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/amp.h"
  41 #include "ardour/ardour.h"
  42 #include "ardour/audio_diskstream.h"
  43 #include "ardour/audio_track.h"
  44 #include "ardour/audioengine.h"
  45 #include "ardour/ladspa_plugin.h"
  46 #include "ardour/meter.h"
  47 #include "ardour/plugin_insert.h"
  48 #include "ardour/port_insert.h"
  49 #include "ardour/profile.h"
  50 #include "ardour/route.h"
  51 #include "ardour/send.h"
  52 #include "ardour/session.h"
  53
  54 #include "ardour_ui.h"
  55 #include "ardour_dialog.h"
  56 #include "public_editor.h"
  57 #include "processor_box.h"
  58 #include "keyboard.h"
  59 #include "plugin_selector.h"
  60 #include "route_processor_selection.h"
  61 #include "mixer_ui.h"
  62 #include "actions.h"
  63 #include "plugin_ui.h"
  64 #include "io_selector.h"
  65 #include "utils.h"
  66 #include "gui_thread.h"
  67
  68 #include "i18n.h"
  69
  70 #ifdef HAVE_AUDIOUNITS
  71 class AUPluginUI;
  72 #endif
  73
  74 using namespace sigc;
  75 using namespace ARDOUR;
  76 using namespace PBD;
  77 using namespace Gtk;
  78 using namespace Glib;
  79 using namespace Gtkmm2ext;
  80
  81 ProcessorBox* ProcessorBox::_current_processor_box = 0;
  82 RefPtr<Action> ProcessorBox::paste_action;
  83 bool ProcessorBox::get_colors = true;
  84 Gdk::Color* ProcessorBox::active_processor_color;
  85 Gdk::Color* ProcessorBox::inactive_processor_color;
  86
  87 ProcessorBox::ProcessorBox (Placement pcmnt, Session& sess, PluginSelector &plugsel,
  88                             RouteRedirectSelection & rsel, bool owner_is_mixer)
  89         : _session(sess)
  90         , _owner_is_mixer (owner_is_mixer)
  91         , _placement(pcmnt)
  92         , _plugin_selector(plugsel)
  93         , _rr_selection(rsel)
  94 {
  95         if (get_colors) {
  96                 active_processor_color = new Gdk::Color;
  97                 inactive_processor_color = new Gdk::Color;
  98                 set_color (*active_processor_color, rgba_from_style (
  99                                 "ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_ACTIVE, false ));
 100                 set_color (*inactive_processor_color, rgba_from_style (
 101                                 "ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
 102                 get_colors = false;
 103         }
 104
 105         _width = Wide;
 106         processor_menu = 0;
 107         send_action_menu = 0;
 108         processor_drag_in_progress = false;
 109         no_processor_redisplay = false;
 110         ignore_delete = false;
 111
 112         model = ListStore::create(columns);
 113
 114         RefPtr<TreeSelection> selection = processor_display.get_selection();
 115         selection->set_mode (Gtk::SELECTION_MULTIPLE);
 116         selection->signal_changed().connect (mem_fun (*this, &ProcessorBox::selection_changed));
 117
 118         processor_display.set_model (model);
 119         processor_display.append_column (X_("notshown"), columns.text);
 120         processor_display.set_name ("ProcessorSelector");
 121         processor_display.set_headers_visible (false);
 122         processor_display.set_reorderable (true);
 123         processor_display.set_size_request (-1, 40);
 124         processor_display.get_column(0)->set_sizing(TREE_VIEW_COLUMN_FIXED);
 125         processor_display.get_column(0)->set_fixed_width(48);
 126         processor_display.add_object_drag (columns.processor.index(), "processors");
 127         processor_display.signal_drop.connect (mem_fun (*this, &ProcessorBox::object_drop));
 128
 129         TreeViewColumn* name_col = processor_display.get_column(0);
 130         CellRendererText* renderer = dynamic_cast<CellRendererText*>(
 131                         processor_display.get_column_cell_renderer (0));
 132         name_col->add_attribute(renderer->property_foreground_gdk(), columns.color);
 133
 134         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 135
 136         model->signal_row_deleted().connect (mem_fun (*this, &ProcessorBox::row_deleted));
 137
 138         processor_scroller.add (processor_display);
 139         processor_eventbox.add (processor_scroller);
 140
 141         processor_scroller.set_size_request (-1, 40);
 142
 143         pack_start (processor_eventbox, true, true);
 144
 145         processor_eventbox.signal_enter_notify_event().connect (bind (
 146                         sigc::ptr_fun (ProcessorBox::enter_box),
 147                         this));
 148
 149         processor_display.signal_button_press_event().connect (
 150                         mem_fun(*this, &ProcessorBox::processor_button_press_event), false);
 151         processor_display.signal_button_release_event().connect (
 152                         mem_fun(*this, &ProcessorBox::processor_button_release_event));
 153 }
 154
 155 ProcessorBox::~ProcessorBox ()
 156 {
 157 }
 158
 159 void
 160 ProcessorBox::set_route (boost::shared_ptr<Route> r)
 161 {
 162         connections.clear ();
 163
 164         _route = r;
 165
 166         connections.push_back (_route->processors_changed.connect (
 167                         mem_fun(*this, &ProcessorBox::redisplay_processors)));
 168         connections.push_back (_route->GoingAway.connect (
 169                         mem_fun (*this, &ProcessorBox::route_going_away)));
 170         connections.push_back (_route->NameChanged.connect (
 171                         mem_fun(*this, &ProcessorBox::route_name_changed)));
 172
 173         redisplay_processors ();
 174 }
 175
 176 void
 177 ProcessorBox::route_going_away ()
 178 {
 179         /* don't keep updating display as processors are deleted */
 180         no_processor_redisplay = true;
 181 }
 182
 183
 184 void
 185 ProcessorBox::object_drop (const list<boost::shared_ptr<Processor> >& procs)
 186 {
 187         for (std::list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin();
 188                         i != procs.end(); ++i) {
