Move ARDOUR_UI::ui_scale into UIConfiguration class
[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 #include <gtkmm2ext/rgb_macros.h>
42
43 #include "ardour/amp.h"
44 #include "ardour/audio_track.h"
45 #include "ardour/audioengine.h"
46 #include "ardour/internal_return.h"
47 #include "ardour/internal_send.h"
48 #include "ardour/meter.h"
49 #include "ardour/panner_shell.h"
50 #include "ardour/plugin_insert.h"
51 #include "ardour/pannable.h"
52 #include "ardour/port_insert.h"
53 #include "ardour/profile.h"
54 #include "ardour/return.h"
55 #include "ardour/route.h"
56 #include "ardour/send.h"
57 #include "ardour/session.h"
58 #include "ardour/types.h"
59
60 #include "actions.h"
61 #include "ardour_dialog.h"
62 #include "ardour_ui.h"
63 #include "gui_thread.h"
64 #include "io_selector.h"
65 #include "keyboard.h"
66 #include "mixer_ui.h"
67 #include "mixer_strip.h"
68 #include "plugin_selector.h"
69 #include "plugin_ui.h"
70 #include "port_insert_ui.h"
71 #include "processor_box.h"
72 #include "public_editor.h"
73 #include "return_ui.h"
74 #include "route_processor_selection.h"
75 #include "send_ui.h"
76 #include "timers.h"
77
78 #include "i18n.h"
79
80 #ifdef AUDIOUNIT_SUPPORT
81 class AUPluginUI;
82 #endif
83
84 using namespace std;
85 using namespace ARDOUR;
86 using namespace PBD;
87 using namespace Gtk;
88 using namespace Glib;
89 using namespace Gtkmm2ext;
90
91 ProcessorBox* ProcessorBox::_current_processor_box = 0;
92 RefPtr<Action> ProcessorBox::paste_action;
93 RefPtr<Action> ProcessorBox::cut_action;
94 RefPtr<Action> ProcessorBox::copy_action;
95 RefPtr<Action> ProcessorBox::rename_action;
96 RefPtr<Action> ProcessorBox::delete_action;
97 RefPtr<Action> ProcessorBox::edit_action;
98 RefPtr<Action> ProcessorBox::edit_generic_action;
99
100 static const uint32_t audio_port_color = 0x4A8A0EFF; // Green
101 static const uint32_t midi_port_color = 0x960909FF; //Red
102
103 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
104         : _button (ArdourButton::led_default_elements)
105         , _position (PreFader)
106         , _position_num(0)
107         , _selectable(true)
108         , _unknown_processor(false)
109         , _parent (parent)
110         , _processor (p)
111         , _width (w)
112         , _input_icon(true)
113         , _output_icon(false)
114 {
115         _vbox.show ();
116         
117         _button.set_distinct_led_click (true);
118         _button.set_fallthrough_to_parent(true);
119         _button.set_led_left (true);
120         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
121         _button.set_text (name (_width));
122
123         if (boost::dynamic_pointer_cast<PeakMeter> (_processor)) {
124                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
125         }
126         if (boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
127                 _button.set_elements(ArdourButton::Element(_button.elements() & ~ArdourButton::Indicator));
128                 _unknown_processor = true;
129         }
130         if (_processor) {
131
132                 _vbox.pack_start (_routing_icon);
133                 _vbox.pack_start (_input_icon);
134                 _vbox.pack_start (_button, true, true);
135                 _vbox.pack_end (_output_icon);
136
137                 _button.set_active (_processor->active());
138
139                 _routing_icon.set_no_show_all(true);
140                 _input_icon.set_no_show_all(true);
141
142                 _button.show ();
143                 _routing_icon.set_visible(false);
144                 _input_icon.hide();
145                 _output_icon.show();
146
147                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
148                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
149                 _processor->ConfigurationChanged.connect (config_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_configuration_changed, this, _1, _2), gui_context());
150
151                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
152                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
153                         
154                         std::string label = _processor->describe_parameter (*i);
155
156                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
157                                 label = _("Send");
158                         } else if (boost::dynamic_pointer_cast<Return> (_processor)) {
159                                 label = _("Return");
160                         }
161
162                         Control* c = new Control (_processor->automation_control (*i), label);
163                         
164                         _controls.push_back (c);
165
166                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
167                                 /* Add non-Amp controls to the processor box */
168                                 _vbox.pack_start (c->box);
169                         }
170                 }
171
172                 _input_icon.set_ports(_processor->input_streams());
173                 _output_icon.set_ports(_processor->output_streams());
174
175                 _routing_icon.set_sources(_processor->input_streams());
176                 _routing_icon.set_sinks(_processor->output_streams());
177
178                 setup_tooltip ();
179                 setup_visuals ();
180         } else {
181                 _vbox.set_size_request (-1, _button.size_request().height);
182         }
183 }
184
185 ProcessorEntry::~ProcessorEntry ()
186 {
187         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
188                 delete *i;
189         }
190 }
191
192 EventBox&
193 ProcessorEntry::action_widget ()
194 {
195         return _button;
196 }
197
198 Gtk::Widget&
199 ProcessorEntry::widget ()
200 {
201         return _vbox;
202 }
203
204 string
205 ProcessorEntry::drag_text () const
206 {
207         return name (Wide);
208 }
209
210 void
211 ProcessorEntry::set_position (Position p, uint32_t num)
212 {
213         _position = p;
214         _position_num = num;
215
216         if (_position_num == 0 || _routing_icon.get_visible()) {
217                 _input_icon.show();
218         } else {
219                 _input_icon.hide();
220         }
221
222         setup_visuals ();
223 }
224
225 void
226 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
227 {
228         if (yn) {
229                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
230         } else {
231                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
232         }
233 }
234
235 void
236 ProcessorEntry::setup_visuals ()
237 {
238         if (_unknown_processor) {
239                 _button.set_name ("processor stub");
240                 return;
241         }
242
243         switch (_position) {
244         case PreFader:
245                 _button.set_name ("processor prefader");
246                 break;
247
248         case Fader:
249                 _button.set_name ("processor fader");
250                 break;
251
252         case PostFader:
253                 _button.set_name ("processor postfader");
254                 break;
255         }
256 }
257
258
259 boost::shared_ptr<Processor>
260 ProcessorEntry::processor () const
261 {
262         return _processor;
263 }
264
265 void
266 ProcessorEntry::set_enum_width (Width w)
267 {
268         _width = w;
269         _button.set_text (name (_width));
270 }
271
272 void
273 ProcessorEntry::led_clicked()
274 {
275         if (_processor) {
276                 if (_button.get_active ()) {
277                         _processor->deactivate ();
278                 } else {
279                         _processor->activate ();
280                 }
281         }
282 }
283
284 void
285 ProcessorEntry::processor_active_changed ()
286 {
287         if (_processor) {
288                 _button.set_active (_processor->active());
289         }
290 }
291
292 void
293 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
294 {
295         if (what_changed.contains (ARDOUR::Properties::name)) {
296                 _button.set_text (name (_width));
297                 setup_tooltip ();
298         }
299 }
300
301 void
302 ProcessorEntry::processor_configuration_changed (const ChanCount in, const ChanCount out)
303 {
304         _input_icon.set_ports(in);
305         _output_icon.set_ports(out);
306         _routing_icon.set_sources(in);
307         _routing_icon.set_sinks(out);
308         _input_icon.queue_draw();
309         _output_icon.queue_draw();
310         _routing_icon.queue_draw();
311 }
312
313 void
314 ProcessorEntry::setup_tooltip ()
315 {
316         if (_processor) {
317                 boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert> (_processor);
318                 if (pi) {
319                         std::string postfix = "";
320                         uint32_t replicated;
321                         if ((replicated = pi->get_count()) > 1) {
322                                 postfix = string_compose(_("\nThis mono plugin has been replicated %1 times."), replicated);
323                         }
324                         if (pi->plugin()->has_editor()) {
325                                 ARDOUR_UI::instance()->set_tip (_button,
326                                                 string_compose (_("<b>%1</b>\nDouble-click to show GUI.\nAlt+double-click to show generic GUI.%2"), name (Wide), postfix));
327                         } else {
328                                 ARDOUR_UI::instance()->set_tip (_button,
329                                                 string_compose (_("<b>%1</b>\nDouble-click to show generic GUI.%2"), name (Wide), postfix));
330                         }
331                         return;
332                 }
333                 if(boost::dynamic_pointer_cast<UnknownProcessor> (_processor)) {
334                         ARDOUR_UI::instance()->set_tip (_button,
335                                         string_compose (_("<b>%1</b>\nThe Plugin is not available on this system\nand has been replaced by a stub."), name (Wide)));
336                         return;
337                 }
338         }
339         ARDOUR_UI::instance()->set_tip (_button, string_compose ("<b>%1</b>", name (Wide)));
340 }
341
342 string
343 ProcessorEntry::name (Width w) const
344 {
345         boost::shared_ptr<Send> send;
346         string name_display;
347
348         if (!_processor) {
349                 return string();
350         }
351
352         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
353             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
354
355                 name_display += '>';
356
357                 /* grab the send name out of its overall name */
358
359                 string::size_type lbracket, rbracket;
360                 lbracket = send->name().find ('[');
361                 rbracket = send->name().find (']');
362
363                 switch (w) {
364                 case Wide:
365                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
366                         break;
367                 case Narrow:
368                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
369                         break;
370                 }
371
372         } else {
373                 boost::shared_ptr<ARDOUR::PluginInsert> pi;
374                 uint32_t replicated;
375                 if ((pi = boost::dynamic_pointer_cast<ARDOUR::PluginInsert> (_processor)) != 0
376                                 && (replicated = pi->get_count()) > 1)
377                 {
378                         name_display += string_compose(_("(%1x1) "), replicated);
379                 }
380
381                 switch (w) {
382                 case Wide:
383                         name_display += _processor->display_name();
384                         break;
385                 case Narrow:
386                         name_display += PBD::short_version (_processor->display_name(), 5);
387                         break;
388                 }
389
390         }
391
392         return name_display;
393 }
394
395 void
396 ProcessorEntry::show_all_controls ()
397 {
398         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
399                 (*i)->set_visible (true);
400         }
401
402         _parent->update_gui_object_state (this);
403 }
404
405 void
406 ProcessorEntry::hide_all_controls ()
407 {
408         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
