X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gtk2_ardour%2Fport_matrix.cc;h=1b588511fdc47c7555555b634b9d70befc4544cc;hb=70728fd739ae180c11f24b0ba42972f5465e8c87;hp=052a26c25cf1c2f2cd3e33075f7021b0a05dc254;hpb=54cbc45a5a40f4eefd64fa41ad9029f5f8f6a84f;p=ardour.git diff --git a/gtk2_ardour/port_matrix.cc b/gtk2_ardour/port_matrix.cc index 052a26c25c..1b588511fd 100644 --- a/gtk2_ardour/port_matrix.cc +++ b/gtk2_ardour/port_matrix.cc @@ -26,22 +26,25 @@ #include #include #include +#include #include "ardour/bundle.h" #include "ardour/types.h" #include "ardour/session.h" #include "ardour/route.h" #include "ardour/audioengine.h" +#include "gtkmm2ext/utils.h" #include "port_matrix.h" #include "port_matrix_body.h" #include "port_matrix_component.h" #include "ardour_dialog.h" -#include "i18n.h" +#include "pbd/i18n.h" #include "gui_thread.h" #include "utils.h" using namespace std; using namespace Gtk; using namespace ARDOUR; +using namespace ARDOUR_UI_UTILS; /** PortMatrix constructor. * @param session Our session. @@ -145,28 +148,28 @@ PortMatrix::init () } /* Part 2: notice when things have changed that require our subclass to clear and refill _ports[] */ - + /* watch for routes being added or removed */ _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::routes_changed, this), gui_context()); /* and also bundles */ - _session->BundleAdded.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports, this), gui_context()); + _session->BundleAddedOrRemoved.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports, this), gui_context()); /* and also ports */ _session->engine().PortRegisteredOrUnregistered.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports, this), gui_context()); /* watch for route order keys changing, which changes the order of things in our global ports list(s) */ - _session->RouteOrderKeyChanged.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports_proxy, this), gui_context()); + PresentationInfo::Change.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::setup_global_ports_proxy, this), gui_context()); /* Part 3: other stuff */ - + _session->engine().PortConnectedOrDisconnected.connect (_session_connections, invalidator (*this), boost::bind (&PortMatrix::port_connected_or_disconnected, this), gui_context ()); _hscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::hscroll_changed)); _vscroll.signal_value_changed().connect (sigc::mem_fun (*this, &PortMatrix::vscroll_changed)); reconnect_to_routes (); - + setup (); } @@ -178,7 +181,8 @@ PortMatrix::reconnect_to_routes () boost::shared_ptr routes = _session->get_routes (); for (RouteList::iterator i = routes->begin(); i != routes->end(); ++i) { - (*i)->processors_changed.connect (_route_connections, invalidator (*this), ui_bind (&PortMatrix::route_processors_changed, this, _1), gui_context()); + (*i)->processors_changed.connect (_route_connections, invalidator (*this), boost::bind (&PortMatrix::route_processors_changed, this, _1), gui_context()); + (*i)->DropReferences.connect (_route_connections, invalidator (*this), boost::bind (&PortMatrix::routes_changed, this), gui_context()); } } @@ -197,6 +201,7 @@ PortMatrix::route_processors_changed (RouteProcessorChange c) void PortMatrix::routes_changed () { + if (!_session) return; reconnect_to_routes (); setup_global_ports (); } @@ -205,13 +210,19 @@ PortMatrix::routes_changed () void PortMatrix::setup () { + if (!_session) { + _route_connections.drop_connections (); + return; // session went away + } + /* this needs to be done first, as the visible_ports() method uses the notebook state to decide which ports are being shown */ setup_notebooks (); - + _body->setup (); setup_scrollbars (); + update_tab_highlighting (); queue_draw (); } @@ -238,17 +249,26 @@ PortMatrix::setup_scrollbars () { Adjustment* a = _hscroll.get_adjustment (); a->set_lower (0); - a->set_upper (_body->full_scroll_width()); a->set_page_size (_body->alloc_scroll_width()); a->set_step_increment (32); a->set_page_increment (128); + /* Set the adjustment to zero if the size has changed.