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     $Id$
  19 */
  20
  21 #include <map>
  22 #include <vector>
  23
  24 #include <pbd/lockmonitor.h>
  25
  26 #include <ardour/io.h>
  27 #include <ardour/route.h>
  28 #include <ardour/audioengine.h>
  29 #include <ardour/port.h>
  30 #include <ardour/insert.h>
  31 #include <ardour/session.h>
  32 #include <ardour/diskstream.h>
  33
  34 #include <gtkmm2ext/doi.h>
  35 #include <gtkmm2ext/gtk_ui.h>
  36
  37 #include "utils.h"
  38 #include "ardour_message.h"
  39 #include "io_selector.h"
  40 #include "keyboard.h"
  41 #include "gui_thread.h"
  42
  43 #include "i18n.h"
  44
  45 using namespace std;
  46 using namespace Gtk;
  47 using namespace Glib;
  48 using namespace sigc;
  49 using namespace ARDOUR;
  50
  51 IOSelectorWindow::IOSelectorWindow (Session& sess, IO& ior, bool input, bool can_cancel)
  52         : ArdourDialog ("i/o selector"),
  53           _selector (sess, ior, input),
  54           ok_button (can_cancel ? _("OK"): _("Close")),
  55           cancel_button (_("Cancel")),
  56           rescan_button (_("Rescan"))
  57
  58 {
  59         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
  60         set_name ("IOSelectorWindow");
  61
  62         string title;
  63         if (input) {
  64                 title = string_compose(_("%1 input"), ior.name());
  65         } else {
  66                 title = string_compose(_("%1 output"), ior.name());
  67         }
  68
  69         ok_button.set_name ("IOSelectorButton");
  70         cancel_button.set_name ("IOSelectorButton");
  71         rescan_button.set_name ("IOSelectorButton");
  72
  73         button_box.set_spacing (5);
  74         button_box.set_border_width (5);
  75         button_box.set_homogeneous (true);
  76         button_box.pack_start (rescan_button);
  77
  78         if (can_cancel) {
  79                 button_box.pack_start (cancel_button);
  80         } else {
  81                 cancel_button.hide();
  82         }
  83
  84         button_box.pack_start (ok_button);
  85
  86         get_vbox()->pack_start (_selector);
  87         get_vbox()->pack_start (button_box, false, false);
  88
  89         ok_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::accept));
  90         cancel_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::cancel));
  91         rescan_button.signal_clicked().connect (mem_fun(*this, &IOSelectorWindow::rescan));
  92
  93         set_title (title);
  94         set_position (WIN_POS_MOUSE);
  95
  96         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window *> (this)));
  97 }
  98
  99 IOSelectorWindow::~IOSelectorWindow()
 100 {
 101 }
 102
 103 void
 104 IOSelectorWindow::rescan ()
 105 {
 106         _selector.redisplay ();
 107 }
 108
 109 void
 110 IOSelectorWindow::cancel ()
 111 {
 112         _selector.Finished(IOSelector::Cancelled);
 113         hide ();
 114 }
 115
 116 void
 117 IOSelectorWindow::accept ()
 118 {
 119         _selector.Finished(IOSelector::Accepted);
 120         hide ();
 121 }
 122
 123 void
 124 IOSelectorWindow::on_map ()
 125 {
 126         _selector.redisplay ();
 127         Window::on_map ();
 128 }
 129
 130 /*************************
 131   The IO Selector "widget"
 132  *************************/
 133
 134 IOSelector::IOSelector (Session& sess, IO& ior, bool input)
 135         : session (sess),
 136           io (ior),
 137           for_input (input),
 138           port_frame (for_input? _("Inputs") : _("Outputs")),
 139           add_port_button (for_input? _("Add Input") : _("Add Output")),
 140           remove_port_button (for_input? _("Remove Input") : _("Remove Output")),
 141           clear_connections_button (_("Disconnect All"))
 142 {
 143         selected_port = 0;
 144
 145         notebook.set_name ("IOSelectorNotebook");
 146         notebook.set_size_request (-1, 125);
 147
 148         clear_connections_button.set_name ("IOSelectorButton");
 149         add_port_button.set_name ("IOSelectorButton");
 150         remove_port_button.set_name ("IOSelectorButton");
 151
 152         selector_frame.set_name ("IOSelectorFrame");
 153         port_frame.set_name ("IOSelectorFrame");
 154
 155         selector_frame.set_label (_("Available connections"));
 156
 157         selector_button_box.set_spacing (5);
 158         selector_button_box.set_border_width (5);
 159
 160         selector_box.set_spacing (5);
 161         selector_box.set_border_width (5);
 162         selector_box.pack_start (notebook);
