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()) {
 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         boost::shared_ptr<Send> send;
 385         if ((send = boost::dynamic_pointer_cast<Send> (_processor))) {
 386                 if (send->remove_on_disconnect ()) {
 387                         _button.set_name ("processor sidechain");
 388                         return;
 389                 }
 390         }
 391
 392         switch (_position) {
 393         case PreFader:
 394                 if (_plugin_display) { _plugin_display->set_name ("processor prefader"); }
 395                 _button.set_name ("processor prefader");
 396                 break;
 397
 398         case Fader:
 399                 _button.set_name ("processor fader");
 400                 break;
 401
 402         case PostFader:
 403                 if (_plugin_display) { _plugin_display->set_name ("processor postfader"); }
 404                 _button.set_name ("processor postfader");
 405                 break;
 406         }
 407 }
 408
 409
 410 boost::shared_ptr<Processor>
 411 ProcessorEntry::processor () const
 412 {
 413         if (!_processor) {
 414                 return boost::shared_ptr<Processor>();
 415         }
 416         return _processor;
 417 }
 418
 419 void
 420 ProcessorEntry::set_enum_width (Width w)
 421 {
 422         _width = w;
 423         _button.set_text (name (_width));
 424 }
 425
 426 void
 427 ProcessorEntry::led_clicked(GdkEventButton *ev)
 428 {
 429         bool ctrl_shift_pressed = false;
 430         Keyboard::ModifierMask ctrl_shift_mask = Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier);
 431
 432         if (Keyboard::modifier_state_equals (ev->state, ctrl_shift_mask)) {
 433                 ctrl_shift_pressed = true;
 434         }
 435
 436         if (_processor) {
 437                 if (_button.get_active ()) {
 438                         if (ctrl_shift_pressed) {
 439                                 _parent->all_visible_processors_active(false);
 440
 441                                 if (_position == Fader) {
 442                                         _processor->deactivate ();
 443                                 }
 444                         }
 445                         else {
 446                                 _processor->deactivate ();
 447                         }
 448
 449                 } else {
 450                         if (ctrl_shift_pressed) {
 451                                 _parent->all_visible_processors_active(true);
 452
 453                                 if (_position == Fader) {
 454                                         _processor->activate ();
 455                                 }
 456                         }
 457                         else {
 458                                 _processor->activate ();
 459                         }
 460                 }
 461         }
 462 }
 463
 464 void
 465 ProcessorEntry::processor_active_changed ()
 466 {
 467         if (_processor) {
 468                 _button.set_active (_processor->active());
 469         }
 470 }
 471
 472 void
 473 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
 474 {
 475         if (what_changed.contains (ARDOUR::Properties::name)) {
 476                 _button.set_text (name (_width));
 477                 setup_tooltip ();
 478         }
 479 }
 480
 481 void
 482 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
 483 {
 484         _parent->setup_routing_feeds ();
 485         input_icon.queue_draw();
 486         output_icon.queue_draw();
 487         routing_icon.queue_draw();
 488         output_routing_icon.queue_draw();
 489 }
 490
 491 void
 492 ProcessorEntry::setup_tooltip ()
 493 {
 494         if (_processor) {
 495                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 496                 if (pi) {
 497                         std::string postfix = "";
 498                         uint32_t replicated;
 499                         if ((replicated = pi->get_count()) > 1) {
 500                                 postfix = string_compose(_("\nThis mono plugin has been replicated %1 times."), replicated);
 501                         }
 502                         if (pi->plugin()->has_editor()) {
 503                                 ARDOUR_UI_UTILS::set_tooltip (_button,
 504                                                 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));
 505                         } else {
 506                                 ARDOUR_UI_UTILS::set_tooltip (_button,
 507                                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), name (Wide), postfix));
 508                         }
 509                         return;
 510                 }
 511                 if(boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 512                         ARDOUR_UI::instance()->set_tip (_button,
 513                                         string_compose (_("<b>%1</b>\nThe Plugin is not available on this system\nand has been replaced by a stub."), name (Wide)));
 514                         return;
 515                 }
 516                 boost::shared_ptr<Send> send;
 517                 if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
 518                                 !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 519                         if (send->remove_on_disconnect ()) {
 520                                 ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>&gt; %1</b>\nThis (sidechain) send will be removed when disconnected.", _processor->name()));
 521                         } else {
 522                                 ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>&gt; %1</b>", _processor->name()));
 523                         }
 524                         return;
 525                 }
 526         }
 527         ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>%1</b>", name (Wide)));
 528 }
 529
 530 string
 531 ProcessorEntry::name (Width w) const
 532 {
 533         boost::shared_ptr<Send> send;
 534         string name_display;
 535
 536         if (!_processor) {
 537                 return string();
 538         }
 539
 540         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
 541             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 542
 543                 name_display += '>';
 544                 std::string send_name;
 545                 bool pretty_ok = true;
 546
 547                 if (send->remove_on_disconnect ()) {
 548                         // assume it's a sidechain, find pretty name of connected port(s)
 549                         PortSet& ps (send->output ()->ports ());
 550                         for (PortSet::iterator i = ps.begin (); i != ps.end () && pretty_ok; ++i) {
 551                                 vector<string> connections;
 552                                 if (i->get_connections (connections)) {
 553                                         vector<string>::const_iterator ci;
 554                                         for (ci = connections.begin(); ci != connections.end(); ++ci) {
 555                                                 std::string pn = AudioEngine::instance()->get_pretty_name_by_name (*ci);
 556                                                 if (pn.empty ()) {
 557                                                         continue;
 558                                                 }
 559                                                 if (send_name.empty ()) {
 560                                                         send_name = pn;
 561                                                 } else if (send_name != pn) {
 562                                                         // pretty names don't match
 563                                                         pretty_ok = false;
 564                                                         break;
 565                                                 }
 566                                         }
 567                                 }
 568                         }
 569                 }
 570
 571                 if (!pretty_ok) {
 572                         send_name = "";
 573                 }
 574
 575                 /* grab the send name out of its overall name */
 576                 if (send_name.empty()) {
 577                         send_name = send->name();
 578                         string::size_type lbracket, rbracket;
 579                         lbracket = send_name.find ('[');
 580                         rbracket = send_name.find (']');
 581                         send_name = send_name.substr (lbracket+1, lbracket-rbracket-1);
 582                 }
 583
 584                 switch (w) {
 585                 case Wide:
 586                         name_display += send_name;
 587                         break;
 588                 case Narrow:
 589                         name_display += PBD::short_version (send_name, 5);
 590                         break;
 591                 }
 592
 593         } else {
 594                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
 595                 uint32_t replicated;
 596                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
 597                                 && (replicated = pi->get_count()) > 1)
 598                 {
 599                         name_display += string_compose(_("(%1x1) "), replicated);
 600                 }
 601
 602                 switch (w) {
 603                 case Wide:
 604                         name_display += _processor->display_name();
 605                         break;
 606                 case Narrow:
 607                         name_display += PBD::short_version (_processor->display_name(), 5);
 608                         break;
 609                 }
 610
 611         }
 612
 613         return name_display;
 614 }
 615
 616 void
 617 ProcessorEntry::show_all_controls ()
 618 {
 619         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 620                 (*i)->set_visible (true);
 621         }
 622
 623         _parent->update_gui_object_state (this);
 624 }
 625
 626 void
 627 ProcessorEntry::hide_all_controls ()
 628 {
 629         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 630                 (*i)->set_visible (false);
 631         }
 632
 633         _parent->update_gui_object_state (this);
 634 }
 635
 636 void
 637 ProcessorEntry::add_control_state (XMLNode* node) const
 638 {
 639         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 640                 (*i)->add_state (node);
 641         }
 642
 643         if (_plugin_display) {
 644                 XMLNode* c = new XMLNode (X_("Object"));
 645                 c->add_property (X_("id"), X_("InlineDisplay"));
 646                 c->add_property (X_("visible"), _plugin_display->is_visible ());
 647                 node->add_child_nocopy (*c);
 648         }
 649 }
 650
 651 void
 652 ProcessorEntry::set_control_state (XMLNode const * node)
 653 {
 654         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 655                 (*i)->set_state (node);
 656         }
 657
 658         if (_plugin_display) {
 659                 XMLNode* n = GUIObjectState::get_node (node, X_("InlineDisplay"));
 660                 XMLProperty const * p = n ? n->property (X_("visible")) : NULL;
 661                 if (p) {
 662                         if (string_is_affirmative (p->value ())) {
 663                                 _plugin_display->show();
 664                         } else {
 665                                 _plugin_display->hide();
 666                         }
 667                 }
 668         }
 669 }
 670
 671 string
 672 ProcessorEntry::state_id () const
 673 {
 674         return string_compose ("processor %1", _processor->id().to_s());
 675 }
 676
 677 void
 678 ProcessorEntry::hide_things ()
 679 {
 680         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 681                 (*i)->hide_things ();
 682         }
 683 }
 684
 685
 686 Menu *
 687 ProcessorEntry::build_controls_menu ()
 688 {
 689         using namespace Menu_Helpers;
 690         Menu* menu = manage (new Menu);
 691         MenuList& items = menu->items ();
 692
 693         if (_plugin_display) {
 694                 items.push_back (CheckMenuElem (_("Inline Display")));
 695                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 696                 c->set_active (_plugin_display->is_visible ());
 697                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_inline_display_visibility));
 698                 items.push_back (SeparatorElem ());
 699         }
 700
 701         items.push_back (
 702                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
 703                 );
 704
 705         items.push_back (
 706                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
 707                 );
 708
 709         if (!_controls.empty ()) {
 710                 items.push_back (SeparatorElem ());
 711         }
 712
 713         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 714                 items.push_back (CheckMenuElem ((*i)->name ()));
 715                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 716                 c->set_active ((*i)->visible ());
 717                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
 718         }
 719
 720         return menu;
 721 }
 722
 723 void
 724 ProcessorEntry::toggle_inline_display_visibility ()
 725 {
 726         if (_plugin_display->is_visible ()) {
 727                 _plugin_display->hide();
 728         } else {
 729                 _plugin_display->show();
 730         }
 731         _parent->update_gui_object_state (this);
 732 }
 733
 734 void
 735 ProcessorEntry::toggle_control_visibility (Control* c)
 736 {
 737         c->set_visible (!c->visible ());
 738         _parent->update_gui_object_state (this);
 739 }
 740
 741 Menu *
 742 ProcessorEntry::build_send_options_menu ()
 743 {
 744         using namespace Menu_Helpers;
 745         Menu* menu = manage (new Menu);
 746         MenuList& items = menu->items ();
 747
 748         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 749         if (send) {
 750
 751                 items.push_back (CheckMenuElem (_("Link panner controls")));
 752                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 753                 c->set_active (send->panner_shell()->is_linked_to_route());
 754                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
 755
 756         }
 757         return menu;
 758 }
 759
 760 void
 761 ProcessorEntry::toggle_panner_link ()
 762 {
 763         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 764         if (send) {
 765                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
 766         }
 767 }
 768
 769 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
 770         : _control (c)
 771         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
 772         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * UIConfiguration::instance().get_ui_scale())))
 773         , _slider_persistant_tooltip (&_slider)
 774         , _button (ArdourButton::led_default_elements)
 775         , _ignore_ui_adjustment (false)
 776         , _visible (false)
 777         , _name (n)
 778 {
 779         _slider.set_controllable (c);
 780         box.set_padding(0, 0, 4, 4);
 781
 782         if (c->toggled()) {
 783                 _button.set_text (_name);
 784                 _button.set_led_left (true);
 785                 _button.set_name ("processor control button");
 786                 box.add (_button);
 787                 _button.show ();
 788
 789                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
 790                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked_event));
 791                 // dup. currently timers are used :(
 792                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 793
 794         } else {
 795
 796                 _slider.set_name ("ProcessorControlSlider");
 797                 _slider.set_text (_name);
 798
 799                 box.add (_slider);
 800                 _slider.show ();
 801
 802                 const ARDOUR::ParameterDescriptor& desc = c->desc();
 803                 double const lo = c->internal_to_interface(desc.lower);
 804                 double const up = c->internal_to_interface(desc.upper);
 805                 double const normal = c->internal_to_interface(desc.normal);
 806                 double smallstep = desc.smallstep;
 807                 double largestep = desc.largestep;
 808
 809                 if (smallstep == 0.0) {
 810                         smallstep = up / 1000.;
 811                 } else {
 812                         smallstep = c->internal_to_interface(desc.lower + smallstep);
 813                 }
 814
 815                 if (largestep == 0.0) {
 816                         largestep = up / 40.;
 817                 } else {
 818                         largestep = c->internal_to_interface(desc.lower + largestep);
 819                 }
 820
 821                 _adjustment.set_lower (lo);
 822                 _adjustment.set_upper (up);
 823                 _adjustment.set_step_increment (smallstep);
 824                 _adjustment.set_page_increment (largestep);
 825                 _slider.set_default_value (normal);
 826
 827                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
 828                 // dup. currently timers are used :(
 829                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 830         }
 831
 832         // yuck, do we really need to do this?
