gtk2_ardour/mixer_strip.cc

   1 /*
   2     Copyright (C) 2000-2002 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     $Id$
  19 */
  20
  21 #include <cmath>
  22
  23 #include <sigc++/bind.h>
  24
  25 #include <pbd/convert.h>
  26
  27 #include <gtkmm2ext/gtk_ui.h>
  28 #include <gtkmm2ext/utils.h>
  29 #include <gtkmm2ext/choice.h>
  30 #include <gtkmm2ext/stop_signal.h>
  31 #include <gtkmm2ext/doi.h>
  32 #include <gtkmm2ext/slider_controller.h>
  33 #include <gtkmm2ext/bindable_button.h>
  34
  35 #include <ardour/ardour.h>
  36 #include <ardour/session.h>
  37 #include <ardour/audioengine.h>
  38 #include <ardour/route.h>
  39 #include <ardour/audio_track.h>
  40 #include <ardour/audio_diskstream.h>
  41 #include <ardour/panner.h>
  42 #include <ardour/send.h>
  43 #include <ardour/insert.h>
  44 #include <ardour/ladspa_plugin.h>
  45 #include <ardour/connection.h>
  46 #include <ardour/session_connection.h>
  47
  48 #include "ardour_ui.h"
  49 #include "ardour_dialog.h"
  50 #include "mixer_strip.h"
  51 #include "mixer_ui.h"
  52 #include "keyboard.h"
  53 #include "plugin_selector.h"
  54 #include "public_editor.h"
  55 #include "plugin_ui.h"
  56 #include "send_ui.h"
  57 #include "io_selector.h"
  58 #include "utils.h"
  59 #include "gui_thread.h"
  60
  61 #include "i18n.h"
  62
  63 using namespace sigc;
  64 using namespace ARDOUR;
  65 using namespace PBD;
  66 using namespace Gtk;
  67 using namespace Gtkmm2ext;
  68
  69 #ifdef VARISPEED_IN_MIXER_STRIP
  70 static void
  71 speed_printer (char buf[32], Gtk::Adjustment& adj, void* arg)
  72 {
  73         float val = adj.get_value ();
  74
  75         if (val == 1.0) {
  76                 strcpy (buf, "1");
  77         } else {
  78                 snprintf (buf, 32, "%.3f", val);
  79         }
  80 }
  81 #endif
  82
  83 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
  84         : AxisView(sess),
  85           RouteUI (rt, sess, _("Mute"), _("Solo"), _("Record")),
  86           _mixer(mx),
  87           pre_redirect_box (PreFader, sess, rt, mx.plugin_selector(), mx.selection(), in_mixer),
  88           post_redirect_box (PostFader, sess, rt, mx.plugin_selector(), mx.selection(), in_mixer),
  89           gpm (_route, sess),
  90           panners (_route, sess),
  91           button_table (3, 2),
  92           middle_button_table (1, 2),
  93           bottom_button_table (1, 2),
  94           meter_point_label (_("pre")),
  95           comment_button (_("Comments")),
  96           speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1),
  97           speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
  98
  99 {
 100         if (set_color_from_route()) {
 101                 set_color (unique_random_color());
 102         }
 103
 104         input_selector = 0;
 105         output_selector = 0;
 106         group_menu = 0;
 107         _marked_for_display = false;
 108         route_ops_menu = 0;
 109         ignore_comment_edit = false;
 110         ignore_toggle = false;
 111         ignore_speed_adjustment = false;
 112         comment_window = 0;
 113         comment_area = 0;
 114
 115         width_button.add (*(manage (new Gtk::Image (get_xpm("lr.xpm")))));
 116         hide_button.add (*(manage (new Gtk::Image (get_xpm("small_x.xpm")))));
 117
 118         input_label.set_text (_("Input"));
 119         input_button.add (input_label);
 120         input_button.set_name ("MixerIOButton");
 121         input_label.set_name ("MixerIOButtonLabel");
 122
 123         output_label.set_text (_("Output"));
 124         output_button.add (output_label);
 125         output_button.set_name ("MixerIOButton");
 126         output_label.set_name ("MixerIOButtonLabel");
 127
 128         _route->meter_change.connect (mem_fun(*this, &MixerStrip::meter_changed));
 129                 meter_point_button.add (meter_point_label);
 130                 meter_point_button.set_name ("MixerStripMeterPreButton");
 131                 meter_point_label.set_name ("MixerStripMeterPreButton");
 132
 133                 switch (_route->meter_point()) {
 134                 case MeterInput:
 135                         meter_point_label.set_text (_("input"));
 136                         break;
 137
 138                 case MeterPreFader:
 139                         meter_point_label.set_text (_("pre"));
 140                         break;
 141
 142                 case MeterPostFader:
 143                         meter_point_label.set_text (_("post"));
 144                         break;
 145                 }
 146
 147                 /* TRANSLATORS: this string should be longest of the strings
 148                    used to describe meter points. In english, its "input".