 189                 XMLNode& state = (*i)->get_state ();
 190                 XMLNodeList nlist;
 191                 nlist.push_back (&state);
 192                 paste_processor_state (nlist);
 193                 delete &state;
 194         }
 195 }
 196
 197 void
 198 ProcessorBox::update()
 199 {
 200         redisplay_processors ();
 201 }
 202
 203
 204 void
 205 ProcessorBox::set_width (Width w)
 206 {
 207         if (_width == w) {
 208                 return;
 209         }
 210         _width = w;
 211
 212         redisplay_processors ();
 213 }
 214
 215 void
 216 ProcessorBox::remove_processor_gui (boost::shared_ptr<Processor> processor)
 217 {
 218         boost::shared_ptr<Send> send;
 219         boost::shared_ptr<PortInsert> port_insert;
 220
 221         if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
 222                 PortInsertUI *io_selector = reinterpret_cast<PortInsertUI *> (port_insert->get_gui());
 223                 port_insert->set_gui (0);
 224                 delete io_selector;
 225         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
 226                 SendUIWindow *sui = reinterpret_cast<SendUIWindow*> (send->get_gui());
 227                 send->set_gui (0);
 228                 delete sui;
 229         }
 230 }
 231
 232 void
 233 ProcessorBox::build_send_action_menu ()
 234 {
 235         using namespace Menu_Helpers;
 236
 237         send_action_menu = new Menu;
 238         send_action_menu->set_name ("ArdourContextMenu");
 239         MenuList& items = send_action_menu->items();
 240
 241         items.push_back (MenuElem (_("New send"), mem_fun(*this, &ProcessorBox::new_send)));
 242         items.push_back (MenuElem (_("Show send controls"), mem_fun(*this, &ProcessorBox::show_send_controls)));
 243 }
 244
 245 void
 246 ProcessorBox::show_send_controls ()
 247 {
 248 }
 249
 250 void
 251 ProcessorBox::new_send ()
 252 {
 253 }
 254
 255 void
 256 ProcessorBox::show_processor_menu (gint arg)
 257 {
 258         if (processor_menu == 0) {
 259                 processor_menu = build_processor_menu ();
 260         }
 261
 262         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/processormenu/newplugin"));
 263
 264         if (plugin_menu_item) {
 265                 plugin_menu_item->set_submenu (_plugin_selector.plugin_menu());
 266         }
 267
 268         paste_action->set_sensitive (!_rr_selection.processors.empty());
 269
 270         processor_menu->popup (1, arg);
 271 }
 272
 273 void
 274 ProcessorBox::processor_drag_begin (GdkDragContext *context)
 275 {
 276         processor_drag_in_progress = true;
 277 }
 278
 279 void
 280 ProcessorBox::processor_drag_end (GdkDragContext *context)
 281 {
 282         processor_drag_in_progress = false;
 283 }
 284
 285 bool
 286 ProcessorBox::processor_button_press_event (GdkEventButton *ev)
 287 {
 288         TreeIter iter;
 289         TreeModel::Path path;
 290         TreeViewColumn* column;
 291         int cellx;
 292         int celly;
 293         boost::shared_ptr<Processor> processor;
 294         int ret = false;
 295         bool selected = false;
 296
 297         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 298                 if ((iter = model->get_iter (path))) {
 299                         processor = (*iter)[columns.processor];
 300                         selected = processor_display.get_selection()->is_selected (iter);
 301                 }
 302
 303         }
 304
 305         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
 306
 307                 if (_session.engine().connected()) {
 308                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
 309                         edit_processor (processor);
 310                 }
 311                 ret = true;
 312
 313         } else if (processor && ev->button == 1 && selected) {
 314
 315                 // this is purely informational but necessary
 316                 ProcessorSelected (processor); // emit
 317
 318         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
 319
 320                 choose_plugin ();
 321                 _plugin_selector.show_manager ();
 322         }
 323
 324
 325         return ret;
 326 }
 327
 328 bool
 329 ProcessorBox::processor_button_release_event (GdkEventButton *ev)
 330 {
 331         TreeIter iter;
 332         TreeModel::Path path;
 333         TreeViewColumn* column;
 334         int cellx;
 335         int celly;
 336         boost::shared_ptr<Processor> processor;
 337         int ret = false;
 338
 339
 340         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
 341                 if ((iter = model->get_iter (path))) {
 342                         processor = (*iter)[columns.processor];
 343                 }
 344         }
 345
 346         if (processor && Keyboard::is_delete_event (ev)) {
 347
 348                 Glib::signal_idle().connect (bind (
 349                                 mem_fun(*this, &ProcessorBox::idle_delete_processor),
 350                                 boost::weak_ptr<Processor>(processor)));
 351                 ret = true;
 352
 353         } else if (Keyboard::is_context_menu_event (ev)) {
 354
 355                 show_processor_menu(ev->time);
 356                 ret = true;
 357
 358         } else if (processor && Keyboard::is_button2_event (ev)
 359 #ifndef GTKOSX
 360                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
 361 #endif
 362                 ) {
 363
 364                 /* button2-click with no/appropriate modifiers */
 365
 366                 if (processor->active()) {
 367                         processor->deactivate ();
 368                 } else {
 369                         processor->activate ();
 370                 }
 371                 ret = true;
 372
 373         }
 374
 375         return ret;
 376 }
 377
 378 Menu *
 379 ProcessorBox::build_processor_menu ()
 380 {
 381         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/processormenu") );
