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 (_route->add_processor (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
 925                         weird_plugin_dialog (**p, err_streams);
 926                         return true;
 927                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
 928                 } else {
 929
 930                         if (Profile->get_sae()) {
 931                                 processor->activate ();
 932                         }
 933                 }
 934         }
 935
 936         return false;
 937 }
 938
 939 void
 940 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
 941 {
 942         ArdourDialog dialog (_("Plugin Incompatibility"));
 943         Label label;
 944
 945         string text = string_compose(_("You attempted to add the plugin \"%1\" at index %2.\n"),
 946                         p.name(), streams.index);
 947
 948         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
 949         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
 950
 951         text += _("\nThis plugin has:\n");
 952         if (has_midi) {
 953                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
 954                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
 955         }
 956         if (has_audio) {
 957                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
 958                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
 959         }
 960
 961         text += _("\nbut at the insertion point, there are:\n");
 962         if (has_midi) {
 963                 uint32_t const n = streams.count.n_midi ();
 964                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
 965         }
 966         if (has_audio) {
 967                 uint32_t const n = streams.count.n_audio ();
 968                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
 969         }
 970
 971         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
 972         label.set_text(text);
 973
 974         dialog.get_vbox()->pack_start (label);
 975         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
 976
 977         dialog.set_name (X_("PluginIODialog"));
 978         dialog.set_position (Gtk::WIN_POS_MOUSE);
 979         dialog.set_modal (true);
 980         dialog.show_all ();
 981
 982         dialog.run ();
 983 }
 984
 985 void
 986 ProcessorBox::choose_insert ()
 987 {
 988         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
 989         _route->add_processor (processor, _placement);
 990 }
 991
 992 /* Caller must not hold process lock */
 993 void
 994 ProcessorBox::choose_send ()
 995 {
 996         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable(), _route->mute_master()));
 997
 998         /* make an educated guess at the initial number of outputs for the send */
 999         ChanCount outs = (_session->master_out())
1000                         ? _session->master_out()->n_outputs()
1001                         : _route->n_outputs();
1002
1003         /* XXX need processor lock on route */
1004         try {
1005                 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
1006                 send->output()->ensure_io (outs, false, this);
1007         } catch (AudioEngine::PortRegistrationFailure& err) {
1008                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
1009                 return;
1010         }
1011
1012         /* let the user adjust the IO setup before creation.
1013
1014            Note: this dialog is NOT modal - we just leave it to run and it will
1015            return when its Finished signal is emitted - typically when the window
1016            is closed.
1017          */
1018
1019         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
1020         ios->show ();
1021
1022         /* keep a reference to the send so it doesn't get deleted while
1023            the IOSelectorWindow is doing its stuff
1024         */
1025         _processor_being_created = send;
1026
1027         ios->selector().Finished.connect (sigc::bind (
1028                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1029                         boost::weak_ptr<Processor>(send), ios));
1030
1031 }
1032
1033 void
1034 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1035 {
1036         boost::shared_ptr<Processor> processor (weak_processor.lock());
1037
1038         /* drop our temporary reference to the new send */
1039         _processor_being_created.reset ();
1040
1041         if (!processor) {
1042                 return;
1043         }
1044
1045         switch (r) {
1046         case IOSelector::Cancelled:
1047                 // processor will go away when all shared_ptrs to it vanish
1048                 break;
1049
1050         case IOSelector::Accepted:
1051                 _route->add_processor (processor, _placement);
1052                 if (Profile->get_sae()) {
1053                         processor->activate ();
1054                 }
1055                 break;
1056         }
1057
1058         delete_when_idle (ios);
1059 }
1060
1061 void
1062 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1063 {
1064         boost::shared_ptr<Processor> processor (weak_processor.lock());
1065
1066         /* drop our temporary reference to the new return */
1067         _processor_being_created.reset ();
1068
1069         if (!processor) {
1070                 return;
1071         }
1072
1073         switch (r) {
1074         case IOSelector::Cancelled:
1075                 // processor will go away when all shared_ptrs to it vanish
1076                 break;
1077
1078         case IOSelector::Accepted:
1079                 _route->add_processor (processor, _placement);
1080                 if (Profile->get_sae()) {
1081                         processor->activate ();
1082                 }
1083                 break;
1084         }
1085
1086         delete_when_idle (ios);
1087 }
1088
1089 void
1090 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1091 {
1092         if (!_route) {
1093                 return;
1094         }
1095
1096         boost::shared_ptr<Route> target = wr.lock();
1097
1098         if (!target) {
1099                 return;
1100         }
1101
1102         boost::shared_ptr<RouteList> rlist (new RouteList);
1103         rlist->push_back (_route);
1104
1105         _session->add_internal_sends (target, PreFader, rlist);