409                 (*i)->set_visible (false);
410         }
411
412         _parent->update_gui_object_state (this);
413 }
414
415 void
416 ProcessorEntry::add_control_state (XMLNode* node) const
417 {
418         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
419                 (*i)->add_state (node);
420         }
421 }
422
423 void
424 ProcessorEntry::set_control_state (XMLNode const * node)
425 {
426         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
427                 (*i)->set_state (node);
428         }
429 }
430
431 string
432 ProcessorEntry::state_id () const
433 {
434         return string_compose ("processor %1", _processor->id().to_s());
435 }
436
437 void
438 ProcessorEntry::hide_things ()
439 {
440         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
441                 (*i)->hide_things ();
442         }
443 }
444
445
446 Menu *
447 ProcessorEntry::build_controls_menu ()
448 {
449         using namespace Menu_Helpers;
450         Menu* menu = manage (new Menu);
451         MenuList& items = menu->items ();
452
453         items.push_back (
454                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
455                 );
456                 
457         items.push_back (
458                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
459                 );
460
461         if (!_controls.empty ()) {
462                 items.push_back (SeparatorElem ());
463         }
464         
465         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
466                 items.push_back (CheckMenuElem ((*i)->name ()));
467                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
468                 c->set_active ((*i)->visible ());
469                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
470         }
471
472         return menu;
473 }
474
475 void
476 ProcessorEntry::toggle_control_visibility (Control* c)
477 {
478         c->set_visible (!c->visible ());
479         _parent->update_gui_object_state (this);
480 }
481
482 Menu *
483 ProcessorEntry::build_send_options_menu ()
484 {
485         using namespace Menu_Helpers;
486         Menu* menu = manage (new Menu);
487         MenuList& items = menu->items ();
488
489         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
490         if (send) {
491
492                 items.push_back (CheckMenuElem (_("Link panner controls")));
493                 Gtk::CheckMenuItem* c = dynamic_cast<Gtk::CheckMenuItem*> (&items.back ());
494                 c->set_active (send->panner_shell()->is_linked_to_route());
495                 c->signal_toggled().connect (sigc::mem_fun (*this, &ProcessorEntry::toggle_panner_link));
496
497         }
498         return menu;
499 }
500
501 void
502 ProcessorEntry::toggle_panner_link ()
503 {
504         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (_processor);
505         if (send) {
506                 send->panner_shell()->set_linked_to_route(!send->panner_shell()->is_linked_to_route());
507         }
508 }
509
510 ProcessorEntry::Control::Control (boost::shared_ptr<AutomationControl> c, string const & n)
511         : _control (c)
512         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
513         , _slider (&_adjustment, boost::shared_ptr<PBD::Controllable>(), 0, max(13.f, rintf(13.f * ARDOUR_UI::config()->get_ui_scale())))
514         , _slider_persistant_tooltip (&_slider)
515         , _button (ArdourButton::led_default_elements)
516         , _ignore_ui_adjustment (false)
517         , _visible (false)
518         , _name (n)
519 {
520         _slider.set_controllable (c);
521         box.set_padding(0, 0, 4, 4);
522
523         if (c->toggled()) {
524                 _button.set_text (_name);
525                 _button.set_led_left (true);
526                 _button.set_name ("processor control button");
527                 box.add (_button);
528                 _button.show ();
529
530                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
531                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
532                 // dup. currently timers are used :(
533                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
534
535         } else {
536                 
537                 _slider.set_name ("ProcessorControlSlider");
538                 _slider.set_text (_name);
539
540                 box.add (_slider);
541                 _slider.show ();
542
543                 const ARDOUR::ParameterDescriptor& desc = c->desc();
544                 double const lo = c->internal_to_interface(desc.lower);
545                 double const up = c->internal_to_interface(desc.upper);
546                 double const normal = c->internal_to_interface(desc.normal);
547                 double smallstep = desc.smallstep;
548                 double largestep = desc.largestep;
549
550                 if (smallstep == 0.0) {
551                         smallstep = up / 1000.;
552                 } else {
553                         smallstep = c->internal_to_interface(desc.lower + smallstep);
554                 }
555
556                 if (largestep == 0.0) {
557                         largestep = up / 40.;
558                 } else {
559                         largestep = c->internal_to_interface(desc.lower + largestep);
560                 }
561
562                 _adjustment.set_lower (lo);
563                 _adjustment.set_upper (up);
564                 _adjustment.set_step_increment (smallstep);
565                 _adjustment.set_page_increment (largestep);
566                 _slider.set_default_value (normal);
567                 
568                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
569                 // dup. currently timers are used :(
570                 //c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
571         }
572
573         // yuck, do we really need to do this?
574         // according to c404374 this is only needed for send automation
575         timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &Control::control_changed));
576         
577         control_changed ();
578         set_tooltip ();
579
580         /* We're providing our own PersistentTooltip */
581         set_no_tooltip_whatsoever (_slider);
582 }
583
584 ProcessorEntry::Control::~Control ()
585 {
586         timer_connection.disconnect ();
587 }
588
589 void
590 ProcessorEntry::Control::set_tooltip ()
591 {
592         boost::shared_ptr<AutomationControl> c = _control.lock ();
593
594         if (!c) {
595                 return;
596         }
597         char tmp[256];
598         if (c->toggled ()) {
599                 snprintf (tmp, sizeof(tmp), "%s: %s", _name.c_str(), c->get_value() > 0.5 ? _("on") : _("off"));
600         } else {
601                 snprintf (tmp, sizeof(tmp), "%s: %.2f", _name.c_str(), c->internal_to_user (c->get_value ()));
602         }
603
604         string sm = Glib::Markup::escape_text (tmp);
605         _slider_persistant_tooltip.set_tip (sm);
606         ARDOUR_UI::instance()->set_tip (_button, sm);
607 }
608
609 void
610 ProcessorEntry::Control::slider_adjusted ()
611 {
612         if (_ignore_ui_adjustment) {
613                 return;
614         }
615         
616         boost::shared_ptr<AutomationControl> c = _control.lock ();
617
618         if (!c) {
619                 return;
620         }
621
622         c->set_value ( c->interface_to_internal(_adjustment.get_value ()) );
623         set_tooltip ();
624 }
625
626 void
627 ProcessorEntry::Control::button_clicked ()
628 {
629         boost::shared_ptr<AutomationControl> c = _control.lock ();
630
631         if (!c) {
632                 return;
633         }
634
635         bool const n = _button.get_active ();
636
637         c->set_value (n ? 0 : 1);
638         _button.set_active (!n);
639         set_tooltip ();
640 }
641
642 void
643 ProcessorEntry::Control::control_changed ()
644 {
645         boost::shared_ptr<AutomationControl> c = _control.lock ();
646         if (!c) {
647                 return;
648         }
649
650         _ignore_ui_adjustment = true;
651
652         if (c->toggled ()) {
653
654                 _button.set_active (c->get_value() > 0.5);
655                 
656         } else {
657                 // as long as rapid timers are used, only update the tooltip
658                 // if the value has changed.
659                 const double nval = c->internal_to_interface (c->get_value ());
660                 if (_adjustment.get_value() != nval) {
661                         _adjustment.set_value (nval);
662                         set_tooltip ();
663                 }
664         }
665         
666         _ignore_ui_adjustment = false;
667 }
668
669 void
670 ProcessorEntry::Control::add_state (XMLNode* node) const
671 {
672         XMLNode* c = new XMLNode (X_("Object"));
673         c->add_property (X_("id"), state_id ());
674         c->add_property (X_("visible"), _visible);
675         node->add_child_nocopy (*c);
676 }
677
678 void
679 ProcessorEntry::Control::set_state (XMLNode const * node)
680 {
681         XMLNode* n = GUIObjectState::get_node (node, state_id ());
682         if (n) {
683                 XMLProperty* p = n->property (X_("visible"));
684                 set_visible (p && string_is_affirmative (p->value ()));
685         } else {
686                 set_visible (false);
687         }
688 }
689
690 void
691 ProcessorEntry::Control::set_visible (bool v)
692 {
693         if (v) {
694                 box.show ();
695         } else {
696                 box.hide ();
697         }
698         
699         _visible = v;
700 }
701
702 /** Called when the Editor might have re-shown things that
703     we want hidden.
704 */
705 void
706 ProcessorEntry::Control::hide_things ()
707 {
708         if (!_visible) {
709                 box.hide ();
710         }
711 }
712
713 string
714 ProcessorEntry::Control::state_id () const
715 {
716         boost::shared_ptr<AutomationControl> c = _control.lock ();
717         assert (c);
718
719         return string_compose (X_("control %1"), c->id().to_s ());
720 }
721
722 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
723         : ProcessorEntry (b, p, w)
724         , _plugin_insert (p)
725 {
726         p->PluginIoReConfigure.connect (
727                 _splitting_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::plugin_insert_splitting_changed, this), gui_context()
728                 );
729
730         plugin_insert_splitting_changed ();
731 }
732
733 void
734 PluginInsertProcessorEntry::plugin_insert_splitting_changed ()
735 {
736         ChanCount in, out; // actual configured i/o
737         _plugin_insert->configured_io (in, out);
738
739         /* get number of input ports */
740         ChanCount sinks = _plugin_insert->natural_input_streams();
741         if (!_plugin_insert->splitting () && _plugin_insert->get_count() > 1) {
742                 /* replicated instances */
743                 for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
744                         sinks.set(*t, sinks.get(*t) * _plugin_insert->get_count());
745                 }
746         }
747         /* MIDI bypass */
748         if (_plugin_insert->natural_output_streams().n_midi() == 0 &&
749                         _plugin_insert->output_streams().n_midi() == 1) {
750                 in.set(DataType::MIDI, 1);
751                 out.set(DataType::MIDI, 1);
752                 sinks.set(DataType::MIDI, 1);
753         }
754
755         /* the Input streams available (*valid* outputs from prev. plugin)
756          * this will be <= sinks. Some input-ports of this processor
757          * may be unconnected.
758          */
759         _routing_icon.set_sources(in);
760
761         /* the actual input ports of this processor */
762         _input_icon.set_ports(sinks);
763         _routing_icon.set_sinks(sinks);
764
765         /* set/override plugin-output ports to actual outputs-streams.
766          *
767          * This plugin may have unconnected output-ports (currently only in Mixbus,
768          * e.g channelstrip-EQ at the top of a MIDI-channel before the synth).
769          *
770          * The *next* processor below this one will only see the 
771          * actual available streams (it cannot know the real outputs
772          * of this plugin).
773          *
774          * There is currently no API to query the ports of the previous (or next)
775          * processor.
