Fix send copying by paste and drag n drop.
[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 #include <cmath>
21 #include <iostream>
22 #include <set>
23
24 #include <sigc++/bind.h>
25
26 #include <pbd/convert.h>
27
28 #include <glibmm/miscutils.h>
29
30 #include <gtkmm/messagedialog.h>
31
32 #include <gtkmm2ext/gtk_ui.h>
33 #include <gtkmm2ext/utils.h>
34 #include <gtkmm2ext/choice.h>
35 #include <gtkmm2ext/utils.h>
36 #include <gtkmm2ext/stop_signal.h>
37 #include <gtkmm2ext/doi.h>
38 #include <gtkmm2ext/window_title.h>
39
40 #include <ardour/ardour.h>
41 #include <ardour/session.h>
42 #include <ardour/audioengine.h>
43 #include <ardour/route.h>
44 #include <ardour/audio_track.h>
45 #include <ardour/audio_diskstream.h>
46 #include <ardour/send.h>
47 #include <ardour/plugin_insert.h>
48 #include <ardour/port_insert.h>
49 #include <ardour/ladspa_plugin.h>
50 #include <ardour/profile.h>
51
52 #include "ardour_ui.h"
53 #include "ardour_dialog.h"
54 #include "public_editor.h"
55 #include "processor_box.h"
56 #include "keyboard.h"
57 #include "plugin_selector.h"
58 #include "route_processor_selection.h"
59 #include "mixer_ui.h"
60 #include "actions.h"
61 #include "plugin_ui.h"
62 #include "io_selector.h"
63 #include "utils.h"
64 #include "gui_thread.h"
65
66 #include "i18n.h"
67
68 #ifdef HAVE_AUDIOUNITS
69 class AUPluginUI;
70 #endif
71
72 using namespace sigc;
73 using namespace ARDOUR;
74 using namespace PBD;
75 using namespace Gtk;
76 using namespace Glib;
77 using namespace Gtkmm2ext;
78
79 ProcessorBox* ProcessorBox::_current_processor_box = 0;
80 RefPtr<Action> ProcessorBox::paste_action;
81 bool ProcessorBox::get_colors = true;
82 Gdk::Color* ProcessorBox::active_processor_color;
83 Gdk::Color* ProcessorBox::inactive_processor_color;
84
85 ProcessorBox::ProcessorBox (Placement pcmnt, Session& sess, PluginSelector &plugsel, 
86                             RouteRedirectSelection & rsel, bool owner_is_mixer)
87         : _session(sess), 
88           _owner_is_mixer (owner_is_mixer), 
89           _placement(pcmnt), 
90           _plugin_selector(plugsel),
91           _rr_selection(rsel)
92 {
93         if (get_colors) {
94                 active_processor_color = new Gdk::Color;
95                 inactive_processor_color = new Gdk::Color;
96                 set_color (*active_processor_color, rgba_from_style ("ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_ACTIVE, false ));
97                 set_color (*inactive_processor_color, rgba_from_style ("ProcessorSelector", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
98                 get_colors = false;
99         }
100
101         _width = Wide;
102         processor_menu = 0;
103         send_action_menu = 0;
104         processor_drag_in_progress = false;
105         no_processor_redisplay = false;
106         ignore_delete = false;
107
108         model = ListStore::create(columns);
109
110         RefPtr<TreeSelection> selection = processor_display.get_selection();
111         selection->set_mode (Gtk::SELECTION_MULTIPLE);
112         selection->signal_changed().connect (mem_fun (*this, &ProcessorBox::selection_changed));
113
114         processor_display.set_model (model);
115         processor_display.append_column (X_("notshown"), columns.text);
116         processor_display.set_name ("ProcessorSelector");
117         processor_display.set_headers_visible (false);
118         processor_display.set_reorderable (true);
119         processor_display.set_size_request (-1, 40);
120         processor_display.get_column(0)->set_sizing(TREE_VIEW_COLUMN_FIXED);
121         processor_display.get_column(0)->set_fixed_width(48);
122         processor_display.add_object_drag (columns.processor.index(), "processors");
123         processor_display.signal_drop.connect (mem_fun (*this, &ProcessorBox::object_drop));
124
125         TreeViewColumn* name_col = processor_display.get_column(0);
126         CellRendererText* renderer = dynamic_cast<CellRendererText*>(processor_display.get_column_cell_renderer (0));
127         name_col->add_attribute(renderer->property_foreground_gdk(), columns.color);
128
129         processor_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
130         
131         model->signal_row_deleted().connect (mem_fun (*this, &ProcessorBox::row_deleted));
132
133         processor_scroller.add (processor_display);
134         processor_eventbox.add (processor_scroller);
135         
136         processor_scroller.set_size_request (-1, 40);
137
138         pack_start (processor_eventbox, true, true);
139
140         processor_eventbox.signal_enter_notify_event().connect (bind (sigc::ptr_fun (ProcessorBox::enter_box), this));
141
142         processor_display.signal_button_press_event().connect (mem_fun(*this, &ProcessorBox::processor_button_press_event), false);
143         processor_display.signal_button_release_event().connect (mem_fun(*this, &ProcessorBox::processor_button_release_event));
144 }
145
146 ProcessorBox::~ProcessorBox ()
147 {
148 }
149
150 void
151 ProcessorBox::set_route (boost::shared_ptr<Route> r)
152 {
153         connections.clear ();
154
155         _route = r;
156
157         connections.push_back (_route->processors_changed.connect (mem_fun(*this, &ProcessorBox::redisplay_processors)));
158         connections.push_back (_route->GoingAway.connect (mem_fun (*this, &ProcessorBox::route_going_away)));
159
160         redisplay_processors ();
161 }
162
163 void
164 ProcessorBox::route_going_away ()
165 {
166         /* don't keep updating display as processors are deleted */
167         no_processor_redisplay = true;
168 }
169
170
171 void
172 ProcessorBox::object_drop (const list<boost::shared_ptr<Processor> >& procs)
173 {
174         paste_processor_list (procs);
175 }
176
177 void
178 ProcessorBox::update()
179 {
180         redisplay_processors ();
181 }
182
183
184 void
185 ProcessorBox::set_width (Width w)
186 {
187         if (_width == w) {
188                 return;
189         }
190         _width = w;
191
192         redisplay_processors ();
193 }
194
195 void
196 ProcessorBox::remove_processor_gui (boost::shared_ptr<Processor> processor)
197 {
198         boost::shared_ptr<Send> send;
199         boost::shared_ptr<PortInsert> port_insert;
200
201         if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
202
203                 PortInsertUI *io_selector = reinterpret_cast<PortInsertUI *> (port_insert->get_gui());
204                 port_insert->set_gui (0);
205                 delete io_selector;
206