1106 }
1107
1108 void
1109 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1110 {
1111         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1112                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1113                 return;
1114         }
1115
1116         redisplay_processors ();
1117 }
1118
1119 void
1120 ProcessorBox::redisplay_processors ()
1121 {
1122         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors)
1123
1124         if (no_processor_redisplay) {
1125                 return;
1126         }
1127
1128         processor_display.clear ();
1129
1130         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1131
1132         for (list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin(); i != _processor_window_proxies.end(); ++i) {
1133                 (*i)->marked = false;
1134         }
1135
1136         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1137
1138         /* trim dead wood from the processor window proxy list */
1139
1140         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin();
1141         while (i != _processor_window_proxies.end()) {
1142                 list<ProcessorWindowProxy*>::iterator j = i;
1143                 ++j;
1144
1145                 if (!(*i)->marked) {
1146                         ARDOUR_UI::instance()->remove_window_proxy (*i);
1147                         delete *i;
1148                         _processor_window_proxies.erase (i);
1149                 }
1150
1151                 i = j;
1152         }
1153
1154         setup_entry_positions ();
1155 }
1156
1157 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1158  *  not already have one.
1159  */
1160 void
1161 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1162 {
1163         boost::shared_ptr<Processor> p = w.lock ();
1164         if (!p) {
1165                 return;
1166         }
1167
1168         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
1169         while (i != _processor_window_proxies.end()) {
1170
1171                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
1172
1173                 if (p == t) {
1174                         /* this processor is already on the list; done */
1175                         (*i)->marked = true;
1176                         return;
1177                 }
1178
1179                 ++i;
1180         }
1181
1182         /* not on the list; add it */
1183
1184         string loc;
1185         if (_parent_strip) {
1186                 if (_parent_strip->mixer_owned()) {
1187                         loc = X_("M");
1188                 } else {
1189                         loc = X_("R");
1190                 }
1191         } else {
1192                 loc = X_("P");
1193         }
1194
1195         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1196                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1197                 _session->extra_xml (X_("UI")),
1198                 this,
1199                 w);
1200
1201         wp->marked = true;
1202
1203         /* if the processor already has an existing UI,
1204            note that so that we don't recreate it
1205         */
1206
1207         void* existing_ui = p->get_ui ();
1208
1209         if (existing_ui) {
1210                 wp->set (static_cast<Gtk::Window*>(existing_ui));
1211         }
1212
1213         _processor_window_proxies.push_back (wp);
1214         ARDOUR_UI::instance()->add_window_proxy (wp);
1215 }
1216
1217 void
1218 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1219 {
1220         boost::shared_ptr<Processor> processor (p.lock ());
1221
1222         if (!processor || !processor->display_to_user()) {
1223                 return;
1224         }
1225
1226         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1227         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1228         ProcessorEntry* e = 0;
1229         if (send) {
1230                 e = new SendProcessorEntry (send, _width);
1231         } else if (plugin_insert) {
1232                 e = new PluginInsertProcessorEntry (plugin_insert, _width);
1233         } else {
1234                 e = new ProcessorEntry (processor, _width);
1235         }
1236
1237         e->set_pixel_width (get_allocation().get_width());
1238         processor_display.add_child (e);
1239 }
1240
1241
1242 void
1243 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
1244 {
1245         string tip(start);
1246
1247         list<ProcessorEntry*> children = processor_display.children ();
1248         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1249                 tip += '\n';
1250                 tip += (*i)->processor()->name();
1251         }
1252
1253         ARDOUR_UI::instance()->set_tip (box, tip);
1254 }
1255
1256 void
1257 ProcessorBox::reordered ()
1258 {
1259         compute_processor_sort_keys ();
1260         setup_entry_positions ();
1261 }
1262
1263 void
1264 ProcessorBox::setup_entry_positions ()
1265 {
1266         list<ProcessorEntry*> children = processor_display.children ();
1267         bool pre_fader = true;
1268
1269         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1270                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1271                         pre_fader = false;
1272                         (*i)->set_position (ProcessorEntry::Fader);
1273                 } else {
1274                         if (pre_fader) {
1275                                 (*i)->set_position (ProcessorEntry::PreFader);
1276                         } else {
1277                                 (*i)->set_position (ProcessorEntry::PostFader);
1278                         }
1279                 }
1280         }
1281 }
1282
1283 void
1284 ProcessorBox::compute_processor_sort_keys ()
1285 {
1286         list<ProcessorEntry*> children = processor_display.children ();
1287         Route::ProcessorList our_processors;
1288
1289         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
1290                 our_processors.push_back ((*iter)->processor ());
1291         }
1292
1293         if (_route->reorder_processors (our_processors)) {
1294                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1295                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1296                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1297                    when the drag is torn down after this handler function is finished.
