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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <cmath>
  25 #include <iostream>
  26 #include <set>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include "pbd/convert.h"
  31
  32 #include <glibmm/miscutils.h>
  33
  34 #include <gtkmm/messagedialog.h>
  35
  36 #include <gtkmm2ext/gtk_ui.h>
  37 #include <gtkmm2ext/utils.h>
  38 #include <gtkmm2ext/choice.h>
  39 #include <gtkmm2ext/utils.h>
  40 #include <gtkmm2ext/doi.h>
  41
  42 #include "ardour/amp.h"
  43 #include "ardour/ardour.h"
  44 #include "ardour/audio_track.h"
  45 #include "ardour/audioengine.h"
  46 #include "ardour/internal_send.h"
  47 #include "ardour/internal_return.h"
  48 #include "ardour/ladspa_plugin.h"
  49 #include "ardour/meter.h"
  50 #include "ardour/plugin_insert.h"
  51 #include "ardour/port_insert.h"
  52 #include "ardour/profile.h"
  53 #include "ardour/return.h"
  54 #include "ardour/route.h"
  55 #include "ardour/send.h"
  56 #include "ardour/session.h"
  57 #include "ardour/dB.h"
  58
  59 #include "actions.h"
  60 #include "ardour_dialog.h"
  61 #include "ardour_ui.h"
  62 #include "gui_thread.h"
  63 #include "io_selector.h"
  64 #include "keyboard.h"
  65 #include "mixer_ui.h"
  66 #include "mixer_strip.h"
  67 #include "plugin_selector.h"
  68 #include "plugin_ui.h"
  69 #include "port_insert_ui.h"
  70 #include "processor_box.h"
  71 #include "public_editor.h"
  72 #include "return_ui.h"
  73 #include "route_processor_selection.h"
  74 #include "send_ui.h"
  75 #include "utils.h"
  76
  77 #include "i18n.h"
  78
  79 #ifdef HAVE_AUDIOUNITS
  80 class AUPluginUI;
  81 #endif
  82
  83 using namespace std;
  84 using namespace ARDOUR;
  85 using namespace PBD;
  86 using namespace Gtk;
  87 using namespace Glib;
  88 using namespace Gtkmm2ext;
  89
  90 ProcessorBox* ProcessorBox::_current_processor_box = 0;
  91 RefPtr<Action> ProcessorBox::paste_action;
  92 RefPtr<Action> ProcessorBox::cut_action;
  93 RefPtr<Action> ProcessorBox::rename_action;
  94 RefPtr<Action> ProcessorBox::edit_action;
  95 Glib::RefPtr<Gdk::Pixbuf> SendProcessorEntry::_slider;
  96
  97 ProcessorEntry::ProcessorEntry (boost::shared_ptr<Processor> p, Width w)
  98         : _position (PreFader)
  99         , _processor (p)
 100         , _width (w)
 101         , _visual_state (Gtk::STATE_NORMAL)
 102 {
 103         _hbox.pack_start (_active, false, false);
 104         _event_box.add (_name);
 105         _hbox.pack_start (_event_box, true, true);
 106         _vbox.pack_start (_hbox);
 107         _frame.add (_vbox);
 108
 109         /* without this, the border is mis-drawn on some systems */
 110         _vbox.set_border_width (1);
 111
 112         _name.set_alignment (0, 0.5);
 113         _name.set_text (name ());
 114         _name.set_padding (2, 2);
 115
 116         if (boost::dynamic_pointer_cast<Amp> (p)) {
 117                 /* Fader processor gets a special look */
 118                 _event_box.set_name ("ProcessorFader");
 119                 _frame.set_name ("ProcessorFaderFrame");
 120                 _name.set_padding (2, 4);
 121         }
 122
 123         _active.set_active (_processor->active ());
 124         _active.signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::active_toggled));
 125
 126         _frame.show ();
 127         _vbox.show ();
 128         _hbox.show ();
 129         _event_box.show ();
 130         _name.show ();
 131         _active.show ();
 132
 133         _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
 134         _processor->PropertyChanged.connect (name_connection, invalidator (*this), ui_bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
 135 }
 136
 137 EventBox&
 138 ProcessorEntry::action_widget ()
 139 {
 140         return _event_box;
 141 }
 142
 143 Gtk::Widget&
 144 ProcessorEntry::widget ()
 145 {
 146         return _frame;
 147 }
 148
 149 string
 150 ProcessorEntry::drag_text () const
 151 {
 152         return name ();
 153 }
 154
 155 void
 156 ProcessorEntry::set_visual_state (Gtk::StateType t)
 157 {
 158         _visual_state = t;
 159         setup_visuals ();
 160 }
 161
 162 void
 163 ProcessorEntry::set_position (Position p)
 164 {
 165         _position = p;
 166         setup_visuals ();
 167 }
 168
 169 void
 170 ProcessorEntry::setup_visuals ()
 171 {
 172         switch (_position) {
 173         case PreFader:
 174                 _event_box.set_name ("ProcessorPreFader");
 175                 if (_visual_state == Gtk::STATE_NORMAL) {
 176                         _frame.set_name ("ProcessorPreFaderFrame");
 177                 }
 178                 break;
 179
 180         case Fader:
 181                 _event_box.set_name ("ProcessorFader");
 182                 if (_visual_state == Gtk::STATE_NORMAL) {
 183                         _frame.set_name ("ProcessorFaderFrame");
 184                 }
 185                 break;
 186
 187         case PostFader:
 188                 _event_box.set_name ("ProcessorPostFader");
 189                 if (_visual_state == Gtk::STATE_NORMAL) {
 190                         _frame.set_name ("ProcessorPostFaderFrame");
 191                 }
 192                 break;
 193         }
 194
 195         switch (_visual_state) {
 196         case Gtk::STATE_NORMAL:
 197                 /* _frame has been set up above */
 198                 _event_box.set_state (Gtk::STATE_NORMAL);
 199                 break;
 200         case Gtk::STATE_SELECTED:
 201                 _frame.set_name ("ProcessorFrameSelected");
 202                 /* don't change the background of the box when it is selected */
 203                 _event_box.set_state (Gtk::STATE_NORMAL);
 204                 break;
 205         case Gtk::STATE_ACTIVE:
 206                 _frame.set_name ("ProcessorFrameActiveSend");
 207                 _event_box.set_state (Gtk::STATE_ACTIVE);
 208                 break;
 209         default:
 210                 break;
 211         }
 212 }
 213
 214
 215 boost::shared_ptr<Processor>
 216 ProcessorEntry::processor () const
 217 {
 218         return _processor;
 219 }
 220
 221 void
 222 ProcessorEntry::set_enum_width (Width w)
 223 {
 224         _width = w;
 225 }
 226
 227 void
 228 ProcessorEntry::active_toggled ()
 229 {
 230         if (_active.get_active ()) {
 231                 if (!_processor->active ()) {
 232                         _processor->activate ();
 233                 }
 234         } else {
 235                 if (_processor->active ()) {
 236                         _processor->deactivate ();
 237                 }
 238         }
 239 }
 240
 241 void
 242 ProcessorEntry::processor_active_changed ()
 243 {
 244         if (_active.get_active () != _processor->active ()) {
 245                 _active.set_active (_processor->active ());
 246         }
 247 }
 248
 249 void
 250 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
 251 {
 252         if (what_changed.contains (ARDOUR::Properties::name)) {
 253                 _name.set_text (name ());
 254         }
 255 }
 256
 257 string
 258 ProcessorEntry::name () const
 259 {
 260         boost::shared_ptr<Send> send;
 261         string name_display;
 262
 263         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
 264             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 265
 266                 name_display += '>';
 267
 268                 /* grab the send name out of its overall name */
 269
 270                 string::size_type lbracket, rbracket;
 271                 lbracket = send->name().find ('[');
 272                 rbracket = send->name().find (']');
 273
 274                 switch (_width) {
 275                 case Wide:
 276                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
 277                         break;
 278                 case Narrow:
 279                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
 280                         break;
 281                 }
 282
 283         } else {
 284
 285                 switch (_width) {
 286                 case Wide:
 287                         name_display += _processor->display_name();
 288                         break;
 289                 case Narrow:
 290                         name_display += PBD::short_version (_processor->display_name(), 5);
 291                         break;
 292                 }
 293
 294         }
 295
 296         return name_display;
 297 }
 298
 299 SendProcessorEntry::SendProcessorEntry (boost::shared_ptr<Send> s, Width w)
 300         : ProcessorEntry (s, w),
 301           _send (s),
 302           /* set the adjustment to a gain of 0dB so that the fader's default value is right */
 303           _adjustment (0.781787, 0, 1, 0.01, 0.1),
 304           _fader (_slider, &_adjustment, 0, false),
 305           _ignore_gain_change (false)
