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                 time_axis_frame.set_name ("AudioTrackControlsBaseUnselected");
  99         } else { // bus
 100                 controls_ebox.set_name ("AudioBusControlsBaseUnselected");
 101                 time_axis_frame.set_name ("AudioBusControlsBaseUnselected");
 102         }
 103
 104         /* if set_state above didn't create a gain automation child, we need to make one */
 105         if (automation_child (GainAutomation) == 0) {
 106                 create_automation_child (GainAutomation, false);
 107         }
 108
 109         /* if set_state above didn't create a mute automation child, we need to make one */
 110         if (automation_child (MuteAutomation) == 0) {
 111                 create_automation_child (MuteAutomation, false);
 112         }
 113
 114         if (_route->panner_shell()) {
 115                 _route->panner_shell()->Changed.connect (*this, invalidator (*this),
 116                                                          boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 117         }
 118
 119         /* map current state of the route */
 120
 121         processors_changed (RouteProcessorChange ());
 122         reset_processor_automation_curves ();
 123         ensure_pan_views (false);
 124         update_control_names ();
 125
 126         if (is_audio_track()) {
 127
 128                 /* ask for notifications of any new RegionViews */
 129                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 130
 131                 if (!_editor.have_idled()) {
 132                         /* first idle will do what we need */
 133                 } else {
 134                         first_idle ();
 135                 }
 136
 137         } else {
 138                 post_construct ();
 139         }
 140 }
 141
 142 AudioTimeAxisView::~AudioTimeAxisView ()
 143 {
 144 }
 145
 146 void
 147 AudioTimeAxisView::first_idle ()
 148 {
 149         _view->attach ();
 150         post_construct ();
 151 }
 152
 153 AudioStreamView*
 154 AudioTimeAxisView::audio_view()
 155 {
 156         return dynamic_cast<AudioStreamView*>(_view);
 157 }
 158
 159 guint32
 160 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 161 {
 162         set_gui_property ("visible", true);
 163         return TimeAxisView::show_at (y, nth, parent);
 164 }
 165
 166 void
 167 AudioTimeAxisView::hide ()
 168 {
 169         set_gui_property ("visible", false);
 170         TimeAxisView::hide ();
 171 }
 172
 173 void
 174 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 175 {
 176         if (param.type() == NullAutomation) {
 177                 return;
 178         }
 179
 180         AutomationTracks::iterator existing = _automation_tracks.find (param);
 181
 182         if (existing != _automation_tracks.end()) {
 183
 184                 /* automation track created because we had existing data for
 185                  * the processor, but visibility may need to be controlled
 186                  * since it will have been set visible by default.
 187                  */
 188
 189                 existing->second->set_marked_for_display (show);
 190
 191                 if (!no_redraw) {
 192                         request_redraw ();
 193                 }
 194
 195                 return;
 196         }
 197
 198         if (param.type() == GainAutomation) {
 199
 200                 create_gain_automation_child (param, show);
 201
 202         } else if (param.type() == PanWidthAutomation ||
 203                    param.type() == PanElevationAutomation ||
 204                    param.type() == PanAzimuthAutomation) {
 205
 206                 ensure_pan_views (show);
 207
 208         } else if (param.type() == PluginAutomation) {
 209
 210                 /* handled elsewhere */
 211
 212         } else if (param.type() == MuteAutomation) {
 213
 214                 create_mute_automation_child (param, show);
 215
 216
 217         } else {
 218                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 219         }
 220 }
 221
 222 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 223  *  panners that we have.
 224  *
 225  *  @param show true to show any new views that we create, otherwise false.
