2c2ac20d0b8521a8c39d6917f647498db02dddd9
[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 "pbd/convert.h"
31
32 #include <glibmm/miscutils.h>
33
34 #include <gtkmm/messagedialog.h>
35
36 #include <gtkmm2ext/gtk_ui.h>
37 #include <gtkmm2ext/utils.h>
38 #include <gtkmm2ext/choice.h>
39 #include <gtkmm2ext/utils.h>
40 #include <gtkmm2ext/doi.h>
41
42 #include "ardour/amp.h"
43 #include "ardour/ardour.h"
44 #include "ardour/audio_track.h"
45 #include "ardour/audioengine.h"
46 #include "ardour/internal_send.h"
47 #include "ardour/internal_return.h"
48 #include "ardour/ladspa_plugin.h"
49 #include "ardour/meter.h"
50 #include "ardour/plugin_insert.h"
51 #include "ardour/port_insert.h"
52 #include "ardour/profile.h"
53 #include "ardour/return.h"
54 #include "ardour/route.h"
55 #include "ardour/send.h"
56 #include "ardour/session.h"
57 #include "ardour/dB.h"
58
59 #include "actions.h"
60 #include "ardour_dialog.h"
61 #include "ardour_ui.h"
62 #include "gui_thread.h"
63 #include "io_selector.h"
64 #include "keyboard.h"
65 #include "mixer_ui.h"
66 #include "mixer_strip.h"
67 #include "plugin_selector.h"
68 #include "plugin_ui.h"
69 #include "port_insert_ui.h"
70 #include "processor_box.h"
71 #include "public_editor.h"
72 #include "return_ui.h"
73 #include "route_processor_selection.h"
74 #include "send_ui.h"
75 #include "utils.h"
76
77 #include "i18n.h"
78
79 #ifdef AUDIOUNIT_SUPPORT
80 class AUPluginUI;
81 #endif
82
83 using namespace std;
84 using namespace ARDOUR;
85 using namespace PBD;
86 using namespace Gtk;
87 using namespace Glib;
88 using namespace Gtkmm2ext;
89
90 ProcessorBox* ProcessorBox::_current_processor_box = 0;
91 RefPtr<Action> ProcessorBox::paste_action;
92 RefPtr<Action> ProcessorBox::cut_action;
93 RefPtr<Action> ProcessorBox::rename_action;
94 RefPtr<Action> ProcessorBox::edit_action;
95 RefPtr<Action> ProcessorBox::controls_action;
96 Glib::RefPtr<Gdk::Pixbuf> SendProcessorEntry::_slider;
97
98 ProcessorEntry::ProcessorEntry (boost::shared_ptr<Processor> p, Width w)
99         : _button (ArdourButton::led_default_elements)
100         , _position (PreFader)
101         , _processor (p)
102         , _width (w)
103         , _visual_state (Gtk::STATE_NORMAL)
104 {
105         _vbox.pack_start (_button, true, true);
106         _vbox.show ();
107         
108         if (_processor->active()) {
109                 _button.set_active_state (Gtkmm2ext::Active);
110         }
111         _button.set_diameter (3);
112         _button.set_distinct_led_click (true);
113         _button.set_led_left (true);
114         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
115         _button.set_text (name (_width));
116         _button.show ();
117
118         _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
119         _processor->PropertyChanged.connect (name_connection, invalidator (*this), ui_bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
120
121         setup_tooltip ();
122         setup_visuals ();
123 }
124
125 EventBox&
126 ProcessorEntry::action_widget ()
127 {
128         return _button;
129 }
130
131 Gtk::Widget&
132 ProcessorEntry::widget ()
133 {
134         return _vbox;
135 }
136
137 string
138 ProcessorEntry::drag_text () const
139 {
140         return name (Wide);
141 }
142
143 void
144 ProcessorEntry::set_position (Position p)
145 {
146         _position = p;
147         setup_visuals ();
148 }
149
150 void
151 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
152 {
153         if (yn) {
154                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
155         } else {
156                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
157         }
158 }
159
160 void
161 ProcessorEntry::setup_visuals ()
162 {
163         switch (_position) {
164         case PreFader:
165                 _button.set_name ("processor prefader");
166                 break;
167
168         case Fader:
169                 _button.set_name ("processor fader");
170                 break;
171
172         case PostFader:
173                 _button.set_name ("processor postfader");
174                 break;
175         }
176 }
177
178
179 boost::shared_ptr<Processor>
180 ProcessorEntry::processor () const
181 {
182         return _processor;
183 }
184
185 void
186 ProcessorEntry::set_enum_width (Width w)
187 {
188         _width = w;
189 }
190
191 void
192 ProcessorEntry::led_clicked()
193 {
194         if (_button.active_state() == Gtkmm2ext::Active) {
195                 _processor->deactivate ();
196         } else {
197                 _processor->activate ();
198         }
199 }
200
201 void
202 ProcessorEntry::processor_active_changed ()
203 {
204         if (_processor->active()) {
205                 _button.set_active_state (Gtkmm2ext::Active);
206         } else {
207                 _button.unset_active_state ();
208         }
209 }
210
211 void
212 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
213 {
214         if (what_changed.contains (ARDOUR::Properties::name)) {
215                 _button.set_text (name (_width));
216                 setup_tooltip ();
217         }
218 }
219
220 void
221 ProcessorEntry::setup_tooltip ()
222 {
223         ARDOUR_UI::instance()->set_tip (_button, name (Wide));
224 }
225
226 string
227 ProcessorEntry::name (Width w) const
228 {
229         boost::shared_ptr<Send> send;
230         string name_display;
231
232         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
233             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
234
235                 name_display += '>';
236
237                 /* grab the send name out of its overall name */
238
239                 string::size_type lbracket, rbracket;
240                 lbracket = send->name().find ('[');
241                 rbracket = send->name().find (']');
242
243                 switch (w) {
244                 case Wide:
245                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
246                         break;
247                 case Narrow:
248                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
249                         break;
250                 }
251
252         } else {
253
254                 switch (w) {
255                 case Wide:
256                         name_display += _processor->display_name();
257                         break;
258                 case Narrow:
259                         name_display += PBD::short_version (_processor->display_name(), 5);
260                         break;
261                 }
262
263         }
264
265         return name_display;
266 }
267
268 SendProcessorEntry::SendProcessorEntry (boost::shared_ptr<Send> s, Width w)
269         : ProcessorEntry (s, w)
270         , _send (s)
271         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
272         , _fader (_slider, &_adjustment, 0, false)
273         , _ignore_gain_change (false)
274         , _data_type (DataType::AUDIO)
275 {
276         _fader.set_name ("SendFader");
277         _fader.set_controllable (_send->amp()->gain_control ());
278         _vbox.pack_start (_fader);
279
280         _fader.show ();
281
282         _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &SendProcessorEntry::gain_adjusted));
283
284         _send->amp()->gain_control()->Changed.connect (
285                 _send_connections, invalidator (*this), boost::bind (&SendProcessorEntry::show_gain, this), gui_context()
286                 );
287         
288         _send->amp()->ConfigurationChanged.connect (
289                 _send_connections, invalidator (*this), ui_bind (&SendProcessorEntry::setup_gain_adjustment, this), gui_context ()
290                 );
291
292         setup_gain_adjustment ();
293         show_gain ();
294 }
295
296 void
297 SendProcessorEntry::setup_gain_adjustment ()
298 {
299         if (_send->amp()->output_streams().n_midi() == 0) {
300                 _data_type = DataType::AUDIO;
301                 _adjustment.set_lower (0);
302                 _adjustment.set_upper (1);
303                 _adjustment.set_step_increment (0.01);
304                 _adjustment.set_page_increment (0.1);
305                 _fader.set_default_value (gain_to_slider_position (1));
306         } else {
307                 _data_type = DataType::MIDI;
308                 _adjustment.set_lower (0);
309                 _adjustment.set_upper (2);
310                 _adjustment.set_step_increment (0.05);
311                 _adjustment.set_page_increment (0.1);
312                 _fader.set_default_value (1);