 306 {
 307         _fader.set_name ("SendFader");
 308         _fader.set_controllable (_send->amp()->gain_control ());
 309         _vbox.pack_start (_fader);
 310
 311         _fader.show ();
 312
 313         _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &SendProcessorEntry::gain_adjusted));
 314         _send->amp()->gain_control()->Changed.connect (send_gain_connection, invalidator (*this), boost::bind (&SendProcessorEntry::show_gain, this), gui_context());
 315         show_gain ();
 316 }
 317
 318 void
 319 SendProcessorEntry::setup_slider_pix ()
 320 {
 321         _slider = ::get_icon ("fader_belt_h_thin");
 322         assert (_slider);
 323 }
 324
 325 void
 326 SendProcessorEntry::show_gain ()
 327 {
 328         ENSURE_GUI_THREAD (*this, &SendProcessorEntry::show_gain)
 329
 330         float const value = gain_to_slider_position (_send->amp()->gain ());
 331
 332         if (_adjustment.get_value() != value) {
 333                 _ignore_gain_change = true;
 334                 _adjustment.set_value (value);
 335                 _ignore_gain_change = false;
 336
 337                 stringstream s;
 338                 s.precision (1);
 339                 s.setf (ios::fixed, ios::floatfield);
 340                 s << accurate_coefficient_to_dB (_send->amp()->gain ()) << _("dB");
 341                 _fader.set_tooltip_text (s.str ());
 342         }
 343 }
 344
 345 void
 346 SendProcessorEntry::gain_adjusted ()
 347 {
 348         if (_ignore_gain_change) {
 349                 return;
 350         }
 351
 352         _send->amp()->set_gain (slider_position_to_gain (_adjustment.get_value()), this);
 353 }
 354
 355 void
 356 SendProcessorEntry::set_pixel_width (int p)
 357 {
 358         _fader.set_fader_length (p);
 359 }
 360
 361 PluginInsertProcessorEntry::PluginInsertProcessorEntry (boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
 362         : ProcessorEntry (p, w)
 363         , _plugin_insert (p)
 364 {
 365         p->SplittingChanged.connect (
 366                 _splitting_connection, invalidator (*this), ui_bind (&PluginInsertProcessorEntry::plugin_insert_splitting_changed, this), gui_context()
 367                 );
 368
 369         _splitting_icon.set_size_request (-1, 12);
 370
 371         _vbox.pack_start (_splitting_icon);
 372         _vbox.reorder_child (_splitting_icon, 0);
 373
 374         plugin_insert_splitting_changed ();
 375 }
 376
 377 void
 378 PluginInsertProcessorEntry::plugin_insert_splitting_changed ()
 379 {
 380         if (_plugin_insert->splitting ()) {
 381                 _splitting_icon.show ();
 382         } else {
 383                 _splitting_icon.hide ();
 384         }
 385 }
 386
 387 void
 388 PluginInsertProcessorEntry::hide_things ()
 389 {
 390         plugin_insert_splitting_changed ();
 391 }
 392
 393 void
 394 PluginInsertProcessorEntry::setup_visuals ()
 395 {
 396         switch (_position) {
 397         case PreFader:
 398                 _splitting_icon.set_name ("ProcessorPreFader");
 399                 break;
 400
 401         case Fader:
 402                 _splitting_icon.set_name ("ProcessorFader");
 403                 break;
 404
 405         case PostFader:
 406                 _splitting_icon.set_name ("ProcessorPostFader");
 407                 break;
 408         }
 409
 410         ProcessorEntry::setup_visuals ();
 411 }
 412
 413 bool
 414 PluginInsertProcessorEntry::SplittingIcon::on_expose_event (GdkEventExpose* ev)
 415 {
 416         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
 417
 418         cairo_set_line_width (cr, 1);
 419
 420         double const width = ev->area.width;
 421         double const height = ev->area.height;
 422
 423         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
 424         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
 425
 426         cairo_rectangle (cr, 0, 0, width, height);
 427         cairo_fill (cr);
 428
 429         Gdk::Color const fg = get_style()->get_fg (STATE_NORMAL);
 430         cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
 431
 432         cairo_move_to (cr, width * 0.3, height);
 433         cairo_line_to (cr, width * 0.3, height * 0.5);
 434         cairo_line_to (cr, width * 0.7, height * 0.5);
 435         cairo_line_to (cr, width * 0.7, height);
 436         cairo_move_to (cr, width * 0.5, height * 0.5);
 437         cairo_line_to (cr, width * 0.5, 0);
 438         cairo_stroke (cr);
 439
 440         return true;
 441 }
 442
 443 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
 444                             RouteRedirectSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
 445         : _parent_strip (parent)
 446         , _owner_is_mixer (owner_is_mixer)
 447         , ab_direction (true)
 448         , _get_plugin_selector (get_plugin_selector)
 449         , _placement(PreFader)
 450         , _rr_selection(rsel)
 451 {
 452         set_session (sess);
 453
 454         _width = Wide;
 455         processor_menu = 0;
 456         send_action_menu = 0;
 457         no_processor_redisplay = false;
 458
 459         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 460         processor_scroller.add (processor_display);
 461         pack_start (processor_scroller, true, true);
 462
 463         processor_display.set_flags (CAN_FOCUS);
 464         processor_display.set_name ("ProcessorList");
 465         processor_display.set_size_request (48, -1);
 466         processor_display.set_data ("processorbox", this);
 467         processor_display.set_spacing (2);
 468
 469         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
 470         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
 471
 472         processor_display.signal_key_press_event().connect (sigc::mem_fun(*this, &ProcessorBox::processor_key_press_event));
 473         processor_display.signal_key_release_event().connect (sigc::mem_fun(*this, &ProcessorBox::processor_key_release_event));
 474
 475         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
 476         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
 477
 478         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
 479         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
 480         processor_display.SelectionChanged.connect (sigc::mem_fun (*this, &ProcessorBox::selection_changed));
 481
 482         processor_scroller.show ();
 483         processor_display.show ();
 484
 485         if (parent) {
 486                 parent->DeliveryChanged.connect (
 487                         _mixer_strip_connections, invalidator (*this), ui_bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
 488                         );
 489         }
 490 }
 491
 492 ProcessorBox::~ProcessorBox ()
 493 {
 494 }
 495
 496 void
 497 ProcessorBox::set_route (boost::shared_ptr<Route> r)
 498 {
 499         if (_route == r) {
 500                 return;
 501         }
 502
 503         _route_connections.drop_connections();
 504
 505         /* new route: any existing block on processor redisplay must be meaningless */
 506         no_processor_redisplay = false;
 507         _route = r;
 508
 509         _route->processors_changed.connect (
 510                 _route_connections, invalidator (*this), ui_bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
 511                 );
 512
 513         _route->DropReferences.connect (
 514                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
 515                 );
 516
 517         _route->PropertyChanged.connect (
 518                 _route_connections, invalidator (*this), ui_bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
 519                 );
 520
 521         redisplay_processors ();
 522 }
 523
 524 void
 525 ProcessorBox::route_going_away ()
 526 {
 527         /* don't keep updating display as processors are deleted */
 528         no_processor_redisplay = true;
 529 }
 530
 531 void
 532 ProcessorBox::object_drop(DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
 533 {
 534         boost::shared_ptr<Processor> p;
 535         if (position) {
 536                 p = position->processor ();
 537         }
 538
 539         list<ProcessorEntry*> children = source->selection ();
 540         list<boost::shared_ptr<Processor> > procs;
 541         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
 542                 procs.push_back ((*i)->processor ());
 543         }
 544
 545         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
 546                 XMLNode& state = (*i)->get_state ();
 547                 XMLNodeList nlist;
 548                 nlist.push_back (&state);
 549                 paste_processor_state (nlist, p);
 550                 delete &state;
 551         }
 552
 553         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
 554            ourselves.
