X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fport_group.cc;h=1598c5933c2b11ade888562586f1df2512d3f75b;hb=7110f48619af3b93fd2b1e2893462a63f6bf96fd;hp=4bf565a3e9c0de84dab86ebe60cb86fd5fe9999b;hpb=a384dab13095f3d909e52eff9e6170ae55416601;p=ardour.git diff --git a/gtk2_ardour/port_group.cc b/gtk2_ardour/port_group.cc index 4bf565a3e9..1598c5933c 100644 --- a/gtk2_ardour/port_group.cc +++ b/gtk2_ardour/port_group.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2002-2009 Paul Davis + Copyright (C) 2002-2009 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 @@ -17,64 +17,160 @@ */ -#include "port_group.h" -#include "port_matrix.h" -#include "i18n.h" -#include "ardour/session.h" +#include +#include + +#include "midi++/manager.h" +#include "midi++/mmc.h" + #include "ardour/audio_track.h" -#include "ardour/midi_track.h" #include "ardour/audioengine.h" -#include "ardour/port.h" #include "ardour/bundle.h" -#include -#include +#include "ardour/user_bundle.h" +#include "ardour/io_processor.h" +#include "ardour/midi_track.h" +#include "ardour/port.h" +#include "ardour/session.h" +#include "ardour/auditioner.h" +#include "ardour/control_protocol_manager.h" +#include "control_protocol/control_protocol.h" + +#include "gui_thread.h" +#include "port_group.h" +#include "port_matrix.h" +#include "time_axis_view.h" +#include "public_editor.h" + +#include "i18n.h" using namespace std; using namespace Gtk; +using namespace ARDOUR; + +/** PortGroup constructor. + * @param n Name. + */ +PortGroup::PortGroup (std::string const & n) + : name (n) +{ + +} + +PortGroup::~PortGroup() +{ + for (BundleList::iterator i = _bundles.begin(); i != _bundles.end(); ++i) { + delete *i; + } + _bundles.clear (); +} /** Add a bundle to a group. * @param b Bundle. + * @param allow_dups true to allow the group to contain more than one bundle with the same port, otherwise false. */ void -PortGroup::add_bundle (boost::shared_ptr b) +PortGroup::add_bundle (boost::shared_ptr b, bool allow_dups) { - assert (b.get()); - _bundles.push_back (b); + add_bundle_internal (b, boost::shared_ptr (), false, Gdk::Color (), allow_dups); +} - Modified (); +/** Add a bundle to a group. + * @param b Bundle. + * @param io IO whose ports are in the bundle. + */ +void +PortGroup::add_bundle (boost::shared_ptr b, boost::shared_ptr io) +{ + add_bundle_internal (b, io, false, Gdk::Color (), false); } -/** Add a port to a group. - * @param p Port. +/** Add a bundle to a group. + * @param b Bundle. + * @param c Colour to represent the bundle with. */ void -PortGroup::add_port (std::string const &p) +PortGroup::add_bundle (boost::shared_ptr b, boost::shared_ptr io, Gdk::Color c) +{ + add_bundle_internal (b, io, true, c, false); +} + +PortGroup::BundleRecord::BundleRecord (boost::shared_ptr b, boost::shared_ptr iop, Gdk::Color c, bool has_c) + : bundle (b) + , io (iop) + , colour (c) + , has_colour (has_c) +{ +} + +void +PortGroup::add_bundle_internal (boost::shared_ptr b, boost::shared_ptr io, bool has_colour, Gdk::Color colour, bool allow_dups) +{ + assert (b.get()); + + if (!allow_dups) { + + /* don't add this bundle if we already have one with the same ports */ + + BundleList::iterator i = _bundles.begin (); + while (i != _bundles.end() && b->has_same_ports ((*i)->bundle) == false) { + ++i; + } + + if (i != _bundles.end ()) { + return; + } + } + + BundleRecord* br = new BundleRecord (b, io, colour, has_colour); + b->Changed.connect (br->changed_connection, invalidator (*this), ui_bind (&PortGroup::bundle_changed, this, _1), gui_context()); + _bundles.push_back (br); + + Changed (); +} + +void +PortGroup::remove_bundle (boost::shared_ptr b) { - ports.push_back (p); + assert (b.get()); - Modified (); + BundleList::iterator i = _bundles.begin (); + while (i != _bundles.end() && (*i)->bundle != b) { + ++i; + } + + if (i == _bundles.end()) { + return; + } + + delete *i; + _bundles.erase (i); + + Changed (); } +void +PortGroup::bundle_changed (Bundle::Change c) +{ + BundleChanged (c); +} + + void