 149                 */
 150
 151                 set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 152
 153
 154                 bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
 155
 156
 157         meter_point_button.signal_button_press_event().connect (mem_fun (gpm, &GainMeter::meter_press), false);
 158         /* XXX what is this meant to do? */
 159         //meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 160
 161         solo_button->set_name ("MixerSoloButton");
 162         mute_button->set_name ("MixerMuteButton");
 163
 164         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 165
 166         width_button.unset_flags (Gtk::CAN_FOCUS);
 167         hide_button.unset_flags (Gtk::CAN_FOCUS);
 168         input_button.unset_flags (Gtk::CAN_FOCUS);
 169         output_button.unset_flags (Gtk::CAN_FOCUS);
 170         solo_button->unset_flags (Gtk::CAN_FOCUS);
 171         mute_button->unset_flags (Gtk::CAN_FOCUS);
 172
 173         button_table.set_homogeneous (true);
 174         button_table.set_spacings (0);
 175
 176         button_table.attach (name_button, 0, 2, 0, 1);
 177         button_table.attach (input_button, 0, 2, 1, 2);
 178
 179         middle_button_table.set_homogeneous (true);
 180         middle_button_table.set_spacings (0);
 181         middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 182         middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 183
 184         bottom_button_table.set_col_spacings (0);
 185         bottom_button_table.set_homogeneous (true);
 186         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 187
 188         if (is_audio_track()) {
 189
 190                 rec_enable_button->set_name ("MixerRecordEnableButton");
 191                 rec_enable_button->unset_flags (Gtk::CAN_FOCUS);
 192                 rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 193
 194                 AudioTrack* at = audio_track();
 195
 196                 at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen));
 197
 198 #ifdef VARISPEED_IN_MIXER_STRIP
 199                 speed_adjustment.signal_value_changed().connect (mem_fun(*this, &MixerStrip::speed_adjustment_changed));
 200
 201                 speed_frame.set_name ("BaseFrame");
 202                 speed_frame.set_shadow_type (Gtk::SHADOW_IN);
 203                 speed_frame.add (speed_spinner);
 204
 205                 speed_spinner.set_print_func (speed_printer, 0);
 206
 207                 ARDOUR_UI::instance()->tooltips().set_tip (speed_spinner, _("Varispeed"));
 208
 209                 button_table.attach (speed_frame, 0, 2, 5, 6);
 210 #endif /* VARISPEED_IN_MIXER_STRIP */
 211
 212                 button_table.attach (*rec_enable_button, 0, 2, 2, 3);
 213         }
 214
 215         name_button.add (name_label);
 216         name_button.set_name ("MixerNameButton");
 217         Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 218
 219         name_label.set_name ("MixerNameButtonLabel");
 220         if (_route->phase_invert()) {
 221                 name_label.set_text (X_("Ø ") + name_label.get_text());
 222         } else {
 223                 name_label.set_text (_route->name());
 224         }
 225
 226         group_button.add (group_label);
 227         group_button.set_name ("MixerGroupButton");
 228         group_label.set_name ("MixerGroupButtonLabel");
 229
 230         comment_button.set_name ("MixerCommentButton");
 231
 232         ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment()==""        ?