 555         */
 556
 557         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
 558                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
 559                 if (other) {
 560                         cerr << "source was another processor box, delete the selected items\n";
 561                         other->delete_dragged_processors (procs);
 562                 }
 563         }
 564 }
 565
 566 void
 567 ProcessorBox::update()
 568 {
 569         redisplay_processors ();
 570 }
 571
 572 void
 573 ProcessorBox::set_width (Width w)
 574 {
 575         if (_width == w) {
 576                 return;
 577         }
 578
 579         _width = w;
 580
 581         list<ProcessorEntry*> children = processor_display.children ();
 582         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
 583                 (*i)->set_enum_width (w);
 584         }
 585
 586         redisplay_processors ();
 587 }
 588
 589 void
 590 ProcessorBox::build_send_action_menu ()
 591 {
 592         using namespace Menu_Helpers;
 593
 594         send_action_menu = new Menu;
 595         send_action_menu->set_name ("ArdourContextMenu");
 596         MenuList& items = send_action_menu->items();
 597
 598         items.push_back (MenuElem (_("New send"), sigc::mem_fun(*this, &ProcessorBox::new_send)));
 599         items.push_back (MenuElem (_("Show send controls"), sigc::mem_fun(*this, &ProcessorBox::show_send_controls)));
 600 }
 601
 602 Gtk::Menu*
 603 ProcessorBox::build_possible_aux_menu ()
 604 {
 605         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
 606
 607         if (rl->empty()) {
 608                 return 0;
 609         }
 610
 611         using namespace Menu_Helpers;
 612         Menu* menu = manage (new Menu);
 613         MenuList& items = menu->items();
 614
 615         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
 616                 if (!_route->internal_send_for (*r) && *r != _route) {
 617                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
 618                 }
 619         }
 620
 621         return menu;
 622 }
 623
 624 void
 625 ProcessorBox::show_send_controls ()
 626 {
 627 }
 628
 629 void
 630 ProcessorBox::new_send ()
 631 {
 632 }
 633
 634 void
 635 ProcessorBox::show_processor_menu (gint arg)
 636 {
 637         if (processor_menu == 0) {
 638                 processor_menu = build_processor_menu ();
 639         }
 640
 641         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/processormenu/newplugin"));
 642
 643         if (plugin_menu_item) {
 644                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
 645         }
 646
 647         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/processormenu/newaux"));
 648
 649         if (aux_menu_item) {
 650                 Menu* m = build_possible_aux_menu();
 651                 if (m && !m->items().empty()) {
 652                         aux_menu_item->set_submenu (*m);
 653                         aux_menu_item->set_sensitive (true);
 654                 } else {
 655                         /* stupid gtkmm: we need to pass a null reference here */
 656                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
 657                         aux_menu_item->set_sensitive (false);
 658                 }
 659         }
 660
 661         cut_action->set_sensitive (can_cut());
 662         paste_action->set_sensitive (!_rr_selection.processors.empty());
 663
 664         processor_menu->popup (1, arg);
 665 }
 666
 667 bool
 668 ProcessorBox::enter_notify (GdkEventCrossing*)
 669 {
 670         _current_processor_box = this;
 671         Keyboard::magic_widget_grab_focus ();
 672         processor_display.grab_focus ();
 673
 674         return false;
 675 }
 676
 677 bool
 678 ProcessorBox::leave_notify (GdkEventCrossing* ev)
 679 {
 680         switch (ev->detail) {
 681         case GDK_NOTIFY_INFERIOR:
 682                 break;
 683         default:
 684                 Keyboard::magic_widget_drop_focus ();
 685         }
 686
 687         return false;
 688 }
 689
 690 bool
 691 ProcessorBox::processor_key_press_event (GdkEventKey *)
 692 {
 693         /* do real stuff on key release */
 694         return false;
 695 }
 696
 697 bool
 698 ProcessorBox::processor_key_release_event (GdkEventKey *ev)
 699 {
 700         bool ret = false;
 701         ProcSelection targets;
 702
 703         get_selected_processors (targets);
 704
 705         if (targets.empty()) {
 706
 707                 int x, y;
 708                 processor_display.get_pointer (x, y);
 709
 710                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
 711
 712                 if (pointer.first) {
 713                         targets.push_back (pointer.first->processor ());
 714                 }
 715         }
 716
 717
 718         switch (ev->keyval) {
 719         case GDK_a:
 720                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 721                         processor_display.select_all ();
 722                         ret = true;
 723                 }
 724                 break;
 725
 726         case GDK_c:
 727                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 728                         copy_processors (targets);
 729                         ret = true;
 730                 }
 731                 break;
 732
 733         case GDK_x:
 734                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 735                         cut_processors (targets);
 736                         ret = true;
 737                 }
 738                 break;
 739
 740         case GDK_v:
 741                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 742                         if (targets.empty()) {
 743                                 paste_processors ();
 744                         } else {
 745                                 paste_processors (targets.front());
 746                         }
 747                         ret = true;
 748                 }
 749                 break;
 750
 751         case GDK_Up:
 752                 break;
 753
 754         case GDK_Down:
 755                 break;
 756
 757         case GDK_Delete:
 758         case GDK_BackSpace:
 759                 delete_processors (targets);
 760                 ret = true;
 761                 break;
 762
 763         case GDK_Return:
 764                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
 765                         if ((*i)->active()) {
 766                                 (*i)->deactivate ();
 767                         } else {
 768                                 (*i)->activate ();
 769                         }
 770                 }
 771                 ret = true;
 772                 break;
 773
 774         case GDK_slash:
 775                 ab_plugins ();
 776                 ret = true;
 777                 break;
 778
 779         default:
 780                 break;
 781         }
 782
 783         return ret;
 784 }
 785
 786 bool
 787 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
 788 {
 789         boost::shared_ptr<Processor> processor;
 790         if (child) {
 791                 processor = child->processor ();
 792         }
 793
 794         int ret = false;
 795         bool selected = processor_display.selected (child);
 796
 797         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
 798
 799                 if (_session->engine().connected()) {
 800                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
 801                         toggle_edit_processor (processor);
 802                 }
 803                 ret = true;
 804
 805         } else if (processor && ev->button == 1 && selected) {
 806
 807                 // this is purely informational but necessary for route params UI
 808                 ProcessorSelected (processor); // emit
 809
 810         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
 811
 812                 choose_plugin ();
 813                 _get_plugin_selector()->show_manager ();
 814         }
 815
 816         return ret;
 817 }
 818
 819 bool
 820 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
 821 {
 822         boost::shared_ptr<Processor> processor;
 823         if (child) {
 824                 processor = child->processor ();
 825         }
 826
 827         int ret = false;
 828
 829         if (processor && Keyboard::is_delete_event (ev)) {
 830
 831                 Glib::signal_idle().connect (sigc::bind (
 832                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
 833                                 boost::weak_ptr<Processor>(processor)));
 834                 ret = true;
 835
 836         } else if (Keyboard::is_context_menu_event (ev)) {
 837
 838                 /* figure out if we are above or below the fader/amp processor,
 839                    and set the next insert position appropriately.
