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     $Id$
  19 */
  20
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <cassert>
  24
  25 #include <algorithm>
  26 #include <string>
  27 #include <vector>
  28
  29 #include <sigc++/bind.h>
  30
  31 #include <pbd/error.h>
  32 #include <pbd/stl_delete.h>
  33 #include <pbd/memento_command.h>
  34
  35 #include <gtkmm2ext/gtk_ui.h>
  36 #include <gtkmm2ext/selector.h>
  37 #include <gtkmm2ext/stop_signal.h>
  38 #include <gtkmm2ext/bindable_button.h>
  39 #include <gtkmm2ext/utils.h>
  40
  41 #include <ardour/audioplaylist.h>
  42 #include <ardour/audio_diskstream.h>
  43 #include <ardour/insert.h>
  44 #include <ardour/location.h>
  45 #include <ardour/panner.h>
  46 #include <ardour/playlist.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         if (is_audio_track()) {
 112
 113                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
 114                 controls_base_selected_name = "AudioTrackControlsBaseSelected";
 115                 controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 116
 117                 /* ask for notifications of any new RegionViews */
 118                 _view->RegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 119                 _view->attach ();
 120
 121         } else { /* bus */
 122
 123                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
 124                 controls_base_selected_name = "AudioBusControlsBaseSelected";
 125                 controls_base_unselected_name = "AudioBusControlsBaseUnselected";
 126         }
 127
 128         post_construct ();
 129 }
 130
 131 AudioTimeAxisView::~AudioTimeAxisView ()
 132 {
 133 }
 134
 135 AudioStreamView*
 136 AudioTimeAxisView::audio_view()
 137 {
 138         return dynamic_cast<AudioStreamView*>(_view);
 139 }
 140
 141 guint32
 142 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 143 {
 144         ensure_xml_node ();
 145         xml_node->add_property ("shown_editor", "yes");
 146
 147         return TimeAxisView::show_at (y, nth, parent);
 148 }
 149
 150 void
 151 AudioTimeAxisView::hide ()
 152 {
 153         ensure_xml_node ();
 154         xml_node->add_property ("shown_editor", "no");
 155
 156         TimeAxisView::hide ();
 157 }
 158
 159 void
 160 AudioTimeAxisView::set_state (const XMLNode& node)
 161 {
 162         const XMLProperty *prop;
 163
 164         TimeAxisView::set_state (node);
 165
 166         if ((prop = node.property ("shown_editor")) != 0) {
 167                 if (prop->value() == "no") {
 168                         _marked_for_display = false;
 169                 } else {
 170                         _marked_for_display = true;
 171                 }
 172         } else {
 173                 _marked_for_display = true;
 174         }
 175
 176         XMLNodeList nlist = node.children();
 177         XMLNodeConstIterator niter;
 178         XMLNode *child_node;
 179
 180
 181         show_gain_automation = false;
 182         show_pan_automation  = false;
 183
 184         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 185                 child_node = *niter;
 186
 187                 if (child_node->name() == "gain") {
 188                         XMLProperty *prop=child_node->property ("shown");
 189
 190                         if (prop != 0) {
 191                                 if (prop->value() == "yes") {
 192                                         show_gain_automation = true;
 193                                 }
 194                         }
 195                         continue;
 196                 }
 197
 198                 if (child_node->name() == "pan") {
 199                         XMLProperty *prop=child_node->property ("shown");
 200
 201                         if (prop != 0) {
 202                                 if (prop->value() == "yes") {
 203                                         show_pan_automation = true;
 204                                 }
 205                         }
 206                         continue;
 207                 }
 208         }
 209 }
 210
 211 void
 212 AudioTimeAxisView::build_automation_action_menu ()
 213 {
 214         using namespace Menu_Helpers;
 215
 216         RouteTimeAxisView::build_automation_action_menu ();
 217
 218         MenuList& automation_items = automation_action_menu->items();
 219
 220         automation_items.push_back (SeparatorElem());
 221
 222         automation_items.push_back (CheckMenuElem (_("Fader"),
 223                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 224         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 225         gain_automation_item->set_active(show_gain_automation);
 226
 227         automation_items.push_back (CheckMenuElem (_("Pan"),
 228                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 229         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 230         pan_automation_item->set_active(show_pan_automation);
 231
 232 }
 233
 234 void
 235 AudioTimeAxisView::append_extra_display_menu_items ()
 236 {
 237         using namespace Menu_Helpers;
 238
 239         MenuList& items = display_menu->items();
 240
 241         // crossfade stuff
 242         items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 243         items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 244
 245         // waveform menu
 246         Menu *waveform_menu = manage(new Menu);
 247         MenuList& waveform_items = waveform_menu->items();
 248         waveform_menu->set_name ("ArdourContextMenu");
 249
 250         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 251         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 252         ignore_toggle = true;
 253         waveform_item->set_active (editor.show_waveforms());
 254         ignore_toggle = false;
 255
 256         waveform_items.push_back (SeparatorElem());
 257
 258         RadioMenuItem::Group group;
 259
 260         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 261         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 262
 263         waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 264         rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 265
 266         waveform_items.push_back (SeparatorElem());
 267
 268         RadioMenuItem::Group group2;
 269
 270         waveform_items.push_back (RadioMenuElem (group2, _("Linear"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LinearWaveform)));
 271         linearscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 272
 273         waveform_items.push_back (RadioMenuElem (group2, _("Logarithmic"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_scale), LogWaveform)));
 274         logscale_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 275
 276         // setting initial item state
 277         AudioStreamView* asv = audio_view();
 278         if (asv) {