 233                                                         _("Click to Add/Edit Comments"):
 234                                                         _route->comment());
 235
 236         comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
 237
 238         global_vpacker.set_border_width (0);
 239         global_vpacker.set_spacing (0);
 240
 241         Gtk::VBox *whvbox = manage (new Gtk::VBox);
 242
 243         width_button.set_name ("MixerWidthButton");
 244         hide_button.set_name ("MixerHideButton");
 245
 246         width_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::width_clicked));
 247         hide_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::hide_clicked));
 248
 249         width_hide_box.pack_start (width_button, false, true);
 250         width_hide_box.pack_end (hide_button, false, true);
 251         Gtk::Alignment *gain_meter_alignment = Gtk::manage(new Gtk::Alignment());
 252         gain_meter_alignment->set_padding(0, 4, 0, 0);
 253         gain_meter_alignment->add(gpm);
 254
 255         whvbox->pack_start (width_hide_box, true, true);
 256
 257         global_vpacker.pack_start (*whvbox, Gtk::PACK_SHRINK);
 258         global_vpacker.pack_start (button_table,Gtk::PACK_SHRINK);
 259         global_vpacker.pack_start (pre_redirect_box, true, true);
 260         global_vpacker.pack_start (middle_button_table,Gtk::PACK_SHRINK);
 261         global_vpacker.pack_start (*gain_meter_alignment,Gtk::PACK_SHRINK);
 262         global_vpacker.pack_start (bottom_button_table,Gtk::PACK_SHRINK);
 263         global_vpacker.pack_start (post_redirect_box, true, true);
 264         global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 265         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 266         global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 267
 268         global_frame.add (global_vpacker);
 269         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 270         global_frame.set_name ("BaseFrame");
 271
 272         add (global_frame);
 273
 274         /* force setting of visible selected status */
 275
 276         _selected = true;
 277         set_selected (false);
 278
 279         _packed = false;
 280         _embedded = false;
 281
 282         _session.engine().Stopped.connect (mem_fun(*this, &MixerStrip::engine_stopped));
 283         _session.engine().Running.connect (mem_fun(*this, &MixerStrip::engine_running));
 284         _route->input_changed.connect (mem_fun(*this, &MixerStrip::input_changed));
 285         _route->output_changed.connect (mem_fun(*this, &MixerStrip::output_changed));
 286         _route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 287         _route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 288         _route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 289         _route->mix_group_changed.connect (mem_fun(*this, &MixerStrip::mix_group_changed));
 290         _route->panner().Changed.connect (mem_fun(*this, &MixerStrip::connect_to_pan));
 291
 292         if (is_audio_track()) {
 293                 audio_track()->DiskstreamChanged.connect (mem_fun(*this, &MixerStrip::diskstream_changed));
 294                 get_diskstream()->SpeedChanged.connect (mem_fun(*this, &MixerStrip::speed_changed));
 295         }
 296
 297         _route->name_changed.connect (mem_fun(*this, &RouteUI::name_changed));
 298         _route->comment_changed.connect (mem_fun(*this, &MixerStrip::comment_changed));
 299         _route->gui_changed.connect (mem_fun(*this, &MixerStrip::route_gui_changed));
 300
 301         input_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::input_press), false);
 302         output_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::output_press), false);
 303
 304         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 305         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 306         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 307         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 308
 309         name_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::name_button_button_press), false);
 310         group_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::select_mix_group), false);
 311
 312         _width = (Width) -1;
 313         set_stuff_from_route ();
 314
 315         /* start off as a passthru strip. we'll correct this, if necessary,
 316            in update_diskstream_display().
 317         */
 318
 319         set_name ("AudioTrackStripBase");
 320
 321         /* now force an update of all the various elements */
 322
 323         pre_redirect_box.update();
 324         post_redirect_box.update();
 325         mute_changed (0);
 326         solo_changed (0);
 327         name_changed (0);
 328         comment_changed (0);
 329         mix_group_changed (0);
 330
 331         connect_to_pan ();
 332
 333         panners.setup_pan ();
 334
 335         if (is_audio_track()) {
 336                 speed_changed ();
 337         }
 338
 339         update_diskstream_display ();
 340         update_input_display ();
 341         update_output_display ();
 342
 343         add_events (Gdk::BUTTON_RELEASE_MASK);
 344 }
 345
 346 MixerStrip::~MixerStrip ()
 347 {
 348         GoingAway(); /* EMIT_SIGNAL */
 349
 350         if (input_selector) {
 351                 delete input_selector;
 352         }
 353
 354         if (output_selector) {
 355                 delete output_selector;
 356         }
 357 }
 358
 359 void
 360 MixerStrip::set_stuff_from_route ()
