84767535a7bee1bdd5fe64a0478c56db0d8bfebc
[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 "canvas/utils.h"
31
32 #include <glibmm/miscutils.h>
33 #include <glibmm/fileutils.h>
34
35 #include <gtkmm/messagedialog.h>
36
37 #include <gtkmm2ext/gtk_ui.h>
38 #include "gtkmm2ext/menu_elems.h"
39 #include <gtkmm2ext/utils.h>
40 #include <gtkmm2ext/choice.h>
41 #include <gtkmm2ext/utils.h>
42 #include <gtkmm2ext/doi.h>
43 #include <gtkmm2ext/rgb_macros.h>
44
45 #include "ardour/amp.h"
46 #include "ardour/audio_track.h"
47 #include "ardour/audioengine.h"
48 #include "ardour/internal_return.h"
49 #include "ardour/internal_send.h"
50 #include "ardour/luaproc.h"
51 #include "ardour/luascripting.h"
52 #include "ardour/meter.h"
53 #include "ardour/panner_shell.h"
54 #include "ardour/plugin_insert.h"
55 #include "ardour/pannable.h"
56 #include "ardour/port_insert.h"
57 #include "ardour/profile.h"
58 #include "ardour/return.h"
59 #include "ardour/route.h"
60 #include "ardour/send.h"
61 #include "ardour/session.h"
62 #include "ardour/types.h"
63 #include "ardour/value_as_string.h"
64
65 #include "LuaBridge/LuaBridge.h"
66
67 #include "actions.h"
68 #include "ardour_dialog.h"
69 #include "ardour_ui.h"
70 #include "gui_thread.h"
71 #include "io_selector.h"
72 #include "keyboard.h"
73 #include "luainstance.h"
74 #include "mixer_ui.h"
75 #include "mixer_strip.h"
76 #include "plugin_pin_dialog.h"
77 #include "plugin_selector.h"
78 #include "plugin_ui.h"
79 #include "port_insert_ui.h"
80 #include "processor_box.h"
81 #include "processor_selection.h"
82 #include "public_editor.h"
83 #include "return_ui.h"
84 #include "script_selector.h"
85 #include "send_ui.h"
86 #include "timers.h"
87 #include "tooltips.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
107 ProcessorBox*  ProcessorBox::_current_processor_box = 0;
108 RefPtr<Action> ProcessorBox::paste_action;
109 RefPtr<Action> ProcessorBox::cut_action;
110 RefPtr<Action> ProcessorBox::copy_action;
111 RefPtr<Action> ProcessorBox::rename_action;
112 RefPtr<Action> ProcessorBox::delete_action;
113 RefPtr<Action> ProcessorBox::backspace_action;
114 RefPtr<Action> ProcessorBox::manage_pins_action;
115 RefPtr<Action> ProcessorBox::edit_action;
116 RefPtr<Action> ProcessorBox::edit_generic_action;
117 RefPtr<ActionGroup> ProcessorBox::processor_box_actions;
118 Gtkmm2ext::ActionMap ProcessorBox::myactions (X_("processor box"));
119 Gtkmm2ext::Bindings* ProcessorBox::bindings = 0;
120
121
122 // TODO consolidate with PluginPinDialog::set_color
123 static void set_routing_color (cairo_t* cr, bool midi)
124 {
125         static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
126         static const uint32_t midi_port_color = 0x960909FF; //Red
127
128         if (midi) {
129                 cairo_set_source_rgb (cr,
130                                 UINT_RGBA_R_FLT(midi_port_color),
131                                 UINT_RGBA_G_FLT(midi_port_color),
132                                 UINT_RGBA_B_FLT(midi_port_color));
133         } else {
134                 cairo_set_source_rgb (cr,
135                                 UINT_RGBA_R_FLT(audio_port_color),
136                                 UINT_RGBA_G_FLT(audio_port_color),
137                                 UINT_RGBA_B_FLT(audio_port_color));
138         }
139 }
140
141 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
142         : _button (ArdourButton::led_default_elements)
143         , _position (PreFader)
144         , _position_num(0)
145         , _parent (parent)
146         , _selectable(true)
147         , _unknown_processor(false)
148         , _processor (p)
149         , _width (w)
150         , input_icon(true)
151         , output_icon(false)
152         , routing_icon(true)
153         , output_routing_icon(false)
154         , _plugin_display(0)
155 {
156         _vbox.show ();
157
158         _button.set_distinct_led_click (true);
159         _button.set_fallthrough_to_parent(true);
160         _button.set_led_left (true);
161         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
162         _button.set_text (name (_width));
163
164         if (boost::dynamic_pointer_cast<PeakMeter> (_processor)) {
165                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
166         }
167         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
168                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
169                 _unknown_processor = true;
170         }
171         {
172                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
173                 if (pi && pi->plugin()) {
174                         _plugin_preset_pointer = PluginPresetPtr (new PluginPreset (pi->plugin()->get_info()));
175                 }
176         }
177         if (_processor) {
178
179                 _vbox.pack_start (routing_icon);
180                 _vbox.pack_start (input_icon);
181                 _vbox.pack_start (_button, true, true);
182
183                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
184                 if (pi && pi->plugin() && pi->plugin()->has_inline_display()) {
185                         if (pi->plugin()->get_info()->type != ARDOUR::Lua) {
186                                 _plugin_display = new PluginDisplay (*this, pi->plugin(),
187                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
188                         } else {
189                                 assert (boost::dynamic_pointer_cast<LuaProc>(pi->plugin()));
190                                 _plugin_display = new LuaPluginDisplay (*this, boost::dynamic_pointer_cast<LuaProc>(pi->plugin()),
191                                                 std::max (60.f, rintf(112.f * UIConfiguration::instance().get_ui_scale())));
192                         }
193                         _vbox.pack_start (*_plugin_display);
194                         _plugin_display->set_no_show_all (true);
195                         if (UIConfiguration::instance().get_show_inline_display_by_default ()) {
196                                 _plugin_display->show ();
197                         }
198                 }
199                 _vbox.pack_end (output_routing_icon);
200                 _vbox.pack_end (output_icon);
201
202                 _button.set_active (_processor->enabled ());
203
204                 input_icon.set_no_show_all(true);
205                 routing_icon.set_no_show_all(true);
206                 output_icon.set_no_show_all(true);
207                 output_routing_icon.set_no_show_all(true);
208
209                 _button.show ();
210                 input_icon.hide();
211                 output_icon.show();
212                 routing_icon.hide();
213                 output_routing_icon.hide();
214
215                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
216                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
217                 _processor->ConfigurationChanged.connect (config_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_configuration_changed, this, _1, _2), gui_context());
218
219                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
220                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
221
222                         std::string label = _processor->describe_parameter (*i);
223
224                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
225                                 label = _("Send");
226                         } else if (boost::dynamic_pointer_cast<Return> (_processor)) {
227                                 label = _("Return");
228                         }
229
230                         Control* c = new Control (_processor->automation_control (*i), label);
231
232                         _controls.push_back (c);
233
234                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
235                                 /* Add non-Amp (Fader & Trim) controls to the processor box */
236                                 _vbox.pack_start (c->box);
237                         }
238                 }
239
240                 setup_tooltip ();
241                 setup_visuals ();
242         } else {
243                 _vbox.set_size_request (-1, _button.size_request().height);
244         }
245 }
246
247 ProcessorEntry::~ProcessorEntry ()
248 {
249         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
250                 delete *i;
251         }
252         delete _plugin_display;
253 }
254
255 EventBox&
256 ProcessorEntry::action_widget ()
257 {
258         return _button;
259 }
260
261 Gtk::Widget&
262 ProcessorEntry::widget ()
263 {
264         return _vbox;
265 }
266
267 string
268 ProcessorEntry::drag_text () const
269 {
270         return name (Wide);
271 }
272
273 bool
274 ProcessorEntry::can_copy_state (Gtkmm2ext::DnDVBoxChild* o) const
275 {
276         ProcessorEntry *other = dynamic_cast<ProcessorEntry*> (o);
277         if (!other) {
278                 return false;
279         }
280         boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
281         boost::shared_ptr<PluginInsert> my_pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
282         boost::shared_ptr<PluginInsert> ot_pi = boost::dynamic_pointer_cast<PluginInsert> (otherproc);
283         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
284                 return false;
285         }
286         if (boost::dynamic_pointer_cast<UnknownProcessor> (otherproc)) {
287                 return false;
288         }
289         if (!my_pi || !ot_pi) {
290                 return false;
291         }
292         if (my_pi->type() != ot_pi->type()) {
293                 return false;
294         }
295         boost::shared_ptr<Plugin> my_p = my_pi->plugin();
296         boost::shared_ptr<Plugin> ot_p = ot_pi->plugin();
297         if (!my_p || !ot_p) {
298                 return false;
299         }
300         if (my_p->unique_id() != ot_p->unique_id()) {
301                 return false;
302         }
303         return true;
304 }
305
306 bool
307 ProcessorEntry::drag_data_get (Glib::RefPtr<Gdk::DragContext> const, Gtk::SelectionData &data)
308 {
309         if (data.get_target() == "PluginPresetPtr") {
310                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
311
312                 if (!_plugin_preset_pointer || !pi) {
313                         data.set (data.get_target(), 8, NULL, 0);
314                         return true;
315                 }
316
317                 boost::shared_ptr<ARDOUR::Plugin> plugin = pi->plugin();
318                 assert (plugin);
319
320                 PluginManager& manager (PluginManager::instance());
321                 bool fav = manager.get_status (_plugin_preset_pointer->_pip) == PluginManager::Favorite;
322
323                 NewPluginPresetDialog d (plugin,
324                                 string_compose(_("New Favorite Preset for \"%1\""),_plugin_preset_pointer->_pip->name), !fav);
325
326                 _plugin_preset_pointer->_preset.valid = false;
327
328                 switch (d.run ()) {
329                         case Gtk::RESPONSE_CANCEL:
330                                 data.set (data.get_target(), 8, NULL, 0);
331                                 return true;
332                                 break;
333
334                         case Gtk::RESPONSE_NO:
335                                 break;
336
337                         case Gtk::RESPONSE_ACCEPT:
338                                 if (d.name().empty()) {
339                                         break;
340                                 }
341
342                                 if (d.replace ()) {
343                                         plugin->remove_preset (d.name ());
344                                 }
345
346                                 Plugin::PresetRecord const r = plugin->save_preset (d.name());
347
348                                 if (!r.uri.empty ()) {
349                                         _plugin_preset_pointer->_preset.uri   = r.uri;
350                                         _plugin_preset_pointer->_preset.label = r.label;
351                                         _plugin_preset_pointer->_preset.user  = r.user;
352                                         _plugin_preset_pointer->_preset.valid = r.valid;
353                                 }
354                 }
355                 data.set (data.get_target(), 8, (const guchar *) &_plugin_preset_pointer, sizeof (PluginPresetPtr));
356                 return true;
357         }
358         return false;
359 }
360
361 void
362 ProcessorEntry::set_position (Position p, uint32_t num)
363 {
364         _position = p;
365         _position_num = num;
366         setup_visuals ();
367 }
368
369 void
370 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
371 {
372         if (yn) {
373                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
374         } else {
375                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
376         }
377 }
378
379 void
380 ProcessorEntry::setup_visuals ()
381 {
382         if (_unknown_processor) {
383                 _button.set_name ("processor stub");
384                 return;
385         }
386         boost::shared_ptr<Send> send;
387         if ((send = boost::dynamic_pointer_cast<Send> (_processor))) {
388                 if (send->remove_on_disconnect ()) {
389                         _button.set_name ("processor sidechain");
390                         return;
391                 }
392         }
393
394         boost::shared_ptr<InternalSend> aux;
395         if ((aux = boost::dynamic_pointer_cast<InternalSend> (_processor))) {
396                 if (aux->allow_feedback ()) {
397                         _button.set_name ("processor auxfeedback");
398                         return;
399                 }
400         }
401
402         switch (_position) {
403         case PreFader:
404                 if (_plugin_display) { _plugin_display->set_name ("processor prefader"); }
405                 _button.set_name ("processor prefader");
406                 break;
407
408         case Fader:
409                 _button.set_name ("processor fader");
410                 break;
411
412         case PostFader:
413                 if (_plugin_display) { _plugin_display->set_name ("processor postfader"); }
414                 _button.set_name ("processor postfader");
415                 break;
416         }
417 }
418
419
420 boost::shared_ptr<Processor>
421 ProcessorEntry::processor () const
422 {
423         if (!_processor) {
424                 return boost::shared_ptr<Processor>();
425         }
426         return _processor;
427 }
428
429 void
430 ProcessorEntry::set_enum_width (Width w)
431 {
432         _width = w;
433         _button.set_text (name (_width));
434 }
435
436 void
437 ProcessorEntry::led_clicked(GdkEventButton *ev)
438 {
439         bool ctrl_shift_pressed = false;
440         Keyboard::ModifierMask ctrl_shift_mask = Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier);
441
442         if (Keyboard::modifier_state_equals (ev->state, ctrl_shift_mask)) {
443                 ctrl_shift_pressed = true;
444         }
445
446         if (_processor) {
447                 if (_button.get_active ()) {
448                         if (ctrl_shift_pressed) {
449                                 _parent->all_visible_processors_active(false);
450
451                                 if (_position == Fader) {
452                                         _processor->enable (false);
453                                 }
454                         }
455                         else {
456                                 _processor->enable (false);
457                         }
458
459                 } else {
460                         if (ctrl_shift_pressed) {
461                                 _parent->all_visible_processors_active(true);
462
463                                 if (_position == Fader) {
464                                         _processor->enable (true);
465                                 }
466                         }
467                         else {
468                                 _processor->enable (true);
469                         }
470                 }
471         }
472 }
473
474 void
475 ProcessorEntry::processor_active_changed ()
476 {
477         if (_processor) {
478                 _button.set_active (_processor->enabled ());
479         }
480 }
481
482 void
483 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
484 {
485         if (what_changed.contains (ARDOUR::Properties::name)) {
486                 _button.set_text (name (_width));
487                 setup_tooltip ();
488         }
489 }
490
491 void
492 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
493 {
494         _parent->setup_routing_feeds ();
495         input_icon.queue_draw();
496         output_icon.queue_draw();
497         routing_icon.queue_draw();
498         output_routing_icon.queue_draw();
499 }
500
501 void
502 ProcessorEntry::setup_tooltip ()
503 {
504         if (_processor) {
505                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
506                 if (pi) {
507                         std::string postfix = "";
508                         uint32_t replicated;
509
510                         if (pi->plugin()->has_inline_display()) {
511                                 postfix += string_compose(_("\n%1+double-click to toggle inline-display"), Keyboard::tertiary_modifier_name ());
512                         }
513
514                         if ((replicated = pi->get_count()) > 1) {
515                                 postfix += string_compose(_("\nThis mono plugin has been replicated %1 times."), replicated);
516                         }
517
518                         if (pi->plugin()->has_editor()) {
