drastic overhaul of keyboard handling in mixer window. real bindings, key events...
[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
709         bool ret = false;
710         ProcSelection targets;
711
712         get_selected_processors (targets);
713
714         if (targets.empty()) {
715
716                 int x, y;
717                 processor_display.get_pointer (x, y);
718
719                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
720
721                 if (pointer.first) {
722                         targets.push_back (pointer.first->processor ());
723                 }
724         }
725
726         switch (op) {
727         case ProcessorsSelectAll:
728                 processor_display.select_all ();
729                 break;
730
731         case ProcessorsCopy:
732                 copy_processors (targets);
733                 break;
734
735         case ProcessorsCut:
736                 cut_processors (targets);
737                 break;
738
739         case ProcessorsPaste:
740                 if (targets.empty()) {
741                         paste_processors ();
742                 } else {
743                         paste_processors (targets.front());
744                 }
745                 break;
746
747         case ProcessorsDelete:
748                 delete_processors (targets);
749                 break;
750
751         case ProcessorsToggleActive:
752                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
753                         if ((*i)->active()) {
754                                 (*i)->deactivate ();
755                         } else {
756                                 (*i)->activate ();
757                         }
758                 }
759                 ret = true;
760                 break;
761
762         case ProcessorsAB:
763                 ab_plugins ();
764                 break;
765
766         default:
767                 break;
768         }
769 }
770
771 bool
772 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
773 {
774         boost::shared_ptr<Processor> processor;
775         if (child) {
776                 processor = child->processor ();
777         }
778
779         int ret = false;
780         bool selected = processor_display.selected (child);
781
782         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
783
784                 if (_session->engine().connected()) {
785                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
786                         toggle_edit_processor (processor);
787                 }
788                 ret = true;
789
790         } else if (processor && ev->button == 1 && selected) {
791
792                 // this is purely informational but necessary for route params UI
793                 ProcessorSelected (processor); // emit
794
795         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
796
797                 choose_plugin ();
798                 _get_plugin_selector()->show_manager ();
799         }
800
801         return ret;
802 }
803
804 bool
805 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
806 {
807         boost::shared_ptr<Processor> processor;
808         if (child) {
809                 processor = child->processor ();
810         }
811
812         if (processor && Keyboard::is_delete_event (ev)) {
813
814                 Glib::signal_idle().connect (sigc::bind (
815                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
816                                 boost::weak_ptr<Processor>(processor)));
817
818         } else if (Keyboard::is_context_menu_event (ev)) {
819
820                 show_processor_menu (ev->time);
821
822         } else if (processor && Keyboard::is_button2_event (ev)
823 #ifndef GTKOSX
824                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
825 #endif
826                 ) {
827
828                 /* button2-click with no/appropriate modifiers */
829
830                 if (processor->active()) {
831                         processor->deactivate ();
832                 } else {
833                         processor->activate ();
834                 }
835         }
836
837         return false;
838 }
839
840 Menu *
841 ProcessorBox::build_processor_menu ()
842 {
843         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
844         processor_menu->set_name ("ArdourContextMenu");
845         return processor_menu;
846 }
847
848 void
849 ProcessorBox::selection_changed ()
850 {
851         const bool sensitive = !processor_display.selection().empty();
852         ActionManager::set_sensitive(ActionManager::plugin_selection_sensitive_actions,
853                                      sensitive);
854         edit_action->set_sensitive(one_processor_can_be_edited());
855
856         const bool single_selection = (processor_display.selection().size() == 1);
857
858         boost::shared_ptr<PluginInsert> pi;
859         if (single_selection) {
860                 pi = boost::dynamic_pointer_cast<PluginInsert>(
861                         processor_display.selection().front()->processor());
862         }
863
864         /* enable gui for plugin inserts with editors */
865         controls_action->set_sensitive(pi && pi->plugin()->has_editor());
866
867         /* disallow rename for multiple selections and for plugin inserts */
868         rename_action->set_sensitive(single_selection && pi);
869 }
870
871 void
872 ProcessorBox::select_all_processors ()
873 {
874         processor_display.select_all ();
875 }
876
877 void
878 ProcessorBox::deselect_all_processors ()
879 {
880         processor_display.select_none ();
881 }
882
883 void
884 ProcessorBox::choose_plugin ()
885 {
886         _get_plugin_selector()->set_interested_object (*this);
887 }
888
889 /** @return true if an error occurred, otherwise false */
890 bool
891 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
892 {
893         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
894
895                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
896
897                 Route::ProcessorStreams err_streams;
898
899                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
900                         weird_plugin_dialog (**p, err_streams);
901                         return true;
902                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
903                 } else {
904
905                         if (Profile->get_sae()) {
906                                 processor->activate ();
907                         }
908                 }
909         }
910
911         return false;
912 }
913
914 void
915 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
916 {
917         ArdourDialog dialog (_("Plugin Incompatibility"));
918         Label label;
919
920         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
921                         p.name(), streams.index);
922
923         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
924         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
