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 #include <cstdio> // for sprintf, grrr
  21 #include <cmath>
  22
  23 #include <string>
  24
  25 #include <gtk/gtkaction.h>
  26
  27 #include <ardour/tempo.h>
  28 #include <ardour/profile.h>
  29 #include <gtkmm2ext/gtk_ui.h>
  30
  31 #include "editor.h"
  32 #include "editing.h"
  33 #include "actions.h"
  34 #include "gtk-custom-hruler.h"
  35 #include "gui_thread.h"
  36
  37 #include "i18n.h"
  38
  39 using namespace sigc;
  40 using namespace ARDOUR;
  41 using namespace PBD;
  42 using namespace Gtk;
  43 using namespace Editing;
  44
  45 Editor *Editor::ruler_editor;
  46
  47 /* the order here must match the "metric" enums in editor.h */
  48
  49 GtkCustomMetric Editor::ruler_metrics[4] = {
  50         {1, Editor::_metric_get_smpte },
  51         {1, Editor::_metric_get_bbt },
  52         {1, Editor::_metric_get_frames },
  53         {1, Editor::_metric_get_minsec }
  54 };
  55
  56 void
  57 Editor::initialize_rulers ()
  58 {
  59         ruler_editor = this;
  60         ruler_grabbed_widget = 0;
  61
  62         _ruler_separator = new Gtk::HSeparator();
  63         _ruler_separator->set_size_request(-1, 2);
  64         _ruler_separator->show();
  65
  66         _smpte_ruler = gtk_custom_hruler_new ();
  67         smpte_ruler = Glib::wrap (_smpte_ruler);
  68         smpte_ruler->set_name ("SMPTERuler");
  69         smpte_ruler->set_size_request (-1, (int)timebar_height);
  70         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
  71
  72         _bbt_ruler = gtk_custom_hruler_new ();
  73         bbt_ruler = Glib::wrap (_bbt_ruler);
  74         bbt_ruler->set_name ("BBTRuler");
  75         bbt_ruler->set_size_request (-1, (int)timebar_height);
  76         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
  77
  78         _frames_ruler = gtk_custom_hruler_new ();
  79         frames_ruler = Glib::wrap (_frames_ruler);
  80         frames_ruler->set_name ("FramesRuler");
  81         frames_ruler->set_size_request (-1, (int)timebar_height);
  82         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
  83
  84         _minsec_ruler = gtk_custom_hruler_new ();
  85         minsec_ruler = Glib::wrap (_minsec_ruler);
  86         minsec_ruler->set_name ("MinSecRuler");
  87         minsec_ruler->set_size_request (-1, (int)timebar_height);
  88         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
  89
  90         visible_timebars = 1; /*this will be changed below */
  91         ruler_pressed_button = 0;
  92         canvas_timebars_vsize = 0;
  93 }
  94
  95 bool
  96 Editor::ruler_scroll (GdkEventScroll* event)
  97 {
  98         nframes64_t xdelta;
  99         int direction = event->direction;
 100         bool handled = false;
 101
 102         switch (direction) {
 103         case GDK_SCROLL_UP:
 104                 temporal_zoom_step (true);
 105                 handled = true;
 106                 break;
 107
 108         case GDK_SCROLL_DOWN:
 109                 temporal_zoom_step (false);
 110                 handled = true;
 111                 break;
 112
 113         case GDK_SCROLL_LEFT:
 114                 xdelta = (current_page_frames() / 2);
 115                 if (leftmost_frame > xdelta) {
 116                         reset_x_origin (leftmost_frame - xdelta);
 117                 } else {
 118                         reset_x_origin (0);
 119                 }
 120                 handled = true;
 121                 break;
 122
 123         case GDK_SCROLL_RIGHT:
 124                 xdelta = (current_page_frames() / 2);
 125                 if (max_frames - xdelta > leftmost_frame) {
 126                         reset_x_origin (leftmost_frame + xdelta);
 127                 } else {
 128                         reset_x_origin (max_frames - current_page_frames());
 129                 }
 130                 handled = true;
 131                 break;
 132
 133         default:
 134                 /* what? */
 135                 break;
 136         }
 137
 138         return handled;
 139 }
 140
 141
 142 gint
 143 Editor::ruler_button_press (GdkEventButton* ev)
 144 {
 145         if (session == 0) {
 146                 return FALSE;
 147         }
 148
 149         ruler_pressed_button = ev->button;
 150
 151         // jlc: grab ev->window ?
 152         //Gtk::Main::grab_add (*minsec_ruler);
 153         Widget * grab_widget = 0;
 154
 155         if (smpte_ruler->is_realized() && ev->window == smpte_ruler->get_window()->gobj()) grab_widget = smpte_ruler;
 156         else if (bbt_ruler->is_realized() && ev->window == bbt_ruler->get_window()->gobj()) grab_widget = bbt_ruler;
 157         else if (frames_ruler->is_realized() && ev->window == frames_ruler->get_window()->gobj()) grab_widget = frames_ruler;
 158         else if (minsec_ruler->is_realized() && ev->window == minsec_ruler->get_window()->gobj()) grab_widget = minsec_ruler;
 159
 160         if (grab_widget) {
 161                 grab_widget->add_modal_grab ();
 162                 ruler_grabbed_widget = grab_widget;
 163         }
 164
 165         gint x,y;
 166         Gdk::ModifierType state;
 167
 168         /* need to use the correct x,y, the event lies */
 169         time_canvas_event_box.get_window()->get_pointer (x, y, state);
 170
 171         nframes64_t where = leftmost_frame + pixel_to_frame (x);
 172
 173         switch (ev->button) {
 174         case 1:
 175                 // Since we will locate the playhead on button release, cancel any running
 176                 // auditions.
