gtk2_ardour/processor_box.cc

   1 /*
   2     Copyright (C) 2000-2004 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 <cmath>
  21 #include <iostream>
  22 #include <set>
  23
  24 #include <sigc++/bind.h>
  25
  26 #include <pbd/convert.h>
  27
  28 #include <glibmm/miscutils.h>
  29
  30 #include <gtkmm/messagedialog.h>
  31
  32 #include <gtkmm2ext/gtk_ui.h>
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/choice.h>
  35 #include <gtkmm2ext/utils.h>
  36 #include <gtkmm2ext/stop_signal.h>
  37 #include <gtkmm2ext/doi.h>
  38 #include <gtkmm2ext/window_title.h>
  39
  40 #include <ardour/ardour.h>
  41 #include <ardour/session.h>
  42 #include <ardour/audioengine.h>
  43 #include <ardour/route.h>
  44 #include <ardour/audio_track.h>
  45 #include <ardour/audio_diskstream.h>
  46 #include <ardour/send.h>
  47 #include <ardour/plugin_insert.h>
  48 #include <ardour/port_insert.h>
  49 #include <ardour/ladspa_plugin.h>
  50 #include <ardour/profile.h>
  51
  52 #include "ardour_ui.h"
  53 #include "ardour_dialog.h"
  54 #include "public_editor.h"
  55 #include "processor_box.h"
  56 #include "keyboard.h"
  57 #include "plugin_selector.h"
  58 #include "route_processor_selection.h"
  59 #include "mixer_ui.h"
  60 #include "actions.h"
  61 #include "plugin_ui.h"
  62 #include "io_selector.h"
  63 #include "utils.h"
  64 #include "gui_thread.h"
  65
  66 #include "i18n.h"
  67
  68 #ifdef HAVE_AUDIOUNITS
  69 class AUPluginUI;
  70 #endif
  71
  72 using namespace sigc;
  73 using namespace ARDOUR;
  74 using namespace PBD;
  75 using namespace Gtk;
  76 using namespace Glib;
  77 using namespace Gtkmm2ext;
  78
  79 ProcessorBox* ProcessorBox::_current_processor_box = 0;
  80 RefPtr<Action> ProcessorBox::paste_action;
  81 bool ProcessorBox::get_colors = true;
  82 Gdk::Color* ProcessorBox::active_processor_color;
  83 Gdk::Color* ProcessorBox::inactive_processor_color;
  84
  85 ProcessorBox::ProcessorBox (Placement pcmnt, Session& sess, PluginSelector &plugsel,
  86                             RouteRedirectSelection & rsel, bool owner_is_mixer)
  87         : _session(sess),
  88           _owner_is_mixer (owner_is_mixer),
  89           _placement(pcmnt),
  90           _plugin_selector(plugsel),
  91           _rr_selection(rsel)
  92 {
  93         if (get_colors) {
  94                 active_processor_color = new Gdk::Color;
  95                 inactive_processor_color = new Gdk::Color;
  96                 set_color (*active_processor_color, rgba_from_style ("ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_ACTIVE, false ));
  97                 set_color (*inactive_processor_color, rgba_from_style ("ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
  98                 get_colors = false;
  99         }
 100
 101         _width = Wide;
 102         processor_menu = 0;
 103         send_action_menu = 0;
 104         processor_drag_in_progress = false;
 105         no_processor_redisplay = false;
 106         ignore_delete = false;
 107
 108         model = ListStore::create(columns);
 109
 110         RefPtr<TreeSelection> selection = processor_display.get_selection();
 111         selection->set_mode (Gtk::SELECTION_MULTIPLE);
 112         selection->signal_changed().connect (mem_fun (*this, &ProcessorBox::selection_changed));
 113
 114         processor_display.set_model (model);
 115         processor_display.append_column (X_("notshown"), columns.text);
 116         processor_display.set_name ("ProcessorSelector");
 117         processor_display.set_headers_visible (false);
 118         processor_display.set_reorderable (true);
 119         processor_display.set_size_request (-1, 40);
 120         processor_display.get_column(0)->set_sizing(TREE_VIEW_COLUMN_FIXED);
 121         processor_display.get_column(0)->set_fixed_width(48);
 122         processor_display.add_object_drag (columns.processor.index(), "processors");
 123         processor_display.signal_drop.connect (mem_fun (*this, &ProcessorBox::object_drop));
 124
 125         TreeViewColumn* name_col = processor_display.get_column(0);
 126         CellRendererText* renderer = dynamic_cast<CellRendererText*>(processor_display.get_column_cell_renderer (0));
 127         name_col->add_attribute(renderer->property_foreground_gdk(), columns.color);
 128
 129         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 130
 131         model->signal_row_deleted().connect (mem_fun (*this, &ProcessorBox::row_deleted));
 132
 133         processor_scroller.add (processor_display);
 134         processor_eventbox.add (processor_scroller);
 135
 136         processor_scroller.set_size_request (-1, 40);
 137
 138         pack_start (processor_eventbox, true, true);
 139
 140         processor_eventbox.signal_enter_notify_event().connect (bind (sigc::ptr_fun (ProcessorBox::enter_box), this));
 141
 142         processor_display.signal_button_press_event().connect (mem_fun(*this, &ProcessorBox::processor_button_press_event), false);
 143         processor_display.signal_button_release_event().connect (mem_fun(*this, &ProcessorBox::processor_button_release_event));
 144 }
 145
 146 ProcessorBox::~ProcessorBox ()
 147 {
 148 }
 149
 150 void
 151 ProcessorBox::set_route (boost::shared_ptr<Route> r)
 152 {
 153         connections.clear ();
 154
 155         _route = r;
 156
 157         connections.push_back (_route->processors_changed.connect (mem_fun(*this, &ProcessorBox::redisplay_processors)));
 158         connections.push_back (_route->GoingAway.connect (mem_fun (*this, &ProcessorBox::route_going_away)));
 159
 160         redisplay_processors ();
 161 }
 162
 163 void
 164 ProcessorBox::route_going_away ()
 165 {
 166         /* don't keep updating display as processors are deleted */
 167         no_processor_redisplay = true;
 168 }
 169
 170
 171 void
 172 ProcessorBox::object_drop (const list<boost::shared_ptr<Processor> >& procs)
 173 {
 174         paste_processor_list (procs);
 175 }
 176
 177 void
 178 ProcessorBox::update()
 179 {