 361 {
 362         XMLProperty *prop;
 363
 364         ensure_xml_node ();
 365
 366         if ((prop = xml_node->property ("strip_width")) != 0) {
 367                 if (prop->value() == "wide") {
 368                         set_width (Wide);
 369                 } else if (prop->value() == "narrow") {
 370                         set_width (Narrow);
 371                 }
 372                 else {
 373                         error << string_compose(_("unknown strip width \"%1\" in XML GUI information"), prop->value()) << endmsg;
 374                         set_width (Wide);
 375                 }
 376         }
 377         else {
 378                 set_width (Wide);
 379         }
 380
 381         if ((prop = xml_node->property ("shown_mixer")) != 0) {
 382                 if (prop->value() == "no") {
 383                         _marked_for_display = false;
 384                 } else {
 385                         _marked_for_display = true;
 386                 }
 387         }
 388         else {
 389                 /* backwards compatibility */
 390                 _marked_for_display = true;
 391         }
 392 }
 393
 394 void
 395 MixerStrip::set_width (Width w)
 396 {
 397         /* always set the gpm width again, things may be hidden */
 398         gpm.set_width (w);
 399         panners.set_width (w);
 400         pre_redirect_box.set_width (w);
 401         post_redirect_box.set_width (w);
 402
 403         if (_width == w) {
 404                 return;
 405         }
 406
 407         ensure_xml_node ();
 408
 409         _width = w;
 410
 411         switch (w) {
 412         case Wide:
 413                 set_size_request (-1, -1);
 414                 xml_node->add_property ("strip_width", "wide");
 415
 416                 if (rec_enable_button) {
 417                         rec_enable_button->set_label (_("record"));
 418                 }
 419                 mute_button->set_label  (_("mute"));
 420                 solo_button->set_label (_("solo"));
 421
 422                 if (_route->comment() == "") {
 423                        comment_button.set_label (_("comments"));
 424                 } else {
 425                        comment_button.set_label (_("*comments*"));
 426                 }
 427
 428                 gpm.gain_automation_style_button.set_label (gpm.astyle_string(_route->gain_automation_curve().automation_style()));
 429                 gpm.gain_automation_state_button.set_label (gpm.astate_string(_route->gain_automation_curve().automation_state()));
 430                 panners.pan_automation_style_button.set_label (panners.astyle_string(_route->panner().automation_style()));
 431                 panners.pan_automation_state_button.set_label (panners.astate_string(_route->panner().automation_state()));
 432                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 433                 break;
 434
 435         case Narrow:
 436                 set_size_request (50, -1);
 437                 xml_node->add_property ("strip_width", "narrow");
 438
 439                 if (rec_enable_button) {
 440                         rec_enable_button->set_label (_("Rec"));
 441                 }
 442                 mute_button->set_label (_("M"));
 443                 solo_button->set_label (_("S"));
 444
 445                 if (_route->comment() == "") {
 446                        comment_button.set_label (_("Cmt"));
 447                 } else {
 448                        comment_button.set_label (_("*Cmt*"));
 449                 }
 450
 451                 gpm.gain_automation_style_button.set_label (gpm.short_astyle_string(_route->gain_automation_curve().automation_style()));
 452                 gpm.gain_automation_state_button.set_label (gpm.short_astate_string(_route->gain_automation_curve().automation_state()));
 453                 panners.pan_automation_style_button.set_label (panners.short_astyle_string(_route->panner().automation_style()));
 454                 panners.pan_automation_state_button.set_label (panners.short_astate_string(_route->panner().automation_state()));
 455                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 456                 break;
 457         }
 458
 459         update_input_display ();
 460         update_output_display ();
 461         mix_group_changed (0);
 462         name_changed (0);
 463
 464 }
 465
 466 void
 467 MixerStrip::set_packed (bool yn)
 468 {
 469         _packed = yn;
 470
 471         ensure_xml_node ();
 472
 473         if (_packed) {
 474                 xml_node->add_property ("shown_mixer", "yes");
 475         } else {
 476                 xml_node->add_property ("shown_mixer", "no");
 477         }
 478 }
 479
 480
 481 gint
 482 MixerStrip::output_press (GdkEventButton *ev)
 483 {
 484         using namespace Menu_Helpers;
 485         if (!_session.engine().connected()) {
 486                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 487                 msg.run ();
 488                 return true;
 489         }
 490
 491         MenuList& citems = output_menu.items();
 492         switch (ev->button) {
 493
 494         case 1:
 495                 output_menu.set_name ("ArdourContextMenu");
 496                 citems.clear();
 497
 498                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_output_configuration)));
 499                 citems.push_back (SeparatorElem());
 500                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 501                 citems.push_back (SeparatorElem());
