insert_note_modifier_combo, dumb);
+               _insert_note_modifier_combo.signal_changed().connect (sigc::mem_fun(*this, &KeyboardOptions::insert_note_modifier_chosen));
+
+               for (int x = 0; modifiers[x].name; ++x) {
+                       if (modifiers[x].modifier == Keyboard::insert_note_modifier ()) {
+                               _insert_note_modifier_combo.set_active_text (S_(modifiers[x].name));
+                               break;
+                       }
+               }
+
+               l = manage (left_aligned_label (_("Insert note using:")));
+               l->set_name ("OptionsLabel");
+
+               t->attach (*l, 0, 1, 2, 3, FILL | EXPAND, FILL);
+               t->attach (_insert_note_modifier_combo, 1, 2, 2, 3, FILL | EXPAND, FILL);
+
+               l = manage (new Label (_("+ button")));
+               l->set_name ("OptionsLabel");
+
+               t->attach (*l, 3, 4, 2, 3, FILL | EXPAND, FILL);
+               t->attach (_insert_note_button_spin, 4, 5, 2, 3, FILL | EXPAND, FILL);
+
+               _insert_note_button_spin.set_name ("OptionsEntry");
+               _insert_note_button_adjustment.set_value (Keyboard::insert_note_button());
+               _insert_note_button_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &KeyboardOptions::insert_note_button_changed));
+
+
                set_popdown_strings (_snap_modifier_combo, dumb);
                _snap_modifier_combo.signal_changed().connect (sigc::mem_fun(*this, &KeyboardOptions::snap_modifier_chosen));
 
                for (int x = 0; modifiers[x].name; ++x) {
                        if (modifiers[x].modifier == (guint) Keyboard::snap_modifier ()) {
-                               _snap_modifier_combo.set_active_text (_(modifiers[x].name));
+                               _snap_modifier_combo.set_active_text (S_(modifiers[x].name));
                                break;
                        }
                }
 
-               l = manage (new Label (_("Toggle snap using:")));
+               l = manage (left_aligned_label (_("Toggle snap using:")));
                l->set_name ("OptionsLabel");
-               l->set_alignment (0, 0.5);
 
-               t->attach (*l, 0, 1, 2, 3, FILL | EXPAND, FILL);
-               t->attach (_snap_modifier_combo, 1, 2, 2, 3, FILL | EXPAND, FILL);
+               t->attach (*l, 0, 1, 3, 4, FILL | EXPAND, FILL);
+               t->attach (_snap_modifier_combo, 1, 2, 3, 4, FILL | EXPAND, FILL);
 
                vector<string> strs;
 
@@ -570,12 +411,11 @@ public:
                _keyboard_layout_selector.set_active_text (Keyboard::current_binding_name());
                _keyboard_layout_selector.signal_changed().connect (sigc::mem_fun (*this, &KeyboardOptions::bindings_changed));
 
-               l = manage (new Label (_("Keyboard layout:")));
+               l = manage (left_aligned_label (_("Keyboard layout:")));
                l->set_name ("OptionsLabel");
-               l->set_alignment (0, 0.5);
 
-               t->attach (*l, 0, 1, 3, 4, FILL | EXPAND, FILL);
-               t->attach (_keyboard_layout_selector, 1, 2, 3, 4, FILL | EXPAND, FILL);
+               t->attach (*l, 0, 1, 4, 5, FILL | EXPAND, FILL);
+               t->attach (_keyboard_layout_selector, 1, 2, 4, 5, FILL | EXPAND, FILL);
 
                _box->pack_start (*t, false, false);
        }
@@ -631,6 +471,18 @@ private:
                }
        }
 
+       void insert_note_modifier_chosen ()
+       {
+               string const txt = _insert_note_modifier_combo.get_active_text();
+
+               for (int i = 0; modifiers[i].name; ++i) {
+                       if (txt == _(modifiers[i].name)) {
+                               Keyboard::set_insert_note_modifier (modifiers[i].modifier);
+                               break;
+                       }
+               }
+       }
+
        void snap_modifier_chosen ()
        {
                string const txt = _snap_modifier_combo.get_active_text();
@@ -653,14 +505,23 @@ private:
                Keyboard::set_edit_button (_edit_button_spin.get_value_as_int());
        }
 
+       void insert_note_button_changed ()
+       {
+               Keyboard::set_insert_note_button (_insert_note_button_spin.get_value_as_int());
+       }
+
        ComboBoxText _keyboard_layout_selector;
        ComboBoxText _edit_modifier_combo;
        ComboBoxText _delete_modifier_combo;
+       ComboBoxText _insert_note_modifier_combo;
        ComboBoxText _snap_modifier_combo;
        Adjustment _delete_button_adjustment;
        SpinButton _delete_button_spin;
        Adjustment _edit_button_adjustment;
        SpinButton _edit_button_spin;
+       Adjustment _insert_note_button_adjustment;
+       SpinButton _insert_note_button_spin;
+
 };
 
 class FontScalingOptions : public OptionEditorBox
@@ -713,86 +574,84 @@ private:
        HScale _dpi_slider;
 };
 
-class SoloMuteOptions : public OptionEditorBox
+class BufferingOptions : public OptionEditorBox
 {
 public:
-       SoloMuteOptions (RCConfiguration* c) :
-               _rc_config (c),
-               // 0.781787 is the value needed for gain to be set to 0.
-               _db_adjustment (0.781787, 0.0, 1.0, 0.01, 0.1)
-
+       BufferingOptions (RCConfiguration* c)
+                : _rc_config (c)
+               , _playback_adjustment (5, 1, 60, 1, 4)
+                , _capture_adjustment (5, 1, 60, 1, 4)
+                , _playback_slider (_playback_adjustment)
+               , _capture_slider (_capture_adjustment)
        {
-               if ((pix = ::get_icon ("fader_belt_h")) == 0) {
-                       throw failed_constructor();
-               }
+               _playback_adjustment.set_value (_rc_config->get_audio_playback_buffer_seconds());
 
-               _db_slider = manage (new HSliderController (pix,
-                                                           &_db_adjustment,
-                                                           115,
-                                                           false));
-
-               parameter_changed ("solo-mute-gain");
-
-               Label* l = manage (new Label (_("Solo mute cut (dB):")));
+               Label* l = manage (new Label (_("Playback (seconds of buffering):")));
                l->set_name ("OptionsLabel");
 