 180         redisplay_processors ();
 181 }
 182
 183
 184 void
 185 ProcessorBox::set_width (Width w)
 186 {
 187         if (_width == w) {
 188                 return;
 189         }
 190         _width = w;
 191
 192         redisplay_processors ();
 193 }
 194
 195 void
 196 ProcessorBox::remove_processor_gui (boost::shared_ptr<Processor> processor)
 197 {
 198         boost::shared_ptr<Send> send;
 199         boost::shared_ptr<PortInsert> port_insert;
 200
 201         if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
 202
 203                 PortInsertUI *io_selector = reinterpret_cast<PortInsertUI *> (port_insert->get_gui());
 204                 port_insert->set_gui (0);
 205                 delete io_selector;
 206
 207         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
 208                 SendUIWindow *sui = reinterpret_cast<SendUIWindow*> (send->get_gui());
 209                 send->set_gui (0);
 210                 delete sui;
 211         }
 212 }
 213
 214 void
 215 ProcessorBox::build_send_action_menu ()
 216
 217 {
 218         using namespace Menu_Helpers;
 219
 220         send_action_menu = new Menu;
 221         send_action_menu->set_name ("ArdourContextMenu");
 222         MenuList& items = send_action_menu->items();
 223
 224         items.push_back (MenuElem (_("New send"), mem_fun(*this, &ProcessorBox::new_send)));
 225         items.push_back (MenuElem (_("Show send controls"), mem_fun(*this, &ProcessorBox::show_send_controls)));
 226 }
 227
 228 void
 229 ProcessorBox::show_send_controls ()
 230
 231 {
 232 }
 233
 234 void
 235 ProcessorBox::new_send ()
 236
 237 {
 238 }
 239
 240 void
 241 ProcessorBox::show_processor_menu (gint arg)
 242 {
 243         if (processor_menu == 0) {
 244                 processor_menu = build_processor_menu ();
 245         }
 246
 247         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/processormenu/newplugin"));
 248
 249         if (plugin_menu_item) {
 250                 plugin_menu_item->set_submenu (_plugin_selector.plugin_menu());
 251         }
 252
 253         paste_action->set_sensitive (!_rr_selection.processors.empty());
 254
 255         processor_menu->popup (1, arg);
 256 }
 257
 258 void
 259 ProcessorBox::processor_drag_begin (GdkDragContext *context)
 260 {
 261         processor_drag_in_progress = true;
 262 }
 263
 264 void
 265 ProcessorBox::processor_drag_end (GdkDragContext *context)
 266 {
 267         processor_drag_in_progress = false;
 268 }
 269
 270 bool
 271 ProcessorBox::processor_button_press_event (GdkEventButton *ev)
 272 {
 273         TreeIter iter;
 274         TreeModel::Path path;
 275         TreeViewColumn* column;
 276         int cellx;
 277         int celly;
 278         boost::shared_ptr<Processor> processor;
 279         int ret = false;
 280         bool selected = false;
 281
 282         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 283                 if ((iter = model->get_iter (path))) {
 284                         processor = (*iter)[columns.processor];
 285                         selected = processor_display.get_selection()->is_selected (iter);
 286                 }
 287
 288         }
 289
 290         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
 291
 292                 if (_session.engine().connected()) {
 293                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
 294                         edit_processor (processor);
 295                 }
 296                 ret = true;
 297
 298         } else if (processor && ev->button == 1 && selected) {
 299
 300                 // this is purely informational but necessary
 301                 ProcessorSelected (processor); // emit
 302
 303         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
 304
 305                 choose_plugin ();
 306                 _plugin_selector.show_manager ();
 307         }
 308
 309
 310         return ret;
 311 }
 312
 313 bool
 314 ProcessorBox::processor_button_release_event (GdkEventButton *ev)
 315 {
 316         TreeIter iter;
 317         TreeModel::Path path;
 318         TreeViewColumn* column;
 319         int cellx;
 320         int celly;
 321         boost::shared_ptr<Processor> processor;
 322         int ret = false;
 323
 324
 325         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 326                 if ((iter = model->get_iter (path))) {
 327                         processor = (*iter)[columns.processor];
 328                 }
 329         }
 330
 331         if (processor && Keyboard::is_delete_event (ev)) {
 332
 333                 Glib::signal_idle().connect (bind (mem_fun(*this, &ProcessorBox::idle_delete_processor), boost::weak_ptr<Processor>(processor)));
 334                 ret = true;
 335
 336         } else if (Keyboard::is_context_menu_event (ev)) {
 337
 338                 show_processor_menu(ev->time);
 339                 ret = true;
 340
 341         } else if (processor && Keyboard::is_button2_event (ev) && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))) {
 342
 343                 /* button2-click with no modifiers */
 344
 345                 processor->set_active (!processor->active());
 346                 ret = true;
 347
 348         }
 349
 350         return ret;
 351 }
 352
 353 Menu *
 354 ProcessorBox::build_processor_menu ()
 355 {
 356         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/processormenu") );
 357         processor_menu->set_name ("ArdourContextMenu");
 358
 359         show_all_children();
 360
 361         return processor_menu;
 362 }
 363
 364 void
 365 ProcessorBox::selection_changed ()
 366 {
 367         bool sensitive = (processor_display.get_selection()->count_selected_rows()) ? true : false;
 368         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, sensitive);
 369 }
 370
 371 void
 372 ProcessorBox::select_all_processors ()
 373 {
 374         processor_display.get_selection()->select_all();
 375 }
 376
 377 void
 378 ProcessorBox::deselect_all_processors ()
