gtk2_ardour/io_selector.cc

   1 /*
   2     Copyright (C) 2002-2003 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <map>
  21 #include <vector>
  22
  23 #include <sigc++/bind.h>
  24
  25 #include <gtkmm/messagedialog.h>
  26
  27 #include <glibmm/thread.h>
  28
  29 #include <ardour/io.h>
  30 #include <ardour/route.h>
  31 #include <ardour/audioengine.h>
  32 #include <ardour/port.h>
  33 #include <ardour/port_insert.h>
  34 #include <ardour/session.h>
  35 #include <ardour/audio_diskstream.h>
  36
  37 #include <gtkmm2ext/doi.h>
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/utils.h>
  40
  41 #include "utils.h"
  42 #include "io_selector.h"
  43 #include "keyboard.h"
  44 #include "gui_thread.h"
  45
  46 #include "i18n.h"
  47
  48 using namespace std;
  49 using namespace Gtk;
  50 using namespace Glib;
  51 using namespace sigc;
  52 using namespace ARDOUR;
  53 using namespace PBD;
  54 using namespace Gtkmm2ext;
  55
  56 IOSelectorWindow::IOSelectorWindow (Session& sess, boost::shared_ptr<IO> ior, bool input, bool can_cancel)
  57         : ArdourDialog ("i/o selector"),
  58           _selector (sess, ior, input),
  59           ok_button (can_cancel ? _("OK"): _("Close")),
  60           cancel_button (_("Cancel")),
  61           rescan_button (_("Rescan"))
  62
  63 {
  64         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
  65         set_name ("IOSelectorWindow");
  66
  67         string title;
  68         if (input) {
  69                 title = string_compose(_("%1 input"), ior->name());
  70         } else {
  71                 title = string_compose(_("%1 output"), ior->name());
  72         }
  73
  74         ok_button.set_name ("IOSelectorButton");
  75         cancel_button.set_name ("IOSelectorButton");
  76         rescan_button.set_name ("IOSelectorButton");
  77
  78         button_box.set_spacing (5);
  79         button_box.set_border_width (5);
  80         button_box.set_homogeneous (true);
  81         button_box.pack_start (rescan_button);
  82
  83         if (can_cancel) {
  84                 button_box.pack_start (cancel_button);
  85         } else {
  86                 cancel_button.hide();
  87         }
  88
  89         button_box.pack_start (ok_button);
  90
  91         get_vbox()->pack_start (_selector);
  92         get_vbox()->pack_start (button_box, false, false);
  93
  94         ok_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::accept));
  95         cancel_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::cancel));
  96         rescan_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::rescan));
  97
  98         set_title (title);
  99         set_position (WIN_POS_MOUSE);
 100
 101         ok_button.show();
 102         cancel_button.show();
 103         rescan_button.show();
 104         button_box.show();
 105         get_vbox()->show();
 106
 107         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window *> (this)));
 108 }
 109
 110 IOSelectorWindow::~IOSelectorWindow()
 111 {
 112 }
 113
 114 void
 115 IOSelectorWindow::rescan ()
 116 {
 117         _selector.redisplay ();
 118 }
 119
 120 void
 121 IOSelectorWindow::cancel ()
 122 {
 123         _selector.Finished(IOSelector::Cancelled);
 124         hide ();
 125 }
 126
 127 void
 128 IOSelectorWindow::accept ()
 129 {
 130         _selector.Finished(IOSelector::Accepted);
 131         hide ();
 132 }
 133
 134 void
 135 IOSelectorWindow::on_map ()
 136 {
 137         _selector.redisplay ();
 138         Window::on_map ();
 139 }
 140
 141 /*************************
 142   The IO Selector "widget"
 143  *************************/
 144
 145 IOSelector::IOSelector (Session& sess, boost::shared_ptr<IO> ior, bool input)
 146         : session (sess),
 147           io (ior),
 148           for_input (input),
 149           port_frame (for_input? _("Inputs") : _("Outputs")),
 150           add_port_button (for_input? _("Add Input") : _("Add Output")),
 151           remove_port_button (for_input? _("Remove Input") : _("Remove Output")),
 152           clear_connections_button (_("Disconnect All"))
 153 {
 154         selected_port = 0;
 155
 156         notebook.set_name ("IOSelectorNotebook");
 157         notebook.set_size_request (-1, 125);
 158
 159         clear_connections_button.set_name ("IOSelectorButton");
 160         add_port_button.set_name ("IOSelectorButton");
 161         remove_port_button.set_name ("IOSelectorButton");
 162
 163         selector_frame.set_name ("IOSelectorFrame");
 164         port_frame.set_name ("IOSelectorFrame");
 165
 166         selector_frame.set_label (_("Available connections"));
 167
 168         selector_button_box.set_spacing (5);
 169         selector_button_box.set_border_width (5);