519                                 ARDOUR_UI_UTILS::set_tooltip (_button,
520                                                 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));
521                         } else {
522                                 ARDOUR_UI_UTILS::set_tooltip (_button,
523                                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), name (Wide), postfix));
524                         }
525                         return;
526                 }
527                 if(boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
528                         ARDOUR_UI::instance()->set_tip (_button,
529                                         string_compose (_("<b>%1</b>\nThe Plugin is not available on this system\nand has been replaced by a stub."), name (Wide)));
530                         return;
531                 }
532                 boost::shared_ptr<Send> send;
533                 if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
534                                 !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
535                         if (send->remove_on_disconnect ()) {
536                                 ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>&gt; %1</b>\nThis (sidechain) send will be removed when disconnected.", _processor->name()));
537                         } else {
538                                 ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>&gt; %1</b>", _processor->name()));
539                         }
540                         return;
541                 }
542         }
543         ARDOUR_UI_UTILS::set_tooltip (_button, string_compose ("<b>%1</b>", name (Wide)));
544 }
545
546 string
547 ProcessorEntry::name (Width w) const
548 {
549         boost::shared_ptr<Send> send;
550         string name_display;
551
552         if (!_processor) {
553                 return string();
554         }
555
556         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
557             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
558
559                 name_display += '>';
560                 std::string send_name;
561                 bool pretty_ok = true;
562
563                 if (send->remove_on_disconnect ()) {
564                         // assume it's a sidechain, find pretty name of connected port(s)
565                         PortSet& ps (send->output ()->ports ());
566                         for (PortSet::iterator i = ps.begin (); i != ps.end () && pretty_ok; ++i) {
567                                 vector<string> connections;
568                                 if (i->get_connections (connections)) {
569                                         vector<string>::const_iterator ci;
570                                         for (ci = connections.begin(); ci != connections.end(); ++ci) {
571                                                 std::string pn = AudioEngine::instance()->get_pretty_name_by_name (*ci);
572                                                 if (pn.empty ()) {
573                                                         continue;
574                                                 }
575                                                 if (send_name.empty ()) {
576                                                         send_name = pn;
577                                                 } else if (send_name != pn) {
578                                                         // pretty names don't match
579                                                         pretty_ok = false;
580                                                         break;
581                                                 }
582                                         }
583                                 }
584                         }
585                 }
586
587                 if (!pretty_ok) {
588                         send_name = "";
589                 }
590
591                 /* grab the send name out of its overall name */
592                 if (send_name.empty()) {
593                         send_name = send->name();
594                         string::size_type lbracket, rbracket;
595                         lbracket = send_name.find ('[');
596                         rbracket = send_name.find (']');
597                         send_name = send_name.substr (lbracket+1, lbracket-rbracket-1);
598                 }
599
600                 switch (w) {
601                 case Wide:
602                         name_display += send_name;
603                         break;
604                 case Narrow:
605                         name_display += PBD::short_version (send_name, 5);
606                         break;
607                 }
608
609         } else {
610                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
611                 uint32_t replicated;
612                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
613                                 && (replicated = pi->get_count()) > 1)
614                 {
615                         name_display += string_compose(_("(%1x1) "), replicated);
616                 }
617
618                 switch (w) {
619                 case Wide:
620                         name_display += _processor->display_name();
621                         break;
622                 case Narrow:
623                         name_display += PBD::short_version (_processor->display_name(), 5);
624                         break;
625                 }
626
627         }
628
629         return name_display;
630 }
631
632 void
633 ProcessorEntry::show_all_controls ()
634 {
635         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
636                 (*i)->set_visible (true);
637         }
638
639         _parent->update_gui_object_state (this);
640 }
641
642 void
643 ProcessorEntry::hide_all_controls ()
644 {
645         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
646                 (*i)->set_visible (false);
647         }
648
649         _parent->update_gui_object_state (this);
650 }
651
652 void
653 ProcessorEntry::add_control_state (XMLNode* node) const
654 {
655         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
656                 (*i)->add_state (node);
657         }
658
659         if (_plugin_display) {
660                 XMLNode* c = new XMLNode (X_("Object"));
661                 c->set_property (X_("id"), X_("InlineDisplay"));
662                 c->set_property (X_("visible"), _plugin_display->is_visible ());
663                 node->add_child_nocopy (*c);
664         }
665 }
666
667 void
668 ProcessorEntry::set_control_state (XMLNode const * node)
669 {
670         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
671                 (*i)->set_state (node);
672         }
673
674         if (_plugin_display) {
675                 XMLNode* n = GUIObjectState::get_node (node, X_("InlineDisplay"));
676                 if (!n) return;
677
678                 bool visible;
679                 if (n->get_property (X_("visible"), visible)) {
680                         if (visible) {
681                                 _plugin_display->show ();
682                         } else {
683                                 _plugin_display->hide ();
684                         }
685                 }
686         }
687 }
688
689 string
690 ProcessorEntry::state_id () const
691 {
692         return string_compose ("processor %1", _processor->id().to_s());
693 }
694
695 void
696 ProcessorEntry::hide_things ()
697 {
698         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
699                 (*i)->hide_things ();
700         }
701 }
702
703
704 Menu *
705 ProcessorEntry::build_controls_menu ()
706 {
707         using namespace Menu_Helpers;
708         Menu* menu = manage (new Menu);
709         MenuList& items = menu->items ();
710
711         if (_plugin_display) {
712                 items.push_back (CheckMenuElem (_("Inline Display")));
713                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
714                 c->set_active (_plugin_display->is_visible ());
715                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_inline_display_visibility));
716                 items.push_back (SeparatorElem ());
717         }
718
719         items.push_back (
720                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
721                 );
722
723         items.push_back (
724                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
725                 );
726
727         if (!_controls.empty ()) {
728                 items.push_back (SeparatorElem ());
729         }
730
731         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
732                 items.push_back (CheckMenuElemNoMnemonic ((*i)->name ()));
733                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
734                 c->set_active ((*i)->visible ());
735                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
736         }
737
738         return menu;
739 }
740
741 void
742 ProcessorEntry::toggle_inline_display_visibility ()
743 {
744         if (_plugin_display->is_visible ()) {
745                 _plugin_display->hide();
746         } else {
747                 _plugin_display->show();
748         }
749         _parent->update_gui_object_state (this);
750 }
751
752 void
753 ProcessorEntry::toggle_control_visibility (Control* c)
754 {
755         c->set_visible (!c->visible ());
756         _parent->update_gui_object_state (this);
757 }
758
759 Menu *
760 ProcessorEntry::build_send_options_menu ()
761 {
762         using namespace Menu_Helpers;
763         Menu* menu = manage (new Menu);
764         MenuList& items = menu->items ();
765
766         if (!ARDOUR::Profile->get_mixbus()) {
767                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
768                 if (send) {
769                         items.push_back (CheckMenuElem (_("Link panner controls")));
770                         Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
771                         c->set_active (send->panner_shell()->is_linked_to_route());
772                         c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
773                 }
774         }
775
776         boost::shared_ptr<InternalSend> aux = boost::dynamic_pointer_cast<InternalSend> (_processor);
777         if (aux) {
778                 items.push_back (CheckMenuElem (_("Allow Feedback Loop")));
779                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
780                 c->set_active (aux->allow_feedback());
781                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_allow_feedback));
782         }
783         return menu;
784 }
785
786 void
787 ProcessorEntry::toggle_panner_link ()
788 {
789         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
790         if (send) {
791                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
792         }
793 }
794
795 void
796 ProcessorEntry::toggle_allow_feedback ()
797 {
798         boost::shared_ptr<InternalSend> aux = boost::dynamic_pointer_cast<InternalSend> (_processor);
799         if (aux) {
800                 aux->set_allow_feedback (!aux->allow_feedback ());
801         }
802 }
803
804 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
805         : _control (c)
806         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
807         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * UIConfiguration::instance().get_ui_scale())))
808         , _slider_persistant_tooltip (&_slider)
809         , _button (ArdourButton::led_default_elements)
810         , _ignore_ui_adjustment (false)
811         , _visible (false)
812         , _name (n)
813 {
814         _slider.set_controllable (c);
815         box.set_padding(0, 0, 4, 4);
816
817         if (c->toggled()) {
818                 _button.set_text (_name);
819                 _button.set_led_left (true);
820                 _button.set_name ("processor control button");
821                 box.add (_button);
822                 _button.show ();
823
824                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
825                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked_event));
826                 // dup. currently timers are used :(
827                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
828
829         } else {
830
831                 _slider.set_name ("ProcessorControlSlider");
832                 _slider.set_text (_name);
833
834                 box.add (_slider);
835                 _slider.show ();
836
837                 const ARDOUR::ParameterDescriptor& desc = c->desc();
838                 double const lo = c->internal_to_interface(desc.lower);
839                 double const up = c->internal_to_interface(desc.upper);
840                 double const normal = c->internal_to_interface(desc.normal);
841                 double smallstep = desc.smallstep;
842                 double largestep = desc.largestep;
843
844                 if (smallstep == 0.0) {
845                         smallstep = up / 1000.;
846                 } else {
847                         smallstep = c->internal_to_interface(desc.lower + smallstep);
848                 }
849
850                 if (largestep == 0.0) {
851                         largestep = up / 40.;
852                 } else {
853                         largestep = c->internal_to_interface(desc.lower + largestep);
854                 }
855
856                 _adjustment.set_lower (lo);
857                 _adjustment.set_upper (up);
858                 _adjustment.set_step_increment (smallstep);
859                 _adjustment.set_page_increment (largestep);
860                 _slider.set_default_value (normal);
861
862                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
863                 // dup. currently timers are used :(
864                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
865         }
866
867         // yuck, do we really need to do this?
868         // according to c404374 this is only needed for send automation
869         timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &Control::control_changed));
870
871         control_changed ();
872         set_tooltip ();
873
874         /* We're providing our own PersistentTooltip */
875         set_no_tooltip_whatsoever (_slider);
876 }
877
878 ProcessorEntry::Control::~Control ()
879 {
880         timer_connection.disconnect ();
881 }
882
883 void
884 ProcessorEntry::Control::set_tooltip ()
885 {
886         boost::shared_ptr<AutomationControl> c = _control.lock ();
887
888         if (!c) {
889                 return;
890         }
891         std::string tt = _name + ": " + ARDOUR::value_as_string (c->desc(), c->get_value ());
892         string sm = Gtkmm2ext::markup_escape_text (tt);
893         _slider_persistant_tooltip.set_tip (sm);
894         ARDOUR_UI_UTILS::set_tooltip (_button, sm);
895 }
896
897 void
898 ProcessorEntry::Control::slider_adjusted ()
899 {
900         if (_ignore_ui_adjustment) {
901                 return;
902         }
903
904         boost::shared_ptr<AutomationControl> c = _control.lock ();
905
906         if (!c) {
907                 return;
908         }
909
910         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) , Controllable::NoGroup);
911         set_tooltip ();
912 }
913
914 void
915 ProcessorEntry::Control::button_clicked ()
916 {
917         boost::shared_ptr<AutomationControl> c = _control.lock ();
918
919         if (!c) {
920                 return;
921         }
922
923         bool const n = _button.get_active ();
924
925         c->set_value (n ? 0 : 1, Controllable::NoGroup);
926         _button.set_active (!n);
927         set_tooltip ();
928 }
929
930 void
931 ProcessorEntry::Control::button_clicked_event (GdkEventButton *ev)
932 {
933         (void) ev;
934
935         button_clicked ();
936 }
937
938 void
939 ProcessorEntry::Control::control_changed ()
940 {
941         boost::shared_ptr<AutomationControl> c = _control.lock ();
942         if (!c) {
943                 return;
944         }
945
946         _ignore_ui_adjustment = true;
947
948         if (c->toggled ()) {
949
950                 _button.set_active (c->get_value() > 0.5);
951
952         } else {
953                 // as long as rapid timers are used, only update the tooltip
954                 // if the value has changed.
955                 const double nval = c->internal_to_interface (c->get_value ());
956                 if (_adjustment.get_value() != nval) {
957                         _adjustment.set_value (nval);
958                         set_tooltip ();
959                 }
960         }
961
962         _ignore_ui_adjustment = false;
963 }
964
965 void
966 ProcessorEntry::Control::add_state (XMLNode* node) const
967 {
968         XMLNode* c = new XMLNode (X_("Object"));
969         c->set_property (X_("id"), state_id ());
970         c->set_property (X_("visible"), _visible);
971         node->add_child_nocopy (*c);
972 }
973
974 void
975 ProcessorEntry::Control::set_state (XMLNode const * node)
976 {
977         XMLNode* n = GUIObjectState::get_node (node, state_id ());
978         if (n) {
979                 bool visible;
980                 if (n->get_property (X_("visible"), visible)) {
981                         set_visible (visible);
982                 }
983         } else {
984                 set_visible (false);
985         }
986 }
987
988 void
989 ProcessorEntry::Control::set_visible (bool v)
990 {
991         if (v) {
992                 box.show ();
993         } else {
994                 box.hide ();
995         }
996
997         _visible = v;
998 }
999
1000 /** Called when the Editor might have re-shown things that
1001     we want hidden.
