Fix crash on snapshot change.
[ardour.git] / gtk2_ardour / mixer_strip.cc
1 /*
2     Copyright (C) 2000-2006 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 #include <cmath>
20 #include <list>
21 #include <algorithm>
22
23 #include <sigc++/bind.h>
24
25 #include "pbd/convert.h"
26 #include "pbd/enumwriter.h"
27 #include "pbd/replace_all.h"
28 #include "pbd/stacktrace.h"
29
30 #include <gtkmm2ext/gtk_ui.h>
31 #include <gtkmm2ext/utils.h>
32 #include <gtkmm2ext/choice.h>
33 #include <gtkmm2ext/doi.h>
34 #include <gtkmm2ext/slider_controller.h>
35 #include <gtkmm2ext/bindable_button.h>
36
37 #include "ardour/audio_track.h"
38 #include "ardour/audioengine.h"
39 #include "ardour/internal_send.h"
40 #include "ardour/meter.h"
41 #include "ardour/midi_track.h"
42 #include "ardour/pannable.h"
43 #include "ardour/panner.h"
44 #include "ardour/panner_shell.h"
45 #include "ardour/panner_manager.h"
46 #include "ardour/port.h"
47 #include "ardour/profile.h"
48 #include "ardour/route.h"
49 #include "ardour/route_group.h"
50 #include "ardour/send.h"
51 #include "ardour/session.h"
52 #include "ardour/types.h"
53 #include "ardour/user_bundle.h"
54
55 #include "ardour_ui.h"
56 #include "ardour_window.h"
57 #include "mixer_strip.h"
58 #include "mixer_ui.h"
59 #include "keyboard.h"
60 #include "ardour_button.h"
61 #include "public_editor.h"
62 #include "send_ui.h"
63 #include "io_selector.h"
64 #include "utils.h"
65 #include "gui_thread.h"
66 #include "route_group_menu.h"
67 #include "meter_patterns.h"
68
69 #include "i18n.h"
70
71 using namespace ARDOUR;
72 using namespace ARDOUR_UI_UTILS;
73 using namespace PBD;
74 using namespace Gtk;
75 using namespace Gtkmm2ext;
76 using namespace std;
77 using namespace ArdourMeter;
78
79 MixerStrip* MixerStrip::_entered_mixer_strip;
80
81 PBD::Signal1<void,MixerStrip*> MixerStrip::CatchDeletion;
82
83 static const int _button_vpad = 4;
84
85 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, bool in_mixer)
86         : AxisView(sess)
87         , RouteUI (sess)
88         , _mixer(mx)
89         , _mixer_owned (in_mixer)
90         , processor_box (sess, boost::bind (&MixerStrip::plugin_selector, this), mx.selection(), this, in_mixer)
91         , gpm (sess, 250)
92         , panners (sess)
93         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
94         , rec_mon_table (2, 2)
95         , solo_iso_table (1, 2)
96         , mute_solo_table (1, 2)
97         , bottom_button_table (1, 3)
98         , meter_point_button (_("pre"))
99         , midi_input_enable_button (0)
100         , _comment_button (_("Comments"))
101         , _visibility (X_("mixer-element-visibility"))
102 {
103         init ();
104
105         if (!_mixer_owned) {
106                 /* the editor mixer strip: don't destroy it every time
107                    the underlying route goes away.
108                 */
109
110                 self_destruct = false;
111         }
112 }
113
114 MixerStrip::MixerStrip (Mixer_UI& mx, Session* sess, boost::shared_ptr<Route> rt, bool in_mixer)
115         : AxisView(sess)
116         , RouteUI (sess)
117         , _mixer(mx)
118         , _mixer_owned (in_mixer)
119         , processor_box (sess, boost::bind (&MixerStrip::plugin_selector, this), mx.selection(), this, in_mixer)
120         , gpm (sess, 250)
121         , panners (sess)
122         , button_size_group (Gtk::SizeGroup::create (Gtk::SIZE_GROUP_HORIZONTAL))
123         , rec_mon_table (2, 2)
124         , solo_iso_table (1, 2)
125         , mute_solo_table (1, 2)
126         , bottom_button_table (1, 3)
127         , meter_point_button (_("pre"))
128         , midi_input_enable_button (0)
129         , _comment_button (_("Comments"))
130         , _visibility (X_("mixer-element-visibility"))
131 {
132         init ();
133         set_route (rt);
134 }
135
136 void
137 MixerStrip::init ()
138 {
139         int button_table_row = 0;
140
141         _entered_mixer_strip= 0;
142         group_menu = 0;
143         route_ops_menu = 0;
144         ignore_comment_edit = false;
145         ignore_toggle = false;
146         comment_area = 0;
147         _width_owner = 0;
148         spacer = 0;
149
150         /* the length of this string determines the width of the mixer strip when it is set to `wide' */
151         longest_label = "longest label";
152
153         string t = _("Click to toggle the width of this mixer strip.");
154         if (_mixer_owned) {
155                 t += string_compose (_("\n%1-%2-click to toggle the width of all strips."), Keyboard::primary_modifier_name(), Keyboard::tertiary_modifier_name ());
156         }
157         
158         width_button.set_image (::get_icon("strip_width"));
159         ARDOUR_UI::instance()->set_tip (width_button, t);
160
161         hide_button.set_image(::get_icon("hide"));
162         ARDOUR_UI::instance()->set_tip (&hide_button, _("Hide this mixer strip"));
163
164         input_button_box.set_spacing(2);
165         
166         input_button.set_text (_("Input"));
167         input_button.set_name ("mixer strip button");
168         input_button.set_size_request (-1, 20);
169         input_button_box.pack_start (input_button, true, true);
170
171         output_button.set_text (_("Output"));
172         output_button.set_name ("mixer strip button");
173         output_button.set_size_request (-1, 20);
174
175         ARDOUR_UI::instance()->set_tip (&meter_point_button, _("Click to select metering point"), "");
176         meter_point_button.set_name ("mixer strip button");
177
178         bottom_button_table.attach (meter_point_button, 2, 3, 0, 1);
179
180         meter_point_button.signal_button_press_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_press), false);
181         meter_point_button.signal_button_release_event().connect (sigc::mem_fun (gpm, &GainMeter::meter_release), false);
182         
183         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
184
185         monitor_input_button->set_diameter (3);
186         monitor_disk_button->set_diameter (3);
187
188         solo_isolated_led = manage (new ArdourButton (ArdourButton::led_default_elements));
189         solo_isolated_led->show ();
190         solo_isolated_led->set_diameter (3);
191         solo_isolated_led->set_no_show_all (true);
192         solo_isolated_led->set_name (X_("solo isolate"));
193         solo_isolated_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
194         solo_isolated_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_isolate_button_release));
195         UI::instance()->set_tip (solo_isolated_led, _("Isolate Solo"), "");
196
197         solo_safe_led = manage (new ArdourButton (ArdourButton::led_default_elements));
198         solo_safe_led->show ();
199         solo_safe_led->set_diameter (3);
200         solo_safe_led->set_no_show_all (true);
201         solo_safe_led->set_name (X_("solo safe"));
202         solo_safe_led->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
203         solo_safe_led->signal_button_release_event().connect (sigc::mem_fun (*this, &RouteUI::solo_safe_button_release));
204         UI::instance()->set_tip (solo_safe_led, _("Lock Solo Status"), "");
205
206         solo_safe_led->set_text (_("Lock"));
207         solo_isolated_led->set_text (_("Iso"));
208
209         solo_iso_table.set_homogeneous (true);
210         solo_iso_table.set_spacings (2);
211         if (!ARDOUR::Profile->get_trx()) {
212                 solo_iso_table.attach (*solo_isolated_led, 0, 1, 0, 1);
213                 solo_iso_table.attach (*solo_safe_led, 1, 2, 0, 1);
214         }
215         solo_iso_table.show ();
216
217         rec_mon_table.set_homogeneous (true);
218         rec_mon_table.set_row_spacings (2);
219         rec_mon_table.set_col_spacings (2);
220         if (ARDOUR::Profile->get_mixbus()) {
221                 rec_mon_table.resize (1, 3);
222                 rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
223                 rec_mon_table.attach (*monitor_disk_button, 2, 3, 0, 1);
224         } else if (!ARDOUR::Profile->get_trx()) {
225                 rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
226                 rec_mon_table.attach (*monitor_disk_button, 1, 2, 1, 2);
227         }
228         rec_mon_table.show ();
229
230         if (solo_isolated_led) {
231                 button_size_group->add_widget (*solo_isolated_led);
232         }
233         if (solo_safe_led) {
234                 button_size_group->add_widget (*solo_safe_led);
235         }
236
237         if (!ARDOUR::Profile->get_mixbus()) {
238                 if (rec_enable_button) {
239                         button_size_group->add_widget (*rec_enable_button);
240                 }
241                 if (monitor_disk_button) {
242                         button_size_group->add_widget (*monitor_disk_button);
243                 }
244                 if (monitor_input_button) {
245                         button_size_group->add_widget (*monitor_input_button);
246                 }
247         }
248         
249         mute_solo_table.set_homogeneous (true);
250         mute_solo_table.set_spacings (2);
251
252         bottom_button_table.set_spacings (2);
253         bottom_button_table.set_homogeneous (true);
254         bottom_button_table.attach (group_button, 1, 2, 0, 1);
255         bottom_button_table.attach (gpm.gain_automation_state_button, 0, 1, 0, 1);
256