 382         processor_menu->set_name ("ArdourContextMenu");
 383
 384         show_all_children();
 385
 386         return processor_menu;
 387 }
 388
 389 void
 390 ProcessorBox::selection_changed ()
 391 {
 392         bool sensitive = (processor_display.get_selection()->count_selected_rows()) ? true : false;
 393         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, sensitive);
 394 }
 395
 396 void
 397 ProcessorBox::select_all_processors ()
 398 {
 399         processor_display.get_selection()->select_all();
 400 }
 401
 402 void
 403 ProcessorBox::deselect_all_processors ()
 404 {
 405         processor_display.get_selection()->unselect_all();
 406 }
 407
 408 void
 409 ProcessorBox::choose_plugin ()
 410 {
 411         _plugin_selector.set_interested_object (*this);
 412 }
 413
 414 void
 415 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 416 {
 417         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
 418
 419                 boost::shared_ptr<Processor> processor (new PluginInsert (_session, *p));
 420
 421                 Route::ProcessorStreams err_streams;
 422
 423                 if (Config->get_new_plugins_active()) {
 424                         processor->activate ();
 425                 }
 426
 427                 if (_route->add_processor (processor, &err_streams, 0, _placement)) {
 428                         weird_plugin_dialog (**p, err_streams, _route);
 429                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
 430                 } else {
 431
 432                         if (Profile->get_sae()) {
 433                                 processor->activate ();
 434                         }
 435                         processor->ActiveChanged.connect (bind (
 436                                         mem_fun (*this, &ProcessorBox::show_processor_active),
 437                                         boost::weak_ptr<Processor>(processor)));
 438                 }
 439         }
 440 }
 441
 442 void
 443 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams, boost::shared_ptr<IO> io)
 444 {
 445         ArdourDialog dialog (_("ardour: weird plugin dialog"));
 446         Label label;
 447
 448         string text = string_compose(_("You attempted to add the plugin \"%1\" at index %2.\n"),
 449                         p.name(), streams.index);
 450
 451         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
 452         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
 453
 454         text += _("\nThis plugin has:\n");
 455         if (has_midi) {
 456                 text += string_compose("\t%1 ", p.get_info()->n_inputs.n_midi()) + _("MIDI input(s)\n");
 457         }
 458         if (has_audio) {
 459                 text += string_compose("\t%1 ", p.get_info()->n_inputs.n_audio()) + _("audio input(s)\n");
 460         }
 461
 462         text += _("\nBut at the insertion point, there are:\n");
 463         if (has_midi) {
 464                 text += string_compose("\t%1 ", streams.count.n_midi()) + _("MIDI channel(s)\n");
 465         }
 466         if (has_audio) {
 467                 text += string_compose("\t%1 ", streams.count.n_audio()) + _("audio channel(s)\n");
 468         }
 469
 470         text += _("\nArdour is unable to insert this plugin here.\n");
 471         label.set_text(text);
 472
 473         dialog.get_vbox()->pack_start (label);
 474         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 475
 476         dialog.set_name (X_("PluginIODialog"));
 477         dialog.set_position (Gtk::WIN_POS_MOUSE);
 478         dialog.set_modal (true);
 479         dialog.show_all ();
 480
 481         dialog.run ();
 482 }
 483
 484 void
 485 ProcessorBox::choose_insert ()
 486 {
 487         boost::shared_ptr<Processor> processor (new PortInsert (_session));
 488         processor->ActiveChanged.connect (bind (
 489                         mem_fun(*this, &ProcessorBox::show_processor_active),
 490                         boost::weak_ptr<Processor>(processor)));
 491         _route->add_processor (processor, 0, 0, _placement);
 492 }
 493
 494 void
 495 ProcessorBox::choose_send ()
 496 {
 497         boost::shared_ptr<Send> send (new Send (_session));
 498         //send->set_default_type(_route->default_type());
 499
 500         ChanCount outs;
 501
 502         /* make an educated guess at the initial number of outputs for the send */
 503
 504         if (_session.master_out()) {
 505                 outs = _session.master_out()->n_outputs();
 506         } else {
 507                 outs = _route->n_outputs();
 508         }
 509
 510         /* XXX need processor lock on route */
 511
 512         try {
 513                 send->io()->ensure_io (ChanCount::ZERO, outs, false, this);
 514         } catch (AudioEngine::PortRegistrationFailure& err) {
 515                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
 516                 return;
 517         }
 518
 519         /* let the user adjust the output setup (number and connections) before passing
 520            it along to the Route
 521         */
 522
 523         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->io(), false, true);
 524
 525         ios->show_all ();
 526
 527         /* bit of a hack; keep a shared_ptr to send around so that it doesn't get deleted while
 528            the IOSelectorWindow is doing its stuff */
 529         _send_being_created = send;
 530
 531         boost::shared_ptr<Processor> r = boost::static_pointer_cast<Processor>(send);
 532
 533         ios->selector().Finished.connect (bind (
 534                         mem_fun(*this, &ProcessorBox::send_io_finished),
 535                         boost::weak_ptr<Processor>(r), ios));
 536 }
 537
 538 void
 539 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
 540 {
 541         boost::shared_ptr<Processor> processor (weak_processor.lock());
 542
 543         /* now we can lose the dummy shared_ptr */
 544         _send_being_created.reset ();
 545
 546         if (!processor) {