1298                 */
1299                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1300         }
1301 }
1302
1303 void
1304 ProcessorBox::report_failed_reorder ()
1305 {
1306         /* reorder failed, so redisplay */
1307
1308         redisplay_processors ();
1309
1310         /* now tell them about the problem */
1311
1312         ArdourDialog dialog (_("Plugin Incompatibility"));
1313         Label label;
1314
1315         label.set_text (_("\
1316 You cannot reorder these plugins/sends/inserts\n\
1317 in that way because the inputs and\n\
1318 outputs will not work correctly."));
1319
1320         dialog.get_vbox()->set_border_width (12);
1321         dialog.get_vbox()->pack_start (label);
1322         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1323
1324         dialog.set_name (X_("PluginIODialog"));
1325         dialog.set_position (Gtk::WIN_POS_MOUSE);
1326         dialog.set_modal (true);
1327         dialog.show_all ();
1328
1329         dialog.run ();
1330 }
1331
1332 void
1333 ProcessorBox::rename_processors ()
1334 {
1335         ProcSelection to_be_renamed;
1336
1337         get_selected_processors (to_be_renamed);
1338
1339         if (to_be_renamed.empty()) {
1340                 return;
1341         }
1342
1343         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1344                 rename_processor (*i);
1345         }
1346 }
1347
1348 bool
1349 ProcessorBox::can_cut () const
1350 {
1351         vector<boost::shared_ptr<Processor> > sel;
1352
1353         get_selected_processors (sel);
1354
1355         /* cut_processors () does not cut inserts */
1356
1357         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1358
1359                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1360                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1361                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1362                         return true;
1363                 }
1364         }
1365
1366         return false;
1367 }
1368
1369 void
1370 ProcessorBox::cut_processors ()
1371 {
1372         ProcSelection to_be_removed;
1373
1374         get_selected_processors (to_be_removed);
1375 }
1376
1377 void
1378 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1379 {
1380         if (to_be_removed.empty()) {
1381                 return;
1382         }
1383
1384         XMLNode* node = new XMLNode (X_("cut"));
1385         Route::ProcessorList to_cut;
1386
1387         no_processor_redisplay = true;
1388         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
1389                 // Cut only plugins, sends and returns
1390                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1391                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1392                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1393
1394                         Window* w = get_processor_ui (*i);
1395
1396                         if (w) {
1397                                 w->hide ();
1398                         }
1399
1400                         XMLNode& child ((*i)->get_state());
1401                         node->add_child_nocopy (child);
1402                         to_cut.push_back (*i);
1403                 }
1404         }
1405
1406         if (_route->remove_processors (to_cut) != 0) {
1407                 delete node;
1408                 no_processor_redisplay = false;
1409                 return;
1410         }
1411
1412         _rr_selection.set (node);
1413
1414         no_processor_redisplay = false;
1415         redisplay_processors ();
1416 }
1417
1418 void
1419 ProcessorBox::copy_processors ()
1420 {
1421         ProcSelection to_be_copied;
1422         get_selected_processors (to_be_copied);
1423         copy_processors (to_be_copied);
1424 }
1425
1426 void
1427 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
1428 {
1429         if (to_be_copied.empty()) {
1430                 return;
1431         }
1432
1433         XMLNode* node = new XMLNode (X_("copy"));
1434
1435         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
1436                 // Copy only plugins, sends, returns
1437                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1438                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1439                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1440                         node->add_child_nocopy ((*i)->get_state());
1441                 }
1442         }
1443
1444         _rr_selection.set (node);
1445 }
1446
1447 void
1448 ProcessorBox::delete_processors ()
1449 {
1450         ProcSelection to_be_deleted;
1451         get_selected_processors (to_be_deleted);
1452         delete_processors (to_be_deleted);
1453 }
1454
1455 void
1456 ProcessorBox::delete_processors (const ProcSelection& targets)
1457 {
1458         if (targets.empty()) {
1459                 return;
1460         }
1461
1462         no_processor_redisplay = true;
1463
1464         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
1465
1466                 Window* w = get_processor_ui (*i);
1467
1468                 if (w) {
1469                         w->hide ();
1470                 }
1471
1472                 _route->remove_processor(*i);
1473         }
1474
1475         no_processor_redisplay = false;
1476         redisplay_processors ();
1477 }
1478
1479 void
1480 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
1481 {
1482         list<boost::shared_ptr<Processor> >::const_iterator x;
1483
1484         no_processor_redisplay = true;
1485         for (x = procs.begin(); x != procs.end(); ++x) {
1486
1487                 Window* w = get_processor_ui (*x);
1488
1489                 if (w) {