207         } else if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
208                 SendUIWindow *sui = reinterpret_cast<SendUIWindow*> (send->get_gui());
209                 send->set_gui (0);
210                 delete sui;
211         }
212 }
213
214 void 
215 ProcessorBox::build_send_action_menu ()
216
217 {
218         using namespace Menu_Helpers;
219
220         send_action_menu = new Menu;
221         send_action_menu->set_name ("ArdourContextMenu");
222         MenuList& items = send_action_menu->items();
223
224         items.push_back (MenuElem (_("New send"), mem_fun(*this, &ProcessorBox::new_send)));
225         items.push_back (MenuElem (_("Show send controls"), mem_fun(*this, &ProcessorBox::show_send_controls)));
226 }
227
228 void
229 ProcessorBox::show_send_controls ()
230
231 {
232 }
233
234 void
235 ProcessorBox::new_send ()
236
237 {
238 }
239
240 void
241 ProcessorBox::show_processor_menu (gint arg)
242 {
243         if (processor_menu == 0) {
244                 processor_menu = build_processor_menu ();
245         }
246
247         Gtk::MenuItem* plugin_menu_item = dynamic_cast<Gtk::MenuItem*>(ActionManager::get_widget("/processormenu/newplugin"));
248
249         if (plugin_menu_item) {
250                 plugin_menu_item->set_submenu (_plugin_selector.plugin_menu());
251         }
252
253         paste_action->set_sensitive (!_rr_selection.processors.empty());
254
255         processor_menu->popup (1, arg);
256 }
257
258 void
259 ProcessorBox::processor_drag_begin (GdkDragContext *context)
260 {
261         processor_drag_in_progress = true;
262 }
263
264 void
265 ProcessorBox::processor_drag_end (GdkDragContext *context)
266 {
267         processor_drag_in_progress = false;
268 }
269
270 bool
271 ProcessorBox::processor_button_press_event (GdkEventButton *ev)
272 {
273         TreeIter iter;
274         TreeModel::Path path;
275         TreeViewColumn* column;
276         int cellx;
277         int celly;
278         boost::shared_ptr<Processor> processor;
279         int ret = false;
280         bool selected = false;
281
282         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
283                 if ((iter = model->get_iter (path))) {
284                         processor = (*iter)[columns.processor];
285                         selected = processor_display.get_selection()->is_selected (iter);
286                 }
287                 
288         }
289
290         if (processor && (Keyboard::is_edit_event (ev) || (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS))) {
291                 
292                 if (_session.engine().connected()) {
293                         /* XXX giving an error message here is hard, because we may be in the midst of a button press */
294                         edit_processor (processor);
295                 }
296                 ret = true;
297                 
298         } else if (processor && ev->button == 1 && selected) {
299
300                 // this is purely informational but necessary
301                 ProcessorSelected (processor); // emit
302
303         } else if (!processor && ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
304
305                 choose_plugin ();
306                 _plugin_selector.show_manager ();
307         }
308
309         
310         return ret;
311 }
312
313 bool
314 ProcessorBox::processor_button_release_event (GdkEventButton *ev)
315 {
316         TreeIter iter;
317         TreeModel::Path path;
318         TreeViewColumn* column;
319         int cellx;
320         int celly;
321         boost::shared_ptr<Processor> processor;
322         int ret = false;
323
324
325         if (processor_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
326                 if ((iter = model->get_iter (path))) {
327                         processor = (*iter)[columns.processor];
328                 }
329         }
330
331         if (processor && Keyboard::is_delete_event (ev)) {
332                 
333                 Glib::signal_idle().connect (bind (mem_fun(*this, &ProcessorBox::idle_delete_processor), boost::weak_ptr<Processor>(processor)));
334                 ret = true;
335                 
336         } else if (Keyboard::is_context_menu_event (ev)) {
337
338                 show_processor_menu(ev->time);
339                 ret = true;
340
341         } else if (processor && Keyboard::is_button2_event (ev) && (Keyboard::no_modifier_keys_pressed (ev) && ((ev->state & Gdk::BUTTON2_MASK) == Gdk::BUTTON2_MASK))) {
342                 
343                 /* button2-click with no modifiers */
344
345                 if (processor->active()) {
346                         processor->deactivate ();
347                 } else {
348                         processor->activate ();
349                 }
350                 ret = true;
351
352         } 
353
354         return ret;
355 }
356
357 Menu *
358 ProcessorBox::build_processor_menu ()
359 {
360         processor_menu = dynamic_cast<Gtk::Menu*>(ActionManager::get_widget("/processormenu") );
361         processor_menu->set_name ("ArdourContextMenu");
362
363         show_all_children();
364
365         return processor_menu;
366 }
367
368 void
369 ProcessorBox::selection_changed ()
370 {
371         bool sensitive = (processor_display.get_selection()->count_selected_rows()) ? true : false;
372         ActionManager::set_sensitive (ActionManager::plugin_selection_sensitive_actions, sensitive);
373 }
374
375 void
376 ProcessorBox::select_all_processors ()
377 {
378         processor_display.get_selection()->select_all();
379 }
380
381 void
382 ProcessorBox::deselect_all_processors ()
383 {
384         processor_display.get_selection()->unselect_all();
385 }
386
387 void
388 ProcessorBox::choose_plugin ()
389 {
390         _plugin_selector.set_interested_object (*this);
391 }
392
393 void
394 ProcessorBox::use_plugins (const SelectedPlugins& plugins)
395 {
396         for (SelectedPlugins::const_iterator p = plugins.begin(); p != plugins.end(); ++p) {
397
398                 boost::shared_ptr<Processor> processor (new PluginInsert (_session, *p, _placement));
399
400                 Route::ProcessorStreams err_streams;
401
402                 if (Config->get_new_plugins_active()) {
403                         processor->activate ();
404                 }
405                 
406                 if (_route->add_processor (processor, &err_streams)) {
407                         weird_plugin_dialog (**p, err_streams, _route);
408                         // XXX SHAREDPTR delete plugin here .. do we even need to care? 