 833         // according to c404374 this is only needed for send automation
 834         timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &Control::control_changed));
 835
 836         control_changed ();
 837         set_tooltip ();
 838
 839         /* We're providing our own PersistentTooltip */
 840         set_no_tooltip_whatsoever (_slider);
 841 }
 842
 843 ProcessorEntry::Control::~Control ()
 844 {
 845         timer_connection.disconnect ();
 846 }
 847
 848 void
 849 ProcessorEntry::Control::set_tooltip ()
 850 {
 851         boost::shared_ptr<AutomationControl> c = _control.lock ();
 852
 853         if (!c) {
 854                 return;
 855         }
 856         char tmp[256];
 857         if (c->toggled ()) {
 858                 snprintf (tmp, sizeof(tmp), "%s: %s", _name.c_str(), c->get_value() > 0.5 ? _("on") : _("off"));
 859         } else {
 860                 snprintf (tmp, sizeof(tmp), "%s: %.2f", _name.c_str(), c->internal_to_user (c->get_value ()));
 861         }
 862
 863         string sm = Gtkmm2ext::markup_escape_text (tmp);
 864         _slider_persistant_tooltip.set_tip (sm);
 865         ARDOUR_UI_UTILS::set_tooltip (_button, sm);
 866 }
 867
 868 void
 869 ProcessorEntry::Control::slider_adjusted ()
 870 {
 871         if (_ignore_ui_adjustment) {
 872                 return;
 873         }
 874
 875         boost::shared_ptr<AutomationControl> c = _control.lock ();
 876
 877         if (!c) {
 878                 return;
 879         }
 880
 881         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) , Controllable::NoGroup);
 882         set_tooltip ();
 883 }
 884
 885 void
 886 ProcessorEntry::Control::button_clicked ()
 887 {
 888         boost::shared_ptr<AutomationControl> c = _control.lock ();
 889
 890         if (!c) {
 891                 return;
 892         }
 893
 894         bool const n = _button.get_active ();
 895
 896         c->set_value (n ? 0 : 1, Controllable::NoGroup);
 897         _button.set_active (!n);
 898         set_tooltip ();
 899 }
 900
 901 void
 902 ProcessorEntry::Control::button_clicked_event (GdkEventButton *ev)
 903 {
 904         (void) ev;
 905
 906         button_clicked ();
 907 }
 908
 909 void
 910 ProcessorEntry::Control::control_changed ()
 911 {
 912         boost::shared_ptr<AutomationControl> c = _control.lock ();
 913         if (!c) {
 914                 return;
 915         }
 916
 917         _ignore_ui_adjustment = true;
 918
 919         if (c->toggled ()) {
 920
 921                 _button.set_active (c->get_value() > 0.5);
 922
 923         } else {
 924                 // as long as rapid timers are used, only update the tooltip
 925                 // if the value has changed.
 926                 const double nval = c->internal_to_interface (c->get_value ());
 927                 if (_adjustment.get_value() != nval) {
 928                         _adjustment.set_value (nval);
 929                         set_tooltip ();
 930                 }
 931         }
 932
 933         _ignore_ui_adjustment = false;
 934 }
 935
 936 void
 937 ProcessorEntry::Control::add_state (XMLNode* node) const
 938 {
 939         XMLNode* c = new XMLNode (X_("Object"));
 940         c->add_property (X_("id"), state_id ());
 941         c->add_property (X_("visible"), _visible);
 942         node->add_child_nocopy (*c);
 943 }
 944
 945 void
 946 ProcessorEntry::Control::set_state (XMLNode const * node)
 947 {
 948         XMLNode* n = GUIObjectState::get_node (node, state_id ());
 949         if (n) {
 950                 XMLProperty const * p = n->property (X_("visible"));
 951                 set_visible (p && string_is_affirmative (p->value ()));
 952         } else {
 953                 set_visible (false);
 954         }
 955 }
 956
 957 void
 958 ProcessorEntry::Control::set_visible (bool v)
 959 {
 960         if (v) {
 961                 box.show ();
 962         } else {
 963                 box.hide ();
 964         }
 965
 966         _visible = v;
 967 }
 968
 969 /** Called when the Editor might have re-shown things that
 970     we want hidden.
 971 */
 972 void
 973 ProcessorEntry::Control::hide_things ()
 974 {
 975         if (!_visible) {
 976                 box.hide ();
 977         }
 978 }
 979
 980 string
 981 ProcessorEntry::Control::state_id () const
 982 {
 983         boost::shared_ptr<AutomationControl> c = _control.lock ();
 984         assert (c);
 985
 986         return string_compose (X_("control %1"), c->id().to_s ());
 987 }
 988
 989 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
 990         : ProcessorEntry (b, p, w)
 991         , _plugin_insert (p)
 992 {
 993         p->PluginIoReConfigure.connect (
 994                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 995                 );
 996         p->PluginMapChanged.connect (
 997                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 998                 );
 999         p->PluginConfigChanged.connect (
1000                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1001                 );
1002 }
1003
1004 void
1005 PluginInsertProcessorEntry::iomap_changed ()
1006 {
1007         _parent->setup_routing_feeds ();
1008         routing_icon.queue_draw();
1009         output_routing_icon.queue_draw();
1010 }
1011
1012 void
1013 PluginInsertProcessorEntry::hide_things ()
1014 {
1015         ProcessorEntry::hide_things ();
1016 }
1017
1018 ProcessorEntry::PortIcon::PortIcon(bool input) {
1019         _input = input;
1020         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
1021         set_size_request (-1, std::max (2.f, rintf(2.f * UIConfiguration::instance().get_ui_scale())));
1022 }
1023
1024 bool
1025 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
1026 {
1027         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1028
1029         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1030         cairo_clip (cr);
1031
1032         Gtk::Allocation a = get_allocation();
1033         double const width = a.get_width();
1034         double const height = a.get_height();
1035
1036         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1037         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1038
1039         cairo_rectangle (cr, 0, 0, width, height);
1040         cairo_fill (cr);
1041
1042         const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1043         for (uint32_t i = 0; i < _ports.n_total(); ++i) {
1044                 set_routing_color (cr, i < _ports.n_midi());
1045                 const double x = ProcessorEntry::RoutingIcon::pin_x_pos (i, width, _ports.n_total(), 0 , false);
1046                 cairo_rectangle (cr, x - .5 - dx * .5, 0, 1 + dx, height);
1047                 cairo_fill(cr);
1048         }
1049
1050         cairo_destroy(cr);
1051         return true;
1052 }
1053
1054 ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
1055         : _fed_by (false)
1056         , _input (input)
1057 {
1058         set_terminal (false);
1059 }
1060
1061 void
1062 ProcessorEntry::RoutingIcon::set_terminal (bool b) {
1063         _terminal = b;
1064         int h = std::max (8.f, rintf(8.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1065         if (_terminal) {
1066                 h += std::max (4.f, rintf(4.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1067         }
1068         set_size_request (-1, h);
1069 }
1070
1071 void
1072 ProcessorEntry::RoutingIcon::set (
1073                 const ARDOUR::ChanCount& in,
1074                 const ARDOUR::ChanCount& out,
1075                 const ARDOUR::ChanCount& sinks,
1076                 const ARDOUR::ChanCount& sources,
1077                 const ARDOUR::ChanMapping& in_map,
1078                 const ARDOUR::ChanMapping& out_map,
1079                 const ARDOUR::ChanMapping& thru_map)
1080 {
1081         _in       = in;
1082         _out      = out;
1083         _sources  = sources;
1084         _sinks    = sinks;
1085         _in_map   = in_map;
1086         _out_map  = out_map;
1087         _thru_map = thru_map;
1088 }
1089
1090 bool
1091 ProcessorEntry::RoutingIcon::in_identity () const {
1092         if (_thru_map.n_total () > 0) {
1093                 return false;
1094         }
1095         if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
1096                 return false;
1097         }
1098         if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
1099                 return false;
1100         }
1101         return true;
1102 }
1103
1104 bool
1105 ProcessorEntry::RoutingIcon::out_identity () const {
1106         if (_thru_map.n_total () > 0) {
1107                 // TODO skip if trhu is not connected to any of next's inputs
1108                 return false;
1109         }
1110         if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
1111                 return false;
1112         }
1113         if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
1114                 return false;
1115         }
1116         return true;
1117 }
1118
1119 bool
1120 ProcessorEntry::RoutingIcon::can_coalesce () const {
1121         if (_thru_map.n_total () > 0) {
1122                 return false;
1123         }
1124         if (_fed_by && _f_out != _f_sources) {
1125                 return false;
1126         }
1127         if (_input && _sinks == _in && (!_fed_by || _f_out == _in)) {
1128                 return true;
1129         }
1130         return false;
1131 }
1132
1133 void
1134 ProcessorEntry::RoutingIcon::set_fed_by (
1135                                 const ARDOUR::ChanCount& out,
1136                                 const ARDOUR::ChanCount& sources,
1137                                 const ARDOUR::ChanMapping& out_map,
1138                                 const ARDOUR::ChanMapping& thru_map)
1139 {
1140         _f_out      = out;
1141         _f_sources  = sources;
1142         _f_out_map  = out_map;
1143         _f_thru_map = thru_map;
1144         _fed_by     = true;
1145 }
1146
1147 void
1148 ProcessorEntry::RoutingIcon::set_feeding (
1149                                 const ARDOUR::ChanCount& in,
1150                                 const ARDOUR::ChanCount& sinks,
1151                                 const ARDOUR::ChanMapping& in_map,
1152                                 const ARDOUR::ChanMapping& thru_map)
1153 {
1154         _i_in       = in;
1155         _i_sinks    = sinks;
1156         _i_in_map   = in_map;
1157         _i_thru_map = thru_map;
1158         _feeding    = true;
1159 }
1160
1161 double
1162 ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
1163 {
1164         if (!midi) { i += n_midi; }
1165         if (n_total == 1) {
1166                 assert (i == 0);
1167                 return rint (width * .5) +.5;
1168         }
1169         return rint (width * (.15 + .7 * i / (n_total - 1))) + .5;
1170 }
1171
1172 void
1173 ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double y0, double height, bool midi)
1174 {
1175         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1176         const double y1 = rint (height * .66) + .5;
1177
1178         cairo_save (cr);
1179         cairo_translate (cr, x0, y0);
1180         cairo_move_to (cr, 0, height);
1181         cairo_line_to (cr, 0, y1);
1182         cairo_move_to (cr, 0 - dx, y1);
1183         cairo_line_to (cr, 0 + dx, y1);
1184
1185         set_routing_color (cr, midi);
1186         cairo_set_line_width (cr, 1.0);
1187         cairo_stroke (cr);
1188         cairo_restore (cr);
1189 }
1190
1191 void
1192 ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double y0, double height, bool midi)
1193 {
1194         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1195         const double y1 = rint (height * .5) - .5;
1196
1197         cairo_save (cr);
1198         cairo_translate (cr, x0, y0);
1199         cairo_move_to (cr, 0 - dx, height);
1200         cairo_line_to (cr, 0, y1);
1201         cairo_line_to (cr, 0 + dx, height);
1202         cairo_close_path (cr);
1203
1204         set_routing_color (cr, midi);
1205         cairo_fill (cr);
1206         cairo_restore (cr);
1207 }
1208
1209 void
1210 ProcessorEntry::RoutingIcon::draw_thru_src (cairo_t* cr, double x0, double y0, double height, bool midi)
1211 {
1212         const double rad = 1;
1213         const double y1 = height - rad - 1.5;
1214
1215         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1216         cairo_move_to (cr, x0, y0 + height - 1.5);
1217         cairo_line_to (cr, x0, y0 + height);
1218         set_routing_color (cr, midi);
1219         cairo_set_line_width  (cr, 1.0);
1220         cairo_stroke (cr);
1221 }
1222
1223 void
1224 ProcessorEntry::RoutingIcon::draw_thru_sink (cairo_t* cr, double x0, double y0, double height, bool midi)
1225 {
1226         const double rad = 1;
1227         const double y1 = rad + 1;
1228
1229         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1230         cairo_move_to (cr, x0, y0);
1231         cairo_line_to (cr, x0, y0 + 1);
1232         set_routing_color (cr, midi);
1233         cairo_set_line_width  (cr, 1.0);
1234         cairo_stroke (cr);
1235 }
1236
1237 void
1238 ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
1239 {
1240         double bz = abs (y1 - y0);
1241
1242         cairo_move_to (cr, x0, y0);
1243         cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
1244         cairo_set_line_width  (cr, 1.0);
1245         cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
1246         cairo_set_source_rgb (cr, 1, 0, 0);
1247         if (dashed) {
1248                 const double dashes[] = { 2, 3 };
1249                 cairo_set_dash (cr, dashes, 2, 0);
1250         }
1251         set_routing_color (cr, midi);
1252         cairo_stroke (cr);
1253         if (dashed) {
1254                 cairo_set_dash (cr, 0, 0, 0);
1255         }
1256 }
1257
1258 bool
1259 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
1260 {
1261         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1262
1263         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1264         cairo_clip (cr);
1265
1266         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
1267
1268         Gtk::Allocation a = get_allocation();
1269         double const width = a.get_width();
1270         double const height = a.get_height();
1271
1272         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1273         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1274
1275         cairo_rectangle (cr, 0, 0, width, height);
1276         cairo_fill (cr);
1277
1278         if (_input) {
1279                 if (can_coalesce ()) {
1280                         expose_coalesced_input_map (cr, width, height);
1281                 } else {
1282                         expose_input_map (cr, width, height);
1283                 }
1284         } else {
1285                 expose_output_map (cr, width, height);
1286         }
1287
1288         cairo_destroy(cr);
1289         return true;
1290 }
1291
1292 void
1293 ProcessorEntry::RoutingIcon::expose_coalesced_input_map (cairo_t* cr, const double width, const double height)
1294 {
1295         const uint32_t pc_in = _sinks.n_total();
1296         const uint32_t pc_in_midi = _sinks.n_midi();
1297
1298         for (uint32_t i = 0; i < pc_in; ++i) {
1299                 const bool is_midi = i < pc_in_midi;
1300                 bool valid_in;
1301                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1302                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1303                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1304                 if (!valid_in) {
1305                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1306                         draw_gnd (cr, x, 0, height, is_midi);
1307                         continue;
1308                 }
1309                 if (idx >= _in.get (dt)) {
1310                         // side-chain, probably
1311                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1312                         draw_sidechain (cr, x, 0, height, is_midi);
1313                         continue;
1314                 }
1315                 double c_x0;
1316                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1317
1318                 if (_fed_by) {
1319                         bool valid_src;
1320                         uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
1321                         if (!valid_src) {
1322                                 double x = pin_x_pos (i, width, pc_in, 0, false);
1323                                 bool valid_thru;
1324                                 _f_thru_map.get (dt, idx, &valid_thru);
1325                                 if (valid_thru) {
1326                                         draw_thru_src (cr, x, 0, height, is_midi);
1327                                 } else {
1328                                         draw_gnd (cr, x, 0, height, is_midi);
1329                                 }
1330                                 continue;
1331                         }
1332                         c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
1333                 } else {
1334                         c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
1335                 }
1336                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1337         }
1338 }
1339
1340 void
1341 ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
1342 {
