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 #include "canvas/utils.h"
  32
  33 #include <glibmm/miscutils.h>
  34 #include <glibmm/fileutils.h>
  35
  36 #include <gtkmm/messagedialog.h>
  37
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/utils.h>
  40 #include <gtkmm2ext/choice.h>
  41 #include <gtkmm2ext/utils.h>
  42 #include <gtkmm2ext/doi.h>
  43 #include <gtkmm2ext/rgb_macros.h>
  44
  45 #include "ardour/amp.h"
  46 #include "ardour/audio_track.h"
  47 #include "ardour/audioengine.h"
  48 #include "ardour/internal_return.h"
  49 #include "ardour/internal_send.h"
  50 #include "ardour/luaproc.h"
  51 #include "ardour/luascripting.h"
  52 #include "ardour/meter.h"
  53 #include "ardour/panner_shell.h"
  54 #include "ardour/plugin_insert.h"
  55 #include "ardour/pannable.h"
  56 #include "ardour/port_insert.h"
  57 #include "ardour/profile.h"
  58 #include "ardour/return.h"
  59 #include "ardour/route.h"
  60 #include "ardour/send.h"
  61 #include "ardour/session.h"
  62 #include "ardour/types.h"
  63
  64 #include "LuaBridge/LuaBridge.h"
  65
  66 #include "actions.h"
  67 #include "ardour_dialog.h"
  68 #include "ardour_ui.h"
  69 #include "gui_thread.h"
  70 #include "io_selector.h"
  71 #include "keyboard.h"
  72 #include "luainstance.h"
  73 #include "mixer_ui.h"
  74 #include "mixer_strip.h"
  75 #include "plugin_pin_dialog.h"
  76 #include "plugin_selector.h"
  77 #include "plugin_ui.h"
  78 #include "port_insert_ui.h"
  79 #include "processor_box.h"
  80 #include "public_editor.h"
  81 #include "return_ui.h"
  82 #include "route_processor_selection.h"
  83 #include "script_selector.h"
  84 #include "send_ui.h"
  85 #include "timers.h"
  86 #include "tooltips.h"
  87 #include "new_plugin_preset_dialog.h"
  88
  89 #include "i18n.h"
  90
  91 #ifdef AUDIOUNIT_SUPPORT
  92 class AUPluginUI;
  93 #endif
  94
  95 #ifndef NDEBUG
  96 bool ProcessorBox::show_all_processors = false;
  97 #endif
  98
  99 using namespace std;
 100 using namespace ARDOUR;
 101 using namespace PBD;
 102 using namespace Gtk;
 103 using namespace Glib;
 104 using namespace Gtkmm2ext;
 105
 106 ProcessorBox*  ProcessorBox::_current_processor_box = 0;
 107 RefPtr<Action> ProcessorBox::paste_action;
 108 RefPtr<Action> ProcessorBox::cut_action;
 109 RefPtr<Action> ProcessorBox::copy_action;
 110 RefPtr<Action> ProcessorBox::rename_action;
 111 RefPtr<Action> ProcessorBox::delete_action;
 112 RefPtr<Action> ProcessorBox::manage_pins_action;
 113 RefPtr<Action> ProcessorBox::edit_action;
 114 RefPtr<Action> ProcessorBox::edit_generic_action;
 115 RefPtr<ActionGroup> ProcessorBox::processor_box_actions;
 116 Gtkmm2ext::ActionMap ProcessorBox::myactions (X_("processor box"));
 117 Gtkmm2ext::Bindings* ProcessorBox::bindings = 0;
 118
 119
 120 // TODO consolidate with PluginPinDialog::set_color
 121 static void set_routing_color (cairo_t* cr, bool midi)
 122 {
 123         static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
 124         static const uint32_t midi_port_color = 0x960909FF; //Red
 125
 126         if (midi) {
 127                 cairo_set_source_rgb (cr,
 128                                 UINT_RGBA_R_FLT(midi_port_color),
 129                                 UINT_RGBA_G_FLT(midi_port_color),
 130                                 UINT_RGBA_B_FLT(midi_port_color));
 131         } else {
 132                 cairo_set_source_rgb (cr,
 133                                 UINT_RGBA_R_FLT(audio_port_color),
 134                                 UINT_RGBA_G_FLT(audio_port_color),
 135                                 UINT_RGBA_B_FLT(audio_port_color));
 136         }
 137 }
 138
 139 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
 140         : _button (ArdourButton::led_default_elements)
 141         , _position (PreFader)
 142         , _position_num(0)
 143         , _parent (parent)
 144         , _selectable(true)
 145         , _unknown_processor(false)
 146         , _processor (p)
 147         , _width (w)
 148         , input_icon(true)
 149         , output_icon(false)
 150         , routing_icon(true)
 151         , output_routing_icon(false)
 152         , _plugin_display(0)
 153 {
 154         _vbox.show ();
 155
 156         _button.set_distinct_led_click (true);
 157         _button.set_fallthrough_to_parent(true);
 158         _button.set_led_left (true);
 159         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
 160         _button.set_text (name (_width));
 161
 162         if (boost::dynamic_pointer_cast<PeakMeter> (_processor)) {
 163                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
 164         }
 165         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 166                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
 167                 _unknown_processor = true;
 168         }
 169         {
 170                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 171                 if (pi && pi->plugin() && pi->plugin()->get_info()->type != ARDOUR::Lua) {
 172                         _plugin_preset_pointer = PluginPresetPtr (new PluginPreset (pi->plugin()->get_info()));
 173                 }
 174         }
 175         if (_processor) {
 176
 177                 _vbox.pack_start (routing_icon);
 178                 _vbox.pack_start (input_icon);
 179                 _vbox.pack_start (_button, true, true);
 180
 181                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 182                 if (pi && pi->plugin() && pi->plugin()->has_inline_display()) {
 183                         if (pi->plugin()->get_info()->type != ARDOUR::Lua) {
 184                                 _plugin_display = new PluginDisplay (pi->plugin(),
 185                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
 186                         } else {
 187                                 assert (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()));
 188                                 _plugin_display = new LuaPluginDisplay (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()),
 189                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
 190                         }
 191                         _vbox.pack_start (*_plugin_display);
 192                         _plugin_display->set_no_show_all (true);
 193                         if (UIConfiguration::instance().get_show_inline_display_by_default ()) {
 194                                 _plugin_display->show ();
 195                         }
 196                 }
 197                 _vbox.pack_end (output_routing_icon);
 198                 _vbox.pack_end (output_icon);
 199
 200                 _button.set_active (_processor->active());
 201
 202                 input_icon.set_no_show_all(true);
 203                 routing_icon.set_no_show_all(true);
 204                 output_icon.set_no_show_all(true);
 205                 output_routing_icon.set_no_show_all(true);
 206
 207                 _button.show ();
 208                 input_icon.hide();
 209                 output_icon.show();
 210                 routing_icon.hide();
 211                 output_routing_icon.hide();
 212
 213                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
 214                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
 215                 _processor->ConfigurationChanged.connect (config_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_configuration_changed, this, _1, _2), gui_context());
 216
 217                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
 218                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
 219
 220                         std::string label = _processor->describe_parameter (*i);
 221
 222                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
 223                                 label = _("Send");
 224                         } else if (boost::dynamic_pointer_cast<Return> (_processor)) {
 225                                 label = _("Return");
 226                         }
 227
 228                         Control* c = new Control (_processor->automation_control (*i), label);
 229
 230                         _controls.push_back (c);
 231
 232                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
 233                                 /* Add non-Amp (Fader & Trim) controls to the processor box */
 234                                 _vbox.pack_start (c->box);
 235                         }
 236                 }
 237
 238                 setup_tooltip ();
 239                 setup_visuals ();
 240         } else {
 241                 _vbox.set_size_request (-1, _button.size_request().height);
 242         }
 243 }
 244
 245 ProcessorEntry::~ProcessorEntry ()
 246 {
 247         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 248                 delete *i;
 249         }
 250         delete _plugin_display;
 251 }
 252
 253 EventBox&
 254 ProcessorEntry::action_widget ()
 255 {
 256         return _button;
 257 }
 258
 259 Gtk::Widget&
 260 ProcessorEntry::widget ()
 261 {
 262         return _vbox;
 263 }
 264
 265 string
 266 ProcessorEntry::drag_text () const
 267 {
 268         return name (Wide);
 269 }
 270
 271 bool
 272 ProcessorEntry::can_copy_state (Gtkmm2ext::DnDVBoxChild* o) const
 273 {
 274         ProcessorEntry *other = dynamic_cast<ProcessorEntry*> (o);
 275         if (!other) {
 276                 return false;
 277         }
 278         boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
 279         boost::shared_ptr<PluginInsert> my_pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 280         boost::shared_ptr<PluginInsert> ot_pi = boost::dynamic_pointer_cast<PluginInsert> (otherproc);
 281         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 282                 return false;
 283         }
 284         if (boost::dynamic_pointer_cast<UnknownProcessor> (otherproc)) {
 285                 return false;
 286         }
 287         if (!my_pi || !ot_pi) {
 288                 return false;
 289         }
 290         if (my_pi->type() != ot_pi->type()) {
 291                 return false;
 292         }
 293         boost::shared_ptr<Plugin> my_p = my_pi->plugin();
 294         boost::shared_ptr<Plugin> ot_p = ot_pi->plugin();
 295         if (!my_p || !ot_p) {
 296                 return false;
 297         }
 298         if (my_p->unique_id() != ot_p->unique_id()) {
 299                 return false;
 300         }
 301         return true;
 302 }
 303
 304 bool
 305 ProcessorEntry::drag_data_get (Glib::RefPtr<Gdk::DragContext> const, Gtk::SelectionData &data)
 306 {
 307         if (data.get_target() == "PluginPresetPtr") {
 308                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 309
 310                 if (!_plugin_preset_pointer || !pi) {
 311                         data.set (data.get_target(), 8, NULL, 0);
 312                         return true;
 313                 }
 314
 315                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin();
 316                 assert (plugin);
 317
 318                 PluginManager& manager (PluginManager::instance());
 319                 bool fav = manager.get_status (_plugin_preset_pointer->_pip) == PluginManager::Favorite;
 320
 321                 NewPluginPresetDialog d (plugin,
 322                                 string_compose(_("New Favorite Preset for \"%1\""),_plugin_preset_pointer->_pip->name), !fav);
 323
 324                 _plugin_preset_pointer->_preset.valid = false;
 325
 326                 switch (d.run ()) {
 327                         case Gtk::RESPONSE_CANCEL:
 328                                 data.set (data.get_target(), 8, NULL, 0);
 329                                 return true;
 330                                 break;
 331
 332                         case Gtk::RESPONSE_NO:
 333                                 break;
 334
 335                         case Gtk::RESPONSE_ACCEPT:
 336                                 if (d.name().empty()) {
 337                                         break;
 338                                 }
 339
 340                                 if (d.replace ()) {
 341                                         plugin->remove_preset (d.name ());
 342                                 }
 343
 344                                 Plugin::PresetRecord const r = plugin->save_preset (d.name());
 345
 346                                 if (!r.uri.empty ()) {
 347                                         _plugin_preset_pointer->_preset.uri   = r.uri;
 348                                         _plugin_preset_pointer->_preset.label = r.label;
 349                                         _plugin_preset_pointer->_preset.user  = r.user;
 350                                         _plugin_preset_pointer->_preset.valid = r.valid;
 351                                 }
 352                 }
 353                 data.set (data.get_target(), 8, (const guchar *) &_plugin_preset_pointer, sizeof (PluginPresetPtr));
 354                 return true;
 355         }
 356         return false;
 357 }
 358
 359 void
 360 ProcessorEntry::set_position (Position p, uint32_t num)
 361 {
 362         _position = p;
 363         _position_num = num;
 364         setup_visuals ();
 365 }
 366
 367 void
 368 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
 369 {
 370         if (yn) {
 371                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
 372         } else {
 373                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
 374         }
 375 }
 376
 377 void
 378 ProcessorEntry::setup_visuals ()
 379 {
 380         if (_unknown_processor) {
 381                 _button.set_name ("processor stub");
 382                 return;
 383         }
 384
 385         switch (_position) {
 386         case PreFader:
 387                 if (_plugin_display) { _plugin_display->set_name ("processor prefader"); }
 388                 _button.set_name ("processor prefader");
 389                 break;
 390
 391         case Fader:
 392                 _button.set_name ("processor fader");
 393                 break;
 394
 395         case PostFader:
 396                 if (_plugin_display) { _plugin_display->set_name ("processor postfader"); }
 397                 _button.set_name ("processor postfader");
 398                 break;
 399         }
 400 }
 401
 402
 403 boost::shared_ptr<Processor>
 404 ProcessorEntry::processor () const
 405 {
 406         if (!_processor) {
 407                 return boost::shared_ptr<Processor>();
 408         }
 409         return _processor;
 410 }
 411
 412 void
 413 ProcessorEntry::set_enum_width (Width w)
 414 {
 415         _width = w;
 416         _button.set_text (name (_width));
 417 }
 418
 419 void
 420 ProcessorEntry::led_clicked(GdkEventButton *ev)
 421 {
 422         bool ctrl_shift_pressed = false;
 423         Keyboard::ModifierMask ctrl_shift_mask = Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier);
 424
 425         if (Keyboard::modifier_state_equals (ev->state, ctrl_shift_mask)) {
 426                 ctrl_shift_pressed = true;
 427         }
 428
 429         if (_processor) {
 430                 if (_button.get_active ()) {
 431                         if (ctrl_shift_pressed) {
 432                                 _parent->all_visible_processors_active(false);
 433
 434                                 if (_position == Fader) {
 435                                         _processor->deactivate ();
 436                                 }
 437                         }
 438                         else {
 439                                 _processor->deactivate ();
 440                         }
 441
 442                 } else {
 443                         if (ctrl_shift_pressed) {
 444                                 _parent->all_visible_processors_active(true);
 445
 446                                 if (_position == Fader) {
 447                                         _processor->activate ();
 448                                 }
 449                         }
 450                         else {
 451                                 _processor->activate ();
 452                         }
 453                 }
 454         }
 455 }