313         }
314 }
315
316 void
317 SendProcessorEntry::setup_slider_pix ()
318 {
319         _slider = ::get_icon ("fader_belt_h_thin");
320         assert (_slider);
321 }
322
323 void
324 SendProcessorEntry::show_gain ()
325 {
326         gain_t value = 0;
327         
328         switch (_data_type) {
329         case DataType::AUDIO:
330                 value = gain_to_slider_position_with_max (_send->amp()->gain (), Config->get_max_gain());
331                 break;
332         case DataType::MIDI:
333                 value = _send->amp()->gain ();
334                 break;
335         }
336
337         if (_adjustment.get_value() != value) {
338                 _ignore_gain_change = true;
339                 _adjustment.set_value (value);
340                 _ignore_gain_change = false;
341
342                 stringstream s;
343                 s.precision (1);
344                 s.setf (ios::fixed, ios::floatfield);
345                 s << accurate_coefficient_to_dB (_send->amp()->gain ());
346                 if (_data_type == DataType::AUDIO) {
347                         s << _("dB");
348                 }
349                 
350                 _fader.set_tooltip_text (s.str ());
351         }
352 }
353
354 void
355 SendProcessorEntry::gain_adjusted ()
356 {
357         if (_ignore_gain_change) {
358                 return;
359         }
360
361         gain_t value = 0;
362
363         switch (_data_type) {
364         case DataType::AUDIO:
365                 value = slider_position_to_gain_with_max (_adjustment.get_value(), Config->get_max_gain());
366                 break;
367         case DataType::MIDI:
368                 value = _adjustment.get_value ();
369         }
370         
371         _send->amp()->set_gain (value, this);
372 }
373
374 void
375 SendProcessorEntry::set_pixel_width (int p)
376 {
377         _fader.set_fader_length (p);
378 }
379
380 PluginInsertProcessorEntry::PluginInsertProcessorEntry (boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
381         : ProcessorEntry (p, w)
382         , _plugin_insert (p)
383 {
384         p->SplittingChanged.connect (
385                 _splitting_connection, invalidator (*this), ui_bind (&PluginInsertProcessorEntry::plugin_insert_splitting_changed, this), gui_context()
386                 );
387
388         _splitting_icon.set_size_request (-1, 12);
389
390         _vbox.pack_start (_splitting_icon);
391         _vbox.reorder_child (_splitting_icon, 0);
392
393         plugin_insert_splitting_changed ();
394 }
395
396 void
397 PluginInsertProcessorEntry::plugin_insert_splitting_changed ()
398 {
399         if (_plugin_insert->splitting ()) {
400                 _splitting_icon.show ();
401         } else {
402                 _splitting_icon.hide ();
403         }
404 }
405
406 void
407 PluginInsertProcessorEntry::hide_things ()
408 {
409         plugin_insert_splitting_changed ();
410 }
411
412 void
413 PluginInsertProcessorEntry::setup_visuals ()
414 {
415         switch (_position) {
416         case PreFader:
417                 _splitting_icon.set_name ("ProcessorPreFader");
418                 break;
419
420         case Fader:
421                 _splitting_icon.set_name ("ProcessorFader");
422                 break;
423
424         case PostFader:
425                 _splitting_icon.set_name ("ProcessorPostFader");
426                 break;
427         }
428
429         ProcessorEntry::setup_visuals ();
430 }
431
432 bool
433 PluginInsertProcessorEntry::SplittingIcon::on_expose_event (GdkEventExpose* ev)
434 {
435         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
436
437         cairo_set_line_width (cr, 1);
438
439         double const width = ev->area.width;
440         double const height = ev->area.height;
441
442         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
443         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
444
445         cairo_rectangle (cr, 0, 0, width, height);
446         cairo_fill (cr);
447
448         Gdk::Color const fg = get_style()->get_fg (STATE_NORMAL);
449         cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
450
451         cairo_move_to (cr, width * 0.3, height);
452         cairo_line_to (cr, width * 0.3, height * 0.5);
453         cairo_line_to (cr, width * 0.7, height * 0.5);
454         cairo_line_to (cr, width * 0.7, height);
455         cairo_move_to (cr, width * 0.5, height * 0.5);
456         cairo_line_to (cr, width * 0.5, 0);
457         cairo_stroke (cr);
458
459         return true;
460 }
461
462 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
463                             RouteRedirectSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
464         : _parent_strip (parent)
465         , _owner_is_mixer (owner_is_mixer)
466         , ab_direction (true)
467         , _get_plugin_selector (get_plugin_selector)
468         , _placement (-1)
469         , _rr_selection(rsel)
470 {
471         set_session (sess);
472
473         _width = Wide;
474         processor_menu = 0;
475         send_action_menu = 0;
476         no_processor_redisplay = false;
477
478         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
479         processor_scroller.add (processor_display);
480         pack_start (processor_scroller, true, true);
481
482         processor_display.set_flags (CAN_FOCUS);
483         processor_display.set_name ("ProcessorList");
484         processor_display.set_size_request (48, -1);
485         processor_display.set_data ("processorbox", this);
486         processor_display.set_spacing (2);
487
488         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
489         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
490
491         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
492         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
493
494         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
495         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
496         processor_display.SelectionChanged.connect (sigc::mem_fun (*this, &ProcessorBox::selection_changed));
497
498         processor_scroller.show ();
499         processor_display.show ();
500
501         if (parent) {
502                 parent->DeliveryChanged.connect (
503                         _mixer_strip_connections, invalidator (*this), ui_bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
504                         );
505         }
506 }
507
508 ProcessorBox::~ProcessorBox ()
509 {
510 }
511
512 void
513 ProcessorBox::set_route (boost::shared_ptr<Route> r)
514 {
515         if (_route == r) {
516                 return;
517         }
518
519         _route_connections.drop_connections();
520
521         /* new route: any existing block on processor redisplay must be meaningless */
522         no_processor_redisplay = false;
523         _route = r;
524
525         _route->processors_changed.connect (
526                 _route_connections, invalidator (*this), ui_bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
527                 );
528
529         _route->DropReferences.connect (
530                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
531                 );
532
533         _route->PropertyChanged.connect (
534                 _route_connections, invalidator (*this), ui_bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
535                 );
536
537         redisplay_processors ();
538 }
539
540 void
541 ProcessorBox::route_going_away ()
542 {
543         /* don't keep updating display as processors are deleted */
544         no_processor_redisplay = true;
545         _route.reset ();
546 }
547
548 void
549 ProcessorBox::object_drop(DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
550 {
551         boost::shared_ptr<Processor> p;
552         if (position) {
553                 p = position->processor ();
554         }
555
556         list<ProcessorEntry*> children = source->selection ();
557         list<boost::shared_ptr<Processor> > procs;
558         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
559                 procs.push_back ((*i)->processor ());
560         }
561
562         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
563                 XMLNode& state = (*i)->get_state ();
564                 XMLNodeList nlist;
565                 nlist.push_back (&state);
566                 paste_processor_state (nlist, p);
567                 delete &state;
568         }
569
570         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
571            ourselves.