1490                         w->hide ();
1491                 }
1492
1493                 _route->remove_processor(*x);
1494         }
1495
1496         no_processor_redisplay = false;
1497         redisplay_processors ();
1498 }
1499
1500 gint
1501 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
1502 {
1503         boost::shared_ptr<Processor> processor (weak_processor.lock());
1504
1505         if (!processor) {
1506                 return false;
1507         }
1508
1509         /* NOT copied to _mixer.selection() */
1510
1511         no_processor_redisplay = true;
1512         _route->remove_processor (processor);
1513         no_processor_redisplay = false;
1514         redisplay_processors ();
1515
1516         return false;
1517 }
1518
1519 void
1520 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
1521 {
1522         ArdourPrompter name_prompter (true);
1523         string result;
1524         name_prompter.set_title (_("Rename Processor"));
1525         name_prompter.set_prompt (_("New name:"));
1526         name_prompter.set_initial_text (processor->name());
1527         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1528         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1529         name_prompter.show_all ();
1530
1531         switch (name_prompter.run ()) {
1532
1533         case Gtk::RESPONSE_ACCEPT:
1534                 name_prompter.get_result (result);
1535                 if (result.length()) {
1536
1537                        int tries = 0;
1538                        string test = result;
1539
1540                        while (tries < 100) {
1541                                if (_session->io_name_is_legal (test)) {
1542                                        result = test;
1543                                        break;
1544                                }
1545                                tries++;
1546
1547                                test = string_compose ("%1-%2", result, tries);
1548                        }
1549
1550                        if (tries < 100) {
1551                                processor->set_name (result);
1552                        } else {
1553                                /* unlikely! */
1554                                ARDOUR_UI::instance()->popup_error
1555                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
1556                        }
1557                 }
1558                 break;
1559         }
1560
1561         return;
1562 }
1563
1564 void
1565 ProcessorBox::paste_processors ()
1566 {
1567         if (_rr_selection.processors.empty()) {
1568                 return;
1569         }
1570
1571         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
1572 }
1573
1574 void
1575 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
1576 {
1577
1578         if (_rr_selection.processors.empty()) {
1579                 return;
1580         }
1581
1582         paste_processor_state (_rr_selection.processors.get_node().children(), before);
1583 }
1584
1585 void
1586 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
1587 {
1588         XMLNodeConstIterator niter;
1589         list<boost::shared_ptr<Processor> > copies;
1590
1591         if (nlist.empty()) {
1592                 return;
1593         }
1594
1595         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
1596
1597                 XMLProperty const * type = (*niter)->property ("type");
1598                 assert (type);
1599
1600                 boost::shared_ptr<Processor> p;
1601                 try {
1602                         if (type->value() == "meter" ||
1603                             type->value() == "main-outs" ||
1604                             type->value() == "amp" ||
1605                             type->value() == "intsend" || type->value() == "intreturn") {
1606                                 /* do not paste meter, main outs, amp or internal send/returns */
1607                                 continue;
1608
1609                         } else if (type->value() == "send") {
1610
1611                                 XMLNode n (**niter);
1612                                 Send::make_unique (n, *_session);
1613                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
1614                                 if (s->set_state (n, Stateful::loading_state_version)) {
1615                                         delete s;
1616                                         return;
1617                                 }
1618
1619                                 p.reset (s);
1620
1621
1622                         } else if (type->value() == "return") {
1623
1624                                 XMLNode n (**niter);
1625                                 Return::make_unique (n, *_session);
1626                                 Return* r = new Return (*_session);
1627
1628                                 if (r->set_state (n, Stateful::loading_state_version)) {
1629                                         delete r;
1630                                         return;
1631                                 }
1632
1633                                 p.reset (r);
1634
1635                         } else if (type->value() == "port") {
1636
1637                                 XMLNode n (**niter);
1638                                 p.reset (new PortInsert (*_session, _route->pannable (), _route->mute_master ()));
1639                                 if (p->set_state (n, Stateful::loading_state_version)) {
1640                                         return;
1641                                 }
1642
1643                         } else {
1644                                 /* XXX its a bit limiting to assume that everything else
1645                                    is a plugin.
