gtk2_ardour/processor_box.cc

   1 /*
   2     Copyright (C) 2000-2004 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <cmath>
  25 #include <iostream>
  26 #include <set>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include "pbd/convert.h"
  31 #include "canvas/utils.h"
  32
  33 #include <glibmm/miscutils.h>
  34 #include <glibmm/fileutils.h>
  35
  36 #include <gtkmm/messagedialog.h>
  37
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/utils.h>
  40 #include <gtkmm2ext/choice.h>
  41 #include <gtkmm2ext/utils.h>
  42 #include <gtkmm2ext/doi.h>
  43 #include <gtkmm2ext/rgb_macros.h>
  44
  45 #include "ardour/amp.h"
  46 #include "ardour/audio_track.h"
  47 #include "ardour/audioengine.h"
  48 #include "ardour/internal_return.h"
  49 #include "ardour/internal_send.h"
  50 #include "ardour/luaproc.h"
  51 #include "ardour/luascripting.h"
  52 #include "ardour/meter.h"
  53 #include "ardour/panner_shell.h"
  54 #include "ardour/plugin_insert.h"
  55 #include "ardour/pannable.h"
  56 #include "ardour/port_insert.h"
  57 #include "ardour/profile.h"
  58 #include "ardour/return.h"
  59 #include "ardour/route.h"
  60 #include "ardour/send.h"
  61 #include "ardour/session.h"
  62 #include "ardour/types.h"
  63
  64 #include "LuaBridge/LuaBridge.h"
  65
  66 #include "actions.h"
  67 #include "ardour_dialog.h"
  68 #include "ardour_ui.h"
  69 #include "gui_thread.h"
  70 #include "io_selector.h"
  71 #include "keyboard.h"
  72 #include "luainstance.h"
  73 #include "mixer_ui.h"
  74 #include "mixer_strip.h"
  75 #include "plugin_pin_dialog.h"
  76 #include "plugin_selector.h"
  77 #include "plugin_ui.h"
  78 #include "port_insert_ui.h"
  79 #include "processor_box.h"
  80 #include "public_editor.h"
  81 #include "return_ui.h"
  82 #include "route_processor_selection.h"
  83 #include "script_selector.h"
  84 #include "send_ui.h"
  85 #include "timers.h"
  86 #include "tooltips.h"
  87 #include "new_plugin_preset_dialog.h"
  88
  89 #include "i18n.h"
  90
  91 #ifdef AUDIOUNIT_SUPPORT
  92 class AUPluginUI;
  93 #endif
  94
  95 #ifndef NDEBUG
  96 bool ProcessorBox::show_all_processors = false;
  97 #endif
  98
  99 using namespace std;
 100 using namespace ARDOUR;
 101 using namespace PBD;
 102 using namespace Gtk;
 103 using namespace Glib;
 104 using namespace Gtkmm2ext;
 105
 106 ProcessorBox*  ProcessorBox::_current_processor_box = 0;
 107 RefPtr<Action> ProcessorBox::paste_action;
 108 RefPtr<Action> ProcessorBox::cut_action;
 109 RefPtr<Action> ProcessorBox::copy_action;
 110 RefPtr<Action> ProcessorBox::rename_action;
 111 RefPtr<Action> ProcessorBox::delete_action;
 112 RefPtr<Action> ProcessorBox::manage_pins_action;
 113 RefPtr<Action> ProcessorBox::edit_action;
 114 RefPtr<Action> ProcessorBox::edit_generic_action;
 115 RefPtr<ActionGroup> ProcessorBox::processor_box_actions;
 116 Gtkmm2ext::ActionMap ProcessorBox::myactions (X_("processor box"));
 117 Gtkmm2ext::Bindings* ProcessorBox::bindings = 0;
 118
 119
 120 // TODO consolidate with PluginPinDialog::set_color
 121 static void set_routing_color (cairo_t* cr, bool midi)
 122 {
 123         static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
 124         static const uint32_t midi_port_color = 0x960909FF; //Red
 125
 126         if (midi) {
 127                 cairo_set_source_rgb (cr,
 128                                 UINT_RGBA_R_FLT(midi_port_color),
 129                                 UINT_RGBA_G_FLT(midi_port_color),
 130                                 UINT_RGBA_B_FLT(midi_port_color));
 131         } else {
 132                 cairo_set_source_rgb (cr,
 133                                 UINT_RGBA_R_FLT(audio_port_color),
 134                                 UINT_RGBA_G_FLT(audio_port_color),
 135                                 UINT_RGBA_B_FLT(audio_port_color));
 136         }
 137 }
 138
 139 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
 140         : _button (ArdourButton::led_default_elements)
 141         , _position (PreFader)
 142         , _position_num(0)
 143         , _parent (parent)
 144         , _selectable(true)
 145         , _unknown_processor(false)
 146         , _processor (p)
 147         , _width (w)
 148         , input_icon(true)
 149         , output_icon(false)
 150         , routing_icon(true)
 151         , output_routing_icon(false)
 152         , _plugin_display(0)
 153 {
 154         _vbox.show ();
 155
 156         _button.set_distinct_led_click (true);
 157         _button.set_fallthrough_to_parent(true);
 158         _button.set_led_left (true);
 159         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
 160         _button.set_text (name (_width));
 161
 162         if (boost::dynamic_pointer_cast<PeakMeter> (_processor)) {
 163                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
 164         }
 165         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 166                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
 167                 _unknown_processor = true;
 168         }
 169         {
 170                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 171                 if (pi && pi->plugin() && pi->plugin()->get_info()->type != ARDOUR::Lua) {
 172                         _plugin_preset_pointer = PluginPresetPtr (new PluginPreset (pi->plugin()->get_info()));
 173                 }
 174         }
 175         if (_processor) {
 176
 177                 _vbox.pack_start (routing_icon);
 178                 _vbox.pack_start (input_icon);
 179                 _vbox.pack_start (_button, true, true);
 180
 181                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 182                 if (pi && pi->plugin() && pi->plugin()->has_inline_display()) {
 183                         if (pi->plugin()->get_info()->type != ARDOUR::Lua) {
 184                                 _plugin_display = new PluginDisplay (pi->plugin(),
 185                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
 186                         } else {
 187                                 assert (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()));
 188                                 _plugin_display = new LuaPluginDisplay (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()),
 189                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
 190                         }
 191                         _vbox.pack_start (*_plugin_display);
 192                         _plugin_display->set_no_show_all (true);
 193                         if (UIConfiguration::instance().get_show_inline_display_by_default ()) {
 194                                 _plugin_display->show ();
 195                         }
 196                 }
 197                 _vbox.pack_end (output_routing_icon);
 198                 _vbox.pack_end (output_icon);
 199
 200                 _button.set_active (_processor->active());
 201
 202                 input_icon.set_no_show_all(true);
 203                 routing_icon.set_no_show_all(true);
 204                 output_icon.set_no_show_all(true);
 205                 output_routing_icon.set_no_show_all(true);
 206
 207                 _button.show ();
 208                 input_icon.hide();
 209                 output_icon.show();
 210                 routing_icon.hide();
 211                 output_routing_icon.hide();
 212
 213                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
 214                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
 215                 _processor->ConfigurationChanged.connect (config_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_configuration_changed, this, _1, _2), gui_context());
 216
 217                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
 218                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
 219
 220                         std::string label = _processor->describe_parameter (*i);
 221
 222                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
 223                                 label = _("Send");
 224                         } else if (boost::dynamic_pointer_cast<Return> (_processor)) {
 225                                 label = _("Return");
 226                         }
 227
 228                         Control* c = new Control (_processor->automation_control (*i), label);
 229
 230                         _controls.push_back (c);
 231
 232                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
 233                                 /* Add non-Amp (Fader & Trim) controls to the processor box */
 234                                 _vbox.pack_start (c->box);
 235                         }
 236                 }
 237
 238                 setup_tooltip ();
 239                 setup_visuals ();
 240         } else {
 241                 _vbox.set_size_request (-1, _button.size_request().height);
 242         }
 243 }
 244
 245 ProcessorEntry::~ProcessorEntry ()
 246 {
 247         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 248                 delete *i;
 249         }
 250         delete _plugin_display;
 251 }
 252
 253 EventBox&
 254 ProcessorEntry::action_widget ()
 255 {
 256         return _button;
 257 }
 258
 259 Gtk::Widget&
 260 ProcessorEntry::widget ()
 261 {
 262         return _vbox;
 263 }
 264
 265 string
 266 ProcessorEntry::drag_text () const
 267 {
 268         return name (Wide);
 269 }
 270
 271 bool
 272 ProcessorEntry::can_copy_state (Gtkmm2ext::DnDVBoxChild* o) const
 273 {
 274         ProcessorEntry *other = dynamic_cast<ProcessorEntry*> (o);
 275         if (!other) {
 276                 return false;
 277         }
 278         boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
 279         boost::shared_ptr<PluginInsert> my_pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 280         boost::shared_ptr<PluginInsert> ot_pi = boost::dynamic_pointer_cast<PluginInsert> (otherproc);
 281         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
 282                 return false;
 283         }
 284         if (boost::dynamic_pointer_cast<UnknownProcessor> (otherproc)) {
 285                 return false;
 286         }
 287         if (!my_pi || !ot_pi) {
 288                 return false;
 289         }
 290         if (my_pi->type() != ot_pi->type()) {
 291                 return false;
 292         }
 293         boost::shared_ptr<Plugin> my_p = my_pi->plugin();
 294         boost::shared_ptr<Plugin> ot_p = ot_pi->plugin();
 295         if (!my_p || !ot_p) {
 296                 return false;
 297         }
 298         if (my_p->unique_id() != ot_p->unique_id()) {
 299                 return false;
 300         }
 301         return true;
 302 }
 303
 304 bool
 305 ProcessorEntry::drag_data_get (Glib::RefPtr<Gdk::DragContext> const, Gtk::SelectionData &data)
 306 {
 307         if (data.get_target() == "PluginPresetPtr") {
 308                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
 309
 310                 if (!_plugin_preset_pointer || !pi) {
 311                         data.set (data.get_target(), 8, NULL, 0);
 312                         return true;
 313                 }
 314
 315                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin();
 316                 assert (plugin);
 317
 318                 PluginManager& manager (PluginManager::instance());
 319                 bool fav = manager.get_status (_plugin_preset_pointer->_pip) == PluginManager::Favorite;
 320
 321                 NewPluginPresetDialog d (plugin,
 322                                 string_compose(_("New Favorite Preset for \"%1\""),_plugin_preset_pointer->_pip->name), !fav);
 323
 324                 _plugin_preset_pointer->_preset.valid = false;
 325
 326                 switch (d.run ()) {
 327                         case Gtk::RESPONSE_CANCEL:
 328                                 data.set (data.get_target(), 8, NULL, 0);
 329                                 return true;
 330                                 break;
 331
 332                         case Gtk::RESPONSE_NO:
 333                                 break;
 334
 335                         case Gtk::RESPONSE_ACCEPT:
 336                                 if (d.name().empty()) {
 337                                         break;
 338                                 }
 339
 340                                 if (d.replace ()) {
 341                                         plugin->remove_preset (d.name ());
 342                                 }
 343
 344                                 Plugin::PresetRecord const r = plugin->save_preset (d.name());
 345
 346                                 if (!r.uri.empty ()) {
 347                                         _plugin_preset_pointer->_preset.uri   = r.uri;
 348                                         _plugin_preset_pointer->_preset.label = r.label;
 349                                         _plugin_preset_pointer->_preset.user  = r.user;
 350                                         _plugin_preset_pointer->_preset.valid = r.valid;
 351                                 }
 352                 }
 353                 data.set (data.get_target(), 8, (const guchar *) &_plugin_preset_pointer, sizeof (PluginPresetPtr));
 354                 return true;
 355         }
 356         return false;
 357 }
 358
 359 void
 360 ProcessorEntry::set_position (Position p, uint32_t num)
 361 {
 362         _position = p;
 363         _position_num = num;
 364         setup_visuals ();
 365 }
 366
 367 void
 368 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
 369 {
 370         if (yn) {
 371                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
 372         } else {
 373                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
 374         }
 375 }
 376
 377 void
 378 ProcessorEntry::setup_visuals ()
 379 {
 380         if (_unknown_processor) {
 381                 _button.set_name ("processor stub");
 382                 return;
 383         }
 384         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                 if (boost::dynamic_pointer_cast<Send> (_processor) && !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 517                         ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>&gt; %1</b>", _processor->name()));
 518                         return;
 519                 }
 520         }
 521         ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>%1</b>", name (Wide)));
 522 }
 523
 524 string
 525 ProcessorEntry::name (Width w) const
 526 {
 527         boost::shared_ptr<Send> send;
 528         string name_display;
 529
 530         if (!_processor) {
 531                 return string();
 532         }
 533
 534         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
 535             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
 536
 537                 name_display += '>';
 538                 std::string send_name;
 539                 bool pretty_ok = true;
 540
 541                 if (send->remove_on_disconnect ()) {
 542                         // assume it's a sidechain, find pretty name of connected port(s)
 543                         PortSet& ps (send->output ()->ports ());
