gtk2_ardour/audio_time_axis.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
  20 #include <cstdlib>
  21 #include <cmath>
  22 #include <cassert>
  23
  24 #include <algorithm>
  25 #include <string>
  26 #include <vector>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include <pbd/error.h>
  31 #include <pbd/stl_delete.h>
  32 #include <pbd/memento_command.h>
  33
  34 #include <gtkmm2ext/gtk_ui.h>
  35 #include <gtkmm2ext/selector.h>
  36 #include <gtkmm2ext/stop_signal.h>
  37 #include <gtkmm2ext/bindable_button.h>
  38 #include <gtkmm2ext/utils.h>
  39
  40 #include <ardour/audioplaylist.h>
  41 #include <ardour/audio_diskstream.h>
  42 #include <ardour/insert.h>
  43 #include <ardour/location.h>
  44 #include <ardour/panner.h>
  45 #include <ardour/playlist.h>
  46 #include <ardour/profile.h>
  47 #include <ardour/session.h>
  48 #include <ardour/session_playlist.h>
  49 #include <ardour/utils.h>
  50
  51 #include "ardour_ui.h"
  52 #include "audio_time_axis.h"
  53 #include "automation_gain_line.h"
  54 #include "automation_pan_line.h"
  55 #include "canvas_impl.h"
  56 #include "crossfade_view.h"
  57 #include "enums.h"
  58 #include "gain_automation_time_axis.h"
  59 #include "keyboard.h"
  60 #include "pan_automation_time_axis.h"
  61 #include "playlist_selector.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "audio_region_view.h"
  65 #include "simplerect.h"
  66 #include "audio_streamview.h"
  67 #include "utils.h"
  68
  69 #include <ardour/audio_track.h>
  70
  71 #include "i18n.h"
  72
  73 using namespace ARDOUR;
  74 using namespace PBD;
  75 using namespace Gtk;
  76 using namespace Editing;
  77
  78 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  79         : AxisView(sess)
  80         , RouteTimeAxisView(ed, sess, rt, canvas)
  81 {
  82         // Make sure things are sane...
  83         assert(!is_track() || is_audio_track());
  84
  85         subplugin_menu.set_name ("ArdourContextMenu");
  86         gain_track = 0;
  87         pan_track = 0;
  88         waveform_item = 0;
  89         pan_automation_item = 0;
  90         gain_automation_item = 0;
  91
  92         _view = new AudioStreamView (*this);
  93
  94         add_gain_automation_child ();
  95         add_pan_automation_child ();
  96
  97         ignore_toggle = false;
  98
  99         if (is_audio_track())
 100                 controls_ebox.set_name ("AudioTimeAxisViewControlsBaseUnselected");
 101         else // bus
 102                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
 103
 104         ensure_xml_node ();
 105
 106         set_state (*xml_node);
 107
 108         _route->panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
 109
 110         update_control_names ();
 111
 112         if (is_audio_track()) {
 113
 114                 /* ask for notifications of any new RegionViews */
 115                 _view->RegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 116
 117                 if (!editor.have_idled()) {
 118                         /* first idle will do what we need */
 119                 } else {
 120                         first_idle ();
 121                 }
 122
 123         } else {
 124                 post_construct ();
 125         }
 126 }
 127
 128 AudioTimeAxisView::~AudioTimeAxisView ()
 129 {
 130 }
 131
 132 void
 133 AudioTimeAxisView::first_idle ()
 134 {
 135         _view->attach ();
 136         post_construct ();
 137 }
 138
 139 AudioStreamView*
 140 AudioTimeAxisView::audio_view()
 141 {
 142         return dynamic_cast<AudioStreamView*>(_view);
 143 }
 144
 145 guint32
 146 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 147 {
 148         ensure_xml_node ();
 149         xml_node->add_property ("shown_editor", "yes");
 150
 151         return TimeAxisView::show_at (y, nth, parent);
 152 }
 153
 154 void
 155 AudioTimeAxisView::hide ()
 156 {
 157         ensure_xml_node ();
 158         xml_node->add_property ("shown_editor", "no");
 159
 160         TimeAxisView::hide ();
 161 }
 162
 163 int
 164 AudioTimeAxisView::set_state (const XMLNode& node)
 165 {
 166         const XMLProperty *prop;
 167         int ret;
 168
 169         if ((ret = TimeAxisView::set_state (node)) != 0) {
 170                 return ret;
 171         }
 172
 173         /* if the TimeAxisView had marked this not for display,
 174            then do not allow this to override it.
