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/panner.h"
  44 #include "ardour/playlist.h"
  45 #include "ardour/processor.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_line.h"
  54 #include "canvas_impl.h"
  55 #include "crossfade_view.h"
  56 #include "enums.h"
  57 #include "gui_thread.h"
  58 #include "automation_time_axis.h"
  59 #include "keyboard.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 std;
  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
  87         _view = new AudioStreamView (*this);
  88
  89         ignore_toggle = false;
  90
  91         mute_button->set_active (false);
  92         solo_button->set_active (false);
  93
  94         if (is_audio_track()) {
  95                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
  96         } else { // bus
  97                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
  98         }
  99
 100         ensure_xml_node ();
 101
 102         set_state (*xml_node, Stateful::loading_state_version);
 103
 104         /* if set_state above didn't create a gain automation child, we need to make one */
 105         if (automation_child (GainAutomation) == 0) {
 106                 create_automation_child (GainAutomation, false);
 107         }
 108
 109         if (_route->panner()) {
 110                 _route->panner()->Changed.connect (*this, invalidator (*this),
 111                                                    boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 112         }
 113
 114         /* map current state of the route */
 115
 116         processors_changed (RouteProcessorChange ());
 117         reset_processor_automation_curves ();
 118         ensure_pan_views (false);
 119         update_control_names ();
 120
 121         if (is_audio_track()) {
 122
 123                 /* ask for notifications of any new RegionViews */
 124                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 125
 126                 if (!_editor.have_idled()) {
 127                         /* first idle will do what we need */
 128                 } else {
 129                         first_idle ();
 130                 }
 131
 132         } else {
 133                 post_construct ();
 134         }
 135 }
 136
 137 AudioTimeAxisView::~AudioTimeAxisView ()
 138 {
 139 }
 140
 141 void
 142 AudioTimeAxisView::first_idle ()
 143 {
 144         _view->attach ();
 145         post_construct ();
 146 }
 147
 148 AudioStreamView*
 149 AudioTimeAxisView::audio_view()
 150 {
 151         return dynamic_cast<AudioStreamView*>(_view);
 152 }
 153
 154 guint32
 155 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 156 {
 157         ensure_xml_node ();
 158         xml_node->add_property ("shown-editor", "yes");
 159
 160         return TimeAxisView::show_at (y, nth, parent);
 161 }
 162
 163 void
 164 AudioTimeAxisView::hide ()
 165 {
 166         ensure_xml_node ();
 167         xml_node->add_property ("shown-editor", "no");
 168
 169         TimeAxisView::hide ();
 170 }
 171
 172
 173 void
 174 AudioTimeAxisView::append_extra_display_menu_items ()
 175 {
 176         using namespace Menu_Helpers;
 177
 178         MenuList& items = display_menu->items();
 179
 180         // crossfade stuff
 181         if (!Profile->get_sae()) {
 182                 items.push_back (MenuElem (_("Hide All Crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 183                 items.push_back (MenuElem (_("Show All Crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 184         }
 185 }
 186
 187 void
 188 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 189 {
 190         if (param.type() == GainAutomation) {
 191
 192                 create_gain_automation_child (param, show);
 193
 194         } else if (param.type() == PanAutomation) {
 195
 196                 ensure_xml_node ();
 197                 ensure_pan_views (show);
 198
 199         } else if (param.type() == PluginAutomation) {
 200
 201                 /* handled elsewhere */
 202
 203         } else {
 204                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 205         }
 206 }
 207
 208 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 209  *  panners that we have.
 210  *
 211  *  @param show true to show any new views that we create, otherwise false.
 212  */
 213 void
 214 AudioTimeAxisView::ensure_pan_views (bool show)
 215 {
 216         if (!_route->panner()) {
 217                 return;
 218         }
 219
 220         const set<Evoral::Parameter>& params = _route->panner()->what_can_be_automated();
 221         set<Evoral::Parameter>::iterator p;
 222
 223         for (p = params.begin(); p != params.end(); ++p) {
 224                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 225                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 226                                 _route->panner()->control(*p));
 227
 228                 if (pan_control->parameter().type() == NullAutomation) {
 229                         error << "Pan control has NULL automation type!" << endmsg;
 230                         continue;
 231                 }
 232
 233                 if (automation_child (pan_control->parameter ()).get () == 0) {
 234
 235                         /* we don't already have an AutomationTimeAxisView for this parameter */
 236
 237                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 238
 239                         boost::shared_ptr<AutomationTimeAxisView> t (
 240                                 new AutomationTimeAxisView (_session,
 241                                                             _route, _route->panner(), pan_control,
 242                                                             _editor,
 243                                                             *this,
 244                                                             false,
 245                                                             parent_canvas,
 246                                                             name)
 247                                 );
 248
 249                         pan_tracks.push_back (t);
 250                         add_automation_child (*p, t, show);
 251                 }
 252         }
 253 }
 254
 255 void
 256 AudioTimeAxisView::update_gain_track_visibility ()
 257 {
 258         bool const showit = gain_automation_item->get_active();
 259
 260         if (showit != gain_track->marked_for_display()) {
 261                 if (showit) {
 262                         gain_track->set_marked_for_display (true);
 263                         gain_track->canvas_display()->show();
 264                         gain_track->canvas_background()->show();
 265                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 266                 } else {
