gtk2_ardour/audio_time_axis.cc

   1 /*
   2     Copyright (C) 2000-2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <cstdlib>
  21 #include <cmath>
  22 #include <cassert>
  23
  24 #include <algorithm>
  25 #include <string>
  26 #include <vector>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include <pbd/error.h>
  31 #include <pbd/stl_delete.h>
  32 #include <pbd/memento_command.h>
  33
  34 #include <gtkmm2ext/gtk_ui.h>
  35 #include <gtkmm2ext/selector.h>
  36 #include <gtkmm2ext/stop_signal.h>
  37 #include <gtkmm2ext/bindable_button.h>
  38 #include <gtkmm2ext/utils.h>
  39
  40 #include <ardour/audioplaylist.h>
  41 #include <ardour/audio_diskstream.h>
  42 #include <ardour/insert.h>
  43 #include <ardour/location.h>
  44 #include <ardour/panner.h>
  45 #include <ardour/playlist.h>
  46 #include <ardour/profile.h>
  47 #include <ardour/session.h>
  48 #include <ardour/session_playlist.h>
  49 #include <ardour/utils.h>
  50
  51 #include "ardour_ui.h"
  52 #include "audio_time_axis.h"
  53 #include "automation_gain_line.h"
  54 #include "automation_pan_line.h"
  55 #include "canvas_impl.h"
  56 #include "crossfade_view.h"
  57 #include "enums.h"
  58 #include "gain_automation_time_axis.h"
  59 #include "keyboard.h"
  60 #include "pan_automation_time_axis.h"
  61 #include "playlist_selector.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "audio_region_view.h"
  65 #include "simplerect.h"
  66 #include "audio_streamview.h"
  67 #include "utils.h"
  68
  69 #include <ardour/audio_track.h>
  70
  71 #include "i18n.h"
  72
  73 using namespace ARDOUR;
  74 using namespace PBD;
  75 using namespace Gtk;
  76 using namespace Editing;
  77
  78 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  79         : AxisView(sess)
  80         , RouteTimeAxisView(ed, sess, rt, canvas)
  81 {
  82         // Make sure things are sane...
  83         assert(!is_track() || is_audio_track());
  84
  85         subplugin_menu.set_name ("ArdourContextMenu");
  86         gain_track = 0;
  87         pan_track = 0;
  88         waveform_item = 0;
  89         pan_automation_item = 0;
  90         gain_automation_item = 0;
  91
  92         _view = new AudioStreamView (*this);
  93
  94         add_gain_automation_child ();
  95         add_pan_automation_child ();
  96
  97         ignore_toggle = false;
  98
  99         if (is_audio_track())
 100                 controls_ebox.set_name ("AudioTimeAxisViewControlsBaseUnselected");
 101         else // bus
 102                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
 103
 104         ensure_xml_node ();
 105
 106         set_state (*xml_node);
 107
 108         _route->panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
 109
 110         update_control_names ();
 111
 112         if (is_audio_track()) {
 113
 114                 /* ask for notifications of any new RegionViews */
 115                 _view->RegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 116
 117                 if (!editor.have_idled()) {
 118                         /* first idle will do what we need */
 119                 } else {
 120                         first_idle ();
 121                 }
 122
 123         } else {
 124                 post_construct ();
 125         }
 126 }
 127
 128 AudioTimeAxisView::~AudioTimeAxisView ()
 129 {
 130 }
 131
 132 void
 133 AudioTimeAxisView::first_idle ()
 134 {
 135         _view->attach ();
 136         post_construct ();
 137 }
 138
 139 AudioStreamView*
 140 AudioTimeAxisView::audio_view()
 141 {
 142         return dynamic_cast<AudioStreamView*>(_view);
 143 }
 144
 145 guint32
 146 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 147 {
 148         ensure_xml_node ();
 149         xml_node->add_property ("shown_editor", "yes");
 150
 151         return TimeAxisView::show_at (y, nth, parent);
 152 }
 153
 154 void
 155 AudioTimeAxisView::hide ()
 156 {
 157         ensure_xml_node ();
 158         xml_node->add_property ("shown_editor", "no");
 159
 160         TimeAxisView::hide ();
 161 }
 162
 163 int
 164 AudioTimeAxisView::set_state (const XMLNode& node)
 165 {
 166         const XMLProperty *prop;
 167         int ret;
 168
 169         if ((ret = TimeAxisView::set_state (node)) != 0) {
 170                 return ret;
 171         }
 172
 173         /* if the TimeAxisView had marked this not for display,
 174            then do not allow this to override it.
