convert from Glib:: to Glib::Threads for all thread-related API
[ardour.git] / gtk2_ardour / processor_box.cc
1 /*
2     Copyright (C) 2000-2004 Paul Davis
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #ifdef WAF_BUILD
21 #include "gtk2ardour-config.h"
22 #endif
23
24 #include <cmath>
25 #include <iostream>
26 #include <set>
27
28 #include <sigc++/bind.h>
29
30 #include "pbd/convert.h"
31
32 #include <glibmm/miscutils.h>
33
34 #include <gtkmm/messagedialog.h>
35
36 #include <gtkmm2ext/gtk_ui.h>
37 #include <gtkmm2ext/utils.h>
38 #include <gtkmm2ext/choice.h>
39 #include <gtkmm2ext/utils.h>
40 #include <gtkmm2ext/doi.h>
41
42 #include "ardour/amp.h"
43 #include "ardour/audio_track.h"
44 #include "ardour/audioengine.h"
45 #include "ardour/internal_return.h"
46 #include "ardour/internal_send.h"
47 #include "ardour/plugin_insert.h"
48 #include "ardour/port_insert.h"
49 #include "ardour/profile.h"
50 #include "ardour/return.h"
51 #include "ardour/route.h"
52 #include "ardour/send.h"
53 #include "ardour/session.h"
54 #include "ardour/types.h"
55
56 #include "actions.h"
57 #include "ardour_dialog.h"
58 #include "ardour_ui.h"
59 #include "gui_thread.h"
60 #include "io_selector.h"
61 #include "keyboard.h"
62 #include "mixer_ui.h"
63 #include "mixer_strip.h"
64 #include "plugin_selector.h"
65 #include "plugin_ui.h"
66 #include "port_insert_ui.h"
67 #include "processor_box.h"
68 #include "public_editor.h"
69 #include "return_ui.h"
70 #include "route_processor_selection.h"
71 #include "send_ui.h"
72 #include "utils.h"
73
74 #include "i18n.h"
75
76 #ifdef AUDIOUNIT_SUPPORT
77 class AUPluginUI;
78 #endif
79
80 using namespace std;
81 using namespace ARDOUR;
82 using namespace PBD;
83 using namespace Gtk;
84 using namespace Glib;
85 using namespace Gtkmm2ext;
86
87 ProcessorBox* ProcessorBox::_current_processor_box = 0;
88 RefPtr<Action> ProcessorBox::paste_action;
89 RefPtr<Action> ProcessorBox::cut_action;
90 RefPtr<Action> ProcessorBox::rename_action;
91 RefPtr<Action> ProcessorBox::edit_action;
92 RefPtr<Action> ProcessorBox::edit_generic_action;
93 Glib::RefPtr<Gdk::Pixbuf> ProcessorEntry::_slider_pixbuf;
94 Glib::RefPtr<Gdk::Pixbuf> ProcessorEntry::_slider_pixbuf_desensitised;
95
96 ProcessorEntry::ProcessorEntry (ProcessorBox* parent, boost::shared_ptr<Processor> p, Width w)
97         : _button (ArdourButton::led_default_elements)
98         , _position (PreFader)
99         , _parent (parent)
100         , _processor (p)
101         , _width (w)
102         , _visual_state (Gtk::STATE_NORMAL)
103 {
104         _vbox.show ();
105         
106         _button.set_diameter (3);
107         _button.set_distinct_led_click (true);
108         _button.set_led_left (true);
109         _button.signal_led_clicked.connect (sigc::mem_fun (*this, &ProcessorEntry::led_clicked));
110         _button.set_text (name (_width));
111
112         if (_processor) {
113
114                 _vbox.pack_start (_button, true, true);
115
116                 _button.set_active (_processor->active());
117                 _button.show ();
118                 
119                 _processor->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_active_changed, this), gui_context());
120                 _processor->PropertyChanged.connect (name_connection, invalidator (*this), boost::bind (&ProcessorEntry::processor_property_changed, this, _1), gui_context());
121
122                 set<Evoral::Parameter> p = _processor->what_can_be_automated ();
123                 for (set<Evoral::Parameter>::iterator i = p.begin(); i != p.end(); ++i) {
124                         
125                         Control* c = new Control (
126                                 _slider_pixbuf,
127                                 _slider_pixbuf_desensitised,
128                                 _processor->automation_control (*i),
129                                 _processor->describe_parameter (*i)
130                                 );
131                         
132                         _controls.push_back (c);
133
134                         if (boost::dynamic_pointer_cast<Amp> (_processor) == 0) {
135                                 /* Add non-Amp controls to the processor box */
136                                 _vbox.pack_start (c->box);
137                         }
138
139                         if (boost::dynamic_pointer_cast<Send> (_processor)) {
140                                 /* Don't label send faders */
141                                 c->hide_label ();
142                         }
143                 }
144
145                 setup_tooltip ();
146                 setup_visuals ();
147         } else {
148                 _vbox.set_size_request (-1, _button.size_request().height);
149         }
150 }
151
152 ProcessorEntry::~ProcessorEntry ()
153 {
154         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
155                 delete *i;
156         }
157 }
158
159 EventBox&
160 ProcessorEntry::action_widget ()
161 {
162         return _button;
163 }
164
165 Gtk::Widget&
166 ProcessorEntry::widget ()
167 {
168         return _vbox;
169 }
170
171 string
172 ProcessorEntry::drag_text () const
173 {
174         return name (Wide);
175 }
176
177 void
178 ProcessorEntry::set_position (Position p)
179 {
180         _position = p;
181         setup_visuals ();
182 }
183
184 void
185 ProcessorEntry::set_visual_state (Gtkmm2ext::VisualState s, bool yn)
186 {
187         if (yn) {
188                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() | s));
189         } else {
190                 _button.set_visual_state (Gtkmm2ext::VisualState (_button.visual_state() & ~s));
191         }
192 }
193
194 void
195 ProcessorEntry::setup_visuals ()
196 {
197         switch (_position) {
198         case PreFader:
199                 _button.set_name ("processor prefader");
200                 break;
201
202         case Fader:
203                 _button.set_name ("processor fader");
204                 break;
205
206         case PostFader:
207                 _button.set_name ("processor postfader");
208                 break;
209         }
210 }
211
212
213 boost::shared_ptr<Processor>
214 ProcessorEntry::processor () const
215 {
216         return _processor;
217 }
218
219 void
220 ProcessorEntry::set_enum_width (Width w)
221 {
222         _width = w;
223 }
224
225 void
226 ProcessorEntry::led_clicked()
227 {
228         if (_processor) {
229                 if (_button.get_active ()) {
230                         _processor->deactivate ();
231                 } else {
232                         _processor->activate ();
233                 }
234         }
235 }
236
237 void
238 ProcessorEntry::processor_active_changed ()
239 {
240         if (_processor) {
241                 _button.set_active (_processor->active());
242         }
243 }
244
245 void
246 ProcessorEntry::processor_property_changed (const PropertyChange& what_changed)
247 {
248         if (what_changed.contains (ARDOUR::Properties::name)) {
249                 _button.set_text (name (_width));
250                 setup_tooltip ();
251         }
252 }
253
254 void
255 ProcessorEntry::setup_tooltip ()
256 {
257         ARDOUR_UI::instance()->set_tip (_button, name (Wide));
258 }
259
260 string
261 ProcessorEntry::name (Width w) const
262 {
263         boost::shared_ptr<Send> send;
264         string name_display;
265
266         if (!_processor) {
267                 return string();
268         }
269
270         if ((send = boost::dynamic_pointer_cast<Send> (_processor)) != 0 &&
271             !boost::dynamic_pointer_cast<InternalSend>(_processor)) {
272
273                 name_display += '>';
274
275                 /* grab the send name out of its overall name */
276
277                 string::size_type lbracket, rbracket;
278                 lbracket = send->name().find ('[');
279                 rbracket = send->name().find (']');
280
281                 switch (w) {
282                 case Wide:
283                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
284                         break;
285                 case Narrow:
286                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
287                         break;
288                 }
289
290         } else {
291
292                 switch (w) {
293                 case Wide:
294                         name_display += _processor->display_name();
295                         break;
296                 case Narrow:
297                         name_display += PBD::short_version (_processor->display_name(), 5);
298                         break;
299                 }
300
301         }
302
303         return name_display;
304 }
305
306 void
307 ProcessorEntry::setup_slider_pix ()
308 {
309         _slider_pixbuf = ::get_icon ("fader_belt_h_thin");
310         assert (_slider_pixbuf);
311         _slider_pixbuf_desensitised = ::get_icon ("fader_belt_h_thin_desensitised");
312         assert (_slider_pixbuf_desensitised);
313 }
314
315 void
316 ProcessorEntry::set_pixel_width (int p)
317 {
318         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
319                 (*i)->set_pixel_width (p);
320         }
321 }
322
323 void
324 ProcessorEntry::show_all_controls ()
325 {
326         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
327                 (*i)->set_visible (true);
328         }
329
330         _parent->update_gui_object_state (this);
331 }
332
333 void
334 ProcessorEntry::hide_all_controls ()
335 {
336         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
337                 (*i)->set_visible (false);
338         }
339
340         _parent->update_gui_object_state (this);
341 }
342
343 void
344 ProcessorEntry::add_control_state (XMLNode* node) const
345 {
346         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
347                 (*i)->add_state (node);
348         }
349 }
350
351 void
352 ProcessorEntry::set_control_state (XMLNode const * node)
353 {
354         for (list<Control*>::const_iterator i = _controls.begin(); i != _controls.end(); ++i) {
355                 (*i)->set_state (node);
356         }
357 }
358
359 string
360 ProcessorEntry::state_id () const
361 {
362         return string_compose ("processor %1", _processor->id().to_s());
363 }
364
365 void
366 ProcessorEntry::hide_things ()
367 {
368         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
369                 (*i)->hide_things ();
370         }
371 }
372
373
374 Menu *
375 ProcessorEntry::build_controls_menu ()
376 {
377         using namespace Menu_Helpers;
378         Menu* menu = manage (new Menu);
379         MenuList& items = menu->items ();
380
381         items.push_back (
382                 MenuElem (_("Show All Controls"), sigc::mem_fun (*this, &ProcessorEntry::show_all_controls))
383                 );
384                 
385         items.push_back (
386                 MenuElem (_("Hide All Controls"), sigc::mem_fun (*this, &ProcessorEntry::hide_all_controls))
387                 );
388
389         if (!_controls.empty ()) {
390                 items.push_back (SeparatorElem ());
391         }
392         
393         for (list<Control*>::iterator i = _controls.begin(); i != _controls.end(); ++i) {
394                 items.push_back (CheckMenuElem ((*i)->name ()));
395                 CheckMenuItem* c = dynamic_cast<CheckMenuItem*> (&items.back ());
396                 c->set_active ((*i)->visible ());
397                 c->signal_toggled().connect (sigc::bind (sigc::mem_fun (*this, &ProcessorEntry::toggle_control_visibility), *i));
398         }
399
400         return menu;
401 }
402
403 void
404 ProcessorEntry::toggle_control_visibility (Control* c)
405 {
406         c->set_visible (!c->visible ());
407         _parent->update_gui_object_state (this);
408 }
409
410 ProcessorEntry::Control::Control (Glib::RefPtr<Gdk::Pixbuf> s, Glib::RefPtr<Gdk::Pixbuf> sd, boost::shared_ptr<AutomationControl> c, string const & n)