1646                                 */
1647
1648                                 p.reset (new PluginInsert (*_session));
1649                                 p->set_state (**niter, Stateful::current_state_version);
1650                         }
1651
1652                         copies.push_back (p);
1653                 }
1654
1655                 catch (...) {
1656                         cerr << "plugin insert constructor failed\n";
1657                 }
1658         }
1659
1660         if (copies.empty()) {
1661                 return;
1662         }
1663
1664         if (_route->add_processors (copies, p)) {
1665
1666                 string msg = _(
1667                         "Copying the set of processors on the clipboard failed,\n\
1668 probably because the I/O configuration of the plugins\n\
1669 could not match the configuration of this track.");
1670                 MessageDialog am (msg);
1671                 am.run ();
1672         }
1673 }
1674
1675 void
1676 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
1677 {
1678         r->activate ();
1679 }
1680
1681 void
1682 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
1683 {
1684         r->deactivate ();
1685 }
1686
1687 void
1688 ProcessorBox::get_selected_processors (ProcSelection& processors) const
1689 {
1690         const list<ProcessorEntry*> selection = processor_display.selection ();
1691         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
1692                 processors.push_back ((*i)->processor ());
1693         }
1694 }
1695
1696 void
1697 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1698 {
1699         list<ProcessorEntry*> selection = processor_display.selection ();
1700         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
1701                 (this->*method) ((*i)->processor ());
1702         }
1703 }
1704
1705 void
1706 ProcessorBox::all_processors_active (bool state)
1707 {
1708         _route->all_processors_active (_placement, state);
1709 }
1710
1711 void
1712 ProcessorBox::ab_plugins ()
1713 {
1714         _route->ab_plugins (ab_direction);
1715         ab_direction = !ab_direction;
1716 }
1717
1718
1719 void
1720 ProcessorBox::clear_processors ()
1721 {
1722         string prompt;
1723         vector<string> choices;
1724
1725         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
1726                                    "(this cannot be undone)"), _route->name());
1727
1728         choices.push_back (_("Cancel"));
1729         choices.push_back (_("Yes, remove them all"));
1730
1731         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1732
1733         if (prompter.run () == 1) {
1734                 _route->clear_processors (PreFader);
1735                 _route->clear_processors (PostFader);
1736         }
1737 }
1738
1739 void
1740 ProcessorBox::clear_processors (Placement p)
1741 {
1742         string prompt;
1743         vector<string> choices;
1744
1745         if (p == PreFader) {
1746                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
1747                                            "(this cannot be undone)"), _route->name());
1748         } else {
1749                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
1750                                            "(this cannot be undone)"), _route->name());
1751         }
1752
1753         choices.push_back (_("Cancel"));
1754         choices.push_back (_("Yes, remove them all"));
1755
1756         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1757
1758         if (prompter.run () == 1) {
1759                 _route->clear_processors (p);
1760         }
1761 }
1762
1763 bool
1764 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
1765 {
1766         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
1767         if (at && at->freeze_state() == AudioTrack::Frozen) {
1768                 return false;
1769         }
1770
1771         if (
1772                 boost::dynamic_pointer_cast<Send> (processor) ||
1773                 boost::dynamic_pointer_cast<Return> (processor) ||
1774                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
1775                 boost::dynamic_pointer_cast<PortInsert> (processor)
1776                 ) {
1777                 return true;
1778         }
1779
1780         return false;
1781 }
1782
1783 bool
1784 ProcessorBox::one_processor_can_be_edited ()
1785 {
1786         list<ProcessorEntry*> selection = processor_display.selection ();
1787         list<ProcessorEntry*>::iterator i = selection.begin();
1788         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
1789                 ++i;
1790         }
1791
1792         return (i != selection.end());
1793 }
1794
1795 void
1796 ProcessorBox::toggle_edit_processor (boost::shared_ptr<Processor> processor)
1797 {
1798         boost::shared_ptr<Send> send;
1799         boost::shared_ptr<InternalSend> internal_send;
1800         boost::shared_ptr<Return> retrn;
1801         boost::shared_ptr<PluginInsert> plugin_insert;
1802         boost::shared_ptr<PortInsert> port_insert;
1803         Window* gidget = 0;
1804
1805         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1806
1807                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1808                         return;
1809                 }
1810         }
1811
1812         if (boost::dynamic_pointer_cast<Amp> (processor)) {
1813
1814                 _parent_strip->revert_to_default_display ();
1815