1002 */
1003 void
1004 ProcessorEntry::Control::hide_things ()
1005 {
1006         if (!_visible) {
1007                 box.hide ();
1008         }
1009 }
1010
1011 string
1012 ProcessorEntry::Control::state_id () const
1013 {
1014         boost::shared_ptr<AutomationControl> c = _control.lock ();
1015         assert (c);
1016
1017         return string_compose (X_("control %1"), c->id().to_s ());
1018 }
1019
1020 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
1021         : ProcessorEntry (b, p, w)
1022         , _plugin_insert (p)
1023 {
1024         p->PluginIoReConfigure.connect (
1025                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1026                 );
1027         p->PluginMapChanged.connect (
1028                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1029                 );
1030         p->PluginConfigChanged.connect (
1031                 _iomap_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::iomap_changed, this), gui_context()
1032                 );
1033 }
1034
1035 void
1036 PluginInsertProcessorEntry::iomap_changed ()
1037 {
1038         _parent->setup_routing_feeds ();
1039         routing_icon.queue_draw();
1040         output_routing_icon.queue_draw();
1041 }
1042
1043 void
1044 PluginInsertProcessorEntry::hide_things ()
1045 {
1046         ProcessorEntry::hide_things ();
1047 }
1048
1049 ProcessorEntry::PortIcon::PortIcon(bool input) {
1050         _input = input;
1051         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
1052         set_size_request (-1, std::max (2.f, rintf(2.f * UIConfiguration::instance().get_ui_scale())));
1053 }
1054
1055 bool
1056 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
1057 {
1058         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1059
1060         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1061         cairo_clip (cr);
1062
1063         Gtk::Allocation a = get_allocation();
1064         double const width = a.get_width();
1065         double const height = a.get_height();
1066
1067         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1068         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1069
1070         cairo_rectangle (cr, 0, 0, width, height);
1071         cairo_fill (cr);
1072
1073         const double dx = rint(max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1074         for (uint32_t i = 0; i < _ports.n_total(); ++i) {
1075                 set_routing_color (cr, i < _ports.n_midi());
1076                 const double x = ProcessorEntry::RoutingIcon::pin_x_pos (i, width, _ports.n_total(), 0 , false);
1077                 cairo_rectangle (cr, x - .5 - dx * .5, 0, 1 + dx, height);
1078                 cairo_fill(cr);
1079         }
1080
1081         cairo_destroy(cr);
1082         return true;
1083 }
1084
1085 ProcessorEntry::RoutingIcon::RoutingIcon (bool input)
1086         : _fed_by (false)
1087         , _input (input)
1088 {
1089         set_terminal (false);
1090 }
1091
1092 void
1093 ProcessorEntry::RoutingIcon::set_terminal (bool b) {
1094         _terminal = b;
1095         int h = std::max (8.f, rintf(8.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1096         if (_terminal) {
1097                 h += std::max (4.f, rintf(4.f * sqrt (UIConfiguration::instance().get_ui_scale())));
1098         }
1099         set_size_request (-1, h);
1100 }
1101
1102 void
1103 ProcessorEntry::RoutingIcon::set (
1104                 const ARDOUR::ChanCount& in,
1105                 const ARDOUR::ChanCount& out,
1106                 const ARDOUR::ChanCount& sinks,
1107                 const ARDOUR::ChanCount& sources,
1108                 const ARDOUR::ChanMapping& in_map,
1109                 const ARDOUR::ChanMapping& out_map,
1110                 const ARDOUR::ChanMapping& thru_map)
1111 {
1112         _in       = in;
1113         _out      = out;
1114         _sources  = sources;
1115         _sinks    = sinks;
1116         _in_map   = in_map;
1117         _out_map  = out_map;
1118         _thru_map = thru_map;
1119 }
1120
1121 bool
1122 ProcessorEntry::RoutingIcon::in_identity () const {
1123         if (_thru_map.n_total () > 0) {
1124                 return false;
1125         }
1126         if (!_in_map.is_monotonic () || !_in_map.is_identity ()) {
1127                 return false;
1128         }
1129         if (_in_map.n_total () != _sinks.n_total () || _in.n_total () != _sinks.n_total ()) {
1130                 return false;
1131         }
1132         return true;
1133 }
1134
1135 bool
1136 ProcessorEntry::RoutingIcon::out_identity () const {
1137         if (_thru_map.n_total () > 0) {
1138                 // TODO skip if trhu is not connected to any of next's inputs
1139                 return false;
1140         }
1141         if (!_out_map.is_monotonic () || !_out_map.is_identity ()) {
1142                 return false;
1143         }
1144         if (_out_map.n_total () != _sources.n_total () || _out.n_total () != _sources.n_total ()) {
1145                 return false;
1146         }
1147         return true;
1148 }
1149
1150 bool
1151 ProcessorEntry::RoutingIcon::can_coalesce () const {
1152         if (_thru_map.n_total () > 0) {
1153                 return false;
1154         }
1155         if (_fed_by && _f_out != _f_sources) {
1156                 return false;
1157         }
1158         if (_fed_by && !_f_out_map.is_identity () && !_in_map.is_identity ()) {
1159                 return false;
1160         }
1161         if (_input && _sinks == _in && (!_fed_by || _f_out == _in)) {
1162                 return true;
1163         }
1164         return false;
1165 }
1166
1167 void
1168 ProcessorEntry::RoutingIcon::set_fed_by (
1169                                 const ARDOUR::ChanCount& out,
1170                                 const ARDOUR::ChanCount& sources,
1171                                 const ARDOUR::ChanMapping& out_map,
1172                                 const ARDOUR::ChanMapping& thru_map)
1173 {
1174         _f_out      = out;
1175         _f_sources  = sources;
1176         _f_out_map  = out_map;
1177         _f_thru_map = thru_map;
1178         _fed_by     = true;
1179 }
1180
1181 void
1182 ProcessorEntry::RoutingIcon::set_feeding (
1183                                 const ARDOUR::ChanCount& in,
1184                                 const ARDOUR::ChanCount& sinks,
1185                                 const ARDOUR::ChanMapping& in_map,
1186                                 const ARDOUR::ChanMapping& thru_map)
1187 {
1188         _i_in       = in;
1189         _i_sinks    = sinks;
1190         _i_in_map   = in_map;
1191         _i_thru_map = thru_map;
1192         _feeding    = true;
1193 }
1194
1195 double
1196 ProcessorEntry::RoutingIcon::pin_x_pos (uint32_t i, double width, uint32_t n_total, uint32_t n_midi, bool midi)
1197 {
1198         if (!midi) { i += n_midi; }
1199         if (n_total == 1) {
1200                 assert (i == 0);
1201                 return rint (width * .5) +.5;
1202         }
1203         return rint (width * (.15 + .7 * i / (n_total - 1))) + .5;
1204 }
1205
1206 void
1207 ProcessorEntry::RoutingIcon::draw_gnd (cairo_t* cr, double x0, double y0, double height, bool midi)
1208 {
1209         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1210         const double y1 = rint (height * .66) + .5;
1211
1212         cairo_save (cr);
1213         cairo_translate (cr, x0, y0);
1214         cairo_move_to (cr, 0, height);
1215         cairo_line_to (cr, 0, y1);
1216         cairo_move_to (cr, 0 - dx, y1);
1217         cairo_line_to (cr, 0 + dx, y1);
1218
1219         set_routing_color (cr, midi);
1220         cairo_set_line_width (cr, 1.0);
1221         cairo_stroke (cr);
1222         cairo_restore (cr);
1223 }
1224
1225 void
1226 ProcessorEntry::RoutingIcon::draw_sidechain (cairo_t* cr, double x0, double y0, double height, bool midi)
1227 {
1228         const double dx = 1 + rint (max(2., 2. * UIConfiguration::instance().get_ui_scale()));
1229         const double y1 = rint (height * .5) - .5;
1230
1231         cairo_save (cr);
1232         cairo_translate (cr, x0, y0);
1233         cairo_move_to (cr, 0 - dx, height);
1234         cairo_line_to (cr, 0, y1);
1235         cairo_line_to (cr, 0 + dx, height);
1236         cairo_close_path (cr);
1237
1238         set_routing_color (cr, midi);
1239         cairo_fill (cr);
1240         cairo_restore (cr);
1241 }
1242
1243 void
1244 ProcessorEntry::RoutingIcon::draw_thru_src (cairo_t* cr, double x0, double y0, double height, bool midi)
1245 {
1246         const double rad = 1;
1247         const double y1 = height - rad - 1.5;
1248
1249         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1250         cairo_move_to (cr, x0, y0 + height - 1.5);
1251         cairo_line_to (cr, x0, y0 + height);
1252         set_routing_color (cr, midi);
1253         cairo_set_line_width  (cr, 1.0);
1254         cairo_stroke (cr);
1255 }
1256
1257 void
1258 ProcessorEntry::RoutingIcon::draw_thru_sink (cairo_t* cr, double x0, double y0, double height, bool midi)
1259 {
1260         const double rad = 1;
1261         const double y1 = rad + 1;
1262
1263         cairo_arc (cr, x0, y0 + y1, rad, 0, 2. * M_PI);
1264         cairo_move_to (cr, x0, y0);
1265         cairo_line_to (cr, x0, y0 + 1);
1266         set_routing_color (cr, midi);
1267         cairo_set_line_width  (cr, 1.0);
1268         cairo_stroke (cr);
1269 }
1270
1271 void
1272 ProcessorEntry::RoutingIcon::draw_connection (cairo_t* cr, double x0, double x1, double y0, double y1, bool midi, bool dashed)
1273 {
1274         double bz = abs (y1 - y0);
1275
1276         cairo_move_to (cr, x0, y0);
1277         cairo_curve_to (cr, x0, y0 + bz, x1, y1 - bz, x1, y1);
1278         cairo_set_line_width  (cr, 1.0);
1279         cairo_set_line_cap  (cr,  CAIRO_LINE_CAP_ROUND);
1280         cairo_set_source_rgb (cr, 1, 0, 0);
1281         if (dashed) {
1282                 const double dashes[] = { 2, 3 };
1283                 cairo_set_dash (cr, dashes, 2, 0);
1284         }
1285         set_routing_color (cr, midi);
1286         cairo_stroke (cr);
1287         if (dashed) {
1288                 cairo_set_dash (cr, 0, 0, 0);
1289         }
1290 }
1291
1292 bool
1293 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
1294 {
1295         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1296
1297         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1298         cairo_clip (cr);
1299
1300         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
1301
1302         Gtk::Allocation a = get_allocation();
1303         double const width = a.get_width();
1304         double const height = a.get_height();
1305
1306         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1307         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1308
1309         cairo_rectangle (cr, 0, 0, width, height);
1310         cairo_fill (cr);
1311
1312         if (_input) {
1313                 if (can_coalesce ()) {
1314                         expose_coalesced_input_map (cr, width, height);
1315                 } else {
1316                         expose_input_map (cr, width, height);
1317                 }
1318         } else {
1319                 expose_output_map (cr, width, height);
1320         }
1321
1322         cairo_destroy(cr);
1323         return true;
1324 }
1325
1326 void
1327 ProcessorEntry::RoutingIcon::expose_coalesced_input_map (cairo_t* cr, const double width, const double height)
1328 {
1329         const uint32_t pc_in = _sinks.n_total();
1330         const uint32_t pc_in_midi = _sinks.n_midi();
1331
1332         for (uint32_t i = 0; i < pc_in; ++i) {
1333                 const bool is_midi = i < pc_in_midi;
1334                 bool valid_in;
1335                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1336                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1337                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1338                 if (!valid_in) {
1339                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1340                         draw_gnd (cr, x, 0, height, is_midi);
1341                         continue;
1342                 }
1343                 if (idx >= _in.get (dt)) {
1344                         // side-chain, probably
1345                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1346                         draw_sidechain (cr, x, 0, height, is_midi);
1347                         continue;
1348                 }
1349                 double c_x0;
1350                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1351
1352                 if (_fed_by) {
1353                         bool valid_src;
1354                         uint32_t src = _f_out_map.get_src (dt, idx, &valid_src);
1355                         if (!valid_src) {
1356                                 double x = pin_x_pos (i, width, pc_in, 0, false);
1357                                 bool valid_thru;
1358                                 _f_thru_map.get (dt, idx, &valid_thru);
1359                                 if (valid_thru) {
1360                                         draw_thru_src (cr, x, 0, height, is_midi);
1361                                 } else {
1362                                         draw_gnd (cr, x, 0, height, is_midi);
1363                                 }
1364                                 continue;
1365                         }
1366                         c_x0 = pin_x_pos (src, width, _f_sources.n_total(), _f_sources.n_midi(), is_midi);
1367                 } else {
1368                         c_x0 = pin_x_pos (idx, width, _in.n_total(), _in.n_midi(), is_midi);
1369                 }
1370                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1371         }
1372 }
1373
1374 void
1375 ProcessorEntry::RoutingIcon::expose_input_map (cairo_t* cr, const double width, const double height)
1376 {
1377         const uint32_t n_in = _in.n_total();
1378         const uint32_t n_in_midi = _in.n_midi();
1379         const uint32_t pc_in = _sinks.n_total();
1380         const uint32_t pc_in_midi = _sinks.n_midi();
1381
1382         // draw inputs to this
1383         for (uint32_t i = 0; i < pc_in; ++i) {
1384                 const bool is_midi = i < pc_in_midi;
1385                 bool valid_in;
1386                 uint32_t pn = is_midi ? i : i - pc_in_midi;
1387                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1388                 uint32_t idx = _in_map.get (dt, pn, &valid_in);
1389                 // check if it's fed
1390                 bool valid_src = true;
1391                 if (valid_in && idx < _in.get (dt) && _fed_by) {
1392                         bool valid_out;
1393                         bool valid_thru;
1394                         _f_out_map.get_src (dt, idx, &valid_out);
1395                         _f_thru_map.get (dt, idx, &valid_thru);
1396                         if (!valid_out && !valid_thru) {
1397                                 valid_src = false;
1398                         }
1399                 }
1400                 if (!valid_in || !valid_src) {
1401                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1402                         draw_gnd (cr, x, 0, height, is_midi);
1403                         continue;
1404                 }
1405                 if (idx >= _in.get (dt)) {
1406                         // side-chain, probably
1407                         double x = pin_x_pos (i, width, pc_in, 0, is_midi);
1408                         draw_sidechain (cr, x, 0, height, is_midi);
1409                         continue;
1410                 }
1411                 double c_x1 = pin_x_pos (i, width, pc_in, 0, false);
1412                 double c_x0 = pin_x_pos (idx, width, n_in, n_in_midi, is_midi);
1413                 draw_connection (cr, c_x0, c_x1, 0, height, is_midi);
1414         }
1415
1416         // draw reverse thru
1417         for (uint32_t i = 0; i < n_in; ++i) {
1418                 const bool is_midi = i < n_in_midi;
1419                 bool valid_thru;
1420                 uint32_t pn = is_midi ? i : i - n_in_midi;
1421                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1422                 _thru_map.get_src (dt, pn, &valid_thru);
1423                 if (!valid_thru) {
1424                         continue;
1425                 }
1426                 double x = pin_x_pos (i, width, n_in, 0, is_midi);
1427                 draw_thru_sink (cr, x, 0, height, is_midi);
1428         }
1429 }
1430
1431 void
1432 ProcessorEntry::RoutingIcon::expose_output_map (cairo_t* cr, const double width, const double height)
1433 {
1434         int dh = std::max (4.f, rintf(4.f * UIConfiguration::instance().get_ui_scale()));
1435         double ht = _terminal ? height - dh : height;
1436
1437         // draw outputs of this
1438         const uint32_t pc_out = _sources.n_total();
1439         const uint32_t pc_out_midi = _sources.n_midi();
1440         const uint32_t n_out = _out.n_total();
1441         const uint32_t n_out_midi = _out.n_midi();
1442
1443         for (uint32_t i = 0; i < pc_out; ++i) {
1444                 const bool is_midi = i < pc_out_midi;
1445                 bool valid_out;
1446                 uint32_t pn = is_midi ? i : i - pc_out_midi;
1447                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1448                 uint32_t idx = _out_map.get (dt, pn, &valid_out);
1449                 if (!valid_out) {
1450                         continue;
1451                 }
1452                 // skip connections that are not used in the next's input
1453                 if (_feeding) {
1454                         bool valid_thru, valid_sink;
1455                         _i_in_map.get_src (dt, idx, &valid_sink);
1456                         _i_thru_map.get_src (dt, idx, &valid_thru);
1457                         if (!valid_thru && !valid_sink) {
1458                                 if (!is_midi || i != 0) { // special case midi-bypass
1459                                         continue;
1460                                 }
1461                         }
1462                 }
1463                 double c_x0 = pin_x_pos (i, width, pc_out, 0, false);
1464                 double c_x1 = pin_x_pos (idx, width, n_out, n_out_midi, is_midi);
1465                 draw_connection (cr, c_x0, c_x1, 0, ht, is_midi);
1466         }
1467
1468         for (uint32_t i = 0; i < n_out; ++i) {
1469                 const bool is_midi = i < n_out_midi;
1470                 uint32_t pn = is_midi ? i : i - n_out_midi;
1471                 DataType dt = is_midi ? DataType::MIDI : DataType::AUDIO;
1472                 double x = pin_x_pos (i, width, n_out, 0, is_midi);
1473
1474                 if (!_terminal) {
1475                         bool valid_thru_f = false;
1476                         // skip connections that are not used in the next's input
1477                         if (_feeding) {
1478                                 bool valid_sink;
1479                                 _i_in_map.get_src (dt, pn, &valid_sink);
1480                                 _i_thru_map.get_src (dt, pn, &valid_thru_f);
1481                                 if (!valid_thru_f && !valid_sink) {
1482                                         if (!is_midi || i != 0) { // special case midi-bypass
1483                                                 continue;
1484                                         }
1485                                 }
1486                         }
1487
1488                         bool valid_src;
1489                         _out_map.get_src (dt, pn, &valid_src);
1490                         if (!valid_src) {
1491                                 bool valid_thru;
1492                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1493                                 if (valid_thru) {
1494                                         if (idx >= _in.get (dt)) {
1495                                                 draw_sidechain (cr, x, 0, height, is_midi);
1496                                         } else {
1497                                                 draw_thru_src (cr, x, 0, height, is_midi);
1498                                         }
1499                                 } else if (valid_thru_f){
1500                                         // gnd is part of input, unless it's a thru input
1501                                         // (also only true if !coalesced into one small display)
1502                                         draw_gnd (cr, x, 0, height, is_midi);
1503                                 }
1504                         }
1505                 } else {
1506                         // terminal node, add arrows
1507                         bool valid_src;
1508                         _out_map.get_src (dt, pn, &valid_src);
1509                         if (!valid_src) {
1510                                 bool valid_thru;
1511                                 uint32_t idx = _thru_map.get (dt, pn, &valid_thru);
1512                                 if (valid_thru) {
1513                                         if (idx >= _in.get (dt)) {
1514                                                 draw_sidechain (cr, x, 0, height - dh, is_midi);
1515                                         } else {
1516                                                 draw_thru_src (cr, x, 0, height - dh, is_midi);
1517                                         }
1518                                 } else {
1519                                         draw_gnd (cr, x, 0, height - dh, is_midi);
1520                                 }
1521                         }
1522
1523                         set_routing_color (cr, is_midi);
1524                         cairo_set_line_width (cr, 1.0);
1525                         cairo_move_to (cr, x, height - dh);
1526                         cairo_line_to (cr, x, height - 2);
1527                         cairo_stroke (cr);
1528
1529                         const double ar = dh - 1;
1530                         cairo_move_to (cr, x - ar, height - ar);
1531                         cairo_line_to (cr, x     , height - .5);
1532                         cairo_line_to (cr, x + ar, height - ar);
1533                         cairo_line_to (cr, x     , height - ar * .5);
1534                         cairo_close_path (cr);
1535                         cairo_fill_preserve (cr);
1536                         cairo_stroke (cr);
1537                 }
1538         }
1539 }
1540
1541 ProcessorEntry::PluginDisplay::PluginDisplay (ProcessorEntry& e, boost::shared_ptr<ARDOUR::Plugin> p, uint32_t max_height)
1542         : _entry (e)
1543         , _plug (p)
1544         , _surf (0)
1545         , _max_height (max_height)
1546         , _cur_height (1)
1547         , _scroll (false)
1548 {
1549         set_name ("processor prefader");
1550         add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
1551         _plug->DropReferences.connect (_death_connection, invalidator (*this), boost::bind (&PluginDisplay::plugin_going_away, this), gui_context());
1552         _plug->QueueDraw.connect (_qdraw_connection, invalidator (*this),
1553                         boost::bind (&Gtk::Widget::queue_draw, this), gui_context ());
1554
1555         std::string postfix = string_compose(_("\n%1+double-click to toggle inline-display"), Keyboard::tertiary_modifier_name ());
1556
1557         if (_plug->has_editor()) {
1558                 ARDOUR_UI_UTILS::set_tooltip (*this,
1559                                 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));
1560         } else {
1561                 ARDOUR_UI_UTILS::set_tooltip (*this,
1562                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), e.name (Wide), postfix));
1563         }
1564 }
1565
1566 ProcessorEntry::PluginDisplay::~PluginDisplay ()
1567 {
1568         if (_surf) {
1569                 cairo_surface_destroy (_surf);
1570         }
1571 }
1572
1573 bool
1574 ProcessorEntry::PluginDisplay::on_button_press_event (GdkEventButton *ev)
1575 {
1576         assert (_entry.processor ());
1577
1578         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_entry.processor());
1579         // duplicated code :(
1580         // consider some tweaks to pass this up to the DnDVBox somehow:
1581         // select processor, then call (private)
1582         //_entry._parent->processor_button_press_event (ev, &_entry);
1583         if (pi && pi->plugin() && pi->plugin()->has_inline_display()
1584                         && Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)
1585                         && ev->button == 1
1586                         && ev->type == GDK_2BUTTON_PRESS) {
1587                 _entry.toggle_inline_display_visibility ();
1588                 return true;
1589         }
1590         else if (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS)) {
1591                 if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
1592                         _entry._parent->generic_edit_processor (_entry.processor ());
1593                 } else {
1594                         _entry._parent->edit_processor (_entry.processor ());
1595                 }
1596                 return true;
1597         }
1598         return false;
1599 }
1600
1601 bool
1602 ProcessorEntry::PluginDisplay::on_button_release_event (GdkEventButton *ev)
1603 {
1604         return false;
1605 }
1606
1607 void
1608 ProcessorEntry::PluginDisplay::on_size_request (Requisition* req)
1609 {
1610         req->width = 56;
1611         req->height = _cur_height;
1612 }
1613
1614
1615 void
1616 ProcessorEntry::PluginDisplay::update_height_alloc (uint32_t inline_height)
1617 {
1618         /* work-around scroll-bar + aspect ratio
1619          * show inline-view -> height changes -> scrollbar gets added
1620          * -> width changes -> inline-view, fixed aspect ratio -> height changes
1621          * -> scroll bar is removed [-> width changes ; repeat ]
1622          */
1623         uint32_t shm = std::min (_max_height, inline_height);
1624         bool sc = false;
1625         Gtk::Container* pr = get_parent();
1626         for (uint32_t i = 0; i < 4 && pr; ++i) {
1627                 // VBox, EventBox, ViewPort, ScrolledWindow
1628                 pr = pr->get_parent();
1629         }
1630         Gtk::ScrolledWindow* sw = dynamic_cast<Gtk::ScrolledWindow*> (pr);
1631         if (sw) {
1632                 const Gtk::VScrollbar* vsb = sw->get_vscrollbar();
1633                 sc = vsb && vsb->is_visible();
1634         }
1635
1636         if (shm != _cur_height) {
1637                 if (_scroll == sc || _cur_height < shm) {
1638                         queue_resize ();
1639                 }
1640                 _cur_height = shm;
1641         }
1642         _scroll = sc;
1643 }
1644
1645 uint32_t
1646 ProcessorEntry::PluginDisplay::render_inline (cairo_t* cr, uint32_t width)
1647 {
1648         Plugin::Display_Image_Surface* dis = _plug->render_inline_display (width, _max_height);
1649         if (!dis) {
1650                 return 0;
1651         }
1652
1653         /* allocate a local image-surface,
1654          * We cannot re-use the data via cairo_image_surface_create_for_data(),
1655          * since pixman keeps a reference to it.