 840                 */
 841
 842                 if (processor) {
 843                         if (_route->processor_is_prefader (processor)) {
 844                                 _placement = PreFader;
 845                         } else {
 846                                 _placement = PostFader;
 847                         }
 848                 } else {
 849                         _placement = PostFader;
 850                 }
 851
 852                 show_processor_menu (ev->time);
 853                 ret = true;
 854
 855         } else if (processor && Keyboard::is_button2_event (ev)
 856 #ifndef GTKOSX
 857                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
 858 #endif
 859                 ) {
 860
 861                 /* button2-click with no/appropriate modifiers */
 862
 863                 if (processor->active()) {
 864                         processor->deactivate ();
 865                 } else {
 866                         processor->activate ();
 867                 }
 868                 ret = true;
 869
 870         }
 871
 872         return false;
 873 }
 874
 875 Menu *
 876 ProcessorBox::build_processor_menu ()
 877 {
 878         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/processormenu") );
 879         processor_menu->set_name ("ArdourContextMenu");
 880         return processor_menu;
 881 }
 882
 883 void
 884 ProcessorBox::selection_changed ()
 885 {
 886         bool const sensitive = (processor_display.selection().empty()) ? false : true;
 887         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, sensitive);
 888         edit_action->set_sensitive (one_processor_can_be_edited ());
 889
 890         /* disallow rename for multiple selections and for plugin inserts */
 891         rename_action->set_sensitive (
 892                 processor_display.selection().size() == 1 && boost::dynamic_pointer_cast<PluginInsert> (processor_display.selection().front()->processor()) == 0
 893                 );
 894 }
 895
 896 void
 897 ProcessorBox::select_all_processors ()
 898 {
 899         processor_display.select_all ();
 900 }
 901
 902 void
 903 ProcessorBox::deselect_all_processors ()
 904 {
 905         processor_display.select_none ();
 906 }
 907
 908 void
 909 ProcessorBox::choose_plugin ()
 910 {
 911         _get_plugin_selector()->set_interested_object (*this);
 912 }
 913
 914 /** @return true if an error occurred, otherwise false */
 915 bool
 916 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
 917 {
 918         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
 919
 920                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
 921
 922                 Route::ProcessorStreams err_streams;
 923
 924                 if (Config->get_new_plugins_active()) {
 925                         processor->activate ();
 926                 }
 927
 928                 if (_route->add_processor (processor, _placement, &err_streams)) {
 929                         weird_plugin_dialog (**p, err_streams);
 930                         return true;
 931                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
 932                 } else {
 933
 934                         if (Profile->get_sae()) {
 935                                 processor->activate ();
 936                         }
 937                 }
 938         }
 939
 940         return false;
 941 }
 942
 943 void
 944 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
 945 {
 946         ArdourDialog dialog (_("Plugin Incompatibility"));
 947         Label label;
 948
 949         string text = string_compose(_("You attempted to add the plugin \"%1\" at index %2.\n"),
 950                         p.name(), streams.index);
 951
 952         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
 953         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
 954
 955         text += _("\nThis plugin has:\n");
 956         if (has_midi) {
 957                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
 958                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
 959         }
 960         if (has_audio) {
 961                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
 962                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
 963         }
 964
 965         text += _("\nbut at the insertion point, there are:\n");
 966         if (has_midi) {
 967                 uint32_t const n = streams.count.n_midi ();
 968                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
 969         }
 970         if (has_audio) {
 971                 uint32_t const n = streams.count.n_audio ();
 972                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
 973         }
 974
 975         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
 976         label.set_text(text);
 977
 978         dialog.get_vbox()->pack_start (label);
 979         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 980
 981         dialog.set_name (X_("PluginIODialog"));
 982         dialog.set_position (Gtk::WIN_POS_MOUSE);
 983         dialog.set_modal (true);
 984         dialog.show_all ();
 985
 986         dialog.run ();
 987 }
 988
 989 void
 990 ProcessorBox::choose_insert ()
 991 {
 992         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
 993         _route->add_processor (processor, _placement);
 994 }
 995
 996 /* Caller must not hold process lock */
 997 void
 998 ProcessorBox::choose_send ()
 999 {
1000         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable(), _route->mute_master()));
1001
1002         /* make an educated guess at the initial number of outputs for the send */
1003         ChanCount outs = (_session->master_out())
1004                         ? _session->master_out()->n_outputs()
1005                         : _route->n_outputs();
1006
1007         /* XXX need processor lock on route */
1008         try {
1009                 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
1010                 send->output()->ensure_io (outs, false, this);
1011         } catch (AudioEngine::PortRegistrationFailure& err) {
1012                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
1013                 return;
1014         }
1015
1016         /* let the user adjust the IO setup before creation.
1017
1018            Note: this dialog is NOT modal - we just leave it to run and it will
1019            return when its Finished signal is emitted - typically when the window
1020            is closed.
1021          */
1022
1023         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
1024         ios->show ();
1025
1026         /* keep a reference to the send so it doesn't get deleted while
1027            the IOSelectorWindow is doing its stuff
1028         */
1029         _processor_being_created = send;
1030
1031         ios->selector().Finished.connect (sigc::bind (
1032                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1033                         boost::weak_ptr<Processor>(send), ios));
1034
1035 }
1036
1037 void
1038 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1039 {
1040         boost::shared_ptr<Processor> processor (weak_processor.lock());
1041
1042         /* drop our temporary reference to the new send */
1043         _processor_being_created.reset ();
1044
1045         if (!processor) {
1046                 return;
1047         }
1048
1049         switch (r) {
1050         case IOSelector::Cancelled:
1051                 // processor will go away when all shared_ptrs to it vanish
1052                 break;
1053
1054         case IOSelector::Accepted:
1055                 _route->add_processor (processor, _placement);
1056                 if (Profile->get_sae()) {
1057                         processor->activate ();
1058                 }
1059                 break;
1060         }
1061
1062         delete_when_idle (ios);
1063 }
1064
1065 void
1066 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1067 {
1068         boost::shared_ptr<Processor> processor (weak_processor.lock());
1069
1070         /* drop our temporary reference to the new return */
1071         _processor_being_created.reset ();
1072
1073         if (!processor) {
1074                 return;
1075         }
1076
1077         switch (r) {
1078         case IOSelector::Cancelled:
1079                 // processor will go away when all shared_ptrs to it vanish
1080                 break;
1081
1082         case IOSelector::Accepted:
1083                 _route->add_processor (processor, _placement);
1084                 if (Profile->get_sae()) {
1085                         processor->activate ();
1086                 }
1087                 break;
1088         }
1089
1090         delete_when_idle (ios);
1091 }
1092
1093 void
1094 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1095 {
1096         if (!_route) {
1097                 return;
1098         }
1099
1100         boost::shared_ptr<Route> target = wr.lock();
1101
1102         if (!target) {
1103                 return;
1104         }
1105
1106         boost::shared_ptr<RouteList> rlist (new RouteList);
1107         rlist->push_back (_route);
1108
1109         _session->add_internal_sends (target, PreFader, rlist);
1110 }
1111
1112 void
1113 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1114 {
1115         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1116                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1117                 return;
1118         }
1119
1120         redisplay_processors ();
1121 }
1122
1123 void
1124 ProcessorBox::redisplay_processors ()
1125 {
1126         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors)
1127
1128         if (no_processor_redisplay) {
1129                 return;
1130         }
1131
1132         processor_display.clear ();
1133
1134         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1135
1136         for (list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin(); i != _processor_window_proxies.end(); ++i) {
1137                 (*i)->marked = false;
1138         }
1139
1140         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1141
1142         /* trim dead wood from the processor window proxy list */
1143
1144         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin();
1145         while (i != _processor_window_proxies.end()) {
1146                 list<ProcessorWindowProxy*>::iterator j = i;
1147                 ++j;
1148
1149                 if (!(*i)->marked) {
1150                         ARDOUR_UI::instance()->remove_window_proxy (*i);
1151                         delete *i;
1152                         _processor_window_proxies.erase (i);
1153                 }
1154
1155                 i = j;
1156         }
1157
1158         setup_entry_positions ();
1159 }
1160
1161 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1162  *  not already have one.