 163         selector_box.pack_start (selector_button_box, false, false);
 164
 165         selector_frame.add (selector_box);
 166
 167         port_box.set_spacing (5);
 168         port_box.set_border_width (5);
 169
 170         port_display_scroller.set_name ("IOSelectorNotebook");
 171         port_display_scroller.set_border_width (0);
 172         port_display_scroller.set_size_request (-1, 170);
 173         port_display_scroller.add (port_box);
 174         port_display_scroller.set_policy (POLICY_NEVER,
 175                                           POLICY_AUTOMATIC);
 176
 177         port_button_box.set_spacing (5);
 178         port_button_box.set_border_width (5);
 179
 180         port_button_box.pack_start (add_port_button, false, false);
 181
 182         if (for_input) {
 183                 if (io.input_maximum() < 0 || io.input_maximum() > (int) io.n_inputs()) {
 184                         add_port_button.set_sensitive (true);
 185                 } else {
 186                         add_port_button.set_sensitive (false);
 187                 }
 188
 189         } else {
 190                 if (io.output_maximum() < 0 || io.output_maximum() > (int) io.n_outputs()) {
 191                         add_port_button.set_sensitive (true);
 192                 } else {
 193                         add_port_button.set_sensitive (false);
 194                 }
 195
 196         }
 197
 198         port_button_box.pack_start (remove_port_button, false, false);
 199
 200         if (for_input) {
 201                 if (io.input_minimum() < 0 || io.input_minimum() < (int) io.n_inputs()) {
 202                         remove_port_button.set_sensitive (true);
 203                 } else {
 204                         remove_port_button.set_sensitive (false);
 205                 }
 206
 207         } else {
 208                 if (io.output_minimum() < 0 || io.output_minimum() < (int) io.n_outputs()) {
 209                         remove_port_button.set_sensitive (true);
 210                 } else {
 211                         remove_port_button.set_sensitive (false);
 212                 }
 213         }
 214
 215         port_button_box.pack_start (clear_connections_button, false, false);
 216
 217         port_and_button_box.set_border_width (5);
 218         port_and_button_box.pack_start (port_button_box, false, false);
 219         port_and_button_box.pack_start (port_display_scroller);
 220
 221         port_frame.add (port_and_button_box);
 222
 223         port_and_selector_box.set_spacing (5);
 224         port_and_selector_box.pack_start (port_frame);
 225         port_and_selector_box.pack_start (selector_frame);
 226
 227         set_spacing (5);
 228         set_border_width (5);
 229         pack_start (port_and_selector_box);
 230
 231         rescan();
 232         display_ports ();
 233
 234         clear_connections_button.signal_clicked().connect (mem_fun(*this, &IOSelector::clear_connections));
 235
 236         add_port_button.signal_clicked().connect (mem_fun(*this, &IOSelector::add_port));
 237         remove_port_button.signal_clicked().connect (mem_fun(*this, &IOSelector::remove_port));
 238
 239         if (for_input) {
 240                 io.input_changed.connect (mem_fun(*this, &IOSelector::ports_changed));
 241         } else {
 242                 io.output_changed.connect (mem_fun(*this, &IOSelector::ports_changed));
 243         }
 244
 245         io.name_changed.connect (mem_fun(*this, &IOSelector::name_changed));
 246 }
 247
 248 IOSelector::~IOSelector ()
 249 {
 250 }
 251
 252 void
 253 IOSelector::name_changed (void* src)
 254 {
 255         ENSURE_GUI_THREAD(bind (mem_fun(*this, &IOSelector::name_changed), src));
 256
 257         display_ports ();
 258 }
 259
 260 void
 261 IOSelector::clear_connections ()
 262 {
 263         if (for_input) {
 264                 io.disconnect_inputs (this);
 265         } else {
 266                 io.disconnect_outputs (this);
 267         }
 268 }
 269
 270 void
 271 IOSelector::rescan ()
 272 {
 273         using namespace Notebook_Helpers;
 274
 275         typedef std::map<string,vector<pair<string,string> > > PortMap;
 276         PortMap portmap;
 277         const char **ports;
 278         PageList& pages = notebook.pages();
 279         gint current_page;
 280         vector<string> rowdata;
 281
 282         current_page = notebook.get_current_page ();
 283         pages.clear ();
 284
 285         /* get relevant current JACK ports */