1656          * we'd need to hand over the data and ha cairo_surface_destroy to free it.
1657          * it might be possible to work around via cairo_surface_set_user_data().
1658          */
1659         if (!_surf
1660                         || dis->width !=  cairo_image_surface_get_width (_surf)
1661                         || dis->height !=  cairo_image_surface_get_height (_surf)
1662                  ) {
1663                 if (_surf) {
1664                         cairo_surface_destroy (_surf);
1665                 }
1666                 _surf = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, dis->width, dis->height);
1667         }
1668
1669         if (cairo_image_surface_get_stride (_surf) == dis->stride) {
1670                 memcpy (cairo_image_surface_get_data (_surf), dis->data, dis->stride * dis->height);
1671         } else {
1672                 unsigned char *src = dis->data;
1673                 unsigned char *dst = cairo_image_surface_get_data (_surf);
1674                 const int dst_stride =  cairo_image_surface_get_stride (_surf);
1675                 for (int y = 0; y < dis->height; ++y) {
1676                         memcpy (dst, src, dis->width * 4 /*ARGB32*/);
1677                         src += dis->stride;
1678                         dst += dst_stride;
1679                 }
1680         }
1681
1682         cairo_surface_flush(_surf);
1683         cairo_surface_mark_dirty(_surf);
1684         const double xc = floor ((width - dis->width) * .5);
1685         cairo_set_source_surface(cr, _surf, xc, 0);
1686         cairo_paint (cr);
1687
1688         return dis->height;
1689 }
1690
1691 bool
1692 ProcessorEntry::PluginDisplay::on_expose_event (GdkEventExpose* ev)
1693 {
1694         Gtk::Allocation a = get_allocation();
1695         double const width = a.get_width();
1696         double const height = a.get_height();
1697
1698         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
1699         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
1700         cairo_clip (cr);
1701
1702         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
1703         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
1704         cairo_rectangle (cr, 0, 0, width, height);
1705         cairo_fill (cr);
1706
1707         cairo_save (cr);
1708         cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
1709         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1710         cairo_clip (cr);
1711         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1712
1713         uint32_t ht = render_inline (cr, width);
1714         cairo_restore (cr);
1715
1716         if (ht == 0) {
1717                 hide ();
1718                 if (_cur_height != 1) {
1719                         _cur_height = 1;
1720                         queue_resize ();
1721                 }
1722                 cairo_destroy (cr);
1723                 return true;
1724         } else {
1725                 update_height_alloc (ht);
1726         }
1727
1728         bool failed = false;
1729         std::string name = get_name();
1730         ArdourCanvas::Color fill_color = UIConfiguration::instance().color (string_compose ("%1: fill active", name), &failed);
1731
1732         Gtkmm2ext::rounded_rectangle (cr, .5, -1.5, width - 1, height + 1, 7);
1733         cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
1734         cairo_set_line_width(cr, 1.0);
1735         ArdourCanvas::set_source_rgb_a (cr, fill_color, 1.0);
1736         cairo_stroke (cr);
1737
1738         cairo_destroy(cr);
1739         return true;
1740 }
1741
1742 ProcessorEntry::LuaPluginDisplay::LuaPluginDisplay (ProcessorEntry& e, boost::shared_ptr<ARDOUR::LuaProc> p, uint32_t max_height)
1743         : PluginDisplay (e, p, max_height)
1744         , _luaproc (p)
1745         , _lua_render_inline (0)
1746 {
1747         p->setup_lua_inline_gui (&lua_gui);
1748
1749         lua_State* LG = lua_gui.getState ();
1750         LuaInstance::bind_cairo (LG);
1751         luabridge::LuaRef lua_render = luabridge::getGlobal (LG, "render_inline");
1752         assert (lua_render.isFunction ());
1753         _lua_render_inline = new luabridge::LuaRef (lua_render);
1754 }
1755
1756 ProcessorEntry::LuaPluginDisplay::~LuaPluginDisplay ()
1757 {
1758         delete (_lua_render_inline);
1759 }
1760
1761 uint32_t
1762 ProcessorEntry::LuaPluginDisplay::render_inline (cairo_t *cr, uint32_t width)
1763 {
1764         Cairo::Context ctx (cr);
1765         try {
1766                 luabridge::LuaRef rv = (*_lua_render_inline)((Cairo::Context *)&ctx, width, _max_height);
1767                 lua_gui.collect_garbage_step ();
1768                 if (rv.isTable ()) {
1769                         uint32_t h = rv[2];
1770                         return h;
1771                 }
1772         } catch (luabridge::LuaException const& e) {
1773 #ifndef NDEBUG
1774                 cerr << "LuaException:" << e.what () << endl;
1775 #endif
1776         }
1777         return 0;
1778 }
1779
1780
1781 static std::list<Gtk::TargetEntry> drop_targets()
1782 {
1783         std::list<Gtk::TargetEntry> tmp;
1784         tmp.push_back (Gtk::TargetEntry ("processor")); // from processor-box to processor-box
1785         tmp.push_back (Gtk::TargetEntry ("PluginInfoPtr")); // from plugin-manager
1786         tmp.push_back (Gtk::TargetEntry ("PluginFavoritePtr")); // from sidebar
1787         return tmp;
1788 }
1789
1790 static std::list<Gtk::TargetEntry> drag_targets()
1791 {
1792         std::list<Gtk::TargetEntry> tmp;
1793         tmp.push_back (Gtk::TargetEntry ("PluginPresetPtr")); // to sidebar (optional preset)
1794         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor-box (copy)
1795         return tmp;
1796 }
1797
1798 static std::list<Gtk::TargetEntry> drag_targets_noplugin()
1799 {
1800         std::list<Gtk::TargetEntry> tmp;
1801         tmp.push_back (Gtk::TargetEntry ("processor")); // to processor box (sends, faders re-order)
1802         return tmp;
1803 }
1804
1805 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1806                             ProcessorSelection& psel, MixerStrip* parent, bool owner_is_mixer)
1807         : _parent_strip (parent)
1808         , _owner_is_mixer (owner_is_mixer)
1809         , ab_direction (true)
1810         , _get_plugin_selector (get_plugin_selector)
1811         , _placement (-1)
1812         , _p_selection(psel)
1813         , processor_display (drop_targets())
1814         , _redisplay_pending (false)
1815 {
1816         set_session (sess);
1817
1818         /* ProcessorBox actions and bindings created statically by call to
1819          * ProcessorBox::register_actions(), made by ARDOUR_UI so that actions
1820          * are available for context menus.
1821          */
1822
1823         processor_display.set_data ("ardour-bindings", bindings);
1824
1825         _width = Wide;
1826         processor_menu = 0;
1827         no_processor_redisplay = false;
1828
1829         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1830         processor_scroller.add (processor_display);
1831         pack_start (processor_scroller, true, true);
1832
1833         processor_display.set_flags (CAN_FOCUS);
1834         processor_display.set_name ("ProcessorList");
1835         processor_display.set_data ("processorbox", this);
1836         processor_display.set_size_request (48, -1);
1837         processor_display.set_spacing (0);
1838
1839         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1840         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1841
1842         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1843         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1844
1845         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1846         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1847         processor_display.DropFromExternal.connect (sigc::mem_fun (*this, &ProcessorBox::plugin_drop));
1848
1849         processor_scroller.show ();
1850         processor_display.show ();
1851
1852         if (parent) {
1853                 parent->DeliveryChanged.connect (
1854                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1855                         );
1856         }
1857
1858         ARDOUR_UI_UTILS::set_tooltip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1859 }
1860
1861 ProcessorBox::~ProcessorBox ()
1862 {
1863         /* it may appear as if we should delete processor_menu but that is a
1864          * pointer to a widget owned by the UI Manager, and has potentially
1865          * be returned to many other ProcessorBoxes. GTK doesn't really make
1866          * clear the ownership of this widget, which is a menu and thus is
1867          * never packed into any container other than an implict GtkWindow.
1868          *
1869          * For now, until or if we ever get clarification over the ownership
1870          * story just let it continue to exist. At worst, its a small memory leak.
1871          */
1872 }
1873
1874 void
1875 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1876 {
1877         if (_route == r) {
1878                 return;
1879         }
1880
1881         _route_connections.drop_connections();
1882
1883         /* new route: any existing block on processor redisplay must be meaningless */
1884         no_processor_redisplay = false;
1885         _route = r;
1886
1887         _route->processors_changed.connect (
1888                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1889                 );
1890
1891         _route->DropReferences.connect (
1892                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1893                 );
1894
1895         _route->PropertyChanged.connect (
1896                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1897                 );
1898
1899         redisplay_processors ();
1900 }
1901
1902 void
1903 ProcessorBox::route_going_away ()
1904 {
1905         /* don't keep updating display as processors are deleted */
1906         no_processor_redisplay = true;
1907         _route.reset ();
1908 }
1909
1910 boost::shared_ptr<Processor>
1911 ProcessorBox::find_drop_position (ProcessorEntry* position)
1912 {
1913         boost::shared_ptr<Processor> p;
1914         if (position) {
1915                 p = position->processor ();
1916                 if (!p) {
1917                         /* dropped on the blank entry (which will be before the
1918                                  fader), so use the first non-blank child as our
1919                                  `dropped on' processor */
1920                         list<ProcessorEntry*> c = processor_display.children ();
1921                         list<ProcessorEntry*>::iterator i = c.begin ();
1922
1923                         assert (i != c.end ());
1924                         p = (*i)->processor ();
1925                         assert (p);
1926                 }
1927         }
1928         return p;
1929 }
1930
1931 void
1932 ProcessorBox::_drop_plugin_preset (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1933 {
1934                 const void * d = data.get_data();
1935                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginPresetPtr>*>(d);
1936
1937                 PluginPresetList nfos;
1938                 TreeView* source;
1939                 tv->get_object_drag_data (nfos, &source);
1940
1941                 for (list<PluginPresetPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1942                         PluginPresetPtr ppp = (*i);
1943                         PluginInfoPtr pip = ppp->_pip;
1944                         PluginPtr p = pip->load (*_session);
1945                         if (!p) {
1946                                 continue;
1947                         }
1948
1949                         if (ppp->_preset.valid) {
1950                                 p->load_preset (ppp->_preset);
1951                         }
1952
1953                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1954                         if (Config->get_new_plugins_active ()) {
1955                                 processor->enable (true);
1956                         }
1957                         pl.push_back (processor);
1958                 }
1959 }
1960
1961 void
1962 ProcessorBox::_drop_plugin (Gtk::SelectionData const &data, Route::ProcessorList &pl)
1963 {
1964                 const void * d = data.get_data();
1965                 const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>* tv = reinterpret_cast<const Gtkmm2ext::DnDTreeView<ARDOUR::PluginInfoPtr>*>(d);
1966                 PluginInfoList nfos;
1967
1968                 TreeView* source;
1969                 tv->get_object_drag_data (nfos, &source);
1970
1971                 for (list<PluginInfoPtr>::const_iterator i = nfos.begin(); i != nfos.end(); ++i) {
1972                         PluginPtr p = (*i)->load (*_session);
1973                         if (!p) {
1974                                 continue;
1975                         }
1976                         boost::shared_ptr<Processor> processor (new PluginInsert (*_session, p));
1977                         if (Config->get_new_plugins_active ()) {
1978                                 processor->enable (true);
1979                         }
1980                         pl.push_back (processor);
1981                 }
1982 }
1983
1984 void
1985 ProcessorBox::plugin_drop (Gtk::SelectionData const &data, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1986 {
1987         if (!_session) {
1988                 return;
1989         }
1990
1991         boost::shared_ptr<Processor> p = find_drop_position (position);
1992         Route::ProcessorList pl;
1993
1994         if (data.get_target() == "PluginInfoPtr") {
1995                 _drop_plugin (data, pl);
1996         }
1997         else if (data.get_target() == "PluginFavoritePtr") {
1998                 _drop_plugin_preset (data, pl);
1999         }
2000         else {
2001                 return;
2002         }
2003
2004         Route::ProcessorStreams err;
2005         if (_route->add_processors (pl, p, &err)) {
2006                 string msg = _(
2007                                 "Processor Drag/Drop failed. Probably because\n\
2008 the I/O configuration of the plugins could\n\
2009 not match the configuration of this track.");
2010                 MessageDialog am (msg);
2011                 am.run ();
2012         }
2013 }
2014
2015 void
2016 ProcessorBox::object_drop (DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
2017 {
2018         if (Gdk::ACTION_LINK == context->get_selected_action()) {
2019                 list<ProcessorEntry*> children = source->selection ();
2020                 assert (children.size() == 1);
2021                 ProcessorEntry* other = *children.begin();
2022                 assert (other->can_copy_state (position));
2023                 boost::shared_ptr<ARDOUR::Processor> otherproc = other->processor();
2024                 boost::shared_ptr<ARDOUR::Processor> proc = position->processor();
2025                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (proc);
2026                 assert (otherproc && proc && pi);
2027
2028                 PBD::ID id = pi->id();
2029                 XMLNode& state = otherproc->get_state ();
2030                 /* strip side-chain state (processor inside processor must be a side-chain)
2031                  * otherwise we'll end up with duplicate ports-names.
