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                 boost::shared_ptr<AutomationControl> c = _route->gain_control();
 193                 if (!c) {
 194                         error << "Route has no gain automation, unable to add automation track view." << endmsg;
 195                         return;
 196                 }
 197
 198                 gain_track.reset (new AutomationTimeAxisView (_session,
 199                                                               _route, _route->amp(), c,
 200                                                               _editor,
 201                                                               *this,
 202                                                               false,
 203                                                               parent_canvas,
 204                                                               _route->amp()->describe_parameter(param)));
 205
 206                 add_automation_child(Evoral::Parameter(GainAutomation), gain_track, show);
 207
 208         } else if (param.type() == PanAutomation) {
 209
 210                 ensure_xml_node ();
 211                 ensure_pan_views (show);
 212
 213         } else if (param.type() == PluginAutomation) {
 214
 215                 /* handled elsewhere */
 216
 217         } else {
 218                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 219         }
 220 }
 221
 222 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 223  *  panners that we have.
 224  *
 225  *  @param show true to show any new views that we create, otherwise false.
 226  */
 227 void
 228 AudioTimeAxisView::ensure_pan_views (bool show)
 229 {
 230         if (!_route->panner()) {
 231                 return;
 232         }
 233
 234         const set<Evoral::Parameter>& params = _route->panner()->what_can_be_automated();
 235         set<Evoral::Parameter>::iterator p;
 236
 237         for (p = params.begin(); p != params.end(); ++p) {
 238                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 239                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 240                                 _route->panner()->control(*p));
 241
 242                 if (pan_control->parameter().type() == NullAutomation) {
 243                         error << "Pan control has NULL automation type!" << endmsg;
 244                         continue;
 245                 }
 246
 247                 if (automation_child (pan_control->parameter ()).get () == 0) {
 248
 249                         /* we don't already have an AutomationTimeAxisView for this parameter */
 250
 251                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 252
 253                         boost::shared_ptr<AutomationTimeAxisView> t (
 254                                 new AutomationTimeAxisView (_session,
 255                                                             _route, _route->panner(), pan_control,
 256                                                             _editor,
 257                                                             *this,
 258                                                             false,
 259                                                             parent_canvas,
 260                                                             name)
 261                                 );
 262
 263                         pan_tracks.push_back (t);
 264                         add_automation_child (*p, t, show);
 265                 }
 266         }
 267 }
 268
 269 void
 270 AudioTimeAxisView::update_gain_track_visibility ()
 271 {
 272         bool const showit = gain_automation_item->get_active();
 273
 274         if (showit != gain_track->marked_for_display()) {
 275                 if (showit) {
 276                         gain_track->set_marked_for_display (true);
 277                         gain_track->canvas_display()->show();
 278                         gain_track->canvas_background()->show();
 279                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 280                 } else {
 281                         gain_track->set_marked_for_display (false);
 282                         gain_track->hide ();
 283                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 284                 }
 285
 286                 /* now trigger a redisplay */
 287
 288                 if (!no_redraw) {
 289                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 290                 }
 291         }
 292 }
 293
 294 void
 295 AudioTimeAxisView::update_pan_track_visibility ()
 296 {
 297         bool const showit = pan_automation_item->get_active();
 298
 299         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 300
 301                 if (showit != (*i)->marked_for_display()) {
 302                         if (showit) {
 303                                 (*i)->set_marked_for_display (true);
 304                                 (*i)->canvas_display()->show();
 305                                 (*i)->canvas_background()->show();
 306                                 (*i)->get_state_node()->add_property ("shown", X_("yes"));
 307                         } else {
 308                                 (*i)->set_marked_for_display (false);
 309                                 (*i)->hide ();