 175         */
 176
 177         if ((prop = node.property ("marked_for_display")) == 0) {
 178                 if ((prop = node.property ("shown_editor")) != 0) {
 179                         if (prop->value() == "no") {
 180                                 _marked_for_display = false;
 181                         } else {
 182                                 _marked_for_display = true;
 183                         }
 184                 } else {
 185                         _marked_for_display = true;
 186                 }
 187         }
 188
 189         XMLNodeList nlist = node.children();
 190         XMLNodeConstIterator niter;
 191         XMLNode *child_node;
 192
 193
 194         show_gain_automation = false;
 195         show_pan_automation  = false;
 196
 197         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 198                 child_node = *niter;
 199
 200                 if (child_node->name() == "gain") {
 201                         XMLProperty *prop=child_node->property ("shown");
 202
 203                         if (prop != 0) {
 204                                 if (prop->value() == "yes") {
 205                                         show_gain_automation = true;
 206                                 }
 207                         }
 208                         continue;
 209                 }
 210
 211                 if (child_node->name() == "pan") {
 212                         XMLProperty *prop=child_node->property ("shown");
 213
 214                         if (prop != 0) {
 215                                 if (prop->value() == "yes") {
 216                                         show_pan_automation = true;
 217                                 }
 218                         }
 219                         continue;
 220                 }
 221         }
 222
 223         return 0;
 224 }
 225
 226 void
 227 AudioTimeAxisView::build_automation_action_menu ()
 228 {
 229         using namespace Menu_Helpers;
 230
 231         RouteTimeAxisView::build_automation_action_menu ();
 232
 233         MenuList& automation_items = automation_action_menu->items();
 234
 235         automation_items.push_back (SeparatorElem());
 236
 237         automation_items.push_back (CheckMenuElem (_("Fader"),
 238                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 239         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 240         gain_automation_item->set_active(show_gain_automation);
 241
 242         automation_items.push_back (CheckMenuElem (_("Pan"),
 243                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 244         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 245         pan_automation_item->set_active(show_pan_automation);
 246
 247 }
 248
 249 void
 250 AudioTimeAxisView::append_extra_display_menu_items ()
 251 {
 252         using namespace Menu_Helpers;
 253
 254         MenuList& items = display_menu->items();
 255
 256         // crossfade stuff
 257         if (!Profile->get_sae()) {
 258                 items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 259                 items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 260         }
 261
 262         // waveform menu
 263         Menu *waveform_menu = manage(new Menu);
 264         MenuList& waveform_items = waveform_menu->items();
 265         waveform_menu->set_name ("ArdourContextMenu");
 266
 267         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 268         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 269         ignore_toggle = true;
 270         waveform_item->set_active (editor.show_waveforms());
 271         ignore_toggle = false;
 272
 273         waveform_items.push_back (SeparatorElem());
 274
 275         RadioMenuItem::Group group;
 276
 277         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 278         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 279
 280         if (!Profile->get_sae()) {
 281                 waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 282                 rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 283         } else {
 284                 rectified_item = 0;
 285         }
 286
 287         waveform_items.push_back (SeparatorElem());
 288
 289         RadioMenuItem::Group group2;
 290
 291         waveform_items.push_back (RadioMenuElem (group2, _("Linear"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LinearWaveform)));
 292         linearscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 293
 294         waveform_items.push_back (RadioMenuElem (group2, _("Logarithmic"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LogWaveform)));
 295         logscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 296
 297         // setting initial item state
 298         AudioStreamView* asv = audio_view();
