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::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 185                 items.push_back (MenuElem (_("Show All Crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 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() == GainAutomation) {
 194
 195                 create_gain_automation_child (param, show);
 196
 197         } else if (param.type() == PanWidthAutomation ||
 198                    param.type() == PanElevationAutomation ||
 199                    param.type() == PanAzimuthAutomation) {
 200
 201                 ensure_xml_node ();
 202                 ensure_pan_views (show);
 203
 204         } else if (param.type() == PluginAutomation) {
 205
 206                 /* handled elsewhere */
 207
 208         } else {
 209                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 210         }
 211 }
 212
 213 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 214  *  panners that we have.
 215  *
 216  *  @param show true to show any new views that we create, otherwise false.
 217  */
 218 void
 219 AudioTimeAxisView::ensure_pan_views (bool show)
 220 {
 221         if (!_route->panner()) {
 222                 return;
 223         }
 224
 225         set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
 226         set<Evoral::Parameter>::iterator p;
 227
 228         for (p = params.begin(); p != params.end(); ++p) {
 229                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
 230
 231                 if (pan_control->parameter().type() == NullAutomation) {
 232                         error << "Pan control has NULL automation type!" << endmsg;
 233                         continue;
 234                 }
 235
 236                 if (automation_child (pan_control->parameter ()).get () == 0) {
 237
 238                         /* we don't already have an AutomationTimeAxisView for this parameter */
 239
 240                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 241
 242                         boost::shared_ptr<AutomationTimeAxisView> t (
 243                                 new AutomationTimeAxisView (_session,
 244                                                             _route,
 245                                                             _route->pannable(),
 246                                                             pan_control,
 247                                                             pan_control->parameter (),
 248                                                             _editor,
 249                                                             *this,
 250                                                             false,
 251                                                             parent_canvas,
 252                                                             name)
 253                                 );
 254
 255                         pan_tracks.push_back (t);
 256                         add_automation_child (*p, t, show);
 257                 }
 258         }
 259 }
 260
 261 void
 262 AudioTimeAxisView::update_gain_track_visibility ()
 263 {
 264         bool const showit = gain_automation_item->get_active();
 265
 266         if (showit != gain_track->marked_for_display()) {
 267                 if (showit) {
 268                         gain_track->set_marked_for_display (true);
 269                         gain_track->canvas_display()->show();
 270                         gain_track->canvas_background()->show();
 271                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 272                 } else {
 273                         gain_track->set_marked_for_display (false);
 274                         gain_track->hide ();
 275                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 276                 }
 277
 278                 /* now trigger a redisplay */
 279
 280                 if (!no_redraw) {
 281                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 282                 }
 283         }
 284 }
 285
 286 void
 287 AudioTimeAxisView::update_pan_track_visibility ()
 288 {
 289         bool const showit = pan_automation_item->get_active();
 290
 291         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 292
 293                 if (showit != (*i)->marked_for_display()) {
 294                         if (showit) {
 295                                 (*i)->set_marked_for_display (true);
 296                                 (*i)->canvas_display()->show();
 297                                 (*i)->canvas_background()->show();
 298                                 (*i)->get_state_node()->add_property ("shown", X_("yes"));
 299                         } else {
 300                                 (*i)->set_marked_for_display (false);
 301                                 (*i)->hide ();
 302                                 (*i)->get_state_node()->add_property ("shown", X_("no"));
 303                         }
 304
 305                         /* now trigger a redisplay */
 306                         if (!no_redraw) {
 307                                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 308                         }
 309                 }
 310         }
 311 }
 312
 313 void
 314 AudioTimeAxisView::show_all_automation ()
 315 {
 316         no_redraw = true;
 317
 318         RouteTimeAxisView::show_all_automation ();
 319
 320         no_redraw = false;
 321
 322         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 323 }
 324
 325 void
 326 AudioTimeAxisView::show_existing_automation ()
 327 {
 328         no_redraw = true;
 329
 330         RouteTimeAxisView::show_existing_automation ();
 331
 332         no_redraw = false;
 333
 334         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 335 }
 336
 337 void
 338 AudioTimeAxisView::hide_all_automation ()
 339 {
 340         no_redraw = true;
 341
 342         RouteTimeAxisView::hide_all_automation();
 343
 344         no_redraw = false;
 345         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 346 }
 347
 348 void
 349 AudioTimeAxisView::show_all_xfades ()
 350 {
 351         AudioStreamView* asv = audio_view();
 352
 353         if (asv) {
 354                 asv->show_all_xfades ();
 355         }
 356 }
 357
 358 void
 359 AudioTimeAxisView::hide_all_xfades ()
 360 {
 361         AudioStreamView* asv = audio_view();
 362
 363         if (asv) {
 364                 asv->hide_all_xfades ();
 365         }
 366 }
 367
 368 void
 369 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 370 {
 371         AudioStreamView* asv = audio_view();
 372         AudioRegionView* rv;
 373
 374         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 375                 asv->hide_xfades_involving (*rv);
 376         }
 377 }
 378
 379 void
 380 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 381 {
 382         AudioStreamView* asv = audio_view();
 383         AudioRegionView* rv;
 384
 385         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 386                 asv->reveal_xfades_involving (*rv);
 387         }
 388 }
 389
 390 void
 391 AudioTimeAxisView::route_active_changed ()
 392 {
 393         RouteTimeAxisView::route_active_changed ();
 394         update_control_names ();
 395 }
 396
 397
 398 /**
 399  *    Set up the names of the controls so that they are coloured
 400  *    correctly depending on whether this route is inactive or
 401  *    selected.
 402  */
 403
 404 void
 405 AudioTimeAxisView::update_control_names ()
 406 {
 407         if (is_audio_track()) {
 408                 if (_route->active()) {
 409                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 410                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 411                 } else {
 412                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 413                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 414                 }
 415         } else {
 416                 if (_route->active()) {
 417                         controls_base_selected_name = "BusControlsBaseSelected";
 418                         controls_base_unselected_name = "BusControlsBaseUnselected";
 419                 } else {
 420                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 421                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 422                 }
 423         }
 424
 425         if (get_selected()) {
 426                 controls_ebox.set_name (controls_base_selected_name);
 427         } else {
 428                 controls_ebox.set_name (controls_base_unselected_name);
 429         }
 430 }
 431
 432 void
 433 AudioTimeAxisView::build_automation_action_menu ()
 434 {
 435         using namespace Menu_Helpers;
 436
 437         RouteTimeAxisView::build_automation_action_menu ();
 438
 439         MenuList& automation_items = automation_action_menu->items ();
 440
 441         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 442         gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 443         gain_automation_item->set_active (gain_track->marked_for_display ());
 444
 445         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 446
 447         automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 448         pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 449         pan_automation_item->set_active (pan_tracks.front()->marked_for_display ());
 450
 451         set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 452         for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 453                 _main_automation_menu_map[*p] = pan_automation_item;
 454         }
 455 }
 456
 457 void
 458 AudioTimeAxisView::add_processor_to_subplugin_menu (boost::weak_ptr<Processor> wp)
 459 {
 460         /* we use this override to veto the Amp processor from the plugin menu,
 461            as its automation lane can be accessed using the special "Fader" menu
 462            option
 463         */
 464
 465         boost::shared_ptr<Processor> p = wp.lock ();
 466         if (!p) {
 467                 return;
 468         }
 469
 470         if (boost::dynamic_pointer_cast<Amp> (p) == 0) {
 471                 RouteTimeAxisView::add_processor_to_subplugin_menu (wp);
 472         }
 473 }