 170
 171         selector_box.set_spacing (5);
 172         selector_box.set_border_width (5);
 173         selector_box.pack_start (notebook);
 174         selector_box.pack_start (selector_button_box, false, false);
 175
 176         selector_frame.add (selector_box);
 177
 178         port_box.set_spacing (5);
 179         port_box.set_border_width (5);
 180
 181         port_display_scroller.set_name ("IOSelectorNotebook");
 182         port_display_scroller.set_border_width (0);
 183         port_display_scroller.set_size_request (-1, 170);
 184         port_display_scroller.add (port_box);
 185         port_display_scroller.set_policy (POLICY_NEVER,
 186                                           POLICY_AUTOMATIC);
 187
 188         port_button_box.set_spacing (5);
 189         port_button_box.set_border_width (5);
 190
 191         port_button_box.pack_start (add_port_button, false, false);
 192
 193         // The IO selector only works for single typed IOs
 194         const ARDOUR::DataType t = io->default_type();
 195
 196         if (for_input) {
 197                 if (io->input_maximum().get(t) > (uint32_t) io->n_inputs().get(t)) {
 198                         add_port_button.set_sensitive (true);
 199                 } else {
 200                         add_port_button.set_sensitive (false);
 201                 }
 202
 203         } else {
 204                 if (io->output_maximum().get(t) > (uint32_t) io->n_outputs().get(t)) {
 205                         add_port_button.set_sensitive (true);
 206                 } else {
 207                         add_port_button.set_sensitive (false);
 208                 }
 209
 210         }
 211
 212         port_button_box.pack_start (remove_port_button, false, false);
 213
 214         if (for_input) {
 215                 if (io->input_minimum().get(t) < (uint32_t) io->n_inputs().get(t)) {
 216                         remove_port_button.set_sensitive (true);
 217                 } else {
 218                         remove_port_button.set_sensitive (false);
 219                 }
 220
 221         } else {
 222                 if (io->output_minimum().get(t) < (uint32_t) io->n_outputs().get(t)) {
 223                         remove_port_button.set_sensitive (true);
 224                 } else {
 225                         remove_port_button.set_sensitive (false);
 226                 }
 227         }
 228
 229         port_button_box.pack_start (clear_connections_button, false, false);
 230
 231         port_and_button_box.set_border_width (5);
 232         port_and_button_box.pack_start (port_button_box, false, false);
 233         port_and_button_box.pack_start (port_display_scroller);
 234
 235         port_frame.add (port_and_button_box);
 236
 237         port_and_selector_box.set_spacing (5);
 238         port_and_selector_box.pack_start (port_frame);
 239         port_and_selector_box.pack_start (selector_frame);
 240
 241         set_spacing (5);
 242         set_border_width (5);
 243         pack_start (port_and_selector_box);
 244
 245         rescan();
 246         display_ports ();
 247
 248         clear_connections_button.signal_clicked().connect (mem_fun(*this, &IOSelector::clear_connections));
 249
 250         add_port_button.signal_clicked().connect (mem_fun(*this, &IOSelector::add_port));
 251         remove_port_button.signal_clicked().connect (mem_fun(*this, &IOSelector::remove_port));
 252
 253         if (for_input) {
 254                 io->input_changed.connect (mem_fun(*this, &IOSelector::ports_changed));
 255         } else {
 256                 io->output_changed.connect (mem_fun(*this, &IOSelector::ports_changed));
 257         }
 258
 259         io->NameChanged.connect (mem_fun(*this, &IOSelector::name_changed));
 260
 261         main_box.show();
 262         port_and_selector_box.show();
 263         notebook.show();
 264         selector_frame.show();
 265         selector_box.show();
 266         selector_button_box.show();
 267         port_box.show();
 268         port_button_box.show();
 269         port_and_button_box.show();
 270         port_frame.show();
 271         add_port_button.show();
 272         remove_port_button.show();
 273         clear_connections_button.show();
 274         port_display_scroller.show();
 275
 276         show();
 277
 278 }
 279
 280 IOSelector::~IOSelector ()
 281 {
 282 }
 283
 284 void
 285 IOSelector::set_button_sensitivity ()
 286 {
 287         DataType t = io->default_type();
 288
 289         if (for_input) {
 290
 291                 if (io->input_maximum().get(t) < 0 || io->input_maximum().get(t) > io->n_inputs().get(t)) {
 292                         add_port_button.set_sensitive (true);
 293                 } else {
