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