 547                 return;
 548         }
 549
 550         switch (r) {
 551         case IOSelector::Cancelled:
 552                 // processor will go away when all shared_ptrs to it vanish
 553                 break;
 554
 555         case IOSelector::Accepted:
 556                 _route->add_processor (processor, 0, 0, _placement);
 557                 if (Profile->get_sae()) {
 558                         processor->activate ();
 559                 }
 560                 break;
 561         }
 562
 563         delete_when_idle (ios);
 564 }
 565
 566 void
 567 ProcessorBox::redisplay_processors ()
 568 {
 569         ENSURE_GUI_THREAD (mem_fun(*this, &ProcessorBox::redisplay_processors));
 570
 571         if (no_processor_redisplay) {
 572                 return;
 573         }
 574
 575         ignore_delete = true;
 576         model->clear ();
 577         ignore_delete = false;
 578
 579         processor_active_connections.clear ();
 580         processor_name_connections.clear ();
 581
 582         _route->foreach_processor (_placement, mem_fun (*this, &ProcessorBox::add_processor_to_display));
 583
 584         switch (_placement) {
 585         case PreFader:
 586                 build_processor_tooltip(processor_eventbox, _("Pre-fader inserts, sends & plugins:"));
 587                 break;
 588         case PostFader:
 589                 build_processor_tooltip(processor_eventbox, _("Post-fader inserts, sends & plugins:"));
 590                 break;
 591         }
 592 }
 593
 594 void
 595 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
 596 {
 597         boost::shared_ptr<Processor> processor (p.lock ());
 598         if (!processor) {
 599                 return;
 600         }
 601
 602         if (processor == _route->amp()) {
 603                 return;
 604         }
 605
 606         Gtk::TreeModel::Row row = *(model->append());
 607         row[columns.text] = processor_name (processor);
 608         row[columns.processor] = processor;
 609
 610         show_processor_active (processor);
 611
 612         processor_active_connections.push_back (processor->ActiveChanged.connect (bind (
 613                         mem_fun(*this, &ProcessorBox::show_processor_active),
 614                         boost::weak_ptr<Processor>(processor))));
 615         processor_name_connections.push_back (processor->NameChanged.connect (bind (
 616                         mem_fun(*this, &ProcessorBox::show_processor_name),
 617                         boost::weak_ptr<Processor>(processor))));
 618 }
 619
 620 string
 621 ProcessorBox::processor_name (boost::weak_ptr<Processor> weak_processor)
 622 {
 623         boost::shared_ptr<Processor> processor (weak_processor.lock());
 624
 625         if (!processor) {
 626                 return string();
 627         }
 628
 629         boost::shared_ptr<Send> send;
 630         string name_display;
 631
 632         if (!processor->active()) {
 633                 name_display = " (";
 634         }
 635
 636         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
 637
 638                 name_display += '>';
 639
 640                 /* grab the send name out of its overall name */
 641
 642                 string::size_type lbracket, rbracket;
 643                 lbracket = send->name().find ('[');
 644                 rbracket = send->name().find (']');
 645
 646                 switch (_width) {
 647                 case Wide:
 648                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
 649                         break;
 650                 case Narrow:
 651                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
 652                         break;
 653                 }
 654
 655         } else {
 656
 657                 switch (_width) {
 658                 case Wide:
 659                         name_display += processor->name();
 660                         break;
 661                 case Narrow:
 662                         name_display += PBD::short_version (processor->name(), 5);
 663                         break;
 664                 }
 665
 666         }
 667
 668         if (!processor->active()) {
 669                 name_display += ')';
 670         }
 671
 672         return name_display;
 673 }
 674
 675 void
 676 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
 677 {
 678         string tip(start);
 679
 680         Gtk::TreeModel::Children children = model->children();
 681         for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
 682                 Gtk::TreeModel::Row row = *iter;
 683                 tip += '\n';
 684                 tip += row[columns.text];
 685         }
 686         ARDOUR_UI::instance()->tooltips().set_tip (box, tip);
 687 }
 688
 689 void
 690 ProcessorBox::show_processor_name (boost::weak_ptr<Processor> processor)
 691 {
 692         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_name), processor));
 693         show_processor_active (processor);
 694 }
 695
 696 void
 697 ProcessorBox::show_processor_active (boost::weak_ptr<Processor> weak_processor)
 698 {
 699         boost::shared_ptr<Processor> processor (weak_processor.lock());
 700
 701         if (!processor) {
 702                 return;
 703         }
 704
 705         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_active), weak_processor));
 706
 707         Gtk::TreeModel::Children children = model->children();
 708         Gtk::TreeModel::Children::iterator iter = children.begin();
 709
 710         while (iter != children.end()) {
 711
 712                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
 713
 714                 if (r == processor) {
 715                         (*iter)[columns.text] = processor_name (r);
 716
 717                         if (processor->active()) {
 718                                 (*iter)[columns.color] = *active_processor_color;
 719                         } else {
 720                                 (*iter)[columns.color] = *inactive_processor_color;
