Allow strips to add or remove personal sends
[ardour.git] / 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 <glibmm/miscutils.h>
31 #include <glibmm/fileutils.h>
32
33 #include <gtkmm/messagedialog.h>
34
35 #include "gtkmm2ext/colors.h"
36 #include "gtkmm2ext/gtk_ui.h"
37 #include "gtkmm2ext/menu_elems.h"
38 #include "gtkmm2ext/utils.h"
39 #include "gtkmm2ext/doi.h"
40 #include "gtkmm2ext/rgb_macros.h"
41
42 #include "widgets/choice.h"
43 #include "widgets/prompter.h"
44 #include "widgets/tooltips.h"
45
46 #include "ardour/amp.h"
47 #include "ardour/audio_track.h"
48 #include "ardour/audioengine.h"
49 #include "ardour/internal_return.h"
50 #include "ardour/internal_send.h"
51 #include "ardour/luaproc.h"
52 #include "ardour/luascripting.h"
53 #include "ardour/meter.h"
54 #include "ardour/panner_shell.h"
55 #include "ardour/plugin_insert.h"
56 #include "ardour/pannable.h"
57 #include "ardour/port_insert.h"
58 #include "ardour/profile.h"
59 #include "ardour/return.h"
60 #include "ardour/route.h"
61 #include "ardour/send.h"
62 #include "ardour/session.h"
63 #include "ardour/types.h"
64 #include "ardour/value_as_string.h"
65
66 #include "LuaBridge/LuaBridge.h"
67
68 #include "actions.h"
69 #include "ardour_dialog.h"
70 #include "ardour_ui.h"
71 #include "gui_thread.h"
72 #include "io_selector.h"
73 #include "keyboard.h"
74 #include "luainstance.h"
75 #include "mixer_ui.h"
76 #include "mixer_strip.h"
77 #include "plugin_pin_dialog.h"
78 #include "plugin_selector.h"
79 #include "plugin_ui.h"
80 #include "port_insert_ui.h"
81 #include "processor_box.h"
82 #include "processor_selection.h"
83 #include "public_editor.h"
84 #include "return_ui.h"
85 #include "script_selector.h"
86 #include "send_ui.h"
87 #include "timers.h"
88 #include "new_plugin_preset_dialog.h"
89
90 #include "pbd/i18n.h"
91
92 #ifdef AUDIOUNIT_SUPPORT
93 class AUPluginUI;
94 #endif
95
96 #ifndef NDEBUG
97 bool ProcessorBox::show_all_processors = false;
98 #endif
99
100 using namespace std;
101 using namespace ARDOUR;
102 using namespace PBD;
103 using namespace Gtk;
104 using namespace Glib;
105 using namespace Gtkmm2ext;
106 using namespace ArdourWidgets;
107
108 ProcessorBox*  ProcessorBox::_current_processor_box = 0;
109 RefPtr<Action> ProcessorBox::paste_action;
110 RefPtr<Action> ProcessorBox::cut_action;
111 RefPtr<Action> ProcessorBox::copy_action;
112 RefPtr<Action> ProcessorBox::rename_action;
113 RefPtr<Action> ProcessorBox::delete_action;
114 RefPtr<Action> ProcessorBox::backspace_action;
115 RefPtr<Action> ProcessorBox::manage_pins_action;
116 RefPtr<Action> ProcessorBox::disk_io_action;
117 RefPtr<Action> ProcessorBox::edit_action;
118 RefPtr<Action> ProcessorBox::edit_generic_action;
119 RefPtr<ActionGroup> ProcessorBox::processor_box_actions;
120 Gtkmm2ext::ActionMap ProcessorBox::myactions (X_("processor box"));
121 Gtkmm2ext::Bindings* ProcessorBox::bindings = 0;
122
123
124 // TODO consolidate with PluginPinDialog::set_color
125 static void set_routing_color (cairo_t* cr, bool midi)
126 {
127         static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
128         static const uint32_t midi_port_color = 0x960909FF; //Red
129
130         if (midi) {
131                 cairo_set_source_rgb (cr,
132                                 UINT_RGBA_R_FLT(midi_port_color),
133                                 UINT_RGBA_G_FLT(midi_port_color),
134                                 UINT_RGBA_B_FLT(midi_port_color));
135         } else {
136                 cairo_set_source_rgb (cr,
137                                 UINT_RGBA_R_FLT(audio_port_color),
138                                 UINT_RGBA_G_FLT(audio_port_color),
139                                 UINT_RGBA_B_FLT(audio_port_color));
140         }
141 }
142
143 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
144         : _button (ArdourButton::led_default_elements)
145         , _position (PreFader)
146         , _position_num(0)
147         , _parent (parent)
148         , _selectable(true)
149         , _unknown_processor(false)
150         , _processor (p)
151         , _width (w)
152         , input_icon(true)
153         , output_icon(false)
154         , routing_icon(true)
155         , output_routing_icon(false)
156         , _plugin_display(0)
157 {
158         _vbox.show ();
159
160         _button.set_distinct_led_click (true);
161         _button.set_fallthrough_to_parent(true);
162         _button.set_led_left (true);
163         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
164         _button.set_text (name (_width));
165
166         if (boost::dynamic_pointer_cast<PeakMeter> (_processor)) {
167                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
168         }
169         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
170                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
171                 _unknown_processor = true;
172         }
173         {
174                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
175                 if (pi && pi->plugin()) {
176                         _plugin_preset_pointer = PluginPresetPtr (new PluginPreset (pi->plugin()->get_info()));
177                 }
178         }
179         if (_processor) {
180
181                 _vbox.pack_start (routing_icon);
182                 _vbox.pack_start (input_icon);
183                 _vbox.pack_start (_button, true, true);
184
185                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
186                 if (pi && pi->plugin() && pi->plugin()->has_inline_display()) {
187                         if (pi->plugin()->get_info()->type != ARDOUR::Lua) {
188                                 _plugin_display = new PluginInlineDisplay (*this, pi->plugin(),
189                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
190                         } else {
191                                 assert (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()));
192                                 _plugin_display = new LuaPluginDisplay (*this, boost::dynamic_pointer_cast<LuaProc>(pi->plugin()),
193                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
194                         }
195                         _vbox.pack_start (*_plugin_display);
196                         _plugin_display->set_no_show_all (true);
197                         if (UIConfiguration::instance().get_show_inline_display_by_default ()) {
198                                 _plugin_display->show ();
199                         }
200                 }
201                 _vbox.pack_end (output_routing_icon);
202                 _vbox.pack_end (output_icon);
203
204                 _button.set_active (_processor->enabled ());
205
206                 input_icon.set_no_show_all(true);
207                 routing_icon.set_no_show_all(true);
208                 output_icon.set_no_show_all(true);
209                 output_routing_icon.set_no_show_all(true);
210
211                 _button.show ();
212                 input_icon.hide();
213                 output_icon.show();
214                 routing_icon.hide();
215                 output_routing_icon.hide();
216
217                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
218                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
219                 _processor->ConfigurationChanged.connect (config_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_configuration_changed, this, _1, _2), gui_context());
220
221                 const uint32_t limit_inline_controls = UIConfiguration::instance().get_max_inline_controls ();
222
223                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
224                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
225
226                         std::string label = _processor->describe_parameter (*i);
227
228                         if (label == X_("hidden")) {
229                                 continue;
230                         }
231
232                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
233                                 label = _("Send");
234                         } else if (boost::dynamic_pointer_cast<Return> (_processor)) {
235                                 label = _("Return");
236                         }
237
238                         Control* c = new Control (_processor->automation_control (*i), label);
239
240                         _controls.push_back (c);
241
242                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
243                                 /* Add non-Amp (Fader & Trim) controls to the processor box */
244                                 _vbox.pack_start (c->box);
245                         }
246
247                         if (limit_inline_controls > 0 && _controls.size() >= limit_inline_controls) {
248                                 break;
249                         }
250                 }
251
252                 setup_tooltip ();
253                 setup_visuals ();
254         } else {
255                 _vbox.set_size_request (-1, _button.size_request().height);
256         }
257 }
258
259 ProcessorEntry::~ProcessorEntry ()
260 {
261         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
262                 delete *i;
263         }
264         delete _plugin_display;
265 }
266
267 EventBox&
268 ProcessorEntry::action_widget ()
269 {
270         return _button;
271 }
272
273 Gtk::Widget&
274 ProcessorEntry::widget ()
275 {
276         return _vbox;
277 }
278
279 string
280 ProcessorEntry::drag_text () const
281 {
282         return name (Wide);
283 }
284
285 bool
286 ProcessorEntry::can_copy_state (Gtkmm2ext::DnDVBoxChild* o) const
287 {
288         ProcessorEntry *other = dynamic_cast<ProcessorEntry*> (o);
289         if (!other) {
290                 return false;
291         }
292         boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
293         boost::shared_ptr<PluginInsert> my_pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
294         boost::shared_ptr<PluginInsert> ot_pi = boost::dynamic_pointer_cast<PluginInsert> (otherproc);
295         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
296                 return false;
297         }
298         if (boost::dynamic_pointer_cast<UnknownProcessor> (otherproc)) {
299                 return false;
300         }
301         if (!my_pi || !ot_pi) {
302                 return false;
303         }
304         if (my_pi->type() != ot_pi->type()) {
305                 return false;
306         }
307         boost::shared_ptr<Plugin> my_p = my_pi->plugin();
308         boost::shared_ptr<Plugin> ot_p = ot_pi->plugin();
309         if (!my_p || !ot_p) {
310                 return false;
311         }
312         if (my_p->unique_id() != ot_p->unique_id()) {
313                 return false;
314         }
315         return true;
316 }
317
318 bool
319 ProcessorEntry::drag_data_get (Glib::RefPtr<Gdk::DragContext> const, Gtk::SelectionData &data)
320 {
321         if (data.get_target() == "PluginPresetPtr") {
322                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
323
324                 if (!_plugin_preset_pointer || !pi) {
325                         data.set (data.get_target(), 8, NULL, 0);
326                         return true;
327                 }
328
329                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin();
330                 assert (plugin);
331
332                 PluginManager& manager (PluginManager::instance());
333                 bool fav = manager.get_status (_plugin_preset_pointer->_pip) == PluginManager::Favorite;
334
335                 NewPluginPresetDialog d (plugin,
336                                 string_compose(_("New Favorite Preset for \"%1\""),_plugin_preset_pointer->_pip->name), !fav);
337
338                 _plugin_preset_pointer->_preset.valid = false;
339
340                 switch (d.run ()) {
341                         case Gtk::RESPONSE_CANCEL:
342                                 data.set (data.get_target(), 8, NULL, 0);
343                                 return true;
344                                 break;
345
346                         case Gtk::RESPONSE_NO:
347                                 break;
348
349                         case Gtk::RESPONSE_ACCEPT:
350                                 if (d.name().empty()) {
351                                         break;
352                                 }
353
354                                 if (d.replace ()) {
355                                         plugin->remove_preset (d.name ());
356                                 }
357
358                                 Plugin::PresetRecord const r = plugin->save_preset (d.name());
359
360                                 if (!r.uri.empty ()) {
361                                         _plugin_preset_pointer->_preset.uri   = r.uri;
362                                         _plugin_preset_pointer->_preset.label = r.label;
363                                         _plugin_preset_pointer->_preset.user  = r.user;
364                                         _plugin_preset_pointer->_preset.valid = r.valid;
365                                 }
366                 }
367                 data.set (data.get_target(), 8, (const guchar *) &_plugin_preset_pointer, sizeof (PluginPresetPtr));
368                 return true;
369         }
370         return false;
371 }
372
373 void
374 ProcessorEntry::set_position (Position p, uint32_t num)
375 {
376         _position = p;
377         _position_num = num;
378         setup_visuals ();
379 }
380
381 void
382 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
383 {
384         if (yn) {
385                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
386         } else {
387                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
388         }
389 }
390
391 void
392 ProcessorEntry::setup_visuals ()
393 {
394         if (_unknown_processor) {
395                 _button.set_name ("processor stub");
396                 return;
397         }
398         boost::shared_ptr<Send> send;
399         if ((send = boost::dynamic_pointer_cast<Send> (_processor))) {
400                 if (send->remove_on_disconnect ()) {
401                         _button.set_name ("processor sidechain");
402                         return;
403                 }
404         }
405
406         boost::shared_ptr<InternalSend> aux;
407         if ((aux = boost::dynamic_pointer_cast<InternalSend> (_processor))) {
408                 if (aux->allow_feedback ()) {
409                         _button.set_name ("processor auxfeedback");
410                         return;
411                 }
412         }
413
414         switch (_position) {
415         case PreFader:
416                 if (_plugin_display) { _plugin_display->set_name ("processor prefader"); }
417                 _button.set_name ("processor prefader");
418                 break;
419
420         case Fader:
421                 _button.set_name ("processor fader");
422                 break;
423
424         case PostFader:
425                 if (_plugin_display) { _plugin_display->set_name ("processor postfader"); }
426                 _button.set_name ("processor postfader");
427                 break;
428         }
429 }
430
431
432 boost::shared_ptr<Processor>
433 ProcessorEntry::processor () const
434 {
435         if (!_processor) {
436                 return boost::shared_ptr<Processor>();
437         }
438         return _processor;
439 }
440
441 void
442 ProcessorEntry::set_enum_width (Width w)
443 {
444         _width = w;
445         _button.set_text (name (_width));
446 }
447
448 void
449 ProcessorEntry::led_clicked(GdkEventButton *ev)
450 {
451         bool ctrl_shift_pressed = false;
452         Keyboard::ModifierMask ctrl_shift_mask = Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier);
453
454         if (Keyboard::modifier_state_equals (ev->state, ctrl_shift_mask)) {
455                 ctrl_shift_pressed = true;
456         }
457
458         if (_processor) {
459                 if (_button.get_active ()) {
460                         if (ctrl_shift_pressed) {
461                                 _parent->all_visible_processors_active(false);
462
463                                 if (_position == Fader) {
464                                         _processor->enable (false);
465                                 }
466                         }
467                         else {
468                                 _processor->enable (false);
469                         }
470
471                 } else {
472                         if (ctrl_shift_pressed) {
473                                 _parent->all_visible_processors_active(true);
474
475                                 if (_position == Fader) {
476                                         _processor->enable (true);
477                                 }
478                         }
479                         else {
480                                 _processor->enable (true);
481                         }
482                 }
483         }
484 }
485
486 void
487 ProcessorEntry::processor_active_changed ()
488 {
489         if (_processor) {
490                 _button.set_active (_processor->enabled ());
491         }
492 }
493
494 void
495 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
496 {
497         if (what_changed.contains (ARDOUR::Properties::name)) {
498                 _button.set_text (name (_width));
499                 setup_tooltip ();
500         }
501 }
502
503 void
504 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
505 {
506         _parent->setup_routing_feeds ();
507         input_icon.queue_draw();
508         output_icon.queue_draw();
509         routing_icon.queue_draw();
510         output_routing_icon.queue_draw();
511 }
512
513 void
514 ProcessorEntry::setup_tooltip ()
515 {
516         if (_processor) {
517                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
518                 if (pi) {
519                         std::string postfix = "";
520                         uint32_t replicated;
521
522                         if (pi->plugin()->has_inline_display()) {
523                                 postfix += string_compose(_("\n%1+double-click to toggle inline-display"), Keyboard::tertiary_modifier_name ());
524                         }
525
526                         if ((replicated = pi->get_count()) > 1) {
527                                 postfix += string_compose(_("\nThis mono plugin has been replicated %1 times."), replicated);
528                         }
529
530                         if (pi->plugin()->has_editor()) {
531                                 set_tooltip (_button,
532                                                 string_compose (_("<b>%1</b>\nDouble-click to show GUI.\n%2+double-click to show generic GUI.%3"), name (Wide), Keyboard::secondary_modifier_name (), postfix));
