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
  21 #include <sigc++/bind.h>
  22
  23 #include <pbd/convert.h>
  24
  25 #include <gtkmm2ext/gtk_ui.h>
  26 #include <gtkmm2ext/utils.h>
  27 #include <gtkmm2ext/choice.h>
  28 #include <gtkmm2ext/stop_signal.h>
  29 #include <gtkmm2ext/doi.h>
  30 #include <gtkmm2ext/slider_controller.h>
  31 #include <gtkmm2ext/bindable_button.h>
  32
  33 #include <ardour/ardour.h>
  34 #include <ardour/session.h>
  35 #include <ardour/audioengine.h>
  36 #include <ardour/route.h>
  37 #include <ardour/audio_track.h>
  38 #include <ardour/audio_diskstream.h>
  39 #include <ardour/panner.h>
  40 #include <ardour/send.h>
  41 #include <ardour/insert.h>
  42 #include <ardour/ladspa_plugin.h>
  43 #include <ardour/connection.h>
  44 #include <ardour/session_connection.h>
  45
  46 #include "ardour_ui.h"
  47 #include "ardour_dialog.h"
  48 #include "mixer_strip.h"
  49 #include "mixer_ui.h"
  50 #include "keyboard.h"
  51 #include "plugin_selector.h"
  52 #include "public_editor.h"
  53 #include "plugin_ui.h"
  54 #include "send_ui.h"
  55 #include "io_selector.h"
  56 #include "utils.h"
  57 #include "gui_thread.h"
  58
  59 #include "i18n.h"
  60
  61 using namespace sigc;
  62 using namespace ARDOUR;
  63 using namespace PBD;
  64 using namespace Gtk;
  65 using namespace Gtkmm2ext;
  66
  67 #ifdef VARISPEED_IN_MIXER_STRIP
  68 static void
  69 speed_printer (char buf[32], Gtk::Adjustment& adj, void* arg)
  70 {
  71         float val = adj.get_value ();
  72
  73         if (val == 1.0) {
  74                 strcpy (buf, "1");
  75         } else {
  76                 snprintf (buf, 32, "%.3f", val);
  77         }
  78 }
  79 #endif
  80
  81 MixerStrip::MixerStrip (Mixer_UI& mx, Session& sess, boost::shared_ptr<Route> rt, bool in_mixer)
  82         : AxisView(sess),
  83           RouteUI (rt, sess, _("Mute"), _("Solo"), _("Record")),
  84           _mixer(mx),
  85           pre_redirect_box (PreFader, sess, rt, mx.plugin_selector(), mx.selection(), in_mixer),
  86           post_redirect_box (PostFader, sess, rt, mx.plugin_selector(), mx.selection(), in_mixer),
  87           gpm (_route, sess),
  88           panners (_route, sess),
  89           button_table (3, 2),
  90           middle_button_table (1, 2),
  91           bottom_button_table (1, 2),
  92           meter_point_label (_("pre")),
  93           comment_button (_("Comments")),
  94           speed_adjustment (1.0, 0.001, 4.0, 0.001, 0.1),
  95           speed_spinner (&speed_adjustment, "MixerStripSpeedBase", true)
  96
  97 {
  98         if (set_color_from_route()) {
  99                 set_color (unique_random_color());
 100         }
 101
 102         input_selector = 0;
 103         output_selector = 0;
 104         group_menu = 0;
 105         _marked_for_display = false;
 106         route_ops_menu = 0;
 107         ignore_comment_edit = false;
 108         ignore_toggle = false;
 109         ignore_speed_adjustment = false;
 110         comment_window = 0;
 111         comment_area = 0;
 112
 113         width_button.add (*(manage (new Gtk::Image (get_xpm("lr.xpm")))));
 114         hide_button.add (*(manage (new Gtk::Image (get_xpm("small_x.xpm")))));
 115
 116         input_label.set_text (_("Input"));
 117         input_button.add (input_label);
 118         input_button.set_name ("MixerIOButton");
 119         input_label.set_name ("MixerIOButtonLabel");
 120
 121         output_label.set_text (_("Output"));
 122         output_button.add (output_label);
 123         output_button.set_name ("MixerIOButton");
 124         output_label.set_name ("MixerIOButtonLabel");
 125
 126         _route->meter_change.connect (mem_fun(*this, &MixerStrip::meter_changed));
 127                 meter_point_button.add (meter_point_label);
 128                 meter_point_button.set_name ("MixerStripMeterPreButton");
 129                 meter_point_label.set_name ("MixerStripMeterPreButton");
 130
 131                 switch (_route->meter_point()) {
 132                 case MeterInput:
 133                         meter_point_label.set_text (_("input"));
 134                         break;
 135
 136                 case MeterPreFader:
 137                         meter_point_label.set_text (_("pre"));
 138                         break;
 139
 140                 case MeterPostFader:
 141                         meter_point_label.set_text (_("post"));
 142                         break;
 143                 }
 144
 145                 /* TRANSLATORS: this string should be longest of the strings
 146                    used to describe meter points. In english, its "input".