572         */
573
574         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
575                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
576                 if (other) {
577                         cerr << "source was another processor box, delete the selected items\n";
578                         other->delete_dragged_processors (procs);
579                 }
580         }
581 }
582
583 void
584 ProcessorBox::update()
585 {
586         redisplay_processors ();
587 }
588
589 void
590 ProcessorBox::set_width (Width w)
591 {
592         if (_width == w) {
593                 return;
594         }
595
596         _width = w;
597
598         list<ProcessorEntry*> children = processor_display.children ();
599         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
600                 (*i)->set_enum_width (w);
601         }
602
603         redisplay_processors ();
604 }
605
606 void
607 ProcessorBox::build_send_action_menu ()
608 {
609         using namespace Menu_Helpers;
610
611         send_action_menu = new Menu;
612         send_action_menu->set_name ("ArdourContextMenu");
613         MenuList& items = send_action_menu->items();
614
615         items.push_back (MenuElem (_("New send"), sigc::mem_fun(*this, &ProcessorBox::new_send)));
616         items.push_back (MenuElem (_("Show send controls"), sigc::mem_fun(*this, &ProcessorBox::show_send_controls)));
617 }
618
619 Gtk::Menu*
620 ProcessorBox::build_possible_aux_menu ()
621 {
622         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
623
624         if (rl->empty()) {
625                 return 0;
626         }
627
628         using namespace Menu_Helpers;
629         Menu* menu = manage (new Menu);
630         MenuList& items = menu->items();
631
632         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
633                 if (!_route->internal_send_for (*r) && *r != _route) {
634                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
635                 }
636         }
637
638         return menu;
639 }
640
641 void
642 ProcessorBox::show_send_controls ()
643 {
644 }
645
646 void
647 ProcessorBox::new_send ()
648 {
649 }
650
651 void
652 ProcessorBox::show_processor_menu (int arg)
653 {
654         if (processor_menu == 0) {
655                 processor_menu = build_processor_menu ();
656                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
657         }
658
659         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
660
661         if (plugin_menu_item) {
662                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
663         }
664
665         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
666
667         if (aux_menu_item) {
668                 Menu* m = build_possible_aux_menu();
669                 if (m && !m->items().empty()) {
670                         aux_menu_item->set_submenu (*m);
671                         aux_menu_item->set_sensitive (true);
672                 } else {
673                         /* stupid gtkmm: we need to pass a null reference here */
674                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
675                         aux_menu_item->set_sensitive (false);
676                 }
677         }
678
679         cut_action->set_sensitive (can_cut());
680         paste_action->set_sensitive (!_rr_selection.processors.empty());
681
682         processor_menu->popup (1, arg);
683
684         /* Add a placeholder gap to the processor list to indicate where a processor would be
685            inserted were one chosen from the menu.
686         */
687         int x, y;
688         processor_display.get_pointer (x, y);
689         _placement = processor_display.add_placeholder (y);
690 }
691
692 bool
693 ProcessorBox::enter_notify (GdkEventCrossing*)
694 {
695         _current_processor_box = this;
696         return false;
697 }
698
699 bool
700 ProcessorBox::leave_notify (GdkEventCrossing* ev)
701 {
702         return false;
703 }
704
705 void
706 ProcessorBox::processor_operation (ProcessorOperation op) 
707 {
708         ProcSelection targets;
709
710         get_selected_processors (targets);
711
712         if (targets.empty()) {
713
714                 int x, y;
715                 processor_display.get_pointer (x, y);
716
717                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
718
719                 if (pointer.first) {
720                         targets.push_back (pointer.first->processor ());
721                 }
722         }
723
724         switch (op) {
725         case ProcessorsSelectAll:
726                 processor_display.select_all ();
727                 break;
728
729         case ProcessorsCopy:
730                 copy_processors (targets);
731                 break;
732
733         case ProcessorsCut:
734                 cut_processors (targets);
735                 break;
736
737         case ProcessorsPaste:
738                 if (targets.empty()) {
739                         paste_processors ();
740                 } else {
741                         paste_processors (targets.front());
742                 }
743                 break;
744
745         case ProcessorsDelete:
746                 delete_processors (targets);
747                 break;
748
749         case ProcessorsToggleActive:
750                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
751                         if ((*i)->active()) {
752                                 (*i)->deactivate ();
753                         } else {
754                                 (*i)->activate ();
755                         }
756                 }
757                 break;
758
759         case ProcessorsAB:
760                 ab_plugins ();
761                 break;
762
763         default:
764                 break;
765         }
766 }
767
768 bool
769 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
770 {
771         boost::shared_ptr<Processor> processor;
772         if (child) {
773                 processor = child->processor ();
774         }
775
776         int ret = false;
777         bool selected = processor_display.selected (child);
778
779         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
780
781                 if (_session->engine().connected()) {
782                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
783                         toggle_edit_processor (processor);
784                 }
785                 ret = true;
786
787         } else if (processor && ev->button == 1 && selected) {
788
789                 // this is purely informational but necessary for route params UI
790                 ProcessorSelected (processor); // emit
791
792         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
793
794                 choose_plugin ();
795                 _get_plugin_selector()->show_manager ();
796         }
797
798         return ret;
799 }
800
801 bool
802 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
803 {
804         boost::shared_ptr<Processor> processor;
805         if (child) {
806                 processor = child->processor ();
807         }
808
809         if (processor && Keyboard::is_delete_event (ev)) {
810
811                 Glib::signal_idle().connect (sigc::bind (
812                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
813                                 boost::weak_ptr<Processor>(processor)));
814
815         } else if (Keyboard::is_context_menu_event (ev)) {
816
817                 show_processor_menu (ev->time);
818
819         } else if (processor && Keyboard::is_button2_event (ev)
820 #ifndef GTKOSX
821                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
822 #endif
823                 ) {
824
825                 /* button2-click with no/appropriate modifiers */
826
827                 if (processor->active()) {
828                         processor->deactivate ();
829                 } else {
830                         processor->activate ();
831                 }
832         }
833
834         return false;
835 }
836
837 Menu *
838 ProcessorBox::build_processor_menu ()
839 {
840         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
841         processor_menu->set_name ("ArdourContextMenu");
842         return processor_menu;
843 }
844
845 void
846 ProcessorBox::selection_changed ()
847 {
848         const bool sensitive = !processor_display.selection().empty();
849         ActionManager::set_sensitive(ActionManager::plugin_selection_sensitive_actions,
850                                      sensitive);
851         edit_action->set_sensitive(one_processor_can_be_edited());
852
853         const bool single_selection = (processor_display.selection().size() == 1);
854
855         boost::shared_ptr<PluginInsert> pi;
856         if (single_selection) {
857                 pi = boost::dynamic_pointer_cast<PluginInsert>(
858                         processor_display.selection().front()->processor());