 294                         add_port_button.set_sensitive (false);
 295                 }
 296
 297         } else {
 298
 299                 if (io->output_maximum().get(t) < 0 || io->output_maximum().get(t) > io->n_outputs().get(t)) {
 300                         add_port_button.set_sensitive (true);
 301                 } else {
 302                         add_port_button.set_sensitive (false);
 303                 }
 304
 305         }
 306
 307         if (for_input) {
 308                 if (io->n_inputs().get(t) && (io->input_minimum().get(t) < 0 || io->input_minimum().get(t) < io->n_inputs().get(t))) {
 309                         remove_port_button.set_sensitive (true);
 310                 } else {
 311                         remove_port_button.set_sensitive (false);
 312                 }
 313
 314         } else {
 315                 if (io->n_outputs().get(t) && (io->output_minimum().get(t) < 0 || io->output_minimum().get(t) < io->n_outputs().get(t))) {
 316                         remove_port_button.set_sensitive (true);
 317                 } else {
 318                         remove_port_button.set_sensitive (false);
 319                 }
 320         }
 321 }
 322
 323
 324 void
 325 IOSelector::name_changed ()
 326 {
 327         ENSURE_GUI_THREAD(mem_fun(*this, &IOSelector::name_changed));
 328
 329         display_ports ();
 330 }
 331
 332 void
 333 IOSelector::clear_connections ()
 334 {
 335         if (for_input) {
 336                 io->disconnect_inputs (this);
 337         } else {
 338                 io->disconnect_outputs (this);
 339         }
 340 }
 341
 342 void
 343 IOSelector::rescan ()
 344 {
 345         using namespace Notebook_Helpers;
 346
 347         typedef std::map<string,vector<pair<string,string> > > PortMap;
 348         PortMap portmap;
 349         const char **ports;
 350         PageList& pages = notebook.pages();
 351         gint current_page;
 352         vector<string> rowdata;
 353
 354         page_selection_connection.disconnect ();
 355
 356         current_page = notebook.get_current_page ();
 357
 358         pages.clear ();
 359
 360         /* get relevant current JACK ports */
 361
 362         ports = session.engine().get_ports ("", io->default_type().to_jack_type(), for_input ? JackPortIsOutput : JackPortIsInput);
 363
 364         if (ports == 0) {
 365                 return;
 366         }
 367
 368         /* find all the client names and group their ports into a list-by-client */
 369
 370         for (int n = 0; ports[n]; ++n) {
 371
 372                 pair<string,vector<pair<string,string> > > newpair;
 373                 pair<string,string> strpair;
 374                 pair<PortMap::iterator,bool> result;
 375
 376                 string str = ports[n];
 377                 string::size_type pos;
 378                 string portname;
 379
 380                 pos = str.find (':');
 381
 382                 newpair.first = str.substr (0, pos);
 383                 portname = str.substr (pos+1);
 384
 385                 result = portmap.insert (newpair);
 386
 387                 strpair.first = portname;
 388                 strpair.second = str;
 389
 390                 result.first->second.push_back (strpair);
 391         }
 392
 393         PortMap::iterator i;
 394
 395         for (i = portmap.begin(); i != portmap.end(); ++i) {
 396
 397                 Box *client_box = manage (new VBox);
 398                 TreeView *display = manage (new TreeView);
 399                 RefPtr<ListStore> model = ListStore::create (port_display_columns);
 400                 ScrolledWindow *scroller = manage (new ScrolledWindow);
 401
 402                 display->set_model (model);
 403                 display->append_column (X_("notvisible"), port_display_columns.displayed_name);
 404                 display->set_headers_visible (false);
 405                 display->get_selection()->set_mode (SELECTION_SINGLE);
 406                 display->set_name ("IOSelectorList");
 407
 408                 for (vector<pair<string,string> >::iterator s = i->second.begin(); s != i->second.end(); ++s) {
 409
 410                         TreeModel::Row row = *(model->append ());
 411
 412                         row[port_display_columns.displayed_name] = s->first;
 413                         row[port_display_columns.full_name] = s->second;
 414                 }
 415
 416                 display->signal_button_release_event().connect (bind (mem_fun(*this, &IOSelector::port_selection_changed), display));
 417                 Label *tab_label = manage (new Label);
 418
 419                 tab_label->set_name ("IOSelectorNotebookTab");
 420                 tab_label->set_text ((*i).first);
 421
