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/bindable_button.h>
  37 #include <gtkmm2ext/utils.h>
  38
  39 #include "ardour/amp.h"
  40 #include "ardour/audioplaylist.h"
  41 #include "ardour/event_type_map.h"
  42 #include "ardour/location.h"
  43 #include "ardour/pannable.h"
  44 #include "ardour/panner.h"
  45 #include "ardour/panner_shell.h"
  46 #include "ardour/playlist.h"
  47 #include "ardour/processor.h"
  48 #include "ardour/profile.h"
  49 #include "ardour/session.h"
  50 #include "ardour/session_playlist.h"
  51 #include "ardour/utils.h"
  52
  53 #include "ardour_ui.h"
  54 #include "audio_time_axis.h"
  55 #include "automation_line.h"
  56 #include "canvas_impl.h"
  57 #include "crossfade_view.h"
  58 #include "enums.h"
  59 #include "gui_thread.h"
  60 #include "automation_time_axis.h"
  61 #include "keyboard.h"
  62 #include "playlist_selector.h"
  63 #include "prompter.h"
  64 #include "public_editor.h"
  65 #include "audio_region_view.h"
  66 #include "simplerect.h"
  67 #include "audio_streamview.h"
  68 #include "utils.h"
  69
  70 #include "ardour/audio_track.h"
  71
  72 #include "i18n.h"
  73
  74 using namespace std;
  75 using namespace ARDOUR;
  76 using namespace PBD;
  77 using namespace Gtk;
  78 using namespace Editing;
  79
  80 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  81         : AxisView(sess)
  82         , RouteTimeAxisView(ed, sess, rt, canvas)
  83 {
  84         // Make sure things are sane...
  85         assert(!is_track() || is_audio_track());
  86
  87         subplugin_menu.set_name ("ArdourContextMenu");
  88
  89         _view = new AudioStreamView (*this);
  90
  91         ignore_toggle = false;
  92
  93         mute_button->set_active (false);
  94         solo_button->set_active (false);
  95
  96         if (is_audio_track()) {
  97                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
  98         } else { // bus
  99                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
 100         }
 101
 102         ensure_xml_node ();
 103
 104         set_state (*xml_node, Stateful::loading_state_version);
 105
 106         /* if set_state above didn't create a gain automation child, we need to make one */
 107         if (automation_child (GainAutomation) == 0) {
 108                 create_automation_child (GainAutomation, false);
 109         }
 110
 111         if (_route->panner()) {
 112                 _route->panner_shell()->Changed.connect (*this, invalidator (*this),
 113                                                          boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 114         }
 115
 116         /* map current state of the route */
 117
 118         processors_changed (RouteProcessorChange ());
 119         reset_processor_automation_curves ();
 120         ensure_pan_views (false);
 121         update_control_names ();
 122
 123         if (is_audio_track()) {
 124
 125                 /* ask for notifications of any new RegionViews */
 126                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 127
 128                 if (!_editor.have_idled()) {
 129                         /* first idle will do what we need */
 130                 } else {
 131                         first_idle ();
 132                 }
 133
 134         } else {
 135                 post_construct ();
 136         }
 137 }
 138
 139 AudioTimeAxisView::~AudioTimeAxisView ()
 140 {
 141 }
 142
 143 void
 144 AudioTimeAxisView::first_idle ()
 145 {
 146         _view->attach ();
 147         post_construct ();
 148 }
 149
 150 AudioStreamView*
 151 AudioTimeAxisView::audio_view()
 152 {
 153         return dynamic_cast<AudioStreamView*>(_view);
 154 }
 155
 156 guint32
 157 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 158 {
 159         ensure_xml_node ();
 160         xml_node->add_property ("shown-editor", "yes");
 161
 162         return TimeAxisView::show_at (y, nth, parent);
 163 }
 164
 165 void
 166 AudioTimeAxisView::hide ()
 167 {
 168         ensure_xml_node ();
 169         xml_node->add_property ("shown-editor", "no");
 170
 171         TimeAxisView::hide ();
 172 }
 173
 174
 175 void
 176 AudioTimeAxisView::append_extra_display_menu_items ()
 177 {
 178         using namespace Menu_Helpers;
 179
 180         MenuList& items = display_menu->items();
 181
 182         // crossfade stuff
 183         if (!Profile->get_sae() && is_track ()) {
 184                 items.push_back (MenuElem (_("Hide All Crossfades"), sigc::bind (sigc::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades), true)));
 185                 items.push_back (MenuElem (_("Show All Crossfades"), sigc::bind (sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades), true)));
 186                 items.push_back (SeparatorElem ());
 187         }
 188 }
 189
 190 void
 191 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 192 {
 193         if (param.type() == NullAutomation) {
 194                 cerr << "WARNING: Attempt to create NullAutomation child, ignoring" << endl;
 195                 return;
 196         }
 197
 198         AutomationTracks::iterator existing = _automation_tracks.find (param);
 199
 200         if (existing != _automation_tracks.end()) {
 201
 202                 /* automation track created because we had existing data for
 203                  * the processor, but visibility may need to be controlled
 204                  * since it will have been set visible by default.