2032                  * (this needs a better solution which retains connections)
2033                  */
2034                 state.remove_nodes ("Processor");
2035                 proc->set_state (state, Stateful::loading_state_version);
2036                 boost::dynamic_pointer_cast<PluginInsert>(proc)->update_id (id);
2037                 return;
2038         }
2039
2040         boost::shared_ptr<Processor> p = find_drop_position (position);
2041
2042         list<ProcessorEntry*> children = source->selection (true);
2043         list<boost::shared_ptr<Processor> > procs;
2044         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2045                 if ((*i)->processor ()) {
2046                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
2047                                 continue;
2048                         }
2049                         procs.push_back ((*i)->processor ());
2050                 }
2051         }
2052
2053         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
2054                 XMLNode& state = (*i)->get_state ();
2055                 XMLNodeList nlist;
2056                 nlist.push_back (&state);
2057                 paste_processor_state (nlist, p);
2058                 delete &state;
2059         }
2060
2061         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
2062            ourselves.
2063         */
2064
2065         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
2066                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
2067                 if (other) {
2068                         other->delete_dragged_processors (procs);
2069                 }
2070         }
2071 }
2072
2073 void
2074 ProcessorBox::set_width (Width w)
2075 {
2076         if (_width == w) {
2077                 return;
2078         }
2079
2080         _width = w;
2081
2082         list<ProcessorEntry*> children = processor_display.children ();
2083         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2084                 (*i)->set_enum_width (w);
2085         }
2086
2087         queue_resize ();
2088 }
2089
2090 Gtk::Menu*
2091 ProcessorBox::build_possible_aux_menu ()
2092 {
2093         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
2094
2095         if (rl->empty()) {
2096                 /* No aux sends if there are no busses */
2097                 return 0;
2098         }
2099
2100         if (_route->is_monitor ()) {
2101                 return 0;
2102         }
2103
2104         using namespace Menu_Helpers;
2105         Menu* menu = manage (new Menu);
2106         MenuList& items = menu->items();
2107
2108         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
2109                 if (!_route->internal_send_for (*r) && *r != _route) {
2110                         items.push_back (MenuElemNoMnemonic ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
2111                 }
2112         }
2113
2114         return menu;
2115 }
2116
2117 void
2118 ProcessorBox::show_processor_menu (int arg)
2119 {
2120         if (processor_menu == 0) {
2121                 processor_menu = build_processor_menu ();
2122                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
2123         }
2124
2125         /* Sort out the plugin submenu */
2126
2127         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
2128
2129         if (plugin_menu_item) {
2130                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
2131         }
2132
2133         /* And the aux submenu */
2134
2135         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
2136
2137         if (aux_menu_item) {
2138                 Menu* m = build_possible_aux_menu();
2139                 if (m && !m->items().empty()) {
2140                         aux_menu_item->set_submenu (*m);
2141                         aux_menu_item->set_sensitive (true);
2142                 } else {
2143                         /* stupid gtkmm: we need to pass a null reference here */
2144                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
2145                         aux_menu_item->set_sensitive (false);
2146                 }
2147         }
2148
2149         ActionManager::get_action (X_("ProcessorMenu"), "newinsert")->set_sensitive (!_route->is_monitor ());
2150         ActionManager::get_action (X_("ProcessorMenu"), "newsend")->set_sensitive (!_route->is_monitor ());
2151
2152         ProcessorEntry* single_selection = 0;
2153         if (processor_display.selection().size() == 1) {
2154                 single_selection = processor_display.selection().front();
2155         }
2156
2157         /* And the controls submenu */
2158
2159         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
2160
2161         if (controls_menu_item) {
2162                 if (single_selection) {
2163                         Menu* m = single_selection->build_controls_menu ();
2164                         if (m && !m->items().empty()) {
2165                                 controls_menu_item->set_submenu (*m);
2166                                 controls_menu_item->set_sensitive (true);
2167                         } else {
2168                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
2169                                 controls_menu_item->set_sensitive (false);
2170                         }
2171                 } else {
2172                         controls_menu_item->set_sensitive (false);
2173                 }
2174         }
2175
2176
2177         Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
2178         if (send_menu_item) {
2179                 if (single_selection && !_route->is_monitor()) {
2180                         Menu* m = single_selection->build_send_options_menu ();
2181                         if (m && !m->items().empty()) {
2182                                 send_menu_item->set_submenu (*m);
2183                                 send_menu_item->set_sensitive (true);
2184                         } else {
2185                                 gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
2186                                 send_menu_item->set_sensitive (false);
2187                         }
2188                 } else {
2189                         send_menu_item->set_sensitive (false);
2190                 }
2191         }
2192
2193         /* Sensitise actions as approprioate */
2194
2195
2196         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
2197
2198         paste_action->set_sensitive (!_p_selection.processors.empty());
2199         cut_action->set_sensitive (sensitive && can_cut ());
2200         copy_action->set_sensitive (sensitive);
2201         delete_action->set_sensitive (sensitive || stub_processor_selected ());
2202         backspace_action->set_sensitive (sensitive || stub_processor_selected ());
2203
2204         edit_action->set_sensitive (one_processor_can_be_edited ());
2205         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
2206
2207         boost::shared_ptr<PluginInsert> pi;
2208         if (single_selection) {
2209                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
2210         }
2211
2212         manage_pins_action->set_sensitive (pi != 0);
2213
2214         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
2215         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
2216
2217         /* disallow rename for multiple selections, for plugin inserts and for the fader */
2218         rename_action->set_sensitive (single_selection
2219                         && !pi
2220                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
2221                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
2222
2223         processor_menu->popup (1, arg);
2224
2225         /* Add a placeholder gap to the processor list to indicate where a processor would be
2226            inserted were one chosen from the menu.
2227         */
2228         int x, y;
2229         processor_display.get_pointer (x, y);
2230         _placement = processor_display.add_placeholder (y);
2231 }
2232
2233 bool
2234 ProcessorBox::enter_notify (GdkEventCrossing*)
2235 {
2236         processor_display.grab_focus ();
2237         _current_processor_box = this;
2238         return false;
2239 }
2240
2241 bool
2242 ProcessorBox::leave_notify (GdkEventCrossing* ev)
2243 {
2244         if (ev->detail == GDK_NOTIFY_INFERIOR) {
2245                 return false;
2246         }
2247
2248         Widget* top = get_toplevel();
2249
2250         if (top->is_toplevel()) {
2251                 Window* win = dynamic_cast<Window*> (top);
2252                 gtk_window_set_focus (win->gobj(), 0);
2253         }
2254
2255         return false;
2256 }
2257
2258 bool
2259 ProcessorBox::processor_operation (ProcessorOperation op)
2260 {
2261         ProcSelection targets;
2262
2263         get_selected_processors (targets);
2264
2265 /*      if (targets.empty()) {
2266
2267                 int x, y;
2268                 processor_display.get_pointer (x, y);
2269
2270                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
2271
2272                 if (pointer.first && pointer.first->processor()) {
2273                         targets.push_back (pointer.first->processor ());
2274                 }
2275         }
2276 */
2277
2278         if ((op == ProcessorsDelete) && targets.empty()) {
2279                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
2280         }
2281
2282         switch (op) {
2283         case ProcessorsSelectAll:
2284                 processor_display.select_all ();
2285                 break;
2286
2287         case ProcessorsSelectNone:
2288                 processor_display.select_none ();
2289                 break;
2290
2291         case ProcessorsCopy:
2292                 copy_processors (targets);
2293                 break;
2294
2295         case ProcessorsCut:
2296                 cut_processors (targets);
2297                 break;
2298
2299         case ProcessorsPaste:
2300                 // some processors are not selectable (e.g fader, meter), target is empty.
2301                 if (targets.empty() && _placement >= 0) {
2302                         assert (_route);
2303                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
2304                         if (proc) {
2305                                 targets.push_back (proc);
2306                         }
2307                 }
2308                 if (targets.empty()) {
2309                         paste_processors ();
2310                 } else {
2311                         paste_processors (targets.front());
2312                 }
2313                 break;
2314
2315         case ProcessorsDelete:
2316                 delete_processors (targets);
2317                 break;
2318
2319         case ProcessorsToggleActive:
2320                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
2321                         if (!(*i)->display_to_user ()) {
2322                                 assert (0); // these should not be selectable to begin with.
2323                                 continue;
2324                         }
2325                         if (!boost::dynamic_pointer_cast<PluginInsert> (*i)) {
2326                                 continue;
2327                         }
2328 #ifdef MIXBUS
2329                         if (boost::dynamic_pointer_cast<PluginInsert> (*i)->is_channelstrip()) {
2330                                 continue;
2331                         }
2332 #endif
2333                         (*i)->enable (!(*i)->enabled ());
2334                 }
2335                 break;
2336
2337         case ProcessorsAB:
2338                 ab_plugins ();
2339                 break;
2340
2341         default:
2342                 break;
2343         }
2344
2345         return true;
2346 }
2347
2348 ProcessorWindowProxy*
2349 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
2350 {
2351         return  processor->window_proxy();
2352 }
2353
2354
2355 bool
2356 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
2357 {
2358         boost::shared_ptr<Processor> processor;
2359         if (child) {
2360                 processor = child->processor ();
2361         }
2362
2363         int ret = false;
2364         bool selected = processor_display.selected (child);
2365
2366         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (processor);
2367         if (pi && pi->plugin() && pi->plugin()->has_inline_display()
2368                         && Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)
2369                         && ev->button == 1
2370                         && ev->type == GDK_2BUTTON_PRESS) {
2371                 child->toggle_inline_display_visibility ();
2372                 return true;
2373         }
2374
2375         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
2376
2377                 if (_session->engine().connected()) {
2378                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
2379
2380                         if (!one_processor_can_be_edited ()) {
2381                                 return true;
2382                         }
2383
2384                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
2385                                 generic_edit_processor (processor);
2386                         } else {
2387                                 edit_processor (processor);
2388                         }
2389                 }
2390
2391                 ret = true;
2392
2393         } else if (Keyboard::is_context_menu_event (ev)) {
2394
2395                 show_processor_menu (ev->time);
2396
2397                 ret = true;
2398
2399         } else if (processor && ev->button == 1 && selected) {
2400
2401                 // this is purely informational but necessary for route params UI
2402                 ProcessorSelected (processor); // emit
2403
2404         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
2405
2406                 choose_plugin ();
2407                 _get_plugin_selector()->show_manager ();
2408         }
2409
2410         return ret;
2411 }
2412
2413 bool
2414 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
2415 {
2416         boost::shared_ptr<Processor> processor;
2417         if (child) {
2418                 processor = child->processor ();
2419         }
2420
2421         if (processor && Keyboard::is_delete_event (ev)) {
2422
2423                 Glib::signal_idle().connect (sigc::bind (
2424                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
2425                                 boost::weak_ptr<Processor>(processor)));
2426
2427         } else if (processor && Keyboard::is_button2_event (ev)
2428 #ifndef __APPLE__
2429                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
2430 #endif
2431                 ) {
2432
2433                 /* button2-click with no/appropriate modifiers */
2434                 processor->enable (!processor->enabled ());
2435         }
2436
2437         return false;
2438 }
2439
2440 Menu *
2441 ProcessorBox::build_processor_menu ()
2442 {
2443         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
2444         processor_menu->set_name ("ArdourContextMenu");
2445         return processor_menu;
2446 }
2447
2448 void
2449 ProcessorBox::select_all_processors ()
2450 {
2451         processor_display.select_all ();
2452 }
2453
2454 void
2455 ProcessorBox::deselect_all_processors ()
2456 {
2457         processor_display.select_none ();
2458 }
2459
2460 void
2461 ProcessorBox::choose_plugin ()
2462 {
2463         _get_plugin_selector()->set_interested_object (*this);
2464 }
2465
2466 /** @return true if an error occurred, otherwise false */
2467 bool
2468 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
2469 {
2470         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
2471
2472                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
2473
2474                 Route::ProcessorStreams err_streams;
2475
2476                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
2477                         weird_plugin_dialog (**p, err_streams);
2478                         return true;
2479                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
2480                 } else if (plugins.size() == 1 && UIConfiguration::instance().get_open_gui_after_adding_plugin()) {
2481                         if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->has_inline_display() && UIConfiguration::instance().get_prefer_inline_over_gui()) {
2482                                 ;
2483                         } else if (_session->engine().connected () && processor_can_be_edited (processor)) {
2484                                 if ((*p)->has_editor ()) {
2485                                         edit_processor (processor);
2486                                 } else if (boost::dynamic_pointer_cast<PluginInsert>(processor)->plugin()->parameter_count() > 0) {
2487                                         generic_edit_processor (processor);
2488                                 }
2489                         }
2490                 }
2491                 /* add next processor below the currently added.
2492                  * Note: placement < 0: add the bottom */
2493                 if (_placement >= 0) {
2494                         ++_placement;
2495                 }
2496         }
2497
2498         return false;
2499 }
2500
2501 void
2502 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
2503 {
2504         /* XXX this needs to be re-worked!
2505          *
2506          * With new pin-management "streams" is no longer correct.
2507          * p.get_info () is also incorrect for variable i/o plugins (always -1,-1).
2508          *
2509          * Since pin-management was added, this dialog will only show in a very rare
2510          * condition (non-replicated variable i/o configuration failed).
2511          *
2512          * TODO: simplify the message after the string-freeze is lifted.
2513          */
2514         ArdourDialog dialog (_("Plugin Incompatibility"));
2515         Label label;
2516
2517         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
2518                         p.name(), streams.index);
2519
2520         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
2521         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
2522
2523         text += _("\nThis plugin has:\n");
2524         if (has_midi) {
2525                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
2526                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
2527         }
2528         if (has_audio) {
2529                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
2530                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
2531         }
2532
2533         text += _("\nbut at the insertion point, there are:\n");
2534         if (has_midi) {
2535                 uint32_t const n = streams.count.n_midi ();
2536                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
2537         }
2538         if (has_audio) {
2539                 uint32_t const n = streams.count.n_audio ();
2540                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
2541         }
2542
2543         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
2544         label.set_text(text);
2545
2546         dialog.get_vbox()->pack_start (label);
2547         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
2548
2549         dialog.set_name (X_("PluginIODialog"));
2550         dialog.set_modal (true);
2551         dialog.show_all ();
2552
2553         dialog.run ();
2554 }
2555
2556 void
2557 ProcessorBox::choose_insert ()
2558 {
2559         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
2560         _route->add_processor_by_index (processor, _placement);
2561 }
2562
2563 /* Caller must not hold process lock */
2564 void
2565 ProcessorBox::choose_send ()
2566 {
2567         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable (), _route->mute_master()));
2568
2569         /* make an educated guess at the initial number of outputs for the send */
2570         ChanCount outs = (_route->n_outputs().n_audio() && _session->master_out())
2571                         ? _session->master_out()->n_outputs()
2572                         : _route->n_outputs();
2573
2574         /* XXX need processor lock on route */
2575         try {
2576                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
2577                 send->output()->ensure_io (outs, false, this);
2578         } catch (AudioEngine::PortRegistrationFailure& err) {
2579                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
2580                 return;
2581         }
2582
2583         /* let the user adjust the IO setup before creation.
2584
2585            Note: this dialog is NOT modal - we just leave it to run and it will
2586            return when its Finished signal is emitted - typically when the window
2587            is closed.