 422                 scroller->add (*display);
 423                 scroller->set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 424
 425                 client_box->pack_start (*scroller);
 426
 427                 pages.push_back (TabElem (*client_box, *tab_label));
 428         }
 429
 430         notebook.set_current_page (current_page);
 431         page_selection_connection = notebook.signal_show().connect (bind (mem_fun (notebook, &Notebook::set_current_page), current_page));
 432         selector_box.show_all ();
 433 }
 434
 435 void
 436 IOSelector::display_ports ()
 437 {
 438         TreeView *firsttview = 0;
 439         TreeView *selected_port_tview = 0;
 440         {
 441                 Glib::Mutex::Lock lm  (port_display_lock);
 442                 Port *port;
 443                 uint32_t limit;
 444
 445                 // The IO selector only works for single typed IOs
 446                 const ARDOUR::DataType t = io->default_type();
 447
 448                 if (for_input) {
 449                         limit = io->n_inputs().get(t);
 450                 } else {
 451                         limit = io->n_outputs().get(t);
 452                 }
 453
 454                 for (slist<TreeView *>::iterator i = port_displays.begin(); i != port_displays.end(); ) {
 455
 456                         slist<TreeView *>::iterator tmp;
 457
 458                         tmp = i;
 459                         ++tmp;
 460
 461                         port_box.remove (**i);
 462                         delete *i;
 463                         port_displays.erase (i);
 464
 465                         i = tmp;
 466                 }
 467
 468                 for (uint32_t n = 0; n < limit; ++n) {
 469
 470                         TreeView* tview;
 471                         //ScrolledWindow *scroller;
 472                         string really_short_name;
 473
 474                         if (for_input) {
 475                                 port = io->input (n);
 476                         } else {
 477                                 port = io->output (n);
 478                         }
 479
 480                         /* we know there is '/' because we put it there */
 481
 482                         really_short_name = port->short_name();
 483                         really_short_name = really_short_name.substr (really_short_name.find ('/') + 1);
 484
 485                         tview = manage (new TreeView());
 486                         RefPtr<ListStore> port_model = ListStore::create (port_display_columns);
 487
 488                         if (!firsttview) {
 489                                 firsttview = tview;
 490                         }
 491
 492                         tview->set_model (port_model);
 493                         tview->append_column (really_short_name, port_display_columns.displayed_name);
 494                         tview->get_selection()->set_mode (SELECTION_SINGLE);
 495                         tview->set_data (X_("port"), port);
 496                         tview->set_headers_visible (true);
 497                         tview->set_name (X_("IOSelectorPortList"));
 498
 499                         port_box.pack_start (*tview);
 500                         port_displays.insert (port_displays.end(), tview);
 501
 502                         /* now fill the clist with the current connections */
 503
 504                         const char **connections = port->get_connections ();
 505
 506                         if (connections) {
 507                                 for (uint32_t c = 0; connections[c]; ++c) {
 508                                         TreeModel::Row row = *(port_model->append());
 509                                         row[port_display_columns.displayed_name] = connections[c];
 510                                         row[port_display_columns.full_name] = connections[c];
 511                                 }
 512                         }
 513
 514                         if (for_input) {
 515
 516                                 if (io->input_maximum().get(io->default_type()) == 1) {
 517                                         selected_port = port;
 518                                         selected_port_tview = tview;
 519                                 } else {
 520                                         if (port == selected_port) {
 521                                                 selected_port_tview = tview;
 522                                         }
 523                                 }
 524
 525                         } else {
 526
 527                                 if (io->output_maximum().get(t) == 1) {
 528                                         selected_port = port;