409                 } else {
410                         
411                         if (Profile->get_sae()) {
412                                 processor->activate ();
413                         }
414                         processor->ActiveChanged.connect (bind (mem_fun (*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor)));
415                 }
416         }
417 }
418
419 void
420 ProcessorBox::weird_plugin_dialog (Plugin& p, Route::ProcessorStreams streams, boost::shared_ptr<IO> io)
421 {
422         ArdourDialog dialog (_("ardour: weird plugin dialog"));
423         Label label;
424
425         /* i hate this kind of code */
426
427         if (streams.count > p.get_info()->n_inputs) {
428                 label.set_text (string_compose (_(
429 "You attempted to add a plugin (%1).\n"
430 "The plugin has %2 inputs\n"
431 "but at the processorion point, there are\n"
432 "%3 active signal streams.\n"
433 "\n"
434 "This makes no sense - you are throwing away\n"
435 "part of the signal."),
436                                          p.name(),
437                                          p.get_info()->n_inputs.n_total(),
438                                          streams.count.n_total()));
439         } else if (streams.count < p.get_info()->n_inputs) {
440                 label.set_text (string_compose (_(
441 "You attempted to add a plugin (%1).\n"
442 "The plugin has %2 inputs\n"
443 "but at the processorion point there are\n"
444 "only %3 active signal streams.\n"
445 "\n"
446 "This makes no sense - unless the plugin supports\n"
447 "side-chain inputs. A future version of Ardour will\n"
448 "support this type of configuration."),
449                                          p.name(),
450                                          p.get_info()->n_inputs.n_total(),
451                                          streams.count.n_total()));
452         } else {
453                 label.set_text (string_compose (_(
454 "You attempted to add a plugin (%1).\n"
455 "\n"
456 "The I/O configuration doesn't make sense:\n"
457 "\n" 
458 "The plugin has %2 inputs and %3 outputs.\n"
459 "The track/bus has %4 inputs and %5 outputs.\n"
460 "The processorion point, has %6 active signals.\n"
461 "\n"
462 "Ardour does not understand what to do in such situations.\n"),
463                                          p.name(),
464                                          p.get_info()->n_inputs.n_total(),
465                                          p.get_info()->n_outputs.n_total(),
466                                          io->n_inputs().n_total(),
467                                          io->n_outputs().n_total(),
468                                          streams.count.n_total()));
469         }
470
471         dialog.get_vbox()->pack_start (label);
472         dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
473
474         dialog.set_name (X_("PluginIODialog"));
475         dialog.set_position (Gtk::WIN_POS_MOUSE);
476         dialog.set_modal (true);
477         dialog.show_all ();
478
479         dialog.run ();
480 }
481
482 void
483 ProcessorBox::choose_insert ()
484 {
485         boost::shared_ptr<Processor> processor (new PortInsert (_session, _placement));
486         processor->ActiveChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor)));
487         _route->add_processor (processor);
488 }
489
490 void
491 ProcessorBox::choose_send ()
492 {
493         boost::shared_ptr<Send> send (new Send (_session, _placement));
494         //send->set_default_type(_route->default_type());
495
496         ChanCount outs;
497
498         /* make an educated guess at the initial number of outputs for the send */
499
500         if (_session.master_out()) {
501                 outs = _session.master_out()->n_outputs();
502         } else {
503                 outs = _route->n_outputs();
504         }
505
506         /* XXX need processor lock on route */
507
508         try {
509                 send->io()->ensure_io (ChanCount::ZERO, outs, false, this);
510         } catch (AudioEngine::PortRegistrationFailure& err) {
511                 error << string_compose (_("Cannot set up new send: %1"), err.what()) << endmsg;
512                 return;
513         }
514         
515         /* let the user adjust the output setup (number and connections) before passing
516            it along to the Route
517         */
518         
519         IOSelectorWindow *ios = new IOSelectorWindow (_session, send->io(), false, true);
520
521         ios->show_all ();
522
523         /* bit of a hack; keep a shared_ptr to send around so that it doesn't get deleted while
524            the IOSelectorWindow is doing its stuff */
525         _send_being_created = send;
526
527         boost::shared_ptr<Processor> r = boost::static_pointer_cast<Processor>(send);
528         
529         ios->selector().Finished.connect (bind (mem_fun(*this, &ProcessorBox::send_io_finished), boost::weak_ptr<Processor>(r), ios));
530 }
531
532 void
533 ProcessorBox::send_io_finished (IOSelector::Result r, boost::weak_ptr<Processor> weak_processor, IOSelectorWindow* ios)
534 {
535         boost::shared_ptr<Processor> processor (weak_processor.lock());
536
537         /* now we can lose the dummy shared_ptr */
538         _send_being_created.reset ();
539
540         if (!processor) {
541                 return;
542         }
543
544         switch (r) {
545         case IOSelector::Cancelled:
546                 // processor will go away when all shared_ptrs to it vanish
547                 break;
548
549         case IOSelector::Accepted:
550                 _route->add_processor (processor);
551                 if (Profile->get_sae()) {
552                         processor->activate ();
553                 }
554                 break;
555         }
556
557         delete_when_idle (ios);
558 }
559
560 void
561 ProcessorBox::redisplay_processors ()
562 {
563         ENSURE_GUI_THREAD (mem_fun(*this, &ProcessorBox::redisplay_processors));
564
565         if (no_processor_redisplay) {
566                 return;
567         }
568         
569         ignore_delete = true;