 286
 287         ports = session.engine().get_ports ("", JACK_DEFAULT_AUDIO_TYPE, for_input ? JackPortIsOutput : JackPortIsInput);
 288
 289         if (ports == 0) {
 290                 return;
 291         }
 292
 293         /* find all the client names and group their ports into a list-by-client */
 294
 295         for (int n = 0; ports[n]; ++n) {
 296
 297                 pair<string,vector<pair<string,string> > > newpair;
 298                 pair<string,string> strpair;
 299                 pair<PortMap::iterator,bool> result;
 300
 301                 string str = ports[n];
 302                 string::size_type pos;
 303                 string portname;
 304
 305                 pos = str.find (':');
 306
 307                 newpair.first = str.substr (0, pos);
 308                 portname = str.substr (pos+1);
 309
 310                 result = portmap.insert (newpair);
 311
 312                 strpair.first = portname;
 313                 strpair.second = str;
 314
 315                 result.first->second.push_back (strpair);
 316         }
 317
 318         PortMap::iterator i;
 319
 320         for (i = portmap.begin(); i != portmap.end(); ++i) {
 321
 322                 Box *client_box = manage (new VBox);
 323                 TreeView *display = manage (new TreeView);
 324                 RefPtr<ListStore> model = ListStore::create (port_display_columns);
 325                 ScrolledWindow *scroller = manage (new ScrolledWindow);
 326
 327                 display->set_model (model);
 328                 display->append_column (X_("notvisible"), port_display_columns.displayed_name);
 329                 display->set_headers_visible (false);
 330                 display->get_selection()->set_mode (SELECTION_SINGLE);
 331                 display->set_name ("IOSelectorList");
 332
 333                 for (vector<pair<string,string> >::iterator s = i->second.begin(); s != i->second.end(); ++s) {
 334
 335                         TreeModel::Row row = *(model->append ());
 336
 337                         row[port_display_columns.displayed_name] = s->first;
 338                         row[port_display_columns.full_name] = s->second;
 339                 }
 340
 341                 display->get_selection()->signal_changed().connect
 342                         (bind (mem_fun(*this, &IOSelector::port_selection_changed), display));
 343
 344                 Label *tab_label = manage (new Label);
 345
 346                 tab_label->set_name ("IOSelectorNotebookTab");
 347                 tab_label->set_text ((*i).first);
 348
 349                 scroller->add (*display);
 350                 scroller->set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 351
 352                 client_box->pack_start (*scroller);
 353
 354                 pages.push_back (TabElem (*client_box, *tab_label));
 355         }
 356
 357         notebook.set_current_page (current_page);
 358         notebook.signal_show().connect (bind (mem_fun (notebook, &Notebook::set_current_page), current_page));
 359         selector_box.show_all ();
 360 }
 361
 362 void
 363 IOSelector::display_ports ()
 364 {
 365         TreeView *firsttview = 0;
 366         TreeView *selected_port_tview = 0;
 367
 368         {
 369                 LockMonitor lm (port_display_lock, __LINE__, __FILE__);
 370                 Port *port;
 371                 uint32_t limit;
 372
 373                 if (for_input) {
 374                         limit = io.n_inputs();
 375                 } else {
 376                         limit = io.n_outputs();
 377                 }
 378
 379                 for (slist<TreeView *>::iterator i = port_displays.begin(); i != port_displays.end(); ) {
 380
 381                         slist<TreeView *>::iterator tmp;
 382
 383                         tmp = i;
 384                         ++tmp;
 385
 386                         port_box.remove (**i);
 387                         delete *i;
 388                         port_displays.erase (i);
 389
 390                         i = tmp;
 391                 }
 392
 393
 394                 for (uint32_t n = 0; n < limit; ++n) {
 395
 396                         TreeView* tview;
 397                         //ScrolledWindow *scroller;
 398                         string really_short_name;
 399
 400                         if (for_input) {
 401                                 port = io.input (n);
 402                         } else {
 403                                 port = io.output (n);