2588          */
2589
2590         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
2591         ios->show ();
2592
2593         /* keep a reference to the send so it doesn't get deleted while
2594            the IOSelectorWindow is doing its stuff
2595         */
2596         _processor_being_created = send;
2597
2598         ios->selector().Finished.connect (sigc::bind (
2599                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
2600                         boost::weak_ptr<Processor>(send), ios));
2601
2602 }
2603
2604 void
2605 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2606 {
2607         boost::shared_ptr<Processor> processor (weak_processor.lock());
2608
2609         /* drop our temporary reference to the new send */
2610         _processor_being_created.reset ();
2611
2612         if (!processor) {
2613                 return;
2614         }
2615
2616         switch (r) {
2617         case IOSelector::Cancelled:
2618                 // processor will go away when all shared_ptrs to it vanish
2619                 break;
2620
2621         case IOSelector::Accepted:
2622                 _route->add_processor_by_index (processor, _placement);
2623                 break;
2624         }
2625
2626         delete_when_idle (ios);
2627 }
2628
2629 void
2630 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
2631 {
2632         boost::shared_ptr<Processor> processor (weak_processor.lock());
2633
2634         /* drop our temporary reference to the new return */
2635         _processor_being_created.reset ();
2636
2637         if (!processor) {
2638                 return;
2639         }
2640
2641         switch (r) {
2642         case IOSelector::Cancelled:
2643                 // processor will go away when all shared_ptrs to it vanish
2644                 break;
2645
2646         case IOSelector::Accepted:
2647                 _route->add_processor_by_index (processor, _placement);
2648                 break;
2649         }
2650
2651         delete_when_idle (ios);
2652 }
2653
2654 void
2655 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
2656 {
2657         if (!_route) {
2658                 return;
2659         }
2660
2661         boost::shared_ptr<Route> target = wr.lock();
2662
2663         if (!target) {
2664                 return;
2665         }
2666
2667         _session->add_internal_send (target, _placement, _route);
2668 }
2669
2670 void
2671 ProcessorBox::route_processors_changed (RouteProcessorChange c)
2672 {
2673         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
2674                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
2675                 return;
2676         }
2677
2678         redisplay_processors ();
2679 }
2680
2681 void
2682 ProcessorBox::redisplay_processors ()
2683 {
2684         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
2685
2686         if (no_processor_redisplay) {
2687                 return;
2688         }
2689
2690         processor_display.clear ();
2691
2692         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
2693         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
2694         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_pin_mgr));
2695
2696         setup_entry_positions ();
2697 }
2698
2699 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
2700  *  not already have one.
2701  */
2702 void
2703 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
2704 {
2705         boost::shared_ptr<Processor> p = w.lock ();
2706         if (!p) {
2707                 return;
2708         }
2709         if (p->window_proxy()) {
2710                 return;
2711         }
2712
2713         /* not on the list; add it */
2714
2715         string loc;
2716 #if 0 // is this still needed? Why?
2717         if (_parent_strip) {
2718                 if (_parent_strip->mixer_owned()) {
2719                         loc = X_("M");
2720                 } else {
2721                         loc = X_("R");
2722                 }
2723         } else {
2724                 loc = X_("P");
2725         }
2726 #else
2727         loc = X_("P");
2728 #endif
2729
2730         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
2731                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
2732                 this,
2733                 w);
2734
2735         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2736
2737         if (ui_xml) {
2738                 wp->set_state (*ui_xml, 0);
2739         }
2740
2741         p->set_window_proxy (wp);
2742         WM::Manager::instance().register_window (wp);
2743 }
2744
2745 void
2746 ProcessorBox::maybe_add_processor_pin_mgr (boost::weak_ptr<Processor> w)
2747 {
2748         boost::shared_ptr<Processor> p = w.lock ();
2749         if (!p || p->pinmgr_proxy ()) {
2750                 return;
2751         }
2752
2753         PluginPinWindowProxy* wp = new PluginPinWindowProxy (
2754                         string_compose ("PM-%2-%3", _route->id(), p->id()), w);
2755         wp->set_session (_session);
2756
2757         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
2758         if (ui_xml) {
2759                 wp->set_state (*ui_xml, 0);
2760         }
2761
2762         p->set_pingmgr_proxy (wp);
2763         WM::Manager::instance().register_window (wp);
2764 }
2765
2766 void
2767 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
2768 {
2769         boost::shared_ptr<Processor> processor (p.lock ());
2770
2771         if (!processor || ( !processor->display_to_user()
2772 #ifndef NDEBUG
2773                             && !show_all_processors
2774 #endif
2775                           )
2776            ) {
2777                 return;
2778         }
2779
2780         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
2781
2782         ProcessorEntry* e = 0;
2783         if (plugin_insert) {
2784                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
2785         } else {
2786                 e = new ProcessorEntry (this, processor, _width);
2787         }
2788
2789         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2790         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
2791         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
2792
2793         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
2794         if (!send && !plugin_insert && !ext && !stub)
2795                 e->set_selectable(false);
2796
2797         bool mark_send_visible = false;
2798         if (send && _parent_strip) {
2799                 /* show controls of new sends by default */
2800                 GUIObjectState& st = _parent_strip->gui_object_state ();
2801                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2802                 assert (strip);
2803                 /* check if state exists, if not it must be a new send */
2804                 if (!st.get_node(strip, e->state_id())) {
2805                         mark_send_visible = true;
2806                 }
2807         }
2808
2809         /* Set up this entry's state from the GUIObjectState */
2810         XMLNode* proc = entry_gui_object_state (e);
2811         if (proc) {
2812                 e->set_control_state (proc);
2813         }
2814
2815         if (mark_send_visible) {
2816                 e->show_all_controls ();
2817         }
2818
2819         if (plugin_insert
2820 #ifdef MIXBUS
2821                         && !plugin_insert->plugin(0)->is_channelstrip()
2822 #endif
2823                  )
2824         {
2825                 processor_display.add_child (e, drag_targets());
2826         } else {
2827                 processor_display.add_child (e, drag_targets_noplugin());
2828         }
2829 }
2830
2831 void
2832 ProcessorBox::reordered ()
2833 {
2834         compute_processor_sort_keys ();
2835         setup_entry_positions ();
2836 }
2837
2838 void
2839 ProcessorBox::setup_routing_feeds ()
2840 {
2841         list<ProcessorEntry*> children = processor_display.children ();
2842         /* first set the i/o maps for every processor */
2843         list<ProcessorEntry*>::iterator prev = children.begin();
2844
2845         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2846                 boost::shared_ptr<ARDOUR::Processor> p = (*i)->processor();
2847                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
2848
2849                 list<ProcessorEntry*>::iterator next = i;
2850                 next++;
2851
2852                 if (pi) {
2853                         ChanCount sinks = pi->natural_input_streams ();
2854                         ChanCount sources = pi->natural_output_streams ();
2855                         uint32_t count = pi->get_count ();
2856                         ChanCount in, out;
2857                         pi->configured_io (in, out);
2858
2859                         ChanCount midi_thru;
2860                         ChanCount midi_bypass;
2861                         ChanMapping input_map (pi->input_map ());
2862                         if (pi->has_midi_thru ()) {
2863                                  midi_thru.set(DataType::MIDI, 1);
2864                                  input_map.set (DataType::MIDI, 0, 0);
2865                         }
2866                         if (pi->has_midi_bypass ()) {
2867                                  midi_bypass.set(DataType::MIDI, 1);
2868                         }
2869
2870                         (*i)->input_icon.set_ports (sinks * count + midi_thru);
2871                         (*i)->output_icon.set_ports (sources * count + midi_bypass);
2872
2873                         (*i)->routing_icon.set (
2874                                         in, out,
2875                                         sinks * count + midi_thru,
2876                                         sources * count + midi_bypass,
2877                                         input_map,
2878                                         pi->output_map (),
2879                                         pi->thru_map ());
2880
2881                         if (next != children.end()) {
2882                                 (*next)->routing_icon.set_fed_by (out, sources * count + midi_bypass,
2883                                                 pi->output_map (), pi->thru_map ());
2884                         }
2885
2886                         if (prev != i) {
2887                                 (*prev)->routing_icon.set_feeding (in, sinks * count + midi_thru,
2888                                                 pi->input_map (), pi->thru_map ());
2889                         }
2890
2891                 } else {
2892                         (*i)->input_icon.set_ports (p->input_streams());
2893                         (*i)->output_icon.set_ports (p->output_streams());
2894                         ChanMapping inmap (p->input_streams ());
2895                         ChanMapping outmap (p->output_streams ());
2896                         ChanMapping thrumap;
2897                         (*i)->routing_icon.set (
2898                                         p->input_streams(),
2899                                         p->output_streams(),
2900                                         p->input_streams(),
2901                                         p->output_streams(),
2902                                         inmap, outmap, thrumap);
2903
2904                         if (next != children.end()) {
2905                                 (*next)->routing_icon.set_fed_by (
2906                                                 p->output_streams(),
2907                                                 p->output_streams(),
2908                                                 outmap, thrumap);
2909                         }
2910                         if (prev != i) {
2911                                 (*prev)->routing_icon.set_feeding (
2912                                                 p->input_streams(),
2913                                                 p->output_streams(),
2914                                                 inmap, thrumap);
2915                         }
2916                 }
2917
2918                 if (i == children.begin()) {
2919                         (*i)->routing_icon.unset_fed_by ();
2920                 }
2921                 prev = i;
2922                 (*i)->input_icon.hide();
2923         }
2924
2925         /* now set which icons need to be displayed */
2926         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2927                 (*i)->output_routing_icon.copy_state ((*i)->routing_icon);
2928
2929                 if ((*i)->routing_icon.in_identity ()) {
2930                         (*i)->routing_icon.hide();
2931                         if (i == children.begin()) {
2932                                 (*i)->input_icon.show();
2933                         }
2934                 } else {
2935                         (*i)->routing_icon.show();
2936                         (*i)->routing_icon.queue_draw();
2937                         (*i)->input_icon.show();
2938                 }
2939
2940                 list<ProcessorEntry*>::iterator next = i;
2941                 if (++next == children.end()) {
2942                         // last processor in the chain
2943                         (*i)->output_routing_icon.set_terminal(true);
2944                         (*i)->output_routing_icon.unset_feeding ();
2945                         if ((*i)->routing_icon.out_identity ()) {
2946                                 (*i)->output_routing_icon.hide();
2947                         } else {
2948                                 (*i)->output_routing_icon.show();
2949                                 (*i)->output_routing_icon.queue_draw();
2950                         }
2951                 } else {
2952                         (*i)->output_routing_icon.set_terminal(false);
2953                         if (   !(*i)->routing_icon.out_identity ()
2954                                         && !(*next)->routing_icon.in_identity ()
2955                                         &&  (*next)->routing_icon.can_coalesce ()) {
2956                                 (*i)->output_routing_icon.hide();
2957                         } else if (!(*i)->routing_icon.out_identity ()) {
2958                                 (*i)->output_routing_icon.show();
2959                                 (*i)->output_routing_icon.queue_draw();
2960                                 (*next)->input_icon.show();
2961                         } else {
2962                                 (*i)->output_routing_icon.hide();
2963                         }
2964                 }
2965         }
2966 }
2967
2968 void
2969 ProcessorBox::setup_entry_positions ()
2970 {
2971         list<ProcessorEntry*> children = processor_display.children ();
2972         bool pre_fader = true;
2973
2974         uint32_t num = 0;
2975         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2976                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor()) &&
2977                     boost::dynamic_pointer_cast<Amp>((*i)->processor())->gain_control()->parameter().type() == GainAutomation) {
2978                         pre_fader = false;
2979                         (*i)->set_position (ProcessorEntry::Fader, num++);
2980                 } else {
2981                         if (pre_fader) {
2982                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
2983                         } else {
2984                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
2985                         }
2986                 }
2987         }
2988         setup_routing_feeds ();
2989 }
2990
2991 void
2992 ProcessorBox::compute_processor_sort_keys ()
2993 {
2994         list<ProcessorEntry*> children = processor_display.children ();
2995         Route::ProcessorList our_processors;
2996
2997         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
2998                 if ((*i)->processor()) {
2999                         our_processors.push_back ((*i)->processor ());
3000                 }
3001         }
3002
3003         if (_route->reorder_processors (our_processors)) {
3004                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
3005                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
3006                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
3007                    when the drag is torn down after this handler function is finished.
3008                 */
3009                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
3010         }
3011 }
3012
3013 void
3014 ProcessorBox::report_failed_reorder ()
3015 {
3016         /* reorder failed, so redisplay */
3017
3018         redisplay_processors ();
3019
3020         /* now tell them about the problem */
3021
3022         ArdourDialog dialog (_("Plugin Incompatibility"));
3023         Label label;
3024
3025         label.set_text (_("\
3026 You cannot reorder these plugins/sends/inserts\n\
3027 in that way because the inputs and\n\
3028 outputs will not work correctly."));
3029
3030         dialog.get_vbox()->set_border_width (12);
3031         dialog.get_vbox()->pack_start (label);
3032         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
3033
3034         dialog.set_name (X_("PluginIODialog"));
3035         dialog.set_modal (true);
3036         dialog.show_all ();
3037
3038         dialog.run ();
3039 }
3040
3041 void
3042 ProcessorBox::rename_processors ()
3043 {
3044         ProcSelection to_be_renamed;
3045
3046         get_selected_processors (to_be_renamed);
3047
3048         if (to_be_renamed.empty()) {
3049                 return;
3050         }
3051
3052         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
3053                 rename_processor (*i);
3054         }
3055 }
3056
3057 bool
3058 ProcessorBox::can_cut () const
3059 {
3060         vector<boost::shared_ptr<Processor> > sel;
3061
3062         get_selected_processors (sel);
3063
3064         /* cut_processors () does not cut inserts */
3065
3066         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3067
3068                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3069                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3070                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3071                         return true;
3072                 }
3073         }
3074
3075         return false;
3076 }
3077
3078 bool
3079 ProcessorBox::stub_processor_selected () const
3080 {
3081         vector<boost::shared_ptr<Processor> > sel;
3082
3083         get_selected_processors (sel);
3084
3085         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
3086                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
3087                         return true;
3088                 }
3089         }
3090
3091         return false;
3092 }
3093
3094 void
3095 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
3096 {
3097         if (to_be_removed.empty()) {
3098                 return;
3099         }
3100
3101         XMLNode* node = new XMLNode (X_("cut"));
3102         Route::ProcessorList to_cut;
3103
3104         no_processor_redisplay = true;
3105         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
3106                 // Cut only plugins, sends and returns
3107                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3108                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3109                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3110
3111                         Window* w = get_processor_ui (*i);
3112
3113                         if (w) {
3114                                 w->hide ();
3115                         }
3116
3117                         XMLNode& child ((*i)->get_state());
3118                         node->add_child_nocopy (child);
3119                         to_cut.push_back (*i);
3120                 }
3121         }
3122
3123         if (_route->remove_processors (to_cut) != 0) {
3124                 delete node;
3125                 no_processor_redisplay = false;
3126                 return;
3127         }
3128
3129         _p_selection.set (node);
3130
3131         no_processor_redisplay = false;
3132         redisplay_processors ();
3133 }
3134
3135 void
3136 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
3137 {
3138         if (to_be_copied.empty()) {
3139                 return;
3140         }
3141
3142         XMLNode* node = new XMLNode (X_("copy"));
3143
3144         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
3145                 // Copy only plugins, sends, returns
3146                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
3147                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
3148                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
3149                         node->add_child_nocopy ((*i)->get_state());
3150                 }
3151         }
3152
3153         _p_selection.set (node);
3154 }
3155
3156 void
3157 ProcessorBox::delete_processors (const ProcSelection& targets)
3158 {
3159         if (targets.empty()) {
3160                 return;
3161         }
3162
3163         no_processor_redisplay = true;
3164
3165         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
3166
3167                 Window* w = get_processor_ui (*i);
3168
3169                 if (w) {
3170                         w->hide ();
3171                 }
3172
3173                 _route->remove_processor(*i);
3174         }
3175
3176         no_processor_redisplay = false;
3177         redisplay_processors ();
3178 }
3179
3180 void
3181 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
3182 {
3183         list<boost::shared_ptr<Processor> >::const_iterator x;
3184
3185         no_processor_redisplay = true;
3186         for (x = procs.begin(); x != procs.end(); ++x) {
3187
3188                 Window* w = get_processor_ui (*x);
3189
3190                 if (w) {
3191                         w->hide ();
3192                 }
3193
3194                 _route->remove_processor(*x);
3195         }
3196
3197         no_processor_redisplay = false;
3198         redisplay_processors ();
3199 }
3200
3201 gint
3202 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
3203 {
3204         boost::shared_ptr<Processor> processor (weak_processor.lock());
3205
3206         if (!processor) {
3207                 return false;
3208         }
3209
3210         /* NOT copied to _mixer.selection() */
3211
3212         no_processor_redisplay = true;
3213         _route->remove_processor (processor);
3214         no_processor_redisplay = false;
3215         redisplay_processors ();
3216
3217         return false;
3218 }
3219
3220 void
3221 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
3222 {
3223         ArdourPrompter name_prompter (true);
3224         string result;
3225         name_prompter.set_title (_("Rename Processor"));
3226         name_prompter.set_prompt (_("New name:"));
3227         name_prompter.set_initial_text (processor->name());
3228         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
3229         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
3230         name_prompter.show_all ();
3231
3232         switch (name_prompter.run ()) {
3233
3234         case Gtk::RESPONSE_ACCEPT:
3235                 name_prompter.get_result (result);
3236                 if (result.length()) {
3237
3238                         int tries = 0;
3239                         string test = result;
3240
3241                         while (tries < 100) {
3242                                 if (_session->io_name_is_legal (test)) {
3243                                         result = test;
3244                                         break;
3245                                 }
3246                                 tries++;
3247
3248                                 test = string_compose ("%1-%2", result, tries);
3249                         }
3250
3251                         if (tries < 100) {
3252                                 processor->set_name (result);
3253                         } else {
3254                                 /* unlikely! */
3255                                 ARDOUR_UI::instance()->popup_error
3256                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
3257                         }
3258                 }
3259                 break;
3260         }
3261
3262         return;
3263 }
3264
3265 void
3266 ProcessorBox::paste_processors ()
3267 {
3268         if (_p_selection.processors.empty()) {
3269                 return;
3270         }
3271
3272         paste_processor_state (_p_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
3273 }
3274
3275 void
3276 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
3277 {
3278
3279         if (_p_selection.processors.empty()) {
3280                 return;
3281         }
3282
3283         paste_processor_state (_p_selection.processors.get_node().children(), before);
3284 }
3285
3286 void
3287 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
3288 {
3289         XMLNodeConstIterator niter;
3290         list<boost::shared_ptr<Processor> > copies;
3291
3292         if (nlist.empty()) {
3293                 return;
3294         }
3295
3296         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
3297
3298                 XMLProperty const * type = (*niter)->property ("type");
3299                 XMLProperty const * role = (*niter)->property ("role");
3300                 assert (type);
3301
3302                 boost::shared_ptr<Processor> p;
3303                 try {
3304                         if (type->value() == "meter" ||
3305                             type->value() == "main-outs" ||
3306                             type->value() == "amp" ||
3307                             type->value() == "intreturn") {
3308                                 /* do not paste meter, main outs, amp or internal returns */
3309                                 continue;
3310
3311                         } else if (type->value() == "intsend") {
3312
3313                                 /* aux sends are OK, but those used for
3314                                  * other purposes, are not.