859         }
860
861         /* enable gui for plugin inserts with editors */
862         controls_action->set_sensitive(pi && pi->plugin()->has_editor());
863
864         /* disallow rename for multiple selections and for plugin inserts */
865         rename_action->set_sensitive(single_selection && pi);
866 }
867
868 void
869 ProcessorBox::select_all_processors ()
870 {
871         processor_display.select_all ();
872 }
873
874 void
875 ProcessorBox::deselect_all_processors ()
876 {
877         processor_display.select_none ();
878 }
879
880 void
881 ProcessorBox::choose_plugin ()
882 {
883         _get_plugin_selector()->set_interested_object (*this);
884 }
885
886 /** @return true if an error occurred, otherwise false */
887 bool
888 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
889 {
890         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
891
892                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
893
894                 Route::ProcessorStreams err_streams;
895
896                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
897                         weird_plugin_dialog (**p, err_streams);
898                         return true;
899                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
900                 } else {
901
902                         if (Profile->get_sae()) {
903                                 processor->activate ();
904                         }
905                 }
906         }
907
908         return false;
909 }
910
911 void
912 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
913 {
914         ArdourDialog dialog (_("Plugin Incompatibility"));
915         Label label;
916
917         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
918                         p.name(), streams.index);
919
920         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
921         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
922
923         text += _("\nThis plugin has:\n");
924         if (has_midi) {
925                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
926                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
927         }
928         if (has_audio) {
929                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
930                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
931         }
932
933         text += _("\nbut at the insertion point, there are:\n");
934         if (has_midi) {
935                 uint32_t const n = streams.count.n_midi ();
936                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
937         }
938         if (has_audio) {
939                 uint32_t const n = streams.count.n_audio ();
940                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
941         }
942
943         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
944         label.set_text(text);
945
946         dialog.get_vbox()->pack_start (label);
947         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
948
949         dialog.set_name (X_("PluginIODialog"));
950         dialog.set_position (Gtk::WIN_POS_MOUSE);
951         dialog.set_modal (true);
952         dialog.show_all ();
953
954         dialog.run ();
955 }
956
957 void
958 ProcessorBox::choose_insert ()
959 {
960         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
961         _route->add_processor_by_index (processor, _placement);
962 }
963
964 /* Caller must not hold process lock */
965 void
966 ProcessorBox::choose_send ()
967 {
968         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable(), _route->mute_master()));
969
970         /* make an educated guess at the initial number of outputs for the send */
971         ChanCount outs = (_session->master_out())
972                         ? _session->master_out()->n_outputs()
973                         : _route->n_outputs();
974
975         /* XXX need processor lock on route */
976         try {
977                 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
978                 send->output()->ensure_io (outs, false, this);
979         } catch (AudioEngine::PortRegistrationFailure& err) {
980                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
981                 return;
982         }
983
984         /* let the user adjust the IO setup before creation.
985
986            Note: this dialog is NOT modal - we just leave it to run and it will
987            return when its Finished signal is emitted - typically when the window
988            is closed.
989          */
990
991         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
992         ios->show ();
993
994         /* keep a reference to the send so it doesn't get deleted while
995            the IOSelectorWindow is doing its stuff
996         */
997         _processor_being_created = send;
998
999         ios->selector().Finished.connect (sigc::bind (
1000                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1001                         boost::weak_ptr<Processor>(send), ios));
1002
1003 }
1004
1005 void
1006 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1007 {
1008         boost::shared_ptr<Processor> processor (weak_processor.lock());
1009
1010         /* drop our temporary reference to the new send */
1011         _processor_being_created.reset ();
1012
1013         if (!processor) {
1014                 return;
1015         }
1016
1017         switch (r) {
1018         case IOSelector::Cancelled:
1019                 // processor will go away when all shared_ptrs to it vanish
1020                 break;
1021
1022         case IOSelector::Accepted:
1023                 _route->add_processor_by_index (processor, _placement);
1024                 if (Profile->get_sae()) {
1025                         processor->activate ();
1026                 }
1027                 break;
1028         }
1029
1030         delete_when_idle (ios);
1031 }
1032
1033 void
1034 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1035 {
1036         boost::shared_ptr<Processor> processor (weak_processor.lock());
1037
1038         /* drop our temporary reference to the new return */
1039         _processor_being_created.reset ();
1040
1041         if (!processor) {
1042                 return;
1043         }
1044
1045         switch (r) {
1046         case IOSelector::Cancelled:
1047                 // processor will go away when all shared_ptrs to it vanish
1048                 break;
1049
1050         case IOSelector::Accepted:
1051                 _route->add_processor_by_index (processor, _placement);
1052                 if (Profile->get_sae()) {
1053                         processor->activate ();
1054                 }
1055                 break;
1056         }
1057
1058         delete_when_idle (ios);
1059 }
1060
1061 void
1062 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1063 {
1064         if (!_route) {
1065                 return;
1066         }
1067
1068         boost::shared_ptr<Route> target = wr.lock();
1069
1070         if (!target) {
1071                 return;
1072         }
1073
1074         boost::shared_ptr<RouteList> rlist (new RouteList);
1075         rlist->push_back (_route);
1076
1077         _session->add_internal_sends (target, PreFader, rlist);
1078 }
1079
1080 void
1081 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1082 {
1083         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1084                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1085                 return;
1086         }
1087
1088         redisplay_processors ();
1089 }
1090
1091 void
1092 ProcessorBox::redisplay_processors ()
1093 {
1094         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors)
1095
1096         if (no_processor_redisplay) {
1097                 return;
1098         }
1099
1100         processor_display.clear ();
1101
1102         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1103
1104         for (list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin(); i != _processor_window_proxies.end(); ++i) {
1105                 (*i)->marked = false;
1106         }
1107
1108         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1109
1110         /* trim dead wood from the processor window proxy list */
1111
1112         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin();
1113         while (i != _processor_window_proxies.end()) {
1114                 list<ProcessorWindowProxy*>::iterator j = i;
1115                 ++j;
1116
1117                 if (!(*i)->marked) {
1118                         ARDOUR_UI::instance()->remove_window_proxy (*i);
1119                         delete *i;
1120                         _processor_window_proxies.erase (i);
1121                 }
1122
1123                 i = j;
1124         }
1125
1126         setup_entry_positions ();
1127 }
1128
1129 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1130  *  not already have one.