1343         const uint32_t n_in = _in.n_total();
1344         const uint32_t n_in_midi = _in.n_midi();
1345         const uint32_t pc_in = _sinks.n_total();
1346         const uint32_t pc_in_midi = _sinks.n_midi();
1347
1348         // draw inputs to this
1349         for (uint32_t i = 0; i < pc_in; ++i) {
1350                 const bool is_midi = i < pc_in_midi;
1351                 bool valid_in;
1352                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1353                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1354                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1355                 // check if it's fed
1356                 bool valid_src = true;
1357                 if (valid_in && idx < _in.get (dt) && _fed_by) {
1358                         bool valid_out;
1359                         bool valid_thru;
1360                         _f_out_map.get_src (dt, idx, &valid_out);
1361                         _f_thru_map.get (dt, idx, &valid_thru);
1362                         if (!valid_out && !valid_thru) {
1363                                 valid_src = false;
1364                         }
1365                 }
1366                 if (!valid_in || !valid_src) {
1367                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1368                         draw_gnd (cr, x, 0, height, is_midi);
1369                         continue;
1370                 }
1371                 if (idx >= _in.get (dt)) {
1372                         // side-chain, probably
1373                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1374                         draw_sidechain (cr, x, 0, height, is_midi);
1375                         continue;
1376                 }
1377                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1378                 double c_x0 = pin_x_pos (idx, width, n_in, n_in_midi, is_midi);
1379                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1380         }
1381
1382         // draw reverse thru
1383         for (uint32_t i = 0; i < n_in; ++i) {
1384                 const bool is_midi = i < n_in_midi;
1385                 bool valid_thru;
1386                 uint32_t pn = is_midi ? i : i - n_in_midi;
1387                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1388                 _thru_map.get_src (dt, pn, &valid_thru);
1389                 if (!valid_thru) {
1390                         continue;
1391                 }
1392                 double x = pin_x_pos (i, width, n_in, 0, is_midi);
1393                 draw_thru_sink (cr, x, 0, height, is_midi);
1394         }
1395 }
1396
1397 void
1398 ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
1399 {
1400         int dh = std::max (4.f, rintf(4.f * UIConfiguration::instance().get_ui_scale()));
1401         double ht = _terminal ? height - dh : height;
1402
1403         // draw outputs of this
1404         const uint32_t pc_out = _sources.n_total();
1405         const uint32_t pc_out_midi = _sources.n_midi();
1406         const uint32_t n_out = _out.n_total();
1407         const uint32_t n_out_midi = _out.n_midi();
1408
1409         for (uint32_t i = 0; i < pc_out; ++i) {
1410                 const bool is_midi = i < pc_out_midi;
1411                 bool valid_out;
1412                 uint32_t pn = is_midi ? i : i - pc_out_midi;
1413                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1414                 uint32_t idx = _out_map.get (dt, pn, &valid_out);
1415                 if (!valid_out) {
1416                         continue;
1417                 }
1418                 // skip connections that are not used in the next's input
1419                 if (_feeding) {
1420                         bool valid_thru, valid_sink;
1421                         _i_in_map.get_src (dt, idx, &valid_sink);
1422                         _i_thru_map.get_src (dt, idx, &valid_thru);
1423                         if (!valid_thru && !valid_sink) {
1424                                 if (!is_midi || i != 0) { // special case midi-bypass
1425                                         continue;
1426                                 }
1427                         }
1428                 }
1429                 double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
1430                 double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
1431                 draw_connection (cr, c_x0, c_x1, 0, ht, is_midi);
1432         }
1433
1434         for (uint32_t i = 0; i < n_out; ++i) {
1435                 const bool is_midi = i < n_out_midi;
1436                 uint32_t pn = is_midi ? i : i - n_out_midi;
1437                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1438                 double x = pin_x_pos (i, width, n_out, 0, is_midi);
1439
1440                 if (!_terminal) {
1441                         bool valid_thru_f = false;
1442                         // skip connections that are not used in the next's input
1443                         if (_feeding) {
1444                                 bool valid_sink;
1445                                 _i_in_map.get_src (dt, pn, &valid_sink);
1446                                 _i_thru_map.get_src (dt, pn, &valid_thru_f);
1447                                 if (!valid_thru_f && !valid_sink) {
1448                                         if (!is_midi || i != 0) { // special case midi-bypass
1449                                                 continue;
1450                                         }
1451                                 }
1452                         }
1453
1454                         bool valid_src;
1455                         _out_map.get_src (dt, pn, &valid_src);
1456                         if (!valid_src) {
1457                                 bool valid_thru;
1458                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1459                                 if (valid_thru) {
1460                                         if (idx >= _in.get (dt)) {
1461                                                 draw_sidechain (cr, x, 0, height, is_midi);
1462                                         } else {
1463                                                 draw_thru_src (cr, x, 0, height, is_midi);
1464                                         }
1465                                 } else if (valid_thru_f){
1466                                         // gnd is part of input, unless it's a thru input
1467                                         // (also only true if !coalesced into one small display)
1468                                         draw_gnd (cr, x, 0, height, is_midi);
1469                                 }
1470                         }
1471                 } else {
1472                         // terminal node, add arrows
1473                         bool valid_src;
1474                         _out_map.get_src (dt, pn, &valid_src);
1475                         if (!valid_src) {
1476                                 bool valid_thru;
1477                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1478                                 if (valid_thru) {
1479                                         if (idx >= _in.get (dt)) {
1480                                                 draw_sidechain (cr, x, 0, height - dh, is_midi);
1481                                         } else {
1482                                                 draw_thru_src (cr, x, 0, height - dh, is_midi);
1483                                         }
1484                                 } else {
1485                                         draw_gnd (cr, x, 0, height - dh, is_midi);
1486                                 }
1487                         }
1488
1489                         set_routing_color (cr, is_midi);
1490                         cairo_set_line_width (cr, 1.0);
1491                         cairo_move_to (cr, x, height - dh);
1492                         cairo_line_to (cr, x, height - 2);
1493                         cairo_stroke (cr);
1494
1495                         const double ar = dh - 1;
1496                         cairo_move_to (cr, x - ar, height - ar);
1497                         cairo_line_to (cr, x     , height - .5);
1498                         cairo_line_to (cr, x + ar, height - ar);
1499                         cairo_line_to (cr, x     , height - ar * .5);
1500                         cairo_close_path (cr);
1501                         cairo_fill_preserve (cr);
1502                         cairo_stroke (cr);
1503                 }
1504         }
1505 }
1506
1507 ProcessorEntry::PluginDisplay::PluginDisplay (boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
1508         : _plug (p)
1509         , _surf (0)
1510         , _max_height (max_height)
1511         , _cur_height (1)
1512         , _scroll (false)
1513 {
1514         set_name ("processor prefader");
1515         _plug->QueueDraw.connect (_qdraw_connection, invalidator (*this),
1516                         boost::bind (&Gtk::Widget::queue_draw, this), gui_context ());
1517 }
1518
1519 ProcessorEntry::PluginDisplay::~PluginDisplay ()
1520 {
1521         if (_surf) {
1522                 cairo_surface_destroy (_surf);
1523         }
1524 }
1525
1526 void
1527 ProcessorEntry::PluginDisplay::on_size_request (Gtk::Requisition* req)
1528 {
1529         req->width = 56;
1530         req->height = _cur_height;
1531 }
1532
1533
1534 void
1535 ProcessorEntry::PluginDisplay::update_height_alloc (uint32_t inline_height)
1536 {
1537         /* work-around scroll-bar + aspect ratio
1538          * show inline-view -> height changes -> scrollbar gets added
1539          * -> width changes -> inline-view, fixed aspect ratio -> height changes
1540          * -> scroll bar is removed [-> width changes ; repeat ]
1541          */
1542         uint32_t shm = std::min (_max_height, inline_height);
1543         bool sc = false;
1544         Gtk::Container* pr = get_parent();
1545         for (uint32_t i = 0; i < 4 && pr; ++i) {
1546                 // VBox, EventBox, ViewPort, ScrolledWindow
1547                 pr = pr->get_parent();
1548         }
1549         Gtk::ScrolledWindow* sw = dynamic_cast<Gtk::ScrolledWindow*> (pr);
1550         if (sw) {
1551                 const Gtk::VScrollbar* vsb = sw->get_vscrollbar();
1552                 sc = vsb && vsb->is_visible();
1553         }
1554
1555         if (shm != _cur_height) {
1556                 if (_scroll == sc || _cur_height < shm) {
1557                         queue_resize ();
1558                 }
1559                 _cur_height = shm;
1560         }
1561         _scroll = sc;
1562 }
1563
1564 uint32_t
1565 ProcessorEntry::PluginDisplay::render_inline (cairo_t* cr, uint32_t width)
1566 {
1567         Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
1568         if (!dis) {
1569                 return 0;
1570         }
1571
1572         /* allocate a local image-surface,
1573          * We cannot re-use the data via cairo_image_surface_create_for_data(),
1574          * since pixman keeps a reference to it.
1575          * we'd need to hand over the data and ha cairo_surface_destroy to free it.
1576          * it might be possible to work around via cairo_surface_set_user_data().
1577          */
1578         if (!_surf
1579                         || dis->width !=  cairo_image_surface_get_width (_surf)
1580                         || dis->height !=  cairo_image_surface_get_height (_surf)
1581                  ) {
1582                 if (_surf) {
1583                         cairo_surface_destroy (_surf);
1584                 }
1585                 _surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dis->width, dis->height);
1586         }
1587
1588         if (cairo_image_surface_get_stride (_surf) == dis->stride) {
1589                 memcpy (cairo_image_surface_get_data (_surf), dis->data, dis->stride * dis->height);
1590         } else {
1591                 unsigned char *src = dis->data;
1592                 unsigned char *dst = cairo_image_surface_get_data (_surf);
1593                 const int dst_stride =  cairo_image_surface_get_stride (_surf);
1594                 for (int y = 0; y < dis->height; ++y) {
1595                         memcpy (dst, src, dis->width * 4 /*ARGB32*/);
1596                         src += dis->stride;
1597                         dst += dst_stride;
1598                 }
1599         }
1600
1601         cairo_surface_mark_dirty(_surf);
1602         const double xc = floor ((width - dis->width) * .5);
1603         cairo_set_source_surface(cr, _surf, xc, 0);
1604         cairo_paint (cr);
1605
1606         return dis->height;
1607 }
1608
1609 bool
1610 ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
1611 {
1612         Gtk::Allocation a = get_allocation();
1613         double const width = a.get_width();
1614         double const height = a.get_height();
1615
1616         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1617         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1618         cairo_clip (cr);
1619
1620         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1621         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1622         cairo_rectangle (cr, 0, 0, width, height);
1623         cairo_fill (cr);
1624
1625         cairo_save (cr);
1626         cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
1627         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1628         cairo_clip (cr);
1629         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1630
1631         uint32_t ht = render_inline (cr, width);
1632         cairo_restore (cr);
1633
1634         if (ht == 0) {
1635                 hide ();
1636                 if (_cur_height != 1) {
1637                         _cur_height = 1;
1638                         queue_resize ();
1639                 }
1640                 cairo_destroy (cr);
1641                 return true;
1642         } else {
1643                 update_height_alloc (ht);
1644         }
1645
1646         bool failed = false;
1647         std::string name = get_name();
1648         ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
1649
1650         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1651         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1652         cairo_set_line_width(cr, 1.0);
1653         ArdourCanvas::set_source_rgb_a (cr, fill_color, 1.0);
1654         cairo_stroke (cr);
1655
1656         cairo_destroy(cr);
1657         return true;
1658 }
1659
1660 ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
1661         : PluginDisplay (p, max_height)
1662         , _luaproc (p)
1663         , _lua_render_inline (0)
1664 {
1665         p->setup_lua_inline_gui (&lua_gui);
1666
1667         lua_State* LG = lua_gui.getState ();
1668         LuaInstance::bind_cairo (LG);
1669         luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
1670         assert (lua_render.isFunction ());
1671         _lua_render_inline = new luabridge::LuaRef (lua_render);
1672 }
1673
1674 ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
1675 {
1676         delete (_lua_render_inline);
1677 }
1678
1679 uint32_t
1680 ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
1681 {
1682         Cairo::Context ctx (cr);
1683         try {
1684                 luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
1685                 if (rv.isTable ()) {
1686                         uint32_t h = rv[2];
1687                         return h;
1688                 }
1689         } catch (luabridge::LuaException const& e) {
1690 #ifndef NDEBUG
1691                 cerr << "LuaException:" << e.what () << endl;
1692 #endif
1693         }
1694         return 0;
1695 }
1696
1697
1698 static std::list<Gtk::TargetEntry> drop_targets()
1699 {
1700         std::list<Gtk::TargetEntry> tmp;
1701         tmp.push_back (Gtk::TargetEntry ("processor")); // from processor-box to processor-box
1702         tmp.push_back (Gtk::TargetEntry ("PluginInfoPtr")); // from plugin-manager
1703         tmp.push_back (Gtk::TargetEntry ("PluginFavoritePtr")); // from sidebar
1704         return tmp;
1705 }
1706
1707 static std::list<Gtk::TargetEntry> drag_targets()
1708 {
1709         std::list<Gtk::TargetEntry> tmp;
1710         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // to sidebar (optional preset)
1711         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor-box (copy)
1712         return tmp;
1713 }
1714
1715 static std::list<Gtk::TargetEntry> drag_targets_noplugin()
1716 {
1717         std::list<Gtk::TargetEntry> tmp;
1718         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor box (sends, faders re-order)
1719         return tmp;
1720 }
1721
1722 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1723                             RouteProcessorSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
1724         : _parent_strip (parent)
1725         , _owner_is_mixer (owner_is_mixer)
1726         , ab_direction (true)
1727         , _get_plugin_selector (get_plugin_selector)
1728         , _placement (-1)
1729         , _visible_prefader_processors (0)
1730         , _rr_selection(rsel)
1731         , processor_display (drop_targets())
1732         , _redisplay_pending (false)
1733 {
1734         set_session (sess);
1735
1736         /* ProcessorBox actions and bindings created statically by call to
1737          * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
1738          * are available for context menus.