257         name_button.set_name ("mixer strip button");
258         name_button.set_text (" "); /* non empty text, forces creation of the layout */
259         name_button.set_text (""); /* back to empty */
260         name_button.layout()->set_ellipsize (Pango::ELLIPSIZE_END);
261         name_button.signal_size_allocate().connect (sigc::mem_fun (*this, &MixerStrip::name_button_resized));
262         name_button.set_size_request (-1, 20);
263
264         ARDOUR_UI::instance()->set_tip (&group_button, _("Mix group"), "");
265         group_button.set_name ("mixer strip button");
266         group_button.set_size_request (-1, 20);
267
268         _comment_button.set_name (X_("mixer strip button"));
269         _comment_button.signal_clicked.connect (sigc::mem_fun (*this, &RouteUI::toggle_comment_editor));
270         _comment_button.set_size_request (-1, 20);
271
272         global_vpacker.set_border_width (1);
273         global_vpacker.set_spacing (0);
274
275         width_button.set_name ("mixer strip button");
276         hide_button.set_name ("mixer strip button");
277
278         width_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::width_button_pressed), false);
279         hide_button.signal_clicked.connect (sigc::mem_fun(*this, &MixerStrip::hide_clicked));
280
281 //      width_hide_box.set_border_width (1);
282         width_hide_box.set_spacing (2);
283         width_hide_box.pack_start (width_button, false, true);
284         width_hide_box.pack_start (number_label, true, true);
285         width_hide_box.pack_end (hide_button, false, true);
286
287         number_label.set_text ("-");
288         number_label.set_no_show_all ();
289         number_label.set_name ("tracknumber label");
290         number_label.set_fixed_colors (0x80808080, 0x80808080);
291         number_label.set_alignment (.5, .5);
292
293         global_vpacker.set_spacing (2);
294         if (!ARDOUR::Profile->get_trx()) {
295                 global_vpacker.pack_start (width_hide_box, Gtk::PACK_SHRINK);
296                 global_vpacker.pack_start (name_button, Gtk::PACK_SHRINK);
297                 global_vpacker.pack_start (input_button_box, Gtk::PACK_SHRINK);
298                 global_vpacker.pack_start (_invert_button_box, Gtk::PACK_SHRINK);
299                 global_vpacker.pack_start (processor_box, true, true);
300         }
301         global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
302         global_vpacker.pack_start (rec_mon_table, Gtk::PACK_SHRINK);
303         global_vpacker.pack_start (solo_iso_table, Gtk::PACK_SHRINK);
304         global_vpacker.pack_start (mute_solo_table, Gtk::PACK_SHRINK);
305         global_vpacker.pack_start (gpm, Gtk::PACK_SHRINK);
306         global_vpacker.pack_start (bottom_button_table, Gtk::PACK_SHRINK);
307         if (!ARDOUR::Profile->get_trx()) {
308                 global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
309                 global_vpacker.pack_start (_comment_button, Gtk::PACK_SHRINK);
310         } else {
311                 global_vpacker.pack_start (name_button, Gtk::PACK_SHRINK);
312         }
313
314         global_frame.add (global_vpacker);
315         global_frame.set_shadow_type (Gtk::SHADOW_IN);
316         global_frame.set_name ("BaseFrame");
317
318         add (global_frame);
319
320         /* force setting of visible selected status */
321
322         _selected = true;
323         set_selected (false);
324
325         _packed = false;
326         _embedded = false;
327
328         _session->engine().Stopped.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_stopped, this), gui_context());
329         _session->engine().Running.connect (*this, invalidator (*this), boost::bind (&MixerStrip::engine_running, this), gui_context());
330
331         input_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::input_press), false);
332         output_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::output_press), false);
333
334         /* ditto for this button and busses */
335
336         number_label.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::number_button_button_press), false);
337         name_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::name_button_button_press), false);
338         group_button.signal_button_press_event().connect (sigc::mem_fun(*this, &MixerStrip::select_route_group), false);
339
340         _width = (Width) -1;
341
342         /* start off as a passthru strip. we'll correct this, if necessary,
343            in update_diskstream_display().
344         */
345
346         /* start off as a passthru strip. we'll correct this, if necessary,
347            in update_diskstream_display().
348         */
349
350         if (is_midi_track()) {
351                 set_name ("MidiTrackStripBase");
352         } else {
353                 set_name ("AudioTrackStripBase");
354         }
355
356         add_events (Gdk::BUTTON_RELEASE_MASK|
357                     Gdk::ENTER_NOTIFY_MASK|
358                     Gdk::LEAVE_NOTIFY_MASK|
359                     Gdk::KEY_PRESS_MASK|
360                     Gdk::KEY_RELEASE_MASK);
361
362         set_flags (get_flags() | Gtk::CAN_FOCUS);
363
364         AudioEngine::instance()->PortConnectedOrDisconnected.connect (
365                 *this, invalidator (*this), boost::bind (&MixerStrip::port_connected_or_disconnected, this, _1, _3), gui_context ()
366                 );
367
368         /* Add the widgets under visibility control to the VisibilityGroup; the names used here
369            must be the same as those used in RCOptionEditor so that the configuration changes
370            are recognised when they occur.
371         */
372         _visibility.add (&input_button_box, X_("Input"), _("Input"), false);
373         _visibility.add (&_invert_button_box, X_("PhaseInvert"), _("Phase Invert"), false);
374         _visibility.add (&rec_mon_table, X_("RecMon"), _("Record & Monitor"), false);
375         _visibility.add (&solo_iso_table, X_("SoloIsoLock"), _("Solo Iso / Lock"), false);
376         _visibility.add (&output_button, X_("Output"), _("Output"), false);
377         _visibility.add (&_comment_button, X_("Comments"), _("Comments"), false);
378
379         parameter_changed (X_("mixer-element-visibility"));
380
381         Config->ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
382         _session->config.ParameterChanged.connect (_config_connection, MISSING_INVALIDATOR, boost::bind (&MixerStrip::parameter_changed, this, _1), gui_context());
383
384         //watch for mouse enter/exit so we can do some stuff
385         signal_enter_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_enter_event ));
386         signal_leave_notify_event().connect (sigc::mem_fun(*this, &MixerStrip::mixer_strip_leave_event ));
387
388         gpm.LevelMeterButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&MixerStrip::level_meter_button_press, this, _1));
389 }
390
391 MixerStrip::~MixerStrip ()
392 {
393         CatchDeletion (this);
394
395         if (this ==_entered_mixer_strip)
396                 _entered_mixer_strip = NULL;
397 }
398
399 bool
400 MixerStrip::mixer_strip_enter_event (GdkEventCrossing *ev)
401 {
402         _entered_mixer_strip = this;
403         
404         //although we are triggering on the "enter", to the user it will appear that it is happenin on the "leave"
405         //because the mixerstrip control is a parent that encompasses the strip
406         deselect_all_processors();
407
408         return false;
409 }
410
411 bool
412 MixerStrip::mixer_strip_leave_event (GdkEventCrossing *ev)
413 {
414         //if we have moved outside our strip, but not into a child view, then deselect ourselves
415         if ( !(ev->detail == GDK_NOTIFY_INFERIOR) ) {
416                 _entered_mixer_strip= 0;
417
418                 //clear keyboard focus in the gain display.  this is cheesy but fixes a longstanding "bug" where the user starts typing in the gain entry, and leaves it active, thereby prohibiting other keybindings from working
419                 gpm.gain_display.set_sensitive(false);
420                 gpm.show_gain();
421                 gpm.gain_display.set_sensitive(true);
422
423                 //if we leave this mixer strip we need to clear out any selections
424                 //processor_box.processor_display.select_none();  //but this doesn't work, because it gets triggered when (for example) you open the menu or start a drag
425         }
426         
427         return false;
428 }
429
430 void
431 MixerStrip::set_route (boost::shared_ptr<Route> rt)
432 {
433         //the rec/monitor stuff only shows up for tracks.
434         //the show_sends only shows up for buses.
435         //remove them all here, and we may add them back later
436         if (show_sends_button->get_parent()) {
437                 rec_mon_table.remove (*show_sends_button);
438         }
439         if (rec_enable_button->get_parent()) {
440                 rec_mon_table.remove (*rec_enable_button);
441         }
442         if (monitor_input_button->get_parent()) {
443                 rec_mon_table.remove (*monitor_input_button);
444         }
445         if (monitor_disk_button->get_parent()) {
446                 rec_mon_table.remove (*monitor_disk_button);
447         }
448         if (group_button.get_parent()) {
449                 bottom_button_table.remove (group_button);