533                         } else {
534                                 set_tooltip (_button,
535                                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), name (Wide), postfix));
536                         }
537                         return;
538                 }
539                 if(boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
540                         ARDOUR_UI::instance()->set_tip (_button,
541                                         string_compose (_("<b>%1</b>\nThe Plugin is not available on this system\nand has been replaced by a stub."), name (Wide)));
542                         return;
543                 }
544                 boost::shared_ptr<Send> send;
545                 if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
546                                 !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
547                         if (send->remove_on_disconnect ()) {
548                                 set_tooltip (_button, string_compose ("<b>&gt; %1</b>\nThis (sidechain) send will be removed when disconnected.", _processor->name()));
549                         } else {
550                                 set_tooltip (_button, string_compose ("<b>&gt; %1</b>", _processor->name()));
551                         }
552                         return;
553                 }
554         }
555         set_tooltip (_button, string_compose ("<b>%1</b>", name (Wide)));
556 }
557
558 string
559 ProcessorEntry::name (Width w) const
560 {
561         boost::shared_ptr<Send> send;
562         string name_display;
563
564         if (!_processor) {
565                 return string();
566         }
567
568         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
569             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
570
571                 name_display += '>';
572                 std::string send_name;
573                 bool pretty_ok = true;
574
575                 if (send->remove_on_disconnect ()) {
576                         // assume it's a sidechain, find pretty name of connected port(s)
577                         PortSet& ps (send->output ()->ports ());
578                         for (PortSet::iterator i = ps.begin (); i != ps.end () && pretty_ok; ++i) {
579                                 vector<string> connections;
580                                 if (i->get_connections (connections)) {
581                                         vector<string>::const_iterator ci;
582                                         for (ci = connections.begin(); ci != connections.end(); ++ci) {
583                                                 std::string pn = AudioEngine::instance()->get_pretty_name_by_name (*ci);
584                                                 if (pn.empty ()) {
585                                                         continue;
586                                                 }
587                                                 if (send_name.empty ()) {
588                                                         send_name = pn;
589                                                 } else if (send_name != pn) {
590                                                         // pretty names don't match
591                                                         pretty_ok = false;
592                                                         break;
593                                                 }
594                                         }
595                                 }
596                         }
597                 }
598
599                 if (!pretty_ok) {
600                         send_name = "";
601                 }
602
603                 /* grab the send name out of its overall name */
604                 if (send_name.empty()) {
605                         send_name = send->name();
606                         string::size_type lbracket, rbracket;
607                         lbracket = send_name.find ('[');
608                         rbracket = send_name.find (']');
609                         send_name = send_name.substr (lbracket+1, lbracket-rbracket-1);
610                 }
611
612                 switch (w) {
613                 case Wide:
614                         name_display += send_name;
615                         break;
616                 case Narrow:
617                         name_display += PBD::short_version (send_name, 5);
618                         break;
619                 }
620
621         } else {
622                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
623                 uint32_t replicated;
624                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
625                                 && (replicated = pi->get_count()) > 1)
626                 {
627                         name_display += string_compose(_("(%1x1) "), replicated);
628                 }
629
630                 switch (w) {
631                 case Wide:
632                         name_display += _processor->display_name();
633                         break;
634                 case Narrow:
635                         name_display += PBD::short_version (_processor->display_name(), 5);
636                         break;
637                 }
638
639         }
640
641         return name_display;
642 }
643
644 void
645 ProcessorEntry::show_all_controls ()
646 {
647         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
648                 (*i)->set_visible (true);
649         }
650
651         _parent->update_gui_object_state (this);
652 }
653
654 void
655 ProcessorEntry::hide_all_controls ()
656 {
657         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
658                 (*i)->set_visible (false);
659         }
660
661         _parent->update_gui_object_state (this);
662 }
663
664 void
665 ProcessorEntry::add_control_state (XMLNode* node) const
666 {
667         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
668                 (*i)->add_state (node);
669         }
670
671         if (_plugin_display) {
672                 XMLNode* c = new XMLNode (X_("Object"));
673                 c->set_property (X_("id"), X_("InlineDisplay"));
674                 c->set_property (X_("visible"), _plugin_display->is_visible ());
675                 node->add_child_nocopy (*c);
676         }
677 }
678
679 void
680 ProcessorEntry::set_control_state (XMLNode const * node)
681 {
682         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
683                 (*i)->set_state (node);
684         }
685
686         if (_plugin_display) {
687                 XMLNode* n = GUIObjectState::get_node (node, X_("InlineDisplay"));
688                 if (!n) return;
689
690                 bool visible;
691                 if (n->get_property (X_("visible"), visible)) {
692                         if (visible) {
693                                 _plugin_display->show ();
694                         } else {
695                                 _plugin_display->hide ();
696                         }
697                 }
698         }
699 }
700
701 string
702 ProcessorEntry::state_id () const
703 {
704         return string_compose ("processor %1", _processor->id().to_s());
705 }
706
707 void
708 ProcessorEntry::hide_things ()
709 {
710         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
711                 (*i)->hide_things ();
712         }
713 }
714
715
716 Menu *
717 ProcessorEntry::build_controls_menu ()
718 {
719         using namespace Menu_Helpers;
720
721         if (!_plugin_display && _controls.empty ()) {
722                 return NULL;
723         }
724
725         Menu* menu = manage (new Menu);
726         MenuList& items = menu->items ();
727
728         if (_plugin_display) {
729                 items.push_back (CheckMenuElem (_("Inline Display")));
730                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
731                 c->set_active (_plugin_display->is_visible ());
732                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_inline_display_visibility));
733         }
734
735         if (_controls.empty ()) {
736                 return menu;
737         } else {
738                 items.push_back (SeparatorElem ());
739         }
740
741         items.push_back (
742                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
743                 );
744
745         items.push_back (
746                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
747                 );
748
749         items.push_back (SeparatorElem ());
750
751         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
752                 items.push_back (CheckMenuElemNoMnemonic ((*i)->name ()));
753                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
754                 c->set_active ((*i)->visible ());
755                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
756         }
757
758         return menu;
759 }
760
761 void
762 ProcessorEntry::toggle_inline_display_visibility ()
763 {
764         if (_plugin_display->is_visible ()) {
765                 _plugin_display->hide();
766         } else {
767                 _plugin_display->show();
768         }
769         _parent->update_gui_object_state (this);
770 }
771
772 void
773 ProcessorEntry::toggle_control_visibility (Control* c)
774 {
775         c->set_visible (!c->visible ());
776         _parent->update_gui_object_state (this);
777 }
778
779 Menu *
780 ProcessorEntry::build_send_options_menu ()
781 {
782         using namespace Menu_Helpers;
783         Menu* menu = manage (new Menu);
784         MenuList& items = menu->items ();
785
786         if (!ARDOUR::Profile->get_mixbus()) {
787                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
788                 if (send) {
789                         items.push_back (CheckMenuElem (_("Link panner controls")));
790                         Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
791                         c->set_active (send->panner_shell()->is_linked_to_route());
792                         c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
793                 }
794         }
795
796         boost::shared_ptr<InternalSend> aux = boost::dynamic_pointer_cast<InternalSend> (_processor);
797         if (aux) {
798                 items.push_back (CheckMenuElem (_("Allow Feedback Loop")));
799                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
800                 c->set_active (aux->allow_feedback());
801                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_allow_feedback));
802         }
803         return menu;
804 }
805
806 void
807 ProcessorEntry::toggle_panner_link ()
808 {
809         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
810         if (send) {
811                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
812         }
813 }
814
815 void
816 ProcessorEntry::toggle_allow_feedback ()
817 {
818         boost::shared_ptr<InternalSend> aux = boost::dynamic_pointer_cast<InternalSend> (_processor);
819         if (aux) {
820                 aux->set_allow_feedback (!aux->allow_feedback ());
821         }
822 }
823
824 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
825         : _control (c)
826         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
827         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * UIConfiguration::instance().get_ui_scale())))
828         , _slider_persistant_tooltip (&_slider)
829         , _button (ArdourButton::led_default_elements)
830         , _ignore_ui_adjustment (false)
831         , _visible (false)
832         , _name (n)
833 {
834         _slider.set_controllable (c);
835         box.set_padding(0, 0, 4, 4);
836
837         if (c->toggled()) {
838                 _button.set_text (_name);
839                 _button.set_led_left (true);
840                 _button.set_name ("processor control button");
841                 box.add (_button);
842                 _button.show ();
843
844                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
845                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked_event));
846                 c->Changed.connect (_connections, invalidator (*this), boost::bind (&Control::control_changed, this), gui_context ());
847                 if (c->alist ()) {
848                         c->alist()->automation_state_changed.connect (_connections, invalidator (*this), boost::bind (&Control::control_automation_state_changed, this), gui_context());
849                         control_automation_state_changed ();
850                 }
851
852         } else {
853
854                 _slider.set_name ("ProcessorControlSlider");
855                 _slider.set_text (_name);
856
857                 box.add (_slider);
858                 _slider.show ();
859
860                 const ARDOUR::ParameterDescriptor& desc = c->desc();
861                 double const lo        = c->internal_to_interface (desc.lower);
862                 double const up        = c->internal_to_interface (desc.upper);
863                 double const normal    = c->internal_to_interface (desc.normal);
864                 double const smallstep = c->internal_to_interface (desc.lower + desc.smallstep);
865                 double const largestep = c->internal_to_interface (desc.lower + desc.largestep);
866
867                 _adjustment.set_lower (lo);
868                 _adjustment.set_upper (up);
869                 _adjustment.set_step_increment (smallstep);
870                 _adjustment.set_page_increment (largestep);
871                 _slider.set_default_value (normal);
872
873                 _slider.StartGesture.connect(sigc::mem_fun(*this, &Control::start_touch));
874                 _slider.StopGesture.connect(sigc::mem_fun(*this, &Control::end_touch));
875
876                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
877                 c->Changed.connect (_connections, invalidator (*this), boost::bind (&Control::control_changed, this), gui_context ());
878                 if (c->alist ()) {
879                         c->alist()->automation_state_changed.connect (_connections, invalidator (*this), boost::bind (&Control::control_automation_state_changed, this), gui_context());
880                         control_automation_state_changed ();
881                 }
882         }
883
884         control_changed ();
885         set_tooltip ();
886
887         /* We're providing our own PersistentTooltip */
888         set_no_tooltip_whatsoever (_slider);
889 }
890
891 ProcessorEntry::Control::~Control ()
892 {
893 }
894
895 void
896 ProcessorEntry::Control::set_tooltip ()
897 {
898         boost::shared_ptr<AutomationControl> c = _control.lock ();
899
900         if (!c) {
901                 return;
902         }
903         std::string tt = _name + ": " + ARDOUR::value_as_string (c->desc(), c->get_value ());
904         string sm = Gtkmm2ext::markup_escape_text (tt);
905         _slider_persistant_tooltip.set_tip (sm);
906         ArdourWidgets::set_tooltip (_button, Gtkmm2ext::markup_escape_text (sm));
907 }
908
909 void
910 ProcessorEntry::Control::slider_adjusted ()
911 {
912         if (_ignore_ui_adjustment) {
913                 return;
914         }
915
916         boost::shared_ptr<AutomationControl> c = _control.lock ();
917
918         if (!c) {
919                 return;
920         }
921
922         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) , Controllable::NoGroup);
923         set_tooltip ();
924 }
925
926 void
927 ProcessorEntry::Control::start_touch ()
928 {
929         boost::shared_ptr<AutomationControl> c = _control.lock ();
930         if (!c) {
931                 return;
932         }
933         c->start_touch (c->session().transport_sample());
934 }
935
936 void
937 ProcessorEntry::Control::end_touch ()
938 {
939         boost::shared_ptr<AutomationControl> c = _control.lock ();
940         if (!c) {
941                 return;
942         }
943         c->stop_touch (c->session().transport_sample());
944 }
945
946 void
947 ProcessorEntry::Control::button_clicked ()
948 {
949         boost::shared_ptr<AutomationControl> c = _control.lock ();
950
951         if (!c) {
952                 return;
953         }
954
955         bool const n = _button.get_active ();
956
957         c->set_value (n ? 0 : 1, Controllable::NoGroup);
958         _button.set_active (!n);
959         set_tooltip ();
960 }
961
962 void
963 ProcessorEntry::Control::button_clicked_event (GdkEventButton *ev)
964 {
965         (void) ev;
966
967         button_clicked ();
968 }
969
970 void
971 ProcessorEntry::Control::control_automation_state_changed ()
972 {
973         boost::shared_ptr<AutomationControl> c = _control.lock ();
974         if (!c) {
975                 return;
976         }
977         bool x = c->alist()->automation_state() & Play;
978         if (c->toggled ()) {
979                 _button.set_sensitive (!x);
980         } else {
981                 _slider.set_sensitive (!x);
982         }
983 }
984
985 void
986 ProcessorEntry::Control::control_changed ()
987 {
988         boost::shared_ptr<AutomationControl> c = _control.lock ();
989         if (!c) {
990                 return;
991         }
992
993         _ignore_ui_adjustment = true;
994
995         if (c->toggled ()) {
996                 _button.set_active (c->get_value() > 0.5);
997         } else {
998                 // Note: the _slider watches the controllable by itself
999                 const double nval = c->internal_to_interface (c->get_value ());
1000                 if (_adjustment.get_value() != nval) {
1001                         _adjustment.set_value (nval);
1002                         set_tooltip ();
1003                 }
1004         }
1005
1006         _ignore_ui_adjustment = false;
1007 }
1008
1009 void
1010 ProcessorEntry::Control::add_state (XMLNode* node) const
1011 {
1012         XMLNode* c = new XMLNode (X_("Object"));
1013         c->set_property (X_("id"), state_id ());
1014         c->set_property (X_("visible"), _visible);
1015         node->add_child_nocopy (*c);
1016 }
1017
1018 void
1019 ProcessorEntry::Control::set_state (XMLNode const * node)
1020 {
1021         XMLNode* n = GUIObjectState::get_node (node, state_id ());
1022         if (n) {
1023                 bool visible;
1024                 if (n->get_property (X_("visible"), visible)) {
1025                         set_visible (visible);
1026                 }
1027         } else {
1028                 set_visible (false);
1029         }
1030 }
1031
1032 void
1033 ProcessorEntry::Control::set_visible (bool v)
1034 {
1035         if (v) {
1036                 box.show ();
1037         } else {
1038                 box.hide ();
1039         }
1040
1041         _visible = v;
1042 }
1043
1044 /** Called when the Editor might have re-shown things that
1045     we want hidden.
