gtk2_ardour/audio_clock.cc

   1 /*
   2     Copyright (C) 1999 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
  21 #include <cmath>
  22
  23 #include "pbd/convert.h"
  24 #include "pbd/enumwriter.h"
  25
  26 #include <gtkmm/style.h>
  27
  28 #include "gtkmm2ext/cairocell.h"
  29 #include <gtkmm2ext/utils.h>
  30
  31 #include "ardour/ardour.h"
  32 #include "ardour/session.h"
  33 #include "ardour/tempo.h"
  34 #include "ardour/profile.h"
  35 #include <sigc++/bind.h>
  36
  37 #include "ardour_ui.h"
  38 #include "audio_clock.h"
  39 #include "utils.h"
  40 #include "keyboard.h"
  41 #include "gui_thread.h"
  42 #include "i18n.h"
  43
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace Gtk;
  47 using namespace std;
  48
  49 using Gtkmm2ext::Keyboard;
  50
  51 using PBD::atoi;
  52 using PBD::atof;
  53
  54 sigc::signal<void> AudioClock::ModeChanged;
  55 vector<AudioClock*> AudioClock::clocks;
  56
  57 uint32_t AudioClock::field_length[] = {
  58         1, /* Timecode_Sign */
  59         2, /* Timecode_Hours */
  60         2, /* Timecode_Minutes */
  61         2, /* Timecode_Seconds */
  62         2, /* Timecode_Frames */
  63         2, /* MS_Hours */
  64         2, /* MS_Minutes */
  65         2, /* MS_Seconds */
  66         3, /* MS_Milliseconds */
  67         4, /* Bars */
  68         2, /* Beats */
  69         4, /* Ticks */
  70         10, /* AudioFrames */
  71 };
  72
  73 AudioClock::AudioClock (const string& clock_name, bool transient, const string& widget_name,
  74                         bool allow_edit, bool follows_playhead, bool duration, bool with_info)
  75         : _name (clock_name)
  76         , is_transient (transient)
  77         , is_duration (duration)
  78         , editable (allow_edit)
  79         , _follows_playhead (follows_playhead)
  80         , _off (false)
  81         , supplemental_left (0)
  82         , supplemental_right (0)
  83         , last_when(0)
  84         , _canonical_time_is_displayed (true)
  85         , _canonical_time (0)
  86 {
  87         last_when = 0;
  88
  89         last_hrs = 9999;
  90         last_mins = 9999;
  91         last_secs = 9999;
  92         last_frames = 99999;
  93
  94         ms_last_hrs = 9999;
  95         ms_last_mins = 9999;
  96         ms_last_secs = 9999;
  97         ms_last_millisecs = 99999;
  98
  99         last_negative = false;
 100
 101         last_pdelta = 0;
 102         last_sdelta = 0;
 103         key_entry_state = 0;
 104         ops_menu = 0;
 105         dragging = false;
 106         bbt_reference_time = -1;
 107         editing_field = (Field) 0;
 108
 109         /* basic per-mode editable text "arrays" */
 110
 111         display = new CairoEditableText ();
 112         display->set_corner_radius (0);
 113
 114         _fixed_cells[Colon1] = new CairoCharCell (Colon1, ':');
 115         _fixed_cells[Colon2] = new CairoCharCell (Colon2, ':');
 116         _fixed_cells[Colon3] = new CairoCharCell (Colon3, ':');
 117         _fixed_cells[Bar1] = new CairoCharCell (Bar1, '|');
 118         _fixed_cells[Bar2] = new CairoCharCell (Bar2, '|');
 119
 120         _text_cells[Timecode_Sign] = new CairoTextCell (Timecode_Sign, field_length[Timecode_Sign]);
 121         _text_cells[Timecode_Hours] = new CairoTextCell (Timecode_Hours, field_length[Timecode_Hours]);
 122         _text_cells[Timecode_Minutes] = new CairoTextCell (Timecode_Minutes, field_length[Timecode_Minutes]);
 123         _text_cells[Timecode_Seconds] = new CairoTextCell (Timecode_Seconds, field_length[Timecode_Seconds]);
 124         _text_cells[Timecode_Frames] = new CairoTextCell (Timecode_Frames, field_length[Timecode_Frames]);
 125
 126         /* Minutes/Seconds */
 127
 128         _text_cells[MS_Hours] = new CairoTextCell (MS_Hours, field_length[MS_Hours]);
 129         _text_cells[MS_Minutes] = new CairoTextCell (MS_Minutes, field_length[MS_Minutes]);
 130         _text_cells[MS_Seconds] = new CairoTextCell (MS_Seconds, field_length[MS_Seconds]);
 131         _text_cells[MS_Milliseconds] = new CairoTextCell (MS_Milliseconds, field_length[MS_Milliseconds]);
 132
 133         /* Beats/Bars/Ticks */
 134
 135         _text_cells[Bars] = new CairoTextCell (Bars, field_length[Bars]);
 136         _text_cells[Beats] = new CairoTextCell (Beats, field_length[Beats]);
 137         _text_cells[Ticks] = new CairoTextCell (Ticks, field_length[Ticks]);
 138
 139         /* Audio Frames */
 140
