gtk2_ardour/editor_mixer.cc

   1 /*
   2     Copyright (C) 2003-2004 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 <glibmm/miscutils.h>
  21 #include <gtkmm2ext/utils.h>
  22 #include <gtkmm2ext/window_title.h>
  23
  24 #include "pbd/enumwriter.h"
  25
  26 #include "ardour/audioengine.h"
  27
  28 #include "editor.h"
  29 #include "mixer_strip.h"
  30 #include "ardour_ui.h"
  31 #include "selection.h"
  32 #include "audio_time_axis.h"
  33 #include "actions.h"
  34
  35 #include "i18n.h"
  36
  37 using namespace std;
  38 using namespace Gtkmm2ext;
  39 using namespace PBD;
  40
  41 void
  42 Editor::editor_mixer_button_toggled ()
  43 {
  44         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
  45         if (act) {
  46                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  47                 show_editor_mixer (tact->get_active());
  48         }
  49 }
  50
  51 void
  52 Editor::editor_list_button_toggled ()
  53 {
  54         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
  55         if (act) {
  56                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  57                 show_editor_list (tact->get_active());
  58         }
  59 }
  60
  61 void
  62 Editor::cms_deleted ()
  63 {
  64         current_mixer_strip = 0;
  65 }
  66
  67 void
  68 Editor::show_editor_mixer (bool yn)
  69 {
  70         boost::shared_ptr<ARDOUR::Route> r;
  71
  72         show_editor_mixer_when_tracks_arrive = false;
  73
  74         if (!session) {
  75                 show_editor_mixer_when_tracks_arrive = yn;
  76                 return;
  77         }
  78
  79         if (yn) {
  80
  81                 if (selection->tracks.empty()) {
  82
  83                         if (track_views.empty()) {
  84                                 show_editor_mixer_when_tracks_arrive = true;
  85                                 return;
  86                         }
  87
  88                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  89                                 RouteTimeAxisView* atv;
  90
  91                                 if ((atv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
  92                                         r = atv->route();
  93                                         break;
  94                                 }
  95                         }
  96
  97                 } else {
  98                         sort_track_selection ();
  99
 100                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 101                                 RouteTimeAxisView* atv;
 102
 103                                 if ((atv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
 104                                         r = atv->route();
 105                                         break;
 106                                 }
 107                         }
 108                 }
 109
 110                 if (r) {
 111                         bool created;
 112
 113                         if (current_mixer_strip == 0) {
 114                                 create_editor_mixer ();
 115                                 created = true;
 116                         } else {
 117                                 created = false;
 118                         }
 119
 120                         current_mixer_strip->set_route (r);
 121
 122                         if (created) {
 123                                 current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 124                         }
 125                 }
 126
 127                 if (current_mixer_strip->get_parent() == 0) {
 128                         global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
 129                         global_hpacker.reorder_child (*current_mixer_strip, 0);
 130                         current_mixer_strip->show_all ();
 131                 }
 132
 133         } else {
 134
 135                 if (current_mixer_strip) {
 136                         if (current_mixer_strip->get_parent() != 0) {
 137                                 global_hpacker.remove (*current_mixer_strip);
 138                         }
 139                 }
 140         }
 141
 142 #ifdef GTKOSX
 143         /* XXX gtk problem here */
 144         ensure_all_elements_drawn();
 145 #endif
 146 }
 147
 148 #ifdef GTKOSX
 149 void
 150 Editor::ensure_all_elements_drawn ()
 151 {
 152         controls_layout.queue_draw ();
 153         ruler_label_event_box.queue_draw ();
 154         time_button_event_box.queue_draw ();
 155 }
 156 #endif
 157
 158 void
 159 Editor::show_editor_list (bool yn)
 160 {
 161         if (yn) {
 162                 the_notebook.show();
 163         } else {
 164                 the_notebook.hide();
 165         }
 166 }
 167
 168 void
 169 Editor::create_editor_mixer ()
 170 {
 171         current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