 177                 if (session->is_auditioning()) {
 178                         session->cancel_audition ();
 179                 }
 180                 /* playhead cursor */
 181                 snap_to (where);
 182                 playhead_cursor->set_position (where);
 183                 _dragging_playhead = true;
 184                 break;
 185
 186         case 2:
 187                 /* edit point */
 188                 snap_to (where);
 189                 break;
 190
 191         default:
 192                 break;
 193         }
 194
 195         return TRUE;
 196 }
 197
 198 gint
 199 Editor::ruler_button_release (GdkEventButton* ev)
 200 {
 201         gint x,y;
 202         Gdk::ModifierType state;
 203
 204         /* need to use the correct x,y, the event lies */
 205         time_canvas_event_box.get_window()->get_pointer (x, y, state);
 206
 207         ruler_pressed_button = 0;
 208
 209         if (session == 0) {
 210                 return FALSE;
 211         }
 212
 213         stop_canvas_autoscroll();
 214
 215         nframes64_t where = leftmost_frame + pixel_to_frame (x);
 216
 217         switch (ev->button) {
 218         case 1:
 219                 /* transport playhead */
 220                 _dragging_playhead = false;
 221                 snap_to (where);
 222                 session->request_locate (where, session->transport_rolling());
 223                 break;
 224
 225         case 2:
 226                 /* edit point */
 227                 snap_to (where);
 228                 break;
 229
 230         case 3:
 231                 /* popup menu */
 232                 snap_to (where);
 233                 popup_ruler_menu (where);
 234
 235                 break;
 236         default:
 237                 break;
 238         }
 239
 240
 241         if (ruler_grabbed_widget) {
 242                 ruler_grabbed_widget->remove_modal_grab();
 243                 ruler_grabbed_widget = 0;
 244         }
 245
 246         return TRUE;
 247 }
 248
 249 gint
 250 Editor::ruler_label_button_release (GdkEventButton* ev)
 251 {
 252         if (ev->button == 3) {
 253                 Gtk::Menu* m= dynamic_cast<Gtk::Menu*> (ActionManager::get_widget (X_("/RulerMenuPopup")));
 254                 if (m) {
 255                         m->popup (1, ev->time);
 256                 }
 257         }
 258
 259         return TRUE;
 260 }
 261
 262
 263 gint
 264 Editor::ruler_mouse_motion (GdkEventMotion* ev)
 265 {
 266         if (session == 0 || !ruler_pressed_button) {
 267                 return FALSE;
 268         }
 269
 270         double wcx=0,wcy=0;
 271         double cx=0,cy=0;
 272
 273         gint x,y;
 274         Gdk::ModifierType state;
 275
 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
 280         track_canvas->c2w (x, y, wcx, wcy);
 281         track_canvas->w2c (wcx, wcy, cx, cy);
 282
 283         nframes64_t where = leftmost_frame + pixel_to_frame (x);
 284
 285         /// ripped from maybe_autoscroll, and adapted to work here
 286         nframes64_t rightmost_frame = leftmost_frame + current_page_frames ();
 287
 288         if (autoscroll_timeout_tag < 0) {
 289                 if (where > rightmost_frame) {
 290                         if (rightmost_frame < max_frames) {
 291                                 start_canvas_autoscroll (1, 0);
 292                         }
 293                 } else if (where <= leftmost_frame) {
 294                         if (leftmost_frame > 0) {
 295                                 start_canvas_autoscroll (-1, 0);
 296                         }
 297                 }
 298         } else {
 299                 if (where >= leftmost_frame && where < rightmost_frame) {
 300                         stop_canvas_autoscroll ();
 301                 }
 302         }
 303         //////
 304
 305         snap_to (where);
 306
 307         Cursor* cursor = 0;
 308
 309         switch (ruler_pressed_button) {
 310         case 1:
 311                 /* transport playhead */
 312                 cursor = playhead_cursor;
 313                 break;
 314
 315         case 2:
 316                 /* edit point */
 317                 // EDIT CURSOR XXX do something useful
 318                 break;
 319
 320         default:
 321                 break;
 322         }
 323
 324         if (cursor) {
 325                 cursor->set_position (where);
 326
 327                 if (cursor == playhead_cursor) {
 328                         UpdateAllTransportClocks (cursor->current_frame);
 329                 }
 330         }
 331
 332         return TRUE;
 333 }
 334
 335
 336 void
 337 Editor::popup_ruler_menu (nframes64_t where, ItemType t)
 338 {
 339         using namespace Menu_Helpers;
 340
 341         if (editor_ruler_menu == 0) {
 342                 editor_ruler_menu = new Menu;
 343                 editor_ruler_menu->set_name ("ArdourContextMenu");
 344         }
 345
 346         // always build from scratch
 347         MenuList& ruler_items = editor_ruler_menu->items();
 348         editor_ruler_menu->set_name ("ArdourContextMenu");
 349         ruler_items.clear();
 350
 351         switch (t) {
 352         case MarkerBarItem:
 353                 ruler_items.push_back (MenuElem (_("New location marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where, false, false)));
 354                 ruler_items.push_back (MenuElem (_("Clear all locations"), mem_fun(*this, &Editor::clear_markers)));
 355                 ruler_items.push_back (MenuElem (_("Unhide locations"), mem_fun(*this, &Editor::unhide_markers)));
 356                 ruler_items.push_back (SeparatorElem ());
 357                 break;
 358         case RangeMarkerBarItem:
 359                 //ruler_items.push_back (MenuElem (_("New Range")));
 360                 ruler_items.push_back (MenuElem (_("Clear all ranges"), mem_fun(*this, &Editor::clear_ranges)));
 361                 ruler_items.push_back (MenuElem (_("Unhide ranges"), mem_fun(*this, &Editor::unhide_ranges)));
 362                 ruler_items.push_back (SeparatorElem ());
 363
 364                 break;
 365         case TransportMarkerBarItem:
 366
 367                 break;
 368
 369         case CdMarkerBarItem:
 370                 // TODO
 371                 ruler_items.push_back (MenuElem (_("New CD track marker"), bind ( mem_fun(*this, &Editor::mouse_add_new_marker), where, true, false)));
 372                 break;
 373
 374
 375         case TempoBarItem:
 376                 ruler_items.push_back (MenuElem (_("New Tempo"), bind ( mem_fun(*this, &Editor::mouse_add_new_tempo_event), where)));
 377                 ruler_items.push_back (MenuElem (_("Clear tempo")));
 378                 ruler_items.push_back (SeparatorElem ());
 379                 break;
 380
 381         case MeterBarItem:
 382                 ruler_items.push_back (MenuElem (_("New Meter"), bind ( mem_fun(*this, &Editor::mouse_add_new_meter_event), where)));
 383                 ruler_items.push_back (MenuElem (_("Clear meter")));
 384                 ruler_items.push_back (SeparatorElem ());
 385                 break;
 386
 387         default:
 388                 break;
 389         }
 390
 391         Glib::RefPtr<Action> action;
 392
 393         action = ActionManager::get_action ("Rulers", "toggle-minsec-ruler");
 394         if (action) {
 395                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 396         }
 397         if (!Profile->get_sae()) {
 398                 action = ActionManager::get_action ("Rulers", "toggle-timecode-ruler");
 399                 if (action) {
 400                         ruler_items.push_back (MenuElem (*action->create_menu_item()));
 401                 }
 402         }
 403         action = ActionManager::get_action ("Rulers", "toggle-samples-ruler");
 404         if (action) {
 405                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 406         }
 407         action = ActionManager::get_action ("Rulers", "toggle-bbt-ruler");
 408         if (action) {
 409                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 410         }
 411         action = ActionManager::get_action ("Rulers", "toggle-meter-ruler");
 412         if (action) {
 413                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 414         }
 415         action = ActionManager::get_action ("Rulers", "toggle-tempo-ruler");
 416         if (action) {
 417                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 418         }
 419         if (!Profile->get_sae()) {
 420                 action = ActionManager::get_action ("Rulers", "toggle-range-ruler");
 421                 if (action) {
 422                         ruler_items.push_back (MenuElem (*action->create_menu_item()));
 423                 }
 424         }
 425         action = ActionManager::get_action ("Rulers", "toggle-loop-punch-ruler");
 426         if (action) {
 427                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 428         }
 429         action = ActionManager::get_action ("Rulers", "toggle-cd-marker-ruler");
 430         if (action) {
 431                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 432         }
 433         action = ActionManager::get_action ("Rulers", "toggle-marker-ruler");
 434         if (action) {
 435                 ruler_items.push_back (MenuElem (*action->create_menu_item()));
 436         }
 437
 438         editor_ruler_menu->popup (1, gtk_get_current_event_time());
 439
 440         no_ruler_shown_update = false;
 441 }
 442
 443 void
 444 Editor::store_ruler_visibility ()
 445 {
 446         XMLNode* node = new XMLNode(X_("RulerVisibility"));
 447
 448         node->add_property (X_("smpte"), ruler_timecode_action->get_active() ? "yes": "no");
 449         node->add_property (X_("bbt"), ruler_bbt_action->get_active() ? "yes": "no");