1739          */
1740
1741         processor_display.set_data ("ardour-bindings", bindings);
1742
1743         _width = Wide;
1744         processor_menu = 0;
1745         no_processor_redisplay = false;
1746
1747         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1748         processor_scroller.add (processor_display);
1749         pack_start (processor_scroller, true, true);
1750
1751         processor_display.set_flags (CAN_FOCUS);
1752         processor_display.set_name ("ProcessorList");
1753         processor_display.set_data ("processorbox", this);
1754         processor_display.set_size_request (48, -1);
1755         processor_display.set_spacing (0);
1756
1757         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1758         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1759
1760         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1761         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1762
1763         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1764         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1765         processor_display.DropFromExternal.connect (sigc::mem_fun (*this, &ProcessorBox::plugin_drop));
1766
1767         processor_scroller.show ();
1768         processor_display.show ();
1769
1770         if (parent) {
1771                 parent->DeliveryChanged.connect (
1772                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1773                         );
1774         }
1775
1776         ARDOUR_UI_UTILS::set_tooltip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1777 }
1778
1779 ProcessorBox::~ProcessorBox ()
1780 {
1781         /* it may appear as if we should delete processor_menu but that is a
1782          * pointer to a widget owned by the UI Manager, and has potentially
1783          * be returned to many other ProcessorBoxes. GTK doesn't really make
1784          * clear the ownership of this widget, which is a menu and thus is
1785          * never packed into any container other than an implict GtkWindow.
1786          *
1787          * For now, until or if we ever get clarification over the ownership
1788          * story just let it continue to exist. At worst, its a small memory leak.
1789          */
1790 }
1791
1792 void
1793 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1794 {
1795         if (_route == r) {
1796                 return;
1797         }
1798
1799         _route_connections.drop_connections();
1800
1801         /* new route: any existing block on processor redisplay must be meaningless */
1802         no_processor_redisplay = false;
1803         _route = r;
1804
1805         _route->processors_changed.connect (
1806                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1807                 );
1808
1809         _route->DropReferences.connect (
1810                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1811                 );
1812
1813         _route->PropertyChanged.connect (
1814                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1815                 );
1816
1817         redisplay_processors ();
1818 }
1819
1820 void
1821 ProcessorBox::route_going_away ()
1822 {
1823         /* don't keep updating display as processors are deleted */
1824         no_processor_redisplay = true;
1825         _route.reset ();
1826 }
1827
1828 boost::shared_ptr<Processor>
1829 ProcessorBox::find_drop_position (ProcessorEntry* position)
1830 {
1831         boost::shared_ptr<Processor> p;
1832         if (position) {
1833                 p = position->processor ();
1834                 if (!p) {
1835                         /* dropped on the blank entry (which will be before the
1836                                  fader), so use the first non-blank child as our
1837                                  `dropped on' processor */
1838                         list<ProcessorEntry*> c = processor_display.children ();
1839                         list<ProcessorEntry*>::iterator i = c.begin ();
1840
1841                         assert (i != c.end ());
1842                         p = (*i)->processor ();
1843                         assert (p);
1844                 }
1845         }
1846         return p;
1847 }
1848
1849 void
1850 ProcessorBox::_drop_plugin_preset (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1851 {
1852                 const void * d = data.get_data();
1853                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1854
1855                 PluginPresetList nfos;
1856                 TreeView* source;
1857                 tv->get_object_drag_data (nfos, &source);
1858
1859                 for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1860                         PluginPresetPtr ppp = (*i);
1861                         PluginInfoPtr pip = ppp->_pip;
1862                         PluginPtr p = pip->load (*_session);
1863                         if (!p) {
1864                                 continue;
1865                         }
1866
1867                         if (ppp->_preset.valid) {
1868                                 p->load_preset (ppp->_preset);
1869                         }
1870
1871                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1872                         if (Config->get_new_plugins_active ()) {
1873                                 processor->activate ();
1874                         }
1875                         pl.push_back (processor);
1876                 }
1877 }
1878
1879 void
1880 ProcessorBox::_drop_plugin (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1881 {
1882                 const void * d = data.get_data();
1883                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>*>(d);
1884                 PluginInfoList nfos;
1885
1886                 TreeView* source;
1887                 tv->get_object_drag_data (nfos, &source);
1888
1889                 for (list<PluginInfoPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1890                         PluginPtr p = (*i)->load (*_session);
1891                         if (!p) {
1892                                 continue;
1893                         }
1894                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1895                         if (Config->get_new_plugins_active ()) {
1896                                 processor->activate ();
1897                         }
1898                         pl.push_back (processor);
1899                 }
1900 }
1901
1902 void
1903 ProcessorBox::plugin_drop (Gtk::SelectionData const &data, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1904 {
1905         if (!_session) {
1906                 return;
1907         }
1908
1909         boost::shared_ptr<Processor> p = find_drop_position (position);
1910         Route::ProcessorList pl;
1911
1912         if (data.get_target() == "PluginInfoPtr") {
1913                 _drop_plugin (data, pl);
1914         }
1915         else if (data.get_target() == "PluginFavoritePtr") {
1916                 _drop_plugin_preset (data, pl);
1917         }
1918         else {
1919                 return;
1920         }
1921
1922         Route::ProcessorStreams err;
1923         if (_route->add_processors (pl, p, &err)) {
1924                 string msg = _(
1925                                 "Processor Drag/Drop failed. Probably because\n\
1926 the I/O configuration of the plugins could\n\
1927 not match the configuration of this track.");
1928                 MessageDialog am (msg);
1929                 am.run ();
1930         }
1931 }
1932
1933 void
1934 ProcessorBox::object_drop (DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1935 {
1936         if (Gdk::ACTION_LINK == context->get_selected_action()) {
1937                 list<ProcessorEntry*> children = source->selection ();
1938                 assert (children.size() == 1);
1939                 ProcessorEntry* other = *children.begin();
1940                 assert (other->can_copy_state (position));
1941                 boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
1942                 boost::shared_ptr<ARDOUR::Processor> proc = position->processor();
1943                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1944                 assert (otherproc && proc && pi);
1945
1946                 PBD::ID id = pi->id();
1947                 XMLNode& state = otherproc->get_state ();
1948                 /* strip side-chain state (processor inside processor must be a side-chain)
1949                  * otherwise we'll end up with duplicate ports-names.
1950                  * (this needs a better solution which retains connections)
1951                  */
1952                 state.remove_nodes ("Processor");
1953                 proc->set_state (state, Stateful::loading_state_version);
1954                 boost::dynamic_pointer_cast<PluginInsert>(proc)->update_id (id);
1955                 return;
1956         }
1957
1958         boost::shared_ptr<Processor> p = find_drop_position (position);
1959
1960         list<ProcessorEntry*> children = source->selection ();
1961         list<boost::shared_ptr<Processor> > procs;
1962         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
1963                 if ((*i)->processor ()) {
1964                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
1965                                 continue;
1966                         }
1967                         procs.push_back ((*i)->processor ());
1968                 }
1969         }
1970
1971         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
1972                 XMLNode& state = (*i)->get_state ();
1973                 XMLNodeList nlist;
1974                 nlist.push_back (&state);
1975                 paste_processor_state (nlist, p);
1976                 delete &state;
1977         }
1978
1979         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
1980            ourselves.
1981         */
1982
1983         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
1984                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
1985                 if (other) {
1986                         other->delete_dragged_processors (procs);
1987                 }
1988         }
1989 }
1990
1991 void
1992 ProcessorBox::set_width (Width w)
1993 {
1994         if (_width == w) {
1995                 return;
1996         }
1997
1998         _width = w;
1999
2000         list<ProcessorEntry*> children = processor_display.children ();
2001         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2002                 (*i)->set_enum_width (w);
2003         }
2004
2005         queue_resize ();
2006 }
2007
2008 Gtk::Menu*
2009 ProcessorBox::build_possible_aux_menu ()
2010 {
2011         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2012
2013         if (rl->empty()) {
2014                 /* No aux sends if there are no busses */
2015                 return 0;
2016         }
2017
2018         if (_route->is_monitor ()) {
2019                 return 0;
2020         }
2021
2022         using namespace Menu_Helpers;
2023         Menu* menu = manage (new Menu);
2024         MenuList& items = menu->items();
2025
2026         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2027                 if (!_route->internal_send_for (*r) && *r != _route) {
2028                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
2029                 }
2030         }
2031
2032         return menu;
2033 }
2034
2035 void
2036 ProcessorBox::show_processor_menu (int arg)
2037 {
2038         if (processor_menu == 0) {
2039                 processor_menu = build_processor_menu ();
2040                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
2041         }
2042
2043         /* Sort out the plugin submenu */
2044
2045         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
2046
2047         if (plugin_menu_item) {
2048                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
2049         }
2050
2051         /* And the aux submenu */
2052
2053         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
2054
2055         if (aux_menu_item) {
2056                 Menu* m = build_possible_aux_menu();
2057                 if (m && !m->items().empty()) {
2058                         aux_menu_item->set_submenu (*m);
2059                         aux_menu_item->set_sensitive (true);
2060                 } else {
2061                         /* stupid gtkmm: we need to pass a null reference here */
2062                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
2063                         aux_menu_item->set_sensitive (false);
2064                 }
2065         }
2066
2067         ActionManager::get_action (X_("ProcessorMenu"), "newinsert")->set_sensitive (!_route->is_monitor ());
2068         ActionManager::get_action (X_("ProcessorMenu"), "newsend")->set_sensitive (!_route->is_monitor ());
2069
2070         ProcessorEntry* single_selection = 0;
2071         if (processor_display.selection().size() == 1) {
2072                 single_selection = processor_display.selection().front();
2073         }
2074
2075         /* And the controls submenu */
2076
2077         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
2078
2079         if (controls_menu_item) {
2080                 if (single_selection) {
2081                         Menu* m = single_selection->build_controls_menu ();
2082                         if (m && !m->items().empty()) {
2083                                 controls_menu_item->set_submenu (*m);
2084                                 controls_menu_item->set_sensitive (true);
2085                         } else {
2086                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
2087                                 controls_menu_item->set_sensitive (false);
2088                         }
2089                 } else {
2090                         controls_menu_item->set_sensitive (false);
2091                 }
2092         }
2093
2094
2095         if (!ARDOUR::Profile->get_mixbus()) {
2096                 Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
2097                 if (send_menu_item) {
2098                         if (single_selection && !_route->is_monitor()) {
2099                                 Menu* m = single_selection->build_send_options_menu ();
2100                                 if (m && !m->items().empty()) {
2101                                         send_menu_item->set_submenu (*m);
2102                                         send_menu_item->set_sensitive (true);
2103                                 } else {
2104                                         gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
2105                                         send_menu_item->set_sensitive (false);
2106                                 }
2107                         } else {
2108                                 send_menu_item->set_sensitive (false);
2109                         }
2110                 }
2111         }
2112
2113         /* Sensitise actions as approprioate */
2114
2115
2116         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
2117
2118         paste_action->set_sensitive (!_rr_selection.processors.empty());
2119         cut_action->set_sensitive (sensitive && can_cut ());
2120         copy_action->set_sensitive (sensitive);
2121         delete_action->set_sensitive (sensitive || stub_processor_selected ());
2122
2123         edit_action->set_sensitive (one_processor_can_be_edited ());
2124         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
2125
2126         boost::shared_ptr<PluginInsert> pi;
2127         if (single_selection) {
2128                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
2129         }
2130
2131         manage_pins_action->set_sensitive (pi != 0);
2132
2133         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
2134         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
2135
2136         /* disallow rename for multiple selections, for plugin inserts and for the fader */
2137         rename_action->set_sensitive (single_selection
2138                         && !pi
2139                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
2140                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
2141
2142         processor_menu->popup (1, arg);
2143
2144         /* Add a placeholder gap to the processor list to indicate where a processor would be
2145            inserted were one chosen from the menu.