 147                 */
 148
 149                 set_size_request_to_display_given_text (meter_point_button, _("tupni"), 5, 5);
 150
 151
 152                 bottom_button_table.attach (meter_point_button, 1, 2, 0, 1);
 153
 154
 155         meter_point_button.signal_button_press_event().connect (mem_fun (gpm, &GainMeter::meter_press), false);
 156         /* XXX what is this meant to do? */
 157         //meter_point_button.signal_button_release_event().connect (mem_fun (gpm, &GainMeter::meter_release), false);
 158
 159         solo_button->set_name ("MixerSoloButton");
 160         mute_button->set_name ("MixerMuteButton");
 161
 162         hide_button.set_events (hide_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 163
 164         width_button.unset_flags (Gtk::CAN_FOCUS);
 165         hide_button.unset_flags (Gtk::CAN_FOCUS);
 166         input_button.unset_flags (Gtk::CAN_FOCUS);
 167         output_button.unset_flags (Gtk::CAN_FOCUS);
 168         solo_button->unset_flags (Gtk::CAN_FOCUS);
 169         mute_button->unset_flags (Gtk::CAN_FOCUS);
 170
 171         button_table.set_homogeneous (true);
 172         button_table.set_spacings (0);
 173
 174         button_table.attach (name_button, 0, 2, 0, 1);
 175         button_table.attach (input_button, 0, 2, 1, 2);
 176
 177         middle_button_table.set_homogeneous (true);
 178         middle_button_table.set_spacings (0);
 179         middle_button_table.attach (*mute_button, 0, 1, 0, 1);
 180         middle_button_table.attach (*solo_button, 1, 2, 0, 1);
 181
 182         bottom_button_table.set_col_spacings (0);
 183         bottom_button_table.set_homogeneous (true);
 184         bottom_button_table.attach (group_button, 0, 1, 0, 1);
 185
 186         if (is_audio_track()) {
 187
 188                 rec_enable_button->set_name ("MixerRecordEnableButton");
 189                 rec_enable_button->unset_flags (Gtk::CAN_FOCUS);
 190                 rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 191
 192                 AudioTrack* at = audio_track();
 193
 194                 at->FreezeChange.connect (mem_fun(*this, &MixerStrip::map_frozen));
 195
 196 #ifdef VARISPEED_IN_MIXER_STRIP
 197                 speed_adjustment.signal_value_changed().connect (mem_fun(*this, &MixerStrip::speed_adjustment_changed));
 198
 199                 speed_frame.set_name ("BaseFrame");
 200                 speed_frame.set_shadow_type (Gtk::SHADOW_IN);
 201                 speed_frame.add (speed_spinner);
 202
 203                 speed_spinner.set_print_func (speed_printer, 0);
 204
 205                 ARDOUR_UI::instance()->tooltips().set_tip (speed_spinner, _("Varispeed"));
 206
 207                 button_table.attach (speed_frame, 0, 2, 5, 6);
 208 #endif /* VARISPEED_IN_MIXER_STRIP */
 209
 210                 button_table.attach (*rec_enable_button, 0, 2, 2, 3);
 211         }
 212
 213         name_button.add (name_label);
 214         name_button.set_name ("MixerNameButton");
 215         Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 216
 217         name_label.set_name ("MixerNameButtonLabel");
 218         if (_route->phase_invert()) {
 219                 name_label.set_text (X_("Ø ") + name_label.get_text());
 220         } else {
 221                 name_label.set_text (_route->name());
 222         }
 223
 224         group_button.add (group_label);
 225         group_button.set_name ("MixerGroupButton");
 226         group_label.set_name ("MixerGroupButtonLabel");
 227
 228         comment_button.set_name ("MixerCommentButton");