925
926         text += _("\nThis plugin has:\n");
927         if (has_midi) {
928                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
929                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
930         }
931         if (has_audio) {
932                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
933                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
934         }
935
936         text += _("\nbut at the insertion point, there are:\n");
937         if (has_midi) {
938                 uint32_t const n = streams.count.n_midi ();
939                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
940         }
941         if (has_audio) {
942                 uint32_t const n = streams.count.n_audio ();
943                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
944         }
945
946         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
947         label.set_text(text);
948
949         dialog.get_vbox()->pack_start (label);
950         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
951
952         dialog.set_name (X_("PluginIODialog"));
953         dialog.set_position (Gtk::WIN_POS_MOUSE);
954         dialog.set_modal (true);
955         dialog.show_all ();
956
957         dialog.run ();
958 }
959
960 void
961 ProcessorBox::choose_insert ()
962 {
963         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
964         _route->add_processor_by_index (processor, _placement);
965 }
966
967 /* Caller must not hold process lock */
968 void
969 ProcessorBox::choose_send ()
970 {
971         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable(), _route->mute_master()));
972
973         /* make an educated guess at the initial number of outputs for the send */
974         ChanCount outs = (_session->master_out())
975                         ? _session->master_out()->n_outputs()
976                         : _route->n_outputs();
977
978         /* XXX need processor lock on route */
979         try {
980                 Glib::Mutex::Lock lm (AudioEngine::instance()->process_lock());
981                 send->output()->ensure_io (outs, false, this);
982         } catch (AudioEngine::PortRegistrationFailure& err) {
983                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
984                 return;
985         }
986
987         /* let the user adjust the IO setup before creation.
988
989            Note: this dialog is NOT modal - we just leave it to run and it will
990            return when its Finished signal is emitted - typically when the window
991            is closed.
992          */
993
994         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
995         ios->show ();
996
997         /* keep a reference to the send so it doesn't get deleted while
998            the IOSelectorWindow is doing its stuff
999         */
1000         _processor_being_created = send;
1001
1002         ios->selector().Finished.connect (sigc::bind (
1003                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1004                         boost::weak_ptr<Processor>(send), ios));
1005
1006 }
1007
1008 void
1009 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1010 {
1011         boost::shared_ptr<Processor> processor (weak_processor.lock());
1012
1013         /* drop our temporary reference to the new send */
1014         _processor_being_created.reset ();
1015
1016         if (!processor) {
1017                 return;
1018         }
1019
1020         switch (r) {
1021         case IOSelector::Cancelled:
1022                 // processor will go away when all shared_ptrs to it vanish
1023                 break;
1024
1025         case IOSelector::Accepted:
1026                 _route->add_processor_by_index (processor, _placement);
1027                 if (Profile->get_sae()) {
1028                         processor->activate ();
1029                 }
1030                 break;
1031         }
1032
1033         delete_when_idle (ios);
1034 }
1035
1036 void
1037 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1038 {
1039         boost::shared_ptr<Processor> processor (weak_processor.lock());
1040
1041         /* drop our temporary reference to the new return */
1042         _processor_being_created.reset ();
1043
1044         if (!processor) {
1045                 return;
1046         }
1047
1048         switch (r) {
1049         case IOSelector::Cancelled:
1050                 // processor will go away when all shared_ptrs to it vanish
1051                 break;
1052
1053         case IOSelector::Accepted:
1054                 _route->add_processor_by_index (processor, _placement);
1055                 if (Profile->get_sae()) {
1056                         processor->activate ();
1057                 }
1058                 break;
1059         }
1060
1061         delete_when_idle (ios);
1062 }
1063
1064 void
1065 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1066 {
1067         if (!_route) {
1068                 return;
1069         }
1070
1071         boost::shared_ptr<Route> target = wr.lock();
1072
1073         if (!target) {
1074                 return;
1075         }
1076
1077         boost::shared_ptr<RouteList> rlist (new RouteList);
1078         rlist->push_back (_route);
1079
1080         _session->add_internal_sends (target, PreFader, rlist);
1081 }
1082
1083 void
1084 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1085 {
1086         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1087                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1088                 return;
1089         }
1090
1091         redisplay_processors ();
1092 }
1093
1094 void
1095 ProcessorBox::redisplay_processors ()
1096 {
1097         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors)
1098
1099         if (no_processor_redisplay) {
1100                 return;
1101         }
1102
1103         processor_display.clear ();
1104
1105         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1106
1107         for (list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin(); i != _processor_window_proxies.end(); ++i) {
1108                 (*i)->marked = false;
1109         }
1110
1111         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1112
1113         /* trim dead wood from the processor window proxy list */
1114
1115         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin();
1116         while (i != _processor_window_proxies.end()) {
1117                 list<ProcessorWindowProxy*>::iterator j = i;
1118                 ++j;
1119
1120                 if (!(*i)->marked) {
1121                         ARDOUR_UI::instance()->remove_window_proxy (*i);
1122                         delete *i;
1123                         _processor_window_proxies.erase (i);
1124                 }
1125
1126                 i = j;
1127         }
1128
1129         setup_entry_positions ();
1130 }
1131
1132 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1133  *  not already have one.