411         : _control (c)
412         , _adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0, 1, 0.01, 0.1)
413         , _slider (s, sd, &_adjustment, 0, false)
414         , _slider_persistant_tooltip (&_slider)
415         , _button (ArdourButton::Element (ArdourButton::Text | ArdourButton::Indicator))
416         , _ignore_ui_adjustment (false)
417         , _visible (false)
418         , _name (n)
419 {
420         _slider.set_controllable (c);
421
422         if (c->toggled()) {
423                 _button.set_text (_name);
424                 _button.set_led_left (true);
425                 _button.set_name ("processor control button");
426                 box.pack_start (_button);
427                 _button.show ();
428
429                 _button.signal_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
430                 _button.signal_led_clicked.connect (sigc::mem_fun (*this, &Control::button_clicked));
431                 c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
432
433         } else {
434                 
435                 box.pack_start (_label);
436                 _label.show ();
437                 _label.set_text (_name);
438                 box.pack_start (_slider);
439                 _slider.show ();
440
441                 double const lo = c->internal_to_interface (c->lower ());
442                 double const up = c->internal_to_interface (c->upper ());
443                 
444                 _adjustment.set_lower (lo);
445                 _adjustment.set_upper (up);
446                 _adjustment.set_step_increment ((up - lo) / 100);
447                 _adjustment.set_page_increment ((up - lo) / 10);
448                 _slider.set_default_value (c->internal_to_interface (c->normal ()));
449                 
450                 _adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &Control::slider_adjusted));
451                 c->Changed.connect (_connection, MISSING_INVALIDATOR, boost::bind (&Control::control_changed, this), gui_context ());
452         }
453
454         ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &Control::control_changed));
455         
456         control_changed ();
457         set_tooltip ();
458
459         /* We're providing our own PersistentTooltip */
460         set_no_tooltip_whatsoever (_slider);
461 }
462
463 void
464 ProcessorEntry::Control::set_tooltip ()
465 {
466         boost::shared_ptr<AutomationControl> c = _control.lock ();
467
468         if (!c) {
469                 return;
470         }
471         
472         stringstream s;
473         s << _name << ": ";
474         if (c->toggled ()) {
475                 s << (c->get_value() > 0.5 ? _("on") : _("off"));
476         } else {
477                 s << setprecision(2) << fixed;
478                 s << c->internal_to_user (c->get_value ());
479         }
480         
481         ARDOUR_UI::instance()->set_tip (_label, s.str ());
482         _slider_persistant_tooltip.set_tip (s.str ());
483         ARDOUR_UI::instance()->set_tip (_button, s.str ());
484 }
485
486 void
487 ProcessorEntry::Control::set_pixel_width (int p)
488 {
489         _slider.set_fader_length (p);
490 }
491
492 void
493 ProcessorEntry::Control::slider_adjusted ()
494 {
495         if (_ignore_ui_adjustment) {
496                 return;
497         }
498         
499         boost::shared_ptr<AutomationControl> c = _control.lock ();
500
501         if (!c) {
502                 return;
503         }
504
505         c->set_value (c->interface_to_internal (_adjustment.get_value ()));
506         set_tooltip ();
507 }
508
509 void
510 ProcessorEntry::Control::button_clicked ()
511 {
512         boost::shared_ptr<AutomationControl> c = _control.lock ();
513
514         if (!c) {
515                 return;
516         }
517
518         bool const n = _button.get_active ();
519
520         c->set_value (n ? 0 : 1);
521         _button.set_active (!n);
522 }
523
524 void
525 ProcessorEntry::Control::control_changed ()
526 {
527         boost::shared_ptr<AutomationControl> c = _control.lock ();
528         if (!c) {
529                 return;
530         }
531
532         _ignore_ui_adjustment = true;
533
534         if (c->toggled ()) {
535
536                 _button.set_active (c->get_value() > 0.5);
537                 
538         } else {
539
540                 _adjustment.set_value (c->internal_to_interface (c->get_value ()));
541                 
542                 stringstream s;
543                 s.precision (1);
544                 s.setf (ios::fixed, ios::floatfield);
545                 s << c->internal_to_user (c->get_value ());
546         }
547         
548         _ignore_ui_adjustment = false;
549 }
550
551 void
552 ProcessorEntry::Control::add_state (XMLNode* node) const
553 {
554         XMLNode* c = new XMLNode (X_("Object"));
555         c->add_property (X_("id"), state_id ());
556         c->add_property (X_("visible"), _visible);
557         node->add_child_nocopy (*c);
558 }
559
560 void
561 ProcessorEntry::Control::set_state (XMLNode const * node)
562 {
563         XMLNode* n = GUIObjectState::get_node (node, state_id ());
564         if (n) {
565                 XMLProperty* p = n->property (X_("visible"));
566                 set_visible (p && string_is_affirmative (p->value ()));
567         } else {
568                 set_visible (false);
569         }
570 }
571
572 void
573 ProcessorEntry::Control::set_visible (bool v)
574 {
575         if (v) {
576                 box.show ();
577         } else {
578                 box.hide ();
579         }
580         
581         _visible = v;
582 }
583
584 /** Called when the Editor might have re-shown things that
585     we want hidden.
586 */
587 void
588 ProcessorEntry::Control::hide_things ()
589 {
590         if (!_visible) {
591                 box.hide ();
592         }
593 }
594
595 void
596 ProcessorEntry::Control::hide_label ()
597 {
598         _label.hide ();
599 }
600
601 string
602 ProcessorEntry::Control::state_id () const
603 {
604         boost::shared_ptr<AutomationControl> c = _control.lock ();
605         assert (c);
606
607         return string_compose (X_("control %1"), c->id().to_s ());
608 }
609
610 BlankProcessorEntry::BlankProcessorEntry (ProcessorBox* b, Width w)
611         : ProcessorEntry (b, boost::shared_ptr<Processor>(), w)
612 {
613 }
614
615 PluginInsertProcessorEntry::PluginInsertProcessorEntry (ProcessorBox* b, boost::shared_ptr<ARDOUR::PluginInsert> p, Width w)
616         : ProcessorEntry (b, p, w)
617         , _plugin_insert (p)
618 {
619         p->SplittingChanged.connect (
620                 _splitting_connection, invalidator (*this), boost::bind (&PluginInsertProcessorEntry::plugin_insert_splitting_changed, this), gui_context()
621                 );
622
623         _splitting_icon.set_size_request (-1, 12);
624
625         _vbox.pack_start (_splitting_icon);
626         _vbox.reorder_child (_splitting_icon, 0);
627
628         plugin_insert_splitting_changed ();
629 }
630
631 void
632 PluginInsertProcessorEntry::plugin_insert_splitting_changed ()
633 {
634         if (_plugin_insert->splitting ()) {
635                 _splitting_icon.show ();
636         } else {
637                 _splitting_icon.hide ();
638         }
639 }
640
641 void
642 PluginInsertProcessorEntry::hide_things ()
643 {
644         ProcessorEntry::hide_things ();
645         plugin_insert_splitting_changed ();
646 }
647
648 void
649 PluginInsertProcessorEntry::setup_visuals ()
650 {
651         switch (_position) {
652         case PreFader:
653                 _splitting_icon.set_name ("ProcessorPreFader");
654                 break;
655
656         case Fader:
657                 _splitting_icon.set_name ("ProcessorFader");
658                 break;
659
660         case PostFader:
661                 _splitting_icon.set_name ("ProcessorPostFader");
662                 break;
663         }
664
665         ProcessorEntry::setup_visuals ();
666 }
667
668 bool
669 PluginInsertProcessorEntry::SplittingIcon::on_expose_event (GdkEventExpose* ev)
670 {
671         cairo_t* cr = gdk_cairo_create (get_window()->gobj());
672
673         cairo_set_line_width (cr, 1);
674
675         double const width = ev->area.width;
676         double const height = ev->area.height;
677
678         Gdk::Color const bg = get_style()->get_bg (STATE_NORMAL);
679         cairo_set_source_rgb (cr, bg.get_red_p (), bg.get_green_p (), bg.get_blue_p ());
680
681         cairo_rectangle (cr, 0, 0, width, height);
682         cairo_fill (cr);
683
684         Gdk::Color const fg = get_style()->get_fg (STATE_NORMAL);
685         cairo_set_source_rgb (cr, fg.get_red_p (), fg.get_green_p (), fg.get_blue_p ());
686
687         cairo_move_to (cr, width * 0.3, height);
688         cairo_line_to (cr, width * 0.3, height * 0.5);
689         cairo_line_to (cr, width * 0.7, height * 0.5);
690         cairo_line_to (cr, width * 0.7, height);
691         cairo_move_to (cr, width * 0.5, height * 0.5);
692         cairo_line_to (cr, width * 0.5, 0);
693         cairo_stroke (cr);
694
695         return true;
696 }
697
698 ProcessorBox::ProcessorBox (ARDOUR::Session* sess, boost::function<PluginSelector*()> get_plugin_selector,
699                             RouteProcessorSelection& rsel, MixerStrip* parent, bool owner_is_mixer)
700         : _parent_strip (parent)
701         , _owner_is_mixer (owner_is_mixer)
702         , ab_direction (true)
703         , _get_plugin_selector (get_plugin_selector)
704         , _placement (-1)
705         , _visible_prefader_processors (0)
706         , _rr_selection(rsel)
707 {
708         set_session (sess);
709
710         _width = Wide;
711         processor_menu = 0;
712         no_processor_redisplay = false;
713
714         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
715         processor_scroller.add (processor_display);
716         pack_start (processor_scroller, true, true);
717
718         processor_display.set_flags (CAN_FOCUS);
719         processor_display.set_name ("ProcessorList");
720         processor_display.set_size_request (48, -1);
721         processor_display.set_data ("processorbox", this);
722         processor_display.set_spacing (2);
723
724         processor_display.signal_enter_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::enter_notify), false);
725         processor_display.signal_leave_notify_event().connect (sigc::mem_fun(*this, &ProcessorBox::leave_notify), false);
726
727         processor_display.ButtonPress.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_press_event));
728         processor_display.ButtonRelease.connect (sigc::mem_fun (*this, &ProcessorBox::processor_button_release_event));
729
730         processor_display.Reordered.connect (sigc::mem_fun (*this, &ProcessorBox::reordered));
731         processor_display.DropFromAnotherBox.connect (sigc::mem_fun (*this, &ProcessorBox::object_drop));
732
733         processor_scroller.show ();
734         processor_display.show ();
735
736         if (parent) {
737                 parent->DeliveryChanged.connect (
738                         _mixer_strip_connections, invalidator (*this), boost::bind (&ProcessorBox::mixer_strip_delivery_changed, this, _1), gui_context ()
739                         );
740         }
741
742         ARDOUR_UI::instance()->set_tip (processor_display, _("Right-click to add/remove/edit\nplugins,inserts,sends and more"));
743 }
744
745 ProcessorBox::~ProcessorBox ()
746 {
747         /* it may appear as if we should delete processor_menu but that is a
748          * pointer to a widget owned by the UI Manager, and has potentially
749          * be returned to many other ProcessorBoxes. GTK doesn't really make
750          * clear the ownership of this widget, which is a menu and thus is
751          * never packed into any container other than an implict GtkWindow.
