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/event_type_map.h"
  40 #include "ardour/pannable.h"
  41 #include "ardour/panner.h"
  42 #include "ardour/panner_shell.h"
  43
  44 #include "ardour_button.h"
  45 #include "ardour_ui.h"
  46 #include "audio_time_axis.h"
  47 #include "automation_line.h"
  48 #include "enums.h"
  49 #include "gui_thread.h"
  50 #include "automation_time_axis.h"
  51 #include "keyboard.h"
  52 #include "playlist_selector.h"
  53 #include "prompter.h"
  54 #include "public_editor.h"
  55 #include "audio_region_view.h"
  56 #include "audio_streamview.h"
  57 #include "utils.h"
  58
  59 #include "i18n.h"
  60
  61 using namespace std;
  62 using namespace ARDOUR;
  63 using namespace ARDOUR_UI_UTILS;
  64 using namespace PBD;
  65 using namespace Gtk;
  66 using namespace Editing;
  67
  68 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, ArdourCanvas::Canvas& canvas)
  69         : AxisView(sess)
  70         , RouteTimeAxisView(ed, sess, canvas)
  71 {
  72 }
  73
  74 void
  75 AudioTimeAxisView::set_route (boost::shared_ptr<Route> rt)
  76 {
  77         _route = rt;
  78
  79         /* RouteTimeAxisView::set_route() sets up some things in the View,
  80            so it must be created before RouteTimeAxis::set_route() is
  81            called.
  82         */
  83         _view = new AudioStreamView (*this);
  84
  85         RouteTimeAxisView::set_route (rt);
  86
  87         _view->apply_color (gdk_color_to_rgba (color()), StreamView::RegionColor);
  88
  89         // Make sure things are sane...
  90         assert(!is_track() || is_audio_track());
  91
  92         subplugin_menu.set_name ("ArdourContextMenu");
  93
  94         ignore_toggle = 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         /* if set_state above didn't create a gain automation child, we need to make one */
 103         if (automation_child (GainAutomation) == 0) {
 104                 create_automation_child (GainAutomation, false);
 105         }
 106
 107         /* if set_state above didn't create a mute automation child, we need to make one */
 108         if (automation_child (MuteAutomation) == 0) {
 109                 create_automation_child (MuteAutomation, false);
 110         }
 111
 112         if (_route->panner_shell()) {
 113                 _route->panner_shell()->Changed.connect (*this, invalidator (*this),
 114                                                          boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 115         }
 116
 117         /* map current state of the route */
 118
 119         processors_changed (RouteProcessorChange ());
 120         reset_processor_automation_curves ();
 121         ensure_pan_views (false);
 122         update_control_names ();
 123
 124         if (is_audio_track()) {
 125
 126                 /* ask for notifications of any new RegionViews */
 127                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 128
 129                 if (!_editor.have_idled()) {
 130                         /* first idle will do what we need */
 131                 } else {
 132                         first_idle ();
 133                 }
 134
 135         } else {
 136                 post_construct ();
 137         }
 138 }
 139
 140 AudioTimeAxisView::~AudioTimeAxisView ()
 141 {
 142 }
 143
 144 void
 145 AudioTimeAxisView::first_idle ()
 146 {
 147         _view->attach ();
 148         post_construct ();
 149 }
 150
 151 AudioStreamView*
 152 AudioTimeAxisView::audio_view()
 153 {
 154         return dynamic_cast<AudioStreamView*>(_view);
 155 }
 156
 157 guint32
 158 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 159 {
 160         set_gui_property ("visible", true);
 161         return TimeAxisView::show_at (y, nth, parent);
 162 }
 163
 164 void
 165 AudioTimeAxisView::hide ()
 166 {
 167         set_gui_property ("visible", false);
 168         TimeAxisView::hide ();
 169 }
 170
 171 void
 172 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 173 {
 174         if (param.type() == NullAutomation) {
 175                 return;
 176         }
 177
 178         AutomationTracks::iterator existing = _automation_tracks.find (param);
 179
 180         if (existing != _automation_tracks.end()) {
 181
 182                 /* automation track created because we had existing data for
 183                  * the processor, but visibility may need to be controlled
 184                  * since it will have been set visible by default.