 229
 230         ARDOUR_UI::instance()->tooltips().set_tip (comment_button, _route->comment()==""        ?
 231                                                         _("Click to Add/Edit Comments"):
 232                                                         _route->comment());
 233
 234         comment_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::comment_button_clicked));
 235
 236         global_vpacker.set_border_width (0);
 237         global_vpacker.set_spacing (0);
 238
 239         Gtk::VBox *whvbox = manage (new Gtk::VBox);
 240
 241         width_button.set_name ("MixerWidthButton");
 242         hide_button.set_name ("MixerHideButton");
 243
 244         width_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::width_clicked));
 245         hide_button.signal_clicked().connect (mem_fun(*this, &MixerStrip::hide_clicked));
 246
 247         width_hide_box.pack_start (width_button, false, true);
 248         width_hide_box.pack_end (hide_button, false, true);
 249         Gtk::Alignment *gain_meter_alignment = Gtk::manage(new Gtk::Alignment());
 250         gain_meter_alignment->set_padding(0, 4, 0, 0);
 251         gain_meter_alignment->add(gpm);
 252
 253         whvbox->pack_start (width_hide_box, true, true);
 254
 255         global_vpacker.pack_start (*whvbox, Gtk::PACK_SHRINK);
 256         global_vpacker.pack_start (button_table,Gtk::PACK_SHRINK);
 257         global_vpacker.pack_start (pre_redirect_box, true, true);
 258         global_vpacker.pack_start (middle_button_table,Gtk::PACK_SHRINK);
 259         global_vpacker.pack_start (*gain_meter_alignment,Gtk::PACK_SHRINK);
 260         global_vpacker.pack_start (bottom_button_table,Gtk::PACK_SHRINK);
 261         global_vpacker.pack_start (post_redirect_box, true, true);
 262         global_vpacker.pack_start (panners, Gtk::PACK_SHRINK);
 263         global_vpacker.pack_start (output_button, Gtk::PACK_SHRINK);
 264         global_vpacker.pack_start (comment_button, Gtk::PACK_SHRINK);
 265
 266         global_frame.add (global_vpacker);
 267         global_frame.set_shadow_type (Gtk::SHADOW_IN);
 268         global_frame.set_name ("BaseFrame");
 269
 270         add (global_frame);
 271
 272         /* force setting of visible selected status */
 273
 274         _selected = true;
 275         set_selected (false);
 276
 277         _packed = false;
 278         _embedded = false;
 279
 280         _session.engine().Stopped.connect (mem_fun(*this, &MixerStrip::engine_stopped));
 281         _session.engine().Running.connect (mem_fun(*this, &MixerStrip::engine_running));
 282         _route->input_changed.connect (mem_fun(*this, &MixerStrip::input_changed));
 283         _route->output_changed.connect (mem_fun(*this, &MixerStrip::output_changed));
 284         _route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 285         _route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 286         _route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 287         _route->mix_group_changed.connect (mem_fun(*this, &MixerStrip::mix_group_changed));
 288         _route->panner().Changed.connect (mem_fun(*this, &MixerStrip::connect_to_pan));
 289
 290         if (is_audio_track()) {
 291                 audio_track()->DiskstreamChanged.connect (mem_fun(*this, &MixerStrip::diskstream_changed));
 292                 get_diskstream()->SpeedChanged.connect (mem_fun(*this, &MixerStrip::speed_changed));
 293         }
 294
 295         _route->name_changed.connect (mem_fun(*this, &RouteUI::name_changed));
 296         _route->comment_changed.connect (mem_fun(*this, &MixerStrip::comment_changed));
 297         _route->gui_changed.connect (mem_fun(*this, &MixerStrip::route_gui_changed));
 298
 299         input_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::input_press), false);
 300         output_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::output_press), false);
 301
 302         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 303         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 304         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 305         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 306
 307         name_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::name_button_button_press), false);
 308         group_button.signal_button_press_event().connect (mem_fun(*this, &MixerStrip::select_mix_group), false);
 309
 310         _width = (Width) -1;
 311         set_stuff_from_route ();
 312
 313         /* start off as a passthru strip. we'll correct this, if necessary,
 314            in update_diskstream_display().
 315         */
 316
 317         set_name ("AudioTrackStripBase");
 318
 319         /* now force an update of all the various elements */
 320
 321         pre_redirect_box.update();
 322         post_redirect_box.update();
 323         mute_changed (0);
 324         solo_changed (0);
 325         name_changed (0);
 326         comment_changed (0);
 327         mix_group_changed (0);
 328
 329         connect_to_pan ();
 330
 331         panners.setup_pan ();
 332
 333         if (is_audio_track()) {
 334                 speed_changed ();
 335         }
 336
 337         update_diskstream_display ();
 338         update_input_display ();
 339         update_output_display ();
 340
 341         add_events (Gdk::BUTTON_RELEASE_MASK);
 342 }
 343
 344 MixerStrip::~MixerStrip ()
 345 {
 346         GoingAway(); /* EMIT_SIGNAL */
 347
 348         if (input_selector) {
 349                 delete input_selector;
 350         }
 351
 352         if (output_selector) {
 353                 delete output_selector;
 354         }
 355 }
 356
 357 void
