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 PBD;
  64 using namespace Gtk;
  65 using namespace Editing;
  66
  67 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session* sess, ArdourCanvas::Canvas& canvas)
  68         : AxisView(sess)
  69         , RouteTimeAxisView(ed, sess, canvas)
  70 {
  71 }
  72
  73 void
  74 AudioTimeAxisView::set_route (boost::shared_ptr<Route> rt)
  75 {
  76         _route = rt;
  77
  78         /* RouteTimeAxisView::set_route() sets up some things in the View,
  79            so it must be created before RouteTimeAxis::set_route() is
  80            called.
  81         */
  82         _view = new AudioStreamView (*this);
  83
  84         RouteTimeAxisView::set_route (rt);
  85
  86         _view->apply_color (color (), StreamView::RegionColor);
  87
  88         // Make sure things are sane...
  89         assert(!is_track() || is_audio_track());
  90
  91         subplugin_menu.set_name ("ArdourContextMenu");
  92
  93         ignore_toggle = 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         /* if set_state above didn't create a gain automation child, we need to make one */
 102         if (automation_child (GainAutomation) == 0) {
 103                 create_automation_child (GainAutomation, false);
 104         }
 105
 106         if (_route->panner_shell()) {
 107                 _route->panner_shell()->Changed.connect (*this, invalidator (*this),
 108                                                          boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 109         }
 110
 111         /* map current state of the route */
 112
 113         processors_changed (RouteProcessorChange ());
 114         reset_processor_automation_curves ();
 115         ensure_pan_views (false);
 116         update_control_names ();
 117
 118         if (is_audio_track()) {
 119
 120                 /* ask for notifications of any new RegionViews */
 121                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 122
 123                 if (!_editor.have_idled()) {
 124                         /* first idle will do what we need */
 125                 } else {
 126                         first_idle ();
 127                 }
 128
 129         } else {
 130                 post_construct ();
 131         }
 132 }
 133
 134 AudioTimeAxisView::~AudioTimeAxisView ()
 135 {
 136 }
 137
 138 void
 139 AudioTimeAxisView::first_idle ()
 140 {
 141         _view->attach ();
 142         post_construct ();
 143 }
 144
 145 AudioStreamView*
 146 AudioTimeAxisView::audio_view()
 147 {
 148         return dynamic_cast<AudioStreamView*>(_view);
 149 }
 150
 151 guint32
 152 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 153 {
 154         set_gui_property ("visible", true);
 155         return TimeAxisView::show_at (y, nth, parent);
 156 }
 157
 158 void
 159 AudioTimeAxisView::hide ()
 160 {
 161         set_gui_property ("visible", false);
 162         TimeAxisView::hide ();
 163 }
 164
 165 void
 166 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 167 {
 168         if (param.type() == NullAutomation) {
 169                 return;
 170         }
 171
 172         AutomationTracks::iterator existing = _automation_tracks.find (param);
 173
 174         if (existing != _automation_tracks.end()) {
 175
 176                 /* automation track created because we had existing data for
 177                  * the processor, but visibility may need to be controlled
 178                  * since it will have been set visible by default.
 179                  */
 180
 181                 existing->second->set_marked_for_display (show);
 182
 183                 if (!no_redraw) {
 184                         request_redraw ();
 185                 }
 186
 187                 return;
 188         }
 189
 190         if (param.type() == GainAutomation) {
 191
 192                 create_gain_automation_child (param, show);
 193
 194         } else if (param.type() == PanWidthAutomation ||
 195                    param.type() == PanElevationAutomation ||
 196                    param.type() == PanAzimuthAutomation) {
 197
 198                 ensure_pan_views (show);
 199
 200         } else if (param.type() == PluginAutomation) {
 201
 202                 /* handled elsewhere */
 203
 204         } else {
 205                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 206         }
 207 }
 208
 209 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 210  *  panners that we have.
 211  *
 212  *  @param show true to show any new views that we create, otherwise false.