1046 */
1047 void
1048 ProcessorEntry::Control::hide_things ()
1049 {
1050         if (!_visible) {
1051                 box.hide ();
1052         }
1053 }
1054
1055 string
1056 ProcessorEntry::Control::state_id () const
1057 {
1058         boost::shared_ptr<AutomationControl> c = _control.lock ();
1059         assert (c);
1060
1061         return string_compose (X_("control %1"), c->id().to_s ());
1062 }
1063
1064 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
1065         : ProcessorEntry (b, p, w)
1066         , _plugin_insert (p)
1067 {
1068         p->PluginIoReConfigure.connect (
1069                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1070                 );
1071         p->PluginMapChanged.connect (
1072                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1073                 );
1074         p->PluginConfigChanged.connect (
1075                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1076                 );
1077 }
1078
1079 void
1080 PluginInsertProcessorEntry::iomap_changed ()
1081 {
1082         _parent->setup_routing_feeds ();
1083         routing_icon.queue_draw();
1084         output_routing_icon.queue_draw();
1085 }
1086
1087 void
1088 PluginInsertProcessorEntry::hide_things ()
1089 {
1090         ProcessorEntry::hide_things ();
1091 }
1092
1093 ProcessorEntry::PortIcon::PortIcon(bool input) {
1094         _input = input;
1095         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
1096         set_size_request (-1, std::max (2.f, rintf(2.f * UIConfiguration::instance().get_ui_scale())));
1097 }
1098
1099 bool
1100 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
1101 {
1102         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1103
1104         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1105         cairo_clip (cr);
1106
1107         Gtk::Allocation a = get_allocation();
1108         double const width = a.get_width();
1109         double const height = a.get_height();
1110
1111         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1112         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1113
1114         cairo_rectangle (cr, 0, 0, width, height);
1115         cairo_fill (cr);
1116
1117         const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1118         for (uint32_t i = 0; i < _ports.n_total(); ++i) {
1119                 set_routing_color (cr, i < _ports.n_midi());
1120                 const double x = ProcessorEntry::RoutingIcon::pin_x_pos (i, width, _ports.n_total(), 0 , false);
1121                 cairo_rectangle (cr, x - .5 - dx * .5, 0, 1 + dx, height);
1122                 cairo_fill(cr);
1123         }
1124
1125         cairo_destroy(cr);
1126         return true;
1127 }
1128
1129 ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
1130         : _fed_by (false)
1131         , _input (input)
1132 {
1133         set_terminal (false);
1134 }
1135
1136 void
1137 ProcessorEntry::RoutingIcon::set_terminal (bool b) {
1138         _terminal = b;
1139         int h = std::max (8.f, rintf(8.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1140         if (_terminal) {
1141                 h += std::max (4.f, rintf(4.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1142         }
1143         set_size_request (-1, h);
1144 }
1145
1146 void
1147 ProcessorEntry::RoutingIcon::set (
1148                 const ARDOUR::ChanCount& in,
1149                 const ARDOUR::ChanCount& out,
1150                 const ARDOUR::ChanCount& sinks,
1151                 const ARDOUR::ChanCount& sources,
1152                 const ARDOUR::ChanMapping& in_map,
1153                 const ARDOUR::ChanMapping& out_map,
1154                 const ARDOUR::ChanMapping& thru_map)
1155 {
1156         _in       = in;
1157         _out      = out;
1158         _sources  = sources;
1159         _sinks    = sinks;
1160         _in_map   = in_map;
1161         _out_map  = out_map;
1162         _thru_map = thru_map;
1163 }
1164
1165 bool
1166 ProcessorEntry::RoutingIcon::in_identity () const {
1167         if (_thru_map.n_total () > 0) {
1168                 return false;
1169         }
1170         if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
1171                 return false;
1172         }
1173         if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
1174                 return false;
1175         }
1176         return true;
1177 }
1178
1179 bool
1180 ProcessorEntry::RoutingIcon::out_identity () const {
1181         if (_thru_map.n_total () > 0) {
1182                 // TODO skip if trhu is not connected to any of next's inputs
1183                 return false;
1184         }
1185         if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
1186                 return false;
1187         }
1188         if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
1189                 return false;
1190         }
1191         return true;
1192 }
1193
1194 bool
1195 ProcessorEntry::RoutingIcon::can_coalesce () const {
1196         if (_thru_map.n_total () > 0) {
1197                 return false;
1198         }
1199         if (_fed_by && _f_out != _f_sources) {
1200                 return false;
1201         }
1202         if (_fed_by && !_f_out_map.is_identity () && !_in_map.is_identity ()) {
1203                 return false;
1204         }
1205         if (_input && _sinks == _in && (!_fed_by || _f_out == _in)) {
1206                 return true;
1207         }
1208         return false;
1209 }
1210
1211 void
1212 ProcessorEntry::RoutingIcon::set_fed_by (
1213                                 const ARDOUR::ChanCount& out,
1214                                 const ARDOUR::ChanCount& sources,
1215                                 const ARDOUR::ChanMapping& out_map,
1216                                 const ARDOUR::ChanMapping& thru_map)
1217 {
1218         _f_out      = out;
1219         _f_sources  = sources;
1220         _f_out_map  = out_map;
1221         _f_thru_map = thru_map;
1222         _fed_by     = true;
1223 }
1224
1225 void
1226 ProcessorEntry::RoutingIcon::set_feeding (
1227                                 const ARDOUR::ChanCount& in,
1228                                 const ARDOUR::ChanCount& sinks,
1229                                 const ARDOUR::ChanMapping& in_map,
1230                                 const ARDOUR::ChanMapping& thru_map)
1231 {
1232         _i_in       = in;
1233         _i_sinks    = sinks;
1234         _i_in_map   = in_map;
1235         _i_thru_map = thru_map;
1236         _feeding    = true;
1237 }
1238
1239 double
1240 ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
1241 {
1242         if (!midi) { i += n_midi; }
1243         if (n_total == 1) {
1244                 assert (i == 0);
1245                 return rint (width * .5) +.5;
1246         }
1247         return rint (width * (.15 + .7 * i / (n_total - 1))) + .5;
1248 }
1249
1250 void
1251 ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double y0, double height, bool midi)
1252 {
1253         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1254         const double y1 = rint (height * .66) + .5;
1255
1256         cairo_save (cr);
1257         cairo_translate (cr, x0, y0);
1258         cairo_move_to (cr, 0, height);
1259         cairo_line_to (cr, 0, y1);
1260         cairo_move_to (cr, 0 - dx, y1);
1261         cairo_line_to (cr, 0 + dx, y1);
1262
1263         set_routing_color (cr, midi);
1264         cairo_set_line_width (cr, 1.0);
1265         cairo_stroke (cr);
1266         cairo_restore (cr);
1267 }
1268
1269 void
1270 ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double y0, double height, bool midi)
1271 {
1272         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1273         const double y1 = rint (height * .5) - .5;
1274
1275         cairo_save (cr);
1276         cairo_translate (cr, x0, y0);
1277         cairo_move_to (cr, 0 - dx, height);
1278         cairo_line_to (cr, 0, y1);
1279         cairo_line_to (cr, 0 + dx, height);
1280         cairo_close_path (cr);
1281
1282         set_routing_color (cr, midi);
1283         cairo_fill (cr);
1284         cairo_restore (cr);
1285 }
1286
1287 void
1288 ProcessorEntry::RoutingIcon::draw_thru_src (cairo_t* cr, double x0, double y0, double height, bool midi)
1289 {
1290         const double rad = 1;
1291         const double y1 = height - rad - 1.5;
1292
1293         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1294         cairo_move_to (cr, x0, y0 + height - 1.5);
1295         cairo_line_to (cr, x0, y0 + height);
1296         set_routing_color (cr, midi);
1297         cairo_set_line_width  (cr, 1.0);
1298         cairo_stroke (cr);
1299 }
1300
1301 void
1302 ProcessorEntry::RoutingIcon::draw_thru_sink (cairo_t* cr, double x0, double y0, double height, bool midi)
1303 {
1304         const double rad = 1;
1305         const double y1 = rad + 1;
1306
1307         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1308         cairo_move_to (cr, x0, y0);
1309         cairo_line_to (cr, x0, y0 + 1);
1310         set_routing_color (cr, midi);
1311         cairo_set_line_width  (cr, 1.0);
1312         cairo_stroke (cr);
1313 }
1314
1315 void
1316 ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
1317 {
1318         double bz = abs (y1 - y0);
1319
1320         cairo_move_to (cr, x0, y0);
1321         cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
1322         cairo_set_line_width  (cr, 1.0);
1323         cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
1324         cairo_set_source_rgb (cr, 1, 0, 0);
1325         if (dashed) {
1326                 const double dashes[] = { 2, 3 };
1327                 cairo_set_dash (cr, dashes, 2, 0);
1328         }
1329         set_routing_color (cr, midi);
1330         cairo_stroke (cr);
1331         if (dashed) {
1332                 cairo_set_dash (cr, 0, 0, 0);
1333         }
1334 }
1335
1336 bool
1337 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
1338 {
1339         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1340
1341         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1342         cairo_clip (cr);
1343
1344         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
1345
1346         Gtk::Allocation a = get_allocation();
1347         double const width = a.get_width();
1348         double const height = a.get_height();
1349
1350         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1351         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1352
1353         cairo_rectangle (cr, 0, 0, width, height);
1354         cairo_fill (cr);
1355
1356         if (_input) {
1357                 if (can_coalesce ()) {
1358                         expose_coalesced_input_map (cr, width, height);
1359                 } else {
1360                         expose_input_map (cr, width, height);
1361                 }
1362         } else {
1363                 expose_output_map (cr, width, height);
1364         }
1365
1366         cairo_destroy(cr);
1367         return true;
1368 }
1369
1370 void
1371 ProcessorEntry::RoutingIcon::expose_coalesced_input_map (cairo_t* cr, const double width, const double height)
1372 {
1373         const uint32_t pc_in = _sinks.n_total();
1374         const uint32_t pc_in_midi = _sinks.n_midi();
1375
1376         for (uint32_t i = 0; i < pc_in; ++i) {
1377                 const bool is_midi = i < pc_in_midi;
1378                 bool valid_in;
1379                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1380                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1381                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1382                 if (!valid_in) {
1383                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1384                         draw_gnd (cr, x, 0, height, is_midi);
1385                         continue;
1386                 }
1387                 if (idx >= _in.get (dt)) {
1388                         // side-chain, probably
1389                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1390                         draw_sidechain (cr, x, 0, height, is_midi);
1391                         continue;
1392                 }
1393                 double c_x0;
1394                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1395
1396                 if (_fed_by) {
1397                         bool valid_src;
1398                         uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
1399                         if (!valid_src) {
1400                                 double x = pin_x_pos (i, width, pc_in, 0, false);
1401                                 bool valid_thru;
1402                                 _f_thru_map.get (dt, idx, &valid_thru);
1403                                 if (valid_thru) {
1404                                         draw_thru_src (cr, x, 0, height, is_midi);
1405                                 } else {
1406                                         draw_gnd (cr, x, 0, height, is_midi);
1407                                 }
1408                                 continue;
1409                         }
1410                         c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
1411                 } else {
1412                         c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
1413                 }
1414                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1415         }
1416 }
1417
1418 void
1419 ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
1420 {
1421         const uint32_t n_in = _in.n_total();
1422         const uint32_t n_in_midi = _in.n_midi();
1423         const uint32_t pc_in = _sinks.n_total();
1424         const uint32_t pc_in_midi = _sinks.n_midi();
1425
1426         // draw inputs to this
1427         for (uint32_t i = 0; i < pc_in; ++i) {
1428                 const bool is_midi = i < pc_in_midi;
1429                 bool valid_in;
1430                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1431                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1432                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1433                 // check if it's fed
1434                 bool valid_src = true;
1435                 if (valid_in && idx < _in.get (dt) && _fed_by) {
1436                         bool valid_out;
1437                         bool valid_thru;
1438                         _f_out_map.get_src (dt, idx, &valid_out);
1439                         _f_thru_map.get (dt, idx, &valid_thru);
1440                         if (!valid_out && !valid_thru) {
1441                                 valid_src = false;
1442                         }
1443                 }
1444                 if (!valid_in || !valid_src) {
1445                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1446                         draw_gnd (cr, x, 0, height, is_midi);
1447                         continue;
1448                 }
1449                 if (idx >= _in.get (dt)) {
1450                         // side-chain, probably
1451                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1452                         draw_sidechain (cr, x, 0, height, is_midi);
1453                         continue;
1454                 }
1455                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1456                 double c_x0 = pin_x_pos (idx, width, n_in, n_in_midi, is_midi);
1457                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1458         }
1459
1460         // draw reverse thru
1461         for (uint32_t i = 0; i < n_in; ++i) {
1462                 const bool is_midi = i < n_in_midi;
1463                 bool valid_thru;
1464                 uint32_t pn = is_midi ? i : i - n_in_midi;
1465                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1466                 _thru_map.get_src (dt, pn, &valid_thru);
1467                 if (!valid_thru) {
1468                         continue;
1469                 }
1470                 double x = pin_x_pos (i, width, n_in, 0, is_midi);
1471                 draw_thru_sink (cr, x, 0, height, is_midi);
1472         }
1473 }
1474
1475 void
1476 ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
1477 {
1478         int dh = std::max (4.f, rintf(4.f * UIConfiguration::instance().get_ui_scale()));
1479         double ht = _terminal ? height - dh : height;
1480
1481         // draw outputs of this
1482         const uint32_t pc_out = _sources.n_total();
1483         const uint32_t pc_out_midi = _sources.n_midi();
1484         const uint32_t n_out = _out.n_total();
1485         const uint32_t n_out_midi = _out.n_midi();
1486
1487         for (uint32_t i = 0; i < pc_out; ++i) {
1488                 const bool is_midi = i < pc_out_midi;
1489                 bool valid_out;
1490                 uint32_t pn = is_midi ? i : i - pc_out_midi;
1491                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1492                 uint32_t idx = _out_map.get (dt, pn, &valid_out);
1493                 if (!valid_out) {
1494                         continue;
1495                 }
1496                 // skip connections that are not used in the next's input
1497                 if (_feeding) {
1498                         bool valid_thru, valid_sink;
1499                         _i_in_map.get_src (dt, idx, &valid_sink);
1500                         _i_thru_map.get_src (dt, idx, &valid_thru);
1501                         if (!valid_thru && !valid_sink) {
1502                                 if (!is_midi || i != 0) { // special case midi-bypass
1503                                         continue;
1504                                 }
1505                         }
1506                 }
1507                 double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
1508                 double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
1509                 draw_connection (cr, c_x0, c_x1, 0, ht, is_midi);
1510         }
1511
1512         for (uint32_t i = 0; i < n_out; ++i) {
1513                 const bool is_midi = i < n_out_midi;
1514                 uint32_t pn = is_midi ? i : i - n_out_midi;
1515                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1516                 double x = pin_x_pos (i, width, n_out, 0, is_midi);
1517
1518                 if (!_terminal) {
1519                         bool valid_thru_f = false;
1520                         // skip connections that are not used in the next's input
1521                         if (_feeding) {
1522                                 bool valid_sink;
1523                                 _i_in_map.get_src (dt, pn, &valid_sink);
1524                                 _i_thru_map.get_src (dt, pn, &valid_thru_f);
1525                                 if (!valid_thru_f && !valid_sink) {
1526                                         if (!is_midi || i != 0) { // special case midi-bypass
1527                                                 continue;
1528                                         }
1529                                 }
1530                         }
1531
1532                         bool valid_src;
1533                         _out_map.get_src (dt, pn, &valid_src);
1534                         if (!valid_src) {
1535                                 bool valid_thru;
1536                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1537                                 if (valid_thru) {
1538                                         if (idx >= _in.get (dt)) {