 226  */
 227 void
 228 AudioTimeAxisView::ensure_pan_views (bool show)
 229 {
 230         bool changed = false;
 231         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 232                 changed = true;
 233                 (*i)->set_marked_for_display (false);
 234         }
 235         if (changed) {
 236                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 237         }
 238         pan_tracks.clear();
 239
 240         if (!_route->panner()) {
 241                 return;
 242         }
 243
 244         set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
 245         set<Evoral::Parameter>::iterator p;
 246
 247         for (p = params.begin(); p != params.end(); ++p) {
 248                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_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> t (
 262                                 new AutomationTimeAxisView (_session,
 263                                                             _route,
 264                                                             _route->pannable(),
 265                                                             pan_control,
 266                                                             pan_control->parameter (),
 267                                                             _editor,
 268                                                             *this,
 269                                                             false,
 270                                                             parent_canvas,
 271                                                             name)
 272                                 );
 273
 274                         pan_tracks.push_back (t);
 275                         add_automation_child (*p, t, show);
 276                 } else {
 277                         pan_tracks.push_back (automation_child (pan_control->parameter ()));
 278                 }
 279         }
 280 }
 281
 282 void
 283 AudioTimeAxisView::update_gain_track_visibility ()
 284 {
 285         bool const showit = gain_automation_item->get_active();
 286
 287         if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
 288                 gain_track->set_marked_for_display (showit);
 289
 290                 /* now trigger a redisplay */
 291
 292                 if (!no_redraw) {
 293                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 294                 }
 295         }
 296 }
 297
 298 void
 299 AudioTimeAxisView::update_mute_track_visibility ()
 300 {
 301         bool const showit = mute_automation_item->get_active();
 302
 303         if (showit != string_is_affirmative (mute_track->gui_property ("visible"))) {
 304                 mute_track->set_marked_for_display (showit);
 305
 306                 /* now trigger a redisplay */
 307
 308                 if (!no_redraw) {
 309                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 310                 }
 311         }
 312 }
 313
 314 void
 315 AudioTimeAxisView::update_pan_track_visibility ()
 316 {
 317         bool const showit = pan_automation_item->get_active();
 318         bool changed = false;
 319
 320         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 321                 if ((*i)->set_marked_for_display (showit)) {
 322                         changed = true;
 323                 }
 324         }
 325
 326         if (changed) {
 327                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 328         }
 329 }
 330
 331 void
 332 AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 333 {
 334         if (apply_to_selection) {
 335                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
 336         } else {
 337
 338                 no_redraw = true;
 339
 340                 RouteTimeAxisView::show_all_automation ();
 341
 342                 no_redraw = false;
 343                 request_redraw ();
 344         }
 345 }
 346
 347 void
 348 AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 349 {
 350         if (apply_to_selection) {
 351                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
 352         } else {
 353                 no_redraw = true;
 354
 355                 RouteTimeAxisView::show_existing_automation ();
 356
 357                 no_redraw = false;
 358
 359                 request_redraw ();
 360         }
 361 }
 362
 363 void
 364 AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 365 {
 366         if (apply_to_selection) {
 367                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
 368         } else {
 369                 no_redraw = true;
 370
 371                 RouteTimeAxisView::hide_all_automation();
 372
 373                 no_redraw = false;
 374                 request_redraw ();
 375         }
 376 }
 377
 378 void
 379 AudioTimeAxisView::route_active_changed ()
 380 {
 381         update_control_names ();
 382 }
 383
 384
 385 /**
 386  *    Set up the names of the controls so that they are coloured
 387  *    correctly depending on whether this route is inactive or
 388  *    selected.
 389  */
 390
 391 void
 392 AudioTimeAxisView::update_control_names ()
 393 {
 394         if (is_audio_track()) {
 395                 if (_route->active()) {
 396                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 397                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 398                 } else {
 399                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 400                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 401                 }
 402         } else {
 403                 if (_route->active()) {
 404                         controls_base_selected_name = "BusControlsBaseSelected";
 405                         controls_base_unselected_name = "BusControlsBaseUnselected";
 406                 } else {
 407                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 408                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 409                 }
 410         }
 411
 412         if (get_selected()) {
 413                 controls_ebox.set_name (controls_base_selected_name);
 414                 time_axis_frame.set_name (controls_base_selected_name);
 415         } else {
 416                 controls_ebox.set_name (controls_base_unselected_name);
 417                 time_axis_frame.set_name (controls_base_unselected_name);
 418         }
 419 }
 420
 421 void
 422 AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 423 {
 424         using namespace Menu_Helpers;
 425
 426         RouteTimeAxisView::build_automation_action_menu (for_selection);
 427
 428         MenuList& automation_items = automation_action_menu->items ();
 429
 430         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 431         gain_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 432         gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 433                                           (gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
 434
 435         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 436
 437         automation_items.push_back (CheckMenuElem (_("Mute"), sigc::mem_fun (*this, &AudioTimeAxisView::update_mute_track_visibility)));
 438         mute_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 439         mute_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 440                                           (mute_track && string_is_affirmative (mute_track->gui_property ("visible"))));
 441
 442         _main_automation_menu_map[Evoral::Parameter(MuteAutomation)] = mute_automation_item;
 443
 444         if (!pan_tracks.empty()) {
 445                 automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 446                 pan_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 447                 pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 448                                                  (!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
 449
 450                 set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 451                 for (set<Evoral::Parameter>::const_iterator p = params.begin(); p != params.end(); ++p) {
 452                         _main_automation_menu_map[*p] = pan_automation_item;
 453                 }
 454         }
 455 }
 456
 457 void
 458 AudioTimeAxisView::enter_internal_edit_mode ()
 459 {
 460         if (audio_view()) {
 461                 audio_view()->enter_internal_edit_mode ();
 462         }
 463 }
 464
 465 void
 466 AudioTimeAxisView::leave_internal_edit_mode ()
 467 {
 468         if (audio_view()) {
 469                 audio_view()->leave_internal_edit_mode ();
 470         }
 471 }