752          *
753          * For now, until or if we ever get clarification over the ownership
754          * story just let it continue to exist. At worst, its a small memory leak.
755          */
756 }
757
758 void
759 ProcessorBox::set_route (boost::shared_ptr<Route> r)
760 {
761         if (_route == r) {
762                 return;
763         }
764
765         _route_connections.drop_connections();
766
767         /* new route: any existing block on processor redisplay must be meaningless */
768         no_processor_redisplay = false;
769         _route = r;
770
771         _route->processors_changed.connect (
772                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_processors_changed, this, _1), gui_context()
773                 );
774
775         _route->DropReferences.connect (
776                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_going_away, this), gui_context()
777                 );
778
779         _route->PropertyChanged.connect (
780                 _route_connections, invalidator (*this), boost::bind (&ProcessorBox::route_property_changed, this, _1), gui_context()
781                 );
782
783         redisplay_processors ();
784 }
785
786 void
787 ProcessorBox::route_going_away ()
788 {
789         /* don't keep updating display as processors are deleted */
790         no_processor_redisplay = true;
791         _route.reset ();
792 }
793
794 void
795 ProcessorBox::object_drop(DnDVBox<ProcessorEntry>* source, ProcessorEntry* position, Glib::RefPtr<Gdk::DragContext> const & context)
796 {
797         boost::shared_ptr<Processor> p;
798         if (position) {
799                 p = position->processor ();
800                 if (!p) {
801                         /* dropped on the blank entry (which will be before the
802                            fader), so use the first non-blank child as our
803                            `dropped on' processor */
804                         list<ProcessorEntry*> c = processor_display.children ();
805                         list<ProcessorEntry*>::iterator i = c.begin ();
806                         while (dynamic_cast<BlankProcessorEntry*> (*i)) {
807                                 assert (i != c.end ());
808                                 ++i;
809                         }
810
811                         assert (i != c.end ());
812                         p = (*i)->processor ();
813                         assert (p);
814                 }
815         }
816
817         list<ProcessorEntry*> children = source->selection ();
818         list<boost::shared_ptr<Processor> > procs;
819         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
820                 if ((*i)->processor ()) {
821                         procs.push_back ((*i)->processor ());
822                 }
823         }
824
825         for (list<boost::shared_ptr<Processor> >::const_iterator i = procs.begin(); i != procs.end(); ++i) {
826                 XMLNode& state = (*i)->get_state ();
827                 XMLNodeList nlist;
828                 nlist.push_back (&state);
829                 paste_processor_state (nlist, p);
830                 delete &state;
831         }
832
833         /* since the dndvbox doesn't take care of this properly, we have to delete the originals
834            ourselves.
835         */
836
837         if ((context->get_suggested_action() == Gdk::ACTION_MOVE) && source) {
838                 ProcessorBox* other = reinterpret_cast<ProcessorBox*> (source->get_data ("processorbox"));
839                 if (other) {
840                         other->delete_dragged_processors (procs);
841                 }
842         }
843 }
844
845 void
846 ProcessorBox::set_width (Width w)
847 {
848         if (_width == w) {
849                 return;
850         }
851
852         _width = w;
853
854         list<ProcessorEntry*> children = processor_display.children ();
855         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
856                 (*i)->set_enum_width (w);
857         }
858
859         redisplay_processors ();
860 }
861
862 Gtk::Menu*
863 ProcessorBox::build_possible_aux_menu ()
864 {
865         boost::shared_ptr<RouteList> rl = _session->get_routes_with_internal_returns();
866
867         if (rl->empty()) {
868                 /* No aux sends if there are no busses */
869                 return 0;
870         }
871
872         using namespace Menu_Helpers;
873         Menu* menu = manage (new Menu);
874         MenuList& items = menu->items();
875
876         for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
877                 if (!_route->internal_send_for (*r) && *r != _route) {
878                         items.push_back (MenuElem ((*r)->name(), sigc::bind (sigc::ptr_fun (ProcessorBox::rb_choose_aux), boost::weak_ptr<Route>(*r))));
879                 }
880         }
881
882         return menu;
883 }
884
885 void
886 ProcessorBox::show_processor_menu (int arg)
887 {
888         if (processor_menu == 0) {
889                 processor_menu = build_processor_menu ();
890                 processor_menu->signal_unmap().connect (sigc::mem_fun (*this, &ProcessorBox::processor_menu_unmapped));
891         }
892
893         /* Sort out the plugin submenu */
894
895         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newplugin"));
896
897         if (plugin_menu_item) {
898                 plugin_menu_item->set_submenu (*_get_plugin_selector()->plugin_menu());
899         }
900
901         /* And the aux submenu */
902
903         Gtk::MenuItem* aux_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/newaux"));
904
905         if (aux_menu_item) {
906                 Menu* m = build_possible_aux_menu();
907                 if (m && !m->items().empty()) {
908                         aux_menu_item->set_submenu (*m);
909                         aux_menu_item->set_sensitive (true);
910                 } else {
911                         /* stupid gtkmm: we need to pass a null reference here */
912                         gtk_menu_item_set_submenu (aux_menu_item->gobj(), 0);
913                         aux_menu_item->set_sensitive (false);
914                 }
915         }
916
917         ProcessorEntry* single_selection = 0;
918         if (processor_display.selection().size() == 1) {
919                 single_selection = processor_display.selection().front();
920         }
921
922         /* And the controls submenu */
923
924         Gtk::MenuItem* controls_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/ProcessorMenu/controls"));
925
926         if (controls_menu_item) {
927                 if (single_selection) {
928                         Menu* m = single_selection->build_controls_menu ();
929                         if (m && !m->items().empty()) {
930                                 controls_menu_item->set_submenu (*m);
931                                 controls_menu_item->set_sensitive (true);
932                         } else {
933                                 gtk_menu_item_set_submenu (controls_menu_item->gobj(), 0);
934                                 controls_menu_item->set_sensitive (false);
935                         }
936                 }
937         }
938
939         /* Sensitise actions as approprioate */
940
941         cut_action->set_sensitive (can_cut());
942         paste_action->set_sensitive (!_rr_selection.processors.empty());
943
944         const bool sensitive = !processor_display.selection().empty();
945         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, sensitive);
946         edit_action->set_sensitive (one_processor_can_be_edited ());
947
948         boost::shared_ptr<PluginInsert> pi;
949         if (single_selection) {
950                 pi = boost::dynamic_pointer_cast<PluginInsert> (single_selection->processor ());
951         }
952
953         /* allow editing with an Ardour-generated UI for plugin inserts with editors */
954         edit_generic_action->set_sensitive (pi && pi->plugin()->has_editor ());
955
956         /* disallow rename for multiple selections, for plugin inserts and for the fader */
957         rename_action->set_sensitive (single_selection && !pi && !boost::dynamic_pointer_cast<Amp> (single_selection->processor ()));
958
959         processor_menu->popup (1, arg);
960
961         /* Add a placeholder gap to the processor list to indicate where a processor would be
962            inserted were one chosen from the menu.
