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/stop_signal.h>
  37 #include <gtkmm2ext/bindable_button.h>
  38 #include <gtkmm2ext/utils.h>
  39
  40 #include "ardour/amp.h"
  41 #include "ardour/audio_diskstream.h"
  42 #include "ardour/audioplaylist.h"
  43 #include "ardour/event_type_map.h"
  44 #include "ardour/location.h"
  45 #include "ardour/panner.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_track (GainAutomation) == 0) {
 108                 create_automation_child (GainAutomation, false);
 109         }
 110
 111         if (_route->panner()) {
 112                 _route->panner()->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()) {
 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         }
 187 }
 188
 189 void
 190 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 191 {
 192         AudioStreamView* asv = audio_view();
 193
 194         if (asv) {
 195                 asv->set_show_waveforms_recording (yn);
 196         }
 197 }
 198
 199 void
 200 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 201 {
 202         if (param.type() == GainAutomation) {
 203
 204                 boost::shared_ptr<AutomationControl> c = _route->gain_control();
 205                 if (!c) {
 206                         error << "Route has no gain automation, unable to add automation track view." << endmsg;
 207                         return;
 208                 }
 209
 210                 boost::shared_ptr<AutomationTimeAxisView>
 211                         gain_track(new AutomationTimeAxisView (_session,
 212                                                                _route, _route->amp(), c,
 213                                                                _editor,
 214                                                                *this,
 215                                                                false,
 216                                                                parent_canvas,
 217                                                                _route->amp()->describe_parameter(param)));
 218
 219                 add_automation_child(Evoral::Parameter(GainAutomation), gain_track, show);
 220
 221         } else if (param.type() == PanAutomation) {
 222
 223                 ensure_xml_node ();
 224                 ensure_pan_views (show);
 225
 226         } else {
 227                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 228         }
 229 }
 230
 231 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 232  *  panners that we have.
 233  *
 234  *  @param show true to show any new views that we create, otherwise false.
 235  */
 236 void
 237 AudioTimeAxisView::ensure_pan_views (bool show)
 238 {
 239         if (!_route->panner()) {
 240                 return;
 241         }
 242
 243         const set<Evoral::Parameter>& params = _route->panner()->what_can_be_automated();
 244         set<Evoral::Parameter>::iterator p;
 245
 246         for (p = params.begin(); p != params.end(); ++p) {
 247                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control
 248                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 249                                 _route->panner()->control(*p));
 250
 251                 if (pan_control->parameter().type() == NullAutomation) {
 252                         error << "Pan control has NULL automation type!" << endmsg;
 253                         continue;
 254                 }
 255
 256                 if (automation_child (pan_control->parameter ()).get () == 0) {
 257
 258                         /* we don't already have an AutomationTimeAxisView for this parameter */
 259
 260                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 261
 262                         boost::shared_ptr<AutomationTimeAxisView> pan_track (
 263                                 new AutomationTimeAxisView (_session,
 264                                                             _route, _route->panner(), pan_control,
 265                                                             _editor,
 266                                                             *this,
 267                                                             false,
 268                                                             parent_canvas,
 269                                                             name));
 270
 271                         add_automation_child (*p, pan_track, show);
 272                 }
 273         }
 274 }
 275 #if 0
 276 void
 277 AudioTimeAxisView::toggle_gain_track ()
 278 {
 279         bool showit = gain_automation_item->get_active();
 280
 281         if (showit != gain_track->marked_for_display()) {
 282                 if (showit) {
 283                         gain_track->set_marked_for_display (true);
 284                         gain_track->canvas_display->show();
 285                         gain_track->canvas_background->show();
 286                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
 287                 } else {