 721                         }
 722                         break;
 723                 }
 724
 725                 iter++;
 726         }
 727 }
 728
 729 void
 730 ProcessorBox::row_deleted (const Gtk::TreeModel::Path& path)
 731 {
 732         if (!ignore_delete) {
 733                 compute_processor_sort_keys ();
 734         }
 735 }
 736
 737 void
 738 ProcessorBox::compute_processor_sort_keys ()
 739 {
 740         uint32_t sort_key = 0;
 741         Gtk::TreeModel::Children children = model->children();
 742
 743         for (Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
 744                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
 745                 r->set_sort_key (sort_key);
 746                 sort_key++;
 747         }
 748
 749         if (_route->sort_processors ()) {
 750
 751                 redisplay_processors ();
 752
 753                 /* now tell them about the problem */
 754
 755                 ArdourDialog dialog (_("ardour: weird plugin dialog"));
 756                 Label label;
 757
 758                 label.set_text (_("\
 759 You cannot reorder this set of processors\n\
 760 in that way because the inputs and\n\
 761 outputs do not work correctly."));
 762
 763                 dialog.get_vbox()->pack_start (label);
 764                 dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 765
 766                 dialog.set_name (X_("PluginIODialog"));
 767                 dialog.set_position (Gtk::WIN_POS_MOUSE);
 768                 dialog.set_modal (true);
 769                 dialog.show_all ();
 770
 771                 dialog.run ();
 772         }
 773 }
 774
 775 void
 776 ProcessorBox::rename_processors ()
 777 {
 778         ProcSelection to_be_renamed;
 779
 780         get_selected_processors (to_be_renamed);
 781
 782         if (to_be_renamed.empty()) {
 783                 return;
 784         }
 785
 786         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
 787                 rename_processor (*i);
 788         }
 789 }
 790
 791 void
 792 ProcessorBox::cut_processors ()
 793 {
 794         ProcSelection to_be_removed;
 795         XMLNode* node = new XMLNode (X_("cut"));
 796
 797         get_selected_processors (to_be_removed);
 798
 799         if (to_be_removed.empty()) {
 800                 return;
 801         }
 802
 803         no_processor_redisplay = true;
 804         for (ProcSelection::iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
 805                 // Do not cut inserts
 806                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
 807                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
 808
 809                         void* gui = (*i)->get_gui ();
 810
 811                         if (gui) {
 812                                 static_cast<Gtk::Widget*>(gui)->hide ();
 813                         }
 814
 815                         XMLNode& child ((*i)->get_state());
 816
 817                         if (_route->remove_processor (*i) == 0) {
 818                                 /* success */
 819                                 node->add_child_nocopy (child);
 820                         } else {
 821                                 delete &child;
 822                         }
 823                 }
 824         }
 825
 826         _rr_selection.set (node);
 827
 828         no_processor_redisplay = false;
 829         redisplay_processors ();
 830 }
 831
 832 void
 833 ProcessorBox::copy_processors ()
 834 {
 835         ProcSelection to_be_copied;
 836         XMLNode* node = new XMLNode (X_("copy"));
 837
 838         get_selected_processors (to_be_copied);
 839
 840         if (to_be_copied.empty()) {
 841                 return;
 842         }
 843
 844         for (ProcSelection::iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
 845                 // Do not copy inserts
 846                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
 847                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
 848                         node->add_child_nocopy ((*i)->get_state());
 849                 }
 850         }
 851
 852         _rr_selection.set (node);
 853 }
 854
 855 void
 856 ProcessorBox::delete_processors ()
 857 {
 858         ProcSelection to_be_deleted;
 859
 860         get_selected_processors (to_be_deleted);
 861
 862         if (to_be_deleted.empty()) {
 863                 return;
 864         }
 865
 866         for (ProcSelection::iterator i = to_be_deleted.begin(); i != to_be_deleted.end(); ++i) {
 867
 868                 void* gui = (*i)->get_gui ();
 869
 870                 if (gui) {
 871                         static_cast<Gtk::Widget*>(gui)->hide ();
 872                 }
 873
 874                 _route->remove_processor(*i);
 875         }
 876
 877         no_processor_redisplay = false;
 878         redisplay_processors ();
 879 }
 880
 881 gint
 882 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
 883 {
 884         boost::shared_ptr<Processor> processor (weak_processor.lock());
 885
 886         if (!processor) {
 887                 return false;
 888         }
 889
 890         /* NOT copied to _mixer.selection() */
 891
 892         no_processor_redisplay = true;
 893         _route->remove_processor (processor);
 894         no_processor_redisplay = false;
 895         redisplay_processors ();
 896
 897         return false;
 898 }
 899
 900 void
 901 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
 902 {
 903         ArdourPrompter name_prompter (true);
 904         string result;
 905         name_prompter.set_prompt (_("rename processor"));
 906         name_prompter.set_initial_text (processor->name());
 907         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
 908         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 909         name_prompter.show_all ();
 910
 911         switch (name_prompter.run ()) {
 912
 913         case Gtk::RESPONSE_ACCEPT:
 914         name_prompter.get_result (result);