 310                                 (*i)->get_state_node()->add_property ("shown", X_("no"));
 311                         }
 312
 313                         /* now trigger a redisplay */
 314                         if (!no_redraw) {
 315                                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 316                         }
 317                 }
 318         }
 319 }
 320
 321 void
 322 AudioTimeAxisView::show_all_automation ()
 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 void
 334 AudioTimeAxisView::show_existing_automation ()
 335 {
 336         no_redraw = true;
 337
 338         RouteTimeAxisView::show_existing_automation ();
 339
 340         no_redraw = false;
 341
 342         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 343 }
 344
 345 void
 346 AudioTimeAxisView::hide_all_automation ()
 347 {
 348         no_redraw = true;
 349
 350         RouteTimeAxisView::hide_all_automation();
 351
 352         no_redraw = false;
 353         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 354 }
 355
 356 void
 357 AudioTimeAxisView::show_all_xfades ()
 358 {
 359         AudioStreamView* asv = audio_view();
 360
 361         if (asv) {
 362                 asv->show_all_xfades ();
 363         }
 364 }
 365
 366 void
 367 AudioTimeAxisView::hide_all_xfades ()
 368 {
 369         AudioStreamView* asv = audio_view();
 370
 371         if (asv) {
 372                 asv->hide_all_xfades ();
 373         }
 374 }
 375
 376 void
 377 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 378 {
 379         AudioStreamView* asv = audio_view();
 380         AudioRegionView* rv;
 381
 382         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 383                 asv->hide_xfades_involving (*rv);
 384         }
 385 }
 386
 387 void
 388 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 389 {
 390         AudioStreamView* asv = audio_view();
 391         AudioRegionView* rv;
 392
 393         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 394                 asv->reveal_xfades_involving (*rv);
 395         }
 396 }
 397
 398 void
 399 AudioTimeAxisView::route_active_changed ()
 400 {
 401         RouteTimeAxisView::route_active_changed ();
 402         update_control_names ();
 403 }
 404
 405
 406 /**
 407  *    Set up the names of the controls so that they are coloured
 408  *    correctly depending on whether this route is inactive or
 409  *    selected.
 410  */
 411
 412 void
 413 AudioTimeAxisView::update_control_names ()
 414 {
 415         if (is_audio_track()) {
 416                 if (_route->active()) {
 417                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 418                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 419                 } else {
 420                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 421                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 422                 }
 423         } else {
 424                 if (_route->active()) {
 425                         controls_base_selected_name = "BusControlsBaseSelected";
 426                         controls_base_unselected_name = "BusControlsBaseUnselected";
 427                 } else {
 428                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 429                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 430                 }
 431         }
 432
 433         if (get_selected()) {
 434                 controls_ebox.set_name (controls_base_selected_name);
 435         } else {
 436                 controls_ebox.set_name (controls_base_unselected_name);
 437         }
 438 }
 439
 440 void
 441 AudioTimeAxisView::build_automation_action_menu ()
 442 {
 443         using namespace Menu_Helpers;
 444
 445         RouteTimeAxisView::build_automation_action_menu ();
 446
 447         MenuList& automation_items = automation_action_menu->items ();
 448
 449         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 450         gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 451         gain_automation_item->set_active (gain_track->marked_for_display ());
 452
 453         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 454
 455         automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 456         pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 457         pan_automation_item->set_active (pan_tracks.front()->marked_for_display ());
 458
 459         set<Evoral::Parameter> const & params = _route->panner()->what_can_be_automated ();
 460         for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 461                 _main_automation_menu_map[*p] = pan_automation_item;
 462         }
 463 }
 464
 465 void
 466 AudioTimeAxisView::add_processor_to_subplugin_menu (boost::weak_ptr<Processor> wp)
 467 {
 468         /* we use this override to veto the Amp processor from the plugin menu,
 469            as its automation lane can be accessed using the special "Fader" menu
 470            option
 471         */
 472
 473         boost::shared_ptr<Processor> p = wp.lock ();
 474         if (!p) {
 475                 return;
 476         }
 477
 478         if (boost::dynamic_pointer_cast<Amp> (p) == 0) {
 479                 RouteTimeAxisView::add_processor_to_subplugin_menu (wp);
 480         }
 481 }