 172                                               *session,
 173                                               false);
 174         current_mixer_strip->Hiding.connect (mem_fun(*this, &Editor::current_mixer_strip_hidden));
 175         current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::current_mixer_strip_removed));
 176 #ifdef GTKOSX
 177         current_mixer_strip->WidthChanged.connect (mem_fun(*this, &Editor::ensure_all_elements_drawn));
 178 #endif
 179         current_mixer_strip->set_embedded (true);
 180 }
 181
 182 void
 183 Editor::set_selected_mixer_strip (TimeAxisView& view)
 184 {
 185         RouteTimeAxisView* at;
 186         bool created;
 187
 188         if (!session || (at = dynamic_cast<RouteTimeAxisView*>(&view)) == 0) {
 189                 return;
 190         }
 191
 192         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 193
 194         if (act) {
 195                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 196                 if (!tact || !tact->get_active()) {
 197                         /* not showing mixer strip presently */
 198                         return;
 199                 }
 200         }
 201
 202         if (current_mixer_strip == 0) {
 203                 create_editor_mixer ();
 204                 created = true;
 205         } else {
 206                 created = false;
 207         }
 208
 209         /* might be nothing to do */
 210
 211         if (current_mixer_strip->route() == at->route()) {
 212                 return;
 213         }
 214
 215         if (created) {
 216                 current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 217         }
 218
 219         current_mixer_strip->set_route (at->route());
 220 }
 221
 222 double current = 0.0;
 223
 224 void
 225 Editor::update_current_screen ()
 226 {
 227         if (_pending_locate_request) {
 228                 /* we don't update things when there's a pending locate request, otherwise
 229                    when the editor requests a locate there is a chance that this method
 230                    will move the playhead before the locate request is processed, causing
 231                    a visual glitch. */
 232                 return;
 233         }
 234
 235         if (session && session->engine().running()) {
 236
 237                 nframes64_t const frame = session->audible_frame();
 238
 239                 if (_dragging_playhead) {
 240                         goto almost_done;
 241                 }
 242
 243                 /* only update if the playhead is on screen or we are following it */
 244
 245                 if (_follow_playhead && session->requested_return_frame() < 0) {
 246
 247                         //playhead_cursor->canvas_item.show();
 248
 249                         if (frame != last_update_frame) {
 250
 251
 252 #undef CONTINUOUS_SCROLL
 253 #ifndef  CONTINUOUS_SCROLL
 254                                 if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
 255
 256                                         if (session->transport_speed() < 0) {
 257                                                 if (frame > (current_page_frames()/2)) {
 258                                                         center_screen (frame-(current_page_frames()/2));
 259                                                 } else {
 260                                                         center_screen (current_page_frames()/2);
 261                                                 }
 262                                         } else {
 263                                                 center_screen (frame+(current_page_frames()/2));
 264                                         }
 265                                 }
 266
 267                                 playhead_cursor->set_position (frame);
 268
 269 #else  // CONTINUOUS_SCROLL
 270
 271                                 /* don't do continuous scroll till the new position is in the rightmost quarter of the
 272                                    editor canvas
 273                                 */
 274
 275                                 if (session->transport_speed()) {
 276                                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
 277                                         if (target <= 0.0) target = 0.0;
 278                                         if ( fabs(target - current) < current_page_frames()/frames_per_unit ) {
 279                                                 target = (target * 0.15) + (current * 0.85);
 280                                         } else {
 281                                                 /* relax */
 282                                         }
 283                                         //printf("frame: %d,  cpf: %d,  fpu: %6.6f, current: %6.6f, target : %6.6f\n", frame, current_page_frames(), frames_per_unit, current, target );