3315                                  */
3316
3317                                 assert (role);
3318
3319                                 if (role->value() != "Aux") {
3320                                         continue;
3321                                 }
3322
3323                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3324                                 XMLNode n (**niter);
3325                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
3326                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
3327
3328                                 IOProcessor::prepare_for_reset (n, s->name());
3329
3330                                 if (s->set_state (n, Stateful::loading_state_version)) {
3331                                         delete s;
3332                                         return;
3333                                 }
3334
3335                                 p.reset (s);
3336
3337                         } else if (type->value() == "send") {
3338
3339                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
3340                                 XMLNode n (**niter);
3341
3342                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
3343
3344                                 IOProcessor::prepare_for_reset (n, s->name());
3345
3346                                 if (s->set_state (n, Stateful::loading_state_version)) {
3347                                         delete s;
3348                                         return;
3349                                 }
3350
3351                                 p.reset (s);
3352
3353                         } else if (type->value() == "return") {
3354
3355                                 XMLNode n (**niter);
3356                                 Return* r = new Return (*_session);
3357
3358                                 IOProcessor::prepare_for_reset (n, r->name());
3359
3360                                 if (r->set_state (n, Stateful::loading_state_version)) {
3361                                         delete r;
3362                                         return;
3363                                 }
3364
3365                                 p.reset (r);
3366
3367                         } else if (type->value() == "port") {
3368
3369                                 XMLNode n (**niter);
3370                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
3371
3372                                 IOProcessor::prepare_for_reset (n, pi->name());
3373
3374                                 if (pi->set_state (n, Stateful::loading_state_version)) {
3375                                         return;
3376                                 }
3377
3378                                 p.reset (pi);
3379                         } else {
3380                                 /* XXX its a bit limiting to assume that everything else
3381                                    is a plugin.
3382                                 */
3383                                 p.reset (new PluginInsert (*_session));
3384                                 /* we can't use RAII Stateful::ForceIDRegeneration
3385                                  * because that'd void copying the state and wrongly bump
3386                                  * the state-version counter.
3387                                  * we need to load the state (incl external files) first and
3388                                  * only then update the ID)
3389                                  */
3390                                 PBD::ID id = p->id();
3391                                 /* strip side-chain state (processor inside processor must be a side-chain)
3392                                  * otherwise we'll end up with duplicate ports-names.
3393                                  * (this needs a better solution which retains connections)
3394                                  * We really would want Stateful::ForceIDRegeneration here :(
3395                                  */
3396                                 XMLNode state (**niter);
3397                                 state.remove_nodes ("Processor");
3398
3399                                 p->set_state (state, Stateful::current_state_version);
3400                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
3401                         }
3402
3403                         copies.push_back (p);
3404                 }
3405
3406                 catch (...) {
3407                         error << _("plugin insert constructor failed") << endmsg;
3408                 }
3409         }
3410
3411         if (copies.empty()) {
3412                 return;
3413         }
3414
3415         if (_route->add_processors (copies, p)) {
3416
3417                 string msg = _(
3418                         "Copying the set of processors on the clipboard failed,\n\
3419 probably because the I/O configuration of the plugins\n\
3420 could not match the configuration of this track.");
3421                 MessageDialog am (msg);
3422                 am.run ();
3423         }
3424 }
3425
3426 void
3427 ProcessorBox::get_selected_processors (ProcSelection& processors) const
3428 {
3429         const list<ProcessorEntry*> selection = processor_display.selection (true);
3430         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
3431                 processors.push_back ((*i)->processor ());
3432         }
3433 }
3434
3435 void
3436 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
3437 {
3438         list<ProcessorEntry*> selection = processor_display.selection ();
3439         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
3440                 (this->*method) ((*i)->processor ());
3441         }
3442 }
3443
3444 void
3445 ProcessorBox::all_visible_processors_active (bool state)
3446 {
3447         _route->all_visible_processors_active (state);
3448 }
3449
3450 void
3451 ProcessorBox::ab_plugins ()
3452 {
3453         _route->ab_plugins (ab_direction);
3454         ab_direction = !ab_direction;
3455 }
3456
3457
3458 void
3459 ProcessorBox::clear_processors ()
3460 {
3461         string prompt;
3462         vector<string> choices;
3463
3464         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
3465                                    "(this cannot be undone)"), _route->name());
3466
3467         choices.push_back (_("Cancel"));
3468         choices.push_back (_("Yes, remove them all"));
3469
3470         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3471
3472         if (prompter.run () == 1) {
3473                 _route->clear_processors (PreFader);
3474                 _route->clear_processors (PostFader);
3475         }
3476 }
3477
3478 void
3479 ProcessorBox::clear_processors (Placement p)
3480 {
3481         string prompt;
3482         vector<string> choices;
3483
3484         if (p == PreFader) {
3485                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
3486                                            "(this cannot be undone)"), _route->name());
3487         } else {
3488                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
3489                                            "(this cannot be undone)"), _route->name());
3490         }
3491
3492         choices.push_back (_("Cancel"));
3493         choices.push_back (_("Yes, remove them all"));
3494
3495         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
3496
3497         if (prompter.run () == 1) {
3498                 _route->clear_processors (p);
3499         }
3500 }
3501
3502 bool
3503 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
3504 {
3505         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
3506         if (at && at->freeze_state() == AudioTrack::Frozen) {
3507                 return false;
3508         }
3509
3510         if (
3511                 boost::dynamic_pointer_cast<Send> (processor) ||
3512                 boost::dynamic_pointer_cast<Return> (processor) ||
3513                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
3514                 boost::dynamic_pointer_cast<PortInsert> (processor)
3515                 ) {
3516                 return true;
3517         }
3518
3519         return false;
3520 }
3521
3522 bool
3523 ProcessorBox::one_processor_can_be_edited ()
3524 {
3525         list<ProcessorEntry*> selection = processor_display.selection ();
3526         list<ProcessorEntry*>::iterator i = selection.begin();
3527         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
3528                 ++i;
3529         }
3530
3531         return (i != selection.end());
3532 }
3533
3534 Gtk::Window*
3535 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
3536 {
3537         boost::shared_ptr<Send> send;
3538         boost::shared_ptr<InternalSend> internal_send;
3539         boost::shared_ptr<Return> retrn;
3540         boost::shared_ptr<PluginInsert> plugin_insert;
3541         boost::shared_ptr<PortInsert> port_insert;
3542         Window* gidget = 0;
3543
3544         /* This method may or may not return a Window, but if it does not it
3545          * will modify the parent mixer strip appearance layout to allow
3546          * "editing" the @param processor that was passed in.
3547          *
3548          * So for example, if the processor is an Amp (gain), the parent strip
3549          * will be forced back into a model where the fader controls the main gain.
3550          * If the processor is a send, then we map the send controls onto the
3551          * strip.
3552          *
3553          * Plugins and others will return a window for control.
3554          */
3555
3556         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
3557
3558                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
3559                         return 0;
3560                 }
3561         }
3562
3563         if (boost::dynamic_pointer_cast<Amp> (processor) && boost::dynamic_pointer_cast<Amp> (processor)->gain_control()->parameter().type() == GainAutomation) {
3564
3565                 if (_parent_strip) {
3566                         _parent_strip->revert_to_default_display ();
3567                 }
3568
3569         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
3570
3571                 if (!_session->engine().connected()) {
3572                         return 0;
3573                 }
3574
3575                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3576
3577                         gidget = new SendUIWindow (send, _session);
3578                 }
3579
3580         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
3581
3582                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
3583                         /* no GUI for these */
3584                         return 0;
3585                 }
3586
3587                 if (!_session->engine().connected()) {
3588                         return 0;
3589                 }
3590
3591                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
3592
3593                 ReturnUIWindow *return_ui;
3594                 Window* w = get_processor_ui (retrn);
3595
3596                 if (w == 0) {
3597
3598                         return_ui = new ReturnUIWindow (retrn, _session);
3599                         return_ui->set_title (retrn->name ());
3600                         set_processor_ui (send, return_ui);
3601
3602                 } else {
3603                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
3604                 }
3605
3606                 gidget = return_ui;
3607
3608         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
3609
3610                 PluginUIWindow *plugin_ui;
3611
3612                 /* these are both allowed to be null */
3613
3614                 Window* w = get_processor_ui (plugin_insert);
3615
3616                 if (w == 0) {
3617                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
3618                         plugin_ui->set_title (generate_processor_title (plugin_insert));
3619                         set_processor_ui (plugin_insert, plugin_ui);
3620
3621                 } else {
3622                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
3623                 }
3624
3625                 gidget = plugin_ui;
3626
3627         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
3628
3629                 if (!_session->engine().connected()) {
3630                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
3631                         msg.run ();
3632                         return 0;
3633                 }
3634
3635                 PortInsertWindow *io_selector;
3636
3637                 Window* w = get_processor_ui (port_insert);
3638
3639                 if (w == 0) {
3640                         io_selector = new PortInsertWindow (_session, port_insert);
3641                         set_processor_ui (port_insert, io_selector);
3642
3643                 } else {
3644                         io_selector = dynamic_cast<PortInsertWindow *> (w);
3645                 }
3646
3647                 gidget = io_selector;
3648         }
3649
3650         return gidget;
3651 }
3652
3653 Gtk::Window*
3654 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
3655 {
3656         boost::shared_ptr<PluginInsert> plugin_insert
3657                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
3658
3659         if (!plugin_insert) {
3660                 return 0;
3661         }
3662
3663         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
3664         win->set_title (generate_processor_title (plugin_insert));
3665
3666         return win;
3667 }
3668
3669 void
3670 ProcessorBox::register_actions ()
3671 {
3672         processor_box_actions = myactions.create_action_group (X_("ProcessorMenu"));
3673
3674         Glib::RefPtr<Action> act;
3675
3676         /* new stuff */
3677         myactions.register_action (processor_box_actions, X_("newplugin"), _("New Plugin"),
3678                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
3679
3680         act = myactions.register_action (processor_box_actions, X_("newinsert"), _("New Insert"),
3681                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
3682         ActionManager::engine_sensitive_actions.push_back (act);
3683         act = myactions.register_action (processor_box_actions, X_("newsend"), _("New External Send ..."),
3684                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
3685         ActionManager::engine_sensitive_actions.push_back (act);
3686
3687         myactions.register_action (processor_box_actions, X_("newaux"), _("New Aux Send ..."));
3688
3689         myactions.register_action (processor_box_actions, X_("controls"), _("Controls"));
3690         myactions.register_action (processor_box_actions, X_("send_options"), _("Send Options"));
3691
3692         myactions.register_action (processor_box_actions, X_("clear"), _("Clear (all)"),
3693                         sigc::ptr_fun (ProcessorBox::rb_clear));
3694         myactions.register_action (processor_box_actions, X_("clear_pre"), _("Clear (pre-fader)"),
3695                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
3696         myactions.register_action (processor_box_actions, X_("clear_post"), _("Clear (post-fader)"),
3697                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
3698
3699         /* standard editing stuff */
3700
3701         cut_action = myactions.register_action (processor_box_actions, X_("cut"), _("Cut"),
3702                                                             sigc::ptr_fun (ProcessorBox::rb_cut));
3703         copy_action = myactions.register_action (processor_box_actions, X_("copy"), _("Copy"),
3704                                                              sigc::ptr_fun (ProcessorBox::rb_copy));
3705         delete_action = myactions.register_action (processor_box_actions, X_("delete"), _("Delete"),
3706                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3707         backspace_action = myactions.register_action (processor_box_actions, X_("backspace"), _("Delete"),
3708                                                                sigc::ptr_fun (ProcessorBox::rb_delete));
3709
3710         ActionManager::plugin_selection_sensitive_actions.push_back (cut_action);
3711         ActionManager::plugin_selection_sensitive_actions.push_back (copy_action);
3712         ActionManager::plugin_selection_sensitive_actions.push_back (delete_action);
3713         ActionManager::plugin_selection_sensitive_actions.push_back (backspace_action);
3714
3715         paste_action = myactions.register_action (processor_box_actions, X_("paste"), _("Paste"),
3716                         sigc::ptr_fun (ProcessorBox::rb_paste));
3717         rename_action = myactions.register_action (processor_box_actions, X_("rename"), _("Rename"),
3718                         sigc::ptr_fun (ProcessorBox::rb_rename));
3719         myactions.register_action (processor_box_actions, X_("selectall"), _("Select All"),
3720                         sigc::ptr_fun (ProcessorBox::rb_select_all));
3721         myactions.register_action (processor_box_actions, X_("deselectall"), _("Deselect All"),
3722                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
3723
3724         /* activation etc. */
3725
3726         myactions.register_action (processor_box_actions, X_("activate_all"), _("Activate All"),
3727                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
3728         myactions.register_action (processor_box_actions, X_("deactivate_all"), _("Deactivate All"),
3729                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
3730         myactions.register_action (processor_box_actions, X_("ab_plugins"), _("A/B Plugins"),
3731                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
3732
3733         manage_pins_action = myactions.register_action (
3734                 processor_box_actions, X_("manage-pins"), _("Pin Connections..."),
3735                 sigc::ptr_fun (ProcessorBox::rb_manage_pins));
3736
3737         /* show editors */
3738         edit_action = myactions.register_action (
3739                 processor_box_actions, X_("edit"), _("Edit..."),