*/ + if (a->get_upper() != _body->full_scroll_width()) { + a->set_upper (_body->full_scroll_width()); + a->set_value (0); + } + a = _vscroll.get_adjustment (); a->set_lower (0); - a->set_upper (_body->full_scroll_height()); a->set_page_size (_body->alloc_scroll_height()); a->set_step_increment (32); a->set_page_increment (128); + + if (a->get_upper() != _body->full_scroll_height()) { + a->set_upper (_body->full_scroll_height()); + a->set_value (0); + } } /** Disassociate all of our ports from each other */ @@ -289,8 +309,8 @@ void PortMatrix::select_arrangement () { uint32_t const N[2] = { - count_of_our_type (_ports[0].total_channels()), - count_of_our_type (_ports[1].total_channels()) + count_of_our_type_min_1 (_ports[0].total_channels()), + count_of_our_type_min_1 (_ports[1].total_channels()) }; /* XXX: shirley there's an easier way than this */ @@ -326,12 +346,19 @@ PortMatrix::select_arrangement () _vbox.pack_end (_vnotebook, false, false); _vbox.pack_end (_vspacer, true, true); +#define REMOVE_FROM_GTK_PARENT(WGT) if ((WGT).get_parent()) { (WGT).get_parent()->remove(WGT);} + REMOVE_FROM_GTK_PARENT(*_body) + REMOVE_FROM_GTK_PARENT(_vscroll) + REMOVE_FROM_GTK_PARENT(_hscroll) + REMOVE_FROM_GTK_PARENT(_vbox) + REMOVE_FROM_GTK_PARENT(_hbox) + attach (*_body, 2, 3, 1, 2, FILL | EXPAND, FILL | EXPAND); attach (_vscroll, 3, 4, 1, 2, SHRINK); attach (_hscroll, 2, 3, 3, 4, FILL | EXPAND, SHRINK); attach (_vbox, 1, 2, 1, 2, SHRINK); attach (_hbox, 2, 3, 2, 3, FILL | EXPAND, SHRINK); - + } else { _row_index = 1; @@ -345,6 +372,12 @@ PortMatrix::select_arrangement () _vbox.pack_end (_vnotebook, false, false); _vbox.pack_end (_vlabel, false, false); + REMOVE_FROM_GTK_PARENT(*_body) + REMOVE_FROM_GTK_PARENT(_vscroll) + REMOVE_FROM_GTK_PARENT(_hscroll) + REMOVE_FROM_GTK_PARENT(_vbox) + REMOVE_FROM_GTK_PARENT(_hbox) + attach (*_body, 1, 2, 2, 3, FILL | EXPAND, FILL | EXPAND); attach (_vscroll, 3, 4, 2, 3, SHRINK); attach (_hscroll, 1, 2, 3, 4, FILL | EXPAND, SHRINK); @@ -379,6 +412,9 @@ PortMatrix::visible_rows () const return visible_ports (_row_index); } +/** @param column Column; its bundle may be 0 if we are over a row heading. + * @param row Row; its bundle may be 0 if we are over a column heading. + */ void PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t) { @@ -407,17 +443,25 @@ PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t) boost::weak_ptr w (bc[dim].bundle); - bool can_add_or_rename = false; + if (can_add_channels (bc[dim].bundle)) { + /* Start off with options for the `natural' port type */ + for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) { + if (should_show (*i)) { + snprintf (buf, sizeof (buf), _("Add %s %s"), (*i).to_i18n_string(), channel_noun().c_str()); + sub.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::add_channel_proxy), w, *i))); + } + } - for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) { - if (should_show (*i)) { - snprintf (buf, sizeof (buf), _("Add %s %s"), (*i).to_i18n_string(), channel_noun().c_str()); - sub.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::add_channel_proxy), w, *i))); - can_add_or_rename = true; + /* Now add other ones */ + for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) { + if (!should_show (*i)) { + snprintf (buf, sizeof (buf), _("Add %s %s"), (*i).to_i18n_string(), channel_noun().c_str()); + sub.