+               _playback_slider.set_update_policy (UPDATE_DISCONTINUOUS);
                HBox* h = manage (new HBox);
                h->set_spacing (4);
                h->pack_start (*l, false, false);
-               h->pack_start (*_db_slider, false, false);
-               h->pack_start (_db_display, false, false);
-                h->show_all ();
-
-               set_size_request_to_display_given_text (_db_display, "-99.0", 12, 12);
+               h->pack_start (_playback_slider, true, true);
 
                _box->pack_start (*h, false, false);
 
-               _db_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &SoloMuteOptions::db_changed));
-       }
+               _capture_adjustment.set_value (_rc_config->get_audio_capture_buffer_seconds());
 
-       void parameter_changed (string const & p)
-       {
-               if (p == "solo-mute-gain") {
-                       gain_t val = _rc_config->get_solo_mute_gain();
+               l = manage (new Label (_("Recording (seconds of buffering):")));
+               l->set_name ("OptionsLabel");
 
-                       _db_adjustment.set_value (gain_to_slider_position (val));
+               _capture_slider.set_update_policy (UPDATE_DISCONTINUOUS);
+               h = manage (new HBox);
+               h->set_spacing (4);
+               h->pack_start (*l, false, false);
+               h->pack_start (_capture_slider, true, true);
 
-                       char buf[16];
+               _box->pack_start (*h, false, false);
 
-                       if (val == 0.0) {
-                               snprintf (buf, sizeof (buf), "-inf");
-                       } else {
-                               snprintf (buf, sizeof (buf), "%.2f", accurate_coefficient_to_dB (val));
-                       }
+               _capture_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &BufferingOptions::capture_changed));
+               _playback_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &BufferingOptions::playback_changed));
+       }
 
-                       _db_display.set_text (buf);
-               }
+       void parameter_changed (string const & p)
+       {
+               if (p == "playback-buffer-seconds") {
+                       _playback_adjustment.set_value (_rc_config->get_audio_playback_buffer_seconds());
+               } else if (p == "capture-buffer-seconds") {
+                       _capture_adjustment.set_value (_rc_config->get_audio_capture_buffer_seconds());
+                }
        }
 
        void set_state_from_config ()
        {
-               parameter_changed ("solo-mute-gain");
+               parameter_changed ("playback-buffer-seconds");
+               parameter_changed ("capture-buffer-seconds");
        }
 
 private:
 
-       void db_changed ()
+       void playback_changed ()
        {
-               _rc_config->set_solo_mute_gain (slider_position_to_gain (_db_adjustment.get_value()));
+               _rc_config->set_audio_playback_buffer_seconds ((long) _playback_adjustment.get_value());
+       }
+
+       void capture_changed ()
+       {
+               _rc_config->set_audio_capture_buffer_seconds ((long) _capture_adjustment.get_value());
        }
 
        RCConfiguration* _rc_config;
-       Adjustment _db_adjustment;
-        Gtkmm2ext::HSliderController* _db_slider;
-        Glib::RefPtr<Gdk::Pixbuf> pix;
-        Entry _db_display;
+       Adjustment _playback_adjustment;
+       Adjustment _capture_adjustment;
+       HScale _playback_slider;
+       HScale _capture_slider;
 };
 
-
 class ControlSurfacesOptions : public OptionEditorBox
 {
 public:
-       ControlSurfacesOptions (ArdourDialog& parent)
+       ControlSurfacesOptions (Gtk::Window& parent)
                : _parent (parent)
        {
                _store = ListStore::create (_model);
@@ -810,8 +669,12 @@ public:
 
                _box->pack_start (*label, false, false);
                label->show ();
-               
-               _store->signal_row_changed().connect (sigc::mem_fun (*this, &ControlSurfacesOptions::model_changed));
+
+               ControlProtocolManager& m = ControlProtocolManager::instance ();
+               m.ProtocolStatusChange.connect (protocol_status_connection, MISSING_INVALIDATOR,
+                                               boost::bind (&ControlSurfacesOptions::protocol_status_changed, this, _1), gui_context());
+
+               _store->signal_row_changed().connect (sigc::mem_fun (*this, &ControlSurfacesOptions::view_changed));
                _view.signal_button_press_event().connect_notify (sigc::mem_fun(*this, &ControlSurfacesOptions::edit_clicked));
        }
 
@@ -839,7 +702,18 @@ public:
 
 private:
 
-       void model_changed (TreeModel::Path const &, TreeModel::iterator const & i)
+        void protocol_status_changed (ControlProtocolInfo* cpi) {
+               /* find the row */
+               TreeModel::Children rows = _store->children();
+               for (TreeModel::Children::iterator x = rows.begin(); x != rows.end(); ++x) {
+                       if ((*x)[_model.protocol_info] == cpi) {
+                               (*x)[_model.enabled] = (cpi->protocol || cpi->requested);
+                               break;
+                       }
+               }
+       }
+
+       void view_changed (TreeModel::Path const &, TreeModel::iterator const & i)
        {
                TreeModel::Row r = *i;
 
@@ -855,7 +729,18 @@ private:
                        if (!was_enabled) {
                                ControlProtocolManager::instance().instantiate (*cpi);
                        } else {
+                               Gtk::Window* win = r[_model.editor];
+                               if (win) {
+                                       win->hide ();
+                               }
+
                                ControlProtocolManager::instance().teardown (*cpi);
+                                       
+                               if (win) {
+                                       delete win;
+                               }
+                               r[_model.editor] = 0;
+                               cpi->requested = false;
                        }
                }
 
@@ -876,21 +761,22 @@ private:
                std::string name;
                ControlProtocolInfo* cpi;
                TreeModel::Row row;
-               
+
                row = *(_view.get_selection()->get_selected());
 
