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