1163  */
1164 void
1165 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1166 {
1167         boost::shared_ptr<Processor> p = w.lock ();
1168         if (!p) {
1169                 return;
1170         }
1171
1172         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
1173         while (i != _processor_window_proxies.end()) {
1174
1175                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
1176
1177                 if (p == t) {
1178                         /* this processor is already on the list; done */
1179                         (*i)->marked = true;
1180                         return;
1181                 }
1182
1183                 ++i;
1184         }
1185
1186         /* not on the list; add it */
1187
1188         string loc;
1189         if (_parent_strip) {
1190                 if (_parent_strip->mixer_owned()) {
1191                         loc = X_("M");
1192                 } else {
1193                         loc = X_("R");
1194                 }
1195         } else {
1196                 loc = X_("P");
1197         }
1198
1199         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1200                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1201                 _session->extra_xml (X_("UI")),
1202                 this,
1203                 w);
1204
1205         wp->marked = true;
1206
1207         /* if the processor already has an existing UI,
1208            note that so that we don't recreate it
1209         */
1210
1211         void* existing_ui = p->get_ui ();
1212
1213         if (existing_ui) {
1214                 wp->set (static_cast<Gtk::Window*>(existing_ui));
1215         }
1216
1217         _processor_window_proxies.push_back (wp);
1218         ARDOUR_UI::instance()->add_window_proxy (wp);
1219 }
1220
1221 void
1222 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1223 {
1224         boost::shared_ptr<Processor> processor (p.lock ());
1225
1226         if (!processor || !processor->display_to_user()) {
1227                 return;
1228         }
1229
1230         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1231         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1232         ProcessorEntry* e = 0;
1233         if (send) {
1234                 e = new SendProcessorEntry (send, _width);
1235         } else if (plugin_insert) {
1236                 e = new PluginInsertProcessorEntry (plugin_insert, _width);
1237         } else {
1238                 e = new ProcessorEntry (processor, _width);
1239         }
1240
1241         e->set_pixel_width (get_allocation().get_width());
1242         processor_display.add_child (e);
1243 }
1244
1245
1246 void
1247 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
1248 {
1249         string tip(start);
1250
1251         list<ProcessorEntry*> children = processor_display.children ();
1252         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1253                 tip += '\n';
1254                 tip += (*i)->processor()->name();
1255         }
1256
1257         ARDOUR_UI::instance()->set_tip (box, tip);
1258 }
1259
1260 void
1261 ProcessorBox::reordered ()
1262 {
1263         compute_processor_sort_keys ();
1264         setup_entry_positions ();
1265 }
1266
1267 void
1268 ProcessorBox::setup_entry_positions ()
1269 {
1270         list<ProcessorEntry*> children = processor_display.children ();
1271         bool pre_fader = true;
1272
1273         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1274                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1275                         pre_fader = false;
1276                         (*i)->set_position (ProcessorEntry::Fader);
1277                 } else {
1278                         if (pre_fader) {
1279                                 (*i)->set_position (ProcessorEntry::PreFader);
1280                         } else {
1281                                 (*i)->set_position (ProcessorEntry::PostFader);
1282                         }
1283                 }
1284         }
1285 }
1286
1287 void
1288 ProcessorBox::compute_processor_sort_keys ()
1289 {
1290         list<ProcessorEntry*> children = processor_display.children ();
1291         Route::ProcessorList our_processors;
1292
1293         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
1294                 our_processors.push_back ((*iter)->processor ());
1295         }
1296
1297         if (_route->reorder_processors (our_processors)) {
1298                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1299                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1300                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1301                    when the drag is torn down after this handler function is finished.
1302                 */
1303                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1304         }
1305 }
1306
1307 void
1308 ProcessorBox::report_failed_reorder ()
1309 {
1310         /* reorder failed, so redisplay */
1311
1312         redisplay_processors ();
1313
1314         /* now tell them about the problem */
1315
1316         ArdourDialog dialog (_("Plugin Incompatibility"));
1317         Label label;
1318
1319         label.set_text (_("\
1320 You cannot reorder these plugins/sends/inserts\n\
1321 in that way because the inputs and\n\
1322 outputs will not work correctly."));
1323
1324         dialog.get_vbox()->set_border_width (12);
1325         dialog.get_vbox()->pack_start (label);
1326         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1327
1328         dialog.set_name (X_("PluginIODialog"));
1329         dialog.set_position (Gtk::WIN_POS_MOUSE);
1330         dialog.set_modal (true);
1331         dialog.show_all ();
1332
1333         dialog.run ();
1334 }
1335
1336 void
1337 ProcessorBox::rename_processors ()
1338 {
1339         ProcSelection to_be_renamed;
1340
1341         get_selected_processors (to_be_renamed);
1342
1343         if (to_be_renamed.empty()) {
1344                 return;
1345         }
1346
1347         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1348                 rename_processor (*i);
1349         }
1350 }
1351
1352 bool
1353 ProcessorBox::can_cut () const
1354 {
1355         vector<boost::shared_ptr<Processor> > sel;
1356
1357         get_selected_processors (sel);
1358
1359         /* cut_processors () does not cut inserts */
1360
1361         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1362
1363                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1364                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1365                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1366                         return true;
1367                 }
1368         }
1369
1370         return false;
1371 }
1372
1373 void
1374 ProcessorBox::cut_processors ()
1375 {
1376         ProcSelection to_be_removed;
1377
1378         get_selected_processors (to_be_removed);
1379 }
1380
1381 void
1382 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1383 {
1384         if (to_be_removed.empty()) {
1385                 return;
1386         }
1387
1388         XMLNode* node = new XMLNode (X_("cut"));
1389         Route::ProcessorList to_cut;
1390
1391         no_processor_redisplay = true;
1392         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
1393                 // Cut only plugins, sends and returns
1394                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1395                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1396                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1397
1398                         Window* w = get_processor_ui (*i);
1399
1400                         if (w) {
1401                                 w->hide ();
1402                         }
1403
1404                         XMLNode& child ((*i)->get_state());