 456
 457 void
 458 ProcessorEntry::processor_active_changed ()
 459 {
 460         if (_processor) {
 461                 _button.set_active (_processor->active());
 462         }
 463 }
 464
 465 void
 466 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
 467 {
 468         if (what_changed.contains (ARDOUR::Properties::name)) {
 469                 _button.set_text (name (_width));
 470                 setup_tooltip ();
 471         }
 472 }
 473
 474 void
 475 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
 476 {
 477         _parent->setup_routing_feeds ();
 478         input_icon.queue_draw();
 479         output_icon.queue_draw();
 480         routing_icon.queue_draw();
 481         output_routing_icon.queue_draw();
 482 }
 483
 484 void
 485 ProcessorEntry::setup_tooltip ()
 486 {
 487         if (_processor) {
 488                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 489                 if (pi) {
 490                         std::string postfix = "";
 491                         uint32_t replicated;
 492                         if ((replicated = pi->get_count()) > 1) {
 493                                 postfix = string_compose(_("\nThis mono plugin has been replicated %1 times."), replicated);
 494                         }
 495                         if (pi->plugin()->has_editor()) {
 496                                 ARDOUR_UI_UTILS::set_tooltip (_button,
 497                                                 string_compose (_("<b>%1</b>\nDouble-click to show GUI.\n%2+double-click to show generic GUI.%3"), name (Wide), Keyboard::primary_modifier_name (), postfix));
 498                         } else {
 499                                 ARDOUR_UI_UTILS::set_tooltip (_button,
 500                                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), name (Wide), postfix));
 501                         }
 502                         return;
 503                 }
 504                 if(boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 505                         ARDOUR_UI::instance()->set_tip (_button,
 506                                         string_compose (_("<b>%1</b>\nThe Plugin is not available on this system\nand has been replaced by a stub."), name (Wide)));
 507                         return;
 508                 }
 509         }
 510         ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>%1</b>", name (Wide)));
 511 }
 512
 513 string
 514 ProcessorEntry::name (Width w) const
 515 {
 516         boost::shared_ptr<Send> send;
 517         string name_display;
 518
 519         if (!_processor) {
 520                 return string();
 521         }
 522
 523         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
 524             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 525
 526                 name_display += '>';
 527
 528                 /* grab the send name out of its overall name */
 529
 530                 string::size_type lbracket, rbracket;
 531                 lbracket = send->name().find ('[');
 532                 rbracket = send->name().find (']');
 533
 534                 switch (w) {
 535                 case Wide:
 536                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
 537                         break;
 538                 case Narrow:
 539                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
 540                         break;
 541                 }
 542
 543         } else {
 544                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
 545                 uint32_t replicated;
 546                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
 547                                 && (replicated = pi->get_count()) > 1)
 548                 {
 549                         name_display += string_compose(_("(%1x1) "), replicated);
 550                 }
 551
 552                 switch (w) {
 553                 case Wide:
 554                         name_display += _processor->display_name();
 555                         break;
 556                 case Narrow:
 557                         name_display += PBD::short_version (_processor->display_name(), 5);
 558                         break;
 559                 }
 560
 561         }
 562
 563         return name_display;
 564 }
 565
 566 void
 567 ProcessorEntry::show_all_controls ()
 568 {
 569         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 570                 (*i)->set_visible (true);
 571         }
 572
 573         _parent->update_gui_object_state (this);
 574 }
 575
 576 void
 577 ProcessorEntry::hide_all_controls ()
 578 {
 579         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 580                 (*i)->set_visible (false);
 581         }
 582
 583         _parent->update_gui_object_state (this);
 584 }
 585
 586 void
 587 ProcessorEntry::add_control_state (XMLNode* node) const
 588 {
 589         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 590                 (*i)->add_state (node);
 591         }
 592
 593         if (_plugin_display) {
 594                 XMLNode* c = new XMLNode (X_("Object"));
 595                 c->add_property (X_("id"), X_("InlineDisplay"));
 596                 c->add_property (X_("visible"), _plugin_display->is_visible ());
 597                 node->add_child_nocopy (*c);
 598         }
 599 }
 600
 601 void
 602 ProcessorEntry::set_control_state (XMLNode const * node)
 603 {
 604         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 605                 (*i)->set_state (node);
 606         }
 607
 608         if (_plugin_display) {
 609                 XMLNode* n = GUIObjectState::get_node (node, X_("InlineDisplay"));
 610                 XMLProperty* p = n ? n->property (X_("visible")) : NULL;
 611                 if (p) {
 612                         if (string_is_affirmative (p->value ())) {
 613                                 _plugin_display->show();
 614                         } else {
 615                                 _plugin_display->hide();
 616                         }
 617                 }
 618         }
 619 }
 620
 621 string
 622 ProcessorEntry::state_id () const
 623 {
 624         return string_compose ("processor %1", _processor->id().to_s());
 625 }
 626
 627 void
 628 ProcessorEntry::hide_things ()
 629 {
 630         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 631                 (*i)->hide_things ();
 632         }
 633 }
 634
 635
 636 Menu *
 637 ProcessorEntry::build_controls_menu ()
 638 {
 639         using namespace Menu_Helpers;
 640         Menu* menu = manage (new Menu);
 641         MenuList& items = menu->items ();
 642
 643         if (_plugin_display) {
 644                 items.push_back (CheckMenuElem (_("Inline Display")));
 645                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 646                 c->set_active (_plugin_display->is_visible ());
 647                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_inline_display_visibility));
 648                 items.push_back (SeparatorElem ());
 649         }
 650
 651         items.push_back (
 652                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
 653                 );
 654
 655         items.push_back (
 656                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
 657                 );
 658
 659         if (!_controls.empty ()) {
 660                 items.push_back (SeparatorElem ());
 661         }
 662
 663         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 664                 items.push_back (CheckMenuElem ((*i)->name ()));
 665                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 666                 c->set_active ((*i)->visible ());
 667                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
 668         }
 669
 670         return menu;
 671 }
 672
 673 void
 674 ProcessorEntry::toggle_inline_display_visibility ()
 675 {
 676         if (_plugin_display->is_visible ()) {
 677                 _plugin_display->hide();
 678         } else {
 679                 _plugin_display->show();
 680         }
 681         _parent->update_gui_object_state (this);
 682 }
 683
 684 void
 685 ProcessorEntry::toggle_control_visibility (Control* c)
 686 {
 687         c->set_visible (!c->visible ());
 688         _parent->update_gui_object_state (this);
 689 }
 690
 691 Menu *
 692 ProcessorEntry::build_send_options_menu ()
 693 {
 694         using namespace Menu_Helpers;
 695         Menu* menu = manage (new Menu);
 696         MenuList& items = menu->items ();
 697
 698         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 699         if (send) {
 700
 701                 items.push_back (CheckMenuElem (_("Link panner controls")));
 702                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 703                 c->set_active (send->panner_shell()->is_linked_to_route());
 704                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
 705
 706         }
 707         return menu;
 708 }
 709
 710 void
 711 ProcessorEntry::toggle_panner_link ()
 712 {
 713         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 714         if (send) {
 715                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
 716         }
 717 }
 718
 719 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
 720         : _control (c)
 721         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
 722         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * UIConfiguration::instance().get_ui_scale())))
 723         , _slider_persistant_tooltip (&_slider)
 724         , _button (ArdourButton::led_default_elements)
 725         , _ignore_ui_adjustment (false)
 726         , _visible (false)
 727         , _name (n)
 728 {
 729         _slider.set_controllable (c);
 730         box.set_padding(0, 0, 4, 4);
 731
 732         if (c->toggled()) {
 733                 _button.set_text (_name);
 734                 _button.set_led_left (true);
 735                 _button.set_name ("processor control button");
 736                 box.add (_button);
 737                 _button.show ();
 738
 739                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
 740                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked_event));
 741                 // dup. currently timers are used :(
 742                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 743
 744         } else {
 745
 746                 _slider.set_name ("ProcessorControlSlider");
 747                 _slider.set_text (_name);
 748
 749                 box.add (_slider);
 750                 _slider.show ();
 751
 752                 const ARDOUR::ParameterDescriptor& desc = c->desc();
 753                 double const lo = c->internal_to_interface(desc.lower);
 754                 double const up = c->internal_to_interface(desc.upper);
 755                 double const normal = c->internal_to_interface(desc.normal);
 756                 double smallstep = desc.smallstep;
 757                 double largestep = desc.largestep;
 758
 759                 if (smallstep == 0.0) {
 760                         smallstep = up / 1000.;
 761                 } else {
 762                         smallstep = c->internal_to_interface(desc.lower + smallstep);
 763                 }
 764
 765                 if (largestep == 0.0) {
 766                         largestep = up / 40.;
 767                 } else {
 768                         largestep = c->internal_to_interface(desc.lower + largestep);
 769                 }
 770
 771                 _adjustment.set_lower (lo);
 772                 _adjustment.set_upper (up);
 773                 _adjustment.set_step_increment (smallstep);
 774                 _adjustment.set_page_increment (largestep);
 775                 _slider.set_default_value (normal);
 776
 777                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
 778                 // dup. currently timers are used :(
 779                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 780         }
 781
 782         // yuck, do we really need to do this?
 783         // according to c404374 this is only needed for send automation
 784         timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &Control::control_changed));
 785
 786         control_changed ();
 787         set_tooltip ();
 788
 789         /* We're providing our own PersistentTooltip */
 790         set_no_tooltip_whatsoever (_slider);
 791 }
 792
 793 ProcessorEntry::Control::~Control ()
 794 {
 795         timer_connection.disconnect ();
 796 }
 797
 798 void
 799 ProcessorEntry::Control::set_tooltip ()
 800 {
 801         boost::shared_ptr<AutomationControl> c = _control.lock ();
 802
 803         if (!c) {
 804                 return;
 805         }
 806         char tmp[256];
 807         if (c->toggled ()) {
 808                 snprintf (tmp, sizeof(tmp), "%s: %s", _name.c_str(), c->get_value() > 0.5 ? _("on") : _("off"));
 809         } else {
 810                 snprintf (tmp, sizeof(tmp), "%s: %.2f", _name.c_str(), c->internal_to_user (c->get_value ()));
 811         }
 812
 813         string sm = Gtkmm2ext::markup_escape_text (tmp);
 814         _slider_persistant_tooltip.set_tip (sm);
 815         ARDOUR_UI_UTILS::set_tooltip (_button, sm);
 816 }
 817
 818 void
 819 ProcessorEntry::Control::slider_adjusted ()
 820 {
 821         if (_ignore_ui_adjustment) {
 822                 return;
 823         }
 824
 825         boost::shared_ptr<AutomationControl> c = _control.lock ();
 826
 827         if (!c) {
 828                 return;
 829         }
 830
 831         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) , Controllable::NoGroup);
 832         set_tooltip ();
 833 }
 834
 835 void
 836 ProcessorEntry::Control::button_clicked ()
 837 {
 838         boost::shared_ptr<AutomationControl> c = _control.lock ();
 839
 840         if (!c) {
 841                 return;
 842         }
 843
 844         bool const n = _button.get_active ();
 845
 846         c->set_value (n ? 0 : 1, Controllable::NoGroup);
 847         _button.set_active (!n);
 848         set_tooltip ();
 849 }
 850
 851 void
 852 ProcessorEntry::Control::button_clicked_event (GdkEventButton *ev)
 853 {
 854         (void) ev;
 855
 856         button_clicked ();
 857 }
 858
 859 void
 860 ProcessorEntry::Control::control_changed ()
 861 {
 862         boost::shared_ptr<AutomationControl> c = _control.lock ();
 863         if (!c) {
 864                 return;
 865         }
 866
 867         _ignore_ui_adjustment = true;
 868
 869         if (c->toggled ()) {
 870
 871                 _button.set_active (c->get_value() > 0.5);
 872
 873         } else {
 874                 // as long as rapid timers are used, only update the tooltip
 875                 // if the value has changed.
 876                 const double nval = c->internal_to_interface (c->get_value ());
 877                 if (_adjustment.get_value() != nval) {
 878                         _adjustment.set_value (nval);
 879                         set_tooltip ();
 880                 }
 881         }
 882
 883         _ignore_ui_adjustment = false;
 884 }
 885
 886 void
 887 ProcessorEntry::Control::add_state (XMLNode* node) const
 888 {
 889         XMLNode* c = new XMLNode (X_("Object"));
 890         c->add_property (X_("id"), state_id ());
 891         c->add_property (X_("visible"), _visible);
 892         node->add_child_nocopy (*c);
 893 }
 894
 895 void
 896 ProcessorEntry::Control::set_state (XMLNode const * node)
 897 {
 898         XMLNode* n = GUIObjectState::get_node (node, state_id ());
 899         if (n) {
 900                 XMLProperty* p = n->property (X_("visible"));
 901                 set_visible (p && string_is_affirmative (p->value ()));
 902         } else {
 903                 set_visible (false);
 904         }
 905 }
 906
 907 void
 908 ProcessorEntry::Control::set_visible (bool v)
 909 {
 910         if (v) {
 911                 box.show ();
 912         } else {
 913                 box.hide ();
 914         }
 915
 916         _visible = v;
 917 }
 918
 919 /** Called when the Editor might have re-shown things that
 920     we want hidden.