1539                                                 draw_sidechain (cr, x, 0, height, is_midi);
1540                                         } else {
1541                                                 draw_thru_src (cr, x, 0, height, is_midi);
1542                                         }
1543                                 } else if (valid_thru_f){
1544                                         // gnd is part of input, unless it's a thru input
1545                                         // (also only true if !coalesced into one small display)
1546                                         draw_gnd (cr, x, 0, height, is_midi);
1547                                 }
1548                         }
1549                 } else {
1550                         // terminal node, add arrows
1551                         bool valid_src;
1552                         _out_map.get_src (dt, pn, &valid_src);
1553                         if (!valid_src) {
1554                                 bool valid_thru;
1555                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1556                                 if (valid_thru) {
1557                                         if (idx >= _in.get (dt)) {
1558                                                 draw_sidechain (cr, x, 0, height - dh, is_midi);
1559                                         } else {
1560                                                 draw_thru_src (cr, x, 0, height - dh, is_midi);
1561                                         }
1562                                 } else {
1563                                         draw_gnd (cr, x, 0, height - dh, is_midi);
1564                                 }
1565                         }
1566
1567                         set_routing_color (cr, is_midi);
1568                         cairo_set_line_width (cr, 1.0);
1569                         cairo_move_to (cr, x, height - dh);
1570                         cairo_line_to (cr, x, height - 2);
1571                         cairo_stroke (cr);
1572
1573                         const double ar = dh - 1;
1574                         cairo_move_to (cr, x - ar, height - ar);
1575                         cairo_line_to (cr, x     , height - .5);
1576                         cairo_line_to (cr, x + ar, height - ar);
1577                         cairo_line_to (cr, x     , height - ar * .5);
1578                         cairo_close_path (cr);
1579                         cairo_fill_preserve (cr);
1580                         cairo_stroke (cr);
1581                 }
1582         }
1583 }
1584
1585 ProcessorEntry::PluginInlineDisplay::PluginInlineDisplay (ProcessorEntry& e, boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
1586         : PluginDisplay (p, max_height)
1587         , _entry (e)
1588         , _scroll (false)
1589         , _given_max_height (max_height)
1590 {
1591         std::string postfix = string_compose(_("\n%1+double-click to toggle inline-display"), Keyboard::tertiary_modifier_name ());
1592
1593         if (_plug->has_editor()) {
1594                 set_tooltip (*this,
1595                                 string_compose (_("<b>%1</b>\nDouble-click to show GUI.\n%2+double-click to show generic GUI.%3"), e.name (Wide), Keyboard::primary_modifier_name (), postfix));
1596         } else {
1597                 set_tooltip (*this,
1598                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), e.name (Wide), postfix));
1599         }
1600 }
1601
1602
1603 bool
1604 ProcessorEntry::PluginInlineDisplay::on_button_press_event (GdkEventButton *ev)
1605 {
1606         assert (_entry.processor ());
1607
1608         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_entry.processor());
1609         // duplicated code :(
1610         // consider some tweaks to pass this up to the DnDVBox somehow:
1611         // select processor, then call (private)
1612         //_entry._parent->processor_button_press_event (ev, &_entry);
1613         if (pi && pi->plugin() && pi->plugin()->has_inline_display()
1614                         && Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)
1615                         && ev->button == 1
1616                         && ev->type == GDK_2BUTTON_PRESS) {
1617                 _entry.toggle_inline_display_visibility ();
1618                 return true;
1619         }
1620         else if (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS)) {
1621                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
1622                         _entry._parent->generic_edit_processor (_entry.processor ());
1623                 } else {
1624                         _entry._parent->edit_processor (_entry.processor ());
1625                 }
1626                 return true;
1627         }
1628         return false;
1629 }
1630
1631 void
1632 ProcessorEntry::PluginInlineDisplay::on_size_request (Requisition* req)
1633 {
1634         req->width = 56;
1635         req->height = _cur_height;
1636 }
1637
1638
1639 void
1640 ProcessorEntry::PluginInlineDisplay::update_height_alloc (uint32_t inline_height)
1641 {
1642         /* work-around scroll-bar + aspect ratio
1643          * show inline-view -> height changes -> scrollbar gets added
1644          * -> width changes -> inline-view, fixed aspect ratio -> height changes
1645          * -> scroll bar is removed [-> width changes ; repeat ]
1646          */
1647         uint32_t shm = std::min (_max_height, inline_height);
1648         bool sc = false;
1649         Gtk::Container* pr = get_parent();
1650         for (uint32_t i = 0; i < 4 && pr; ++i) {
1651                 // VBox, EventBox, ViewPort, ScrolledWindow
1652                 pr = pr->get_parent();
1653         }
1654         Gtk::ScrolledWindow* sw = dynamic_cast<Gtk::ScrolledWindow*> (pr);
1655         if (sw) {
1656                 const Gtk::VScrollbar* vsb = sw->get_vscrollbar();
1657                 sc = vsb && vsb->is_visible();
1658         }
1659
1660         if (shm != _cur_height) {
1661                 queue_resize ();
1662                 if (!_scroll && sc) {
1663                         _max_height = shm;
1664                 } else {
1665                         _max_height = _given_max_height;
1666                 }
1667                 _cur_height = shm;
1668         }
1669
1670         _scroll = sc;
1671 }
1672
1673 void
1674 ProcessorEntry::PluginInlineDisplay::display_sample (cairo_t* cr, double w, double h)
1675 {
1676         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, w - 1, h + 1, 7);
1677 }
1678
1679 ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (ProcessorEntry& e, boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
1680         : PluginInlineDisplay (e, p, max_height)
1681         , _luaproc (p)
1682         , _lua_render_inline (0)
1683 {
1684         p->setup_lua_inline_gui (&lua_gui);
1685
1686         lua_State* LG = lua_gui.getState ();
1687         LuaInstance::bind_cairo (LG);
1688         luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
1689         assert (lua_render.isFunction ());
1690         _lua_render_inline = new luabridge::LuaRef (lua_render);
1691 }
1692
1693 ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
1694 {
1695         delete (_lua_render_inline);
1696 }
1697
1698 uint32_t
1699 ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
1700 {
1701         Cairo::Context ctx (cr);
1702         try {
1703                 luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
1704                 lua_gui.collect_garbage_step ();
1705                 if (rv.isTable ()) {
1706                         uint32_t h = rv[2];
1707                         return h;
1708                 }
1709         } catch (luabridge::LuaException const& e) {
1710 #ifndef NDEBUG
1711                 cerr << "LuaException:" << e.what () << endl;
1712 #endif
1713         } catch (...) { }
1714         return 0;
1715 }
1716
1717
1718 static std::list<Gtk::TargetEntry> drop_targets()
1719 {
1720         std::list<Gtk::TargetEntry> tmp;
1721         tmp.push_back (Gtk::TargetEntry ("processor")); // from processor-box to processor-box
1722         tmp.push_back (Gtk::TargetEntry ("PluginInfoPtr")); // from plugin-manager
1723         tmp.push_back (Gtk::TargetEntry ("PluginFavoritePtr")); // from sidebar
1724         return tmp;
1725 }
1726
1727 static std::list<Gtk::TargetEntry> drag_targets()
1728 {
1729         std::list<Gtk::TargetEntry> tmp;
1730         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // to sidebar (optional preset)
1731         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor-box (copy)
1732         return tmp;
1733 }
1734
1735 static std::list<Gtk::TargetEntry> drag_targets_noplugin()
1736 {
1737         std::list<Gtk::TargetEntry> tmp;
1738         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor box (sends, faders re-order)
1739         return tmp;
1740 }
1741
1742 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1743                             ProcessorSelection& psel, MixerStrip* parent, bool owner_is_mixer)
1744         : _parent_strip (parent)
1745         , _owner_is_mixer (owner_is_mixer)
1746         , ab_direction (true)
1747         , _get_plugin_selector (get_plugin_selector)
1748         , _placement (-1)
1749         , _p_selection(psel)
1750         , processor_display (drop_targets())
1751         , _redisplay_pending (false)
1752 {
1753         set_session (sess);
1754
1755         /* ProcessorBox actions and bindings created statically by call to
1756          * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
1757          * are available for context menus.
1758          */
1759
1760         processor_display.set_data ("ardour-bindings", bindings);
1761
1762         _width = Wide;
1763         processor_menu = 0;
1764         no_processor_redisplay = false;
1765
1766         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1767         processor_scroller.add (processor_display);
1768         pack_start (processor_scroller, true, true);
1769
1770         processor_display.set_flags (CAN_FOCUS);
1771         processor_display.set_name ("ProcessorList");
1772         processor_display.set_data ("processorbox", this);
1773         processor_display.set_size_request (48, -1);
1774         processor_display.set_spacing (0);
1775
1776         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1777         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1778
1779         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1780         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1781
1782         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1783         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1784         processor_display.DropFromExternal.connect (sigc::mem_fun (*this, &ProcessorBox::plugin_drop));
1785
1786         processor_scroller.show ();
1787         processor_display.show ();
1788
1789         if (parent) {
1790                 parent->DeliveryChanged.connect (
1791                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1792                         );
1793         }
1794
1795         set_tooltip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1796 }
1797
1798 ProcessorBox::~ProcessorBox ()
1799 {
1800         /* it may appear as if we should delete processor_menu but that is a
1801          * pointer to a widget owned by the UI Manager, and has potentially
1802          * be returned to many other ProcessorBoxes. GTK doesn't really make
1803          * clear the ownership of this widget, which is a menu and thus is
1804          * never packed into any container other than an implict GtkWindow.
1805          *
1806          * For now, until or if we ever get clarification over the ownership
1807          * story just let it continue to exist. At worst, its a small memory leak.
1808          */
1809 }
1810
1811 void
1812 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1813 {
1814         if (_route == r) {
1815                 return;
1816         }
1817
1818         _route_connections.drop_connections();
1819
1820         /* new route: any existing block on processor redisplay must be meaningless */
1821         no_processor_redisplay = false;
1822         _route = r;
1823
1824         _route->processors_changed.connect (
1825                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1826                 );
1827
1828         _route->DropReferences.connect (
1829                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1830                 );
1831
1832         _route->PropertyChanged.connect (
1833                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1834                 );
1835
1836         redisplay_processors ();
1837 }
1838
1839 void
1840 ProcessorBox::route_going_away ()
1841 {
1842         /* don't keep updating display as processors are deleted */
1843         no_processor_redisplay = true;
1844         _route.reset ();
1845 }
1846
1847 boost::shared_ptr<Processor>
1848 ProcessorBox::find_drop_position (ProcessorEntry* position)
1849 {
1850         boost::shared_ptr<Processor> p;
1851         if (position) {
1852                 p = position->processor ();
1853                 if (!p) {
1854                         /* dropped on the blank entry (which will be before the
1855                                  fader), so use the first non-blank child as our
1856                                  `dropped on' processor */
1857                         list<ProcessorEntry*> c = processor_display.children ();
1858                         list<ProcessorEntry*>::iterator i = c.begin ();
1859
1860                         assert (i != c.end ());
1861                         p = (*i)->processor ();
1862                         assert (p);
1863                 }
1864         }
1865         return p;
1866 }
1867
1868 void
1869 ProcessorBox::_drop_plugin_preset (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1870 {
1871                 const void * d = data.get_data();
1872                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1873
1874                 PluginPresetList nfos;
1875                 TreeView* source;
1876                 tv->get_object_drag_data (nfos, &source);
1877
1878                 for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1879                         PluginPresetPtr ppp = (*i);
1880                         PluginInfoPtr pip = ppp->_pip;
1881                         PluginPtr p = pip->load (*_session);
1882                         if (!p) {
1883                                 continue;
1884                         }
1885
1886                         if (ppp->_preset.valid) {
1887                                 p->load_preset (ppp->_preset);
1888                         }
1889
1890                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1891                         if (Config->get_new_plugins_active ()) {
1892                                 processor->enable (true);
1893                         }
1894                         pl.push_back (processor);
1895                 }
1896 }
1897
1898 void
1899 ProcessorBox::_drop_plugin (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1900 {
1901                 const void * d = data.get_data();
1902                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>*>(d);
1903                 PluginInfoList nfos;
1904
1905                 TreeView* source;
1906                 tv->get_object_drag_data (nfos, &source);
1907
1908                 for (list<PluginInfoPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1909                         PluginPtr p = (*i)->load (*_session);
1910                         if (!p) {
1911                                 continue;
1912                         }
1913                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1914                         if (Config->get_new_plugins_active ()) {
1915                                 processor->enable (true);
1916                         }
1917                         pl.push_back (processor);
1918                 }
1919 }
1920
1921 void
1922 ProcessorBox::plugin_drop (Gtk::SelectionData const &data, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1923 {
1924         if (!_session) {
1925                 return;
1926         }
1927
1928         boost::shared_ptr<Processor> p = find_drop_position (position);
1929         Route::ProcessorList pl;
1930
1931         if (data.get_target() == "PluginInfoPtr") {
1932                 _drop_plugin (data, pl);
1933         }
1934         else if (data.get_target() == "PluginFavoritePtr") {
1935                 _drop_plugin_preset (data, pl);
1936         }
1937         else {
1938                 return;
1939         }
1940
1941         Route::ProcessorStreams err;
1942         if (_route->add_processors (pl, p, &err)) {
1943                 string msg = _(
1944                                 "Processor Drag/Drop failed. Probably because\n\
1945 the I/O configuration of the plugins could\n\
1946 not match the configuration of this track.");
1947                 MessageDialog am (msg);
1948                 am.run ();
1949         }
1950 }
1951
1952 void
1953 ProcessorBox::object_drop (DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1954 {
1955         if (Gdk::ACTION_LINK == context->get_selected_action()) {
1956                 list<ProcessorEntry*> children = source->selection ();
1957                 assert (children.size() == 1);
1958                 ProcessorEntry* other = *children.begin();
1959                 assert (other->can_copy_state (position));
1960                 boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
1961                 boost::shared_ptr<ARDOUR::Processor> proc = position->processor();
1962                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
1963                 assert (otherproc && proc && pi);
1964
1965                 PBD::ID id = pi->id();
1966                 XMLNode& state = otherproc->get_state ();
1967                 /* strip side-chain state (processor inside processor must be a side-chain)
1968                  * otherwise we'll end up with duplicate ports-names.
1969                  * (this needs a better solution which retains connections)
1970                  */
1971                 state.remove_nodes_and_delete ("Processor");
1972                 proc->set_state (state, Stateful::loading_state_version);
1973                 boost::dynamic_pointer_cast<PluginInsert>(proc)->update_id (id);
1974                 return;
1975         }
1976
1977         boost::shared_ptr<Processor> p = find_drop_position (position);
1978
1979         list<ProcessorEntry*> children = source->selection (true);
1980         list<boost::shared_ptr<Processor> > procs;
1981         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
1982                 if ((*i)->processor ()) {
1983                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
1984                                 continue;
1985                         }
1986                         procs.push_back ((*i)->processor ());
1987                 }
1988         }
1989
1990         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
1991                 XMLNode& state = (*i)->get_state ();
1992                 XMLNodeList nlist;
1993                 nlist.push_back (&state);
1994                 paste_processor_state (nlist, p);
1995                 delete &state;
1996         }
1997
1998         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
1999            ourselves.