 450         node->add_property (X_("frames"), ruler_samples_action->get_active() ? "yes": "no");
 451         node->add_property (X_("minsec"), ruler_minsec_action->get_active() ? "yes": "no");
 452         node->add_property (X_("tempo"), ruler_tempo_action->get_active() ? "yes": "no");
 453         node->add_property (X_("meter"), ruler_meter_action->get_active() ? "yes": "no");
 454         node->add_property (X_("marker"), ruler_marker_action->get_active() ? "yes": "no");
 455         node->add_property (X_("rangemarker"), ruler_range_action->get_active() ? "yes": "no");
 456         node->add_property (X_("transportmarker"), ruler_loop_punch_action->get_active() ? "yes": "no");
 457         node->add_property (X_("cdmarker"), ruler_cd_marker_action->get_active() ? "yes": "no");
 458
 459         session->add_extra_xml (*node);
 460         session->set_dirty ();
 461 }
 462
 463 void
 464 Editor::restore_ruler_visibility ()
 465 {
 466         XMLProperty* prop;
 467         XMLNode * node = session->extra_xml (X_("RulerVisibility"));
 468
 469         no_ruler_shown_update = true;
 470
 471         if (node) {
 472                 if ((prop = node->property ("smpte")) != 0) {
 473                         if (prop->value() == "yes")
 474                                 ruler_timecode_action->set_active (true);
 475                         else
 476                                 ruler_timecode_action->set_active (false);
 477                 }
 478                 if ((prop = node->property ("bbt")) != 0) {
 479                         if (prop->value() == "yes")
 480                                 ruler_bbt_action->set_active (true);
 481                         else
 482                                 ruler_bbt_action->set_active (false);
 483                 }
 484                 if ((prop = node->property ("frames")) != 0) {
 485                         if (prop->value() == "yes")
 486                                 ruler_samples_action->set_active (true);
 487                         else
 488                                 ruler_samples_action->set_active (false);
 489                 }
 490                 if ((prop = node->property ("minsec")) != 0) {
 491                         if (prop->value() == "yes")
 492                                 ruler_minsec_action->set_active (true);
 493                         else
 494                                 ruler_minsec_action->set_active (false);
 495                 }
 496                 if ((prop = node->property ("tempo")) != 0) {
 497                         if (prop->value() == "yes")
 498                                 ruler_tempo_action->set_active (true);
 499                         else
 500                                 ruler_tempo_action->set_active (false);
 501                 }
 502                 if ((prop = node->property ("meter")) != 0) {
 503                         if (prop->value() == "yes")
 504                                 ruler_meter_action->set_active (true);
 505                         else
 506                                 ruler_meter_action->set_active (false);
 507                 }
 508                 if ((prop = node->property ("marker")) != 0) {
 509                         if (prop->value() == "yes")
 510                                 ruler_marker_action->set_active (true);
 511                         else
 512                                 ruler_marker_action->set_active (false);
 513                 }
 514                 if ((prop = node->property ("rangemarker")) != 0) {
 515                         if (prop->value() == "yes")
 516                                 ruler_range_action->set_active (true);
 517                         else
 518                                 ruler_range_action->set_active (false);
 519                 }
 520
 521                 if ((prop = node->property ("transportmarker")) != 0) {
 522                         if (prop->value() == "yes")
 523                                 ruler_loop_punch_action->set_active (true);
 524                         else
 525                                 ruler_loop_punch_action->set_active (false);
 526                 }
 527
 528                 if ((prop = node->property ("cdmarker")) != 0) {
 529                         if (prop->value() == "yes")
 530                                 ruler_cd_marker_action->set_active (true);
 531                         else
 532                                 ruler_cd_marker_action->set_active (false);
 533
 534                 } else {
 535                         // this session doesn't yet know about the cdmarker ruler
 536                         // as a benefit to the user who doesn't know the feature exists, show the ruler if
 537                         // any cd marks exist
 538                         ruler_cd_marker_action->set_active (false);
 539                         const Locations::LocationList & locs = session->locations()->list();
 540                         for (Locations::LocationList::const_iterator i = locs.begin(); i != locs.end(); ++i) {
 541                                 if ((*i)->is_cd_marker()) {
 542                                         ruler_cd_marker_action->set_active (true);
 543                                         break;
 544                                 }
 545                         }
 546                 }
 547
 548         }
 549
 550         no_ruler_shown_update = false;
 551
 552         update_ruler_visibility ();
 553 }
 554
 555 void
 556 Editor::update_ruler_visibility ()
 557 {
 558         using namespace Box_Helpers;
 559         BoxList & lab_children =  time_button_vbox.children();
 560         BoxList & ruler_lab_children =  ruler_label_vbox.children();
 561         BoxList & ruler_children =  time_canvas_vbox.children();
 562         int visible_rulers = 0;
 563
 564         if (no_ruler_shown_update) {
 565                 return;
 566         }
 567
 568         visible_timebars = 0;
 569
 570         lab_children.clear();
 571         ruler_lab_children.clear();
 572
 573         // leave the last one (the time_canvas) intact
 574         while (ruler_children.size() > 0) {
 575                 ruler_children.pop_front();
 576         }
 577
 578         BoxList::iterator canvaspos = ruler_children.begin();
 579
 580         _smpte_ruler = gtk_custom_hruler_new ();
 581         smpte_ruler = Glib::wrap (_smpte_ruler);
 582         smpte_ruler->set_name ("SMPTERuler");
 583         smpte_ruler->set_size_request (-1, (int)timebar_height);
 584         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_smpte_ruler), &ruler_metrics[ruler_metric_smpte]);
 585
 586         _bbt_ruler = gtk_custom_hruler_new ();
 587         bbt_ruler = Glib::wrap (_bbt_ruler);
 588         bbt_ruler->set_name ("BBTRuler");
 589         bbt_ruler->set_size_request (-1, (int)timebar_height);
 590         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_bbt_ruler), &ruler_metrics[ruler_metric_bbt]);
 591
 592         _frames_ruler = gtk_custom_hruler_new ();
 593         frames_ruler = Glib::wrap (_frames_ruler);
 594         frames_ruler->set_name ("FramesRuler");
 595         frames_ruler->set_size_request (-1, (int)timebar_height);
 596         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_frames_ruler), &ruler_metrics[ruler_metric_frames]);
 597
 598         _minsec_ruler = gtk_custom_hruler_new ();
 599         minsec_ruler = Glib::wrap (_minsec_ruler);
 600         minsec_ruler->set_name ("MinSecRuler");
 601         minsec_ruler->set_size_request (-1, (int)timebar_height);
 602         gtk_custom_ruler_set_metric (GTK_CUSTOM_RULER(_minsec_ruler), &ruler_metrics[ruler_metric_minsec]);
 603
 604         smpte_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 605         bbt_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 606         frames_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 607         minsec_ruler->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::SCROLL_MASK);
 608
 609         smpte_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
 610         bbt_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
 611         frames_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
 612         minsec_ruler->signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_button_release));
 613
 614         smpte_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
 615         bbt_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
 616         frames_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
 617         minsec_ruler->signal_button_press_event().connect (mem_fun(*this, &Editor::ruler_button_press));
 618
 619         smpte_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
 620         bbt_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
 621         frames_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
 622         minsec_ruler->signal_motion_notify_event().connect (mem_fun(*this, &Editor::ruler_mouse_motion));
 623
 624         smpte_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
 625         bbt_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
 626         frames_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
 627         minsec_ruler->signal_scroll_event().connect (mem_fun(*this, &Editor::ruler_scroll));
 628
 629         ruler_children.insert (canvaspos, Element(*_ruler_separator, PACK_SHRINK, PACK_START));
 630
 631         if (ruler_minsec_action->get_active()) {
 632                 ruler_lab_children.push_back (Element(minsec_label, PACK_SHRINK, PACK_START));
 633                 ruler_children.insert (canvaspos, Element(*minsec_ruler, PACK_SHRINK, PACK_START));
 634                 visible_rulers++;
 635         }
 636
 637         if (ruler_timecode_action->get_active()) {
 638                 ruler_lab_children.push_back (Element(smpte_label, PACK_SHRINK, PACK_START));
