gtk2_ardour/editor_rulers.cc

   1 /*
   2     Copyright (C) 2000 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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <cstdio> // for sprintf, grrr
  25 #include <cmath>
  26 #include <inttypes.h>
  27
  28 #include <string>
  29
  30 #include <gtk/gtkaction.h>
  31
  32 #include "ardour/session.h"
  33 #include "ardour/tempo.h"
  34 #include "ardour/profile.h"
  35 #include <gtkmm2ext/gtk_ui.h>
  36
  37 #include "editor.h"
  38 #include "editing.h"
  39 #include "actions.h"
  40 #include "gtk-custom-hruler.h"
  41 #include "gui_thread.h"
  42 #include "time_axis_view.h"
  43 #include "editor_drag.h"
  44 #include "editor_cursors.h"
  45
  46 #include "i18n.h"
  47
  48 using namespace ARDOUR;
  49 using namespace PBD;
  50 using namespace Gtk;
  51 using namespace Editing;
  52
  53 Editor *Editor::ruler_editor;
  54
  55 /* the order here must match the "metric" enums in editor.h */
  56
  57 GtkCustomMetric Editor::ruler_metrics[4] = {
  58         {1, Editor::_metric_get_timecode },
  59         {1, Editor::_metric_get_bbt },
  60         {1, Editor::_metric_get_samples },
  61         {1, Editor::_metric_get_minsec }
  62 };
  63
  64 void
  65 Editor::initialize_rulers ()
  66 {
  67         ruler_editor = this;
  68         ruler_grabbed_widget = 0;
  69
  70         _ruler_separator = new Gtk::HSeparator();
  71         _ruler_separator->set_size_request(-1, 2);
  72         _ruler_separator->set_name("TimebarPadding");
  73         _ruler_separator->show();
  74
  75         _minsec_ruler = gtk_custom_hruler_new ();
  76         minsec_ruler = Glib::wrap (_minsec_ruler);
  77         minsec_ruler->set_name ("MinSecRuler");
  78         minsec_ruler->set_size_request (-1, (int)timebar_height);
  79         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
  80         minsec_ruler->hide ();
  81         minsec_ruler->set_no_show_all();
  82
  83         _timecode_ruler = gtk_custom_hruler_new ();
  84         timecode_ruler = Glib::wrap (_timecode_ruler);
  85         timecode_ruler->set_name ("TimecodeRuler");
  86         timecode_ruler->set_size_request (-1, (int)timebar_height);
  87         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_timecode_ruler), &ruler_metrics[ruler_metric_timecode]);
  88         timecode_ruler->hide ();
  89         timecode_ruler->set_no_show_all();
  90         timecode_nmarks = 0;
  91
  92         _bbt_ruler = gtk_custom_hruler_new ();
  93         bbt_ruler = Glib::wrap (_bbt_ruler);
  94         bbt_ruler->set_name ("BBTRuler");
  95         bbt_ruler->set_size_request (-1, (int)timebar_height);
  96         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
  97         bbt_ruler->hide ();
  98         bbt_ruler->set_no_show_all();
  99         bbt_nmarks = 0;
 100
 101         _samples_ruler = gtk_custom_hruler_new ();
 102         samples_ruler = Glib::wrap (_samples_ruler);
 103         samples_ruler->set_name ("SamplesRuler");
 104         samples_ruler->set_size_request (-1, (int) timebar_height);
 105         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER (_samples_ruler), &ruler_metrics[ruler_metric_samples]);
 106         samples_ruler->hide ();
 107         samples_ruler->set_no_show_all ();
 108
 109         _bbt_ruler = gtk_custom_hruler_new ();
 110         bbt_ruler = Glib::wrap (_bbt_ruler);
 111         bbt_ruler->set_name ("BBTRuler");
 112         bbt_ruler->set_size_request (-1, (int)timebar_height);
 113         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
 114         bbt_ruler->hide ();
 115         bbt_ruler->set_no_show_all();
 116         minsec_ruler->hide ();
 117         minsec_ruler->set_no_show_all();
 118         minsec_nmarks = 0;
 119
 120         using namespace Box_Helpers;
 121         BoxList & ruler_lab_children =  ruler_label_vbox.children();
 122         BoxList & ruler_children =  time_canvas_vbox.children();
 123         BoxList & lab_children =  time_button_vbox.children();
 124
 125         BoxList::iterator canvaspos = ruler_children.begin();
 126
 127         lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
 128         lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
 129         lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
 130         lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
 131         lab_children.push_back (Element(cd_mark_label, PACK_SHRINK, PACK_START));
 132         lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
 133
 134         ruler_lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
 135         ruler_children.insert (canvaspos, Element(*minsec_ruler, PACK_SHRINK, PACK_START));
 136         ruler_lab_children.push_back (Element(timecode_label, PACK_SHRINK, PACK_START));
 137         ruler_children.insert (canvaspos, Element(*timecode_ruler, PACK_SHRINK, PACK_START));
 138         ruler_lab_children.push_back (Element(samples_label, PACK_SHRINK, PACK_START));
 139         ruler_children.insert (canvaspos, Element (*samples_ruler, PACK_SHRINK, PACK_START));
 140         ruler_lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
 141         ruler_children.insert (canvaspos, Element(*bbt_ruler, PACK_SHRINK, PACK_START));
 142
 143         timecode_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 144         bbt_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 145         samples_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 146         minsec_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 147
 148         timecode_ruler->signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_release));
 149         bbt_ruler->signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_release));
 150         samples_ruler->signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_release));
 151         minsec_ruler->signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_release));
 152
 153         timecode_ruler->signal_button_press_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_press));
 154         bbt_ruler->signal_button_press_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_press));
 155         samples_ruler->signal_button_press_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_press));
 156         minsec_ruler->signal_button_press_event().connect (sigc::mem_fun(*this, &Editor::ruler_button_press));
 157
 158         timecode_ruler->signal_motion_notify_event().connect (sigc::mem_fun(*this, &Editor::ruler_mouse_motion));
 159         bbt_ruler->signal_motion_notify_event().connect (sigc::mem_fun(*this, &Editor::ruler_mouse_motion));
 160         samples_ruler->signal_motion_notify_event().connect (sigc::mem_fun(*this, &Editor::ruler_mouse_motion));
 161         minsec_ruler->signal_motion_notify_event().connect (sigc::mem_fun(*this, &Editor::ruler_mouse_motion));
 162
 163         timecode_ruler->signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::ruler_scroll));
 164         bbt_ruler->signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::ruler_scroll));
 165         samples_ruler->signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::ruler_scroll));
 166         minsec_ruler->signal_scroll_event().connect (sigc::mem_fun(*this, &Editor::ruler_scroll));
 167
 168         visible_timebars = 0; /*this will be changed below */
 169         canvas_timebars_vsize = 0;
 170 }
 171
 172 bool
 173 Editor::ruler_scroll (GdkEventScroll* event)
 174 {
 175         framepos_t xdelta;
 176         int direction = event->direction;
 177         bool handled = false;
 178
 179         switch (direction) {
 180         case GDK_SCROLL_UP:
 181                 temporal_zoom_step (true);
 182                 handled = true;
 183                 break;
 184
 185         case GDK_SCROLL_DOWN:
 186                 temporal_zoom_step (false);
 187                 handled = true;
 188                 break;
 189
 190         case GDK_SCROLL_LEFT:
 191                 xdelta = (current_page_frames() / 2);
 192                 if (leftmost_frame > xdelta) {
 193                         reset_x_origin (leftmost_frame - xdelta);
 194                 } else {
 195                         reset_x_origin (0);
 196                 }
 197                 handled = true;
 198                 break;
 199
 200         case GDK_SCROLL_RIGHT:
 201                 xdelta = (current_page_frames() / 2);
 202                 if (max_framepos - xdelta > leftmost_frame) {
 203                         reset_x_origin (leftmost_frame + xdelta);
 204                 } else {
 205                         reset_x_origin (max_framepos - current_page_frames());
 206                 }
 207                 handled = true;
 208                 break;
 209
 210         default:
 211                 /* what? */
 212                 break;
 213         }
 214
 215         return handled;
 216 }
 217
 218
 219 bool
 220 Editor::ruler_button_press (GdkEventButton* ev)
 221 {
 222         if (_session == 0) {
 223                 return false;
 224         }
 225
 226         // jlc: grab ev->window ?
 227         //Gtk::Main::grab_add (*minsec_ruler);
 228         Widget * grab_widget = 0;
 229
 230         if (timecode_ruler->is_realized() && ev->window == timecode_ruler->get_window()->gobj()) {
 231                 grab_widget = timecode_ruler;
 232         } else if (bbt_ruler->is_realized() && ev->window == bbt_ruler->get_window()->gobj()) {
 233                 grab_widget = bbt_ruler;
 234         } else if (samples_ruler->is_realized() && ev->window == samples_ruler->get_window()->gobj()) {
 235                 grab_widget = samples_ruler;
 236         } else if (minsec_ruler->is_realized() && ev->window == minsec_ruler->get_window()->gobj()) {
 237                 grab_widget = minsec_ruler;
 238         }
 239
 240         if (grab_widget) {
 241                 grab_widget->add_modal_grab ();
 242                 ruler_grabbed_widget = grab_widget;
 243         }
 244
 245         if (ev->button == 1) {
 246                 // Since we will locate the playhead on button release, cancel any running
 247                 // auditions.