776          *
777          * (normally - iff configuration succeeds - this is set during
778          * ProcessorEntry::processor_configuration_changed() and should
779          * equal _plugin_insert->output_streams())
780          */
781         _output_icon.set_ports(out);
782 #ifndef NDEBUG
783         if (out != _plugin_insert->output_streams()) {
784                 std::cerr << "Processor Wiring: " <<  processor()->name()
785                         << " out-ports: " << _plugin_insert->output_streams() // NB. does not include midi-bypass
786                         << " out-connections: " << out
787                         << endmsg;
788         }
789 #endif
790
791         _routing_icon.set_splitting(_plugin_insert->splitting ());
792
793         if (_plugin_insert->splitting () ||  in != sinks)
794         {
795                 _routing_icon.set_size_request (-1, std::max (7.f, rintf(7.f * ARDOUR_UI::config()->get_ui_scale())));
796                 _routing_icon.set_visible(true);
797                 _input_icon.show();
798         } else {
799                 _routing_icon.set_visible(false);
800                 if (_position_num != 0) {
801                         _input_icon.hide();
802                 }
803         }
804
805         _input_icon.queue_draw();
806         _output_icon.queue_draw();
807         _routing_icon.queue_draw();
808 }
809
810 void
811 PluginInsertProcessorEntry::hide_things ()
812 {
813         ProcessorEntry::hide_things ();
814         plugin_insert_splitting_changed ();
815 }
816
817 ProcessorEntry::PortIcon::PortIcon(bool input) {
818         _input = input;
819         _ports = ARDOUR::ChanCount(ARDOUR::DataType::AUDIO, 1);
820         set_size_request (-1, std::max (2.f, rintf(2.f * ARDOUR_UI::config()->get_ui_scale())));
821 }
822
823 bool
824 ProcessorEntry::PortIcon::on_expose_event (GdkEventExpose* ev)
825 {
826         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
827
828         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
829         cairo_clip (cr);
830
831         Gtk::Allocation a = get_allocation();
832         double const width = a.get_width();
833         double const height = a.get_height();
834
835         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
836         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
837
838         cairo_rectangle (cr, 0, 0, width, height);
839         cairo_fill (cr);
840
841         const double dx = rint(max(2., 2. * ARDOUR_UI::config()->get_ui_scale()));
842         if (_ports.n_total() > 1) {
843                 for (uint32_t i = 0; i < _ports.n_total(); ++i) {
844                         if (i < _ports.n_midi()) {
845                                 cairo_set_source_rgb (cr,
846                                                 UINT_RGBA_R_FLT(midi_port_color),
847                                                 UINT_RGBA_G_FLT(midi_port_color),
848                                                 UINT_RGBA_B_FLT(midi_port_color));
849                         } else {
850                                 cairo_set_source_rgb (cr,
851                                                 UINT_RGBA_R_FLT(audio_port_color),
852                                                 UINT_RGBA_G_FLT(audio_port_color),
853                                                 UINT_RGBA_B_FLT(audio_port_color));
854                         }
855                         const float x = rintf(width * (.2f + .6f * i / (_ports.n_total() - 1.f)));
856                         cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
857                         cairo_fill(cr);
858                 }
859         } else if (_ports.n_total() == 1) {
860                 if (_ports.n_midi() == 1) {
861                         cairo_set_source_rgb (cr,
862                                         UINT_RGBA_R_FLT(midi_port_color),
863                                         UINT_RGBA_G_FLT(midi_port_color),
864                                         UINT_RGBA_B_FLT(midi_port_color));
865                 } else {
866                         cairo_set_source_rgb (cr,
867                                         UINT_RGBA_R_FLT(audio_port_color),
868                                         UINT_RGBA_G_FLT(audio_port_color),
869                                         UINT_RGBA_B_FLT(audio_port_color));
870                 }
871                 const float x = rintf(width * .5);
872                 cairo_rectangle (cr, x-dx * .5, 0, 1+dx, height);
873                 cairo_fill(cr);
874                 cairo_stroke(cr);
875         }
876
877         cairo_destroy(cr);
878         return true;
879 }
880
881 bool
882 ProcessorEntry::RoutingIcon::on_expose_event (GdkEventExpose* ev)
883 {
884         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
885
886         cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
887         cairo_clip (cr);
888
889         cairo_set_line_width (cr, max (1.f, ARDOUR_UI::config()->get_ui_scale()));
890         cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
891
892         Gtk::Allocation a = get_allocation();
893         double const width = a.get_width();
894         double const height = a.get_height();
895
896         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
897         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
898
899         cairo_rectangle (cr, 0, 0, width, height);
900         cairo_fill (cr);
901
902         Gdk::Color const fg = get_style()->get_fg (STATE_NORMAL);
903         cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
904
905         const uint32_t sources = _sources.n_total();
906         const uint32_t sinks = _sinks.n_total();
907
908         const uint32_t midi_sources = _sources.n_midi();
909         const uint32_t midi_sinks = _sinks.n_midi();
910         const uint32_t audio_sources = _sources.n_audio();
911         const uint32_t audio_sinks = _sinks.n_audio();
912
913         /* MIDI */
914         cairo_set_source_rgb (cr,
915                         UINT_RGBA_R_FLT(midi_port_color),
916                         UINT_RGBA_G_FLT(midi_port_color),
917                         UINT_RGBA_B_FLT(midi_port_color));
918         if (midi_sources > 0 && midi_sinks > 0 && sinks > 1 && sources > 1) {
919                 for (uint32_t i = 0 ; i < midi_sources; ++i) {
920                         const float si_x  = rintf(width * (.2f + .6f * i  / (sinks - 1.f))) + .5f;
921                         const float si_x0 = rintf(width * (.2f + .6f * i / (sources - 1.f))) + .5f;
922                         cairo_move_to (cr, si_x, height);
923                         cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
924                         cairo_stroke (cr);
925                 }
926         } else if (midi_sources == 1 && midi_sinks == 1 && sinks == 1 && sources == 1) {
927                 const float si_x = rintf(width * .5f) + .5f;
928                 cairo_move_to (cr, si_x, height);
929                 cairo_line_to (cr, si_x, 0);
930                 cairo_stroke (cr);
931         } else if (midi_sources == 1 && midi_sinks == 1) {
932                 /* unusual cases -- removed synth, midi-track w/audio plugins */
933                 const float si_x  = rintf(width * (sinks   > 1 ? .2f : .5f)) + .5f;
934                 const float si_x0 = rintf(width * (sources > 1 ? .2f : .5f)) + .5f;
935                 cairo_move_to (cr, si_x, height);
936                 cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
937                 cairo_stroke (cr);
938         } else if (midi_sources == 0 && midi_sinks == 1) {
939                 const double dx = 1 + rint(max(2., 2. * ARDOUR_UI::config()->get_ui_scale()));
940                 // draw "T"
941                 //  TODO connect back to track-input of last midi-out if any, otherwise draw "X"
942                 const float si_x  = rintf(width * .2f) + .5f;
943                 cairo_move_to (cr, si_x, height);
944                 cairo_line_to (cr, si_x, height * .66);
945                 cairo_move_to (cr, si_x - dx, height * .66);
946                 cairo_line_to (cr, si_x + dx, height * .66);
947                 cairo_stroke (cr);
948 #ifndef NDEBUG
949         } else if (midi_sources != 0 && midi_sinks != 0) {
950                 PBD::warning << string_compose("Programming error: midi routing display: A %1 -> %2 | M %3 -> %4 | T %5 -> %6", 
951                                 audio_sources, audio_sinks, midi_sources, midi_sinks, sources, sinks) << endmsg;
952 #endif
953         }
954
955         /* AUDIO */
956         cairo_set_source_rgb (cr,
957                         UINT_RGBA_R_FLT(audio_port_color),
958                         UINT_RGBA_G_FLT(audio_port_color),
959                         UINT_RGBA_B_FLT(audio_port_color));
960
961         if (_splitting) {
962                 assert(audio_sources < 2);
963                 assert(audio_sinks > 1);
964                 /* assume there is only ever one MIDI port */
965                 const float si_x0 = rintf(width * (midi_sources > 0 ? .8f : .5f)) + .5f;
966                 for (uint32_t i = midi_sinks; i < sinks; ++i) {
967                         const float si_x = rintf(width * (.2f + .6f * i / (sinks - 1.f))) + .5f;
968                         cairo_move_to (cr, si_x, height);
969                         cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
970                         cairo_stroke (cr);
971                 }
972         } else if (audio_sources > 1 && sinks > 1) {
973                 for (uint32_t i = 0 ; i < audio_sources; ++i) {
974                         const float si_x = rintf(width * (.2f + .6f * (i + midi_sinks) / (sinks - 1.f))) + .5f;
975                         const float si_x0 = rintf(width * (.2f + .6f * (i + midi_sources) / (sources - 1.f))) + .5f;
976                         cairo_move_to (cr, si_x, height);
977                         cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
978                         cairo_stroke (cr);
979                 }
980         } else if (audio_sources == 1 && audio_sinks > 0) {
981                 float si_x, si_x0;
982                 if (sinks == 1) {
983                         si_x = rintf(width * .5f) + .5f;
984                 } else {
985                         si_x = rintf(width * (.2f + .6f * midi_sinks / (sinks - 1.f))) + .5f;
986                 }
987                 if (sources == 1) {
988                         si_x0 = rintf(width * .5f) + .5f;
989                 } else {
990                         si_x0 = rintf(width * (.2f + .6f * midi_sources / (sources - 1.f))) + .5f;
991                 }
992                 cairo_move_to (cr, si_x, height);
993                 cairo_curve_to (cr, si_x, 0, si_x0, height, si_x0, 0);
994                 cairo_stroke (cr);
995 #ifndef NDEBUG
996         } else if (audio_sources != 0 && audio_sinks != 0) {
997                 PBD::warning << string_compose("Programming error: audio routing display: A %1 -> %2 | M %3 -> %4 | T %5 -> %6", 
998                                 audio_sources, audio_sinks, midi_sources, midi_sinks, sources, sinks) << endmsg;
999 #endif
1000         }
1001         cairo_destroy(cr);
1002         return true;
1003 }
1004
1005 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
1006                             RouteProcessorSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
1007         : _parent_strip (parent)
1008         , _owner_is_mixer (owner_is_mixer)
1009         , ab_direction (true)
1010         , _get_plugin_selector (get_plugin_selector)
1011         , _placement (-1)
1012         , _visible_prefader_processors (0)
1013         , _rr_selection(rsel)
1014         , _redisplay_pending (false)
1015
1016 {
1017         set_session (sess);
1018
1019         _width = Wide;
1020         processor_menu = 0;
1021         no_processor_redisplay = false;
1022
1023         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
1024         processor_scroller.add (processor_display);
1025         pack_start (processor_scroller, true, true);
1026
1027         processor_display.set_flags (CAN_FOCUS);
1028         processor_display.set_name ("ProcessorList");
1029         processor_display.set_data ("processorbox", this);
1030         processor_display.set_size_request (48, -1);
1031         processor_display.set_spacing (0);
1032
1033         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
1034         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
1035
1036         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
1037         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
1038
1039         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
1040         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
1041
1042         processor_scroller.show ();
1043         processor_display.show ();
1044
1045         if (parent) {
1046                 parent->DeliveryChanged.connect (
1047                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
1048                         );
1049         }
1050
1051         ARDOUR_UI::instance()->set_tip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
1052 }
1053
1054 ProcessorBox::~ProcessorBox ()
1055 {
1056         /* it may appear as if we should delete processor_menu but that is a
1057          * pointer to a widget owned by the UI Manager, and has potentially
1058          * be returned to many other ProcessorBoxes. GTK doesn't really make
1059          * clear the ownership of this widget, which is a menu and thus is
1060          * never packed into any container other than an implict GtkWindow.