450         }
451         
452         RouteUI::set_route (rt);
453
454         /* ProcessorBox needs access to _route so that it can read
455            GUI object state.
456         */
457         processor_box.set_route (rt);
458
459         /* map the current state */
460
461         mute_changed (0);
462         update_solo_display ();
463
464         revert_to_default_display ();
465
466         /* unpack these from the parent and stuff them into our own
467            table
468         */
469         
470         if (gpm.peak_display.get_parent()) {
471                 gpm.peak_display.get_parent()->remove (gpm.peak_display);
472         }
473         if (gpm.gain_display.get_parent()) {
474                 gpm.gain_display.get_parent()->remove (gpm.gain_display);
475         }
476
477         gpm.set_type (rt->meter_type());
478         
479         mute_solo_table.attach (gpm.gain_display,0,1,1,2, EXPAND|FILL, EXPAND);
480         mute_solo_table.attach (gpm.peak_display,1,2,1,2);
481
482         if (solo_button->get_parent()) {
483                 mute_solo_table.remove (*solo_button);
484         }
485
486         if (mute_button->get_parent()) {
487                 mute_solo_table.remove (*mute_button);
488         }
489
490         if (route()->is_master()) {
491                 mute_solo_table.attach (*mute_button, 0, 2, 0, 1);
492                 solo_button->hide ();
493                 mute_button->show ();
494                 rec_mon_table.hide ();
495         } else {
496                 bottom_button_table.attach (group_button, 1, 2, 0, 1);
497                 mute_solo_table.attach (*mute_button, 0, 1, 0, 1);
498                 mute_solo_table.attach (*solo_button, 1, 2, 0, 1);
499                 mute_button->show ();
500                 solo_button->show ();
501                 rec_mon_table.show ();
502         }
503
504         if (_mixer_owned && route()->is_master() ) {
505
506                 HScrollbar scrollbar;
507                 Gtk::Requisition requisition(scrollbar.size_request ());
508                 int scrollbar_height = requisition.height;
509
510                 spacer = manage (new EventBox);
511                 spacer->set_size_request (-1, scrollbar_height+2);
512                 global_vpacker.pack_start (*spacer, false, false);
513                 spacer->show();
514         }
515
516         if (is_track()) {
517                 monitor_input_button->show ();
518                 monitor_disk_button->show ();
519         } else {
520                 monitor_input_button->hide();
521                 monitor_disk_button->hide ();
522         }
523
524         if (is_midi_track()) {
525                 if (midi_input_enable_button == 0) {
526                         midi_input_enable_button = manage (new ArdourButton);
527                         midi_input_enable_button->set_name ("midi input button");
528                         midi_input_enable_button->set_image (::get_icon (X_("midi_socket_small")));
529                         midi_input_enable_button->signal_button_press_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_press), false);
530                         midi_input_enable_button->signal_button_release_event().connect (sigc::mem_fun (*this, &MixerStrip::input_active_button_release), false);
531                         ARDOUR_UI::instance()->set_tip (midi_input_enable_button, _("Enable/Disable MIDI input"));
532                 } else {
533                         input_button_box.remove (*midi_input_enable_button);
534                 }
535                 /* get current state */
536                 midi_input_status_changed ();
537                 input_button_box.pack_start (*midi_input_enable_button, false, false);
538                 /* follow changes */
539                 midi_track()->InputActiveChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::midi_input_status_changed, this), gui_context());
540         } else {
541                 if (midi_input_enable_button) {
542                         /* removal from the container will delete it */
543                         input_button_box.remove (*midi_input_enable_button);
544                         midi_input_enable_button = 0;
545                 }
546         }
547
548         if (is_audio_track()) {
549                 boost::shared_ptr<AudioTrack> at = audio_track();
550                 at->FreezeChange.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::map_frozen, this), gui_context());
551         }
552
553         if (is_track ()) {
554
555                 rec_mon_table.attach (*rec_enable_button, 0, 1, 0, ARDOUR::Profile->get_mixbus() ? 1 : 2);
556                 rec_enable_button->set_sensitive (_session->writable());
557                 rec_enable_button->show();
558
559                 if (ARDOUR::Profile->get_mixbus()) {
560                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
561                         rec_mon_table.attach (*monitor_disk_button, 2, 3, 0, 1);
562                 } else if (ARDOUR::Profile->get_trx()) {
563                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 2);
564                 } else {
565                         rec_mon_table.attach (*monitor_input_button, 1, 2, 0, 1);
566                         rec_mon_table.attach (*monitor_disk_button, 1, 2, 1, 2);
567                 }
568
569         } else {
570
571                 /* non-master bus */
572
573                 if (!_route->is_master()) {
574                         rec_mon_table.attach (*show_sends_button, 0, 1, 0, 2);
575                         show_sends_button->show();
576                 }
577         }
578
579         meter_point_button.set_text (meter_point_string (_route->meter_point()));
580
581         delete route_ops_menu;
582         route_ops_menu = 0;
583
584         _route->meter_change.connect (route_connections, invalidator (*this), bind (&MixerStrip::meter_changed, this), gui_context());
585         _route->input()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_output_display, this), gui_context());
586         _route->output()->changed.connect (*this, invalidator (*this), boost::bind (&MixerStrip::update_output_display, this), gui_context());
587         _route->route_group_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::route_group_changed, this), gui_context());
588
589         _route->io_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::io_changed_proxy, this), gui_context ());
590
591         if (_route->panner_shell()) {
592                 update_panner_choices();
593                 _route->panner_shell()->Changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::connect_to_pan, this), gui_context());
594         }
595
596         if (is_audio_track()) {
597                 audio_track()->DiskstreamChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::diskstream_changed, this), gui_context());
598         }
599
600         _route->comment_changed.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::setup_comment_button, this), gui_context());
601         _route->PropertyChanged.connect (route_connections, invalidator (*this), boost::bind (&MixerStrip::property_changed, this, _1), gui_context());
602
603         set_stuff_from_route ();
604
605         /* now force an update of all the various elements */
606
607         mute_changed (0);
608         update_solo_display ();
609         name_changed ();
610         comment_changed (0);
611         route_group_changed ();
612
613         connect_to_pan ();
614         panners.setup_pan ();
615
616         if (has_audio_outputs ()) {
617                 panners.show_all ();
618         } else {
619                 panners.hide_all ();
620         }
621
622         update_diskstream_display ();
623         update_input_display ();
624         update_output_display ();
625
626         add_events (Gdk::BUTTON_RELEASE_MASK);
627
628         processor_box.show ();
629
630         if (!route()->is_master() && !route()->is_monitor()) {
631                 /* we don't allow master or control routes to be hidden */
632                 hide_button.show();
633                 number_label.show();
634         }
635
636         gpm.reset_peak_display ();
637         gpm.gain_display.show ();
638         gpm.peak_display.show ();
639
640         width_button.show();
641         width_hide_box.show();
642         global_frame.show();
643         global_vpacker.show();
644         mute_solo_table.show();
645         bottom_button_table.show();
646         gpm.show_all ();
647         meter_point_button.show();
648         input_button_box.show_all();
649         output_button.show();
650         name_button.show();
651         _comment_button.show();
652         group_button.show();
653         gpm.gain_automation_state_button.show();
654
655         parameter_changed ("mixer-element-visibility");
656
657         show ();
658 }
659
660 void
661 MixerStrip::set_stuff_from_route ()
662 {
663         /* if width is not set, it will be set by the MixerUI or editor */
664
665         string str = gui_property ("strip-width");
666         if (!str.empty()) {
667                 set_width_enum (Width (string_2_enum (str, _width)), this);
668         }
669 }
670
671 void
672 MixerStrip::set_width_enum (Width w, void* owner)
673 {
674         /* always set the gpm width again, things may be hidden */
675
676         gpm.set_width (w);
677         panners.set_width (w);
678
679         boost::shared_ptr<AutomationList> gain_automation = _route->gain_control()->alist();
680
681         _width_owner = owner;
682
683         _width = w;
684
685         if (_width_owner == this) {
686                 set_gui_property ("strip-width", enum_2_string (_width));
687         }
688
689         set_button_names ();
690
691         switch (w) {
692         case Wide:
693
694                 if (show_sends_button)  {
695                         show_sends_button->set_text (_("Aux\nSends"));
696                         show_sends_button->layout()->set_alignment (Pango::ALIGN_CENTER);
697                 }
698
699                 gpm.gain_automation_style_button.set_text (
700                                 gpm.astyle_string(gain_automation->automation_style()));
701                 gpm.gain_automation_state_button.set_text (
702                                 gpm.astate_string(gain_automation->automation_state()));
703
704                 if (_route->panner()) {
705                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
706                                         panners.astyle_string(_route->panner()->automation_style()));
707                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
708                                         panners.astate_string(_route->panner()->automation_state()));
709                 }
710
711
712                 set_size_request (max (110, gpm.get_gm_width()+5), -1);
713                 break;
714
715         case Narrow:
716
717                 if (show_sends_button) {
718                         show_sends_button->set_text (_("Snd"));
719                 }
720
721                 gpm.gain_automation_style_button.set_text (
722                                 gpm.short_astyle_string(gain_automation->automation_style()));
723                 gpm.gain_automation_state_button.set_text (
724                                 gpm.short_astate_string(gain_automation->automation_state()));
725                 gain_meter().setup_meters (); // recalc meter width
726
727                 if (_route->panner()) {
728                         ((Gtk::Label*)panners.pan_automation_style_button.get_child())->set_text (
729                         panners.short_astyle_string(_route->panner()->automation_style()));
730                         ((Gtk::Label*)panners.pan_automation_state_button.get_child())->set_text (
731                         panners.short_astate_string(_route->panner()->automation_state()));
732                 }
733
734                 set_size_request (max (60, gpm.get_gm_width() + 10), -1);
735                 break;
736         }
737
738         processor_box.set_width (w);
739
740         update_input_display ();
741         update_output_display ();
742         setup_comment_button ();
743         route_group_changed ();
744         name_changed ();
745         WidthChanged ();
746 }
747
748 void
749 MixerStrip::set_packed (bool yn)
750 {
751         _packed = yn;
752
753         if (_packed) {
754                 set_gui_property ("visible", true);
755         } else {