 379 {
 380         processor_display.get_selection()->unselect_all();
 381 }
 382
 383 void
 384 ProcessorBox::choose_plugin ()
 385 {
 386         _plugin_selector.set_interested_object (*this);
 387 }
 388
 389 void
 390 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 391 {
 392         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
 393
 394                 boost::shared_ptr<Processor> processor (new PluginInsert (_session, *p, _placement));
 395
 396                 Route::ProcessorStreams err_streams;
 397
 398                 if (Config->get_new_plugins_active()) {
 399                         processor->set_active (true);
 400                 }
 401
 402                 if (_route->add_processor (processor, &err_streams)) {
 403                         weird_plugin_dialog (**p, err_streams, _route);
 404                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
 405                 } else {
 406
 407                         if (Profile->get_sae()) {
 408                                 processor->set_active (true);
 409                         }
 410                         processor->ActiveChanged.connect (bind (mem_fun (*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor)));
 411                 }
 412         }
 413 }
 414
 415 void
 416 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams, boost::shared_ptr<IO> io)
 417 {
 418         ArdourDialog dialog (_("ardour: weird plugin dialog"));
 419         Label label;
 420
 421         /* i hate this kind of code */
 422
 423         if (streams.count > p.get_info()->n_inputs) {
 424                 label.set_text (string_compose (_(
 425 "You attempted to add a plugin (%1).\n"
 426 "The plugin has %2 inputs\n"
 427 "but at the processorion point, there are\n"
 428 "%3 active signal streams.\n"
 429 "\n"
 430 "This makes no sense - you are throwing away\n"
 431 "part of the signal."),
 432                                          p.name(),
 433                                          p.get_info()->n_inputs.n_total(),
 434                                          streams.count.n_total()));
 435         } else if (streams.count < p.get_info()->n_inputs) {
 436                 label.set_text (string_compose (_(
 437 "You attempted to add a plugin (%1).\n"
 438 "The plugin has %2 inputs\n"
 439 "but at the processorion point there are\n"
 440 "only %3 active signal streams.\n"
 441 "\n"
 442 "This makes no sense - unless the plugin supports\n"
 443 "side-chain inputs. A future version of Ardour will\n"
 444 "support this type of configuration."),
 445                                          p.name(),
 446                                          p.get_info()->n_inputs.n_total(),
 447                                          streams.count.n_total()));
 448         } else {
 449                 label.set_text (string_compose (_(
 450 "You attempted to add a plugin (%1).\n"
 451 "\n"
 452 "The I/O configuration doesn't make sense:\n"
 453 "\n"
 454 "The plugin has %2 inputs and %3 outputs.\n"
 455 "The track/bus has %4 inputs and %5 outputs.\n"
 456 "The processorion point, has %6 active signals.\n"
 457 "\n"
 458 "Ardour does not understand what to do in such situations.\n"),
 459                                          p.name(),
 460                                          p.get_info()->n_inputs.n_total(),
 461                                          p.get_info()->n_outputs.n_total(),
 462                                          io->n_inputs().n_total(),
 463                                          io->n_outputs().n_total(),
 464                                          streams.count.n_total()));
 465         }
 466
 467         dialog.get_vbox()->pack_start (label);
 468         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 469
 470         dialog.set_name (X_("PluginIODialog"));
 471         dialog.set_position (Gtk::WIN_POS_MOUSE);
 472         dialog.set_modal (true);
 473         dialog.show_all ();
 474
 475         dialog.run ();
 476 }
 477
 478 void
 479 ProcessorBox::choose_insert ()
 480 {
 481         boost::shared_ptr<Processor> processor (new PortInsert (_session, _placement));
 482         processor->ActiveChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor)));
 483         _route->add_processor (processor);
 484 }
 485
 486 void
 487 ProcessorBox::choose_send ()
 488 {
 489         boost::shared_ptr<Send> send (new Send (_session, _placement));
 490         //send->set_default_type(_route->default_type());
 491
 492         ChanCount outs;
 493
 494         /* make an educated guess at the initial number of outputs for the send */
 495
 496         if (_session.master_out()) {
 497                 outs = _session.master_out()->n_outputs();
 498         } else {
 499                 outs = _route->n_outputs();
 500         }
 501
 502         /* XXX need processor lock on route */
 503
 504         try {
 505                 send->io()->ensure_io (ChanCount::ZERO, outs, false, this);
 506         } catch (AudioEngine::PortRegistrationFailure& err) {
 507                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
 508                 return;
 509         }
 510
 511         /* let the user adjust the output setup (number and connections) before passing
 512            it along to the Route
 513         */
 514
 515         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->io(), false, true);
 516
 517         ios->show_all ();
 518
 519         /* bit of a hack; keep a shared_ptr to send around so that it doesn't get deleted while
 520            the IOSelectorWindow is doing its stuff */
 521         _send_being_created = send;
 522
 523         boost::shared_ptr<Processor> r = boost::static_pointer_cast<Processor>(send);
 524
 525         ios->selector().Finished.connect (bind (mem_fun(*this, &ProcessorBox::send_io_finished), boost::weak_ptr<Processor>(r), ios));
 526 }
 527
 528 void
 529 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
 530 {