1816         } else if ((internal_send = boost::dynamic_pointer_cast<InternalSend> (processor)) != 0) {
1817
1818                 if (!_session->engine().connected()) {
1819                         return;
1820                 }
1821
1822                 if (_parent_strip) {
1823                         if (boost::dynamic_pointer_cast<Send> (_parent_strip->current_delivery()) == internal_send) {
1824                                 _parent_strip->revert_to_default_display ();
1825                         } else {
1826                                 _parent_strip->show_send (internal_send);
1827                         }
1828                 }
1829
1830         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1831
1832                 if (!_session->engine().connected()) {
1833                         return;
1834                 }
1835
1836                 SendUIWindow* w = new SendUIWindow (send, _session);
1837                 w->show ();
1838
1839         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
1840
1841                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
1842                         /* no GUI for these */
1843                         return;
1844                 }
1845
1846                 if (!_session->engine().connected()) {
1847                         return;
1848                 }
1849
1850                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
1851
1852                 ReturnUIWindow *return_ui;
1853                 Window* w = get_processor_ui (retrn);
1854
1855                 if (w == 0) {
1856
1857                         return_ui = new ReturnUIWindow (retrn, _session);
1858                         return_ui->set_title (retrn->name ());
1859                         set_processor_ui (send, return_ui);
1860
1861                 } else {
1862                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
1863                 }
1864
1865                 gidget = return_ui;
1866
1867         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1868
1869                 PluginUIWindow *plugin_ui;
1870
1871                 /* these are both allowed to be null */
1872
1873                 Container* toplevel = get_toplevel();
1874                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1875
1876                 Window* w = get_processor_ui (plugin_insert);
1877
1878                 if (w == 0) {
1879
1880                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1881                         plugin_ui->set_title (generate_processor_title (plugin_insert));
1882                         set_processor_ui (plugin_insert, plugin_ui);
1883
1884                 } else {
1885                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
1886                         plugin_ui->set_parent (win);
1887                 }
1888
1889                 gidget = plugin_ui;
1890
1891         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1892
1893                 if (!_session->engine().connected()) {
1894                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1895                         msg.run ();
1896                         return;
1897                 }
1898
1899                 PortInsertWindow *io_selector;
1900
1901                 Window* w = get_processor_ui (port_insert);
1902
1903                 if (w == 0) {
1904                         io_selector = new PortInsertWindow (_session, port_insert);
1905                         set_processor_ui (port_insert, io_selector);
1906
1907                 } else {
1908                         io_selector = dynamic_cast<PortInsertWindow *> (w);
1909                 }
1910
1911                 gidget = io_selector;
1912         }
1913
1914         if (gidget) {
1915                 if (gidget->is_visible()) {
1916                         gidget->hide ();
1917                 } else {
1918                         gidget->show_all ();
1919                         gidget->present ();
1920                 }
1921         }
1922 }
1923
1924 void
1925 ProcessorBox::register_actions ()
1926 {
1927         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("ProcessorMenu"));
1928         Glib::RefPtr<Action> act;
1929
1930         /* new stuff */
1931         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
1932                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1933
1934         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
1935                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1936         ActionManager::jack_sensitive_actions.push_back (act);
1937         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),
1938                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
1939         ActionManager::jack_sensitive_actions.push_back (act);
1940
1941         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
1942
1943         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
1944                         sigc::ptr_fun (ProcessorBox::rb_clear));
1945         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
1946                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
1947         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
1948                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
1949
1950         /* standard editing stuff */
1951         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
1952                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
1953         ActionManager::plugin_selection_sensitive_actions.push_back(cut_action);