 529                                         selected_port_tview = tview;
 530                                 } else {
 531                                         if (port == selected_port) {
 532                                                 selected_port_tview = tview;
 533                                         }
 534                                 }
 535                         }
 536
 537                         TreeViewColumn* col = tview->get_column (0);
 538
 539                         col->set_clickable (true);
 540
 541                         /* handle button events on the column header ... */
 542                         col->signal_clicked().connect (bind (mem_fun(*this, &IOSelector::select_treeview), tview));
 543
 544                         /* ... and within the treeview itself */
 545                         tview->signal_button_release_event().connect (bind (mem_fun(*this, &IOSelector::connection_button_release), tview));
 546                 }
 547
 548                 port_box.show_all ();
 549         }
 550
 551         if (!selected_port_tview) {
 552                 selected_port_tview = firsttview;
 553         }
 554
 555         if (selected_port_tview) {
 556                 select_treeview (selected_port_tview);
 557         }
 558 }
 559
 560 bool
 561 IOSelector::port_selection_changed (GdkEventButton *ev, TreeView* treeview)
 562 {
 563         TreeModel::iterator i = treeview->get_selection()->get_selected();
 564         int status;
 565
 566         if (!i) {
 567                 return 0;
 568         }
 569
 570         if (selected_port == 0) {
 571                 return 0;
 572         }
 573
 574         ustring other_port_name = (*i)[port_display_columns.full_name];
 575
 576         if (for_input) {
 577                 if ((status = io->connect_input (selected_port, other_port_name, this)) == 0) {
 578                         Port *p = session.engine().get_port_by_name (other_port_name);
 579                         if (p) {
 580                                 p->enable_metering();
 581                         }
 582                 }
 583         } else {
 584                 status = io->connect_output (selected_port, other_port_name, this);
 585         }
 586
 587         if (status == 0) {
 588                 select_next_treeview ();
 589         }
 590
 591         treeview->get_selection()->unselect_all();
 592         return 0;
 593 }
 594
 595 void
 596 IOSelector::ports_changed (IOChange change, void *src)
 597 {
 598         ENSURE_GUI_THREAD(bind (mem_fun(*this, &IOSelector::ports_changed), change, src));
 599
 600         display_ports ();
 601 }
 602
 603 void
 604 IOSelector::add_port ()
 605 {
 606         /* add a new port, then hide the button if we're up to the maximum allowed */
 607
 608         // The IO selector only works for single typed IOs
 609         const ARDOUR::DataType t = io->default_type();
 610
 611         if (for_input) {
 612
 613                 try {
 614                         io->add_input_port ("", this);
 615                 }
 616
 617                 catch (AudioEngine::PortRegistrationFailure& err) {
 618                         MessageDialog msg (0,  _("There are no more JACK ports available."));
 619                         msg.run ();
 620                 }
 621
 622         } else {
 623
 624                 try {
 625                         io->add_output_port ("", this);
 626                 }
 627
 628                 catch (AudioEngine::PortRegistrationFailure& err) {
 629                         MessageDialog msg (0, _("There are no more JACK ports available."));
 630                         msg.run ();
 631                 }
 632         }
 633
 634         set_button_sensitivity ();
 635 }
 636
 637 void
 638 IOSelector::remove_port ()
 639 {
 640         uint32_t nports;
 641
 642         // The IO selector only works for single typed IOs
 643         const ARDOUR::DataType t = io->default_type();
 644
 645         // always remove last port
 646
 647         if (for_input) {
 648                 if ((nports = io->n_inputs().get(t)) > 0) {
 649                         io->remove_input_port (io->input(nports-1), this);
 650                 }
 651         } else {
 652                 if ((nports = io->n_outputs().get(t)) > 0) {
 653                         io->remove_output_port (io->output(nports-1), this);
 654                 }
 655         }
 656
 657         set_button_sensitivity ();
 658 }
 659
 660 gint
 661 IOSelector::connection_button_release (GdkEventButton *ev, TreeView *treeview)
 662 {
 663         /* this handles button release on a port name row: i.e. a connection
 664            between the named port and the port represented by the treeview.