2000         */
2001
2002         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
2003                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
2004                 if (other) {
2005                         other->delete_dragged_processors (procs);
2006                 }
2007         }
2008 }
2009
2010 void
2011 ProcessorBox::set_width (Width w)
2012 {
2013         if (_width == w) {
2014                 return;
2015         }
2016
2017         _width = w;
2018
2019         list<ProcessorEntry*> children = processor_display.children ();
2020         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2021                 (*i)->set_enum_width (w);
2022         }
2023
2024         queue_resize ();
2025 }
2026
2027 Gtk::Menu*
2028 ProcessorBox::build_possible_aux_menu ()
2029 {
2030         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2031
2032         if (rl->empty()) {
2033                 /* No aux sends if there are no busses */
2034                 return 0;
2035         }
2036
2037         if (_route->is_monitor () || _route->is_listenbus ()) {
2038                 return 0;
2039         }
2040
2041         using namespace Menu_Helpers;
2042         Menu* menu = manage (new Menu);
2043         MenuList& items = menu->items();
2044
2045         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2046                 if ((*r)->is_master() || (*r)->is_monitor () || *r == _route) {
2047                         /* don't allow sending to master or monitor or to self */
2048                         continue;
2049                 }
2050                 if ((*r)->is_listenbus ()) {
2051                         continue;
2052                 }
2053                 if (_route->internal_send_for (*r)) {
2054                         /* aux-send to target already exists */
2055                         continue;
2056                 }
2057                 items.push_back (MenuElemNoMnemonic ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
2058         }
2059
2060         return menu;
2061 }
2062
2063 Gtk::Menu*
2064 ProcessorBox::build_possible_listener_menu ()
2065 {
2066         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2067
2068         if (rl->empty()) {
2069                 /* No aux sends if there are no busses */
2070                 return 0;
2071         }
2072
2073         if (_route->is_monitor () || _route->is_listenbus ()) {
2074                 return 0;
2075         }
2076
2077         using namespace Menu_Helpers;
2078         Menu* menu = manage (new Menu);
2079         MenuList& items = menu->items();
2080
2081         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2082                 if ((*r)->is_master() || (*r)->is_monitor () || *r == _route) {
2083                         /* don't allow sending to master or monitor or to self */
2084                         continue;
2085                 }
2086                 if (!(*r)->is_listenbus ()) {
2087                         continue;
2088                 }
2089                 if (_route->internal_send_for (*r)) {
2090                         /* aux-send to target already exists */
2091                         continue;
2092                 }
2093                 items.push_back (MenuElemNoMnemonic ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
2094         }
2095
2096         return menu;
2097 }
2098
2099 Gtk::Menu*
2100 ProcessorBox::build_possible_remove_listener_menu ()
2101 {
2102         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2103
2104         if (rl->empty()) {
2105                 /* No aux sends if there are no busses */
2106                 return 0;
2107         }
2108
2109         if (_route->is_monitor () || _route->is_listenbus ()) {
2110                 return 0;
2111         }
2112
2113         using namespace Menu_Helpers;
2114         Menu* menu = manage (new Menu);
2115         MenuList& items = menu->items();
2116
2117         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2118                 if ((*r)->is_master() || (*r)->is_monitor () || *r == _route) {
2119                         /* don't allow sending to master or monitor or to self */
2120                         continue;
2121                 }
2122                 if (!(*r)->is_listenbus ()) {
2123                         continue;
2124                 }
2125                 if (!_route->internal_send_for (*r)) {
2126                         /* aux-send to target already exists */
2127                         continue;
2128                 }
2129                 items.push_back (MenuElemNoMnemonic ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_remove_aux), boost::weak_ptr<Route>(*r))));
2130         }
2131
2132         return menu;
2133 }
2134
2135 void
2136 ProcessorBox::show_processor_menu (int arg)
2137 {
2138         if (processor_menu == 0) {
2139                 processor_menu = build_processor_menu ();
2140                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
2141         }
2142
2143         /* Sort out the plugin submenu */
2144
2145         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
2146
2147         if (plugin_menu_item) {
2148                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
2149         }
2150
2151         /* And the aux submenu */
2152
2153         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
2154
2155         if (aux_menu_item) {
2156                 Menu* m = build_possible_aux_menu();
2157                 if (m && !m->items().empty()) {
2158                         aux_menu_item->set_submenu (*m);
2159                         aux_menu_item->set_sensitive (true);
2160                 } else {
2161                         /* stupid gtkmm: we need to pass a null reference here */
2162                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
2163                         aux_menu_item->set_sensitive (false);
2164                 }
2165         }
2166
2167         Gtk::MenuItem* listen_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newlisten"));
2168
2169         if (listen_menu_item) {
2170                 Menu* m = build_possible_listener_menu();
2171                 if (m && !m->items().empty()) {
2172                         listen_menu_item->set_submenu (*m);
2173                         listen_menu_item->set_sensitive (true);
2174                 } else {
2175                         /* stupid gtkmm: we need to pass a null reference here */
2176                         gtk_menu_item_set_submenu (listen_menu_item->gobj(), 0);
2177                         listen_menu_item->set_sensitive (false);
2178                 }
2179         }
2180
2181         Gtk::MenuItem* remove_listen_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/removelisten"));
2182
2183         if (remove_listen_menu_item) {
2184                 Menu* m = build_possible_remove_listener_menu();
2185                 if (m && !m->items().empty()) {
2186                         remove_listen_menu_item->set_submenu (*m);
2187                         remove_listen_menu_item->set_sensitive (true);
2188                 } else {
2189                         /* stupid gtkmm: we need to pass a null reference here */
2190                         gtk_menu_item_set_submenu (remove_listen_menu_item->gobj(), 0);
2191                         remove_listen_menu_item->set_sensitive (false);
2192                 }
2193         }
2194
2195         ActionManager::get_action (X_("ProcessorMenu"), "newinsert")->set_sensitive (!_route->is_monitor () && !_route->is_listenbus ());
2196         ActionManager::get_action (X_("ProcessorMenu"), "newsend")->set_sensitive (!_route->is_monitor () && !_route->is_listenbus ());
2197
2198         ProcessorEntry* single_selection = 0;
2199         if (processor_display.selection().size() == 1) {
2200                 single_selection = processor_display.selection().front();
2201         }
2202
2203         /* And the controls submenu */
2204
2205         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
2206
2207         if (controls_menu_item) {
2208                 if (single_selection) {
2209                         Menu* m = single_selection->build_controls_menu ();
2210                         if (m && !m->items().empty()) {
2211                                 controls_menu_item->set_submenu (*m);
2212                                 controls_menu_item->set_sensitive (true);
2213                         } else {
2214                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
2215                                 controls_menu_item->set_sensitive (false);
2216                         }
2217                 } else {
2218                         controls_menu_item->set_sensitive (false);
2219                 }
2220         }
2221
2222
2223         Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
2224         if (send_menu_item) {
2225                 if (single_selection && !_route->is_monitor()) {
2226                         Menu* m = single_selection->build_send_options_menu ();
2227                         if (m && !m->items().empty()) {
2228                                 send_menu_item->set_submenu (*m);
2229                                 send_menu_item->set_sensitive (true);
2230                         } else {
2231                                 gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
2232                                 send_menu_item->set_sensitive (false);
2233                         }
2234                 } else {
2235                         send_menu_item->set_sensitive (false);
2236                 }
2237         }
2238
2239         /* Sensitise actions as approprioate */
2240
2241         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
2242
2243         paste_action->set_sensitive (!_p_selection.processors.empty());
2244         cut_action->set_sensitive (sensitive && can_cut ());
2245         copy_action->set_sensitive (sensitive);
2246         delete_action->set_sensitive (sensitive || stub_processor_selected ());
2247         backspace_action->set_sensitive (sensitive || stub_processor_selected ());
2248
2249         edit_action->set_sensitive (one_processor_can_be_edited ());
2250         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
2251
2252         boost::shared_ptr<PluginInsert> pi;
2253         if (single_selection) {
2254                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
2255         }
2256
2257         manage_pins_action->set_sensitive (pi != 0);
2258         if (boost::dynamic_pointer_cast<Track>(_route)) {
2259                 disk_io_action->set_sensitive (true);
2260         } else {
2261                 disk_io_action->set_sensitive (false);
2262         }
2263
2264         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
2265         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
2266
2267         /* disallow rename for multiple selections, for plugin inserts and for the fader */
2268         rename_action->set_sensitive (single_selection
2269                         && !pi
2270                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
2271                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
2272
2273         processor_menu->popup (1, arg);
2274
2275         /* Add a placeholder gap to the processor list to indicate where a processor would be
2276            inserted were one chosen from the menu.
2277         */
2278         int x, y;
2279         processor_display.get_pointer (x, y);
2280         _placement = processor_display.add_placeholder (y);
2281 }
2282
2283 bool
2284 ProcessorBox::enter_notify (GdkEventCrossing*)
2285 {
2286         processor_display.grab_focus ();
2287         _current_processor_box = this;
2288         return false;
2289 }
2290
2291 bool
2292 ProcessorBox::leave_notify (GdkEventCrossing* ev)
2293 {
2294         if (ev->detail == GDK_NOTIFY_INFERIOR) {
2295                 return false;
2296         }
2297
2298         Widget* top = get_toplevel();
2299
2300         if (top->is_toplevel()) {
2301                 Window* win = dynamic_cast<Window*> (top);
2302                 gtk_window_set_focus (win->gobj(), 0);
2303         }
2304
2305         return false;
2306 }
2307
2308 bool
2309 ProcessorBox::processor_operation (ProcessorOperation op)
2310 {
2311         ProcSelection targets;
2312
2313         get_selected_processors (targets);
2314
2315 /*      if (targets.empty()) {
2316
2317                 int x, y;
2318                 processor_display.get_pointer (x, y);
2319
2320                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
2321
2322                 if (pointer.first && pointer.first->processor()) {
2323                         targets.push_back (pointer.first->processor ());
2324                 }
2325         }
2326 */
2327
2328         if ((op == ProcessorsDelete) && targets.empty()) {
2329                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
2330         }
2331
2332         switch (op) {
2333         case ProcessorsSelectAll:
2334                 processor_display.select_all ();
2335                 break;
2336
2337         case ProcessorsSelectNone:
2338                 processor_display.select_none ();
2339                 break;
2340
2341         case ProcessorsCopy:
2342                 copy_processors (targets);
2343                 break;
2344
2345         case ProcessorsCut:
2346                 cut_processors (targets);
2347                 break;
2348
2349         case ProcessorsPaste:
2350                 // some processors are not selectable (e.g fader, meter), target is empty.
2351                 if (targets.empty() && _placement >= 0) {
2352                         assert (_route);
2353                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
2354                         if (proc) {
2355                                 targets.push_back (proc);
2356                         }
2357                 }
2358                 if (targets.empty()) {
2359                         paste_processors ();
2360                 } else {
2361                         paste_processors (targets.front());
2362                 }
2363                 break;
2364
2365         case ProcessorsDelete:
2366                 delete_processors (targets);
2367                 break;
2368
2369         case ProcessorsToggleActive:
2370                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
2371                         if (!(*i)->display_to_user ()) {
2372                                 assert (0); // these should not be selectable to begin with.
2373                                 continue;
2374                         }
2375                         if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
2376                                 continue;
2377                         }
2378 #ifdef MIXBUS
2379                         if (boost::dynamic_pointer_cast<PluginInsert> (*i)->is_channelstrip()) {
2380                                 continue;
2381                         }
2382 #endif
2383                         (*i)->enable (!(*i)->enabled ());
2384                 }
2385                 break;
2386
2387         case ProcessorsAB:
2388                 ab_plugins ();
2389                 break;
2390
2391         default:
2392                 break;
2393         }
2394
2395         return true;
2396 }
2397
2398 ProcessorWindowProxy*
2399 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
2400 {
2401         return  processor->window_proxy();
2402 }
2403
2404
2405 bool
2406 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
2407 {
2408         boost::shared_ptr<Processor> processor;
2409         if (child) {
2410                 processor = child->processor ();
2411         }
2412
2413         int ret = false;
2414         bool selected = processor_display.selected (child);
2415
2416         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (processor);
2417         if (pi && pi->plugin() && pi->plugin()->has_inline_display()
2418                         && Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)
2419                         && ev->button == 1
2420                         && ev->type == GDK_2BUTTON_PRESS) {
2421                 child->toggle_inline_display_visibility ();
2422                 return true;
2423         }
2424
2425         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
2426
2427                 if (_session->engine().connected()) {
2428                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
2429
2430                         if (!one_processor_can_be_edited ()) {
2431                                 return true;
2432                         }
2433
2434                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
2435                                 generic_edit_processor (processor);
2436                         } else {
2437                                 edit_processor (processor);
2438                         }
2439                 }
2440
2441                 ret = true;
2442
2443         } else if (Keyboard::is_context_menu_event (ev)) {
2444
2445                 show_processor_menu (ev->time);
2446
2447                 ret = true;
2448
2449         } else if (processor && ev->button == 1 && selected) {
2450
2451                 // this is purely informational but necessary for route params UI
2452                 ProcessorSelected (processor); // emit
2453
2454         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
2455
2456                 choose_plugin ();
2457                 _get_plugin_selector()->show_manager ();
2458         }
2459
2460         return ret;
2461 }
2462
2463 bool
2464 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
2465 {
2466         boost::shared_ptr<Processor> processor;
2467         if (child) {
2468                 processor = child->processor ();
2469         }
2470
2471         if (processor && Keyboard::is_delete_event (ev)) {
2472
2473                 Glib::signal_idle().connect (sigc::bind (
2474                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
2475                                 boost::weak_ptr<Processor>(processor)));
2476
2477         } else if (processor && Keyboard::is_button2_event (ev)
2478 #ifndef __APPLE__
2479                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
2480 #endif
2481                 ) {
2482
2483                 /* button2-click with no/appropriate modifiers */
2484                 processor->enable (!processor->enabled ());
2485         }
2486
2487         return false;
2488 }
2489
2490 Menu *
2491 ProcessorBox::build_processor_menu ()
2492 {
2493         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
2494         processor_menu->set_name ("ArdourContextMenu");
2495         return processor_menu;
2496 }
2497
2498 void
2499 ProcessorBox::select_all_processors ()
2500 {
2501         processor_display.select_all ();
2502 }
2503
2504 void
2505 ProcessorBox::deselect_all_processors ()
2506 {
2507         processor_display.select_none ();
2508 }
2509
2510 void
2511 ProcessorBox::choose_plugin ()
2512 {
2513         _get_plugin_selector()->set_interested_object (*this);
2514 }
2515
2516 /** @return true if an error occurred, otherwise false */
2517 bool
2518 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
2519 {
2520         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
2521
2522                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
2523
2524                 Route::ProcessorStreams err_streams;
2525
2526                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2527                         weird_plugin_dialog (**p, err_streams);
2528                         return true;
2529                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
2530                 } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
2531                         if (processor->what_can_be_automated ().size () == 0) {
2532                                 ; /* plugin without controls, don't show ui */
2533                         }
2534                         else if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
2535                                 ; /* only show inline display */
2536                         }
2537                         else if (_session->engine().connected () && processor_can_be_edited (processor)) {
2538                                 if ((*p)->has_editor ()) {
2539                                         edit_processor (processor);
2540                                 } else if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->parameter_count() > 0) {
2541                                         generic_edit_processor (processor);
2542                                 }
2543                         }
2544                 }
2545                 /* add next processor below the currently added.
2546                  * Note: placement < 0: add the bottom */
2547                 if (_placement >= 0) {
2548                         ++_placement;
2549                 }
2550         }
2551
2552         return false;
2553 }
2554
2555 void
2556 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
2557 {
2558         /* XXX this needs to be re-worked!
2559          *
2560          * With new pin-management "streams" is no longer correct.
2561          * p.get_info () is also incorrect for variable i/o plugins (always -1,-1).
2562          *
2563          * Since pin-management was added, this dialog will only show in a very rare
2564          * condition (non-replicated variable i/o configuration failed).
2565          *
2566          * TODO: simplify the message after the string-freeze is lifted.
2567          */
2568         ArdourDialog dialog (_("Plugin Incompatibility"));
2569         Label label;
2570
2571         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
2572                         p.name(), streams.index);
2573
2574         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
2575         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
2576
2577         text += _("\nThis plugin has:\n");
2578         if (has_midi) {
2579                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
2580                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
2581         }
2582         if (has_audio) {
2583                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
2584                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
2585         }
2586
2587         text += _("\nbut at the insertion point, there are:\n");
2588         if (has_midi) {
2589                 uint32_t const n = streams.count.n_midi ();
2590                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
2591         }
2592         if (has_audio) {
2593                 uint32_t const n = streams.count.n_audio ();
2594                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
2595         }
2596
2597         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
2598         label.set_text(text);
2599
2600         dialog.get_vbox()->pack_start (label);
2601         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2602
2603         dialog.set_name (X_("PluginIODialog"));
2604         dialog.set_modal (true);
2605         dialog.show_all ();
2606
2607         dialog.run ();
2608 }
2609
2610 void
2611 ProcessorBox::choose_insert ()
2612 {
2613         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
2614         _route->add_processor_by_index (processor, _placement);
2615 }
2616
2617 /* Caller must not hold process lock */
2618 void
2619 ProcessorBox::choose_send ()
2620 {
2621         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable (), _route->mute_master()));
2622
2623         /* make an educated guess at the initial number of outputs for the send */
2624         ChanCount outs = (_route->n_outputs().n_audio() && _session->master_out())
2625                         ? _session->master_out()->n_outputs()
2626                         : _route->n_outputs();
2627
2628         /* XXX need processor lock on route */
2629         try {
2630                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
2631                 send->output()->ensure_io (outs, false, this);
2632         } catch (AudioEngine::PortRegistrationFailure& err) {
2633                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
2634                 return;
2635         }
2636
2637         /* let the user adjust the IO setup before creation.
2638
2639            Note: this dialog is NOT modal - we just leave it to run and it will
2640            return when its Finished signal is emitted - typically when the window
2641            is closed.