 279                 ignore_toggle = true;
 280                 if (asv->get_waveform_shape() == Rectified)
 281                         rectified_item->set_active(true);
 282                 else traditional_item->set_active(true);
 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 (color_map[cAutomationLine]);
 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                         /* first line is a nice orange */
 452                         line->set_line_color (color_map[cLeftPanAutomationLine]);
 453                 } else {
 454                         /* second line is a nice blue */
 455                         line->set_line_color (color_map[cRightPanAutomationLine]);
 456                 }
 457
 458                 pan_track->add_line (*line);
 459         }
 460 }
 461
 462 void
 463 AudioTimeAxisView::toggle_gain_track ()
 464 {
 465
 466         bool showit = gain_automation_item->get_active();
 467
 468         if (showit != gain_track->marked_for_display()) {
 469                 if (showit) {
 470                         gain_track->set_marked_for_display (true);
 471                         gain_track->canvas_display->show();
 472                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 473                 } else {
 474                         gain_track->set_marked_for_display (false);
 475                         gain_track->hide ();
 476                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 477                 }
 478
 479                 /* now trigger a redisplay */
 480
 481                 if (!no_redraw) {
 482                          _route->gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
 483                 }
 484         }
 485 }
 486
 487 void
 488 AudioTimeAxisView::gain_hidden ()
 489 {
 490         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 491
 492         if (gain_automation_item && !_hidden) {
 493                 gain_automation_item->set_active (false);
 494         }
 495
 496          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 497 }
 498
 499 void
 500 AudioTimeAxisView::toggle_pan_track ()
 501 {
 502         bool showit = pan_automation_item->get_active();
 503
 504         if (showit != pan_track->marked_for_display()) {
 505                 if (showit) {
 506                         pan_track->set_marked_for_display (true);
 507                         pan_track->canvas_display->show();
 508                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
 509                 } else {
 510                         pan_track->set_marked_for_display (false);
 511                         pan_track->hide ();
 512                         pan_track->get_state_node()->add_property ("shown", X_("no"));
 513                 }
 514
 515                 /* now trigger a redisplay */
 516
 517                 if (!no_redraw) {
 518                          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 519                 }
 520         }
 521 }
 522
 523 void
 524 AudioTimeAxisView::pan_hidden ()
 525 {
 526         pan_track->get_state_node()->add_property ("shown", "no");
 527
 528         if (pan_automation_item && !_hidden) {
 529                 pan_automation_item->set_active (false);
 530         }
 531
 532          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 533 }
 534
 535 void
 536 AudioTimeAxisView::show_all_automation ()
 537 {
 538         no_redraw = true;
 539
 540         pan_automation_item->set_active (true);
 541         gain_automation_item->set_active (true);
 542
 543         RouteTimeAxisView::show_all_automation ();
 544
 545         no_redraw = false;
 546
 547          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 548 }
 549
 550 void
 551 AudioTimeAxisView::show_existing_automation ()
 552 {
 553         no_redraw = true;
 554
 555         pan_automation_item->set_active (true);
 556         gain_automation_item->set_active (true);
 557
 558         RouteTimeAxisView::show_existing_automation ();
 559
 560         no_redraw = false;
 561
 562          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 563 }
 564
 565 void
 566 AudioTimeAxisView::hide_all_automation ()
 567 {
 568         no_redraw = true;
 569
 570         pan_automation_item->set_active (false);
 571         gain_automation_item->set_active (false);
 572
 573         RouteTimeAxisView::hide_all_automation();
 574
 575         no_redraw = false;
 576          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 577 }
 578
 579 void
 580 AudioTimeAxisView::show_all_xfades ()
 581 {
 582         AudioStreamView* asv = audio_view();
 583
 584         if (asv) {
 585                 asv->show_all_xfades ();
 586         }
 587 }
 588
 589 void
 590 AudioTimeAxisView::hide_all_xfades ()
 591 {
 592         AudioStreamView* asv = audio_view();
 593
 594         if (asv) {
 595                 asv->hide_all_xfades ();
 596         }
 597 }
 598
 599 void
 600 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 601 {
 602         AudioStreamView* asv = audio_view();
 603         AudioRegionView* rv;
 604
 605         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 606                 asv->hide_xfades_involving (*rv);
 607         }
 608 }
 609
 610 void
 611 AudioTimeAxisView::reveal_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->reveal_xfades_involving (*rv);
 618         }
 619 }
 620
 621 void
 622 AudioTimeAxisView::route_active_changed ()
 623 {
 624         RouteTimeAxisView::route_active_changed ();
 625
 626         if (is_audio_track()) {
 627                 if (_route->active()) {
 628                         controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
 629                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 630                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 631                 } else {
 632                         controls_ebox.set_name ("AudioTrackControlsBaseInactiveUnselected");
 633                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 634                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 635                 }
 636         } else {
 637                 if (_route->active()) {
 638                         controls_ebox.set_name ("BusControlsBaseUnselected");
 639                         controls_base_selected_name = "BusControlsBaseSelected";
 640                         controls_base_unselected_name = "BusControlsBaseUnselected";
 641                 } else {
 642                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
 643                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 644                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 645                 }
 646         }
 647 }
 648
 649 XMLNode*
 650 AudioTimeAxisView::get_child_xml_node (const string & childname)
 651 {
 652         return RouteUI::get_child_xml_node (childname);
 653 }
 654