2146         */
2147         int x, y;
2148         processor_display.get_pointer (x, y);
2149         _placement = processor_display.add_placeholder (y);
2150
2151         if (_visible_prefader_processors == 0 && _placement > 0) {
2152                 --_placement;
2153         }
2154 }
2155
2156 bool
2157 ProcessorBox::enter_notify (GdkEventCrossing*)
2158 {
2159         processor_display.grab_focus ();
2160         _current_processor_box = this;
2161         return false;
2162 }
2163
2164 bool
2165 ProcessorBox::leave_notify (GdkEventCrossing* ev)
2166 {
2167         if (ev->detail == GDK_NOTIFY_INFERIOR) {
2168                 return false;
2169         }
2170
2171         Widget* top = get_toplevel();
2172
2173         if (top->is_toplevel()) {
2174                 Window* win = dynamic_cast<Window*> (top);
2175                 gtk_window_set_focus (win->gobj(), 0);
2176         }
2177
2178         return false;
2179 }
2180
2181 bool
2182 ProcessorBox::processor_operation (ProcessorOperation op)
2183 {
2184         ProcSelection targets;
2185
2186         get_selected_processors (targets);
2187
2188 /*      if (targets.empty()) {
2189
2190                 int x, y;
2191                 processor_display.get_pointer (x, y);
2192
2193                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
2194
2195                 if (pointer.first && pointer.first->processor()) {
2196                         targets.push_back (pointer.first->processor ());
2197                 }
2198         }
2199 */
2200
2201         if ((op == ProcessorsDelete) && targets.empty()) {
2202                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
2203         }
2204
2205         switch (op) {
2206         case ProcessorsSelectAll:
2207                 processor_display.select_all ();
2208                 break;
2209
2210         case ProcessorsSelectNone:
2211                 processor_display.select_none ();
2212                 break;
2213
2214         case ProcessorsCopy:
2215                 copy_processors (targets);
2216                 break;
2217
2218         case ProcessorsCut:
2219                 cut_processors (targets);
2220                 break;
2221
2222         case ProcessorsPaste:
2223                 // some processors are not selectable (e.g fader, meter), target is empty.
2224                 if (targets.empty() && _placement >= 0) {
2225                         assert (_route);
2226                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
2227                         if (proc) {
2228                                 targets.push_back (proc);
2229                         }
2230                 }
2231                 if (targets.empty()) {
2232                         paste_processors ();
2233                 } else {
2234                         paste_processors (targets.front());
2235                 }
2236                 break;
2237
2238         case ProcessorsDelete:
2239                 delete_processors (targets);
2240                 break;
2241
2242         case ProcessorsToggleActive:
2243                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
2244                         if ((*i)->active()) {
2245                                 (*i)->deactivate ();
2246                         } else {
2247                                 (*i)->activate ();
2248                         }
2249                 }
2250                 break;
2251
2252         case ProcessorsAB:
2253                 ab_plugins ();
2254                 break;
2255
2256         default:
2257                 break;
2258         }
2259
2260         return true;
2261 }
2262
2263 ProcessorWindowProxy*
2264 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
2265 {
2266         return  processor->window_proxy();
2267 }
2268
2269
2270 bool
2271 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
2272 {
2273         boost::shared_ptr<Processor> processor;
2274         if (child) {
2275                 processor = child->processor ();
2276         }
2277
2278         int ret = false;
2279         bool selected = processor_display.selected (child);
2280
2281         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
2282
2283                 if (_session->engine().connected()) {
2284                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
2285
2286                         if (!one_processor_can_be_edited ()) {
2287                                 return true;
2288                         }
2289
2290                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
2291                                 generic_edit_processor (processor);
2292                         } else {
2293                                 edit_processor (processor);
2294                         }
2295                 }
2296
2297                 ret = true;
2298
2299         } else if (Keyboard::is_context_menu_event (ev)) {
2300
2301                 show_processor_menu (ev->time);
2302
2303                 ret = true;
2304
2305         } else if (processor && ev->button == 1 && selected) {
2306
2307                 // this is purely informational but necessary for route params UI
2308                 ProcessorSelected (processor); // emit
2309
2310         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
2311
2312                 choose_plugin ();
2313                 _get_plugin_selector()->show_manager ();
2314         }
2315
2316         return ret;
2317 }
2318
2319 bool
2320 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
2321 {
2322         boost::shared_ptr<Processor> processor;
2323         if (child) {
2324                 processor = child->processor ();
2325         }
2326
2327         if (processor && Keyboard::is_delete_event (ev)) {
2328
2329                 Glib::signal_idle().connect (sigc::bind (
2330                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
2331                                 boost::weak_ptr<Processor>(processor)));
2332
2333         } else if (processor && Keyboard::is_button2_event (ev)
2334 #ifndef __APPLE__
2335                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
2336 #endif
2337                 ) {
2338
2339                 /* button2-click with no/appropriate modifiers */
2340
2341                 if (processor->active()) {
2342                         processor->deactivate ();
2343                 } else {
2344                         processor->activate ();
2345                 }
2346         }
2347
2348         return false;
2349 }
2350
2351 Menu *
2352 ProcessorBox::build_processor_menu ()
2353 {
2354         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
2355         processor_menu->set_name ("ArdourContextMenu");
2356         return processor_menu;
2357 }
2358
2359 void
2360 ProcessorBox::select_all_processors ()
2361 {
2362         processor_display.select_all ();
2363 }
2364
2365 void
2366 ProcessorBox::deselect_all_processors ()
2367 {
2368         processor_display.select_none ();
2369 }
2370
2371 void
2372 ProcessorBox::choose_plugin ()
2373 {
2374         _get_plugin_selector()->set_interested_object (*this);
2375 }
2376
2377 /** @return true if an error occurred, otherwise false */
2378 bool
2379 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
2380 {
2381         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
2382
2383                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
2384
2385                 Route::ProcessorStreams err_streams;
2386
2387                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2388                         weird_plugin_dialog (**p, err_streams);
2389                         return true;
2390                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
2391                 } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
2392                         if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
2393                                 ;
2394                         } else if (_session->engine().connected () && processor_can_be_edited (processor)) {
2395                                 if ((*p)->has_editor ()) {
2396                                         edit_processor (processor);
2397                                 } else {
2398                                         generic_edit_processor (processor);
2399                                 }
2400                         }
2401                 }
2402         }
2403
2404         return false;
2405 }
2406
2407 void
2408 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
2409 {
2410         ArdourDialog dialog (_("Plugin Incompatibility"));
2411         Label label;
2412
2413         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
2414                         p.name(), streams.index);
2415
2416         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
2417         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
2418
2419         text += _("\nThis plugin has:\n");
2420         if (has_midi) {
2421                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
2422                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
2423         }
2424         if (has_audio) {
2425                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
2426                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
2427         }
2428
2429         text += _("\nbut at the insertion point, there are:\n");
2430         if (has_midi) {
2431                 uint32_t const n = streams.count.n_midi ();
2432                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
2433         }
2434         if (has_audio) {
2435                 uint32_t const n = streams.count.n_audio ();
2436                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
2437         }
2438
2439         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
2440         label.set_text(text);
2441
2442         dialog.get_vbox()->pack_start (label);
2443         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2444
2445         dialog.set_name (X_("PluginIODialog"));
2446         dialog.set_modal (true);
2447         dialog.show_all ();
2448
2449         dialog.run ();
2450 }
2451
2452 void
2453 ProcessorBox::choose_insert ()
2454 {
2455         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
2456         _route->add_processor_by_index (processor, _placement);
2457 }
2458
2459 /* Caller must not hold process lock */
2460 void
2461 ProcessorBox::choose_send ()
2462 {
2463         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable (), _route->mute_master()));
2464
2465         /* make an educated guess at the initial number of outputs for the send */
2466         ChanCount outs = (_session->master_out())
2467                         ? _session->master_out()->n_outputs()
2468                         : _route->n_outputs();
2469
2470         /* XXX need processor lock on route */
2471         try {
2472                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
2473                 send->output()->ensure_io (outs, false, this);
2474         } catch (AudioEngine::PortRegistrationFailure& err) {
2475                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
2476                 return;
2477         }
2478
2479         /* let the user adjust the IO setup before creation.
2480
2481            Note: this dialog is NOT modal - we just leave it to run and it will
2482            return when its Finished signal is emitted - typically when the window
2483            is closed.
2484          */
2485
2486         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
2487         ios->show ();
2488
2489         /* keep a reference to the send so it doesn't get deleted while
2490            the IOSelectorWindow is doing its stuff
2491         */
2492         _processor_being_created = send;
2493
2494         ios->selector().Finished.connect (sigc::bind (
2495                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
2496                         boost::weak_ptr<Processor>(send), ios));
2497
2498 }
2499
2500 void
2501 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2502 {
2503         boost::shared_ptr<Processor> processor (weak_processor.lock());
2504
2505         /* drop our temporary reference to the new send */
2506         _processor_being_created.reset ();
2507
2508         if (!processor) {
2509                 return;
2510         }
2511
2512         switch (r) {
2513         case IOSelector::Cancelled:
2514                 // processor will go away when all shared_ptrs to it vanish
2515                 break;
2516
2517         case IOSelector::Accepted:
2518                 _route->add_processor_by_index (processor, _placement);
2519                 break;
2520         }
2521
2522         delete_when_idle (ios);
2523 }
2524
2525 void
2526 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2527 {
2528         boost::shared_ptr<Processor> processor (weak_processor.lock());
2529
2530         /* drop our temporary reference to the new return */
2531         _processor_being_created.reset ();
2532
2533         if (!processor) {
2534                 return;
2535         }
2536
2537         switch (r) {
2538         case IOSelector::Cancelled:
2539                 // processor will go away when all shared_ptrs to it vanish
2540                 break;
2541
2542         case IOSelector::Accepted:
2543                 _route->add_processor_by_index (processor, _placement);
2544                 break;
2545         }
2546
2547         delete_when_idle (ios);
2548 }
2549
2550 void
2551 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
2552 {
2553         if (!_route) {
2554                 return;
2555         }
2556
2557         boost::shared_ptr<Route> target = wr.lock();
2558
2559         if (!target) {
2560                 return;
2561         }
2562
2563         _session->add_internal_send (target, _placement, _route);
2564 }
2565
2566 void
2567 ProcessorBox::route_processors_changed (RouteProcessorChange c)
2568 {
2569         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
2570                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
2571                 return;
2572         }
2573
2574         redisplay_processors ();
2575 }
2576
2577 void
2578 ProcessorBox::redisplay_processors ()
2579 {
2580         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
2581         bool     fader_seen;
2582
2583         if (no_processor_redisplay) {
2584                 return;
2585         }
2586
2587         processor_display.clear ();
2588
2589         _visible_prefader_processors = 0;
2590         fader_seen = false;
2591
2592         _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &ProcessorBox::help_count_visible_prefader_processors),
2593                                                &_visible_prefader_processors, &fader_seen));
2594
2595         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
2596         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
2597         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
2598
2599         setup_entry_positions ();
2600 }
2601
2602 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
2603  *  not already have one.
2604  */
2605 void
2606 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
2607 {
2608         boost::shared_ptr<Processor> p = w.lock ();
2609         if (!p) {
2610                 return;
2611         }
2612         if (p->window_proxy()) {
2613                 return;
2614         }
2615
2616         /* not on the list; add it */
2617
2618         string loc;
2619 #if 0 // is this still needed? Why?