2642          */
2643
2644         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
2645         ios->show ();
2646
2647         /* keep a reference to the send so it doesn't get deleted while
2648            the IOSelectorWindow is doing its stuff
2649         */
2650         _processor_being_created = send;
2651
2652         ios->selector().Finished.connect (sigc::bind (
2653                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
2654                         boost::weak_ptr<Processor>(send), ios));
2655
2656 }
2657
2658 void
2659 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2660 {
2661         boost::shared_ptr<Processor> processor (weak_processor.lock());
2662
2663         /* drop our temporary reference to the new send */
2664         _processor_being_created.reset ();
2665
2666         if (!processor) {
2667                 return;
2668         }
2669
2670         switch (r) {
2671         case IOSelector::Cancelled:
2672                 // processor will go away when all shared_ptrs to it vanish
2673                 break;
2674
2675         case IOSelector::Accepted:
2676                 _route->add_processor_by_index (processor, _placement);
2677                 break;
2678         }
2679
2680         delete_when_idle (ios);
2681 }
2682
2683 void
2684 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2685 {
2686         boost::shared_ptr<Processor> processor (weak_processor.lock());
2687
2688         /* drop our temporary reference to the new return */
2689         _processor_being_created.reset ();
2690
2691         if (!processor) {
2692                 return;
2693         }
2694
2695         switch (r) {
2696         case IOSelector::Cancelled:
2697                 // processor will go away when all shared_ptrs to it vanish
2698                 break;
2699
2700         case IOSelector::Accepted:
2701                 _route->add_processor_by_index (processor, _placement);
2702                 break;
2703         }
2704
2705         delete_when_idle (ios);
2706 }
2707
2708 void
2709 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
2710 {
2711         if (!_route) {
2712                 return;
2713         }
2714
2715         boost::shared_ptr<Route> target = wr.lock();
2716
2717         if (!target) {
2718                 return;
2719         }
2720
2721         if (target->is_listenbus ()) {
2722                 _route->add_personal_send (target);
2723         } else {
2724                 _session->add_internal_send (target, _placement, _route);
2725         }
2726 }
2727
2728 void
2729 ProcessorBox::remove_aux (boost::weak_ptr<Route> wr)
2730 {
2731         if (!_route) {
2732                 return;
2733         }
2734
2735         boost::shared_ptr<Route> target = wr.lock();
2736
2737         if (!target) {
2738                 return;
2739         }
2740         boost::shared_ptr<Send>  send = _route->internal_send_for (target);
2741         boost::shared_ptr<Processor> proc = boost::dynamic_pointer_cast<Processor> (send);
2742         _route->remove_processor (proc);
2743
2744 }
2745
2746 void
2747 ProcessorBox::route_processors_changed (RouteProcessorChange c)
2748 {
2749         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
2750                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
2751                 return;
2752         }
2753
2754         redisplay_processors ();
2755 }
2756
2757 void
2758 ProcessorBox::redisplay_processors ()
2759 {
2760         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
2761
2762         if (no_processor_redisplay) {
2763                 return;
2764         }
2765
2766         processor_display.clear ();
2767
2768         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
2769         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
2770         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
2771
2772         setup_entry_positions ();
2773 }
2774
2775 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
2776  *  not already have one.
2777  */
2778 void
2779 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
2780 {
2781         boost::shared_ptr<Processor> p = w.lock ();
2782         if (!p) {
2783                 return;
2784         }
2785         if (p->window_proxy()) {
2786                 return;
2787         }
2788
2789         /* see also ProcessorBox::get_editor_window */
2790         bool have_ui = false;
2791
2792         if (boost::dynamic_pointer_cast<PluginInsert> (p)) {
2793                 have_ui = true;
2794         }
2795         else if (boost::dynamic_pointer_cast<PortInsert> (p)) {
2796                 have_ui = true;
2797         }
2798         else if (boost::dynamic_pointer_cast<Send> (p)) {
2799                 if (!boost::dynamic_pointer_cast<InternalSend> (p)) {
2800                         have_ui = true;
2801                 }
2802         }
2803         else if (boost::dynamic_pointer_cast<Return> (p)) {
2804                 if (!boost::dynamic_pointer_cast<InternalReturn> (p)) {
2805                         have_ui = true;
2806                 }
2807         }
2808
2809         if (!have_ui) {
2810                 return;
2811         }
2812
2813         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
2814                         string_compose ("P-%1-%2", _route->id(), p->id()),
2815                         this,
2816                         w);
2817
2818         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2819
2820         if (ui_xml) {
2821                 wp->set_state (*ui_xml, 0);
2822         }
2823
2824         p->set_window_proxy (wp);
2825         WM::Manager::instance().register_window (wp);
2826 }
2827
2828 void
2829 ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
2830 {
2831         boost::shared_ptr<Processor> p = w.lock ();
2832         if (!p || p->pinmgr_proxy ()) {
2833                 return;
2834         }
2835         if (!boost::dynamic_pointer_cast<PluginInsert> (p)) {
2836                 return;
2837         }
2838
2839         PluginPinWindowProxy* wp = new PluginPinWindowProxy (
2840                         string_compose ("PM-%1-%2", _route->id(), p->id()), w);
2841         wp->set_session (_session);
2842
2843         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2844         if (ui_xml) {
2845                 wp->set_state (*ui_xml, 0);
2846         }
2847
2848         p->set_pingmgr_proxy (wp);
2849         WM::Manager::instance().register_window (wp);
2850 }
2851
2852 void
2853 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
2854 {
2855         boost::shared_ptr<Processor> processor (p.lock ());
2856
2857         if (!processor || ( !processor->display_to_user()
2858 #ifndef NDEBUG
2859                             && !show_all_processors
2860 #endif
2861                           )
2862            ) {
2863                 return;
2864         }
2865
2866         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
2867
2868         ProcessorEntry* e = 0;
2869         if (plugin_insert) {
2870                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
2871         } else {
2872                 e = new ProcessorEntry (this, processor, _width);
2873         }
2874
2875         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2876         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
2877         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
2878
2879         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
2880         if (!send && !plugin_insert && !ext && !stub)
2881                 e->set_selectable(false);
2882
2883         bool mark_send_visible = false;
2884         if (send && _parent_strip) {
2885                 /* show controls of new sends by default */
2886                 GUIObjectState& st = _parent_strip->gui_object_state ();
2887                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2888                 assert (strip);
2889                 /* check if state exists, if not it must be a new send */
2890                 if (!st.get_node(strip, e->state_id())) {
2891                         mark_send_visible = true;
2892                 }
2893         }
2894
2895         /* Set up this entry's state from the GUIObjectState */
2896         XMLNode* proc = entry_gui_object_state (e);
2897         if (proc) {
2898                 e->set_control_state (proc);
2899         }
2900
2901         if (mark_send_visible) {
2902                 e->show_all_controls ();
2903         }
2904
2905         if (plugin_insert
2906 #ifdef MIXBUS
2907                         && !plugin_insert->plugin(0)->is_channelstrip()
2908 #endif
2909                  )
2910         {
2911                 processor_display.add_child (e, drag_targets());
2912         } else {
2913                 processor_display.add_child (e, drag_targets_noplugin());
2914         }
2915 }
2916
2917 void
2918 ProcessorBox::reordered ()
2919 {
2920         compute_processor_sort_keys ();
2921         setup_entry_positions ();
2922 }
2923
2924 void
2925 ProcessorBox::setup_routing_feeds ()
2926 {
2927         list<ProcessorEntry*> children = processor_display.children ();
2928         /* first set the i/o maps for every processor */
2929         list<ProcessorEntry*>::iterator prev = children.begin();
2930
2931         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2932                 boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
2933                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
2934
2935                 list<ProcessorEntry*>::iterator next = i;
2936                 next++;
2937
2938                 if (pi) {
2939                         ChanCount sinks = pi->natural_input_streams ();
2940                         ChanCount sources = pi->natural_output_streams ();
2941                         uint32_t count = pi->get_count ();
2942                         ChanCount in, out;
2943                         pi->configured_io (in, out);
2944
2945                         ChanCount midi_thru;
2946                         ChanCount midi_bypass;
2947                         ChanMapping input_map (pi->input_map ());
2948                         if (pi->has_midi_thru ()) {
2949                                  midi_thru.set(DataType::MIDI, 1);
2950                                  input_map.set (DataType::MIDI, 0, 0);
2951                         }
2952                         if (pi->has_midi_bypass ()) {
2953                                  midi_bypass.set(DataType::MIDI, 1);
2954                         }
2955
2956                         (*i)->input_icon.set_ports (sinks * count + midi_thru);
2957                         (*i)->output_icon.set_ports (sources * count + midi_bypass);
2958
2959                         (*i)->routing_icon.set (
2960                                         in, out,
2961                                         sinks * count + midi_thru,
2962                                         sources * count + midi_bypass,
2963                                         input_map,
2964                                         pi->output_map (),
2965                                         pi->thru_map ());
2966
2967                         if (next != children.end()) {
2968                                 (*next)->routing_icon.set_fed_by (out, sources * count + midi_bypass,
2969                                                 pi->output_map (), pi->thru_map ());
2970                         }
2971
2972                         if (prev != i) {
2973                                 (*prev)->routing_icon.set_feeding (in, sinks * count + midi_thru,
2974                                                 pi->input_map (), pi->thru_map ());
2975                         }
2976
2977                 } else {
2978                         (*i)->input_icon.set_ports (p->input_streams());
2979                         (*i)->output_icon.set_ports (p->output_streams());
2980                         ChanMapping inmap (p->input_streams ());
2981                         ChanMapping outmap (p->output_streams ());
2982                         ChanMapping thrumap;
2983                         (*i)->routing_icon.set (
2984                                         p->input_streams(),
2985                                         p->output_streams(),
2986                                         p->input_streams(),
2987                                         p->output_streams(),
2988                                         inmap, outmap, thrumap);
2989
2990                         if (next != children.end()) {
2991                                 (*next)->routing_icon.set_fed_by (
2992                                                 p->output_streams(),
2993                                                 p->output_streams(),
2994                                                 outmap, thrumap);
2995                         }
2996                         if (prev != i) {
2997                                 (*prev)->routing_icon.set_feeding (
2998                                                 p->input_streams(),
2999                                                 p->output_streams(),
3000                                                 inmap, thrumap);
3001                         }
3002                 }
3003
3004                 if (i == children.begin()) {
3005                         (*i)->routing_icon.unset_fed_by ();
3006                 }
3007                 prev = i;
3008                 (*i)->input_icon.hide();
3009         }
3010
3011         /* now set which icons need to be displayed */
3012         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
3013                 (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
3014
3015                 if ((*i)->routing_icon.in_identity ()) {
3016                         (*i)->routing_icon.hide();
3017                         if (i == children.begin()) {
3018                                 (*i)->input_icon.show();
3019                         }
3020                 } else {
3021                         (*i)->routing_icon.show();
3022                         (*i)->routing_icon.queue_draw();
3023                         (*i)->input_icon.show();
3024                 }
3025
3026                 list<ProcessorEntry*>::iterator next = i;
3027                 if (++next == children.end()) {
3028                         // last processor in the chain
3029                         (*i)->output_routing_icon.set_terminal(true);
3030                         (*i)->output_routing_icon.unset_feeding ();
3031                         if ((*i)->routing_icon.out_identity ()) {
3032                                 (*i)->output_routing_icon.hide();
3033                         } else {
3034                                 (*i)->output_routing_icon.show();
3035                                 (*i)->output_routing_icon.queue_draw();
3036                         }
3037                 } else {
3038                         (*i)->output_routing_icon.set_terminal(false);
3039                         if (   !(*i)->routing_icon.out_identity ()
3040                                         && !(*next)->routing_icon.in_identity ()
3041                                         &&  (*next)->routing_icon.can_coalesce ()) {
3042                                 (*i)->output_routing_icon.hide();
3043                         } else if (!(*i)->routing_icon.out_identity ()) {
3044                                 (*i)->output_routing_icon.show();
3045                                 (*i)->output_routing_icon.queue_draw();
3046                                 (*next)->input_icon.show();
3047                         } else {
3048                                 (*i)->output_routing_icon.hide();
3049                         }
3050                 }
3051         }
3052 }
3053
3054 void
3055 ProcessorBox::setup_entry_positions ()
3056 {
3057         list<ProcessorEntry*> children = processor_display.children ();
3058         bool pre_fader = true;
3059
3060         uint32_t num = 0;
3061         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
3062                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor()) &&
3063                     boost::dynamic_pointer_cast<Amp>((*i)->processor())->gain_control()->parameter().type() == GainAutomation) {
3064                         pre_fader = false;
3065                         (*i)->set_position (ProcessorEntry::Fader, num++);
3066                 } else {
3067                         if (pre_fader) {
3068                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
3069                         } else {
3070                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
3071                         }
3072                 }
3073         }
3074         setup_routing_feeds ();
3075 }
3076
3077 void
3078 ProcessorBox::compute_processor_sort_keys ()
3079 {
3080         list<ProcessorEntry*> children = processor_display.children ();
3081         Route::ProcessorList our_processors;
3082
3083         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
3084                 if ((*i)->processor()) {
3085                         our_processors.push_back ((*i)->processor ());
3086                 }
3087         }
3088
3089         if (_route->reorder_processors (our_processors)) {
3090                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
3091                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
3092                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
3093                    when the drag is torn down after this handler function is finished.