 531         boost::shared_ptr<Processor> processor (weak_processor.lock());
 532
 533         /* now we can lose the dummy shared_ptr */
 534         _send_being_created.reset ();
 535
 536         if (!processor) {
 537                 return;
 538         }
 539
 540         switch (r) {
 541         case IOSelector::Cancelled:
 542                 // processor will go away when all shared_ptrs to it vanish
 543                 break;
 544
 545         case IOSelector::Accepted:
 546                 _route->add_processor (processor);
 547                 if (Profile->get_sae()) {
 548                         processor->set_active (true);
 549                 }
 550                 break;
 551         }
 552
 553         delete_when_idle (ios);
 554 }
 555
 556 void
 557 ProcessorBox::redisplay_processors ()
 558 {
 559         ENSURE_GUI_THREAD (mem_fun(*this, &ProcessorBox::redisplay_processors));
 560
 561         if (no_processor_redisplay) {
 562                 return;
 563         }
 564
 565         ignore_delete = true;
 566         model->clear ();
 567         ignore_delete = false;
 568
 569         processor_active_connections.clear ();
 570         processor_name_connections.clear ();
 571
 572         _route->foreach_processor (mem_fun (*this, &ProcessorBox::add_processor_to_display));
 573
 574         switch (_placement) {
 575         case PreFader:
 576                 build_processor_tooltip(processor_eventbox, _("Pre-fader inserts, sends & plugins:"));
 577                 break;
 578         case PostFader:
 579                 build_processor_tooltip(processor_eventbox, _("Post-fader inserts, sends & plugins:"));
 580                 break;
 581         }
 582 }
 583
 584 void
 585 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
 586 {
 587         boost::shared_ptr<Processor> processor (p.lock ());
 588         if (!processor) {
 589                 return;
 590         }
 591
 592         if (processor->placement() != _placement) {
 593                 return;
 594         }
 595
 596         Gtk::TreeModel::Row row = *(model->append());
 597         row[columns.text] = processor_name (processor);
 598         row[columns.processor] = processor;
 599
 600         show_processor_active (processor);
 601
 602         processor_active_connections.push_back (processor->ActiveChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor))));
 603         processor_name_connections.push_back (processor->NameChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_name), boost::weak_ptr<Processor>(processor))));
 604 }
 605
 606 string
 607 ProcessorBox::processor_name (boost::weak_ptr<Processor> weak_processor)
 608 {
 609         boost::shared_ptr<Processor> processor (weak_processor.lock());
 610
 611         if (!processor) {
 612                 return string();
 613         }
 614
 615         boost::shared_ptr<Send> send;
 616         string name_display;
 617
 618         if (!processor->active()) {
 619                 name_display = " (";
 620         }
 621
 622         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
 623
 624                 name_display += '>';
 625
 626                 /* grab the send name out of its overall name */
 627
 628                 string::size_type lbracket, rbracket;
 629                 lbracket = send->name().find ('[');
 630                 rbracket = send->name().find (']');
 631
 632                 switch (_width) {
 633                 case Wide:
 634                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
 635                         break;
 636                 case Narrow:
 637                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
 638                         break;
 639                 }
 640
 641         } else {
 642
 643                 switch (_width) {
 644                 case Wide:
 645                         name_display += processor->name();
 646                         break;
 647                 case Narrow:
 648                         name_display += PBD::short_version (processor->name(), 5);
 649                         break;
 650                 }
 651
 652         }
 653
 654         if (!processor->active()) {
 655                 name_display += ')';
 656         }
 657
 658         return name_display;
 659 }
 660
 661 void
 662 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
 663 {
 664         string tip(start);
 665
 666         Gtk::TreeModel::Children children = model->children();
 667         for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
 668                 Gtk::TreeModel::Row row = *iter;
 669                 tip += '\n';
 670                 tip += row[columns.text];
 671         }
 672         ARDOUR_UI::instance()->tooltips().set_tip (box, tip);
 673 }
 674
 675 void
 676 ProcessorBox::show_processor_name (boost::weak_ptr<Processor> processor)
 677 {
 678         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_name), processor));
 679         show_processor_active (processor);
 680 }
 681
 682 void
 683 ProcessorBox::show_processor_active (boost::weak_ptr<Processor> weak_processor)
 684 {
 685         boost::shared_ptr<Processor> processor (weak_processor.lock());
 686
 687         if (!processor) {
 688                 return;
 689         }
 690
 691         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_active), weak_processor));
 692
 693         Gtk::TreeModel::Children children = model->children();
 694         Gtk::TreeModel::Children::iterator iter = children.begin();
 695
 696         while (iter != children.end()) {
 697
 698                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
 699
 700                 if (r == processor) {
 701                         (*iter)[columns.text] = processor_name (r);
 702
 703                         if (processor->active()) {
 704                                 (*iter)[columns.color] = *active_processor_color;
 705                         } else {
 706                                 (*iter)[columns.color] = *inactive_processor_color;
