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