 921 */
 922 void
 923 ProcessorEntry::Control::hide_things ()
 924 {
 925         if (!_visible) {
 926                 box.hide ();
 927         }
 928 }
 929
 930 string
 931 ProcessorEntry::Control::state_id () const
 932 {
 933         boost::shared_ptr<AutomationControl> c = _control.lock ();
 934         assert (c);
 935
 936         return string_compose (X_("control %1"), c->id().to_s ());
 937 }
 938
 939 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
 940         : ProcessorEntry (b, p, w)
 941         , _plugin_insert (p)
 942 {
 943         p->PluginIoReConfigure.connect (
 944                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 945                 );
 946         p->PluginMapChanged.connect (
 947                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 948                 );
 949         p->PluginConfigChanged.connect (
 950                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 951                 );
 952 }
 953
 954 void
 955 PluginInsertProcessorEntry::iomap_changed ()
 956 {
 957         _parent->setup_routing_feeds ();
 958         routing_icon.queue_draw();
 959         output_routing_icon.queue_draw();
 960 }
 961
 962 void
 963 PluginInsertProcessorEntry::hide_things ()
 964 {
 965         ProcessorEntry::hide_things ();
 966 }
 967
 968 ProcessorEntry::PortIcon::PortIcon(bool input) {
 969         _input = input;
 970         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
 971         set_size_request (-1, std::max (2.f, rintf(2.f * UIConfiguration::instance().get_ui_scale())));
 972 }
 973
 974 bool
 975 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
 976 {
 977         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
 978
 979         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
 980         cairo_clip (cr);
 981
 982         Gtk::Allocation a = get_allocation();
 983         double const width = a.get_width();
 984         double const height = a.get_height();
 985
 986         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
 987         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
 988
 989         cairo_rectangle (cr, 0, 0, width, height);
 990         cairo_fill (cr);
 991
 992         const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
 993         if (_ports.n_total() > 1) {
 994                 for (uint32_t i = 0; i < _ports.n_total(); ++i) {
 995                         set_routing_color (cr, i < _ports.n_midi());
 996                         const float x = rintf(width * (.2f + .6f * i / (_ports.n_total() - 1.f)));
 997                         cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
 998                         cairo_fill(cr);
 999                 }
1000         } else if (_ports.n_total() == 1) {
1001                 set_routing_color (cr, _ports.n_midi() == 1);
1002                 const float x = rintf(width * .5);
1003                 cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
1004                 cairo_fill(cr);
1005                 cairo_stroke(cr);
1006         }
1007
1008         cairo_destroy(cr);
1009         return true;
1010 }
1011
1012 ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
1013         : _feed (false)
1014         , _input (input)
1015 {
1016         if (input) {
1017                 set_size_request (-1, std::max (7.f, rintf(8.f * UIConfiguration::instance().get_ui_scale())));
1018         } else {
1019                 set_size_request (-1, std::max (10.f, rintf(12.f * UIConfiguration::instance().get_ui_scale())));
1020         }
1021 }
1022
1023 void
1024 ProcessorEntry::RoutingIcon::set (
1025                 const ARDOUR::ChanCount& in,
1026                 const ARDOUR::ChanCount& out,
1027                 const ARDOUR::ChanCount& sinks,
1028                 const ARDOUR::ChanCount& sources,
1029                 const ARDOUR::ChanMapping& in_map,
1030                 const ARDOUR::ChanMapping& out_map,
1031                 const ARDOUR::ChanMapping& thru_map)
1032 {
1033         _in       = in;
1034         _out      = out;
1035         _sources  = sources;
1036         _sinks    = sinks;
1037         _in_map   = in_map;
1038         _out_map  = out_map;
1039         _thru_map = thru_map;
1040 }
1041
1042 bool
1043 ProcessorEntry::RoutingIcon::identity () const {
1044         if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
1045                 return false;
1046         }
1047         if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
1048                 return false;
1049         }
1050         if (_feed) {
1051                 if (!_f_out_map.is_monotonic () || !_f_out_map.is_identity ()) {
1052                         return false;
1053                 }
1054                 if (_f_out_map.n_total () != _f_sources.n_total () || _sinks != _f_sources) {
1055                         return false;
1056                 }
1057         }
1058         return true;
1059 }
1060
1061 bool
1062 ProcessorEntry::RoutingIcon::out_identity () const {
1063         if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
1064                 return false;
1065         }
1066         if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
1067                 return false;
1068         }
1069         if (_thru_map.n_total () > 0) {
1070                 return false;
1071         }
1072         return true;
1073 }
1074
1075 void
1076 ProcessorEntry::RoutingIcon::set_feed (
1077                                 const ARDOUR::ChanCount& out,
1078                                 const ARDOUR::ChanCount& sources,
1079                                 const ARDOUR::ChanMapping& out_map,
1080                                 const ARDOUR::ChanMapping& thru_map)
1081 {
1082         _f_out      = out;
1083         _f_sources  = sources;
1084         _f_out_map  = out_map;
1085         _f_thru_map = thru_map;
1086         _feed       = true;
1087 }
1088
1089 double
1090 ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
1091 {
1092         if (!midi) { i += n_midi; }
1093         if (n_total == 1) {
1094                 assert (i == 0);
1095                 return rint (width * .5) +.5;
1096         }
1097         return rint (width * (.2 + .6 * i / (n_total - 1))) + .5;
1098 }
1099
1100 void
1101 ProcessorEntry::RoutingIcon::draw_X (cairo_t* cr, double x0, double height, bool midi)
1102 {
1103         const double y0 = rint (height * .4) + .5;
1104         const double dx = min (y0 - .5, 1. + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale())));
1105
1106         cairo_move_to (cr, x0, 0);
1107         cairo_line_to (cr, x0, y0);
1108         cairo_move_to (cr, x0 - dx, y0 - dx);
1109         cairo_line_to (cr, x0 + dx, y0 + dx);
1110         cairo_move_to (cr, x0 - dx, y0 + dx);
1111         cairo_line_to (cr, x0 + dx, y0 - dx);
1112
1113         set_routing_color (cr, midi);
1114         cairo_set_line_width  (cr, 1.0);
1115         cairo_stroke_preserve (cr);
1116         cairo_set_source_rgba (cr, 0, 0, 0, .4); // darken
1117         cairo_stroke (cr);
1118 }
1119
1120 void
1121 ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double height, bool midi)
1122 {
1123         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1124         const double y0 = rint (height * .66) + .5;
1125
1126         cairo_move_to (cr, x0, height);
1127         cairo_line_to (cr, x0, y0);
1128         cairo_move_to (cr, x0 - dx, y0);
1129         cairo_line_to (cr, x0 + dx, y0);
1130
1131         set_routing_color (cr, midi);
1132         cairo_set_line_width  (cr, 1.0);
1133         cairo_stroke (cr);
1134 }
1135
1136 void
1137 ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double height, bool midi)
1138 {
1139         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1140         const double y0 = rint (height * .6) + .5;
1141
1142         cairo_move_to (cr, x0 - dx, height);
1143         cairo_line_to (cr, x0, y0);
1144         cairo_line_to (cr, x0 + dx, height);
1145         cairo_close_path (cr);
1146
1147         set_routing_color (cr, midi);
1148         cairo_fill (cr);
1149 }
1150
1151 void
1152 ProcessorEntry::RoutingIcon::draw_thru (cairo_t* cr, double x0, double height, bool midi)
1153 {
1154         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1155         const double y0 = rint (height * .5) + .5;
1156
1157         cairo_move_to (cr, x0 - dx - .5, y0);
1158         cairo_line_to (cr, x0 + dx + .5, y0 - 2);
1159
1160         cairo_move_to (cr, x0 - dx - .5, y0 + 2);
1161         cairo_line_to (cr, x0 + dx + .5, y0);
1162
1163         cairo_move_to (cr, x0, y0 + 1);
1164         cairo_line_to (cr, x0, height);
1165
1166         set_routing_color (cr, midi);
1167         cairo_set_line_width  (cr, 1.0);
1168         cairo_stroke (cr);
1169 }
1170
1171 void
1172 ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
1173 {
1174         double bz = abs (y1 - y0);
1175
1176         cairo_move_to (cr, x0, y0);
1177         cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
1178         cairo_set_line_width  (cr, 1.0);
1179         cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
1180         cairo_set_source_rgb (cr, 1, 0, 0);
1181         if (dashed) {
1182                 const double dashes[] = { 2, 3 };
1183                 cairo_set_dash (cr, dashes, 2, 0);
1184         }
1185         set_routing_color (cr, midi);
1186         cairo_stroke (cr);
1187         if (dashed) {
1188                 cairo_set_dash (cr, 0, 0, 0);
1189         }
1190 }
1191
1192 bool
1193 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
1194 {
1195         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1196
1197         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1198         cairo_clip (cr);
1199
1200         cairo_set_line_width (cr, max (1.f, UIConfiguration::instance().get_ui_scale()));
1201         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
1202
1203         Gtk::Allocation a = get_allocation();
1204         double const width = a.get_width();
1205         double const height = a.get_height();
1206
1207         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1208         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1209
1210         cairo_rectangle (cr, 0, 0, width, height);
1211         cairo_fill (cr);
1212
1213         if (_input) {
1214                 expose_input_map (cr, width, height);
1215         } else {
1216                 expose_output_map (cr, width, height);
1217         }
1218
1219         cairo_destroy(cr);
1220         return true;
1221 }
1222
1223 void
1224 ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
1225 {
1226         const uint32_t pc_in = _sinks.n_total();
1227         const uint32_t pc_in_midi = _sinks.n_midi();
1228
1229         // TODO indicate midi-bypass ??
1230         // TODO indicate side-chain
1231
1232         for (uint32_t i = 0; i < pc_in; ++i) {
1233                 const bool is_midi = i < pc_in_midi;
1234                 bool valid_in;
1235                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1236                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1237                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1238                 if (!valid_in) {
1239                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1240                         draw_gnd (cr, x, height, is_midi);
1241                         continue;
1242                 }
1243                 if (idx >= _in.get (dt)) {
1244                         // side-chain, probably
1245                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1246                         draw_sidechain (cr, x, height, is_midi);
1247                         continue;
1248                 }
1249                 double c_x0;
1250                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1251
1252                 if (_feed) {
1253                         bool valid_src;
1254                         uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
1255                         if (!valid_src) {
1256                                 double x = pin_x_pos (i, width, pc_in, 0, false);
1257                                 bool valid_thru;
1258                                 _f_thru_map.get (dt, idx, &valid_thru);
1259                                 if (valid_thru) {
1260                                         draw_thru (cr, x, height, is_midi);
1261                                 } else {
1262                                         draw_gnd (cr, x, height, is_midi);
1263                                 }
1264                                 continue;
1265                         }
1266                         c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
1267                 } else {
1268                         c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
1269                 }
1270                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1271         }
1272 }
1273
1274 void
1275 ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
1276 {
1277         const uint32_t pc_out = _sources.n_total();
1278         const uint32_t pc_out_midi = _sources.n_midi();
1279
1280         const uint32_t n_out = _out.n_total();
1281         const uint32_t n_out_midi = _out.n_midi();
1282
1283         for (uint32_t i = 0; i < pc_out; ++i) {
1284                 const bool is_midi = i < pc_out_midi;
1285                 bool valid_out;
1286                 uint32_t pn = is_midi ? i : i - pc_out_midi;
1287                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1288                 uint32_t idx = _out_map.get (dt, pn, &valid_out);
1289                 if (!valid_out) {
1290                         continue;
1291                 }
1292                 double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
1293                 double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
1294                 draw_connection (cr, c_x0, c_x1, 0, height - 3, is_midi);
1295         }
1296
1297         // output arrows
1298         for (uint32_t i = 0; i < n_out; ++i) {
1299                 const bool is_midi = i < n_out_midi;
1300                 double x = pin_x_pos (i, width, n_out, 0, is_midi);
1301                 uint32_t pn = is_midi ? i : i - n_out_midi;
1302                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1303                 bool valid_src;
1304                 _out_map.get_src (dt, pn, &valid_src);
1305                 if (!valid_src) {
1306                         bool valid_thru;
1307                         _thru_map.get (dt, pn, &valid_thru);
1308                         if (valid_thru) {
1309                                 draw_thru (cr, x, height, is_midi);
1310                         } else {
1311                                 draw_gnd (cr, x, height, is_midi);
1312                         }
1313                 }
1314                 set_routing_color (cr, is_midi);
1315                 cairo_move_to (cr, x    , height);
1316                 cairo_line_to (cr, x - 3, height - 3);
1317                 cairo_line_to (cr, x + 3, height - 3);
1318                 cairo_close_path (cr);
1319                 cairo_fill (cr);
1320         }
1321 }
1322
1323 ProcessorEntry::PluginDisplay::PluginDisplay (boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
1324         : _plug (p)
1325         , _surf (0)
1326         , _max_height (max_height)
1327         , _cur_height (1)
1328         , _scroll (false)
1329 {
1330         set_name ("processor prefader");
1331         _plug->QueueDraw.connect (_qdraw_connection, invalidator (*this),
1332                         boost::bind (&Gtk::Widget::queue_draw, this), gui_context ());
1333 }
1334
1335 ProcessorEntry::PluginDisplay::~PluginDisplay ()
1336 {
1337         if (_surf) {
1338                 cairo_surface_destroy (_surf);
1339         }
1340 }
1341
1342 void
1343 ProcessorEntry::PluginDisplay::on_size_request (Gtk::Requisition* req)
1344 {
1345         req->width = 56;
1346         req->height = _cur_height;
1347 }
1348
1349
1350 void
1351 ProcessorEntry::PluginDisplay::update_height_alloc (uint32_t inline_height)
1352 {
1353         /* work-around scroll-bar + aspect ratio
1354          * show inline-view -> height changes -> scrollbar gets added
1355          * -> width changes -> inline-view, fixed aspect ratio -> height changes
1356          * -> scroll bar is removed [-> width changes ; repeat ]
1357          */
1358         uint32_t shm = std::min (_max_height, inline_height);
1359         bool sc = false;
1360         Gtk::Container* pr = get_parent();
1361         for (uint32_t i = 0; i < 4 && pr; ++i) {
1362                 // VBox, EventBox, ViewPort, ScrolledWindow
1363                 pr = pr->get_parent();
1364         }
1365         Gtk::ScrolledWindow* sw = dynamic_cast<Gtk::ScrolledWindow*> (pr);
1366         if (sw) {
1367                 const Gtk::VScrollbar* vsb = sw->get_vscrollbar();
1368                 sc = vsb && vsb->is_visible();
1369         }
1370
1371         if (shm != _cur_height) {
1372                 if (_scroll == sc || _cur_height < shm) {
1373                         queue_resize ();
1374                 }
1375                 _cur_height = shm;
1376         }
1377         _scroll = sc;
1378 }
1379
1380 uint32_t
1381 ProcessorEntry::PluginDisplay::render_inline (cairo_t* cr, uint32_t width)
1382 {
1383         Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
1384         if (!dis) {
1385                 return 0;
1386         }
1387
1388         /* allocate a local image-surface,
1389          * We cannot re-use the data via cairo_image_surface_create_for_data(),
1390          * since pixman keeps a reference to it.
1391          * we'd need to hand over the data and ha cairo_surface_destroy to free it.
1392          * it might be possible to work around via cairo_surface_set_user_data().