 707                         }
 708                         break;
 709                 }
 710
 711                 iter++;
 712         }
 713 }
 714
 715 void
 716 ProcessorBox::row_deleted (const Gtk::TreeModel::Path& path)
 717 {
 718         if (!ignore_delete) {
 719                 compute_processor_sort_keys ();
 720         }
 721 }
 722
 723 void
 724 ProcessorBox::compute_processor_sort_keys ()
 725 {
 726         uint32_t sort_key = 0;
 727         Gtk::TreeModel::Children children = model->children();
 728
 729         for (Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
 730                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
 731                 r->set_sort_key (sort_key);
 732                 sort_key++;
 733         }
 734
 735         if (_route->sort_processors ()) {
 736
 737                 redisplay_processors ();
 738
 739                 /* now tell them about the problem */
 740
 741                 ArdourDialog dialog (_("ardour: weird plugin dialog"));
 742                 Label label;
 743
 744                 label.set_text (_("\
 745 You cannot reorder this set of processors\n\
 746 in that way because the inputs and\n\
 747 outputs do not work correctly."));
 748
 749                 dialog.get_vbox()->pack_start (label);
 750                 dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 751
 752                 dialog.set_name (X_("PluginIODialog"));
 753                 dialog.set_position (Gtk::WIN_POS_MOUSE);
 754                 dialog.set_modal (true);
 755                 dialog.show_all ();
 756
 757                 dialog.run ();
 758         }
 759 }
 760
 761 void
 762 ProcessorBox::rename_processors ()
 763 {
 764         vector<boost::shared_ptr<Processor> > to_be_renamed;
 765
 766         get_selected_processors (to_be_renamed);
 767
 768         if (to_be_renamed.empty()) {
 769                 return;
 770         }
 771
 772         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
 773                 rename_processor (*i);
 774         }
 775 }
 776
 777 void
 778 ProcessorBox::cut_processors ()
 779 {
 780         vector<boost::shared_ptr<Processor> > to_be_removed;
 781         XMLNode* node = new XMLNode (X_("cut"));
 782
 783         get_selected_processors (to_be_removed);
 784
 785         if (to_be_removed.empty()) {
 786                 return;
 787         }
 788
 789         no_processor_redisplay = true;
 790         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
 791                 // Do not cut inserts
 792                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
 793                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
 794
 795                         void* gui = (*i)->get_gui ();
 796
 797                         if (gui) {
 798                                 static_cast<Gtk::Widget*>(gui)->hide ();
 799                         }
 800
 801                         XMLNode& child ((*i)->get_state());
 802
 803                         if (_route->remove_processor (*i) == 0) {
 804                                 /* success */
 805                                 node->add_child_nocopy (child);
 806                         } else {
 807                                 delete &child;
 808                         }
 809                 }
 810         }
 811
 812         _rr_selection.set (node);
 813
 814         no_processor_redisplay = false;
 815         redisplay_processors ();
 816 }
 817
 818 void
 819 ProcessorBox::copy_processors ()
 820 {
 821         vector<boost::shared_ptr<Processor> > to_be_copied;
 822         XMLNode* node = new XMLNode (X_("copy"));
 823
 824         get_selected_processors (to_be_copied);
 825
 826         if (to_be_copied.empty()) {
 827                 return;
 828         }
 829
 830         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
 831                 // Do not copy inserts
 832                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
 833                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
 834                         node->add_child_nocopy ((*i)->get_state());
 835                 }
 836         }
 837
 838         _rr_selection.set (node);
 839 }
 840
 841 void
 842 ProcessorBox::delete_processors ()
 843 {
 844         vector<boost::shared_ptr<Processor> > to_be_deleted;
 845
 846         get_selected_processors (to_be_deleted);
 847
 848         if (to_be_deleted.empty()) {
 849                 return;
 850         }
 851
 852         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_deleted.begin(); i != to_be_deleted.end(); ++i) {
 853
 854                 void* gui = (*i)->get_gui ();
 855
 856                 if (gui) {
 857                         static_cast<Gtk::Widget*>(gui)->hide ();
 858                 }
 859
 860                 _route->remove_processor(*i);
 861         }
 862
 863         no_processor_redisplay = false;
 864         redisplay_processors ();
 865 }
 866
 867 gint
 868 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
 869 {
 870         boost::shared_ptr<Processor> processor (weak_processor.lock());
 871
 872         if (!processor) {
 873                 return false;
 874         }
 875
 876         /* NOT copied to _mixer.selection() */
 877
 878         no_processor_redisplay = true;
 879         _route->remove_processor (processor);
 880         no_processor_redisplay = false;
 881         redisplay_processors ();
 882
 883         return false;
 884 }
 885
 886 void
 887 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
 888 {
 889         ArdourPrompter name_prompter (true);
 890         string result;
 891         name_prompter.set_prompt (_("rename processor"));
 892         name_prompter.set_initial_text (processor->name());
 893         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
 894         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 895         name_prompter.show_all ();
 896
 897         switch (name_prompter.run ()) {
 898