1131  */
1132 void
1133 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1134 {
1135         boost::shared_ptr<Processor> p = w.lock ();
1136         if (!p) {
1137                 return;
1138         }
1139
1140         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
1141         while (i != _processor_window_proxies.end()) {
1142
1143                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
1144
1145                 if (p == t) {
1146                         /* this processor is already on the list; done */
1147                         (*i)->marked = true;
1148                         return;
1149                 }
1150
1151                 ++i;
1152         }
1153
1154         /* not on the list; add it */
1155
1156         string loc;
1157         if (_parent_strip) {
1158                 if (_parent_strip->mixer_owned()) {
1159                         loc = X_("M");
1160                 } else {
1161                         loc = X_("R");
1162                 }
1163         } else {
1164                 loc = X_("P");
1165         }
1166
1167         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1168                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1169                 _session->extra_xml (X_("UI")),
1170                 this,
1171                 w);
1172
1173         wp->marked = true;
1174
1175         /* if the processor already has an existing UI,
1176            note that so that we don't recreate it
1177         */
1178
1179         void* existing_ui = p->get_ui ();
1180
1181         if (existing_ui) {
1182                 wp->set (static_cast<Gtk::Window*>(existing_ui));
1183         }
1184
1185         _processor_window_proxies.push_back (wp);
1186         ARDOUR_UI::instance()->add_window_proxy (wp);
1187 }
1188
1189 void
1190 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1191 {
1192         boost::shared_ptr<Processor> processor (p.lock ());
1193
1194         if (!processor || !processor->display_to_user()) {
1195                 return;
1196         }
1197
1198         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1199         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1200         ProcessorEntry* e = 0;
1201         if (send) {
1202                 e = new SendProcessorEntry (send, _width);
1203         } else if (plugin_insert) {
1204                 e = new PluginInsertProcessorEntry (plugin_insert, _width);
1205         } else {
1206                 e = new ProcessorEntry (processor, _width);
1207         }
1208
1209         e->set_pixel_width (get_allocation().get_width());
1210         processor_display.add_child (e);
1211 }
1212
1213
1214 void
1215 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
1216 {
1217         string tip(start);
1218
1219         list<ProcessorEntry*> children = processor_display.children ();
1220         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1221                 tip += '\n';
1222                 tip += (*i)->processor()->name();
1223         }
1224
1225         ARDOUR_UI::instance()->set_tip (box, tip);
1226 }
1227
1228 void
1229 ProcessorBox::reordered ()
1230 {
1231         compute_processor_sort_keys ();
1232         setup_entry_positions ();
1233 }
1234
1235 void
1236 ProcessorBox::setup_entry_positions ()
1237 {
1238         list<ProcessorEntry*> children = processor_display.children ();
1239         bool pre_fader = true;
1240
1241         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1242                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1243                         pre_fader = false;
1244                         (*i)->set_position (ProcessorEntry::Fader);
1245                 } else {
1246                         if (pre_fader) {
1247                                 (*i)->set_position (ProcessorEntry::PreFader);
1248                         } else {
1249                                 (*i)->set_position (ProcessorEntry::PostFader);
1250                         }
1251                 }
1252         }
1253 }
1254
1255 void
1256 ProcessorBox::compute_processor_sort_keys ()
1257 {
1258         list<ProcessorEntry*> children = processor_display.children ();
1259         Route::ProcessorList our_processors;
1260
1261         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
1262                 our_processors.push_back ((*iter)->processor ());
1263         }
1264
1265         if (_route->reorder_processors (our_processors)) {
1266                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1267                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1268                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1269                    when the drag is torn down after this handler function is finished.
1270                 */
1271                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1272         }
1273 }
1274
1275 void
1276 ProcessorBox::report_failed_reorder ()
1277 {
1278         /* reorder failed, so redisplay */
1279
1280         redisplay_processors ();
1281
1282         /* now tell them about the problem */
1283
1284         ArdourDialog dialog (_("Plugin Incompatibility"));
1285         Label label;
1286
1287         label.set_text (_("\
1288 You cannot reorder these plugins/sends/inserts\n\
1289 in that way because the inputs and\n\
1290 outputs will not work correctly."));
1291
1292         dialog.get_vbox()->set_border_width (12);
1293         dialog.get_vbox()->pack_start (label);
1294         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1295
1296         dialog.set_name (X_("PluginIODialog"));
1297         dialog.set_position (Gtk::WIN_POS_MOUSE);
1298         dialog.set_modal (true);
1299         dialog.show_all ();
1300
1301         dialog.run ();
1302 }
1303
1304 void
1305 ProcessorBox::rename_processors ()
1306 {
1307         ProcSelection to_be_renamed;
1308
1309         get_selected_processors (to_be_renamed);
1310
1311         if (to_be_renamed.empty()) {
1312                 return;
1313         }
1314
1315         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1316                 rename_processor (*i);
1317         }
1318 }
1319
1320 bool
1321 ProcessorBox::can_cut () const
1322 {
1323         vector<boost::shared_ptr<Processor> > sel;
1324
1325         get_selected_processors (sel);
1326
1327         /* cut_processors () does not cut inserts */
1328
1329         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1330
1331                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1332                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1333                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1334                         return true;
1335                 }
1336         }
1337
1338         return false;
1339 }
1340
1341 void
1342 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1343 {
1344         if (to_be_removed.empty()) {
1345                 return;
1346         }
1347
1348         XMLNode* node = new XMLNode (X_("cut"));
1349         Route::ProcessorList to_cut;
1350
1351         no_processor_redisplay = true;
1352         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
1353                 // Cut only plugins, sends and returns
1354                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1355                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1356                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1357
1358                         Window* w = get_processor_ui (*i);
1359
1360                         if (w) {
1361                                 w->hide ();
1362                         }
1363
1364                         XMLNode& child ((*i)->get_state());
1365                         node->add_child_nocopy (child);
1366                         to_cut.push_back (*i);
1367                 }
1368         }
1369
1370         if (_route->remove_processors (to_cut) != 0) {
1371                 delete node;
1372                 no_processor_redisplay = false;
1373                 return;
1374         }
1375
1376         _rr_selection.set (node);
1377
1378         no_processor_redisplay = false;
1379         redisplay_processors ();
1380 }
1381
1382 void
1383 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
1384 {
1385         if (to_be_copied.empty()) {
1386                 return;
1387         }
1388
1389         XMLNode* node = new XMLNode (X_("copy"));
1390
1391         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
1392                 // Copy only plugins, sends, returns
1393                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1394                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1395                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1396                         node->add_child_nocopy ((*i)->get_state());
1397                 }
1398         }
1399
1400         _rr_selection.set (node);
1401 }
1402
1403 void
1404 ProcessorBox::processors_up ()
1405 {
1406         /* unimplemented */
1407 }
1408
1409 void
1410 ProcessorBox::processors_down ()
1411 {
1412         /* unimplemented */
1413 }
1414         
1415
1416 void
1417 ProcessorBox::delete_processors (const ProcSelection& targets)
1418 {
1419         if (targets.empty()) {
1420                 return;
1421         }
1422
1423         no_processor_redisplay = true;
1424
1425         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
1426
1427                 Window* w = get_processor_ui (*i);
1428
1429                 if (w) {
1430                         w->hide ();
1431                 }
1432
1433                 _route->remove_processor(*i);
1434         }
1435
1436         no_processor_redisplay = false;
1437         redisplay_processors ();