                Window* win = row[_model.editor];
                if (win && !win->is_visible()) {
-                       win->present (); 
+                       win->present ();
                } else {
                        cpi = row[_model.protocol_info];
-                       
+
                        if (cpi && cpi->protocol && cpi->protocol->has_editor ()) {
                                Box* box = (Box*) cpi->protocol->get_gui ();
                                if (box) {
                                        string title = row[_model.name];
-                                       ArdourDialog* win = new ArdourDialog (_parent, title);
-                                       win->get_vbox()->pack_start (*box, false, false);
+                                       ArdourWindow* win = new ArdourWindow (_parent, title);
+                                       win->set_title ("Control Protocol Options");
+                                       win->add (*box);
                                        box->show ();
                                        win->present ();
                                        row[_model.editor] = win;
@@ -923,59 +809,105 @@ private:
        ControlSurfacesModelColumns _model;
        TreeView _view;
         Gtk::Window& _parent;
+        PBD::ScopedConnection protocol_status_connection;
+};
+
+/** A class which allows control of visibility of some editor components usign
+ *  a VisibilityGroup.  The caller should pass in a `dummy' VisibilityGroup
+ *  which has the correct members, but with null widget pointers.  This
+ *  class allows the user to set visibility of the members, the details
+ *  of which are stored in a configuration variable which can be watched
+ *  by parts of the editor that actually contain the widgets whose visibility
+ *  is being controlled.
+ */
+
+class VisibilityOption : public Option
+{
+public:
+       /** @param name User-visible name for this group.
+        *  @param g `Dummy' VisibilityGroup (as described above).
+        *  @param get Method to get the value of the appropriate configuration variable.
+        *  @param set Method to set the value of the appropriate configuration variable.
+        */
+       VisibilityOption (string name, VisibilityGroup* g, sigc::slot<string> get, sigc::slot<bool, string> set)
+               : Option (g->get_state_name(), name)
+               , _heading (name)
+               , _visibility_group (g)
+               , _get (get)
+               , _set (set)
+       {
+               /* Watch for changes made by the user to our members */
+               _visibility_group->VisibilityChanged.connect_same_thread (
+                       _visibility_group_connection, sigc::bind (&VisibilityOption::changed, this)
+                       );
+       }
+
+       void set_state_from_config ()
+       {
+               /* Set our state from the current configuration */
+               _visibility_group->set_state (_get ());
+       }
+
+       void add_to_page (OptionEditorPage* p)
+       {
+               _heading.add_to_page (p);
+               add_widget_to_page (p, _visibility_group->list_view ());
+       }
+
+        Gtk::Widget& tip_widget() { return *_visibility_group->list_view (); }
+
+private:
+       void changed ()
+       {
+               /* The user has changed something, so reflect this change
+                  in the RCConfiguration.
+               */
+               _set (_visibility_group->get_state_value ());
+       }
+       
+       OptionEditorHeading _heading;
+       VisibilityGroup* _visibility_group;
+       sigc::slot<std::string> _get;
+       sigc::slot<bool, std::string> _set;
+       PBD::ScopedConnection _visibility_group_connection;
 };
 
 
 RCOptionEditor::RCOptionEditor ()
        : OptionEditor (Config, string_compose (_("%1 Preferences"), PROGRAM_NAME))
         , _rc_config (Config)
+       , _mixer_strip_visibility ("mixer-strip-visibility")
 {
        /* MISC */
 
-       add_option (_("Misc"), new OptionEditorHeading (_("Metering")));
+        uint32_t hwcpus = hardware_concurrency ();
 
-       ComboOption<float>* mht = new ComboOption<float> (
-               "meter-hold",
-               _("Meter hold time"),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::get_meter_hold),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::set_meter_hold)
-               );
+        if (hwcpus > 1) {
+                add_option (_("Misc"), new OptionEditorHeading (_("DSP CPU Utilization")));
 
-       mht->add (MeterHoldOff, _("off"));
-       mht->add (MeterHoldShort, _("short"));
-       mht->add (MeterHoldMedium, _("medium"));
-       mht->add (MeterHoldLong, _("long"));
+                ComboOption<int32_t>* procs = new ComboOption<int32_t> (
+                        "processor-usage",
+                        _("Signal processing uses"),
+                        sigc::mem_fun (*_rc_config, &RCConfiguration::get_processor_usage),
+                        sigc::mem_fun (*_rc_config, &RCConfiguration::set_processor_usage)
+                        );
 
-       add_option (_("Misc"), mht);
+                procs->add (-1, _("all but one processor"));
+                procs->add (0, _("all available processors"));
 
-       ComboOption<float>* mfo = new ComboOption<float> (
-               "meter-falloff",
-               _("Meter fall-off"),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::get_meter_falloff),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::set_meter_falloff)
-               );
+                for (uint32_t i = 1; i <= hwcpus; ++i) {
+                        procs->add (i, string_compose (_("%1 processors"), i));
+                }
 
-       mfo->add (METER_FALLOFF_OFF, _("off"));
-       mfo->add (METER_FALLOFF_SLOWEST, _("slowest"));
-       mfo->add (METER_FALLOFF_SLOW, _("slow"));
-       mfo->add (METER_FALLOFF_MEDIUM, _("medium"));
-       mfo->add (METER_FALLOFF_FAST, _("fast"));
-       mfo->add (METER_FALLOFF_FASTER, _("faster"));
-       mfo->add (METER_FALLOFF_FASTEST, _("fastest"));
+               procs->set_note (string_compose (_("This setting will only take effect when %1 is restarted."), PROGRAM_NAME));
 
-       add_option (_("Misc"), mfo);
+                add_option (_("Misc"), procs);
+        }
 
-       add_option (_("Misc"), new OptionEditorHeading (_("Undo")));
+       add_option (_("Misc"), new OptionEditorHeading (S_("Options|Undo")));
 
        add_option (_("Misc"), new UndoOptions (_rc_config));
 
-       add_option (_("Misc"), new OptionEditorHeading (_("Misc")));
-
-#ifndef GTKOSX
-       /* font scaling does nothing with GDK/Quartz */
-       add_option (_("Misc"), new FontScalingOptions (_rc_config));
-#endif
-
        add_option (_("Misc"),
             new BoolOption (
                     "verify-remove-last-capture",
@@ -992,13 +924,7 @@ RCOptionEditor::RCOptionEditor ()
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_periodic_safety_backups)
                     ));
 
-       add_option (_("Misc"),
-            new BoolOption (
-                    "sync-all-route-ordering",
-                    _("Syncronise editor and mixer track order"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_sync_all_route_ordering),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_sync_all_route_ordering)
-                    ));
+       add_option (_("Misc"), new OptionEditorHeading (_("Session Management")));
 
        add_option (_("Misc"),
             new BoolOption (
@@ -1008,87 +934,228 @@ RCOptionEditor::RCOptionEditor ()
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_only_copy_imported_files)
                     ));
 