 639                 ruler_children.insert (canvaspos, Element(*smpte_ruler, PACK_SHRINK, PACK_START));
 640                 visible_rulers++;
 641         }
 642
 643         if (ruler_samples_action->get_active()) {
 644                 ruler_lab_children.push_back (Element(frame_label, PACK_SHRINK, PACK_START));
 645                 ruler_children.insert (canvaspos, Element(*frames_ruler, PACK_SHRINK, PACK_START));
 646                 visible_rulers++;
 647         }
 648
 649         if (ruler_bbt_action->get_active()) {
 650                 ruler_lab_children.push_back (Element(bbt_label, PACK_SHRINK, PACK_START));
 651                 ruler_children.insert (canvaspos, Element(*bbt_ruler, PACK_SHRINK, PACK_START));
 652                 visible_rulers++;
 653         }
 654
 655         double tbpos = 0.0;
 656         double tbgpos = 0.0;
 657         double old_unit_pos;
 658
 659         if (ruler_meter_action->get_active()) {
 660                 lab_children.push_back (Element(meter_label, PACK_SHRINK, PACK_START));
 661
 662                 old_unit_pos = meter_group->property_y();
 663                 if (tbpos != old_unit_pos) {
 664                         meter_group->move ( 0.0, tbpos - old_unit_pos);
 665                 }
 666                 old_unit_pos = meter_bar_group->property_y();
 667                 if (tbgpos != old_unit_pos) {
 668                         meter_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 669                 }
 670                 meter_bar_group->show();
 671                 meter_group->show();
 672                 tbpos += timebar_height;
 673                 tbgpos += timebar_height;
 674                 visible_timebars++;
 675         } else {
 676                 meter_bar_group->hide();
 677                 meter_group->hide();
 678         }
 679
 680         if (ruler_tempo_action->get_active()) {
 681                 lab_children.push_back (Element(tempo_label, PACK_SHRINK, PACK_START));
 682                 old_unit_pos = tempo_group->property_y();
 683                 if (tbpos != old_unit_pos) {
 684                         tempo_group->move(0.0, tbpos - old_unit_pos);
 685                 }
 686                 old_unit_pos = tempo_bar_group->property_y();
 687                 if (tbgpos != old_unit_pos) {
 688                         tempo_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 689                 }
 690                 tempo_bar_group->show();
 691                 tempo_group->show();
 692                 tbpos += timebar_height;
 693                 tbgpos += timebar_height;
 694                 visible_timebars++;
 695         } else {
 696                 tempo_bar_group->hide();
 697                 tempo_group->hide();
 698         }
 699
 700         if (!Profile->get_sae() && ruler_range_action->get_active()) {
 701                 lab_children.push_back (Element(range_mark_label, PACK_SHRINK, PACK_START));
 702                 old_unit_pos = range_marker_group->property_y();
 703                 if (tbpos != old_unit_pos) {
 704                         range_marker_group->move (0.0, tbpos - old_unit_pos);
 705                 }
 706                 old_unit_pos = range_marker_bar_group->property_y();
 707                 if (tbgpos != old_unit_pos) {
 708                         range_marker_bar_group->move (0.0, tbgpos - old_unit_pos);
 709                 }
 710                 range_marker_bar_group->show();
 711                 range_marker_group->show();
 712                 tbpos += timebar_height;
 713                 tbgpos += timebar_height;
 714                 visible_timebars++;
 715         } else {
 716                 range_marker_bar_group->hide();
 717                 range_marker_group->hide();
 718         }
 719
 720         if (ruler_loop_punch_action->get_active()) {
 721                 lab_children.push_back (Element(transport_mark_label, PACK_SHRINK, PACK_START));
 722                 old_unit_pos = transport_marker_group->property_y();
 723                 if (tbpos != old_unit_pos) {
 724                         transport_marker_group->move ( 0.0, tbpos - old_unit_pos);
 725                 }
 726                 old_unit_pos = transport_marker_bar_group->property_y();
 727                 if (tbgpos != old_unit_pos) {
 728                         transport_marker_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 729                 }
 730                 transport_marker_bar_group->show();
 731                 transport_marker_group->show();
 732                 tbpos += timebar_height;
 733                 tbgpos += timebar_height;
 734                 visible_timebars++;
 735         } else {
 736                 transport_marker_bar_group->hide();
 737                 transport_marker_group->hide();
 738         }
 739
 740         if (ruler_cd_marker_action->get_active()) {
 741                 lab_children.push_back (Element(cd_mark_label, PACK_SHRINK, PACK_START));
 742                 old_unit_pos = cd_marker_group->property_y();
 743                 if (tbpos != old_unit_pos) {
 744                         cd_marker_group->move (0.0, tbpos - old_unit_pos);
 745                 }
 746                 old_unit_pos = cd_marker_bar_group->property_y();
 747                 if (tbgpos != old_unit_pos) {
 748                         cd_marker_bar_group->move (0.0, tbgpos - old_unit_pos);
 749                 }
 750                 cd_marker_bar_group->show();
 751                 cd_marker_group->show();
 752                 tbpos += timebar_height;
 753                 tbgpos += timebar_height;
 754                 visible_timebars++;
 755                 // make sure all cd markers show up in their respective places
 756                 update_cd_marker_display();
 757         } else {
 758                 cd_marker_bar_group->hide();
 759                 cd_marker_group->hide();
 760                 // make sure all cd markers show up in their respective places
 761                 update_cd_marker_display();
 762         }
 763
 764         if (ruler_marker_action->get_active()) {
 765                 lab_children.push_back (Element(mark_label, PACK_SHRINK, PACK_START));
 766                 old_unit_pos = marker_group->property_y();
 767                 if (tbpos != old_unit_pos) {
 768                         marker_group->move ( 0.0, tbpos - old_unit_pos);
 769                 }
 770                 old_unit_pos = marker_bar_group->property_y();
 771                 if (tbgpos != old_unit_pos) {
 772                         marker_bar_group->move ( 0.0, tbgpos - old_unit_pos);
 773                 }
 774                 marker_bar_group->show();
 775                 marker_group->show();
 776                 tbpos += timebar_height;
 777                 tbgpos += timebar_height;
 778                 visible_timebars++;
 779         } else {
 780                 marker_bar_group->hide();
 781                 marker_group->hide();
 782         }
 783
 784         gdouble old_canvas_timebars_vsize = canvas_timebars_vsize;
 785         canvas_timebars_vsize = (timebar_height * visible_timebars) - 1;
 786         gdouble vertical_pos_delta = canvas_timebars_vsize - old_canvas_timebars_vsize;
 787         vertical_adjustment.set_upper(vertical_adjustment.get_upper() + vertical_pos_delta);
 788         full_canvas_height += vertical_pos_delta;
 789
 790         if (vertical_adjustment.get_value() != 0 && (vertical_adjustment.get_value() + canvas_height >= full_canvas_height)) {
 791                 /*if we're at the bottom of the canvas, don't move the _trackview_group*/
 792                 vertical_adjustment.set_value (full_canvas_height - canvas_height + 1);
 793         } else {
 794                 _trackview_group->property_y () = - get_trackview_group_vertical_offset ();
 795                 _trackview_group->move (0, 0);
 796                 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
 797         }
 798
 799         gdouble bottom_track_pos = vertical_adjustment.get_value() + canvas_height - canvas_timebars_vsize;
 800         if (trackview_by_y_position(bottom_track_pos) != 0) {
 801                 trackview_by_y_position(bottom_track_pos)->clip_to_viewport ();
 802         }
 803
 804         ruler_label_vbox.set_size_request (-1, (int)(timebar_height * visible_rulers));
 805
 806         time_canvas_vbox.set_size_request (-1,-1);
 807         time_canvas_event_box.queue_resize();
 808
 809         update_fixed_rulers();
 810         //redisplay_tempo (false);
 811
 812         time_canvas_event_box.show_all();
 813         ruler_label_event_box.show_all();
 814         time_button_event_box.show_all();
 815 }
 816
 817 void
 818 Editor::update_just_smpte ()
 819 {
 820         ENSURE_GUI_THREAD(mem_fun(*this, &Editor::update_just_smpte));
 821
 822         if (session == 0) {
 823                 return;
 824         }
 825
 826         nframes64_t rightmost_frame = leftmost_frame + current_page_frames();
 827
 828         if (ruler_timecode_action->get_active()) {
 829                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
 830                                             leftmost_frame, session->current_end_frame());
 831         }
 832 }
 833
 834 void
 835 Editor::update_fixed_rulers ()
 836 {
 837         nframes64_t rightmost_frame;
 838
 839         if (session == 0) {
 840                 return;
 841         }
 842
 843         ruler_metrics[ruler_metric_smpte].units_per_pixel = frames_per_unit;
 844         ruler_metrics[ruler_metric_frames].units_per_pixel = frames_per_unit;
 845         ruler_metrics[ruler_metric_minsec].units_per_pixel = frames_per_unit;
 846
 847         rightmost_frame = leftmost_frame + current_page_frames ();
 848
 849         /* these force a redraw, which in turn will force execution of the metric callbacks
 850            to compute the relevant ticks to display.