1405                         node->add_child_nocopy (child);
1406                         to_cut.push_back (*i);
1407                 }
1408         }
1409
1410         if (_route->remove_processors (to_cut) != 0) {
1411                 delete node;
1412                 no_processor_redisplay = false;
1413                 return;
1414         }
1415
1416         _rr_selection.set (node);
1417
1418         no_processor_redisplay = false;
1419         redisplay_processors ();
1420 }
1421
1422 void
1423 ProcessorBox::copy_processors ()
1424 {
1425         ProcSelection to_be_copied;
1426         get_selected_processors (to_be_copied);
1427         copy_processors (to_be_copied);
1428 }
1429
1430 void
1431 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
1432 {
1433         if (to_be_copied.empty()) {
1434                 return;
1435         }
1436
1437         XMLNode* node = new XMLNode (X_("copy"));
1438
1439         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
1440                 // Copy only plugins, sends, returns
1441                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1442                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1443                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1444                         node->add_child_nocopy ((*i)->get_state());
1445                 }
1446         }
1447
1448         _rr_selection.set (node);
1449 }
1450
1451 void
1452 ProcessorBox::delete_processors ()
1453 {
1454         ProcSelection to_be_deleted;
1455         get_selected_processors (to_be_deleted);
1456         delete_processors (to_be_deleted);
1457 }
1458
1459 void
1460 ProcessorBox::delete_processors (const ProcSelection& targets)
1461 {
1462         if (targets.empty()) {
1463                 return;
1464         }
1465
1466         no_processor_redisplay = true;
1467
1468         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
1469
1470                 Window* w = get_processor_ui (*i);
1471
1472                 if (w) {
1473                         w->hide ();
1474                 }
1475
1476                 _route->remove_processor(*i);
1477         }
1478
1479         no_processor_redisplay = false;
1480         redisplay_processors ();
1481 }
1482
1483 void
1484 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
1485 {
1486         list<boost::shared_ptr<Processor> >::const_iterator x;
1487
1488         no_processor_redisplay = true;
1489         for (x = procs.begin(); x != procs.end(); ++x) {
1490
1491                 Window* w = get_processor_ui (*x);
1492
1493                 if (w) {
1494                         w->hide ();
1495                 }
1496
1497                 _route->remove_processor(*x);
1498         }
1499
1500         no_processor_redisplay = false;
1501         redisplay_processors ();
1502 }
1503
1504 gint
1505 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
1506 {
1507         boost::shared_ptr<Processor> processor (weak_processor.lock());
1508
1509         if (!processor) {
1510                 return false;
1511         }
1512
1513         /* NOT copied to _mixer.selection() */
1514
1515         no_processor_redisplay = true;
1516         _route->remove_processor (processor);
1517         no_processor_redisplay = false;
1518         redisplay_processors ();
1519
1520         return false;
1521 }
1522
1523 void
1524 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
1525 {
1526         ArdourPrompter name_prompter (true);
1527         string result;
1528         name_prompter.set_title (_("Rename Processor"));
1529         name_prompter.set_prompt (_("New name:"));
1530         name_prompter.set_initial_text (processor->name());
1531         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1532         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1533         name_prompter.show_all ();
1534
1535         switch (name_prompter.run ()) {
1536
1537         case Gtk::RESPONSE_ACCEPT:
1538                 name_prompter.get_result (result);
1539                 if (result.length()) {
1540
1541                        int tries = 0;
1542                        string test = result;
1543
1544                        while (tries < 100) {
1545                                if (_session->io_name_is_legal (test)) {
1546                                        result = test;
1547                                        break;
1548                                }
1549                                tries++;
1550
1551                                test = string_compose ("%1-%2", result, tries);
1552                        }
1553
1554                        if (tries < 100) {
1555                                processor->set_name (result);
1556                        } else {
1557                                /* unlikely! */
1558                                ARDOUR_UI::instance()->popup_error
1559                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
1560                        }
1561                 }
1562                 break;
1563         }
1564
1565         return;
1566 }
1567
1568 void
1569 ProcessorBox::paste_processors ()
1570 {
1571         if (_rr_selection.processors.empty()) {
1572                 return;
1573         }
1574
1575         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
1576 }
1577
1578 void
1579 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
1580 {
1581
1582         if (_rr_selection.processors.empty()) {
1583                 return;
1584         }
1585
1586         paste_processor_state (_rr_selection.processors.get_node().children(), before);
1587 }
1588
1589 void
1590 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
1591 {
1592         XMLNodeConstIterator niter;
1593         list<boost::shared_ptr<Processor> > copies;
1594
1595         if (nlist.empty()) {
1596                 return;
1597         }
1598
1599         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
1600
1601                 XMLProperty const * type = (*niter)->property ("type");
1602                 assert (type);
1603
1604                 boost::shared_ptr<Processor> p;
1605                 try {
1606                         if (type->value() == "meter" ||
1607                             type->value() == "main-outs" ||
1608                             type->value() == "amp" ||
1609                             type->value() == "intsend" || type->value() == "intreturn") {
1610                                 /* do not paste meter, main outs, amp or internal send/returns */
1611                                 continue;
1612
1613                         } else if (type->value() == "send") {
1614
1615                                 XMLNode n (**niter);
1616                                 Send::make_unique (n, *_session);
1617                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
1618                                 if (s->set_state (n, Stateful::loading_state_version)) {
1619                                         delete s;
1620                                         return;
1621                                 }
1622
1623                                 p.reset (s);
1624
1625
1626                         } else if (type->value() == "return") {
1627
1628                                 XMLNode n (**niter);
1629                                 Return::make_unique (n, *_session);
1630                                 Return* r = new Return (*_session);
1631
1632                                 if (r->set_state (n, Stateful::loading_state_version)) {
1633                                         delete r;
1634                                         return;
1635                                 }
1636
1637                                 p.reset (r);
1638
1639                         } else {
1640                                 /* XXX its a bit limiting to assume that everything else
1641                                    is a plugin.