1438 }
1439
1440 void
1441 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
1442 {
1443         list<boost::shared_ptr<Processor> >::const_iterator x;
1444
1445         no_processor_redisplay = true;
1446         for (x = procs.begin(); x != procs.end(); ++x) {
1447
1448                 Window* w = get_processor_ui (*x);
1449
1450                 if (w) {
1451                         w->hide ();
1452                 }
1453
1454                 _route->remove_processor(*x);
1455         }
1456
1457         no_processor_redisplay = false;
1458         redisplay_processors ();
1459 }
1460
1461 gint
1462 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
1463 {
1464         boost::shared_ptr<Processor> processor (weak_processor.lock());
1465
1466         if (!processor) {
1467                 return false;
1468         }
1469
1470         /* NOT copied to _mixer.selection() */
1471
1472         no_processor_redisplay = true;
1473         _route->remove_processor (processor);
1474         no_processor_redisplay = false;
1475         redisplay_processors ();
1476
1477         return false;
1478 }
1479
1480 void
1481 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
1482 {
1483         ArdourPrompter name_prompter (true);
1484         string result;
1485         name_prompter.set_title (_("Rename Processor"));
1486         name_prompter.set_prompt (_("New name:"));
1487         name_prompter.set_initial_text (processor->name());
1488         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1489         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1490         name_prompter.show_all ();
1491
1492         switch (name_prompter.run ()) {
1493
1494         case Gtk::RESPONSE_ACCEPT:
1495                 name_prompter.get_result (result);
1496                 if (result.length()) {
1497
1498                        int tries = 0;
1499                        string test = result;
1500
1501                        while (tries < 100) {
1502                                if (_session->io_name_is_legal (test)) {
1503                                        result = test;
1504                                        break;
1505                                }
1506                                tries++;
1507
1508                                test = string_compose ("%1-%2", result, tries);
1509                        }
1510
1511                        if (tries < 100) {
1512                                processor->set_name (result);
1513                        } else {
1514                                /* unlikely! */
1515                                ARDOUR_UI::instance()->popup_error
1516                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
1517                        }
1518                 }
1519                 break;
1520         }
1521
1522         return;
1523 }
1524
1525 void
1526 ProcessorBox::paste_processors ()
1527 {
1528         if (_rr_selection.processors.empty()) {
1529                 return;
1530         }
1531
1532         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
1533 }
1534
1535 void
1536 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
1537 {
1538
1539         if (_rr_selection.processors.empty()) {
1540                 return;
1541         }
1542
1543         paste_processor_state (_rr_selection.processors.get_node().children(), before);
1544 }
1545
1546 void
1547 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
1548 {
1549         XMLNodeConstIterator niter;
1550         list<boost::shared_ptr<Processor> > copies;
1551
1552         if (nlist.empty()) {
1553                 return;
1554         }
1555
1556         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
1557
1558                 XMLProperty const * type = (*niter)->property ("type");
1559                 assert (type);
1560
1561                 boost::shared_ptr<Processor> p;
1562                 try {
1563                         if (type->value() == "meter" ||
1564                             type->value() == "main-outs" ||
1565                             type->value() == "amp" ||
1566                             type->value() == "intsend" || type->value() == "intreturn") {
1567                                 /* do not paste meter, main outs, amp or internal send/returns */
1568                                 continue;
1569
1570                         } else if (type->value() == "send") {
1571
1572                                 XMLNode n (**niter);
1573                                 Send::make_unique (n, *_session);
1574                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
1575                                 if (s->set_state (n, Stateful::loading_state_version)) {
1576                                         delete s;
1577                                         return;
1578                                 }
1579
1580                                 p.reset (s);
1581
1582
1583                         } else if (type->value() == "return") {
1584
1585                                 XMLNode n (**niter);
1586                                 Return::make_unique (n, *_session);
1587                                 Return* r = new Return (*_session);
1588
1589                                 if (r->set_state (n, Stateful::loading_state_version)) {
1590                                         delete r;
1591                                         return;
1592                                 }
1593
1594                                 p.reset (r);
1595
1596                         } else if (type->value() == "port") {
1597
1598                                 XMLNode n (**niter);
1599                                 p.reset (new PortInsert (*_session, _route->pannable (), _route->mute_master ()));
1600                                 if (p->set_state (n, Stateful::loading_state_version)) {
1601                                         return;
1602                                 }
1603
1604                         } else {
1605                                 /* XXX its a bit limiting to assume that everything else
1606                                    is a plugin.
1607                                 */
1608
1609                                 p.reset (new PluginInsert (*_session));
1610                                 p->set_state (**niter, Stateful::current_state_version);
1611                         }
1612
1613                         copies.push_back (p);
1614                 }
1615
1616                 catch (...) {
1617                         cerr << "plugin insert constructor failed\n";
1618                 }
1619         }
1620
1621         if (copies.empty()) {
1622                 return;
1623         }
1624
1625         if (_route->add_processors (copies, p)) {
1626
1627                 string msg = _(
1628                         "Copying the set of processors on the clipboard failed,\n\
1629 probably because the I/O configuration of the plugins\n\
1630 could not match the configuration of this track.");
1631                 MessageDialog am (msg);
1632                 am.run ();
1633         }
1634 }
1635
1636 void
1637 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
1638 {
1639         r->activate ();
1640 }
1641
1642 void
1643 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
1644 {
1645         r->deactivate ();
1646 }
1647
1648 void
1649 ProcessorBox::get_selected_processors (ProcSelection& processors) const
1650 {
1651         const list<ProcessorEntry*> selection = processor_display.selection ();
1652         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
1653                 processors.push_back ((*i)->processor ());
1654         }
1655 }
1656
1657 void
1658 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1659 {
1660         list<ProcessorEntry*> selection = processor_display.selection ();
1661         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
1662                 (this->*method) ((*i)->processor ());
1663         }
1664 }
1665
1666 void
1667 ProcessorBox::all_processors_active (bool state)
1668 {
1669         _route->all_processors_active (PreFader, state);
1670         _route->all_processors_active (PostFader, state);
1671 }
1672
1673 void
1674 ProcessorBox::ab_plugins ()
1675 {
1676         _route->ab_plugins (ab_direction);
1677         ab_direction = !ab_direction;
1678 }
1679
1680
1681 void
1682 ProcessorBox::clear_processors ()
1683 {
1684         string prompt;
1685         vector<string> choices;
1686
1687         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
1688                                    "(this cannot be undone)"), _route->name());
1689
1690         choices.push_back (_("Cancel"));
1691         choices.push_back (_("Yes, remove them all"));
1692
1693         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1694
1695         if (prompter.run () == 1) {
1696                 _route->clear_processors (PreFader);
1697                 _route->clear_processors (PostFader);
1698         }
1699 }
1700
1701 void
1702 ProcessorBox::clear_processors (Placement p)
1703 {
1704         string prompt;
1705         vector<string> choices;
1706
1707         if (p == PreFader) {
1708                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
1709                                            "(this cannot be undone)"), _route->name());
1710         } else {
1711                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
1712                                            "(this cannot be undone)"), _route->name());
1713         }
1714
1715         choices.push_back (_("Cancel"));
1716         choices.push_back (_("Yes, remove them all"));
1717
1718         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1719
1720         if (prompter.run () == 1) {
