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