1134  */
1135 void
1136 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1137 {
1138         boost::shared_ptr<Processor> p = w.lock ();
1139         if (!p) {
1140                 return;
1141         }
1142
1143         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
1144         while (i != _processor_window_proxies.end()) {
1145
1146                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
1147
1148                 if (p == t) {
1149                         /* this processor is already on the list; done */
1150                         (*i)->marked = true;
1151                         return;
1152                 }
1153
1154                 ++i;
1155         }
1156
1157         /* not on the list; add it */
1158
1159         string loc;
1160         if (_parent_strip) {
1161                 if (_parent_strip->mixer_owned()) {
1162                         loc = X_("M");
1163                 } else {
1164                         loc = X_("R");
1165                 }
1166         } else {
1167                 loc = X_("P");
1168         }
1169
1170         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1171                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1172                 _session->extra_xml (X_("UI")),
1173                 this,
1174                 w);
1175
1176         wp->marked = true;
1177
1178         /* if the processor already has an existing UI,
1179            note that so that we don't recreate it
1180         */
1181
1182         void* existing_ui = p->get_ui ();
1183
1184         if (existing_ui) {
1185                 wp->set (static_cast<Gtk::Window*>(existing_ui));
1186         }
1187
1188         _processor_window_proxies.push_back (wp);
1189         ARDOUR_UI::instance()->add_window_proxy (wp);
1190 }
1191
1192 void
1193 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1194 {
1195         boost::shared_ptr<Processor> processor (p.lock ());
1196
1197         if (!processor || !processor->display_to_user()) {
1198                 return;
1199         }
1200
1201         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1202         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1203         ProcessorEntry* e = 0;
1204         if (send) {
1205                 e = new SendProcessorEntry (send, _width);
1206         } else if (plugin_insert) {
1207                 e = new PluginInsertProcessorEntry (plugin_insert, _width);
1208         } else {
1209                 e = new ProcessorEntry (processor, _width);
1210         }
1211
1212         e->set_pixel_width (get_allocation().get_width());
1213         processor_display.add_child (e);
1214 }
1215
1216
1217 void
1218 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
1219 {
1220         string tip(start);
1221
1222         list<ProcessorEntry*> children = processor_display.children ();
1223         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1224                 tip += '\n';
1225                 tip += (*i)->processor()->name();
1226         }
1227
1228         ARDOUR_UI::instance()->set_tip (box, tip);
1229 }
1230
1231 void
1232 ProcessorBox::reordered ()
1233 {
1234         compute_processor_sort_keys ();
1235         setup_entry_positions ();
1236 }
1237
1238 void
1239 ProcessorBox::setup_entry_positions ()
1240 {
1241         list<ProcessorEntry*> children = processor_display.children ();
1242         bool pre_fader = true;
1243
1244         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1245                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1246                         pre_fader = false;
1247                         (*i)->set_position (ProcessorEntry::Fader);
1248                 } else {
1249                         if (pre_fader) {
1250                                 (*i)->set_position (ProcessorEntry::PreFader);
1251                         } else {
1252                                 (*i)->set_position (ProcessorEntry::PostFader);
1253                         }
1254                 }
1255         }
1256 }
1257
1258 void
1259 ProcessorBox::compute_processor_sort_keys ()
1260 {
1261         list<ProcessorEntry*> children = processor_display.children ();
1262         Route::ProcessorList our_processors;
1263
1264         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
1265                 our_processors.push_back ((*iter)->processor ());
1266         }
1267
1268         if (_route->reorder_processors (our_processors)) {
1269                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1270                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1271                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1272                    when the drag is torn down after this handler function is finished.