1721                 _route->clear_processors (p);
1722         }
1723 }
1724
1725 bool
1726 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
1727 {
1728         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
1729         if (at && at->freeze_state() == AudioTrack::Frozen) {
1730                 return false;
1731         }
1732
1733         if (
1734                 (boost::dynamic_pointer_cast<Send> (processor) && !boost::dynamic_pointer_cast<InternalSend> (processor))||
1735                 boost::dynamic_pointer_cast<Return> (processor) ||
1736                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
1737                 boost::dynamic_pointer_cast<PortInsert> (processor)
1738                 ) {
1739                 return true;
1740         }
1741
1742         return false;
1743 }
1744
1745 bool
1746 ProcessorBox::one_processor_can_be_edited ()
1747 {
1748         list<ProcessorEntry*> selection = processor_display.selection ();
1749         list<ProcessorEntry*>::iterator i = selection.begin();
1750         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
1751                 ++i;
1752         }
1753
1754         return (i != selection.end());
1755 }
1756
1757 void
1758 ProcessorBox::toggle_edit_processor (boost::shared_ptr<Processor> processor)
1759 {
1760         boost::shared_ptr<Send> send;
1761         boost::shared_ptr<InternalSend> internal_send;
1762         boost::shared_ptr<Return> retrn;
1763         boost::shared_ptr<PluginInsert> plugin_insert;
1764         boost::shared_ptr<PortInsert> port_insert;
1765         Window* gidget = 0;
1766
1767         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1768
1769                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1770                         return;
1771                 }
1772         }
1773
1774         if (boost::dynamic_pointer_cast<Amp> (processor)) {
1775
1776                 if (_parent_strip) {
1777                         _parent_strip->revert_to_default_display ();
1778                 }
1779
1780         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1781
1782                 if (!_session->engine().connected()) {
1783                         return;
1784                 }
1785
1786                 SendUIWindow* w = new SendUIWindow (send, _session);
1787                 w->show ();
1788
1789         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
1790
1791                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
1792                         /* no GUI for these */
1793                         return;
1794                 }
1795
1796                 if (!_session->engine().connected()) {
1797                         return;
1798                 }
1799
1800                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
1801
1802                 ReturnUIWindow *return_ui;
1803                 Window* w = get_processor_ui (retrn);
1804
1805                 if (w == 0) {
1806
1807                         return_ui = new ReturnUIWindow (retrn, _session);
1808                         return_ui->set_title (retrn->name ());
1809                         set_processor_ui (send, return_ui);
1810
1811                 } else {
1812                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
1813                 }
1814
1815                 gidget = return_ui;
1816
1817         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1818
1819                 PluginUIWindow *plugin_ui;
1820
1821                 /* these are both allowed to be null */
1822
1823                 Container* toplevel = get_toplevel();
1824                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1825
1826                 Window* w = get_processor_ui (plugin_insert);
1827
1828                 if (w == 0) {
1829
1830                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1831                         plugin_ui->set_title (generate_processor_title (plugin_insert));
1832                         set_processor_ui (plugin_insert, plugin_ui);
1833
1834                 } else {
1835                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
1836                         plugin_ui->set_parent (win);
1837                 }
1838
1839                 gidget = plugin_ui;
1840
1841         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1842
1843                 if (!_session->engine().connected()) {
1844                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1845                         msg.run ();
1846                         return;
1847                 }
1848
1849                 PortInsertWindow *io_selector;
1850
1851                 Window* w = get_processor_ui (port_insert);
1852
1853                 if (w == 0) {
1854                         io_selector = new PortInsertWindow (_session, port_insert);
1855                         set_processor_ui (port_insert, io_selector);
1856
1857                 } else {
1858                         io_selector = dynamic_cast<PortInsertWindow *> (w);
1859                 }
1860
1861                 gidget = io_selector;
1862         }
1863
1864         if (gidget) {
1865                 if (gidget->is_visible()) {
1866                         gidget->hide ();
1867                 } else {
1868                         gidget->show_all ();
1869                         gidget->present ();
1870                 }
1871         }
1872 }
1873
1874 void
1875 ProcessorBox::toggle_processor_controls (boost::shared_ptr<Processor> processor)
1876 {
1877         boost::shared_ptr<PluginInsert> plugin_insert
1878                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
1879         if (!plugin_insert) {
1880                 return;
1881         }
1882
1883         Container*      toplevel  = get_toplevel();
1884         Window*         win       = dynamic_cast<Gtk::Window*>(toplevel);
1885         PluginUIWindow* plugin_ui = new PluginUIWindow(win, plugin_insert, true, false);
1886         plugin_ui->set_title(generate_processor_title (plugin_insert));
1887
1888         if (plugin_ui->is_visible()) {
1889                 plugin_ui->hide();
1890         } else {
1891                 plugin_ui->show_all();
1892                 plugin_ui->present();
1893         }
1894 }
1895
1896 void
1897 ProcessorBox::register_actions ()
1898 {
1899         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("ProcessorMenu"));
1900         Glib::RefPtr<Action> act;
1901
1902         /* new stuff */
1903         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
1904                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1905
1906         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
1907                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1908         ActionManager::jack_sensitive_actions.push_back (act);
1909         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),
1910                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
1911         ActionManager::jack_sensitive_actions.push_back (act);
1912
1913         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
1914
1915         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
1916                         sigc::ptr_fun (ProcessorBox::rb_clear));
1917         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
1918                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
1919         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
1920                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
1921
1922         /* standard editing stuff */
1923         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
1924                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
1925         ActionManager::plugin_selection_sensitive_actions.push_back(cut_action);
1926         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
1927                         sigc::ptr_fun (ProcessorBox::rb_copy));
1928         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1929
1930         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
1931                         sigc::ptr_fun (ProcessorBox::rb_delete));
1932         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1933
1934         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
1935                         sigc::ptr_fun (ProcessorBox::rb_paste));
1936         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
1937                         sigc::ptr_fun (ProcessorBox::rb_rename));
1938         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
1939                         sigc::ptr_fun (ProcessorBox::rb_select_all));
1940         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
1941                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1942
1943         /* activation etc. */
1944
1945         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),
1946                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
1947         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),
1948                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1949         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
1950                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
1951
1952         /* show editors */
1953         edit_action = ActionManager::register_action (
1954                 popup_act_grp, X_("edit"), _("Edit..."),
1955                 sigc::ptr_fun (ProcessorBox::rb_edit));
1956
1957         /* show plugin GUI */
1958         controls_action = ActionManager::register_action (
1959                         popup_act_grp, X_("controls"), _("Controls..."),
1960                         sigc::ptr_fun (ProcessorBox::rb_controls));
1961
1962         ActionManager::add_action_group (popup_act_grp);