 404                         }
 405
 406                         /* we know there is '/' because we put it there */
 407
 408                         really_short_name = port->short_name();
 409                         really_short_name = really_short_name.substr (really_short_name.find ('/') + 1);
 410
 411                         tview = manage (new TreeView());
 412                         RefPtr<ListStore> port_model = ListStore::create (port_display_columns);
 413
 414                         if (!firsttview) {
 415                                 firsttview = tview;
 416                         }
 417
 418                         tview->set_model (port_model);
 419                         tview->append_column (really_short_name, port_display_columns.displayed_name);
 420                         tview->get_selection()->set_mode (SELECTION_SINGLE);
 421                         tview->set_data ("port", port);
 422                         tview->set_headers_visible (true);
 423                         tview->set_name ("IOSelectorPortList");
 424
 425                         port_box.pack_start (*tview);
 426                         //scroller = manage (new ScrolledWindow);
 427
 428                         //scroller->add (*tview);
 429                         //scroller->set_policy (POLICY_NEVER, POLICY_NEVER);
 430
 431                         port_displays.insert (port_displays.end(), tview);
 432                         //port_box.pack_start (*scroller);
 433
 434                         //scroller->set_size_request (-1, 75);
 435
 436                         /* now fill the clist with the current connections */
 437
 438
 439                         const char **connections = port->get_connections ();
 440
 441                         if (connections) {
 442                                 for (uint32_t c = 0; connections[c]; ++c) {
 443                                         TreeModel::Row row = *(port_model->append());
 444                                         row[port_display_columns.displayed_name] = connections[c];
 445                                         row[port_display_columns.full_name] = connections[c];
 446                                 }
 447                         }
 448
 449                         if (for_input) {
 450
 451                                 if (io.input_maximum() == 1) {
 452                                         selected_port = port;
 453                                         selected_port_tview = tview;
 454                                 } else {
 455                                         if (port == selected_port) {
 456                                                 selected_port_tview = tview;
 457                                         }
 458                                 }
 459
 460                         } else {
 461
 462                                 if (io.output_maximum() == 1) {
 463                                         selected_port = port;
 464                                         selected_port_tview = tview;
 465                                 } else {
 466                                         if (port == selected_port) {
 467                                                 selected_port_tview = tview;
 468                                         }
 469                                 }
 470                         }
 471
 472                         TreeViewColumn* col = tview->get_column (0);
 473
 474                         col->set_clickable (true);
 475                         //col->set_widget(0);
 476                         /* handle button events on the column header and within the treeview itself */
 477
 478                         //col->get_widget()->signal_button_release_event().connect (bind (mem_fun(*this, &IOSelector::port_column_button_release), tview));
 479                         tview->signal_button_release_event().connect (bind (mem_fun(*this, &IOSelector::connection_button_release), tview));
 480                 }
 481
 482                 port_box.show_all ();
 483
 484                 if (selected_port_tview) {
 485                         // GTK2FIX
 486                         // selected_port_tview->click_column(0);
 487                         selected_port_tview->set_name ("IOSelectorPortListSelected");
 488                         for (slist<TreeView *>::iterator i = port_displays.begin(); i != port_displays.end(); ++i) {
 489                                 if (*i != selected_port_tview) {
 490                                         (*i)->set_name ("IOSelectorPortList");