 358 MixerStrip::set_stuff_from_route ()
 359 {
 360         XMLProperty *prop;
 361
 362         ensure_xml_node ();
 363
 364         if ((prop = xml_node->property ("strip_width")) != 0) {
 365                 if (prop->value() == "wide") {
 366                         set_width (Wide);
 367                 } else if (prop->value() == "narrow") {
 368                         set_width (Narrow);
 369                 }
 370                 else {
 371                         error << string_compose(_("unknown strip width \"%1\" in XML GUI information"), prop->value()) << endmsg;
 372                         set_width (Wide);
 373                 }
 374         }
 375         else {
 376                 set_width (Wide);
 377         }
 378
 379         if ((prop = xml_node->property ("shown_mixer")) != 0) {
 380                 if (prop->value() == "no") {
 381                         _marked_for_display = false;
 382                 } else {
 383                         _marked_for_display = true;
 384                 }
 385         }
 386         else {
 387                 /* backwards compatibility */
 388                 _marked_for_display = true;
 389         }
 390 }
 391
 392 void
 393 MixerStrip::set_width (Width w)
 394 {
 395         /* always set the gpm width again, things may be hidden */
 396         gpm.set_width (w);
 397         panners.set_width (w);
 398         pre_redirect_box.set_width (w);
 399         post_redirect_box.set_width (w);
 400
 401         if (_width == w) {
 402                 return;
 403         }
 404
 405         ensure_xml_node ();
 406
 407         _width = w;
 408
 409         switch (w) {
 410         case Wide:
 411                 set_size_request (-1, -1);
 412                 xml_node->add_property ("strip_width", "wide");
 413
 414                 if (rec_enable_button) {
 415                         rec_enable_button->set_label (_("record"));
 416                 }
 417                 mute_button->set_label  (_("mute"));
 418                 solo_button->set_label (_("solo"));
 419
 420                 if (_route->comment() == "") {
 421                        comment_button.set_label (_("comments"));
 422                 } else {
 423                        comment_button.set_label (_("*comments*"));
 424                 }
 425
 426                 gpm.gain_automation_style_button.set_label (gpm.astyle_string(_route->gain_automation_curve().automation_style()));
 427                 gpm.gain_automation_state_button.set_label (gpm.astate_string(_route->gain_automation_curve().automation_state()));
 428                 panners.pan_automation_style_button.set_label (panners.astyle_string(_route->panner().automation_style()));
 429                 panners.pan_automation_state_button.set_label (panners.astate_string(_route->panner().automation_state()));
 430                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "long", 2, 2);
 431                 break;
 432
 433         case Narrow:
 434                 set_size_request (50, -1);
 435                 xml_node->add_property ("strip_width", "narrow");
 436
 437                 if (rec_enable_button) {
 438                         rec_enable_button->set_label (_("Rec"));
 439                 }
 440                 mute_button->set_label (_("M"));
 441                 solo_button->set_label (_("S"));
 442
 443                 if (_route->comment() == "") {
 444                        comment_button.set_label (_("Cmt"));
 445                 } else {
 446                        comment_button.set_label (_("*Cmt*"));
 447                 }
 448
 449                 gpm.gain_automation_style_button.set_label (gpm.short_astyle_string(_route->gain_automation_curve().automation_style()));
 450                 gpm.gain_automation_state_button.set_label (gpm.short_astate_string(_route->gain_automation_curve().automation_state()));
 451                 panners.pan_automation_style_button.set_label (panners.short_astyle_string(_route->panner().automation_style()));
 452                 panners.pan_automation_state_button.set_label (panners.short_astate_string(_route->panner().automation_state()));
 453                 Gtkmm2ext::set_size_request_to_display_given_text (name_button, "longest label", 2, 2);
 454                 break;
 455         }
 456
 457         update_input_display ();
 458         update_output_display ();
 459         mix_group_changed (0);
 460         name_changed (0);
 461
 462 }
 463
 464 void
 465 MixerStrip::set_packed (bool yn)
 466 {
 467         _packed = yn;
 468
 469         ensure_xml_node ();
 470
 471         if (_packed) {
 472                 xml_node->add_property ("shown_mixer", "yes");
 473         } else {
 474                 xml_node->add_property ("shown_mixer", "no");
 475         }
 476 }
 477
 478
 479 gint
 480 MixerStrip::output_press (GdkEventButton *ev)
 481 {
 482         using namespace Menu_Helpers;
 483         if (!_session.engine().connected()) {
 484                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 485                 msg.run ();
 486                 return true;
 487         }
 488
 489         MenuList& citems = output_menu.items();
 490         switch (ev->button) {
 491
 492         case 1:
 493                 output_menu.set_name ("ArdourContextMenu");
 494                 citems.clear();
 495
 496                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_output_configuration)));
 497                 citems.push_back (SeparatorElem());
 498                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_output)));
 499                 citems.push_back (SeparatorElem());
 500
 501                 _session.foreach_connection (this, &MixerStrip::add_connection_to_output_menu);