570         model->clear ();
571         ignore_delete = false;
572
573         processor_active_connections.clear ();
574         processor_name_connections.clear ();
575
576         _route->foreach_processor (mem_fun (*this, &ProcessorBox::add_processor_to_display));
577
578         switch (_placement) {
579         case PreFader:
580                 build_processor_tooltip(processor_eventbox, _("Pre-fader inserts, sends & plugins:"));
581                 break;
582         case PostFader:
583                 build_processor_tooltip(processor_eventbox, _("Post-fader inserts, sends & plugins:"));
584                 break;
585         }
586 }
587
588 void
589 ProcessorBox::add_processor_to_display (boost::weak_ptr<Processor> p)
590 {
591         boost::shared_ptr<Processor> processor (p.lock ());
592         if (!processor) {
593                 return;
594         }
595         
596         if (processor->placement() != _placement) {
597                 return;
598         }
599         
600         Gtk::TreeModel::Row row = *(model->append());
601         row[columns.text] = processor_name (processor);
602         row[columns.processor] = processor;
603
604         show_processor_active (processor);
605
606         processor_active_connections.push_back (processor->ActiveChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_active), boost::weak_ptr<Processor>(processor))));
607         processor_name_connections.push_back (processor->NameChanged.connect (bind (mem_fun(*this, &ProcessorBox::show_processor_name), boost::weak_ptr<Processor>(processor))));
608 }
609
610 string
611 ProcessorBox::processor_name (boost::weak_ptr<Processor> weak_processor)
612 {
613         boost::shared_ptr<Processor> processor (weak_processor.lock());
614
615         if (!processor) {
616                 return string();
617         }
618
619         boost::shared_ptr<Send> send;
620         string name_display;
621
622         if (!processor->active()) {
623                 name_display = " (";
624         }
625
626         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
627
628                 name_display += '>';
629
630                 /* grab the send name out of its overall name */
631
632                 string::size_type lbracket, rbracket;
633                 lbracket = send->name().find ('[');
634                 rbracket = send->name().find (']');
635
636                 switch (_width) {
637                 case Wide:
638                         name_display += send->name().substr (lbracket+1, lbracket-rbracket-1);
639                         break;
640                 case Narrow:
641                         name_display += PBD::short_version (send->name().substr (lbracket+1, lbracket-rbracket-1), 4);
642                         break;
643                 }
644
645         } else {
646
647                 switch (_width) {
648                 case Wide:
649                         name_display += processor->name();
650                         break;
651                 case Narrow:
652                         name_display += PBD::short_version (processor->name(), 5);
653                         break;
654                 }
655
656         }
657
658         if (!processor->active()) {
659                 name_display += ')';
660         }
661
662         return name_display;
663 }
664
665 void
666 ProcessorBox::build_processor_tooltip (EventBox& box, string start)
667 {
668         string tip(start);
669
670         Gtk::TreeModel::Children children = model->children();
671         for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
672                 Gtk::TreeModel::Row row = *iter;
673                 tip += '\n';
674                 tip += row[columns.text];
675         }
676         ARDOUR_UI::instance()->tooltips().set_tip (box, tip);
677 }
678
679 void
680 ProcessorBox::show_processor_name (boost::weak_ptr<Processor> processor)
681 {
682         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_name), processor));
683         show_processor_active (processor);
684 }
685
686 void
687 ProcessorBox::show_processor_active (boost::weak_ptr<Processor> weak_processor)
688 {
689         boost::shared_ptr<Processor> processor (weak_processor.lock());
690         
691         if (!processor) {
692                 return;
693         }
694
695         ENSURE_GUI_THREAD(bind (mem_fun(*this, &ProcessorBox::show_processor_active), weak_processor));
696         
697         Gtk::TreeModel::Children children = model->children();
698         Gtk::TreeModel::Children::iterator iter = children.begin();
699
700         while (iter != children.end()) {
701
702                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
703
704                 if (r == processor) {
705                         (*iter)[columns.text] = processor_name (r);
706                         
707                         if (processor->active()) {
708                                 (*iter)[columns.color] = *active_processor_color;
709                         } else {
710                                 (*iter)[columns.color] = *inactive_processor_color;
711                         }
712                         break;
713                 }
714
715                 iter++;
716         }
717 }
718
719 void
720 ProcessorBox::row_deleted (const Gtk::TreeModel::Path& path)
721 {
722         if (!ignore_delete) {
723                 compute_processor_sort_keys ();
724         }
725 }
726
727 void
728 ProcessorBox::compute_processor_sort_keys ()
729 {
730         uint32_t sort_key = 0;
731         Gtk::TreeModel::Children children = model->children();
732
733         for (Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
734                 boost::shared_ptr<Processor> r = (*iter)[columns.processor];
735                 r->set_sort_key (sort_key);
736                 sort_key++;
737         }
738
739         if (_route->sort_processors ()) {
740
741                 redisplay_processors ();
742
743                 /* now tell them about the problem */
744
745                 ArdourDialog dialog (_("ardour: weird plugin dialog"));
746                 Label label;