756                 set_gui_property ("visible", false);
757         }
758 }
759
760
761 struct RouteCompareByName {
762         bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
763                 return a->name().compare (b->name()) < 0;
764         }
765 };
766
767 gint
768 MixerStrip::output_press (GdkEventButton *ev)
769 {
770         using namespace Menu_Helpers;
771         if (!_session->engine().connected()) {
772                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
773                 msg.run ();
774                 return true;
775         }
776
777         MenuList& citems = output_menu.items();
778         switch (ev->button) {
779
780         case 1:
781                 edit_output_configuration ();
782                 break;
783
784         case 3:
785         {
786                 output_menu.set_name ("ArdourContextMenu");
787                 citems.clear ();
788                 output_menu_bundles.clear ();
789
790                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
791
792                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
793                         citems.push_back (
794                                 MenuElem (
795                                         string_compose ("Add %1 port", (*i).to_i18n_string()),
796                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_output_port), *i)
797                                         )
798                                 );
799                 }
800                 
801                 citems.push_back (SeparatorElem());
802                 uint32_t const n_with_separator = citems.size ();
803
804                 ARDOUR::BundleList current = _route->output()->bundles_connected ();
805
806                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
807
808                 /* give user bundles first chance at being in the menu */
809
810                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
811                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
812                                 maybe_add_bundle_to_output_menu (*i, current);
813                         }
814                 }
815
816                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
817                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
818                                 maybe_add_bundle_to_output_menu (*i, current);
819                         }
820                 }
821
822                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
823                 RouteList copy = *routes;
824                 copy.sort (RouteCompareByName ());
825                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
826                         maybe_add_bundle_to_output_menu ((*i)->input()->bundle(), current);
827                 }
828
829                 if (citems.size() == n_with_separator) {
830                         /* no routes added; remove the separator */
831                         citems.pop_back ();
832                 }
833
834                 output_menu.popup (1, ev->time);
835                 break;
836         }
837
838         default:
839                 break;
840         }
841         return TRUE;
842 }
843
844 gint
845 MixerStrip::input_press (GdkEventButton *ev)
846 {
847         using namespace Menu_Helpers;
848
849         MenuList& citems = input_menu.items();
850         input_menu.set_name ("ArdourContextMenu");
851         citems.clear();
852
853         if (!_session->engine().connected()) {
854                 MessageDialog msg (_("Not connected to audio engine - no I/O changes are possible"));
855                 msg.run ();
856                 return true;
857         }
858
859         if (_session->actively_recording() && _route->record_enabled())
860                 return true;
861
862         switch (ev->button) {
863
864         case 1:
865                 edit_input_configuration ();
866                 break;
867
868         case 3:
869         {
870                 citems.push_back (MenuElem (_("Disconnect"), sigc::mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
871
872                 for (DataType::iterator i = DataType::begin(); i != DataType::end(); ++i) {
873                         citems.push_back (
874                                 MenuElem (
875                                         string_compose ("Add %1 port", (*i).to_i18n_string()),
876                                         sigc::bind (sigc::mem_fun (*this, &MixerStrip::add_input_port), *i)
877                                         )
878                                 );
879                 }
880
881                 citems.push_back (SeparatorElem());
882                 uint32_t const n_with_separator = citems.size ();
883                 
884                 input_menu_bundles.clear ();
885
886                 ARDOUR::BundleList current = _route->input()->bundles_connected ();
887
888                 boost::shared_ptr<ARDOUR::BundleList> b = _session->bundles ();
889
890                 /* give user bundles first chance at being in the menu */
891
892                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
893                         if (boost::dynamic_pointer_cast<UserBundle> (*i)) {
894                                 maybe_add_bundle_to_input_menu (*i, current);
895                         }
896                 }
897
898                 for (ARDOUR::BundleList::iterator i = b->begin(); i != b->end(); ++i) {
899                         if (boost::dynamic_pointer_cast<UserBundle> (*i) == 0) {
900                                 maybe_add_bundle_to_input_menu (*i, current);
901                         }
902                 }
903
904                 boost::shared_ptr<ARDOUR::RouteList> routes = _session->get_routes ();
905                 RouteList copy = *routes;
906                 copy.sort (RouteCompareByName ());
907                 for (ARDOUR::RouteList::const_iterator i = copy.begin(); i != copy.end(); ++i) {
908                         maybe_add_bundle_to_input_menu ((*i)->output()->bundle(), current);
909                 }
910
911                 if (citems.size() == n_with_separator) {
912                         /* no routes added; remove the separator */
913                         citems.pop_back ();
914                 }
915
916                 input_menu.popup (1, ev->time);
917                 break;
918         }
919         default:
920                 break;
921         }
922         return TRUE;
923 }
924
925 void
926 MixerStrip::bundle_input_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
927 {
928         if (ignore_toggle) {
929                 return;
930         }
931
932         ARDOUR::BundleList current = _route->input()->bundles_connected ();
933
934         if (std::find (current.begin(), current.end(), c) == current.end()) {
935                 _route->input()->connect_ports_to_bundle (c, true, this);
936         } else {
937                 _route->input()->disconnect_ports_from_bundle (c, this);
938         }
939 }
940
941 void
942 MixerStrip::bundle_output_chosen (boost::shared_ptr<ARDOUR::Bundle> c)
943 {
944         if (ignore_toggle) {
945                 return;
946         }
947
948         ARDOUR::BundleList current = _route->output()->bundles_connected ();
949
950         if (std::find (current.begin(), current.end(), c) == current.end()) {
951                 _route->output()->connect_ports_to_bundle (c, true, this);
952         } else {
953                 _route->output()->disconnect_ports_from_bundle (c, this);
954         }
955 }
956
957 void
958 MixerStrip::maybe_add_bundle_to_input_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
959 {
960         using namespace Menu_Helpers;
961
962         if (b->ports_are_outputs() == false || b->nchannels() != _route->n_inputs() || *b == *_route->output()->bundle()) {
963                 return;
964         }
965
966         list<boost::shared_ptr<Bundle> >::iterator i = input_menu_bundles.begin ();
967         while (i != input_menu_bundles.end() && b->has_same_ports (*i) == false) {
968                 ++i;
969         }
970
971         if (i != input_menu_bundles.end()) {
972                 return;
973         }
974
975         input_menu_bundles.push_back (b);
976
977         MenuList& citems = input_menu.items();
978
979         std::string n = b->name ();
980         replace_all (n, "_", " ");
981
982         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_input_chosen), b)));
983 }
984
985 void
986 MixerStrip::maybe_add_bundle_to_output_menu (boost::shared_ptr<Bundle> b, ARDOUR::BundleList const& /*current*/)
987 {
988         using namespace Menu_Helpers;
989
990         if (b->ports_are_inputs() == false || b->nchannels() != _route->n_outputs() || *b == *_route->input()->bundle()) {
991                 return;
992         }
993
994         list<boost::shared_ptr<Bundle> >::iterator i = output_menu_bundles.begin ();
995         while (i != output_menu_bundles.end() && b->has_same_ports (*i) == false) {
996                 ++i;
997         }
998
999         if (i != output_menu_bundles.end()) {
1000                 return;
1001         }
1002
1003         output_menu_bundles.push_back (b);
1004
1005         MenuList& citems = output_menu.items();
1006
1007         std::string n = b->name ();
1008         replace_all (n, "_", " ");
1009
1010         citems.push_back (MenuElem (n, sigc::bind (sigc::mem_fun(*this, &MixerStrip::bundle_output_chosen), b)));
1011 }
1012
1013 void
1014 MixerStrip::update_diskstream_display ()
1015 {
1016         if (is_track() && input_selector) {
1017                         input_selector->hide_all ();
1018         }
1019
1020         route_color_changed ();
1021 }
1022
1023 void
1024 MixerStrip::connect_to_pan ()
1025 {
1026         ENSURE_GUI_THREAD (*this, &MixerStrip::connect_to_pan)
1027
1028         panstate_connection.disconnect ();
1029         panstyle_connection.disconnect ();
1030
1031         if (!_route->panner()) {
1032                 return;
1033         }
1034
1035         boost::shared_ptr<Pannable> p = _route->pannable ();
1036
1037         p->automation_state_changed.connect (panstate_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_state_changed, &panners), gui_context());
1038         p->automation_style_changed.connect (panstyle_connection, invalidator (*this), boost::bind (&PannerUI::pan_automation_style_changed, &panners), gui_context());
1039
1040         /* This call reduncant, PannerUI::set_panner() connects to _panshell->Changed itself
1041          * However, that only works a panner was previously set.
1042          *
1043          * PannerUI must remain subscribed to _panshell->Changed() in case
1044          * we switch the panner eg. AUX-Send and back
1045          * _route->panner_shell()->Changed() vs _panshell->Changed
1046          */
1047         if (panners._panner == 0) {
1048                 panners.panshell_changed ();
1049         }
1050         update_panner_choices();
1051 }
1052
1053 void
1054 MixerStrip::update_panner_choices ()
1055 {
1056         ENSURE_GUI_THREAD (*this, &MixerStrip::update_panner_choices)
1057         if (!_route->panner_shell()) { return; }
1058
1059         uint32_t in = _route->output()->n_ports().n_audio();
1060         uint32_t out = in;
1061         if (_route->panner()) {
1062                 in = _route->panner()->in().n_audio();
1063         }
1064
1065         panners.set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
1066 }
1067
1068 /*
1069  * Output port labelling
1070  * =====================
1071  *
1072  * Case 1: Each output has one connection, all connections are to system:playback_%i
1073  *   out 1 -> system:playback_1
1074  *   out 2 -> system:playback_2
1075  *   out 3 -> system:playback_3
1076  *   Display as: 1/2/3
1077  *
1078  * Case 2: Each output has one connection, all connections are to ardour:track_x/in 1
1079  *   out 1 -> ardour:track_x/in 1
1080  *   out 2 -> ardour:track_x/in 2
1081  *   Display as: track_x
1082  *
1083  * Case 3: Each output has one connection, all connections are to Jack client "program x"
1084  *   out 1 -> program x:foo
1085  *   out 2 -> program x:foo
1086  *   Display as: program x
1087  *
1088  * Case 4: No connections (Disconnected)
1089  *   Display as: -
1090  *
1091  * Default case (unusual routing):
1092  *   Display as: *number of connections*
1093  *
1094  * Tooltips
1095  * ========
1096  * .-----------------------------------------------.