1061          *
1062          * For now, until or if we ever get clarification over the ownership
1063          * story just let it continue to exist. At worst, its a small memory leak.
1064          */
1065 }
1066
1067 void
1068 ProcessorBox::set_route (boost::shared_ptr<Route> r)
1069 {
1070         if (_route == r) {
1071                 return;
1072         }
1073
1074         _route_connections.drop_connections();
1075
1076         /* new route: any existing block on processor redisplay must be meaningless */
1077         no_processor_redisplay = false;
1078         _route = r;
1079
1080         _route->processors_changed.connect (
1081                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
1082                 );
1083
1084         _route->DropReferences.connect (
1085                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
1086                 );
1087
1088         _route->PropertyChanged.connect (
1089                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
1090                 );
1091
1092         redisplay_processors ();
1093 }
1094
1095 void
1096 ProcessorBox::route_going_away ()
1097 {
1098         /* don't keep updating display as processors are deleted */
1099         no_processor_redisplay = true;
1100         _route.reset ();
1101 }
1102
1103 void
1104 ProcessorBox::object_drop(DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
1105 {
1106         boost::shared_ptr<Processor> p;
1107         if (position) {
1108                 p = position->processor ();
1109                 if (!p) {
1110                         /* dropped on the blank entry (which will be before the
1111                            fader), so use the first non-blank child as our
1112                            `dropped on' processor */
1113                         list<ProcessorEntry*> c = processor_display.children ();
1114                         list<ProcessorEntry*>::iterator i = c.begin ();
1115
1116                         assert (i != c.end ());
1117                         p = (*i)->processor ();
1118                         assert (p);
1119                 }
1120         }
1121
1122         list<ProcessorEntry*> children = source->selection ();
1123         list<boost::shared_ptr<Processor> > procs;
1124         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
1125                 if ((*i)->processor ()) {
1126                         if (boost::dynamic_pointer_cast<UnknownProcessor> ((*i)->processor())) {
1127                                 continue;
1128                         }
1129                         procs.push_back ((*i)->processor ());
1130                 }
1131         }
1132
1133         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
1134                 XMLNode& state = (*i)->get_state ();
1135                 XMLNodeList nlist;
1136                 nlist.push_back (&state);
1137                 paste_processor_state (nlist, p);
1138                 delete &state;
1139         }
1140
1141         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
1142            ourselves.
1143         */
1144
1145         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
1146                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
1147                 if (other) {
1148                         other->delete_dragged_processors (procs);
1149                 }
1150         }
1151 }
1152
1153 void
1154 ProcessorBox::set_width (Width w)
1155 {
1156         if (_width == w) {
1157                 return;
1158         }
1159
1160         _width = w;
1161
1162         list<ProcessorEntry*> children = processor_display.children ();
1163         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1164                 (*i)->set_enum_width (w);
1165         }
1166
1167         queue_resize ();
1168 }
1169
1170 Gtk::Menu*
1171 ProcessorBox::build_possible_aux_menu ()
1172 {
1173         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
1174
1175         if (rl->empty()) {
1176                 /* No aux sends if there are no busses */
1177                 return 0;
1178         }
1179
1180         using namespace Menu_Helpers;
1181         Menu* menu = manage (new Menu);
1182         MenuList& items = menu->items();
1183
1184         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
1185                 if (!_route->internal_send_for (*r) && *r != _route) {
1186                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
1187                 }
1188         }
1189
1190         return menu;
1191 }
1192
1193 void
1194 ProcessorBox::show_processor_menu (int arg)
1195 {
1196         if (processor_menu == 0) {
1197                 processor_menu = build_processor_menu ();
1198                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
1199         }
1200
1201         /* Sort out the plugin submenu */
1202
1203         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
1204
1205         if (plugin_menu_item) {
1206                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
1207         }
1208
1209         /* And the aux submenu */
1210
1211         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
1212
1213         if (aux_menu_item) {
1214                 Menu* m = build_possible_aux_menu();
1215                 if (m && !m->items().empty()) {
1216                         aux_menu_item->set_submenu (*m);
1217                         aux_menu_item->set_sensitive (true);
1218                 } else {
1219                         /* stupid gtkmm: we need to pass a null reference here */
1220                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
1221                         aux_menu_item->set_sensitive (false);
1222                 }
1223         }
1224
1225         ProcessorEntry* single_selection = 0;
1226         if (processor_display.selection().size() == 1) {
1227                 single_selection = processor_display.selection().front();
1228         }
1229
1230         /* And the controls submenu */
1231
1232         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
1233
1234         if (controls_menu_item) {
1235                 if (single_selection) {
1236                         Menu* m = single_selection->build_controls_menu ();
1237                         if (m && !m->items().empty()) {
1238                                 controls_menu_item->set_submenu (*m);
1239                                 controls_menu_item->set_sensitive (true);
1240                         } else {
1241                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
1242                                 controls_menu_item->set_sensitive (false);
1243                         }
1244                 } else {
1245                         controls_menu_item->set_sensitive (false);
1246                 }
1247         }
1248
1249         Gtk::MenuItem* send_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/send_options"));
1250         if (send_menu_item) {
1251                 if (single_selection) {
1252                         Menu* m = single_selection->build_send_options_menu ();
1253                         if (m && !m->items().empty()) {
1254                                 send_menu_item->set_submenu (*m);
1255                                 send_menu_item->set_sensitive (true);
1256                         } else {
1257                                 gtk_menu_item_set_submenu (send_menu_item->gobj(), 0);
1258                                 send_menu_item->set_sensitive (false);
1259                         }
1260                 } else {
1261                         send_menu_item->set_sensitive (false);
1262                 }
1263         }
1264
1265         /* Sensitise actions as approprioate */
1266
1267
1268         const bool sensitive = !processor_display.selection().empty() && ! stub_processor_selected ();
1269
1270         paste_action->set_sensitive (!_rr_selection.processors.empty());
1271         cut_action->set_sensitive (sensitive && can_cut ());
1272         copy_action->set_sensitive (sensitive);
1273         delete_action->set_sensitive (sensitive || stub_processor_selected ());
1274
1275         edit_action->set_sensitive (one_processor_can_be_edited ());
1276         edit_generic_action->set_sensitive (one_processor_can_be_edited ());
1277
1278         boost::shared_ptr<PluginInsert> pi;
1279         if (single_selection) {
1280                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
1281         }
1282
1283         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
1284         edit_action->set_sensitive (pi && pi->plugin()->has_editor ());
1285
1286         /* disallow rename for multiple selections, for plugin inserts and for the fader */
1287         rename_action->set_sensitive (single_selection
1288                         && !pi
1289                         && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ())
1290                         && !boost::dynamic_pointer_cast<UnknownProcessor> (single_selection->processor ()));
1291
1292         processor_menu->popup (1, arg);
1293
1294         /* Add a placeholder gap to the processor list to indicate where a processor would be
1295            inserted were one chosen from the menu.
1296         */
1297         int x, y;
1298         processor_display.get_pointer (x, y);
1299         _placement = processor_display.add_placeholder (y);
1300
1301         if (_visible_prefader_processors == 0 && _placement > 0) {
1302                 --_placement;
1303         }
1304 }
1305
1306 bool
1307 ProcessorBox::enter_notify (GdkEventCrossing*)
1308 {
1309         _current_processor_box = this;
1310         return false;
1311 }
1312
1313 bool
1314 ProcessorBox::leave_notify (GdkEventCrossing*)
1315 {
1316         return false;
1317 }
1318
1319 bool
1320 ProcessorBox::processor_operation (ProcessorOperation op) 
1321 {
1322         ProcSelection targets;
1323
1324         get_selected_processors (targets);
1325
1326 /*      if (targets.empty()) {
1327
1328                 int x, y;
1329                 processor_display.get_pointer (x, y);
1330
1331                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
1332
1333                 if (pointer.first && pointer.first->processor()) {
1334                         targets.push_back (pointer.first->processor ());
1335                 }
1336         }
1337 */
1338
1339         if ( (op == ProcessorsDelete) && targets.empty() )
1340                 return false;  //nothing to delete.  return false so the editor-mixer, because the user was probably intending to delete something in the editor
1341         
1342         switch (op) {
1343         case ProcessorsSelectAll:
1344                 processor_display.select_all ();
1345                 break;
1346
1347         case ProcessorsSelectNone:
1348                 processor_display.select_none ();
1349                 break;
1350
1351         case ProcessorsCopy:
1352                 copy_processors (targets);
1353                 break;
1354
1355         case ProcessorsCut:
1356                 cut_processors (targets);
1357                 break;
1358
1359         case ProcessorsPaste:
1360                 // some processors are not selectable (e.g fader, meter), target is empty.