747
748                 label.set_text (_("\
749 You cannot reorder this set of processors\n\
750 in that way because the inputs and\n\
751 outputs do not work correctly."));
752
753                 dialog.get_vbox()->pack_start (label);
754                 dialog.add_button (Stock::OK, RESPONSE_ACCEPT);
755
756                 dialog.set_name (X_("PluginIODialog"));
757                 dialog.set_position (Gtk::WIN_POS_MOUSE);
758                 dialog.set_modal (true);
759                 dialog.show_all ();
760
761                 dialog.run ();
762         }
763 }
764
765 void
766 ProcessorBox::rename_processors ()
767 {
768         vector<boost::shared_ptr<Processor> > to_be_renamed;
769         
770         get_selected_processors (to_be_renamed);
771
772         if (to_be_renamed.empty()) {
773                 return;
774         }
775
776         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_renamed.begin(); i != to_be_renamed.end(); ++i) {
777                 rename_processor (*i);
778         }
779 }
780
781 void
782 ProcessorBox::cut_processors ()
783 {
784         vector<boost::shared_ptr<Processor> > to_be_removed;
785         XMLNode* node = new XMLNode (X_("cut"));
786
787         get_selected_processors (to_be_removed);
788
789         if (to_be_removed.empty()) {
790                 return;
791         }
792
793         no_processor_redisplay = true;
794         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_removed.begin(); i != to_be_removed.end(); ++i) {
795                 // Do not cut inserts
796                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
797                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
798
799                         void* gui = (*i)->get_gui ();
800                 
801                         if (gui) {
802                                 static_cast<Gtk::Widget*>(gui)->hide ();
803                         }
804                         
805                         XMLNode& child ((*i)->get_state());
806
807                         if (_route->remove_processor (*i) == 0) {
808                                 /* success */
809                                 node->add_child_nocopy (child);
810                         } else {
811                                 delete &child;
812                         }
813                 } 
814         }
815
816         _rr_selection.set (node);
817
818         no_processor_redisplay = false;
819         redisplay_processors ();
820 }
821
822 void
823 ProcessorBox::copy_processors ()
824 {
825         vector<boost::shared_ptr<Processor> > to_be_copied;
826         XMLNode* node = new XMLNode (X_("copy"));
827
828         get_selected_processors (to_be_copied);
829
830         if (to_be_copied.empty()) {
831                 return;
832         }
833
834         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_copied.begin(); i != to_be_copied.end(); ++i) {
835                 // Do not copy inserts
836                 if (boost::dynamic_pointer_cast<PluginInsert>((*i)) != 0 ||
837                     (boost::dynamic_pointer_cast<Send>((*i)) != 0)) {
838                         node->add_child_nocopy ((*i)->get_state());
839                 }
840         }
841
842         _rr_selection.set (node);
843 }
844
845 void
846 ProcessorBox::delete_processors ()
847 {
848         vector<boost::shared_ptr<Processor> > to_be_deleted;
849         
850         get_selected_processors (to_be_deleted);
851
852         if (to_be_deleted.empty()) {
853                 return;
854         }
855
856         for (vector<boost::shared_ptr<Processor> >::iterator i = to_be_deleted.begin(); i != to_be_deleted.end(); ++i) {
857                 
858                 void* gui = (*i)->get_gui ();
859                 
860                 if (gui) {
861                         static_cast<Gtk::Widget*>(gui)->hide ();
862                 }
863
864                 _route->remove_processor(*i);
865         }
866
867         no_processor_redisplay = false;
868         redisplay_processors ();
869 }
870
871 gint
872 ProcessorBox::idle_delete_processor (boost::weak_ptr<Processor> weak_processor)
873 {
874         boost::shared_ptr<Processor> processor (weak_processor.lock());
875
876         if (!processor) {
877                 return false;
878         }
879
880         /* NOT copied to _mixer.selection() */
881
882         no_processor_redisplay = true;
883         _route->remove_processor (processor);
884         no_processor_redisplay = false;
885         redisplay_processors ();
886
887         return false;
888 }
889
890 void
891 ProcessorBox::rename_processor (boost::shared_ptr<Processor> processor)
892 {
893         ArdourPrompter name_prompter (true);
894         string result;
895         name_prompter.set_prompt (_("rename processor"));
896         name_prompter.set_initial_text (processor->name());
897         name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
898         name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
899         name_prompter.show_all ();
900
901         switch (name_prompter.run ()) {
902
903         case Gtk::RESPONSE_ACCEPT:
904         name_prompter.get_result (result);
905         if (result.length()) {
906                         processor->set_name (result);
907                 }       
908                 break;
909         }
910
911         return;
912 }
913
914 void
915 ProcessorBox::paste_processors ()
916 {
917         if (_rr_selection.processors.empty()) {
918                 return;
919         }
920
921         cerr << "paste from node called " << _rr_selection.processors.get_node().name() << endl;
922
923         paste_processor_state (_rr_selection.processors.get_node());
924 }
925
926 void
927 ProcessorBox::paste_processor_list (const list<boost::shared_ptr<Processor> >& processors)
928 {
929         list<boost::shared_ptr<Processor> > copies;
930         
931         for (list<boost::shared_ptr<Processor> >::const_iterator i = processors.begin(); i != processors.end(); ++i) {
932                 
933                 boost::shared_ptr<Processor> copy = Processor::clone (*i);