 141         _text_cells[AudioFrames] = new CairoTextCell (AudioFrames, field_length[AudioFrames]);
 142
 143         set_homogeneous (false);
 144
 145         if (with_info) {
 146
 147                 supplemental_left = new CairoEditableText ();
 148                 supplemental_right = new CairoEditableText ();
 149
 150                 supplemental_left->set_corner_radius (0);
 151                 supplemental_right->set_corner_radius (0);
 152
 153                 /* field lengths of these cells will be set dynamically by ::set_mode()
 154                  */
 155
 156                 _text_cells[LowerLeft1] = new CairoTextCell (LowerLeft1, 0);
 157                 _text_cells[LowerLeft2] = new CairoTextCell (LowerLeft2, 0);
 158                 _text_cells[LowerRight1] = new CairoTextCell (LowerRight1, 0);
 159                 _text_cells[LowerRight2] = new CairoTextCell (LowerRight2, 0);
 160
 161                 bottom.set_spacing (1);
 162                 bottom.set_homogeneous (false);
 163                 bottom.pack_start (*supplemental_left, true, true);
 164                 bottom.pack_start (*supplemental_right, true, true);
 165
 166                 top.pack_start (*display, true, true);
 167
 168                 set_spacing (1);
 169
 170                 pack_start (top, true, true);
 171                 pack_start (bottom, true, true);
 172         } else {
 173                 pack_start (*display, true, true);
 174         }
 175
 176         show_all ();
 177
 178         set_widget_name (widget_name);
 179
 180         _mode = BBT; /* lie to force mode switch */
 181         set_mode (Timecode);
 182         set (last_when, true);
 183
 184         connect_signals ();
 185
 186         if (!is_transient) {
 187                 clocks.push_back (this);
 188         }
 189 }
 190
 191 AudioClock::~AudioClock ()
 192 {
 193         /* these are not manage()'d, so that we can add/remove
 194            them from containers as necessary.
 195         */
 196
 197         delete display;
 198         delete supplemental_left;
 199         delete supplemental_right;
 200
 201         for (std::map<Field,CairoCell*>::iterator i = _fixed_cells.begin(); i != _fixed_cells.end(); ++i) {
 202                 delete i->second;
 203         }
 204
 205         for (std::map<Field,CairoTextCell*>::iterator i = _text_cells.begin(); i != _text_cells.end(); ++i) {
 206                 delete i->second;
 207         }
 208 }
 209
 210 void
 211 AudioClock::set_widget_name (const string& name)
 212 {
 213         Widget::set_name (name);
 214
 215         set_theme ();
 216 }
 217
 218 void
 219 AudioClock::set_theme ()
 220 {
 221         Glib::RefPtr<Gtk::Style> style = get_style ();
 222         double r, g, b, a;
 223
 224         if (!style) {
 225                 return;
 226         }
 227
 228         Pango::FontDescription font;
 229
 230         if (!is_realized()) {
 231                 font = get_font_for_style (get_name());
 232         } else {
 233                 font = style->get_font();
 234         }
 235
 236         display->set_font (font);
 237
 238
 239         if (supplemental_left) {
 240                 /* propagate font style, sort of, into supplemental text */
 241                 boost::shared_ptr<CairoFontDescription> smaller_font (new CairoFontDescription (*display->font().get()));
 242                 smaller_font->set_size (12);
 243                 smaller_font->set_weight (Cairo::FONT_WEIGHT_NORMAL);
 244                 supplemental_right->set_font (smaller_font);
 245                 supplemental_left->set_font (smaller_font);
 246         }
 247
 248         Gdk::Color bg = style->get_base (Gtk::STATE_NORMAL);
 249         Gdk::Color fg = style->get_text (Gtk::STATE_NORMAL);
 250         Gdk::Color eg = style->get_text (Gtk::STATE_ACTIVE);
 251
 252         r = bg.get_red_p ();
 253         g = bg.get_green_p ();
 254         b = bg.get_blue_p ();
 255         a = 1.0;
 256
 257         display->set_bg (r, g, b, a);
 258
 259         if (supplemental_right) {
 260                 supplemental_right->set_bg (r,g,b,a);
 261                 supplemental_left->set_bg (r,g,b,a);
 262         }
 263
 264         r = fg.get_red_p ();
 265         g = fg.get_green_p ();
 266         b = fg.get_blue_p ();
 267         a = 1.0;
 268
 269         display->set_colors (r, g, b, a);
 270
 271         if (supplemental_right) {
 272                 supplemental_right->set_colors (r,g,b,a);
 273                 supplemental_left->set_colors (r,g,b,a);