 288                         gain_track->set_marked_for_display (false);
 289                         gain_track->hide ();
 290                         gain_track->get_state_node()->add_property ("shown", X_("no"));
 291                 }
 292
 293                 /* now trigger a redisplay */
 294
 295                 if (!no_redraw) {
 296                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 297                 }
 298         }
 299 }
 300
 301 void
 302 AudioTimeAxisView::gain_hidden ()
 303 {
 304         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
 305
 306         if (gain_automation_item && !_hidden) {
 307                 gain_automation_item->set_active (false);
 308         }
 309
 310          _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
 311 }
 312
 313 void
 314 AudioTimeAxisView::toggle_pan_track ()
 315 {
 316         bool showit = pan_automation_item->get_active();
 317
 318         if (showit != pan_track->marked_for_display()) {
 319                 if (showit) {
 320                         pan_track->set_marked_for_display (true);
 321                         pan_track->canvas_display->show();
 322                         pan_track->canvas_background->show();
 323                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
 324                 } else {
 325                         pan_track->set_marked_for_display (false);
 326                         pan_track->hide ();
 327                         pan_track->get_state_node()->add_property ("shown", X_("no"));
 328                 }
 329
 330                 /* now trigger a redisplay */
 331         }
 332 }
 333 #endif
 334
 335 void
 336 AudioTimeAxisView::show_all_automation ()
 337 {
 338         no_redraw = true;
 339
 340         RouteTimeAxisView::show_all_automation ();
 341
 342         no_redraw = false;
 343
 344          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 345 }
 346
 347 void
 348 AudioTimeAxisView::show_existing_automation ()
 349 {
 350         no_redraw = true;
 351
 352         RouteTimeAxisView::show_existing_automation ();
 353
 354         no_redraw = false;
 355
 356          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 357 }
 358
 359 void
 360 AudioTimeAxisView::hide_all_automation ()
 361 {
 362         no_redraw = true;
 363
 364         RouteTimeAxisView::hide_all_automation();
 365
 366         no_redraw = false;
 367          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 368 }
 369
 370 void
 371 AudioTimeAxisView::show_all_xfades ()
 372 {
 373         AudioStreamView* asv = audio_view();
 374
 375         if (asv) {
 376                 asv->show_all_xfades ();
 377         }
 378 }
 379
 380 void
 381 AudioTimeAxisView::hide_all_xfades ()
 382 {
 383         AudioStreamView* asv = audio_view();
 384
 385         if (asv) {
 386                 asv->hide_all_xfades ();
 387         }
 388 }
 389
 390 void
 391 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
 392 {
 393         AudioStreamView* asv = audio_view();
 394         AudioRegionView* rv;
 395
 396         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 397                 asv->hide_xfades_involving (*rv);
 398         }
 399 }
 400
 401 void
 402 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
 403 {
 404         AudioStreamView* asv = audio_view();
 405         AudioRegionView* rv;
 406
 407         if (asv && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
 408                 asv->reveal_xfades_involving (*rv);
 409         }
 410 }
 411
 412 void
 413 AudioTimeAxisView::route_active_changed ()
 414 {
 415         RouteTimeAxisView::route_active_changed ();
 416         update_control_names ();
 417 }
 418
 419
 420 /**
 421  *    Set up the names of the controls so that they are coloured
 422  *    correctly depending on whether this route is inactive or
 423  *    selected.
 424  */
 425
 426 void
 427 AudioTimeAxisView::update_control_names ()
 428 {
 429         if (is_audio_track()) {
 430                 if (_route->active()) {
 431                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 432                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 433                 } else {
 434                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 435                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 436                 }
 437         } else {
 438                 if (_route->active()) {
 439                         controls_base_selected_name = "BusControlsBaseSelected";
 440                         controls_base_unselected_name = "BusControlsBaseUnselected";
 441                 } else {
 442                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 443                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 444                 }
 445         }
 446
 447         if (get_selected()) {
 448                 controls_ebox.set_name (controls_base_selected_name);
 449         } else {
 450                 controls_ebox.set_name (controls_base_unselected_name);
 451         }
 452 }