934                 
935                 copy->set_placement (_placement);
936                 copies.push_back (copy);
937         }
938
939         if (_route->add_processors (copies)) {
940
941                 string msg = _(
942                         "Copying the set of processors on the clipboard failed,\n\
943 probably because the I/O configuration of the plugins\n\
944 could not match the configuration of this track.");
945                 MessageDialog am (msg);
946                 am.run ();
947         }
948 }
949
950 void
951 ProcessorBox::paste_processor_state (const XMLNode& node)
952 {
953         XMLNodeList nlist;
954         XMLNodeConstIterator niter;
955         list<boost::shared_ptr<Processor> > copies;
956
957         nlist = node.children();
958
959         cerr << "Pasting processor selection containing " << nlist.size() << endl;
960
961         if (nlist.empty()) {
962                 return;
963         }
964
965         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
966                 cerr << "try using " << (*niter)->name() << endl;
967                 XMLProperty const * type = (*niter)->property ("type");
968                 assert (type);
969                 try {
970                         if (type->value() == "send") {
971                                 XMLNode n (**niter);
972                                 Send::make_unique (n, _session);
973                                 copies.push_back (boost::shared_ptr<Processor> (new Send (_session, n)));
974                         } else {
975                                 copies.push_back (boost::shared_ptr<Processor> (new PluginInsert (_session, **niter)));
976                         }
977                 }
978                 catch (...) {
979                         cerr << "plugin insert constructor failed\n";
980                 }
981         }
982
983         if (_route->add_processors (copies)) {
984
985                 string msg = _(
986                         "Copying the set of processors on the clipboard failed,\n\
987 probably because the I/O configuration of the plugins\n\
988 could not match the configuration of this track.");
989                 MessageDialog am (msg);
990                 am.run ();
991         }
992 }
993
994 void
995 ProcessorBox::activate_processor (boost::shared_ptr<Processor> r)
996 {
997         r->activate ();
998 }
999
1000 void
1001 ProcessorBox::deactivate_processor (boost::shared_ptr<Processor> r)
1002 {
1003         r->deactivate ();
1004 }
1005
1006 void
1007 ProcessorBox::get_selected_processors (vector<boost::shared_ptr<Processor> >& processors)
1008 {
1009     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
1010  
1011     for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1012             processors.push_back ((*(model->get_iter(*iter)))[columns.processor]);
1013     }
1014 }
1015
1016 void
1017 ProcessorBox::for_selected_processors (void (ProcessorBox::*method)(boost::shared_ptr<Processor>))
1018 {
1019     vector<Gtk::TreeModel::Path> pathlist = processor_display.get_selection()->get_selected_rows();
1020
1021         for (vector<Gtk::TreeModel::Path>::iterator iter = pathlist.begin(); iter != pathlist.end(); ++iter) {
1022                 boost::shared_ptr<Processor> processor = (*(model->get_iter(*iter)))[columns.processor];
1023                 (this->*method)(processor);
1024         }
1025 }
1026
1027 void
1028 ProcessorBox::clone_processors ()
1029 {
1030         RouteSelection& routes (_rr_selection.routes);
1031
1032         if (!routes.empty()) {
1033                 if (_route->copy_processors (*routes.front(), _placement)) {
1034                         string msg = _(
1035 "Copying the set of processors on the clipboard failed,\n\
1036 probably because the I/O configuration of the plugins\n\
1037 could not match the configuration of this track.");
1038                         MessageDialog am (msg);
1039                         am.run ();
1040                 }
1041         }
1042 }
1043
1044 void
1045 ProcessorBox::all_processors_active (bool state)
1046 {
1047         _route->all_processors_active (_placement, state);
1048 }
1049
1050 void
1051 ProcessorBox::ab_plugins ()
1052 {
1053         _route->ab_plugins (ab_direction);
1054         ab_direction = !ab_direction;
1055 }
1056
1057
1058 void
1059 ProcessorBox::clear_processors ()
1060 {
1061         string prompt;
1062         vector<string> choices;
1063
1064         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1065                 if (_placement == PreFader) {
1066                         prompt = _("Do you really want to remove all pre-fader processors from this track?\n"
1067                                    "(this cannot be undone)");
1068                 } else {
1069                         prompt = _("Do you really want to remove all post-fader processors from this track?\n"
1070                                    "(this cannot be undone)");
1071                 }
1072         } else {
1073                 if (_placement == PreFader) {
1074                         prompt = _("Do you really want to remove all pre-fader processors from this bus?\n"
1075                                    "(this cannot be undone)");
1076                 } else {
1077                         prompt = _("Do you really want to remove all post-fader processors from this bus?\n"
1078                                    "(this cannot be undone)");
1079                 }
1080         }
1081
1082         choices.push_back (_("Cancel"));
1083         choices.push_back (_("Yes, remove them all"));
1084
1085         Gtkmm2ext::Choice prompter (prompt, choices);
1086
1087         if (prompter.run () == 1) {
1088                 _route->clear_processors (_placement);
1089         }
1090 }
1091
1092 void
1093 ProcessorBox::edit_processor (boost::shared_ptr<Processor> processor)
1094 {
1095         boost::shared_ptr<Send> send;
1096         boost::shared_ptr<PluginInsert> plugin_insert;
1097         boost::shared_ptr<PortInsert> port_insert;
1098         Window* gidget = 0;
1099