 915         if (result.length()) {
 916                         processor->set_name (result);
 917                 }
 918                 break;
 919         }
 920
 921         return;
 922 }
 923
 924 void
 925 ProcessorBox::paste_processors ()
 926 {
 927         if (_rr_selection.processors.empty()) {
 928                 return;
 929         }
 930
 931         cerr << "paste from node called " << _rr_selection.processors.get_node().name() << endl;
 932
 933         paste_processor_state (_rr_selection.processors.get_node().children());
 934 }
 935
 936 void
 937 ProcessorBox::paste_processor_state (const XMLNodeList& nlist)
 938 {
 939         XMLNodeConstIterator niter;
 940         list<boost::shared_ptr<Processor> > copies;
 941
 942         cerr << "Pasting processor selection containing " << nlist.size() << endl;
 943
 944         if (nlist.empty()) {
 945                 return;
 946         }
 947
 948         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 949                 cerr << "try using " << (*niter)->name() << endl;
 950                 XMLProperty const * type = (*niter)->property ("type");
 951                 assert (type);
 952
 953                 boost::shared_ptr<Processor> p;
 954                 try {
 955                         if (type->value() == "send") {
 956                                 XMLNode n (**niter);
 957                                 Send::make_unique (n, _session);
 958                                 p.reset (new Send (_session, n));
 959
 960                         } else if (type->value() == "meter") {
 961                                 p = _route->shared_peak_meter();
 962
 963                         } else {
 964                                 p.reset (new PluginInsert (_session, **niter));
 965                         }
 966
 967                         copies.push_back (p);
 968                 }
 969                 catch (...) {
 970                         cerr << "plugin insert constructor failed\n";
 971                 }
 972         }
 973
 974         if (_route->add_processors (copies, 0, _placement)) {
 975
 976                 string msg = _(
 977                         "Copying the set of processors on the clipboard failed,\n\
 978 probably because the I/O configuration of the plugins\n\
 979 could not match the configuration of this track.");
 980                 MessageDialog am (msg);
 981                 am.run ();
 982         }
 983 }
 984
 985 void
 986 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
 987 {
 988         r->activate ();
 989 }
 990
 991 void
 992 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
 993 {
 994         r->deactivate ();
 995 }
 996
 997 void
 998 ProcessorBox::get_selected_processors (ProcSelection& processors)
 999 {
1000     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
1001
1002     for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1003             processors.push_back ((*(model->get_iter(*iter)))[columns.processor]);
1004     }
1005 }
1006
1007 void
1008 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1009 {
1010     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
1011
1012         for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1013                 boost::shared_ptr<Processor> processor = (*(model->get_iter(*iter)))[columns.processor];
1014                 (this->*method)(processor);
1015         }
1016 }
1017
1018 void
1019 ProcessorBox::all_processors_active (bool state)
1020 {
1021         _route->all_processors_active (_placement, state);
1022 }
1023
1024 void
1025 ProcessorBox::ab_plugins ()
1026 {
1027         _route->ab_plugins (ab_direction);
1028         ab_direction = !ab_direction;
1029 }
1030
1031
1032 void
1033 ProcessorBox::clear_processors ()
1034 {
1035         string prompt;
1036         vector<string> choices;
1037
1038         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1039                 if (_placement == PreFader) {
1040                         prompt = _("Do you really want to remove all pre-fader processors from this track?\n"
1041                                    "(this cannot be undone)");
1042                 } else {
1043                         prompt = _("Do you really want to remove all post-fader processors from this track?\n"
1044                                    "(this cannot be undone)");
1045                 }
1046         } else {
1047                 if (_placement == PreFader) {
1048                         prompt = _("Do you really want to remove all pre-fader processors from this bus?\n"
1049                                    "(this cannot be undone)");
1050                 } else {
1051                         prompt = _("Do you really want to remove all post-fader processors from this bus?\n"
1052                                    "(this cannot be undone)");
1053                 }
1054         }
1055
1056         choices.push_back (_("Cancel"));
1057         choices.push_back (_("Yes, remove them all"));
1058
1059         Gtkmm2ext::Choice prompter (prompt, choices);
1060
1061         if (prompter.run () == 1) {
1062                 _route->clear_processors (_placement);
1063         }
1064 }
1065
1066 void
1067 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
1068 {
1069         boost::shared_ptr<Send> send;
1070         boost::shared_ptr<PluginInsert> plugin_insert;
1071         boost::shared_ptr<PortInsert> port_insert;
1072         Window* gidget = 0;
1073
1074         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1075
1076                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1077                         return;
1078                 }
1079         }
1080
1081         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1082
1083                 if (!_session.engine().connected()) {
1084                         return;
1085                 }
1086
1087                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1088
1089                 SendUIWindow *send_ui;