 205                  */
 206
 207                 existing->second->set_visibility (show);
 208
 209                 if (!no_redraw) {
 210                         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 211                 }
 212
 213                 return;
 214         }
 215
 216         if (param.type() == GainAutomation) {
 217
 218                 create_gain_automation_child (param, show);
 219
 220         } else if (param.type() == PanWidthAutomation ||
 221                    param.type() == PanElevationAutomation ||
 222                    param.type() == PanAzimuthAutomation) {
 223
 224                 ensure_xml_node ();
 225                 ensure_pan_views (show);
 226
 227         } else if (param.type() == PluginAutomation) {
 228
 229                 /* handled elsewhere */
 230
 231         } else {
 232                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 233         }
 234 }
 235
 236 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 237  *  panners that we have.
 238  *
 239  *  @param show true to show any new views that we create, otherwise false.
 240  */
 241 void
 242 AudioTimeAxisView::ensure_pan_views (bool show)
 243 {
 244         if (!_route->panner()) {
 245                 return;
 246         }
 247
 248         set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
 249         set<Evoral::Parameter>::iterator p;
 250
 251         for (p = params.begin(); p != params.end(); ++p) {
 252                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
 253
 254                 if (pan_control->parameter().type() == NullAutomation) {
 255                         error << "Pan control has NULL automation type!" << endmsg;
 256                         continue;
 257                 }
 258
 259                 if (automation_child (pan_control->parameter ()).get () == 0) {
 260
 261                         /* we don't already have an AutomationTimeAxisView for this parameter */
 262
 263                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 264
 265                         boost::shared_ptr<AutomationTimeAxisView> t (
 266                                 new AutomationTimeAxisView (_session,
 267                                                             _route,
 268                                                             _route->pannable(),
 269                                                             pan_control,
 270                                                             pan_control->parameter (),
 271                                                             _editor,
 272                                                             *this,
 273                                                             false,
 274                                                             parent_canvas,
 275                                                             name)
 276                                 );
 277
 278                         pan_tracks.push_back (t);
 279                         add_automation_child (*p, t, show);
 280                 }
 281         }
 282 }
 283
 284 void
 285 AudioTimeAxisView::update_gain_track_visibility ()
 286 {
 287         bool const showit = gain_automation_item->get_active();
 288
 289         if (showit != gain_track->marked_for_display()) {
 290                 gain_track->set_visibility (showit);
 291
 292                 /* now trigger a redisplay */
 293
 294                 if (!no_redraw) {
 295                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 296                 }
 297         }
 298 }
 299
 300 void
 301 AudioTimeAxisView::update_pan_track_visibility ()
 302 {
 303         bool const showit = pan_automation_item->get_active();
 304
 305         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 306
 307                 if (showit != (*i)->marked_for_display()) {
 308                         (*i)->set_visibility (showit);
 309                         /* now trigger a redisplay */
 310                         if (!no_redraw) {
 311                                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 312                         }
 313                 }
 314         }
 315 }
 316
 317 void
 318 AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 319 {
 320         if (apply_to_selection) {
 321                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
 322         } else {
 323
 324                 no_redraw = true;
 325
 326                 RouteTimeAxisView::show_all_automation ();
 327
 328                 no_redraw = false;
 329
 330                 _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 331         }
 332 }
 333
 334 void
 335 AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 336 {
 337         if (apply_to_selection) {
 338                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
 339         } else {
 340                 no_redraw = true;
 341
 342                 RouteTimeAxisView::show_existing_automation ();
 343
 344                 no_redraw = false;
 345