 851         */
 852
 853         if (ruler_timecode_action->get_active()) {
 854                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_smpte_ruler), leftmost_frame, rightmost_frame,
 855                                             leftmost_frame, session->current_end_frame());
 856         }
 857
 858         if (ruler_samples_action->get_active()) {
 859                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_frames_ruler), leftmost_frame, rightmost_frame,
 860                                             leftmost_frame, session->current_end_frame());
 861         }
 862
 863         if (ruler_minsec_action->get_active()) {
 864                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_minsec_ruler), leftmost_frame, rightmost_frame,
 865                                             leftmost_frame, session->current_end_frame());
 866         }
 867 }
 868
 869 void
 870 Editor::update_tempo_based_rulers ()
 871 {
 872         if (session == 0) {
 873                 return;
 874         }
 875
 876         ruler_metrics[ruler_metric_bbt].units_per_pixel = frames_per_unit;
 877
 878         if (ruler_bbt_action->get_active()) {
 879                 gtk_custom_ruler_set_range (GTK_CUSTOM_RULER(_bbt_ruler), leftmost_frame, leftmost_frame+current_page_frames(),
 880                                             leftmost_frame, session->current_end_frame());
 881         }
 882 }
 883
 884 /* Mark generation */
 885
 886 gint
 887 Editor::_metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 888 {
 889         return ruler_editor->metric_get_smpte (marks, lower, upper, maxchars);
 890 }
 891
 892 gint
 893 Editor::_metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 894 {
 895         return ruler_editor->metric_get_bbt (marks, lower, upper, maxchars);
 896 }
 897
 898 gint
 899 Editor::_metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 900 {
 901         return ruler_editor->metric_get_frames (marks, lower, upper, maxchars);
 902 }
 903
 904 gint
 905 Editor::_metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 906 {
 907         return ruler_editor->metric_get_minsec (marks, lower, upper, maxchars);
 908 }
 909
 910 gint
 911 Editor::metric_get_smpte (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
 912 {
 913         nframes_t pos;
 914         nframes64_t range;
 915         nframes64_t spacer;
 916         nframes64_t fr;
 917         SMPTE::Time smpte;
 918         gchar buf[16];
 919         gint nmarks = 0;
 920         gint n;
 921         bool show_bits = false;
 922         bool show_frames = false;
 923         bool show_seconds = false;
 924         bool show_minutes = false;
 925         bool show_hours = false;
 926         int mark_modulo;
 927
 928         if (session == 0) {
 929                 return 0;
 930         }
 931
 932         fr = session->frame_rate();
 933
 934         if (lower > (spacer = (nframes64_t)(128 * Editor::get_current_zoom ()))) {
 935                 lower = lower - spacer;
 936         } else {
 937                 lower = 0;
 938         }
 939         upper = upper + spacer;
 940         range = (nframes64_t) floor (upper - lower);
 941
 942         if (range < (2 * session->frames_per_smpte_frame())) { /* 0 - 2 frames */
 943                 show_bits = true;
 944                 mark_modulo = 20;
 945                 nmarks = 1 + (2 * Config->get_subframes_per_frame());
 946         } else if (range <= (fr / 4)) { /* 2 frames - 0.250 second */
 947                 show_frames = true;
 948                 mark_modulo = 1;
 949                 nmarks = 1 + (range / (nframes64_t)session->frames_per_smpte_frame());
 950         } else if (range <= (fr / 2)) { /* 0.25-0.5 second */
 951                 show_frames = true;
 952                 mark_modulo = 2;
 953                 nmarks = 1 + (range / (nframes64_t)session->frames_per_smpte_frame());
 954         } else if (range <= fr) { /* 0.5-1 second */
 955                 show_frames = true;
 956                 mark_modulo = 5;
 957                 nmarks = 1 + (range / (nframes64_t)session->frames_per_smpte_frame());
 958         } else if (range <= 2 * fr) { /* 1-2 seconds */
 959                 show_frames = true;
 960                 mark_modulo = 10;
 961                 nmarks = 1 + (range / (nframes64_t)session->frames_per_smpte_frame());
 962         } else if (range <= 8 * fr) { /* 2-8 seconds */
 963                 show_seconds = true;
 964                 mark_modulo = 1;
 965                 nmarks = 1 + (range / fr);
 966         } else if (range <= 16 * fr) { /* 8-16 seconds */
 967                 show_seconds = true;
 968                 mark_modulo = 2;
 969                 nmarks = 1 + (range / fr);
 970         } else if (range <= 30 * fr) { /* 16-30 seconds */
 971                 show_seconds = true;
 972                 mark_modulo = 5;
 973                 nmarks = 1 + (range / fr);
 974         } else if (range <= 60 * fr) { /* 30-60 seconds */
 975                 show_seconds = true;
 976                 mark_modulo = 5;
 977                 nmarks = 1 + (range / fr);
 978         } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
 979                 show_seconds = true;
 980                 mark_modulo = 20;
 981                 nmarks = 1 + (range / fr);
 982         } else if (range <= 4 * 60 * fr) { /* 2-4 minutes */
 983                 show_seconds = true;
 984                 mark_modulo = 30;
 985                 nmarks = 1 + (range / fr);
 986         } else if (range <= 10 * 60 * fr) { /* 4-10 minutes */
 987                 show_minutes = true;
 988                 mark_modulo = 2;
 989                 nmarks = 1 + 10;
 990         } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
 991                 show_minutes = true;
 992                 mark_modulo = 5;
 993                 nmarks = 1 + 30;
 994         } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
 995                 show_minutes = true;
 996                 mark_modulo = 10;
 997                 nmarks = 1 + 60;
 998         } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
 999                 show_minutes = true;
1000                 mark_modulo = 30;
1001                 nmarks = 1 + (60 * 4);
1002         } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
1003                 show_hours = true;
1004                 mark_modulo = 1;
1005                 nmarks = 1 + 8;
1006         } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
1007                 show_hours = true;
1008                 mark_modulo = 1;
1009                 nmarks = 1 + 24;
1010         } else {
1011
1012                 /* not possible if nframes64_t is a 32 bit quantity */
1013
1014                 show_hours = true;
1015                 mark_modulo = 4;
1016                 nmarks = 1 + 24;
1017         }
1018
1019         pos = (nframes_t) floor (lower);
1020
1021         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1022
1023         if (show_bits) {
1024                 // Find smpte time of this sample (pos) with subframe accuracy
1025                 session->sample_to_smpte(pos, smpte, true /* use_offset */, true /* use_subframes */ );
1026
1027                 for (n = 0; n < nmarks; n++) {
1028                         session->smpte_to_sample(smpte, pos, true /* use_offset */, true /* use_subframes */ );
1029                         if ((smpte.subframes % mark_modulo) == 0) {
1030                                 if (smpte.subframes == 0) {
1031                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1032                                         snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1033                                 } else {
1034                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1035                                         snprintf (buf, sizeof(buf), ".%02u", smpte.subframes);
1036                                 }
1037                         } else {
1038                                 snprintf (buf, sizeof(buf)," ");
1039                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1040
1041                         }
1042                         (*marks)[n].label = g_strdup (buf);
1043                         (*marks)[n].position = pos;
1044
1045                         // Increment subframes by one
1046                         SMPTE::increment_subframes( smpte );
1047                 }
1048         } else if (show_seconds) {
1049                 // Find smpte time of this sample (pos)
1050                 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1051                 // Go to next whole second down
1052                 SMPTE::seconds_floor( smpte );
1053
1054                 for (n = 0; n < nmarks; n++) {
1055                         session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1056                         if ((smpte.seconds % mark_modulo) == 0) {
1057                                 if (smpte.seconds == 0) {
1058                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1059                                         (*marks)[n].position = pos;