1097  * | Mixdown                                       |
1098  * | out 1 -> ardour:master/in 1, jamin:input/in 1 |
1099  * | out 2 -> ardour:master/in 2, jamin:input/in 2 |
1100  * '-----------------------------------------------'
1101  * .-----------------------------------------------.
1102  * | Guitar SM58                                   |
1103  * | Disconnected                                  |
1104  * '-----------------------------------------------'
1105  */
1106
1107 void
1108 MixerStrip::update_io_button (boost::shared_ptr<ARDOUR::Route> route, Width width, bool for_input)
1109 {
1110         uint32_t io_count;
1111         uint32_t io_index;
1112         boost::shared_ptr<Port> port;
1113         vector<string> port_connections;
1114
1115         uint32_t total_connection_count = 0;
1116         uint32_t io_connection_count = 0;
1117         uint32_t ardour_connection_count = 0;
1118         uint32_t system_connection_count = 0;
1119         uint32_t other_connection_count = 0;
1120
1121         ostringstream label;
1122         string label_string;
1123
1124         bool have_label = false;
1125         bool each_io_has_one_connection = true;
1126
1127         string connection_name;
1128         string ardour_track_name;
1129         string other_connection_type;
1130         string system_ports;
1131         string system_port;
1132
1133         ostringstream tooltip;
1134         char * tooltip_cstr;
1135
1136         if (for_input) {
1137                 io_count = route->n_inputs().n_total();
1138                 tooltip << string_compose (_("<b>INPUT</b> to %1"), Glib::Markup::escape_text(route->name()));
1139         } else {
1140                 io_count = route->n_outputs().n_total();
1141                 tooltip << string_compose (_("<b>OUTPUT</b> from %1"), Glib::Markup::escape_text(route->name()));
1142         }
1143
1144
1145         for (io_index = 0; io_index < io_count; ++io_index) {
1146                 if (for_input) {
1147                         port = route->input()->nth (io_index);
1148                 } else {
1149                         port = route->output()->nth (io_index);
1150                 }
1151
1152                 port_connections.clear ();
1153                 port->get_connections(port_connections);
1154                 io_connection_count = 0;
1155
1156                 if (!port_connections.empty()) {
1157                         for (vector<string>::iterator i = port_connections.begin(); i != port_connections.end(); ++i) {
1158                                 string& connection_name (*i);
1159
1160                                 if (io_connection_count == 0) {
1161                                         tooltip << endl << Glib::Markup::escape_text(port->name().substr(port->name().find("/") + 1)) << " -> " << Glib::Markup::escape_text(connection_name);
1162                                 } else {
1163                                         tooltip << ", " << Glib::Markup::escape_text(connection_name);
1164                                 }
1165
1166                                 if (connection_name.find("ardour:") == 0) {
1167                                         if (ardour_track_name.empty()) {
1168                                                 // "ardour:Master/in 1" -> "ardour:Master/"
1169                                                 string::size_type slash = connection_name.find("/");
1170                                                 if (slash != string::npos) {
1171                                                         ardour_track_name = connection_name.substr(0, slash + 1);
1172                                                 }
1173                                         }
1174
1175                                         if (connection_name.find(ardour_track_name) == 0) {
1176                                                 ++ardour_connection_count;
1177                                         }
1178                                 } else if (connection_name.find("system:") == 0) {
1179                                         if (for_input) {
1180                                                 // "system:capture_123" -> "123"
1181                                                 system_port = connection_name.substr(15);
1182                                         } else {
1183                                                 // "system:playback_123" -> "123"
1184                                                 system_port = connection_name.substr(16);
1185                                         }
1186
1187                                         if (system_ports.empty()) {
1188                                                 system_ports += system_port;
1189                                         } else {
1190                                                 system_ports += "/" + system_port;
1191                                         }
1192
1193                                         ++system_connection_count;
1194                                 } else {
1195                                         if (other_connection_type.empty()) {
1196                                                 // "jamin:in 1" -> "jamin:"
1197                                                 other_connection_type = connection_name.substr(0, connection_name.find(":") + 1);
1198                                         }
1199
1200                                         if (connection_name.find(other_connection_type) == 0) {
1201                                                 ++other_connection_count;
1202                                         }
1203                                 }
1204
1205                                 ++total_connection_count;
1206                                 ++io_connection_count;
1207                         }
1208                 }
1209
1210                 if (io_connection_count != 1) {
1211                         each_io_has_one_connection = false;
1212                 }
1213         }
1214
1215         if (total_connection_count == 0) {
1216                 tooltip << endl << _("Disconnected");
1217         }
1218
1219         tooltip_cstr = new char[tooltip.str().size() + 1];
1220         strcpy(tooltip_cstr, tooltip.str().c_str());
1221
1222         if (for_input) {
1223                 ARDOUR_UI::instance()->set_tip (&input_button, tooltip_cstr, "");
1224         } else {
1225                 ARDOUR_UI::instance()->set_tip (&output_button, tooltip_cstr, "");
1226         }
1227
1228         if (each_io_has_one_connection) {
1229                 if (total_connection_count == ardour_connection_count) {
1230                         // all connections are to the same track in ardour
1231                         // "ardour:Master/" -> "Master"
1232                         string::size_type slash = ardour_track_name.find("/");
1233                         if (slash != string::npos) {
1234                                 label << ardour_track_name.substr(7, slash - 7);
1235                                 have_label = true;
1236                         }
1237                 }
1238                 else if (total_connection_count == system_connection_count) {
1239                         // all connections are to system ports
1240                         label << system_ports;
1241                         have_label = true;
1242                 }
1243                 else if (total_connection_count == other_connection_count) {
1244                         // all connections are to the same external program eg jamin
1245                         // "jamin:" -> "jamin"
1246                         label << other_connection_type.substr(0, other_connection_type.size() - 1);
1247                         have_label = true;
1248                 }
1249         }
1250
1251         if (!have_label) {
1252                 if (total_connection_count == 0) {
1253                         // Disconnected
1254                         label << "-";
1255                 } else {
1256                         // Odd configuration
1257                         label << "*" << total_connection_count << "*";
1258                 }
1259         }
1260
1261         switch (width) {
1262         case Wide:
1263                 label_string = label.str().substr(0, 7);
1264                 break;
1265         case Narrow:
1266                 label_string = label.str().substr(0, 3);
1267                 break;
1268         }
1269
1270         if (for_input) {
1271                 input_button.set_text (label_string);
1272         } else {
1273                 output_button.set_text (label_string);
1274         }
1275 }
1276
1277 void
1278 MixerStrip::update_input_display ()
1279 {
1280         update_io_button (_route, _width, true);
1281         panners.setup_pan ();
1282
1283         if (has_audio_outputs ()) {
1284                 panners.show_all ();
1285         } else {
1286                 panners.hide_all ();
1287         }
1288
1289 }
1290
1291 void
1292 MixerStrip::update_output_display ()
1293 {
1294         update_io_button (_route, _width, false);
1295         gpm.setup_meters ();
1296         panners.setup_pan ();
1297
1298         if (has_audio_outputs ()) {
1299                 panners.show_all ();
1300         } else {
1301                 panners.hide_all ();
1302         }
1303 }
1304
1305 void
1306 MixerStrip::fast_update ()
1307 {
1308         gpm.update_meters ();
1309 }
1310
1311 void
1312 MixerStrip::diskstream_changed ()
1313 {
1314         Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&MixerStrip::update_diskstream_display, this));
1315 }
1316
1317 void
1318 MixerStrip::io_changed_proxy ()
1319 {
1320         Glib::signal_idle().connect_once (sigc::mem_fun (*this, &MixerStrip::update_panner_choices));
1321 }
1322
1323 void
1324 MixerStrip::port_connected_or_disconnected (boost::weak_ptr<Port> wa, boost::weak_ptr<Port> wb)
1325 {
1326         boost::shared_ptr<Port> a = wa.lock ();
1327         boost::shared_ptr<Port> b = wb.lock ();
1328
1329         if ((a && _route->input()->has_port (a)) || (b && _route->input()->has_port (b))) {
1330                 update_input_display ();
1331                 set_width_enum (_width, this);
1332         }
1333
1334         if ((a && _route->output()->has_port (a)) || (b && _route->output()->has_port (b))) {
1335                 update_output_display ();
1336                 set_width_enum (_width, this);
1337         }
1338 }
1339
1340 void
1341 MixerStrip::setup_comment_button ()
1342 {
1343         switch (_width) {
1344
1345         case Wide:
1346                 if (_route->comment().empty ()) {
1347                         _comment_button.unset_bg (STATE_NORMAL);
1348                         _comment_button.set_text (_("Comments"));
1349                 } else {
1350                         _comment_button.modify_bg (STATE_NORMAL, color ());
1351                         _comment_button.set_text (_("*Comments*"));
1352                 }
1353                 break;
1354
1355         case Narrow:
1356                 if (_route->comment().empty ()) {
1357                         _comment_button.unset_bg (STATE_NORMAL);
1358                         _comment_button.set_text (_("Cmt"));
1359                 } else {
1360                         _comment_button.modify_bg (STATE_NORMAL, color ());
1361                         _comment_button.set_text (_("*Cmt*"));
1362                 }
1363                 break;
1364         }
1365
1366         ARDOUR_UI::instance()->set_tip (
1367                 _comment_button, _route->comment().empty() ? _("Click to Add/Edit Comments") : _route->comment()
1368                 );
1369
1370 }
1371
1372 bool
1373 MixerStrip::select_route_group (GdkEventButton *ev)
1374 {
1375         using namespace Menu_Helpers;
1376
1377         if (ev->button == 1) {
1378
1379                 if (group_menu == 0) {
1380