 665         */
 666
 667         Gtk::TreeModel::iterator iter;
 668         TreeModel::Path path;
 669         TreeViewColumn* column;
 670         int cellx;
 671         int celly;
 672
 673         /* only handle button1 events here */
 674
 675         if (ev->button != 1) {
 676                 return false;
 677         }
 678
 679         if (!treeview->get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 680                 return false;
 681         }
 682
 683         if ((iter = treeview->get_model()->get_iter (path.to_string()))) {
 684
 685                 /* path is valid */
 686                 ustring connected_port_name = (*iter)[port_display_columns.full_name];
 687                 Port *port = reinterpret_cast<Port *> (treeview->get_data (X_("port")));
 688
 689                 if (for_input) {
 690                         Port *p = session.engine().get_port_by_name (connected_port_name);
 691                         if (p) {
 692                                 p->disable_metering();
 693                         }
 694                         io->disconnect_input (port, connected_port_name, this);
 695                 } else {
 696                         io->disconnect_output (port, connected_port_name, this);
 697                 }
 698         }
 699
 700         return true;
 701 }
 702
 703 void
 704 IOSelector::select_next_treeview ()
 705 {
 706         slist<TreeView*>::iterator next;
 707
 708         if (port_displays.empty() || port_displays.size() == 1) {
 709                 return;
 710         }
 711
 712         for (slist<TreeView *>::iterator i = port_displays.begin(); i != port_displays.end(); ++i) {
 713
 714                 if ((*i)->get_name() == "IOSelectorPortListSelected") {
 715
 716                         ++i;
 717
 718                         if (i == port_displays.end()) {
 719                                 select_treeview (port_displays.front());
 720                         } else {
 721                                 select_treeview (*i);
 722                         }
 723
 724                         break;
 725                 }
 726         }
 727 }
 728
 729 void
 730 IOSelector::select_treeview (TreeView* tview)
 731 {
 732         /* Gack. TreeView's don't respond visually to a change
 733            in their state, so rename them to force a style
 734            switch.