 491                                         (*i)->queue_draw ();
 492                                 }
 493                         }
 494                 } else {
 495                         selected_port = 0;
 496                         selector_box.hide_all ();
 497                 }
 498         }
 499
 500         if (selected_port_tview) {
 501                 select_treeview (selected_port_tview);
 502         } else if (firsttview) {
 503                 // select first
 504                 select_treeview (firsttview);
 505         }
 506 }
 507
 508 void
 509 IOSelector::port_selection_changed (TreeView* treeview)
 510 {
 511         TreeModel::iterator i = treeview->get_selection()->get_selected();
 512         int status;
 513
 514         if (!i) {
 515                 return;
 516         }
 517
 518         if (selected_port == 0) {
 519                 return;
 520         }
 521
 522         ustring other_port_name = (*i)[port_display_columns.full_name];
 523
 524         if (for_input) {
 525                 if ((status = io.connect_input (selected_port, other_port_name, this)) == 0) {
 526                         Port *p = session.engine().get_port_by_name (other_port_name);
 527                         p->enable_metering();
 528                 }
 529         } else {
 530                 status = io.connect_output (selected_port, other_port_name, this);
 531         }
 532
 533         if (status == 0) {
 534                 select_next_treeview ();
 535         }
 536 }
 537
 538 void
 539 IOSelector::ports_changed (IOChange change, void *src)
 540 {
 541         ENSURE_GUI_THREAD(bind (mem_fun(*this, &IOSelector::ports_changed), change, src));
 542
 543         display_ports ();
 544 }
 545
 546 void
 547 IOSelector::add_port ()
 548 {
 549         /* add a new port, then hide the button if we're up to the maximum allowed */
 550
 551         if (for_input) {
 552
 553                 try {
 554                         io.add_input_port ("", this);
 555                 }
 556
 557                 catch (AudioEngine::PortRegistrationFailure& err) {
 558                         ArdourMessage msg (0,  X_("noport dialog"), _("There are no more JACK ports available."));
 559                 }
 560
 561                 if (io.input_maximum() >= 0 && io.input_maximum() <= (int) io.n_inputs()) {
 562                         add_port_button.set_sensitive (false);
 563                 }
 564
 565                 if (io.input_minimum() < (int) io.n_inputs()) {
 566                         remove_port_button.set_sensitive (true);
 567                 }
 568
 569         } else {
 570
 571                 try {
 572                         io.add_output_port ("", this);
 573                 }
 574
 575                 catch (AudioEngine::PortRegistrationFailure& err) {
 576                         ArdourMessage msg (0, X_("noport dialog"),
 577                                            _("There are no more JACK ports available."));
 578                 }
 579
 580                 if (io.output_maximum() >= 0 && io.output_maximum() <= (int) io.n_outputs()) {
 581                         add_port_button.set_sensitive (false);
 582                 }
 583         }
 584 }
 585
 586 void
 587 IOSelector::remove_port ()
 588 {
 589         uint32_t nports;
 590
 591         // always remove last port
 592
 593         if (for_input) {
 594                 if ((nports = io.n_inputs()) > 0) {
 595                         io.remove_input_port (io.input(nports-1), this);
 596                 }
 597                 if (io.input_minimum() == (int) io.n_inputs()) {
 598                         remove_port_button.set_sensitive (false);
 599                 }
 600         } else {
 601                 if ((nports = io.n_outputs()) > 0) {
 602                         io.remove_output_port (io.output(nports-1), this);
 603                 }
 604         }
 605 }
 606
 607 gint
 608 IOSelector::remove_port_when_idle (Port *port)
 609 {
 610         if (for_input) {
 611                 io.remove_input_port (port, this);
 612         } else {
 613                 io.remove_output_port (port, this);
 614         }
 615
 616         return FALSE;
 617 }
 618
 619 gint
 620 IOSelector::connection_button_release (GdkEventButton *ev, TreeView *treeview)
 621 {
 622         /* this handles button release on a port name row: i.e. a connection
 623            between the named port and the port represented by the treeview.