 899         case Gtk::RESPONSE_ACCEPT:
 900         name_prompter.get_result (result);
 901         if (result.length()) {
 902                         processor->set_name (result);
 903                 }
 904                 break;
 905         }
 906
 907         return;
 908 }
 909
 910 void
 911 ProcessorBox::paste_processors ()
 912 {
 913         if (_rr_selection.processors.empty()) {
 914                 return;
 915         }
 916
 917         cerr << "paste from node called " << _rr_selection.processors.get_node().name() << endl;
 918
 919         paste_processor_state (_rr_selection.processors.get_node());
 920 }
 921
 922 void
 923 ProcessorBox::paste_processor_list (const list<boost::shared_ptr<Processor> >& processors)
 924 {
 925         list<boost::shared_ptr<Processor> > copies;
 926
 927         for (list<boost::shared_ptr<Processor> >::const_iterator i = processors.begin(); i != processors.end(); ++i) {
 928
 929                 boost::shared_ptr<Processor> copy = Processor::clone (*i);
 930
 931                 copy->set_placement (_placement);
 932                 copies.push_back (copy);
 933         }
 934
 935         if (_route->add_processors (copies)) {
 936
 937                 string msg = _(
 938                         "Copying the set of processors on the clipboard failed,\n\
 939 probably because the I/O configuration of the plugins\n\
 940 could not match the configuration of this track.");
 941                 MessageDialog am (msg);
 942                 am.run ();
 943         }
 944 }
 945
 946 void
 947 ProcessorBox::paste_processor_state (const XMLNode& node)
 948 {
 949         XMLNodeList nlist;
 950         XMLNodeConstIterator niter;
 951         list<boost::shared_ptr<Processor> > copies;
 952
 953         nlist = node.children();
 954
 955         cerr << "Pasting processor selection containing " << nlist.size() << endl;
 956
 957         if (nlist.empty()) {
 958                 return;
 959         }
 960
 961         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 962                 cerr << "try using " << (*niter)->name() << endl;
 963                 try {
 964                         copies.push_back (boost::shared_ptr<Processor> (new PluginInsert (_session, **niter)));
 965                 }
 966                 catch (...) {
 967                         cerr << "plugin insert constructor failed\n";
 968                 }
 969         }
 970
 971         if (_route->add_processors (copies)) {
 972
 973                 string msg = _(
 974                         "Copying the set of processors on the clipboard failed,\n\
 975 probably because the I/O configuration of the plugins\n\
 976 could not match the configuration of this track.");
 977                 MessageDialog am (msg);
 978                 am.run ();
 979         }
 980 }
 981
 982 void
 983 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
 984 {
 985         r->set_active (true);
 986 }
 987
 988 void
 989 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
 990 {
 991         r->set_active (false);
 992 }
 993
 994 void
 995 ProcessorBox::get_selected_processors (vector<boost::shared_ptr<Processor> >& processors)
 996 {
 997     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
 998
 999     for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1000             processors.push_back ((*(model->get_iter(*iter)))[columns.processor]);
1001     }
1002 }
1003
1004 void
1005 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1006 {
1007     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
1008
1009         for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1010                 boost::shared_ptr<Processor> processor = (*(model->get_iter(*iter)))[columns.processor];
1011                 (this->*method)(processor);
1012         }
1013 }
1014
1015 void
1016 ProcessorBox::clone_processors ()
1017 {
1018         RouteSelection& routes (_rr_selection.routes);
1019
1020         if (!routes.empty()) {
1021                 if (_route->copy_processors (*routes.front(), _placement)) {
1022                         string msg = _(
1023 "Copying the set of processors on the clipboard failed,\n\
1024 probably because the I/O configuration of the plugins\n\
1025 could not match the configuration of this track.");
1026                         MessageDialog am (msg);
1027                         am.run ();
1028                 }
1029         }
1030 }
1031
1032 void
1033 ProcessorBox::all_processors_active (bool state)
1034 {
1035         _route->all_processors_active (_placement, state);
1036 }
1037
1038 void
1039 ProcessorBox::ab_plugins ()
1040 {
1041         _route->ab_plugins (ab_direction);
1042         ab_direction = !ab_direction;
1043 }
1044
1045
1046 void
1047 ProcessorBox::clear_processors ()
1048 {
1049         string prompt;
1050         vector<string> choices;
1051
1052         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1053                 if (_placement == PreFader) {
1054                         prompt = _("Do you really want to remove all pre-fader processors from this track?\n"
1055                                    "(this cannot be undone)");
1056                 } else {
1057                         prompt = _("Do you really want to remove all post-fader processors from this track?\n"
1058                                    "(this cannot be undone)");
1059                 }
1060         } else {
1061                 if (_placement == PreFader) {
1062                         prompt = _("Do you really want to remove all pre-fader processors from this bus?\n"
1063                                    "(this cannot be undone)");
1064                 } else {
1065                         prompt = _("Do you really want to remove all post-fader processors from this bus?\n"
1066                                    "(this cannot be undone)");
1067                 }
1068         }
1069
1070         choices.push_back (_("Cancel"));
1071         choices.push_back (_("Yes, remove them all"));
1072
