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