3094                 */
3095                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
3096         }
3097 }
3098
3099 void
3100 ProcessorBox::report_failed_reorder ()
3101 {
3102         /* reorder failed, so redisplay */
3103
3104         redisplay_processors ();
3105
3106         /* now tell them about the problem */
3107
3108         ArdourDialog dialog (_("Plugin Incompatibility"));
3109         Label label;
3110
3111         label.set_text (_("\
3112 You cannot reorder these plugins/sends/inserts\n\
3113 in that way because the inputs and\n\
3114 outputs will not work correctly."));
3115
3116         dialog.get_vbox()->set_border_width (12);
3117         dialog.get_vbox()->pack_start (label);
3118         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
3119
3120         dialog.set_name (X_("PluginIODialog"));
3121         dialog.set_modal (true);
3122         dialog.show_all ();
3123
3124         dialog.run ();
3125 }
3126
3127 void
3128 ProcessorBox::rename_processors ()
3129 {
3130         ProcSelection to_be_renamed;
3131
3132         get_selected_processors (to_be_renamed);
3133
3134         if (to_be_renamed.empty()) {
3135                 return;
3136         }
3137
3138         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
3139                 rename_processor (*i);
3140         }
3141 }
3142
3143 bool
3144 ProcessorBox::can_cut () const
3145 {
3146         vector<boost::shared_ptr<Processor> > sel;
3147
3148         get_selected_processors (sel);
3149
3150         /* cut_processors () does not cut inserts */
3151
3152         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3153
3154                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3155                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3156                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3157                         return true;
3158                 }
3159         }
3160
3161         return false;
3162 }
3163
3164 bool
3165 ProcessorBox::stub_processor_selected () const
3166 {
3167         vector<boost::shared_ptr<Processor> > sel;
3168
3169         get_selected_processors (sel);
3170
3171         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3172                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
3173                         return true;
3174                 }
3175         }
3176
3177         return false;
3178 }
3179
3180 void
3181 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
3182 {
3183         if (to_be_removed.empty()) {
3184                 return;
3185         }
3186
3187         XMLNode* node = new XMLNode (X_("cut"));
3188         Route::ProcessorList to_cut;
3189
3190         no_processor_redisplay = true;
3191         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
3192                 // Cut only plugins, sends and returns
3193                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3194                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3195                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3196
3197                         Window* w = get_processor_ui (*i);
3198
3199                         if (w) {
3200                                 w->hide ();
3201                         }
3202
3203                         XMLNode& child ((*i)->get_state());
3204                         node->add_child_nocopy (child);
3205                         to_cut.push_back (*i);
3206                 }
3207         }
3208
3209         if (_route->remove_processors (to_cut) != 0) {
3210                 delete node;
3211                 no_processor_redisplay = false;
3212                 return;
3213         }
3214
3215         _p_selection.set (node);
3216
3217         no_processor_redisplay = false;
3218         redisplay_processors ();
3219 }
3220
3221 void
3222 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
3223 {
3224         if (to_be_copied.empty()) {
3225                 return;
3226         }
3227
3228         XMLNode* node = new XMLNode (X_("copy"));
3229
3230         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
3231                 // Copy only plugins, sends, returns
3232                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3233                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3234                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3235                         node->add_child_nocopy ((*i)->get_state());
3236                 }
3237         }
3238
3239         _p_selection.set (node);
3240 }
3241
3242 void
3243 ProcessorBox::delete_processors (const ProcSelection& targets)
3244 {
3245         if (targets.empty()) {
3246                 return;
3247         }
3248
3249         no_processor_redisplay = true;
3250
3251         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
3252
3253                 Window* w = get_processor_ui (*i);
3254
3255                 if (w) {
3256                         w->hide ();
3257                 }
3258
3259                 _route->remove_processor(*i);
3260         }
3261
3262         no_processor_redisplay = false;
3263         redisplay_processors ();
3264 }
3265
3266 void
3267 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
3268 {
3269         list<boost::shared_ptr<Processor> >::const_iterator x;
3270
3271         no_processor_redisplay = true;
3272         for (x = procs.begin(); x != procs.end(); ++x) {
3273
3274                 Window* w = get_processor_ui (*x);
3275
3276                 if (w) {
3277                         w->hide ();
3278                 }
3279
3280                 _route->remove_processor(*x);
3281         }
3282
3283         no_processor_redisplay = false;
3284         redisplay_processors ();
3285 }
3286
3287 gint
3288 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
3289 {
3290         boost::shared_ptr<Processor> processor (weak_processor.lock());
3291
3292         if (!processor) {
3293                 return false;
3294         }
3295
3296         /* NOT copied to _mixer.selection() */
3297
3298         no_processor_redisplay = true;
3299         _route->remove_processor (processor);
3300         no_processor_redisplay = false;
3301         redisplay_processors ();
3302
3303         return false;
3304 }
3305
3306 void
3307 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
3308 {
3309         Prompter name_prompter (true);
3310         string result;
3311         name_prompter.set_title (_("Rename Processor"));
3312         name_prompter.set_prompt (_("New name:"));
3313         name_prompter.set_initial_text (processor->name());
3314         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
3315         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
3316         name_prompter.show_all ();
3317
3318         switch (name_prompter.run ()) {
3319
3320         case Gtk::RESPONSE_ACCEPT:
3321                 name_prompter.get_result (result);
3322                 if (result.length()) {
3323
3324                         int tries = 0;
3325                         string test = result;
3326
3327                         while (tries < 100) {
3328                                 if (_session->io_name_is_legal (test)) {
3329                                         result = test;
3330                                         break;
3331                                 }
3332                                 tries++;
3333
3334                                 test = string_compose ("%1-%2", result, tries);
3335                         }
3336
3337                         if (tries < 100) {
3338                                 processor->set_name (result);
3339                         } else {
3340                                 /* unlikely! */
3341                                 ARDOUR_UI::instance()->popup_error
3342                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
3343                         }
3344                 }
3345                 break;
3346         }
3347
3348         return;
3349 }
3350
3351 void
3352 ProcessorBox::paste_processors ()
3353 {
3354         if (_p_selection.processors.empty()) {
3355                 return;
3356         }
3357
3358         paste_processor_state (_p_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
3359 }
3360
3361 void
3362 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
3363 {
3364
3365         if (_p_selection.processors.empty()) {
3366                 return;
3367         }
3368
3369         paste_processor_state (_p_selection.processors.get_node().children(), before);
3370 }
3371
3372 void
3373 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
3374 {
3375         XMLNodeConstIterator niter;
3376         list<boost::shared_ptr<Processor> > copies;
3377
3378         if (nlist.empty()) {
3379                 return;
3380         }
3381
3382         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
3383
3384                 XMLProperty const * type = (*niter)->property ("type");
3385                 XMLProperty const * role = (*niter)->property ("role");
3386                 assert (type);
3387
3388                 boost::shared_ptr<Processor> p;
3389                 try {
3390                         if (type->value() == "meter" ||
3391                             type->value() == "main-outs" ||
3392                             type->value() == "amp" ||
3393                             type->value() == "intreturn") {
3394                                 /* do not paste meter, main outs, amp or internal returns */
3395                                 continue;
3396
3397                         } else if (type->value() == "intsend") {
3398
3399                                 /* aux sends are OK, but those used for
3400                                  * other purposes, are not.
3401                                  */
3402
3403                                 assert (role);
3404
3405                                 if (role->value() != "Aux") {
3406                                         continue;
3407                                 }
3408
3409                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3410                                 XMLNode n (**niter);
3411                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
3412                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
3413
3414                                 IOProcessor::prepare_for_reset (n, s->name());
3415
3416                                 if (s->set_state (n, Stateful::loading_state_version)) {
3417                                         delete s;
3418                                         return;
3419                                 }
3420
3421                                 p.reset (s);
3422
3423                         } else if (type->value() == "send") {
3424
3425                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3426                                 XMLNode n (**niter);
3427
3428                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
3429
3430                                 IOProcessor::prepare_for_reset (n, s->name());
3431
3432                                 if (s->set_state (n, Stateful::loading_state_version)) {
3433                                         delete s;
3434                                         return;
3435                                 }
3436
3437                                 p.reset (s);
3438
3439                         } else if (type->value() == "return") {
3440
3441                                 XMLNode n (**niter);
3442                                 Return* r = new Return (*_session);
3443
3444                                 IOProcessor::prepare_for_reset (n, r->name());
3445
3446                                 if (r->set_state (n, Stateful::loading_state_version)) {
3447                                         delete r;
3448                                         return;
3449                                 }
3450
3451                                 p.reset (r);
3452
3453                         } else if (type->value() == "port") {
3454
3455                                 XMLNode n (**niter);
3456                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
3457
3458                                 IOProcessor::prepare_for_reset (n, pi->name());
3459
3460                                 if (pi->set_state (n, Stateful::loading_state_version)) {
3461                                         return;
3462                                 }
3463
3464                                 p.reset (pi);
3465                         } else {
3466                                 /* XXX its a bit limiting to assume that everything else
3467                                    is a plugin.
3468                                 */
3469                                 p.reset (new PluginInsert (*_session));
3470                                 /* we can't use RAII Stateful::ForceIDRegeneration
3471                                  * because that'd void copying the state and wrongly bump
3472                                  * the state-version counter.
3473                                  * we need to load the state (incl external files) first and
3474                                  * only then update the ID)
3475                                  */
3476                                 PBD::ID id = p->id();
3477                                 /* strip side-chain state (processor inside processor must be a side-chain)
3478                                  * otherwise we'll end up with duplicate ports-names.
3479                                  * (this needs a better solution which retains connections)
3480                                  * We really would want Stateful::ForceIDRegeneration here :(
3481                                  */
3482                                 XMLNode state (**niter);
3483                                 state.remove_nodes_and_delete ("Processor");
3484
3485                                 p->set_state (state, Stateful::current_state_version);
3486                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
3487                         }
3488
3489                         copies.push_back (p);
3490                 }
3491
3492                 catch (...) {
3493                         error << _("plugin insert constructor failed") << endmsg;
3494                 }
3495         }
3496
3497         if (copies.empty()) {
3498                 return;
3499         }
3500
3501         if (_route->add_processors (copies, p)) {
3502
3503                 string msg = _(
3504                         "Copying the set of processors on the clipboard failed,\n\
3505 probably because the I/O configuration of the plugins\n\
3506 could not match the configuration of this track.");
3507                 MessageDialog am (msg);
3508                 am.run ();
3509         }
3510 }
3511
3512 void
3513 ProcessorBox::get_selected_processors (ProcSelection& processors) const
3514 {
3515         const list<ProcessorEntry*> selection = processor_display.selection (true);
3516         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
3517                 processors.push_back ((*i)->processor ());
3518         }
3519 }
3520
3521 void
3522 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
3523 {
3524         list<ProcessorEntry*> selection = processor_display.selection ();
3525         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
3526                 (this->*method) ((*i)->processor ());
3527         }
3528 }
3529
3530 void
3531 ProcessorBox::all_visible_processors_active (bool state)
3532 {
3533         _route->all_visible_processors_active (state);
3534 }
3535
3536 void
3537 ProcessorBox::ab_plugins ()
3538 {
3539         _route->ab_plugins (ab_direction);
3540         ab_direction = !ab_direction;
3541 }
3542
3543 void
3544 ProcessorBox::set_disk_io_position (DiskIOPoint diop)
3545 {
3546         boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (_route);
3547         if (t) {
3548                 t->set_disk_io_point (diop);
3549         }
3550 }
3551
3552 void
3553 ProcessorBox::clear_processors ()
3554 {
3555         string prompt;
3556         vector<string> choices;
3557
3558         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
3559                                    "(this cannot be undone)"), _route->name());
3560
3561         choices.push_back (_("Cancel"));
3562         choices.push_back (_("Yes, remove them all"));
3563
3564         ArdourWidgets::Choice prompter (_("Remove processors"), prompt, choices);
3565
3566         if (prompter.run () == 1) {
3567                 _route->clear_processors (PreFader);
3568                 _route->clear_processors (PostFader);
3569         }
3570 }
3571
3572 void
3573 ProcessorBox::clear_processors (Placement p)
3574 {
3575         string prompt;
3576         vector<string> choices;
3577
3578         if (p == PreFader) {
3579                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
3580                                            "(this cannot be undone)"), _route->name());
3581         } else {
3582                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
3583                                            "(this cannot be undone)"), _route->name());
3584         }
3585
3586         choices.push_back (_("Cancel"));
3587         choices.push_back (_("Yes, remove them all"));
3588
3589         ArdourWidgets::Choice prompter (_("Remove processors"), prompt, choices);
3590
3591         if (prompter.run () == 1) {
3592                 _route->clear_processors (p);
3593         }
3594 }
3595
3596 bool
3597 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
3598 {
3599         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
3600         if (at && at->freeze_state() == AudioTrack::Frozen) {
3601                 return false;
3602         }
3603
3604         if (
3605                 boost::dynamic_pointer_cast<Send> (processor) ||
3606                 boost::dynamic_pointer_cast<Return> (processor) ||
3607                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
3608                 boost::dynamic_pointer_cast<PortInsert> (processor)
3609                 ) {
3610                 return true;
3611         }
3612
3613         return false;
3614 }
3615
3616 bool
3617 ProcessorBox::one_processor_can_be_edited ()
3618 {
3619         list<ProcessorEntry*> selection = processor_display.selection ();
3620         list<ProcessorEntry*>::iterator i = selection.begin();
3621         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
3622                 ++i;
3623         }
3624
3625         return (i != selection.end());
3626 }
3627
3628 Gtk::Window*
3629 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
3630 {
3631         boost::shared_ptr<Send> send;
3632         boost::shared_ptr<InternalSend> internal_send;
3633         boost::shared_ptr<Return> retrn;
3634         boost::shared_ptr<PluginInsert> plugin_insert;
3635         boost::shared_ptr<PortInsert> port_insert;
3636         Window* gidget = 0;
3637
3638         /* This method may or may not return a Window, but if it does not it
3639          * will modify the parent mixer strip appearance layout to allow
3640          * "editing" the @param processor that was passed in.
3641          *
3642          * So for example, if the processor is an Amp (gain), the parent strip
3643          * will be forced back into a model where the fader controls the main gain.
3644          * If the processor is a send, then we map the send controls onto the
3645          * strip.
3646          *
3647          * Plugins and others will return a window for control.
3648          */
3649
3650         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
3651
3652                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
3653                         return 0;
3654                 }
3655         }
3656
3657         if (boost::dynamic_pointer_cast<Amp> (processor) && boost::dynamic_pointer_cast<Amp> (processor)->gain_control()->parameter().type() == GainAutomation) {
3658
3659                 if (_parent_strip) {
3660                         _parent_strip->revert_to_default_display ();
3661                 }
3662
3663         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3664
3665                 if (!_session->engine().connected()) {
3666                         return 0;
3667                 }
3668
3669                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3670
3671                         gidget = new SendUIWindow (send, _session);
3672                 }
3673
3674         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
3675
3676                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
3677                         /* no GUI for these */
3678                         return 0;
3679                 }
3680
3681                 if (!_session->engine().connected()) {
3682                         return 0;
3683                 }
3684
3685                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
3686
3687                 ReturnUIWindow *return_ui;
3688                 Window* w = get_processor_ui (retrn);
3689
3690                 if (w == 0) {
3691
3692                         return_ui = new ReturnUIWindow (retrn, _session);
3693                         return_ui->set_title (retrn->name ());
3694                         set_processor_ui (send, return_ui);
3695
3696                 } else {
3697                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
3698                 }
3699
3700                 gidget = return_ui;
3701
3702         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3703
3704                 PluginUIWindow *plugin_ui;
3705
3706                 /* these are both allowed to be null */
3707
3708                 Window* w = get_processor_ui (plugin_insert);
3709
3710                 if (w == 0) {
3711                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
3712                         plugin_ui->set_title (generate_processor_title (plugin_insert));
3713                         set_processor_ui (plugin_insert, plugin_ui);
3714
3715                 } else {
3716                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
3717                 }
3718
3719                 gidget = plugin_ui;
3720
3721         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
3722
3723                 if (!_session->engine().connected()) {
3724                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
3725                         msg.run ();
3726                         return 0;
3727                 }
3728
3729                 PortInsertWindow *io_selector;
3730
3731                 Window* w = get_processor_ui (port_insert);
3732
3733                 if (w == 0) {
3734                         io_selector = new PortInsertWindow (_session, port_insert);
3735                         set_processor_ui (port_insert, io_selector);
3736
3737                 } else {
3738                         io_selector = dynamic_cast<PortInsertWindow *> (w);
3739                 }
3740
3741                 gidget = io_selector;
3742         }
3743
3744         return gidget;
3745 }
3746
3747 Gtk::Window*
3748 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
3749 {
3750         boost::shared_ptr<PluginInsert> plugin_insert
3751                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
3752
3753         if (!plugin_insert) {
3754                 return 0;
3755         }
3756