 175         */
 176
 177         if ((prop = node.property ("marked_for_display")) == 0) {
 178                 if ((prop = node.property ("shown_editor")) != 0) {
 179                         if (prop->value() == "no") {
 180                                 _marked_for_display = false;
 181                         } else {
 182                                 _marked_for_display = true;
 183                         }
 184                 } else {
 185                         _marked_for_display = true;
 186                 }
 187         }
 188
 189         XMLNodeList nlist = node.children();
 190         XMLNodeConstIterator niter;
 191         XMLNode *child_node;
 192
 193
 194         show_gain_automation = false;
 195         show_pan_automation  = false;
 196
 197         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 198                 child_node = *niter;
 199
 200                 if (child_node->name() == "gain") {
 201                         XMLProperty *prop=child_node->property ("shown");
 202
 203                         if (prop != 0) {
 204                                 if (string_is_affirmative (prop->value())) {
 205                                         show_gain_automation = true;
 206                                 }
 207                         }
 208                         continue;
 209                 }
 210
 211                 if (child_node->name() == "pan") {
 212                         XMLProperty *prop=child_node->property ("shown");
 213
 214                         if (prop != 0) {
 215                                 if (string_is_affirmative (prop->value())) {
 216                                         show_pan_automation = true;
 217                                 }
 218                         }
 219                         continue;
 220                 }
 221         }
 222
 223         return 0;
 224 }
 225
 226 void
 227 AudioTimeAxisView::build_automation_action_menu ()
 228 {
 229         using namespace Menu_Helpers;
 230
 231         RouteTimeAxisView::build_automation_action_menu ();
 232
 233         MenuList& automation_items = automation_action_menu->items();
 234
 235         automation_items.push_back (SeparatorElem());
 236
 237         automation_items.push_back (CheckMenuElem (_("Fader"),
 238                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 239         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 240         gain_automation_item->set_active(show_gain_automation);
 241
 242         automation_items.push_back (CheckMenuElem (_("Pan"),
 243                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 244         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 245         pan_automation_item->set_active(show_pan_automation);
 246
 247 }
 248
 249 void
 250 AudioTimeAxisView::append_extra_display_menu_items ()
 251 {
 252         using namespace Menu_Helpers;
 253
 254         MenuList& items = display_menu->items();
 255
 256         // crossfade stuff
 257         if (!Profile->get_sae()) {
 258                 items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 259                 items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 260         }
 261
 262         // waveform menu
 263         Menu *waveform_menu = manage(new Menu);
 264         MenuList& waveform_items = waveform_menu->items();
 265         waveform_menu->set_name ("ArdourContextMenu");
 266
 267         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_scale() == LogWaveform)
 280                         logscale_item->set_active(true);
 281                 else linearscale_item->set_active(true);
 282                 ignore_toggle = false;
 283         }
 284
 285         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 286 }
 287
 288 void
 289 AudioTimeAxisView::toggle_waveforms ()
 290 {
 291         AudioStreamView* asv = audio_view();
 292         assert(asv);
 293
 294         if (asv && waveform_item && !ignore_toggle) {
 295                 asv->set_show_waveforms (waveform_item->get_active());
 296         }
 297 }
 298
 299 void
 300 AudioTimeAxisView::set_show_waveforms (bool yn)
 301 {
 302         AudioStreamView* asv = audio_view();
 303         assert(asv);
 304
 305         if (waveform_item) {
 306                 waveform_item->set_active (yn);
 307         } else {
 308                 asv->set_show_waveforms (yn);
 309         }
 310 }
 311
 312 void
 313 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 314 {
 315         AudioStreamView* asv = audio_view();
 316
 317         if (asv) {
 318                 asv->set_show_waveforms_recording (yn);
 319         }
 320 }
 321
 322 void
 323 AudioTimeAxisView::set_show_waveforms_rectified (bool yn)
 324 {
 325         AudioStreamView* asv = audio_view();
 326
 327         if (asv) {
 328                 asv->set_waveform_shape ( yn ?  Rectified : Traditional );
 329         }
 330 }
 331
 332 void
 333 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 334 {
 335         AudioStreamView* asv = audio_view();
 336
 337         if (asv && !ignore_toggle) {
 338                 asv->set_waveform_shape (shape);
 339         }
 340
 341         map_frozen ();
 342 }
 343
 344 void