1273                 */
1274                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1275         }
1276 }
1277
1278 void
1279 ProcessorBox::report_failed_reorder ()
1280 {
1281         /* reorder failed, so redisplay */
1282
1283         redisplay_processors ();
1284
1285         /* now tell them about the problem */
1286
1287         ArdourDialog dialog (_("Plugin Incompatibility"));
1288         Label label;
1289
1290         label.set_text (_("\
1291 You cannot reorder these plugins/sends/inserts\n\
1292 in that way because the inputs and\n\
1293 outputs will not work correctly."));
1294
1295         dialog.get_vbox()->set_border_width (12);
1296         dialog.get_vbox()->pack_start (label);
1297         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1298
1299         dialog.set_name (X_("PluginIODialog"));
1300         dialog.set_position (Gtk::WIN_POS_MOUSE);
1301         dialog.set_modal (true);
1302         dialog.show_all ();
1303
1304         dialog.run ();
1305 }
1306
1307 void
1308 ProcessorBox::rename_processors ()
1309 {
1310         ProcSelection to_be_renamed;
1311
1312         get_selected_processors (to_be_renamed);
1313
1314         if (to_be_renamed.empty()) {
1315                 return;
1316         }
1317
1318         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1319                 rename_processor (*i);
1320         }
1321 }
1322
1323 bool
1324 ProcessorBox::can_cut () const
1325 {
1326         vector<boost::shared_ptr<Processor> > sel;
1327
1328         get_selected_processors (sel);
1329
1330         /* cut_processors () does not cut inserts */
1331
1332         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1333
1334                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1335                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1336                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1337                         return true;
1338                 }
1339         }
1340
1341         return false;
1342 }
1343
1344 void
1345 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1346 {
1347         if (to_be_removed.empty()) {
1348                 return;
1349         }
1350
1351         XMLNode* node = new XMLNode (X_("cut"));
1352         Route::ProcessorList to_cut;
1353
1354         no_processor_redisplay = true;
1355         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
1356                 // Cut only plugins, sends and returns
1357                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1358                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1359                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1360
1361                         Window* w = get_processor_ui (*i);
1362
1363                         if (w) {
1364                                 w->hide ();
1365                         }
1366
1367                         XMLNode& child ((*i)->get_state());
1368                         node->add_child_nocopy (child);
1369                         to_cut.push_back (*i);
1370                 }
1371         }
1372
1373         if (_route->remove_processors (to_cut) != 0) {
1374                 delete node;
1375                 no_processor_redisplay = false;
1376                 return;
1377         }
1378
1379         _rr_selection.set (node);
1380
1381         no_processor_redisplay = false;
1382         redisplay_processors ();
1383 }
1384
1385 void
1386 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
1387 {
1388         if (to_be_copied.empty()) {
1389                 return;
1390         }
1391
1392         XMLNode* node = new XMLNode (X_("copy"));
1393
1394         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
1395                 // Copy only plugins, sends, returns
1396                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1397                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1398                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1399                         node->add_child_nocopy ((*i)->get_state());
1400                 }
1401         }
1402
1403         _rr_selection.set (node);
1404 }
1405
1406 void
1407 ProcessorBox::processors_up ()
1408 {
1409         /* unimplemented */
1410 }
1411
1412 void
1413 ProcessorBox::processors_down ()
1414 {
1415         /* unimplemented */
1416 }
1417         
1418
1419 void
1420 ProcessorBox::delete_processors (const ProcSelection& targets)
1421 {
1422         if (targets.empty()) {
1423                 return;
1424         }
1425
1426         no_processor_redisplay = true;
1427
1428         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
1429
1430                 Window* w = get_processor_ui (*i);
1431
1432                 if (w) {
1433                         w->hide ();
1434                 }
1435
1436                 _route->remove_processor(*i);
1437         }
1438
1439         no_processor_redisplay = false;
1440         redisplay_processors ();
1441 }
1442
1443 void
1444 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
1445 {
1446         list<boost::shared_ptr<Processor> >::const_iterator x;
1447
1448         no_processor_redisplay = true;
1449         for (x = procs.begin(); x != procs.end(); ++x) {
1450
1451                 Window* w = get_processor_ui (*x);
1452
1453                 if (w) {
1454                         w->hide ();
1455                 }
1456
1457                 _route->remove_processor(*x);
1458         }
1459
1460         no_processor_redisplay = false;
1461         redisplay_processors ();
1462 }
1463
1464 gint
1465 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
1466 {
1467         boost::shared_ptr<Processor> processor (weak_processor.lock());
1468
1469         if (!processor) {
1470                 return false;
1471         }
1472
1473         /* NOT copied to _mixer.selection() */
1474
1475         no_processor_redisplay = true;
1476         _route->remove_processor (processor);
1477         no_processor_redisplay = false;
1478         redisplay_processors ();
1479
1480         return false;
1481 }
1482
1483 void
1484 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
1485 {
1486         ArdourPrompter name_prompter (true);
1487         string result;
1488         name_prompter.set_title (_("Rename Processor"));
1489         name_prompter.set_prompt (_("New name:"));
1490         name_prompter.set_initial_text (processor->name());
1491         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1492         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1493         name_prompter.show_all ();
1494
1495         switch (name_prompter.run ()) {
1496
1497         case Gtk::RESPONSE_ACCEPT:
1498                 name_prompter.get_result (result);
1499                 if (result.length()) {
1500
1501                        int tries = 0;
