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