 248                 if (_session->is_auditioning()) {
 249                         _session->cancel_audition ();
 250                 }
 251
 252                 /* playhead cursor */
 253                 _drags->set (new CursorDrag (this, &playhead_cursor->canvas_item, false), reinterpret_cast<GdkEvent *> (ev));
 254                 _dragging_playhead = true;
 255         }
 256
 257         return true;
 258 }
 259
 260 bool
 261 Editor::ruler_button_release (GdkEventButton* ev)
 262 {
 263         if (_session == 0) {
 264                 return false;
 265         }
 266
 267         gint x,y;
 268         Gdk::ModifierType state;
 269
 270         if (_drags->active ()) {
 271                 _drags->end_grab (reinterpret_cast<GdkEvent*> (ev));
 272                 _dragging_playhead = false;
 273         }
 274
 275         if (ev->button == 3) {
 276                 /* need to use the correct x,y, the event lies */
 277                 time_canvas_event_box.get_window()->get_pointer (x, y, state);
 278
 279                 stop_canvas_autoscroll();
 280
 281                 framepos_t where = leftmost_frame + pixel_to_frame (x);
 282                 snap_to (where);
 283                 popup_ruler_menu (where);
 284         }
 285
 286         if (ruler_grabbed_widget) {
 287                 ruler_grabbed_widget->remove_modal_grab();
 288                 ruler_grabbed_widget = 0;
 289         }
 290
 291         return true;
 292 }
 293
 294 bool
 295 Editor::ruler_label_button_release (GdkEventButton* ev)
 296 {
 297         if (ev->button == 3) {
 298                 Gtk::Menu* m = dynamic_cast<Gtk::Menu*> (ActionManager::get_widget (X_("/RulerMenuPopup")));
 299                 if (m) {
 300                         m->popup (1, ev->time);
 301                 }
 302         }
 303
 304         return true;
 305 }
 306
 307
 308 bool
 309 Editor::ruler_mouse_motion (GdkEventMotion* ev)
 310 {
 311         if (_session == 0) {
 312                 return false;
 313         }
 314
 315         if (_drags->active ()) {
 316                 _drags->motion_handler (reinterpret_cast<GdkEvent*> (ev), false);
 317         }
 318
 319         return true;
 320 }
 321
 322
 323 void
 324 Editor::popup_ruler_menu (framepos_t where, ItemType t)
 325 {
 326         using namespace Menu_Helpers;
 327
 328         if (editor_ruler_menu == 0) {
 329                 editor_ruler_menu = new Menu;
 330                 editor_ruler_menu->set_name ("ArdourContextMenu");
 331         }
 332
 333         // always build from scratch
 334         MenuList& ruler_items = editor_ruler_menu->items();
 335         editor_ruler_menu->set_name ("ArdourContextMenu");
 336         ruler_items.clear();
 337
 338         switch (t) {
 339         case MarkerBarItem:
 340                 ruler_items.push_back (MenuElem (_("New location marker"), sigc::bind ( sigc::mem_fun(*this, &Editor::mouse_add_new_marker), where, false, false)));
 341                 ruler_items.push_back (MenuElem (_("Clear all locations"), sigc::mem_fun(*this, &Editor::clear_markers)));
 342                 ruler_items.push_back (MenuElem (_("Unhide locations"), sigc::mem_fun(*this, &Editor::unhide_markers)));
 343                 ruler_items.push_back (SeparatorElem ());
 344                 break;
 345         case RangeMarkerBarItem:
 346                 //ruler_items.push_back (MenuElem (_("New Range")));
 347                 ruler_items.push_back (MenuElem (_("Clear all ranges"), sigc::mem_fun(*this, &Editor::clear_ranges)));
 348                 ruler_items.push_back (MenuElem (_("Unhide ranges"), sigc::mem_fun(*this, &Editor::unhide_ranges)));
 349                 ruler_items.push_back (SeparatorElem ());
 350
 351                 break;
 352         case TransportMarkerBarItem:
 353
 354                 break;
 355
 356         case CdMarkerBarItem:
 357                 // TODO
 358                 ruler_items.push_back (MenuElem (_("New CD track marker"), sigc::bind ( sigc::mem_fun(*this, &Editor::mouse_add_new_marker), where, true, false)));
 359                 break;
 360
 361
 362         case TempoBarItem:
 363                 ruler_items.push_back (MenuElem (_("New Tempo"), sigc::bind ( sigc::mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
 364                 ruler_items.push_back (SeparatorElem ());
 365                 break;
 366
 367         case MeterBarItem:
 368                 ruler_items.push_back (MenuElem (_("New Meter"), sigc::bind ( sigc::mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
 369                 ruler_items.push_back (SeparatorElem ());
 370                 break;
 371
 372         default:
 373                 break;
 374         }
 375
 376         Glib::RefPtr<Action> action;
 377
 378         action = ActionManager::get_action ("Rulers", "toggle-minsec-ruler");
 379         if (action) {
 380                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 381         }
 382         if (!Profile->get_sae()) {
 383                 action = ActionManager::get_action ("Rulers", "toggle-timecode-ruler");
 384                 if (action) {
 385                         ruler_items.push_back (MenuElem (*action->create_menu_item()));
 386                 }
 387         }
 388         action = ActionManager::get_action ("Rulers", "toggle-samples-ruler");
 389         if (action) {
 390                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 391         }
 392         action = ActionManager::get_action ("Rulers", "toggle-bbt-ruler");
 393         if (action) {
 394                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 395         }
 396         action = ActionManager::get_action ("Rulers", "toggle-meter-ruler");
 397         if (action) {
 398                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 399         }
 400         action = ActionManager::get_action ("Rulers", "toggle-tempo-ruler");
 401         if (action) {
 402                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 403         }
 404         if (!Profile->get_sae()) {
 405                 action = ActionManager::get_action ("Rulers", "toggle-range-ruler");
 406                 if (action) {
 407                         ruler_items.push_back (MenuElem (*action->create_menu_item()));
 408                 }
 409         }
 410         action = ActionManager::get_action ("Rulers", "toggle-loop-punch-ruler");
 411         if (action) {
 412                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 413         }
 414         action = ActionManager::get_action ("Rulers", "toggle-cd-marker-ruler");
 415         if (action) {
 416                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 417         }
 418         action = ActionManager::get_action ("Rulers", "toggle-marker-ruler");
 419         if (action) {
 420                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 421         }
 422
 423         editor_ruler_menu->popup (1, gtk_get_current_event_time());
 424
 425         no_ruler_shown_update = false;
 426 }
 427
 428 void
 429 Editor::store_ruler_visibility ()
 430 {
 431         XMLNode* node = new XMLNode(X_("RulerVisibility"));
 432
 433         node->add_property (X_("timecode"), ruler_timecode_action->get_active() ? "yes": "no");
 434         node->add_property (X_("bbt"), ruler_bbt_action->get_active() ? "yes": "no");
 435         node->add_property (X_("samples"), ruler_samples_action->get_active() ? "yes": "no");
 436         node->add_property (X_("minsec"), ruler_minsec_action->get_active() ? "yes": "no");
 437         node->add_property (X_("tempo"), ruler_tempo_action->get_active() ? "yes": "no");
 438         node->add_property (X_("meter"), ruler_meter_action->get_active() ? "yes": "no");
 439         node->add_property (X_("marker"), ruler_marker_action->get_active() ? "yes": "no");
 440         node->add_property (X_("rangemarker"), ruler_range_action->get_active() ? "yes": "no");
 441         node->add_property (X_("transportmarker"), ruler_loop_punch_action->get_active() ? "yes": "no");
 442         node->add_property (X_("cdmarker"), ruler_cd_marker_action->get_active() ? "yes": "no");
 443
 444         _session->add_extra_xml (*node);
 445         _session->set_dirty ();
 446 }
 447
 448 void
 449 Editor::restore_ruler_visibility ()
 450 {
 451         XMLProperty* prop;
 452         XMLNode * node = _session->extra_xml (X_("RulerVisibility"));
 453
 454         no_ruler_shown_update = true;
 455
 456         if (node) {
 457                 if ((prop = node->property ("timecode")) != 0) {
 458                         if (string_is_affirmative (prop->value())) {
 459                                 ruler_timecode_action->set_active (true);
 460                         } else {
 461                                 ruler_timecode_action->set_active (false);
 462                         }
 463                 }
 464                 if ((prop = node->property ("bbt")) != 0) {
 465                         if (string_is_affirmative (prop->value())) {
 466                                 ruler_bbt_action->set_active (true);
 467                         } else {
 468                                 ruler_bbt_action->set_active (false);
 469                         }
 470                 }
 471                 if ((prop = node->property ("samples")) != 0) {
 472                         if (string_is_affirmative (prop->value())) {
 473                                 ruler_samples_action->set_active (true);
 474                         } else {
 475                                 ruler_samples_action->set_active (false);
 476                         }
 477                 }
 478                 if ((prop = node->property ("minsec")) != 0) {
 479                         if (string_is_affirmative (prop->value())) {
 480                                 ruler_minsec_action->set_active (true);
 481                         } else {
 482                                 ruler_minsec_action->set_active (false);
 483                         }
 484                 }
 485                 if ((prop = node->property ("tempo")) != 0) {
 486                         if (string_is_affirmative (prop->value())) {
 487                                 ruler_tempo_action->set_active (true);
 488                         } else {
 489                                 ruler_tempo_action->set_active (false);
 490                         }
 491                 }
 492                 if ((prop = node->property ("meter")) != 0) {
 493                         if (string_is_affirmative (prop->value())) {
 494                                 ruler_meter_action->set_active (true);
 495                         } else {