1642                                 */
1643
1644                                 p.reset (new PluginInsert (*_session));
1645                                 p->set_state (**niter, Stateful::current_state_version);
1646                         }
1647
1648                         copies.push_back (p);
1649                 }
1650
1651                 catch (...) {
1652                         cerr << "plugin insert constructor failed\n";
1653                 }
1654         }
1655
1656         if (copies.empty()) {
1657                 return;
1658         }
1659
1660         if (_route->add_processors (copies, p)) {
1661
1662                 string msg = _(
1663                         "Copying the set of processors on the clipboard failed,\n\
1664 probably because the I/O configuration of the plugins\n\
1665 could not match the configuration of this track.");
1666                 MessageDialog am (msg);
1667                 am.run ();
1668         }
1669 }
1670
1671 void
1672 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
1673 {
1674         r->activate ();
1675 }
1676
1677 void
1678 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
1679 {
1680         r->deactivate ();
1681 }
1682
1683 void
1684 ProcessorBox::get_selected_processors (ProcSelection& processors) const
1685 {
1686         const list<ProcessorEntry*> selection = processor_display.selection ();
1687         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
1688                 processors.push_back ((*i)->processor ());
1689         }
1690 }
1691
1692 void
1693 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1694 {
1695         list<ProcessorEntry*> selection = processor_display.selection ();
1696         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
1697                 (this->*method) ((*i)->processor ());
1698         }
1699 }
1700
1701 void
1702 ProcessorBox::all_processors_active (bool state)
1703 {
1704         _route->all_processors_active (_placement, state);
1705 }
1706
1707 void
1708 ProcessorBox::ab_plugins ()
1709 {
1710         _route->ab_plugins (ab_direction);
1711         ab_direction = !ab_direction;
1712 }
1713
1714
1715 void
1716 ProcessorBox::clear_processors ()
1717 {
1718         string prompt;
1719         vector<string> choices;
1720
1721         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
1722                                    "(this cannot be undone)"), _route->name());
1723
1724         choices.push_back (_("Cancel"));
1725         choices.push_back (_("Yes, remove them all"));
1726
1727         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1728
1729         if (prompter.run () == 1) {
1730                 _route->clear_processors (PreFader);
1731                 _route->clear_processors (PostFader);
1732         }
1733 }
1734
1735 void
1736 ProcessorBox::clear_processors (Placement p)
1737 {
1738         string prompt;
1739         vector<string> choices;
1740
1741         if (p == PreFader) {
1742                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
1743                                            "(this cannot be undone)"), _route->name());
1744         } else {
1745                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
1746                                            "(this cannot be undone)"), _route->name());
1747         }
1748
1749         choices.push_back (_("Cancel"));
1750         choices.push_back (_("Yes, remove them all"));
1751
1752         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1753
1754         if (prompter.run () == 1) {
1755                 _route->clear_processors (p);
1756         }
1757 }
1758
1759 bool
1760 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
1761 {
1762         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
1763         if (at && at->freeze_state() == AudioTrack::Frozen) {
1764                 return false;
1765         }
1766
1767         if (
1768                 boost::dynamic_pointer_cast<Send> (processor) ||
1769                 boost::dynamic_pointer_cast<Return> (processor) ||
1770                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
1771                 boost::dynamic_pointer_cast<PortInsert> (processor)
1772                 ) {
1773                 return true;
1774         }
1775
1776         return false;
1777 }
1778
1779 bool
1780 ProcessorBox::one_processor_can_be_edited ()
1781 {
1782         list<ProcessorEntry*> selection = processor_display.selection ();
1783         list<ProcessorEntry*>::iterator i = selection.begin();
1784         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
1785                 ++i;
1786         }
1787
1788         return (i != selection.end());
1789 }
1790
1791 void
1792 ProcessorBox::toggle_edit_processor (boost::shared_ptr<Processor> processor)
1793 {
1794         boost::shared_ptr<Send> send;
1795         boost::shared_ptr<InternalSend> internal_send;
1796         boost::shared_ptr<Return> retrn;
1797         boost::shared_ptr<PluginInsert> plugin_insert;
1798         boost::shared_ptr<PortInsert> port_insert;
1799         Window* gidget = 0;
1800
1801         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1802
1803                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1804                         return;
1805                 }
1806         }
1807
1808         if (boost::dynamic_pointer_cast<Amp> (processor)) {
1809
1810                 _parent_strip->revert_to_default_display ();
1811
1812         } else if ((internal_send = boost::dynamic_pointer_cast<InternalSend> (processor)) != 0) {
1813
1814                 if (!_session->engine().connected()) {
1815                         return;
1816                 }
1817
1818                 if (_parent_strip) {
1819                         if (boost::dynamic_pointer_cast<Send> (_parent_strip->current_delivery()) == internal_send) {
1820                                 _parent_strip->revert_to_default_display ();
1821                         } else {
1822                                 _parent_strip->show_send (internal_send);
1823                         }
1824                 }
1825
1826         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1827
1828                 if (!_session->engine().connected()) {
1829                         return;
1830                 }
1831
1832                 SendUIWindow* w = new SendUIWindow (send, _session);
1833                 w->show ();
1834
1835         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
1836
1837                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
1838                         /* no GUI for these */
1839                         return;
1840                 }
1841
1842                 if (!_session->engine().connected()) {
1843                         return;
1844                 }
1845
1846                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
1847
1848                 ReturnUIWindow *return_ui;
1849                 Window* w = get_processor_ui (retrn);
1850
1851                 if (w == 0) {
1852
1853                         return_ui = new ReturnUIWindow (retrn, _session);
1854                         return_ui->set_title (retrn->name ());
1855                         set_processor_ui (send, return_ui);
1856
1857                 } else {
1858                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
1859                 }
1860
1861                 gidget = return_ui;
1862
1863         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1864
1865                 PluginUIWindow *plugin_ui;
1866
1867                 /* these are both allowed to be null */
1868
1869                 Container* toplevel = get_toplevel();
1870                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1871
1872                 Window* w = get_processor_ui (plugin_insert);
1873
1874                 if (w == 0) {
1875
1876                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1877                         plugin_ui->set_title (generate_processor_title (plugin_insert));
1878                         set_processor_ui (plugin_insert, plugin_ui);
1879
1880                 } else {
1881                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
1882                         plugin_ui->set_parent (win);
1883                 }
1884
1885                 gidget = plugin_ui;
1886
1887         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1888
1889                 if (!_session->engine().connected()) {
1890                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1891                         msg.run ();
1892                         return;
1893                 }
1894
1895                 PortInsertWindow *io_selector;
1896
1897                 Window* w = get_processor_ui (port_insert);
1898
1899                 if (w == 0) {
1900                         io_selector = new PortInsertWindow (_session, port_insert);
1901                         set_processor_ui (port_insert, io_selector);
1902
1903                 } else {
1904                         io_selector = dynamic_cast<PortInsertWindow *> (w);
1905                 }
1906
1907                 gidget = io_selector;
1908         }
1909
1910         if (gidget) {
1911                 if (gidget->is_visible()) {
1912                         gidget->hide ();
1913                 } else {
1914                         gidget->show_all ();
1915                         gidget->present ();
1916                 }
1917         }
1918 }
1919
1920 void
1921 ProcessorBox::register_actions ()
1922 {
1923         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("processormenu"));
1924         Glib::RefPtr<Action> act;
1925
1926         /* new stuff */
1927         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
1928                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1929
1930         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
1931                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1932         ActionManager::jack_sensitive_actions.push_back (act);
1933         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),
1934                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
1935         ActionManager::jack_sensitive_actions.push_back (act);
1936
1937         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
1938
1939         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
1940                         sigc::ptr_fun (ProcessorBox::rb_clear));
1941         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
1942                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
1943         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
1944                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
1945
1946         /* standard editing stuff */
1947         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
1948                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
1949         ActionManager::plugin_selection_sensitive_actions.push_back(cut_action);