1963 }
1964
1965 void
1966 ProcessorBox::rb_ab_plugins ()
1967 {
1968         if (_current_processor_box == 0) {
1969                 return;
1970         }
1971
1972         _current_processor_box->ab_plugins ();
1973 }
1974
1975 void
1976 ProcessorBox::rb_choose_plugin ()
1977 {
1978         if (_current_processor_box == 0) {
1979                 return;
1980         }
1981         _current_processor_box->choose_plugin ();
1982 }
1983
1984 void
1985 ProcessorBox::rb_choose_insert ()
1986 {
1987         if (_current_processor_box == 0) {
1988                 return;
1989         }
1990         _current_processor_box->choose_insert ();
1991 }
1992
1993 void
1994 ProcessorBox::rb_choose_send ()
1995 {
1996         if (_current_processor_box == 0) {
1997                 return;
1998         }
1999         _current_processor_box->choose_send ();
2000 }
2001
2002 void
2003 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2004 {
2005         if (_current_processor_box == 0) {
2006                 return;
2007         }
2008
2009         _current_processor_box->choose_aux (wr);
2010 }
2011
2012 void
2013 ProcessorBox::rb_clear ()
2014 {
2015         if (_current_processor_box == 0) {
2016                 return;
2017         }
2018
2019         _current_processor_box->clear_processors ();
2020 }
2021
2022
2023 void
2024 ProcessorBox::rb_clear_pre ()
2025 {
2026         if (_current_processor_box == 0) {
2027                 return;
2028         }
2029
2030         _current_processor_box->clear_processors (PreFader);
2031 }
2032
2033
2034 void
2035 ProcessorBox::rb_clear_post ()
2036 {
2037         if (_current_processor_box == 0) {
2038                 return;
2039         }
2040
2041         _current_processor_box->clear_processors (PostFader);
2042 }
2043
2044 void
2045 ProcessorBox::rb_cut ()
2046 {
2047         if (_current_processor_box == 0) {
2048                 return;
2049         }
2050
2051         _current_processor_box->processor_operation (ProcessorsCut);
2052 }
2053
2054 void
2055 ProcessorBox::rb_delete ()
2056 {
2057         if (_current_processor_box == 0) {
2058                 return;
2059         }
2060
2061         _current_processor_box->processor_operation (ProcessorsDelete);
2062 }
2063
2064 void
2065 ProcessorBox::rb_copy ()
2066 {
2067         if (_current_processor_box == 0) {
2068                 return;
2069         }
2070         _current_processor_box->processor_operation (ProcessorsCopy);
2071 }
2072
2073 void
2074 ProcessorBox::rb_paste ()
2075 {
2076         if (_current_processor_box == 0) {
2077                 return;
2078         }
2079
2080         _current_processor_box->processor_operation (ProcessorsPaste);
2081 }
2082
2083 void
2084 ProcessorBox::rb_rename ()
2085 {
2086         if (_current_processor_box == 0) {
2087                 return;
2088         }
2089         _current_processor_box->rename_processors ();
2090 }
2091
2092 void
2093 ProcessorBox::rb_select_all ()
2094 {
2095         if (_current_processor_box == 0) {
2096                 return;
2097         }
2098
2099         _current_processor_box->processor_operation (ProcessorsSelectAll);
2100 }
2101
2102 void
2103 ProcessorBox::rb_deselect_all ()
2104 {
2105         if (_current_processor_box == 0) {
2106                 return;
2107         }
2108
2109         _current_processor_box->deselect_all_processors ();
2110 }
2111
2112 void
2113 ProcessorBox::rb_activate_all ()
2114 {
2115         if (_current_processor_box == 0) {
2116                 return;
2117         }
2118
2119         _current_processor_box->all_processors_active (true);
2120 }
2121
2122 void
2123 ProcessorBox::rb_deactivate_all ()
2124 {
2125         if (_current_processor_box == 0) {
2126                 return;
2127         }
2128         _current_processor_box->all_processors_active (false);
2129 }
2130
2131 void
2132 ProcessorBox::rb_edit ()
2133 {
2134         if (_current_processor_box == 0) {
2135                 return;
2136         }
2137
2138         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_processor);
2139 }
2140
2141 void
2142 ProcessorBox::rb_controls ()
2143 {
2144         if (_current_processor_box == 0) {
2145                 return;
2146         }
2147
2148         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_processor_controls);
2149 }
2150
2151 void
2152 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2153 {
2154         if (!what_changed.contains (ARDOUR::Properties::name)) {
2155                 return;
2156         }
2157
2158         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2159
2160         boost::shared_ptr<Processor> processor;
2161         boost::shared_ptr<PluginInsert> plugin_insert;
2162         boost::shared_ptr<Send> send;
2163
2164         list<ProcessorEntry*> children = processor_display.children();
2165
2166         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2167
2168                 processor = (*iter)->processor ();
2169
2170                 Window* w = get_processor_ui (processor);
2171
2172                 if (!w) {
2173                         continue;
2174                 }
2175
2176                 /* rename editor windows for sends and plugins */
2177
2178                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2179                         w->set_title (send->name ());
2180                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2181                         w->set_title (generate_processor_title (plugin_insert));
2182                 }
2183         }
2184 }
2185
2186 string
2187 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2188 {
2189         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2190         string::size_type email_pos;
2191
2192         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2193                 maker = maker.substr (0, email_pos - 1);
2194         }
2195
2196         if (maker.length() > 32) {
2197                 maker = maker.substr (0, 32);
2198                 maker += " ...";
2199         }
2200
2201         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
2202 }
2203
2204 void
2205 ProcessorBox::on_size_allocate (Allocation& a)
2206 {
2207         HBox::on_size_allocate (a);
2208
2209         list<ProcessorEntry*> children = processor_display.children ();
2210         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2211                 (*i)->set_pixel_width (a.get_width ());
2212         }
2213 }
2214
2215 /** @param p Processor.
2216  *  @return the UI window for \a p.
2217  */
2218 Window *
2219 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2220 {
2221         list<ProcessorWindowProxy*>::const_iterator i = _processor_window_proxies.begin ();
2222         while (i != _processor_window_proxies.end()) {
2223                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2224                 if (t && t == p) {
2225                         return (*i)->get ();
2226                 }
2227
2228                 ++i;
2229         }
2230
2231         /* we shouldn't get here, because the ProcessorUIList should always contain
2232            an entry for each processor.
2233         */
2234         assert (false);
2235         return 0;
2236 }
2237
2238 /** Make a note of the UI window that a processor is using.
2239  *  @param p Processor.
2240  *  @param w UI window.
2241  */
2242 void
2243 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2244 {
2245         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
2246
2247         p->set_ui (w);
2248
2249         while (i != _processor_window_proxies.end()) {
2250                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2251                 if (t && t == p) {
2252                         (*i)->set (w);
2253                         return;
2254                 }
2255
2256                 ++i;
2257         }
2258
2259         /* we shouldn't get here, because the ProcessorUIList should always contain
2260            an entry for each processor.
2261         */
2262         assert (false);
2263 }
2264
2265 void
2266 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2267 {
2268         boost::shared_ptr<Delivery> d = w.lock ();
2269         if (!d) {
2270                 return;
2271         }
2272
2273         list<ProcessorEntry*> children = processor_display.children ();
2274         list<ProcessorEntry*>::const_iterator i = children.begin();
2275         while (i != children.end() && (*i)->processor() != d) {
2276                 ++i;
2277         }
2278
2279         if (i == children.end()) {
2280                 processor_display.set_active (0);
2281         } else {
2282                 processor_display.set_active (*i);
2283         }
2284 }
2285
2286 void
2287 ProcessorBox::hide_things ()
2288 {
2289         list<ProcessorEntry*> c = processor_display.children ();
2290         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2291                 (*i)->hide_things ();
2292         }
2293 }
2294
2295 void
2296 ProcessorBox::processor_menu_unmapped ()
2297 {
2298         processor_display.remove_placeholder ();
2299 }
2300
2301 ProcessorWindowProxy::ProcessorWindowProxy (
2302         string const & name,
2303         XMLNode const * node,
2304         ProcessorBox* box,
2305         boost::weak_ptr<Processor> processor
2306         )
2307         : WindowProxy<Gtk::Window> (name, node)
2308         , marked (false)
2309         , _processor_box (box)
2310         , _processor (processor)
2311 {
2312
2313 }
2314
2315
2316 void
2317 ProcessorWindowProxy::show ()
2318 {
2319         boost::shared_ptr<Processor> p = _processor.lock ();
2320         if (!p) {
2321                 return;
2322         }
2323
2324         _processor_box->toggle_edit_processor (p);
2325 }
2326