 274         }
 275
 276         r = eg.get_red_p ();
 277         g = eg.get_green_p ();
 278         b = eg.get_blue_p ();
 279         a = 1.0;
 280
 281         display->set_edit_colors (r, g, b, a);
 282
 283         if (supplemental_right) {
 284                 supplemental_right->set_edit_colors (r,g,b,a);
 285                 supplemental_left->set_edit_colors (r,g,b,a);
 286         }
 287
 288         queue_draw ();
 289 }
 290
 291 void
 292 AudioClock::focus ()
 293 {
 294 }
 295
 296 void
 297 AudioClock::end_edit ()
 298 {
 299         display->stop_editing ();
 300         editing_field = (Field) 0;
 301         key_entry_state = 0;
 302
 303         /* move focus back to the default widget in the top level window */
 304
 305         Keyboard::magic_widget_drop_focus ();
 306
 307         Widget* top = get_toplevel();
 308
 309         if (top->is_toplevel ()) {
 310                 Window* win = dynamic_cast<Window*> (top);
 311                 win->grab_focus ();
 312         }
 313 }
 314
 315 void
 316 AudioClock::on_realize ()
 317 {
 318         VBox::on_realize ();
 319
 320         /* styles are not available until the widgets are bound to a window */
 321
 322         set_theme ();
 323 }
 324
 325 void
 326 AudioClock::set (framepos_t when, bool force, framecnt_t offset, char which)
 327 {
 328         if ((!force && !is_visible()) || _session == 0) {
 329                 return;
 330         }
 331
 332         bool const pdelta = Config->get_primary_clock_delta_edit_cursor ();
 333         bool const sdelta = Config->get_secondary_clock_delta_edit_cursor ();
 334
 335         if (offset && which == 'p' && pdelta) {
 336                 when = (when > offset) ? when - offset : offset - when;
 337         } else if (offset && which == 's' && sdelta) {
 338                 when = (when > offset) ? when - offset : offset - when;
 339         }
 340
 341         if (when == last_when && !force) {
 342                 return;
 343         }
 344
 345         if (which == 'p' && pdelta && !last_pdelta) {
 346                 set_widget_name("TransportClockDisplayDelta");
 347                 last_pdelta = true;
 348         } else if (which == 'p' && !pdelta && last_pdelta) {
 349                 set_widget_name("TransportClockDisplay");
 350                 last_pdelta = false;
 351         } else if (which == 's' && sdelta && !last_sdelta) {
 352                 set_widget_name("SecondaryClockDisplayDelta");
 353                 last_sdelta = true;
 354         } else if (which == 's' && !sdelta && last_sdelta) {
 355                 set_widget_name("SecondaryClockDisplay");
 356                 last_sdelta = false;
 357         }
 358
 359         switch (_mode) {
 360         case Timecode:
 361                 set_timecode (when, force);
 362                 break;
 363
 364         case BBT:
 365                 set_bbt (when, force);
 366                 break;
 367
 368         case MinSec:
 369                 set_minsec (when, force);
 370                 break;
 371
 372         case Frames:
 373                 set_frames (when, force);
 374                 break;
 375         }
 376
 377         last_when = when;
 378
 379         /* we're setting the time from a frames value, so keep it as the canonical value */
 380         _canonical_time = when;
 381         _canonical_time_is_displayed = false;
 382 }
 383
 384 void
 385 AudioClock::session_configuration_changed (std::string p)
 386 {
 387         if (p != "timecode-offset" && p != "timecode-offset-negative") {
 388                 return;
 389         }
 390
 391         framecnt_t current;
 392
 393         switch (_mode) {
 394         case Timecode:
 395                 if (is_duration) {
 396                         current = current_duration ();
 397                 } else {
 398                         current = current_time ();
 399                 }
 400                 set (current, true);
 401                 break;
 402         default:
 403                 break;
 404         }
 405 }
 406
 407 void
 408 AudioClock::set_frames (framepos_t when, bool /*force*/)
 409 {
 410         char buf[32];
 411         snprintf (buf, sizeof (buf), "%" PRId64, when);
 412
 413         if (_off) {
 414                 display->set_text (_text_cells[AudioFrames], "-----------");
 415
 416                 if (supplemental_left) {
 417                         supplemental_left->set_text (_text_cells[LowerLeft2], "");