1393          */
1394         if (!_surf
1395                         || dis->width !=  cairo_image_surface_get_width (_surf)
1396                         || dis->height !=  cairo_image_surface_get_height (_surf)
1397                  ) {
1398                 if (_surf) {
1399                         cairo_surface_destroy (_surf);
1400                 }
1401                 _surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dis->width, dis->height);
1402         }
1403
1404         if (cairo_image_surface_get_stride (_surf) == dis->stride) {
1405                 memcpy (cairo_image_surface_get_data (_surf), dis->data, dis->stride * dis->height);
1406         } else {
1407                 unsigned char *src = dis->data;
1408                 unsigned char *dst = cairo_image_surface_get_data (_surf);
1409                 const int dst_stride =  cairo_image_surface_get_stride (_surf);
1410                 for (int y = 0; y < dis->height; ++y) {
1411                         memcpy (dst, src, dis->width * 4 /*ARGB32*/);
1412                         src += dis->stride;
1413                         dst += dst_stride;
1414                 }
1415         }
1416
1417         cairo_surface_mark_dirty(_surf);
1418         const double xc = floor ((width - dis->width) * .5);
1419         cairo_set_source_surface(cr, _surf, xc, 0);
1420         cairo_paint (cr);
1421
1422         return dis->height;
1423 }
1424
1425 bool
1426 ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
1427 {
1428         Gtk::Allocation a = get_allocation();
1429         double const width = a.get_width();
1430         double const height = a.get_height();
1431
1432         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1433         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1434         cairo_clip (cr);
1435
1436         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1437         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1438         cairo_rectangle (cr, 0, 0, width, height);
1439         cairo_fill (cr);
1440
1441         cairo_save (cr);
1442         cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
1443         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1444         cairo_clip (cr);
1445         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1446
1447         uint32_t ht = render_inline (cr, width);
1448         cairo_restore (cr);
1449
1450         if (ht == 0) {
1451                 hide ();
1452                 if (_cur_height != 1) {
1453                         _cur_height = 1;
1454                         queue_resize ();
1455                 }
1456                 cairo_destroy (cr);
1457                 return true;
1458         } else {
1459                 update_height_alloc (ht);
1460         }
1461
1462         bool failed = false;
1463         std::string name = get_name();
1464         ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
1465
1466         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1467         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1468         cairo_set_line_width(cr, 1.0);
1469         ArdourCanvas::set_source_rgb_a (cr, fill_color, 1.0);
1470         cairo_stroke (cr);
1471
1472         cairo_destroy(cr);
1473         return true;
1474 }
1475
1476 ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
1477         : PluginDisplay (p, max_height)
1478         , _luaproc (p)
1479         , _lua_render_inline (0)
1480 {
1481         p->setup_lua_inline_gui (&lua_gui);
1482
1483         lua_State* LG = lua_gui.getState ();
1484         LuaInstance::bind_cairo (LG);
1485         luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
1486         assert (lua_render.isFunction ());
1487         _lua_render_inline = new luabridge::LuaRef (lua_render);
1488 }
1489
1490 ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
1491 {
1492         delete (_lua_render_inline);
1493 }
1494
1495 uint32_t
1496 ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
1497 {
1498         Cairo::Context ctx (cr);
1499         try {
1500                 luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
1501                 if (rv.isTable ()) {
1502                         uint32_t h = rv[2];
1503                         return h;
1504                 }
1505         } catch (luabridge::LuaException const& e) {
1506                 ;
1507         }
1508         return 0;
1509 }
1510
1511
1512 static std::list<Gtk::TargetEntry> drop_targets()
1513 {
1514         std::list<Gtk::TargetEntry> tmp;
1515         tmp.push_back (Gtk::TargetEntry ("processor")); // from processor-box to processor-box
1516         tmp.push_back (Gtk::TargetEntry ("PluginInfoPtr")); // from plugin-manager
1517         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // from sidebar
1518         return tmp;
1519 }
1520
1521 static std::list<Gtk::TargetEntry> drag_targets()
1522 {
1523         std::list<Gtk::TargetEntry> tmp;
1524         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // to sidebar (optional preset)
1525         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor-box (copy)
1526         return tmp;
1527 }
1528
1529 static std::list<Gtk::TargetEntry> drag_targets_noplugin()
1530 {
1531         std::list<Gtk::TargetEntry> tmp;
1532         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor box (sends, faders re-order)
1533         return tmp;
1534 }
1535
1536 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1537                             RouteProcessorSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
1538         : _parent_strip (parent)
1539         , _owner_is_mixer (owner_is_mixer)
1540         , ab_direction (true)
1541         , _get_plugin_selector (get_plugin_selector)
1542         , _placement (-1)
1543         , _visible_prefader_processors (0)
1544         , _rr_selection(rsel)
1545         , processor_display (drop_targets())
1546         , _redisplay_pending (false)
1547 {
1548         set_session (sess);
1549
1550         /* ProcessorBox actions and bindings created statically by call to
1551          * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
1552          * are available for context menus.
1553          */
1554
1555         processor_display.set_data ("ardour-bindings", bindings);
1556
1557         _width = Wide;
1558         processor_menu = 0;
1559         no_processor_redisplay = false;
1560
1561         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1562         processor_scroller.add (processor_display);
1563         pack_start (processor_scroller, true, true);
1564
1565         processor_display.set_flags (CAN_FOCUS);
1566         processor_display.set_name ("ProcessorList");
1567         processor_display.set_data ("processorbox", this);
1568         processor_display.set_size_request (48, -1);
1569         processor_display.set_spacing (0);
1570
1571         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1572         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1573
1574         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1575         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1576
1577         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1578         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1579         processor_display.DropFromExternal.connect (sigc::mem_fun (*this, &ProcessorBox::plugin_drop));
1580
1581         processor_scroller.show ();
1582         processor_display.show ();
1583
1584         if (parent) {
1585                 parent->DeliveryChanged.connect (
1586                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1587                         );
1588         }
1589
1590         ARDOUR_UI_UTILS::set_tooltip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1591 }
1592
1593 ProcessorBox::~ProcessorBox ()
1594 {
1595         /* it may appear as if we should delete processor_menu but that is a
1596          * pointer to a widget owned by the UI Manager, and has potentially
1597          * be returned to many other ProcessorBoxes. GTK doesn't really make
1598          * clear the ownership of this widget, which is a menu and thus is
1599          * never packed into any container other than an implict GtkWindow.
1600          *
1601          * For now, until or if we ever get clarification over the ownership
1602          * story just let it continue to exist. At worst, its a small memory leak.
1603          */
1604 }
1605
1606 void
1607 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1608 {
1609         if (_route == r) {
1610                 return;
1611         }
1612
1613         _route_connections.drop_connections();
1614
1615         /* new route: any existing block on processor redisplay must be meaningless */
1616         no_processor_redisplay = false;
1617         _route = r;
1618
1619         _route->processors_changed.connect (
1620                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1621                 );
1622
1623         _route->DropReferences.connect (
1624                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1625                 );
1626
1627         _route->PropertyChanged.connect (
1628                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1629                 );
1630
1631         redisplay_processors ();
1632 }
1633
1634 void
1635 ProcessorBox::route_going_away ()
1636 {
1637         /* don't keep updating display as processors are deleted */
1638         no_processor_redisplay = true;
1639         _route.reset ();
1640 }
1641
1642 boost::shared_ptr<Processor>
1643 ProcessorBox::find_drop_position (ProcessorEntry* position)
1644 {
1645         boost::shared_ptr<Processor> p;
1646         if (position) {
1647                 p = position->processor ();
1648                 if (!p) {
1649                         /* dropped on the blank entry (which will be before the
1650                                  fader), so use the first non-blank child as our
1651                                  `dropped on' processor */
1652                         list<ProcessorEntry*> c = processor_display.children ();
1653                         list<ProcessorEntry*>::iterator i = c.begin ();
1654
1655                         assert (i != c.end ());
1656                         p = (*i)->processor ();
1657                         assert (p);
1658                 }
1659         }
1660         return p;
1661 }
1662
1663 void
1664 ProcessorBox::_drop_plugin_preset (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1665 {
1666                 const void * d = data.get_data();
1667                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1668
1669                 PluginPresetList nfos;
1670                 TreeView* source;
1671                 tv->get_object_drag_data (nfos, &source);
1672
1673                 for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1674                         PluginPresetPtr ppp = (*i);
1675                         PluginInfoPtr pip = ppp->_pip;
1676                         PluginPtr p = pip->load (*_session);
1677                         if (!p) {
1678                                 continue;
1679                         }
1680
1681                         if (ppp->_preset.valid) {
1682                                 p->load_preset (ppp->_preset);
1683                         }
1684
1685                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1686                         if (Config->get_new_plugins_active ()) {
1687                                 processor->activate ();
1688                         }
1689                         pl.push_back (processor);
1690                 }
1691 }
1692
1693 void
1694 ProcessorBox::_drop_plugin (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1695 {
1696                 const void * d = data.get_data();
1697                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>*>(d);
1698                 PluginInfoList nfos;
1699
1700                 TreeView* source;
1701                 tv->get_object_drag_data (nfos, &source);
1702
1703                 for (list<PluginInfoPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1704                         PluginPtr p = (*i)->load (*_session);
1705                         if (!p) {
1706                                 continue;
1707                         }
1708                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1709                         if (Config->get_new_plugins_active ()) {
1710                                 processor->activate ();
1711                         }
1712                         pl.push_back (processor);
1713                 }
1714 }
1715
1716 void
1717 ProcessorBox::plugin_drop (Gtk::SelectionData const &data, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1718 {
1719         if (!_session) {
1720                 return;
1721         }
1722
1723         boost::shared_ptr<Processor> p = find_drop_position (position);
1724         Route::ProcessorList pl;
1725
1726         if (data.get_target() == "PluginInfoPtr") {
1727                 _drop_plugin (data, pl);
1728         }
1729         else if (data.get_target() == "PluginPresetPtr") {
1730                 _drop_plugin_preset (data, pl);
1731         }
1732         else {
1733                 return;
1734         }
1735
1736         Route::ProcessorStreams err;
1737         if (_route->add_processors (pl, p, &err)) {
1738                 string msg = _(
1739                                 "Processor Drag/Drop failed. Probably because\n\
1740 the I/O configuration of the plugins could\n\
1741 not match the configuration of this track.");
1742                 MessageDialog am (msg);
1743                 am.run ();
1744         }
1745 }
1746
1747 void
1748 ProcessorBox::object_drop (DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1749 {
1750         if (Gdk::ACTION_LINK == context->get_selected_action()) {
1751                 list<ProcessorEntry*> children = source->selection ();
1752                 assert (children.size() == 1);
1753                 ProcessorEntry* other = *children.begin();
1754                 assert (other->can_copy_state (position));
1755                 boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
1756                 boost::shared_ptr<ARDOUR::Processor> proc = position->processor();
1757                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1758                 assert (otherproc && proc && pi);
1759
1760                 PBD::ID id = pi->id();
1761                 XMLNode& state = otherproc->get_state ();
1762                 /* strip side-chain state (processor inside processor must be a side-chain)
1763                  * otherwise we'll end up with duplicate ports-names.
1764                  * (this needs a better solution which retains connections)
1765                  */
1766                 state.remove_nodes ("Processor");
1767                 proc->set_state (state, Stateful::loading_state_version);
1768                 boost::dynamic_pointer_cast<PluginInsert>(proc)->update_id (id);
1769                 return;
1770         }
1771
1772         boost::shared_ptr<Processor> p = find_drop_position (position);
1773
1774         list<ProcessorEntry*> children = source->selection ();
1775         list<boost::shared_ptr<Processor> > procs;
1776         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
1777                 if ((*i)->processor ()) {
1778                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
1779                                 continue;
1780                         }
1781                         procs.push_back ((*i)->processor ());
1782                 }
1783         }
1784
1785         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
1786                 XMLNode& state = (*i)->get_state ();
1787                 XMLNodeList nlist;
1788                 nlist.push_back (&state);
1789                 paste_processor_state (nlist, p);
1790                 delete &state;
1791         }
1792
1793         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
1794            ourselves.
1795         */
1796
1797         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
1798                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
1799                 if (other) {
1800                         other->delete_dragged_processors (procs);
1801                 }
1802         }
1803 }
1804
1805 void
1806 ProcessorBox::set_width (Width w)
1807 {
1808         if (_width == w) {
1809                 return;
1810         }
1811
1812         _width = w;
1813
1814         list<ProcessorEntry*> children = processor_display.children ();
1815         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1816                 (*i)->set_enum_width (w);
1817         }
1818
1819         queue_resize ();
1820 }
1821
1822 Gtk::Menu*
1823 ProcessorBox::build_possible_aux_menu ()
1824 {
1825         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
1826
1827         if (rl->empty()) {
1828                 /* No aux sends if there are no busses */
1829                 return 0;
1830         }
1831
1832         if (_route->is_monitor ()) {
1833                 return 0;
1834         }
1835
1836         using namespace Menu_Helpers;
1837         Menu* menu = manage (new Menu);
1838         MenuList& items = menu->items();
1839
1840         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1841                 if (!_route->internal_send_for (*r) && *r != _route) {
1842                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
1843                 }
1844         }
1845
1846         return menu;
1847 }
1848
1849 void
1850 ProcessorBox::show_processor_menu (int arg)
1851 {
1852         if (processor_menu == 0) {
1853                 processor_menu = build_processor_menu ();
1854                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
1855         }
1856
1857         /* Sort out the plugin submenu */
1858
1859         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
1860
1861         if (plugin_menu_item) {
1862                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
1863         }
1864
1865         /* And the aux submenu */
1866
1867         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
1868
1869         if (aux_menu_item) {
1870                 Menu* m = build_possible_aux_menu();
1871                 if (m && !m->items().empty()) {
1872                         aux_menu_item->set_submenu (*m);
1873                         aux_menu_item->set_sensitive (true);
1874                 } else {
1875                         /* stupid gtkmm: we need to pass a null reference here */
1876                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
1877                         aux_menu_item->set_sensitive (false);
1878                 }
1879         }
1880
1881         ActionManager::get_action (X_("ProcessorMenu"), "newinsert")->set_sensitive (!_route->is_monitor ());
1882         ActionManager::get_action (X_("ProcessorMenu"), "newsend")->set_sensitive (!_route->is_monitor ());
1883
1884         ProcessorEntry* single_selection = 0;
1885         if (processor_display.selection().size() == 1) {
1886                 single_selection = processor_display.selection().front();
1887         }
1888
1889         /* And the controls submenu */
1890
1891         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
1892
1893         if (controls_menu_item) {
1894                 if (single_selection) {
1895                         Menu* m = single_selection->build_controls_menu ();
1896                         if (m && !m->items().empty()) {
1897                                 controls_menu_item->set_submenu (*m);
1898                                 controls_menu_item->set_sensitive (true);
1899                         } else {
1900                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
1901                                 controls_menu_item->set_sensitive (false);
1902                         }
1903                 } else {
1904                         controls_menu_item->set_sensitive (false);
1905                 }
1906         }
1907
1908         Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
1909         if (send_menu_item) {
1910                 if (single_selection && !_route->is_monitor()) {
1911                         Menu* m = single_selection->build_send_options_menu ();
1912                         if (m && !m->items().empty()) {
1913                                 send_menu_item->set_submenu (*m);
1914                                 send_menu_item->set_sensitive (true);
1915                         } else {
1916                                 gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
1917                                 send_menu_item->set_sensitive (false);
1918                         }
1919                 } else {
1920                         send_menu_item->set_sensitive (false);
1921                 }
1922         }
1923
1924         /* Sensitise actions as approprioate */
1925
1926
1927         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
1928
1929         paste_action->set_sensitive (!_rr_selection.processors.empty());
1930         cut_action->set_sensitive (sensitive && can_cut ());
1931         copy_action->set_sensitive (sensitive);
1932         delete_action->set_sensitive (sensitive || stub_processor_selected ());
1933
1934         edit_action->set_sensitive (one_processor_can_be_edited ());
1935         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
1936
1937         boost::shared_ptr<PluginInsert> pi;
1938         if (single_selection) {
1939                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
1940         }
1941
1942         manage_pins_action->set_sensitive (pi != 0);
1943
1944         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
1945         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
1946
1947         /* disallow rename for multiple selections, for plugin inserts and for the fader */
1948         rename_action->set_sensitive (single_selection
1949                         && !pi
1950                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
1951                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
1952
1953         processor_menu->popup (1, arg);
1954
1955         /* Add a placeholder gap to the processor list to indicate where a processor would be
1956            inserted were one chosen from the menu.