1361                 if (targets.empty() && _placement >= 0) {
1362                         assert (_route);
1363                         boost::shared_ptr<Processor> proc = _route->before_processor_for_index (_placement);
1364                         if (proc) {
1365                                 targets.push_back (proc);
1366                         }
1367                 }
1368                 if (targets.empty()) {
1369                         paste_processors ();
1370                 } else {
1371                         paste_processors (targets.front());
1372                 }
1373                 break;
1374
1375         case ProcessorsDelete:
1376                 delete_processors (targets);
1377                 break;
1378
1379         case ProcessorsToggleActive:
1380                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
1381                         if ((*i)->active()) {
1382                                 (*i)->deactivate ();
1383                         } else {
1384                                 (*i)->activate ();
1385                         }
1386                 }
1387                 break;
1388
1389         case ProcessorsAB:
1390                 ab_plugins ();
1391                 break;
1392
1393         default:
1394                 break;
1395         }
1396         
1397         return true;
1398 }
1399
1400 ProcessorWindowProxy* 
1401 ProcessorBox::find_window_proxy (boost::shared_ptr<Processor> processor) const
1402 {
1403         return  processor->window_proxy();
1404 }
1405
1406
1407 bool
1408 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
1409 {
1410         boost::shared_ptr<Processor> processor;
1411         if (child) {
1412                 processor = child->processor ();
1413         }
1414
1415         int ret = false;
1416         bool selected = processor_display.selected (child);
1417
1418         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
1419
1420                 if (_session->engine().connected()) {
1421                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
1422
1423                         if (!one_processor_can_be_edited ()) {
1424                                 return true;
1425                         }
1426
1427                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
1428                                 generic_edit_processor (processor);
1429                         } else {
1430                                 edit_processor (processor);
1431                         }
1432                 }
1433
1434                 ret = true;
1435
1436         } else if (Keyboard::is_context_menu_event (ev)) {
1437
1438                 show_processor_menu (ev->time);
1439                 
1440                 ret = true;
1441
1442         } else if (processor && ev->button == 1 && selected) {
1443
1444                 // this is purely informational but necessary for route params UI
1445                 ProcessorSelected (processor); // emit
1446
1447         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
1448
1449                 choose_plugin ();
1450                 _get_plugin_selector()->show_manager ();
1451         }
1452
1453         return ret;
1454 }
1455
1456 bool
1457 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
1458 {
1459         boost::shared_ptr<Processor> processor;
1460         if (child) {
1461                 processor = child->processor ();
1462         }
1463
1464         if (processor && Keyboard::is_delete_event (ev)) {
1465
1466                 Glib::signal_idle().connect (sigc::bind (
1467                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
1468                                 boost::weak_ptr<Processor>(processor)));
1469
1470         } else if (processor && Keyboard::is_button2_event (ev)
1471 #ifndef GTKOSX
1472                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
1473 #endif
1474                 ) {
1475
1476                 /* button2-click with no/appropriate modifiers */
1477
1478                 if (processor->active()) {
1479                         processor->deactivate ();
1480                 } else {
1481                         processor->activate ();
1482                 }
1483         }
1484
1485         return false;
1486 }
1487
1488 Menu *
1489 ProcessorBox::build_processor_menu ()
1490 {
1491         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
1492         processor_menu->set_name ("ArdourContextMenu");
1493         return processor_menu;
1494 }
1495
1496 void
1497 ProcessorBox::select_all_processors ()
1498 {
1499         processor_display.select_all ();
1500 }
1501
1502 void
1503 ProcessorBox::deselect_all_processors ()
1504 {
1505         processor_display.select_none ();
1506 }
1507
1508 void
1509 ProcessorBox::choose_plugin ()
1510 {
1511         _get_plugin_selector()->set_interested_object (*this);
1512 }
1513
1514 /** @return true if an error occurred, otherwise false */
1515 bool
1516 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
1517 {
1518         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
1519
1520                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
1521
1522                 Route::ProcessorStreams err_streams;
1523
1524                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
1525                         weird_plugin_dialog (**p, err_streams);
1526                         return true;
1527                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
1528                 } else {
1529
1530                         if (Profile->get_sae()) {
1531                                 processor->activate ();
1532                         }
1533                 }
1534         }
1535
1536         return false;
1537 }
1538
1539 void
1540 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
1541 {
1542         ArdourDialog dialog (_("Plugin Incompatibility"));
1543         Label label;
1544
1545         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
1546                         p.name(), streams.index);
1547
1548         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
1549         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
1550
1551         text += _("\nThis plugin has:\n");
1552         if (has_midi) {
1553                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
1554                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
1555         }
1556         if (has_audio) {
1557                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
1558                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
1559         }
1560
1561         text += _("\nbut at the insertion point, there are:\n");
1562         if (has_midi) {
1563                 uint32_t const n = streams.count.n_midi ();
1564                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
1565         }
1566         if (has_audio) {
1567                 uint32_t const n = streams.count.n_audio ();
1568                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
1569         }
1570
1571         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
1572         label.set_text(text);
1573
1574         dialog.get_vbox()->pack_start (label);
1575         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1576
1577         dialog.set_name (X_("PluginIODialog"));
1578         dialog.set_modal (true);
1579         dialog.show_all ();
1580
1581         dialog.run ();
1582 }
1583
1584 void
1585 ProcessorBox::choose_insert ()
1586 {
1587         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
1588         _route->add_processor_by_index (processor, _placement);
1589 }
1590
1591 /* Caller must not hold process lock */
1592 void
1593 ProcessorBox::choose_send ()
1594 {
1595         boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
1596         boost::shared_ptr<Send> send (new Send (*_session, sendpan, _route->mute_master()));
1597
1598         /* make an educated guess at the initial number of outputs for the send */
1599         ChanCount outs = (_session->master_out())
1600                         ? _session->master_out()->n_outputs()
1601                         : _route->n_outputs();
1602
1603         /* XXX need processor lock on route */
1604         try {
1605                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
1606                 send->output()->ensure_io (outs, false, this);
1607         } catch (AudioEngine::PortRegistrationFailure& err) {
1608                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
1609                 return;
1610         }
1611
1612         /* let the user adjust the IO setup before creation.
1613
1614            Note: this dialog is NOT modal - we just leave it to run and it will
1615            return when its Finished signal is emitted - typically when the window
1616            is closed.
1617          */
1618
1619         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
1620         ios->show ();
1621
1622         /* keep a reference to the send so it doesn't get deleted while
1623            the IOSelectorWindow is doing its stuff
1624         */
1625         _processor_being_created = send;
1626
1627         ios->selector().Finished.connect (sigc::bind (
1628                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1629                         boost::weak_ptr<Processor>(send), ios));
1630
1631 }
1632
1633 void
1634 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1635 {
1636         boost::shared_ptr<Processor> processor (weak_processor.lock());
1637
1638         /* drop our temporary reference to the new send */
1639         _processor_being_created.reset ();
1640
1641         if (!processor) {
1642                 return;
1643         }
1644
1645         switch (r) {
1646         case IOSelector::Cancelled:
1647                 // processor will go away when all shared_ptrs to it vanish
1648                 break;
1649
1650         case IOSelector::Accepted:
1651                 _route->add_processor_by_index (processor, _placement);
1652                 if (Profile->get_sae()) {
1653                         processor->activate ();
1654                 }
1655                 break;
1656         }
1657
1658         delete_when_idle (ios);
1659 }
1660
1661 void
1662 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1663 {
1664         boost::shared_ptr<Processor> processor (weak_processor.lock());
1665
1666         /* drop our temporary reference to the new return */
1667         _processor_being_created.reset ();
1668
1669         if (!processor) {
1670                 return;
1671         }
1672
1673         switch (r) {
1674         case IOSelector::Cancelled:
1675                 // processor will go away when all shared_ptrs to it vanish
1676                 break;
1677
1678         case IOSelector::Accepted:
1679                 _route->add_processor_by_index (processor, _placement);
1680                 if (Profile->get_sae()) {
1681                         processor->activate ();
1682                 }
1683                 break;
1684         }
1685
1686         delete_when_idle (ios);
1687 }
1688
1689 void
1690 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1691 {
1692         if (!_route) {
1693                 return;
1694         }
1695
1696         boost::shared_ptr<Route> target = wr.lock();
1697
1698         if (!target) {
1699                 return;
1700         }
1701
1702         _session->add_internal_send (target, _placement, _route);
1703 }
1704
1705 void
1706 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1707 {
1708         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1709                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1710                 return;
1711         }
1712
1713         redisplay_processors ();
1714 }
1715
1716 void
1717 ProcessorBox::redisplay_processors ()
1718 {
1719         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
1720         bool     fader_seen;
1721
1722         if (no_processor_redisplay) {
1723                 return;
1724         }
1725
1726         processor_display.clear ();
1727
1728         _visible_prefader_processors = 0;
1729         fader_seen = false;
1730
1731         _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &ProcessorBox::help_count_visible_prefader_processors), 
1732                                                &_visible_prefader_processors, &fader_seen));
1733
1734         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1735         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1736         setup_entry_positions ();
1737 }
1738
1739 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1740  *  not already have one.
1741  */
1742 void
1743 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1744 {
1745         boost::shared_ptr<Processor> p = w.lock ();
1746         if (!p) {
1747                 return;
1748         }
1749         if (p->window_proxy()) {
1750                 return;
1751         }
1752
1753         /* not on the list; add it */
1754
1755         string loc;
1756 #if 0 // is this still needed? Why?
1757         if (_parent_strip) {
1758                 if (_parent_strip->mixer_owned()) {
1759                         loc = X_("M");
1760                 } else {
1761                         loc = X_("R");
1762                 }
1763         } else {
1764                 loc = X_("P");
1765         }
1766 #else
1767         loc = X_("P");
1768 #endif
1769
1770         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1771                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1772                 this,
1773                 w);
1774
1775         const XMLNode* ui_xml = _session->extra_xml (X_("UI"));
1776
1777         if (ui_xml) {
1778                 wp->set_state (*ui_xml);
1779         }
1780         
1781         void* existing_ui = p->get_ui ();
1782
1783         if (existing_ui) {
1784                 wp->use_window (*(reinterpret_cast<Gtk::Window*>(existing_ui)));
1785         }
1786
1787         p->set_window_proxy (wp);
1788         WM::Manager::instance().register_window (wp);
1789 }
1790
1791 void
1792 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
1793 {
1794         boost::shared_ptr<Processor> processor (p.lock ());
1795
1796         if (processor && processor->display_to_user()) {
1797
1798                 if (boost::dynamic_pointer_cast<Amp>(processor)) {
1799                         *amp_seen = true;
1800                 } else {
1801                         if (!*amp_seen) {
1802                                 (*cnt)++;
1803                         }
1804                 }
1805         }
1806 }
1807
1808 void
1809 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1810 {
1811         boost::shared_ptr<Processor> processor (p.lock ());
1812
1813         if (!processor || !processor->display_to_user()) {
1814                 return;
1815         }
1816
1817         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1818         
1819         ProcessorEntry* e = 0;
1820         if (plugin_insert) {
1821                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
1822         } else {
1823                 e = new ProcessorEntry (this, processor, _width);
1824         }
1825
1826         boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1827         boost::shared_ptr<PortInsert> ext = boost::dynamic_pointer_cast<PortInsert> (processor);
1828         boost::shared_ptr<UnknownProcessor> stub = boost::dynamic_pointer_cast<UnknownProcessor> (processor);
1829         
1830         //faders and meters are not deletable, copy/paste-able, so they shouldn't be selectable
1831         if (!send && !plugin_insert && !ext && !stub)
1832                 e->set_selectable(false);
1833
1834         bool mark_send_visible = false;
1835         if (send && _parent_strip) {
1836                 /* show controls of new sends by default */
1837                 GUIObjectState& st = _parent_strip->gui_object_state ();
1838                 XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
1839                 assert (strip);
1840                 /* check if state exists, if not it must be a new send */
1841                 if (!st.get_node(strip, e->state_id())) {
1842                         mark_send_visible = true;
1843                 }
1844         }
1845
1846         /* Set up this entry's state from the GUIObjectState */
1847         XMLNode* proc = entry_gui_object_state (e);
1848         if (proc) {
1849                 e->set_control_state (proc);
1850         }
1851
1852         if (mark_send_visible) {
1853                 e->show_all_controls ();
1854         }
1855
1856         processor_display.add_child (e);
1857 }
1858
1859 void
1860 ProcessorBox::reordered ()
1861 {
1862         compute_processor_sort_keys ();
1863         setup_entry_positions ();
1864 }
1865
1866 void
1867 ProcessorBox::setup_entry_positions ()
1868 {
1869         list<ProcessorEntry*> children = processor_display.children ();
1870         bool pre_fader = true;
1871
1872         uint32_t num = 0;
1873         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1874                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1875                         pre_fader = false;
1876                         (*i)->set_position (ProcessorEntry::Fader, num++);
1877                 } else {
1878                         if (pre_fader) {
1879                                 (*i)->set_position (ProcessorEntry::PreFader, num++);
1880                         } else {
1881                                 (*i)->set_position (ProcessorEntry::PostFader, num++);
1882                         }
1883                 }
1884         }
1885 }
1886
1887 void
1888 ProcessorBox::compute_processor_sort_keys ()
1889 {
1890         list<ProcessorEntry*> children = processor_display.children ();
1891         Route::ProcessorList our_processors;
1892
1893         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1894                 if ((*i)->processor()) {
1895                         our_processors.push_back ((*i)->processor ());
1896                 }
1897         }
1898
1899         if (_route->reorder_processors (our_processors)) {
1900                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1901                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1902                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1903                    when the drag is torn down after this handler function is finished.