 299         if (asv) {
 300                 ignore_toggle = true;
 301                 if (asv->get_waveform_shape() == Rectified && rectified_item) {
 302                         rectified_item->set_active(true);
 303                 } else {
 304                         traditional_item->set_active(true);
 305                 }
 306
 307                 if (asv->get_waveform_scale() == LogWaveform)
 308                         logscale_item->set_active(true);
 309                 else linearscale_item->set_active(true);
 310                 ignore_toggle = false;
 311         }
 312
 313         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 314 }
 315
 316 void
 317 AudioTimeAxisView::toggle_waveforms ()
 318 {
 319         AudioStreamView* asv = audio_view();
 320         assert(asv);
 321
 322         if (asv && waveform_item && !ignore_toggle) {
 323                 asv->set_show_waveforms (waveform_item->get_active());
 324         }
 325 }
 326
 327 void
 328 AudioTimeAxisView::set_show_waveforms (bool yn)
 329 {
 330         AudioStreamView* asv = audio_view();
 331         assert(asv);
 332
 333         if (waveform_item) {
 334                 waveform_item->set_active (yn);
 335         } else {
 336                 asv->set_show_waveforms (yn);
 337         }
 338 }
 339
 340 void
 341 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 342 {
 343         AudioStreamView* asv = audio_view();
 344
 345         if (asv) {
 346                 asv->set_show_waveforms_recording (yn);
 347         }
 348 }
 349
 350 void
 351 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 352 {
 353         AudioStreamView* asv = audio_view();
 354
 355         if (asv && !ignore_toggle) {
 356                 asv->set_waveform_shape (shape);
 357         }
 358
 359         map_frozen ();
 360 }
 361
 362 void
 363 AudioTimeAxisView::set_waveform_scale (WaveformScale scale)
 364 {
 365         AudioStreamView* asv = audio_view();
 366
 367         if (asv && !ignore_toggle) {
 368                 asv->set_waveform_scale (scale);
 369         }
 370
 371         map_frozen ();
 372 }
 373
 374 void
 375 AudioTimeAxisView::add_gain_automation_child ()
 376 {
 377         XMLProperty* prop;
 378         AutomationLine* line;
 379
 380         gain_track = new GainAutomationTimeAxisView (_session,
 381                                                      _route,
 382                                                      editor,
 383                                                      *this,
 384                                                      parent_canvas,
 385                                                      _("gain"),
 386                                                      _route->gain_automation_curve());
 387
 388         line = new AutomationGainLine ("automation gain",
 389                                        _session,
 390                                        *gain_track,
 391                                        *gain_track->canvas_display,
 392                                        _route->gain_automation_curve());
 393
 394         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 395
 396
 397         gain_track->add_line (*line);
 398
 399         add_child (gain_track);
 400
 401         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
 402
 403         bool hideit = true;
 404
 405         XMLNode* node;
 406
 407         if ((node = gain_track->get_state_node()) != 0) {
 408                 if  ((prop = node->property ("shown")) != 0) {
 409                         if (prop->value() == "yes") {
 410                                 hideit = false;
 411                         }
 412                 }
 413         }
 414
 415         if (hideit) {
 416                 gain_track->hide ();
 417         }
 418 }
 419
 420 void
 421 AudioTimeAxisView::add_pan_automation_child ()
 422 {
 423         XMLProperty* prop;
 424
 425         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
 426
 427         update_pans ();
 428
 429         add_child (pan_track);
 430
 431         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
 432
 433         ensure_xml_node ();
 434         bool hideit = true;
 435
 436         XMLNode* node;
 437
 438         if ((node = pan_track->get_state_node()) != 0) {
 439                 if ((prop = node->property ("shown")) != 0) {
 440                         if (prop->value() == "yes") {
 441                                 hideit = false;
 442                         }
 443                 }
 444         }
 445
 446         if (hideit) {
 447                 pan_track->hide ();
 448         }
 449 }
 450
 451 void
 452 AudioTimeAxisView::update_pans ()
 453 {
 454         Panner::iterator p;
 455
 456         pan_track->clear_lines ();
 457
 458         /* we don't draw lines for "greater than stereo" panning.