 544                         for (PortSet::iterator i = ps.begin (); i != ps.end () && pretty_ok; ++i) {
 545                                 vector<string> connections;
 546                                 if (i->get_connections (connections)) {
 547                                         vector<string>::const_iterator ci;
 548                                         for (ci = connections.begin(); ci != connections.end(); ++ci) {
 549                                                 std::string pn = AudioEngine::instance()->get_pretty_name_by_name (*ci);
 550                                                 if (pn.empty ()) {
 551                                                         continue;
 552                                                 }
 553                                                 if (send_name.empty ()) {
 554                                                         send_name = pn;
 555                                                 } else if (send_name != pn) {
 556                                                         // pretty names don't match
 557                                                         pretty_ok = false;
 558                                                         break;
 559                                                 }
 560                                         }
 561                                 }
 562                         }
 563                 }
 564
 565                 if (!pretty_ok) {
 566                         send_name = "";
 567                 }
 568
 569                 /* grab the send name out of its overall name */
 570                 if (send_name.empty()) {
 571                         send_name = send->name();
 572                         string::size_type lbracket, rbracket;
 573                         lbracket = send_name.find ('[');
 574                         rbracket = send_name.find (']');
 575                         send_name = send_name.substr (lbracket+1, lbracket-rbracket-1);
 576                 }
 577
 578                 switch (w) {
 579                 case Wide:
 580                         name_display += send_name;
 581                         break;
 582                 case Narrow:
 583                         name_display += PBD::short_version (send_name, 5);
 584                         break;
 585                 }
 586
 587         } else {
 588                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
 589                 uint32_t replicated;
 590                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
 591                                 && (replicated = pi->get_count()) > 1)
 592                 {
 593                         name_display += string_compose(_("(%1x1) "), replicated);
 594                 }
 595
 596                 switch (w) {
 597                 case Wide:
 598                         name_display += _processor->display_name();
 599                         break;
 600                 case Narrow:
 601                         name_display += PBD::short_version (_processor->display_name(), 5);
 602                         break;
 603                 }
 604
 605         }
 606
 607         return name_display;
 608 }
 609
 610 void
 611 ProcessorEntry::show_all_controls ()
 612 {
 613         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 614                 (*i)->set_visible (true);
 615         }
 616
 617         _parent->update_gui_object_state (this);
 618 }
 619
 620 void
 621 ProcessorEntry::hide_all_controls ()
 622 {
 623         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 624                 (*i)->set_visible (false);
 625         }
 626
 627         _parent->update_gui_object_state (this);
 628 }
 629
 630 void
 631 ProcessorEntry::add_control_state (XMLNode* node) const
 632 {
 633         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 634                 (*i)->add_state (node);
 635         }
 636
 637         if (_plugin_display) {
 638                 XMLNode* c = new XMLNode (X_("Object"));
 639                 c->add_property (X_("id"), X_("InlineDisplay"));
 640                 c->add_property (X_("visible"), _plugin_display->is_visible ());
 641                 node->add_child_nocopy (*c);
 642         }
 643 }
 644
 645 void
 646 ProcessorEntry::set_control_state (XMLNode const * node)
 647 {
 648         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
 649                 (*i)->set_state (node);
 650         }
 651
 652         if (_plugin_display) {
 653                 XMLNode* n = GUIObjectState::get_node (node, X_("InlineDisplay"));
 654                 XMLProperty* p = n ? n->property (X_("visible")) : NULL;
 655                 if (p) {
 656                         if (string_is_affirmative (p->value ())) {
 657                                 _plugin_display->show();
 658                         } else {
 659                                 _plugin_display->hide();
 660                         }
 661                 }
 662         }
 663 }
 664
 665 string
 666 ProcessorEntry::state_id () const
 667 {
 668         return string_compose ("processor %1", _processor->id().to_s());
 669 }
 670
 671 void
 672 ProcessorEntry::hide_things ()
 673 {
 674         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 675                 (*i)->hide_things ();
 676         }
 677 }
 678
 679
 680 Menu *
 681 ProcessorEntry::build_controls_menu ()
 682 {
 683         using namespace Menu_Helpers;
 684         Menu* menu = manage (new Menu);
 685         MenuList& items = menu->items ();
 686
 687         if (_plugin_display) {
 688                 items.push_back (CheckMenuElem (_("Inline Display")));
 689                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 690                 c->set_active (_plugin_display->is_visible ());
 691                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_inline_display_visibility));
 692                 items.push_back (SeparatorElem ());
 693         }
 694
 695         items.push_back (
 696                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
 697                 );
 698
 699         items.push_back (
 700                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
 701                 );
 702
 703         if (!_controls.empty ()) {
 704                 items.push_back (SeparatorElem ());
 705         }
 706
 707         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
 708                 items.push_back (CheckMenuElem ((*i)->name ()));
 709                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 710                 c->set_active ((*i)->visible ());
 711                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
 712         }
 713
 714         return menu;
 715 }
 716
 717 void
 718 ProcessorEntry::toggle_inline_display_visibility ()
 719 {
 720         if (_plugin_display->is_visible ()) {
 721                 _plugin_display->hide();
 722         } else {
 723                 _plugin_display->show();
 724         }
 725         _parent->update_gui_object_state (this);
 726 }
 727
 728 void
 729 ProcessorEntry::toggle_control_visibility (Control* c)
 730 {
 731         c->set_visible (!c->visible ());
 732         _parent->update_gui_object_state (this);
 733 }
 734
 735 Menu *
 736 ProcessorEntry::build_send_options_menu ()
 737 {
 738         using namespace Menu_Helpers;
 739         Menu* menu = manage (new Menu);
 740         MenuList& items = menu->items ();
 741
 742         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 743         if (send) {
 744
 745                 items.push_back (CheckMenuElem (_("Link panner controls")));
 746                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
 747                 c->set_active (send->panner_shell()->is_linked_to_route());
 748                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
 749
 750         }
 751         return menu;
 752 }
 753
 754 void
 755 ProcessorEntry::toggle_panner_link ()
 756 {
 757         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
 758         if (send) {
 759                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
 760         }
 761 }
 762
 763 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
 764         : _control (c)
 765         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
 766         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * UIConfiguration::instance().get_ui_scale())))
 767         , _slider_persistant_tooltip (&_slider)
 768         , _button (ArdourButton::led_default_elements)
 769         , _ignore_ui_adjustment (false)
 770         , _visible (false)
 771         , _name (n)
 772 {
 773         _slider.set_controllable (c);
 774         box.set_padding(0, 0, 4, 4);
 775
 776         if (c->toggled()) {
 777                 _button.set_text (_name);
 778                 _button.set_led_left (true);
 779                 _button.set_name ("processor control button");
 780                 box.add (_button);
 781                 _button.show ();
 782
 783                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
 784                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked_event));
 785                 // dup. currently timers are used :(
 786                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 787
 788         } else {
 789
 790                 _slider.set_name ("ProcessorControlSlider");
 791                 _slider.set_text (_name);
 792
 793                 box.add (_slider);
 794                 _slider.show ();
 795
 796                 const ARDOUR::ParameterDescriptor& desc = c->desc();
 797                 double const lo = c->internal_to_interface(desc.lower);
 798                 double const up = c->internal_to_interface(desc.upper);
 799                 double const normal = c->internal_to_interface(desc.normal);
 800                 double smallstep = desc.smallstep;
 801                 double largestep = desc.largestep;
 802
 803                 if (smallstep == 0.0) {
 804                         smallstep = up / 1000.;
 805                 } else {
 806                         smallstep = c->internal_to_interface(desc.lower + smallstep);
 807                 }
 808
 809                 if (largestep == 0.0) {
 810                         largestep = up / 40.;
 811                 } else {
 812                         largestep = c->internal_to_interface(desc.lower + largestep);
 813                 }
 814
 815                 _adjustment.set_lower (lo);
 816                 _adjustment.set_upper (up);
 817                 _adjustment.set_step_increment (smallstep);
 818                 _adjustment.set_page_increment (largestep);
 819                 _slider.set_default_value (normal);
 820
 821                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
 822                 // dup. currently timers are used :(
 823                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
 824         }
 825
 826         // yuck, do we really need to do this?
 827         // according to c404374 this is only needed for send automation
 828         timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &Control::control_changed));
 829
 830         control_changed ();
 831         set_tooltip ();
 832
 833         /* We're providing our own PersistentTooltip */
 834         set_no_tooltip_whatsoever (_slider);
 835 }
 836
 837 ProcessorEntry::Control::~Control ()
 838 {
 839         timer_connection.disconnect ();
 840 }
 841
 842 void
 843 ProcessorEntry::Control::set_tooltip ()
 844 {
 845         boost::shared_ptr<AutomationControl> c = _control.lock ();
 846
 847         if (!c) {
 848                 return;
 849         }
 850         char tmp[256];
 851         if (c->toggled ()) {
 852                 snprintf (tmp, sizeof(tmp), "%s: %s", _name.c_str(), c->get_value() > 0.5 ? _("on") : _("off"));
 853         } else {
 854                 snprintf (tmp, sizeof(tmp), "%s: %.2f", _name.c_str(), c->internal_to_user (c->get_value ()));
 855         }
 856
 857         string sm = Gtkmm2ext::markup_escape_text (tmp);
 858         _slider_persistant_tooltip.set_tip (sm);
 859         ARDOUR_UI_UTILS::set_tooltip (_button, sm);
 860 }
 861
 862 void
 863 ProcessorEntry::Control::slider_adjusted ()
 864 {
 865         if (_ignore_ui_adjustment) {
 866                 return;
 867         }
 868
 869         boost::shared_ptr<AutomationControl> c = _control.lock ();
 870
 871         if (!c) {
 872                 return;
 873         }
 874
 875         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) , Controllable::NoGroup);
 876         set_tooltip ();
 877 }
 878
 879 void
 880 ProcessorEntry::Control::button_clicked ()
 881 {
 882         boost::shared_ptr<AutomationControl> c = _control.lock ();
 883
 884         if (!c) {
 885                 return;
 886         }
 887
 888         bool const n = _button.get_active ();
 889
 890         c->set_value (n ? 0 : 1, Controllable::NoGroup);
 891         _button.set_active (!n);
 892         set_tooltip ();
 893 }
 894
 895 void
 896 ProcessorEntry::Control::button_clicked_event (GdkEventButton *ev)
 897 {
 898         (void) ev;
 899
 900         button_clicked ();
 901 }
 902
 903 void
 904 ProcessorEntry::Control::control_changed ()
 905 {
 906         boost::shared_ptr<AutomationControl> c = _control.lock ();
 907         if (!c) {
 908                 return;
 909         }
 910
 911         _ignore_ui_adjustment = true;
 912
 913         if (c->toggled ()) {
 914
 915                 _button.set_active (c->get_value() > 0.5);
 916
 917         } else {
 918                 // as long as rapid timers are used, only update the tooltip
 919                 // if the value has changed.
 920                 const double nval = c->internal_to_interface (c->get_value ());
 921                 if (_adjustment.get_value() != nval) {
 922                         _adjustment.set_value (nval);
 923                         set_tooltip ();
 924                 }
 925         }
 926
 927         _ignore_ui_adjustment = false;
 928 }
 929
 930 void
 931 ProcessorEntry::Control::add_state (XMLNode* node) const
 932 {
 933         XMLNode* c = new XMLNode (X_("Object"));
 934         c->add_property (X_("id"), state_id ());
 935         c->add_property (X_("visible"), _visible);
 936         node->add_child_nocopy (*c);
 937 }
 938
 939 void
 940 ProcessorEntry::Control::set_state (XMLNode const * node)
 941 {
 942         XMLNode* n = GUIObjectState::get_node (node, state_id ());
 943         if (n) {
 944                 XMLProperty* p = n->property (X_("visible"));
 945                 set_visible (p && string_is_affirmative (p->value ()));
 946         } else {
 947                 set_visible (false);
 948         }
 949 }
 950
 951 void
 952 ProcessorEntry::Control::set_visible (bool v)
 953 {
 954         if (v) {
 955                 box.show ();
 956         } else {
 957                 box.hide ();
 958         }
 959
 960         _visible = v;
 961 }
 962
 963 /** Called when the Editor might have re-shown things that
 964     we want hidden.