 502
 503                 _session.foreach_connection (this, &MixerStrip::add_connection_to_output_menu);
 504
 505                 output_menu.popup (1, ev->time);
 506                 break;
 507
 508         default:
 509                 break;
 510         }
 511         return TRUE;
 512 }
 513
 514 void
 515 MixerStrip::edit_output_configuration ()
 516 {
 517         if (output_selector == 0) {
 518                 output_selector = new IOSelectorWindow (_session, _route, false);
 519         }
 520
 521         if (output_selector->is_visible()) {
 522                 output_selector->get_toplevel()->get_window()->raise();
 523         } else {
 524                 output_selector->show_all ();
 525         }
 526 }
 527
 528 void
 529 MixerStrip::edit_input_configuration ()
 530 {
 531         if (input_selector == 0) {
 532                 input_selector = new IOSelectorWindow (_session, _route, true);
 533         }
 534
 535         if (input_selector->is_visible()) {
 536                 input_selector->get_toplevel()->get_window()->raise();
 537         } else {
 538                 input_selector->show_all ();
 539         }
 540 }
 541
 542 gint
 543 MixerStrip::input_press (GdkEventButton *ev)
 544 {
 545         using namespace Menu_Helpers;
 546
 547         MenuList& citems = input_menu.items();
 548         input_menu.set_name ("ArdourContextMenu");
 549         citems.clear();
 550
 551         if (!_session.engine().connected()) {
 552                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 553                 msg.run ();
 554                 return true;
 555         }
 556
 557         switch (ev->button) {
 558
 559         case 1:
 560
 561                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_input_configuration)));
 562                 citems.push_back (SeparatorElem());
 563                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 564                 citems.push_back (SeparatorElem());
 565
 566                 _session.foreach_connection (this, &MixerStrip::add_connection_to_input_menu);
 567                 input_menu.popup (1, ev->time);
 568                 break;
 569
 570         default:
 571                 break;
 572         }
 573         return TRUE;
 574 }
 575
 576 void
 577 MixerStrip::connection_input_chosen (ARDOUR::Connection *c)
 578 {
 579         if (!ignore_toggle) {
 580
 581                 try {
 582                         _route->use_input_connection (*c, this);
 583                 }
 584
 585                 catch (AudioEngine::PortRegistrationFailure& err) {
 586                         error << _("could not register new ports required for that connection")
 587                               << endmsg;
 588                 }
 589         }
 590 }
 591
 592 void
 593 MixerStrip::connection_output_chosen (ARDOUR::Connection *c)
 594 {
 595         if (!ignore_toggle) {
 596
 597                 try {
 598                         _route->use_output_connection (*c, this);
 599                 }
 600
 601                 catch (AudioEngine::PortRegistrationFailure& err) {
 602                         error << _("could not register new ports required for that connection")
 603                               << endmsg;
 604                 }
 605         }
 606 }
 607
 608 void
 609 MixerStrip::add_connection_to_input_menu (ARDOUR::Connection* c)
 610 {
 611         using namespace Menu_Helpers;
 612
 613         if (dynamic_cast<InputConnection *> (c) == 0) {
 614                 return;
 615         }
 616
 617         MenuList& citems = input_menu.items();
 618
 619         if (c->nports() == _route->n_inputs()) {
 620
 621                 citems.push_back (CheckMenuElem (c->name(), bind (mem_fun(*this, &MixerStrip::connection_input_chosen), c)));
 622
 623                 ARDOUR::Connection *current = _route->input_connection();
 624
 625                 if (current == c) {
 626                         ignore_toggle = true;
 627                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 628                         ignore_toggle = false;
 629                 }
 630         }
 631 }
 632
 633 void
 634 MixerStrip::add_connection_to_output_menu (ARDOUR::Connection* c)
 635 {
 636         using namespace Menu_Helpers;
 637
 638         if (dynamic_cast<OutputConnection *> (c) == 0) {
 639                 return;
 640         }
 641
 642         if (c->nports() == _route->n_outputs()) {
 643
 644                 MenuList& citems = output_menu.items();
 645                 citems.push_back (CheckMenuElem (c->name(), bind (mem_fun(*this, &MixerStrip::connection_output_chosen), c)));
 646
 647                 ARDOUR::Connection *current = _route->output_connection();
 648
 649                 if (current == c) {
 650                         ignore_toggle = true;
 651                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 652                         ignore_toggle = false;
 653                 }
 654         }
 655 }
 656
 657 void
 658 MixerStrip::update_diskstream_display ()
 659 {
 660         if (is_audio_track()) {
 661
 662                 map_frozen ();
 663
 664                 update_input_display ();
 665
 666                 if (input_selector) {
 667                         input_selector->hide_all ();
 668                 }
 669
 670                 show_route_color ();
 671
 672         } else {
 673
 674                 map_frozen ();
 675
 676                 update_input_display ();
 677                 show_passthru_color ();
 678         }