1502                        string test = result;
1503
1504                        while (tries < 100) {
1505                                if (_session->io_name_is_legal (test)) {
1506                                        result = test;
1507                                        break;
1508                                }
1509                                tries++;
1510
1511                                test = string_compose ("%1-%2", result, tries);
1512                        }
1513
1514                        if (tries < 100) {
1515                                processor->set_name (result);
1516                        } else {
1517                                /* unlikely! */
1518                                ARDOUR_UI::instance()->popup_error
1519                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
1520                        }
1521                 }
1522                 break;
1523         }
1524
1525         return;
1526 }
1527
1528 void
1529 ProcessorBox::paste_processors ()
1530 {
1531         if (_rr_selection.processors.empty()) {
1532                 return;
1533         }
1534
1535         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
1536 }
1537
1538 void
1539 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
1540 {
1541
1542         if (_rr_selection.processors.empty()) {
1543                 return;
1544         }
1545
1546         paste_processor_state (_rr_selection.processors.get_node().children(), before);
1547 }
1548
1549 void
1550 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
1551 {
1552         XMLNodeConstIterator niter;
1553         list<boost::shared_ptr<Processor> > copies;
1554
1555         if (nlist.empty()) {
1556                 return;
1557         }
1558
1559         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
1560
1561                 XMLProperty const * type = (*niter)->property ("type");
1562                 assert (type);
1563
1564                 boost::shared_ptr<Processor> p;
1565                 try {
1566                         if (type->value() == "meter" ||
1567                             type->value() == "main-outs" ||
1568                             type->value() == "amp" ||
1569                             type->value() == "intsend" || type->value() == "intreturn") {
1570                                 /* do not paste meter, main outs, amp or internal send/returns */
1571                                 continue;
1572
1573                         } else if (type->value() == "send") {
1574
1575                                 XMLNode n (**niter);
1576                                 Send::make_unique (n, *_session);
1577                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
1578                                 if (s->set_state (n, Stateful::loading_state_version)) {
1579                                         delete s;
1580                                         return;
1581                                 }
1582
1583                                 p.reset (s);
1584
1585
1586                         } else if (type->value() == "return") {
1587
1588                                 XMLNode n (**niter);
1589                                 Return::make_unique (n, *_session);
1590                                 Return* r = new Return (*_session);
1591
1592                                 if (r->set_state (n, Stateful::loading_state_version)) {
1593                                         delete r;
1594                                         return;
1595                                 }
1596
1597                                 p.reset (r);
1598
1599                         } else if (type->value() == "port") {
1600
1601                                 XMLNode n (**niter);
1602                                 p.reset (new PortInsert (*_session, _route->pannable (), _route->mute_master ()));
1603                                 if (p->set_state (n, Stateful::loading_state_version)) {
1604                                         return;
1605                                 }
1606
1607                         } else {
1608                                 /* XXX its a bit limiting to assume that everything else
1609                                    is a plugin.
1610                                 */
1611
1612                                 p.reset (new PluginInsert (*_session));
1613                                 p->set_state (**niter, Stateful::current_state_version);
1614                         }
1615
1616                         copies.push_back (p);
1617                 }
1618
1619                 catch (...) {
1620                         cerr << "plugin insert constructor failed\n";
1621                 }
1622         }
1623
1624         if (copies.empty()) {
1625                 return;
1626         }
1627
1628         if (_route->add_processors (copies, p)) {
1629
1630                 string msg = _(
1631                         "Copying the set of processors on the clipboard failed,\n\
1632 probably because the I/O configuration of the plugins\n\
1633 could not match the configuration of this track.");
1634                 MessageDialog am (msg);
1635                 am.run ();
1636         }
1637 }
1638
1639 void
1640 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
1641 {
1642         r->activate ();
1643 }
1644
1645 void
1646 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
1647 {
1648         r->deactivate ();
1649 }
1650
1651 void
1652 ProcessorBox::get_selected_processors (ProcSelection& processors) const
1653 {
1654         const list<ProcessorEntry*> selection = processor_display.selection ();
1655         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
1656                 processors.push_back ((*i)->processor ());
1657         }
1658 }
1659
1660 void
1661 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1662 {
1663         list<ProcessorEntry*> selection = processor_display.selection ();
1664         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
1665                 (this->*method) ((*i)->processor ());
1666         }
1667 }
1668
1669 void
1670 ProcessorBox::all_processors_active (bool state)
1671 {
1672         _route->all_processors_active (PreFader, state);
1673         _route->all_processors_active (PostFader, state);
1674 }
1675
1676 void
1677 ProcessorBox::ab_plugins ()
1678 {
1679         _route->ab_plugins (ab_direction);
1680         ab_direction = !ab_direction;
1681 }
1682
1683
1684 void
1685 ProcessorBox::clear_processors ()
1686 {
1687         string prompt;
1688         vector<string> choices;
1689
1690         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
1691                                    "(this cannot be undone)"), _route->name());
1692
1693         choices.push_back (_("Cancel"));
1694         choices.push_back (_("Yes, remove them all"));