 459          */
 460
 461         if (_route->n_outputs() > 2) {
 462                 return;
 463         }
 464
 465         for (p = _route->panner().begin(); p != _route->panner().end(); ++p) {
 466
 467                 AutomationLine* line;
 468
 469                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
 470                                               *pan_track->canvas_display,
 471                                               (*p)->automation());
 472
 473                 if (p == _route->panner().begin()) {
 474                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 475                 } else {
 476                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 477                 }
 478
 479                 pan_track->add_line (*line);
 480         }
 481 }
 482
 483 void
 484 AudioTimeAxisView::toggle_gain_track ()
 485 {
 486         bool showit = gain_automation_item->get_active();
 487
 488         if (showit != gain_track->marked_for_display()) {
 489                 if (showit) {
 490                         gain_track->set_marked_for_display (true);
 491                         gain_track->canvas_display->show();
 492                         gain_track->canvas_background->show();
 493                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 494                 } else {
 495                         gain_track->set_marked_for_display (false);
 496                         gain_track->hide ();
 497                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 498                 }
 499
 500                 /* now trigger a redisplay */
 501
 502                 if (!no_redraw) {
 503                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 504                 }
 505         }
 506 }
 507
 508 void
 509 AudioTimeAxisView::gain_hidden ()
 510 {
 511         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 512
 513         if (gain_automation_item && !_hidden) {
 514                 gain_automation_item->set_active (false);
 515         }
 516
 517          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 518 }
 519
 520 void
 521 AudioTimeAxisView::toggle_pan_track ()
 522 {
 523         bool showit = pan_automation_item->get_active();
 524
 525         if (showit != pan_track->marked_for_display()) {
 526                 if (showit) {
 527                         pan_track->set_marked_for_display (true);
 528                         pan_track->canvas_display->show();
 529                         pan_track->canvas_background->show();
 530                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
 531                 } else {
 532                         pan_track->set_marked_for_display (false);
 533                         pan_track->hide ();
 534                         pan_track->get_state_node()->add_property ("shown", X_("no"));
 535                 }
 536
 537                 /* now trigger a redisplay */
 538
 539                 if (!no_redraw) {
 540                          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 541                 }
 542         }
 543 }
 544
 545 void
 546 AudioTimeAxisView::pan_hidden ()
 547 {
 548         pan_track->get_state_node()->add_property ("shown", "no");
 549
 550         if (pan_automation_item && !_hidden) {
 551                 pan_automation_item->set_active (false);
 552         }
 553
 554          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 555 }
 556
 557 void
 558 AudioTimeAxisView::show_all_automation ()
 559 {
 560         no_redraw = true;
 561
 562         pan_automation_item->set_active (true);
 563         gain_automation_item->set_active (true);
 564
 565         RouteTimeAxisView::show_all_automation ();
 566
 567         no_redraw = false;
 568
 569          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 570 }
 571
 572 void
 573 AudioTimeAxisView::show_existing_automation ()
 574 {
 575         no_redraw = true;
 576
 577         pan_automation_item->set_active (true);
 578         gain_automation_item->set_active (true);
 579
 580         RouteTimeAxisView::show_existing_automation ();
 581
 582         no_redraw = false;
 583
 584          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 585 }
 586
 587 void
 588 AudioTimeAxisView::hide_all_automation ()
 589 {
 590         no_redraw = true;
 591
 592         pan_automation_item->set_active (false);
 593         gain_automation_item->set_active (false);
 594
 595         RouteTimeAxisView::hide_all_automation();
 596
 597         no_redraw = false;
 598          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 599 }
 600
 601 void
 602 AudioTimeAxisView::show_all_xfades ()
 603 {
 604         AudioStreamView* asv = audio_view();
 605
 606         if (asv) {
 607                 asv->show_all_xfades ();
 608         }
 609 }
 610
 611 void
 612 AudioTimeAxisView::hide_all_xfades ()
 613 {
 614         AudioStreamView* asv = audio_view();
 615
 616         if (asv) {
 617                 asv->hide_all_xfades ();
 618         }
 619 }
 620
 621 void
 622 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 623 {
 624         AudioStreamView* asv = audio_view();
 625         AudioRegionView* rv;
 626
 627         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 628                 asv->hide_xfades_involving (*rv);
 629         }
 630 }
 631
 632 void
 633 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 634 {
 635         AudioStreamView* asv = audio_view();
 636         AudioRegionView* rv;
 637
 638         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 639                 asv->reveal_xfades_involving (*rv);
 640         }
 641 }
 642
 643 void
 644 AudioTimeAxisView::route_active_changed ()
 645 {
 646         RouteTimeAxisView::route_active_changed ();
 647         update_control_names ();
 648 }
 649
 650
 651 /**
 652  *    Set up the names of the controls so that they are coloured
 653  *    correctly depending on whether this route is inactive or
 654  *    selected.
 655  */
 656
 657 void
 658 AudioTimeAxisView::update_control_names ()
 659 {
 660         if (is_audio_track()) {
 661                 if (_route->active()) {
 662                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 663                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 664                 } else {
 665                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 666                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 667                 }
 668         } else {
 669                 if (_route->active()) {
 670                         controls_base_selected_name = "BusControlsBaseSelected";
 671                         controls_base_unselected_name = "BusControlsBaseUnselected";
 672                 } else {
 673                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 674                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 675                 }
 676         }
 677
 678         if (get_selected()) {
 679                 controls_ebox.set_name (controls_base_selected_name);
 680         } else {
 681                 controls_ebox.set_name (controls_base_unselected_name);
 682         }
 683 }
 684
 685 XMLNode*
 686 AudioTimeAxisView::get_child_xml_node (const string & childname)
 687 {
 688         return RouteUI::get_child_xml_node (childname);
 689 }
 690