1381                         PropertyList* plist = new PropertyList();
1382
1383                         plist->add (Properties::gain, true);
1384                         plist->add (Properties::mute, true);
1385                         plist->add (Properties::solo, true);
1386
1387                         group_menu = new RouteGroupMenu (_session, plist);
1388                 }
1389
1390                 WeakRouteList r;
1391                 r.push_back (route ());
1392                 group_menu->build (r);
1393                 group_menu->menu()->popup (1, ev->time);
1394         }
1395
1396         return true;
1397 }
1398
1399 void
1400 MixerStrip::route_group_changed ()
1401 {
1402         ENSURE_GUI_THREAD (*this, &MixerStrip::route_group_changed)
1403
1404         RouteGroup *rg = _route->route_group();
1405
1406         if (rg) {
1407                 group_button.set_text (PBD::short_version (rg->name(), 5));
1408         } else {
1409                 switch (_width) {
1410                 case Wide:
1411                         group_button.set_text (_("Grp"));
1412                         break;
1413                 case Narrow:
1414                         group_button.set_text (_("~G"));
1415                         break;
1416                 }
1417         }
1418 }
1419
1420 void
1421 MixerStrip::route_color_changed ()
1422 {
1423         name_button.modify_bg (STATE_NORMAL, color());
1424         number_label.set_fixed_colors (gdk_color_to_rgba (color()), gdk_color_to_rgba (color()));
1425         reset_strip_style ();
1426 }
1427
1428 void
1429 MixerStrip::show_passthru_color ()
1430 {
1431         reset_strip_style ();
1432 }
1433
1434 void
1435 MixerStrip::build_route_ops_menu ()
1436 {
1437         using namespace Menu_Helpers;
1438         route_ops_menu = new Menu;
1439         route_ops_menu->set_name ("ArdourContextMenu");
1440
1441         MenuList& items = route_ops_menu->items();
1442
1443         items.push_back (MenuElem (_("Color..."), sigc::mem_fun (*this, &RouteUI::choose_color)));
1444
1445         items.push_back (MenuElem (_("Comments..."), sigc::mem_fun (*this, &RouteUI::open_comment_editor)));
1446
1447         items.push_back (MenuElem (_("Inputs..."), sigc::mem_fun (*this, &RouteUI::edit_input_configuration)));
1448
1449         items.push_back (MenuElem (_("Outputs..."), sigc::mem_fun (*this, &RouteUI::edit_output_configuration)));
1450
1451         items.push_back (SeparatorElem());
1452
1453         if (!_route->is_master()) {
1454                 items.push_back (MenuElem (_("Save As Template..."), sigc::mem_fun(*this, &RouteUI::save_as_template)));
1455         }
1456         items.push_back (MenuElem (_("Rename..."), sigc::mem_fun(*this, &RouteUI::route_rename)));
1457         rename_menu_item = &items.back();
1458
1459         items.push_back (SeparatorElem());
1460         items.push_back (CheckMenuElem (_("Active")));
1461         Gtk::CheckMenuItem* i = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1462         i->set_active (_route->active());
1463         i->set_sensitive(! _session->transport_rolling());
1464         i->signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &RouteUI::set_route_active), !_route->active(), false));
1465
1466         items.push_back (SeparatorElem());
1467
1468         items.push_back (MenuElem (_("Adjust Latency..."), sigc::mem_fun (*this, &RouteUI::adjust_latency)));
1469
1470         items.push_back (SeparatorElem());
1471         items.push_back (CheckMenuElem (_("Protect Against Denormals"), sigc::mem_fun (*this, &RouteUI::toggle_denormal_protection)));
1472         denormal_menu_item = dynamic_cast<Gtk::CheckMenuItem *> (&items.back());
1473         denormal_menu_item->set_active (_route->denormal_protection());
1474
1475         if (!Profile->get_sae()) {
1476                 items.push_back (SeparatorElem());
1477                 items.push_back (MenuElem (_("Remote Control ID..."), sigc::mem_fun (*this, &RouteUI::open_remote_control_id_dialog)));
1478         }
1479
1480         items.push_back (SeparatorElem());
1481         items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun(*this, &RouteUI::remove_this_route), false)));
1482 }
1483
1484 gboolean
1485 MixerStrip::name_button_button_press (GdkEventButton* ev)
1486 {
1487         /* show menu for either button 1 or 3, so as not to confuse people
1488            and also not hide stuff from them.
1489         */
1490
1491         if (ev->button == 3 || ev->button == 1) {
1492                 list_route_operations ();
1493
1494                 /* do not allow rename if the track is record-enabled */
1495                 rename_menu_item->set_sensitive (!_route->record_enabled());
1496                 route_ops_menu->popup (1, ev->time);
1497         }
1498
1499         return false;
1500 }
1501
1502 gboolean
1503 MixerStrip::number_button_button_press (GdkEventButton* ev)
1504 {
1505         if (  ev->button == 3 ) {
1506                 list_route_operations ();
1507
1508                 /* do not allow rename if the track is record-enabled */
1509                 rename_menu_item->set_sensitive (!_route->record_enabled());
1510                 route_ops_menu->popup (1, ev->time);
1511         }
1512
1513         return false;
1514 }
1515
1516 void
1517 MixerStrip::list_route_operations ()
1518 {
1519         delete route_ops_menu;
1520         build_route_ops_menu ();
1521 }
1522
1523 void
1524 MixerStrip::set_selected (bool yn)
1525 {
1526         AxisView::set_selected (yn);
1527         if (_selected) {
1528                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1529                 global_frame.set_name ("MixerStripSelectedFrame");
1530         } else {
1531                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1532                 global_frame.set_name ("MixerStripFrame");
1533         }
1534         global_frame.queue_draw ();
1535         
1536 //      if (!yn)
1537 //              processor_box.deselect_all_processors();
1538 }
1539
1540 void
1541 MixerStrip::property_changed (const PropertyChange& what_changed)
1542 {
1543         RouteUI::property_changed (what_changed);
1544
1545         if (what_changed.contains (ARDOUR::Properties::name)) {
1546                 name_changed ();
1547         }
1548 }
1549
1550 void
1551 MixerStrip::name_changed ()
1552 {
1553         switch (_width) {
1554         case Wide:
1555                 if (_session->config.get_track_name_number()) {
1556                         const int64_t track_number = _route->track_number ();
1557                         if (track_number == 0) {
1558                                 number_label.set_text ("-");
1559                         } else {
1560                                 number_label.set_text (PBD::to_string (abs(_route->track_number ()), std::dec));
1561                         }
1562                 } else {
1563                         number_label.set_text ("");
1564                 }
1565                 name_button.set_text (_route->name());
1566                 break;
1567         case Narrow:
1568                 if (_session->config.get_track_name_number()) {
1569                         name_button.set_markup(track_number_to_string (_route->track_number (), " ",
1570                                                 PBD::short_version (_route->name (), 5)));
1571                 } else {
1572                         name_button.set_text (PBD::short_version (_route->name(), 5));
1573                 }
1574                 break;
1575         }
1576
1577         ARDOUR_UI::instance()->set_tip (name_button, _route->name());
1578 }
1579
1580 void
1581 MixerStrip::name_button_resized (Gtk::Allocation& alloc)
1582 {
1583         name_button.layout()->set_width (alloc.get_width() * PANGO_SCALE);
1584 }
1585
1586 bool
1587 MixerStrip::width_button_pressed (GdkEventButton* ev)
1588 {
1589         if (ev->button != 1) {
1590                 return false;
1591         }
1592         
1593         if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier | Keyboard::TertiaryModifier)) && _mixer_owned) {
1594                 switch (_width) {
1595                 case Wide:
1596                         _mixer.set_strip_width (Narrow, true);
1597                         break;
1598
1599                 case Narrow:
1600                         _mixer.set_strip_width (Wide, true);
1601                         break;
1602                 }
1603         } else {
1604                 switch (_width) {
1605                 case Wide:
1606                         set_width_enum (Narrow, this);
1607                         break;
1608                 case Narrow:
1609                         set_width_enum (Wide, this);
1610                         break;
1611                 }
1612         }
1613
1614         return true;
1615 }
1616
1617 void
1618 MixerStrip::hide_clicked ()
1619 {
1620         // LAME fix to reset the button status for when it is redisplayed (part 1)
1621         hide_button.set_sensitive(false);
1622
1623         if (_embedded) {
1624                 Hiding(); /* EMIT_SIGNAL */
1625         } else {
1626                 _mixer.hide_strip (this);
1627         }
1628
1629         // (part 2)
1630         hide_button.set_sensitive(true);
1631 }
1632
1633 void
1634 MixerStrip::set_embedded (bool yn)
1635 {
1636         _embedded = yn;
1637 }
1638
1639 void
1640 MixerStrip::map_frozen ()
1641 {
1642         ENSURE_GUI_THREAD (*this, &MixerStrip::map_frozen)
1643
1644         boost::shared_ptr<AudioTrack> at = audio_track();
1645
1646         if (at) {
1647                 switch (at->freeze_state()) {
1648                 case AudioTrack::Frozen:
1649                         processor_box.set_sensitive (false);
1650                         hide_redirect_editors ();
1651                         break;
1652                 default:
1653                         processor_box.set_sensitive (true);
1654                         // XXX need some way, maybe, to retoggle redirect editors
1655                         break;
1656                 }
1657         }
1658 }
1659
1660 void
1661 MixerStrip::hide_redirect_editors ()
1662 {
1663         _route->foreach_processor (sigc::mem_fun (*this, &MixerStrip::hide_processor_editor));
1664 }
1665
1666 void
1667 MixerStrip::hide_processor_editor (boost::weak_ptr<Processor> p)
1668 {
1669         boost::shared_ptr<Processor> processor (p.lock ());
1670         if (!processor) {
1671                 return;
1672         }
1673
1674         Gtk::Window* w = processor_box.get_processor_ui (processor);
1675
1676         if (w) {
1677                 w->hide ();
1678         }
1679 }
1680
1681 void
1682 MixerStrip::reset_strip_style ()
1683 {
1684         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
1685
1686                 gpm.set_fader_name ("SendStripBase");
1687
1688         } else {
1689
1690                 if (is_midi_track()) {
1691                         if (_route->active()) {
1692                                 set_name ("MidiTrackStripBase");
1693                         } else {
1694                                 set_name ("MidiTrackStripBaseInactive");
1695                         }
1696                         gpm.set_fader_name ("MidiTrackFader");
1697                 } else if (is_audio_track()) {
1698                         if (_route->active()) {
1699                                 set_name ("AudioTrackStripBase");
1700                         } else {
1701                                 set_name ("AudioTrackStripBaseInactive");
1702                         }
1703                         gpm.set_fader_name ("AudioTrackFader");
1704                 } else {
1705                         if (_route->active()) {
1706                                 set_name ("AudioBusStripBase");
1707                         } else {
1708                                 set_name ("AudioBusStripBaseInactive");