 624         */
 625
 626         Gtk::TreeModel::iterator iter;
 627         TreeModel::Path path;
 628         TreeViewColumn* column;
 629         int cellx;
 630         int celly;
 631
 632         /* only handle button1 events here */
 633
 634         if (ev->button != 1) {
 635                 return false;
 636         }
 637
 638         if (!(Keyboard::is_delete_event (ev))) {
 639                 //return false;
 640         }
 641
 642         if (!treeview->get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 643                 return false;
 644         }
 645         cerr << "path = " << path.to_string() << endl;
 646
 647         if ((iter = treeview->get_model()->get_iter (path.to_string()))) {
 648
 649                 /* path is valid */
 650                 ustring connected_port_name = (*iter)[port_display_columns.full_name];
 651                 cerr << "selected row displayed_name: " << (*iter)[port_display_columns.displayed_name] << endl;
 652                 cerr << "selected row string was " << connected_port_name << endl;
 653                 Port *port = reinterpret_cast<Port *> (treeview->get_data (_("port")));
 654
 655                 if (for_input) {
 656                         Port *p = session.engine().get_port_by_name (connected_port_name);
 657                         p->disable_metering();
 658                         io.disconnect_input (port, connected_port_name, this);
 659                 } else {
 660                         io.disconnect_output (port, connected_port_name, this);
 661                 }
 662         }
 663
 664         return true;
 665 }
 666
 667 int
 668 IOSelector::port_column_button_release (GdkEventButton* event, TreeView* treeview)
 669 {
 670         /* this handles button release on the button at the top of a single-column
 671            treeview (representing a port)
 672         */
 673         cerr << "IOSelector::port_column_button_release() called" << endl;
 674
 675         if (Keyboard::is_delete_event (event)) {
 676                 Port* port;
 677                 {
 678                         LockMonitor lm (port_display_lock, __LINE__, __FILE__);
 679
 680                         port = static_cast<Port *> (treeview->get_data (_("port")));
 681
 682                         if (port == selected_port) {
 683                                 selected_port = 0;
 684                                 treeview->set_name ("IOSelectorPortList");
 685                                 treeview->queue_draw();
 686                         }
 687                 }
 688
 689                 /* remove the port when idle - if we do it here, we will destroy the widget
 690                    for whom we are handling an event. not good.
 691                 */
 692
 693                 signal_idle().connect (bind (mem_fun(*this, &IOSelector::remove_port_when_idle), port));
 694
 695         } else {
 696                 select_treeview (treeview);
 697         }
 698
 699         return TRUE;
 700 }
 701
 702 void
 703 IOSelector::select_next_treeview ()
 704 {
 705         slist<TreeView*>::iterator next;
 706
 707         for (slist<TreeView *>::iterator i = port_displays.begin(); i != port_displays.end(); ++i) {
 708
 709                 if ((*i)->get_name() == "IOSelectorPortListSelected") {
 710
 711                         ++i;
 712
 713                         if (i == port_displays.end()) {
 714                                 select_treeview (port_displays.front());
 715                         } else {
 716                                 select_treeview (*i);
 717                         }
 718
 719                         break;
 720                 }
 721         }
 722 }
 723
 724 void
 725 IOSelector::select_treeview (TreeView* tview)
 726 {
 727         /* Gack. TreeView's don't respond visually to a change
 728            in their state, so rename them to force a style
 729            switch.