 345 AudioTimeAxisView::set_waveform_scale (WaveformScale scale)
 346 {
 347         AudioStreamView* asv = audio_view();
 348
 349         if (asv && !ignore_toggle) {
 350                 asv->set_waveform_scale (scale);
 351         }
 352
 353         map_frozen ();
 354 }
 355
 356 void
 357 AudioTimeAxisView::add_gain_automation_child ()
 358 {
 359         XMLProperty* prop;
 360         AutomationLine* line;
 361
 362         gain_track = new GainAutomationTimeAxisView (_session,
 363                                                      _route,
 364                                                      editor,
 365                                                      *this,
 366                                                      parent_canvas,
 367                                                      _("Fader"),
 368                                                      _route->gain_automation_curve());
 369
 370         line = new AutomationGainLine ("automation gain",
 371                                        _session,
 372                                        *gain_track,
 373                                        *gain_track->canvas_display,
 374                                        _route->gain_automation_curve());
 375
 376         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 377
 378
 379         gain_track->add_line (*line);
 380
 381         add_child (gain_track);
 382
 383         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
 384
 385         bool hideit = true;
 386
 387         XMLNode* node;
 388
 389         if ((node = gain_track->get_state_node()) != 0) {
 390                 if  ((prop = node->property ("shown")) != 0) {
 391                         if (string_is_affirmative (prop->value())) {
 392                                 hideit = false;
 393                         }
 394                 }
 395         }
 396
 397         if (hideit) {
 398                 gain_track->hide ();
 399         }
 400 }
 401
 402 void
 403 AudioTimeAxisView::add_pan_automation_child ()
 404 {
 405         XMLProperty* prop;
 406
 407         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("Pan"));
 408
 409         update_pans ();
 410
 411         add_child (pan_track);
 412
 413         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
 414
 415         ensure_xml_node ();
 416         bool hideit = true;
 417
 418         XMLNode* node;
 419
 420         if ((node = pan_track->get_state_node()) != 0) {
 421                 if ((prop = node->property ("shown")) != 0) {
 422                         if (string_is_affirmative (prop->value())) {
 423                                 hideit = false;
 424                         }
 425                 }
 426         }
 427
 428         if (hideit) {
 429                 pan_track->hide ();
 430         }
 431 }
 432
 433 void
 434 AudioTimeAxisView::update_pans ()
 435 {
 436         Panner::iterator p;
 437
 438         pan_track->clear_lines ();
 439
 440         /* we don't draw lines for "greater than stereo" panning.
 441          */
 442
 443         if (_route->n_outputs() > 2) {
 444                 return;
 445         }
 446
 447         for (p = _route->panner().begin(); p != _route->panner().end(); ++p) {
 448
 449                 AutomationLine* line;
 450
 451                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
 452                                               *pan_track->canvas_display,
 453                                               (*p)->automation());
 454
 455                 if (p == _route->panner().begin()) {
 456                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 457                 } else {
 458                         line->set_line_color (ARDOUR_UI::config()->canvasvar_AutomationLine.get());
 459                 }
 460
 461                 pan_track->add_line (*line);
 462         }
 463 }
 464
 465 void
 466 AudioTimeAxisView::toggle_gain_track ()
 467 {
 468         bool showit = gain_automation_item->get_active();
 469
 470         if (showit != gain_track->marked_for_display()) {
 471                 if (showit) {
 472                         gain_track->set_marked_for_display (true);
 473                         gain_track->canvas_display->show();
 474                         gain_track->canvas_background->show();
 475                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 476                 } else {
 477                         gain_track->set_marked_for_display (false);
 478                         gain_track->hide ();
 479                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 480                 }
 481
 482                 /* now trigger a redisplay */
 483
 484                 if (!no_redraw) {
 485                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 486                 }
 487         }
 488 }
 489
 490 void
 491 AudioTimeAxisView::gain_hidden ()
 492 {
 493         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 494
 495         if (gain_automation_item && !_hidden) {
 496                 gain_automation_item->set_active (false);
 497         }
 498
 499          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 500 }
 501
 502 void