3757         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
3758         win->set_title (generate_processor_title (plugin_insert));
3759
3760         return win;
3761 }
3762
3763 void
3764 ProcessorBox::register_actions ()
3765 {
3766         processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
3767
3768         Glib::RefPtr<Action> act;
3769
3770         /* new stuff */
3771         myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
3772                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
3773
3774         act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
3775                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
3776         ActionManager::engine_sensitive_actions.push_back (act);
3777         act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
3778                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
3779         ActionManager::engine_sensitive_actions.push_back (act);
3780
3781         myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
3782         myactions.register_action (processor_box_actions, X_("newlisten"), _("New Monitor Send ..."));
3783         myactions.register_action (processor_box_actions, X_("removelisten"), _("Remove Monitor Send ..."));
3784
3785         myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
3786         myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
3787
3788         myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
3789                         sigc::ptr_fun (ProcessorBox::rb_clear));
3790         myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
3791                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
3792         myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
3793                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
3794
3795         /* standard editing stuff */
3796
3797         cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
3798                                                             sigc::ptr_fun (ProcessorBox::rb_cut));
3799         copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
3800                                                              sigc::ptr_fun (ProcessorBox::rb_copy));
3801         delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
3802                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3803         backspace_action = myactions.register_action (processor_box_actions, X_("backspace"), _("Delete"),
3804                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3805
3806         ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
3807         ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
3808         ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
3809         ActionManager::plugin_selection_sensitive_actions.push_back (backspace_action);
3810
3811         paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
3812                         sigc::ptr_fun (ProcessorBox::rb_paste));
3813         rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
3814                         sigc::ptr_fun (ProcessorBox::rb_rename));
3815         myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
3816                         sigc::ptr_fun (ProcessorBox::rb_select_all));
3817         myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
3818                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
3819
3820         /* activation etc. */
3821
3822         myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
3823                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
3824         myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
3825                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
3826         myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
3827                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
3828
3829         manage_pins_action = myactions.register_action (
3830                 processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
3831                 sigc::ptr_fun (ProcessorBox::rb_manage_pins));
3832
3833         /* Disk IO stuff */
3834         disk_io_action = myactions.register_action (processor_box_actions, X_("disk-io-menu"), _("Disk I/O ..."));
3835         myactions.register_action (processor_box_actions, X_("disk-io-prefader"), _("Pre-Fader."), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_set_disk_io_position), DiskIOPreFader));
3836         myactions.register_action (processor_box_actions, X_("disk-io-postfader"), _("Post-Fader."), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_set_disk_io_position), DiskIOPostFader));
3837         myactions.register_action (processor_box_actions, X_("disk-io-custom"), _("Custom."), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_set_disk_io_position), DiskIOCustom));
3838
3839         /* show editors */
3840         edit_action = myactions.register_action (
3841                 processor_box_actions, X_("edit"), _("Edit..."),
3842                 sigc::ptr_fun (ProcessorBox::rb_edit));
3843
3844         edit_generic_action = myactions.register_action (
3845                 processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
3846                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
3847
3848         load_bindings ();
3849 }
3850
3851 void
3852 ProcessorBox::rb_edit_generic ()
3853 {
3854         if (_current_processor_box == 0) {
3855                 return;
3856         }
3857
3858         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
3859 }
3860
3861 void
3862 ProcessorBox::rb_ab_plugins ()
3863 {
3864         if (_current_processor_box == 0) {
3865                 return;
3866         }
3867
3868         _current_processor_box->ab_plugins ();
3869 }
3870
3871 void
3872 ProcessorBox::rb_set_disk_io_position (DiskIOPoint diop)
3873 {
3874         if (_current_processor_box == 0) {
3875                 return;
3876         }
3877
3878         _current_processor_box->set_disk_io_position (diop);
3879 }
3880
3881 void
3882 ProcessorBox::rb_manage_pins ()
3883 {
3884         if (_current_processor_box == 0) {
3885                 return;
3886         }
3887
3888         _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
3889 }
3890 void
3891 ProcessorBox::rb_choose_plugin ()
3892 {
3893         if (_current_processor_box == 0) {
3894                 return;
3895         }
3896         _current_processor_box->choose_plugin ();
3897 }
3898
3899 void
3900 ProcessorBox::rb_choose_insert ()
3901 {
3902         if (_current_processor_box == 0) {
3903                 return;
3904         }
3905         _current_processor_box->choose_insert ();
3906 }
3907
3908 void
3909 ProcessorBox::rb_choose_send ()
3910 {
3911         if (_current_processor_box == 0) {
3912                 return;
3913         }
3914         _current_processor_box->choose_send ();
3915 }
3916
3917 void
3918 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
3919 {
3920         if (_current_processor_box == 0) {
3921                 return;
3922         }
3923
3924         _current_processor_box->choose_aux (wr);
3925 }
3926
3927 void
3928 ProcessorBox::rb_remove_aux (boost::weak_ptr<Route> wr)
3929 {
3930         if (_current_processor_box == 0) {
3931                 return;
3932         }
3933
3934         _current_processor_box->remove_aux (wr);
3935 }
3936
3937 void
3938 ProcessorBox::rb_clear ()
3939 {
3940         if (_current_processor_box == 0) {
3941                 return;
3942         }
3943
3944         _current_processor_box->clear_processors ();
3945 }
3946
3947
3948 void
3949 ProcessorBox::rb_clear_pre ()
3950 {
3951         if (_current_processor_box == 0) {
3952                 return;
3953         }
3954
3955         _current_processor_box->clear_processors (PreFader);
3956 }
3957
3958
3959 void
3960 ProcessorBox::rb_clear_post ()
3961 {
3962         if (_current_processor_box == 0) {
3963                 return;
3964         }
3965
3966         _current_processor_box->clear_processors (PostFader);
3967 }
3968
3969 void
3970 ProcessorBox::rb_cut ()
3971 {
3972         if (_current_processor_box == 0) {
3973                 return;
3974         }
3975
3976         _current_processor_box->processor_operation (ProcessorsCut);
3977 }
3978
3979 void
3980 ProcessorBox::rb_delete ()
3981 {
3982         if (_current_processor_box == 0) {
3983                 return;
3984         }
3985
3986         _current_processor_box->processor_operation (ProcessorsDelete);
3987 }
3988
3989 void
3990 ProcessorBox::rb_copy ()
3991 {
3992         if (_current_processor_box == 0) {
3993                 return;
3994         }
3995         _current_processor_box->processor_operation (ProcessorsCopy);
3996 }
3997
3998 void
3999 ProcessorBox::rb_paste ()
4000 {
4001         if (_current_processor_box == 0) {
4002                 return;
4003         }
4004
4005         _current_processor_box->processor_operation (ProcessorsPaste);
4006 }
4007
4008 void
4009 ProcessorBox::rb_rename ()
4010 {
4011         if (_current_processor_box == 0) {
4012                 return;
4013         }
4014         _current_processor_box->rename_processors ();
4015 }
4016
4017 void
4018 ProcessorBox::rb_select_all ()
4019 {
4020         if (_current_processor_box == 0) {
4021                 return;
4022         }
4023
4024         _current_processor_box->processor_operation (ProcessorsSelectAll);
4025 }
4026
4027 void
4028 ProcessorBox::rb_deselect_all ()
4029 {
4030         if (_current_processor_box == 0) {
4031                 return;
4032         }
4033
4034         _current_processor_box->deselect_all_processors ();
4035 }
4036
4037 void
4038 ProcessorBox::rb_activate_all ()
4039 {
4040         if (_current_processor_box == 0) {
4041                 return;
4042         }
4043
4044         _current_processor_box->all_visible_processors_active (true);
4045 }
4046
4047 void
4048 ProcessorBox::rb_deactivate_all ()
4049 {
4050         if (_current_processor_box == 0) {
4051                 return;
4052         }
4053         _current_processor_box->all_visible_processors_active (false);
4054 }
4055
4056 void
4057 ProcessorBox::rb_edit ()
4058 {
4059         if (_current_processor_box == 0) {
4060                 return;
4061         }
4062
4063         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
4064 }
4065
4066 bool
4067 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
4068 {
4069         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
4070                 return false;
4071         }
4072
4073         if (_parent_strip) {
4074                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
4075                 if (_parent_strip->current_delivery() == send) {
4076                         _parent_strip->revert_to_default_display ();
4077                 } else {
4078                         _parent_strip->show_send(send);
4079                 }
4080         }
4081         return true;
4082 }
4083
4084 void
4085 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
4086 {
4087         if (!processor) {
4088                 return;
4089         }
4090         if (edit_aux_send (processor)) {
4091                 return;
4092         }
4093         if (!_session->engine().connected()) {
4094                 return;
4095         }
4096
4097         ProcessorWindowProxy* proxy = find_window_proxy (processor);
4098
4099         if (proxy) {
4100                 proxy->set_custom_ui_mode (true);
4101                 proxy->show_the_right_window ();
4102         }
4103 }
4104
4105 void
4106 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
4107 {
4108         if (!processor) {
4109                 return;
4110         }
4111         if (edit_aux_send (processor)) {
4112                 return;
4113         }
4114         if (!_session->engine().connected()) {
4115                 return;
4116         }
4117
4118         ProcessorWindowProxy* proxy = find_window_proxy (processor);
4119
4120         if (proxy) {
4121                 proxy->set_custom_ui_mode (false);
4122                 proxy->show_the_right_window ();
4123         }
4124 }
4125
4126 void
4127 ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
4128 {
4129         if (!processor) {
4130                 return;
4131         }
4132         PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
4133         if (proxy) {
4134                 proxy->get (true);
4135                 proxy->present();
4136         }
4137 }
4138
4139
4140 void
4141 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
4142 {
4143         if (!what_changed.contains (ARDOUR::Properties::name)) {
4144                 return;
4145         }
4146
4147         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
4148
4149         boost::shared_ptr<Processor> processor;
4150         boost::shared_ptr<PluginInsert> plugin_insert;
4151         boost::shared_ptr<Send> send;
4152
4153         list<ProcessorEntry*> children = processor_display.children();
4154
4155         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
4156
4157                 processor = (*iter)->processor ();
4158
4159                 if (!processor) {
4160                         continue;
4161                 }
4162
4163                 Window* w = get_processor_ui (processor);
4164
4165                 if (!w) {
4166                         continue;
4167                 }
4168
4169                 /* rename editor windows for sends and plugins */
4170
4171                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
4172                         w->set_title (send->name ());
4173                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
4174                         w->set_title (generate_processor_title (plugin_insert));
4175                 }
4176         }
4177 }
4178
4179 string
4180 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
4181 {
4182         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
4183         string::size_type email_pos;
4184
4185         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
4186                 maker = maker.substr (0, email_pos - 1);
4187         }
4188
4189         if (maker.length() > 32) {
4190                 maker = maker.substr (0, 32);
4191                 maker += " ...";
4192         }
4193
4194         SessionObject* owner = pi->owner();
4195
4196         if (owner) {
4197                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
4198         } else {
4199                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
4200         }
4201 }
4202
4203 /** @param p Processor.
4204  *  @return the UI window for \a p.
4205  */
4206 Window *
4207 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
4208 {
4209         ProcessorWindowProxy* wp = p->window_proxy();
4210         if (wp) {
4211                 return wp->get ();
4212         }
4213         return 0;
4214 }
4215
4216 /** Make a note of the UI window that a processor is using.
4217  *  @param p Processor.
4218  *  @param w UI window.
4219  */
4220 void
4221 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
4222 {
4223         assert (p->window_proxy());
4224         p->window_proxy()->use_window (*w);
4225 }
4226
4227 void
4228 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
4229 {
4230         boost::shared_ptr<Delivery> d = w.lock ();
4231         if (!d) {
4232                 return;
4233         }
4234
4235         list<ProcessorEntry*> children = processor_display.children ();
4236         list<ProcessorEntry*>::const_iterator i = children.begin();
4237         while (i != children.end() && (*i)->processor() != d) {
4238                 ++i;
4239         }
4240
4241         if (i == children.end()) {
4242                 processor_display.set_active (0);
4243         } else {
4244                 processor_display.set_active (*i);
4245         }
4246 }
4247
4248 /** Called to repair the damage of Editor::show_window doing a show_all() */
4249 void
4250 ProcessorBox::hide_things ()
4251 {
4252         list<ProcessorEntry*> c = processor_display.children ();
4253         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
4254                 (*i)->hide_things ();
4255         }
4256 }
4257
4258 void
4259 ProcessorBox::processor_menu_unmapped ()
4260 {
4261         processor_display.remove_placeholder ();
4262         /* make all possibly-desensitized actions sensitive again so that
4263            they be activated by other means (e.g. bindings)
4264         */
4265         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
4266 }
4267
4268 XMLNode *
4269 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
4270 {
4271         if (!_parent_strip) {
4272                 return 0;
4273         }
4274
4275         GUIObjectState& st = _parent_strip->gui_object_state ();
4276
4277         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
4278         assert (strip);
4279         return st.get_or_add_node (strip, entry->state_id());
4280 }
4281
4282 void
4283 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
4284 {
4285         XMLNode* proc = entry_gui_object_state (entry);
4286         if (!proc) {
4287                 return;
4288         }
4289
4290         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
4291         proc->remove_nodes_and_delete (X_("Object"));
4292         entry->add_control_state (proc);
4293 }
4294
4295 bool
4296 ProcessorBox::is_editor_mixer_strip() const
4297 {
4298         return _parent_strip && !_parent_strip->mixer_owned();
4299 }
4300
4301 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
4302         : WM::ProxyBase (name, string())
4303         , _processor_box (box)
4304         , _processor (processor)
4305         , is_custom (true)
4306         , want_custom (true)
4307 {
4308         boost::shared_ptr<Processor> p = _processor.lock ();
4309         if (!p) {
4310                 return;
4311         }
4312         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
4313
4314         p->ToggleUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::show_the_right_window, this, false), gui_context());
4315         p->ShowUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::show_the_right_window, this, true), gui_context());
4316         p->HideUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::hide, this), gui_context());
4317 }
4318
4319 ProcessorWindowProxy::~ProcessorWindowProxy()
4320 {
4321         /* processor window proxies do not own the windows they create with
4322          * ::get(), so set _window to null before the normal WindowProxy method
4323          * deletes it.
4324          */
4325         _window = 0;
4326 }
4327
4328 void
4329 ProcessorWindowProxy::processor_going_away ()
4330 {
4331         gui_connections.drop_connections ();
4332         delete _window;
4333         _window = 0;
4334         WM::Manager::instance().remove (this);
4335         /* should be no real reason to do this, since the object that would
4336            send DropReferences is about to be deleted, but lets do it anyway.
4337         */
4338         going_away_connection.disconnect();
4339         delete this;
4340 }
4341
4342 ARDOUR::SessionHandlePtr*
4343 ProcessorWindowProxy::session_handle()
4344 {
4345         /* we don't care */
4346         return 0;
4347 }
4348
4349 XMLNode&
4350 ProcessorWindowProxy::get_state ()
4351 {
4352         XMLNode *node;
4353         node = &ProxyBase::get_state();
4354         node->set_property (X_("custom-ui"), is_custom);
4355         return *node;
4356 }
4357
4358 int
4359 ProcessorWindowProxy::set_state (const XMLNode& node, int /*version*/)
4360 {
4361         XMLNodeList children = node.children ();
4362         XMLNodeList::const_iterator i = children.begin ();
4363         while (i != children.end()) {
4364                 std::string name;
4365                 if ((*i)->name() == X_("Window") && (*i)->get_property (X_("name"), name) && name == _name) {
4366                         break;
4367                 }
4368                 ++i;
4369         }
4370
4371         if (i != children.end()) {
4372                 (*i)->get_property (X_("custom-ui"), want_custom);
4373         }
4374
4375         return ProxyBase::set_state (node, 0);
4376 }
4377
4378 Gtk::Window*
4379 ProcessorWindowProxy::get (bool create)
4380 {
4381         boost::shared_ptr<Processor> p = _processor.lock ();
4382
4383         if (!p) {
4384                 return 0;
4385         }
4386         if (_window && (is_custom != want_custom)) {
4387                 /* drop existing window - wrong type */
4388                 set_state_mask (Gtkmm2ext::WindowProxy::StateMask (state_mask () & ~WindowProxy::Size));
4389                 drop_window ();
4390         }
4391
4392         if (!_window) {
4393                 if (!create) {
4394                         return 0;
4395                 }
4396
4397                 is_custom = want_custom;
4398                 _window = _processor_box->get_editor_window (p, is_custom);
4399
4400                 if (_window) {
4401                         setup ();
4402                         _window->show_all ();
4403                 }
4404         }
4405         return _window;
4406 }
4407
4408 void
4409 ProcessorWindowProxy::show_the_right_window (bool show_not_toggle)
4410 {
4411         if (_window && (is_custom != want_custom)) {
4412                 /* drop existing window - wrong type */
4413                 set_state_mask (Gtkmm2ext::WindowProxy::StateMask (state_mask () & ~WindowProxy::Size));
4414                 drop_window ();
4415         }
4416         if (_window && fully_visible () && show_not_toggle) {
4417                 return;
4418         }
4419         toggle ();
4420 }
4421
4422
4423 PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
4424         : WM::ProxyBase (name, string())
4425         , _processor (processor)
4426 {
4427         boost::shared_ptr<Processor> p = _processor.lock ();
4428         if (!p) {
4429                 return;
4430         }
4431         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
4432 }
4433
4434 PluginPinWindowProxy::~PluginPinWindowProxy()
4435 {
4436         _window = 0;
4437 }
4438
4439 ARDOUR::SessionHandlePtr*
4440 PluginPinWindowProxy::session_handle ()
4441 {
4442         ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4443         if (aw) { return aw; }
4444         return 0;
4445 }
4446
4447 Gtk::Window*
4448 PluginPinWindowProxy::get (bool create)
4449 {
4450         boost::shared_ptr<Processor> p = _processor.lock ();
4451         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
4452         if (!p || !pi) {
4453                 return 0;
4454         }
4455
4456         if (!_window) {
4457                 if (!create) {
4458                         return 0;
4459                 }
4460                 _window = new PluginPinDialog (pi);
4461                 ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4462                 if (aw) {
4463                         aw->set_session (_session);
4464                 }
4465                 _window->show_all ();
4466         }
4467         return _window;
4468 }
4469
4470 void
4471 PluginPinWindowProxy::processor_going_away ()
4472 {
4473         delete _window;
4474         _window = 0;
4475         WM::Manager::instance().remove (this);
4476         going_away_connection.disconnect();
4477         delete this;
4478 }
4479
4480 void
4481 ProcessorBox::load_bindings ()
4482 {
4483         bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
4484 }