1904                 */
1905                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1906         }
1907 }
1908
1909 void
1910 ProcessorBox::report_failed_reorder ()
1911 {
1912         /* reorder failed, so redisplay */
1913
1914         redisplay_processors ();
1915
1916         /* now tell them about the problem */
1917
1918         ArdourDialog dialog (_("Plugin Incompatibility"));
1919         Label label;
1920
1921         label.set_text (_("\
1922 You cannot reorder these plugins/sends/inserts\n\
1923 in that way because the inputs and\n\
1924 outputs will not work correctly."));
1925
1926         dialog.get_vbox()->set_border_width (12);
1927         dialog.get_vbox()->pack_start (label);
1928         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1929
1930         dialog.set_name (X_("PluginIODialog"));
1931         dialog.set_modal (true);
1932         dialog.show_all ();
1933
1934         dialog.run ();
1935 }
1936
1937 void
1938 ProcessorBox::rename_processors ()
1939 {
1940         ProcSelection to_be_renamed;
1941
1942         get_selected_processors (to_be_renamed);
1943
1944         if (to_be_renamed.empty()) {
1945                 return;
1946         }
1947
1948         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1949                 rename_processor (*i);
1950         }
1951 }
1952
1953 bool
1954 ProcessorBox::can_cut () const
1955 {
1956         vector<boost::shared_ptr<Processor> > sel;
1957
1958         get_selected_processors (sel);
1959
1960         /* cut_processors () does not cut inserts */
1961
1962         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1963
1964                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1965                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1966                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1967                         return true;
1968                 }
1969         }
1970
1971         return false;
1972 }
1973
1974 bool
1975 ProcessorBox::stub_processor_selected () const
1976 {
1977         vector<boost::shared_ptr<Processor> > sel;
1978
1979         get_selected_processors (sel);
1980
1981         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1982                 if (boost::dynamic_pointer_cast<UnknownProcessor>((*i)) != 0) {
1983                         return true;
1984                 }
1985         }
1986
1987         return false;
1988 }
1989
1990 void
1991 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1992 {
1993         if (to_be_removed.empty()) {
1994                 return;
1995         }
1996
1997         XMLNode* node = new XMLNode (X_("cut"));
1998         Route::ProcessorList to_cut;
1999
2000         no_processor_redisplay = true;
2001         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
2002                 // Cut only plugins, sends and returns
2003                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
2004                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
2005                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
2006
2007                         Window* w = get_processor_ui (*i);
2008
2009                         if (w) {
2010                                 w->hide ();
2011                         }
2012
2013                         XMLNode& child ((*i)->get_state());
2014                         node->add_child_nocopy (child);
2015                         to_cut.push_back (*i);
2016                 }
2017         }
2018
2019         if (_route->remove_processors (to_cut) != 0) {
2020                 delete node;
2021                 no_processor_redisplay = false;
2022                 return;
2023         }
2024
2025         _rr_selection.set (node);
2026
2027         no_processor_redisplay = false;
2028         redisplay_processors ();
2029 }
2030
2031 void
2032 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
2033 {
2034         if (to_be_copied.empty()) {
2035                 return;
2036         }
2037
2038         XMLNode* node = new XMLNode (X_("copy"));
2039
2040         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
2041                 // Copy only plugins, sends, returns
2042                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
2043                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
2044                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
2045                         node->add_child_nocopy ((*i)->get_state());
2046                 }
2047         }
2048
2049         _rr_selection.set (node);
2050 }
2051
2052 void
2053 ProcessorBox::delete_processors (const ProcSelection& targets)
2054 {
2055         if (targets.empty()) {
2056                 return;
2057         }
2058
2059         no_processor_redisplay = true;
2060
2061         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
2062
2063                 Window* w = get_processor_ui (*i);
2064
2065                 if (w) {
2066                         w->hide ();
2067                 }
2068
2069                 _route->remove_processor(*i);
2070         }
2071
2072         no_processor_redisplay = false;
2073         redisplay_processors ();
2074 }
2075
2076 void
2077 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
2078 {
2079         list<boost::shared_ptr<Processor> >::const_iterator x;
2080
2081         no_processor_redisplay = true;
2082         for (x = procs.begin(); x != procs.end(); ++x) {
2083
2084                 Window* w = get_processor_ui (*x);
2085
2086                 if (w) {
2087                         w->hide ();
2088                 }
2089
2090                 _route->remove_processor(*x);
2091         }
2092
2093         no_processor_redisplay = false;
2094         redisplay_processors ();
2095 }
2096
2097 gint
2098 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
2099 {
2100         boost::shared_ptr<Processor> processor (weak_processor.lock());
2101
2102         if (!processor) {
2103                 return false;
2104         }
2105
2106         /* NOT copied to _mixer.selection() */
2107
2108         no_processor_redisplay = true;
2109         _route->remove_processor (processor);
2110         no_processor_redisplay = false;
2111         redisplay_processors ();
2112
2113         return false;
2114 }
2115
2116 void
2117 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
2118 {
2119         ArdourPrompter name_prompter (true);
2120         string result;
2121         name_prompter.set_title (_("Rename Processor"));
2122         name_prompter.set_prompt (_("New name:"));
2123         name_prompter.set_initial_text (processor->name());
2124         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
2125         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
2126         name_prompter.show_all ();
2127
2128         switch (name_prompter.run ()) {
2129
2130         case Gtk::RESPONSE_ACCEPT:
2131                 name_prompter.get_result (result);
2132                 if (result.length()) {
2133
2134                        int tries = 0;
2135                        string test = result;
2136
2137                        while (tries < 100) {
2138                                if (_session->io_name_is_legal (test)) {
2139                                        result = test;
2140                                        break;
2141                                }
2142                                tries++;
2143
2144                                test = string_compose ("%1-%2", result, tries);
2145                        }
2146
2147                        if (tries < 100) {
2148                                processor->set_name (result);
2149                        } else {
2150                                /* unlikely! */
2151                                ARDOUR_UI::instance()->popup_error
2152                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
2153                        }
2154                 }
2155                 break;
2156         }
2157
2158         return;
2159 }
2160
2161 void
2162 ProcessorBox::paste_processors ()
2163 {
2164         if (_rr_selection.processors.empty()) {
2165                 return;
2166         }
2167
2168         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
2169 }
2170
2171 void
2172 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
2173 {
2174
2175         if (_rr_selection.processors.empty()) {
2176                 return;
2177         }
2178
2179         paste_processor_state (_rr_selection.processors.get_node().children(), before);
2180 }
2181
2182 void
2183 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
2184 {
2185         XMLNodeConstIterator niter;
2186         list<boost::shared_ptr<Processor> > copies;
2187
2188         if (nlist.empty()) {
2189                 return;
2190         }
2191
2192         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
2193
2194                 XMLProperty const * type = (*niter)->property ("type");
2195                 XMLProperty const * role = (*niter)->property ("role");
2196                 assert (type);
2197
2198                 boost::shared_ptr<Processor> p;
2199                 try {
2200                         if (type->value() == "meter" ||
2201                             type->value() == "main-outs" ||
2202                             type->value() == "amp" ||
2203                             type->value() == "intreturn") {
2204                                 /* do not paste meter, main outs, amp or internal returns */
2205                                 continue;
2206
2207                         } else if (type->value() == "intsend") {
2208                                 
2209                                 /* aux sends are OK, but those used for
2210                                  * other purposes, are not.
2211                                  */
2212                                 
2213                                 assert (role);
2214
2215                                 if (role->value() != "Aux") {
2216                                         continue;
2217                                 }
2218
2219                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
2220                                 XMLNode n (**niter);
2221                                 InternalSend* s = new InternalSend (*_session, sendpan, _route->mute_master(),
2222                                                 _route, boost::shared_ptr<Route>(), Delivery::Aux);
2223
2224                                 IOProcessor::prepare_for_reset (n, s->name());
2225
2226                                 if (s->set_state (n, Stateful::loading_state_version)) {
2227                                         delete s;
2228                                         return;
2229                                 }
2230
2231                                 p.reset (s);
2232
2233                         } else if (type->value() == "send") {
2234
2235                                 boost::shared_ptr<Pannable> sendpan(new Pannable (*_session));
2236                                 XMLNode n (**niter);
2237
2238                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
2239
2240                                 IOProcessor::prepare_for_reset (n, s->name());
2241                                 
2242                                 if (s->set_state (n, Stateful::loading_state_version)) {
2243                                         delete s;
2244                                         return;
2245                                 }
2246
2247                                 p.reset (s);
2248
2249                         } else if (type->value() == "return") {
2250
2251                                 XMLNode n (**niter);
2252                                 Return* r = new Return (*_session);
2253
2254                                 IOProcessor::prepare_for_reset (n, r->name());
2255
2256                                 if (r->set_state (n, Stateful::loading_state_version)) {
2257                                         delete r;
2258                                         return;
2259                                 }
2260
2261                                 p.reset (r);
2262
2263                         } else if (type->value() == "port") {
2264
2265                                 XMLNode n (**niter);
2266                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
2267                                 
2268                                 IOProcessor::prepare_for_reset (n, pi->name());
2269                                 
2270                                 if (pi->set_state (n, Stateful::loading_state_version)) {
2271                                         return;
2272                                 }
2273                                 
2274                                 p.reset (pi);
2275
2276                         } else {
2277                                 /* XXX its a bit limiting to assume that everything else
2278                                    is a plugin.