963         */
964         int x, y;
965         processor_display.get_pointer (x, y);
966         _placement = processor_display.add_placeholder (y);
967
968         if (_visible_prefader_processors == 0 && _placement > 0) {
969                 --_placement;
970         }
971 }
972
973 bool
974 ProcessorBox::enter_notify (GdkEventCrossing*)
975 {
976         _current_processor_box = this;
977         return false;
978 }
979
980 bool
981 ProcessorBox::leave_notify (GdkEventCrossing*)
982 {
983         return false;
984 }
985
986 void
987 ProcessorBox::processor_operation (ProcessorOperation op) 
988 {
989         ProcSelection targets;
990
991         get_selected_processors (targets);
992
993         if (targets.empty()) {
994
995                 int x, y;
996                 processor_display.get_pointer (x, y);
997
998                 pair<ProcessorEntry *, double> const pointer = processor_display.get_child_at_position (y);
999
1000                 if (pointer.first && pointer.first->processor()) {
1001                         targets.push_back (pointer.first->processor ());
1002                 }
1003         }
1004
1005         switch (op) {
1006         case ProcessorsSelectAll:
1007                 processor_display.select_all ();
1008                 break;
1009
1010         case ProcessorsCopy:
1011                 copy_processors (targets);
1012                 break;
1013
1014         case ProcessorsCut:
1015                 cut_processors (targets);
1016                 break;
1017
1018         case ProcessorsPaste:
1019                 if (targets.empty()) {
1020                         paste_processors ();
1021                 } else {
1022                         paste_processors (targets.front());
1023                 }
1024                 break;
1025
1026         case ProcessorsDelete:
1027                 delete_processors (targets);
1028                 break;
1029
1030         case ProcessorsToggleActive:
1031                 for (ProcSelection::iterator i = targets.begin(); i != targets.end(); ++i) {
1032                         if ((*i)->active()) {
1033                                 (*i)->deactivate ();
1034                         } else {
1035                                 (*i)->activate ();
1036                         }
1037                 }
1038                 break;
1039
1040         case ProcessorsAB:
1041                 ab_plugins ();
1042                 break;
1043
1044         default:
1045                 break;
1046         }
1047 }
1048
1049 bool
1050 ProcessorBox::processor_button_press_event (GdkEventButton *ev, ProcessorEntry* child)
1051 {
1052         boost::shared_ptr<Processor> processor;
1053         if (child) {
1054                 processor = child->processor ();
1055         }
1056
1057         int ret = false;
1058         bool selected = processor_display.selected (child);
1059
1060         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
1061
1062                 if (_session->engine().connected()) {
1063                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
1064                         if (Config->get_use_plugin_own_gui ()) {
1065                                 toggle_edit_processor (processor);
1066                         } else {
1067                                 toggle_edit_generic_processor (processor);
1068                         }
1069                 }
1070                 ret = true;
1071
1072         } else if (processor && ev->button == 1 && selected) {
1073
1074                 // this is purely informational but necessary for route params UI
1075                 ProcessorSelected (processor); // emit
1076
1077         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
1078
1079                 choose_plugin ();
1080                 _get_plugin_selector()->show_manager ();
1081         }
1082
1083         return ret;
1084 }
1085
1086 bool
1087 ProcessorBox::processor_button_release_event (GdkEventButton *ev, ProcessorEntry* child)
1088 {
1089         boost::shared_ptr<Processor> processor;
1090         if (child) {
1091                 processor = child->processor ();
1092         }
1093
1094         if (processor && Keyboard::is_delete_event (ev)) {
1095
1096                 Glib::signal_idle().connect (sigc::bind (
1097                                 sigc::mem_fun(*this, &ProcessorBox::idle_delete_processor),
1098                                 boost::weak_ptr<Processor>(processor)));
1099
1100         } else if (Keyboard::is_context_menu_event (ev)) {
1101
1102                 show_processor_menu (ev->time);
1103
1104         } else if (processor && Keyboard::is_button2_event (ev)
1105 #ifndef GTKOSX
1106                    && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))
1107 #endif
1108                 ) {
1109
1110                 /* button2-click with no/appropriate modifiers */
1111
1112                 if (processor->active()) {
1113                         processor->deactivate ();
1114                 } else {
1115                         processor->activate ();
1116                 }
1117         }
1118
1119         return false;
1120 }
1121
1122 Menu *
1123 ProcessorBox::build_processor_menu ()
1124 {
1125         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/ProcessorMenu") );
1126         processor_menu->set_name ("ArdourContextMenu");
1127         return processor_menu;
1128 }
1129
1130 void
1131 ProcessorBox::select_all_processors ()
1132 {
1133         processor_display.select_all ();
1134 }
1135
1136 void
1137 ProcessorBox::deselect_all_processors ()
1138 {
1139         processor_display.select_none ();
1140 }
1141
1142 void
1143 ProcessorBox::choose_plugin ()
1144 {
1145         _get_plugin_selector()->set_interested_object (*this);
1146 }
1147
1148 /** @return true if an error occurred, otherwise false */
1149 bool
1150 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
1151 {
1152         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
1153
1154                 boost::shared_ptr<Processor> processor (new PluginInsert (*_session, *p));
1155
1156                 Route::ProcessorStreams err_streams;
1157
1158                 if (_route->add_processor_by_index (processor, _placement, &err_streams, Config->get_new_plugins_active ())) {
1159                         weird_plugin_dialog (**p, err_streams);
1160                         return true;
1161                         // XXX SHAREDPTR delete plugin here .. do we even need to care?
1162                 } else {
1163
1164                         if (Profile->get_sae()) {
1165                                 processor->activate ();
1166                         }
1167                 }
1168         }
1169
1170         return false;
1171 }
1172
1173 void
1174 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams)
1175 {
1176         ArdourDialog dialog (_("Plugin Incompatibility"));
1177         Label label;
1178
1179         string text = string_compose(_("You attempted to add the plugin \"%1\" in slot %2.\n"),
1180                         p.name(), streams.index);
1181
1182         bool has_midi  = streams.count.n_midi() > 0 || p.get_info()->n_inputs.n_midi() > 0;
1183         bool has_audio = streams.count.n_audio() > 0 || p.get_info()->n_inputs.n_audio() > 0;
1184
1185         text += _("\nThis plugin has:\n");
1186         if (has_midi) {
1187                 uint32_t const n = p.get_info()->n_inputs.n_midi ();
1188                 text += string_compose (ngettext ("\t%1 MIDI input\n", "\t%1 MIDI inputs\n", n), n);
1189         }
1190         if (has_audio) {
1191                 uint32_t const n = p.get_info()->n_inputs.n_audio ();
1192                 text += string_compose (ngettext ("\t%1 audio input\n", "\t%1 audio inputs\n", n), n);
1193         }
1194
1195         text += _("\nbut at the insertion point, there are:\n");
1196         if (has_midi) {
1197                 uint32_t const n = streams.count.n_midi ();
1198                 text += string_compose (ngettext ("\t%1 MIDI channel\n", "\t%1 MIDI channels\n", n), n);
1199         }
1200         if (has_audio) {
1201                 uint32_t const n = streams.count.n_audio ();
1202                 text += string_compose (ngettext ("\t%1 audio channel\n", "\t%1 audio channels\n", n), n);
1203         }
1204
1205         text += string_compose (_("\n%1 is unable to insert this plugin here.\n"), PROGRAM_NAME);
1206         label.set_text(text);
1207
1208         dialog.get_vbox()->pack_start (label);
1209         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1210
1211         dialog.set_name (X_("PluginIODialog"));
1212         dialog.set_position (Gtk::WIN_POS_MOUSE);
1213         dialog.set_modal (true);
1214         dialog.show_all ();
1215
1216         dialog.run ();
1217 }
1218
1219 void
1220 ProcessorBox::choose_insert ()
1221 {
1222         boost::shared_ptr<Processor> processor (new PortInsert (*_session, _route->pannable(), _route->mute_master()));
1223         _route->add_processor_by_index (processor, _placement);
1224 }
1225
1226 /* Caller must not hold process lock */
1227 void
1228 ProcessorBox::choose_send ()
1229 {
1230         boost::shared_ptr<Send> send (new Send (*_session, _route->pannable(), _route->mute_master()));
1231
1232         /* make an educated guess at the initial number of outputs for the send */
1233         ChanCount outs = (_session->master_out())
1234                         ? _session->master_out()->n_outputs()
1235                         : _route->n_outputs();
1236
1237         /* XXX need processor lock on route */
1238         try {
1239                 Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock());
1240                 send->output()->ensure_io (outs, false, this);
1241         } catch (AudioEngine::PortRegistrationFailure& err) {
1242                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
1243                 return;
1244         }
1245
1246         /* let the user adjust the IO setup before creation.
1247
1248            Note: this dialog is NOT modal - we just leave it to run and it will
1249            return when its Finished signal is emitted - typically when the window
1250            is closed.