+       add_option (_("Misc"), new DirectoryOption (
+                           X_("default-session-parent-dir"),
+                           _("Default folder for new sessions:"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_default_session_parent_dir),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_default_session_parent_dir)
+                           ));
+
        add_option (_("Misc"),
-            new BoolOption (
-                    "default-narrow_ms",
-                    _("Use narrow mixer strips"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_default_narrow_ms),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_default_narrow_ms)
+            new SpinOption<uint32_t> (
+                    "max-recent-sessions",
+                    _("Maximum number of recent sessions"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_max_recent_sessions),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_max_recent_sessions),
+                    0, 1000, 1, 20
                     ));
 
+       add_option (_("Misc"), new OptionEditorHeading (_("Click")));
+
+       add_option (_("Misc"), new ClickOptions (_rc_config, this));
+
        add_option (_("Misc"),
-            new BoolOption (
-                    "name-new-markers",
-                    _("Name new markers"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_name_new_markers),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_name_new_markers)
+            new FaderOption (
+                    "click-gain",
+                    _("Click gain level"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_click_gain),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_click_gain)
+                    ));
+
+       add_option (_("Misc"), new OptionEditorHeading (_("Automation")));
+
+       add_option (_("Misc"),
+            new SpinOption<double> (
+                    "automation-thinning-factor",
+                    _("Thinning factor (larger value => less data)"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_automation_thinning_factor),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_automation_thinning_factor),
+                    0, 1000, 1, 20
                     ));
 
        /* TRANSPORT */
 
-       add_option (_("Transport"),
-            new BoolOption (
+       BoolOption* tsf;
+
+       tsf = new BoolOption (
                     "latched-record-enable",
                     _("Keep record-enable engaged on stop"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_latched_record_enable),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_latched_record_enable)
-                    ));
+                    );
+       // Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _(""));
+       add_option (_("Transport"), tsf);
 
-       add_option (_("Transport"),
-            new BoolOption (
+       tsf = new BoolOption (
                     "stop-recording-on-xrun",
                     _("Stop recording when an xrun occurs"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_stop_recording_on_xrun),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_stop_recording_on_xrun)
-                    ));
+                    );
+       Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _("<b>When enabled</b> Ardour will stop recording if an over- or underrun is detected by the audio engine"));
+       add_option (_("Transport"), tsf);
 
-       add_option (_("Transport"),
-            new BoolOption (
+       tsf = new BoolOption (
                     "create-xrun-marker",
                     _("Create markers where xruns occur"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_create_xrun_marker),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_create_xrun_marker)
-                    ));
+                    );
+       // Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _(""));
+       add_option (_("Transport"), tsf);
 
-       add_option (_("Transport"),
-            new BoolOption (
+       tsf = new BoolOption (
                     "stop-at-session-end",
                     _("Stop at the end of the session"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_stop_at_session_end),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_stop_at_session_end)
-                    ));
-
-       add_option (_("Transport"),
-            new BoolOption (
-                    "primary-clock-delta-edit-cursor",
-                    _("Primary clock delta to edit cursor"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_primary_clock_delta_edit_cursor),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_primary_clock_delta_edit_cursor)
-                    ));
-
-       add_option (_("Transport"),
-            new BoolOption (
-                    "secondary-clock-delta-edit-cursor",
-                    _("Secondary clock delta to edit cursor"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_secondary_clock_delta_edit_cursor),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_secondary_clock_delta_edit_cursor)
-                    ));
-
-       add_option (_("Transport"),
-            new BoolOption (
+                    );
+       Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _("<b>When enabled</b> if Ardour is <b>not recording</b>, it will stop the transport "
+                                                  "when it reaches the current session end marker\n\n"
+                                                  "<b>When disabled</b> Ardour will continue to roll past the session end marker at all times"));
+       add_option (_("Transport"), tsf);
+
+       tsf = new BoolOption (
+                    "seamless-loop",
+                    _("Do seamless looping (not possible when slaved to MTC, JACK etc)"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_seamless_loop),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_seamless_loop)
+                    );
+       Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _("<b>When enabled</b> this will loop by reading ahead and wrapping around at the loop point, "
+                                                  "preventing any need to do a transport locate at the end of the loop\n\n"
+                                                  "<b>When disabled</b> looping is done by locating back to the start of the loop when Ardour reaches the end "
+                                                  "which will often cause a small click or delay"));
+       add_option (_("Transport"), tsf);
+
+       tsf = new BoolOption (
                     "disable-disarm-during-roll",
                     _("Disable per-track record disarm while rolling"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_disable_disarm_during_roll),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_disable_disarm_during_roll)
-                    ));
+                    );
+       Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _("<b>When enabled</b> this will prevent you from accidentally stopping specific tracks recording during a take"));
+       add_option (_("Transport"), tsf);
 