 496                                 ruler_meter_action->set_active (false);
 497                         }
 498                 }
 499                 if ((prop = node->property ("marker")) != 0) {
 500                         if (string_is_affirmative (prop->value())) {
 501                                 ruler_marker_action->set_active (true);
 502                         } else {
 503                                 ruler_marker_action->set_active (false);
 504                         }
 505                 }
 506                 if ((prop = node->property ("rangemarker")) != 0) {
 507                         if (string_is_affirmative (prop->value())) {
 508                                 ruler_range_action->set_active (true);
 509                         } else {
 510                                 ruler_range_action->set_active (false);
 511                         }
 512                 }
 513
 514                 if ((prop = node->property ("transportmarker")) != 0) {
 515                         if (string_is_affirmative (prop->value())) {
 516                                 ruler_loop_punch_action->set_active (true);
 517                         } else {
 518                                 ruler_loop_punch_action->set_active (false);
 519                         }
 520                 }
 521
 522                 if ((prop = node->property ("cdmarker")) != 0) {
 523                         if (string_is_affirmative (prop->value())) {
 524                                 ruler_cd_marker_action->set_active (true);
 525                         } else {
 526                                 ruler_cd_marker_action->set_active (false);
 527                         }
 528
 529                 } else {
 530                         // this _session doesn't yet know about the cdmarker ruler
 531                         // as a benefit to the user who doesn't know the feature exists, show the ruler if
 532                         // any cd marks exist
 533                         ruler_cd_marker_action->set_active (false);
 534                         const Locations::LocationList & locs = _session->locations()->list();
 535                         for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
 536                                 if ((*i)->is_cd_marker()) {
 537                                         ruler_cd_marker_action->set_active (true);
 538                                         break;
 539                                 }
 540                         }
 541                 }
 542
 543         }
 544
 545         no_ruler_shown_update = false;
 546         update_ruler_visibility ();
 547 }
 548
 549 void
 550 Editor::update_ruler_visibility ()
 551 {
 552         int visible_rulers = 0;
 553
 554         if (no_ruler_shown_update) {
 555                 return;
 556         }
 557
 558         visible_timebars = 0;
 559
 560         if (ruler_minsec_action->get_active()) {
 561                 visible_rulers++;
 562                 minsec_label.show ();
 563                 minsec_ruler->show ();
 564         } else {
 565                 minsec_label.hide ();
 566                 minsec_ruler->hide ();
 567         }
 568
 569         if (ruler_timecode_action->get_active()) {
 570                 visible_rulers++;
 571                 timecode_label.show ();
 572                 timecode_ruler->show ();
 573         } else {
 574                 timecode_label.hide ();
 575                 timecode_ruler->hide ();
 576         }
 577
 578         if (ruler_samples_action->get_active()) {
 579                 visible_rulers++;
 580                 samples_label.show ();
 581                 samples_ruler->show ();
 582         } else {
 583                 samples_label.hide ();
 584                 samples_ruler->hide ();
 585         }
 586
 587         if (ruler_bbt_action->get_active()) {
 588                 visible_rulers++;
 589                 bbt_label.show ();
 590                 bbt_ruler->show ();
 591         } else {
 592                 bbt_label.hide ();
 593                 bbt_ruler->hide ();
 594         }
 595
 596         double tbpos = 0.0;
 597         double tbgpos = 0.0;
 598         double old_unit_pos;
 599
 600 #ifdef GTKOSX
 601         /* gtk update probs require this (damn) */
 602         meter_label.hide();
 603         tempo_label.hide();
 604         range_mark_label.hide();
 605         transport_mark_label.hide();
 606         cd_mark_label.hide();
 607         mark_label.hide();
 608 #endif
 609         if (ruler_meter_action->get_active()) {
 610                 old_unit_pos = meter_group->property_y();
 611                 if (tbpos != old_unit_pos) {
 612                         meter_group->move ( 0.0, tbpos - old_unit_pos);
 613                 }
 614                 old_unit_pos = meter_bar_group->property_y();
 615                 if (tbgpos != old_unit_pos) {
 616                         meter_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 617                 }
 618                 meter_bar_group->show();
 619                 meter_group->show();
 620                 meter_label.show();
 621                 tbpos += timebar_height;
 622                 tbgpos += timebar_height;
 623                 visible_timebars++;
 624         } else {
 625                 meter_bar_group->hide();
 626                 meter_group->hide();
 627                 meter_label.hide();
 628         }
 629
 630         if (ruler_tempo_action->get_active()) {
 631                 old_unit_pos = tempo_group->property_y();
 632                 if (tbpos != old_unit_pos) {
 633                         tempo_group->move(0.0, tbpos - old_unit_pos);
 634                 }
 635                 old_unit_pos = tempo_bar_group->property_y();
 636                 if (tbgpos != old_unit_pos) {
 637                         tempo_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 638                 }
 639                 tempo_bar_group->show();
 640                 tempo_group->show();
 641                 tempo_label.show();
 642                 tbpos += timebar_height;
 643                 tbgpos += timebar_height;
 644                 visible_timebars++;
 645         } else {
 646                 tempo_bar_group->hide();
 647                 tempo_group->hide();
 648                 tempo_label.hide();
 649         }
 650
 651         if (!Profile->get_sae() && ruler_range_action->get_active()) {
 652                 old_unit_pos = range_marker_group->property_y();
 653                 if (tbpos != old_unit_pos) {
 654                         range_marker_group->move (0.0, tbpos - old_unit_pos);
 655                 }
 656                 old_unit_pos = range_marker_bar_group->property_y();
 657                 if (tbgpos != old_unit_pos) {
 658                         range_marker_bar_group->move (0.0, tbgpos - old_unit_pos);
 659                 }
 660                 range_marker_bar_group->show();
 661                 range_marker_group->show();
 662                 range_mark_label.show();
 663
 664                 tbpos += timebar_height;
 665                 tbgpos += timebar_height;
 666                 visible_timebars++;
 667         } else {
 668                 range_marker_bar_group->hide();
 669                 range_marker_group->hide();
 670                 range_mark_label.hide();
 671         }
 672
 673         if (ruler_loop_punch_action->get_active()) {
 674                 old_unit_pos = transport_marker_group->property_y();
 675                 if (tbpos != old_unit_pos) {
 676                         transport_marker_group->move ( 0.0, tbpos - old_unit_pos);
 677                 }
 678                 old_unit_pos = transport_marker_bar_group->property_y();
 679                 if (tbgpos != old_unit_pos) {
 680                         transport_marker_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 681                 }
 682                 transport_marker_bar_group->show();
 683                 transport_marker_group->show();
 684                 transport_mark_label.show();
 685                 tbpos += timebar_height;
 686                 tbgpos += timebar_height;
 687                 visible_timebars++;
 688         } else {
 689                 transport_marker_bar_group->hide();
 690                 transport_marker_group->hide();
 691                 transport_mark_label.hide();
 692         }
 693
 694         if (ruler_cd_marker_action->get_active()) {
 695                 old_unit_pos = cd_marker_group->property_y();
 696                 if (tbpos != old_unit_pos) {
 697                         cd_marker_group->move (0.0, tbpos - old_unit_pos);
 698                 }
 699                 old_unit_pos = cd_marker_bar_group->property_y();
 700                 if (tbgpos != old_unit_pos) {
 701                         cd_marker_bar_group->move (0.0, tbgpos - old_unit_pos);
 702                 }
 703                 cd_marker_bar_group->show();
 704                 cd_marker_group->show();
 705                 cd_mark_label.show();
 706                 tbpos += timebar_height;
 707                 tbgpos += timebar_height;
 708                 visible_timebars++;
 709                 // make sure all cd markers show up in their respective places
 710                 update_cd_marker_display();
 711         } else {
 712                 cd_marker_bar_group->hide();
 713                 cd_marker_group->hide();
 714                 cd_mark_label.hide();
 715                 // make sure all cd markers show up in their respective places
 716                 update_cd_marker_display();
 717         }
 718
 719         if (ruler_marker_action->get_active()) {
 720                 old_unit_pos = marker_group->property_y();
 721                 if (tbpos != old_unit_pos) {
 722                         marker_group->move ( 0.0, tbpos - old_unit_pos);
 723                 }
 724                 old_unit_pos = marker_bar_group->property_y();
 725                 if (tbgpos != old_unit_pos) {
 726                         marker_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 727                 }
 728                 marker_bar_group->show();
 729                 marker_group->show();
 730                 mark_label.show();
 731                 tbpos += timebar_height;
 732                 tbgpos += timebar_height;
 733                 visible_timebars++;
 734         } else {
 735                 marker_bar_group->hide();
 736                 marker_group->hide();
 737                 mark_label.hide();
 738         }
 739
 740         gdouble old_canvas_timebars_vsize = canvas_timebars_vsize;
 741         canvas_timebars_vsize = (timebar_height * visible_timebars) - 1;