1954         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
1955                         sigc::ptr_fun (ProcessorBox::rb_copy));
1956         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1957
1958         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
1959                         sigc::ptr_fun (ProcessorBox::rb_delete));
1960         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1961
1962         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
1963                         sigc::ptr_fun (ProcessorBox::rb_paste));
1964         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
1965                         sigc::ptr_fun (ProcessorBox::rb_rename));
1966         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
1967                         sigc::ptr_fun (ProcessorBox::rb_select_all));
1968         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
1969                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1970
1971         /* activation etc. */
1972
1973         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),
1974                                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
1975         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),
1976                                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1977         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
1978                                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
1979
1980         /* show editors */
1981         edit_action = ActionManager::register_action (popup_act_grp, X_("edit"), _("Edit..."),
1982                                                       sigc::ptr_fun (ProcessorBox::rb_edit));
1983
1984         ActionManager::add_action_group (popup_act_grp);
1985 }
1986
1987 void
1988 ProcessorBox::rb_ab_plugins ()
1989 {
1990         if (_current_processor_box == 0) {
1991                 return;
1992         }
1993
1994         _current_processor_box->ab_plugins ();
1995 }
1996
1997 void
1998 ProcessorBox::rb_choose_plugin ()
1999 {
2000         if (_current_processor_box == 0) {
2001                 return;
2002         }
2003         _current_processor_box->choose_plugin ();
2004 }
2005
2006 void
2007 ProcessorBox::rb_choose_insert ()
2008 {
2009         if (_current_processor_box == 0) {
2010                 return;
2011         }
2012         _current_processor_box->choose_insert ();
2013 }
2014
2015 void
2016 ProcessorBox::rb_choose_send ()
2017 {
2018         if (_current_processor_box == 0) {
2019                 return;
2020         }
2021         _current_processor_box->choose_send ();
2022 }
2023
2024 void
2025 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2026 {
2027         if (_current_processor_box == 0) {
2028                 return;
2029         }
2030
2031         _current_processor_box->choose_aux (wr);
2032 }
2033
2034 void
2035 ProcessorBox::rb_clear ()
2036 {
2037         if (_current_processor_box == 0) {
2038                 return;
2039         }
2040
2041         _current_processor_box->clear_processors ();
2042 }
2043
2044
2045 void
2046 ProcessorBox::rb_clear_pre ()
2047 {
2048         if (_current_processor_box == 0) {
2049                 return;
2050         }
2051
2052         _current_processor_box->clear_processors (PreFader);
2053 }
2054
2055
2056 void
2057 ProcessorBox::rb_clear_post ()
2058 {
2059         if (_current_processor_box == 0) {
2060                 return;
2061         }
2062
2063         _current_processor_box->clear_processors (PostFader);
2064 }
2065
2066 void
2067 ProcessorBox::rb_cut ()
2068 {
2069         if (_current_processor_box == 0) {
2070                 return;
2071         }
2072
2073         _current_processor_box->cut_processors ();
2074 }
2075
2076 void
2077 ProcessorBox::rb_delete ()
2078 {
2079         if (_current_processor_box == 0) {
2080                 return;
2081         }
2082
2083         _current_processor_box->delete_processors ();
2084 }
2085
2086 void
2087 ProcessorBox::rb_copy ()
2088 {
2089         if (_current_processor_box == 0) {
2090                 return;
2091         }
2092         _current_processor_box->copy_processors ();
2093 }
2094
2095 void
2096 ProcessorBox::rb_paste ()
2097 {
2098         if (_current_processor_box == 0) {
2099                 return;
2100         }
2101
2102         _current_processor_box->paste_processors ();
2103 }
2104
2105 void
2106 ProcessorBox::rb_rename ()
2107 {
2108         if (_current_processor_box == 0) {
2109                 return;
2110         }
2111         _current_processor_box->rename_processors ();
2112 }
2113
2114 void
2115 ProcessorBox::rb_select_all ()
2116 {
2117         if (_current_processor_box == 0) {
2118                 return;
2119         }
2120
2121         _current_processor_box->select_all_processors ();
2122 }
2123
2124 void
2125 ProcessorBox::rb_deselect_all ()
2126 {
2127         if (_current_processor_box == 0) {
2128                 return;
2129         }
2130
2131         _current_processor_box->deselect_all_processors ();
2132 }
2133
2134 void
2135 ProcessorBox::rb_activate_all ()
2136 {
2137         if (_current_processor_box == 0) {
2138                 return;
2139         }
2140
2141         _current_processor_box->all_processors_active (true);
2142 }
2143
2144 void
2145 ProcessorBox::rb_deactivate_all ()
2146 {
2147         if (_current_processor_box == 0) {
2148                 return;
2149         }
2150         _current_processor_box->all_processors_active (false);
2151 }
2152