 679 }
 680
 681 void
 682 MixerStrip::connect_to_pan ()
 683 {
 684         ENSURE_GUI_THREAD(mem_fun(*this, &MixerStrip::connect_to_pan));
 685
 686         panstate_connection.disconnect ();
 687         panstyle_connection.disconnect ();
 688
 689         if (!_route->panner().empty()) {
 690                 StreamPanner* sp = _route->panner().front();
 691
 692                 panstate_connection = sp->automation().automation_state_changed.connect (mem_fun(panners, &PannerUI::pan_automation_state_changed));
 693                 panstyle_connection = sp->automation().automation_style_changed.connect (mem_fun(panners, &PannerUI::pan_automation_style_changed));
 694         }
 695
 696         panners.pan_changed (this);
 697 }
 698
 699 void
 700 MixerStrip::update_input_display ()
 701 {
 702         ARDOUR::Connection *c;
 703
 704         if ((c = _route->input_connection()) != 0) {
 705                 input_label.set_text (c->name());
 706         } else {
 707                 switch (_width) {
 708                 case Wide:
 709                         input_label.set_text (_(" Input"));
 710                         break;
 711                 case Narrow:
 712                         input_label.set_text (_("I"));
 713                         break;
 714                 }
 715         }
 716         panners.setup_pan ();
 717 }
 718
 719 void
 720 MixerStrip::update_output_display ()
 721 {
 722         ARDOUR::Connection *c;
 723
 724         if ((c = _route->output_connection()) != 0) {
 725                 output_label.set_text (c->name());
 726         } else {
 727                 switch (_width) {
 728                 case Wide:
 729                         output_label.set_text (_("Output"));
 730                         break;
 731                 case Narrow:
 732                         output_label.set_text (_("O"));
 733                         break;
 734                 }
 735         }
 736         gpm.setup_meters ();
 737         panners.setup_pan ();
 738 }
 739
 740 void
 741 MixerStrip::fast_update ()
 742 {
 743         gpm.update_meters ();
 744 }
 745
 746 void
 747 MixerStrip::diskstream_changed ()
 748 {
 749         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
 750 }
 751
 752 void
 753 MixerStrip::input_changed (IOChange change, void *src)
 754 {
 755         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 756 }
 757
 758 void
 759 MixerStrip::output_changed (IOChange change, void *src)
 760 {
 761         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 762 }
 763
 764 void
 765 MixerStrip::comment_button_clicked ()
 766 {
 767         if (comment_window == 0) {
 768                 setup_comment_editor ();
 769         }
 770
 771         int x, y, cw_width, cw_height;
 772
 773         if (comment_window->is_visible()) {
 774                string str =  comment_area->get_buffer()->get_text();
 775                if (_route->comment() != str) {
 776                  _route->set_comment (str, this);
 777
 778                  switch (_width) {
 779
 780                  case Wide:
 781                    if (! str.empty()) {
 782                      comment_button.set_label (_("*Comments*"));
 783                    } else {
 784                      comment_button.set_label (_("Comments"));
 785                       }
 786                    break;
 787
 788                  case Narrow:
 789                    if (! str.empty()) {
 790                      comment_button.set_label (_("*Cmt*"));
 791                    } else {
 792                      comment_button.set_label (_("Cmt"));
 793                    }
 794                    break;
 795                  }
 796
 797                  ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
 798                                                             str.empty() ? _("Click to Add/Edit Comments") : str);
 799                }
 800                comment_window->hide ();
 801                return;
 802         }
 803         comment_window->get_size (cw_width, cw_height);
 804         comment_window->get_position(x, y);
 805         comment_window->move(x, y - (cw_height / 2) - 45);
 806         /*
 807            half the dialog height minus the comments button height
 808            with some window decoration fudge thrown in.
 809         */
 810
 811         comment_window->show();
 812         comment_window->present();
 813
 814 }
 815
 816 void
 817 MixerStrip::setup_comment_editor ()
 818 {
 819         string title;
 820         title = _route->name();
 821         title += _(": comment editor");
 822
 823         comment_window = new ArdourDialog (title, false);
 824         comment_window->set_position (Gtk::WIN_POS_MOUSE);
 825         comment_window->set_skip_taskbar_hint (true);
 826
 827         comment_area = manage (new TextView());
 828         comment_area->set_name ("MixerTrackCommentArea");
 829         comment_area->set_size_request (110, 178);
 830         comment_area->set_wrap_mode (WRAP_WORD);
 831         comment_area->set_editable (true);
 832         comment_area->get_buffer()->set_text (_route->comment());
 833         comment_area->show ();
 834
 835         comment_window->get_vbox()->pack_start (*comment_area);
 836         comment_window->get_action_area()->hide();
 837 }
 838
 839 void
 840 MixerStrip::comment_changed (void *src)
 841 {
 842         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
 843
 844         if (src != this) {
 845                 ignore_comment_edit = true;
 846                 if (comment_area) {