1957         */
1958         int x, y;
1959         processor_display.get_pointer (x, y);
1960         _placement = processor_display.add_placeholder (y);
1961
1962         if (_visible_prefader_processors == 0 && _placement > 0) {
1963                 --_placement;
1964         }
1965 }
1966
1967 bool
1968 ProcessorBox::enter_notify (GdkEventCrossing*)
1969 {
1970         processor_display.grab_focus ();
1971         _current_processor_box = this;
1972         return false;
1973 }
1974
1975 bool
1976 ProcessorBox::leave_notify (GdkEventCrossing* ev)
1977 {
1978         if (ev->detail == GDK_NOTIFY_INFERIOR) {
1979                 return false;
1980         }
1981
1982         Widget* top = get_toplevel();
1983
1984         if (top->is_toplevel()) {
1985                 Window* win = dynamic_cast<Window*> (top);
1986                 gtk_window_set_focus (win->gobj(), 0);
1987         }
1988
1989         return false;
1990 }
1991
1992 bool
1993 ProcessorBox::processor_operation (ProcessorOperation op)
1994 {
1995         ProcSelection targets;
1996
1997         get_selected_processors (targets);
1998
1999 /*      if (targets.empty()) {
2000
2001                 int x, y;
2002                 processor_display.get_pointer (x, y);
2003
2004                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
2005
2006                 if (pointer.first && pointer.first->processor()) {
2007                         targets.push_back (pointer.first->processor ());
2008                 }
2009         }
2010 */
2011
2012         if ((op == ProcessorsDelete) && targets.empty()) {
2013                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
2014         }
2015
2016         switch (op) {
2017         case ProcessorsSelectAll:
2018                 processor_display.select_all ();
2019                 break;
2020
2021         case ProcessorsSelectNone:
2022                 processor_display.select_none ();
2023                 break;
2024
2025         case ProcessorsCopy:
2026                 copy_processors (targets);
2027                 break;
2028
2029         case ProcessorsCut:
2030                 cut_processors (targets);
2031                 break;
2032
2033         case ProcessorsPaste:
2034                 // some processors are not selectable (e.g fader, meter), target is empty.
2035                 if (targets.empty() && _placement >= 0) {
2036                         assert (_route);
2037                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
2038                         if (proc) {
2039                                 targets.push_back (proc);
2040                         }
2041                 }
2042                 if (targets.empty()) {
2043                         paste_processors ();
2044                 } else {
2045                         paste_processors (targets.front());
2046                 }
2047                 break;
2048
2049         case ProcessorsDelete:
2050                 delete_processors (targets);
2051                 break;
2052
2053         case ProcessorsToggleActive:
2054                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
2055                         if ((*i)->active()) {
2056                                 (*i)->deactivate ();
2057                         } else {
2058                                 (*i)->activate ();
2059                         }
2060                 }
2061                 break;
2062
2063         case ProcessorsAB:
2064                 ab_plugins ();
2065                 break;
2066
2067         default:
2068                 break;
2069         }
2070
2071         return true;
2072 }
2073
2074 ProcessorWindowProxy*
2075 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
2076 {
2077         return  processor->window_proxy();
2078 }
2079
2080
2081 bool
2082 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
2083 {
2084         boost::shared_ptr<Processor> processor;
2085         if (child) {
2086                 processor = child->processor ();
2087         }
2088
2089         int ret = false;
2090         bool selected = processor_display.selected (child);
2091
2092         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
2093
2094                 if (_session->engine().connected()) {
2095                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
2096
2097                         if (!one_processor_can_be_edited ()) {
2098                                 return true;
2099                         }
2100
2101                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
2102                                 generic_edit_processor (processor);
2103                         } else {
2104                                 edit_processor (processor);
2105                         }
2106                 }
2107
2108                 ret = true;
2109
2110         } else if (Keyboard::is_context_menu_event (ev)) {
2111
2112                 show_processor_menu (ev->time);
2113
2114                 ret = true;
2115
2116         } else if (processor && ev->button == 1 && selected) {
2117
2118                 // this is purely informational but necessary for route params UI
2119                 ProcessorSelected (processor); // emit
2120
2121         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
2122
2123                 choose_plugin ();
2124                 _get_plugin_selector()->show_manager ();
2125         }
2126
2127         return ret;
2128 }
2129
2130 bool
2131 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
2132 {
2133         boost::shared_ptr<Processor> processor;
2134         if (child) {
2135                 processor = child->processor ();
2136         }
2137
2138         if (processor && Keyboard::is_delete_event (ev)) {
2139
2140                 Glib::signal_idle().connect (sigc::bind (
2141                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
2142                                 boost::weak_ptr<Processor>(processor)));
2143
2144         } else if (processor && Keyboard::is_button2_event (ev)
2145 #ifndef __APPLE__
2146                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
2147 #endif
2148                 ) {
2149
2150                 /* button2-click with no/appropriate modifiers */
2151
2152                 if (processor->active()) {
2153                         processor->deactivate ();
2154                 } else {
2155                         processor->activate ();
2156                 }
2157         }
2158
2159         return false;
2160 }
2161
2162 Menu *
2163 ProcessorBox::build_processor_menu ()
2164 {
2165         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
2166         processor_menu->set_name ("ArdourContextMenu");
2167         return processor_menu;
2168 }
2169
2170 void
2171 ProcessorBox::select_all_processors ()
2172 {
2173         processor_display.select_all ();
2174 }
2175
2176 void
2177 ProcessorBox::deselect_all_processors ()
2178 {
2179         processor_display.select_none ();
2180 }
2181
2182 void
2183 ProcessorBox::choose_plugin ()
2184 {
2185         _get_plugin_selector()->set_interested_object (*this);
2186 }
2187
2188 /** @return true if an error occurred, otherwise false */
2189 bool
2190 ProcessorBox::choose_lua ()
2191 {
2192         LuaScriptInfoPtr spi;
2193
2194         ScriptSelector ss (_("Add Lua DSP Processor"), LuaScriptInfo::DSP);
2195         switch (ss.run ()) {
2196                 case Gtk::RESPONSE_ACCEPT:
2197                         spi = ss.script();
2198                         break;
2199                 default:
2200                         return true;
2201         }
2202         ss.hide ();
2203
2204         PluginPtr p;
2205         try {
2206                 LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
2207                 p = (lpi->load (*_session));
2208         } catch (...) {
2209                 string msg = _(
2210                                 "Failed to instantiate Lua DSP Processor,\n"
2211                                 "probably because the script is invalid (no dsp function).");
2212                 MessageDialog am (msg);
2213                 am.run ();
2214                 return true;
2215         }
2216
2217         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2218
2219         Route::ProcessorStreams err_streams;
2220         if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2221                 string msg = _(
2222                                 "Failed to add Lua DSP Processor at the given position,\n"
2223                                 "probably because the I/O configuration of the plugins\n"
2224                                 "could not match the configuration of this track.");
2225                 MessageDialog am (msg);
2226                 am.run ();
2227         }
2228         return false;
2229 }
2230
2231 /** @return true if an error occurred, otherwise false */
2232 bool
2233 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
2234 {
2235         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
2236
2237                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
2238
2239                 Route::ProcessorStreams err_streams;
2240
2241                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2242                         weird_plugin_dialog (**p, err_streams);
2243                         return true;
2244                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
2245                 } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
2246                         if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
2247                                 ;
2248                         } else if (_session->engine().connected () && processor_can_be_edited (processor)) {
2249                                 if ((*p)->has_editor ()) {
2250                                         edit_processor (processor);
2251                                 } else {
2252                                         generic_edit_processor (processor);
2253                                 }
2254                         }
2255                 }
2256         }
2257
2258         return false;
2259 }
2260
2261 void
2262 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
2263 {
2264         ArdourDialog dialog (_("Plugin Incompatibility"));
2265         Label label;
2266
2267         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
2268                         p.name(), streams.index);
2269
2270         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
2271         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
2272
2273         text += _("\nThis plugin has:\n");
2274         if (has_midi) {
2275                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
2276                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
2277         }
2278         if (has_audio) {
2279                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
2280                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
2281         }
2282
2283         text += _("\nbut at the insertion point, there are:\n");
2284         if (has_midi) {
2285                 uint32_t const n = streams.count.n_midi ();
2286                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
2287         }
2288         if (has_audio) {
2289                 uint32_t const n = streams.count.n_audio ();
2290                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
2291         }
2292
2293         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
2294         label.set_text(text);
2295
2296         dialog.get_vbox()->pack_start (label);
2297         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2298
2299         dialog.set_name (X_("PluginIODialog"));
2300         dialog.set_modal (true);
2301         dialog.show_all ();
2302
2303         dialog.run ();
2304 }
2305
2306 void
2307 ProcessorBox::choose_insert ()
2308 {
2309         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
2310         _route->add_processor_by_index (processor, _placement);
2311 }
2312
2313 /* Caller must not hold process lock */
2314 void
2315 ProcessorBox::choose_send ()
2316 {
2317         boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
2318         boost::shared_ptr<Send> send (new Send (*_session, sendpan, _route->mute_master()));
2319
2320         /* make an educated guess at the initial number of outputs for the send */
2321         ChanCount outs = (_session->master_out())
2322                         ? _session->master_out()->n_outputs()
2323                         : _route->n_outputs();
2324
2325         /* XXX need processor lock on route */
2326         try {
2327                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
2328                 send->output()->ensure_io (outs, false, this);
2329         } catch (AudioEngine::PortRegistrationFailure& err) {
2330                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
2331                 return;
2332         }
2333
2334         /* let the user adjust the IO setup before creation.
2335
2336            Note: this dialog is NOT modal - we just leave it to run and it will
2337            return when its Finished signal is emitted - typically when the window
2338            is closed.
2339          */
2340
2341         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
2342         ios->show ();
2343
2344         /* keep a reference to the send so it doesn't get deleted while
2345            the IOSelectorWindow is doing its stuff
2346         */
2347         _processor_being_created = send;
2348
2349         ios->selector().Finished.connect (sigc::bind (
2350                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
2351                         boost::weak_ptr<Processor>(send), ios));
2352
2353 }
2354
2355 void
2356 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2357 {
2358         boost::shared_ptr<Processor> processor (weak_processor.lock());
2359
2360         /* drop our temporary reference to the new send */
2361         _processor_being_created.reset ();
2362
2363         if (!processor) {
2364                 return;
2365         }
2366
2367         switch (r) {
2368         case IOSelector::Cancelled:
2369                 // processor will go away when all shared_ptrs to it vanish
2370                 break;
2371
2372         case IOSelector::Accepted:
2373                 _route->add_processor_by_index (processor, _placement);
2374                 break;
2375         }
2376
2377         delete_when_idle (ios);
2378 }
2379
2380 void
2381 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2382 {
2383         boost::shared_ptr<Processor> processor (weak_processor.lock());
2384
2385         /* drop our temporary reference to the new return */
2386         _processor_being_created.reset ();
2387
2388         if (!processor) {
2389                 return;
2390         }
2391
2392         switch (r) {
2393         case IOSelector::Cancelled:
2394                 // processor will go away when all shared_ptrs to it vanish
2395                 break;
2396
2397         case IOSelector::Accepted:
2398                 _route->add_processor_by_index (processor, _placement);
2399                 break;
2400         }
2401
2402         delete_when_idle (ios);
2403 }
2404
2405 void
2406 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
2407 {
2408         if (!_route) {
2409                 return;
2410         }
2411
2412         boost::shared_ptr<Route> target = wr.lock();
2413
2414         if (!target) {
2415                 return;
2416         }
2417
2418         _session->add_internal_send (target, _placement, _route);
2419 }
2420
2421 void
2422 ProcessorBox::route_processors_changed (RouteProcessorChange c)
2423 {
2424         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
2425                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
2426                 return;
2427         }
2428
2429         redisplay_processors ();
2430 }
2431
2432 void
2433 ProcessorBox::redisplay_processors ()
2434 {
2435         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
2436         bool     fader_seen;
2437
2438         if (no_processor_redisplay) {
2439                 return;
2440         }
2441
2442         processor_display.clear ();
2443
2444         _visible_prefader_processors = 0;
2445         fader_seen = false;
2446
2447         _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &ProcessorBox::help_count_visible_prefader_processors),
2448                                                &_visible_prefader_processors, &fader_seen));
2449
2450         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
2451         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
2452         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
2453
2454         setup_entry_positions ();
2455 }
2456
2457 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
2458  *  not already have one.