1251          */
1252
1253         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->output(), true);
1254         ios->show ();
1255
1256         /* keep a reference to the send so it doesn't get deleted while
1257            the IOSelectorWindow is doing its stuff
1258         */
1259         _processor_being_created = send;
1260
1261         ios->selector().Finished.connect (sigc::bind (
1262                         sigc::mem_fun(*this, &ProcessorBox::send_io_finished),
1263                         boost::weak_ptr<Processor>(send), ios));
1264
1265 }
1266
1267 void
1268 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1269 {
1270         boost::shared_ptr<Processor> processor (weak_processor.lock());
1271
1272         /* drop our temporary reference to the new send */
1273         _processor_being_created.reset ();
1274
1275         if (!processor) {
1276                 return;
1277         }
1278
1279         switch (r) {
1280         case IOSelector::Cancelled:
1281                 // processor will go away when all shared_ptrs to it vanish
1282                 break;
1283
1284         case IOSelector::Accepted:
1285                 _route->add_processor_by_index (processor, _placement);
1286                 if (Profile->get_sae()) {
1287                         processor->activate ();
1288                 }
1289                 break;
1290         }
1291
1292         delete_when_idle (ios);
1293 }
1294
1295 void
1296 ProcessorBox::return_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
1297 {
1298         boost::shared_ptr<Processor> processor (weak_processor.lock());
1299
1300         /* drop our temporary reference to the new return */
1301         _processor_being_created.reset ();
1302
1303         if (!processor) {
1304                 return;
1305         }
1306
1307         switch (r) {
1308         case IOSelector::Cancelled:
1309                 // processor will go away when all shared_ptrs to it vanish
1310                 break;
1311
1312         case IOSelector::Accepted:
1313                 _route->add_processor_by_index (processor, _placement);
1314                 if (Profile->get_sae()) {
1315                         processor->activate ();
1316                 }
1317                 break;
1318         }
1319
1320         delete_when_idle (ios);
1321 }
1322
1323 void
1324 ProcessorBox::choose_aux (boost::weak_ptr<Route> wr)
1325 {
1326         if (!_route) {
1327                 return;
1328         }
1329
1330         boost::shared_ptr<Route> target = wr.lock();
1331
1332         if (!target) {
1333                 return;
1334         }
1335
1336         _session->add_internal_send (target, _placement, _route);
1337 }
1338
1339 void
1340 ProcessorBox::route_processors_changed (RouteProcessorChange c)
1341 {
1342         if (c.type == RouteProcessorChange::MeterPointChange && c.meter_visibly_changed == false) {
1343                 /* the meter has moved, but it was and still is invisible to the user, so nothing to do */
1344                 return;
1345         }
1346
1347         redisplay_processors ();
1348 }
1349
1350 void
1351 ProcessorBox::redisplay_processors ()
1352 {
1353         ENSURE_GUI_THREAD (*this, &ProcessorBox::redisplay_processors);
1354         bool     fader_seen;
1355
1356         if (no_processor_redisplay) {
1357                 return;
1358         }
1359
1360         processor_display.clear ();
1361
1362         _visible_prefader_processors = 0;
1363         fader_seen = false;
1364
1365         _route->foreach_processor (sigc::bind (sigc::mem_fun (*this, &ProcessorBox::help_count_visible_prefader_processors), 
1366                                                &_visible_prefader_processors, &fader_seen));
1367
1368         if (_visible_prefader_processors == 0) { // fader only
1369                 BlankProcessorEntry* bpe = new BlankProcessorEntry (this, _width);
1370                 bpe->set_pixel_width (get_allocation().get_width());
1371                 processor_display.add_child (bpe);
1372         }
1373
1374         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::add_processor_to_display));
1375
1376         for (list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin(); i != _processor_window_proxies.end(); ++i) {
1377                 (*i)->marked = false;
1378         }
1379
1380         _route->foreach_processor (sigc::mem_fun (*this, &ProcessorBox::maybe_add_processor_to_ui_list));
1381
1382         /* trim dead wood from the processor window proxy list */
1383
1384         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin();
1385         while (i != _processor_window_proxies.end()) {
1386                 list<ProcessorWindowProxy*>::iterator j = i;
1387                 ++j;
1388
1389                 if (!(*i)->marked) {
1390                         ARDOUR_UI::instance()->remove_window_proxy (*i);
1391                         delete *i;
1392                         _processor_window_proxies.erase (i);
1393                 }
1394
1395                 i = j;
1396         }
1397
1398         setup_entry_positions ();
1399 }
1400
1401 /** Add a ProcessorWindowProxy for a processor to our list, if that processor does
1402  *  not already have one.
1403  */
1404 void
1405 ProcessorBox::maybe_add_processor_to_ui_list (boost::weak_ptr<Processor> w)
1406 {
1407         boost::shared_ptr<Processor> p = w.lock ();
1408         if (!p) {
1409                 return;
1410         }
1411
1412         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
1413         while (i != _processor_window_proxies.end()) {
1414
1415                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
1416
1417                 if (p == t) {
1418                         /* this processor is already on the list; done */
1419                         (*i)->marked = true;
1420                         return;
1421                 }
1422
1423                 ++i;
1424         }
1425
1426         /* not on the list; add it */
1427
1428         string loc;
1429         if (_parent_strip) {
1430                 if (_parent_strip->mixer_owned()) {
1431                         loc = X_("M");
1432                 } else {
1433                         loc = X_("R");
1434                 }
1435         } else {
1436                 loc = X_("P");
1437         }
1438
1439         ProcessorWindowProxy* wp = new ProcessorWindowProxy (
1440                 string_compose ("%1-%2-%3", loc, _route->id(), p->id()),
1441                 _session->extra_xml (X_("UI")),
1442                 this,
1443                 w);
1444
1445         wp->marked = true;
1446
1447         /* if the processor already has an existing UI,
1448            note that so that we don't recreate it
1449         */
1450
1451         void* existing_ui = p->get_ui ();
1452
1453         if (existing_ui) {
1454                 wp->set (static_cast<Gtk::Window*>(existing_ui));
1455         }
1456
1457         _processor_window_proxies.push_back (wp);
1458         ARDOUR_UI::instance()->add_window_proxy (wp);
1459 }
1460
1461 void
1462 ProcessorBox::help_count_visible_prefader_processors (boost::weak_ptr<Processor> p, uint32_t* cnt, bool* amp_seen)
1463 {
1464         boost::shared_ptr<Processor> processor (p.lock ());
1465
1466         if (processor && processor->display_to_user()) {
1467
1468                 if (boost::dynamic_pointer_cast<Amp>(processor)) {
1469                         *amp_seen = true;
1470                 } else {
1471                         if (!*amp_seen) {
1472                                 (*cnt)++;
1473                         }
1474                 }
1475         }
1476 }
1477
1478 void
1479 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
1480 {
1481         boost::shared_ptr<Processor> processor (p.lock ());
1482
1483         if (!processor || !processor->display_to_user()) {
1484                 return;
1485         }
1486
1487         boost::shared_ptr<PluginInsert> plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor);
1488         ProcessorEntry* e = 0;
1489         if (plugin_insert) {
1490                 e = new PluginInsertProcessorEntry (this, plugin_insert, _width);
1491         } else {
1492                 e = new ProcessorEntry (this, processor, _width);
1493         }
1494
1495         e->set_pixel_width (get_allocation().get_width());
1496
1497         /* Set up this entry's state from the GUIObjectState */
1498         XMLNode* proc = entry_gui_object_state (e);
1499         if (proc) {
1500                 e->set_control_state (proc);
1501         }
1502         
1503         if (boost::dynamic_pointer_cast<Send> (processor)) {
1504                 /* Always show send controls */
1505                 e->show_all_controls ();
1506         }
1507
1508         processor_display.add_child (e);
1509 }
1510
1511 void
1512 ProcessorBox::reordered ()
1513 {
1514         compute_processor_sort_keys ();
1515         setup_entry_positions ();
1516 }
1517
1518 void
1519 ProcessorBox::setup_entry_positions ()
1520 {
1521         list<ProcessorEntry*> children = processor_display.children ();
1522         bool pre_fader = true;
1523
1524         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1525                 if (boost::dynamic_pointer_cast<Amp>((*i)->processor())) {
1526                         pre_fader = false;
1527                         (*i)->set_position (ProcessorEntry::Fader);
1528                 } else {
1529                         if (pre_fader) {
1530                                 (*i)->set_position (ProcessorEntry::PreFader);
1531                         } else {
1532                                 (*i)->set_position (ProcessorEntry::PostFader);
1533                         }
1534                 }
1535         }
1536 }
1537
1538 void
1539 ProcessorBox::compute_processor_sort_keys ()
1540 {
1541         list<ProcessorEntry*> children = processor_display.children ();
1542         Route::ProcessorList our_processors;
1543
1544         for (list<ProcessorEntry*>::iterator i = children.begin(); i != children.end(); ++i) {
1545                 if ((*i)->processor()) {
1546                         our_processors.push_back ((*i)->processor ());
1547                 }
1548         }
1549
1550         if (_route->reorder_processors (our_processors)) {
1551                 /* Reorder failed, so report this to the user.  As far as I can see this must be done
1552                    in an idle handler: it seems that the redisplay_processors() that happens below destroys
1553                    widgets that were involved in the drag-and-drop on the processor list, which causes problems
1554                    when the drag is torn down after this handler function is finished.