PortGroup::clear () { - _bundles.clear (); - ports.clear (); + for (BundleList::iterator i = _bundles.begin(); i != _bundles.end(); ++i) { + delete *i; + } - Modified (); + _bundles.clear (); + Changed (); } bool PortGroup::has_port (std::string const& p) const { - for (ARDOUR::BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) { - if ((*i)->offers_port_alone (p)) { - return true; - } - } - - for (vector::const_iterator i = ports.begin(); i != ports.end(); ++i) { - if (*i == p) { + for (BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) { + if ((*i)->bundle->offers_port_alone (p)) { return true; } } @@ -82,160 +178,413 @@ PortGroup::has_port (std::string const& p) const return false; } -boost::shared_ptr +boost::shared_ptr PortGroup::only_bundle () { assert (_bundles.size() == 1); - return _bundles.front(); + return _bundles.front()->bundle; } -uint32_t -PortGroup::total_ports () const +ChanCount +PortGroup::total_channels () const { - uint32_t n = 0; - for (ARDOUR::BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) { - n += (*i)->nchannels (); + ChanCount n; + for (BundleList::const_iterator i = _bundles.begin(); i != _bundles.end(); ++i) { + n += (*i)->bundle->nchannels (); } - n += ports.size(); - return n; } - +boost::shared_ptr +PortGroup::io_from_bundle (boost::shared_ptr b) const +{ + BundleList::const_iterator i = _bundles.begin (); + while (i != _bundles.end() && (*i)->bundle != b) { + ++i; + } + + if (i == _bundles.end()) { + return boost::shared_ptr (); + } + + return (*i)->io; +} + +/** Remove bundles whose channels are already represented by other, larger bundles */ +void +PortGroup::remove_duplicates () +{ + BundleList::iterator i = _bundles.begin(); + while (i != _bundles.end()) { + + BundleList::iterator tmp = i; + ++tmp; + + bool remove = false; + + for (BundleList::iterator j = _bundles.begin(); j != _bundles.end(); ++j) { + + if ((*j)->bundle->nchannels() > (*i)->bundle->nchannels()) { + /* this bundle is larger */ + + uint32_t k = 0; + while (k < (*i)->bundle->nchannels().n_total()) { + /* see if this channel on *i has an equivalent on *j */ + uint32_t l = 0; + while (l < (*j)->bundle->nchannels().n_total() && (*i)->bundle->channel_ports (k) != (*j)->bundle->channel_ports (l)) { + ++l; + } + + if (l == (*j)->bundle->nchannels().n_total()) { + /* it does not */ + break; + } + + ++k; + } + + if (k == (*i)->bundle->nchannels().n_total()) { + /* all channels on *i are represented by the larger bundle *j, so remove *i */ + remove = true; + break; + } + } + } + + if (remove) { + _bundles.erase (i); + } + + i = tmp; + } +} + + /** PortGroupList constructor. */ - PortGroupList::PortGroupList () - : _type (ARDOUR::DataType::AUDIO), _bundles_dirty (true) + : _signals_suspended (false), _pending_change (false), _pending_bundle_change ((Bundle::Change) 0) { - + +} + +PortGroupList::~PortGroupList() +{ + /* XXX need to clean up bundles, but ownership shared with PortGroups */ } void -PortGroupList::set_type (ARDOUR::DataType t) +PortGroupList::maybe_add_processor_to_list ( + boost::weak_ptr wp, list >* route_ios, bool inputs, set >& used_io + ) { - _type = t; - clear (); + boost::shared_ptr p (wp.lock()); + + if (!p) { + return; + } + + boost::shared_ptr iop = boost::dynamic_pointer_cast (p); + + if (iop) { + + boost::shared_ptr io = inputs ? iop->input() : iop->output(); + + if (io && used_io.find (io) == used_io.end()) { + route_ios->push_back (io); + used_io.insert (io); + } + } } -/** Gather bundles from around the system and put them in this PortGroupList */ +struct RouteIOs { + RouteIOs (boost::shared_ptr r, boost::shared_ptr i) { + route = r; + ios.push_back (i); + } + + boost::shared_ptr route; + std::list > ios; +}; + +class RouteIOsComparator { +public: + bool operator() (RouteIOs const & a, RouteIOs const & b) { + return a.route->order_key (X_("editor")) < b.route->order_key (X_("editor")); + } +}; + +/** Gather ports from around the system and put them in this PortGroupList. + * @param type Type of ports to