2459  */
2460 void
2461 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
2462 {
2463         boost::shared_ptr<Processor> p = w.lock ();
2464         if (!p) {
2465                 return;
2466         }
2467         if (p->window_proxy()) {
2468                 return;
2469         }
2470
2471         /* not on the list; add it */
2472
2473         string loc;
2474 #if 0 // is this still needed? Why?
2475         if (_parent_strip) {
2476                 if (_parent_strip->mixer_owned()) {
2477                         loc = X_("M");
2478                 } else {
2479                         loc = X_("R");
2480                 }
2481         } else {
2482                 loc = X_("P");
2483         }
2484 #else
2485         loc = X_("P");
2486 #endif
2487
2488         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
2489                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
2490                 this,
2491                 w);
2492
2493         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2494
2495         if (ui_xml) {
2496                 wp->set_state (*ui_xml, 0);
2497         }
2498
2499         void* existing_ui = p->get_ui ();
2500
2501         if (existing_ui) {
2502                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
2503         }
2504
2505         p->set_window_proxy (wp);
2506         WM::Manager::instance().register_window (wp);
2507 }
2508
2509 void
2510 ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
2511 {
2512         boost::shared_ptr<Processor> p = w.lock ();
2513         if (!p || p->pinmgr_proxy ()) {
2514                 return;
2515         }
2516
2517         PluginPinWindowProxy* wp = new PluginPinWindowProxy (
2518                         string_compose ("PM-%2-%3", _route->id(), p->id()), w);
2519         wp->set_session (_session);
2520
2521         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2522         if (ui_xml) {
2523                 wp->set_state (*ui_xml, 0);
2524         }
2525
2526         void* existing_ui = p->get_ui ();
2527
2528         if (existing_ui) {
2529                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
2530         }
2531
2532         p->set_pingmgr_proxy (wp);
2533         WM::Manager::instance().register_window (wp);
2534 }
2535 void
2536 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
2537 {
2538         boost::shared_ptr<Processor> processor (p.lock ());
2539
2540         if (processor && ( processor->display_to_user()
2541 #ifndef NDEBUG
2542                             || show_all_processors
2543 #endif
2544                          )
2545            ) {
2546
2547                 if (boost::dynamic_pointer_cast<Amp>(processor) &&
2548                     boost::dynamic_pointer_cast<Amp>(processor)->gain_control()->parameter().type() == GainAutomation) {
2549                         *amp_seen = true;
2550                 } else {
2551                         if (!*amp_seen) {
2552                                 (*cnt)++;
2553                         }
2554                 }
2555         }
2556 }
2557
2558 void
2559 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
2560 {
2561         boost::shared_ptr<Processor> processor (p.lock ());
2562
2563         if (!processor || ( !processor->display_to_user()
2564 #ifndef NDEBUG
2565                             && !show_all_processors
2566 #endif
2567                           )
2568            ) {
2569                 return;
2570         }
2571
2572         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
2573
2574         ProcessorEntry* e = 0;
2575         if (plugin_insert) {
2576                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
2577         } else {
2578                 e = new ProcessorEntry (this, processor, _width);
2579         }
2580
2581         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2582         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
2583         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
2584
2585         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
2586         if (!send && !plugin_insert && !ext && !stub)
2587                 e->set_selectable(false);
2588
2589         bool mark_send_visible = false;
2590         if (send && _parent_strip) {
2591                 /* show controls of new sends by default */
2592                 GUIObjectState& st = _parent_strip->gui_object_state ();
2593                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2594                 assert (strip);
2595                 /* check if state exists, if not it must be a new send */
2596                 if (!st.get_node(strip, e->state_id())) {
2597                         mark_send_visible = true;
2598                 }
2599         }
2600
2601         /* Set up this entry's state from the GUIObjectState */
2602         XMLNode* proc = entry_gui_object_state (e);
2603         if (proc) {
2604                 e->set_control_state (proc);
2605         }
2606
2607         if (mark_send_visible) {
2608                 e->show_all_controls ();
2609         }
2610
2611         if (plugin_insert
2612 #ifdef MIXBUS
2613                         && !plugin_insert->plugin(0)->is_channelstrip()
2614 #endif
2615                  )
2616         {
2617                 processor_display.add_child (e, drag_targets());
2618         } else {
2619                 processor_display.add_child (e, drag_targets_noplugin());
2620         }
2621 }
2622
2623 void
2624 ProcessorBox::reordered ()
2625 {
2626         compute_processor_sort_keys ();
2627         setup_entry_positions ();
2628 }
2629
2630 void
2631 ProcessorBox::setup_routing_feeds ()
2632 {
2633         list<ProcessorEntry*> children = processor_display.children ();
2634         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2635                 boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
2636                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
2637
2638                 list<ProcessorEntry*>::iterator next = i;
2639                 next++;
2640
2641                 if (pi) {
2642                         ChanCount sinks = pi->natural_input_streams ();
2643                         ChanCount sources = pi->natural_output_streams ();
2644                         uint32_t count = pi->get_count ();
2645                         ChanCount in, out;
2646                         pi->configured_io (in, out);
2647
2648                         ChanCount midi_thru;
2649                         ChanCount midi_bypass;
2650                         ChanMapping input_map (pi->input_map ());
2651                         if (pi->has_midi_thru ()) {
2652                                  midi_thru.set(DataType::MIDI, 1);
2653                                  input_map.set (DataType::MIDI, 0, 0);
2654                         }
2655                         if (pi->has_midi_bypass ()) {
2656                                  midi_bypass.set(DataType::MIDI, 1);
2657                         }
2658
2659                         (*i)->input_icon.set_ports (sinks * count + midi_thru);
2660                         (*i)->output_icon.set_ports (sources * count + midi_bypass);
2661
2662                         (*i)->routing_icon.set (
2663                                         in, out,
2664                                         sinks * count + midi_thru,
2665                                         sources * count + midi_bypass,
2666                                         input_map,
2667                                         pi->output_map (),
2668                                         pi->thru_map ());
2669
2670                         if (next != children.end()) {
2671                                 (*next)->routing_icon.set_feed (out, sources * count + midi_bypass, pi->output_map (), pi->thru_map ());
2672                         }
2673
2674                 } else {
2675                         (*i)->input_icon.set_ports (p->input_streams());
2676                         (*i)->output_icon.set_ports (p->output_streams());
2677                         ChanMapping inmap (p->input_streams ());
2678                         ChanMapping outmap (p->input_streams ());
2679                         ChanMapping thrumap;
2680                         (*i)->routing_icon.set (
2681                                         p->input_streams(),
2682                                         p->output_streams(),
2683                                         p->input_streams(),
2684                                         p->output_streams(),
2685                                         inmap, outmap, thrumap);
2686
2687                         if (next != children.end()) {
2688                                 (*next)->routing_icon.set_feed (p->output_streams(),  p->output_streams(), outmap, thrumap);
2689                         }
2690                 }
2691
2692                 if (i == children.begin()) {
2693                         (*i)->routing_icon.unset_feed ();
2694                 }
2695         }
2696
2697         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2698                 if ((*i)->routing_icon.identity ()) {
2699                         (*i)->routing_icon.hide();
2700                         if (i == children.begin()) {
2701                                 (*i)->input_icon.show();
2702                         } else {
2703                                 (*i)->input_icon.hide();
2704                         }
2705                 } else {
2706                         (*i)->routing_icon.show();
2707                         (*i)->routing_icon.queue_draw();
2708                         (*i)->input_icon.show();
2709                 }
2710
2711                 list<ProcessorEntry*>::iterator next = i;
2712                 if (++next == children.end()) {
2713                         // show additional wires if outputs of last processor are not an identity map.
2714                         if ((*i)->routing_icon.out_identity ()) {
2715                                 (*i)->output_routing_icon.hide();
2716                         } else {
2717                                 (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
2718                                 (*i)->output_routing_icon.show();
2719                         }
2720                 } else {
2721                         (*i)->output_routing_icon.hide();
2722                 }
2723         }
2724 }
2725
2726 void
2727 ProcessorBox::setup_entry_positions ()
2728 {
2729         list<ProcessorEntry*> children = processor_display.children ();
2730         bool pre_fader = true;
2731
2732         uint32_t num = 0;
2733         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2734                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor()) &&
2735                     boost::dynamic_pointer_cast<Amp>((*i)->processor())->gain_control()->parameter().type() == GainAutomation) {
2736                         pre_fader = false;
2737                         (*i)->set_position (ProcessorEntry::Fader, num++);
2738                 } else {
2739                         if (pre_fader) {
2740                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
2741                         } else {
2742                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
2743                         }
2744                 }
2745         }
2746         setup_routing_feeds ();
2747 }
2748
2749 void
2750 ProcessorBox::compute_processor_sort_keys ()
2751 {
2752         list<ProcessorEntry*> children = processor_display.children ();
2753         Route::ProcessorList our_processors;
2754
2755         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2756                 if ((*i)->processor()) {
2757                         our_processors.push_back ((*i)->processor ());
2758                 }
2759         }
2760
2761         if (_route->reorder_processors (our_processors)) {
2762                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
2763                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
2764                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
2765                    when the drag is torn down after this handler function is finished.
2766                 */
2767                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
2768         }
2769 }
2770
2771 void
2772 ProcessorBox::report_failed_reorder ()
2773 {
2774         /* reorder failed, so redisplay */
2775
2776         redisplay_processors ();
2777
2778         /* now tell them about the problem */
2779
2780         ArdourDialog dialog (_("Plugin Incompatibility"));
2781         Label label;
2782
2783         label.set_text (_("\
2784 You cannot reorder these plugins/sends/inserts\n\
2785 in that way because the inputs and\n\
2786 outputs will not work correctly."));
2787
2788         dialog.get_vbox()->set_border_width (12);
2789         dialog.get_vbox()->pack_start (label);
2790         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2791
2792         dialog.set_name (X_("PluginIODialog"));
2793         dialog.set_modal (true);
2794         dialog.show_all ();
2795
2796         dialog.run ();
2797 }
2798
2799 void
2800 ProcessorBox::rename_processors ()
2801 {
2802         ProcSelection to_be_renamed;
2803
2804         get_selected_processors (to_be_renamed);
2805
2806         if (to_be_renamed.empty()) {
2807                 return;
2808         }
2809
2810         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
2811                 rename_processor (*i);
2812         }
2813 }
2814
2815 bool
2816 ProcessorBox::can_cut () const
2817 {
2818         vector<boost::shared_ptr<Processor> > sel;
2819
2820         get_selected_processors (sel);
2821
2822         /* cut_processors () does not cut inserts */
2823
2824         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
2825
2826                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
2827                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
2828                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
2829                         return true;
2830                 }
2831         }
2832
2833         return false;
2834 }
2835
2836 bool
2837 ProcessorBox::stub_processor_selected () const
2838 {
2839         vector<boost::shared_ptr<Processor> > sel;
2840
2841         get_selected_processors (sel);
2842
2843         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
2844                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
2845                         return true;
2846                 }
2847         }
2848
2849         return false;
2850 }
2851
2852 void
2853 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
2854 {
2855         if (to_be_removed.empty()) {
2856                 return;
2857         }
2858
2859         XMLNode* node = new XMLNode (X_("cut"));
2860         Route::ProcessorList to_cut;
2861
2862         no_processor_redisplay = true;
2863         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
2864                 // Cut only plugins, sends and returns
2865                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
2866                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
2867                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
2868
2869                         Window* w = get_processor_ui (*i);
2870
2871                         if (w) {
2872                                 w->hide ();
2873                         }
2874
2875                         XMLNode& child ((*i)->get_state());
2876                         node->add_child_nocopy (child);
2877                         to_cut.push_back (*i);
2878                 }
2879         }
2880
2881         if (_route->remove_processors (to_cut) != 0) {
2882                 delete node;
2883                 no_processor_redisplay = false;
2884                 return;
2885         }
2886
2887         _rr_selection.set (node);
2888
2889         no_processor_redisplay = false;
2890         redisplay_processors ();
2891 }
2892
2893 void
2894 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
2895 {
2896         if (to_be_copied.empty()) {
2897                 return;
2898         }
2899
2900         XMLNode* node = new XMLNode (X_("copy"));
2901
2902         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
2903                 // Copy only plugins, sends, returns
2904                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
2905                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
2906                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
2907                         node->add_child_nocopy ((*i)->get_state());
2908                 }
2909         }
2910
2911         _rr_selection.set (node);
2912 }
2913
2914 void
2915 ProcessorBox::delete_processors (const ProcSelection& targets)
2916 {
2917         if (targets.empty()) {
2918                 return;
2919         }
2920
2921         no_processor_redisplay = true;
2922
2923         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
2924
2925                 Window* w = get_processor_ui (*i);
2926
2927                 if (w) {
2928                         w->hide ();
2929                 }
2930
2931                 _route->remove_processor(*i);
2932         }
2933
2934         no_processor_redisplay = false;
2935         redisplay_processors ();
2936 }
2937
2938 void
2939 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
2940 {
2941         list<boost::shared_ptr<Processor> >::const_iterator x;
2942
2943         no_processor_redisplay = true;
2944         for (x = procs.begin(); x != procs.end(); ++x) {
2945
2946                 Window* w = get_processor_ui (*x);
2947
2948                 if (w) {
2949                         w->hide ();
2950                 }
2951
2952                 _route->remove_processor(*x);
2953         }
2954
2955         no_processor_redisplay = false;
2956         redisplay_processors ();
2957 }
2958
2959 gint
2960 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
2961 {
2962         boost::shared_ptr<Processor> processor (weak_processor.lock());
2963
2964         if (!processor) {
2965                 return false;
2966         }
2967
2968         /* NOT copied to _mixer.selection() */
2969
2970         no_processor_redisplay = true;
2971         _route->remove_processor (processor);
2972         no_processor_redisplay = false;
2973         redisplay_processors ();
2974
2975         return false;
2976 }
2977
2978 void
2979 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
2980 {
2981         ArdourPrompter name_prompter (true);
2982         string result;
2983         name_prompter.set_title (_("Rename Processor"));
2984         name_prompter.set_prompt (_("New name:"));
2985         name_prompter.set_initial_text (processor->name());
2986         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
2987         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
2988         name_prompter.show_all ();
2989
2990         switch (name_prompter.run ()) {
2991
2992         case Gtk::RESPONSE_ACCEPT:
2993                 name_prompter.get_result (result);
2994                 if (result.length()) {
2995
2996                        int tries = 0;
2997                        string test = result;
2998
2999                        while (tries < 100) {
3000                                if (_session->io_name_is_legal (test)) {
3001                                        result = test;
3002                                        break;
3003                                }
3004                                tries++;
3005
3006                                test = string_compose ("%1-%2", result, tries);
3007                        }
3008
3009                        if (tries < 100) {
3010                                processor->set_name (result);
3011                        } else {
3012                                /* unlikely! */
3013                                ARDOUR_UI::instance()->popup_error
3014                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
3015                        }
3016                 }
3017                 break;
3018         }
3019
3020         return;
3021 }
3022
3023 void
3024 ProcessorBox::paste_processors ()
3025 {
3026         if (_rr_selection.processors.empty()) {
3027                 return;
3028         }
3029
3030         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
3031 }
3032
3033 void
3034 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
3035 {
3036
3037         if (_rr_selection.processors.empty()) {
3038                 return;
3039         }
3040
3041         paste_processor_state (_rr_selection.processors.get_node().children(), before);
3042 }
3043
3044 void
3045 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
3046 {
3047         XMLNodeConstIterator niter;
3048         list<boost::shared_ptr<Processor> > copies;
3049
3050         if (nlist.empty()) {
3051                 return;
3052         }
3053
3054         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
3055
3056                 XMLProperty const * type = (*niter)->property ("type");
3057                 XMLProperty const * role = (*niter)->property ("role");
3058                 assert (type);
3059
3060                 boost::shared_ptr<Processor> p;
3061                 try {
3062                         if (type->value() == "meter" ||
3063                             type->value() == "main-outs" ||
3064                             type->value() == "amp" ||
3065                             type->value() == "intreturn") {
3066                                 /* do not paste meter, main outs, amp or internal returns */
3067                                 continue;
3068
3069                         } else if (type->value() == "intsend") {
3070
3071                                 /* aux sends are OK, but those used for
3072                                  * other purposes, are not.