1073         Gtkmm2ext::Choice prompter (prompt, choices);
1074
1075         if (prompter.run () == 1) {
1076                 _route->clear_processors (_placement);
1077         }
1078 }
1079
1080 void
1081 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
1082 {
1083         boost::shared_ptr<Send> send;
1084         boost::shared_ptr<PluginInsert> plugin_insert;
1085         boost::shared_ptr<PortInsert> port_insert;
1086         Window* gidget = 0;
1087
1088         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1089
1090                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1091                         return;
1092                 }
1093         }
1094
1095         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1096
1097                 if (!_session.engine().connected()) {
1098                         return;
1099                 }
1100
1101                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1102
1103                 SendUIWindow *send_ui;
1104
1105                 if (send->get_gui() == 0) {
1106
1107                         send_ui = new SendUIWindow (send, _session);
1108
1109                         WindowTitle title(Glib::get_application_name());
1110                         title += send->name();
1111                         send_ui->set_title (title.get_string());
1112
1113                         send->set_gui (send_ui);
1114
1115                 } else {
1116                         send_ui = reinterpret_cast<SendUIWindow *> (send->get_gui());
1117                 }
1118
1119                 gidget = send_ui;
1120
1121         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1122
1123                 PluginUIWindow *plugin_ui;
1124
1125                 /* these are both allowed to be null */
1126
1127                 Container* toplevel = get_toplevel();
1128                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1129
1130                 if (plugin_insert->get_gui() == 0) {
1131
1132                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1133
1134                         WindowTitle title(Glib::get_application_name());
1135                         title += generate_processor_title (plugin_insert);
1136                         plugin_ui->set_title (title.get_string());
1137
1138                         plugin_insert->set_gui (plugin_ui);
1139
1140                         // change window title when route name is changed
1141                         _route->NameChanged.connect (bind (mem_fun(*this, &ProcessorBox::route_name_changed), plugin_ui, boost::weak_ptr<PluginInsert> (plugin_insert)));
1142
1143                 } else {
1144                         plugin_ui = reinterpret_cast<PluginUIWindow *> (plugin_insert->get_gui());
1145                         plugin_ui->set_parent (win);
1146                 }
1147
1148                 gidget = plugin_ui;
1149
1150         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1151
1152                 if (!_session.engine().connected()) {
1153                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1154                         msg.run ();
1155                         return;
1156                 }
1157
1158                 PortInsertWindow *io_selector;
1159
1160                 if (port_insert->get_gui() == 0) {
1161                         io_selector = new PortInsertWindow (_session, port_insert);
1162                         port_insert->set_gui (io_selector);
1163
1164                 } else {
1165                         io_selector = reinterpret_cast<PortInsertWindow *> (port_insert->get_gui());
1166                 }
1167
1168                 gidget = io_selector;
1169         }
1170
1171         if (gidget) {
1172                 if (gidget->is_visible()) {
1173                         gidget->get_window()->raise ();
1174                 } else {
1175                         gidget->show_all ();
1176                         gidget->present ();
1177                 }
1178         }
1179 }
1180
1181 bool
1182 ProcessorBox::enter_box (GdkEventCrossing *ev, ProcessorBox* rb)
1183 {
1184         switch (ev->detail) {
1185         case GDK_NOTIFY_INFERIOR:
1186                 break;
1187
1188         case GDK_NOTIFY_VIRTUAL:
1189                 /* fallthru */
1190
1191         default:
1192                 _current_processor_box = rb;
1193         }
1194
1195         return false;
1196 }
1197
1198 void
1199 ProcessorBox::register_actions ()
1200 {
1201         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("processormenu"));
1202         Glib::RefPtr<Action> act;
1203
1204         /* new stuff */
1205         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),  sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1206
1207         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),  sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1208         ActionManager::jack_sensitive_actions.push_back (act);
1209         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),  sigc::ptr_fun (ProcessorBox::rb_choose_send));
1210         ActionManager::jack_sensitive_actions.push_back (act);
1211
1212         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear"),  sigc::ptr_fun (ProcessorBox::rb_clear));
1213
1214         /* standard editing stuff */
1215         act = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),  sigc::ptr_fun (ProcessorBox::rb_cut));
1216         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1217         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),  sigc::ptr_fun (ProcessorBox::rb_copy));
1218         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1219
1220         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),  sigc::ptr_fun (ProcessorBox::rb_delete));
1221         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1222
1223         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),  sigc::ptr_fun (ProcessorBox::rb_paste));
1224         act = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),  sigc::ptr_fun (ProcessorBox::rb_rename));