1090
1091                 if (send->get_gui() == 0) {
1092
1093                         send_ui = new SendUIWindow (send, _session);
1094
1095                         WindowTitle title(Glib::get_application_name());
1096                         title += send->name();
1097                         send_ui->set_title (title.get_string());
1098
1099                         send->set_gui (send_ui);
1100
1101                 } else {
1102                         send_ui = reinterpret_cast<SendUIWindow *> (send->get_gui());
1103                 }
1104
1105                 gidget = send_ui;
1106
1107         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1108
1109                 PluginUIWindow *plugin_ui;
1110
1111                 /* these are both allowed to be null */
1112
1113                 Container* toplevel = get_toplevel();
1114                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1115
1116                 if (plugin_insert->get_gui() == 0) {
1117
1118                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1119
1120                         WindowTitle title(Glib::get_application_name());
1121                         title += generate_processor_title (plugin_insert);
1122                         plugin_ui->set_title (title.get_string());
1123
1124                         plugin_insert->set_gui (plugin_ui);
1125
1126                 } else {
1127                         plugin_ui = reinterpret_cast<PluginUIWindow *> (plugin_insert->get_gui());
1128                         plugin_ui->set_parent (win);
1129                 }
1130
1131                 gidget = plugin_ui;
1132
1133         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1134
1135                 if (!_session.engine().connected()) {
1136                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1137                         msg.run ();
1138                         return;
1139                 }
1140
1141                 PortInsertWindow *io_selector;
1142
1143                 if (port_insert->get_gui() == 0) {
1144                         io_selector = new PortInsertWindow (_session, port_insert);
1145                         port_insert->set_gui (io_selector);
1146
1147                 } else {
1148                         io_selector = reinterpret_cast<PortInsertWindow *> (port_insert->get_gui());
1149                 }
1150
1151                 gidget = io_selector;
1152         }
1153
1154         if (gidget) {
1155                 if (gidget->is_visible()) {
1156                         gidget->get_window()->raise ();
1157                 } else {
1158                         gidget->show_all ();
1159                         gidget->present ();
1160                 }
1161         }
1162 }
1163
1164 bool
1165 ProcessorBox::enter_box (GdkEventCrossing *ev, ProcessorBox* rb)
1166 {
1167         switch (ev->detail) {
1168         case GDK_NOTIFY_INFERIOR:
1169                 break;
1170
1171         case GDK_NOTIFY_VIRTUAL:
1172                 /* fallthru */
1173
1174         default:
1175                 _current_processor_box = rb;
1176         }
1177
1178         return false;
1179 }
1180
1181 void
1182 ProcessorBox::register_actions ()
1183 {
1184         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("processormenu"));
1185         Glib::RefPtr<Action> act;
1186
1187         /* new stuff */
1188         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
1189                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1190
1191         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
1192                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1193         ActionManager::jack_sensitive_actions.push_back (act);
1194         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),
1195                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
1196         ActionManager::jack_sensitive_actions.push_back (act);
1197
1198         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear"),
1199                         sigc::ptr_fun (ProcessorBox::rb_clear));
1200
1201         /* standard editing stuff */
1202         act = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
1203                         sigc::ptr_fun (ProcessorBox::rb_cut));
1204         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1205         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
1206                         sigc::ptr_fun (ProcessorBox::rb_copy));
1207         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1208
1209         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
1210                         sigc::ptr_fun (ProcessorBox::rb_delete));
1211         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1212
1213         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
1214                         sigc::ptr_fun (ProcessorBox::rb_paste));
1215         act = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
1216                         sigc::ptr_fun (ProcessorBox::rb_rename));
1217         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1218         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
1219                         sigc::ptr_fun (ProcessorBox::rb_select_all));
1220         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
1221                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1222
1223         /* activation */
1224         act = ActionManager::register_action (popup_act_grp, X_("activate"), _("Activate"),
1225                         sigc::ptr_fun (ProcessorBox::rb_activate));
1226         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1227         act = ActionManager::register_action (popup_act_grp, X_("deactivate"), _("Deactivate"),
1228                         sigc::ptr_fun (ProcessorBox::rb_deactivate));
1229         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1230         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),
1231                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
