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