 418                         supplemental_right->set_text (_text_cells[LowerRight2], "");
 419                 }
 420
 421                 return;
 422         }
 423
 424
 425         display->set_text (_text_cells[AudioFrames], buf);
 426
 427         if (supplemental_left) {
 428                 framecnt_t rate = _session->frame_rate();
 429
 430                 if (fmod (rate, 1000.0) == 0.000) {
 431                         sprintf (buf, "%" PRId64 "K", rate/1000);
 432                 } else {
 433                         sprintf (buf, "%" PRId64, rate);
 434                 }
 435
 436                 supplemental_left->set_text (_text_cells[LowerLeft2], buf);
 437
 438                 float vid_pullup = _session->config.get_video_pullup();
 439
 440                 if (vid_pullup == 0.0) {
 441                         supplemental_right->set_text (_text_cells[LowerRight2], _("none"));
 442                 } else {
 443                         sprintf (buf, "%-6.4f", vid_pullup);
 444                         supplemental_right->set_text (_text_cells[LowerRight2], buf);
 445                 }
 446         }
 447 }
 448
 449 void
 450 AudioClock::set_minsec (framepos_t when, bool force)
 451 {
 452         char buf[32];
 453         framecnt_t left;
 454         int hrs;
 455         int mins;
 456         int secs;
 457         int millisecs;
 458
 459         if (_off) {
 460                 display->set_text (_text_cells[MS_Hours], "--");
 461                 display->set_text (_text_cells[MS_Minutes], "--");
 462                 display->set_text (_text_cells[MS_Seconds], "--");
 463                 display->set_text (_text_cells[MS_Milliseconds], "--");
 464
 465                 if (supplemental_left) {
 466                         supplemental_left->set_text (_text_cells[LowerLeft2], "");
 467                         supplemental_right->set_text (_text_cells[LowerRight2], "");
 468                 }
 469
 470                 return;
 471         }
 472
 473         left = when;
 474         hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
 475         left -= (framecnt_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
 476         mins = (int) floor (left / (_session->frame_rate() * 60.0f));
 477         left -= (framecnt_t) floor (mins * _session->frame_rate() * 60.0f);
 478         secs = (int) floor (left / (float) _session->frame_rate());
 479         left -= (framecnt_t) floor (secs * _session->frame_rate());
 480         millisecs = floor (left * 1000.0 / (float) _session->frame_rate());
 481
 482         if (force || hrs != ms_last_hrs) {
 483                 sprintf (buf, "%02d", hrs);
 484                 display->set_text (_text_cells[MS_Hours], buf);
 485                 ms_last_hrs = hrs;
 486         }
 487
 488         if (force || mins != ms_last_mins) {
 489                 sprintf (buf, "%02d", mins);
 490                 display->set_text (_text_cells[MS_Minutes], buf);
 491                 ms_last_mins = mins;
 492         }
 493
 494         if (force || secs != ms_last_secs) {
 495                 sprintf (buf, "%02d", secs);
 496                 display->set_text (_text_cells[MS_Seconds], buf);
 497                 ms_last_secs = secs;
 498         }
 499
 500         if (force || millisecs != ms_last_millisecs) {
 501                 sprintf (buf, "%03d", millisecs);
 502                 display->set_text (_text_cells[MS_Milliseconds], buf);
 503                 ms_last_millisecs = millisecs;
 504         }
 505 }
 506
 507 void
 508 AudioClock::set_timecode (framepos_t when, bool force)
 509 {
 510         char buf[32];
 511         Timecode::Time TC;
 512
 513         if (_off) {
 514                 display->set_text (_text_cells[Timecode_Sign], "");
 515                 display->set_text (_text_cells[Timecode_Hours], "--");
 516                 display->set_text (_text_cells[Timecode_Minutes], "--");
 517                 display->set_text (_text_cells[Timecode_Seconds], "--");
 518                 display->set_text (_text_cells[Timecode_Frames], "--");
 519
 520                 if (supplemental_left) {
 521                         supplemental_left->set_text (_text_cells[LowerLeft2], "");
 522                         supplemental_right->set_text (_text_cells[LowerRight2], "");
 523                 }
 524
 525                 return;
 526         }
 527
 528         if (is_duration) {
 529                 _session->timecode_duration (when, TC);
 530         } else {
 531                 _session->timecode_time (when, TC);