1555                 */
1556                 Glib::signal_idle().connect_once (sigc::mem_fun (*this, &ProcessorBox::report_failed_reorder));
1557         }
1558 }
1559
1560 void
1561 ProcessorBox::report_failed_reorder ()
1562 {
1563         /* reorder failed, so redisplay */
1564
1565         redisplay_processors ();
1566
1567         /* now tell them about the problem */
1568
1569         ArdourDialog dialog (_("Plugin Incompatibility"));
1570         Label label;
1571
1572         label.set_text (_("\
1573 You cannot reorder these plugins/sends/inserts\n\
1574 in that way because the inputs and\n\
1575 outputs will not work correctly."));
1576
1577         dialog.get_vbox()->set_border_width (12);
1578         dialog.get_vbox()->pack_start (label);
1579         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
1580
1581         dialog.set_name (X_("PluginIODialog"));
1582         dialog.set_position (Gtk::WIN_POS_MOUSE);
1583         dialog.set_modal (true);
1584         dialog.show_all ();
1585
1586         dialog.run ();
1587 }
1588
1589 void
1590 ProcessorBox::rename_processors ()
1591 {
1592         ProcSelection to_be_renamed;
1593
1594         get_selected_processors (to_be_renamed);
1595
1596         if (to_be_renamed.empty()) {
1597                 return;
1598         }
1599
1600         for (ProcSelection::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
1601                 rename_processor (*i);
1602         }
1603 }
1604
1605 bool
1606 ProcessorBox::can_cut () const
1607 {
1608         vector<boost::shared_ptr<Processor> > sel;
1609
1610         get_selected_processors (sel);
1611
1612         /* cut_processors () does not cut inserts */
1613
1614         for (vector<boost::shared_ptr<Processor> >::const_iterator i = sel.begin (); i != sel.end (); ++i) {
1615
1616                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1617                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1618                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1619                         return true;
1620                 }
1621         }
1622
1623         return false;
1624 }
1625
1626 void
1627 ProcessorBox::cut_processors (const ProcSelection& to_be_removed)
1628 {
1629         if (to_be_removed.empty()) {
1630                 return;
1631         }
1632
1633         XMLNode* node = new XMLNode (X_("cut"));
1634         Route::ProcessorList to_cut;
1635
1636         no_processor_redisplay = true;
1637         for (ProcSelection::const_iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
1638                 // Cut only plugins, sends and returns
1639                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1640                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1641                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1642
1643                         Window* w = get_processor_ui (*i);
1644
1645                         if (w) {
1646                                 w->hide ();
1647                         }
1648
1649                         XMLNode& child ((*i)->get_state());
1650                         node->add_child_nocopy (child);
1651                         to_cut.push_back (*i);
1652                 }
1653         }
1654
1655         if (_route->remove_processors (to_cut) != 0) {
1656                 delete node;
1657                 no_processor_redisplay = false;
1658                 return;
1659         }
1660
1661         _rr_selection.set (node);
1662
1663         no_processor_redisplay = false;
1664         redisplay_processors ();
1665 }
1666
1667 void
1668 ProcessorBox::copy_processors (const ProcSelection& to_be_copied)
1669 {
1670         if (to_be_copied.empty()) {
1671                 return;
1672         }
1673
1674         XMLNode* node = new XMLNode (X_("copy"));
1675
1676         for (ProcSelection::const_iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
1677                 // Copy only plugins, sends, returns
1678                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
1679                     (boost::dynamic_pointer_cast<Send>((*i)) != 0) ||
1680                     (boost::dynamic_pointer_cast<Return>((*i)) != 0)) {
1681                         node->add_child_nocopy ((*i)->get_state());
1682                 }
1683         }
1684
1685         _rr_selection.set (node);
1686 }
1687
1688 void
1689 ProcessorBox::delete_processors (const ProcSelection& targets)
1690 {
1691         if (targets.empty()) {
1692                 return;
1693         }
1694
1695         no_processor_redisplay = true;
1696
1697         for (ProcSelection::const_iterator i = targets.begin(); i != targets.end(); ++i) {
1698
1699                 Window* w = get_processor_ui (*i);
1700
1701                 if (w) {
1702                         w->hide ();
1703                 }
1704
1705                 _route->remove_processor(*i);
1706         }
1707
1708         no_processor_redisplay = false;
1709         redisplay_processors ();
1710 }
1711
1712 void
1713 ProcessorBox::delete_dragged_processors (const list<boost::shared_ptr<Processor> >& procs)
1714 {
1715         list<boost::shared_ptr<Processor> >::const_iterator x;
1716
1717         no_processor_redisplay = true;
1718         for (x = procs.begin(); x != procs.end(); ++x) {
1719
1720                 Window* w = get_processor_ui (*x);
1721
1722                 if (w) {
1723                         w->hide ();
1724                 }
1725
1726                 _route->remove_processor(*x);
1727         }
1728
1729         no_processor_redisplay = false;
1730         redisplay_processors ();
1731 }
1732
1733 gint
1734 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
1735 {
1736         boost::shared_ptr<Processor> processor (weak_processor.lock());
1737
1738         if (!processor) {
1739                 return false;
1740         }
1741
1742         /* NOT copied to _mixer.selection() */
1743
1744         no_processor_redisplay = true;
1745         _route->remove_processor (processor);
1746         no_processor_redisplay = false;
1747         redisplay_processors ();
1748
1749         return false;
1750 }
1751
1752 void
1753 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
1754 {
1755         ArdourPrompter name_prompter (true);
1756         string result;
1757         name_prompter.set_title (_("Rename Processor"));
1758         name_prompter.set_prompt (_("New name:"));
1759         name_prompter.set_initial_text (processor->name());
1760         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
1761         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
1762         name_prompter.show_all ();
1763
1764         switch (name_prompter.run ()) {
1765
1766         case Gtk::RESPONSE_ACCEPT:
1767                 name_prompter.get_result (result);
1768                 if (result.length()) {
1769
1770                        int tries = 0;
1771                        string test = result;
1772
1773                        while (tries < 100) {
1774                                if (_session->io_name_is_legal (test)) {
1775                                        result = test;
1776                                        break;
1777                                }
1778                                tries++;
1779
1780                                test = string_compose ("%1-%2", result, tries);
1781                        }
1782
1783                        if (tries < 100) {
1784                                processor->set_name (result);
1785                        } else {
1786                                /* unlikely! */
1787                                ARDOUR_UI::instance()->popup_error
1788                                        (string_compose (_("At least 100 IO objects exist with a name like %1 - name not changed"), result));
1789                        }
1790                 }
1791                 break;
1792         }
1793
1794         return;
1795 }
1796
1797 void
1798 ProcessorBox::paste_processors ()
1799 {
1800         if (_rr_selection.processors.empty()) {
1801                 return;
1802         }
1803
1804         paste_processor_state (_rr_selection.processors.get_node().children(), boost::shared_ptr<Processor>());
1805 }
1806
1807 void
1808 ProcessorBox::paste_processors (boost::shared_ptr<Processor> before)
1809 {
1810
1811         if (_rr_selection.processors.empty()) {
1812                 return;
1813         }
1814
1815         paste_processor_state (_rr_selection.processors.get_node().children(), before);
1816 }
1817
1818 void
1819 ProcessorBox::paste_processor_state (const XMLNodeList& nlist, boost::shared_ptr<Processor> p)
1820 {
1821         XMLNodeConstIterator niter;
1822         list<boost::shared_ptr<Processor> > copies;
1823
1824         if (nlist.empty()) {
1825                 return;
1826         }
1827
1828         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
1829
1830                 XMLProperty const * type = (*niter)->property ("type");
1831                 assert (type);
1832
1833                 boost::shared_ptr<Processor> p;
1834                 try {
1835                         if (type->value() == "meter" ||
1836                             type->value() == "main-outs" ||
1837                             type->value() == "amp" ||
1838                             type->value() == "intsend" || type->value() == "intreturn") {
1839                                 /* do not paste meter, main outs, amp or internal send/returns */
1840                                 continue;
1841
1842                         } else if (type->value() == "send") {
1843
1844                                 XMLNode n (**niter);
1845                                 Send* s = new Send (*_session, _route->pannable(), _route->mute_master());
1846
1847                                 IOProcessor::prepare_for_reset (n, s->name());
1848                                 
1849                                 if (s->set_state (n, Stateful::loading_state_version)) {
1850                                         delete s;
1851                                         return;
1852                                 }
1853
1854                                 p.reset (s);
1855
1856                         } else if (type->value() == "return") {
1857
1858                                 XMLNode n (**niter);
1859                                 Return* r = new Return (*_session);
1860
1861                                 IOProcessor::prepare_for_reset (n, r->name());
1862
1863                                 if (r->set_state (n, Stateful::loading_state_version)) {
1864                                         delete r;
1865                                         return;
1866                                 }
1867
1868                                 p.reset (r);
1869
1870                         } else if (type->value() == "port") {
1871
1872                                 XMLNode n (**niter);
1873                                 PortInsert* pi = new PortInsert (*_session, _route->pannable (), _route->mute_master ());
1874                                 
1875                                 IOProcessor::prepare_for_reset (n, pi->name());
1876                                 
1877                                 if (pi->set_state (n, Stateful::loading_state_version)) {
1878                                         return;
1879                                 }
1880                                 
1881                                 p.reset (pi);
1882
1883                         } else {
1884                                 /* XXX its a bit limiting to assume that everything else
1885                                    is a plugin.
