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