1709                         }
1710                         gpm.set_fader_name ("AudioBusFader");
1711
1712                         /* (no MIDI busses yet) */
1713                 }
1714         }
1715 }
1716
1717
1718 void
1719 MixerStrip::engine_stopped ()
1720 {
1721 }
1722
1723 void
1724 MixerStrip::engine_running ()
1725 {
1726 }
1727
1728 string
1729 MixerStrip::meter_point_string (MeterPoint mp)
1730 {
1731         switch (_width) {
1732         case Wide:
1733                 switch (mp) {
1734                 case MeterInput:
1735                         return _("In");
1736                         break;
1737                         
1738                 case MeterPreFader:
1739                         return _("Pre");
1740                         break;
1741                         
1742                 case MeterPostFader:
1743                         return _("Post");
1744                         break;
1745                         
1746                 case MeterOutput:
1747                         return _("Out");
1748                         break;
1749                         
1750                 case MeterCustom:
1751                 default:
1752                         return _("Custom");
1753                         break;
1754                 }
1755                 break;
1756         case Narrow:
1757                 switch (mp) {
1758                 case MeterInput:
1759                         return _("In");
1760                         break;
1761                         
1762                 case MeterPreFader:
1763                         return _("Pr");
1764                         break;
1765                         
1766                 case MeterPostFader:
1767                         return _("Po");
1768                         break;
1769                         
1770                 case MeterOutput:
1771                         return _("O");
1772                         break;
1773                         
1774                 case MeterCustom:
1775                 default:
1776                         return _("C");
1777                         break;
1778                 }
1779                 break;
1780         }
1781
1782         return string();
1783 }
1784
1785 /** Called when the metering point has changed */
1786 void
1787 MixerStrip::meter_changed ()
1788 {
1789         meter_point_button.set_text (meter_point_string (_route->meter_point()));
1790         gpm.setup_meters ();
1791         // reset peak when meter point changes
1792         gpm.reset_peak_display();
1793 }
1794
1795 /** The bus that we are displaying sends to has changed, or been turned off.
1796  *  @param send_to New bus that we are displaying sends to, or 0.
1797  */
1798 void
1799 MixerStrip::bus_send_display_changed (boost::shared_ptr<Route> send_to)
1800 {
1801         RouteUI::bus_send_display_changed (send_to);
1802
1803         if (send_to) {
1804                 boost::shared_ptr<Send> send = _route->internal_send_for (send_to);
1805
1806                 if (send) {
1807                         show_send (send);
1808                 } else {
1809                         revert_to_default_display ();
1810                 }
1811         } else {
1812                 revert_to_default_display ();
1813         }
1814 }
1815
1816 void
1817 MixerStrip::drop_send ()
1818 {
1819         boost::shared_ptr<Send> current_send;
1820
1821         if (_current_delivery && ((current_send = boost::dynamic_pointer_cast<Send>(_current_delivery)) != 0)) {
1822                 current_send->set_metering (false);
1823         }
1824
1825         send_gone_connection.disconnect ();
1826         input_button.set_sensitive (true);
1827         output_button.set_sensitive (true);
1828         group_button.set_sensitive (true);
1829         set_invert_sensitive (true);
1830         meter_point_button.set_sensitive (true);
1831         mute_button->set_sensitive (true);
1832         solo_button->set_sensitive (true);
1833         rec_enable_button->set_sensitive (true);
1834         solo_isolated_led->set_sensitive (true);
1835         solo_safe_led->set_sensitive (true);
1836         monitor_input_button->set_sensitive (true);
1837         monitor_disk_button->set_sensitive (true);
1838         _comment_button.set_sensitive (true);
1839 }
1840
1841 void
1842 MixerStrip::set_current_delivery (boost::shared_ptr<Delivery> d)
1843 {
1844         _current_delivery = d;
1845         DeliveryChanged (_current_delivery);
1846 }
1847
1848 void
1849 MixerStrip::show_send (boost::shared_ptr<Send> send)
1850 {
1851         assert (send != 0);
1852
1853         drop_send ();
1854
1855         set_current_delivery (send);
1856
1857         send->meter()->set_type(_route->shared_peak_meter()->get_type());
1858         send->set_metering (true);
1859         _current_delivery->DropReferences.connect (send_gone_connection, invalidator (*this), boost::bind (&MixerStrip::revert_to_default_display, this), gui_context());
1860
1861         gain_meter().set_controls (_route, send->meter(), send->amp());
1862         gain_meter().setup_meters ();
1863
1864         uint32_t const in = _current_delivery->pans_required();
1865         uint32_t const out = _current_delivery->pan_outs();
1866
1867         panner_ui().set_panner (_current_delivery->panner_shell(), _current_delivery->panner());
1868         panner_ui().set_available_panners(PannerManager::instance().PannerManager::get_available_panners(in, out));
1869         panner_ui().setup_pan ();
1870         panner_ui().set_send_drawing_mode (true);
1871         panner_ui().show_all ();
1872
1873         input_button.set_sensitive (false);
1874         group_button.set_sensitive (false);
1875         set_invert_sensitive (false);
1876         meter_point_button.set_sensitive (false);
1877         mute_button->set_sensitive (false);
1878         solo_button->set_sensitive (false);
1879         rec_enable_button->set_sensitive (false);
1880         solo_isolated_led->set_sensitive (false);
1881         solo_safe_led->set_sensitive (false);
1882         monitor_input_button->set_sensitive (false);
1883         monitor_disk_button->set_sensitive (false);
1884         _comment_button.set_sensitive (false);
1885
1886         if (boost::dynamic_pointer_cast<InternalSend>(send)) {
1887                 output_button.set_sensitive (false);
1888         }
1889
1890         reset_strip_style ();
1891 }
1892
1893 void
1894 MixerStrip::revert_to_default_display ()
1895 {
1896         drop_send ();
1897
1898         set_current_delivery (_route->main_outs ());
1899
1900         gain_meter().set_controls (_route, _route->shared_peak_meter(), _route->amp());
1901         gain_meter().setup_meters ();
1902
1903         panner_ui().set_panner (_route->main_outs()->panner_shell(), _route->main_outs()->panner());
1904         update_panner_choices();
1905         panner_ui().setup_pan ();
1906         panner_ui().set_send_drawing_mode (false);
1907
1908         if (has_audio_outputs ()) {
1909                 panners.show_all ();
1910         } else {
1911                 panners.hide_all ();
1912         }
1913
1914         reset_strip_style ();
1915 }
1916
1917 void
1918 MixerStrip::set_button_names ()
1919 {
1920         switch (_width) {
1921         case Wide:
1922                 rec_enable_button->set_text (_("Rec"));
1923                 mute_button->set_text (_("Mute"));
1924                 monitor_input_button->set_text (_("In"));
1925                 monitor_disk_button->set_text (_("Disk"));
1926
1927                 if (_route && _route->solo_safe()) {
1928                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
1929                 } else {
1930                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
1931                 }
1932                 if (!Config->get_solo_control_is_listen_control()) {
1933                         solo_button->set_text (_("Solo"));
1934                 } else {
1935                         switch (Config->get_listen_position()) {
1936                         case AfterFaderListen:
1937                                 solo_button->set_text (_("AFL"));
1938                                 break;
1939                         case PreFaderListen:
1940                                 solo_button->set_text (_("PFL"));
1941                                 break;
1942                         }
1943                 }
1944                 solo_isolated_led->set_text (_("Iso"));
1945                 solo_safe_led->set_text (_("Lock"));
1946                 break;
1947
1948         default:
1949                 rec_enable_button->set_text (_("R"));
1950                 mute_button->set_text (_("M"));
1951                 monitor_input_button->set_text (_("I"));
1952                 monitor_disk_button->set_text (_("D"));
1953
1954                 if (_route && _route->solo_safe()) {
1955                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() | Gtkmm2ext::Insensitive));
1956                 } else {
1957                         solo_button->set_visual_state (Gtkmm2ext::VisualState (solo_button->visual_state() & ~Gtkmm2ext::Insensitive));
1958                 }
1959                 if (!Config->get_solo_control_is_listen_control()) {
1960                         solo_button->set_text (_("S"));
1961                 } else {
1962                         switch (Config->get_listen_position()) {
1963                         case AfterFaderListen:
1964                                 solo_button->set_text (_("A"));
1965                                 break;
1966                         case PreFaderListen:
1967                                 solo_button->set_text (_("P"));
1968                                 break;
1969                         }
1970                 }
1971
1972                 solo_isolated_led->set_text (_("I"));
1973                 solo_safe_led->set_text (_("L"));
1974                 break;
1975         }
1976
1977         if (_route) {
1978                 meter_point_button.set_text (meter_point_string (_route->meter_point()));
1979         } else {
1980                 meter_point_button.set_text ("");
1981         }
1982 }
1983
1984 PluginSelector*
1985 MixerStrip::plugin_selector()
1986 {
1987         return _mixer.plugin_selector();
1988 }
1989
1990 void
1991 MixerStrip::hide_things ()
1992 {
1993         processor_box.hide_things ();
1994 }
1995
1996 bool
1997 MixerStrip::input_active_button_press (GdkEventButton*)
1998 {
1999         /* nothing happens on press */
2000         return true;
2001 }
2002
2003 bool
2004 MixerStrip::input_active_button_release (GdkEventButton* ev)
2005 {
2006         boost::shared_ptr<MidiTrack> mt = midi_track ();
2007
2008         if (!mt) {
2009                 return true;
2010         }
2011
2012         boost::shared_ptr<RouteList> rl (new RouteList);
2013
2014         rl->push_back (route());
2015
2016         _session->set_exclusive_input_active (rl, !mt->input_active(),
2017                                               Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)));
2018
2019         return true;
2020 }
2021
2022 void
2023 MixerStrip::midi_input_status_changed ()
2024 {
2025         if (midi_input_enable_button) {
2026                 boost::shared_ptr<MidiTrack> mt = midi_track ();
2027                 assert (mt);
2028                 midi_input_enable_button->set_active (mt->input_active ());
2029         }
2030 }
2031
2032 string
2033 MixerStrip::state_id () const
2034 {
2035         return string_compose ("strip %1", _route->id().to_s());
2036 }
2037
2038 void
2039 MixerStrip::parameter_changed (string p)
2040 {
2041         if (p == _visibility.get_state_name()) {
2042                 /* The user has made changes to the mixer strip visibility, so get
2043                    our VisibilityGroup to reflect these changes in our widgets.