 267                         gain_track->set_marked_for_display (false);
 268                         gain_track->hide ();
 269                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 270                 }
 271
 272                 /* now trigger a redisplay */
 273
 274                 if (!no_redraw) {
 275                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 276                 }
 277         }
 278 }
 279
 280 void
 281 AudioTimeAxisView::update_pan_track_visibility ()
 282 {
 283         bool const showit = pan_automation_item->get_active();
 284
 285         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 286
 287                 if (showit != (*i)->marked_for_display()) {
 288                         if (showit) {
 289                                 (*i)->set_marked_for_display (true);
 290                                 (*i)->canvas_display()->show();
 291                                 (*i)->canvas_background()->show();
 292                                 (*i)->get_state_node()->add_property ("shown", X_("yes"));
 293                         } else {
 294                                 (*i)->set_marked_for_display (false);
 295                                 (*i)->hide ();
 296                                 (*i)->get_state_node()->add_property ("shown", X_("no"));
 297                         }
 298
 299                         /* now trigger a redisplay */
 300                         if (!no_redraw) {
 301                                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 302                         }
 303                 }
 304         }
 305 }
 306
 307 void
 308 AudioTimeAxisView::show_all_automation ()
 309 {
 310         no_redraw = true;
 311
 312         RouteTimeAxisView::show_all_automation ();
 313
 314         no_redraw = false;
 315
 316         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 317 }
 318
 319 void
 320 AudioTimeAxisView::show_existing_automation ()
 321 {
 322         no_redraw = true;
 323
 324         RouteTimeAxisView::show_existing_automation ();
 325
 326         no_redraw = false;
 327
 328         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 329 }
 330
 331 void
 332 AudioTimeAxisView::hide_all_automation ()
 333 {
 334         no_redraw = true;
 335
 336         RouteTimeAxisView::hide_all_automation();
 337
 338         no_redraw = false;
 339         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 340 }
 341
 342 void
 343 AudioTimeAxisView::show_all_xfades ()
 344 {
 345         AudioStreamView* asv = audio_view();
 346
 347         if (asv) {
 348                 asv->show_all_xfades ();
 349         }
 350 }
 351
 352 void
 353 AudioTimeAxisView::hide_all_xfades ()
 354 {
 355         AudioStreamView* asv = audio_view();
 356
 357         if (asv) {
 358                 asv->hide_all_xfades ();
 359         }
 360 }
 361
 362 void
 363 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 364 {
 365         AudioStreamView* asv = audio_view();
 366         AudioRegionView* rv;
 367
 368         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 369                 asv->hide_xfades_involving (*rv);
 370         }
 371 }
 372
 373 void
 374 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 375 {
 376         AudioStreamView* asv = audio_view();
 377         AudioRegionView* rv;
 378
 379         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 380                 asv->reveal_xfades_involving (*rv);
 381         }
 382 }
 383
 384 void
 385 AudioTimeAxisView::route_active_changed ()
 386 {
 387         RouteTimeAxisView::route_active_changed ();
 388         update_control_names ();
 389 }
 390
 391
 392 /**
 393  *    Set up the names of the controls so that they are coloured
 394  *    correctly depending on whether this route is inactive or
 395  *    selected.
 396  */
 397
 398 void
 399 AudioTimeAxisView::update_control_names ()
 400 {
 401         if (is_audio_track()) {
 402                 if (_route->active()) {
 403                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 404                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 405                 } else {
 406                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 407                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 408                 }
 409         } else {
 410                 if (_route->active()) {
 411                         controls_base_selected_name = "BusControlsBaseSelected";
 412                         controls_base_unselected_name = "BusControlsBaseUnselected";
 413                 } else {
 414                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 415                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 416                 }
 417         }
 418
 419         if (get_selected()) {
 420                 controls_ebox.set_name (controls_base_selected_name);
 421         } else {
 422                 controls_ebox.set_name (controls_base_unselected_name);
 423         }
 424 }
 425
 426 void
 427 AudioTimeAxisView::build_automation_action_menu ()
 428 {
 429         using namespace Menu_Helpers;
 430
 431         RouteTimeAxisView::build_automation_action_menu ();
 432
 433         MenuList& automation_items = automation_action_menu->items ();
 434
 435         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 436         gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 437         gain_automation_item->set_active (gain_track->marked_for_display ());
 438
 439         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 440
 441         automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 442         pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 443         pan_automation_item->set_active (pan_tracks.front()->marked_for_display ());
 444
 445         set<Evoral::Parameter> const & params = _route->panner()->what_can_be_automated ();
 446         for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 447                 _main_automation_menu_map[*p] = pan_automation_item;
 448         }
 449 }
 450
 451 void
 452 AudioTimeAxisView::add_processor_to_subplugin_menu (boost::weak_ptr<Processor> wp)
 453 {
 454         /* we use this override to veto the Amp processor from the plugin menu,
 455            as its automation lane can be accessed using the special "Fader" menu
 456            option
 457         */
 458
 459         boost::shared_ptr<Processor> p = wp.lock ();
 460         if (!p) {
 461                 return;
 462         }
 463
 464         if (boost::dynamic_pointer_cast<Amp> (p) == 0) {
 465                 RouteTimeAxisView::add_processor_to_subplugin_menu (wp);
 466         }
 467 }