 532         }
 533
 534         if (force || TC.hours != last_hrs || TC.negative != last_negative) {
 535                 if (TC.negative) {
 536                         display->set_text (_text_cells[Timecode_Sign], "-");
 537                         sprintf (buf, "%0*" PRIu32, field_length[Timecode_Hours], TC.hours);
 538                 } else {
 539                         display->set_text (_text_cells[Timecode_Sign], " ");
 540                         sprintf (buf, "%0*" PRIu32, field_length[Timecode_Hours], TC.hours);
 541                 }
 542                 display->set_text (_text_cells[Timecode_Hours], buf);
 543                 last_hrs = TC.hours;
 544                 last_negative = TC.negative;
 545         }
 546
 547         if (force || TC.minutes != last_mins) {
 548                 sprintf (buf, "%0*" PRIu32, field_length[Timecode_Minutes], TC.minutes);
 549                 display->set_text (_text_cells[Timecode_Minutes], buf);
 550                 last_mins = TC.minutes;
 551         }
 552
 553         if (force || TC.seconds != last_secs) {
 554                 sprintf (buf, "%0*" PRIu32, field_length[Timecode_Seconds], TC.seconds);
 555                 display->set_text (_text_cells[Timecode_Seconds], buf);
 556                 last_secs = TC.seconds;
 557         }
 558
 559         if (force || TC.frames != last_frames) {
 560                 sprintf (buf, "%0*" PRIu32, field_length[Timecode_Frames], TC.frames);
 561                 display->set_text (_text_cells[Timecode_Frames], buf);
 562                 last_frames = TC.frames;
 563         }
 564
 565         if (supplemental_right) {
 566                 double timecode_frames = _session->timecode_frames_per_second();
 567
 568                 if (fmod(timecode_frames, 1.0) == 0.0) {
 569                         sprintf (buf, "%u %s", int (timecode_frames), (_session->timecode_drop_frames() ? "D" : ""));
 570                 } else {
 571                         sprintf (buf, "%.2f %s", timecode_frames, (_session->timecode_drop_frames() ? "D" : ""));
 572                 }
 573
 574                 supplemental_right->set_text (_text_cells[LowerRight2], buf);
 575         }
 576 }
 577
 578 void
 579 AudioClock::set_bbt (framepos_t when, bool force)
 580 {
 581         char buf[16];
 582         Timecode::BBT_Time BBT;
 583
 584         if (_off) {
 585                 display->set_text (_text_cells[Bars], "--");
 586                 display->set_text (_text_cells[Beats], "--");
 587                 display->set_text (_text_cells[Ticks], "--");
 588
 589                 if (supplemental_left) {
 590                         supplemental_left->set_text (_text_cells[LowerLeft2], "");
 591                         supplemental_right->set_text (_text_cells[LowerRight2], "");
 592                 }
 593
 594                 return;
 595         }
 596
 597         /* handle a common case */
 598         if (is_duration) {
 599                 if (when == 0) {
 600                         BBT.bars = 0;
 601                         BBT.beats = 0;
 602                         BBT.ticks = 0;
 603                 } else {
 604                         _session->tempo_map().bbt_time (when, BBT);
 605                         BBT.bars--;
 606                         BBT.beats--;
 607                 }
 608         } else {
 609                 _session->tempo_map().bbt_time (when, BBT);
 610         }
 611
 612         sprintf (buf, "%0*" PRIu32, field_length[Bars], BBT.bars);
 613         if (force || _text_cells[Bars]->get_text () != buf) {
 614                 display->set_text (_text_cells[Bars], buf);
 615         }
 616         sprintf (buf, "%0*" PRIu32, field_length[Beats], BBT.beats);
 617         if (force || _text_cells[Beats]->get_text () != buf) {
 618                 display->set_text (_text_cells[Beats], buf);
 619         }
 620         sprintf (buf, "%0*" PRIu32, field_length[Ticks], BBT.ticks);
 621         if (force || _text_cells[Ticks]->get_text () != buf) {
 622                 display->set_text (_text_cells[Ticks], buf);
 623         }
 624
 625         if (supplemental_right) {
 626                 framepos_t pos;
 627
 628                 if (bbt_reference_time < 0) {
 629                         pos = when;
 630                 } else {
 631                         pos = bbt_reference_time;
 632                 }
 633
 634                 TempoMetric m (_session->tempo_map().metric_at (pos));
 635