 284                                         current = target;
 285                                         horizontal_adjustment.set_value ( current );
 286                                 }
 287
 288                                 playhead_cursor->set_position (frame);
 289
 290 #endif // CONTINUOUS_SCROLL
 291
 292                         }
 293
 294                 } else {
 295                         if (frame != last_update_frame) {
 296                                 playhead_cursor->set_position (frame);
 297                         }
 298                 }
 299
 300           almost_done:
 301                 last_update_frame = frame;
 302                 if (current_mixer_strip) {
 303                         current_mixer_strip->fast_update ();
 304                 }
 305
 306         }
 307 }
 308
 309 void
 310 Editor::current_mixer_strip_removed ()
 311 {
 312         if (current_mixer_strip) {
 313                 /* it is being deleted elsewhere */
 314                 current_mixer_strip = 0;
 315         }
 316 }
 317
 318 void
 319 Editor::current_mixer_strip_hidden ()
 320 {
 321         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 322
 323                 RouteTimeAxisView* tmp;
 324
 325                 if ((tmp = dynamic_cast<RouteTimeAxisView*>(*i)) != 0) {
 326                         if (tmp->route() == current_mixer_strip->route()) {
 327                                 (*i)->set_selected (false);
 328                                 break;
 329                         }
 330                 }
 331         }
 332
 333         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 334         if (act) {
 335                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 336                 tact->set_active (false);
 337         }
 338 }
 339
 340 void
 341 Editor::session_going_away ()
 342 {
 343         _have_idled = false;
 344
 345         for (vector<sigc::connection>::iterator i = session_connections.begin(); i != session_connections.end(); ++i) {
 346                 (*i).disconnect ();
 347         }
 348
 349         stop_scrolling ();
 350         selection->clear ();
 351         cut_buffer->clear ();
 352
 353         clicked_regionview = 0;
 354         clicked_axisview = 0;
 355         clicked_routeview = 0;
 356         clicked_crossfadeview = 0;
 357         entered_regionview = 0;
 358         entered_track = 0;
 359         last_update_frame = 0;
 360         _drag = 0;
 361
 362         playhead_cursor->canvas_item.hide ();
 363
 364         /* hide all tracks */
 365
 366         hide_all_tracks (false);
 367
 368         /* rip everything out of the list displays */
 369
 370         region_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 371         route_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 372         named_selection_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 373         edit_group_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 374
 375         region_list_model->clear ();
 376         route_display_model->clear ();
 377         named_selection_model->clear ();
 378         group_model->clear ();
 379
 380         region_list_display.set_model (region_list_model);
 381         route_list_display.set_model (route_display_model);
 382         named_selection_display.set_model (named_selection_model);
 383         edit_group_display.set_model (group_model);
 384
 385         edit_point_clock_connection_a.disconnect();
 386         edit_point_clock_connection_b.disconnect();
 387
 388         edit_point_clock.set_session (0);
 389         zoom_range_clock.set_session (0);
 390         nudge_clock.set_session (0);
 391
 392         editor_list_button.set_active(false);
 393         editor_list_button.set_sensitive(false);
 394
 395         /* clear tempo/meter rulers */
 396         remove_metric_marks ();
 397         hide_measures ();
 398         clear_marker_display ();
 399
 400         delete current_bbt_points;
 401         current_bbt_points = 0;
 402
 403         /* get rid of any existing editor mixer strip */
 404
 405         if (current_mixer_strip) {
 406                 if (current_mixer_strip->get_parent() != 0) {
 407                         global_hpacker.remove (*current_mixer_strip);
 408                 }
 409                 delete current_mixer_strip;
 410                 current_mixer_strip = 0;
 411         }
 412
 413         WindowTitle title(Glib::get_application_name());
 414         title += _("Editor");
 415
 416         set_title (title.get_string());
 417
 418         session = 0;
 419 }
 420
 421 void
 422 Editor::maybe_add_mixer_strip_width (XMLNode& node)
 423 {
 424         if (current_mixer_strip) {
 425                 node.add_property ("mixer-width", enum_2_string (current_mixer_strip->get_width()));
 426         }
 427 }
 428