 965 */
 966 void
 967 ProcessorEntry::Control::hide_things ()
 968 {
 969         if (!_visible) {
 970                 box.hide ();
 971         }
 972 }
 973
 974 string
 975 ProcessorEntry::Control::state_id () const
 976 {
 977         boost::shared_ptr<AutomationControl> c = _control.lock ();
 978         assert (c);
 979
 980         return string_compose (X_("control %1"), c->id().to_s ());
 981 }
 982
 983 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
 984         : ProcessorEntry (b, p, w)
 985         , _plugin_insert (p)
 986 {
 987         p->PluginIoReConfigure.connect (
 988                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 989                 );
 990         p->PluginMapChanged.connect (
 991                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 992                 );
 993         p->PluginConfigChanged.connect (
 994                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
 995                 );
 996 }
 997
 998 void
 999 PluginInsertProcessorEntry::iomap_changed ()
1000 {
1001         _parent->setup_routing_feeds ();
1002         routing_icon.queue_draw();
1003         output_routing_icon.queue_draw();
1004 }
1005
1006 void
1007 PluginInsertProcessorEntry::hide_things ()
1008 {
1009         ProcessorEntry::hide_things ();
1010 }
1011
1012 ProcessorEntry::PortIcon::PortIcon(bool input) {
1013         _input = input;
1014         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
1015         set_size_request (-1, std::max (2.f, rintf(2.f * UIConfiguration::instance().get_ui_scale())));
1016 }
1017
1018 bool
1019 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
1020 {
1021         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1022
1023         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1024         cairo_clip (cr);
1025
1026         Gtk::Allocation a = get_allocation();
1027         double const width = a.get_width();
1028         double const height = a.get_height();
1029
1030         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1031         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1032
1033         cairo_rectangle (cr, 0, 0, width, height);
1034         cairo_fill (cr);
1035
1036         const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1037         if (_ports.n_total() > 1) {
1038                 for (uint32_t i = 0; i < _ports.n_total(); ++i) {
1039                         set_routing_color (cr, i < _ports.n_midi());
1040                         const float x = rintf(width * (.2f + .6f * i / (_ports.n_total() - 1.f)));
1041                         cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
1042                         cairo_fill(cr);
1043                 }
1044         } else if (_ports.n_total() == 1) {
1045                 set_routing_color (cr, _ports.n_midi() == 1);
1046                 const float x = rintf(width * .5);
1047                 cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
1048                 cairo_fill(cr);
1049         }
1050
1051         cairo_destroy(cr);
1052         return true;
1053 }
1054
1055 ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
1056         : _fed_by (false)
1057         , _input (input)
1058 {
1059         set_terminal (false);
1060 }
1061
1062 void
1063 ProcessorEntry::RoutingIcon::set_terminal (bool b) {
1064         _terminal = b;
1065         int h = std::max (8.f, rintf(8.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1066         if (_terminal) {
1067                 h += std::max (4.f, rintf(4.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1068         }
1069         set_size_request (-1, h);
1070 }
1071
1072 void
1073 ProcessorEntry::RoutingIcon::set (
1074                 const ARDOUR::ChanCount& in,
1075                 const ARDOUR::ChanCount& out,
1076                 const ARDOUR::ChanCount& sinks,
1077                 const ARDOUR::ChanCount& sources,
1078                 const ARDOUR::ChanMapping& in_map,
1079                 const ARDOUR::ChanMapping& out_map,
1080                 const ARDOUR::ChanMapping& thru_map)
1081 {
1082         _in       = in;
1083         _out      = out;
1084         _sources  = sources;
1085         _sinks    = sinks;
1086         _in_map   = in_map;
1087         _out_map  = out_map;
1088         _thru_map = thru_map;
1089 }
1090
1091 bool
1092 ProcessorEntry::RoutingIcon::in_identity () const {
1093         if (_thru_map.n_total () > 0) {
1094                 return false;
1095         }
1096         if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
1097                 return false;
1098         }
1099         if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
1100                 return false;
1101         }
1102         return true;
1103 }
1104
1105 bool
1106 ProcessorEntry::RoutingIcon::out_identity () const {
1107         if (_thru_map.n_total () > 0) {
1108                 // TODO skip if trhu is not connected to any of next's inputs
1109                 return false;
1110         }
1111         if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
1112                 return false;
1113         }
1114         if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
1115                 return false;
1116         }
1117         return true;
1118 }
1119
1120 bool
1121 ProcessorEntry::RoutingIcon::can_coalesce () const {
1122         if (_thru_map.n_total () > 0) {
1123                 return false;
1124         }
1125         if (_fed_by && _f_out != _f_sources) {
1126                 return false;
1127         }
1128         if (_input && _sinks == _in && (!_fed_by || _f_out == _in)) {
1129                 return true;
1130         }
1131         return false;
1132 }
1133
1134 void
1135 ProcessorEntry::RoutingIcon::set_fed_by (
1136                                 const ARDOUR::ChanCount& out,
1137                                 const ARDOUR::ChanCount& sources,
1138                                 const ARDOUR::ChanMapping& out_map,
1139                                 const ARDOUR::ChanMapping& thru_map)
1140 {
1141         _f_out      = out;
1142         _f_sources  = sources;
1143         _f_out_map  = out_map;
1144         _f_thru_map = thru_map;
1145         _fed_by     = true;
1146 }
1147
1148 void
1149 ProcessorEntry::RoutingIcon::set_feeding (
1150                                 const ARDOUR::ChanCount& in,
1151                                 const ARDOUR::ChanCount& sinks,
1152                                 const ARDOUR::ChanMapping& in_map,
1153                                 const ARDOUR::ChanMapping& thru_map)
1154 {
1155         _i_in       = in;
1156         _i_sinks    = sinks;
1157         _i_in_map   = in_map;
1158         _i_thru_map = thru_map;
1159         _feeding    = true;
1160 }
1161
1162 double
1163 ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
1164 {
1165         if (!midi) { i += n_midi; }
1166         if (n_total == 1) {
1167                 assert (i == 0);
1168                 return rint (width * .5) +.5;
1169         }
1170         return rint (width * (.2 + .6 * i / (n_total - 1))) + .5;
1171 }
1172
1173 void
1174 ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double y0, double height, bool midi)
1175 {
1176         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1177         const double y1 = rint (height * .66) + .5;
1178
1179         cairo_save (cr);
1180         cairo_translate (cr, x0, y0);
1181         cairo_move_to (cr, 0, height);
1182         cairo_line_to (cr, 0, y1);
1183         cairo_move_to (cr, 0 - dx, y1);
1184         cairo_line_to (cr, 0 + dx, y1);
1185
1186         set_routing_color (cr, midi);
1187         cairo_set_line_width (cr, 1.0);
1188         cairo_stroke (cr);
1189         cairo_restore (cr);
1190 }
1191
1192 void
1193 ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double y0, double height, bool midi)
1194 {
1195         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1196         const double y1 = rint (height * .5) - .5;
1197
1198         cairo_save (cr);
1199         cairo_translate (cr, x0, y0);
1200         cairo_move_to (cr, 0 - dx, height);
1201         cairo_line_to (cr, 0, y1);
1202         cairo_line_to (cr, 0 + dx, height);
1203         cairo_close_path (cr);
1204
1205         set_routing_color (cr, midi);
1206         cairo_fill (cr);
1207         cairo_restore (cr);
1208 }
1209
1210 void
1211 ProcessorEntry::RoutingIcon::draw_thru_src (cairo_t* cr, double x0, double y0, double height, bool midi)
1212 {
1213         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1214         const double y1 = rint (height * .5) + .5;
1215
1216         cairo_save (cr);
1217         cairo_translate (cr, x0, y0);
1218         cairo_move_to (cr, 0 - dx - .5, y1);
1219         cairo_line_to (cr, 0 + dx + .5, y1 - 2);
1220
1221         cairo_move_to (cr, 0 - dx - .5, y1 + 2);
1222         cairo_line_to (cr, 0 + dx + .5, y1);
1223
1224         cairo_move_to (cr, 0, y1 + 1);
1225         cairo_line_to (cr, 0, height);
1226
1227         set_routing_color (cr, midi);
1228         cairo_set_line_width  (cr, 1.0);
1229         cairo_stroke (cr);
1230         cairo_restore (cr);
1231 }
1232
1233 void
1234 ProcessorEntry::RoutingIcon::draw_thru_sink (cairo_t* cr, double x0, double y0, double height, bool midi)
1235 {
1236         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1237         const double y1 = rint (height * .5) - .5;
1238
1239         cairo_save (cr);
1240         cairo_translate (cr, x0, y0);
1241         cairo_move_to (cr, 0 - dx - .5, y1);
1242         cairo_line_to (cr, 0 + dx + .5, y1 - 2);
1243
1244         cairo_move_to (cr, 0 - dx - .5, y1 + 2);
1245         cairo_line_to (cr, 0 + dx + .5, y1);
1246
1247         cairo_move_to (cr, 0, y1 - 1);
1248         cairo_line_to (cr, 0, 0);
1249
1250         set_routing_color (cr, midi);
1251         cairo_set_line_width  (cr, 1.0);
1252         cairo_stroke (cr);
1253         cairo_restore (cr);
1254 }
1255
1256 void
1257 ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
1258 {
1259         double bz = abs (y1 - y0);
1260
1261         cairo_move_to (cr, x0, y0);
1262         cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
1263         cairo_set_line_width  (cr, 1.0);
1264         cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
1265         cairo_set_source_rgb (cr, 1, 0, 0);
1266         if (dashed) {
1267                 const double dashes[] = { 2, 3 };
1268                 cairo_set_dash (cr, dashes, 2, 0);
1269         }
1270         set_routing_color (cr, midi);
1271         cairo_stroke (cr);
1272         if (dashed) {
1273                 cairo_set_dash (cr, 0, 0, 0);
1274         }
1275 }
1276
1277 bool
1278 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
1279 {
1280         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1281
1282         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1283         cairo_clip (cr);
1284
1285         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
1286
1287         Gtk::Allocation a = get_allocation();
1288         double const width = a.get_width();
1289         double const height = a.get_height();
1290
1291         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1292         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1293
1294         cairo_rectangle (cr, 0, 0, width, height);
1295         cairo_fill (cr);
1296
1297         if (_input) {
1298                 if (can_coalesce ()) {
1299                         expose_coalesced_input_map (cr, width, height);
1300                 } else {
1301                         expose_input_map (cr, width, height);
1302                 }
1303         } else {
1304                 expose_output_map (cr, width, height);
1305         }
1306
1307         cairo_destroy(cr);
1308         return true;
1309 }
1310
1311 void
1312 ProcessorEntry::RoutingIcon::expose_coalesced_input_map (cairo_t* cr, const double width, const double height)
1313 {
1314         const uint32_t pc_in = _sinks.n_total();
1315         const uint32_t pc_in_midi = _sinks.n_midi();
1316
1317         for (uint32_t i = 0; i < pc_in; ++i) {
1318                 const bool is_midi = i < pc_in_midi;
1319                 bool valid_in;
1320                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1321                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1322                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1323                 if (!valid_in) {
1324                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1325                         draw_gnd (cr, x, 0, height, is_midi);
1326                         continue;
1327                 }
1328                 if (idx >= _in.get (dt)) {
1329                         // side-chain, probably
1330                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1331                         draw_sidechain (cr, x, 0, height, is_midi);
1332                         continue;
1333                 }
1334                 double c_x0;
1335                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1336
1337                 if (_fed_by) {
1338                         bool valid_src;
1339                         uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
1340                         if (!valid_src) {
1341                                 double x = pin_x_pos (i, width, pc_in, 0, false);
1342                                 bool valid_thru;
1343                                 _f_thru_map.get (dt, idx, &valid_thru);
1344                                 if (valid_thru) {
1345                                         draw_thru_src (cr, x, 0, height, is_midi);
1346                                 } else {
1347                                         draw_gnd (cr, x, 0, height, is_midi);
1348                                 }
1349                                 continue;
1350                         }
1351                         c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
1352                 } else {
1353                         c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
1354                 }
1355                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1356         }
1357 }
1358
1359 void
1360 ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
1361 {
1362         const uint32_t n_in = _in.n_total();
1363         const uint32_t n_in_midi = _in.n_midi();
1364         const uint32_t pc_in = _sinks.n_total();
1365         const uint32_t pc_in_midi = _sinks.n_midi();
1366
1367         // draw inputs to this
1368         for (uint32_t i = 0; i < pc_in; ++i) {
1369                 const bool is_midi = i < pc_in_midi;
1370                 bool valid_in;
1371                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1372                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1373                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1374                 // check if it's fed
1375                 bool valid_src = true;
1376                 if (valid_in && idx < _in.get (dt) && _fed_by) {
1377                         bool valid_out;
1378                         bool valid_thru;
1379                         _f_out_map.get_src (dt, idx, &valid_out);
1380                         _f_thru_map.get (dt, idx, &valid_thru);
1381                         if (!valid_out && !valid_thru) {
1382                                 valid_src = false;
1383                         }
1384                 }
1385                 if (!valid_in || !valid_src) {
1386                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1387                         draw_gnd (cr, x, 0, height, is_midi);
1388                         continue;
1389                 }
1390                 if (idx >= _in.get (dt)) {
1391                         // side-chain, probably
1392                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1393                         draw_sidechain (cr, x, 0, height, is_midi);
1394                         continue;
1395                 }
1396                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1397                 double c_x0 = pin_x_pos (idx, width, n_in, n_in_midi, is_midi);
1398                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1399         }
1400
1401         // draw reverse thru
1402         for (uint32_t i = 0; i < n_in; ++i) {
1403                 const bool is_midi = i < n_in_midi;
1404                 bool valid_thru;
1405                 uint32_t pn = is_midi ? i : i - n_in_midi;
1406                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1407                 _thru_map.get_src (dt, pn, &valid_thru);
1408                 if (!valid_thru) {
1409                         continue;
1410                 }
1411                 double x = pin_x_pos (i, width, n_in, 0, is_midi);
1412                 draw_thru_sink (cr, x, 0, height, is_midi);
1413         }
1414 }
1415
1416 void
1417 ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
1418 {
1419         int dh = std::max (4.f, rintf(4.f * UIConfiguration::instance().get_ui_scale()));
1420         double ht = _terminal ? height - dh : height;
1421
1422         // draw outputs of this
1423         const uint32_t pc_out = _sources.n_total();
1424         const uint32_t pc_out_midi = _sources.n_midi();
1425         const uint32_t n_out = _out.n_total();
1426         const uint32_t n_out_midi = _out.n_midi();
1427
1428         for (uint32_t i = 0; i < pc_out; ++i) {
1429                 const bool is_midi = i < pc_out_midi;
1430                 bool valid_out;
1431                 uint32_t pn = is_midi ? i : i - pc_out_midi;
1432                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1433                 uint32_t idx = _out_map.get (dt, pn, &valid_out);
1434                 if (!valid_out) {
1435                         continue;
1436                 }
1437                 // skip connections that are not used in the next's input
1438                 if (_feeding) {
1439                         bool valid_thru, valid_sink;
1440                         _i_in_map.get_src (dt, idx, &valid_sink);
1441                         _i_thru_map.get_src (dt, idx, &valid_thru);
1442                         if (!valid_thru && !valid_sink) {
1443                                 continue;
1444                         }
1445                 }
1446                 double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
1447                 double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
1448                 draw_connection (cr, c_x0, c_x1, 0, ht, is_midi);
1449         }
1450
1451         for (uint32_t i = 0; i < n_out; ++i) {
1452                 const bool is_midi = i < n_out_midi;
1453                 uint32_t pn = is_midi ? i : i - n_out_midi;
1454                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1455                 double x = pin_x_pos (i, width, n_out, 0, is_midi);
1456
1457                 if (!_terminal) {
1458                         // only check thru (gnd is part of input)
1459                         bool valid_thru;
1460                         uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1461                         if (!valid_thru) {
1462                                 continue;
1463                         }
1464
1465                         // skip connections that are not used in the next's input :(
1466                         if (_feeding) {
1467                                 bool valid_sink;
1468                                 _i_in_map.get_src (dt, pn, &valid_sink);
1469                                 _i_thru_map.get_src (dt, pn, &valid_thru);
1470                                 if (!valid_thru && !valid_sink) {
1471                                         continue;
1472                                 }
1473                         }
1474
1475                         if (idx >= _in.get (dt)) {
1476                                 draw_sidechain (cr, x, 0, ht, is_midi);
1477                         } else {
1478                                 draw_thru_src (cr, x, 0, ht, is_midi);
1479                         }
1480
1481                 } else {
1482                         // terminal node, add arrows
1483                         bool valid_src;
1484                         _out_map.get_src (dt, pn, &valid_src);
1485                         if (!valid_src) {
1486                                 bool valid_thru;
1487                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1488                                 if (valid_thru) {
1489                                         if (idx >= _in.get (dt)) {
1490                                                 draw_sidechain (cr, x, 0, height - dh, is_midi);
1491                                         } else {
1492                                                 draw_thru_src (cr, x, 0, height - dh, is_midi);
1493                                         }
1494                                 } else {
1495                                         draw_gnd (cr, x, 0, height - dh, is_midi);
1496                                 }
1497                         }
1498
1499                         set_routing_color (cr, is_midi);
1500                         cairo_set_line_width (cr, 1.0);
1501                         cairo_move_to (cr, x, height - dh);
1502                         cairo_line_to (cr, x, height - 2);
1503                         cairo_stroke (cr);
1504
1505                         const double ar = dh - 1;
1506                         cairo_move_to (cr, x - ar, height - ar);
1507                         cairo_line_to (cr, x     , height - .5);
1508                         cairo_line_to (cr, x + ar, height - ar);
1509                         cairo_line_to (cr, x     , height - ar * .5);
1510                         cairo_close_path (cr);
1511                         cairo_fill_preserve (cr);
1512                         cairo_stroke (cr);
1513                 }
1514         }
1515 }
1516
1517 ProcessorEntry::PluginDisplay::PluginDisplay (boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
1518         : _plug (p)
1519         , _surf (0)
1520         , _max_height (max_height)
1521         , _cur_height (1)
1522         , _scroll (false)
1523 {
1524         set_name ("processor prefader");
1525         _plug->QueueDraw.connect (_qdraw_connection, invalidator (*this),
1526                         boost::bind (&Gtk::Widget::queue_draw, this), gui_context ());
1527 }
1528
1529 ProcessorEntry::PluginDisplay::~PluginDisplay ()
1530 {
1531         if (_surf) {
1532                 cairo_surface_destroy (_surf);
1533         }
1534 }
1535
1536 void
1537 ProcessorEntry::PluginDisplay::on_size_request (Gtk::Requisition* req)
1538 {
1539         req->width = 56;
1540         req->height = _cur_height;
1541 }
1542
1543
1544 void
1545 ProcessorEntry::PluginDisplay::update_height_alloc (uint32_t inline_height)
1546 {
1547         /* work-around scroll-bar + aspect ratio
1548          * show inline-view -> height changes -> scrollbar gets added
1549          * -> width changes -> inline-view, fixed aspect ratio -> height changes
1550          * -> scroll bar is removed [-> width changes ; repeat ]
1551          */
1552         uint32_t shm = std::min (_max_height, inline_height);
1553         bool sc = false;
1554         Gtk::Container* pr = get_parent();
1555         for (uint32_t i = 0; i < 4 && pr; ++i) {
1556                 // VBox, EventBox, ViewPort, ScrolledWindow
1557                 pr = pr->get_parent();
1558         }
1559         Gtk::ScrolledWindow* sw = dynamic_cast<Gtk::ScrolledWindow*> (pr);
1560         if (sw) {
1561                 const Gtk::VScrollbar* vsb = sw->get_vscrollbar();
1562                 sc = vsb && vsb->is_visible();
1563         }
1564
1565         if (shm != _cur_height) {
1566                 if (_scroll == sc || _cur_height < shm) {
1567                         queue_resize ();
1568                 }
1569                 _cur_height = shm;
1570         }
1571         _scroll = sc;
1572 }
1573
1574 uint32_t
1575 ProcessorEntry::PluginDisplay::render_inline (cairo_t* cr, uint32_t width)
1576 {
1577         Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
1578         if (!dis) {
1579                 return 0;
1580         }
1581
1582         /* allocate a local image-surface,
1583          * We cannot re-use the data via cairo_image_surface_create_for_data(),
1584          * since pixman keeps a reference to it.