collect, or NIL for all types. + */ void -PortGroupList::gather (ARDOUR::Session& session, bool inputs) +PortGroupList::gather (ARDOUR::Session* session, ARDOUR::DataType type, bool inputs, bool allow_dups) { clear (); - boost::shared_ptr buss (new PortGroup (_("Buss"))); + if (session == 0) { + return; + } + + boost::shared_ptr bus (new PortGroup (_("Bus"))); boost::shared_ptr track (new PortGroup (_("Track"))); boost::shared_ptr system (new PortGroup (_("System"))); + boost::shared_ptr ardour (new PortGroup (_("Ardour"))); boost::shared_ptr other (new PortGroup (_("Other"))); - /* Find the bundles for routes. We take their bundles, copy them, - and add ports from the route's processors */ - - boost::shared_ptr routes = session.get_routes (); - - for (ARDOUR::RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) { - /* Copy the appropriate bundle from the route */ - boost::shared_ptr bundle ( - new ARDOUR::Bundle ( - inputs ? (*i)->bundle_for_inputs() : (*i)->bundle_for_outputs () - ) - ); - - /* Add ports from the route's processors */ - uint32_t n = 0; - while (1) { - boost::shared_ptr p = (*i)->nth_processor (n); - if (p == 0) { - break; + /* Find the IOs which have bundles for routes and their processors. We store + these IOs in a RouteIOs class so that we can then sort the results by route + order key. + */ + + boost::shared_ptr routes = session->get_routes (); + list route_ios; + + for (RouteList::const_iterator i = routes->begin(); i != routes->end(); ++i) { + + /* keep track of IOs that we have taken bundles from, + so that we can avoid taking the same IO from both + Route::output() and the main_outs Delivery */ + + set > used_io; + boost::shared_ptr io = inputs ? (*i)->input() : (*i)->output(); + used_io.insert (io); + + RouteIOs rb (*i, io); + (*i)->foreach_processor (boost::bind (&PortGroupList::maybe_add_processor_to_list, this, _1, &rb.ios, inputs, used_io)); + + route_ios.push_back (rb); + } + + /* Sort RouteIOs by the routes' editor order keys */ + route_ios.sort (RouteIOsComparator ()); + + /* Now put the bundles that belong to these sorted RouteIOs into the PortGroup. + Note that if the RouteIO's bundles are multi-type, we may make new Bundles + with only the ports of one type. + */ + + for (list::iterator i = route_ios.begin(); i != route_ios.end(); ++i) { + TimeAxisView* tv = PublicEditor::instance().axis_view_from_route (i->route); + + /* Work out which group to put these IOs' bundles in */ + boost::shared_ptr g; + if (boost::dynamic_pointer_cast (i->route)) { + g = track; + } else { + g = bus; + } + + for (list >::iterator j = i->ios.begin(); j != i->ios.end(); ++j) { + boost::shared_ptr b = bundle_for_type ((*j)->bundle(), type); + if (b->nchannels() != ChanCount::ZERO) { + if (tv) { + g->add_bundle (b, *j, tv->color ()); + } else { + g->add_bundle (b, *j); + } } + } + } - boost::shared_ptr iop = boost::dynamic_pointer_cast (p); + /* Bundles owned by the session; add user bundles first, then normal ones, so + that UserBundles that offer the same ports as a normal bundle get priority + */ - if (iop) { - boost::shared_ptr pb = inputs ? - iop->io()->bundle_for_inputs() : iop->io()->bundle_for_outputs(); - bundle->add_channels_from_bundle (pb); + boost::shared_ptr b = session->bundles (); + + for (BundleList::iterator i = b->begin(); i != b->end(); ++i) { + if (boost::dynamic_pointer_cast (*i) && (*i)->ports_are_inputs() == inputs) { + boost::shared_ptr b = bundle_for_type (*i, type); + if (b->nchannels() != ChanCount::ZERO) { + system->add_bundle (b, allow_dups); } + } + } - ++n; + for (BundleList::iterator i = b->begin(); i != b->end(); ++i) { + if (boost::dynamic_pointer_cast (*i) == 0 && (*i)->ports_are_inputs() == inputs) { + boost::shared_ptr b = bundle_for_type (*i, type); + if (b->nchannels() != ChanCount::ZERO) { + system->add_bundle (b, allow_dups); + } } - - /* Work out which group to put this bundle in */ - boost::shared_ptr g; - if (_type == ARDOUR::DataType::AUDIO) { + } + + /* Ardour stuff */ - if (boost::dynamic_pointer_cast (*i)) { - g = track; - } else if (!boost::dynamic_pointer_cast(*i)) { - g = buss; - } + if (!inputs) { + boost::shared_ptr b = bundle_for_type (session->the_auditioner()->output()->bundle(), type); + if (b->nchannels() != ChanCount::ZERO) { + ardour->add_bundle (b); + } + b = bundle_for_type (session->click_io()->bundle(), type); + if (b->nchannels() != ChanCount::ZERO) { + ardour->add_bundle (b); + } + } - } else if (_type == ARDOUR::DataType::MIDI) { + /* Ardour's surfaces */ - if (boost::dynamic_pointer_cast (*i)) { - g = track; + ControlProtocolManager& m = ControlProtocolManager::instance (); + for (list::iterator i = m.control_protocol_info.begin(); i != m.control_protocol_info.end(); ++i) { + if ((*i)->protocol) { + list > b = (*i)->protocol->bundles (); + for (list >::iterator j = b.begin(); j != b.end(); ++j) { + if ((*j)->ports_are_inputs() == inputs) { + ardour->add_bundle (*j); + } } - - /* No MIDI busses yet */ - } - - if (g) { - g->add_bundle (bundle); } } - /* Bundles created by the session */ - - boost::shared_ptr b = session.bundles (); - for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) { - if ((*i)->ports_are_inputs() == inputs && (*i)->type() == _type) { - system->add_bundle (*i); + /* Ardour's sync ports */ + + MIDI::Manager* midi_manager = MIDI::Manager::instance (); + if (midi_manager && (type == DataType::MIDI || type == DataType::NIL)) { + boost::shared_ptr sync (new Bundle (_("Sync"), inputs)); + MIDI::MachineControl* mmc = midi_manager->mmc (); + AudioEngine& ae = session->engine (); + if (inputs) { + sync->add_channel ( + _("MTC in"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->mtc_input_port()->name()) + ); + sync->add_channel ( + _("MIDI control in"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->midi_input_port()->name()) + ); + sync->add_channel ( + _("MIDI clock in"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->midi_clock_input_port()->name()) + ); + sync->add_channel ( + _("MMC in"), DataType::MIDI, ae.make_port_name_non_relative (mmc->input_port()->name()) + ); + } else { + sync->add_channel ( + _("MTC out"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->mtc_output_port()->name()) + ); + sync->add_channel ( + _("MIDI control out"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->midi_output_port()->name()) + ); + sync->add_channel ( + _("MIDI clock out"), DataType::MIDI, ae.make_port_name_non_relative (midi_manager->midi_clock_output_port()->name()) + ); + sync->add_channel ( + _("MMC out"), DataType::MIDI, ae.make_port_name_non_relative (mmc->output_port()->name()) + ); } + + ardour->add_bundle (sync); } /* Now find all other ports that we haven't thought of yet */ - const char **ports = session.engine().get_ports ("", _type.to_jack_type(), inputs ? - JackPortIsInput : JackPortIsOutput); + std::vector extra_system[DataType::num_types]; + std::vector extra_other[DataType::num_types]; + + const char ** ports = 0; + if (type == DataType::NIL) { + ports = session->engine().get_ports ("", "", inputs ? JackPortIsInput : JackPortIsOutput); + } else { + ports = session->engine().get_ports ("", type.to_jack_type(), inputs ? JackPortIsInput : JackPortIsOutput); + } + if (ports) { int n = 0; - string client_matching_string; - - client_matching_string = session.engine().client_name(); - client_matching_string += ':'; while (ports[n]) { - + std::string const p = ports[n]; - if (!system->has_port(p) && !buss->has_port(p) && !track->has_port(p) && !other->has_port(p)) { - - if (port_has_prefix (p, "system:") || - port_has_prefix (p, "alsa_pcm") || - port_has_prefix (p, "ardour:")) { - system->add_port (p); - } else { - other->add_port (p); + if (!system->has_port(p) && + !bus->has_port(p) && + !track->has_port(p) && + !ardour->has_port(p) && + !other->has_port(p)) { + + /* special hack: ignore MIDI ports labelled Midi-Through. these + are basically useless and mess things up for default + connections. + */ + + if (p.find ("Midi-Through") != string::npos) { + ++n; + continue; + } + + /* can't