 742         gdouble vertical_pos_delta = canvas_timebars_vsize - old_canvas_timebars_vsize;
 743         vertical_adjustment.set_upper(vertical_adjustment.get_upper() + vertical_pos_delta);
 744         full_canvas_height += vertical_pos_delta;
 745
 746         if (vertical_adjustment.get_value() != 0 && (vertical_adjustment.get_value() + _canvas_height >= full_canvas_height)) {
 747                 /*if we're at the bottom of the canvas, don't move the _trackview_group*/
 748                 vertical_adjustment.set_value (full_canvas_height - _canvas_height + 1);
 749         } else {
 750                 _trackview_group->property_y () = - get_trackview_group_vertical_offset ();
 751                 _background_group->property_y () = - get_trackview_group_vertical_offset ();
 752                 _trackview_group->move (0, 0);
 753                 _background_group->move (0, 0);
 754                 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
 755         }
 756
 757         gdouble bottom_track_pos = vertical_adjustment.get_value() + _canvas_height - canvas_timebars_vsize;
 758         std::pair<TimeAxisView*, int> const p = trackview_by_y_position (bottom_track_pos);
 759         if (p.first) {
 760                 p.first->clip_to_viewport ();
 761         }
 762
 763         ruler_label_vbox.set_size_request (-1, (int)(timebar_height * visible_rulers));
 764         time_canvas_vbox.set_size_request (-1,-1);
 765
 766         compute_fixed_ruler_scale ();
 767         update_fixed_rulers();
 768         redisplay_tempo (false);
 769
 770         /* Changing ruler visibility means that any lines on markers might need updating */
 771         for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
 772                 i->second->setup_lines ();
 773         }
 774 }
 775
 776 void
 777 Editor::update_just_timecode ()
 778 {
 779         ENSURE_GUI_THREAD (*this, &Editor::update_just_timecode)
 780
 781         if (_session == 0) {
 782                 return;
 783         }
 784
 785         framepos_t rightmost_frame = leftmost_frame + current_page_frames();
 786
 787         if (ruler_timecode_action->get_active()) {
 788                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_timecode_ruler), leftmost_frame, rightmost_frame,
 789                                             leftmost_frame, _session->current_end_frame());
 790         }
 791 }
 792
 793 void
 794 Editor::compute_fixed_ruler_scale ()
 795 {
 796         if (_session == 0) {
 797                 return;
 798         }
 799
 800         if (ruler_timecode_action->get_active()) {
 801                 set_timecode_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
 802         }
 803
 804         if (ruler_minsec_action->get_active()) {
 805                 set_minsec_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
 806         }
 807
 808         if (ruler_samples_action->get_active()) {
 809                 set_samples_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames());
 810         }
 811 }
 812
 813 void
 814 Editor::update_fixed_rulers ()
 815 {
 816         framepos_t rightmost_frame;
 817
 818         if (_session == 0) {
 819                 return;
 820         }
 821
 822         ruler_metrics[ruler_metric_timecode].units_per_pixel = frames_per_unit;
 823         ruler_metrics[ruler_metric_samples].units_per_pixel = frames_per_unit;
 824         ruler_metrics[ruler_metric_minsec].units_per_pixel = frames_per_unit;
 825
 826         rightmost_frame = leftmost_frame + current_page_frames();
 827
 828         /* these force a redraw, which in turn will force execution of the metric callbacks
 829            to compute the relevant ticks to display.
 830         */
 831
 832         if (ruler_timecode_action->get_active()) {
 833                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_timecode_ruler), leftmost_frame, rightmost_frame,
 834                                             leftmost_frame, _session->current_end_frame());
 835         }
 836
 837         if (ruler_samples_action->get_active()) {
 838                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER (_samples_ruler), leftmost_frame, rightmost_frame,
 839                                             leftmost_frame, _session->current_end_frame());
 840         }
 841
 842         if (ruler_minsec_action->get_active()) {
 843                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_minsec_ruler), leftmost_frame, rightmost_frame,
 844                                             leftmost_frame, _session->current_end_frame());
 845         }
 846 }
 847
 848 void
 849 Editor::update_tempo_based_rulers ()
 850 {
 851         if (_session == 0) {
 852                 return;
 853         }
 854
 855         ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
 856
 857         if (ruler_bbt_action->get_active()) {
 858                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+current_page_frames(),
 859                                             leftmost_frame, _session->current_end_frame());
 860         }
 861 }
 862
 863 /* Mark generation */
 864
 865 gint
 866 Editor::_metric_get_timecode (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 867 {
 868         return ruler_editor->metric_get_timecode (marks, lower, upper, maxchars);
 869 }
 870
 871 gint
 872 Editor::_metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 873 {
 874         return ruler_editor->metric_get_bbt (marks, lower, upper, maxchars);
 875 }
 876
 877 gint
 878 Editor::_metric_get_samples (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 879 {
 880         return ruler_editor->metric_get_samples (marks, lower, upper, maxchars);
 881 }
 882
 883 gint
 884 Editor::_metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 885 {
 886         return ruler_editor->metric_get_minsec (marks, lower, upper, maxchars);
 887 }
 888
 889 void
 890 Editor::set_timecode_ruler_scale (framepos_t lower, framepos_t upper)
 891 {
 892         framepos_t spacer;
 893         framepos_t fr;
 894
 895         if (_session == 0) {
 896                 return;
 897         }
 898
 899         fr = _session->frame_rate();
 900
 901         if (lower > (spacer = (framepos_t) (128 * Editor::get_current_zoom ()))) {
 902                 lower = lower - spacer;
 903         } else {
 904                 lower = 0;
 905         }
 906         upper = upper + spacer;
 907         framecnt_t const range = upper - lower;
 908
 909         if (range < (2 * _session->frames_per_timecode_frame())) { /* 0 - 2 frames */
 910                 timecode_ruler_scale = timecode_show_bits;
 911                 timecode_mark_modulo = 20;
 912                 timecode_nmarks = 2 + (2 * _session->config.get_subframes_per_frame());
 913         } else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
 914                 timecode_ruler_scale = timecode_show_frames;
 915                 timecode_mark_modulo = 1;
 916                 timecode_nmarks = 2 + (range / (framepos_t)_session->frames_per_timecode_frame());
 917         } else if (range <= (fr / 2)) { /* 0.25-0.5 second */
 918                 timecode_ruler_scale = timecode_show_frames;
 919                 timecode_mark_modulo = 2;
 920                 timecode_nmarks = 2 + (range / (framepos_t)_session->frames_per_timecode_frame());
 921         } else if (range <= fr) { /* 0.5-1 second */
 922                 timecode_ruler_scale = timecode_show_frames;
 923                 timecode_mark_modulo = 5;
 924                 timecode_nmarks = 2 + (range / (framepos_t)_session->frames_per_timecode_frame());
 925         } else if (range <= 2 * fr) { /* 1-2 seconds */
 926                 timecode_ruler_scale = timecode_show_frames;
 927                 timecode_mark_modulo = 10;
 928                 timecode_nmarks = 2 + (range / (framepos_t)_session->frames_per_timecode_frame());
 929         } else if (range <= 8 * fr) { /* 2-8 seconds */
 930                 timecode_ruler_scale = timecode_show_seconds;
 931                 timecode_mark_modulo = 1;
 932                 timecode_nmarks = 2 + (range / fr);
 933         } else if (range <= 16 * fr) { /* 8-16 seconds */
 934                 timecode_ruler_scale = timecode_show_seconds;
 935                 timecode_mark_modulo = 2;
 936                 timecode_nmarks = 2 + (range / fr);
 937         } else if (range <= 30 * fr) { /* 16-30 seconds */
 938                 timecode_ruler_scale = timecode_show_seconds;
 939                 timecode_mark_modulo = 5;
 940                 timecode_nmarks = 2 + (range / fr);
 941         } else if (range <= 60 * fr) { /* 30-60 seconds */
 942                 timecode_ruler_scale = timecode_show_seconds;
 943                 timecode_mark_modulo = 5;
 944                 timecode_nmarks = 2 + (range / fr);
 945         } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
 946                 timecode_ruler_scale = timecode_show_seconds;
 947                 timecode_mark_modulo = 15;
 948                 timecode_nmarks = 2 + (range / fr);
 949         } else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
 950                 timecode_ruler_scale = timecode_show_seconds;
 951                 timecode_mark_modulo = 30;
 952                 timecode_nmarks = 2 + (range / fr);
 953         } else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
 954                 timecode_ruler_scale = timecode_show_minutes;
 955                 timecode_mark_modulo = 2;
 956                 timecode_nmarks = 2 + 10;
 957         } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
 958                 timecode_ruler_scale = timecode_show_minutes;
 959                 timecode_mark_modulo = 5;
 960                 timecode_nmarks = 2 + 30;
 961         } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
 962                 timecode_ruler_scale = timecode_show_minutes;
 963                 timecode_mark_modulo = 10;
 964                 timecode_nmarks = 2 + 60;
 965         } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
 966                 timecode_ruler_scale = timecode_show_minutes;
 967                 timecode_mark_modulo = 30;
 968                 timecode_nmarks = 2 + (60 * 4);
 969         } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
 970                 timecode_ruler_scale = timecode_show_hours;
 971                 timecode_mark_modulo = 1;
 972                 timecode_nmarks = 2 + 8;
 973         } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
 974                 timecode_ruler_scale = timecode_show_hours;
 975                 timecode_mark_modulo = 1;
 976                 timecode_nmarks = 2 + 24;
 977         } else {
 978