1060                                 } else {
1061                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1062                                         (*marks)[n].position = pos;
1063                                 }
1064                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1065                         } else {
1066                                 snprintf (buf, sizeof(buf)," ");
1067                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1068                                 (*marks)[n].position = pos;
1069
1070                         }
1071                         (*marks)[n].label = g_strdup (buf);
1072                         SMPTE::increment_seconds( smpte );
1073                 }
1074         } else if (show_minutes) {
1075                 // Find smpte time of this sample (pos)
1076                 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1077                 // Go to next whole minute down
1078                 SMPTE::minutes_floor( smpte );
1079
1080                 for (n = 0; n < nmarks; n++) {
1081                         session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1082                         if ((smpte.minutes % mark_modulo) == 0) {
1083                                 if (smpte.minutes == 0) {
1084                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1085                                 } else {
1086                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1087                                 }
1088                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1089                         } else {
1090                                 snprintf (buf, sizeof(buf)," ");
1091                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1092
1093                         }
1094                         (*marks)[n].label = g_strdup (buf);
1095                         (*marks)[n].position = pos;
1096                         SMPTE::increment_minutes( smpte );
1097                 }
1098         } else if (show_hours) {
1099                 // Find smpte time of this sample (pos)
1100                 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1101                 // Go to next whole hour down
1102                 SMPTE::hours_floor( smpte );
1103
1104                 for (n = 0; n < nmarks; n++) {
1105                         session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1106                         if ((smpte.hours % mark_modulo) == 0) {
1107                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1108                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1109                         } else {
1110                                 snprintf (buf, sizeof(buf)," ");
1111                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1112
1113                         }
1114                         (*marks)[n].label = g_strdup (buf);
1115                         (*marks)[n].position = pos;
1116
1117                         SMPTE::increment_hours( smpte );
1118                 }
1119         } else { // show_frames
1120                 // Find smpte time of this sample (pos)
1121                 session->sample_to_smpte(pos, smpte, true /* use_offset */, false /* use_subframes */ );
1122                 // Go to next whole frame down
1123                 SMPTE::frames_floor( smpte );
1124
1125                 for (n = 0; n < nmarks; n++) {
1126                         session->smpte_to_sample(smpte, pos, true /* use_offset */, false /* use_subframes */ );
1127                         if ((smpte.frames % mark_modulo) == 0)  {
1128                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1129                                 (*marks)[n].position = pos;
1130                                 snprintf (buf, sizeof(buf), "%s%02u:%02u:%02u:%02u", smpte.negative ? "-" : "", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
1131                         } else {
1132                                 snprintf (buf, sizeof(buf)," ");
1133                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1134                                 (*marks)[n].position = pos;
1135
1136                         }
1137                         (*marks)[n].label = g_strdup (buf);
1138                         SMPTE::increment( smpte );
1139                 }
1140         }
1141
1142         return nmarks;
1143 }
1144
1145
1146 gint
1147 Editor::metric_get_bbt (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1148 {
1149         if (session == 0) {
1150                 return 0;
1151         }
1152
1153         TempoMap::BBTPointList::iterator i;
1154
1155         uint32_t beats = 0;
1156         uint32_t bars = 0;
1157         uint32_t desirable_marks;
1158         uint32_t magic_accent_number = 1;
1159         gint nmarks;
1160         char buf[64];
1161         gint  n = 0;
1162         nframes64_t pos;
1163         bool bar_helper_on = true;
1164
1165         BBT_Time next_beat;
1166         nframes64_t next_beat_pos;
1167
1168         if ((desirable_marks = maxchars / 7) == 0) {
1169                return 0;
1170         }
1171
1172         /* align the tick marks to whatever we're snapping to... */
1173
1174         switch (snap_type) {
1175         case SnapToAThirdBeat:
1176                 bbt_beat_subdivision = 3;
1177                 break;
1178         case SnapToAQuarterBeat:
1179                 bbt_beat_subdivision = 4;
1180                 break;
1181         case SnapToAEighthBeat:
1182                 bbt_beat_subdivision = 8;
1183                 magic_accent_number = 2;
1184                 break;
1185         case SnapToASixteenthBeat:
1186                 bbt_beat_subdivision = 16;
1187                 magic_accent_number = 4;
1188                 break;
1189         case SnapToAThirtysecondBeat:
1190                 bbt_beat_subdivision = 32;
1191                 magic_accent_number = 8;
1192                 break;
1193         default:
1194                bbt_beat_subdivision = 4;
1195                 break;
1196         }
1197
1198         if (current_bbt_points == 0 || current_bbt_points->empty()) {
1199                 return 0;
1200         }
1201
1202         i = current_bbt_points->end();
1203         i--;
1204         bars = (*i).bar - (*current_bbt_points->begin()).bar;
1205         beats = current_bbt_points->size() - bars;
1206
1207         /*Only show the bar helper if there aren't many bars on the screen */
1208         if (bars > 1) {
1209                 bar_helper_on = false;
1210         }
1211
1212         if (desirable_marks > (beats / 4)) {
1213
1214                 /* we're in beat land...*/
1215
1216                 uint32_t tick = 0;
1217                 uint32_t skip;
1218                 uint32_t t;
1219                 nframes64_t frame_skip;
1220                 double frame_skip_error;
1221                 double accumulated_error;
1222                 double position_of_helper;
1223                 bool i_am_accented = false;
1224                 bool we_need_ticks = false;
1225                 bool helper_active = false;
1226
1227                 position_of_helper = lower + (30 * Editor::get_current_zoom ());
1228
1229                 if (desirable_marks >= (beats)) {
1230                         nmarks = (beats * bbt_beat_subdivision) + 1;
1231                         we_need_ticks = true;
1232                 } else {
1233                         nmarks = beats + 1;
1234                 }
1235
1236                 *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1237
1238                 (*marks)[0].label = g_strdup(" ");
1239                 (*marks)[0].position = lower;
1240                 (*marks)[0].style = GtkCustomRulerMarkMicro;
1241
1242                 for (n = 1,   i = current_bbt_points->begin(); n < nmarks && i != current_bbt_points->end(); ++i) {
1243
1244                         if ((*i).frame < lower && (bar_helper_on)) {
1245                                         snprintf (buf, sizeof(buf), "<%" PRIu32 "|%" PRIu32, (*i).bar, (*i).beat);
1246                                         (*marks)[0].label = g_strdup (buf);
1247                                         helper_active = true;
1248                         } else {
1249
1250                           if ((*i).type == TempoMap::Bar)  {
1251                             if (((*i).frame < position_of_helper) && helper_active) {
1252                               snprintf (buf, sizeof(buf), " ");
1253                             } else {
1254                               snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1255                             }
1256                             (*marks)[n].label = g_strdup (buf);
1257                             (*marks)[n].position = (*i).frame;
1258                             (*marks)[n].style = GtkCustomRulerMarkMajor;
1259                             n++;
1260
1261                           } else if (((*i).type == TempoMap::Beat) && ((*i).beat > 1)) {
1262                             ((((*i).frame < position_of_helper) && bar_helper_on) || !we_need_ticks) ?