-       add_option (_("Transport"),
-            new BoolOption (
+       tsf = new BoolOption (
                     "quieten_at_speed",
                     _("12dB gain reduction during fast-forward and fast-rewind"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_quieten_at_speed),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_quieten_at_speed)
-                    ));
+                    );
+       Gtkmm2ext::UI::instance()->set_tip (tsf->tip_widget(), _("This will reduce the unpleasant increase in perceived volume "
+                                                  "that occurs when fast-forwarding or rewinding through some kinds of audio"));
+       add_option (_("Transport"), tsf);
+
+       add_option (_("Transport"), new OptionEditorHeading (S_("Sync/Slave")));
+
+       _sync_source = new ComboOption<SyncSource> (
+               "sync-source",
+               _("External timecode source"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_sync_source),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_sync_source)
+               );
+
+       populate_sync_options ();
+       add_option (_("Transport"), _sync_source);
+
+       _sync_framerate = new BoolOption (
+                    "timecode-sync-frame-rate",
+                    _("Match session video frame rate to external timecode"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_timecode_sync_frame_rate),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_timecode_sync_frame_rate)
+                    );
+       Gtkmm2ext::UI::instance()->set_tip 
+               (_sync_framerate->tip_widget(),
+                _("This option controls the value of the video frame rate <i>while chasing</i> an external timecode source.\n\n"
+                  "<b>When enabled</b> the session video frame rate will be changed to match that of the selected external timecode source.\n\n"
+                  "<b>When disabled</b> the session video frame rate will not be changed to match that of the selected external timecode source."
+                  "Instead the frame rate indication in the main clock will flash red and Ardour will convert between the external "
+                  "timecode standard and the session standard."));
+
+       add_option (_("Transport"), _sync_framerate);
+
+       _sync_genlock = new BoolOption (
+               "timecode-source-is-synced",
+               _("External timecode is sync locked"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_timecode_source_is_synced),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_timecode_source_is_synced)
+               );
+       Gtkmm2ext::UI::instance()->set_tip 
+               (_sync_genlock->tip_widget(), 
+                _("<b>When enabled</b> indicates that the selected external timecode source shares sync (Black &amp; Burst, Wordclock, etc) with the audio interface."));
+
+
+       add_option (_("Transport"), _sync_genlock);
+
+       _sync_source_2997 = new BoolOption (
+               "timecode-source-2997",
+               _("Lock to 29.9700 fps instead of 30000/1001"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_timecode_source_2997),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_timecode_source_2997)
+               );
+       Gtkmm2ext::UI::instance()->set_tip
+               (_sync_source_2997->tip_widget(),
+                _("<b>When enabled</b> the external timecode source is assumed to use 29.97 fps instead of 30000/1001.\n"
+                        "SMPTE 12M-1999 specifies 29.97df as 30000/1001. The spec further mentions that "
+                        "drop-frame timecode has an accumulated error of -86ms over a 24-hour period.\n"
+                        "Drop-frame timecode would compensate exactly for a NTSC color frame rate of 30 * 0.9990 (ie 29.970000). "
+                        "That is not the actual rate, however some vendor use that rate - despite it being against the specs - "
+                        "because the variant of using exactly 29.97 fps has zero timecode drift.\n"
+                        ));
+
+       add_option (_("Transport"), _sync_source_2997);
+
+       _ltc_port = new ComboStringOption (
+               "ltc-source-port",
+               _("LTC incoming port"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_ltc_source_port),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_ltc_source_port)
+               );
+
+       vector<string> physical_inputs;
+       physical_inputs.push_back (_("None"));
+       AudioEngine::instance()->get_physical_inputs (DataType::AUDIO, physical_inputs);
+       _ltc_port->set_popdown_strings (physical_inputs);
+
+       add_option (_("Transport"), _ltc_port);
+
+#ifdef HAVE_LTC
+       // TODO; rather disable this button than not compile it..
+       add_option (_("Transport"), new OptionEditorHeading (S_("LTC Generator")));
+
+       add_option (_("Transport"),
+                   new BoolOption (
+                           "send-ltc",
+                           _("Enable LTC generator"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_send_ltc),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_send_ltc)
+                           ));
+
+       _ltc_send_continuously = new BoolOption (
+                           "ltc-send-continuously",
+                           _("send LTC while stopped"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_ltc_send_continuously),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_ltc_send_continuously)
+                           );
+       Gtkmm2ext::UI::instance()->set_tip
+               (_ltc_send_continuously->tip_widget(),
+                _("<b>When enabled</b> Ardour will continue to send LTC information even when the transport (playhead) is not moving"));
+       add_option (_("Transport"), _ltc_send_continuously);
+
+  _ltc_volume_adjustment = new Gtk::Adjustment(-18, -50, 0, .5, 5);
+       _ltc_volume_adjustment->set_value (20 * log10(_rc_config->get_ltc_output_volume()));
+       _ltc_volume_adjustment->signal_value_changed().connect (sigc::mem_fun (*this, &RCOptionEditor::ltc_generator_volume_changed));
+       _ltc_volume_slider = new HSliderOption("ltcvol", ("LTC generator level:"), *_ltc_volume_adjustment);
+
+       Gtkmm2ext::UI::instance()->set_tip
+               (_ltc_volume_slider->tip_widget(),
+                _("Specify the Peak Volume of the generated LTC signal in dbFS. A good value is  0dBu ^= -18dbFS in an EBU calibrated system"));
+
+       add_option (_("Transport"), _ltc_volume_slider);
+       parameter_changed ("send-ltc");
+#endif
+
+       parameter_changed ("sync-source");
 
        /* EDITOR */
 
@@ -1103,7 +1170,7 @@ RCOptionEditor::RCOptionEditor ()
        add_option (_("Editor"),
             new BoolOption (
                     "automation-follows-regions",
-                    _("Move relevant automation when regions are moved"),
+                    _("Move relevant automation when audio regions are moved"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_automation_follows_regions),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_automation_follows_regions)
                     ));
@@ -1140,6 +1207,16 @@ RCOptionEditor::RCOptionEditor ()
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_waveforms)
                     ));
 
+       add_option (_("Editor"),
+            new BoolComboOption (
+                    "show-region-gain-envelopes",
+                    _("Show gain envelopes in audio regions"),
+                    _("in all modes"),
+                    _("only in region gain mode"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_show_region_gain),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_region_gain)
+                    ));
+
        ComboOption<WaveformScale>* wfs = new ComboOption<WaveformScale> (
                "waveform-scale",
                _("Waveform scale"),
@@ -1172,55 +1249,68 @@ RCOptionEditor::RCOptionEditor ()
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_waveforms_while_recording)
                     ));
 
-       /* AUDIO */
-
-       add_option (_("Audio"), new OptionEditorHeading (_("Solo")));
-
-       add_option (_("Audio"),
-            new BoolOption (
-                    "solo-control-is-listen-control",
-                    _("Solo controls are Listen controls"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_solo_control_is_listen_control),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_solo_control_is_listen_control)
-                    ));
-
-       ComboOption<ListenPosition>* lp = new ComboOption<ListenPosition> (
-               "listen-position",
-               _("Listen Position"),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::get_listen_position),
-               sigc::mem_fun (*_rc_config, &RCConfiguration::set_listen_position)
-               );
+       add_option (_("Editor"),
+                   new BoolOption (
+                           "show-zoom-tools",
+                           _("Show zoom toolbar"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_show_zoom_tools),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_zoom_tools)
+                           ));
 
-       lp->add (AfterFaderListen, _("after-fader listen"));
-       lp->add (PreFaderListen, _("pre-fader listen"));
+       add_option (_("Editor"),
+                   new BoolOption (
+                           "color-regions-using-track-color",
+                           _("Color regions using their track's color"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_color_regions_using_track_color),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_color_regions_using_track_color)
+                           ));
 
-       add_option (_("Audio"), lp);
-       add_option (_("Audio"), new SoloMuteOptions (_rc_config));
+       add_option (_("Editor"),
+                   new BoolOption (
+                           "update-editor-during-summary-drag",
+                           _("Update editor window during drags of the summary"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_update_editor_during_summary_drag),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_update_editor_during_summary_drag)
+                           ));
 