1585          * we'd need to hand over the data and ha cairo_surface_destroy to free it.
1586          * it might be possible to work around via cairo_surface_set_user_data().
1587          */
1588         if (!_surf
1589                         || dis->width !=  cairo_image_surface_get_width (_surf)
1590                         || dis->height !=  cairo_image_surface_get_height (_surf)
1591                  ) {
1592                 if (_surf) {
1593                         cairo_surface_destroy (_surf);
1594                 }
1595                 _surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dis->width, dis->height);
1596         }
1597
1598         if (cairo_image_surface_get_stride (_surf) == dis->stride) {
1599                 memcpy (cairo_image_surface_get_data (_surf), dis->data, dis->stride * dis->height);
1600         } else {
1601                 unsigned char *src = dis->data;
1602                 unsigned char *dst = cairo_image_surface_get_data (_surf);
1603                 const int dst_stride =  cairo_image_surface_get_stride (_surf);
1604                 for (int y = 0; y < dis->height; ++y) {
1605                         memcpy (dst, src, dis->width * 4 /*ARGB32*/);
1606                         src += dis->stride;
1607                         dst += dst_stride;
1608                 }
1609         }
1610
1611         cairo_surface_mark_dirty(_surf);
1612         const double xc = floor ((width - dis->width) * .5);
1613         cairo_set_source_surface(cr, _surf, xc, 0);
1614         cairo_paint (cr);
1615
1616         return dis->height;
1617 }
1618
1619 bool
1620 ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
1621 {
1622         Gtk::Allocation a = get_allocation();
1623         double const width = a.get_width();
1624         double const height = a.get_height();
1625
1626         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1627         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1628         cairo_clip (cr);
1629
1630         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1631         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1632         cairo_rectangle (cr, 0, 0, width, height);
1633         cairo_fill (cr);
1634
1635         cairo_save (cr);
1636         cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
1637         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1638         cairo_clip (cr);
1639         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1640
1641         uint32_t ht = render_inline (cr, width);
1642         cairo_restore (cr);
1643
1644         if (ht == 0) {
1645                 hide ();
1646                 if (_cur_height != 1) {
1647                         _cur_height = 1;
1648                         queue_resize ();
1649                 }
1650                 cairo_destroy (cr);
1651                 return true;
1652         } else {
1653                 update_height_alloc (ht);
1654         }
1655
1656         bool failed = false;
1657         std::string name = get_name();
1658         ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
1659
1660         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1661         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1662         cairo_set_line_width(cr, 1.0);
1663         ArdourCanvas::set_source_rgb_a (cr, fill_color, 1.0);
1664         cairo_stroke (cr);
1665
1666         cairo_destroy(cr);
1667         return true;
1668 }
1669
1670 ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
1671         : PluginDisplay (p, max_height)
1672         , _luaproc (p)
1673         , _lua_render_inline (0)
1674 {
1675         p->setup_lua_inline_gui (&lua_gui);
1676
1677         lua_State* LG = lua_gui.getState ();
1678         LuaInstance::bind_cairo (LG);
1679         luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
1680         assert (lua_render.isFunction ());
1681         _lua_render_inline = new luabridge::LuaRef (lua_render);
1682 }
1683
1684 ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
1685 {
1686         delete (_lua_render_inline);
1687 }
1688
1689 uint32_t
1690 ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
1691 {
1692         Cairo::Context ctx (cr);
1693         try {
1694                 luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
1695                 if (rv.isTable ()) {
1696                         uint32_t h = rv[2];
1697                         return h;
1698                 }
1699         } catch (luabridge::LuaException const& e) {
1700                 ;
1701         }
1702         return 0;
1703 }
1704
1705
1706 static std::list<Gtk::TargetEntry> drop_targets()
1707 {
1708         std::list<Gtk::TargetEntry> tmp;
1709         tmp.push_back (Gtk::TargetEntry ("processor")); // from processor-box to processor-box
1710         tmp.push_back (Gtk::TargetEntry ("PluginInfoPtr")); // from plugin-manager
1711         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // from sidebar
1712         return tmp;
1713 }
1714
1715 static std::list<Gtk::TargetEntry> drag_targets()
1716 {
1717         std::list<Gtk::TargetEntry> tmp;
1718         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // to sidebar (optional preset)
1719         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor-box (copy)
1720         return tmp;
1721 }
1722
1723 static std::list<Gtk::TargetEntry> drag_targets_noplugin()
1724 {
1725         std::list<Gtk::TargetEntry> tmp;
1726         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor box (sends, faders re-order)
1727         return tmp;
1728 }
1729
1730 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1731                             RouteProcessorSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
1732         : _parent_strip (parent)
1733         , _owner_is_mixer (owner_is_mixer)
1734         , ab_direction (true)
1735         , _get_plugin_selector (get_plugin_selector)
1736         , _placement (-1)
1737         , _visible_prefader_processors (0)
1738         , _rr_selection(rsel)
1739         , processor_display (drop_targets())
1740         , _redisplay_pending (false)
1741 {
1742         set_session (sess);
1743
1744         /* ProcessorBox actions and bindings created statically by call to
1745          * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
1746          * are available for context menus.
1747          */
1748
1749         processor_display.set_data ("ardour-bindings", bindings);
1750
1751         _width = Wide;
1752         processor_menu = 0;
1753         no_processor_redisplay = false;
1754
1755         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1756         processor_scroller.add (processor_display);
1757         pack_start (processor_scroller, true, true);
1758
1759         processor_display.set_flags (CAN_FOCUS);
1760         processor_display.set_name ("ProcessorList");
1761         processor_display.set_data ("processorbox", this);
1762         processor_display.set_size_request (48, -1);
1763         processor_display.set_spacing (0);
1764
1765         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1766         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1767
1768         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1769         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1770
1771         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1772         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1773         processor_display.DropFromExternal.connect (sigc::mem_fun (*this, &ProcessorBox::plugin_drop));
1774
1775         processor_scroller.show ();
1776         processor_display.show ();
1777
1778         if (parent) {
1779                 parent->DeliveryChanged.connect (
1780                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1781                         );
1782         }
1783
1784         ARDOUR_UI_UTILS::set_tooltip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1785 }
1786
1787 ProcessorBox::~ProcessorBox ()
1788 {
1789         /* it may appear as if we should delete processor_menu but that is a
1790          * pointer to a widget owned by the UI Manager, and has potentially
1791          * be returned to many other ProcessorBoxes. GTK doesn't really make
1792          * clear the ownership of this widget, which is a menu and thus is
1793          * never packed into any container other than an implict GtkWindow.
1794          *
1795          * For now, until or if we ever get clarification over the ownership
1796          * story just let it continue to exist. At worst, its a small memory leak.
1797          */
1798 }
1799
1800 void
1801 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1802 {
1803         if (_route == r) {
1804                 return;
1805         }
1806
1807         _route_connections.drop_connections();
1808
1809         /* new route: any existing block on processor redisplay must be meaningless */
1810         no_processor_redisplay = false;
1811         _route = r;
1812
1813         _route->processors_changed.connect (
1814                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1815                 );
1816
1817         _route->DropReferences.connect (
1818                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1819                 );
1820
1821         _route->PropertyChanged.connect (
1822                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1823                 );
1824
1825         redisplay_processors ();
1826 }
1827
1828 void
1829 ProcessorBox::route_going_away ()
1830 {
1831         /* don't keep updating display as processors are deleted */
1832         no_processor_redisplay = true;
1833         _route.reset ();
1834 }
1835
1836 boost::shared_ptr<Processor>
1837 ProcessorBox::find_drop_position (ProcessorEntry* position)
1838 {
1839         boost::shared_ptr<Processor> p;
1840         if (position) {
1841                 p = position->processor ();
1842                 if (!p) {
1843                         /* dropped on the blank entry (which will be before the
1844                                  fader), so use the first non-blank child as our
1845                                  `dropped on' processor */
1846                         list<ProcessorEntry*> c = processor_display.children ();
1847                         list<ProcessorEntry*>::iterator i = c.begin ();
1848
1849                         assert (i != c.end ());
1850                         p = (*i)->processor ();
1851                         assert (p);
1852                 }
1853         }
1854         return p;
1855 }
1856
1857 void
1858 ProcessorBox::_drop_plugin_preset (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1859 {
1860                 const void * d = data.get_data();
1861                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1862
1863                 PluginPresetList nfos;
1864                 TreeView* source;
1865                 tv->get_object_drag_data (nfos, &source);
1866
1867                 for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1868                         PluginPresetPtr ppp = (*i);
1869                         PluginInfoPtr pip = ppp->_pip;
1870                         PluginPtr p = pip->load (*_session);
1871                         if (!p) {
1872                                 continue;
1873                         }
1874
1875                         if (ppp->_preset.valid) {
1876                                 p->load_preset (ppp->_preset);
1877                         }
1878
1879                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1880                         if (Config->get_new_plugins_active ()) {
1881                                 processor->activate ();
1882                         }
1883                         pl.push_back (processor);
1884                 }
1885 }
1886
1887 void
1888 ProcessorBox::_drop_plugin (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1889 {
1890                 const void * d = data.get_data();
1891                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>*>(d);
1892                 PluginInfoList nfos;
1893
1894                 TreeView* source;
1895                 tv->get_object_drag_data (nfos, &source);
1896
1897                 for (list<PluginInfoPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1898                         PluginPtr p = (*i)->load (*_session);
1899                         if (!p) {
1900                                 continue;
1901                         }
1902                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1903                         if (Config->get_new_plugins_active ()) {
1904                                 processor->activate ();
1905                         }
1906                         pl.push_back (processor);
1907                 }
1908 }
1909
1910 void
1911 ProcessorBox::plugin_drop (Gtk::SelectionData const &data, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1912 {
1913         if (!_session) {
1914                 return;
1915         }
1916
1917         boost::shared_ptr<Processor> p = find_drop_position (position);
1918         Route::ProcessorList pl;
1919
1920         if (data.get_target() == "PluginInfoPtr") {
1921                 _drop_plugin (data, pl);
1922         }
1923         else if (data.get_target() == "PluginPresetPtr") {
1924                 _drop_plugin_preset (data, pl);
1925         }
1926         else {
1927                 return;
1928         }
1929
1930         Route::ProcessorStreams err;
1931         if (_route->add_processors (pl, p, &err)) {
1932                 string msg = _(
1933                                 "Processor Drag/Drop failed. Probably because\n\
1934 the I/O configuration of the plugins could\n\
1935 not match the configuration of this track.");
1936                 MessageDialog am (msg);
1937                 am.run ();
1938         }
1939 }
1940
1941 void
1942 ProcessorBox::object_drop (DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1943 {
1944         if (Gdk::ACTION_LINK == context->get_selected_action()) {
1945                 list<ProcessorEntry*> children = source->selection ();
1946                 assert (children.size() == 1);
1947                 ProcessorEntry* other = *children.begin();
1948                 assert (other->can_copy_state (position));
1949                 boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
1950                 boost::shared_ptr<ARDOUR::Processor> proc = position->processor();
1951                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1952                 assert (otherproc && proc && pi);
1953
1954                 PBD::ID id = pi->id();
1955                 XMLNode& state = otherproc->get_state ();
1956                 /* strip side-chain state (processor inside processor must be a side-chain)
1957                  * otherwise we'll end up with duplicate ports-names.
1958                  * (this needs a better solution which retains connections)
1959                  */
1960                 state.remove_nodes ("Processor");
1961                 proc->set_state (state, Stateful::loading_state_version);
1962                 boost::dynamic_pointer_cast<PluginInsert>(proc)->update_id (id);
1963                 return;
1964         }
1965
1966         boost::shared_ptr<Processor> p = find_drop_position (position);
1967
1968         list<ProcessorEntry*> children = source->selection ();
1969         list<boost::shared_ptr<Processor> > procs;
1970         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
1971                 if ((*i)->processor ()) {
1972                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
1973                                 continue;
1974                         }
1975                         procs.push_back ((*i)->processor ());
1976                 }
1977         }
1978
1979         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
1980                 XMLNode& state = (*i)->get_state ();
1981                 XMLNodeList nlist;
1982                 nlist.push_back (&state);
1983                 paste_processor_state (nlist, p);
1984                 delete &state;
1985         }
1986
1987         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
1988            ourselves.