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::add_channel_proxy), w, *i))); + } } } - if (can_rename_channels (bc[dim].bundle)) { + if (can_rename_channels (bc[dim].bundle) && bc[dim].channel != -1) { snprintf ( buf, sizeof (buf), _("Rename '%s'..."), escape_underscores (bc[dim].bundle->channel_name (bc[dim].channel)).c_str() @@ -428,47 +472,50 @@ PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t) sigc::bind (sigc::mem_fun (*this, &PortMatrix::rename_channel_proxy), w, bc[dim].channel) ) ); - can_add_or_rename = true; } - if (can_add_or_rename) { - sub.push_back (SeparatorElem ()); - } - - if (can_remove_channels (bc[dim].bundle)) { + if (can_remove_channels (bc[dim].bundle) && bc[dim].bundle->nchannels() != ARDOUR::ChanCount::ZERO) { if (bc[dim].channel != -1) { add_remove_option (sub, w, bc[dim].channel); } else { - - snprintf (buf, sizeof (buf), _("Remove all")); sub.push_back ( - MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_all_channels), w)) + MenuElem (_("Remove all"), sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_all_channels), w)) ); - - for (uint32_t i = 0; i < bc[dim].bundle->nchannels().n_total(); ++i) { - if (should_show (bc[dim].bundle->channel_type(i))) { - add_remove_option (sub, w, i); - } - } + + if (bc[dim].bundle->nchannels().n_total() > 1) { + for (uint32_t i = 0; i < bc[dim].bundle->nchannels().n_total(); ++i) { + if (should_show (bc[dim].bundle->channel_type(i))) { + add_remove_option (sub, w, i); + } + } + } } } - if (_show_only_bundles || count_of_our_type (bc[dim].bundle->nchannels()) <= 1) { + uint32_t c = count_of_our_type (bc[dim].bundle->nchannels ()); + if ((_show_only_bundles && c > 0) || c == 1) { + + /* we're looking just at bundles, or our bundle has only one channel, so just offer + to disassociate all on the bundle. + */ + snprintf (buf, sizeof (buf), _("%s all"), disassociation_verb().c_str()); sub.push_back ( - MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, bc[dim].channel, dim)) + MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_bundle), w, dim)) ); - - } else { - + + } else if (c != 0) { + if (bc[dim].channel != -1) { + /* specific channel under the menu, so just offer to disassociate that */ add_disassociate_option (sub, w, dim, bc[dim].channel); } else { + /* no specific channel; offer to disassociate all, or any one in particular */ snprintf (buf, sizeof (buf), _("%s all"), disassociation_verb().c_str()); sub.push_back ( MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_bundle), w, dim)) ); - + for (uint32_t i = 0; i < bc[dim].bundle->nchannels().n_total(); ++i) { if (should_show (bc[dim].bundle->channel_type(i))) { add_disassociate_option (sub, w, dim, i); @@ -488,12 +535,16 @@ PortMatrix::popup_menu (BundleChannel column, BundleChannel row, uint32_t t) } items.push_back (MenuElem (_("Rescan"), sigc::mem_fun (*this, &PortMatrix::setup_all_ports))); + items.push_back (CheckMenuElem (_("Show individual ports"), sigc::mem_fun (*this, &PortMatrix::toggle_show_only_bundles))); - CheckMenuItem* i = dynamic_cast (&items.back()); + Gtk::CheckMenuItem* i = dynamic_cast (&items.back()); _inhibit_toggle_show_only_bundles = true; i->set_active (!_show_only_bundles); _inhibit_toggle_show_only_bundles = false; + items.push_back (MenuElem (_("Flip"), sigc::mem_fun (*this, &PortMatrix::flip))); + items.back().set_sensitive (can_flip ()); + _menu->popup (1, t); } @@ -548,7 +599,7 @@ PortMatrix::disassociate_all_on_channel (boost::weak_ptr bundle, uint32_ for (PortGroup::BundleList::iterator i = a.begin(); i != a.end(); ++i) { for (uint32_t j = 0; j < (*i)->bundle->nchannels().n_total(); ++j) { - if (should_show ((*i)->bundle->channel_type(j))) { + if (!should_show ((*i)->bundle->channel_type(j))) { continue; } @@ -568,6 +619,7 @@ PortMatrix::disassociate_all_on_channel (boost::weak_ptr bundle, uint32_ void PortMatrix::setup_global_ports () { + if (!