-       add_option (_("Audio"),
+       add_option (_("Editor"),
             new BoolOption (
-                    "exclusive-solo",
-                    _("Exclusive solo"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_exclusive_solo),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_exclusive_solo)
+                    "sync-all-route-ordering",
+                    _("Synchronise editor and mixer track order"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_sync_all_route_ordering),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_sync_all_route_ordering)
                     ));
 
-       add_option (_("Audio"),
+       add_option (_("Editor"),
             new BoolOption (
-                    "show-solo-mutes",
-                    _("Show solo muting"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_show_solo_mutes),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_solo_mutes)
+                    "link-editor-and-mixer-selection",
+                    _("Synchronise editor and mixer selection"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_link_editor_and_mixer_selection),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_link_editor_and_mixer_selection)
                     ));
 
-       add_option (_("Audio"),
+       add_option (_("Editor"),
             new BoolOption (
-                    "solo-mute-override",
-                    _("Soloing overrides muting"),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_solo_mute_override),
-                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_solo_mute_override)
+                    "name-new-markers",
+                    _("Name new markers"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_name_new_markers),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_name_new_markers)
                     ));
 
+       add_option (_("Editor"),
+           new BoolOption (
+                   "autoscroll-editor",
+                   _("Auto-scroll editor window when dragging near its edges"),
+                   sigc::mem_fun (*_rc_config, &RCConfiguration::get_autoscroll_editor),
+                   sigc::mem_fun (*_rc_config, &RCConfiguration::set_autoscroll_editor)
+                   ));
+
+       /* AUDIO */
+
+       add_option (_("Audio"), new OptionEditorHeading (_("Buffering")));
+
+       add_option (_("Audio"), new BufferingOptions (_rc_config));
+
        add_option (_("Audio"), new OptionEditorHeading (_("Monitoring")));
 
        add_option (_("Audio"),
@@ -1233,7 +1323,7 @@ RCOptionEditor::RCOptionEditor ()
 
        ComboOption<MonitorModel>* mm = new ComboOption<MonitorModel> (
                "monitoring-model",
-               _("Monitoring handled by"),
+               _("Record monitoring handled by"),
                sigc::mem_fun (*_rc_config, &RCConfiguration::get_monitoring_model),
                sigc::mem_fun (*_rc_config, &RCConfiguration::set_monitoring_model)
                );
@@ -1269,7 +1359,7 @@ RCOptionEditor::RCOptionEditor ()
 
        ComboOption<AutoConnectOption>* iac = new ComboOption<AutoConnectOption> (
                "input-auto-connect",
-               _("Connect track and bus inputs"),
+               _("Connect track inputs"),
                sigc::mem_fun (*_rc_config, &RCConfiguration::get_input_auto_connect),
                sigc::mem_fun (*_rc_config, &RCConfiguration::set_input_auto_connect)
                );
@@ -1287,7 +1377,7 @@ RCOptionEditor::RCOptionEditor ()
                );
 
        oac->add (AutoConnectPhysical, _("automatically to physical outputs"));
-       oac->add (AutoConnectMaster, _("automatically to master outputs"));
+       oac->add (AutoConnectMaster, _("automatically to master bus"));
        oac->add (ManualConnect, _("manually"));
 
        add_option (_("Audio"), oac);
@@ -1322,7 +1412,7 @@ RCOptionEditor::RCOptionEditor ()
        }
 
        if (fpu.has_flush_to_zero() && fpu.has_denormals_are_zero()) {
-               dm->add (DenormalFTZDAZ, _("use FlushToZero and DenormalsAreZerO"));
+               dm->add (DenormalFTZDAZ, _("use FlushToZero and DenormalsAreZero"));
        }
 
        add_option (_("Audio"), dm);
@@ -1332,7 +1422,7 @@ RCOptionEditor::RCOptionEditor ()
        add_option (_("Audio"),
             new BoolOption (
                     "plugins-stop-with-transport",
-                    _("Stop plugins when the transport is stopped"),
+                    _("Silence plugins when the transport is stopped"),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::get_plugins_stop_with_transport),
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_plugins_stop_with_transport)
                     ));
@@ -1361,45 +1451,138 @@ RCOptionEditor::RCOptionEditor ()
                     sigc::mem_fun (*_rc_config, &RCConfiguration::set_auto_analyse_audio)
                     ));
 
-       /* MIDI CONTROL */
-
-       list<ComboOption<string>* > midi_combos;
-
-       midi_combos.push_back (new ComboOption<string> (
-                                      "mtc-port-name",
-                                      _("Send/Receive MTC via"),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::get_mtc_port_name),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::set_mtc_port_name)
-                                      ));
-
-       midi_combos.push_back (new ComboOption<string> (
-                                      "midi-clock-port-name",
-                                      _("Send/Receive MIDI clock via"),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::get_midi_clock_port_name),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::set_midi_clock_port_name)
-                                      ));
-
-       midi_combos.push_back (new ComboOption<string> (
-                                      "mmc-port-name",
-                                      _("Send/Receive MMC via"),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::get_mmc_port_name),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::set_mmc_port_name)
-                                      ));
-
-       midi_combos.push_back (new ComboOption<string> (
-                                      "midi-port-name",
-                                      _("Send/Receive MIDI parameter control via"),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::get_midi_port_name),
-                                      sigc::mem_fun (*_rc_config, &RCConfiguration::set_midi_port_name)
-                                      ));
-       
-       add_option (_("MIDI control"), new MIDIPorts (_rc_config, midi_combos));
+       add_option (_("Audio"),
+            new BoolOption (
+                    "replicate-missing-region-channels",
+                    _("Replicate missing region channels"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_replicate_missing_region_channels),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_replicate_missing_region_channels)
+                    ));
 
-       for (list<ComboOption<string>* >::iterator i = midi_combos.begin(); i != midi_combos.end(); ++i) {
-               add_option (_("MIDI control"), *i);
-       }
+       /* SOLO AND MUTE */
+
+       add_option (_("Solo / mute"),
+            new FaderOption (
+                    "solo-mute-gain",
+                    _("Solo-in-place mute cut (dB)"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_solo_mute_gain),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_solo_mute_gain)
+                    ));
 