1886                                 */
1887
1888                                 p.reset (new PluginInsert (*_session));
1889                                 p->set_state (**niter, Stateful::current_state_version);
1890                         }
1891
1892                         copies.push_back (p);
1893                 }
1894
1895                 catch (...) {
1896                         cerr << "plugin insert constructor failed\n";
1897                 }
1898         }
1899
1900         if (copies.empty()) {
1901                 return;
1902         }
1903
1904         if (_route->add_processors (copies, p)) {
1905
1906                 string msg = _(
1907                         "Copying the set of processors on the clipboard failed,\n\
1908 probably because the I/O configuration of the plugins\n\
1909 could not match the configuration of this track.");
1910                 MessageDialog am (msg);
1911                 am.run ();
1912         }
1913 }
1914
1915 void
1916 ProcessorBox::get_selected_processors (ProcSelection& processors) const
1917 {
1918         const list<ProcessorEntry*> selection = processor_display.selection ();
1919         for (list<ProcessorEntry*>::const_iterator i = selection.begin(); i != selection.end(); ++i) {
1920                 processors.push_back ((*i)->processor ());
1921         }
1922 }
1923
1924 void
1925 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1926 {
1927         list<ProcessorEntry*> selection = processor_display.selection ();
1928         for (list<ProcessorEntry*>::iterator i = selection.begin(); i != selection.end(); ++i) {
1929                 (this->*method) ((*i)->processor ());
1930         }
1931 }
1932
1933 void
1934 ProcessorBox::all_visible_processors_active (bool state)
1935 {
1936         _route->all_visible_processors_active (state);
1937 }
1938
1939 void
1940 ProcessorBox::ab_plugins ()
1941 {
1942         _route->ab_plugins (ab_direction);
1943         ab_direction = !ab_direction;
1944 }
1945
1946
1947 void
1948 ProcessorBox::clear_processors ()
1949 {
1950         string prompt;
1951         vector<string> choices;
1952
1953         prompt = string_compose (_("Do you really want to remove all processors from %1?\n"
1954                                    "(this cannot be undone)"), _route->name());
1955
1956         choices.push_back (_("Cancel"));
1957         choices.push_back (_("Yes, remove them all"));
1958
1959         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1960
1961         if (prompter.run () == 1) {
1962                 _route->clear_processors (PreFader);
1963                 _route->clear_processors (PostFader);
1964         }
1965 }
1966
1967 void
1968 ProcessorBox::clear_processors (Placement p)
1969 {
1970         string prompt;
1971         vector<string> choices;
1972
1973         if (p == PreFader) {
1974                 prompt = string_compose (_("Do you really want to remove all pre-fader processors from %1?\n"
1975                                            "(this cannot be undone)"), _route->name());
1976         } else {
1977                 prompt = string_compose (_("Do you really want to remove all post-fader processors from %1?\n"
1978                                            "(this cannot be undone)"), _route->name());
1979         }
1980
1981         choices.push_back (_("Cancel"));
1982         choices.push_back (_("Yes, remove them all"));
1983
1984         Gtkmm2ext::Choice prompter (_("Remove processors"), prompt, choices);
1985
1986         if (prompter.run () == 1) {
1987                 _route->clear_processors (p);
1988         }
1989 }
1990
1991 bool
1992 ProcessorBox::processor_can_be_edited (boost::shared_ptr<Processor> processor)
1993 {
1994         boost::shared_ptr<AudioTrack> at = boost::dynamic_pointer_cast<AudioTrack> (_route);
1995         if (at && at->freeze_state() == AudioTrack::Frozen) {
1996                 return false;
1997         }
1998
1999         if (
2000                 (boost::dynamic_pointer_cast<Send> (processor) && !boost::dynamic_pointer_cast<InternalSend> (processor))||
2001                 boost::dynamic_pointer_cast<Return> (processor) ||
2002                 boost::dynamic_pointer_cast<PluginInsert> (processor) ||
2003                 boost::dynamic_pointer_cast<PortInsert> (processor)
2004                 ) {
2005                 return true;
2006         }
2007
2008         return false;
2009 }
2010
2011 bool
2012 ProcessorBox::one_processor_can_be_edited ()
2013 {
2014         list<ProcessorEntry*> selection = processor_display.selection ();
2015         list<ProcessorEntry*>::iterator i = selection.begin();
2016         while (i != selection.end() && processor_can_be_edited ((*i)->processor()) == false) {
2017                 ++i;
2018         }
2019
2020         return (i != selection.end());
2021 }
2022
2023 void
2024 ProcessorBox::toggle_edit_processor (boost::shared_ptr<Processor> processor)
2025 {
2026         boost::shared_ptr<Send> send;
2027         boost::shared_ptr<InternalSend> internal_send;
2028         boost::shared_ptr<Return> retrn;
2029         boost::shared_ptr<PluginInsert> plugin_insert;
2030         boost::shared_ptr<PortInsert> port_insert;
2031         Window* gidget = 0;
2032
2033         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
2034
2035                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
2036                         return;
2037                 }
2038         }
2039
2040         if (boost::dynamic_pointer_cast<Amp> (processor)) {
2041
2042                 if (_parent_strip) {
2043                         _parent_strip->revert_to_default_display ();
2044                 }
2045
2046         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2047
2048                 if (!_session->engine().connected()) {
2049                         return;
2050                 }
2051
2052                 if (boost::dynamic_pointer_cast<InternalSend> (processor) == 0) {
2053                         SendUIWindow* w = new SendUIWindow (send, _session);
2054                         w->show ();
2055                 } else {
2056                         /* assign internal send to main fader */
2057                         if (_parent_strip) {
2058                                 if (_parent_strip->current_delivery() == send) {
2059                                         _parent_strip->revert_to_default_display ();
2060                                 } else {
2061                                         _parent_strip->show_send(send);
2062                                 }
2063                         } 
2064                 }
2065
2066         } else if ((retrn = boost::dynamic_pointer_cast<Return> (processor)) != 0) {
2067
2068                 if (boost::dynamic_pointer_cast<InternalReturn> (retrn)) {
2069                         /* no GUI for these */
2070                         return;
2071                 }
2072
2073                 if (!_session->engine().connected()) {
2074                         return;
2075                 }
2076
2077                 boost::shared_ptr<Return> retrn = boost::dynamic_pointer_cast<Return> (processor);
2078
2079                 ReturnUIWindow *return_ui;
2080                 Window* w = get_processor_ui (retrn);
2081
2082                 if (w == 0) {
2083
2084                         return_ui = new ReturnUIWindow (retrn, _session);
2085                         return_ui->set_title (retrn->name ());
2086                         set_processor_ui (send, return_ui);
2087
2088                 } else {
2089                         return_ui = dynamic_cast<ReturnUIWindow *> (w);
2090                 }
2091
2092                 gidget = return_ui;
2093
2094         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2095
2096                 PluginUIWindow *plugin_ui;
2097
2098                 /* these are both allowed to be null */
2099
2100                 Container* toplevel = get_toplevel();
2101                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
2102
2103                 Window* w = get_processor_ui (plugin_insert);
2104
2105                 if (w == 0) {
2106
2107                         plugin_ui = new PluginUIWindow (win, plugin_insert);
2108                         plugin_ui->set_title (generate_processor_title (plugin_insert));
2109                         set_processor_ui (plugin_insert, plugin_ui);
2110
2111                 } else {
2112                         plugin_ui = dynamic_cast<PluginUIWindow *> (w);
2113                         plugin_ui->set_parent (win);
2114                 }
2115
2116                 gidget = plugin_ui;
2117
2118         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
2119
2120                 if (!_session->engine().connected()) {
2121                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
2122                         msg.run ();
2123                         return;
2124                 }
2125
2126                 PortInsertWindow *io_selector;
2127
2128                 Window* w = get_processor_ui (port_insert);
2129
2130                 if (w == 0) {
2131                         io_selector = new PortInsertWindow (_session, port_insert);
2132                         set_processor_ui (port_insert, io_selector);
2133
2134                 } else {
2135                         io_selector = dynamic_cast<PortInsertWindow *> (w);
2136                 }
2137
2138                 gidget = io_selector;
2139         }
2140
2141         if (gidget) {
2142                 if (gidget->is_visible()) {
2143                         gidget->hide ();
2144                 } else {
2145                         gidget->show_all ();
2146                         gidget->present ();
2147                 }
2148         }
2149 }
2150
2151 /** Toggle a generic (Ardour-generated) plugin UI */
2152 void
2153 ProcessorBox::toggle_edit_generic_processor (boost::shared_ptr<Processor> processor)
2154 {
2155         boost::shared_ptr<PluginInsert> plugin_insert
2156                 = boost::dynamic_pointer_cast<PluginInsert>(processor);
2157         if (!plugin_insert) {
2158                 return;
2159         }
2160
2161         Container*      toplevel  = get_toplevel();
2162         Window*         win       = dynamic_cast<Gtk::Window*>(toplevel);
2163         PluginUIWindow* plugin_ui = new PluginUIWindow(win, plugin_insert, true, false);
2164         plugin_ui->set_title(generate_processor_title (plugin_insert));
2165
2166         if (plugin_ui->is_visible()) {
2167                 plugin_ui->hide();
2168         } else {
2169                 plugin_ui->show_all();
2170                 plugin_ui->present();
2171         }
2172 }
2173
2174 void
2175 ProcessorBox::register_actions ()
2176 {
2177         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("ProcessorMenu"));
2178         Glib::RefPtr<Action> act;
2179
2180         /* new stuff */
2181         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),
2182                         sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
2183
2184         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),
2185                         sigc::ptr_fun (ProcessorBox::rb_choose_insert));
2186         ActionManager::jack_sensitive_actions.push_back (act);
2187         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New External Send ..."),
2188                         sigc::ptr_fun (ProcessorBox::rb_choose_send));
2189         ActionManager::jack_sensitive_actions.push_back (act);
2190
2191         ActionManager::register_action (popup_act_grp, X_("newaux"), _("New Aux Send ..."));
2192
2193         ActionManager::register_action (popup_act_grp, X_("controls"), _("Controls"));
2194
2195         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear (all)"),
2196                         sigc::ptr_fun (ProcessorBox::rb_clear));
2197         ActionManager::register_action (popup_act_grp, X_("clear_pre"), _("Clear (pre-fader)"),
2198                         sigc::ptr_fun (ProcessorBox::rb_clear_pre));
2199         ActionManager::register_action (popup_act_grp, X_("clear_post"), _("Clear (post-fader)"),
2200                         sigc::ptr_fun (ProcessorBox::rb_clear_post));
2201
2202         /* standard editing stuff */
2203         cut_action = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),
2204                                                      sigc::ptr_fun (ProcessorBox::rb_cut));
2205         ActionManager::plugin_selection_sensitive_actions.push_back(cut_action);
2206         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),
2207                         sigc::ptr_fun (ProcessorBox::rb_copy));
2208         ActionManager::plugin_selection_sensitive_actions.push_back(act);
2209