2279                                 */
2280                                 p.reset (new PluginInsert (*_session));
2281                                 PBD::ID id = p->id();
2282                                 p->set_state (**niter, Stateful::current_state_version);
2283                                 boost::dynamic_pointer_cast<PluginInsert>(p)->update_id (id);
2284                         }
2285
2286                         copies.push_back (p);
2287                 }
2288
2289                 catch (...) {
2290                         error << _("plugin insert constructor failed") << endmsg;
2291                 }
2292         }
2293
2294         if (copies.empty()) {
2295                 return;
2296         }
2297
2298         if (_route->add_processors (copies, p)) {
2299
2300                 string msg = _(
2301                         "Copying the set of processors on the clipboard failed,\n\
2302 probably because the I/O configuration of the plugins\n\
2303 could not match the configuration of this track.");
2304                 MessageDialog am (msg);
2305                 am.run ();
2306         }
2307 }
2308
2309 void
2310 ProcessorBox::get_selected_processors (ProcSelection& processors) const
2311 {
2312         const list<ProcessorEntry*> selection = processor_display.selection ();
2313         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
2314                 processors.push_back ((*i)->processor ());
2315         }
2316 }
2317
2318 void
2319 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
2320 {
2321         list<ProcessorEntry*> selection = processor_display.selection ();
2322         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
2323                 (this->*method) ((*i)->processor ());
2324         }
2325 }
2326
2327 void
2328 ProcessorBox::all_visible_processors_active (bool state)
2329 {
2330         _route->all_visible_processors_active (state);
2331 }
2332
2333 void
2334 ProcessorBox::ab_plugins ()
2335 {
2336         _route->ab_plugins (ab_direction);
2337         ab_direction = !ab_direction;
2338 }
2339
2340
2341 void
2342 ProcessorBox::clear_processors ()
2343 {
2344         string prompt;
2345         vector<string> choices;
2346
2347         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
2348                                    "(this cannot be undone)"), _route->name());
2349
2350         choices.push_back (_("Cancel"));
2351         choices.push_back (_("Yes, remove them all"));
2352
2353         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
2354
2355         if (prompter.run () == 1) {
2356                 _route->clear_processors (PreFader);
2357                 _route->clear_processors (PostFader);
2358         }
2359 }
2360
2361 void
2362 ProcessorBox::clear_processors (Placement p)
2363 {
2364         string prompt;
2365         vector<string> choices;
2366
2367         if (p == PreFader) {
2368                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
2369                                            "(this cannot be undone)"), _route->name());
2370         } else {
2371                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
2372                                            "(this cannot be undone)"), _route->name());
2373         }
2374
2375         choices.push_back (_("Cancel"));
2376         choices.push_back (_("Yes, remove them all"));
2377
2378         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
2379
2380         if (prompter.run () == 1) {
2381                 _route->clear_processors (p);
2382         }
2383 }
2384
2385 bool
2386 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
2387 {
2388         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
2389         if (at && at->freeze_state() == AudioTrack::Frozen) {
2390                 return false;
2391         }
2392
2393         if (
2394                 boost::dynamic_pointer_cast<Send> (processor) ||
2395                 boost::dynamic_pointer_cast<Return> (processor) ||
2396                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
2397                 boost::dynamic_pointer_cast<PortInsert> (processor)
2398                 ) {
2399                 return true;
2400         }
2401
2402         return false;
2403 }
2404
2405 bool
2406 ProcessorBox::one_processor_can_be_edited ()
2407 {
2408         list<ProcessorEntry*> selection = processor_display.selection ();
2409         list<ProcessorEntry*>::iterator i = selection.begin();
2410         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
2411                 ++i;
2412         }
2413
2414         return (i != selection.end());
2415 }
2416
2417 Gtk::Window*
2418 ProcessorBox::get_editor_window (boost::shared_ptr<Processor> processor, bool use_custom)
2419 {
2420         boost::shared_ptr<Send> send;
2421         boost::shared_ptr<InternalSend> internal_send;
2422         boost::shared_ptr<Return> retrn;
2423         boost::shared_ptr<PluginInsert> plugin_insert;
2424         boost::shared_ptr<PortInsert> port_insert;
2425         Window* gidget = 0;
2426
2427         /* This method may or may not return a Window, but if it does not it
2428          * will modify the parent mixer strip appearance layout to allow
2429          * "editing" the @param processor that was passed in.
2430          *
2431          * So for example, if the processor is an Amp (gain), the parent strip
2432          * will be forced back into a model where the fader controls the main gain.
2433          * If the processor is a send, then we map the send controls onto the
2434          * strip.
2435          * 
2436          * Plugins and others will return a window for control.
2437          */
2438
2439         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
2440
2441                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
2442                         return 0;
2443                 }
2444         }
2445
2446         if (boost::dynamic_pointer_cast<Amp> (processor)) {
2447
2448                 if (_parent_strip) {
2449                         _parent_strip->revert_to_default_display ();
2450                 }
2451
2452         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2453
2454                 if (!_session->engine().connected()) {
2455                         return 0;
2456                 }
2457
2458                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
2459
2460                         gidget = new SendUIWindow (send, _session);
2461                 }
2462
2463         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
2464
2465                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
2466                         /* no GUI for these */
2467                         return 0;
2468                 }
2469
2470                 if (!_session->engine().connected()) {
2471                         return 0;
2472                 }
2473
2474                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
2475
2476                 ReturnUIWindow *return_ui;
2477                 Window* w = get_processor_ui (retrn);
2478
2479                 if (w == 0) {
2480
2481                         return_ui = new ReturnUIWindow (retrn, _session);
2482                         return_ui->set_title (retrn->name ());
2483                         set_processor_ui (send, return_ui);
2484
2485                 } else {
2486                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
2487                 }
2488
2489                 gidget = return_ui;
2490
2491         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2492
2493                 PluginUIWindow *plugin_ui;
2494
2495                 /* these are both allowed to be null */
2496
2497                 Window* w = get_processor_ui (plugin_insert);
2498
2499                 if (w == 0) {
2500                         plugin_ui = new PluginUIWindow (plugin_insert, false, use_custom);
2501                         plugin_ui->set_title (generate_processor_title (plugin_insert));
2502                         set_processor_ui (plugin_insert, plugin_ui);
2503
2504                 } else {
2505                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
2506                 }
2507
2508                 gidget = plugin_ui;
2509
2510         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
2511
2512                 if (!_session->engine().connected()) {
2513                         MessageDialog msg ( _("Not connected to audio engine - no I/O changes are possible"));
2514                         msg.run ();
2515                         return 0;
2516                 }
2517
2518                 PortInsertWindow *io_selector;
2519
2520                 Window* w = get_processor_ui (port_insert);
2521
2522                 if (w == 0) {
2523                         io_selector = new PortInsertWindow (_session, port_insert);
2524                         set_processor_ui (port_insert, io_selector);
2525
2526                 } else {
2527                         io_selector = dynamic_cast<PortInsertWindow *> (w);
2528                 }
2529
2530                 gidget = io_selector;
2531         }
2532
2533         return gidget;
2534 }
2535
2536 Gtk::Window*
2537 ProcessorBox::get_generic_editor_window (boost::shared_ptr<Processor> processor)
2538 {
2539         boost::shared_ptr<PluginInsert> plugin_insert
2540                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
2541
2542         if (!plugin_insert) {
2543                 return 0;
2544         }
2545
2546         PluginUIWindow* win = new PluginUIWindow (plugin_insert, true, false);
2547         win->set_title (generate_processor_title (plugin_insert));
2548
2549         return win;
2550 }
2551
2552 void
2553 ProcessorBox::register_actions ()
2554 {
2555         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("ProcessorMenu"));
2556         Glib::RefPtr<Action> act;
2557
2558         /* new stuff */
2559         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
2560                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
2561
2562         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
2563                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
2564         ActionManager::engine_sensitive_actions.push_back (act);
2565         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New External Send ..."),
2566                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
2567         ActionManager::engine_sensitive_actions.push_back (act);
2568
2569         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
2570
2571         ActionManager::register_action (popup_act_grp, X_("controls"), _("Controls"));
2572         ActionManager::register_action (popup_act_grp, X_("send_options"), _("Send Options"));
2573
2574         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
2575                         sigc::ptr_fun (ProcessorBox::rb_clear));
2576         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
2577                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
2578         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
2579                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
2580
2581         /* standard editing stuff */
2582         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
2583                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
2584         copy_action = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
2585                         sigc::ptr_fun (ProcessorBox::rb_copy));
2586         delete_action = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
2587                         sigc::ptr_fun (ProcessorBox::rb_delete));
2588
2589         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
2590                         sigc::ptr_fun (ProcessorBox::rb_paste));
2591         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
2592                         sigc::ptr_fun (ProcessorBox::rb_rename));
2593         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
2594                         sigc::ptr_fun (ProcessorBox::rb_select_all));
2595         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
2596                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
2597
2598         /* activation etc. */
2599
2600         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate All"),
2601                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
2602         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate All"),
2603                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
2604         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
2605                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
2606
2607         /* show editors */
2608         edit_action = ActionManager::register_action (
2609                 popup_act_grp, X_("edit"), _("Edit..."),
2610                 sigc::ptr_fun (ProcessorBox::rb_edit));
2611
2612         edit_generic_action = ActionManager::register_action (
2613                 popup_act_grp, X_("edit-generic"), _("Edit with generic controls..."),
2614                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
2615
2616         ActionManager::add_action_group (popup_act_grp);
2617 }
2618
2619 void
2620 ProcessorBox::rb_edit_generic ()
2621 {
2622         if (_current_processor_box == 0) {
2623                 return;
2624         }
2625
2626         _current_processor_box->for_selected_processors (&ProcessorBox::generic_edit_processor);
2627 }
2628
2629 void
2630 ProcessorBox::rb_ab_plugins ()
2631 {
2632         if (_current_processor_box == 0) {
2633                 return;
2634         }
2635
2636         _current_processor_box->ab_plugins ();
2637 }
2638
2639 void
2640 ProcessorBox::rb_choose_plugin ()
2641 {
2642         if (_current_processor_box == 0) {
2643                 return;
2644         }