-       add_option (_("MIDI control"),
+       _solo_control_is_listen_control = new BoolOption (
+               "solo-control-is-listen-control",
+               _("Solo controls are Listen controls"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_solo_control_is_listen_control),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_solo_control_is_listen_control)
+               );
+
+       add_option (_("Solo / mute"), _solo_control_is_listen_control);
+
+       _listen_position = new ComboOption<ListenPosition> (
+               "listen-position",
+               _("Listen Position"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_listen_position),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_listen_position)
+               );
+
+       _listen_position->add (AfterFaderListen, _("after-fader (AFL)"));
+       _listen_position->add (PreFaderListen, _("pre-fader (PFL)"));
+
+       add_option (_("Solo / mute"), _listen_position);
+
+       ComboOption<PFLPosition>* pp = new ComboOption<PFLPosition> (
+               "pfl-position",
+               _("PFL signals come from"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_pfl_position),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_pfl_position)
+               );
+
+       pp->add (PFLFromBeforeProcessors, _("before pre-fader processors"));
+       pp->add (PFLFromAfterProcessors, _("pre-fader but after pre-fader processors"));
+
+       add_option (_("Solo / mute"), pp);
+
+       ComboOption<AFLPosition>* pa = new ComboOption<AFLPosition> (
+               "afl-position",
+               _("AFL signals come from"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_afl_position),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_afl_position)
+               );
+
+       pa->add (AFLFromBeforeProcessors, _("immediately post-fader"));
+       pa->add (AFLFromAfterProcessors, _("after post-fader processors (before pan)"));
+
+       add_option (_("Solo / mute"), pa);
+
+       parameter_changed ("use-monitor-bus");
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "exclusive-solo",
+                    _("Exclusive solo"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_exclusive_solo),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_exclusive_solo)
+                    ));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "show-solo-mutes",
+                    _("Show solo muting"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_show_solo_mutes),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_show_solo_mutes)
+                    ));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "solo-mute-override",
+                    _("Soloing overrides muting"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_solo_mute_override),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_solo_mute_override)
+                    ));
+
+       add_option (_("Solo / mute"), new OptionEditorHeading (_("Default track / bus muting options")));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "mute-affects-pre-fader",
+                    _("Mute affects pre-fader sends"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_mute_affects_pre_fader),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_mute_affects_pre_fader)
+                    ));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "mute-affects-post-fader",
+                    _("Mute affects post-fader sends"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_mute_affects_post_fader),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_mute_affects_post_fader)
+                    ));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "mute-affects-control-outs",
+                    _("Mute affects control outputs"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_mute_affects_control_outs),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_mute_affects_control_outs)
+                    ));
+
+       add_option (_("Solo / mute"),
+            new BoolOption (
+                    "mute-affects-main-outs",
+                    _("Mute affects main outputs"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_mute_affects_main_outs),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_mute_affects_main_outs)
+                    ));
+
+       add_option (_("MIDI"),
+                   new BoolOption (
+                           "send-midi-clock",
+                           _("Send MIDI Clock"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_send_midi_clock),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_send_midi_clock)
+                           ));
+
+       add_option (_("MIDI"),
                    new BoolOption (
                            "send-mtc",
                            _("Send MIDI Time Code"),
@@ -1407,7 +1590,16 @@ RCOptionEditor::RCOptionEditor ()
                            sigc::mem_fun (*_rc_config, &RCConfiguration::set_send_mtc)
                            ));
 
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
+                   new SpinOption<int> (
+                           "mtc-qf-speed-tolerance",
+                           _("Percentage either side of normal transport speed to transmit MTC"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_mtc_qf_speed_tolerance),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_mtc_qf_speed_tolerance),
+                           0, 20, 1, 5
+                           ));
+
+       add_option (_("MIDI"),
                    new BoolOption (
                            "mmc-control",
                            _("Obey MIDI Machine Control commands"),
@@ -1415,8 +1607,7 @@ RCOptionEditor::RCOptionEditor ()
                            sigc::mem_fun (*_rc_config, &RCConfiguration::set_mmc_control)
                            ));
 
-
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
                    new BoolOption (
                            "send-mmc",
                            _("Send MIDI Machine Control commands"),
@@ -1424,7 +1615,7 @@ RCOptionEditor::RCOptionEditor ()
                            sigc::mem_fun (*_rc_config, &RCConfiguration::set_send_mmc)
                            ));
 
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
                    new BoolOption (
                            "midi-feedback",
                            _("Send MIDI control feedback"),
@@ -1432,7 +1623,7 @@ RCOptionEditor::RCOptionEditor ()
                            sigc::mem_fun (*_rc_config, &RCConfiguration::set_midi_feedback)
                            ));
 
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
             new SpinOption<uint8_t> (
                     "mmc-receive-device-id",
                     _("Inbound MMC device ID"),
@@ -1441,7 +1632,7 @@ RCOptionEditor::RCOptionEditor ()
                     0, 128, 1, 10
                     ));
 
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
             new SpinOption<uint8_t> (
                     "mmc-send-device-id",
                     _("Outbound MMC device ID"),
@@ -1450,7 +1641,7 @@ RCOptionEditor::RCOptionEditor ()
                     0, 128, 1, 10
                     ));
 
-       add_option (_("MIDI control"),
+       add_option (_("MIDI"),
             new SpinOption<int32_t> (
                     "initial-program-change",
                     _("Initial program change"),
@@ -1459,9 +1650,39 @@ RCOptionEditor::RCOptionEditor ()
                     -1, 65536, 1, 10
                     ));
 
-       /* CONTROL SURFACES */
+       add_option (_("MIDI"),
+                   new BoolOption (
+                           "diplay-first-midi-bank-as-zero",
+                           _("Display first MIDI bank/program as 0"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_first_midi_bank_is_zero),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_first_midi_bank_is_zero)
+                           ));
+
+       add_option (_("MIDI"),
+            new BoolOption (
+                    "never-display-periodic-midi",
+                    _("Never display periodic MIDI messages (MTC, MIDI Clock)"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_never_display_periodic_midi),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_never_display_periodic_midi)
+                    ));
+
+       add_option (_("MIDI"),
+            new BoolOption (
+                    "sound-midi-notes",
+                    _("Sound MIDI notes as they are selected"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_sound_midi_notes),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_sound_midi_notes)
+                    ));
+
+       /* USER INTERACTION */
+
+       add_option (_("User interaction"), new OptionEditorHeading (_("Keyboard")));
+
+       add_option (_("User interaction"), new KeyboardOptions);
+
+       add_option (_("User interaction"), new OptionEditorHeading (_("Control surfaces")));
 