_session || _session->deletion_in_progress()) return; ENSURE_GUI_THREAD (*this, &PortMatrix::setup_global_ports) for (int i = 0; i < 2; ++i) { @@ -608,8 +660,13 @@ PortMatrix::toggle_show_only_bundles () } _show_only_bundles = !_show_only_bundles; - + setup (); + + /* The way in which hardware ports are grouped changes depending on the _show_only_bundles + setting, so we need to set things up again now. + */ + setup_all_ports (); } pair @@ -659,9 +716,9 @@ PortMatrix::io_from_bundle (boost::shared_ptr b) const } bool -PortMatrix::can_add_channel (boost::shared_ptr b) const +PortMatrix::can_add_channels (boost::shared_ptr b) const { - return io_from_bundle (b); + return io_from_bundle (b) != 0; } void @@ -670,36 +727,49 @@ PortMatrix::add_channel (boost::shared_ptr b, DataType t) boost::shared_ptr io = io_from_bundle (b); if (io) { - io->add_port ("", this, t); + int const r = io->add_port ("", this, t); + if (r == -1) { + Gtk::MessageDialog msg (_("It is not possible to add a port here.")); + msg.set_title (_("Cannot add port")); + msg.run (); + } } } bool PortMatrix::can_remove_channels (boost::shared_ptr b) const { - return io_from_bundle (b); + return io_from_bundle (b) != 0; } void PortMatrix::remove_channel (ARDOUR::BundleChannel b) { + std::string errmsg; boost::shared_ptr io = io_from_bundle (b.bundle); + boost::shared_ptr p = io->nth (b.channel); - if (io) { - Port* p = io->nth (b.channel); - if (p) { - int const r = io->remove_port (p, this); - if (r == -1) { - ArdourDialog d (_("Port removal not allowed")); - Label l (_("This port cannot be removed, as the first plugin in the track or buss cannot accept the new number of inputs.")); - d.get_vbox()->pack_start (l); - d.add_button (Stock::OK, RESPONSE_ACCEPT); - d.set_modal (true); - d.show_all (); - d.run (); - } + if (!io || !p) { + return; + } + + if (io->n_ports ().n_total () == 1) { + errmsg = _("The last port cannot be removed"); + } else { + if (-1 == io->remove_port (p, this)) { + errmsg = _("This port cannot be removed."); } } + + if (!errmsg.empty ()) { + ArdourDialog d (_("Port removal not allowed")); + Label l (errmsg); + d.get_vbox()->pack_start (l); + d.add_button (Stock::OK, RESPONSE_ACCEPT); + d.set_modal (true); + d.show_all (); + d.run (); + } } void @@ -710,7 +780,10 @@ PortMatrix::remove_all_channels (boost::weak_ptr w) return; } - for (uint32_t i = 0; i < b->nchannels().n_total(); ++i) { + /* Remove channels backwards so that we don't renumber channels + that we are about to remove. + */ + for (int i = (b->nchannels().n_total() - 1); i >= 0; --i) { if (should_show (b->channel_type(i))) { remove_channel (ARDOUR::BundleChannel (b, i)); } @@ -733,12 +806,12 @@ PortMatrix::setup_notebooks () { int const h_current_page = _hnotebook.get_current_page (); int const v_current_page = _vnotebook.get_current_page (); - + /* for some reason best known to GTK, erroneous switch_page signals seem to be generated when adding or removing pages to or from notebooks, so ignore them */ - + _ignore_notebook_page_selected = true; - + remove_notebook_pages (_hnotebook); remove_notebook_pages (_vnotebook); @@ -747,14 +820,26 @@ PortMatrix::setup_notebooks () dummy->show (); Label* label = manage (new Label ((*i)->name)); label->set_angle (_arrangement == LEFT_TO_BOTTOM ? 90 : -90); + label->set_use_markup (); label->show (); - _vnotebook.prepend_page (*dummy, *label); + if (_arrangement == LEFT_TO_BOTTOM) { + _vnotebook.prepend_page (*dummy, *label); + } else { + /* Reverse the order of vertical tabs when they are on the right hand side + so that from top to bottom it is the same order as that from left to right + for the top tabs. + */ + _vnotebook.append_page (*dummy, *label); + } } for (PortGroupList::List::const_iterator i = _ports[_column_index].begin(); i != _ports[_column_index].end(); ++i) { HBox* dummy = manage (new HBox); dummy->show (); - _hnotebook.append_page (*dummy, (*i)->name); + Label* label = manage (new Label ((*i)->name)); + label->set_use_markup (); + label->show (); + _hnotebook.append_page (*dummy, *label); } _ignore_notebook_page_selected = false; @@ -796,7 +881,7 @@ void PortMatrix::remove_notebook_pages (Notebook& n) { int const N = n.get_n_pages (); - + for (int i = 0; i < N; ++i) { n.remove_page (); } @@ -840,20 +925,31 @@ PortMatrix::body_dimensions_changed () /* Don't shrink the window */ m.first = max (int (m.first), curr_width); m.second = max (int (m.second), curr_height); - + resize_window_to_proportion_of_monitor (_parent, m.first, m.second); } - +/** @return The PortGroup that is currently visible (ie selected by + * the notebook) along a given axis. + */ boost::shared_ptr PortMatrix::visible_ports (int d) const { PortGroupList const & p = _ports[d]; PortGroupList::List::const_iterator j = p.begin (); + /* The logic to compute the index here is a bit twisty because for + the TOP_TO_RIGHT arrangement we reverse the order of the vertical + tabs in setup_notebooks (). + */ + int n = 0; if (d == _row_index) { - n = p.size() - _vnotebook.get_current_page () - 1; + if (_arrangement == LEFT_TO_BOTTOM) { + n = p.size() - _vnotebook.get_current_page () - 1; + } else { + n = _vnotebook.get_current_page (); + } } else { n = _hnotebook.get_current_page (); } @@ -863,7 +959,7 @@ PortMatrix::visible_ports (int d) const ++i; ++j; } - + if (j == p.end()) { return boost::shared_ptr (); } @@ -880,7 +976,7 @@ PortMatrix::add_remove_option (Menu_Helpers::MenuList& m, boost::weak_ptrchannel_name (c)).c_str()); m.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::remove_channel_proxy), w, c))); @@ -895,7 +991,7 @@ PortMatrix::add_disassociate_option (Menu_Helpers::MenuList& m, boost::weak_ptr< if (!b) { return; } - + char buf [64]; snprintf (buf, sizeof (buf), _("%s all from '%s'"), disassociation_verb().c_str(), escape_underscores (b->channel_name (c)).c_str()); m.push_back (MenuElem (buf, sigc::bind (sigc::mem_fun (*this, &PortMatrix::disassociate_all_on_channel), w, c, d))); @@ -905,6 +1001,59 @@ void PortMatrix::port_connected_or_disconnected () { _body->rebuild_and_draw_grid (); + update_tab_highlighting (); +} + +/** Update the highlighting of tab names to reflect which ones + * have connections. This is pretty inefficient, unfortunately, + * but maybe that doesn't matter too much. + */ +void +PortMatrix::update_tab_highlighting () +{ + if (!_session) { + return; + } + + for (int i = 0; i < 2; ++i) { + + Gtk::Notebook* notebook = row_index() == i ? &_vnotebook : &_hnotebook; + + PortGroupList const * gl = ports (i); + int p = 0; + for (PortGroupList::List::const_iterator j = gl->begin(); j != gl->end(); ++j) { + bool has_connection = false; + PortGroup::BundleList const & bl = (*j)->bundles (); + PortGroup::BundleList::const_iterator k = bl.begin (); + while (k != bl.end()) { + if ((*k)->bundle->connected_to_anything (_session->engine())) { + has_connection = true; + break; + } + ++k; + } + + /* Find the page index that we should update; this is backwards + for the vertical tabs in the LEFT_TO_BOTTOM arrangement. + */ + int page = p; + if (i == row_index() && _arrangement == LEFT_TO_BOTTOM) { + page = notebook->get_n_pages() - p - 1; + } + + Gtk::Label* label = dynamic_cast (notebook->get_tab_label(*notebook->get_nth_page (page))); + string c = label->get_label (); + if (c.length() && c[0] == '<' && !has_connection) { + /* this label is marked up with but shouldn't be */ + label->set_text ((*j)->name); + } else if (c.length() && c[0] != '<' && has_connection) { + /* this label is not marked up with but should be */ + label->set_markup (string_compose ("%1", Gtkmm2ext::markup_escape_text ((*j)->name))); + } + + ++p; + } + } } string @@ -919,7 +1068,7 @@ PortMatrix::should_show (DataType t) const { return (_type == DataType::NIL || t == _type); } - + uint32_t PortMatrix::count_of_our_type (ChanCount c) const { @@ -929,3 +1078,161 @@ PortMatrix::count_of_our_type (ChanCount c) const return c.get (_type); } + +/** @return The number of ports of our type in the given channel count, + * but returning 1 if there are no ports. + */ +uint32_t +PortMatrix::count_of_our_type_min_1 (ChanCount c) const +{ + uint32_t n = count_of_our_type (c); + if (n == 0) { + n = 1; + } + + return n; +} + +PortMatrixNode::State +PortMatrix::get_association (PortMatrixNode node) const +{ + if (show_only_bundles ()) { + + bool have_off_diagonal_association = false; + bool have_diagonal_association = false; + bool have_diagonal_not_association = false; + + for (uint32_t i = 0; i < node.row.bundle->nchannels().n_total(); ++i) { + + for (uint32_t j = 0; j < node.column.bundle->nchannels().n_total(); ++j) { + + if (!should_show (node.row.bundle->channel_type(i)) || !should_show (node.column.bundle->channel_type(j))) { + continue; + } + + ARDOUR::BundleChannel c[2]; + c[row_index()] = ARDOUR::BundleChannel (node.row.bundle, i); + c[column_index()] = ARDOUR::BundleChannel (node.column.bundle, j); + + PortMatrixNode::State const s = get_state (c); + + switch (s) { + case PortMatrixNode::ASSOCIATED: + if (i == j) { + have_diagonal_association = true; + } else { + have_off_diagonal_association = true; + } + break; + + case PortMatrixNode::NOT_ASSOCIATED: + if (i == j) { + have_diagonal_not_association = true; + } + break; + + default: + break; + } + } + } + + if (have_diagonal_association && !have_off_diagonal_association && !have_diagonal_not_association) { + return PortMatrixNode::ASSOCIATED; + } else if (!have_diagonal_association && !have_off_diagonal_association) { + return PortMatrixNode::NOT_ASSOCIATED; + } + + return PortMatrixNode::PARTIAL; + + } else { + + ARDOUR::BundleChannel c[2]; + c[column_index()] = node.column; + c[row_index()] = node.row; + return get_state (c); + + } + + abort(); /* NOTREACHED */ + return PortMatrixNode::NOT_ASSOCIATED; +} + +/** @return true if b is a non-zero pointer and the bundle it points to has some channels */ +bool +PortMatrix::bundle_with_channels (boost::shared_ptr b) +{ + return b && b->nchannels() != ARDOUR::ChanCount::ZERO; +} + +/** See if a `flip' is possible. + * @return If flip is possible, the new (row, column) notebook indices that + * should be selected; otherwise, (-1, -1) + */ +pair +PortMatrix::check_flip () const +{ + /* Look for the row's port group name in the columns */ + + int new_column = 0; + boost::shared_ptr r = visible_ports (_row_index); + PortGroupList::List::const_iterator i = _ports[_column_index].begin(); + while (i != _ports[_column_index].end() && (*i)->name != r->name) { + ++i; + ++new_column; + } + + if (i == _ports[_column_index].end ()) { + return make_pair (-1, -1); + } + + /* Look for the column's port group name in the rows */ + + int new_row = 0; + boost::shared_ptr c = visible_ports (_column_index); + i = _ports[_row_index].begin(); + while (i != _ports[_row_index].end() && (*i)->name != c->name) { + ++i; + ++new_row; + } + + if (i == _ports[_row_index].end ()) { + return make_pair (-1, -1); + } + + if (_arrangement == LEFT_TO_BOTTOM) { + new_row = _ports[_row_index].size() - new_row - 1; + } + + return make_pair (new_row, new_column); +} + +bool +PortMatrix::can_flip () const +{ + return check_flip().first != -1; +} + +/** Flip the column and row pages around, if possible */ +void +PortMatrix::flip () +{ + pair n = check_flip (); + if (n.first == -1) { + return; + } + + _vnotebook.set_current_page (n.first); + _hnotebook.set_current_page (n.second); +} + +bool +PortMatrix::key_press (GdkEventKey* k) +{ + if (k->keyval == GDK_f) { + flip (); + return true; + } + + return false; +}