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/playlist.h"
  46 #include "ardour/processor.h"
  47 #include "ardour/profile.h"
  48 #include "ardour/session.h"
  49 #include "ardour/session_playlist.h"
  50 #include "ardour/utils.h"
  51
  52 #include "ardour_ui.h"
  53 #include "audio_time_axis.h"
  54 #include "automation_line.h"
  55 #include "canvas_impl.h"
  56 #include "crossfade_view.h"
  57 #include "enums.h"
  58 #include "gui_thread.h"
  59 #include "automation_time_axis.h"
  60 #include "keyboard.h"
  61 #include "playlist_selector.h"
  62 #include "prompter.h"
  63 #include "public_editor.h"
  64 #include "audio_region_view.h"
  65 #include "simplerect.h"
  66 #include "audio_streamview.h"
  67 #include "utils.h"
  68
  69 #include "ardour/audio_track.h"
  70
  71 #include "i18n.h"
  72
  73 using namespace std;
  74 using namespace ARDOUR;
  75 using namespace PBD;
  76 using namespace Gtk;
  77 using namespace Editing;
  78
  79 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  80         : AxisView(sess)
  81         , RouteTimeAxisView(ed, sess, rt, canvas)
  82 {
  83         // Make sure things are sane...
  84         assert(!is_track() || is_audio_track());
  85
  86         subplugin_menu.set_name ("ArdourContextMenu");
  87
  88         _view = new AudioStreamView (*this);
  89
  90         ignore_toggle = false;
  91
  92         mute_button->set_active (false);
  93         solo_button->set_active (false);
  94
  95         if (is_audio_track()) {
  96                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
  97         } else { // bus
  98                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
  99         }
 100
 101         ensure_xml_node ();
 102
 103         set_state (*xml_node, Stateful::loading_state_version);
 104
 105         /* if set_state above didn't create a gain automation child, we need to make one */
 106         if (automation_child (GainAutomation) == 0) {
 107                 create_automation_child (GainAutomation, false);
 108         }
 109
 110         if (_route->panner()) {
 111                 _route->panner()->Changed.connect (*this, invalidator (*this),
 112                                                    boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 113         }
 114
 115         /* map current state of the route */
 116
 117         processors_changed (RouteProcessorChange ());
 118         reset_processor_automation_curves ();
 119         ensure_pan_views (false);
 120         update_control_names ();
 121
 122         if (is_audio_track()) {
 123
 124                 /* ask for notifications of any new RegionViews */
 125                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 126
 127                 if (!_editor.have_idled()) {
 128                         /* first idle will do what we need */
 129                 } else {
 130                         first_idle ();
 131                 }
 132
 133         } else {
 134                 post_construct ();
 135         }
 136 }
 137
 138 AudioTimeAxisView::~AudioTimeAxisView ()
 139 {
 140 }
 141
 142 void
 143 AudioTimeAxisView::first_idle ()
 144 {
 145         _view->attach ();
 146         post_construct ();
 147 }
 148
 149 AudioStreamView*
 150 AudioTimeAxisView::audio_view()
 151 {
 152         return dynamic_cast<AudioStreamView*>(_view);
 153 }
 154
 155 guint32
 156 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 157 {
 158         ensure_xml_node ();
 159         xml_node->add_property ("shown-editor", "yes");
 160
 161         return TimeAxisView::show_at (y, nth, parent);
 162 }
 163
 164 void
 165 AudioTimeAxisView::hide ()
 166 {
 167         ensure_xml_node ();
 168         xml_node->add_property ("shown-editor", "no");
 169
 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()) {
 183                 items.push_back (MenuElem (_("Hide All Crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 184                 items.push_back (MenuElem (_("Show All Crossfades"), sigc::mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 185         }
 186 }
 187
 188 void
 189 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 190 {
 191         if (param.type() == GainAutomation) {
 192
 193                 create_gain_automation_child (param, show);
 194
 195         } else if (param.type() == PanWidthAutomation ||
 196                    param.type() == PanElevationAutomation ||
 197                    param.type() == PanAzimuthAutomation) {
 198
 199                 ensure_xml_node ();
 200                 ensure_pan_views (show);
 201
 202         } else if (param.type() == PluginAutomation) {
 203
 204                 /* handled elsewhere */
 205
 206         } else {
 207                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 208         }
 209 }
 210
 211 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 212  *  panners that we have.
 213  *
 214  *  @param show true to show any new views that we create, otherwise false.