2044                 */
2045                 _visibility.set_state (Config->get_mixer_strip_visibility ());
2046         }
2047         else if (p == "track-name-number") {
2048                 name_changed ();
2049         }
2050 }
2051
2052 /** Called to decide whether the solo isolate / solo lock button visibility should
2053  *  be overridden from that configured by the user.  We do this for the master bus.
2054  *
2055  *  @return optional value that is present if visibility state should be overridden.
2056  */
2057 boost::optional<bool>
2058 MixerStrip::override_solo_visibility () const
2059 {
2060         if (_route && _route->is_master ()) {
2061                 return boost::optional<bool> (false);
2062         }
2063         
2064         return boost::optional<bool> ();
2065 }
2066
2067 void
2068 MixerStrip::add_input_port (DataType t)
2069 {
2070         _route->input()->add_port ("", this, t);
2071 }
2072
2073 void
2074 MixerStrip::add_output_port (DataType t)
2075 {
2076         _route->output()->add_port ("", this, t);
2077 }
2078
2079 void
2080 MixerStrip::route_active_changed ()
2081 {
2082         reset_strip_style ();
2083 }
2084
2085 void
2086 MixerStrip::copy_processors ()
2087 {
2088         processor_box.processor_operation (ProcessorBox::ProcessorsCopy);
2089 }
2090
2091 void
2092 MixerStrip::cut_processors ()
2093 {
2094         processor_box.processor_operation (ProcessorBox::ProcessorsCut);
2095 }
2096
2097 void
2098 MixerStrip::paste_processors ()
2099 {
2100         processor_box.processor_operation (ProcessorBox::ProcessorsPaste);
2101 }
2102
2103 void
2104 MixerStrip::select_all_processors ()
2105 {
2106         processor_box.processor_operation (ProcessorBox::ProcessorsSelectAll);
2107 }
2108
2109 void
2110 MixerStrip::deselect_all_processors ()
2111 {
2112         processor_box.processor_operation (ProcessorBox::ProcessorsSelectNone);
2113 }
2114
2115 bool
2116 MixerStrip::delete_processors ()
2117 {
2118         return processor_box.processor_operation (ProcessorBox::ProcessorsDelete);
2119 }
2120
2121 void
2122 MixerStrip::toggle_processors ()
2123 {
2124         processor_box.processor_operation (ProcessorBox::ProcessorsToggleActive);
2125 }
2126
2127 void
2128 MixerStrip::ab_plugins ()
2129 {
2130         processor_box.processor_operation (ProcessorBox::ProcessorsAB);
2131 }
2132
2133 bool
2134 MixerStrip::level_meter_button_press (GdkEventButton* ev)
2135 {
2136         if (_current_delivery && boost::dynamic_pointer_cast<Send>(_current_delivery)) {
2137                 return false;
2138         }
2139         if (ev->button == 3) {
2140                 popup_level_meter_menu (ev);
2141                 return true;
2142         }
2143
2144         return false;
2145 }
2146
2147 void
2148 MixerStrip::popup_level_meter_menu (GdkEventButton* ev)
2149 {
2150         using namespace Gtk::Menu_Helpers;
2151
2152         Gtk::Menu* m = manage (new Menu);
2153         MenuList& items = m->items ();
2154
2155         RadioMenuItem::Group group;
2156
2157         _suspend_menu_callbacks = true;
2158         add_level_meter_item_point (items, group, _("Input"), MeterInput);
2159         add_level_meter_item_point (items, group, _("Pre Fader"), MeterPreFader);
2160         add_level_meter_item_point (items, group, _("Post Fader"), MeterPostFader);
2161         add_level_meter_item_point (items, group, _("Output"), MeterOutput);
2162         add_level_meter_item_point (items, group, _("Custom"), MeterCustom);
2163
2164         RadioMenuItem::Group tgroup;
2165         items.push_back (SeparatorElem());
2166
2167         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterPeak), MeterPeak);
2168         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterKrms),  MeterKrms);
2169         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1DIN), MeterIEC1DIN);
2170         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC1NOR), MeterIEC1NOR);
2171         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2BBC), MeterIEC2BBC);
2172         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterIEC2EBU), MeterIEC2EBU);
2173         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK20), MeterK20);
2174         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK14), MeterK14);
2175         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterK12), MeterK12);
2176         add_level_meter_item_type (items, tgroup, ArdourMeter::meter_type_string(MeterVU),  MeterVU);
2177
2178         int _strip_type;
2179         if (_route->is_master()) {
2180                 _strip_type = 4;
2181         }
2182         else if (boost::dynamic_pointer_cast<AudioTrack>(_route) == 0
2183                         && boost::dynamic_pointer_cast<MidiTrack>(_route) == 0) {
2184                 /* non-master bus */
2185                 _strip_type = 3;
2186         }
2187         else if (boost::dynamic_pointer_cast<MidiTrack>(_route)) {
2188                 _strip_type = 2;
2189         }
2190         else {
2191                 _strip_type = 1;
2192         }
2193
2194         MeterType cmt = _route->meter_type();
2195         const std::string cmn = ArdourMeter::meter_type_string(cmt);
2196
2197         items.push_back (SeparatorElem());
2198         items.push_back (MenuElem (string_compose(_("Change all in Group to %1"), cmn),
2199                                 sigc::bind (SetMeterTypeMulti, -1, _route->route_group(), cmt)));
2200         items.push_back (MenuElem (string_compose(_("Change all to %1"), cmn),
2201                                 sigc::bind (SetMeterTypeMulti, 0, _route->route_group(), cmt)));
2202         items.push_back (MenuElem (string_compose(_("Change same track-type to %1"), cmn),
2203                                 sigc::bind (SetMeterTypeMulti, _strip_type, _route->route_group(), cmt)));
2204
2205         m->popup (ev->button, ev->time);
2206         _suspend_menu_callbacks = false;
2207 }
2208
2209 void
2210 MixerStrip::add_level_meter_item_point (Menu_Helpers::MenuList& items,
2211                 RadioMenuItem::Group& group, string const & name, MeterPoint point)
2212 {
2213         using namespace Menu_Helpers;
2214         
2215         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_point), point)));
2216         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2217         i->set_active (_route->meter_point() == point);
2218 }
2219
2220 void
2221 MixerStrip::set_meter_point (MeterPoint p)
2222 {
2223         if (_suspend_menu_callbacks) return;
2224         _route->set_meter_point (p);
2225 }
2226
2227 void
2228 MixerStrip::add_level_meter_item_type (Menu_Helpers::MenuList& items,
2229                 RadioMenuItem::Group& group, string const & name, MeterType type)
2230 {
2231         using namespace Menu_Helpers;
2232         
2233         items.push_back (RadioMenuElem (group, name, sigc::bind (sigc::mem_fun (*this, &MixerStrip::set_meter_type), type)));
2234         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
2235         i->set_active (_route->meter_type() == type);
2236 }
2237
2238 void
2239 MixerStrip::set_meter_type (MeterType t)
2240 {
2241         if (_suspend_menu_callbacks) return;
2242         gpm.set_type (t);
2243 }