1263                               snprintf (buf, sizeof(buf), " ") : snprintf (buf, sizeof(buf), "%" PRIu32, (*i).beat);
1264                             if (((*i).beat % 2 == 1) || we_need_ticks) {
1265                               (*marks)[n].style = GtkCustomRulerMarkMinor;
1266                             } else {
1267                               (*marks)[n].style = GtkCustomRulerMarkMicro;
1268                             }
1269                             (*marks)[n].label =  g_strdup (buf);
1270                             (*marks)[n].position = (*i).frame;
1271                             n++;
1272                           }
1273
1274                         }
1275
1276
1277                         /* Add the tick marks */
1278
1279                         if (we_need_ticks && (*i).type == TempoMap::Beat) {
1280
1281                                 /* Find the next beat */
1282
1283                                 next_beat.beats = (*i).beat;
1284                                 next_beat.bars = (*i).bar;
1285
1286                                 if ((*i).meter->beats_per_bar() > (next_beat.beats + 1)) {
1287                                   next_beat.beats += 1;
1288                                 } else {
1289                                   next_beat.bars += 1;
1290                                   next_beat.beats = 1;
1291                                 }
1292
1293                                 next_beat_pos = session->tempo_map().frame_time(next_beat);
1294
1295                                 frame_skip = (nframes64_t) floor (frame_skip_error = (session->frame_rate() *  60) / (bbt_beat_subdivision * (*i).tempo->beats_per_minute()));
1296                                 frame_skip_error -= frame_skip;
1297                                 skip = (uint32_t) (Meter::ticks_per_beat / bbt_beat_subdivision);
1298
1299                                 pos = (*i).frame + frame_skip;
1300                                 accumulated_error = frame_skip_error;
1301
1302                                 tick = skip;
1303
1304                                 for (t = 0; (tick < Meter::ticks_per_beat) && (n < nmarks) && (pos < next_beat_pos) ; pos += frame_skip, tick += skip, ++t) {
1305
1306                                         if (t % magic_accent_number == (magic_accent_number - 1)) {
1307                                                 i_am_accented = true;
1308                                         }
1309                                         if (Editor::get_current_zoom () > 32) {
1310                                                 snprintf (buf, sizeof(buf), " ");
1311                                         } else if ((Editor::get_current_zoom () > 8) && !i_am_accented) {
1312                                                 snprintf (buf, sizeof(buf), " ");
1313                                         } else  if (bar_helper_on && (pos < position_of_helper)) {
1314                                                 snprintf (buf, sizeof(buf), " ");
1315                                         } else {
1316                                                 snprintf (buf, sizeof(buf), "%" PRIu32, tick);
1317                                         }
1318
1319                                         (*marks)[n].label = g_strdup (buf);
1320
1321                                         /* Error compensation for float to nframes64_t*/
1322                                         accumulated_error += frame_skip_error;
1323                                         if (accumulated_error > 1) {
1324                                                 pos += 1;
1325                                                 accumulated_error -= 1.0f;
1326                                         }
1327
1328                                         (*marks)[n].position = pos;
1329
1330                                         if ((bbt_beat_subdivision > 4) && i_am_accented) {
1331                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1332                                         } else {
1333                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1334                                         }
1335                                         i_am_accented = false;
1336                                         n++;
1337
1338                                 }
1339                         }
1340                 }
1341                 return n; //return the actual number of marks made, since we might have skipped some fro fractional time signatures
1342
1343        } else {
1344
1345                 /* we're in bar land */
1346
1347                 if (desirable_marks < (bars / 256)) {
1348                         nmarks = 1;
1349                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1350                         snprintf (buf, sizeof(buf), "too many bars... (currently %" PRIu32 ")", bars );
1351                         (*marks)[0].style = GtkCustomRulerMarkMajor;
1352                         (*marks)[0].label = g_strdup (buf);
1353                         (*marks)[0].position = lower;
1354                 } else if (desirable_marks < (uint32_t)(nmarks = (gint) (bars / 64) + 1)) {
1355                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1356                         for (n = 0,   i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1357                                 if ((*i).type == TempoMap::Bar)  {
1358                                         if ((*i).bar % 64 == 1) {
1359                                                 if ((*i).bar % 256 == 1) {
1360                                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1361                                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1362                                                 } else {
1363                                                         snprintf (buf, sizeof(buf), " ");
1364                                                         if ((*i).bar % 256 == 129)  {
1365                                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1366                                                         } else {
1367                                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1368                                                         }
1369                                                 }
1370                                                 (*marks)[n].label = g_strdup (buf);
1371                                                 (*marks)[n].position = (*i).frame;
1372                                                 n++;
1373                                         }
1374                                 }
1375                         }
1376                 } else if (desirable_marks < (uint32_t)(nmarks = (bars / 16) + 1)) {
1377                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1378                         for (n = 0,  i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1379                                 if ((*i).type == TempoMap::Bar)  {
1380                                         if ((*i).bar % 16 == 1) {
1381                                                 if ((*i).bar % 64 == 1) {
1382                                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1383                                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1384                                                 } else {
1385                                                         snprintf (buf, sizeof(buf), " ");
1386                                                         if ((*i).bar % 64 == 33)  {
1387                                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1388                                                         } else {
1389                                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1390                                                         }
1391                                                 }
1392                                                 (*marks)[n].label = g_strdup (buf);
1393                                                 (*marks)[n].position = (*i).frame;
1394                                                 n++;
1395                                         }
1396                                 }
1397                         }
1398                 } else if (desirable_marks < (uint32_t)(nmarks = (bars / 4) + 1)){
1399                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1400                         for (n = 0,   i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; ++i) {
1401                                 if ((*i).type == TempoMap::Bar)  {
1402                                         if ((*i).bar % 4 == 1) {
1403                                                 if ((*i).bar % 16 == 1) {
1404                                                         snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1405                                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1406                                                 } else {
1407                                                         snprintf (buf, sizeof(buf), " ");
1408                                                         if ((*i).bar % 16 == 9)  {
1409                                                                 (*marks)[n].style = GtkCustomRulerMarkMinor;
1410                                                         } else {
1411                                                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1412                                                         }
1413                                                 }
1414                                                 (*marks)[n].label = g_strdup (buf);
1415                                                 (*marks)[n].position = (*i).frame;
1416                                                 n++;
1417                                         }
1418                                 }
1419                         }
1420                 } else {
1421                         nmarks = bars + 1;
1422                         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks );
1423                         for (n = 0,  i = current_bbt_points->begin(); i != current_bbt_points->end() && n < nmarks; i++) {
1424                                 if ((*i).type == TempoMap::Bar)  {
1425                                         if ((*i).bar % 4 == 1) {
1426                                                 snprintf (buf, sizeof(buf), "%" PRIu32, (*i).bar);
1427                                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1428                                         } else {
1429                                                 snprintf (buf, sizeof(buf), " ");
1430                                                 if ((*i).bar % 4 == 3)  {
1431                                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1432                                                 } else {
1433                                                         (*marks)[n].style = GtkCustomRulerMarkMicro;
1434                                                 }
1435                                         }
1436                                         (*marks)[n].label = g_strdup (buf);