1232         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),
1233                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1234
1235         /* show editors */
1236         act = ActionManager::register_action (popup_act_grp, X_("edit"), _("Edit"),
1237                         sigc::ptr_fun (ProcessorBox::rb_edit));
1238         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1239
1240         ActionManager::add_action_group (popup_act_grp);
1241 }
1242
1243 void
1244 ProcessorBox::rb_choose_plugin ()
1245 {
1246         if (_current_processor_box == 0) {
1247                 return;
1248         }
1249         _current_processor_box->choose_plugin ();
1250 }
1251
1252 void
1253 ProcessorBox::rb_choose_insert ()
1254 {
1255         if (_current_processor_box == 0) {
1256                 return;
1257         }
1258         _current_processor_box->choose_insert ();
1259 }
1260
1261 void
1262 ProcessorBox::rb_choose_send ()
1263 {
1264         if (_current_processor_box == 0) {
1265                 return;
1266         }
1267         _current_processor_box->choose_send ();
1268 }
1269
1270 void
1271 ProcessorBox::rb_clear ()
1272 {
1273         if (_current_processor_box == 0) {
1274                 return;
1275         }
1276
1277         _current_processor_box->clear_processors ();
1278 }
1279
1280 void
1281 ProcessorBox::rb_cut ()
1282 {
1283         if (_current_processor_box == 0) {
1284                 return;
1285         }
1286
1287         _current_processor_box->cut_processors ();
1288 }
1289
1290 void
1291 ProcessorBox::rb_delete ()
1292 {
1293         if (_current_processor_box == 0) {
1294                 return;
1295         }
1296
1297         _current_processor_box->delete_processors ();
1298 }
1299
1300 void
1301 ProcessorBox::rb_copy ()
1302 {
1303         if (_current_processor_box == 0) {
1304                 return;
1305         }
1306         _current_processor_box->copy_processors ();
1307 }
1308
1309 void
1310 ProcessorBox::rb_paste ()
1311 {
1312         if (_current_processor_box == 0) {
1313                 return;
1314         }
1315
1316         _current_processor_box->paste_processors ();
1317 }
1318
1319 void
1320 ProcessorBox::rb_rename ()
1321 {
1322         if (_current_processor_box == 0) {
1323                 return;
1324         }
1325         _current_processor_box->rename_processors ();
1326 }
1327
1328 void
1329 ProcessorBox::rb_select_all ()
1330 {
1331         if (_current_processor_box == 0) {
1332                 return;
1333         }
1334
1335         _current_processor_box->select_all_processors ();
1336 }
1337
1338 void
1339 ProcessorBox::rb_deselect_all ()
1340 {
1341         if (_current_processor_box == 0) {
1342                 return;
1343         }
1344
1345         _current_processor_box->deselect_all_processors ();
1346 }
1347
1348 void
1349 ProcessorBox::rb_activate ()
1350 {
1351         if (_current_processor_box == 0) {
1352                 return;
1353         }
1354
1355         _current_processor_box->for_selected_processors (&ProcessorBox::activate_processor);
1356 }
1357
1358 void
1359 ProcessorBox::rb_deactivate ()
1360 {
1361         if (_current_processor_box == 0) {
1362                 return;
1363         }
1364         _current_processor_box->for_selected_processors (&ProcessorBox::deactivate_processor);
1365 }
1366
1367 void
1368 ProcessorBox::rb_activate_all ()
1369 {
1370         if (_current_processor_box == 0) {
1371                 return;
1372         }
1373
1374         _current_processor_box->all_processors_active (true);
1375 }
1376
1377 void
1378 ProcessorBox::rb_deactivate_all ()
1379 {
1380         if (_current_processor_box == 0) {
1381                 return;
1382         }
1383         _current_processor_box->all_processors_active (false);
1384 }
1385
1386 void
1387 ProcessorBox::rb_edit ()
1388 {
1389         if (_current_processor_box == 0) {
1390                 return;
1391         }
1392
1393         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
1394 }
1395
1396 void
1397 ProcessorBox::route_name_changed ()
1398 {
1399         ENSURE_GUI_THREAD (mem_fun (*this, &ProcessorBox::route_name_changed));
1400
1401         boost::shared_ptr<Processor> processor;
1402         boost::shared_ptr<PluginInsert> plugin_insert;
1403         boost::shared_ptr<Send> send;
1404
1405         Gtk::TreeModel::Children children = model->children();
1406
1407         for (Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
1408                 Gtk::TreeModel::Row row = *iter;
1409
1410                 processor= row[columns.processor];
1411
1412                 void* gui = processor->get_gui();
1413
1414                 if (!gui) {
1415                         continue;
1416                 }
1417
1418                 /* rename editor windows for sends and plugins */
1419
1420                 WindowTitle title (Glib::get_application_name());
1421
1422                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1423                         title += send->name();
1424                         static_cast<Window*>(gui)->set_title (title.get_string());
1425                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1426                         title += generate_processor_title (plugin_insert);
1427                         static_cast<Window*>(gui)->set_title (title.get_string());
1428                 }
1429         }
1430 }
1431
1432 string
1433 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
1434 {
1435         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
1436         string::size_type email_pos;
1437
1438         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
1439                 maker = maker.substr (0, email_pos - 1);
1440         }
1441
1442         if (maker.length() > 32) {
1443                 maker = maker.substr (0, 32);
1444                 maker += " ...";
1445         }
1446
1447         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
1448 }
1449