1989         */
1990
1991         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
1992                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
1993                 if (other) {
1994                         other->delete_dragged_processors (procs);
1995                 }
1996         }
1997 }
1998
1999 void
2000 ProcessorBox::set_width (Width w)
2001 {
2002         if (_width == w) {
2003                 return;
2004         }
2005
2006         _width = w;
2007
2008         list<ProcessorEntry*> children = processor_display.children ();
2009         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2010                 (*i)->set_enum_width (w);
2011         }
2012
2013         queue_resize ();
2014 }
2015
2016 Gtk::Menu*
2017 ProcessorBox::build_possible_aux_menu ()
2018 {
2019         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2020
2021         if (rl->empty()) {
2022                 /* No aux sends if there are no busses */
2023                 return 0;
2024         }
2025
2026         if (_route->is_monitor ()) {
2027                 return 0;
2028         }
2029
2030         using namespace Menu_Helpers;
2031         Menu* menu = manage (new Menu);
2032         MenuList& items = menu->items();
2033
2034         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2035                 if (!_route->internal_send_for (*r) && *r != _route) {
2036                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
2037                 }
2038         }
2039
2040         return menu;
2041 }
2042
2043 void
2044 ProcessorBox::show_processor_menu (int arg)
2045 {
2046         if (processor_menu == 0) {
2047                 processor_menu = build_processor_menu ();
2048                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
2049         }
2050
2051         /* Sort out the plugin submenu */
2052
2053         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
2054
2055         if (plugin_menu_item) {
2056                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
2057         }
2058
2059         /* And the aux submenu */
2060
2061         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
2062
2063         if (aux_menu_item) {
2064                 Menu* m = build_possible_aux_menu();
2065                 if (m && !m->items().empty()) {
2066                         aux_menu_item->set_submenu (*m);
2067                         aux_menu_item->set_sensitive (true);
2068                 } else {
2069                         /* stupid gtkmm: we need to pass a null reference here */
2070                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
2071                         aux_menu_item->set_sensitive (false);
2072                 }
2073         }
2074
2075         ActionManager::get_action (X_("ProcessorMenu"), "newinsert")->set_sensitive (!_route->is_monitor ());
2076         ActionManager::get_action (X_("ProcessorMenu"), "newsend")->set_sensitive (!_route->is_monitor ());
2077
2078         ProcessorEntry* single_selection = 0;
2079         if (processor_display.selection().size() == 1) {
2080                 single_selection = processor_display.selection().front();
2081         }
2082
2083         /* And the controls submenu */
2084
2085         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
2086
2087         if (controls_menu_item) {
2088                 if (single_selection) {
2089                         Menu* m = single_selection->build_controls_menu ();
2090                         if (m && !m->items().empty()) {
2091                                 controls_menu_item->set_submenu (*m);
2092                                 controls_menu_item->set_sensitive (true);
2093                         } else {
2094                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
2095                                 controls_menu_item->set_sensitive (false);
2096                         }
2097                 } else {
2098                         controls_menu_item->set_sensitive (false);
2099                 }
2100         }
2101
2102         Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
2103         if (send_menu_item) {
2104                 if (single_selection && !_route->is_monitor()) {
2105                         Menu* m = single_selection->build_send_options_menu ();
2106                         if (m && !m->items().empty()) {
2107                                 send_menu_item->set_submenu (*m);
2108                                 send_menu_item->set_sensitive (true);
2109                         } else {
2110                                 gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
2111                                 send_menu_item->set_sensitive (false);
2112                         }
2113                 } else {
2114                         send_menu_item->set_sensitive (false);
2115                 }
2116         }
2117
2118         /* Sensitise actions as approprioate */
2119
2120
2121         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
2122
2123         paste_action->set_sensitive (!_rr_selection.processors.empty());
2124         cut_action->set_sensitive (sensitive && can_cut ());
2125         copy_action->set_sensitive (sensitive);
2126         delete_action->set_sensitive (sensitive || stub_processor_selected ());
2127
2128         edit_action->set_sensitive (one_processor_can_be_edited ());
2129         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
2130
2131         boost::shared_ptr<PluginInsert> pi;
2132         if (single_selection) {
2133                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
2134         }
2135
2136         manage_pins_action->set_sensitive (pi != 0);
2137
2138         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
2139         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
2140
2141         /* disallow rename for multiple selections, for plugin inserts and for the fader */
2142         rename_action->set_sensitive (single_selection
2143                         && !pi
2144                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
2145                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
2146
2147         processor_menu->popup (1, arg);
2148
2149         /* Add a placeholder gap to the processor list to indicate where a processor would be
2150            inserted were one chosen from the menu.
2151         */
2152         int x, y;
2153         processor_display.get_pointer (x, y);
2154         _placement = processor_display.add_placeholder (y);
2155
2156         if (_visible_prefader_processors == 0 && _placement > 0) {
2157                 --_placement;
2158         }
2159 }
2160
2161 bool
2162 ProcessorBox::enter_notify (GdkEventCrossing*)
2163 {
2164         processor_display.grab_focus ();
2165         _current_processor_box = this;
2166         return false;
2167 }
2168
2169 bool
2170 ProcessorBox::leave_notify (GdkEventCrossing* ev)
2171 {
2172         if (ev->detail == GDK_NOTIFY_INFERIOR) {
2173                 return false;
2174         }
2175
2176         Widget* top = get_toplevel();
2177
2178         if (top->is_toplevel()) {
2179                 Window* win = dynamic_cast<Window*> (top);
2180                 gtk_window_set_focus (win->gobj(), 0);
2181         }
2182
2183         return false;
2184 }
2185
2186 bool
2187 ProcessorBox::processor_operation (ProcessorOperation op)
2188 {
2189         ProcSelection targets;
2190
2191         get_selected_processors (targets);
2192
2193 /*      if (targets.empty()) {
2194
2195                 int x, y;
2196                 processor_display.get_pointer (x, y);
2197
2198                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
2199
2200                 if (pointer.first && pointer.first->processor()) {
2201                         targets.push_back (pointer.first->processor ());
2202                 }
2203         }
2204 */
2205
2206         if ((op == ProcessorsDelete) && targets.empty()) {
2207                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
2208         }
2209
2210         switch (op) {
2211         case ProcessorsSelectAll:
2212                 processor_display.select_all ();
2213                 break;
2214
2215         case ProcessorsSelectNone:
2216                 processor_display.select_none ();
2217                 break;
2218
2219         case ProcessorsCopy:
2220                 copy_processors (targets);
2221                 break;
2222
2223         case ProcessorsCut:
2224                 cut_processors (targets);
2225                 break;
2226
2227         case ProcessorsPaste:
2228                 // some processors are not selectable (e.g fader, meter), target is empty.
2229                 if (targets.empty() && _placement >= 0) {
2230                         assert (_route);
2231                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
2232                         if (proc) {
2233                                 targets.push_back (proc);
2234                         }
2235                 }
2236                 if (targets.empty()) {
2237                         paste_processors ();
2238                 } else {
2239                         paste_processors (targets.front());
2240                 }
2241                 break;
2242
2243         case ProcessorsDelete:
2244                 delete_processors (targets);
2245                 break;
2246
2247         case ProcessorsToggleActive:
2248                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
2249                         if ((*i)->active()) {
2250                                 (*i)->deactivate ();
2251                         } else {
2252                                 (*i)->activate ();
2253                         }
2254                 }
2255                 break;
2256
2257         case ProcessorsAB:
2258                 ab_plugins ();
2259                 break;
2260
2261         default:
2262                 break;
2263         }
2264
2265         return true;
2266 }
2267
2268 ProcessorWindowProxy*
2269 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
2270 {
2271         return  processor->window_proxy();
2272 }
2273
2274
2275 bool
2276 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
2277 {
2278         boost::shared_ptr<Processor> processor;
2279         if (child) {
2280                 processor = child->processor ();
2281         }
2282
2283         int ret = false;
2284         bool selected = processor_display.selected (child);
2285
2286         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
2287
2288                 if (_session->engine().connected()) {
2289                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
2290
2291                         if (!one_processor_can_be_edited ()) {
2292                                 return true;
2293                         }
2294
2295                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
2296                                 generic_edit_processor (processor);
2297                         } else {
2298                                 edit_processor (processor);
2299                         }
2300                 }
2301
2302                 ret = true;
2303
2304         } else if (Keyboard::is_context_menu_event (ev)) {
2305
2306                 show_processor_menu (ev->time);
2307
2308                 ret = true;
2309
2310         } else if (processor && ev->button == 1 && selected) {
2311
2312                 // this is purely informational but necessary for route params UI
2313                 ProcessorSelected (processor); // emit
2314
2315         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
2316
2317                 choose_plugin ();
2318                 _get_plugin_selector()->show_manager ();
2319         }
2320
2321         return ret;
2322 }
2323
2324 bool
2325 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
2326 {
2327         boost::shared_ptr<Processor> processor;
2328         if (child) {
2329                 processor = child->processor ();
2330         }
2331
2332         if (processor && Keyboard::is_delete_event (ev)) {
2333
2334                 Glib::signal_idle().connect (sigc::bind (
2335                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
2336                                 boost::weak_ptr<Processor>(processor)));
2337
2338         } else if (processor && Keyboard::is_button2_event (ev)
2339 #ifndef __APPLE__
2340                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
2341 #endif
2342                 ) {
2343
2344                 /* button2-click with no/appropriate modifiers */
2345
2346                 if (processor->active()) {
2347                         processor->deactivate ();
2348                 } else {
2349                         processor->activate ();
2350                 }
2351         }
2352
2353         return false;
2354 }
2355
2356 Menu *
2357 ProcessorBox::build_processor_menu ()
2358 {
2359         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
2360         processor_menu->set_name ("ArdourContextMenu");
2361         return processor_menu;
2362 }
2363
2364 void
2365 ProcessorBox::select_all_processors ()
2366 {
2367         processor_display.select_all ();
2368 }
2369
2370 void
2371 ProcessorBox::deselect_all_processors ()
2372 {
2373         processor_display.select_none ();
2374 }
2375
2376 void
2377 ProcessorBox::choose_plugin ()
2378 {
2379         _get_plugin_selector()->set_interested_object (*this);
2380 }
2381
2382 /** @return true if an error occurred, otherwise false */
2383 bool
2384 ProcessorBox::choose_lua ()
2385 {
2386         LuaScriptInfoPtr spi;
2387
2388         ScriptSelector ss (_("Add Lua DSP Processor"), LuaScriptInfo::DSP);
2389         switch (ss.run ()) {
2390                 case Gtk::RESPONSE_ACCEPT:
2391                         spi = ss.script();
2392                         break;
2393                 default:
2394                         return true;
2395         }
2396         ss.hide ();
2397
2398         PluginPtr p;
2399         try {
2400                 LuaPluginInfoPtr lpi (new LuaPluginInfo(spi));
2401                 p = (lpi->load (*_session));
2402         } catch (...) {
2403                 string msg = _(
2404                                 "Failed to instantiate Lua DSP Processor,\n"
2405                                 "probably because the script is invalid (no dsp function).");
2406                 MessageDialog am (msg);
2407                 am.run ();
2408                 return true;
2409         }
2410
2411         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
2412
2413         Route::ProcessorStreams err_streams;
2414         if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2415                 string msg = _(
2416                                 "Failed to add Lua DSP Processor at the given position,\n"
2417                                 "probably because the I/O configuration of the plugins\n"
2418                                 "could not match the configuration of this track.");
2419                 MessageDialog am (msg);
2420                 am.run ();
2421         }
2422         return false;
2423 }
2424
2425 /** @return true if an error occurred, otherwise false */
2426 bool
2427 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
2428 {
2429         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
2430
2431                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
2432
2433                 Route::ProcessorStreams err_streams;
2434
2435                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2436                         weird_plugin_dialog (**p, err_streams);
2437                         return true;
2438                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
2439                 } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
2440                         if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
2441                                 ;
2442                         } else if (_session->engine().connected () && processor_can_be_edited (processor)) {
2443                                 if ((*p)->has_editor ()) {
2444                                         edit_processor (processor);
2445                                 } else {
2446                                         generic_edit_processor (processor);
2447                                 }
2448                         }
2449                 }
2450         }
2451
2452         return false;
2453 }
2454
2455 void
2456 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
2457 {
2458         ArdourDialog dialog (_("Plugin Incompatibility"));
2459         Label label;
2460
2461         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
2462                         p.name(), streams.index);
2463
2464         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
2465         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
2466
2467         text += _("\nThis plugin has:\n");
2468         if (has_midi) {
2469                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
2470                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
2471         }
2472         if (has_audio) {
2473                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
2474                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
2475         }
2476
2477         text += _("\nbut at the insertion point, there are:\n");
2478         if (has_midi) {
2479                 uint32_t const n = streams.count.n_midi ();
2480                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
2481         }
2482         if (has_audio) {
2483                 uint32_t const n = streams.count.n_audio ();
2484                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
2485         }
2486
2487         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
2488         label.set_text(text);
2489
2490         dialog.get_vbox()->pack_start (label);
2491         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2492
2493         dialog.set_name (X_("PluginIODialog"));
2494         dialog.set_modal (true);
2495         dialog.show_all ();
2496
2497         dialog.run ();
2498 }
2499
2500 void
2501 ProcessorBox::choose_insert ()
2502 {
2503         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
2504         _route->add_processor_by_index (processor, _placement);
2505 }
2506
2507 /* Caller must not hold process lock */
2508 void
2509 ProcessorBox::choose_send ()
2510 {
2511         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable (), _route->mute_master()));
2512
2513         /* make an educated guess at the initial number of outputs for the send */
2514         ChanCount outs = (_session->master_out())
2515                         ? _session->master_out()->n_outputs()
2516                         : _route->n_outputs();
2517
2518         /* XXX need processor lock on route */
2519         try {
2520                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
2521                 send->output()->ensure_io (outs, false, this);
2522         } catch (AudioEngine::PortRegistrationFailure& err) {
2523                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
2524                 return;
2525         }
2526
2527         /* let the user adjust the IO setup before creation.
2528
2529            Note: this dialog is NOT modal - we just leave it to run and it will
2530            return when its Finished signal is emitted - typically when the window
2531            is closed.
2532          */
2533
2534         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
2535         ios->show ();
2536
2537         /* keep a reference to the send so it doesn't get deleted while
2538            the IOSelectorWindow is doing its stuff
2539         */
2540         _processor_being_created = send;
2541
2542         ios->selector().Finished.connect (sigc::bind (
2543                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
2544                         boost::weak_ptr<Processor>(send), ios));
2545
2546 }
2547
2548 void
2549 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2550 {
2551         boost::shared_ptr<Processor> processor (weak_processor.lock());
2552
2553         /* drop our temporary reference to the new send */
2554         _processor_being_created.reset ();
2555
2556         if (!processor) {
2557                 return;
2558         }
2559
2560         switch (r) {
2561         case IOSelector::Cancelled:
2562                 // processor will go away when all shared_ptrs to it vanish
2563                 break;
2564
2565         case IOSelector::Accepted:
2566                 _route->add_processor_by_index (processor, _placement);
2567                 break;
2568         }
2569
2570         delete_when_idle (ios);
2571 }
2572
2573 void
2574 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2575 {
2576         boost::shared_ptr<Processor> processor (weak_processor.lock());
2577
2578         /* drop our temporary reference to the new return */
2579         _processor_being_created.reset ();
2580
2581         if (!processor) {
2582                 return;
2583         }
2584
2585         switch (r) {
2586         case IOSelector::Cancelled:
2587                 // processor will go away when all shared_ptrs to it vanish
2588                 break;
2589
2590         case IOSelector::Accepted:
2591                 _route->add_processor_by_index (processor, _placement);
2592                 break;
2593         }
2594
2595         delete_when_idle (ios);
2596 }
2597
2598 void
2599 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
2600 {
2601         if (!_route) {
2602                 return;
2603         }
2604
2605         boost::shared_ptr<Route> target = wr.lock();
2606
2607         if (!target) {
2608                 return;
2609         }
2610
2611         _session->add_internal_send (target, _placement, _route);
2612 }
2613
2614 void
2615 ProcessorBox::route_processors_changed (RouteProcessorChange c)
2616 {
2617         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
2618                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
2619                 return;
2620         }
2621
2622         redisplay_processors ();
2623 }
2624
2625 void
2626 ProcessorBox::redisplay_processors ()
2627 {
2628         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
2629         bool     fader_seen;
2630
2631         if (no_processor_redisplay) {
2632                 return;
2633         }
2634
2635         processor_display.clear ();
2636
2637         _visible_prefader_processors = 0;
2638         fader_seen = false;
2639
2640         _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &ProcessorBox::help_count_visible_prefader_processors),
2641                                                &_visible_prefader_processors, &fader_seen));
2642
2643         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
2644         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
2645         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
2646
2647         setup_entry_positions ();
2648 }
2649
2650 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
2651  *  not already have one.