 847                         comment_area->get_buffer()->set_text (_route->comment());
 848                 }
 849                 ignore_comment_edit = false;
 850         }
 851 }
 852
 853 void
 854 MixerStrip::set_mix_group (RouteGroup *rg)
 855 {
 856         _route->set_mix_group (rg, this);
 857 }
 858
 859 void
 860 MixerStrip::add_mix_group_to_menu (RouteGroup *rg, RadioMenuItem::Group* group)
 861 {
 862         using namespace Menu_Helpers;
 863
 864         MenuList& items = group_menu->items();
 865
 866         items.push_back (RadioMenuElem (*group, rg->name(), bind (mem_fun(*this, &MixerStrip::set_mix_group), rg)));
 867
 868         if (_route->mix_group() == rg) {
 869                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 870         }
 871 }
 872
 873 bool
 874 MixerStrip::select_mix_group (GdkEventButton *ev)
 875 {
 876         using namespace Menu_Helpers;
 877
 878         if (group_menu == 0) {
 879                 group_menu = new Menu;
 880         }
 881         group_menu->set_name ("ArdourContextMenu");
 882         MenuList& items = group_menu->items();
 883         RadioMenuItem::Group group;
 884
 885         switch (ev->button) {
 886         case 1:
 887
 888                 items.clear ();
 889                 items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
 890
 891                 _session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
 892
 893                 group_menu->popup (1, ev->time);
 894                 break;
 895
 896         default:
 897                 break;
 898         }
 899
 900         return true;
 901 }
 902
 903 void
 904 MixerStrip::mix_group_changed (void *ignored)
 905 {
 906         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::mix_group_changed), ignored));
 907
 908         RouteGroup *rg = _route->mix_group();
 909
 910         if (rg) {
 911                 group_label.set_text (rg->name());
 912         } else {
 913                 switch (_width) {
 914                 case Wide:
 915                         group_label.set_text (_("Grp"));
 916                         break;
 917                 case Narrow:
 918                         group_label.set_text (_("~G"));
 919                         break;
 920                 }
 921         }
 922 }
 923
 924
 925 void
 926 MixerStrip::route_gui_changed (string what_changed, void* ignored)
 927 {
 928         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
 929
 930         if (what_changed == "color") {
 931                 if (set_color_from_route () == 0) {
 932                         show_route_color ();
 933                 }
 934         }
 935 }
 936
 937 void
 938 MixerStrip::show_route_color ()
 939 {
 940         name_button.modify_bg (STATE_NORMAL, color());
 941         route_active_changed ();
 942 }
 943
 944 void
 945 MixerStrip::show_passthru_color ()
 946 {
 947         route_active_changed ();
 948 }
 949
 950 void
 951 MixerStrip::build_route_ops_menu ()
 952 {
 953         using namespace Menu_Helpers;
 954
 955         route_ops_menu = manage (new Menu);
 956         route_ops_menu->set_name ("ArdourContextMenu");
 957
 958         MenuList& items = route_ops_menu->items();
 959
 960         items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteUI::route_rename)));
 961         items.push_back (SeparatorElem());
 962         items.push_back (CheckMenuElem (_("Active"), mem_fun (*this, &RouteUI::toggle_route_active)));
 963         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 964         route_active_menu_item->set_active (_route->active());
 965         items.push_back (SeparatorElem());
 966         items.push_back (CheckMenuElem (_("Invert Polarity"), mem_fun (*this, &RouteUI::toggle_polarity)));
 967         polarity_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 968         polarity_menu_item->set_active (_route->phase_invert());
 969
 970         build_remote_control_menu ();
 971
 972         items.push_back (SeparatorElem());
 973         items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
 974
 975         items.push_back (SeparatorElem());
 976         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 977 }
 978
 979 gint
 980 MixerStrip::name_button_button_press (GdkEventButton* ev)
 981 {
 982         if (ev->button == 1) {
 983                 list_route_operations ();
 984                 route_ops_menu->popup (1, ev->time);
 985         }
 986         return FALSE;
 987 }
 988
 989 void
 990 MixerStrip::list_route_operations ()
 991 {
 992         if (route_ops_menu == 0) {
 993                 build_route_ops_menu ();
 994         }
 995
 996         refresh_remote_control_menu();
 997 }
 998
 999
1000 void
1001 MixerStrip::speed_adjustment_changed ()
1002 {
1003         /* since there is a usable speed adjustment, there has to be a diskstream */
1004         if (!ignore_speed_adjustment) {
1005                 get_diskstream()->set_speed (speed_adjustment.get_value());
1006         }
1007 }
1008
1009 void
1010 MixerStrip::speed_changed ()
1011 {
1012         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_speed_display));
1013 }
1014
1015 void
1016 MixerStrip::update_speed_display ()
1017 {
1018         float val;
1019
1020         val = get_diskstream()->speed();
1021
1022         if (val != 1.0) {
1023                 speed_spinner.set_name ("MixerStripSpeedBaseNotOne");
1024         } else {
1025                 speed_spinner.set_name ("MixerStripSpeedBase");
1026         }
1027
1028         if (speed_adjustment.get_value() != val) {
