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 ((prop = node.property ("shown_editor")) != 0) {
 174                 if (prop->value() == "no") {
 175                         _marked_for_display = false;
 176                 } else {
 177                         _marked_for_display = true;
 178                 }
 179         } else {
 180                 _marked_for_display = true;
 181         }
 182
 183         XMLNodeList nlist = node.children();
 184         XMLNodeConstIterator niter;
 185         XMLNode *child_node;
 186
 187
 188         show_gain_automation = false;
 189         show_pan_automation  = false;
 190
 191         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 192                 child_node = *niter;
 193
 194                 if (child_node->name() == "gain") {
 195                         XMLProperty *prop=child_node->property ("shown");
 196
 197                         if (prop != 0) {
 198                                 if (prop->value() == "yes") {
 199                                         show_gain_automation = true;
 200                                 }
 201                         }
 202                         continue;
 203                 }
 204
 205                 if (child_node->name() == "pan") {
 206                         XMLProperty *prop=child_node->property ("shown");
 207
 208                         if (prop != 0) {
 209                                 if (prop->value() == "yes") {
 210                                         show_pan_automation = true;
 211                                 }
 212                         }
 213                         continue;
 214                 }
 215         }
 216
 217         return 0;
 218 }
 219
 220 void
 221 AudioTimeAxisView::build_automation_action_menu ()
 222 {
 223         using namespace Menu_Helpers;
 224
 225         RouteTimeAxisView::build_automation_action_menu ();
 226
 227         MenuList& automation_items = automation_action_menu->items();
 228
 229         automation_items.push_back (SeparatorElem());
 230
 231         automation_items.push_back (CheckMenuElem (_("Fader"),
 232                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 233         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 234         gain_automation_item->set_active(show_gain_automation);
 235
 236         automation_items.push_back (CheckMenuElem (_("Pan"),
 237                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 238         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 239         pan_automation_item->set_active(show_pan_automation);
 240
 241 }
 242
 243 void
 244 AudioTimeAxisView::append_extra_display_menu_items ()
 245 {
 246         using namespace Menu_Helpers;
 247
 248         MenuList& items = display_menu->items();
 249
 250         // crossfade stuff
 251         if (!Profile->get_sae()) {
 252                 items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 253                 items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 254         }
 255
 256         // waveform menu
 257         Menu *waveform_menu = manage(new Menu);
 258         MenuList& waveform_items = waveform_menu->items();
 259         waveform_menu->set_name ("ArdourContextMenu");
 260
 261         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 262         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 263         ignore_toggle = true;
 264         waveform_item->set_active (editor.show_waveforms());
 265         ignore_toggle = false;
 266
 267         waveform_items.push_back (SeparatorElem());
 268
 269         RadioMenuItem::Group group;
 270
 271         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 272         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 273
 274         if (!Profile->get_sae()) {
 275                 waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 276                 rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 277         } else {
 278                 rectified_item = 0;
 279         }
 280
 281         waveform_items.push_back (SeparatorElem());
 282
 283         RadioMenuItem::Group group2;
 284
 285         waveform_items.push_back (RadioMenuElem (group2, _("Linear"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LinearWaveform)));
 286         linearscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 287
 288         waveform_items.push_back (RadioMenuElem (group2, _("Logarithmic"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LogWaveform)));
 289         logscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 290
 291         // setting initial item state
 292         AudioStreamView* asv = audio_view();
 293         if (asv) {
 294                 ignore_toggle = true;