 502
 503                 output_menu.popup (1, ev->time);
 504                 break;
 505
 506         default:
 507                 break;
 508         }
 509         return TRUE;
 510 }
 511
 512 void
 513 MixerStrip::edit_output_configuration ()
 514 {
 515         if (output_selector == 0) {
 516                 output_selector = new IOSelectorWindow (_session, _route, false);
 517         }
 518
 519         if (output_selector->is_visible()) {
 520                 output_selector->get_toplevel()->get_window()->raise();
 521         } else {
 522                 output_selector->show_all ();
 523         }
 524 }
 525
 526 void
 527 MixerStrip::edit_input_configuration ()
 528 {
 529         if (input_selector == 0) {
 530                 input_selector = new IOSelectorWindow (_session, _route, true);
 531         }
 532
 533         if (input_selector->is_visible()) {
 534                 input_selector->get_toplevel()->get_window()->raise();
 535         } else {
 536                 input_selector->show_all ();
 537         }
 538 }
 539
 540 gint
 541 MixerStrip::input_press (GdkEventButton *ev)
 542 {
 543         using namespace Menu_Helpers;
 544
 545         MenuList& citems = input_menu.items();
 546         input_menu.set_name ("ArdourContextMenu");
 547         citems.clear();
 548
 549         if (!_session.engine().connected()) {
 550                 MessageDialog msg (_("Not connected to JACK - no I/O changes are possible"));
 551                 msg.run ();
 552                 return true;
 553         }
 554
 555         switch (ev->button) {
 556
 557         case 1:
 558
 559                 citems.push_back (MenuElem (_("Edit"), mem_fun(*this, &MixerStrip::edit_input_configuration)));
 560                 citems.push_back (SeparatorElem());
 561                 citems.push_back (MenuElem (_("Disconnect"), mem_fun (*(static_cast<RouteUI*>(this)), &RouteUI::disconnect_input)));
 562                 citems.push_back (SeparatorElem());
 563
 564                 _session.foreach_connection (this, &MixerStrip::add_connection_to_input_menu);
 565                 input_menu.popup (1, ev->time);
 566                 break;
 567
 568         default:
 569                 break;
 570         }
 571         return TRUE;
 572 }
 573
 574 void
 575 MixerStrip::connection_input_chosen (ARDOUR::Connection *c)
 576 {
 577         if (!ignore_toggle) {
 578
 579                 try {
 580                         _route->use_input_connection (*c, this);
 581                 }
 582
 583                 catch (AudioEngine::PortRegistrationFailure& err) {
 584                         error << _("could not register new ports required for that connection")
 585                               << endmsg;
 586                 }
 587         }
 588 }
 589
 590 void
 591 MixerStrip::connection_output_chosen (ARDOUR::Connection *c)
 592 {
 593         if (!ignore_toggle) {
 594
 595                 try {
 596                         _route->use_output_connection (*c, this);
 597                 }
 598
 599                 catch (AudioEngine::PortRegistrationFailure& err) {
 600                         error << _("could not register new ports required for that connection")
 601                               << endmsg;
 602                 }
 603         }
 604 }
 605
 606 void
 607 MixerStrip::add_connection_to_input_menu (ARDOUR::Connection* c)
 608 {
 609         using namespace Menu_Helpers;
 610
 611         if (dynamic_cast<InputConnection *> (c) == 0) {
 612                 return;
 613         }
 614
 615         MenuList& citems = input_menu.items();
 616
 617         if (c->nports() == _route->n_inputs().get_total()) {
 618
 619                 citems.push_back (CheckMenuElem (c->name(), bind (mem_fun(*this, &MixerStrip::connection_input_chosen), c)));
 620
 621                 ARDOUR::Connection *current = _route->input_connection();
 622
 623                 if (current == c) {
 624                         ignore_toggle = true;
 625                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 626                         ignore_toggle = false;
 627                 }
 628         }
 629 }
 630
 631 void
 632 MixerStrip::add_connection_to_output_menu (ARDOUR::Connection* c)
 633 {
 634         using namespace Menu_Helpers;
 635
 636         if (dynamic_cast<OutputConnection *> (c) == 0) {
 637                 return;
 638         }
 639
 640         if (c->nports() == _route->n_outputs().get_total()) {
 641
 642                 MenuList& citems = output_menu.items();
 643                 citems.push_back (CheckMenuElem (c->name(), bind (mem_fun(*this, &MixerStrip::connection_output_chosen), c)));
 644
 645                 ARDOUR::Connection *current = _route->output_connection();
 646
 647                 if (current == c) {
 648                         ignore_toggle = true;
 649                         dynamic_cast<CheckMenuItem *> (&citems.back())->set_active (true);
 650                         ignore_toggle = false;
 651                 }
 652         }
 653 }
 654
 655 void
 656 MixerStrip::update_diskstream_display ()
 657 {
 658         if (is_audio_track()) {
 659
 660                 map_frozen ();
 661
 662                 update_input_display ();
 663
 664                 if (input_selector) {
 665                         input_selector->hide_all ();
 666                 }
 667
 668                 show_route_color ();
 669
 670         } else {
 671
 672                 map_frozen ();
 673
 674                 update_input_display ();
 675                 show_passthru_color ();
 676         }
 677 }
 678
 679 void
 680 MixerStrip::connect_to_pan ()