 730         */
 731
 732         LockMonitor lm (port_display_lock, __LINE__, __FILE__);
 733         Port* port = reinterpret_cast<Port *> (tview->get_data (_("port")));
 734
 735         if (port != selected_port) {
 736                 selected_port = port;
 737
 738                 tview->set_name ("IOSelectorPortListSelected");
 739
 740                 for (slist<TreeView*>::iterator i = port_displays.begin(); i != port_displays.end(); ++i) {
 741                         if (*i != tview) {
 742                                 (*i)->set_name ("IOSelectorPortList");
 743                                 (*i)->queue_draw ();
 744                         }
 745                 }
 746                 selector_box.show_all ();
 747         }
 748 }
 749
 750 void
 751 IOSelector::redisplay ()
 752 {
 753         display_ports ();
 754
 755         if (for_input) {
 756                 if (io.input_maximum() != 0) {
 757                         rescan ();
 758                 }
 759         } else {
 760                 if (io.output_maximum() != 0) {
 761                         rescan();
 762                 }
 763         }
 764 }
 765
 766 PortInsertUI::PortInsertUI (Session& sess, PortInsert& pi)
 767         : input_selector (sess, pi, true),
 768           output_selector (sess, pi, false)
 769 {
 770         hbox.pack_start (output_selector, true, true);
 771         hbox.pack_start (input_selector, true, true);
 772
 773
 774         pack_start (hbox);
 775 }
 776
 777 void
 778 PortInsertUI::redisplay()
 779 {
 780
 781         input_selector.redisplay();
 782         output_selector.redisplay();
 783 }
 784
 785 void
 786 PortInsertUI::finished(IOSelector::Result r)
 787 {
 788         input_selector.Finished (r);
 789         output_selector.Finished (r);
 790 }
 791
 792
 793 PortInsertWindow::PortInsertWindow (Session& sess, PortInsert& pi, bool can_cancel)
 794         : ArdourDialog ("port insert dialog"),
 795           _portinsertui(sess, pi),
 796           ok_button (can_cancel ? _("OK"): _("Close")),
 797           cancel_button (_("Cancel")),
 798           rescan_button (_("Rescan"))
 799 {
 800
 801         set_name ("IOSelectorWindow");
 802         string title = _("ardour: ");
 803         title += pi.name();
 804         set_title (title);
 805
 806         ok_button.set_name ("IOSelectorButton");
 807         cancel_button.set_name ("IOSelectorButton");
 808         rescan_button.set_name ("IOSelectorButton");
 809
 810         button_box.set_spacing (5);
 811         button_box.set_border_width (5);
 812         button_box.set_homogeneous (true);
 813         button_box.pack_start (rescan_button);
 814         if (can_cancel) {
 815                 button_box.pack_start (cancel_button);
 816         }
 817         else {
 818                 cancel_button.hide();
 819         }
 820         button_box.pack_start (ok_button);
 821
 822         vbox.pack_start (_portinsertui);
 823         vbox.pack_start (button_box, false, false);
 824
 825         add (vbox);
 826
 827         ok_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::accept));
 828         cancel_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::cancel));
 829         rescan_button.signal_clicked().connect (mem_fun(*this, &PortInsertWindow::rescan));
 830
 831         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window *> (this)));
 832         pi.GoingAway.connect (mem_fun(*this, &PortInsertWindow::plugin_going_away));
 833 }
 834
 835 void
 836 PortInsertWindow::plugin_going_away (ARDOUR::Redirect* ignored)
 837 {
 838         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PortInsertWindow::plugin_going_away), ignored));
 839
 840         delete_when_idle (this);
 841 }
 842
 843 void
 844 PortInsertWindow::on_map ()
 845 {
 846         _portinsertui.redisplay ();
 847         Window::on_map ();
 848 }
 849
 850
 851 void
 852 PortInsertWindow::rescan ()
 853 {
 854         _portinsertui.redisplay();
 855 }
 856
 857 void
 858 PortInsertWindow::cancel ()
 859 {
 860         _portinsertui.finished(IOSelector::Cancelled);
 861         hide ();
 862 }
 863
 864 void
 865 PortInsertWindow::accept ()
 866 {
 867         _portinsertui.finished(IOSelector::Accepted);
 868         hide ();
 869 }