1100         if (boost::dynamic_pointer_cast<AudioTrack>(_route) != 0) {
1101
1102                 if (boost::dynamic_pointer_cast<AudioTrack> (_route)->freeze_state() == AudioTrack::Frozen) {
1103                         return;
1104                 }
1105         }
1106         
1107         if ((send = boost::dynamic_pointer_cast<Send> (processor)) != 0) {
1108                 
1109                 if (!_session.engine().connected()) {
1110                         return;
1111                 }
1112
1113                 boost::shared_ptr<Send> send = boost::dynamic_pointer_cast<Send> (processor);
1114                 
1115                 SendUIWindow *send_ui;
1116                 
1117                 if (send->get_gui() == 0) {
1118                         
1119                         send_ui = new SendUIWindow (send, _session);
1120
1121                         WindowTitle title(Glib::get_application_name());
1122                         title += send->name();
1123                         send_ui->set_title (title.get_string());
1124
1125                         send->set_gui (send_ui);
1126                         
1127                 } else {
1128                         send_ui = reinterpret_cast<SendUIWindow *> (send->get_gui());
1129                 }
1130                 
1131                 gidget = send_ui;
1132                 
1133         } else if ((plugin_insert = boost::dynamic_pointer_cast<PluginInsert> (processor)) != 0) {
1134                 
1135                 PluginUIWindow *plugin_ui;
1136                 
1137                 /* these are both allowed to be null */
1138                 
1139                 Container* toplevel = get_toplevel();
1140                 Window* win = dynamic_cast<Gtk::Window*>(toplevel);
1141                 
1142                 if (plugin_insert->get_gui() == 0) {
1143                         
1144                         plugin_ui = new PluginUIWindow (win, plugin_insert);
1145                         
1146                         WindowTitle title(Glib::get_application_name());
1147                         title += generate_processor_title (plugin_insert);
1148                         plugin_ui->set_title (title.get_string());
1149                         
1150                         plugin_insert->set_gui (plugin_ui);
1151                         
1152                         // change window title when route name is changed
1153                         _route->NameChanged.connect (bind (mem_fun(*this, &ProcessorBox::route_name_changed), plugin_ui, boost::weak_ptr<PluginInsert> (plugin_insert)));
1154                         
1155                 } else {
1156                         plugin_ui = reinterpret_cast<PluginUIWindow *> (plugin_insert->get_gui());
1157                         plugin_ui->set_parent (win);
1158                 }
1159                 
1160                 gidget = plugin_ui;
1161                 
1162         } else if ((port_insert = boost::dynamic_pointer_cast<PortInsert> (processor)) != 0) {
1163                 
1164                 if (!_session.engine().connected()) {
1165                         MessageDialog msg ( _("Not connected to JACK - no I/O changes are possible"));
1166                         msg.run ();
1167                         return;
1168                 }
1169                 
1170                 PortInsertWindow *io_selector;
1171                 
1172                 if (port_insert->get_gui() == 0) {
1173                         io_selector = new PortInsertWindow (_session, port_insert);
1174                         port_insert->set_gui (io_selector);
1175                         
1176                 } else {
1177                         io_selector = reinterpret_cast<PortInsertWindow *> (port_insert->get_gui());
1178                 }
1179                 
1180                 gidget = io_selector;
1181         }
1182
1183         if (gidget) {
1184                 if (gidget->is_visible()) {
1185                         gidget->get_window()->raise ();
1186                 } else {
1187                         gidget->show_all ();
1188                         gidget->present ();
1189                 }
1190         }
1191 }
1192
1193 bool
1194 ProcessorBox::enter_box (GdkEventCrossing *ev, ProcessorBox* rb)
1195 {
1196         switch (ev->detail) {
1197         case GDK_NOTIFY_INFERIOR:
1198                 break;
1199
1200         case GDK_NOTIFY_VIRTUAL:
1201                 /* fallthru */
1202
1203         default:
1204                 _current_processor_box = rb;
1205         }
1206
1207         return false;
1208 }
1209
1210 void
1211 ProcessorBox::register_actions ()
1212 {
1213         Glib::RefPtr<Gtk::ActionGroup> popup_act_grp = Gtk::ActionGroup::create(X_("processormenu"));
1214         Glib::RefPtr<Action> act;
1215
1216         /* new stuff */
1217         ActionManager::register_action (popup_act_grp, X_("newplugin"), _("New Plugin"),  sigc::ptr_fun (ProcessorBox::rb_choose_plugin));
1218
1219         act = ActionManager::register_action (popup_act_grp, X_("newinsert"), _("New Insert"),  sigc::ptr_fun (ProcessorBox::rb_choose_insert));
1220         ActionManager::jack_sensitive_actions.push_back (act);
1221         act = ActionManager::register_action (popup_act_grp, X_("newsend"), _("New Send ..."),  sigc::ptr_fun (ProcessorBox::rb_choose_send));
1222         ActionManager::jack_sensitive_actions.push_back (act);
1223
1224         ActionManager::register_action (popup_act_grp, X_("clear"), _("Clear"),  sigc::ptr_fun (ProcessorBox::rb_clear));
1225
1226         /* standard editing stuff */
1227         act = ActionManager::register_action (popup_act_grp, X_("cut"), _("Cut"),  sigc::ptr_fun (ProcessorBox::rb_cut));
1228         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1229         act = ActionManager::register_action (popup_act_grp, X_("copy"), _("Copy"),  sigc::ptr_fun (ProcessorBox::rb_copy));
1230         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1231
1232         act = ActionManager::register_action (popup_act_grp, X_("delete"), _("Delete"),  sigc::ptr_fun (ProcessorBox::rb_delete));