 681 {
 682         ENSURE_GUI_THREAD(mem_fun(*this, &MixerStrip::connect_to_pan));
 683
 684         panstate_connection.disconnect ();
 685         panstyle_connection.disconnect ();
 686
 687         if (!_route->panner().empty()) {
 688                 StreamPanner* sp = _route->panner().front();
 689
 690                 panstate_connection = sp->automation().automation_state_changed.connect (mem_fun(panners, &PannerUI::pan_automation_state_changed));
 691                 panstyle_connection = sp->automation().automation_style_changed.connect (mem_fun(panners, &PannerUI::pan_automation_style_changed));
 692         }
 693
 694         panners.pan_changed (this);
 695 }
 696
 697 void
 698 MixerStrip::update_input_display ()
 699 {
 700         ARDOUR::Connection *c;
 701
 702         if ((c = _route->input_connection()) != 0) {
 703                 input_label.set_text (c->name());
 704         } else {
 705                 switch (_width) {
 706                 case Wide:
 707                         input_label.set_text (_(" Input"));
 708                         break;
 709                 case Narrow:
 710                         input_label.set_text (_("I"));
 711                         break;
 712                 }
 713         }
 714         panners.setup_pan ();
 715 }
 716
 717 void
 718 MixerStrip::update_output_display ()
 719 {
 720         ARDOUR::Connection *c;
 721
 722         if ((c = _route->output_connection()) != 0) {
 723                 output_label.set_text (c->name());
 724         } else {
 725                 switch (_width) {
 726                 case Wide:
 727                         output_label.set_text (_("Output"));
 728                         break;
 729                 case Narrow:
 730                         output_label.set_text (_("O"));
 731                         break;
 732                 }
 733         }
 734         gpm.setup_meters ();
 735         panners.setup_pan ();
 736 }
 737
 738 void
 739 MixerStrip::fast_update ()
 740 {
 741         gpm.update_meters ();
 742 }
 743
 744 void
 745 MixerStrip::diskstream_changed ()
 746 {
 747         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_diskstream_display));
 748 }
 749
 750 void
 751 MixerStrip::input_changed (IOChange change, void *src)
 752 {
 753         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
 754 }
 755
 756 void
 757 MixerStrip::output_changed (IOChange change, void *src)
 758 {
 759         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
 760 }
 761
 762 void
 763 MixerStrip::comment_button_clicked ()
 764 {
 765         if (comment_window == 0) {
 766                 setup_comment_editor ();
 767         }
 768
 769         int x, y, cw_width, cw_height;
 770
 771         if (comment_window->is_visible()) {
 772                string str =  comment_area->get_buffer()->get_text();
 773                if (_route->comment() != str) {
 774                  _route->set_comment (str, this);
 775
 776                  switch (_width) {
 777
 778                  case Wide:
 779                    if (! str.empty()) {
 780                      comment_button.set_label (_("*Comments*"));
 781                    } else {
 782                      comment_button.set_label (_("Comments"));
 783                       }
 784                    break;
 785
 786                  case Narrow:
 787                    if (! str.empty()) {
 788                      comment_button.set_label (_("*Cmt*"));
 789                    } else {
 790                      comment_button.set_label (_("Cmt"));
 791                    }
 792                    break;
 793                  }
 794
 795                  ARDOUR_UI::instance()->tooltips().set_tip (comment_button,
 796                                                             str.empty() ? _("Click to Add/Edit Comments") : str);
 797                }
 798                comment_window->hide ();
 799                return;
 800         }
 801         comment_window->get_size (cw_width, cw_height);
 802         comment_window->get_position(x, y);
 803         comment_window->move(x, y - (cw_height / 2) - 45);
 804         /*
 805            half the dialog height minus the comments button height
 806            with some window decoration fudge thrown in.
 807         */
 808
 809         comment_window->show();
 810         comment_window->present();
 811
 812 }
 813
 814 void
 815 MixerStrip::setup_comment_editor ()
 816 {
 817         string title;
 818         title = _route->name();
 819         title += _(": comment editor");
 820
 821         comment_window = new ArdourDialog (title, false);
 822         comment_window->set_position (Gtk::WIN_POS_MOUSE);
 823         comment_window->set_skip_taskbar_hint (true);
 824
 825         comment_area = manage (new TextView());
 826         comment_area->set_name ("MixerTrackCommentArea");
 827         comment_area->set_size_request (110, 178);
 828         comment_area->set_wrap_mode (WRAP_WORD);
 829         comment_area->set_editable (true);
 830         comment_area->get_buffer()->set_text (_route->comment());
 831         comment_area->show ();
 832
 833         comment_window->get_vbox()->pack_start (*comment_area);
 834         comment_window->get_action_area()->hide();
 835 }
 836
 837 void
 838 MixerStrip::comment_changed (void *src)
 839 {
 840         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::comment_changed), src));
 841
 842         if (src != this) {
 843                 ignore_comment_edit = true;
 844                 if (comment_area) {
 845                         comment_area->get_buffer()->set_text (_route->comment());
 846                 }