3073                                  */
3074
3075                                 assert (role);
3076
3077                                 if (role->value() != "Aux") {
3078                                         continue;
3079                                 }
3080
3081                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3082                                 XMLNode n (**niter);
3083                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
3084                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
3085
3086                                 IOProcessor::prepare_for_reset (n, s->name());
3087
3088                                 if (s->set_state (n, Stateful::loading_state_version)) {
3089                                         delete s;
3090                                         return;
3091                                 }
3092
3093                                 p.reset (s);
3094
3095                         } else if (type->value() == "send") {
3096
3097                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3098                                 XMLNode n (**niter);
3099
3100                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
3101
3102                                 IOProcessor::prepare_for_reset (n, s->name());
3103
3104                                 if (s->set_state (n, Stateful::loading_state_version)) {
3105                                         delete s;
3106                                         return;
3107                                 }
3108
3109                                 p.reset (s);
3110
3111                         } else if (type->value() == "return") {
3112
3113                                 XMLNode n (**niter);
3114                                 Return* r = new Return (*_session);
3115
3116                                 IOProcessor::prepare_for_reset (n, r->name());
3117
3118                                 if (r->set_state (n, Stateful::loading_state_version)) {
3119                                         delete r;
3120                                         return;
3121                                 }
3122
3123                                 p.reset (r);
3124
3125                         } else if (type->value() == "port") {
3126
3127                                 XMLNode n (**niter);
3128                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
3129
3130                                 IOProcessor::prepare_for_reset (n, pi->name());
3131
3132                                 if (pi->set_state (n, Stateful::loading_state_version)) {
3133                                         return;
3134                                 }
3135
3136                                 p.reset (pi);
3137                         } else {
3138                                 /* XXX its a bit limiting to assume that everything else
3139                                    is a plugin.
3140                                 */
3141                                 p.reset (new PluginInsert (*_session));
3142                                 /* we can't use RAII Stateful::ForceIDRegeneration
3143                                  * because that'd void copying the state and wrongly bump
3144                                  * the state-version counter.
3145                                  * we need to load the state (incl external files) first and
3146                                  * only then update the ID)
3147                                  */
3148                                 PBD::ID id = p->id();
3149                                 /* strip side-chain state (processor inside processor must be a side-chain)
3150                                  * otherwise we'll end up with duplicate ports-names.
3151                                  * (this needs a better solution which retains connections)
3152                                  * We really would want Stateful::ForceIDRegeneration here :(
3153                                  */
3154                                 XMLNode state (**niter);
3155                                 state.remove_nodes ("Processor");
3156
3157                                 p->set_state (state, Stateful::current_state_version);
3158                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
3159                         }
3160
3161                         copies.push_back (p);
3162                 }
3163
3164                 catch (...) {
3165                         error << _("plugin insert constructor failed") << endmsg;
3166                 }
3167         }
3168
3169         if (copies.empty()) {
3170                 return;
3171         }
3172
3173         if (_route->add_processors (copies, p)) {
3174
3175                 string msg = _(
3176                         "Copying the set of processors on the clipboard failed,\n\
3177 probably because the I/O configuration of the plugins\n\
3178 could not match the configuration of this track.");
3179                 MessageDialog am (msg);
3180                 am.run ();
3181         }
3182 }
3183
3184 void
3185 ProcessorBox::get_selected_processors (ProcSelection& processors) const
3186 {
3187         const list<ProcessorEntry*> selection = processor_display.selection ();
3188         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
3189                 processors.push_back ((*i)->processor ());
3190         }
3191 }
3192
3193 void
3194 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
3195 {
3196         list<ProcessorEntry*> selection = processor_display.selection ();
3197         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
3198                 (this->*method) ((*i)->processor ());
3199         }
3200 }
3201
3202 void
3203 ProcessorBox::all_visible_processors_active (bool state)
3204 {
3205         _route->all_visible_processors_active (state);
3206 }
3207
3208 void
3209 ProcessorBox::ab_plugins ()
3210 {
3211         _route->ab_plugins (ab_direction);
3212         ab_direction = !ab_direction;
3213 }
3214
3215
3216 void
3217 ProcessorBox::clear_processors ()
3218 {
3219         string prompt;
3220         vector<string> choices;
3221
3222         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
3223                                    "(this cannot be undone)"), _route->name());
3224
3225         choices.push_back (_("Cancel"));
3226         choices.push_back (_("Yes, remove them all"));
3227
3228         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3229
3230         if (prompter.run () == 1) {
3231                 _route->clear_processors (PreFader);
3232                 _route->clear_processors (PostFader);
3233         }
3234 }
3235
3236 void
3237 ProcessorBox::clear_processors (Placement p)
3238 {
3239         string prompt;
3240         vector<string> choices;
3241
3242         if (p == PreFader) {
3243                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
3244                                            "(this cannot be undone)"), _route->name());
3245         } else {
3246                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
3247                                            "(this cannot be undone)"), _route->name());
3248         }
3249
3250         choices.push_back (_("Cancel"));
3251         choices.push_back (_("Yes, remove them all"));
3252
3253         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3254
3255         if (prompter.run () == 1) {
3256                 _route->clear_processors (p);
3257         }
3258 }
3259
3260 bool
3261 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
3262 {
3263         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
3264         if (at && at->freeze_state() == AudioTrack::Frozen) {
3265                 return false;
3266         }
3267
3268         if (
3269                 boost::dynamic_pointer_cast<Send> (processor) ||
3270                 boost::dynamic_pointer_cast<Return> (processor) ||
3271                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
3272                 boost::dynamic_pointer_cast<PortInsert> (processor)
3273                 ) {
3274                 return true;
3275         }
3276
3277         return false;
3278 }
3279
3280 bool
3281 ProcessorBox::one_processor_can_be_edited ()
3282 {
3283         list<ProcessorEntry*> selection = processor_display.selection ();
3284         list<ProcessorEntry*>::iterator i = selection.begin();
3285         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
3286                 ++i;
3287         }
3288
3289         return (i != selection.end());
3290 }
3291
3292 Gtk::Window*
3293 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
3294 {
3295         boost::shared_ptr<Send> send;
3296         boost::shared_ptr<InternalSend> internal_send;
3297         boost::shared_ptr<Return> retrn;
3298         boost::shared_ptr<PluginInsert> plugin_insert;
3299         boost::shared_ptr<PortInsert> port_insert;
3300         Window* gidget = 0;
3301
3302         /* This method may or may not return a Window, but if it does not it
3303          * will modify the parent mixer strip appearance layout to allow
3304          * "editing" the @param processor that was passed in.
3305          *
3306          * So for example, if the processor is an Amp (gain), the parent strip
3307          * will be forced back into a model where the fader controls the main gain.
3308          * If the processor is a send, then we map the send controls onto the
3309          * strip.
3310          *
3311          * Plugins and others will return a window for control.
3312          */
3313
3314         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
3315
3316                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
3317                         return 0;
3318                 }
3319         }
3320
3321         if (boost::dynamic_pointer_cast<Amp> (processor) && boost::dynamic_pointer_cast<Amp> (processor)->gain_control()->parameter().type() == GainAutomation) {
3322
3323                 if (_parent_strip) {
3324                         _parent_strip->revert_to_default_display ();
3325                 }
3326
3327         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3328
3329                 if (!_session->engine().connected()) {
3330                         return 0;
3331                 }
3332
3333                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3334
3335                         gidget = new SendUIWindow (send, _session);
3336                 }
3337
3338         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
3339
3340                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
3341                         /* no GUI for these */
3342                         return 0;
3343                 }
3344
3345                 if (!_session->engine().connected()) {
3346                         return 0;
3347                 }
3348
3349                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
3350
3351                 ReturnUIWindow *return_ui;
3352                 Window* w = get_processor_ui (retrn);
3353
3354                 if (w == 0) {
3355
3356                         return_ui = new ReturnUIWindow (retrn, _session);
3357                         return_ui->set_title (retrn->name ());
3358                         set_processor_ui (send, return_ui);
3359
3360                 } else {
3361                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
3362                 }
3363
3364                 gidget = return_ui;
3365
3366         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3367
3368                 PluginUIWindow *plugin_ui;
3369
3370                 /* these are both allowed to be null */
3371
3372                 Window* w = get_processor_ui (plugin_insert);
3373
3374                 if (w == 0) {
3375                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
3376                         plugin_ui->set_title (generate_processor_title (plugin_insert));
3377                         set_processor_ui (plugin_insert, plugin_ui);
3378
3379                 } else {
3380                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
3381                 }
3382
3383                 gidget = plugin_ui;
3384
3385         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
3386
3387                 if (!_session->engine().connected()) {
3388                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
3389                         msg.run ();
3390                         return 0;
3391                 }
3392
3393                 PortInsertWindow *io_selector;
3394
3395                 Window* w = get_processor_ui (port_insert);
3396
3397                 if (w == 0) {
3398                         io_selector = new PortInsertWindow (_session, port_insert);
3399                         set_processor_ui (port_insert, io_selector);
3400
3401                 } else {
3402                         io_selector = dynamic_cast<PortInsertWindow *> (w);
3403                 }
3404
3405                 gidget = io_selector;
3406         }
3407
3408         return gidget;
3409 }
3410
3411 Gtk::Window*
3412 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
3413 {
3414         boost::shared_ptr<PluginInsert> plugin_insert
3415                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
3416
3417         if (!plugin_insert) {
3418                 return 0;
3419         }
3420
3421         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
3422         win->set_title (generate_processor_title (plugin_insert));
3423
3424         return win;
3425 }
3426
3427 void
3428 ProcessorBox::register_actions ()
3429 {
3430         processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
3431
3432         Glib::RefPtr<Action> act;
3433
3434         /* new stuff */
3435         myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
3436                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
3437
3438         act = myactions.register_action (processor_box_actions, X_("newlua"), _("New Lua DSP"),
3439                         sigc::ptr_fun (ProcessorBox::rb_choose_lua));
3440         act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
3441                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
3442         ActionManager::engine_sensitive_actions.push_back (act);
3443         act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
3444                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
3445         ActionManager::engine_sensitive_actions.push_back (act);
3446
3447         myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
3448
3449         myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
3450         myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
3451
3452         myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
3453                         sigc::ptr_fun (ProcessorBox::rb_clear));
3454         myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
3455                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
3456         myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
3457                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
3458
3459         /* standard editing stuff */
3460
3461         cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
3462                                                             sigc::ptr_fun (ProcessorBox::rb_cut));
3463         copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
3464                                                              sigc::ptr_fun (ProcessorBox::rb_copy));
3465         delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
3466                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3467
3468         ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
3469         ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
3470         ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
3471
3472         paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
3473                         sigc::ptr_fun (ProcessorBox::rb_paste));
3474         rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
3475                         sigc::ptr_fun (ProcessorBox::rb_rename));
3476         myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
3477                         sigc::ptr_fun (ProcessorBox::rb_select_all));
3478         myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
3479                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
3480
3481         /* activation etc. */
3482
3483         myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
3484                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
3485         myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
3486                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
3487         myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
3488                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
3489
3490         manage_pins_action = myactions.register_action (
3491                 processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
3492                 sigc::ptr_fun (ProcessorBox::rb_manage_pins));
3493
3494         /* show editors */
3495         edit_action = myactions.register_action (
3496                 processor_box_actions, X_("edit"), _("Edit..."),
3497                 sigc::ptr_fun (ProcessorBox::rb_edit));
3498