-       add_option (_("Control surfaces"), new ControlSurfacesOptions (*this));
+       add_option (_("User interaction"), new ControlSurfacesOptions (*this));
 
        ComboOption<RemoteModel>* rm = new ComboOption<RemoteModel> (
                "remote-model",
@@ -1474,15 +1695,144 @@ RCOptionEditor::RCOptionEditor ()
        rm->add (MixerOrdered, _("follows order of mixer"));
        rm->add (EditorOrdered, _("follows order of editor"));
 
-       add_option (_("Control surfaces"), rm);
+       add_option (_("User interaction"), rm);
 
-       /* CLICK */
+       /* INTERFACE */
 
-       add_option (_("Click"), new ClickOptions (_rc_config, this));
+       add_option (S_("GUI"),
+            new BoolOption (
+                    "widget-prelight",
+                    _("Graphically indicate mouse pointer hovering over various widgets"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_widget_prelight),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_widget_prelight)
+                    ));
+
+#ifndef GTKOSX
+       /* font scaling does nothing with GDK/Quartz */
+       add_option (S_("GUI"), new FontScalingOptions (_rc_config));
+#endif
+       add_option (S_("GUI"),
+                   new BoolOption (
+                           "use-own-plugin-gui",
+                           _("Use plugins' own interfaces instead of Ardour's"),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::get_use_plugin_own_gui),
+                           sigc::mem_fun (*_rc_config, &RCConfiguration::set_use_plugin_own_gui)
+                           ));
+
+       /* The names of these controls must be the same as those given in MixerStrip
+          for the actual widgets being controlled.
+       */
+       _mixer_strip_visibility.add (0, X_("PhaseInvert"), _("Phase Invert"));
+       _mixer_strip_visibility.add (0, X_("SoloSafe"), _("Solo Safe"));
+       _mixer_strip_visibility.add (0, X_("SoloIsolated"), _("Solo Isolated"));
+       _mixer_strip_visibility.add (0, X_("Comments"), _("Comments"));
+       _mixer_strip_visibility.add (0, X_("Group"), _("Group"));
+       _mixer_strip_visibility.add (0, X_("MeterPoint"), _("Meter Point"));
+       
+       add_option (
+               S_("GUI"),
+               new VisibilityOption (
+                       _("Mixer Strip"),
+                       &_mixer_strip_visibility,
+                       sigc::mem_fun (*_rc_config, &RCConfiguration::get_mixer_strip_visibility),
+                       sigc::mem_fun (*_rc_config, &RCConfiguration::set_mixer_strip_visibility)
+                       )
+               );
+
+       add_option (S_("GUI"),
+            new BoolOption (
+                    "default-narrow_ms",
+                    _("Use narrow strips in the mixer by default"),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::get_default_narrow_ms),
+                    sigc::mem_fun (*_rc_config, &RCConfiguration::set_default_narrow_ms)
+                    ));
+
+       add_option (S_("GUI"), new OptionEditorHeading (_("Metering")));
+
+       ComboOption<float>* mht = new ComboOption<float> (
+               "meter-hold",
+               _("Meter hold time"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_meter_hold),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_meter_hold)
+               );
+
+       mht->add (MeterHoldOff, _("off"));
+       mht->add (MeterHoldShort, _("short"));
+       mht->add (MeterHoldMedium, _("medium"));
+       mht->add (MeterHoldLong, _("long"));
 
-       /* KEYBOARD */
+       add_option (S_("GUI"), mht);
 
-       add_option (_("Keyboard"), new KeyboardOptions);
+       ComboOption<float>* mfo = new ComboOption<float> (
+               "meter-falloff",
+               _("Meter fall-off"),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::get_meter_falloff),
+               sigc::mem_fun (*_rc_config, &RCConfiguration::set_meter_falloff)
+               );
+
+       mfo->add (METER_FALLOFF_OFF, _("off"));
+       mfo->add (METER_FALLOFF_SLOWEST, _("slowest"));
+       mfo->add (METER_FALLOFF_SLOW, _("slow"));
+       mfo->add (METER_FALLOFF_MEDIUM, _("medium"));
+       mfo->add (METER_FALLOFF_FAST, _("fast"));
+       mfo->add (METER_FALLOFF_FASTER, _("faster"));
+       mfo->add (METER_FALLOFF_FASTEST, _("fastest"));
+
+       add_option (S_("GUI"), mfo);
 }
 
+void
+RCOptionEditor::parameter_changed (string const & p)
+{
+       OptionEditor::parameter_changed (p);
 
+       if (p == "use-monitor-bus") {
+               bool const s = Config->get_use_monitor_bus ();
+               if (!s) {
+                       /* we can't use this if we don't have a monitor bus */
+                       Config->set_solo_control_is_listen_control (false);
+               }
+               _solo_control_is_listen_control->set_sensitive (s);
+               _listen_position->set_sensitive (s);
+       } else if (p == "sync-source") {
+               _sync_source->set_sensitive (true);
+               if (_session) {
+                       _sync_source->set_sensitive (_session->config.get_external_sync());
+               }
+               switch(Config->get_sync_source()) {
+               case ARDOUR::MTC:
+               case ARDOUR::LTC:
+                       _sync_genlock->set_sensitive (true);
+                       _sync_framerate->set_sensitive (true);
+                       _sync_source_2997->set_sensitive (true);
+                       break;
+               default:
+                       _sync_genlock->set_sensitive (false);
+                       _sync_framerate->set_sensitive (false);
+                       _sync_source_2997->set_sensitive (false);
+                       break;
+               }
+#ifdef HAVE_LTC
+       } else if (p == "send-ltc") {
+               bool const s = Config->get_send_ltc ();
+               _ltc_send_continuously->set_sensitive (s);
+               _ltc_volume_slider->set_sensitive (s);
+#endif /*HAVE_LTC*/
+       }
+}
+
+void RCOptionEditor::ltc_generator_volume_changed () {
+       _rc_config->set_ltc_output_volume (pow(10, _ltc_volume_adjustment->get_value() / 20));
+}
+
+void
+RCOptionEditor::populate_sync_options ()
+{
+       vector<SyncSource> sync_opts = ARDOUR::get_available_sync_options ();
+
+       _sync_source->clear ();
+
+       for (vector<SyncSource>::iterator i = sync_opts.begin(); i != sync_opts.end(); ++i) {
+               _sync_source->add (*i, sync_source_to_string (*i));
+       }
+}