 847                 ignore_comment_edit = false;
 848         }
 849 }
 850
 851 void
 852 MixerStrip::set_mix_group (RouteGroup *rg)
 853 {
 854         _route->set_mix_group (rg, this);
 855 }
 856
 857 void
 858 MixerStrip::add_mix_group_to_menu (RouteGroup *rg, RadioMenuItem::Group* group)
 859 {
 860         using namespace Menu_Helpers;
 861
 862         MenuList& items = group_menu->items();
 863
 864         items.push_back (RadioMenuElem (*group, rg->name(), bind (mem_fun(*this, &MixerStrip::set_mix_group), rg)));
 865
 866         if (_route->mix_group() == rg) {
 867                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 868         }
 869 }
 870
 871 bool
 872 MixerStrip::select_mix_group (GdkEventButton *ev)
 873 {
 874         using namespace Menu_Helpers;
 875
 876         if (group_menu == 0) {
 877                 group_menu = new Menu;
 878         }
 879         group_menu->set_name ("ArdourContextMenu");
 880         MenuList& items = group_menu->items();
 881         RadioMenuItem::Group group;
 882
 883         switch (ev->button) {
 884         case 1:
 885
 886                 items.clear ();
 887                 items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
 888
 889                 _session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
 890
 891                 group_menu->popup (1, ev->time);
 892                 break;
 893
 894         default:
 895                 break;
 896         }
 897
 898         return true;
 899 }
 900
 901 void
 902 MixerStrip::mix_group_changed (void *ignored)
 903 {
 904         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::mix_group_changed), ignored));
 905
 906         RouteGroup *rg = _route->mix_group();
 907
 908         if (rg) {
 909                 group_label.set_text (rg->name());
 910         } else {
 911                 switch (_width) {
 912                 case Wide:
 913                         group_label.set_text (_("Grp"));
 914                         break;
 915                 case Narrow:
 916                         group_label.set_text (_("~G"));
 917                         break;
 918                 }
 919         }
 920 }
 921
 922
 923 void
 924 MixerStrip::route_gui_changed (string what_changed, void* ignored)
 925 {
 926         ENSURE_GUI_THREAD(bind (mem_fun(*this, &MixerStrip::route_gui_changed), what_changed, ignored));
 927
 928         if (what_changed == "color") {
 929                 if (set_color_from_route () == 0) {
 930                         show_route_color ();
 931                 }
 932         }
 933 }
 934
 935 void
 936 MixerStrip::show_route_color ()
 937 {
 938         name_button.modify_bg (STATE_NORMAL, color());
 939         route_active_changed ();
 940 }
 941
 942 void
 943 MixerStrip::show_passthru_color ()
 944 {
 945         route_active_changed ();
 946 }
 947
 948 void
 949 MixerStrip::build_route_ops_menu ()
 950 {
 951         using namespace Menu_Helpers;
 952
 953         route_ops_menu = manage (new Menu);
 954         route_ops_menu->set_name ("ArdourContextMenu");
 955
 956         MenuList& items = route_ops_menu->items();
 957
 958         items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteUI::route_rename)));
 959         items.push_back (SeparatorElem());
 960         items.push_back (CheckMenuElem (_("Active"), mem_fun (*this, &RouteUI::toggle_route_active)));
 961         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 962         route_active_menu_item->set_active (_route->active());
 963         items.push_back (SeparatorElem());
 964         items.push_back (CheckMenuElem (_("Invert Polarity"), mem_fun (*this, &RouteUI::toggle_polarity)));
 965         polarity_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 966         polarity_menu_item->set_active (_route->phase_invert());
 967
 968         build_remote_control_menu ();
 969
 970         items.push_back (SeparatorElem());
 971         items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
 972
 973         items.push_back (SeparatorElem());
 974         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 975 }
 976
 977 gint
 978 MixerStrip::name_button_button_press (GdkEventButton* ev)
 979 {
 980         if (ev->button == 1) {
 981                 list_route_operations ();
 982                 route_ops_menu->popup (1, ev->time);
 983         }
 984         return FALSE;
 985 }
 986
 987 void
 988 MixerStrip::list_route_operations ()
 989 {
 990         if (route_ops_menu == 0) {
 991                 build_route_ops_menu ();
 992         }
 993
 994         refresh_remote_control_menu();
 995 }
 996
 997
 998 void
 999 MixerStrip::speed_adjustment_changed ()
1000 {
1001         /* since there is a usable speed adjustment, there has to be a diskstream */
1002         if (!ignore_speed_adjustment) {
1003                 get_diskstream()->set_speed (speed_adjustment.get_value());
1004         }
1005 }
1006
1007 void
1008 MixerStrip::speed_changed ()
1009 {
1010         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_speed_display));
1011 }
1012
1013 void
1014 MixerStrip::update_speed_display ()
1015 {
1016         float val;
1017
1018         val = get_diskstream()->speed();
1019
1020         if (val != 1.0) {
1021                 speed_spinner.set_name ("MixerStripSpeedBaseNotOne");
1022         } else {
1023                 speed_spinner.set_name ("MixerStripSpeedBase");
1024         }
1025
1026         if (speed_adjustment.get_value() != val) {
1027                 ignore_speed_adjustment = true;
1028                 speed_adjustment.set_value (val);
1029                 ignore_speed_adjustment = false;
1030         }
1031 }
1032
1033
1034 void
1035 MixerStrip::set_selected (bool yn)