1029                 ignore_speed_adjustment = true;
1030                 speed_adjustment.set_value (val);
1031                 ignore_speed_adjustment = false;
1032         }
1033 }
1034
1035
1036 void
1037 MixerStrip::set_selected (bool yn)
1038 {
1039         AxisView::set_selected (yn);
1040         if (_selected) {
1041                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1042                 global_frame.set_name ("MixerStripSelectedFrame");
1043         } else {
1044                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1045                 global_frame.set_name ("MixerStripFrame");
1046         }
1047         global_frame.queue_draw ();
1048 }
1049
1050 void
1051 MixerStrip::name_changed (void *src)
1052 {
1053         switch (_width) {
1054         case Wide:
1055                 RouteUI::name_changed (src);
1056                 break;
1057         case Narrow:
1058                 name_label.set_text (PBD::short_version (_route->name(), 5));
1059                 break;
1060         }
1061         if (_route->phase_invert()) {
1062                 name_label.set_text (X_("Ø ") + name_label.get_text());
1063         }
1064 }
1065
1066 void
1067 MixerStrip::width_clicked ()
1068 {
1069         switch (_width) {
1070         case Wide:
1071                 set_width (Narrow);
1072                 break;
1073         case Narrow:
1074                 set_width (Wide);
1075                 break;
1076         }
1077 }
1078
1079 void
1080 MixerStrip::hide_clicked ()
1081 {
1082         if (_embedded) {
1083                  Hiding(); /* EMIT_SIGNAL */
1084         } else {
1085                 _mixer.hide_strip (this);
1086         }
1087 }
1088
1089 void
1090 MixerStrip::set_embedded (bool yn)
1091 {
1092         _embedded = yn;
1093 }
1094
1095 void
1096 MixerStrip::map_frozen ()
1097 {
1098         ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::map_frozen));
1099
1100         AudioTrack* at = audio_track();
1101
1102         if (at) {
1103                 switch (at->freeze_state()) {
1104                 case AudioTrack::Frozen:
1105                         pre_redirect_box.set_sensitive (false);
1106                         post_redirect_box.set_sensitive (false);
1107                         speed_spinner.set_sensitive (false);
1108                         break;
1109                 default:
1110                         pre_redirect_box.set_sensitive (true);
1111                         post_redirect_box.set_sensitive (true);
1112                         speed_spinner.set_sensitive (true);
1113                         break;
1114                 }
1115         }
1116         _route->foreach_redirect (this, &MixerStrip::hide_redirect_editor);
1117 }
1118
1119 void
1120 MixerStrip::hide_redirect_editor (boost::shared_ptr<Redirect> redirect)
1121 {
1122         void* gui = redirect->get_gui ();
1123
1124         if (gui) {
1125                 static_cast<Gtk::Widget*>(gui)->hide ();
1126         }
1127 }
1128
1129 void
1130 MixerStrip::route_active_changed ()
1131 {
1132         RouteUI::route_active_changed ();
1133
1134         if (is_audio_track()) {
1135                 if (_route->active()) {
1136                         set_name ("AudioTrackStripBase");
1137                         gpm.set_meter_strip_name ("AudioTrackStripBase");
1138                 } else {
1139                         set_name ("AudioTrackStripBaseInactive");
1140                         gpm.set_meter_strip_name ("AudioTrackStripBaseInactive");
1141                 }
1142                 gpm.set_fader_name ("AudioTrackFader");
1143         } else { // FIXME: assumed audio bus
1144                 if (_route->active()) {
1145                         set_name ("AudioBusStripBase");
1146                         gpm.set_meter_strip_name ("AudioBusStripBase");
1147                 } else {
1148                         set_name ("AudioBusStripBaseInactive");
1149                         gpm.set_meter_strip_name ("AudioBusStripBaseInactive");
1150                 }
1151                 gpm.set_fader_name ("AudioBusFader");
1152         }
1153 }
1154
1155 RouteGroup*
1156 MixerStrip::mix_group() const
1157 {
1158         return _route->mix_group();
1159 }
1160
1161 void
1162 MixerStrip::engine_stopped ()
1163 {
1164         input_button.set_sensitive (false);
1165         if (rec_enable_button) {
1166                 rec_enable_button->set_sensitive (false);
1167         }
1168         output_button.set_sensitive (false);
1169 }
1170
1171 void
1172 MixerStrip::engine_running ()
1173 {
1174         input_button.set_sensitive (true);
1175         if (rec_enable_button) {
1176                 rec_enable_button->set_sensitive (true);
1177         }
1178         output_button.set_sensitive (true);
1179 }
1180
1181 void
1182 MixerStrip::meter_changed (void *src)
1183 {
1184
1185         ENSURE_GUI_THREAD (bind (mem_fun(*this, &MixerStrip::meter_changed), src));
1186
1187                 switch (_route->meter_point()) {
1188                 case MeterInput:
1189                         meter_point_label.set_text (_("input"));
1190                         break;
1191
1192                 case MeterPreFader:
1193                         meter_point_label.set_text (_("pre"));
1194                         break;
1195
1196                 case MeterPostFader:
1197                         meter_point_label.set_text (_("post"));
1198                         break;
1199                 }
1200
1201                 gpm.setup_meters ();
1202 }
1203