1225         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1226         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),  sigc::ptr_fun (ProcessorBox::rb_select_all));
1227         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),  sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1228
1229         /* activation */
1230         act = ActionManager::register_action (popup_act_grp, X_("activate"), _("Activate"),  sigc::ptr_fun (ProcessorBox::rb_activate));
1231         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1232         act = ActionManager::register_action (popup_act_grp, X_("deactivate"), _("Deactivate"),  sigc::ptr_fun (ProcessorBox::rb_deactivate));
1233         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1234         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),  sigc::ptr_fun (ProcessorBox::rb_activate_all));
1235         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),  sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1236
1237         /* show editors */
1238         act = ActionManager::register_action (popup_act_grp, X_("edit"), _("Edit"),  sigc::ptr_fun (ProcessorBox::rb_edit));
1239         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1240
1241         ActionManager::add_action_group (popup_act_grp);
1242
1243
1244 }
1245
1246 void
1247 ProcessorBox::rb_choose_plugin ()
1248 {
1249         if (_current_processor_box == 0) {
1250                 return;
1251         }
1252         _current_processor_box->choose_plugin ();
1253 }
1254
1255 void
1256 ProcessorBox::rb_choose_insert ()
1257 {
1258         if (_current_processor_box == 0) {
1259                 return;
1260         }
1261         _current_processor_box->choose_insert ();
1262 }
1263
1264 void
1265 ProcessorBox::rb_choose_send ()
1266 {
1267         if (_current_processor_box == 0) {
1268                 return;
1269         }
1270         _current_processor_box->choose_send ();
1271 }
1272
1273 void
1274 ProcessorBox::rb_clear ()
1275 {
1276         if (_current_processor_box == 0) {
1277                 return;
1278         }
1279
1280         _current_processor_box->clear_processors ();
1281 }
1282
1283 void
1284 ProcessorBox::rb_cut ()
1285 {
1286         if (_current_processor_box == 0) {
1287                 return;
1288         }
1289
1290         _current_processor_box->cut_processors ();
1291 }
1292
1293 void
1294 ProcessorBox::rb_delete ()
1295 {
1296         if (_current_processor_box == 0) {
1297                 return;
1298         }
1299
1300         _current_processor_box->delete_processors ();
1301 }
1302
1303 void
1304 ProcessorBox::rb_copy ()
1305 {
1306         if (_current_processor_box == 0) {
1307                 return;
1308         }
1309         _current_processor_box->copy_processors ();
1310 }
1311
1312 void
1313 ProcessorBox::rb_paste ()
1314 {
1315         if (_current_processor_box == 0) {
1316                 return;
1317         }
1318
1319         _current_processor_box->paste_processors ();
1320 }
1321
1322 void
1323 ProcessorBox::rb_rename ()
1324 {
1325         if (_current_processor_box == 0) {
1326                 return;
1327         }
1328         _current_processor_box->rename_processors ();
1329 }
1330
1331 void
1332 ProcessorBox::rb_select_all ()
1333 {
1334         if (_current_processor_box == 0) {
1335                 return;
1336         }
1337
1338         _current_processor_box->select_all_processors ();
1339 }
1340
1341 void
1342 ProcessorBox::rb_deselect_all ()
1343 {
1344         if (_current_processor_box == 0) {
1345                 return;
1346         }
1347
1348         _current_processor_box->deselect_all_processors ();
1349 }
1350
1351 void
1352 ProcessorBox::rb_activate ()
1353 {
1354         if (_current_processor_box == 0) {
1355                 return;
1356         }
1357
1358         _current_processor_box->for_selected_processors (&ProcessorBox::activate_processor);
1359 }
1360
1361 void
1362 ProcessorBox::rb_deactivate ()
1363 {
1364         if (_current_processor_box == 0) {
1365                 return;
1366         }
1367         _current_processor_box->for_selected_processors (&ProcessorBox::deactivate_processor);
1368 }
1369
1370 void
1371 ProcessorBox::rb_activate_all ()
1372 {
1373         if (_current_processor_box == 0) {
1374                 return;
1375         }
1376
1377         _current_processor_box->all_processors_active (true);
1378 }
1379
1380 void
1381 ProcessorBox::rb_deactivate_all ()
1382 {
1383         if (_current_processor_box == 0) {
1384                 return;
1385         }
1386         _current_processor_box->all_processors_active (false);
1387 }
1388
1389 void
1390 ProcessorBox::rb_edit ()
1391 {
1392         if (_current_processor_box == 0) {
1393                 return;
1394         }
1395
1396         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
1397 }
1398
1399 void
1400 ProcessorBox::route_name_changed (PluginUIWindow* plugin_ui, boost::weak_ptr<PluginInsert> wpi)
1401 {
1402         ENSURE_GUI_THREAD(bind (mem_fun (*this, &ProcessorBox::route_name_changed), plugin_ui, wpi));
1403
1404         boost::shared_ptr<PluginInsert> pi (wpi.lock());
1405
1406         if (pi) {
1407                 WindowTitle title(Glib::get_application_name());
1408                 title += generate_processor_title (pi);
1409                 plugin_ui->set_title (title.get_string());
1410         }
1411 }
1412
1413 string
1414 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
1415 {
1416         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
1417         string::size_type email_pos;
1418
1419         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
1420                 maker = maker.substr (0, email_pos - 1);
1421         }
1422
1423         if (maker.length() > 32) {
1424                 maker = maker.substr (0, 32);
1425                 maker += " ...";
1426         }
1427
1428         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
1429 }
1430