 213  */
 214 void
 215 AudioTimeAxisView::ensure_pan_views (bool show)
 216 {
 217         bool changed = false;
 218         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 219                 changed = true;
 220                 (*i)->set_marked_for_display (false);
 221         }
 222         if (changed) {
 223                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 224         }
 225         pan_tracks.clear();
 226
 227         if (!_route->panner()) {
 228                 return;
 229         }
 230
 231         set<Evoral::Parameter> params = _route->panner()->what_can_be_automated();
 232         set<Evoral::Parameter>::iterator p;
 233
 234         for (p = params.begin(); p != params.end(); ++p) {
 235                 boost::shared_ptr<ARDOUR::AutomationControl> pan_control = _route->pannable()->automation_control(*p);
 236
 237                 if (pan_control->parameter().type() == NullAutomation) {
 238                         error << "Pan control has NULL automation type!" << endmsg;
 239                         continue;
 240                 }
 241
 242                 if (automation_child (pan_control->parameter ()).get () == 0) {
 243
 244                         /* we don't already have an AutomationTimeAxisView for this parameter */
 245
 246                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 247
 248                         boost::shared_ptr<AutomationTimeAxisView> t (
 249                                 new AutomationTimeAxisView (_session,
 250                                                             _route,
 251                                                             _route->pannable(),
 252                                                             pan_control,
 253                                                             pan_control->parameter (),
 254                                                             _editor,
 255                                                             *this,
 256                                                             false,
 257                                                             parent_canvas,
 258                                                             name)
 259                                 );
 260
 261                         pan_tracks.push_back (t);
 262                         add_automation_child (*p, t, show);
 263                 } else {
 264                         pan_tracks.push_back (automation_child (pan_control->parameter ()));
 265                 }
 266         }
 267 }
 268
 269 void
 270 AudioTimeAxisView::update_gain_track_visibility ()
 271 {
 272         bool const showit = gain_automation_item->get_active();
 273
 274         if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
 275                 gain_track->set_marked_for_display (showit);
 276
 277                 /* now trigger a redisplay */
 278
 279                 if (!no_redraw) {
 280                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 281                 }
 282         }
 283 }
 284
 285 void
 286 AudioTimeAxisView::update_pan_track_visibility ()
 287 {
 288         bool const showit = pan_automation_item->get_active();
 289         bool changed = false;
 290
 291         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 292                 if ((*i)->set_marked_for_display (showit)) {
 293                         changed = true;
 294                 }
 295         }
 296
 297         if (changed) {
 298                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 299         }
 300 }
 301
 302 void
 303 AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 304 {
 305         if (apply_to_selection) {
 306                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
 307         } else {
 308
 309                 no_redraw = true;
 310
 311                 RouteTimeAxisView::show_all_automation ();
 312
 313                 no_redraw = false;
 314                 request_redraw ();
 315         }
 316 }
 317
 318 void
 319 AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 320 {
 321         if (apply_to_selection) {
 322                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
 323         } else {
 324                 no_redraw = true;
 325
 326                 RouteTimeAxisView::show_existing_automation ();
 327
 328                 no_redraw = false;
 329
 330                 request_redraw ();
 331         }
 332 }
 333
 334 void
 335 AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 336 {
 337         if (apply_to_selection) {
 338                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
 339         } else {
 340                 no_redraw = true;
 341
 342                 RouteTimeAxisView::hide_all_automation();
 343
 344                 no_redraw = false;
 345                 request_redraw ();
 346         }
 347 }
 348
 349 void
 350 AudioTimeAxisView::route_active_changed ()
 351 {
 352         update_control_names ();
 353 }
 354
 355
 356 /**
 357  *    Set up the names of the controls so that they are coloured
 358  *    correctly depending on whether this route is inactive or
 359  *    selected.
 360  */
 361
 362 void
 363 AudioTimeAxisView::update_control_names ()
 364 {
 365         if (is_audio_track()) {
 366                 if (_route->active()) {
 367                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 368                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 369                 } else {
 370                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 371                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 372                 }
 373         } else {
 374                 if (_route->active()) {
 375                         controls_base_selected_name = "BusControlsBaseSelected";
 376                         controls_base_unselected_name = "BusControlsBaseUnselected";
 377                 } else {
 378                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 379                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 380                 }
 381         }
 382
 383         if (get_selected()) {
 384                 controls_ebox.set_name (controls_base_selected_name);
 385         } else {
 386                 controls_ebox.set_name (controls_base_unselected_name);
 387         }
 388 }
 389
 390 void
 391 AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 392 {
 393         using namespace Menu_Helpers;
 394
 395         RouteTimeAxisView::build_automation_action_menu (for_selection);
 396
 397         MenuList& automation_items = automation_action_menu->items ();
 398
 399         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 400         gain_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 401         gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 402                                           (gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
 403
 404         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 405
 406         if (!pan_tracks.empty()) {
 407                 automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 408                 pan_automation_item = dynamic_cast<CheckMenuItem*> (&automation_items.back ());
 409                 pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 410                                                  (!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
 411
 412                 set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 413                 for (set<Evoral::Parameter>::iterator p = params.begin(); p != params.end(); ++p) {
 414                         _main_automation_menu_map[*p] = pan_automation_item;
 415                 }
 416         }
 417 }
 418
 419 void
 420 AudioTimeAxisView::enter_internal_edit_mode ()
 421 {
 422         if (audio_view()) {
 423                 audio_view()->enter_internal_edit_mode ();
 424         }
 425 }
 426
 427 void
 428 AudioTimeAxisView::leave_internal_edit_mode ()
 429 {
 430         if (audio_view()) {
 431                 audio_view()->leave_internal_edit_mode ();
 432         }
 433 }