2645         _current_processor_box->choose_plugin ();
2646 }
2647
2648 void
2649 ProcessorBox::rb_choose_insert ()
2650 {
2651         if (_current_processor_box == 0) {
2652                 return;
2653         }
2654         _current_processor_box->choose_insert ();
2655 }
2656
2657 void
2658 ProcessorBox::rb_choose_send ()
2659 {
2660         if (_current_processor_box == 0) {
2661                 return;
2662         }
2663         _current_processor_box->choose_send ();
2664 }
2665
2666 void
2667 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2668 {
2669         if (_current_processor_box == 0) {
2670                 return;
2671         }
2672
2673         _current_processor_box->choose_aux (wr);
2674 }
2675
2676 void
2677 ProcessorBox::rb_clear ()
2678 {
2679         if (_current_processor_box == 0) {
2680                 return;
2681         }
2682
2683         _current_processor_box->clear_processors ();
2684 }
2685
2686
2687 void
2688 ProcessorBox::rb_clear_pre ()
2689 {
2690         if (_current_processor_box == 0) {
2691                 return;
2692         }
2693
2694         _current_processor_box->clear_processors (PreFader);
2695 }
2696
2697
2698 void
2699 ProcessorBox::rb_clear_post ()
2700 {
2701         if (_current_processor_box == 0) {
2702                 return;
2703         }
2704
2705         _current_processor_box->clear_processors (PostFader);
2706 }
2707
2708 void
2709 ProcessorBox::rb_cut ()
2710 {
2711         if (_current_processor_box == 0) {
2712                 return;
2713         }
2714
2715         _current_processor_box->processor_operation (ProcessorsCut);
2716 }
2717
2718 void
2719 ProcessorBox::rb_delete ()
2720 {
2721         if (_current_processor_box == 0) {
2722                 return;
2723         }
2724
2725         _current_processor_box->processor_operation (ProcessorsDelete);
2726 }
2727
2728 void
2729 ProcessorBox::rb_copy ()
2730 {
2731         if (_current_processor_box == 0) {
2732                 return;
2733         }
2734         _current_processor_box->processor_operation (ProcessorsCopy);
2735 }
2736
2737 void
2738 ProcessorBox::rb_paste ()
2739 {
2740         if (_current_processor_box == 0) {
2741                 return;
2742         }
2743
2744         _current_processor_box->processor_operation (ProcessorsPaste);
2745 }
2746
2747 void
2748 ProcessorBox::rb_rename ()
2749 {
2750         if (_current_processor_box == 0) {
2751                 return;
2752         }
2753         _current_processor_box->rename_processors ();
2754 }
2755
2756 void
2757 ProcessorBox::rb_select_all ()
2758 {
2759         if (_current_processor_box == 0) {
2760                 return;
2761         }
2762
2763         _current_processor_box->processor_operation (ProcessorsSelectAll);
2764 }
2765
2766 void
2767 ProcessorBox::rb_deselect_all ()
2768 {
2769         if (_current_processor_box == 0) {
2770                 return;
2771         }
2772
2773         _current_processor_box->deselect_all_processors ();
2774 }
2775
2776 void
2777 ProcessorBox::rb_activate_all ()
2778 {
2779         if (_current_processor_box == 0) {
2780                 return;
2781         }
2782
2783         _current_processor_box->all_visible_processors_active (true);
2784 }
2785
2786 void
2787 ProcessorBox::rb_deactivate_all ()
2788 {
2789         if (_current_processor_box == 0) {
2790                 return;
2791         }
2792         _current_processor_box->all_visible_processors_active (false);
2793 }
2794
2795 void
2796 ProcessorBox::rb_edit ()
2797 {
2798         if (_current_processor_box == 0) {
2799                 return;
2800         }
2801
2802         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
2803 }
2804
2805 bool
2806 ProcessorBox::edit_aux_send (boost::shared_ptr<Processor> processor)
2807 {
2808         if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
2809                 return false;
2810         }
2811
2812         if (_parent_strip) {
2813                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
2814                 if (_parent_strip->current_delivery() == send) {
2815                         _parent_strip->revert_to_default_display ();
2816                 } else {
2817                         _parent_strip->show_send(send);
2818                 }
2819         }
2820         return true;
2821 }
2822
2823 void
2824 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
2825 {
2826         if (!processor) {
2827                 return;
2828         }
2829         if (edit_aux_send (processor)) {
2830                 return;
2831         }
2832
2833         ProcessorWindowProxy* proxy = find_window_proxy (processor);
2834
2835         if (proxy) {
2836                 proxy->set_custom_ui_mode (true);
2837                 proxy->toggle ();
2838         }
2839 }
2840
2841 void
2842 ProcessorBox::generic_edit_processor (boost::shared_ptr<Processor> processor)
2843 {
2844         if (!processor) {
2845                 return;
2846         }
2847         if (edit_aux_send (processor)) {
2848                 return;
2849         }
2850
2851         ProcessorWindowProxy* proxy = find_window_proxy (processor);
2852
2853         if (proxy) {
2854                 proxy->set_custom_ui_mode (false);
2855                 proxy->toggle ();
2856         }
2857 }
2858
2859 void
2860 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2861 {
2862         if (!what_changed.contains (ARDOUR::Properties::name)) {
2863                 return;
2864         }
2865
2866         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2867
2868         boost::shared_ptr<Processor> processor;
2869         boost::shared_ptr<PluginInsert> plugin_insert;
2870         boost::shared_ptr<Send> send;
2871
2872         list<ProcessorEntry*> children = processor_display.children();
2873
2874         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2875
2876                 processor = (*iter)->processor ();
2877
2878                 if (!processor) {
2879                         continue;
2880                 }
2881
2882                 Window* w = get_processor_ui (processor);
2883
2884                 if (!w) {
2885                         continue;
2886                 }
2887
2888                 /* rename editor windows for sends and plugins */
2889
2890                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2891                         w->set_title (send->name ());
2892                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2893                         w->set_title (generate_processor_title (plugin_insert));
2894                 }
2895         }
2896 }
2897
2898 string
2899 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2900 {
2901         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2902         string::size_type email_pos;
2903
2904         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2905                 maker = maker.substr (0, email_pos - 1);
2906         }
2907
2908         if (maker.length() > 32) {
2909                 maker = maker.substr (0, 32);
2910                 maker += " ...";
2911         }
2912
2913         SessionObject* owner = pi->owner();
2914
2915         if (owner) {
2916                 return string_compose(_("%1: %2 (by %3)"), owner->name(), pi->name(), maker);
2917         } else {
2918                 return string_compose(_("%1 (by %2)"), pi->name(), maker);
2919         }
2920 }
2921
2922 /** @param p Processor.
2923  *  @return the UI window for \a p.
2924  */
2925 Window *
2926 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2927 {
2928         ProcessorWindowProxy* wp = p->window_proxy();
2929         if (wp) {
2930                 return wp->get ();
2931         }
2932         return 0;
2933 }
2934
2935 /** Make a note of the UI window that a processor is using.
2936  *  @param p Processor.
2937  *  @param w UI window.
2938  */
2939 void
2940 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2941 {
2942         assert (p->window_proxy());
2943         p->set_ui (w);
2944         p->window_proxy()->use_window (*w);
2945 }
2946
2947 void
2948 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2949 {
2950         boost::shared_ptr<Delivery> d = w.lock ();
2951         if (!d) {
2952                 return;
2953         }
2954
2955         list<ProcessorEntry*> children = processor_display.children ();
2956         list<ProcessorEntry*>::const_iterator i = children.begin();
2957         while (i != children.end() && (*i)->processor() != d) {
2958                 ++i;
2959         }
2960
2961         if (i == children.end()) {
2962                 processor_display.set_active (0);
2963         } else {
2964                 processor_display.set_active (*i);
2965         }
2966 }
2967
2968 /** Called to repair the damage of Editor::show_window doing a show_all() */
2969 void
2970 ProcessorBox::hide_things ()
2971 {
2972         list<ProcessorEntry*> c = processor_display.children ();
2973         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2974                 (*i)->hide_things ();
2975         }
2976 }
2977
2978 void
2979 ProcessorBox::processor_menu_unmapped ()
2980 {
2981         processor_display.remove_placeholder ();
2982 }
2983
2984 XMLNode *
2985 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
2986 {
2987         if (!_parent_strip) {
2988                 return 0;
2989         }
2990
2991         GUIObjectState& st = _parent_strip->gui_object_state ();
2992         
2993         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2994         assert (strip);
2995         return st.get_or_add_node (strip, entry->state_id());
2996 }
2997
2998 void
2999 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
3000 {
3001         XMLNode* proc = entry_gui_object_state (entry);
3002         if (!proc) {
3003                 return;
3004         }
3005
3006         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
3007         proc->remove_nodes_and_delete (X_("Object"));
3008         entry->add_control_state (proc);
3009 }
3010
3011 bool
3012 ProcessorBox::is_editor_mixer_strip() const
3013 {
3014         return _parent_strip && !_parent_strip->mixer_owned();
3015 }
3016
3017 ProcessorWindowProxy::ProcessorWindowProxy (string const & name, ProcessorBox* box, boost::weak_ptr<Processor> processor)
3018         : WM::ProxyBase (name, string())
3019         , _processor_box (box)
3020         , _processor (processor)
3021         , is_custom (false)
3022         , want_custom (false)
3023 {
3024         boost::shared_ptr<Processor> p = _processor.lock ();
3025         if (!p) {
3026                 return;
3027         }
3028         p->DropReferences.connect (going_away_connection, MISSING_INVALIDATOR, boost::bind (&ProcessorWindowProxy::processor_going_away, this), gui_context());
3029 }
3030
3031 ProcessorWindowProxy::~ProcessorWindowProxy()
3032 {
3033         /* processor window proxies do not own the windows they create with
3034          * ::get(), so set _window to null before the normal WindowProxy method
3035          * deletes it.
3036          */
3037         _window = 0;
3038 }
3039
3040 void
3041 ProcessorWindowProxy::processor_going_away ()
3042 {
3043         delete _window;
3044         _window = 0;
3045         WM::Manager::instance().remove (this);
3046         /* should be no real reason to do this, since the object that would
3047            send DropReferences is about to be deleted, but lets do it anyway.
3048         */
3049         going_away_connection.disconnect();
3050 }
3051
3052 ARDOUR::SessionHandlePtr*
3053 ProcessorWindowProxy::session_handle() 
3054 {
3055         /* we don't care */
3056         return 0;
3057 }
3058
3059 XMLNode&
3060 ProcessorWindowProxy::get_state () const
3061 {
3062         XMLNode *node;
3063         node = &ProxyBase::get_state();
3064         node->add_property (X_("custom-ui"), is_custom? X_("yes") : X_("no"));
3065         return *node;
3066 }
3067
3068 void
3069 ProcessorWindowProxy::set_state (const XMLNode& node)
3070 {
3071         XMLNodeList children = node.children ();
3072         XMLNodeList::const_iterator i = children.begin ();
3073         while (i != children.end()) {
3074                 XMLProperty* prop = (*i)->property (X_("name"));
3075                 if ((*i)->name() == X_("Window") && prop && prop->value() == _name) {
3076                         break;
3077                 }
3078                 ++i;
3079         }
3080
3081         if (i != children.end()) {
3082                 XMLProperty* prop;
3083                 if ((prop = (*i)->property (X_("custom-ui"))) != 0) {
3084                         want_custom = PBD::string_is_affirmative (prop->value ());
3085                 }
3086         }
3087
3088         ProxyBase::set_state(node);
3089 }
3090
3091 Gtk::Window*
3092 ProcessorWindowProxy::get (bool create)
3093 {
3094         boost::shared_ptr<Processor> p = _processor.lock ();
3095
3096         if (!p) {
3097                 return 0;
3098         }
3099         if (_window && (is_custom != want_custom)) {
3100                 /* drop existing window - wrong type */
3101                 drop_window ();
3102         }
3103
3104         if (!_window) {
3105                 if (!create) {
3106                         return 0;
3107                 }
3108                 
3109                 is_custom = want_custom;
3110                 _window = _processor_box->get_editor_window (p, is_custom);
3111
3112                 if (_window) {
3113                         setup ();
3114                 }
3115         }
3116
3117         return _window;
3118 }
3119
3120 void
3121 ProcessorWindowProxy::toggle ()
3122 {
3123         if (_window && (is_custom != want_custom)) {
3124                 /* drop existing window - wrong type */
3125                 drop_window ();
3126         }
3127         is_custom = want_custom;
3128
3129         WM::ProxyBase::toggle ();
3130 }