2210         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),
2211                         sigc::ptr_fun (ProcessorBox::rb_delete));
2212         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
2213
2214         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),
2215                         sigc::ptr_fun (ProcessorBox::rb_paste));
2216         rename_action = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),
2217                         sigc::ptr_fun (ProcessorBox::rb_rename));
2218         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),
2219                         sigc::ptr_fun (ProcessorBox::rb_select_all));
2220         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),
2221                         sigc::ptr_fun (ProcessorBox::rb_deselect_all));
2222
2223         /* activation etc. */
2224
2225         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate All"),
2226                         sigc::ptr_fun (ProcessorBox::rb_activate_all));
2227         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate All"),
2228                         sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
2229         ActionManager::register_action (popup_act_grp, X_("ab_plugins"), _("A/B Plugins"),
2230                         sigc::ptr_fun (ProcessorBox::rb_ab_plugins));
2231
2232         /* show editors */
2233         edit_action = ActionManager::register_action (
2234                 popup_act_grp, X_("edit"), _("Edit..."),
2235                 sigc::ptr_fun (ProcessorBox::rb_edit));
2236
2237         edit_generic_action = ActionManager::register_action (
2238                 popup_act_grp, X_("edit-generic"), _("Edit with basic controls..."),
2239                 sigc::ptr_fun (ProcessorBox::rb_edit_generic));
2240
2241         ActionManager::add_action_group (popup_act_grp);
2242 }
2243
2244 void
2245 ProcessorBox::rb_edit_generic ()
2246 {
2247         if (_current_processor_box == 0) {
2248                 return;
2249         }
2250
2251         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_generic_processor);
2252 }
2253
2254 void
2255 ProcessorBox::rb_ab_plugins ()
2256 {
2257         if (_current_processor_box == 0) {
2258                 return;
2259         }
2260
2261         _current_processor_box->ab_plugins ();
2262 }
2263
2264 void
2265 ProcessorBox::rb_choose_plugin ()
2266 {
2267         if (_current_processor_box == 0) {
2268                 return;
2269         }
2270         _current_processor_box->choose_plugin ();
2271 }
2272
2273 void
2274 ProcessorBox::rb_choose_insert ()
2275 {
2276         if (_current_processor_box == 0) {
2277                 return;
2278         }
2279         _current_processor_box->choose_insert ();
2280 }
2281
2282 void
2283 ProcessorBox::rb_choose_send ()
2284 {
2285         if (_current_processor_box == 0) {
2286                 return;
2287         }
2288         _current_processor_box->choose_send ();
2289 }
2290
2291 void
2292 ProcessorBox::rb_choose_aux (boost::weak_ptr<Route> wr)
2293 {
2294         if (_current_processor_box == 0) {
2295                 return;
2296         }
2297
2298         _current_processor_box->choose_aux (wr);
2299 }
2300
2301 void
2302 ProcessorBox::rb_clear ()
2303 {
2304         if (_current_processor_box == 0) {
2305                 return;
2306         }
2307
2308         _current_processor_box->clear_processors ();
2309 }
2310
2311
2312 void
2313 ProcessorBox::rb_clear_pre ()
2314 {
2315         if (_current_processor_box == 0) {
2316                 return;
2317         }
2318
2319         _current_processor_box->clear_processors (PreFader);
2320 }
2321
2322
2323 void
2324 ProcessorBox::rb_clear_post ()
2325 {
2326         if (_current_processor_box == 0) {
2327                 return;
2328         }
2329
2330         _current_processor_box->clear_processors (PostFader);
2331 }
2332
2333 void
2334 ProcessorBox::rb_cut ()
2335 {
2336         if (_current_processor_box == 0) {
2337                 return;
2338         }
2339
2340         _current_processor_box->processor_operation (ProcessorsCut);
2341 }
2342
2343 void
2344 ProcessorBox::rb_delete ()
2345 {
2346         if (_current_processor_box == 0) {
2347                 return;
2348         }
2349
2350         _current_processor_box->processor_operation (ProcessorsDelete);
2351 }
2352
2353 void
2354 ProcessorBox::rb_copy ()
2355 {
2356         if (_current_processor_box == 0) {
2357                 return;
2358         }
2359         _current_processor_box->processor_operation (ProcessorsCopy);
2360 }
2361
2362 void
2363 ProcessorBox::rb_paste ()
2364 {
2365         if (_current_processor_box == 0) {
2366                 return;
2367         }
2368
2369         _current_processor_box->processor_operation (ProcessorsPaste);
2370 }
2371
2372 void
2373 ProcessorBox::rb_rename ()
2374 {
2375         if (_current_processor_box == 0) {
2376                 return;
2377         }
2378         _current_processor_box->rename_processors ();
2379 }
2380
2381 void
2382 ProcessorBox::rb_select_all ()
2383 {
2384         if (_current_processor_box == 0) {
2385                 return;
2386         }
2387
2388         _current_processor_box->processor_operation (ProcessorsSelectAll);
2389 }
2390
2391 void
2392 ProcessorBox::rb_deselect_all ()
2393 {
2394         if (_current_processor_box == 0) {
2395                 return;
2396         }
2397
2398         _current_processor_box->deselect_all_processors ();
2399 }
2400
2401 void
2402 ProcessorBox::rb_activate_all ()
2403 {
2404         if (_current_processor_box == 0) {
2405                 return;
2406         }
2407
2408         _current_processor_box->all_visible_processors_active (true);
2409 }
2410
2411 void
2412 ProcessorBox::rb_deactivate_all ()
2413 {
2414         if (_current_processor_box == 0) {
2415                 return;
2416         }
2417         _current_processor_box->all_visible_processors_active (false);
2418 }
2419
2420 void
2421 ProcessorBox::rb_edit ()
2422 {
2423         if (_current_processor_box == 0) {
2424                 return;
2425         }
2426
2427         _current_processor_box->for_selected_processors (&ProcessorBox::toggle_edit_processor);
2428 }
2429
2430 void
2431 ProcessorBox::route_property_changed (const PropertyChange& what_changed)
2432 {
2433         if (!what_changed.contains (ARDOUR::Properties::name)) {
2434                 return;
2435         }
2436
2437         ENSURE_GUI_THREAD (*this, &ProcessorBox::route_property_changed, what_changed);
2438
2439         boost::shared_ptr<Processor> processor;
2440         boost::shared_ptr<PluginInsert> plugin_insert;
2441         boost::shared_ptr<Send> send;
2442
2443         list<ProcessorEntry*> children = processor_display.children();
2444
2445         for (list<ProcessorEntry*>::iterator iter = children.begin(); iter != children.end(); ++iter) {
2446
2447                 processor = (*iter)->processor ();
2448
2449                 if (!processor) {
2450                         continue;
2451                 }
2452
2453                 Window* w = get_processor_ui (processor);
2454
2455                 if (!w) {
2456                         continue;
2457                 }
2458
2459                 /* rename editor windows for sends and plugins */
2460
2461                 if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
2462                         w->set_title (send->name ());
2463                 } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
2464                         w->set_title (generate_processor_title (plugin_insert));
2465                 }
2466         }
2467 }
2468
2469 string
2470 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
2471 {
2472         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
2473         string::size_type email_pos;
2474
2475         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
2476                 maker = maker.substr (0, email_pos - 1);
2477         }
2478
2479         if (maker.length() > 32) {
2480                 maker = maker.substr (0, 32);
2481                 maker += " ...";
2482         }
2483
2484         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);
2485 }
2486
2487 void
2488 ProcessorBox::on_size_allocate (Allocation& a)
2489 {
2490         HBox::on_size_allocate (a);
2491
2492         list<ProcessorEntry*> children = processor_display.children ();
2493         for (list<ProcessorEntry*>::const_iterator i = children.begin(); i != children.end(); ++i) {
2494                 (*i)->set_pixel_width (a.get_width ());
2495         }
2496 }
2497
2498 /** @param p Processor.
2499  *  @return the UI window for \a p.
2500  */
2501 Window *
2502 ProcessorBox::get_processor_ui (boost::shared_ptr<Processor> p) const
2503 {
2504         list<ProcessorWindowProxy*>::const_iterator i = _processor_window_proxies.begin ();
2505         while (i != _processor_window_proxies.end()) {
2506                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2507                 if (t && t == p) {
2508                         return (*i)->get ();
2509                 }
2510
2511                 ++i;
2512         }
2513
2514         return 0;
2515 }
2516
2517 /** Make a note of the UI window that a processor is using.
2518  *  @param p Processor.
2519  *  @param w UI window.
2520  */
2521 void
2522 ProcessorBox::set_processor_ui (boost::shared_ptr<Processor> p, Gtk::Window* w)
2523 {
2524         list<ProcessorWindowProxy*>::iterator i = _processor_window_proxies.begin ();
2525
2526         p->set_ui (w);
2527
2528         while (i != _processor_window_proxies.end()) {
2529                 boost::shared_ptr<Processor> t = (*i)->processor().lock ();
2530                 if (t && t == p) {
2531                         (*i)->set (w);
2532                         return;
2533                 }
2534
2535                 ++i;
2536         }
2537
2538         /* we shouldn't get here, because the ProcessorUIList should always contain
2539            an entry for each processor.
2540         */
2541         assert (false);
2542 }
2543
2544 void
2545 ProcessorBox::mixer_strip_delivery_changed (boost::weak_ptr<Delivery> w)
2546 {
2547         boost::shared_ptr<Delivery> d = w.lock ();
2548         if (!d) {
2549                 return;
2550         }
2551
2552         list<ProcessorEntry*> children = processor_display.children ();
2553         list<ProcessorEntry*>::const_iterator i = children.begin();
2554         while (i != children.end() && (*i)->processor() != d) {
2555                 ++i;
2556         }
2557
2558         if (i == children.end()) {
2559                 processor_display.set_active (0);
2560         } else {
2561                 processor_display.set_active (*i);
2562         }
2563 }
2564
2565 /** Called to repair the damage of Editor::show_window doing a show_all() */
2566 void
2567 ProcessorBox::hide_things ()
2568 {
2569         list<ProcessorEntry*> c = processor_display.children ();
2570         for (list<ProcessorEntry*>::iterator i = c.begin(); i != c.end(); ++i) {
2571                 (*i)->hide_things ();
2572         }
2573 }
2574
2575 void
2576 ProcessorBox::processor_menu_unmapped ()
2577 {
2578         processor_display.remove_placeholder ();
2579 }
2580
2581 XMLNode *
2582 ProcessorBox::entry_gui_object_state (ProcessorEntry* entry)
2583 {
2584         if (!_parent_strip) {
2585                 return 0;
2586         }
2587
2588         GUIObjectState& st = _parent_strip->gui_object_state ();
2589         
2590         XMLNode* strip = st.get_or_add_node (_parent_strip->state_id ());
2591         assert (strip);
2592         return st.get_or_add_node (strip, entry->state_id());
2593 }
2594
2595 void
2596 ProcessorBox::update_gui_object_state (ProcessorEntry* entry)
2597 {
2598         XMLNode* proc = entry_gui_object_state (entry);
2599         if (!proc) {
2600                 return;
2601         }
2602
2603         /* XXX: this is a bit inefficient; we just remove all child nodes and re-add them */
2604         proc->remove_nodes_and_delete (X_("Object"));
2605         entry->add_control_state (proc);
2606 }
2607
2608 ProcessorWindowProxy::ProcessorWindowProxy (
2609         string const & name,
2610         XMLNode const * node,
2611         ProcessorBox* box,
2612         boost::weak_ptr<Processor> processor
2613         )
2614         : WindowProxy<Gtk::Window> (name, node)
2615         , marked (false)
2616         , _processor_box (box)
2617         , _processor (processor)
2618 {
2619
2620 }
2621
2622
2623 void
2624 ProcessorWindowProxy::show ()
2625 {
2626         boost::shared_ptr<Processor> p = _processor.lock ();
2627         if (!p) {
2628                 return;
2629         }
2630
2631         _processor_box->toggle_edit_processor (p);
2632 }
2633