1695
1696         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1697
1698         if (prompter.run () == 1) {
1699                 _route->clear_processors (PreFader);
1700                 _route->clear_processors (PostFader);
1701         }
1702 }
1703
1704 void
1705 ProcessorBox::clear_processors (Placement p)
1706 {
1707         string prompt;
1708         vector<string> choices;
1709
1710         if (p == PreFader) {
1711                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
1712                                            "(this cannot be undone)"), _route->name());
1713         } else {
1714                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
1715                                            "(this cannot be undone)"), _route->name());
1716         }
1717
1718         choices.push_back (_("Cancel"));
1719         choices.push_back (_("Yes, remove them all"));
1720
1721         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1722
1723         if (prompter.run () == 1) {
1724                 _route->clear_processors (p);
1725         }
1726 }
1727
1728 bool
1729 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
1730 {
1731         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
1732         if (at && at->freeze_state() == AudioTrack::Frozen) {
1733                 return false;
1734         }
1735
1736         if (
1737                 (boost::dynamic_pointer_cast<Send> (processor) && !boost::dynamic_pointer_cast<InternalSend> (processor))||
1738                 boost::dynamic_pointer_cast<Return> (processor) ||
1739                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
1740                 boost::dynamic_pointer_cast<PortInsert> (processor)
1741                 ) {
1742                 return true;
1743         }
1744
1745         return false;
1746 }
1747
1748 bool
1749 ProcessorBox::one_processor_can_be_edited ()
1750 {
1751         list<ProcessorEntry*> selection = processor_display.selection ();
1752         list<ProcessorEntry*>::iterator i = selection.begin();
1753         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
1754                 ++i;
1755         }
1756
1757         return (i != selection.end());
1758 }
1759
1760 void
1761 ProcessorBox::toggle_edit_processor (boost::shared_ptr<Processor> processor)
1762 {
1763         boost::shared_ptr<Send> send;
1764         boost::shared_ptr<InternalSend> internal_send;
1765         boost::shared_ptr<Return> retrn;
1766         boost::shared_ptr<PluginInsert> plugin_insert;
1767         boost::shared_ptr<PortInsert> port_insert;
1768         Window* gidget = 0;
1769
1770         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1771
1772                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1773                         return;
1774                 }
1775         }
1776
1777         if (boost::dynamic_pointer_cast<Amp> (processor)) {
1778
1779                 if (_parent_strip) {
1780                         _parent_strip->revert_to_default_display ();
1781                 }
1782
1783         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1784
1785                 if (!_session->engine().connected()) {
1786                         return;
1787                 }
1788
1789                 SendUIWindow* w = new SendUIWindow (send, _session);
1790                 w->show ();
1791
1792         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
1793
1794                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
1795                         /* no GUI for these */
1796                         return;
1797                 }
1798
1799                 if (!_session->engine().connected()) {
1800                         return;
1801                 }
1802
1803                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
1804
1805                 ReturnUIWindow *return_ui;
1806                 Window* w = get_processor_ui (retrn);
1807
1808                 if (w == 0) {
1809
1810                         return_ui = new ReturnUIWindow (retrn, _session);
1811                         return_ui->set_title (retrn->name ());
1812                         set_processor_ui (send, return_ui);
1813
1814                 } else {
1815                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
1816                 }
1817
1818                 gidget = return_ui;
1819
1820         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1821
1822                 PluginUIWindow *plugin_ui;
1823
1824                 /* these are both allowed to be null */
1825
1826                 Container* toplevel = get_toplevel();
1827                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1828
1829                 Window* w = get_processor_ui (plugin_insert);
1830
1831                 if (w == 0) {
1832
1833                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1834                         plugin_ui->set_title (generate_processor_title (plugin_insert));
1835                         set_processor_ui (plugin_insert, plugin_ui);
1836
1837                 } else {
1838                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
1839                         plugin_ui->set_parent (win);
1840                 }
1841
1842                 gidget = plugin_ui;
1843
1844         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1845
1846                 if (!_session->engine().connected()) {
1847                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1848                         msg.run ();
1849                         return;
1850                 }
1851
1852                 PortInsertWindow *io_selector;
1853
1854                 Window* w = get_processor_ui (port_insert);
1855
1856                 if (w == 0) {
1857                         io_selector = new PortInsertWindow (_session, port_insert);
1858                         set_processor_ui (port_insert, io_selector);
1859
1860                 } else {
1861                         io_selector = dynamic_cast<PortInsertWindow *> (w);
1862                 }
1863
1864                 gidget = io_selector;
1865         }
1866
1867         if (gidget) {
1868                 if (gidget->is_visible()) {
1869                         gidget->hide ();
1870                 } else {
1871                         gidget->show_all ();
1872                         gidget->present ();
1873                 }
1874         }
1875 }
1876
1877 void
1878 ProcessorBox::toggle_processor_controls (boost::shared_ptr<Processor> processor)
1879 {
1880         boost::shared_ptr<PluginInsert> plugin_insert
1881                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
1882         if (!plugin_insert) {
1883                 return;
1884         }
1885
1886         Container*      toplevel  = get_toplevel();