1233         ActionManager::plugin_selection_sensitive_actions.push_back(act); // ??
1234
1235         paste_action = ActionManager::register_action (popup_act_grp, X_("paste"), _("Paste"),  sigc::ptr_fun (ProcessorBox::rb_paste));
1236         act = ActionManager::register_action (popup_act_grp, X_("rename"), _("Rename"),  sigc::ptr_fun (ProcessorBox::rb_rename));
1237         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1238         ActionManager::register_action (popup_act_grp, X_("selectall"), _("Select All"),  sigc::ptr_fun (ProcessorBox::rb_select_all));
1239         ActionManager::register_action (popup_act_grp, X_("deselectall"), _("Deselect All"),  sigc::ptr_fun (ProcessorBox::rb_deselect_all));
1240                 
1241         /* activation */
1242         act = ActionManager::register_action (popup_act_grp, X_("activate"), _("Activate"),  sigc::ptr_fun (ProcessorBox::rb_activate));
1243         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1244         act = ActionManager::register_action (popup_act_grp, X_("deactivate"), _("Deactivate"),  sigc::ptr_fun (ProcessorBox::rb_deactivate));
1245         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1246         ActionManager::register_action (popup_act_grp, X_("activate_all"), _("Activate all"),  sigc::ptr_fun (ProcessorBox::rb_activate_all));
1247         ActionManager::register_action (popup_act_grp, X_("deactivate_all"), _("Deactivate all"),  sigc::ptr_fun (ProcessorBox::rb_deactivate_all));
1248
1249         /* show editors */
1250         act = ActionManager::register_action (popup_act_grp, X_("edit"), _("Edit"),  sigc::ptr_fun (ProcessorBox::rb_edit));
1251         ActionManager::plugin_selection_sensitive_actions.push_back(act);
1252
1253         ActionManager::add_action_group (popup_act_grp);
1254
1255
1256 }
1257
1258 void
1259 ProcessorBox::rb_choose_plugin ()
1260 {
1261         if (_current_processor_box == 0) {
1262                 return;
1263         }
1264         _current_processor_box->choose_plugin ();
1265 }
1266
1267 void
1268 ProcessorBox::rb_choose_insert ()
1269 {
1270         if (_current_processor_box == 0) {
1271                 return;
1272         }
1273         _current_processor_box->choose_insert ();
1274 }
1275
1276 void
1277 ProcessorBox::rb_choose_send ()
1278 {
1279         if (_current_processor_box == 0) {
1280                 return;
1281         }
1282         _current_processor_box->choose_send ();
1283 }
1284
1285 void
1286 ProcessorBox::rb_clear ()
1287 {
1288         if (_current_processor_box == 0) {
1289                 return;
1290         }
1291
1292         _current_processor_box->clear_processors ();
1293 }
1294
1295 void
1296 ProcessorBox::rb_cut ()
1297 {
1298         if (_current_processor_box == 0) {
1299                 return;
1300         }
1301
1302         _current_processor_box->cut_processors ();
1303 }
1304
1305 void
1306 ProcessorBox::rb_delete ()
1307 {
1308         if (_current_processor_box == 0) {
1309                 return;
1310         }
1311
1312         _current_processor_box->delete_processors ();
1313 }
1314
1315 void
1316 ProcessorBox::rb_copy ()
1317 {
1318         if (_current_processor_box == 0) {
1319                 return;
1320         }
1321         _current_processor_box->copy_processors ();
1322 }
1323
1324 void
1325 ProcessorBox::rb_paste ()
1326 {
1327         if (_current_processor_box == 0) {
1328                 return;
1329         }
1330
1331         _current_processor_box->paste_processors ();
1332 }
1333
1334 void
1335 ProcessorBox::rb_rename ()
1336 {
1337         if (_current_processor_box == 0) {
1338                 return;
1339         }
1340         _current_processor_box->rename_processors ();
1341 }
1342
1343 void
1344 ProcessorBox::rb_select_all ()
1345 {
1346         if (_current_processor_box == 0) {
1347                 return;
1348         }
1349
1350         _current_processor_box->select_all_processors ();
1351 }
1352
1353 void
1354 ProcessorBox::rb_deselect_all ()
1355 {
1356         if (_current_processor_box == 0) {
1357                 return;
1358         }
1359
1360         _current_processor_box->deselect_all_processors ();
1361 }
1362
1363 void
1364 ProcessorBox::rb_activate ()
1365 {
1366         if (_current_processor_box == 0) {
1367                 return;
1368         }
1369
1370         _current_processor_box->for_selected_processors (&ProcessorBox::activate_processor);
1371 }
1372
1373 void
1374 ProcessorBox::rb_deactivate ()
1375 {
1376         if (_current_processor_box == 0) {
1377                 return;
1378         }
1379         _current_processor_box->for_selected_processors (&ProcessorBox::deactivate_processor);
1380 }
1381
1382 void
1383 ProcessorBox::rb_activate_all ()
1384 {
1385         if (_current_processor_box == 0) {
1386                 return;
1387         }
1388
1389         _current_processor_box->all_processors_active (true);
1390 }
1391
1392 void
1393 ProcessorBox::rb_deactivate_all ()
1394 {
1395         if (_current_processor_box == 0) {
1396                 return;
1397         }
1398         _current_processor_box->all_processors_active (false);
1399 }
1400
1401 void
1402 ProcessorBox::rb_edit ()
1403 {
1404         if (_current_processor_box == 0) {
1405                 return;
1406         }
1407
1408         _current_processor_box->for_selected_processors (&ProcessorBox::edit_processor);
1409 }
1410
1411 void
1412 ProcessorBox::route_name_changed (PluginUIWindow* plugin_ui, boost::weak_ptr<PluginInsert> wpi)
1413 {
1414         ENSURE_GUI_THREAD(bind (mem_fun (*this, &ProcessorBox::route_name_changed), plugin_ui, wpi));
1415
1416         boost::shared_ptr<PluginInsert> pi (wpi.lock());
1417
1418         if (pi) {
1419                 WindowTitle title(Glib::get_application_name());
1420                 title += generate_processor_title (pi);
1421                 plugin_ui->set_title (title.get_string());
1422         }
1423 }
1424
1425 string 
1426 ProcessorBox::generate_processor_title (boost::shared_ptr<PluginInsert> pi)
1427 {
1428         string maker = pi->plugin()->maker() ? pi->plugin()->maker() : "";
1429         string::size_type email_pos;
1430
1431         if ((email_pos = maker.find_first_of ('<')) != string::npos) {
1432                 maker = maker.substr (0, email_pos - 1);
1433         }
1434
1435         if (maker.length() > 32) {
1436                 maker = maker.substr (0, 32);
1437                 maker += " ...";
1438         }
1439
1440         return string_compose(_("%1: %2 (by %3)"), _route->name(), pi->name(), maker);  
1441 }
1442