2652  */
2653 void
2654 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
2655 {
2656         boost::shared_ptr<Processor> p = w.lock ();
2657         if (!p) {
2658                 return;
2659         }
2660         if (p->window_proxy()) {
2661                 return;
2662         }
2663
2664         /* not on the list; add it */
2665
2666         string loc;
2667 #if 0 // is this still needed? Why?
2668         if (_parent_strip) {
2669                 if (_parent_strip->mixer_owned()) {
2670                         loc = X_("M");
2671                 } else {
2672                         loc = X_("R");
2673                 }
2674         } else {
2675                 loc = X_("P");
2676         }
2677 #else
2678         loc = X_("P");
2679 #endif
2680
2681         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
2682                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
2683                 this,
2684                 w);
2685
2686         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2687
2688         if (ui_xml) {
2689                 wp->set_state (*ui_xml, 0);
2690         }
2691
2692         void* existing_ui = p->get_ui ();
2693
2694         if (existing_ui) {
2695                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
2696         }
2697
2698         p->set_window_proxy (wp);
2699         WM::Manager::instance().register_window (wp);
2700 }
2701
2702 void
2703 ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
2704 {
2705         boost::shared_ptr<Processor> p = w.lock ();
2706         if (!p || p->pinmgr_proxy ()) {
2707                 return;
2708         }
2709
2710         PluginPinWindowProxy* wp = new PluginPinWindowProxy (
2711                         string_compose ("PM-%2-%3", _route->id(), p->id()), w);
2712         wp->set_session (_session);
2713
2714         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2715         if (ui_xml) {
2716                 wp->set_state (*ui_xml, 0);
2717         }
2718
2719         void* existing_ui = p->get_ui ();
2720
2721         if (existing_ui) {
2722                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
2723         }
2724
2725         p->set_pingmgr_proxy (wp);
2726         WM::Manager::instance().register_window (wp);
2727 }
2728 void
2729 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
2730 {
2731         boost::shared_ptr<Processor> processor (p.lock ());
2732
2733         if (processor && ( processor->display_to_user()
2734 #ifndef NDEBUG
2735                             || show_all_processors
2736 #endif
2737                          )
2738            ) {
2739
2740                 if (boost::dynamic_pointer_cast<Amp>(processor) &&
2741                     boost::dynamic_pointer_cast<Amp>(processor)->gain_control()->parameter().type() == GainAutomation) {
2742                         *amp_seen = true;
2743                 } else {
2744                         if (!*amp_seen) {
2745                                 (*cnt)++;
2746                         }
2747                 }
2748         }
2749 }
2750
2751 void
2752 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
2753 {
2754         boost::shared_ptr<Processor> processor (p.lock ());
2755
2756         if (!processor || ( !processor->display_to_user()
2757 #ifndef NDEBUG
2758                             && !show_all_processors
2759 #endif
2760                           )
2761            ) {
2762                 return;
2763         }
2764
2765         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
2766
2767         ProcessorEntry* e = 0;
2768         if (plugin_insert) {
2769                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
2770         } else {
2771                 e = new ProcessorEntry (this, processor, _width);
2772         }
2773
2774         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2775         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
2776         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
2777
2778         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
2779         if (!send && !plugin_insert && !ext && !stub)
2780                 e->set_selectable(false);
2781
2782         bool mark_send_visible = false;
2783         if (send && _parent_strip) {
2784                 /* show controls of new sends by default */
2785                 GUIObjectState& st = _parent_strip->gui_object_state ();
2786                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2787                 assert (strip);
2788                 /* check if state exists, if not it must be a new send */
2789                 if (!st.get_node(strip, e->state_id())) {
2790                         mark_send_visible = true;
2791                 }
2792         }
2793
2794         /* Set up this entry's state from the GUIObjectState */
2795         XMLNode* proc = entry_gui_object_state (e);
2796         if (proc) {
2797                 e->set_control_state (proc);
2798         }
2799
2800         if (mark_send_visible) {
2801                 e->show_all_controls ();
2802         }
2803
2804         if (plugin_insert
2805 #ifdef MIXBUS
2806                         && !plugin_insert->plugin(0)->is_channelstrip()
2807 #endif
2808                  )
2809         {
2810                 processor_display.add_child (e, drag_targets());
2811         } else {
2812                 processor_display.add_child (e, drag_targets_noplugin());
2813         }
2814 }
2815
2816 void
2817 ProcessorBox::reordered ()
2818 {
2819         compute_processor_sort_keys ();
2820         setup_entry_positions ();
2821 }
2822
2823 void
2824 ProcessorBox::setup_routing_feeds ()
2825 {
2826         list<ProcessorEntry*> children = processor_display.children ();
2827         /* first set the i/o maps for every processor */
2828         list<ProcessorEntry*>::iterator prev = children.begin();
2829
2830         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2831                 boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
2832                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
2833
2834                 list<ProcessorEntry*>::iterator next = i;
2835                 next++;
2836
2837                 if (pi) {
2838                         ChanCount sinks = pi->natural_input_streams ();
2839                         ChanCount sources = pi->natural_output_streams ();
2840                         uint32_t count = pi->get_count ();
2841                         ChanCount in, out;
2842                         pi->configured_io (in, out);
2843
2844                         ChanCount midi_thru;
2845                         ChanCount midi_bypass;
2846                         ChanMapping input_map (pi->input_map ());
2847                         if (pi->has_midi_thru ()) {
2848                                  midi_thru.set(DataType::MIDI, 1);
2849                                  input_map.set (DataType::MIDI, 0, 0);
2850                         }
2851                         if (pi->has_midi_bypass ()) {
2852                                  midi_bypass.set(DataType::MIDI, 1);
2853                         }
2854
2855                         (*i)->input_icon.set_ports (sinks * count + midi_thru);
2856                         (*i)->output_icon.set_ports (sources * count + midi_bypass);
2857
2858                         (*i)->routing_icon.set (
2859                                         in, out,
2860                                         sinks * count + midi_thru,
2861                                         sources * count + midi_bypass,
2862                                         input_map,
2863                                         pi->output_map (),
2864                                         pi->thru_map ());
2865
2866                         if (next != children.end()) {
2867                                 (*next)->routing_icon.set_fed_by (out, sources * count + midi_bypass,
2868                                                 pi->output_map (), pi->thru_map ());
2869                         }
2870
2871                         if (prev != i) {
2872                                 (*prev)->routing_icon.set_feeding (in, sinks * count + midi_thru,
2873                                                 pi->input_map (), pi->thru_map ());
2874                         }
2875
2876                 } else {
2877                         (*i)->input_icon.set_ports (p->input_streams());
2878                         (*i)->output_icon.set_ports (p->output_streams());
2879                         ChanMapping inmap (p->input_streams ());
2880                         ChanMapping outmap (p->input_streams ());
2881                         ChanMapping thrumap;
2882                         (*i)->routing_icon.set (
2883                                         p->input_streams(),
2884                                         p->output_streams(),
2885                                         p->input_streams(),
2886                                         p->output_streams(),
2887                                         inmap, outmap, thrumap);
2888
2889                         if (next != children.end()) {
2890                                 (*next)->routing_icon.set_fed_by (
2891                                                 p->output_streams(),
2892                                                 p->output_streams(),
2893                                                 outmap, thrumap);
2894                         }
2895                         if (prev != i) {
2896                                 (*prev)->routing_icon.set_feeding (
2897                                                 p->input_streams(),
2898                                                 p->output_streams(),
2899                                                 inmap, thrumap);
2900                         }
2901                 }
2902
2903                 if (i == children.begin()) {
2904                         (*i)->routing_icon.unset_fed_by ();
2905                 }
2906                 prev = i;
2907                 (*i)->input_icon.hide();
2908         }
2909
2910         /* now set which icons need to be displayed */
2911         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2912                 (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
2913
2914                 if ((*i)->routing_icon.in_identity ()) {
2915                         (*i)->routing_icon.hide();
2916                         if (i == children.begin()) {
2917                                 (*i)->input_icon.show();
2918                         }
2919                 } else {
2920                         (*i)->routing_icon.show();
2921                         (*i)->routing_icon.queue_draw();
2922                         (*i)->input_icon.show();
2923                 }
2924
2925                 list<ProcessorEntry*>::iterator next = i;
2926                 if (++next == children.end()) {
2927                         // last processor in the chain
2928                         (*i)->output_routing_icon.set_terminal(true);
2929                         (*i)->output_routing_icon.unset_feeding ();
2930                         if ((*i)->routing_icon.out_identity ()) {
2931                                 (*i)->output_routing_icon.hide();
2932                         } else {
2933                                 (*i)->output_routing_icon.show();
2934                                 (*i)->output_routing_icon.queue_draw();
2935                         }
2936                 } else {
2937                         (*i)->output_routing_icon.set_terminal(false);
2938                         if (!(*i)->routing_icon.out_identity ()
2939                                         && !(*i)->routing_icon.in_identity ()
2940                                         && (*i)->routing_icon.can_coalesce ()) {
2941                                 (*i)->output_routing_icon.hide();
2942                         } else if (!(*i)->routing_icon.out_identity ()) {
2943                                 (*i)->output_routing_icon.show();
2944                                 (*i)->output_routing_icon.queue_draw();
2945                                 (*next)->input_icon.show();
2946                         } else {
2947                                 (*i)->output_routing_icon.hide();
2948                         }
2949                 }
2950         }
2951 }
2952
2953 void
2954 ProcessorBox::setup_entry_positions ()
2955 {
2956         list<ProcessorEntry*> children = processor_display.children ();
2957         bool pre_fader = true;
2958
2959         uint32_t num = 0;
2960         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2961                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor()) &&
2962                     boost::dynamic_pointer_cast<Amp>((*i)->processor())->gain_control()->parameter().type() == GainAutomation) {
2963                         pre_fader = false;
2964                         (*i)->set_position (ProcessorEntry::Fader, num++);
2965                 } else {
2966                         if (pre_fader) {
2967                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
2968                         } else {
2969                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
2970                         }
2971                 }
2972         }
2973         setup_routing_feeds ();
2974 }
2975
2976 void
2977 ProcessorBox::compute_processor_sort_keys ()
2978 {
2979         list<ProcessorEntry*> children = processor_display.children ();
2980         Route::ProcessorList our_processors;
2981
2982         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2983                 if ((*i)->processor()) {
2984                         our_processors.push_back ((*i)->processor ());
2985                 }
2986         }
2987
2988         if (_route->reorder_processors (our_processors)) {
2989                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
2990                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
2991                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
2992                    when the drag is torn down after this handler function is finished.
2993                 */
2994                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
2995         }
2996 }
2997
2998 void
2999 ProcessorBox::report_failed_reorder ()
3000 {
3001         /* reorder failed, so redisplay */
3002
3003         redisplay_processors ();
3004
3005         /* now tell them about the problem */
3006
3007         ArdourDialog dialog (_("Plugin Incompatibility"));
3008         Label label;
3009
3010         label.set_text (_("\
3011 You cannot reorder these plugins/sends/inserts\n\
3012 in that way because the inputs and\n\
3013 outputs will not work correctly."));
3014
3015         dialog.get_vbox()->set_border_width (12);
3016         dialog.get_vbox()->pack_start (label);
3017         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
3018
3019         dialog.set_name (X_("PluginIODialog"));
3020         dialog.set_modal (true);
3021         dialog.show_all ();
3022
3023         dialog.run ();
3024 }
3025
3026 void
3027 ProcessorBox::rename_processors ()
3028 {
3029         ProcSelection to_be_renamed;
3030
3031         get_selected_processors (to_be_renamed);
3032
3033         if (to_be_renamed.empty()) {
3034                 return;
3035         }
3036
3037         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
3038                 rename_processor (*i);
3039         }
3040 }
3041
3042 bool
3043 ProcessorBox::can_cut () const
3044 {
3045         vector<boost::shared_ptr<Processor> > sel;
3046
3047         get_selected_processors (sel);
3048
3049         /* cut_processors () does not cut inserts */
3050
3051         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3052
3053                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3054                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3055                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3056                         return true;
3057                 }
3058         }
3059
3060         return false;
3061 }
3062
3063 bool
3064 ProcessorBox::stub_processor_selected () const
3065 {
3066         vector<boost::shared_ptr<Processor> > sel;
3067
3068         get_selected_processors (sel);
3069
3070         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3071                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
3072                         return true;
3073                 }
3074         }
3075
3076         return false;
3077 }
3078
3079 void
3080 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
3081 {
3082         if (to_be_removed.empty()) {
3083                 return;
3084         }
3085
3086         XMLNode* node = new XMLNode (X_("cut"));
3087         Route::ProcessorList to_cut;
3088
3089         no_processor_redisplay = true;
3090         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
3091                 // Cut only plugins, sends and returns
3092                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3093                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3094                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3095
3096                         Window* w = get_processor_ui (*i);
3097
3098                         if (w) {
3099                                 w->hide ();
3100                         }
3101
3102                         XMLNode& child ((*i)->get_state());
3103                         node->add_child_nocopy (child);
3104                         to_cut.push_back (*i);
3105                 }
3106         }
3107
3108         if (_route->remove_processors (to_cut) != 0) {
3109                 delete node;
3110                 no_processor_redisplay = false;
3111                 return;
3112         }
3113
3114         _rr_selection.set (node);
3115
3116         no_processor_redisplay = false;
3117         redisplay_processors ();
3118 }
3119
3120 void
3121 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
3122 {
3123         if (to_be_copied.empty()) {
3124                 return;
3125         }
3126
3127         XMLNode* node = new XMLNode (X_("copy"));
3128
3129         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
3130                 // Copy only plugins, sends, returns
3131                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3132                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3133                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3134                         node->add_child_nocopy ((*i)->get_state());
3135                 }
3136         }
3137
3138         _rr_selection.set (node);
3139 }
3140
3141 void
3142 ProcessorBox::delete_processors (const ProcSelection& targets)
3143 {
3144         if (targets.empty()) {
3145                 return;
3146         }
3147
3148         no_processor_redisplay = true;
3149
3150         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
3151
3152                 Window* w = get_processor_ui (*i);
3153
3154                 if (w) {
3155                         w->hide ();
3156                 }
3157
3158                 _route->remove_processor(*i);
3159         }
3160
3161         no_processor_redisplay = false;
3162         redisplay_processors ();
3163 }
3164
3165 void
3166 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
3167 {
3168         list<boost::shared_ptr<Processor> >::const_iterator x;
3169
3170         no_processor_redisplay = true;
3171         for (x = procs.begin(); x != procs.end(); ++x) {
3172
3173                 Window* w = get_processor_ui (*x);
3174
3175                 if (w) {
3176                         w->hide ();
3177                 }
3178
3179                 _route->remove_processor(*x);
3180         }
3181
3182         no_processor_redisplay = false;
3183         redisplay_processors ();
3184 }
3185
3186 gint
3187 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
3188 {
3189         boost::shared_ptr<Processor> processor (weak_processor.lock());
3190
3191         if (!processor) {
3192                 return false;
3193         }
3194
3195         /* NOT copied to _mixer.selection() */
3196
3197         no_processor_redisplay = true;
3198         _route->remove_processor (processor);
3199         no_processor_redisplay = false;
3200         redisplay_processors ();
3201
3202         return false;
3203 }
3204
3205 void
3206 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
3207 {
3208         ArdourPrompter name_prompter (true);
3209         string result;
3210         name_prompter.set_title (_("Rename Processor"));
3211         name_prompter.set_prompt (_("New name:"));
3212         name_prompter.set_initial_text (processor->name());
3213         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
3214         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
3215         name_prompter.show_all ();
3216
3217         switch (name_prompter.run ()) {
3218
3219         case Gtk::RESPONSE_ACCEPT:
3220                 name_prompter.get_result (result);
3221                 if (result.length()) {
3222
3223                        int tries = 0;
3224                        string test = result;
3225
3226                        while (tries < 100) {
3227                                if (_session->io_name_is_legal (test)) {
3228                                        result = test;
3229                                        break;
3230                                }
3231                                tries++;
3232
3233                                test = string_compose ("%1-%2", result, tries);
3234                        }
3235
3236                        if (tries < 100) {
3237                                processor->set_name (result);
3238                        } else {
3239                                /* unlikely! */
3240                                ARDOUR_UI::instance()->popup_error
3241                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
3242                        }
3243                 }
3244                 break;
3245         }
3246
3247         return;
3248 }
3249
3250 void
3251 ProcessorBox::paste_processors ()
3252 {
3253         if (_rr_selection.processors.empty()) {
3254                 return;
3255         }
3256
3257         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
3258 }
3259
3260 void
3261 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
3262 {
3263
3264         if (_rr_selection.processors.empty()) {
3265                 return;
3266         }
3267
3268         paste_processor_state (_rr_selection.processors.get_node().children(), before);
3269 }
3270
3271 void
3272 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
3273 {
3274         XMLNodeConstIterator niter;
3275         list<boost::shared_ptr<Processor> > copies;
3276
3277         if (nlist.empty()) {
3278                 return;
3279         }
3280
3281         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
3282
3283                 XMLProperty const * type = (*niter)->property ("type");
3284                 XMLProperty const * role = (*niter)->property ("role");
3285                 assert (type);
3286
3287                 boost::shared_ptr<Processor> p;
3288                 try {
3289                         if (type->value() == "meter" ||
3290                             type->value() == "main-outs" ||
3291                             type->value() == "amp" ||
3292                             type->value() == "intreturn") {
3293                                 /* do not paste meter, main outs, amp or internal returns */
3294                                 continue;
3295
3296                         } else if (type->value() == "intsend") {
3297
3298                                 /* aux sends are OK, but those used for
3299                                  * other purposes, are not.