 295                 if (asv->get_waveform_shape() == Rectified && rectified_item) {
 296                         rectified_item->set_active(true);
 297                 } else {
 298                         traditional_item->set_active(true);
 299                 }
 300
 301                 if (asv->get_waveform_scale() == LogWaveform)
 302                         logscale_item->set_active(true);
 303                 else linearscale_item->set_active(true);
 304                 ignore_toggle = false;
 305         }
 306
 307         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 308 }
 309
 310 void
 311 AudioTimeAxisView::toggle_waveforms ()
 312 {
 313         AudioStreamView* asv = audio_view();
 314         assert(asv);
 315
 316         if (asv && waveform_item && !ignore_toggle) {
 317                 asv->set_show_waveforms (waveform_item->get_active());
 318         }
 319 }
 320
 321 void
 322 AudioTimeAxisView::set_show_waveforms (bool yn)
 323 {
 324         AudioStreamView* asv = audio_view();
 325         assert(asv);
 326
 327         if (waveform_item) {
 328                 waveform_item->set_active (yn);
 329         } else {
 330                 asv->set_show_waveforms (yn);
 331         }
 332 }
 333
 334 void
 335 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 336 {
 337         AudioStreamView* asv = audio_view();
 338
 339         if (asv) {
 340                 asv->set_show_waveforms_recording (yn);
 341         }
 342 }
 343
 344 void
 345 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 346 {
 347         AudioStreamView* asv = audio_view();
 348
 349         if (asv && !ignore_toggle) {
 350                 asv->set_waveform_shape (shape);
 351         }
 352
 353         map_frozen ();
 354 }
 355
 356 void
 357 AudioTimeAxisView::set_waveform_scale (WaveformScale scale)
 358 {
 359         AudioStreamView* asv = audio_view();
 360
 361         if (asv && !ignore_toggle) {
 362                 asv->set_waveform_scale (scale);
 363         }
 364
 365         map_frozen ();
 366 }
 367
 368 void
 369 AudioTimeAxisView::add_gain_automation_child ()
 370 {
 371         XMLProperty* prop;
 372         AutomationLine* line;
 373
 374         gain_track = new GainAutomationTimeAxisView (_session,
 375                                                      _route,
 376                                                      editor,
 377                                                      *this,
 378                                                      parent_canvas,
 379                                                      _("gain"),
 380                                                      _route->gain_automation_curve());
 381
 382         line = new AutomationGainLine ("automation gain",
 383                                        _session,
 384                                        *gain_track,
 385                                        *gain_track->canvas_display,
 386                                        _route->gain_automation_curve());
 387
 388         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 389
 390
 391         gain_track->add_line (*line);
 392
 393         add_child (gain_track);
 394
 395         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
 396
 397         bool hideit = true;
 398
 399         XMLNode* node;
 400
 401         if ((node = gain_track->get_state_node()) != 0) {
 402                 if  ((prop = node->property ("shown")) != 0) {
 403                         if (prop->value() == "yes") {
 404                                 hideit = false;
 405                         }
 406                 }
 407         }
 408
 409         if (hideit) {
 410                 gain_track->hide ();
 411         }
 412 }
 413
 414 void
 415 AudioTimeAxisView::add_pan_automation_child ()
 416 {
 417         XMLProperty* prop;
 418
 419         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
 420
 421         update_pans ();
 422
 423         add_child (pan_track);
 424
 425         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
 426
 427         ensure_xml_node ();
 428         bool hideit = true;
 429
 430         XMLNode* node;
 431
 432         if ((node = pan_track->get_state_node()) != 0) {
 433                 if ((prop = node->property ("shown")) != 0) {
 434                         if (prop->value() == "yes") {
 435                                 hideit = false;
 436                         }
 437                 }
 438         }
 439
 440         if (hideit) {
 441                 pan_track->hide ();
 442         }
 443 }
 444
 445 void
 446 AudioTimeAxisView::update_pans ()
 447 {
 448         Panner::iterator p;
 449
 450         pan_track->clear_lines ();
 451
 452         /* we don't draw lines for "greater than stereo" panning.