1887         Window*         win       = dynamic_cast<Gtk::Window*>(toplevel);
1888         PluginUIWindow* plugin_ui = new PluginUIWindow(win, plugin_insert, true, false);
1889         plugin_ui->set_title(generate_processor_title (plugin_insert));
1890
1891         if (plugin_ui->is_visible()) {
1892                 plugin_ui->hide();
1893         } else {
1894                 plugin_ui->show_all();
1895                 plugin_ui->present();
1896         }
1897 }
1898
1899 void
1900 ProcessorBox::register_actions ()
1901 {
1902         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("ProcessorMenu"));
1903         Glib::RefPtr<Action> act;
1904
1905         /* new stuff */
1906         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
1907                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1908
1909         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
1910                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1911         ActionManager::jack_sensitive_actions.push_back (act);
1912         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),
1913                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
1914         ActionManager::jack_sensitive_actions.push_back (act);
1915
1916         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
1917
1918         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
1919                         sigc::ptr_fun (ProcessorBox::rb_clear));
1920         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
1921                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
1922         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
1923                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
1924
1925         /* standard editing stuff */
1926         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
1927                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
1928         ActionManager::plugin_selection_sensitive_actions.push_back(cut_action);
1929         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
1930                         sigc::ptr_fun (ProcessorBox::rb_copy));
1931         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1932
1933         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
1934                         sigc::ptr_fun (ProcessorBox::rb_delete));
1935         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1936
1937         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
1938                         sigc::ptr_fun (ProcessorBox::rb_paste));
1939         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
1940                         sigc::ptr_fun (ProcessorBox::rb_rename));
1941         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
1942                         sigc::ptr_fun (ProcessorBox::rb_select_all));
1943         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
1944                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1945
1946         /* activation etc. */
1947
1948         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),
1949                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
1950         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),
1951                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1952         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
1953                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
1954
1955         /* show editors */
1956         edit_action = ActionManager::register_action (
1957                 popup_act_grp, X_("edit"), _("Edit..."),
1958                 sigc::ptr_fun (ProcessorBox::rb_edit));
1959
1960         /* show plugin GUI */
1961         controls_action = ActionManager::register_action (
1962                         popup_act_grp, X_("controls"), _("Controls..."),
1963                         sigc::ptr_fun (ProcessorBox::rb_controls));
1964
1965         ActionManager::add_action_group (popup_act_grp);
1966 }
1967
1968 void
1969 ProcessorBox::rb_ab_plugins ()
1970 {
1971         if (_current_processor_box == 0) {
1972                 return;
1973         }
1974
1975         _current_processor_box->ab_plugins ();
1976 }
1977
1978 void
1979 ProcessorBox::rb_choose_plugin ()
1980 {
1981         if (_current_processor_box == 0) {
1982                 return;
1983         }
1984         _current_processor_box->choose_plugin ();
1985 }
1986
1987 void
1988 ProcessorBox::rb_choose_insert ()
1989 {
1990         if (_current_processor_box == 0) {
1991                 return;
1992         }
1993         _current_processor_box->choose_insert ();
1994 }
1995
1996 void
1997 ProcessorBox::rb_choose_send ()
1998 {
1999         if (_current_processor_box == 0) {
2000                 return;
2001         }
2002         _current_processor_box->choose_send ();
2003 }
2004
2005 void
2006 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2007 {
2008         if (_current_processor_box == 0) {
2009                 return;
2010         }
2011
2012         _current_processor_box->choose_aux (wr);
2013 }
2014
2015 void
2016 ProcessorBox::rb_clear ()
2017 {
2018         if (_current_processor_box == 0) {
2019                 return;
2020         }
2021
2022         _current_processor_box->clear_processors ();
2023 }
2024
2025
2026 void
2027 ProcessorBox::rb_clear_pre ()
2028 {
2029         if (_current_processor_box == 0) {
2030                 return;
2031         }
2032
2033         _current_processor_box->clear_processors (PreFader);
2034 }
2035
2036
2037 void
2038 ProcessorBox::rb_clear_post ()
2039 {
2040         if (_current_processor_box == 0) {
2041                 return;
2042         }
2043
2044         _current_processor_box->clear_processors (PostFader);
2045 }
2046
2047 void
2048 ProcessorBox::rb_cut ()
2049 {
2050         if (_current_processor_box == 0) {
2051                 return;
2052         }
2053
2054         _current_processor_box->processor_operation (ProcessorsCut);
2055 }
2056
2057 void
2058 ProcessorBox::rb_delete ()
2059 {
2060         if (_current_processor_box == 0) {
2061                 return;
2062         }
2063
2064         _current_processor_box->processor_operation (ProcessorsDelete);
2065 }
2066
2067 void
2068 ProcessorBox::rb_copy ()
2069 {
2070         if (_current_processor_box == 0) {
2071                 return;
2072         }
2073         _current_processor_box->processor_operation (ProcessorsCopy);
2074 }
2075
2076 void
2077 ProcessorBox::rb_paste ()
2078 {
2079         if (_current_processor_box == 0) {
2080                 return;
2081         }
2082
2083         _current_processor_box->processor_operation (ProcessorsPaste);
2084 }
2085
2086 void
2087 ProcessorBox::rb_rename ()
2088 {
2089         if (_current_processor_box == 0) {
2090                 return;
2091         }
2092         _current_processor_box->rename_processors ();