 215  */
 216 void
 217 AudioTimeAxisView::ensure_pan_views (bool show)
 218 {
 219         if (!_route->panner()) {
 220                 return;
 221         }
 222
 223         set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
 224         set<Evoral::Parameter>::iterator p;
 225
 226         for (p = params.begin(); p != params.end(); ++p) {
 227                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
 228
 229                 if (pan_control->parameter().type() == NullAutomation) {
 230                         error << "Pan control has NULL automation type!" << endmsg;
 231                         continue;
 232                 }
 233
 234                 if (automation_child (pan_control->parameter ()).get () == 0) {
 235
 236                         /* we don't already have an AutomationTimeAxisView for this parameter */
 237
 238                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 239
 240                         boost::shared_ptr<AutomationTimeAxisView> t (
 241                                 new AutomationTimeAxisView (_session,
 242                                                             _route,
 243                                                             _route->pannable(),
 244                                                             pan_control,
 245                                                             _editor,
 246                                                             *this,
 247                                                             false,
 248                                                             parent_canvas,
 249                                                             name)
 250                                 );
 251
 252                         pan_tracks.push_back (t);
 253                         add_automation_child (*p, t, show);
 254                 }
 255         }
 256 }
 257
 258 void
 259 AudioTimeAxisView::update_gain_track_visibility ()
 260 {
 261         bool const showit = gain_automation_item->get_active();
 262
 263         if (showit != gain_track->marked_for_display()) {
 264                 if (showit) {
 265                         gain_track->set_marked_for_display (true);
 266                         gain_track->canvas_display()->show();
 267                         gain_track->canvas_background()->show();
 268                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 269                 } else {
 270                         gain_track->set_marked_for_display (false);
 271                         gain_track->hide ();
 272                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 273                 }
 274
 275                 /* now trigger a redisplay */
 276
 277                 if (!no_redraw) {
 278                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 279                 }
 280         }
 281 }
 282
 283 void
 284 AudioTimeAxisView::update_pan_track_visibility ()
 285 {
 286         bool const showit = pan_automation_item->get_active();
 287
 288         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 289
 290                 if (showit != (*i)->marked_for_display()) {
 291                         if (showit) {
 292                                 (*i)->set_marked_for_display (true);
 293                                 (*i)->canvas_display()->show();
 294                                 (*i)->canvas_background()->show();
 295                                 (*i)->get_state_node()->add_property ("shown", X_("yes"));
 296                         } else {
 297                                 (*i)->set_marked_for_display (false);
 298                                 (*i)->hide ();
 299                                 (*i)->get_state_node()->add_property ("shown", X_("no"));
 300                         }
 301
 302                         /* now trigger a redisplay */
 303                         if (!no_redraw) {
 304                                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 305                         }
 306                 }
 307         }
 308 }
 309
 310 void
 311 AudioTimeAxisView::show_all_automation ()
 312 {
 313         no_redraw = true;
 314
 315         RouteTimeAxisView::show_all_automation ();
 316
 317         no_redraw = false;
 318
 319         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 320 }
 321
 322 void
 323 AudioTimeAxisView::show_existing_automation ()
 324 {
 325         no_redraw = true;
 326
 327         RouteTimeAxisView::show_existing_automation ();
 328
 329         no_redraw = false;
 330
 331         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 332 }
 333
 334 void
 335 AudioTimeAxisView::hide_all_automation ()
 336 {
 337         no_redraw = true;
 338
 339         RouteTimeAxisView::hide_all_automation();
 340
 341         no_redraw = false;
 342         _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 343 }
 344
 345 void
 346 AudioTimeAxisView::show_all_xfades ()
 347 {
 348         AudioStreamView* asv = audio_view();
 349
 350         if (asv) {
 351                 asv->show_all_xfades ();
 352         }
 353 }
 354
 355 void
 356 AudioTimeAxisView::hide_all_xfades ()
 357 {
 358         AudioStreamView* asv = audio_view();
 359
 360         if (asv) {
 361                 asv->hide_all_xfades ();
 362         }
 363 }
 364
 365 void
 366 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 367 {
 368         AudioStreamView* asv = audio_view();
 369         AudioRegionView* rv;
 370
 371         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 372                 asv->hide_xfades_involving (*rv);
 373         }
 374 }
 375
 376 void
 377 AudioTimeAxisView::reveal_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->reveal_xfades_involving (*rv);
 384         }
 385 }
 386
 387 void
 388 AudioTimeAxisView::route_active_changed ()
 389 {
 390         RouteTimeAxisView::route_active_changed ();
 391         update_control_names ();
 392 }
 393
 394
 395 /**
 396  *    Set up the names of the controls so that they are coloured
 397  *    correctly depending on whether this route is inactive or
 398  *    selected.
 399  */
 400
 401 void
 402 AudioTimeAxisView::update_control_names ()
 403 {
 404         if (is_audio_track()) {
 405                 if (_route->active()) {
 406                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 407                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 408                 } else {
 409                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 410                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 411                 }
 412         } else {
 413                 if (_route->active()) {
 414                         controls_base_selected_name = "BusControlsBaseSelected";
 415                         controls_base_unselected_name = "BusControlsBaseUnselected";
 416                 } else {
 417                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 418                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 419                 }
 420         }
 421
 422         if (get_selected()) {
 423                 controls_ebox.set_name (controls_base_selected_name);
 424         } else {
 425                 controls_ebox.set_name (controls_base_unselected_name);
 426         }
 427 }
 428
 429 void
 430 AudioTimeAxisView::build_automation_action_menu ()
 431 {
 432         using namespace Menu_Helpers;
 433
 434         RouteTimeAxisView::build_automation_action_menu ();
 435
 436         MenuList& automation_items = automation_action_menu->items ();
 437
 438         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 439         gain_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 440         gain_automation_item->set_active (gain_track->marked_for_display ());
 441
 442         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 443
 444         automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 445         pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 446         pan_automation_item->set_active (pan_tracks.front()->marked_for_display ());
 447
 448         set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 449         for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 450                 _main_automation_menu_map[*p] = pan_automation_item;
 451         }
 452 }
 453
 454 void
 455 AudioTimeAxisView::add_processor_to_subplugin_menu (boost::weak_ptr<Processor> wp)
 456 {
 457         /* we use this override to veto the Amp processor from the plugin menu,
 458            as its automation lane can be accessed using the special "Fader" menu
 459            option
 460         */
 461
 462         boost::shared_ptr<Processor> p = wp.lock ();
 463         if (!p) {
 464                 return;
 465         }
 466
 467         if (boost::dynamic_pointer_cast<Amp> (p) == 0) {
 468                 RouteTimeAxisView::add_processor_to_subplugin_menu (wp);
 469         }
 470 }