1950         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
1951                         sigc::ptr_fun (ProcessorBox::rb_copy));
1952         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1953
1954         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
1955                         sigc::ptr_fun (ProcessorBox::rb_delete));
1956         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1957
1958         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
1959                         sigc::ptr_fun (ProcessorBox::rb_paste));
1960         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
1961                         sigc::ptr_fun (ProcessorBox::rb_rename));
1962         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
1963                         sigc::ptr_fun (ProcessorBox::rb_select_all));
1964         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
1965                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1966
1967         /* activation etc. */
1968
1969         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),
1970                                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
1971         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),
1972                                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1973         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
1974                                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
1975
1976         /* show editors */
1977         edit_action = ActionManager::register_action (popup_act_grp, X_("edit"), _("Edit..."),
1978                                                       sigc::ptr_fun (ProcessorBox::rb_edit));
1979
1980         ActionManager::add_action_group (popup_act_grp);
1981 }
1982
1983 void
1984 ProcessorBox::rb_ab_plugins ()
1985 {
1986         if (_current_processor_box == 0) {
1987                 return;
1988         }
1989
1990         _current_processor_box->ab_plugins ();
1991 }
1992
1993 void
1994 ProcessorBox::rb_choose_plugin ()
1995 {
1996         if (_current_processor_box == 0) {
1997                 return;
1998         }
1999         _current_processor_box->choose_plugin ();
2000 }
2001
2002 void
2003 ProcessorBox::rb_choose_insert ()
2004 {
2005         if (_current_processor_box == 0) {
2006                 return;
2007         }
2008         _current_processor_box->choose_insert ();
2009 }
2010
2011 void
2012 ProcessorBox::rb_choose_send ()
2013 {
2014         if (_current_processor_box == 0) {
2015                 return;
2016         }
2017         _current_processor_box->choose_send ();
2018 }
2019
2020 void
2021 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2022 {
2023         if (_current_processor_box == 0) {
2024                 return;
2025         }
2026
2027         _current_processor_box->choose_aux (wr);
2028 }
2029
2030 void
2031 ProcessorBox::rb_clear ()
2032 {
2033         if (_current_processor_box == 0) {
2034                 return;
2035         }
2036
2037         _current_processor_box->clear_processors ();
2038 }
2039
2040
2041 void
2042 ProcessorBox::rb_clear_pre ()
2043 {
2044         if (_current_processor_box == 0) {
2045                 return;
2046         }
2047
2048         _current_processor_box->clear_processors (PreFader);
2049 }
2050
2051
2052 void
2053 ProcessorBox::rb_clear_post ()
2054 {
2055         if (_current_processor_box == 0) {
2056                 return;
2057         }
2058
2059         _current_processor_box->clear_processors (PostFader);
2060 }
2061
2062 void
2063 ProcessorBox::rb_cut ()
2064 {
2065         if (_current_processor_box == 0) {
2066                 return;
2067         }
2068
2069         _current_processor_box->cut_processors ();
2070 }
2071
2072 void
2073 ProcessorBox::rb_delete ()
2074 {
2075         if (_current_processor_box == 0) {
2076                 return;
2077         }
2078
2079         _current_processor_box->delete_processors ();
2080 }
2081
2082 void
2083 ProcessorBox::rb_copy ()
2084 {
2085         if (_current_processor_box == 0) {
2086                 return;
2087         }
2088         _current_processor_box->copy_processors ();
2089 }
2090
2091 void
2092 ProcessorBox::rb_paste ()
2093 {
2094         if (_current_processor_box == 0) {
2095                 return;
2096         }
2097
2098         _current_processor_box->paste_processors ();
2099 }
2100
2101 void
2102 ProcessorBox::rb_rename ()
2103 {
2104         if (_current_processor_box == 0) {
2105                 return;
2106         }
2107         _current_processor_box->rename_processors ();
2108 }
2109
2110 void
2111 ProcessorBox::rb_select_all ()
2112 {
2113         if (_current_processor_box == 0) {
2114                 return;
2115         }
2116
2117         _current_processor_box->select_all_processors ();
2118 }
2119
2120 void
2121 ProcessorBox::rb_deselect_all ()
2122 {
2123         if (_current_processor_box == 0) {
2124                 return;
2125         }
2126
2127         _current_processor_box->deselect_all_processors ();
2128 }
2129
2130 void
2131 ProcessorBox::rb_activate_all ()
2132 {
2133         if (_current_processor_box == 0) {
2134                 return;
2135         }
2136
2137         _current_processor_box->all_processors_active (true);
2138 }
2139
2140 void
2141 ProcessorBox::rb_deactivate_all ()
2142 {
2143         if (_current_processor_box == 0) {
2144                 return;
2145         }
2146         _current_processor_box->all_processors_active (false);
2147 }
2148
2149 void
2150 ProcessorBox::rb_edit ()
2151 {
2152         if (_current_processor_box == 0) {
2153                 return;
2154         }
2155
2156         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_processor);
2157 }
2158
2159 void
2160 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2161 {
2162         if (!what_changed.contains (ARDOUR::Properties::name)) {
2163                 return;
2164         }
2165
2166         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2167
2168         boost::shared_ptr<Processor> processor;
2169         boost::shared_ptr<PluginInsert> plugin_insert;
2170         boost::shared_ptr<Send> send;
2171
2172         list<ProcessorEntry*> children = processor_display.children();
2173
2174         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2175
2176                 processor = (*iter)->processor ();
2177
2178                 Window* w = get_processor_ui (processor);
2179
2180                 if (!w) {
2181                         continue;
2182                 }
2183
2184                 /* rename editor windows for sends and plugins */
2185
2186                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2187                         w->set_title (send->name ());
2188                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2189                         w->set_title (generate_processor_title (plugin_insert));
2190                 }
2191         }
2192 }
2193
2194 string
2195 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2196 {
2197         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2198         string::size_type email_pos;
2199
2200         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2201                 maker = maker.substr (0, email_pos - 1);
2202         }
2203
2204         if (maker.length() > 32) {
2205                 maker = maker.substr (0, 32);
2206                 maker += " ...";
2207         }
2208
2209         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
2210 }
2211
2212 void
2213 ProcessorBox::on_size_allocate (Allocation& a)
2214 {
2215         HBox::on_size_allocate (a);
2216
2217         list<ProcessorEntry*> children = processor_display.children ();
2218         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2219                 (*i)->set_pixel_width (a.get_width ());
2220         }
2221 }
2222
2223 /** @param p Processor.
2224  *  @return the UI window for \a p.
2225  */
2226 Window *
2227 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2228 {
2229         list<ProcessorWindowProxy*>::const_iterator i = _processor_window_proxies.begin ();
2230         while (i != _processor_window_proxies.end()) {
2231                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2232                 if (t && t == p) {
2233                         return (*i)->get ();
2234                 }
2235
2236                 ++i;
2237         }
2238
2239         /* we shouldn't get here, because the ProcessorUIList should always contain
2240            an entry for each processor.
2241         */
2242         assert (false);
2243         return 0;
2244 }
2245
2246 /** Make a note of the UI window that a processor is using.
2247  *  @param p Processor.
2248  *  @param w UI window.
2249  */
2250 void
2251 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2252 {
2253         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
2254
2255         p->set_ui (w);
2256
2257         while (i != _processor_window_proxies.end()) {
2258                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2259                 if (t && t == p) {
2260                         (*i)->set (w);
2261                         return;
2262                 }
2263
2264                 ++i;
2265         }
2266
2267         /* we shouldn't get here, because the ProcessorUIList should always contain
2268            an entry for each processor.
2269         */
2270         assert (false);
2271 }
2272
2273 void
2274 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2275 {
2276         boost::shared_ptr<Delivery> d = w.lock ();
2277         if (!d) {
2278                 return;
2279         }
2280
2281         list<ProcessorEntry*> children = processor_display.children ();
2282         list<ProcessorEntry*>::const_iterator i = children.begin();
2283         while (i != children.end() && (*i)->processor() != d) {
2284                 ++i;
2285         }
2286
2287         if (i == children.end()) {
2288                 processor_display.set_active (0);
2289         } else {
2290                 processor_display.set_active (*i);
2291         }
2292 }
2293
2294 void
2295 ProcessorBox::hide_things ()
2296 {
2297         list<ProcessorEntry*> c = processor_display.children ();
2298         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2299                 (*i)->hide_things ();
2300         }
2301 }
2302
2303 ProcessorWindowProxy::ProcessorWindowProxy (
2304         string const & name,
2305         XMLNode const * node,
2306         ProcessorBox* box,
2307         boost::weak_ptr<Processor> processor
2308         )
2309         : WindowProxy<Gtk::Window> (name, node)
2310         , marked (false)
2311         , _processor_box (box)
2312         , _processor (processor)
2313 {
2314
2315 }
2316
2317
2318 void
2319 ProcessorWindowProxy::show ()
2320 {
2321         boost::shared_ptr<Processor> p = _processor.lock ();
2322         if (!p) {
2323                 return;
2324         }
2325
2326         _processor_box->toggle_edit_processor (p);
2327 }
2328