2620         if (_parent_strip) {
2621                 if (_parent_strip->mixer_owned()) {
2622                         loc = X_("M");
2623                 } else {
2624                         loc = X_("R");
2625                 }
2626         } else {
2627                 loc = X_("P");
2628         }
2629 #else
2630         loc = X_("P");
2631 #endif
2632
2633         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
2634                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
2635                 this,
2636                 w);
2637
2638         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2639
2640         if (ui_xml) {
2641                 wp->set_state (*ui_xml, 0);
2642         }
2643
2644         void* existing_ui = p->get_ui ();
2645
2646         if (existing_ui) {
2647                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
2648         }
2649
2650         p->set_window_proxy (wp);
2651         WM::Manager::instance().register_window (wp);
2652 }
2653
2654 void
2655 ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
2656 {
2657         boost::shared_ptr<Processor> p = w.lock ();
2658         if (!p || p->pinmgr_proxy ()) {
2659                 return;
2660         }
2661
2662         PluginPinWindowProxy* wp = new PluginPinWindowProxy (
2663                         string_compose ("PM-%2-%3", _route->id(), p->id()), w);
2664         wp->set_session (_session);
2665
2666         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2667         if (ui_xml) {
2668                 wp->set_state (*ui_xml, 0);
2669         }
2670
2671         p->set_pingmgr_proxy (wp);
2672         WM::Manager::instance().register_window (wp);
2673 }
2674 void
2675 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
2676 {
2677         boost::shared_ptr<Processor> processor (p.lock ());
2678
2679         if (processor && ( processor->display_to_user()
2680 #ifndef NDEBUG
2681                             || show_all_processors
2682 #endif
2683                          )
2684            ) {
2685
2686                 if (boost::dynamic_pointer_cast<Amp>(processor) &&
2687                     boost::dynamic_pointer_cast<Amp>(processor)->gain_control()->parameter().type() == GainAutomation) {
2688                         *amp_seen = true;
2689                 } else {
2690                         if (!*amp_seen) {
2691                                 (*cnt)++;
2692                         }
2693                 }
2694         }
2695 }
2696
2697 void
2698 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
2699 {
2700         boost::shared_ptr<Processor> processor (p.lock ());
2701
2702         if (!processor || ( !processor->display_to_user()
2703 #ifndef NDEBUG
2704                             && !show_all_processors
2705 #endif
2706                           )
2707            ) {
2708                 return;
2709         }
2710
2711         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
2712
2713         ProcessorEntry* e = 0;
2714         if (plugin_insert) {
2715                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
2716         } else {
2717                 e = new ProcessorEntry (this, processor, _width);
2718         }
2719
2720         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2721         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
2722         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
2723
2724         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
2725         if (!send && !plugin_insert && !ext && !stub)
2726                 e->set_selectable(false);
2727
2728         bool mark_send_visible = false;
2729         if (send && _parent_strip) {
2730                 /* show controls of new sends by default */
2731                 GUIObjectState& st = _parent_strip->gui_object_state ();
2732                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2733                 assert (strip);
2734                 /* check if state exists, if not it must be a new send */
2735                 if (!st.get_node(strip, e->state_id())) {
2736                         mark_send_visible = true;
2737                 }
2738         }
2739
2740         /* Set up this entry's state from the GUIObjectState */
2741         XMLNode* proc = entry_gui_object_state (e);
2742         if (proc) {
2743                 e->set_control_state (proc);
2744         }
2745
2746         if (mark_send_visible) {
2747                 e->show_all_controls ();
2748         }
2749
2750         if (plugin_insert
2751 #ifdef MIXBUS
2752                         && !plugin_insert->plugin(0)->is_channelstrip()
2753 #endif
2754                  )
2755         {
2756                 processor_display.add_child (e, drag_targets());
2757         } else {
2758                 processor_display.add_child (e, drag_targets_noplugin());
2759         }
2760 }
2761
2762 void
2763 ProcessorBox::reordered ()
2764 {
2765         compute_processor_sort_keys ();
2766         setup_entry_positions ();
2767 }
2768
2769 void
2770 ProcessorBox::setup_routing_feeds ()
2771 {
2772         list<ProcessorEntry*> children = processor_display.children ();
2773         /* first set the i/o maps for every processor */
2774         list<ProcessorEntry*>::iterator prev = children.begin();
2775
2776         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2777                 boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
2778                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
2779
2780                 list<ProcessorEntry*>::iterator next = i;
2781                 next++;
2782
2783                 if (pi) {
2784                         ChanCount sinks = pi->natural_input_streams ();
2785                         ChanCount sources = pi->natural_output_streams ();
2786                         uint32_t count = pi->get_count ();
2787                         ChanCount in, out;
2788                         pi->configured_io (in, out);
2789
2790                         ChanCount midi_thru;
2791                         ChanCount midi_bypass;
2792                         ChanMapping input_map (pi->input_map ());
2793                         if (pi->has_midi_thru ()) {
2794                                  midi_thru.set(DataType::MIDI, 1);
2795                                  input_map.set (DataType::MIDI, 0, 0);
2796                         }
2797                         if (pi->has_midi_bypass ()) {
2798                                  midi_bypass.set(DataType::MIDI, 1);
2799                         }
2800
2801                         (*i)->input_icon.set_ports (sinks * count + midi_thru);
2802                         (*i)->output_icon.set_ports (sources * count + midi_bypass);
2803
2804                         (*i)->routing_icon.set (
2805                                         in, out,
2806                                         sinks * count + midi_thru,
2807                                         sources * count + midi_bypass,
2808                                         input_map,
2809                                         pi->output_map (),
2810                                         pi->thru_map ());
2811
2812                         if (next != children.end()) {
2813                                 (*next)->routing_icon.set_fed_by (out, sources * count + midi_bypass,
2814                                                 pi->output_map (), pi->thru_map ());
2815                         }
2816
2817                         if (prev != i) {
2818                                 (*prev)->routing_icon.set_feeding (in, sinks * count + midi_thru,
2819                                                 pi->input_map (), pi->thru_map ());
2820                         }
2821
2822                 } else {
2823                         (*i)->input_icon.set_ports (p->input_streams());
2824                         (*i)->output_icon.set_ports (p->output_streams());
2825                         ChanMapping inmap (p->input_streams ());
2826                         ChanMapping outmap (p->input_streams ());
2827                         ChanMapping thrumap;
2828                         (*i)->routing_icon.set (
2829                                         p->input_streams(),
2830                                         p->output_streams(),
2831                                         p->input_streams(),
2832                                         p->output_streams(),
2833                                         inmap, outmap, thrumap);
2834
2835                         if (next != children.end()) {
2836                                 (*next)->routing_icon.set_fed_by (
2837                                                 p->output_streams(),
2838                                                 p->output_streams(),
2839                                                 outmap, thrumap);
2840                         }
2841                         if (prev != i) {
2842                                 (*prev)->routing_icon.set_feeding (
2843                                                 p->input_streams(),
2844                                                 p->output_streams(),
2845                                                 inmap, thrumap);
2846                         }
2847                 }
2848
2849                 if (i == children.begin()) {
2850                         (*i)->routing_icon.unset_fed_by ();
2851                 }
2852                 prev = i;
2853                 (*i)->input_icon.hide();
2854         }
2855
2856         /* now set which icons need to be displayed */
2857         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2858                 (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
2859
2860                 if ((*i)->routing_icon.in_identity ()) {
2861                         (*i)->routing_icon.hide();
2862                         if (i == children.begin()) {
2863                                 (*i)->input_icon.show();
2864                         }
2865                 } else {
2866                         (*i)->routing_icon.show();
2867                         (*i)->routing_icon.queue_draw();
2868                         (*i)->input_icon.show();
2869                 }
2870
2871                 list<ProcessorEntry*>::iterator next = i;
2872                 if (++next == children.end()) {
2873                         // last processor in the chain
2874                         (*i)->output_routing_icon.set_terminal(true);
2875                         (*i)->output_routing_icon.unset_feeding ();
2876                         if ((*i)->routing_icon.out_identity ()) {
2877                                 (*i)->output_routing_icon.hide();
2878                         } else {
2879                                 (*i)->output_routing_icon.show();
2880                                 (*i)->output_routing_icon.queue_draw();
2881                         }
2882                 } else {
2883                         (*i)->output_routing_icon.set_terminal(false);
2884                         if (!(*i)->routing_icon.out_identity ()
2885                                         && !(*i)->routing_icon.in_identity ()
2886                                         && (*i)->routing_icon.can_coalesce ()) {
2887                                 (*i)->output_routing_icon.hide();
2888                         } else if (!(*i)->routing_icon.out_identity ()) {
2889                                 (*i)->output_routing_icon.show();
2890                                 (*i)->output_routing_icon.queue_draw();
2891                                 (*next)->input_icon.show();
2892                         } else {
2893                                 (*i)->output_routing_icon.hide();
2894                         }
2895                 }
2896         }
2897 }
2898
2899 void
2900 ProcessorBox::setup_entry_positions ()
2901 {
2902         list<ProcessorEntry*> children = processor_display.children ();
2903         bool pre_fader = true;
2904
2905         uint32_t num = 0;
2906         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2907                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor()) &&
2908                     boost::dynamic_pointer_cast<Amp>((*i)->processor())->gain_control()->parameter().type() == GainAutomation) {
2909                         pre_fader = false;
2910                         (*i)->set_position (ProcessorEntry::Fader, num++);
2911                 } else {
2912                         if (pre_fader) {
2913                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
2914                         } else {
2915                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
2916                         }
2917                 }
2918         }
2919         setup_routing_feeds ();
2920 }
2921
2922 void
2923 ProcessorBox::compute_processor_sort_keys ()
2924 {
2925         list<ProcessorEntry*> children = processor_display.children ();
2926         Route::ProcessorList our_processors;
2927
2928         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2929                 if ((*i)->processor()) {
2930                         our_processors.push_back ((*i)->processor ());
2931                 }
2932         }
2933
2934         if (_route->reorder_processors (our_processors)) {
2935                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
2936                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
2937                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
2938                    when the drag is torn down after this handler function is finished.
2939                 */
2940                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
2941         }
2942 }
2943
2944 void
2945 ProcessorBox::report_failed_reorder ()
2946 {
2947         /* reorder failed, so redisplay */
2948
2949         redisplay_processors ();
2950
2951         /* now tell them about the problem */
2952
2953         ArdourDialog dialog (_("Plugin Incompatibility"));
2954         Label label;
2955
2956         label.set_text (_("\
2957 You cannot reorder these plugins/sends/inserts\n\
2958 in that way because the inputs and\n\
2959 outputs will not work correctly."));
2960
2961         dialog.get_vbox()->set_border_width (12);
2962         dialog.get_vbox()->pack_start (label);
2963         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2964
2965         dialog.set_name (X_("PluginIODialog"));
2966         dialog.set_modal (true);
2967         dialog.show_all ();
2968
2969         dialog.run ();
2970 }
2971
2972 void
2973 ProcessorBox::rename_processors ()
2974 {
2975         ProcSelection to_be_renamed;
2976
2977         get_selected_processors (to_be_renamed);
2978
2979         if (to_be_renamed.empty()) {
2980                 return;
2981         }
2982
2983         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
2984                 rename_processor (*i);
2985         }
2986 }
2987
2988 bool
2989 ProcessorBox::can_cut () const
2990 {
2991         vector<boost::shared_ptr<Processor> > sel;
2992
2993         get_selected_processors (sel);
2994
2995         /* cut_processors () does not cut inserts */
2996
2997         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
2998
2999                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3000                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3001                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3002                         return true;
3003                 }
3004         }
3005
3006         return false;
3007 }
3008
3009 bool
3010 ProcessorBox::stub_processor_selected () const
3011 {
3012         vector<boost::shared_ptr<Processor> > sel;
3013
3014         get_selected_processors (sel);
3015
3016         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3017                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
3018                         return true;
3019                 }
3020         }
3021
3022         return false;
3023 }
3024
3025 void
3026 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
3027 {
3028         if (to_be_removed.empty()) {
3029                 return;
3030         }
3031
3032         XMLNode* node = new XMLNode (X_("cut"));
3033         Route::ProcessorList to_cut;
3034
3035         no_processor_redisplay = true;
3036         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
3037                 // Cut only plugins, sends and returns
3038                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3039                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3040                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3041
3042                         Window* w = get_processor_ui (*i);
3043
3044                         if (w) {
3045                                 w->hide ();
3046                         }
3047
3048                         XMLNode& child ((*i)->get_state());
3049                         node->add_child_nocopy (child);
3050                         to_cut.push_back (*i);
3051                 }
3052         }
3053
3054         if (_route->remove_processors (to_cut) != 0) {
3055                 delete node;
3056                 no_processor_redisplay = false;
3057                 return;
3058         }
3059
3060         _rr_selection.set (node);
3061
3062         no_processor_redisplay = false;
3063         redisplay_processors ();
3064 }
3065
3066 void
3067 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
3068 {
3069         if (to_be_copied.empty()) {
3070                 return;
3071         }
3072
3073         XMLNode* node = new XMLNode (X_("copy"));
3074
3075         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
3076                 // Copy only plugins, sends, returns
3077                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3078                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3079                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3080                         node->add_child_nocopy ((*i)->get_state());
3081                 }
3082         }
3083
3084         _rr_selection.set (node);
3085 }
3086
3087 void
3088 ProcessorBox::delete_processors (const ProcSelection& targets)
3089 {
3090         if (targets.empty()) {
3091                 return;
3092         }
3093
3094         no_processor_redisplay = true;
3095
3096         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
3097
3098                 Window* w = get_processor_ui (*i);
3099
3100                 if (w) {
3101                         w->hide ();
3102                 }
3103
3104                 _route->remove_processor(*i);
3105         }
3106
3107         no_processor_redisplay = false;
3108         redisplay_processors ();
3109 }
3110
3111 void
3112 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
3113 {
3114         list<boost::shared_ptr<Processor> >::const_iterator x;
3115
3116         no_processor_redisplay = true;
3117         for (x = procs.begin(); x != procs.end(); ++x) {
3118
3119                 Window* w = get_processor_ui (*x);
3120
3121                 if (w) {
3122                         w->hide ();
3123                 }
3124
3125                 _route->remove_processor(*x);
3126         }
3127
3128         no_processor_redisplay = false;
3129         redisplay_processors ();
3130 }
3131
3132 gint
3133 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
3134 {
3135         boost::shared_ptr<Processor> processor (weak_processor.lock());
3136
3137         if (!processor) {
3138                 return false;
3139         }
3140
3141         /* NOT copied to _mixer.selection() */
3142
3143         no_processor_redisplay = true;
3144         _route->remove_processor (processor);
3145         no_processor_redisplay = false;
3146         redisplay_processors ();
3147
3148         return false;
3149 }
3150
3151 void
3152 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
3153 {
3154         ArdourPrompter name_prompter (true);
3155         string result;
3156         name_prompter.set_title (_("Rename Processor"));
3157         name_prompter.set_prompt (_("New name:"));
3158         name_prompter.set_initial_text (processor->name());
3159         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
3160         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
3161         name_prompter.show_all ();
3162
3163         switch (name_prompter.run ()) {
3164
3165         case Gtk::RESPONSE_ACCEPT:
3166                 name_prompter.get_result (result);
3167                 if (result.length()) {
3168
3169                        int tries = 0;
3170                        string test = result;
3171
3172                        while (tries < 100) {
3173                                if (_session->io_name_is_legal (test)) {
3174                                        result = test;
3175                                        break;
3176                                }
3177                                tries++;
3178
3179                                test = string_compose ("%1-%2", result, tries);
3180                        }
3181
3182                        if (tries < 100) {
3183                                processor->set_name (result);
3184                        } else {
3185                                /* unlikely! */
3186                                ARDOUR_UI::instance()->popup_error
3187                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
3188                        }
3189                 }
3190                 break;
3191         }
3192
3193         return;
3194 }
3195
3196 void
3197 ProcessorBox::paste_processors ()
3198 {
3199         if (_rr_selection.processors.empty()) {
3200                 return;
3201         }
3202
3203         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
3204 }
3205
3206 void
3207 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
3208 {
3209
3210         if (_rr_selection.processors.empty()) {
3211                 return;
3212         }
3213
3214         paste_processor_state (_rr_selection.processors.get_node().children(), before);
3215 }
3216
3217 void
3218 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
3219 {
3220         XMLNodeConstIterator niter;
3221         list<boost::shared_ptr<Processor> > copies;
3222
3223         if (nlist.empty()) {
3224                 return;
3225         }
3226
3227         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
3228
3229                 XMLProperty const * type = (*niter)->property ("type");
3230                 XMLProperty const * role = (*niter)->property ("role");
3231                 assert (type);
3232
3233                 boost::shared_ptr<Processor> p;
3234                 try {
3235                         if (type->value() == "meter" ||
3236                             type->value() == "main-outs" ||
3237                             type->value() == "amp" ||
3238                             type->value() == "intreturn") {
3239                                 /* do not paste meter, main outs, amp or internal returns */
3240                                 continue;
3241
3242                         } else if (type->value() == "intsend") {
3243
3244                                 /* aux sends are OK, but those used for
3245                                  * other purposes, are not.