 453          */
 454
 455         if (_route->n_outputs() > 2) {
 456                 return;
 457         }
 458
 459         for (p = _route->panner().begin(); p != _route->panner().end(); ++p) {
 460
 461                 AutomationLine* line;
 462
 463                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
 464                                               *pan_track->canvas_display,
 465                                               (*p)->automation());
 466
 467                 if (p == _route->panner().begin()) {
 468                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 469                 } else {
 470                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 471                 }
 472
 473                 pan_track->add_line (*line);
 474         }
 475 }
 476
 477 void
 478 AudioTimeAxisView::toggle_gain_track ()
 479 {
 480         bool showit = gain_automation_item->get_active();
 481
 482         if (showit != gain_track->marked_for_display()) {
 483                 if (showit) {
 484                         gain_track->set_marked_for_display (true);
 485                         gain_track->canvas_display->show();
 486                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 487                 } else {
 488                         gain_track->set_marked_for_display (false);
 489                         gain_track->hide ();
 490                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 491                 }
 492
 493                 /* now trigger a redisplay */
 494
 495                 if (!no_redraw) {
 496                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 497                 }
 498         }
 499 }
 500
 501 void
 502 AudioTimeAxisView::gain_hidden ()
 503 {
 504         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 505
 506         if (gain_automation_item && !_hidden) {
 507                 gain_automation_item->set_active (false);
 508         }
 509
 510          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 511 }
 512
 513 void
 514 AudioTimeAxisView::toggle_pan_track ()
 515 {
 516         bool showit = pan_automation_item->get_active();
 517
 518         if (showit != pan_track->marked_for_display()) {
 519                 if (showit) {
 520                         pan_track->set_marked_for_display (true);
 521                         pan_track->canvas_display->show();
 522                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
 523                 } else {
 524                         pan_track->set_marked_for_display (false);
 525                         pan_track->hide ();
 526                         pan_track->get_state_node()->add_property ("shown", X_("no"));
 527                 }
 528
 529                 /* now trigger a redisplay */
 530
 531                 if (!no_redraw) {
 532                          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 533                 }
 534         }
 535 }
 536
 537 void
 538 AudioTimeAxisView::pan_hidden ()
 539 {
 540         pan_track->get_state_node()->add_property ("shown", "no");
 541
 542         if (pan_automation_item && !_hidden) {
 543                 pan_automation_item->set_active (false);
 544         }
 545
 546          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 547 }
 548
 549 void
 550 AudioTimeAxisView::show_all_automation ()
 551 {
 552         no_redraw = true;
 553
 554         pan_automation_item->set_active (true);
 555         gain_automation_item->set_active (true);
 556
 557         RouteTimeAxisView::show_all_automation ();
 558
 559         no_redraw = false;
 560
 561          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 562 }
 563
 564 void
 565 AudioTimeAxisView::show_existing_automation ()
 566 {
 567         no_redraw = true;
 568
 569         pan_automation_item->set_active (true);
 570         gain_automation_item->set_active (true);
 571
 572         RouteTimeAxisView::show_existing_automation ();
 573
 574         no_redraw = false;
 575
 576          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 577 }
 578
 579 void
 580 AudioTimeAxisView::hide_all_automation ()
 581 {
 582         no_redraw = true;
 583
 584         pan_automation_item->set_active (false);
 585         gain_automation_item->set_active (false);
 586
 587         RouteTimeAxisView::hide_all_automation();
 588
 589         no_redraw = false;
 590          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 591 }
 592
 593 void
 594 AudioTimeAxisView::show_all_xfades ()
 595 {
 596         AudioStreamView* asv = audio_view();
 597
 598         if (asv) {
 599                 asv->show_all_xfades ();
 600         }
 601 }
 602
 603 void
 604 AudioTimeAxisView::hide_all_xfades ()
 605 {
 606         AudioStreamView* asv = audio_view();
 607
 608         if (asv) {
 609                 asv->hide_all_xfades ();
 610         }
 611 }
 612
 613 void
 614 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 615 {
 616         AudioStreamView* asv = audio_view();
 617         AudioRegionView* rv;
 618
 619         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 620                 asv->hide_xfades_involving (*rv);
 621         }
 622 }
 623
 624 void
 625 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 626 {
 627         AudioStreamView* asv = audio_view();
 628         AudioRegionView* rv;
 629
 630         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 631                 asv->reveal_xfades_involving (*rv);
 632         }
 633 }
 634
 635 void
 636 AudioTimeAxisView::route_active_changed ()
 637 {
 638         RouteTimeAxisView::route_active_changed ();
 639         update_control_names ();
 640 }
 641
 642
 643 /**
 644  *    Set up the names of the controls so that they are coloured
 645  *    correctly depending on whether this route is inactive or
 646  *    selected.
 647  */
 648
 649 void
 650 AudioTimeAxisView::update_control_names ()
 651 {
 652         if (is_audio_track()) {
 653                 if (_route->active()) {
 654                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 655                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 656                 } else {
 657                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 658                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 659                 }
 660         } else {
 661                 if (_route->active()) {
 662                         controls_base_selected_name = "BusControlsBaseSelected";
 663                         controls_base_unselected_name = "BusControlsBaseUnselected";
 664                 } else {
 665                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 666                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 667                 }
 668         }
 669
 670         if (get_selected()) {
 671                 controls_ebox.set_name (controls_base_selected_name);
 672         } else {
 673                 controls_ebox.set_name (controls_base_unselected_name);
 674         }
 675 }
 676
 677 XMLNode*
 678 AudioTimeAxisView::get_child_xml_node (const string & childname)
 679 {
 680         return RouteUI::get_child_xml_node (childname);
 681 }
 682