 979                 /* not possible if framepos_t is a 32 bit quantity */
 980
 981                 timecode_ruler_scale = timecode_show_hours;
 982                 timecode_mark_modulo = 4;
 983                 timecode_nmarks = 2 + 24;
 984         }
 985
 986 }
 987
 988 gint
 989 Editor::metric_get_timecode (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
 990 {
 991         framepos_t pos;
 992         framecnt_t spacer;
 993         Timecode::Time timecode;
 994         gchar buf[16];
 995         gint n;
 996
 997         if (_session == 0) {
 998                 return 0;
 999         }
1000
1001         if (lower > (spacer = (framecnt_t)(128 * Editor::get_current_zoom ()))) {
1002                 lower = lower - spacer;
1003         } else {
1004                 lower = 0;
1005         }
1006
1007         pos = (framecnt_t) floor (lower);
1008
1009         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * timecode_nmarks);
1010         switch (timecode_ruler_scale) {
1011         case timecode_show_bits:
1012
1013                 // Find timecode time of this sample (pos) with subframe accuracy
1014                 _session->sample_to_timecode(pos, timecode, true /* use_offset */, true /* use_subframes */ );
1015
1016                 for (n = 0; n < timecode_nmarks; n++) {
1017                         _session->timecode_to_sample(timecode, pos, true /* use_offset */, true /* use_subframes */ );
1018                         if ((timecode.subframes % timecode_mark_modulo) == 0) {
1019                                 if (timecode.subframes == 0) {
1020                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1021                                         snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
1022                                 } else {
1023                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1024                                         snprintf (buf, sizeof(buf), ".%02u", timecode.subframes);
1025                                 }
1026                         } else {
1027                                 snprintf (buf, sizeof(buf)," ");
1028                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1029
1030                         }
1031                         (*marks)[n].label = g_strdup (buf);
1032                         (*marks)[n].position = pos;
1033
1034                         // Increment subframes by one
1035                         Timecode::increment_subframes( timecode, _session->config.get_subframes_per_frame() );
1036                 }
1037           break;
1038         case timecode_show_seconds:
1039                 // Find timecode time of this sample (pos)
1040                 _session->sample_to_timecode(pos, timecode, true /* use_offset */, false /* use_subframes */ );
1041                 // Go to next whole second down
1042                 Timecode::seconds_floor( timecode );
1043
1044                 for (n = 0; n < timecode_nmarks; n++) {
1045                         _session->timecode_to_sample(timecode, pos, true /* use_offset */, false /* use_subframes */ );
1046                         if ((timecode.seconds % timecode_mark_modulo) == 0) {
1047                                 if (timecode.seconds == 0) {
1048                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1049                                         (*marks)[n].position = pos;
1050                                 } else {
1051                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1052                                         (*marks)[n].position = pos;
1053                                 }
1054                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
1055                         } else {
1056                                 snprintf (buf, sizeof(buf)," ");
1057                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1058                                 (*marks)[n].position = pos;
1059
1060                         }
1061                         (*marks)[n].label = g_strdup (buf);
1062                         Timecode::increment_seconds( timecode, _session->config.get_subframes_per_frame() );
1063                 }
1064           break;
1065         case timecode_show_minutes:
1066                 // Find timecode time of this sample (pos)
1067                 _session->sample_to_timecode(pos, timecode, true /* use_offset */, false /* use_subframes */ );
1068                 // Go to next whole minute down
1069                 Timecode::minutes_floor( timecode );
1070
1071                 for (n = 0; n < timecode_nmarks; n++) {
1072                         _session->timecode_to_sample(timecode, pos, true /* use_offset */, false /* use_subframes */ );
1073                         if ((timecode.minutes % timecode_mark_modulo) == 0) {
1074                                 if (timecode.minutes == 0) {
1075                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1076                                 } else {
1077                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1078                                 }
1079                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
1080                         } else {
1081                                 snprintf (buf, sizeof(buf)," ");
1082                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1083
1084                         }
1085                         (*marks)[n].label = g_strdup (buf);
1086                         (*marks)[n].position = pos;
1087                         Timecode::increment_minutes( timecode, _session->config.get_subframes_per_frame() );
1088                 }
1089
1090           break;
1091         case timecode_show_hours:
1092                 // Find timecode time of this sample (pos)
1093                 _session->sample_to_timecode(pos, timecode, true /* use_offset */, false /* use_subframes */ );
1094                 // Go to next whole hour down
1095                 Timecode::hours_floor( timecode );
1096
1097                 for (n = 0; n < timecode_nmarks; n++) {
1098                         _session->timecode_to_sample(timecode, pos, true /* use_offset */, false /* use_subframes */ );
1099                         if ((timecode.hours % timecode_mark_modulo) == 0) {
1100                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1101                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
1102                         } else {
1103                                 snprintf (buf, sizeof(buf)," ");
1104                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1105
1106                         }
1107                         (*marks)[n].label = g_strdup (buf);
1108                         (*marks)[n].position = pos;
1109
1110                         Timecode::increment_hours( timecode, _session->config.get_subframes_per_frame() );
1111                 }
1112           break;
1113         case timecode_show_frames:
1114                 // Find timecode time of this sample (pos)
1115                 _session->sample_to_timecode(pos, timecode, true /* use_offset */, false /* use_subframes */ );
1116                 // Go to next whole frame down
1117                 Timecode::frames_floor( timecode );
1118
1119                 for (n = 0; n < timecode_nmarks; n++) {
1120                         _session->timecode_to_sample(timecode, pos, true /* use_offset */, false /* use_subframes */ );
1121                         if ((timecode.frames % timecode_mark_modulo) == 0)  {
1122                                 if (timecode.frames == 0) {
1123                                   (*marks)[n].style = GtkCustomRulerMarkMajor;
1124                                 } else {
1125                                   (*marks)[n].style = GtkCustomRulerMarkMinor;
1126                                 }
1127                                 (*marks)[n].position = pos;
1128                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", timecode.negative ? "-" : "", timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
1129                         } else {
1130                                 snprintf (buf, sizeof(buf)," ");
1131                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1132                                 (*marks)[n].position = pos;
1133
1134                         }
1135                         (*marks)[n].label = g_strdup (buf);
1136                         Timecode::increment( timecode, _session->config.get_subframes_per_frame() );
1137                 }
1138
1139           break;
1140         }
1141
1142         return timecode_nmarks;
1143 }
1144
1145
1146 void
1147 Editor::compute_bbt_ruler_scale (framepos_t lower, framepos_t upper)
1148 {
1149         if (_session == 0) {
1150                 return;
1151         }
1152         TempoMap::BBTPointList::iterator i;
1153         Timecode::BBT_Time lower_beat, upper_beat; // the beats at each end of the ruler
1154
1155         _session->bbt_time (lower, lower_beat);
1156         _session->bbt_time (upper, upper_beat);
1157         uint32_t beats = 0;
1158
1159         bbt_accent_modulo = 1;
1160         bbt_bar_helper_on = false;
1161         bbt_bars = 0;
1162         bbt_nmarks = 1;
1163
1164         bbt_ruler_scale =  bbt_over;
1165
1166         switch (_snap_type) {
1167         case SnapToBeatDiv2:
1168                 bbt_beat_subdivision = 2;
1169                 break;
1170         case SnapToBeatDiv3:
1171                 bbt_beat_subdivision = 3;
1172                 break;
1173         case SnapToBeatDiv4:
1174                 bbt_beat_subdivision = 4;
1175                 break;
1176         case SnapToBeatDiv5:
1177                 bbt_beat_subdivision = 5;
1178                 bbt_accent_modulo = 2; // XXX YIKES
1179                 break;
1180         case SnapToBeatDiv6:
1181                 bbt_beat_subdivision = 6;
1182                 bbt_accent_modulo = 2; // XXX YIKES
1183                 break;
1184         case SnapToBeatDiv7:
1185                 bbt_beat_subdivision = 7;
1186                 bbt_accent_modulo = 2; // XXX YIKES
1187                 break;
1188         case SnapToBeatDiv8:
1189                 bbt_beat_subdivision = 8;
1190                 bbt_accent_modulo = 2;
1191                 break;
1192         case SnapToBeatDiv10:
1193                 bbt_beat_subdivision = 10;
1194                 bbt_accent_modulo = 2; // XXX YIKES
1195                 break;
1196         case SnapToBeatDiv12:
1197                 bbt_beat_subdivision = 12;
1198                 bbt_accent_modulo = 3;
1199                 break;
1200         case SnapToBeatDiv14:
1201                 bbt_beat_subdivision = 14;
1202                 bbt_accent_modulo = 3; // XXX YIKES!