3246                                  */
3247
3248                                 assert (role);
3249
3250                                 if (role->value() != "Aux") {
3251                                         continue;
3252                                 }
3253
3254                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3255                                 XMLNode n (**niter);
3256                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
3257                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
3258
3259                                 IOProcessor::prepare_for_reset (n, s->name());
3260
3261                                 if (s->set_state (n, Stateful::loading_state_version)) {
3262                                         delete s;
3263                                         return;
3264                                 }
3265
3266                                 p.reset (s);
3267
3268                         } else if (type->value() == "send") {
3269
3270                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3271                                 XMLNode n (**niter);
3272
3273                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
3274
3275                                 IOProcessor::prepare_for_reset (n, s->name());
3276
3277                                 if (s->set_state (n, Stateful::loading_state_version)) {
3278                                         delete s;
3279                                         return;
3280                                 }
3281
3282                                 p.reset (s);
3283
3284                         } else if (type->value() == "return") {
3285
3286                                 XMLNode n (**niter);
3287                                 Return* r = new Return (*_session);
3288
3289                                 IOProcessor::prepare_for_reset (n, r->name());
3290
3291                                 if (r->set_state (n, Stateful::loading_state_version)) {
3292                                         delete r;
3293                                         return;
3294                                 }
3295
3296                                 p.reset (r);
3297
3298                         } else if (type->value() == "port") {
3299
3300                                 XMLNode n (**niter);
3301                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
3302
3303                                 IOProcessor::prepare_for_reset (n, pi->name());
3304
3305                                 if (pi->set_state (n, Stateful::loading_state_version)) {
3306                                         return;
3307                                 }
3308
3309                                 p.reset (pi);
3310                         } else {
3311                                 /* XXX its a bit limiting to assume that everything else
3312                                    is a plugin.
3313                                 */
3314                                 p.reset (new PluginInsert (*_session));
3315                                 /* we can't use RAII Stateful::ForceIDRegeneration
3316                                  * because that'd void copying the state and wrongly bump
3317                                  * the state-version counter.
3318                                  * we need to load the state (incl external files) first and
3319                                  * only then update the ID)
3320                                  */
3321                                 PBD::ID id = p->id();
3322                                 /* strip side-chain state (processor inside processor must be a side-chain)
3323                                  * otherwise we'll end up with duplicate ports-names.
3324                                  * (this needs a better solution which retains connections)
3325                                  * We really would want Stateful::ForceIDRegeneration here :(
3326                                  */
3327                                 XMLNode state (**niter);
3328                                 state.remove_nodes ("Processor");
3329
3330                                 p->set_state (state, Stateful::current_state_version);
3331                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
3332                         }
3333
3334                         copies.push_back (p);
3335                 }
3336
3337                 catch (...) {
3338                         error << _("plugin insert constructor failed") << endmsg;
3339                 }
3340         }
3341
3342         if (copies.empty()) {
3343                 return;
3344         }
3345
3346         if (_route->add_processors (copies, p)) {
3347
3348                 string msg = _(
3349                         "Copying the set of processors on the clipboard failed,\n\
3350 probably because the I/O configuration of the plugins\n\
3351 could not match the configuration of this track.");
3352                 MessageDialog am (msg);
3353                 am.run ();
3354         }
3355 }
3356
3357 void
3358 ProcessorBox::get_selected_processors (ProcSelection& processors) const
3359 {
3360         const list<ProcessorEntry*> selection = processor_display.selection ();
3361         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
3362                 processors.push_back ((*i)->processor ());
3363         }
3364 }
3365
3366 void
3367 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
3368 {
3369         list<ProcessorEntry*> selection = processor_display.selection ();
3370         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
3371                 (this->*method) ((*i)->processor ());
3372         }
3373 }
3374
3375 void
3376 ProcessorBox::all_visible_processors_active (bool state)
3377 {
3378         _route->all_visible_processors_active (state);
3379 }
3380
3381 void
3382 ProcessorBox::ab_plugins ()
3383 {
3384         _route->ab_plugins (ab_direction);
3385         ab_direction = !ab_direction;
3386 }
3387
3388
3389 void
3390 ProcessorBox::clear_processors ()
3391 {
3392         string prompt;
3393         vector<string> choices;
3394
3395         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
3396                                    "(this cannot be undone)"), _route->name());
3397
3398         choices.push_back (_("Cancel"));
3399         choices.push_back (_("Yes, remove them all"));
3400
3401         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3402
3403         if (prompter.run () == 1) {
3404                 _route->clear_processors (PreFader);
3405                 _route->clear_processors (PostFader);
3406         }
3407 }
3408
3409 void
3410 ProcessorBox::clear_processors (Placement p)
3411 {
3412         string prompt;
3413         vector<string> choices;
3414
3415         if (p == PreFader) {
3416                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
3417                                            "(this cannot be undone)"), _route->name());
3418         } else {
3419                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
3420                                            "(this cannot be undone)"), _route->name());
3421         }
3422
3423         choices.push_back (_("Cancel"));
3424         choices.push_back (_("Yes, remove them all"));
3425
3426         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3427
3428         if (prompter.run () == 1) {
3429                 _route->clear_processors (p);
3430         }
3431 }
3432
3433 bool
3434 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
3435 {
3436         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
3437         if (at && at->freeze_state() == AudioTrack::Frozen) {
3438                 return false;
3439         }
3440
3441         if (
3442                 boost::dynamic_pointer_cast<Send> (processor) ||
3443                 boost::dynamic_pointer_cast<Return> (processor) ||
3444                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
3445                 boost::dynamic_pointer_cast<PortInsert> (processor)
3446                 ) {
3447                 return true;
3448         }
3449
3450         return false;
3451 }
3452
3453 bool
3454 ProcessorBox::one_processor_can_be_edited ()
3455 {
3456         list<ProcessorEntry*> selection = processor_display.selection ();
3457         list<ProcessorEntry*>::iterator i = selection.begin();
3458         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
3459                 ++i;
3460         }
3461
3462         return (i != selection.end());
3463 }
3464
3465 Gtk::Window*
3466 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
3467 {
3468         boost::shared_ptr<Send> send;
3469         boost::shared_ptr<InternalSend> internal_send;
3470         boost::shared_ptr<Return> retrn;
3471         boost::shared_ptr<PluginInsert> plugin_insert;
3472         boost::shared_ptr<PortInsert> port_insert;
3473         Window* gidget = 0;
3474
3475         /* This method may or may not return a Window, but if it does not it
3476          * will modify the parent mixer strip appearance layout to allow
3477          * "editing" the @param processor that was passed in.
3478          *
3479          * So for example, if the processor is an Amp (gain), the parent strip
3480          * will be forced back into a model where the fader controls the main gain.
3481          * If the processor is a send, then we map the send controls onto the
3482          * strip.
3483          *
3484          * Plugins and others will return a window for control.
3485          */
3486
3487         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
3488
3489                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
3490                         return 0;
3491                 }
3492         }
3493
3494         if (boost::dynamic_pointer_cast<Amp> (processor) && boost::dynamic_pointer_cast<Amp> (processor)->gain_control()->parameter().type() == GainAutomation) {
3495
3496                 if (_parent_strip) {
3497                         _parent_strip->revert_to_default_display ();
3498                 }
3499
3500         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3501
3502                 if (!_session->engine().connected()) {
3503                         return 0;
3504                 }
3505
3506                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3507
3508                         gidget = new SendUIWindow (send, _session);
3509                 }
3510
3511         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
3512
3513                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
3514                         /* no GUI for these */
3515                         return 0;
3516                 }
3517
3518                 if (!_session->engine().connected()) {
3519                         return 0;
3520                 }
3521
3522                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
3523
3524                 ReturnUIWindow *return_ui;
3525                 Window* w = get_processor_ui (retrn);
3526
3527                 if (w == 0) {
3528
3529                         return_ui = new ReturnUIWindow (retrn, _session);
3530                         return_ui->set_title (retrn->name ());
3531                         set_processor_ui (send, return_ui);
3532
3533                 } else {
3534                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
3535                 }
3536
3537                 gidget = return_ui;
3538
3539         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3540
3541                 PluginUIWindow *plugin_ui;
3542
3543                 /* these are both allowed to be null */
3544
3545                 Window* w = get_processor_ui (plugin_insert);
3546
3547                 if (w == 0) {
3548                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
3549                         plugin_ui->set_title (generate_processor_title (plugin_insert));
3550                         set_processor_ui (plugin_insert, plugin_ui);
3551
3552                 } else {
3553                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
3554                 }
3555
3556                 gidget = plugin_ui;
3557
3558         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
3559
3560                 if (!_session->engine().connected()) {
3561                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
3562                         msg.run ();
3563                         return 0;
3564                 }
3565
3566                 PortInsertWindow *io_selector;
3567
3568                 Window* w = get_processor_ui (port_insert);
3569
3570                 if (w == 0) {
3571                         io_selector = new PortInsertWindow (_session, port_insert);
3572                         set_processor_ui (port_insert, io_selector);
3573
3574                 } else {
3575                         io_selector = dynamic_cast<PortInsertWindow *> (w);
3576                 }
3577
3578                 gidget = io_selector;
3579         }
3580
3581         return gidget;
3582 }
3583
3584 Gtk::Window*
3585 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
3586 {
3587         boost::shared_ptr<PluginInsert> plugin_insert
3588                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
3589
3590         if (!plugin_insert) {
3591                 return 0;
3592         }
3593
3594         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
3595         win->set_title (generate_processor_title (plugin_insert));
3596
3597         return win;
3598 }
3599
3600 void
3601 ProcessorBox::register_actions ()
3602 {
3603         processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
3604
3605         Glib::RefPtr<Action> act;
3606
3607         /* new stuff */
3608         myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
3609                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
3610
3611         act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
3612                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
3613         ActionManager::engine_sensitive_actions.push_back (act);
3614         act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
3615                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
3616         ActionManager::engine_sensitive_actions.push_back (act);
3617
3618         myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
3619
3620         myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
3621         myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
3622
3623         myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
3624                         sigc::ptr_fun (ProcessorBox::rb_clear));
3625         myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
3626                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
3627         myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
3628                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
3629
3630         /* standard editing stuff */
3631
3632         cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
3633                                                             sigc::ptr_fun (ProcessorBox::rb_cut));
3634         copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
3635                                                              sigc::ptr_fun (ProcessorBox::rb_copy));
3636         delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
3637                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3638
3639         ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
3640         ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
3641         ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
3642
3643         paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
3644                         sigc::ptr_fun (ProcessorBox::rb_paste));
3645         rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
3646                         sigc::ptr_fun (ProcessorBox::rb_rename));
3647         myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
3648                         sigc::ptr_fun (ProcessorBox::rb_select_all));
3649         myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
3650                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
3651
3652         /* activation etc. */
3653
3654         myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
3655                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
3656         myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
3657                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
3658         myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
3659                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
3660
3661         manage_pins_action = myactions.register_action (
3662                 processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
3663                 sigc::ptr_fun (ProcessorBox::rb_manage_pins));
3664
3665         /* show editors */
3666         edit_action = myactions.register_action (
3667                 processor_box_actions, X_("edit"), _("Edit..."),
3668                 sigc::ptr_fun (ProcessorBox::rb_edit));
3669