2093 }
2094
2095 void
2096 ProcessorBox::rb_select_all ()
2097 {
2098         if (_current_processor_box == 0) {
2099                 return;
2100         }
2101
2102         _current_processor_box->processor_operation (ProcessorsSelectAll);
2103 }
2104
2105 void
2106 ProcessorBox::rb_deselect_all ()
2107 {
2108         if (_current_processor_box == 0) {
2109                 return;
2110         }
2111
2112         _current_processor_box->deselect_all_processors ();
2113 }
2114
2115 void
2116 ProcessorBox::rb_activate_all ()
2117 {
2118         if (_current_processor_box == 0) {
2119                 return;
2120         }
2121
2122         _current_processor_box->all_processors_active (true);
2123 }
2124
2125 void
2126 ProcessorBox::rb_deactivate_all ()
2127 {
2128         if (_current_processor_box == 0) {
2129                 return;
2130         }
2131         _current_processor_box->all_processors_active (false);
2132 }
2133
2134 void
2135 ProcessorBox::rb_edit ()
2136 {
2137         if (_current_processor_box == 0) {
2138                 return;
2139         }
2140
2141         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_processor);
2142 }
2143
2144 void
2145 ProcessorBox::rb_controls ()
2146 {
2147         if (_current_processor_box == 0) {
2148                 return;
2149         }
2150
2151         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_processor_controls);
2152 }
2153
2154 void
2155 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2156 {
2157         if (!what_changed.contains (ARDOUR::Properties::name)) {
2158                 return;
2159         }
2160
2161         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2162
2163         boost::shared_ptr<Processor> processor;
2164         boost::shared_ptr<PluginInsert> plugin_insert;
2165         boost::shared_ptr<Send> send;
2166
2167         list<ProcessorEntry*> children = processor_display.children();
2168
2169         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2170
2171                 processor = (*iter)->processor ();
2172
2173                 Window* w = get_processor_ui (processor);
2174
2175                 if (!w) {
2176                         continue;
2177                 }
2178
2179                 /* rename editor windows for sends and plugins */
2180
2181                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2182                         w->set_title (send->name ());
2183                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2184                         w->set_title (generate_processor_title (plugin_insert));
2185                 }
2186         }
2187 }
2188
2189 string
2190 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2191 {
2192         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2193         string::size_type email_pos;
2194
2195         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2196                 maker = maker.substr (0, email_pos - 1);
2197         }
2198
2199         if (maker.length() > 32) {
2200                 maker = maker.substr (0, 32);
2201                 maker += " ...";
2202         }
2203
2204         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
2205 }
2206
2207 void
2208 ProcessorBox::on_size_allocate (Allocation& a)
2209 {
2210         HBox::on_size_allocate (a);
2211
2212         list<ProcessorEntry*> children = processor_display.children ();
2213         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2214                 (*i)->set_pixel_width (a.get_width ());
2215         }
2216 }
2217
2218 /** @param p Processor.
2219  *  @return the UI window for \a p.
2220  */
2221 Window *
2222 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2223 {
2224         list<ProcessorWindowProxy*>::const_iterator i = _processor_window_proxies.begin ();
2225         while (i != _processor_window_proxies.end()) {
2226                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2227                 if (t && t == p) {
2228                         return (*i)->get ();
2229                 }
2230
2231                 ++i;
2232         }
2233
2234         /* we shouldn't get here, because the ProcessorUIList should always contain
2235            an entry for each processor.
2236         */
2237         assert (false);
2238         return 0;
2239 }
2240
2241 /** Make a note of the UI window that a processor is using.
2242  *  @param p Processor.
2243  *  @param w UI window.
2244  */
2245 void
2246 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2247 {
2248         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
2249
2250         p->set_ui (w);
2251
2252         while (i != _processor_window_proxies.end()) {
2253                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2254                 if (t && t == p) {
2255                         (*i)->set (w);
2256                         return;
2257                 }
2258
2259                 ++i;
2260         }
2261
2262         /* we shouldn't get here, because the ProcessorUIList should always contain
2263            an entry for each processor.
2264         */
2265         assert (false);
2266 }
2267
2268 void
2269 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2270 {
2271         boost::shared_ptr<Delivery> d = w.lock ();
2272         if (!d) {
2273                 return;
2274         }
2275
2276         list<ProcessorEntry*> children = processor_display.children ();
2277         list<ProcessorEntry*>::const_iterator i = children.begin();
2278         while (i != children.end() && (*i)->processor() != d) {
2279                 ++i;
2280         }
2281
2282         if (i == children.end()) {
2283                 processor_display.set_active (0);
2284         } else {
2285                 processor_display.set_active (*i);
2286         }
2287 }
2288
2289 void
2290 ProcessorBox::hide_things ()
2291 {
2292         list<ProcessorEntry*> c = processor_display.children ();
2293         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2294                 (*i)->hide_things ();
2295         }
2296 }
2297
2298 void
2299 ProcessorBox::processor_menu_unmapped ()
2300 {
2301         processor_display.remove_placeholder ();
2302 }
2303
2304 ProcessorWindowProxy::ProcessorWindowProxy (
2305         string const & name,
2306         XMLNode const * node,
2307         ProcessorBox* box,
2308         boost::weak_ptr<Processor> processor
2309         )
2310         : WindowProxy<Gtk::Window> (name, node)
2311         , marked (false)
2312         , _processor_box (box)
2313         , _processor (processor)
2314 {
2315
2316 }
2317
2318
2319 void
2320 ProcessorWindowProxy::show ()
2321 {
2322         boost::shared_ptr<Processor> p = _processor.lock ();
2323         if (!p) {
2324                 return;
2325         }
2326
2327         _processor_box->toggle_edit_processor (p);
2328 }
2329