1203                 break;
1204         case SnapToBeatDiv16:
1205                 bbt_beat_subdivision = 16;
1206                 bbt_accent_modulo = 4;
1207                 break;
1208         case SnapToBeatDiv20:
1209                 bbt_beat_subdivision = 20;
1210                 bbt_accent_modulo = 5;
1211                 break;
1212         case SnapToBeatDiv24:
1213                 bbt_beat_subdivision = 24;
1214                 bbt_accent_modulo = 6;
1215                 break;
1216         case SnapToBeatDiv28:
1217                 bbt_beat_subdivision = 28;
1218                 bbt_accent_modulo = 7;
1219                 break;
1220         case SnapToBeatDiv32:
1221                 bbt_beat_subdivision = 32;
1222                 bbt_accent_modulo = 8;
1223                 break;
1224         default:
1225                 bbt_beat_subdivision = 4;
1226                 break;
1227         }
1228
1229         if (current_bbt_points == 0 || current_bbt_points->empty()) {
1230                 return;
1231         }
1232
1233         i = current_bbt_points->end();
1234         i--;
1235         if ((*i).beat >= (*current_bbt_points->begin()).beat) {
1236                 bbt_bars = (*i).bar - (*current_bbt_points->begin()).bar;
1237         } else {
1238                 bbt_bars = (*i).bar - (*current_bbt_points->begin()).bar - 1;
1239         }
1240         beats = current_bbt_points->size() - bbt_bars;
1241
1242         /* Only show the bar helper if there aren't many bars on the screen */
1243         if ((bbt_bars < 2) || (beats < 5)) {
1244                 bbt_bar_helper_on = true;
1245         }
1246
1247         if (bbt_bars > 8192) {
1248                 bbt_ruler_scale =  bbt_over;
1249         } else if (bbt_bars > 1024) {
1250                 bbt_ruler_scale = bbt_show_64;
1251         } else if (bbt_bars > 256) {
1252                 bbt_ruler_scale = bbt_show_16;
1253         } else if (bbt_bars > 64) {
1254                 bbt_ruler_scale = bbt_show_4;
1255         } else if (bbt_bars > 10) {
1256                 bbt_ruler_scale =  bbt_show_1;
1257         } else if (bbt_bars > 2) {
1258                 bbt_ruler_scale =  bbt_show_beats;
1259         } else  if (bbt_bars > 0) {
1260                 bbt_ruler_scale =  bbt_show_ticks;
1261         } else {
1262                 bbt_ruler_scale =  bbt_show_ticks_detail;
1263         }
1264
1265         if ((bbt_ruler_scale == bbt_show_ticks_detail) && (lower_beat.beats == upper_beat.beats) && (upper_beat.ticks - lower_beat.ticks <= Timecode::BBT_Time::ticks_per_beat / 4)) {
1266                 bbt_ruler_scale =  bbt_show_ticks_super_detail;
1267         }
1268 }
1269
1270 gint
1271 Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
1272 {
1273         if (_session == 0) {
1274                 return 0;
1275         }
1276
1277         TempoMap::BBTPointList::iterator i;
1278
1279         char buf[64];
1280         gint  n = 0;
1281         framepos_t pos;
1282         Timecode::BBT_Time next_beat;
1283         framepos_t next_beat_pos;
1284         uint32_t beats = 0;
1285
1286         uint32_t tick = 0;
1287         uint32_t skip;
1288         uint32_t t;
1289         framepos_t frame_skip;
1290         double frame_skip_error;
1291         double bbt_position_of_helper;
1292         double accumulated_error;
1293         bool i_am_accented = false;
1294         bool helper_active = false;
1295
1296         if (current_bbt_points == 0 || current_bbt_points->empty()) {
1297                 return 0;
1298         }
1299
1300         switch (bbt_ruler_scale) {
1301
1302         case bbt_show_beats:
1303                 beats = current_bbt_points->size();
1304                 bbt_nmarks = beats + 2;
1305
1306                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1307
1308                 (*marks)[0].label = g_strdup(" ");
1309                 (*marks)[0].position = lower;
1310                 (*marks)[0].style = GtkCustomRulerMarkMicro;
1311
1312                 for (n = 1,   i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
1313                         if  ((*i).type != TempoMap::Beat) {
1314                                 continue;
1315                         }
1316                         if ((*i).frame < lower && (bbt_bar_helper_on)) {
1317                                 snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1318                                 (*marks)[0].label = g_strdup (buf);
1319                                 helper_active = true;
1320                         } else {
1321
1322                                 if ((*i).beat == 1) {
1323                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1324                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1325                                 } else if (((*i).beat % 2 == 1)) {
1326                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1327                                         snprintf (buf, sizeof(buf), " ");
1328                                 } else {
1329                                         (*marks)[n].style = GtkCustomRulerMarkMicro;
1330                                         snprintf (buf, sizeof(buf), " ");
1331                                 }
1332                                 (*marks)[n].label =  g_strdup (buf);
1333                                 (*marks)[n].position = (*i).frame;
1334                                 n++;
1335                         }
1336                 }
1337                 break;
1338
1339         case bbt_show_ticks:
1340
1341                 beats = current_bbt_points->size();
1342                 bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
1343
1344                 bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
1345                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1346
1347                 (*marks)[0].label = g_strdup(" ");
1348                 (*marks)[0].position = lower;
1349                 (*marks)[0].style = GtkCustomRulerMarkMicro;
1350
1351                 for (n = 1,   i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
1352                         if  ((*i).type != TempoMap::Beat) {
1353                                 continue;
1354                         }
1355                         if ((*i).frame < lower && (bbt_bar_helper_on)) {
1356                                 snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1357                                 (*marks)[0].label = g_strdup (buf);
1358                                 helper_active = true;
1359                         } else {
1360
1361                                 if ((*i).beat == 1) {
1362                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1363                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1364                                 } else {
1365                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1366                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1367                                 }
1368                                 if (((*i).frame < bbt_position_of_helper) && helper_active) {
1369                                         snprintf (buf, sizeof(buf), " ");
1370                                 }
1371                                 (*marks)[n].label =  g_strdup (buf);
1372                                 (*marks)[n].position = (*i).frame;
1373                                 n++;
1374                         }
1375
1376                         /* Add the tick marks */
1377
1378                         /* Find the next beat */
1379                         next_beat.beats = (*i).beat;
1380                         next_beat.bars = (*i).bar;
1381                         next_beat.ticks = 0;
1382
1383                         if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
1384                                   next_beat.beats += 1;
1385                         } else {
1386                                   next_beat.bars += 1;
1387                                   next_beat.beats = 1;
1388                         }
1389
1390                         next_beat_pos = _session->tempo_map().frame_time(next_beat);
1391
1392                         frame_skip = (framepos_t) floor (frame_skip_error = (_session->frame_rate() *  60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1393                         frame_skip_error -= frame_skip;
1394                         skip = (uint32_t) (Timecode::BBT_Time::ticks_per_beat / bbt_beat_subdivision);
1395
1396                         pos = (*i).frame + frame_skip;
1397                         accumulated_error = frame_skip_error;
1398
1399                         tick = skip;
1400
1401                         for (t = 0; (tick < Timecode::BBT_Time::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
1402
1403                                 if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
1404                                         i_am_accented = true;
1405                                 }
1406
1407                                 snprintf (buf, sizeof(buf), " ");
1408                                 (*marks)[n].label = g_strdup (buf);
1409
1410                                 /* Error compensation for float to framepos_t*/
1411                                 accumulated_error += frame_skip_error;
1412                                 if (accumulated_error > 1) {
1413                                         pos += 1;
1414                                         accumulated_error -= 1.0f;
1415                                 }
1416
1417                                 (*marks)[n].position = pos;
1418
1419                                 if ((bbt_beat_subdivision > 4) && i_am_accented) {
1420                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1421                                 } else {
1422                                         (*marks)[n].style = GtkCustomRulerMarkMicro;
1423                                 }
1424                                 i_am_accented = false;
1425                                 n++;
1426                         }
1427                 }
1428
1429           break;
1430
1431         case bbt_show_ticks_detail:
1432
1433                 beats = current_bbt_points->size();
1434                 bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
1435
1436                 bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
1437                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1438
1439                 (*marks)[0].label = g_strdup(" ");
1440                 (*marks)[0].position = lower;
1441                 (*marks)[0].style = GtkCustomRulerMarkMicro;
1442
1443                 for (n = 1,   i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
1444                         if  ((*i).type != TempoMap::Beat) {
1445                                 continue;
1446                         }
1447                         if ((*i).frame < lower && (bbt_bar_helper_on)) {
1448                                 snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1449                                 (*marks)[0].label = g_strdup (buf);
1450                                 helper_active = true;
1451                         } else {
1452
1453                                 if ((*i).beat == 1) {
1454                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1455                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1456                                 } else {
1457                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1458                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1459                                 }
1460                                 if (((*i).frame < bbt_position_of_helper) && helper_active) {
1461                                         snprintf (buf, sizeof(buf), " ");
1462                                 }
1463                                 (*marks)[n].label =  g_strdup (buf);
1464                                 (*marks)[n].position = (*i).frame;
1465                                 n++;
1466                         }
1467
1468                         /* Add the tick marks */
1469
1470                         /* Find the next beat */
1471
1472                         next_beat.beats = (*i).beat;
1473                         next_beat.bars = (*i).bar;
1474
1475                         if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
1476                                   next_beat.beats += 1;
1477                         } else {
1478                                   next_beat.bars += 1;
1479                                   next_beat.beats = 1;
1480                         }
1481
1482                         next_beat_pos = _session->tempo_map().frame_time(next_beat);
1483