1036 {
1037         AxisView::set_selected (yn);
1038         if (_selected) {
1039                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
1040                 global_frame.set_name ("MixerStripSelectedFrame");
1041         } else {
1042                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
1043                 global_frame.set_name ("MixerStripFrame");
1044         }
1045         global_frame.queue_draw ();
1046 }
1047
1048 void
1049 MixerStrip::name_changed (void *src)
1050 {
1051         switch (_width) {
1052         case Wide:
1053                 RouteUI::name_changed (src);
1054                 break;
1055         case Narrow:
1056                 name_label.set_text (PBD::short_version (_route->name(), 5));
1057                 break;
1058         }
1059         if (_route->phase_invert()) {
1060                 name_label.set_text (X_("Ø ") + name_label.get_text());
1061         }
1062 }
1063
1064 void
1065 MixerStrip::width_clicked ()
1066 {
1067         switch (_width) {
1068         case Wide:
1069                 set_width (Narrow);
1070                 break;
1071         case Narrow:
1072                 set_width (Wide);
1073                 break;
1074         }
1075 }
1076
1077 void
1078 MixerStrip::hide_clicked ()
1079 {
1080         if (_embedded) {
1081                  Hiding(); /* EMIT_SIGNAL */
1082         } else {
1083                 _mixer.hide_strip (this);
1084         }
1085 }
1086
1087 void
1088 MixerStrip::set_embedded (bool yn)
1089 {
1090         _embedded = yn;
1091 }
1092
1093 void
1094 MixerStrip::map_frozen ()
1095 {
1096         ENSURE_GUI_THREAD (mem_fun(*this, &MixerStrip::map_frozen));
1097
1098         AudioTrack* at = audio_track();
1099
1100         if (at) {
1101                 switch (at->freeze_state()) {
1102                 case AudioTrack::Frozen:
1103                         pre_redirect_box.set_sensitive (false);
1104                         post_redirect_box.set_sensitive (false);
1105                         speed_spinner.set_sensitive (false);
1106                         break;
1107                 default:
1108                         pre_redirect_box.set_sensitive (true);
1109                         post_redirect_box.set_sensitive (true);
1110                         speed_spinner.set_sensitive (true);
1111                         break;
1112                 }
1113         }
1114         _route->foreach_redirect (this, &MixerStrip::hide_redirect_editor);
1115 }
1116
1117 void
1118 MixerStrip::hide_redirect_editor (boost::shared_ptr<Redirect> redirect)
1119 {
1120         void* gui = redirect->get_gui ();
1121
1122         if (gui) {
1123                 static_cast<Gtk::Widget*>(gui)->hide ();
1124         }
1125 }
1126
1127 void
1128 MixerStrip::route_active_changed ()
1129 {
1130         RouteUI::route_active_changed ();
1131
1132         if (is_midi_track()) {
1133                 if (_route->active()) {
1134                         set_name ("MidiTrackStripBase");
1135                         gpm.set_meter_strip_name ("MidiTrackStripBase");
1136                 } else {
1137                         set_name ("MidiTrackStripBaseInactive");
1138                         gpm.set_meter_strip_name ("MidiTrackStripBaseInactive");
1139                 }
1140         } else if (is_audio_track()) {
1141                 if (_route->active()) {
1142                         set_name ("AudioTrackStripBase");
1143                         gpm.set_meter_strip_name ("AudioTrackStripBase");
1144                 } else {
1145                         set_name ("AudioTrackStripBaseInactive");
1146                         gpm.set_meter_strip_name ("AudioTrackStripBaseInactive");
1147                 }
1148                 gpm.set_fader_name ("AudioTrackFader");
1149         } else {
1150                 if (_route->active()) {
1151                         set_name ("AudioBusStripBase");
1152                         gpm.set_meter_strip_name ("AudioBusStripBase");
1153                 } else {
1154                         set_name ("AudioBusStripBaseInactive");
1155                         gpm.set_meter_strip_name ("AudioBusStripBaseInactive");
1156                 }
1157                 gpm.set_fader_name ("AudioBusFader");
1158         }
1159 }
1160
1161 RouteGroup*
1162 MixerStrip::mix_group() const
1163 {
1164         return _route->mix_group();
1165 }
1166
1167 void
1168 MixerStrip::engine_stopped ()
1169 {
1170         input_button.set_sensitive (false);
1171         if (rec_enable_button) {
1172                 rec_enable_button->set_sensitive (false);
1173         }
1174         output_button.set_sensitive (false);
1175 }
1176
1177 void
1178 MixerStrip::engine_running ()
1179 {
1180         input_button.set_sensitive (true);
1181         if (rec_enable_button) {
1182                 rec_enable_button->set_sensitive (true);
1183         }
1184         output_button.set_sensitive (true);
1185 }
1186
1187 void
1188 MixerStrip::meter_changed (void *src)
1189 {
1190
1191         ENSURE_GUI_THREAD (bind (mem_fun(*this, &MixerStrip::meter_changed), src));
1192
1193                 switch (_route->meter_point()) {
1194                 case MeterInput:
1195                         meter_point_label.set_text (_("input"));
1196                         break;
1197
1198                 case MeterPreFader:
1199                         meter_point_label.set_text (_("pre"));
1200                         break;
1201
1202                 case MeterPostFader:
1203                         meter_point_label.set_text (_("post"));
1204                         break;
1205                 }
1206
1207                 gpm.setup_meters ();
1208 }
1209