3300                                  */
3301
3302                                 assert (role);
3303
3304                                 if (role->value() != "Aux") {
3305                                         continue;
3306                                 }
3307
3308                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3309                                 XMLNode n (**niter);
3310                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
3311                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
3312
3313                                 IOProcessor::prepare_for_reset (n, s->name());
3314
3315                                 if (s->set_state (n, Stateful::loading_state_version)) {
3316                                         delete s;
3317                                         return;
3318                                 }
3319
3320                                 p.reset (s);
3321
3322                         } else if (type->value() == "send") {
3323
3324                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3325                                 XMLNode n (**niter);
3326
3327                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
3328
3329                                 IOProcessor::prepare_for_reset (n, s->name());
3330
3331                                 if (s->set_state (n, Stateful::loading_state_version)) {
3332                                         delete s;
3333                                         return;
3334                                 }
3335
3336                                 p.reset (s);
3337
3338                         } else if (type->value() == "return") {
3339
3340                                 XMLNode n (**niter);
3341                                 Return* r = new Return (*_session);
3342
3343                                 IOProcessor::prepare_for_reset (n, r->name());
3344
3345                                 if (r->set_state (n, Stateful::loading_state_version)) {
3346                                         delete r;
3347                                         return;
3348                                 }
3349
3350                                 p.reset (r);
3351
3352                         } else if (type->value() == "port") {
3353
3354                                 XMLNode n (**niter);
3355                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
3356
3357                                 IOProcessor::prepare_for_reset (n, pi->name());
3358
3359                                 if (pi->set_state (n, Stateful::loading_state_version)) {
3360                                         return;
3361                                 }
3362
3363                                 p.reset (pi);
3364                         } else {
3365                                 /* XXX its a bit limiting to assume that everything else
3366                                    is a plugin.
3367                                 */
3368                                 p.reset (new PluginInsert (*_session));
3369                                 /* we can't use RAII Stateful::ForceIDRegeneration
3370                                  * because that'd void copying the state and wrongly bump
3371                                  * the state-version counter.
3372                                  * we need to load the state (incl external files) first and
3373                                  * only then update the ID)
3374                                  */
3375                                 PBD::ID id = p->id();
3376                                 /* strip side-chain state (processor inside processor must be a side-chain)
3377                                  * otherwise we'll end up with duplicate ports-names.
3378                                  * (this needs a better solution which retains connections)
3379                                  * We really would want Stateful::ForceIDRegeneration here :(
3380                                  */
3381                                 XMLNode state (**niter);
3382                                 state.remove_nodes ("Processor");
3383
3384                                 p->set_state (state, Stateful::current_state_version);
3385                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
3386                         }
3387
3388                         copies.push_back (p);
3389                 }
3390
3391                 catch (...) {
3392                         error << _("plugin insert constructor failed") << endmsg;
3393                 }
3394         }
3395
3396         if (copies.empty()) {
3397                 return;
3398         }
3399
3400         if (_route->add_processors (copies, p)) {
3401
3402                 string msg = _(
3403                         "Copying the set of processors on the clipboard failed,\n\
3404 probably because the I/O configuration of the plugins\n\
3405 could not match the configuration of this track.");
3406                 MessageDialog am (msg);
3407                 am.run ();
3408         }
3409 }
3410
3411 void
3412 ProcessorBox::get_selected_processors (ProcSelection& processors) const
3413 {
3414         const list<ProcessorEntry*> selection = processor_display.selection ();
3415         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
3416                 processors.push_back ((*i)->processor ());
3417         }
3418 }
3419
3420 void
3421 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
3422 {
3423         list<ProcessorEntry*> selection = processor_display.selection ();
3424         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
3425                 (this->*method) ((*i)->processor ());
3426         }
3427 }
3428
3429 void
3430 ProcessorBox::all_visible_processors_active (bool state)
3431 {
3432         _route->all_visible_processors_active (state);
3433 }
3434
3435 void
3436 ProcessorBox::ab_plugins ()
3437 {
3438         _route->ab_plugins (ab_direction);
3439         ab_direction = !ab_direction;
3440 }
3441
3442
3443 void
3444 ProcessorBox::clear_processors ()
3445 {
3446         string prompt;
3447         vector<string> choices;
3448
3449         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
3450                                    "(this cannot be undone)"), _route->name());
3451
3452         choices.push_back (_("Cancel"));
3453         choices.push_back (_("Yes, remove them all"));
3454
3455         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3456
3457         if (prompter.run () == 1) {
3458                 _route->clear_processors (PreFader);
3459                 _route->clear_processors (PostFader);
3460         }
3461 }
3462
3463 void
3464 ProcessorBox::clear_processors (Placement p)
3465 {
3466         string prompt;
3467         vector<string> choices;
3468
3469         if (p == PreFader) {
3470                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
3471                                            "(this cannot be undone)"), _route->name());
3472         } else {
3473                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
3474                                            "(this cannot be undone)"), _route->name());
3475         }
3476
3477         choices.push_back (_("Cancel"));
3478         choices.push_back (_("Yes, remove them all"));
3479
3480         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3481
3482         if (prompter.run () == 1) {
3483                 _route->clear_processors (p);
3484         }
3485 }
3486
3487 bool
3488 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
3489 {
3490         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
3491         if (at && at->freeze_state() == AudioTrack::Frozen) {
3492                 return false;
3493         }
3494
3495         if (
3496                 boost::dynamic_pointer_cast<Send> (processor) ||
3497                 boost::dynamic_pointer_cast<Return> (processor) ||
3498                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
3499                 boost::dynamic_pointer_cast<PortInsert> (processor)
3500                 ) {
3501                 return true;
3502         }
3503
3504         return false;
3505 }
3506
3507 bool
3508 ProcessorBox::one_processor_can_be_edited ()
3509 {
3510         list<ProcessorEntry*> selection = processor_display.selection ();
3511         list<ProcessorEntry*>::iterator i = selection.begin();
3512         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
3513                 ++i;
3514         }
3515
3516         return (i != selection.end());
3517 }
3518
3519 Gtk::Window*
3520 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
3521 {
3522         boost::shared_ptr<Send> send;
3523         boost::shared_ptr<InternalSend> internal_send;
3524         boost::shared_ptr<Return> retrn;
3525         boost::shared_ptr<PluginInsert> plugin_insert;
3526         boost::shared_ptr<PortInsert> port_insert;
3527         Window* gidget = 0;
3528
3529         /* This method may or may not return a Window, but if it does not it
3530          * will modify the parent mixer strip appearance layout to allow
3531          * "editing" the @param processor that was passed in.
3532          *
3533          * So for example, if the processor is an Amp (gain), the parent strip
3534          * will be forced back into a model where the fader controls the main gain.
3535          * If the processor is a send, then we map the send controls onto the
3536          * strip.
3537          *
3538          * Plugins and others will return a window for control.
3539          */
3540
3541         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
3542
3543                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
3544                         return 0;
3545                 }
3546         }
3547
3548         if (boost::dynamic_pointer_cast<Amp> (processor) && boost::dynamic_pointer_cast<Amp> (processor)->gain_control()->parameter().type() == GainAutomation) {
3549
3550                 if (_parent_strip) {
3551                         _parent_strip->revert_to_default_display ();
3552                 }
3553
3554         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3555
3556                 if (!_session->engine().connected()) {
3557                         return 0;
3558                 }
3559
3560                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3561
3562                         gidget = new SendUIWindow (send, _session);
3563                 }
3564
3565         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
3566
3567                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
3568                         /* no GUI for these */
3569                         return 0;
3570                 }
3571
3572                 if (!_session->engine().connected()) {
3573                         return 0;
3574                 }
3575
3576                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
3577
3578                 ReturnUIWindow *return_ui;
3579                 Window* w = get_processor_ui (retrn);
3580
3581                 if (w == 0) {
3582
3583                         return_ui = new ReturnUIWindow (retrn, _session);
3584                         return_ui->set_title (retrn->name ());
3585                         set_processor_ui (send, return_ui);
3586
3587                 } else {
3588                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
3589                 }
3590
3591                 gidget = return_ui;
3592
3593         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3594
3595                 PluginUIWindow *plugin_ui;
3596
3597                 /* these are both allowed to be null */
3598
3599                 Window* w = get_processor_ui (plugin_insert);
3600
3601                 if (w == 0) {
3602                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
3603                         plugin_ui->set_title (generate_processor_title (plugin_insert));
3604                         set_processor_ui (plugin_insert, plugin_ui);
3605
3606                 } else {
3607                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
3608                 }
3609
3610                 gidget = plugin_ui;
3611
3612         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
3613
3614                 if (!_session->engine().connected()) {
3615                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
3616                         msg.run ();
3617                         return 0;
3618                 }
3619
3620                 PortInsertWindow *io_selector;
3621
3622                 Window* w = get_processor_ui (port_insert);
3623
3624                 if (w == 0) {
3625                         io_selector = new PortInsertWindow (_session, port_insert);
3626                         set_processor_ui (port_insert, io_selector);
3627
3628                 } else {
3629                         io_selector = dynamic_cast<PortInsertWindow *> (w);
3630                 }
3631
3632                 gidget = io_selector;
3633         }
3634
3635         return gidget;
3636 }
3637
3638 Gtk::Window*
3639 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
3640 {
3641         boost::shared_ptr<PluginInsert> plugin_insert
3642                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
3643
3644         if (!plugin_insert) {
3645                 return 0;
3646         }
3647
3648         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
3649         win->set_title (generate_processor_title (plugin_insert));
3650
3651         return win;
3652 }
3653
3654 void
3655 ProcessorBox::register_actions ()
3656 {
3657         processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
3658
3659         Glib::RefPtr<Action> act;
3660
3661         /* new stuff */
3662         myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
3663                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
3664
3665         act = myactions.register_action (processor_box_actions, X_("newlua"), _("New Lua DSP"),
3666                         sigc::ptr_fun (ProcessorBox::rb_choose_lua));
3667         act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
3668                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
3669         ActionManager::engine_sensitive_actions.push_back (act);
3670         act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
3671                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
3672         ActionManager::engine_sensitive_actions.push_back (act);
3673
3674         myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
3675
3676         myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
3677         myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
3678
3679         myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
3680                         sigc::ptr_fun (ProcessorBox::rb_clear));
3681         myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
3682                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
3683         myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
3684                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
3685
3686         /* standard editing stuff */
3687
3688         cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
3689                                                             sigc::ptr_fun (ProcessorBox::rb_cut));
3690         copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
3691                                                              sigc::ptr_fun (ProcessorBox::rb_copy));
3692         delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
3693                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3694
3695         ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
3696         ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
3697         ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
3698
3699         paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
3700                         sigc::ptr_fun (ProcessorBox::rb_paste));
3701         rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
3702                         sigc::ptr_fun (ProcessorBox::rb_rename));
3703         myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
3704                         sigc::ptr_fun (ProcessorBox::rb_select_all));
3705         myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
3706                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
3707
3708         /* activation etc. */
3709
3710         myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
3711                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
3712         myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
3713                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
3714         myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
3715                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
3716
3717         manage_pins_action = myactions.register_action (
3718                 processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
3719                 sigc::ptr_fun (ProcessorBox::rb_manage_pins));
3720
3721         /* show editors */
3722         edit_action = myactions.register_action (
3723                 processor_box_actions, X_("edit"), _("Edit..."),
3724                 sigc::ptr_fun (ProcessorBox::rb_edit));
3725