 346                 _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 347         }
 348 }
 349
 350 void
 351 AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 352 {
 353         if (apply_to_selection) {
 354                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
 355         } else {
 356                 no_redraw = true;
 357
 358                 RouteTimeAxisView::hide_all_automation();
 359
 360                 no_redraw = false;
 361                 _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 362         }
 363 }
 364
 365 void
 366 AudioTimeAxisView::show_all_xfades (bool apply_to_selection)
 367 {
 368         if (apply_to_selection) {
 369                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_xfades, _1, false));
 370         } else {
 371                 AudioStreamView* asv = audio_view ();
 372                 if (asv) {
 373                         asv->show_all_xfades ();
 374                 }
 375         }
 376 }
 377
 378 void
 379 AudioTimeAxisView::hide_all_xfades (bool apply_to_selection)
 380 {
 381         if (apply_to_selection) {
 382                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_xfades, _1, false));
 383         } else {
 384                 AudioStreamView* asv = audio_view ();
 385                 if (asv) {
 386                         asv->hide_all_xfades ();
 387                 }
 388         }
 389 }
 390
 391 void
 392 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 393 {
 394         AudioStreamView* asv = audio_view();
 395         AudioRegionView* rv;
 396
 397         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 398                 asv->hide_xfades_involving (*rv);
 399         }
 400 }
 401
 402 void
 403 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 404 {
 405         AudioStreamView* asv = audio_view();
 406         AudioRegionView* rv;
 407
 408         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 409                 asv->reveal_xfades_involving (*rv);
 410         }
 411 }
 412
 413 void
 414 AudioTimeAxisView::route_active_changed ()
 415 {
 416         update_control_names ();
 417 }
 418
 419
 420 /**
 421  *    Set up the names of the controls so that they are coloured
 422  *    correctly depending on whether this route is inactive or
 423  *    selected.
 424  */
 425
 426 void
 427 AudioTimeAxisView::update_control_names ()
 428 {
 429         if (is_audio_track()) {
 430                 if (_route->active()) {
 431                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 432                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 433                 } else {
 434                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 435                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 436                 }
 437         } else {
 438                 if (_route->active()) {
 439                         controls_base_selected_name = "BusControlsBaseSelected";
 440                         controls_base_unselected_name = "BusControlsBaseUnselected";
 441                 } else {
 442                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 443                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 444                 }
 445         }
 446
 447         if (get_selected()) {
 448                 controls_ebox.set_name (controls_base_selected_name);
 449         } else {
 450                 controls_ebox.set_name (controls_base_unselected_name);
 451         }
 452 }
 453
 454 void
 455 AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 456 {
 457         using namespace Menu_Helpers;
 458
 459         RouteTimeAxisView::build_automation_action_menu (for_selection);
 460
 461         MenuList& automation_items = automation_action_menu->items ();
 462
 463         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 464         gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 465         gain_automation_item->set_active (gain_track->marked_for_display () && (!for_selection || _editor.get_selection().tracks.size() == 1));
 466
 467         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 468
 469         automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 470         pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 471         pan_automation_item->set_active (pan_tracks.front()->marked_for_display () && (!for_selection || _editor.get_selection().tracks.size() == 1));
 472
 473         set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 474         for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 475                 _main_automation_menu_map[*p] = pan_automation_item;
 476         }
 477 }
 478
 479 void
 480 AudioTimeAxisView::enter_internal_edit_mode ()
 481 {
 482         if (audio_view()) {
 483                 audio_view()->enter_internal_edit_mode ();
 484         }
 485 }
 486
 487 void
 488 AudioTimeAxisView::leave_internal_edit_mode ()
 489 {
 490         if (audio_view()) {
 491                 audio_view()->leave_internal_edit_mode ();
 492         }
 493 }