use the audio engine for this as we are looking at non-Ardour ports */ + + jack_port_t* jp = jack_port_by_name (session->engine().jack(), p.c_str()); + if (jp) { + DataType t (jack_port_type (jp)); + if (t != DataType::NIL) { + if (port_has_prefix (p, "system:") || port_has_prefix (p, "alsa_pcm") || port_has_prefix (p, "ardour:")) { + extra_system[t].push_back (p); + } else { + extra_other[t].push_back (p); + } + } } } - + ++n; } free (ports); } - add_group (system); - add_group (buss); - add_group (track); - add_group (other); + for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) { + if (!extra_system[*i].empty()) { + boost::shared_ptr b = make_bundle_from_ports (extra_system[*i], *i, inputs); + boost::shared_ptr bt = bundle_for_type (b, type); + if (bt->nchannels() != ChanCount::ZERO) { + system->add_bundle (bt); + } + } + } + + for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) { + if (!extra_other[*i].empty()) { + boost::shared_ptr b = make_bundle_from_ports (extra_other[*i], *i, inputs); + boost::shared_ptr bt = bundle_for_type (b, type); + if (bt->nchannels() != ChanCount::ZERO) { + other->add_bundle (bt); + } + } + } + + if (!allow_dups) { + system->remove_duplicates (); + } + + add_group_if_not_empty (other); + add_group_if_not_empty (bus); + add_group_if_not_empty (track); + add_group_if_not_empty (ardour); + add_group_if_not_empty (system); + + emit_changed (); +} + +boost::shared_ptr +PortGroupList::make_bundle_from_ports (std::vector const & p, ARDOUR::DataType type, bool inputs) const +{ + boost::shared_ptr b (new Bundle ("", inputs)); + + std::string const pre = common_prefix (p); + if (!pre.empty()) { + b->set_name (pre.substr (0, pre.length() - 1)); + } + + for (uint32_t j = 0; j < p.size(); ++j) { + b->add_channel (p[j].substr (pre.length()), type); + b->set_port (j, p[j]); + } - _bundles_dirty = true; + return b; } bool @@ -243,75 +592,47 @@ PortGroupList::port_has_prefix (const std::string& n, const std::string& p) cons { return n.substr (0, p.length()) == p; } - -void -PortGroupList::update_bundles () const +std::string +PortGroupList::common_prefix_before (std::vector const & p, std::string const & s) const { - _bundles.clear (); - - for (PortGroupList::List::const_iterator i = begin (); i != end (); ++i) { - if ((*i)->visible()) { - - std::copy ((*i)->bundles().begin(), (*i)->bundles().end(), std::back_inserter (_bundles)); - - /* make a bundle for the ports, if there are any */ - if (!(*i)->ports.empty()) { - - boost::shared_ptr b (new ARDOUR::Bundle ("", _type, !_offer_inputs)); - - std::string const pre = common_prefix ((*i)->ports); - if (!pre.empty()) { - b->set_name (pre.substr (0, pre.length() - 1)); - } + /* we must have some strings and the first must contain the separator string */ + if (p.empty() || p[0].find_first_of (s) == std::string::npos) { + return ""; + } - for (uint32_t j = 0; j < (*i)->ports.size(); ++j) { - std::string const p = (*i)->ports[j]; - b->add_channel (p.substr (pre.length())); - b->set_port (j, p); - } - - _bundles.push_back (b); - } + /* prefix of the first string */ + std::string const fp = p[0].substr (0, p[0].find_first_of (s) + 1); + + /* see if the other strings also start with fp */ + uint32_t j = 1; + while (j < p.size()) { + if (p[j].substr (0, fp.length()) != fp) { + break; } + ++j; + } + + if (j != p.size()) { + return ""; } - _bundles_dirty = false; + return fp; } + std::string PortGroupList::common_prefix (std::vector const & p) const { /* common prefix before '/' ? */ - if (p[0].find_first_of ("/") != std::string::npos) { - std::string const fp = p[0].substr (0, (p[0].find_first_of ("/") + 1)); - uint32_t j = 1; - while (j < p.size()) { - if (p[j].substr (0, fp.length()) != fp) { - break; - } - ++j; - } - - if (j == p.size()) { - return fp; - } + std::string cp = common_prefix_before (p, "/"); + if (!cp.empty()) { + return cp; } - - /* or before ':' ? */ - if (p[0].find_first_of (":") != std::string::npos) { - std::string const fp = p[0].substr (0, (p[0].find_first_of (":") + 1)); - uint32_t j = 1; - while (j < p.size()) { - if (p[j].substr (0, fp.length()) != fp) { - break; - } - ++j; - } - - if (j == p.size()) { - return fp; - } + + cp = common_prefix_before (p, ":"); + if (!cp.empty()) { + return cp; } return ""; @@ -321,43 +642,155 @@ void PortGroupList::clear () { _groups.clear (); - _bundles_dirty = true; + _bundle_changed_connections.drop_connections (); + emit_changed (); } -ARDOUR::BundleList const & + +PortGroup::BundleList const & PortGroupList::bundles () const { - if (_bundles_dirty) { - update_bundles (); + _bundles.clear (); + + for (PortGroupList::List::const_iterator i = begin (); i != end (); ++i) { + std::copy ((*i)->bundles().begin(), (*i)->bundles().end(), std::back_inserter (_bundles)); } return _bundles; } -uint32_t -PortGroupList::total_visible_ports () const +ChanCount +PortGroupList::total_channels () const { - uint32_t n = 0; - + ChanCount n; + for (PortGroupList::List::const_iterator i = begin(); i != end(); ++i) { - if ((*i)->visible()) { - n += (*i)->total_ports (); - } + n += (*i)->total_channels (); } return n; } void -PortGroupList::group_modified () +PortGroupList::add_group_if_not_empty (boost::shared_ptr g) { - _bundles_dirty = true; + if (!g->bundles().empty ()) { + add_group (g); + } } void PortGroupList::add_group (boost::shared_ptr g) { _groups.push_back (g); - g->Modified.connect (sigc::mem_fun (*this, &PortGroupList::group_modified)); - _bundles_dirty = true; + + g->Changed.connect (_changed_connections, invalidator (*this), boost::bind (&PortGroupList::emit_changed, this), gui_context()); + g->BundleChanged.connect (_bundle_changed_connections, invalidator (*this), ui_bind (&PortGroupList::emit_bundle_changed, this, _1), gui_context()); + + emit_changed (); +} + +void +PortGroupList::remove_bundle (boost::shared_ptr b) +{ + for (List::iterator i = _groups.begin(); i != _groups.end(); ++i) { + (*i)->remove_bundle (b); + } + + emit_changed (); +} + +void +PortGroupList::emit_changed () +{ + if (_signals_suspended) { + _pending_change = true; + } else { + Changed (); + } +} + +void +PortGroupList::emit_bundle_changed (Bundle::Change c) +{ + if (_signals_suspended) { + _pending_bundle_change = c; + } else { + BundleChanged (c); + } +} +void +PortGroupList::suspend_signals () +{ + _signals_suspended = true; +} + +void +PortGroupList::resume_signals () +{ + if (_pending_change) { + Changed (); + _pending_change = false; + } + + if (_pending_bundle_change != 0) { + BundleChanged (_pending_bundle_change); + _pending_bundle_change = (ARDOUR::Bundle::Change) 0; + } + + _signals_suspended = false; +} + +boost::shared_ptr +PortGroupList::io_from_bundle (boost::shared_ptr b) const +{ + List::const_iterator i = _groups.begin (); + while (i != _groups.end()) { + boost::shared_ptr io = (*i)->io_from_bundle (b); + if (io) { + return io; + } + ++i; + } + + return boost::shared_ptr (); +} + +bool +PortGroupList::empty () const +{ + List::const_iterator i = _groups.begin (); + while (i != _groups.end() && (*i)->total_channels() == ChanCount::ZERO) { + ++i; + } + + return (i == _groups.end()); +} + +/** Take a bundle, and either return it, if it contains only ports of type \a t, + * or return a new bundle with those ports from \a b which are of type \a t. + * Note that t == NIL is taken to mean "all types". + */ +boost::shared_ptr +PortGroupList::bundle_for_type (boost::shared_ptr b, DataType t) const +{ + /* We are asked for a bundle with all types, so that's easy */ + if (t == DataType::NIL) { + return b; + } + + if (b->nchannels().get(t) == b->nchannels().n_total()) { + /* All channels on b are of the correct type, so just return b */ + return b; + } + + /* We must build a new bundle */ + boost::shared_ptr n (new ARDOUR::Bundle (b->name(), b->ports_are_inputs())); + for (uint32_t i = 0; i < b->nchannels().n_total(); ++i) { + if (b->channel_type(i) == t) { + n->add_channel (b->channel_name (i), t, b->channel_ports (i)); + } + } + + return n; }