1437                                         (*marks)[n].position = (*i).frame;
1438                                         n++;
1439                                 }
1440                         }
1441                 }
1442                 return n;
1443         }
1444 }
1445
1446 gint
1447 Editor::metric_get_frames (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1448 {
1449         nframes64_t mark_interval;
1450         nframes64_t pos;
1451         nframes64_t ilower = (nframes64_t) floor (lower);
1452         nframes64_t iupper = (nframes64_t) floor (upper);
1453         gchar buf[16];
1454         gint nmarks;
1455         gint n;
1456
1457         if (session == 0) {
1458                 return 0;
1459         }
1460
1461         mark_interval = (iupper - ilower) / 5;
1462         if (mark_interval > session->frame_rate()) {
1463                 mark_interval -= mark_interval % session->frame_rate();
1464         } else {
1465                 mark_interval = session->frame_rate() / (session->frame_rate() / mark_interval ) ;
1466         }
1467         nmarks = 5;
1468         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1469         for (n = 0, pos = ilower; n < nmarks; pos += mark_interval, ++n) {
1470                 snprintf (buf, sizeof(buf), "%" PRIi64,  pos);
1471                 (*marks)[n].label = g_strdup (buf);
1472                 (*marks)[n].position = pos;
1473                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1474         }
1475
1476         return nmarks;
1477 }
1478
1479 static void
1480 sample_to_clock_parts ( nframes64_t sample,
1481                         nframes64_t sample_rate,
1482                         long *hrs_p,
1483                         long *mins_p,
1484                         long *secs_p,
1485                         long *millisecs_p)
1486
1487 {
1488         nframes64_t left;
1489         long hrs;
1490         long mins;
1491         long secs;
1492         long millisecs;
1493
1494         left = sample;
1495         hrs = left / (sample_rate * 60 * 60);
1496         left -= hrs * sample_rate * 60 * 60;
1497         mins = left / (sample_rate * 60);
1498         left -= mins * sample_rate * 60;
1499         secs = left / sample_rate;
1500         left -= secs * sample_rate;
1501         millisecs = left * 1000 / sample_rate;
1502
1503         *millisecs_p = millisecs;
1504         *secs_p = secs;
1505         *mins_p = mins;
1506         *hrs_p = hrs;
1507
1508         return;
1509 }
1510
1511 gint
1512 Editor::metric_get_minsec (GtkCustomRulerMark **marks, gdouble lower, gdouble upper, gint maxchars)
1513 {
1514         nframes64_t range;
1515         nframes64_t fr;
1516         nframes64_t mark_interval;
1517         nframes64_t pos;
1518         nframes64_t spacer;
1519         long hrs, mins, secs, millisecs;
1520         gchar buf[16];
1521         gint nmarks;
1522         gint n;
1523         gint mark_modulo = 100;
1524         bool show_seconds = false;
1525         bool show_minutes = false;
1526         bool show_hours = false;
1527         nframes64_t ilower = (nframes64_t) floor (lower);
1528         nframes64_t iupper = (nframes64_t) floor (upper);
1529
1530         if (session == 0) {
1531                 return 0;
1532         }
1533
1534         fr = session->frame_rate();
1535
1536         /* to prevent 'flashing' */
1537         if (lower > (spacer = (nframes64_t)(128 * Editor::get_current_zoom ()))) {
1538                 lower = lower - spacer;
1539         } else {
1540                 lower = 0;
1541         }
1542         upper = upper + spacer;
1543         range = iupper - ilower;
1544
1545         if (range <  (fr / 50)) {
1546                 mark_interval =  fr / 100; /* show 1/100 seconds */
1547                 mark_modulo = 10;
1548         } else if (range <= (fr / 10)) { /* 0-0.1 second */
1549                 mark_interval = fr / 50; /* show 1/50 seconds */
1550                 mark_modulo = 20;
1551         } else if (range <= (fr / 2)) { /* 0-0.5 second */
1552                 mark_interval = fr / 20;  /* show 1/20 seconds */
1553                 mark_modulo = 100;
1554         } else if (range <= fr) { /* 0-1 second */
1555                 mark_interval = fr / 10;  /* show 1/10 seconds */
1556                 mark_modulo = 200;
1557         } else if (range <= 2 * fr) { /* 1-2 seconds */
1558                 mark_interval = fr / 2; /* show 1/2 seconds */
1559                 mark_modulo = 500;
1560         } else if (range <= 8 * fr) { /* 2-5 seconds */
1561                 mark_interval =  fr / 5; /* show 2 seconds */
1562                 mark_modulo = 1000;
1563         } else if (range <= 16 * fr) { /* 8-16 seconds */
1564                 mark_interval =  fr; /* show 1 seconds */
1565                 show_seconds = true;
1566                 mark_modulo = 5;
1567         } else if (range <= 30 * fr) { /* 10-30 seconds */
1568                 mark_interval =  fr; /* show 10 seconds */
1569                 show_seconds = true;
1570                 mark_modulo = 5;
1571         } else if (range <= 60 * fr) { /* 30-60 seconds */
1572                 mark_interval = 5 * fr; /* show 5 seconds */
1573                 show_seconds = true;
1574                 mark_modulo = 3;
1575         } else if (range <= 2 * 60 * fr) { /* 1-2 minutes */
1576                 mark_interval = 5 * fr; /* show 5 seconds */
1577                 show_seconds = true;
1578                 mark_modulo = 3;
1579         } else if (range <= 4 * 60 * fr) { /* 4 minutes */
1580                 mark_interval = 10 * fr; /* show 10 seconds */
1581                 show_seconds = true;
1582                 mark_modulo = 30;
1583         } else if (range <= 10 * 60 * fr) { /* 10 minutes */
1584                 mark_interval = 30 * fr; /* show 30 seconds */
1585                 show_seconds = true;
1586                 mark_modulo = 60;
1587         } else if (range <= 30 * 60 * fr) { /* 10-30 minutes */
1588                 mark_interval =  60 * fr; /* show 1 minute */
1589                 show_minutes = true;
1590                 mark_modulo = 5;
1591         } else if (range <= 60 * 60 * fr) { /* 30 minutes - 1hr */
1592                 mark_interval = 2 * 60 * fr; /* show 2 minutes */
1593                 show_minutes = true;
1594                 mark_modulo = 10;
1595         } else if (range <= 4 * 60 * 60 * fr) { /* 1 - 4 hrs*/
1596                 mark_interval = 5 * 60 * fr; /* show 10 minutes */
1597                 show_minutes = true;
1598                 mark_modulo = 30;
1599         } else if (range <= 8 * 60 * 60 * fr) { /* 4 - 8 hrs*/
1600                 mark_interval = 20 * 60 * fr; /* show 20 minutes */
1601                 show_minutes = true;
1602                 mark_modulo = 60;
1603         } else if (range <= 16 * 60 * 60 * fr) { /* 16-24 hrs*/
1604                 mark_interval =  60 * 60 * fr; /* show 60 minutes */
1605                 show_hours = true;
1606                 mark_modulo = 2;
1607         } else {
1608
1609                 /* not possible if nframes64_t is a 32 bit quantity */
1610
1611                 mark_interval = 4 * 60 * 60 * fr; /* show 4 hrs */
1612         }
1613
1614         nmarks = 1 + (range / mark_interval);
1615         *marks = (GtkCustomRulerMark *) g_malloc (sizeof(GtkCustomRulerMark) * nmarks);
1616         pos = ((ilower + (mark_interval/2))/mark_interval) * mark_interval;
1617
1618         if (show_seconds) {
1619                 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1620                         sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1621                         if (secs % mark_modulo == 0) {
1622                                 if (secs == 0) {
1623                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1624                                 } else {
1625                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1626                                 }
1627                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1628                         } else {
1629                                 snprintf (buf, sizeof(buf), " ");
1630                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1631                         }
1632                         (*marks)[n].label = g_strdup (buf);
1633                         (*marks)[n].position = pos;
1634                 }
1635         } else if (show_minutes) {
1636                 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1637                         sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1638                         if (mins % mark_modulo == 0) {
1639                                 if (mins == 0) {
1640                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1641                                 } else {
1642                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1643                                 }
1644                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1645                         } else {
1646                                 snprintf (buf, sizeof(buf), " ");
1647                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1648                         }
1649                         (*marks)[n].label = g_strdup (buf);
1650                         (*marks)[n].position = pos;
1651                 }
1652         } else if (show_hours) {
1653                  for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1654                         sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1655                         if (hrs % mark_modulo == 0) {
1656                                 (*marks)[n].style = GtkCustomRulerMarkMajor;
1657                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1658                         } else {
1659                                 snprintf (buf, sizeof(buf), " ");
1660                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1661                         }
1662                         (*marks)[n].label = g_strdup (buf);
1663                         (*marks)[n].position = pos;
1664                 }
1665         } else {
1666                 for (n = 0; n < nmarks; pos += mark_interval, ++n) {
1667                         sample_to_clock_parts (pos, fr, &hrs, &mins, &secs, &millisecs);
1668                         if (millisecs % mark_modulo == 0) {
1669                                 if (millisecs == 0) {
1670                                         (*marks)[n].style = GtkCustomRulerMarkMajor;
1671                                 } else {
1672                                         (*marks)[n].style = GtkCustomRulerMarkMinor;
1673                                 }
1674                                 snprintf (buf, sizeof(buf), "%02ld:%02ld:%02ld.%03ld", hrs, mins, secs, millisecs);
1675                         } else {
1676                                 snprintf (buf, sizeof(buf), " ");
1677                                 (*marks)[n].style = GtkCustomRulerMarkMicro;
1678                         }
1679                         (*marks)[n].label = g_strdup (buf);
1680                         (*marks)[n].position = pos;
1681                 }
1682         }
1683
1684         return nmarks;
1685 }