1484                         frame_skip = (framepos_t) floor (frame_skip_error = (_session->frame_rate() *  60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1485                         frame_skip_error -= frame_skip;
1486                         skip = (uint32_t) (Timecode::BBT_Time::ticks_per_beat / bbt_beat_subdivision);
1487
1488                         pos = (*i).frame + frame_skip;
1489                         accumulated_error = frame_skip_error;
1490
1491                         tick = skip;
1492
1493                         for (t = 0; (tick < Timecode::BBT_Time::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
1494
1495                                 if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
1496                                         i_am_accented = true;
1497                                 }
1498
1499                                 if (i_am_accented && (pos > bbt_position_of_helper)){
1500                                         snprintf (buf, sizeof(buf), "%" PRIu32, tick);
1501                                 } else {
1502                                         snprintf (buf, sizeof(buf), " ");
1503                                 }
1504
1505                                 (*marks)[n].label = g_strdup (buf);
1506
1507                                 /* Error compensation for float to framepos_t*/
1508                                 accumulated_error += frame_skip_error;
1509                                 if (accumulated_error > 1) {
1510                                         pos += 1;
1511                                         accumulated_error -= 1.0f;
1512                                 }
1513
1514                                 (*marks)[n].position = pos;
1515
1516                                 if ((bbt_beat_subdivision > 4) && i_am_accented) {
1517                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1518                                 } else {
1519                                         (*marks)[n].style = GtkCustomRulerMarkMicro;
1520                                 }
1521                                 i_am_accented = false;
1522                                 n++;
1523                         }
1524                 }
1525
1526           break;
1527
1528         case bbt_show_ticks_super_detail:
1529
1530                 beats = current_bbt_points->size();
1531                 bbt_nmarks = (beats + 2) * bbt_beat_subdivision;
1532
1533                 bbt_position_of_helper = lower + (30 * Editor::get_current_zoom ());
1534                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1535
1536                 (*marks)[0].label = g_strdup(" ");
1537                 (*marks)[0].position = lower;
1538                 (*marks)[0].style = GtkCustomRulerMarkMicro;
1539
1540                 for (n = 1,   i = current_bbt_points->begin(); n < bbt_nmarks && i != current_bbt_points->end(); ++i) {
1541                         if  ((*i).type != TempoMap::Beat) {
1542                                   continue;
1543                         }
1544                         if ((*i).frame < lower && (bbt_bar_helper_on)) {
1545                                   snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1546                                   (*marks)[0].label = g_strdup (buf);
1547                                   helper_active = true;
1548                         } else {
1549
1550                                   if ((*i).beat == 1) {
1551                                           (*marks)[n].style = GtkCustomRulerMarkMajor;
1552                                           snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1553                                   } else {
1554                                           (*marks)[n].style = GtkCustomRulerMarkMinor;
1555                                           snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1556                                   }
1557                                   if (((*i).frame < bbt_position_of_helper) && helper_active) {
1558                                           snprintf (buf, sizeof(buf), " ");
1559                                   }
1560                                   (*marks)[n].label =  g_strdup (buf);
1561                                   (*marks)[n].position = (*i).frame;
1562                                   n++;
1563                         }
1564
1565                         /* Add the tick marks */
1566
1567                         /* Find the next beat */
1568
1569                         next_beat.beats = (*i).beat;
1570                         next_beat.bars = (*i).bar;
1571
1572                         if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
1573                                   next_beat.beats += 1;
1574                         } else {
1575                                   next_beat.bars += 1;
1576                                   next_beat.beats = 1;
1577                         }
1578
1579                         next_beat_pos = _session->tempo_map().frame_time(next_beat);
1580
1581                         frame_skip = (framepos_t) floor (frame_skip_error = (_session->frame_rate() *  60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1582                         frame_skip_error -= frame_skip;
1583                         skip = (uint32_t) (Timecode::BBT_Time::ticks_per_beat / bbt_beat_subdivision);
1584
1585                         pos = (*i).frame + frame_skip;
1586                         accumulated_error = frame_skip_error;
1587
1588                         tick = skip;
1589
1590                         for (t = 0; (tick < Timecode::BBT_Time::ticks_per_beat) && (n < bbt_nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
1591
1592                                   if (t % bbt_accent_modulo == (bbt_accent_modulo - 1)) {
1593                                           i_am_accented = true;
1594                                   }
1595
1596                                   if (pos > bbt_position_of_helper) {
1597                                           snprintf (buf, sizeof(buf), "%" PRIu32, tick);
1598                                   } else {
1599                                           snprintf (buf, sizeof(buf), " ");
1600                                   }
1601
1602                                   (*marks)[n].label = g_strdup (buf);
1603
1604                                   /* Error compensation for float to framepos_t*/
1605                                   accumulated_error += frame_skip_error;
1606                                   if (accumulated_error > 1) {
1607                                           pos += 1;
1608                                           accumulated_error -= 1.0f;
1609                                   }
1610
1611                                   (*marks)[n].position = pos;
1612
1613                                   if ((bbt_beat_subdivision > 4) && i_am_accented) {
1614                                           (*marks)[n].style = GtkCustomRulerMarkMinor;
1615                                   } else {
1616                                           (*marks)[n].style = GtkCustomRulerMarkMicro;
1617                                   }
1618                                   i_am_accented = false;
1619                                   n++;
1620                         }
1621                 }
1622
1623           break;
1624
1625         case bbt_over:
1626                         bbt_nmarks = 1;
1627                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1628                         snprintf (buf, sizeof(buf), "cannot handle %" PRIu32 " bars", bbt_bars );
1629                         (*marks)[0].style = GtkCustomRulerMarkMajor;
1630                         (*marks)[0].label = g_strdup (buf);
1631                         (*marks)[0].position = lower;
1632                         n = 1;
1633
1634           break;
1635
1636         case bbt_show_64:
1637                         bbt_nmarks = (gint) (bbt_bars / 64) + 1;
1638                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1639                         for (n = 0,   i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
1640                                 if ((*i).type == TempoMap::Bar)  {
1641                                         if ((*i).bar % 64 == 1) {
1642                                                 if ((*i).bar % 256 == 1) {
1643                                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1644                                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1645                                                 } else {
1646                                                         snprintf (buf, sizeof(buf), " ");
1647                                                         if ((*i).bar % 256 == 129)  {
1648                                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1649                                                         } else {
1650                                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1651                                                         }
1652                                                 }
1653                                                 (*marks)[n].label = g_strdup (buf);
1654                                                 (*marks)[n].position = (*i).frame;
1655                                                 n++;
1656                                         }
1657                                 }
1658                         }
1659                         break;
1660
1661         case bbt_show_16:
1662                 bbt_nmarks = (bbt_bars / 16) + 1;
1663                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1664                 for (n = 0,  i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
1665                         if ((*i).type == TempoMap::Bar)  {
1666                           if ((*i).bar % 16 == 1) {
1667                                 if ((*i).bar % 64 == 1) {
1668                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1669                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1670                                 } else {
1671                                         snprintf (buf, sizeof(buf), " ");
1672                                         if ((*i).bar % 64 == 33)  {
1673                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1674                                         } else {
1675                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1676                                         }
1677                                 }
1678                                 (*marks)[n].label = g_strdup (buf);
1679                                 (*marks)[n].position = (*i).frame;
1680                                 n++;
1681                           }
1682                         }
1683                 }
1684           break;
1685
1686         case bbt_show_4:
1687                 bbt_nmarks = (bbt_bars / 4) + 1;
1688                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks);
1689                 for (n = 0,   i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; ++i) {
1690                         if ((*i).type == TempoMap::Bar)  {
1691                           if ((*i).bar % 4 == 1) {
1692                                 if ((*i).bar % 16 == 1) {
1693                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1694                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1695                                 } else {
1696                                         snprintf (buf, sizeof(buf), " ");
1697                                         if ((*i).bar % 16 == 9)  {
1698                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1699                                         } else {
1700                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1701                                         }
1702                                 }
1703                                 (*marks)[n].label = g_strdup (buf);
1704                                 (*marks)[n].position = (*i).frame;
1705                                 n++;
1706                           }
1707                         }
1708                 }
1709           break;
1710
1711         case bbt_show_1:
1712   //    default:
1713                 bbt_nmarks = bbt_bars + 2;
1714                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * bbt_nmarks );
1715                 for (n = 0,  i = current_bbt_points->begin(); i != current_bbt_points->end() && n < bbt_nmarks; i++) {
1716                         if ((*i).type == TempoMap::Bar)  {
1717                           if ((*i).bar % 4 == 1) {
1718                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1719                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1720                           } else {
