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