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 (_route->panner_shell()) {
 108                 _route->panner_shell()->Changed.connect (*this, invalidator (*this),
 109                                                          boost::bind (&AudioTimeAxisView::ensure_pan_views, this, false), gui_context());
 110         }
 111
 112         /* map current state of the route */
 113
 114         processors_changed (RouteProcessorChange ());
 115         reset_processor_automation_curves ();
 116         ensure_pan_views (false);
 117         update_control_names ();
 118
 119         if (is_audio_track()) {
 120
 121                 /* ask for notifications of any new RegionViews */
 122                 _view->RegionViewAdded.connect (sigc::mem_fun(*this, &AudioTimeAxisView::region_view_added));
 123
 124                 if (!_editor.have_idled()) {
 125                         /* first idle will do what we need */
 126                 } else {
 127                         first_idle ();
 128                 }
 129
 130         } else {
 131                 post_construct ();
 132         }
 133 }
 134
 135 AudioTimeAxisView::~AudioTimeAxisView ()
 136 {
 137 }
 138
 139 void
 140 AudioTimeAxisView::first_idle ()
 141 {
 142         _view->attach ();
 143         post_construct ();
 144 }
 145
 146 AudioStreamView*
 147 AudioTimeAxisView::audio_view()
 148 {
 149         return dynamic_cast<AudioStreamView*>(_view);
 150 }
 151
 152 guint32
 153 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 154 {
 155         set_gui_property ("visible", true);
 156         return TimeAxisView::show_at (y, nth, parent);
 157 }
 158
 159 void
 160 AudioTimeAxisView::hide ()
 161 {
 162         set_gui_property ("visible", false);
 163         TimeAxisView::hide ();
 164 }
 165
 166 void
 167 AudioTimeAxisView::create_automation_child (const Evoral::Parameter& param, bool show)
 168 {
 169         if (param.type() == NullAutomation) {
 170                 return;
 171         }
 172
 173         AutomationTracks::iterator existing = _automation_tracks.find (param);
 174
 175         if (existing != _automation_tracks.end()) {
 176
 177                 /* automation track created because we had existing data for
 178                  * the processor, but visibility may need to be controlled
 179                  * since it will have been set visible by default.
 180                  */
 181
 182                 existing->second->set_marked_for_display (show);
 183
 184                 if (!no_redraw) {
 185                         request_redraw ();
 186                 }
 187
 188                 return;
 189         }
 190
 191         if (param.type() == GainAutomation) {
 192
 193                 create_gain_automation_child (param, show);
 194
 195         } else if (param.type() == PanWidthAutomation ||
 196                    param.type() == PanElevationAutomation ||
 197                    param.type() == PanAzimuthAutomation) {
 198
 199                 ensure_pan_views (show);
 200
 201         } else if (param.type() == PluginAutomation) {
 202
 203                 /* handled elsewhere */
 204
 205         } else {
 206                 error << "AudioTimeAxisView: unknown automation child " << EventTypeMap::instance().to_symbol(param) << endmsg;
 207         }
 208 }
 209
 210 /** Ensure that we have the appropriate AutomationTimeAxisViews for the
 211  *  panners that we have.
 212  *
 213  *  @param show true to show any new views that we create, otherwise false.
 214  */
 215 void
 216 AudioTimeAxisView::ensure_pan_views (bool show)
 217 {
 218         bool changed = false;
 219         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 220                 changed = true;
 221                 (*i)->set_marked_for_display (false);
 222         }
 223         if (changed) {
 224                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 225         }
 226         pan_tracks.clear();
 227
 228         if (!_route->panner()) {
 229                 return;
 230         }
 231
 232         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 = _route->pannable()->automation_control(*p);
 237
 238                 if (pan_control->parameter().type() == NullAutomation) {
 239                         error << "Pan control has NULL automation type!" << endmsg;
 240                         continue;
 241                 }
 242
 243                 if (automation_child (pan_control->parameter ()).get () == 0) {
 244
 245                         /* we don't already have an AutomationTimeAxisView for this parameter */
 246
 247                         std::string const name = _route->panner()->describe_parameter (pan_control->parameter ());
 248
 249                         boost::shared_ptr<AutomationTimeAxisView> t (
 250                                 new AutomationTimeAxisView (_session,
 251                                                             _route,
 252                                                             _route->pannable(),
 253                                                             pan_control,
 254                                                             pan_control->parameter (),
 255                                                             _editor,
 256                                                             *this,
 257                                                             false,
 258                                                             parent_canvas,
 259                                                             name)
 260                                 );
 261
 262                         pan_tracks.push_back (t);
 263                         add_automation_child (*p, t, show);
 264                 } else {
 265                         pan_tracks.push_back (automation_child (pan_control->parameter ()));
 266                 }
 267         }
 268 }
 269
 270 void
 271 AudioTimeAxisView::update_gain_track_visibility ()
 272 {
 273         bool const showit = gain_automation_item->get_active();
 274