3740                 sigc::ptr_fun (ProcessorBox::rb_edit));
3741
3742         edit_generic_action = myactions.register_action (
3743                 processor_box_actions, X_("edit-generic"), _("Edit with generic controls..."),
3744                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
3745
3746         load_bindings ();
3747 }
3748
3749 void
3750 ProcessorBox::rb_edit_generic ()
3751 {
3752         if (_current_processor_box == 0) {
3753                 return;
3754         }
3755
3756         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
3757 }
3758
3759 void
3760 ProcessorBox::rb_ab_plugins ()
3761 {
3762         if (_current_processor_box == 0) {
3763                 return;
3764         }
3765
3766         _current_processor_box->ab_plugins ();
3767 }
3768
3769 void
3770 ProcessorBox::rb_manage_pins ()
3771 {
3772         if (_current_processor_box == 0) {
3773                 return;
3774         }
3775
3776         _current_processor_box->for_selected_processors (&ProcessorBox::manage_pins);
3777 }
3778 void
3779 ProcessorBox::rb_choose_plugin ()
3780 {
3781         if (_current_processor_box == 0) {
3782                 return;
3783         }
3784         _current_processor_box->choose_plugin ();
3785 }
3786
3787 void
3788 ProcessorBox::rb_choose_insert ()
3789 {
3790         if (_current_processor_box == 0) {
3791                 return;
3792         }
3793         _current_processor_box->choose_insert ();
3794 }
3795
3796 void
3797 ProcessorBox::rb_choose_send ()
3798 {
3799         if (_current_processor_box == 0) {
3800                 return;
3801         }
3802         _current_processor_box->choose_send ();
3803 }
3804
3805 void
3806 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
3807 {
3808         if (_current_processor_box == 0) {
3809                 return;
3810         }
3811
3812         _current_processor_box->choose_aux (wr);
3813 }
3814
3815 void
3816 ProcessorBox::rb_clear ()
3817 {
3818         if (_current_processor_box == 0) {
3819                 return;
3820         }
3821
3822         _current_processor_box->clear_processors ();
3823 }
3824
3825
3826 void
3827 ProcessorBox::rb_clear_pre ()
3828 {
3829         if (_current_processor_box == 0) {
3830                 return;
3831         }
3832
3833         _current_processor_box->clear_processors (PreFader);
3834 }
3835
3836
3837 void
3838 ProcessorBox::rb_clear_post ()
3839 {
3840         if (_current_processor_box == 0) {
3841                 return;
3842         }
3843
3844         _current_processor_box->clear_processors (PostFader);
3845 }
3846
3847 void
3848 ProcessorBox::rb_cut ()
3849 {
3850         if (_current_processor_box == 0) {
3851                 return;
3852         }
3853
3854         _current_processor_box->processor_operation (ProcessorsCut);
3855 }
3856
3857 void
3858 ProcessorBox::rb_delete ()
3859 {
3860         if (_current_processor_box == 0) {
3861                 return;
3862         }
3863
3864         _current_processor_box->processor_operation (ProcessorsDelete);
3865 }
3866
3867 void
3868 ProcessorBox::rb_copy ()
3869 {
3870         if (_current_processor_box == 0) {
3871                 return;
3872         }
3873         _current_processor_box->processor_operation (ProcessorsCopy);
3874 }
3875
3876 void
3877 ProcessorBox::rb_paste ()
3878 {
3879         if (_current_processor_box == 0) {
3880                 return;
3881         }
3882
3883         _current_processor_box->processor_operation (ProcessorsPaste);
3884 }
3885
3886 void
3887 ProcessorBox::rb_rename ()
3888 {
3889         if (_current_processor_box == 0) {
3890                 return;
3891         }
3892         _current_processor_box->rename_processors ();
3893 }
3894
3895 void
3896 ProcessorBox::rb_select_all ()
3897 {
3898         if (_current_processor_box == 0) {
3899                 return;
3900         }
3901
3902         _current_processor_box->processor_operation (ProcessorsSelectAll);
3903 }
3904
3905 void
3906 ProcessorBox::rb_deselect_all ()
3907 {
3908         if (_current_processor_box == 0) {
3909                 return;
3910         }
3911
3912         _current_processor_box->deselect_all_processors ();
3913 }
3914
3915 void
3916 ProcessorBox::rb_activate_all ()
3917 {
3918         if (_current_processor_box == 0) {
3919                 return;
3920         }
3921
3922         _current_processor_box->all_visible_processors_active (true);
3923 }
3924
3925 void
3926 ProcessorBox::rb_deactivate_all ()
3927 {
3928         if (_current_processor_box == 0) {
3929                 return;
3930         }
3931         _current_processor_box->all_visible_processors_active (false);
3932 }
3933
3934 void
3935 ProcessorBox::rb_edit ()
3936 {
3937         if (_current_processor_box == 0) {
3938                 return;
3939         }
3940
3941         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
3942 }
3943
3944 bool
3945 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
3946 {
3947         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
3948                 return false;
3949         }
3950
3951         if (_parent_strip) {
3952                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
3953                 if (_parent_strip->current_delivery() == send) {
3954                         _parent_strip->revert_to_default_display ();
3955                 } else {
3956                         _parent_strip->show_send(send);
3957                 }
3958         }
3959         return true;
3960 }
3961
3962 void
3963 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
3964 {
3965         if (!processor) {
3966                 return;
3967         }
3968         if (edit_aux_send (processor)) {
3969                 return;
3970         }
3971         if (!_session->engine().connected()) {
3972                 return;
3973         }
3974
3975         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3976
3977         if (proxy) {
3978                 proxy->set_custom_ui_mode (true);
3979                 proxy->show_the_right_window ();
3980         }
3981 }
3982
3983 void
3984 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
3985 {
3986         if (!processor) {
3987                 return;
3988         }
3989         if (edit_aux_send (processor)) {
3990                 return;
3991         }
3992         if (!_session->engine().connected()) {
3993                 return;
3994         }
3995
3996         ProcessorWindowProxy* proxy = find_window_proxy (processor);
3997
3998         if (proxy) {
3999                 proxy->set_custom_ui_mode (false);
4000                 proxy->show_the_right_window ();
4001         }
4002 }
4003
4004 void
4005 ProcessorBox::manage_pins (boost::shared_ptr<Processor> processor)
4006 {
4007         if (!processor) {
4008                 return;
4009         }
4010         PluginPinWindowProxy* proxy = processor->pinmgr_proxy ();
4011         if (proxy) {
4012                 proxy->get (true);
4013                 proxy->present();
4014         }
4015 }
4016
4017
4018 void
4019 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
4020 {
4021         if (!what_changed.contains (ARDOUR::Properties::name)) {
4022                 return;
4023         }
4024
4025         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
4026
4027         boost::shared_ptr<Processor> processor;
4028         boost::shared_ptr<PluginInsert> plugin_insert;
4029         boost::shared_ptr<Send> send;
4030
4031         list<ProcessorEntry*> children = processor_display.children();
4032
4033         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
4034
4035                 processor = (*iter)->processor ();
4036
4037                 if (!processor) {
4038                         continue;
4039                 }
4040
4041                 Window* w = get_processor_ui (processor);
4042
4043                 if (!w) {
4044                         continue;
4045                 }
4046
4047                 /* rename editor windows for sends and plugins */
4048
4049                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
4050                         w->set_title (send->name ());
4051                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
4052                         w->set_title (generate_processor_title (plugin_insert));
4053                 }
4054         }
4055 }
4056
4057 string
4058 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
4059 {
4060         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
4061         string::size_type email_pos;
4062
4063         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
4064                 maker = maker.substr (0, email_pos - 1);
4065         }
4066
4067         if (maker.length() > 32) {
4068                 maker = maker.substr (0, 32);
4069                 maker += " ...";
4070         }
4071
4072         SessionObject* owner = pi->owner();
4073
4074         if (owner) {
4075                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
4076         } else {
4077                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
4078         }
4079 }
4080
4081 /** @param p Processor.
4082  *  @return the UI window for \a p.
4083  */
4084 Window *
4085 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
4086 {
4087         ProcessorWindowProxy* wp = p->window_proxy();
4088         if (wp) {
4089                 return wp->get ();
4090         }
4091         return 0;
4092 }
4093
4094 /** Make a note of the UI window that a processor is using.
4095  *  @param p Processor.
4096  *  @param w UI window.
4097  */
4098 void
4099 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
4100 {
4101         assert (p->window_proxy());
4102         p->window_proxy()->use_window (*w);
4103 }
4104
4105 void
4106 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
4107 {
4108         boost::shared_ptr<Delivery> d = w.lock ();
4109         if (!d) {
4110                 return;
4111         }
4112
4113         list<ProcessorEntry*> children = processor_display.children ();
4114         list<ProcessorEntry*>::const_iterator i = children.begin();
4115         while (i != children.end() && (*i)->processor() != d) {
4116                 ++i;
4117         }
4118
4119         if (i == children.end()) {
4120                 processor_display.set_active (0);
4121         } else {
4122                 processor_display.set_active (*i);
4123         }
4124 }
4125
4126 /** Called to repair the damage of Editor::show_window doing a show_all() */
4127 void
4128 ProcessorBox::hide_things ()
4129 {
4130         list<ProcessorEntry*> c = processor_display.children ();
4131         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
4132                 (*i)->hide_things ();
4133         }
4134 }
4135
4136 void
4137 ProcessorBox::processor_menu_unmapped ()
4138 {
4139         processor_display.remove_placeholder ();
4140         /* make all possibly-desensitized actions sensitive again so that
4141            they be activated by other means (e.g. bindings)
4142         */
4143         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, true);
4144 }
4145
4146 XMLNode *
4147 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
4148 {
4149         if (!_parent_strip) {
4150                 return 0;
4151         }
4152
4153         GUIObjectState& st = _parent_strip->gui_object_state ();
4154
4155         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
4156         assert (strip);
4157         return st.get_or_add_node (strip, entry->state_id());
4158 }
4159
4160 void
4161 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
4162 {
4163         XMLNode* proc = entry_gui_object_state (entry);
4164         if (!proc) {
4165                 return;
4166         }
4167
4168         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
4169         proc->remove_nodes_and_delete (X_("Object"));
4170         entry->add_control_state (proc);
4171 }
4172
4173 bool
4174 ProcessorBox::is_editor_mixer_strip() const
4175 {
4176         return _parent_strip && !_parent_strip->mixer_owned();
4177 }
4178
4179 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
4180         : WM::ProxyBase (name, string())
4181         , _processor_box (box)
4182         , _processor (processor)
4183         , is_custom (true)
4184         , want_custom (true)
4185 {
4186         boost::shared_ptr<Processor> p = _processor.lock ();
4187         if (!p) {
4188                 return;
4189         }
4190         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
4191
4192         p->ToggleUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::show_the_right_window, this, false), gui_context());
4193         p->ShowUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::show_the_right_window, this, true), gui_context());
4194         p->HideUI.connect (gui_connections, invalidator (*this), boost::bind (&ProcessorWindowProxy::hide, this), gui_context());
4195 }
4196
4197 ProcessorWindowProxy::~ProcessorWindowProxy()
4198 {
4199         /* processor window proxies do not own the windows they create with
4200          * ::get(), so set _window to null before the normal WindowProxy method
4201          * deletes it.
4202          */
4203         _window = 0;
4204 }
4205
4206 void
4207 ProcessorWindowProxy::processor_going_away ()
4208 {
4209         gui_connections.drop_connections ();
4210         delete _window;
4211         _window = 0;
4212         WM::Manager::instance().remove (this);
4213         /* should be no real reason to do this, since the object that would
4214            send DropReferences is about to be deleted, but lets do it anyway.
4215         */
4216         going_away_connection.disconnect();
4217         delete this;
4218 }
4219
4220 ARDOUR::SessionHandlePtr*
4221 ProcessorWindowProxy::session_handle()
4222 {
4223         /* we don't care */
4224         return 0;
4225 }
4226
4227 XMLNode&
4228 ProcessorWindowProxy::get_state ()
4229 {
4230         XMLNode *node;
4231         node = &ProxyBase::get_state();
4232         node->set_property (X_("custom-ui"), is_custom);
4233         return *node;
4234 }
4235
4236 int
4237 ProcessorWindowProxy::set_state (const XMLNode& node, int /*version*/)
4238 {
4239         XMLNodeList children = node.children ();
4240         XMLNodeList::const_iterator i = children.begin ();
4241         while (i != children.end()) {
4242                 std::string name;
4243                 if ((*i)->name() == X_("Window") && (*i)->get_property (X_("name"), name) && name == _name) {
4244                         break;
4245                 }
4246                 ++i;
4247         }
4248
4249         if (i != children.end()) {
4250                 (*i)->get_property (X_("custom-ui"), want_custom);
4251         }
4252
4253         return ProxyBase::set_state (node, 0);
4254 }
4255
4256 Gtk::Window*
4257 ProcessorWindowProxy::get (bool create)
4258 {
4259         boost::shared_ptr<Processor> p = _processor.lock ();
4260
4261         if (!p) {
4262                 return 0;
4263         }
4264         if (_window && (is_custom != want_custom)) {
4265                 /* drop existing window - wrong type */
4266                 set_state_mask (Gtkmm2ext::WindowProxy::StateMask (state_mask () & ~WindowProxy::Size));
4267                 drop_window ();
4268         }
4269
4270         if (!_window) {
4271                 if (!create) {
4272                         return 0;
4273                 }
4274
4275                 is_custom = want_custom;
4276                 _window = _processor_box->get_editor_window (p, is_custom);
4277
4278                 if (_window) {
4279                         setup ();
4280                         _window->show_all ();
4281                 }
4282         }
4283         return _window;
4284 }
4285
4286 void
4287 ProcessorWindowProxy::show_the_right_window (bool show_not_toggle)
4288 {
4289         if (_window && (is_custom != want_custom)) {
4290                 /* drop existing window - wrong type */
4291                 set_state_mask (Gtkmm2ext::WindowProxy::StateMask (state_mask () & ~WindowProxy::Size));
4292                 drop_window ();
4293         }
4294         if (_window && fully_visible () && show_not_toggle) {
4295                 return;
4296         }
4297         toggle ();
4298 }
4299
4300
4301 PluginPinWindowProxy::PluginPinWindowProxy(std::string const &name, boost::weak_ptr<ARDOUR::Processor> processor)
4302         : WM::ProxyBase (name, string())
4303         , _processor (processor)
4304 {
4305         boost::shared_ptr<Processor> p = _processor.lock ();
4306         if (!p) {
4307                 return;
4308         }
4309         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&PluginPinWindowProxy::processor_going_away, this), gui_context());
4310 }
4311
4312 PluginPinWindowProxy::~PluginPinWindowProxy()
4313 {
4314         _window = 0;
4315 }
4316
4317 ARDOUR::SessionHandlePtr*
4318 PluginPinWindowProxy::session_handle ()
4319 {
4320         ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4321         if (aw) { return aw; }
4322         return 0;
4323 }
4324
4325 Gtk::Window*
4326 PluginPinWindowProxy::get (bool create)
4327 {
4328         boost::shared_ptr<Processor> p = _processor.lock ();
4329         boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (p);
4330         if (!p || !pi) {
4331                 return 0;
4332         }
4333
4334         if (!_window) {
4335                 if (!create) {
4336                         return 0;
4337                 }
4338                 _window = new PluginPinDialog (pi);
4339                 ArdourWindow* aw = dynamic_cast<ArdourWindow*> (_window);
4340                 if (aw) {
4341                         aw->set_session (_session);
4342                 }
4343                 _window->show_all ();
4344         }
4345         return _window;
4346 }
4347
4348 void
4349 PluginPinWindowProxy::processor_going_away ()
4350 {
4351         delete _window;
4352         _window = 0;
4353         WM::Manager::instance().remove (this);
4354         going_away_connection.disconnect();
4355         delete this;
4356 }
4357
4358 void
4359 ProcessorBox::load_bindings ()
4360 {
4361         bindings = Bindings::get_bindings (X_("Processor Box"), myactions);
4362 }