2153 void
2154 ProcessorBox::rb_edit ()
2155 {
2156         if (_current_processor_box == 0) {
2157                 return;
2158         }
2159
2160         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_processor);
2161 }
2162
2163 void
2164 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2165 {
2166         if (!what_changed.contains (ARDOUR::Properties::name)) {
2167                 return;
2168         }
2169
2170         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2171
2172         boost::shared_ptr<Processor> processor;
2173         boost::shared_ptr<PluginInsert> plugin_insert;
2174         boost::shared_ptr<Send> send;
2175
2176         list<ProcessorEntry*> children = processor_display.children();
2177
2178         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2179
2180                 processor = (*iter)->processor ();
2181
2182                 Window* w = get_processor_ui (processor);
2183
2184                 if (!w) {
2185                         continue;
2186                 }
2187
2188                 /* rename editor windows for sends and plugins */
2189
2190                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2191                         w->set_title (send->name ());
2192                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2193                         w->set_title (generate_processor_title (plugin_insert));
2194                 }
2195         }
2196 }
2197
2198 string
2199 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2200 {
2201         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2202         string::size_type email_pos;
2203
2204         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2205                 maker = maker.substr (0, email_pos - 1);
2206         }
2207
2208         if (maker.length() > 32) {
2209                 maker = maker.substr (0, 32);
2210                 maker += " ...";
2211         }
2212
2213         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
2214 }
2215
2216 void
2217 ProcessorBox::on_size_allocate (Allocation& a)
2218 {
2219         HBox::on_size_allocate (a);
2220
2221         list<ProcessorEntry*> children = processor_display.children ();
2222         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2223                 (*i)->set_pixel_width (a.get_width ());
2224         }
2225 }
2226
2227 /** @param p Processor.
2228  *  @return the UI window for \a p.
2229  */
2230 Window *
2231 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2232 {
2233         list<ProcessorWindowProxy*>::const_iterator i = _processor_window_proxies.begin ();
2234         while (i != _processor_window_proxies.end()) {
2235                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2236                 if (t && t == p) {
2237                         return (*i)->get ();
2238                 }
2239
2240                 ++i;
2241         }
2242
2243         /* we shouldn't get here, because the ProcessorUIList should always contain
2244            an entry for each processor.
2245         */
2246         assert (false);
2247         return 0;
2248 }
2249
2250 /** Make a note of the UI window that a processor is using.
2251  *  @param p Processor.
2252  *  @param w UI window.
2253  */
2254 void
2255 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2256 {
2257         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
2258
2259         p->set_ui (w);
2260
2261         while (i != _processor_window_proxies.end()) {
2262                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2263                 if (t && t == p) {
2264                         (*i)->set (w);
2265                         return;
2266                 }
2267
2268                 ++i;
2269         }
2270
2271         /* we shouldn't get here, because the ProcessorUIList should always contain
2272            an entry for each processor.
2273         */
2274         assert (false);
2275 }
2276
2277 void
2278 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2279 {
2280         boost::shared_ptr<Delivery> d = w.lock ();
2281         if (!d) {
2282                 return;
2283         }
2284
2285         list<ProcessorEntry*> children = processor_display.children ();
2286         list<ProcessorEntry*>::const_iterator i = children.begin();
2287         while (i != children.end() && (*i)->processor() != d) {
2288                 ++i;
2289         }
2290
2291         if (i == children.end()) {
2292                 processor_display.set_active (0);
2293         } else {
2294                 processor_display.set_active (*i);
2295         }
2296 }
2297
2298 void
2299 ProcessorBox::hide_things ()
2300 {
2301         list<ProcessorEntry*> c = processor_display.children ();
2302         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2303                 (*i)->hide_things ();
2304         }
2305 }
2306
2307 ProcessorWindowProxy::ProcessorWindowProxy (
2308         string const & name,
2309         XMLNode const * node,
2310         ProcessorBox* box,
2311         boost::weak_ptr<Processor> processor
2312         )
2313         : WindowProxy<Gtk::Window> (name, node)
2314         , marked (false)
2315         , _processor_box (box)
2316         , _processor (processor)
2317 {
2318
2319 }
2320
2321
2322 void
2323 ProcessorWindowProxy::show ()
2324 {
2325         boost::shared_ptr<Processor> p = _processor.lock ();
2326         if (!p) {
2327                 return;
2328         }
2329
2330         _processor_box->toggle_edit_processor (p);
2331 }
2332