 503 AudioTimeAxisView::toggle_pan_track ()
 504 {
 505         bool showit = pan_automation_item->get_active();
 506
 507         if (showit != pan_track->marked_for_display()) {
 508                 if (showit) {
 509                         pan_track->set_marked_for_display (true);
 510                         pan_track->canvas_display->show();
 511                         pan_track->canvas_background->show();
 512                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
 513                 } else {
 514                         pan_track->set_marked_for_display (false);
 515                         pan_track->hide ();
 516                         pan_track->get_state_node()->add_property ("shown", X_("no"));
 517                 }
 518
 519                 /* now trigger a redisplay */
 520
 521                 if (!no_redraw) {
 522                          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 523                 }
 524         }
 525 }
 526
 527 void
 528 AudioTimeAxisView::pan_hidden ()
 529 {
 530         pan_track->get_state_node()->add_property ("shown", "no");
 531
 532         if (pan_automation_item && !_hidden) {
 533                 pan_automation_item->set_active (false);
 534         }
 535
 536          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 537 }
 538
 539 void
 540 AudioTimeAxisView::show_all_automation ()
 541 {
 542         no_redraw = true;
 543
 544         pan_automation_item->set_active (true);
 545         gain_automation_item->set_active (true);
 546
 547         RouteTimeAxisView::show_all_automation ();
 548
 549         no_redraw = false;
 550
 551          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 552 }
 553
 554 void
 555 AudioTimeAxisView::show_existing_automation ()
 556 {
 557         no_redraw = true;
 558
 559         pan_automation_item->set_active (true);
 560         gain_automation_item->set_active (true);
 561
 562         RouteTimeAxisView::show_existing_automation ();
 563
 564         no_redraw = false;
 565
 566          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 567 }
 568
 569 void
 570 AudioTimeAxisView::hide_all_automation ()
 571 {
 572         no_redraw = true;
 573
 574         pan_automation_item->set_active (false);
 575         gain_automation_item->set_active (false);
 576
 577         RouteTimeAxisView::hide_all_automation();
 578
 579         no_redraw = false;
 580          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 581 }
 582
 583 void
 584 AudioTimeAxisView::show_all_xfades ()
 585 {
 586         AudioStreamView* asv = audio_view();
 587
 588         if (asv) {
 589                 asv->show_all_xfades ();
 590         }
 591 }
 592
 593 void
 594 AudioTimeAxisView::hide_all_xfades ()
 595 {
 596         AudioStreamView* asv = audio_view();
 597
 598         if (asv) {
 599                 asv->hide_all_xfades ();
 600         }
 601 }
 602
 603 void
 604 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 605 {
 606         AudioStreamView* asv = audio_view();
 607         AudioRegionView* rv;
 608
 609         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 610                 asv->hide_xfades_involving (*rv);
 611         }
 612 }
 613
 614 void
 615 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 616 {
 617         AudioStreamView* asv = audio_view();
 618         AudioRegionView* rv;
 619
 620         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 621                 asv->reveal_xfades_involving (*rv);
 622         }
 623 }
 624
 625 void
 626 AudioTimeAxisView::route_active_changed ()
 627 {
 628         RouteTimeAxisView::route_active_changed ();
 629         update_control_names ();
 630 }
 631
 632
 633 /**
 634  *    Set up the names of the controls so that they are coloured
 635  *    correctly depending on whether this route is inactive or
 636  *    selected.
 637  */
 638
 639 void
 640 AudioTimeAxisView::update_control_names ()
 641 {
 642         if (is_audio_track()) {
 643                 if (_route->active()) {
 644                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 645                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 646                 } else {
 647                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 648                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 649                 }
 650         } else {
 651                 if (_route->active()) {
 652                         controls_base_selected_name = "BusControlsBaseSelected";
 653                         controls_base_unselected_name = "BusControlsBaseUnselected";
 654                 } else {
 655                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 656                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 657                 }
 658         }
 659
 660         if (get_selected()) {
 661                 controls_ebox.set_name (controls_base_selected_name);
 662         } else {
 663                 controls_ebox.set_name (controls_base_unselected_name);
 664         }
 665 }
 666
 667 XMLNode*
 668 AudioTimeAxisView::get_child_xml_node (const string & childname)
 669 {
 670         return RouteUI::get_child_xml_node (childname);
 671 }
 672