 275         if (showit != string_is_affirmative (gain_track->gui_property ("visible"))) {
 276                 gain_track->set_marked_for_display (showit);
 277
 278                 /* now trigger a redisplay */
 279
 280                 if (!no_redraw) {
 281                          _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 282                 }
 283         }
 284 }
 285
 286 void
 287 AudioTimeAxisView::update_pan_track_visibility ()
 288 {
 289         bool const showit = pan_automation_item->get_active();
 290         bool changed = false;
 291
 292         for (list<boost::shared_ptr<AutomationTimeAxisView> >::iterator i = pan_tracks.begin(); i != pan_tracks.end(); ++i) {
 293                 if ((*i)->set_marked_for_display (showit)) {
 294                         changed = true;
 295                 }
 296         }
 297
 298         if (changed) {
 299                 _route->gui_changed (X_("visible_tracks"), (void *) 0); /* EMIT_SIGNAL */
 300         }
 301 }
 302
 303 void
 304 AudioTimeAxisView::show_all_automation (bool apply_to_selection)
 305 {
 306         if (apply_to_selection) {
 307                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_all_automation, _1, false));
 308         } else {
 309
 310                 no_redraw = true;
 311
 312                 RouteTimeAxisView::show_all_automation ();
 313
 314                 no_redraw = false;
 315                 request_redraw ();
 316         }
 317 }
 318
 319 void
 320 AudioTimeAxisView::show_existing_automation (bool apply_to_selection)
 321 {
 322         if (apply_to_selection) {
 323                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::show_existing_automation, _1, false));
 324         } else {
 325                 no_redraw = true;
 326
 327                 RouteTimeAxisView::show_existing_automation ();
 328
 329                 no_redraw = false;
 330
 331                 request_redraw ();
 332         }
 333 }
 334
 335 void
 336 AudioTimeAxisView::hide_all_automation (bool apply_to_selection)
 337 {
 338         if (apply_to_selection) {
 339                 _editor.get_selection().tracks.foreach_audio_time_axis (boost::bind (&AudioTimeAxisView::hide_all_automation, _1, false));
 340         } else {
 341                 no_redraw = true;
 342
 343                 RouteTimeAxisView::hide_all_automation();
 344
 345                 no_redraw = false;
 346                 request_redraw ();
 347         }
 348 }
 349
 350 void
 351 AudioTimeAxisView::route_active_changed ()
 352 {
 353         update_control_names ();
 354 }
 355
 356
 357 /**
 358  *    Set up the names of the controls so that they are coloured
 359  *    correctly depending on whether this route is inactive or
 360  *    selected.
 361  */
 362
 363 void
 364 AudioTimeAxisView::update_control_names ()
 365 {
 366         if (is_audio_track()) {
 367                 if (_route->active()) {
 368                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
 369                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 370                 } else {
 371                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
 372                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
 373                 }
 374         } else {
 375                 if (_route->active()) {
 376                         controls_base_selected_name = "BusControlsBaseSelected";
 377                         controls_base_unselected_name = "BusControlsBaseUnselected";
 378                 } else {
 379                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
 380                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
 381                 }
 382         }
 383
 384         if (get_selected()) {
 385                 controls_ebox.set_name (controls_base_selected_name);
 386         } else {
 387                 controls_ebox.set_name (controls_base_unselected_name);
 388         }
 389 }
 390
 391 void
 392 AudioTimeAxisView::build_automation_action_menu (bool for_selection)
 393 {
 394         using namespace Menu_Helpers;
 395
 396         RouteTimeAxisView::build_automation_action_menu (for_selection);
 397
 398         MenuList& automation_items = automation_action_menu->items ();
 399
 400         automation_items.push_back (CheckMenuElem (_("Fader"), sigc::mem_fun (*this, &AudioTimeAxisView::update_gain_track_visibility)));
 401         gain_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 402         gain_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 403                                           (gain_track && string_is_affirmative (gain_track->gui_property ("visible"))));
 404
 405         _main_automation_menu_map[Evoral::Parameter(GainAutomation)] = gain_automation_item;
 406
 407         if (!pan_tracks.empty()) {
 408                 automation_items.push_back (CheckMenuElem (_("Pan"), sigc::mem_fun (*this, &AudioTimeAxisView::update_pan_track_visibility)));
 409                 pan_automation_item = dynamic_cast<Gtk::CheckMenuItem*> (&automation_items.back ());
 410                 pan_automation_item->set_active ((!for_selection || _editor.get_selection().tracks.size() == 1) &&
 411                                                  (!pan_tracks.empty() && string_is_affirmative (pan_tracks.front()->gui_property ("visible"))));
 412
 413                 set<Evoral::Parameter> const & params = _route->pannable()->what_can_be_automated ();
 414                 for (set<Evoral::Parameter>::const_iterator p = params.begin(); p != params.end(); ++p) {
 415                         _main_automation_menu_map[*p] = pan_automation_item;
 416                 }
 417         }
 418 }
 419
 420 void
 421 AudioTimeAxisView::enter_internal_edit_mode ()
 422 {
 423         if (audio_view()) {
 424                 audio_view()->enter_internal_edit_mode ();
 425         }
 426 }
 427
 428 void
 429 AudioTimeAxisView::leave_internal_edit_mode ()
 430 {
 431         if (audio_view()) {
 432                 audio_view()->leave_internal_edit_mode ();
 433         }
 434 }