 735         */
 736
 737         Glib::Mutex::Lock lm  (port_display_lock);
 738         Port* port = reinterpret_cast<Port *> (tview->get_data (X_("port")));
 739
 740         selected_port = port;
 741
 742         tview->set_name ("IOSelectorPortListSelected");
 743         tview->queue_draw ();
 744
 745         /* ugly hack to force the column header button to change as well */
 746
 747         TreeViewColumn* col = tview->get_column (0);
 748         GtkTreeViewColumn* ccol = col->gobj();
 749
 750         if (ccol->button) {
 751                 gtk_widget_set_name (ccol->button, "IOSelectorPortListSelected");
 752                 gtk_widget_queue_draw (ccol->button);
 753         }
 754
 755         for (slist<TreeView*>::iterator i = port_displays.begin(); i != port_displays.end(); ++i) {
 756                 if (*i == tview) {
 757                         continue;
 758                 }
 759
 760                 col = (*i)->get_column (0);
 761                 ccol = col->gobj();
 762
 763                 if (ccol->button) {
 764                         gtk_widget_set_name (ccol->button, "IOSelectorPortList");
 765                         gtk_widget_queue_draw (ccol->button);
 766                 }
 767
 768                 (*i)->set_name ("IOSelectorPortList");
 769                 (*i)->queue_draw ();
 770         }
 771
 772         selector_box.show_all ();
 773 }
 774
 775 void
 776 IOSelector::redisplay ()
 777 {
 778         display_ports ();
 779
 780         if (for_input) {
 781                 if (io->input_maximum().get(io->default_type()) != 0) {
 782                         rescan ();
 783                 }
 784         } else {
 785                 if (io->output_maximum().get(io->default_type()) != 0) {
 786                         rescan();
 787                 }
 788         }
 789 }
 790
 791 PortInsertUI::PortInsertUI (Session& sess, boost::shared_ptr<PortInsert> pi)
 792         : input_selector (sess, pi->io(), true),
 793           output_selector (sess, pi->io(), false)
 794 {
 795         hbox.pack_start (output_selector, true, true);
 796         hbox.pack_start (input_selector, true, true);
 797
 798
 799         pack_start (hbox);
 800 }
 801
 802 void
 803 PortInsertUI::redisplay()
 804 {
 805
 806         input_selector.redisplay();
 807         output_selector.redisplay();
 808 }
 809
 810 void
 811 PortInsertUI::finished(IOSelector::Result r)
 812 {
 813         input_selector.Finished (r);
 814         output_selector.Finished (r);
 815 }
 816
 817
 818 PortInsertWindow::PortInsertWindow (Session& sess, boost::shared_ptr<PortInsert> pi, bool can_cancel)
 819         : ArdourDialog ("port insert dialog"),
 820           _portinsertui (sess, pi),
 821           ok_button (can_cancel ? _("OK"): _("Close")),
 822           cancel_button (_("Cancel")),
 823           rescan_button (_("Rescan"))
 824 {
 825
 826         set_name ("IOSelectorWindow");
 827         string title = _("ardour: ");
 828         title += pi->name();
 829         set_title (title);
 830
 831         ok_button.set_name ("IOSelectorButton");
 832         cancel_button.set_name ("IOSelectorButton");
 833         rescan_button.set_name ("IOSelectorButton");
 834
 835         button_box.set_spacing (5);
 836         button_box.set_border_width (5);
 837         button_box.set_homogeneous (true);
 838         button_box.pack_start (rescan_button);
 839         if (can_cancel) {
 840                 button_box.pack_start (cancel_button);
 841         }
 842         else {
 843                 cancel_button.hide();
 844         }
 845         button_box.pack_start (ok_button);
 846
 847         get_vbox()->pack_start (_portinsertui);
 848         get_vbox()->pack_start (button_box, false, false);
 849
 850         ok_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::accept));
 851         cancel_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::cancel));
 852         rescan_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::rescan));
 853
 854         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window *> (this)));
 855
 856         going_away_connection = pi->GoingAway.connect (mem_fun(*this, &PortInsertWindow::plugin_going_away));
 857 }
 858
 859 void
 860 PortInsertWindow::plugin_going_away ()
 861 {
 862         ENSURE_GUI_THREAD(mem_fun(*this, &PortInsertWindow::plugin_going_away));
 863         going_away_connection.disconnect ();
 864         delete_when_idle (this);
 865 }
 866
 867 void
 868 PortInsertWindow::on_map ()
 869 {
 870         _portinsertui.redisplay ();
 871         Window::on_map ();
 872 }
 873
 874
 875 void
 876 PortInsertWindow::rescan ()
 877 {
 878         _portinsertui.redisplay();
 879 }
 880
 881 void
 882 PortInsertWindow::cancel ()
 883 {
 884         _portinsertui.finished(IOSelector::Cancelled);
 885         hide ();
 886 }
 887
 888 void
 889 PortInsertWindow::accept ()
 890 {
 891         _portinsertui.finished(IOSelector::Accepted);
 892         hide ();
 893 }