3670         edit_generic_action = myactions.register_action (
3671                 processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
3672                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
3673
3674         load_bindings ();
3675 }
3676
3677 void
3678 ProcessorBox::rb_edit_generic ()
3679 {
3680         if (_current_processor_box == 0) {
3681                 return;
3682         }
3683
3684         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
3685 }
3686
3687 void
3688 ProcessorBox::rb_ab_plugins ()
3689 {
3690         if (_current_processor_box == 0) {
3691                 return;
3692         }
3693
3694         _current_processor_box->ab_plugins ();
3695 }
3696
3697 void
3698 ProcessorBox::rb_manage_pins ()
3699 {
3700         if (_current_processor_box == 0) {
3701                 return;
3702         }
3703
3704         _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
3705 }
3706 void
3707 ProcessorBox::rb_choose_plugin ()
3708 {
3709         if (_current_processor_box == 0) {
3710                 return;
3711         }
3712         _current_processor_box->choose_plugin ();
3713 }
3714
3715 void
3716 ProcessorBox::rb_choose_insert ()
3717 {
3718         if (_current_processor_box == 0) {
3719                 return;
3720         }
3721         _current_processor_box->choose_insert ();
3722 }
3723
3724 void
3725 ProcessorBox::rb_choose_send ()
3726 {
3727         if (_current_processor_box == 0) {
3728                 return;
3729         }
3730         _current_processor_box->choose_send ();
3731 }
3732
3733 void
3734 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
3735 {
3736         if (_current_processor_box == 0) {
3737                 return;
3738         }
3739
3740         _current_processor_box->choose_aux (wr);
3741 }
3742
3743 void
3744 ProcessorBox::rb_clear ()
3745 {
3746         if (_current_processor_box == 0) {
3747                 return;
3748         }
3749
3750         _current_processor_box->clear_processors ();
3751 }
3752
3753
3754 void
3755 ProcessorBox::rb_clear_pre ()
3756 {
3757         if (_current_processor_box == 0) {
3758                 return;
3759         }
3760
3761         _current_processor_box->clear_processors (PreFader);
3762 }
3763
3764
3765 void
3766 ProcessorBox::rb_clear_post ()
3767 {
3768         if (_current_processor_box == 0) {
3769                 return;
3770         }
3771
3772         _current_processor_box->clear_processors (PostFader);
3773 }
3774
3775 void
3776 ProcessorBox::rb_cut ()
3777 {
3778         if (_current_processor_box == 0) {
3779                 return;
3780         }
3781
3782         _current_processor_box->processor_operation (ProcessorsCut);
3783 }
3784
3785 void
3786 ProcessorBox::rb_delete ()
3787 {
3788         if (_current_processor_box == 0) {
3789                 return;
3790         }
3791
3792         _current_processor_box->processor_operation (ProcessorsDelete);
3793 }
3794
3795 void
3796 ProcessorBox::rb_copy ()
3797 {
3798         if (_current_processor_box == 0) {
3799                 return;
3800         }
3801         _current_processor_box->processor_operation (ProcessorsCopy);
3802 }
3803
3804 void
3805 ProcessorBox::rb_paste ()
3806 {
3807         if (_current_processor_box == 0) {
3808                 return;
3809         }
3810
3811         _current_processor_box->processor_operation (ProcessorsPaste);
3812 }
3813
3814 void
3815 ProcessorBox::rb_rename ()
3816 {
3817         if (_current_processor_box == 0) {
3818                 return;
3819         }
3820         _current_processor_box->rename_processors ();
3821 }
3822
3823 void
3824 ProcessorBox::rb_select_all ()
3825 {
3826         if (_current_processor_box == 0) {
3827                 return;
3828         }
3829
3830         _current_processor_box->processor_operation (ProcessorsSelectAll);
3831 }
3832
3833 void
3834 ProcessorBox::rb_deselect_all ()
3835 {
3836         if (_current_processor_box == 0) {
3837                 return;
3838         }
3839
3840         _current_processor_box->deselect_all_processors ();
3841 }
3842
3843 void
3844 ProcessorBox::rb_activate_all ()
3845 {
3846         if (_current_processor_box == 0) {
3847                 return;
3848         }
3849
3850         _current_processor_box->all_visible_processors_active (true);
3851 }
3852
3853 void
3854 ProcessorBox::rb_deactivate_all ()
3855 {
3856         if (_current_processor_box == 0) {
3857                 return;
3858         }
3859         _current_processor_box->all_visible_processors_active (false);
3860 }
3861
3862 void
3863 ProcessorBox::rb_edit ()
3864 {
3865         if (_current_processor_box == 0) {
3866                 return;
3867         }
3868
3869         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
3870 }
3871
3872 bool
3873 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
3874 {
3875         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3876                 return false;
3877         }
3878
3879         if (_parent_strip) {
3880                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
3881                 if (_parent_strip->current_delivery() == send) {
3882                         _parent_strip->revert_to_default_display ();
3883                 } else {
3884                         _parent_strip->show_send(send);
3885                 }
3886         }
3887         return true;
3888 }
3889
3890 void
3891 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
3892 {
3893         if (!processor) {
3894                 return;
3895         }
3896         if (edit_aux_send (processor)) {
3897                 return;
3898         }
3899
3900         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3901
3902         if (proxy) {
3903                 proxy->set_custom_ui_mode (true);
3904                 proxy->show_the_right_window ();
3905         }
3906 }
3907
3908 void
3909 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
3910 {
3911         if (!processor) {
3912                 return;
3913         }
3914         if (edit_aux_send (processor)) {
3915                 return;
3916         }
3917
3918         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3919
3920         if (proxy) {
3921                 proxy->set_custom_ui_mode (false);
3922                 proxy->show_the_right_window ();
3923         }
3924 }
3925
3926 void
3927 ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
3928 {
3929         if (!processor) {
3930                 return;
3931         }
3932         PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
3933         if (proxy) {
3934                 proxy->get (true);
3935                 proxy->present();
3936         }
3937 }
3938
3939
3940 void
3941 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
3942 {
3943         if (!what_changed.contains (ARDOUR::Properties::name)) {
3944                 return;
3945         }
3946
3947         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
3948
3949         boost::shared_ptr<Processor> processor;
3950         boost::shared_ptr<PluginInsert> plugin_insert;
3951         boost::shared_ptr<Send> send;
3952
3953         list<ProcessorEntry*> children = processor_display.children();
3954
3955         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
3956
3957                 processor = (*iter)->processor ();
3958
3959                 if (!processor) {
3960                         continue;
3961                 }
3962
3963                 Window* w = get_processor_ui (processor);
3964
3965                 if (!w) {
3966                         continue;
3967                 }
3968
3969                 /* rename editor windows for sends and plugins */
3970
3971                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3972                         w->set_title (send->name ());
3973                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3974                         w->set_title (generate_processor_title (plugin_insert));
3975                 }
3976         }
3977 }
3978
3979 string
3980 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
3981 {
3982         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
3983         string::size_type email_pos;
3984
3985         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
3986                 maker = maker.substr (0, email_pos - 1);
3987         }
3988
3989         if (maker.length() > 32) {
3990                 maker = maker.substr (0, 32);
3991                 maker += " ...";
3992         }
3993
3994         SessionObject* owner = pi->owner();
3995
3996         if (owner) {
3997                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
3998         } else {
3999                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
4000         }
4001 }
4002
4003 /** @param p Processor.
4004  *  @return the UI window for \a p.
4005  */
4006 Window *
4007 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
4008 {
4009         ProcessorWindowProxy* wp = p->window_proxy();
4010         if (wp) {
4011                 return wp->get ();
4012         }
4013         return 0;
4014 }
4015
4016 /** Make a note of the UI window that a processor is using.
4017  *  @param p Processor.
4018  *  @param w UI window.
4019  */
4020 void
4021 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
4022 {
4023         assert (p->window_proxy());
4024         p->set_ui (w);
4025         p->window_proxy()->use_window (*w);
4026 }
4027
4028 void
4029 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
4030 {
4031         boost::shared_ptr<Delivery> d = w.lock ();
4032         if (!d) {
4033                 return;
4034         }
4035
4036         list<ProcessorEntry*> children = processor_display.children ();
4037         list<ProcessorEntry*>::const_iterator i = children.begin();
4038         while (i != children.end() && (*i)->processor() != d) {
4039                 ++i;
4040         }
4041
4042         if (i == children.end()) {
4043                 processor_display.set_active (0);
4044         } else {
4045                 processor_display.set_active (*i);
4046         }
4047 }
4048
4049 /** Called to repair the damage of Editor::show_window doing a show_all() */
4050 void
4051 ProcessorBox::hide_things ()
4052 {
4053         list<ProcessorEntry*> c = processor_display.children ();
4054         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
4055                 (*i)->hide_things ();
4056         }
4057 }
4058
4059 void
4060 ProcessorBox::processor_menu_unmapped ()
4061 {
4062         processor_display.remove_placeholder ();
4063         /* make all possibly-desensitized actions sensitive again so that
4064            they be activated by other means (e.g. bindings)
4065         */
4066         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
4067 }
4068
4069 XMLNode *
4070 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
4071 {
4072         if (!_parent_strip) {
4073                 return 0;
4074         }
4075
4076         GUIObjectState& st = _parent_strip->gui_object_state ();
4077
4078         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
4079         assert (strip);
4080         return st.get_or_add_node (strip, entry->state_id());
4081 }
4082
4083 void
4084 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
4085 {
4086         XMLNode* proc = entry_gui_object_state (entry);
4087         if (!proc) {
4088                 return;
4089         }
4090
4091         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
4092         proc->remove_nodes_and_delete (X_("Object"));
4093         entry->add_control_state (proc);
4094 }
4095
4096 bool
4097 ProcessorBox::is_editor_mixer_strip() const
4098 {
4099         return _parent_strip && !_parent_strip->mixer_owned();
4100 }
4101
4102 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
4103         : WM::ProxyBase (name, string())
4104         , _processor_box (box)
4105         , _processor (processor)
4106         , is_custom (false)
4107         , want_custom (false)
4108 {
4109         boost::shared_ptr<Processor> p = _processor.lock ();
4110         if (!p) {
4111                 return;
4112         }
4113         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
4114 }
4115
4116 ProcessorWindowProxy::~ProcessorWindowProxy()
4117 {
4118         /* processor window proxies do not own the windows they create with
4119          * ::get(), so set _window to null before the normal WindowProxy method
4120          * deletes it.
4121          */
4122         _window = 0;
4123 }
4124
4125 void
4126 ProcessorWindowProxy::processor_going_away ()
4127 {
4128         delete _window;
4129         _window = 0;
4130         WM::Manager::instance().remove (this);
4131         /* should be no real reason to do this, since the object that would
4132            send DropReferences is about to be deleted, but lets do it anyway.
4133         */
4134         going_away_connection.disconnect();
4135 }
4136
4137 ARDOUR::SessionHandlePtr*
4138 ProcessorWindowProxy::session_handle()
4139 {
4140         /* we don't care */
4141         return 0;
4142 }
4143
4144 XMLNode&
4145 ProcessorWindowProxy::get_state ()
4146 {
4147         XMLNode *node;
4148         node = &ProxyBase::get_state();
4149         node->add_property (X_("custom-ui"), is_custom? X_("yes") : X_("no"));
4150         return *node;
4151 }
4152
4153 int
4154 ProcessorWindowProxy::set_state (const XMLNode& node, int /*version*/)
4155 {
4156         XMLNodeList children = node.children ();
4157         XMLNodeList::const_iterator i = children.begin ();
4158         while (i != children.end()) {
4159                 XMLProperty const * prop = (*i)->property (X_("name"));
4160                 if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
4161                         break;
4162                 }
4163                 ++i;
4164         }
4165
4166         if (i != children.end()) {
4167                 XMLProperty const * prop;
4168                 if ((prop = (*i)->property (X_("custom-ui"))) != 0) {
4169                         want_custom = PBD::string_is_affirmative (prop->value ());
4170                 }
4171         }
4172
4173         return ProxyBase::set_state (node, 0);
4174 }
4175
4176 Gtk::Window*
4177 ProcessorWindowProxy::get (bool create)
4178 {
4179         boost::shared_ptr<Processor> p = _processor.lock ();
4180
4181         if (!p) {
4182                 return 0;
4183         }
4184         if (_window && (is_custom != want_custom)) {
4185                 /* drop existing window - wrong type */
4186                 drop_window ();
4187         }
4188
4189         if (!_window) {
4190                 if (!create) {
4191                         return 0;
4192                 }
4193
4194                 is_custom = want_custom;
4195                 _window = _processor_box->get_editor_window (p, is_custom);
4196
4197                 if (_window) {
4198                         setup ();
4199                 }
4200                 _window->show_all ();
4201         }
4202         return _window;
4203 }
4204
4205 void
4206 ProcessorWindowProxy::show_the_right_window ()
4207 {
4208         if (_window && (is_custom != want_custom)) {
4209                 /* drop existing window - wrong type */
4210                 drop_window ();
4211                 get (true);
4212                 setup ();
4213                 assert (_window);
4214                 is_custom = want_custom;
4215         }
4216
4217         toggle ();
4218 }
4219
4220
4221 PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
4222         : WM::ProxyBase (name, string())
4223         , _processor (processor)
4224 {
4225         boost::shared_ptr<Processor> p = _processor.lock ();
4226         if (!p) {
4227                 return;
4228         }
4229         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
4230 }
4231
4232 PluginPinWindowProxy::~PluginPinWindowProxy()
4233 {
4234         _window = 0;
4235 }
4236
4237 ARDOUR::SessionHandlePtr*
4238 PluginPinWindowProxy::session_handle ()
4239 {
4240         ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4241         if (aw) { return aw; }
4242         return 0;
4243 }
4244
4245 Gtk::Window*
4246 PluginPinWindowProxy::get (bool create)
4247 {
4248         boost::shared_ptr<Processor> p = _processor.lock ();
4249         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
4250         if (!p || !pi) {
4251                 return 0;
4252         }
4253
4254         if (!_window) {
4255                 if (!create) {
4256                         return 0;
4257                 }
4258                 _window = new PluginPinDialog (pi);
4259                 ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4260                 if (aw) {
4261                         aw->set_session (_session);
4262                 }
4263                 _window->show_all ();
4264         }
4265         return _window;
4266 }
4267
4268 void
4269 PluginPinWindowProxy::processor_going_away ()
4270 {
4271         delete _window;
4272         _window = 0;
4273         WM::Manager::instance().remove (this);
4274         going_away_connection.disconnect();
4275 }
4276
4277 void
4278 ProcessorBox::load_bindings ()
4279 {
4280         bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
4281 }