 185                  */
 186
 187                 existing->second->set_marked_for_display (show);
 188
 189                 if (!no_redraw) {
 190                         request_redraw ();
 191                 }
 192
 193                 return;
 194         }
 195
 196         if (param.type() == GainAutomation) {
 197
 198                 create_gain_automation_child (param, show);
 199
 200         } else if (param.type() == PanWidthAutomation ||
 201                    param.type() == PanElevationAutomation ||
 202                    param.type() == PanAzimuthAutomation) {
 203
 204                 ensure_pan_views (show);
 205
 206         } else if (param.type() == PluginAutomation) {
 207
 208                 /* handled elsewhere */
 209
 210         } else if (param.type() == MuteAutomation) {
 211
 212                 create_mute_automation_child (param, show);
 213
 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         bool changed = false;
 229         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 230                 changed = true;
 231                 (*i)->set_marked_for_display (false);
 232         }
 233         if (changed) {
 234                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 235         }
 236         pan_tracks.clear();
 237
 238         if (!_route->panner()) {
 239                 return;
 240         }
 241
 242         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 = _route->pannable()->automation_control(*p);
 247
 248                 if (pan_control->parameter().type() == NullAutomation) {
 249                         error << "Pan control has NULL automation type!" << endmsg;
 250                         continue;
 251                 }
 252
 253                 if (automation_child (pan_control->parameter ()).get () == 0) {
 254
 255                         /* we don't already have an AutomationTimeAxisView for this parameter */
 256
 257                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 258
 259                         boost::shared_ptr<AutomationTimeAxisView> t (
 260                                 new AutomationTimeAxisView (_session,
 261                                                             _route,
 262                                                             _route->pannable(),
 263                                                             pan_control,
 264                                                             pan_control->parameter (),
 265                                                             _editor,
 266                                                             *this,
 267                                                             false,
 268                                                             parent_canvas,
 269                                                             name)
 270                                 );
 271
 272                         pan_tracks.push_back (t);
 273                         add_automation_child (*p, t, show);
 274                 } else {
 275                         pan_tracks.push_back (automation_child (pan_control->parameter ()));
 276                 }
 277         }
 278 }
 279
 280 void
 281 AudioTimeAxisView::update_gain_track_visibility ()
 282 {
 283         bool const showit = gain_automation_item->get_active();
 284
 285         if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
 286                 gain_track->set_marked_for_display (showit);
 287
 288                 /* now trigger a redisplay */
 289
 290                 if (!no_redraw) {
 291                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 292                 }
 293         }
 294 }
 295
 296 void
 297 AudioTimeAxisView::update_mute_track_visibility ()
 298 {
 299         bool const showit = mute_automation_item->get_active();
 300
 301         if (showit != string_is_affirmative (mute_track->gui_property ("visible"))) {
 302                 mute_track->set_marked_for_display (showit);
 303
 304                 /* now trigger a redisplay */
 305
 306                 if (!no_redraw) {
 307                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 308                 }
 309         }
 310 }
 311
 312 void
 313 AudioTimeAxisView::update_pan_track_visibility ()
 314 {
 315         bool const showit = pan_automation_item->get_active();
 316         bool changed = false;
 317
 318         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 319                 if ((*i)->set_marked_for_display (showit)) {
 320                         changed = true;
 321                 }
 322         }
 323
 324         if (changed) {
 325                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 326         }
 327 }
 328
 329 void
 330 AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 331 {
 332         if (apply_to_selection) {
 333                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
 334         } else {
 335
 336                 no_redraw = true;
 337
 338                 RouteTimeAxisView::show_all_automation ();
 339
 340                 no_redraw = false;
 341                 request_redraw ();
 342         }
 343 }
 344
 345 void
 346 AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 347 {
 348         if (apply_to_selection) {
 349                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
 350         } else {
 351                 no_redraw = true;
 352
 353                 RouteTimeAxisView::show_existing_automation ();
 354
 355                 no_redraw = false;
 356
 357                 request_redraw ();
 358         }
 359 }
 360
 361 void
 362 AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 363 {
 364         if (apply_to_selection) {
 365                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
 366         } else {
 367                 no_redraw = true;
 368
 369                 RouteTimeAxisView::hide_all_automation();
 370
 371                 no_redraw = false;
 372                 request_redraw ();
 373         }
 374 }
 375
 376 void
 377 AudioTimeAxisView::route_active_changed ()
 378 {
 379         update_control_names ();
 380 }
 381
 382
 383 /**
 384  *    Set up the names of the controls so that they are coloured
 385  *    correctly depending on whether this route is inactive or
 386  *    selected.
 387  */
 388
 389 void
 390 AudioTimeAxisView::update_control_names ()
 391 {
 392         if (is_audio_track()) {
 393                 if (_route->active()) {
 394                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 395                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 396                 } else {
 397                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 398                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 399                 }
 400         } else {
 401                 if (_route->active()) {
 402                         controls_base_selected_name = "BusControlsBaseSelected";
 403                         controls_base_unselected_name = "BusControlsBaseUnselected";
 404                 } else {
 405                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 406                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 407                 }
 408         }
 409
 410         if (get_selected()) {
 411                 controls_ebox.set_name (controls_base_selected_name);
 412         } else {
 413                 controls_ebox.set_name (controls_base_unselected_name);
 414         }
 415 }
 416
 417 void
 418 AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 419 {
 420         using namespace Menu_Helpers;
 421
 422         RouteTimeAxisView::build_automation_action_menu (for_selection);
 423
 424         MenuList& automation_items = automation_action_menu->items ();
 425
 426         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 427         gain_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 428         gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 429                                           (gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
 430
 431         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 432
 433         automation_items.push_back (CheckMenuElem (_("Mute"), sigc::mem_fun (*this, &AudioTimeAxisView::update_mute_track_visibility)));
 434         mute_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 435         mute_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 436                                           (mute_track && string_is_affirmative (mute_track->gui_property ("visible"))));
 437
 438         _main_automation_menu_map[Evoral::Parameter(MuteAutomation)] = mute_automation_item;
 439
 440         if (!pan_tracks.empty()) {
 441                 automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 442                 pan_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 443                 pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 444                                                  (!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
 445
 446                 set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 447                 for (set<Evoral::Parameter>::const_iterator p = params.begin(); p != params.end(); ++p) {
 448                         _main_automation_menu_map[*p] = pan_automation_item;
 449                 }
 450         }
 451 }
 452
 453 void
 454 AudioTimeAxisView::enter_internal_edit_mode ()
 455 {
 456         if (audio_view()) {
 457                 audio_view()->enter_internal_edit_mode ();
 458         }
 459 }
 460
 461 void
 462 AudioTimeAxisView::leave_internal_edit_mode ()
 463 {
 464         if (audio_view()) {
 465                 audio_view()->leave_internal_edit_mode ();
 466         }
 467 }