3499         edit_generic_action = myactions.register_action (
3500                 processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
3501                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
3502
3503         load_bindings ();
3504 }
3505
3506 void
3507 ProcessorBox::rb_edit_generic ()
3508 {
3509         if (_current_processor_box == 0) {
3510                 return;
3511         }
3512
3513         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
3514 }
3515
3516 void
3517 ProcessorBox::rb_ab_plugins ()
3518 {
3519         if (_current_processor_box == 0) {
3520                 return;
3521         }
3522
3523         _current_processor_box->ab_plugins ();
3524 }
3525
3526 void
3527 ProcessorBox::rb_manage_pins ()
3528 {
3529         if (_current_processor_box == 0) {
3530                 return;
3531         }
3532
3533         _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
3534 }
3535 void
3536 ProcessorBox::rb_choose_plugin ()
3537 {
3538         if (_current_processor_box == 0) {
3539                 return;
3540         }
3541         _current_processor_box->choose_plugin ();
3542 }
3543
3544 void
3545 ProcessorBox::rb_choose_lua ()
3546 {
3547         if (_current_processor_box == 0) {
3548                 return;
3549         }
3550         _current_processor_box->choose_lua ();
3551 }
3552
3553 void
3554 ProcessorBox::rb_choose_insert ()
3555 {
3556         if (_current_processor_box == 0) {
3557                 return;
3558         }
3559         _current_processor_box->choose_insert ();
3560 }
3561
3562 void
3563 ProcessorBox::rb_choose_send ()
3564 {
3565         if (_current_processor_box == 0) {
3566                 return;
3567         }
3568         _current_processor_box->choose_send ();
3569 }
3570
3571 void
3572 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
3573 {
3574         if (_current_processor_box == 0) {
3575                 return;
3576         }
3577
3578         _current_processor_box->choose_aux (wr);
3579 }
3580
3581 void
3582 ProcessorBox::rb_clear ()
3583 {
3584         if (_current_processor_box == 0) {
3585                 return;
3586         }
3587
3588         _current_processor_box->clear_processors ();
3589 }
3590
3591
3592 void
3593 ProcessorBox::rb_clear_pre ()
3594 {
3595         if (_current_processor_box == 0) {
3596                 return;
3597         }
3598
3599         _current_processor_box->clear_processors (PreFader);
3600 }
3601
3602
3603 void
3604 ProcessorBox::rb_clear_post ()
3605 {
3606         if (_current_processor_box == 0) {
3607                 return;
3608         }
3609
3610         _current_processor_box->clear_processors (PostFader);
3611 }
3612
3613 void
3614 ProcessorBox::rb_cut ()
3615 {
3616         if (_current_processor_box == 0) {
3617                 return;
3618         }
3619
3620         _current_processor_box->processor_operation (ProcessorsCut);
3621 }
3622
3623 void
3624 ProcessorBox::rb_delete ()
3625 {
3626         if (_current_processor_box == 0) {
3627                 return;
3628         }
3629
3630         _current_processor_box->processor_operation (ProcessorsDelete);
3631 }
3632
3633 void
3634 ProcessorBox::rb_copy ()
3635 {
3636         if (_current_processor_box == 0) {
3637                 return;
3638         }
3639         _current_processor_box->processor_operation (ProcessorsCopy);
3640 }
3641
3642 void
3643 ProcessorBox::rb_paste ()
3644 {
3645         if (_current_processor_box == 0) {
3646                 return;
3647         }
3648
3649         _current_processor_box->processor_operation (ProcessorsPaste);
3650 }
3651
3652 void
3653 ProcessorBox::rb_rename ()
3654 {
3655         if (_current_processor_box == 0) {
3656                 return;
3657         }
3658         _current_processor_box->rename_processors ();
3659 }
3660
3661 void
3662 ProcessorBox::rb_select_all ()
3663 {
3664         if (_current_processor_box == 0) {
3665                 return;
3666         }
3667
3668         _current_processor_box->processor_operation (ProcessorsSelectAll);
3669 }
3670
3671 void
3672 ProcessorBox::rb_deselect_all ()
3673 {
3674         if (_current_processor_box == 0) {
3675                 return;
3676         }
3677
3678         _current_processor_box->deselect_all_processors ();
3679 }
3680
3681 void
3682 ProcessorBox::rb_activate_all ()
3683 {
3684         if (_current_processor_box == 0) {
3685                 return;
3686         }
3687
3688         _current_processor_box->all_visible_processors_active (true);
3689 }
3690
3691 void
3692 ProcessorBox::rb_deactivate_all ()
3693 {
3694         if (_current_processor_box == 0) {
3695                 return;
3696         }
3697         _current_processor_box->all_visible_processors_active (false);
3698 }
3699
3700 void
3701 ProcessorBox::rb_edit ()
3702 {
3703         if (_current_processor_box == 0) {
3704                 return;
3705         }
3706
3707         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
3708 }
3709
3710 bool
3711 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
3712 {
3713         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3714                 return false;
3715         }
3716
3717         if (_parent_strip) {
3718                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
3719                 if (_parent_strip->current_delivery() == send) {
3720                         _parent_strip->revert_to_default_display ();
3721                 } else {
3722                         _parent_strip->show_send(send);
3723                 }
3724         }
3725         return true;
3726 }
3727
3728 void
3729 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
3730 {
3731         if (!processor) {
3732                 return;
3733         }
3734         if (edit_aux_send (processor)) {
3735                 return;
3736         }
3737
3738         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3739
3740         if (proxy) {
3741                 proxy->set_custom_ui_mode (true);
3742                 proxy->show_the_right_window ();
3743         }
3744 }
3745
3746 void
3747 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
3748 {
3749         if (!processor) {
3750                 return;
3751         }
3752         if (edit_aux_send (processor)) {
3753                 return;
3754         }
3755
3756         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3757
3758         if (proxy) {
3759                 proxy->set_custom_ui_mode (false);
3760                 proxy->show_the_right_window ();
3761         }
3762 }
3763
3764 void
3765 ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
3766 {
3767         if (!processor) {
3768                 return;
3769         }
3770         PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
3771         if (proxy) {
3772                 proxy->get (true);
3773                 proxy->present();
3774         }
3775 }
3776
3777
3778 void
3779 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
3780 {
3781         if (!what_changed.contains (ARDOUR::Properties::name)) {
3782                 return;
3783         }
3784
3785         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
3786
3787         boost::shared_ptr<Processor> processor;
3788         boost::shared_ptr<PluginInsert> plugin_insert;
3789         boost::shared_ptr<Send> send;
3790
3791         list<ProcessorEntry*> children = processor_display.children();
3792
3793         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
3794
3795                 processor = (*iter)->processor ();
3796
3797                 if (!processor) {
3798                         continue;
3799                 }
3800
3801                 Window* w = get_processor_ui (processor);
3802
3803                 if (!w) {
3804                         continue;
3805                 }
3806
3807                 /* rename editor windows for sends and plugins */
3808
3809                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3810                         w->set_title (send->name ());
3811                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3812                         w->set_title (generate_processor_title (plugin_insert));
3813                 }
3814         }
3815 }
3816
3817 string
3818 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
3819 {
3820         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
3821         string::size_type email_pos;
3822
3823         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
3824                 maker = maker.substr (0, email_pos - 1);
3825         }
3826
3827         if (maker.length() > 32) {
3828                 maker = maker.substr (0, 32);
3829                 maker += " ...";
3830         }
3831
3832         SessionObject* owner = pi->owner();
3833
3834         if (owner) {
3835                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
3836         } else {
3837                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
3838         }
3839 }
3840
3841 /** @param p Processor.
3842  *  @return the UI window for \a p.
3843  */
3844 Window *
3845 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
3846 {
3847         ProcessorWindowProxy* wp = p->window_proxy();
3848         if (wp) {
3849                 return wp->get ();
3850         }
3851         return 0;
3852 }
3853
3854 /** Make a note of the UI window that a processor is using.
3855  *  @param p Processor.
3856  *  @param w UI window.
3857  */
3858 void
3859 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
3860 {
3861         assert (p->window_proxy());
3862         p->set_ui (w);
3863         p->window_proxy()->use_window (*w);
3864 }
3865
3866 void
3867 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
3868 {
3869         boost::shared_ptr<Delivery> d = w.lock ();
3870         if (!d) {
3871                 return;
3872         }
3873
3874         list<ProcessorEntry*> children = processor_display.children ();
3875         list<ProcessorEntry*>::const_iterator i = children.begin();
3876         while (i != children.end() && (*i)->processor() != d) {
3877                 ++i;
3878         }
3879
3880         if (i == children.end()) {
3881                 processor_display.set_active (0);
3882         } else {
3883                 processor_display.set_active (*i);
3884         }
3885 }
3886
3887 /** Called to repair the damage of Editor::show_window doing a show_all() */
3888 void
3889 ProcessorBox::hide_things ()
3890 {
3891         list<ProcessorEntry*> c = processor_display.children ();
3892         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
3893                 (*i)->hide_things ();
3894         }
3895 }
3896
3897 void
3898 ProcessorBox::processor_menu_unmapped ()
3899 {
3900         processor_display.remove_placeholder ();
3901         /* make all possibly-desensitized actions sensitive again so that
3902            they be activated by other means (e.g. bindings)
3903         */
3904         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
3905 }
3906
3907 XMLNode *
3908 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
3909 {
3910         if (!_parent_strip) {
3911                 return 0;
3912         }
3913
3914         GUIObjectState& st = _parent_strip->gui_object_state ();
3915
3916         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
3917         assert (strip);
3918         return st.get_or_add_node (strip, entry->state_id());
3919 }
3920
3921 void
3922 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
3923 {
3924         XMLNode* proc = entry_gui_object_state (entry);
3925         if (!proc) {
3926                 return;
3927         }
3928
3929         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
3930         proc->remove_nodes_and_delete (X_("Object"));
3931         entry->add_control_state (proc);
3932 }
3933
3934 bool
3935 ProcessorBox::is_editor_mixer_strip() const
3936 {
3937         return _parent_strip && !_parent_strip->mixer_owned();
3938 }
3939
3940 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
3941         : WM::ProxyBase (name, string())
3942         , _processor_box (box)
3943         , _processor (processor)
3944         , is_custom (false)
3945         , want_custom (false)
3946 {
3947         boost::shared_ptr<Processor> p = _processor.lock ();
3948         if (!p) {
3949                 return;
3950         }
3951         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
3952 }
3953
3954 ProcessorWindowProxy::~ProcessorWindowProxy()
3955 {
3956         /* processor window proxies do not own the windows they create with
3957          * ::get(), so set _window to null before the normal WindowProxy method
3958          * deletes it.
3959          */
3960         _window = 0;
3961 }
3962
3963 void
3964 ProcessorWindowProxy::processor_going_away ()
3965 {
3966         delete _window;
3967         _window = 0;
3968         WM::Manager::instance().remove (this);
3969         /* should be no real reason to do this, since the object that would
3970            send DropReferences is about to be deleted, but lets do it anyway.
3971         */
3972         going_away_connection.disconnect();
3973 }
3974
3975 ARDOUR::SessionHandlePtr*
3976 ProcessorWindowProxy::session_handle()
3977 {
3978         /* we don't care */
3979         return 0;
3980 }
3981
3982 XMLNode&
3983 ProcessorWindowProxy::get_state ()
3984 {
3985         XMLNode *node;
3986         node = &ProxyBase::get_state();
3987         node->add_property (X_("custom-ui"), is_custom? X_("yes") : X_("no"));
3988         return *node;
3989 }
3990
3991 int
3992 ProcessorWindowProxy::set_state (const XMLNode& node, int /*version*/)
3993 {
3994         XMLNodeList children = node.children ();
3995         XMLNodeList::const_iterator i = children.begin ();
3996         while (i != children.end()) {
3997                 XMLProperty* prop = (*i)->property (X_("name"));
3998                 if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
3999                         break;
4000                 }
4001                 ++i;
4002         }
4003
4004         if (i != children.end()) {
4005                 XMLProperty* prop;
4006                 if ((prop = (*i)->property (X_("custom-ui"))) != 0) {
4007                         want_custom = PBD::string_is_affirmative (prop->value ());
4008                 }
4009         }
4010
4011         return ProxyBase::set_state (node, 0);
4012 }
4013
4014 Gtk::Window*
4015 ProcessorWindowProxy::get (bool create)
4016 {
4017         boost::shared_ptr<Processor> p = _processor.lock ();
4018
4019         if (!p) {
4020                 return 0;
4021         }
4022         if (_window && (is_custom != want_custom)) {
4023                 /* drop existing window - wrong type */
4024                 drop_window ();
4025         }
4026
4027         if (!_window) {
4028                 if (!create) {
4029                         return 0;
4030                 }
4031
4032                 is_custom = want_custom;
4033                 _window = _processor_box->get_editor_window (p, is_custom);
4034
4035                 if (_window) {
4036                         setup ();
4037                 }
4038         }
4039         _window->show_all ();
4040         return _window;
4041 }
4042
4043 void
4044 ProcessorWindowProxy::show_the_right_window ()
4045 {
4046         if (_window && (is_custom != want_custom)) {
4047                 /* drop existing window - wrong type */
4048                 drop_window ();
4049                 get (true);
4050                 setup ();
4051                 assert (_window);
4052                 is_custom = want_custom;
4053         }
4054
4055         toggle ();
4056 }
4057
4058
4059 PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
4060         : WM::ProxyBase (name, string())
4061         , _processor (processor)
4062 {
4063         boost::shared_ptr<Processor> p = _processor.lock ();
4064         if (!p) {
4065                 return;
4066         }
4067         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
4068 }
4069
4070 PluginPinWindowProxy::~PluginPinWindowProxy()
4071 {
4072         _window = 0;
4073 }
4074
4075 ARDOUR::SessionHandlePtr*
4076 PluginPinWindowProxy::session_handle ()
4077 {
4078         ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4079         if (aw) { return aw; }
4080         return 0;
4081 }
4082
4083 Gtk::Window*
4084 PluginPinWindowProxy::get (bool create)
4085 {
4086         boost::shared_ptr<Processor> p = _processor.lock ();
4087         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
4088         if (!p || !pi) {
4089                 return 0;
4090         }
4091
4092         if (!_window) {
4093                 if (!create) {
4094                         return 0;
4095                 }
4096                 _window = new PluginPinDialog (pi);
4097                 ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4098                 if (aw) {
4099                         aw->set_session (_session);
4100                 }
4101         }
4102
4103         _window->show_all ();
4104         return _window;
4105 }
4106
4107 void
4108 PluginPinWindowProxy::processor_going_away ()
4109 {
4110         delete _window;
4111         _window = 0;
4112         WM::Manager::instance().remove (this);
4113         going_away_connection.disconnect();
4114 }
4115
4116 void
4117 ProcessorBox::load_bindings ()
4118 {
4119         bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
4120 }