1721                                 snprintf (buf, sizeof(buf), " ");
1722                                 if ((*i).bar % 4 == 3)  {
1723                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1724                                 } else {
1725                                         (*marks)[n].style = GtkCustomRulerMarkMicro;
1726                                 }
1727                           }
1728                         (*marks)[n].label = g_strdup (buf);
1729                         (*marks)[n].position = (*i).frame;
1730                         n++;
1731                         }
1732                 }
1733
1734         break;
1735
1736         }
1737
1738         return n; //return the actual number of marks made, since we might have skipped some from fractional time signatures
1739
1740 }
1741
1742 void
1743 Editor::set_samples_ruler_scale (framepos_t lower, framepos_t upper)
1744 {
1745         _samples_ruler_interval = (upper - lower) / 5;
1746 }
1747
1748 gint
1749 Editor::metric_get_samples (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint /*maxchars*/)
1750 {
1751         framepos_t pos;
1752         framepos_t const ilower = (framepos_t) floor (lower);
1753         gchar buf[16];
1754         gint nmarks;
1755         gint n;
1756
1757         if (_session == 0) {
1758                 return 0;
1759         }
1760
1761         nmarks = 5;
1762         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1763         for (n = 0, pos = ilower; n < nmarks; pos += _samples_ruler_interval, ++n) {
1764                 snprintf (buf, sizeof(buf), "%" PRIi64, pos);
1765                 (*marks)[n].label = g_strdup (buf);
1766                 (*marks)[n].position = pos;
1767                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1768         }
1769
1770         return nmarks;
1771 }
1772
1773 static void
1774 sample_to_clock_parts ( framepos_t sample,
1775                         framepos_t sample_rate,
1776                         long *hrs_p,
1777                         long *mins_p,
1778                         long *secs_p,
1779                         long *millisecs_p)
1780
1781 {
1782         framepos_t left;
1783         long hrs;
1784         long mins;
1785         long secs;
1786         long millisecs;
1787
1788         left = sample;
1789         hrs = left / (sample_rate * 60 * 60);
1790         left -= hrs * sample_rate * 60 * 60;
1791         mins = left / (sample_rate * 60);
1792         left -= mins * sample_rate * 60;
1793         secs = left / sample_rate;
1794         left -= secs * sample_rate;
1795         millisecs = left * 1000 / sample_rate;
1796
1797         *millisecs_p = millisecs;
1798         *secs_p = secs;
1799         *mins_p = mins;
1800         *hrs_p = hrs;
1801
1802         return;
1803 }
1804
1805 void
1806 Editor::set_minsec_ruler_scale (framepos_t lower, framepos_t upper)
1807 {
1808         framepos_t fr;
1809         framepos_t spacer;
1810
1811         if (_session == 0) {
1812                 return;
1813         }
1814
1815         fr = _session->frame_rate();
1816
1817         /* to prevent 'flashing' */
1818         if (lower > (spacer = (framepos_t)(128 * Editor::get_current_zoom ()))) {
1819                 lower -= spacer;
1820         } else {
1821                 lower = 0;
1822         }
1823         upper += spacer;
1824         framecnt_t const range = upper - lower;
1825
1826         if (range <  (fr / 50)) {
1827                 minsec_mark_interval =  fr / 1000; /* show 1/1000 seconds */
1828                 minsec_ruler_scale = minsec_show_frames;
1829                 minsec_mark_modulo = 10;
1830         } else if (range <= (fr / 10)) { /* 0-0.1 second */
1831                 minsec_mark_interval = fr / 1000; /* show 1/1000 seconds */
1832                 minsec_ruler_scale = minsec_show_frames;
1833                 minsec_mark_modulo = 10;
1834         } else if (range <= (fr / 2)) { /* 0-0.5 second */
1835                 minsec_mark_interval = fr / 100;  /* show 1/100 seconds */
1836                 minsec_ruler_scale = minsec_show_frames;
1837                 minsec_mark_modulo = 100;
1838         } else if (range <= fr) { /* 0-1 second */
1839                 minsec_mark_interval = fr / 10;  /* show 1/10 seconds */
1840                 minsec_ruler_scale = minsec_show_frames;
1841                 minsec_mark_modulo = 200;
1842         } else if (range <= 2 * fr) { /* 1-2 seconds */
1843                 minsec_mark_interval = fr / 10; /* show 1/10 seconds */
1844                 minsec_ruler_scale = minsec_show_frames;
1845                 minsec_mark_modulo = 500;
1846         } else if (range <= 8 * fr) { /* 2-5 seconds */
1847                 minsec_mark_interval =  fr / 5; /* show 2 seconds */
1848                 minsec_ruler_scale = minsec_show_frames;
1849                 minsec_mark_modulo = 1000;
1850         } else if (range <= 16 * fr) { /* 8-16 seconds */
1851                 minsec_mark_interval =  fr; /* show 1 seconds */
1852                 minsec_ruler_scale = minsec_show_seconds;
1853                 minsec_mark_modulo = 2;
1854         } else if (range <= 30 * fr) { /* 10-30 seconds */
1855                 minsec_mark_interval =  fr; /* show 1 seconds */
1856                 minsec_ruler_scale = minsec_show_seconds;
1857                 minsec_mark_modulo = 5;
1858         } else if (range <= 60 * fr) { /* 30-60 seconds */
1859                 minsec_mark_interval = fr; /* show 1 seconds */
1860                 minsec_ruler_scale = minsec_show_seconds;
1861                 minsec_mark_modulo = 5;
1862         } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
1863                 minsec_mark_interval = 5 * fr; /* show 5 seconds */
1864                 minsec_ruler_scale = minsec_show_seconds;
1865                 minsec_mark_modulo = 3;
1866         } else if (range <= 4 * 60 * fr) { /* 4 minutes */
1867                 minsec_mark_interval = 5 * fr; /* show 10 seconds */
1868                 minsec_ruler_scale = minsec_show_seconds;
1869                 minsec_mark_modulo = 30;
1870         } else if (range <= 10 * 60 * fr) { /* 10 minutes */
1871                 minsec_mark_interval = 30 * fr; /* show 30 seconds */
1872                 minsec_ruler_scale = minsec_show_seconds;
1873                 minsec_mark_modulo = 120;
1874         } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
1875                 minsec_mark_interval =  60 * fr; /* show 1 minute */
1876                 minsec_ruler_scale = minsec_show_minutes;
1877                 minsec_mark_modulo = 5;
1878         } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
1879                 minsec_mark_interval = 2 * 60 * fr; /* show 2 minutes */
1880                 minsec_ruler_scale = minsec_show_minutes;
1881                 minsec_mark_modulo = 10;
1882         } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
1883                 minsec_mark_interval = 5 * 60 * fr; /* show 10 minutes */
1884                 minsec_ruler_scale = minsec_show_minutes;
1885                 minsec_mark_modulo = 30;
1886         } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
1887                 minsec_mark_interval = 20 * 60 * fr; /* show 20 minutes */
1888                 minsec_ruler_scale = minsec_show_minutes;
1889                 minsec_mark_modulo = 60;
1890         } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
1891                 minsec_mark_interval =  60 * 60 * fr; /* show 60 minutes */
1892                 minsec_ruler_scale = minsec_show_hours;
1893                 minsec_mark_modulo = 2;
1894         } else {
1895
1896                 /* not possible if framepos_t is a 32 bit quantity */
1897
1898                 minsec_mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
1899         }
1900         minsec_nmarks = 2 + (range / minsec_mark_interval);
1901 }
1902
1903 gint
1904 Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble /*upper*/, gint /*maxchars*/)
1905 {
1906         framepos_t pos;
1907         framepos_t spacer;
1908         long hrs, mins, secs, millisecs;
1909         gchar buf[16];
1910         gint n;
1911
1912         if (_session == 0) {
1913                 return 0;
1914         }
1915
1916         /* to prevent 'flashing' */
1917         if (lower > (spacer = (framepos_t) (128 * Editor::get_current_zoom ()))) {
1918                 lower = lower - spacer;
1919         } else {
1920                 lower = 0;
1921         }
1922
1923         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * minsec_nmarks);
1924         pos = ((((framepos_t) floor(lower)) + (minsec_mark_interval/2))/minsec_mark_interval) * minsec_mark_interval;
1925         switch (minsec_ruler_scale) {
1926         case minsec_show_seconds:
1927                 for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
1928                         sample_to_clock_parts (pos, _session->frame_rate(), &hrs, &mins, &secs, &millisecs);
1929                         if (secs % minsec_mark_modulo == 0) {
1930                                 if (secs == 0) {
1931                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1932                                 } else {
1933                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1934                                 }
1935                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1936                         } else {
1937                                 snprintf (buf, sizeof(buf), " ");
1938                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1939                         }
1940                         (*marks)[n].label = g_strdup (buf);
1941                         (*marks)[n].position = pos;
1942                 }
1943           break;
1944         case minsec_show_minutes:
1945                 for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
1946                         sample_to_clock_parts (pos, _session->frame_rate(), &hrs, &mins, &secs, &millisecs);
1947                         if (mins % minsec_mark_modulo == 0) {
1948                                 if (mins == 0) {
1949                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1950                                 } else {
1951                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1952                                 }
1953                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1954                         } else {
1955                                 snprintf (buf, sizeof(buf), " ");
1956                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1957                         }
1958                         (*marks)[n].label = g_strdup (buf);
1959                         (*marks)[n].position = pos;
1960                 }
1961           break;
1962         case minsec_show_hours:
1963                  for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
1964                         sample_to_clock_parts (pos, _session->frame_rate(), &hrs, &mins, &secs, &millisecs);
1965                         if (hrs % minsec_mark_modulo == 0) {
1966                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1967                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1968                         } else {
1969                                 snprintf (buf, sizeof(buf), " ");
1970                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1971                         }
1972                         (*marks)[n].label = g_strdup (buf);
1973                         (*marks)[n].position = pos;
1974                 }
1975               break;
1976         case minsec_show_frames:
1977                 for (n = 0; n < minsec_nmarks; pos += minsec_mark_interval, ++n) {
1978                         sample_to_clock_parts (pos, _session->frame_rate(), &hrs, &mins, &secs, &millisecs);
1979                         if (millisecs % minsec_mark_modulo == 0) {
1980                                 if (secs == 0) {
1981                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1982                                 } else {
1983                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1984                                 }
1985                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1986                         } else {
1987                                 snprintf (buf, sizeof(buf), " ");
1988                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1989                         }
1990                         (*marks)[n].label = g_strdup (buf);
1991                         (*marks)[n].position = pos;
1992                 }
1993           break;
1994         }
1995
1996         return minsec_nmarks;
1997 }