3726         edit_generic_action = myactions.register_action (
3727                 processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
3728                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
3729
3730         load_bindings ();
3731 }
3732
3733 void
3734 ProcessorBox::rb_edit_generic ()
3735 {
3736         if (_current_processor_box == 0) {
3737                 return;
3738         }
3739
3740         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
3741 }
3742
3743 void
3744 ProcessorBox::rb_ab_plugins ()
3745 {
3746         if (_current_processor_box == 0) {
3747                 return;
3748         }
3749
3750         _current_processor_box->ab_plugins ();
3751 }
3752
3753 void
3754 ProcessorBox::rb_manage_pins ()
3755 {
3756         if (_current_processor_box == 0) {
3757                 return;
3758         }
3759
3760         _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
3761 }
3762 void
3763 ProcessorBox::rb_choose_plugin ()
3764 {
3765         if (_current_processor_box == 0) {
3766                 return;
3767         }
3768         _current_processor_box->choose_plugin ();
3769 }
3770
3771 void
3772 ProcessorBox::rb_choose_lua ()
3773 {
3774         if (_current_processor_box == 0) {
3775                 return;
3776         }
3777         _current_processor_box->choose_lua ();
3778 }
3779
3780 void
3781 ProcessorBox::rb_choose_insert ()
3782 {
3783         if (_current_processor_box == 0) {
3784                 return;
3785         }
3786         _current_processor_box->choose_insert ();
3787 }
3788
3789 void
3790 ProcessorBox::rb_choose_send ()
3791 {
3792         if (_current_processor_box == 0) {
3793                 return;
3794         }
3795         _current_processor_box->choose_send ();
3796 }
3797
3798 void
3799 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
3800 {
3801         if (_current_processor_box == 0) {
3802                 return;
3803         }
3804
3805         _current_processor_box->choose_aux (wr);
3806 }
3807
3808 void
3809 ProcessorBox::rb_clear ()
3810 {
3811         if (_current_processor_box == 0) {
3812                 return;
3813         }
3814
3815         _current_processor_box->clear_processors ();
3816 }
3817
3818
3819 void
3820 ProcessorBox::rb_clear_pre ()
3821 {
3822         if (_current_processor_box == 0) {
3823                 return;
3824         }
3825
3826         _current_processor_box->clear_processors (PreFader);
3827 }
3828
3829
3830 void
3831 ProcessorBox::rb_clear_post ()
3832 {
3833         if (_current_processor_box == 0) {
3834                 return;
3835         }
3836
3837         _current_processor_box->clear_processors (PostFader);
3838 }
3839
3840 void
3841 ProcessorBox::rb_cut ()
3842 {
3843         if (_current_processor_box == 0) {
3844                 return;
3845         }
3846
3847         _current_processor_box->processor_operation (ProcessorsCut);
3848 }
3849
3850 void
3851 ProcessorBox::rb_delete ()
3852 {
3853         if (_current_processor_box == 0) {
3854                 return;
3855         }
3856
3857         _current_processor_box->processor_operation (ProcessorsDelete);
3858 }
3859
3860 void
3861 ProcessorBox::rb_copy ()
3862 {
3863         if (_current_processor_box == 0) {
3864                 return;
3865         }
3866         _current_processor_box->processor_operation (ProcessorsCopy);
3867 }
3868
3869 void
3870 ProcessorBox::rb_paste ()
3871 {
3872         if (_current_processor_box == 0) {
3873                 return;
3874         }
3875
3876         _current_processor_box->processor_operation (ProcessorsPaste);
3877 }
3878
3879 void
3880 ProcessorBox::rb_rename ()
3881 {
3882         if (_current_processor_box == 0) {
3883                 return;
3884         }
3885         _current_processor_box->rename_processors ();
3886 }
3887
3888 void
3889 ProcessorBox::rb_select_all ()
3890 {
3891         if (_current_processor_box == 0) {
3892                 return;
3893         }
3894
3895         _current_processor_box->processor_operation (ProcessorsSelectAll);
3896 }
3897
3898 void
3899 ProcessorBox::rb_deselect_all ()
3900 {
3901         if (_current_processor_box == 0) {
3902                 return;
3903         }
3904
3905         _current_processor_box->deselect_all_processors ();
3906 }
3907
3908 void
3909 ProcessorBox::rb_activate_all ()
3910 {
3911         if (_current_processor_box == 0) {
3912                 return;
3913         }
3914
3915         _current_processor_box->all_visible_processors_active (true);
3916 }
3917
3918 void
3919 ProcessorBox::rb_deactivate_all ()
3920 {
3921         if (_current_processor_box == 0) {
3922                 return;
3923         }
3924         _current_processor_box->all_visible_processors_active (false);
3925 }
3926
3927 void
3928 ProcessorBox::rb_edit ()
3929 {
3930         if (_current_processor_box == 0) {
3931                 return;
3932         }
3933
3934         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
3935 }
3936
3937 bool
3938 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
3939 {
3940         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3941                 return false;
3942         }
3943
3944         if (_parent_strip) {
3945                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
3946                 if (_parent_strip->current_delivery() == send) {
3947                         _parent_strip->revert_to_default_display ();
3948                 } else {
3949                         _parent_strip->show_send(send);
3950                 }
3951         }
3952         return true;
3953 }
3954
3955 void
3956 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
3957 {
3958         if (!processor) {
3959                 return;
3960         }
3961         if (edit_aux_send (processor)) {
3962                 return;
3963         }
3964
3965         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3966
3967         if (proxy) {
3968                 proxy->set_custom_ui_mode (true);
3969                 proxy->show_the_right_window ();
3970         }
3971 }
3972
3973 void
3974 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
3975 {
3976         if (!processor) {
3977                 return;
3978         }
3979         if (edit_aux_send (processor)) {
3980                 return;
3981         }
3982
3983         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3984
3985         if (proxy) {
3986                 proxy->set_custom_ui_mode (false);
3987                 proxy->show_the_right_window ();
3988         }
3989 }
3990
3991 void
3992 ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
3993 {
3994         if (!processor) {
3995                 return;
3996         }
3997         PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
3998         if (proxy) {
3999                 proxy->get (true);
4000                 proxy->present();
4001         }
4002 }
4003
4004
4005 void
4006 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
4007 {
4008         if (!what_changed.contains (ARDOUR::Properties::name)) {
4009                 return;
4010         }
4011
4012         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
4013
4014         boost::shared_ptr<Processor> processor;
4015         boost::shared_ptr<PluginInsert> plugin_insert;
4016         boost::shared_ptr<Send> send;
4017
4018         list<ProcessorEntry*> children = processor_display.children();
4019
4020         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
4021
4022                 processor = (*iter)->processor ();
4023
4024                 if (!processor) {
4025                         continue;
4026                 }
4027
4028                 Window* w = get_processor_ui (processor);
4029
4030                 if (!w) {
4031                         continue;
4032                 }
4033
4034                 /* rename editor windows for sends and plugins */
4035
4036                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
4037                         w->set_title (send->name ());
4038                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
4039                         w->set_title (generate_processor_title (plugin_insert));
4040                 }
4041         }
4042 }
4043
4044 string
4045 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
4046 {
4047         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
4048         string::size_type email_pos;
4049
4050         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
4051                 maker = maker.substr (0, email_pos - 1);
4052         }
4053
4054         if (maker.length() > 32) {
4055                 maker = maker.substr (0, 32);
4056                 maker += " ...";
4057         }
4058
4059         SessionObject* owner = pi->owner();
4060
4061         if (owner) {
4062                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
4063         } else {
4064                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
4065         }
4066 }
4067
4068 /** @param p Processor.
4069  *  @return the UI window for \a p.
4070  */
4071 Window *
4072 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
4073 {
4074         ProcessorWindowProxy* wp = p->window_proxy();
4075         if (wp) {
4076                 return wp->get ();
4077         }
4078         return 0;
4079 }
4080
4081 /** Make a note of the UI window that a processor is using.
4082  *  @param p Processor.
4083  *  @param w UI window.
4084  */
4085 void
4086 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
4087 {
4088         assert (p->window_proxy());
4089         p->set_ui (w);
4090         p->window_proxy()->use_window (*w);
4091 }
4092
4093 void
4094 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
4095 {
4096         boost::shared_ptr<Delivery> d = w.lock ();
4097         if (!d) {
4098                 return;
4099         }
4100
4101         list<ProcessorEntry*> children = processor_display.children ();
4102         list<ProcessorEntry*>::const_iterator i = children.begin();
4103         while (i != children.end() && (*i)->processor() != d) {
4104                 ++i;
4105         }
4106
4107         if (i == children.end()) {
4108                 processor_display.set_active (0);
4109         } else {
4110                 processor_display.set_active (*i);
4111         }
4112 }
4113
4114 /** Called to repair the damage of Editor::show_window doing a show_all() */
4115 void
4116 ProcessorBox::hide_things ()
4117 {
4118         list<ProcessorEntry*> c = processor_display.children ();
4119         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
4120                 (*i)->hide_things ();
4121         }
4122 }
4123
4124 void
4125 ProcessorBox::processor_menu_unmapped ()
4126 {
4127         processor_display.remove_placeholder ();
4128         /* make all possibly-desensitized actions sensitive again so that
4129            they be activated by other means (e.g. bindings)
4130         */
4131         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
4132 }
4133
4134 XMLNode *
4135 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
4136 {
4137         if (!_parent_strip) {
4138                 return 0;
4139         }
4140
4141         GUIObjectState& st = _parent_strip->gui_object_state ();
4142
4143         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
4144         assert (strip);
4145         return st.get_or_add_node (strip, entry->state_id());
4146 }
4147
4148 void
4149 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
4150 {
4151         XMLNode* proc = entry_gui_object_state (entry);
4152         if (!proc) {
4153                 return;
4154         }
4155
4156         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
4157         proc->remove_nodes_and_delete (X_("Object"));
4158         entry->add_control_state (proc);
4159 }
4160
4161 bool
4162 ProcessorBox::is_editor_mixer_strip() const
4163 {
4164         return _parent_strip && !_parent_strip->mixer_owned();
4165 }
4166
4167 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
4168         : WM::ProxyBase (name, string())
4169         , _processor_box (box)
4170         , _processor (processor)
4171         , is_custom (false)
4172         , want_custom (false)
4173 {
4174         boost::shared_ptr<Processor> p = _processor.lock ();
4175         if (!p) {
4176                 return;
4177         }
4178         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
4179 }
4180
4181 ProcessorWindowProxy::~ProcessorWindowProxy()
4182 {
4183         /* processor window proxies do not own the windows they create with
4184          * ::get(), so set _window to null before the normal WindowProxy method
4185          * deletes it.
4186          */
4187         _window = 0;
4188 }
4189
4190 void
4191 ProcessorWindowProxy::processor_going_away ()
4192 {
4193         delete _window;
4194         _window = 0;
4195         WM::Manager::instance().remove (this);
4196         /* should be no real reason to do this, since the object that would
4197            send DropReferences is about to be deleted, but lets do it anyway.
4198         */
4199         going_away_connection.disconnect();
4200 }
4201
4202 ARDOUR::SessionHandlePtr*
4203 ProcessorWindowProxy::session_handle()
4204 {
4205         /* we don't care */
4206         return 0;
4207 }
4208
4209 XMLNode&
4210 ProcessorWindowProxy::get_state ()
4211 {
4212         XMLNode *node;
4213         node = &ProxyBase::get_state();
4214         node->add_property (X_("custom-ui"), is_custom? X_("yes") : X_("no"));
4215         return *node;
4216 }
4217
4218 int
4219 ProcessorWindowProxy::set_state (const XMLNode& node, int /*version*/)
4220 {
4221         XMLNodeList children = node.children ();
4222         XMLNodeList::const_iterator i = children.begin ();
4223         while (i != children.end()) {
4224                 XMLProperty* prop = (*i)->property (X_("name"));
4225                 if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
4226                         break;
4227                 }
4228                 ++i;
4229         }
4230
4231         if (i != children.end()) {
4232                 XMLProperty* prop;
4233                 if ((prop = (*i)->property (X_("custom-ui"))) != 0) {
4234                         want_custom = PBD::string_is_affirmative (prop->value ());
4235                 }
4236         }
4237
4238         return ProxyBase::set_state (node, 0);
4239 }
4240
4241 Gtk::Window*
4242 ProcessorWindowProxy::get (bool create)
4243 {
4244         boost::shared_ptr<Processor> p = _processor.lock ();
4245
4246         if (!p) {
4247                 return 0;
4248         }
4249         if (_window && (is_custom != want_custom)) {
4250                 /* drop existing window - wrong type */
4251                 drop_window ();
4252         }
4253
4254         if (!_window) {
4255                 if (!create) {
4256                         return 0;
4257                 }
4258
4259                 is_custom = want_custom;
4260                 _window = _processor_box->get_editor_window (p, is_custom);
4261
4262                 if (_window) {
4263                         setup ();
4264                 }
4265         }
4266         _window->show_all ();
4267         return _window;
4268 }
4269
4270 void
4271 ProcessorWindowProxy::show_the_right_window ()
4272 {
4273         if (_window && (is_custom != want_custom)) {
4274                 /* drop existing window - wrong type */
4275                 drop_window ();
4276                 get (true);
4277                 setup ();
4278                 assert (_window);
4279                 is_custom = want_custom;
4280         }
4281
4282         toggle ();
4283 }
4284
4285
4286 PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
4287         : WM::ProxyBase (name, string())
4288         , _processor (processor)
4289 {
4290         boost::shared_ptr<Processor> p = _processor.lock ();
4291         if (!p) {
4292                 return;
4293         }
4294         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
4295 }
4296
4297 PluginPinWindowProxy::~PluginPinWindowProxy()
4298 {
4299         _window = 0;
4300 }
4301
4302 ARDOUR::SessionHandlePtr*
4303 PluginPinWindowProxy::session_handle ()
4304 {
4305         ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4306         if (aw) { return aw; }
4307         return 0;
4308 }
4309
4310 Gtk::Window*
4311 PluginPinWindowProxy::get (bool create)
4312 {
4313         boost::shared_ptr<Processor> p = _processor.lock ();
4314         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
4315         if (!p || !pi) {
4316                 return 0;
4317         }
4318
4319         if (!_window) {
4320                 if (!create) {
4321                         return 0;
4322                 }
4323                 _window = new PluginPinDialog (pi);
4324                 ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4325                 if (aw) {
4326                         aw->set_session (_session);
4327                 }
4328         }
4329
4330         _window->show_all ();
4331         return _window;
4332 }
4333
4334 void
4335 PluginPinWindowProxy::processor_going_away ()
4336 {
4337         delete _window;
4338         _window = 0;
4339         WM::Manager::instance().remove (this);
4340         going_away_connection.disconnect();
4341 }
4342
4343 void
4344 ProcessorBox::load_bindings ()
4345 {
4346         bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
4347 }