 636                 sprintf (buf, "%-5.2f", m.tempo().beats_per_minute());
 637                 supplemental_left->set_text (_text_cells[LowerLeft2], buf);
 638
 639                 sprintf (buf, "%g|%g", m.meter().beats_per_bar(), m.meter().note_divisor());
 640                 supplemental_right->set_text (_text_cells[LowerRight2], buf);
 641         }
 642 }
 643
 644 void
 645 AudioClock::set_session (Session *s)
 646 {
 647         SessionHandlePtr::set_session (s);
 648
 649         if (_session) {
 650
 651                 _session->config.ParameterChanged.connect (_session_connections, invalidator (*this), boost::bind (&AudioClock::session_configuration_changed, this, _1), gui_context());
 652
 653                 const XMLProperty* prop;
 654                 XMLNode* node = _session->extra_xml (X_("ClockModes"));
 655                 AudioClock::Mode amode;
 656
 657                 if (node) {
 658                         for (XMLNodeList::const_iterator i = node->children().begin(); i != node->children().end(); ++i) {
 659                                 if ((prop = (*i)->property (X_("name"))) && prop->value() == _name) {
 660
 661                                         if ((prop = (*i)->property (X_("mode"))) != 0) {
 662                                                 amode = AudioClock::Mode (string_2_enum (prop->value(), amode));
 663                                                 set_mode (amode);
 664                                         }
 665                                         if ((prop = (*i)->property (X_("on"))) != 0) {
 666                                                 set_off (!string_is_affirmative (prop->value()));
 667                                         }
 668                                         break;
 669                                 }
 670                         }
 671                 }
 672
 673                 set (last_when, true);
 674         }
 675 }
 676
 677 void
 678 AudioClock::edit_next_field ()
 679 {
 680         /* move on to the next field.
 681          */
 682
 683         switch (editing_field) {
 684
 685                 /* Timecode */
 686
 687         case Timecode_Hours:
 688                 editing_field = Timecode_Minutes;
 689                 display->start_editing (_text_cells[Timecode_Minutes]);
 690                 break;
 691         case Timecode_Minutes:
 692                 editing_field = Timecode_Seconds;
 693                 display->start_editing (_text_cells[Timecode_Seconds]);
 694                 break;
 695         case Timecode_Seconds:
 696                 editing_field = Timecode_Frames;
 697                 display->start_editing (_text_cells[Timecode_Frames]);
 698                 break;
 699         case Timecode_Frames:
 700                 end_edit ();
 701                 break;
 702
 703                 /* Min:Sec */
 704
 705         case MS_Hours:
 706                 editing_field = MS_Minutes;
 707                 display->start_editing (_text_cells[MS_Minutes]);
 708                 break;
 709         case MS_Minutes:
 710                 editing_field = MS_Seconds;
 711                 display->start_editing (_text_cells[MS_Seconds]);
 712                 break;
 713         case MS_Seconds:
 714                 editing_field = MS_Milliseconds;
 715                 display->start_editing (_text_cells[MS_Milliseconds]);
 716                 break;
 717         case MS_Milliseconds:
 718                 end_edit ();
 719                 break;
 720
 721                 /* BBT */
 722
 723         case Bars:
 724                 editing_field = Beats;
 725                 display->start_editing (_text_cells[Beats]);
 726                 break;
 727         case Beats:
 728                 editing_field = Ticks;
 729                 display->start_editing (_text_cells[Ticks]);
 730                 break;
 731         case Ticks:
 732                 end_edit ();
 733                 break;
 734
 735                 /* audio frames */
 736         case AudioFrames:
 737                 end_edit ();
 738                 break;
 739
 740         default:
 741                 break;
 742         }
 743
 744         key_entry_state = 0;
 745 }
 746
 747 bool
 748 AudioClock::on_key_press_event (GdkEventKey* ev)
 749 {
 750         /* return true for keys that we MIGHT use
 751            at release
 752         */
 753         switch (ev->keyval) {
 754         case GDK_0:
 755         case GDK_KP_0:
 756         case GDK_1:
 757         case GDK_KP_1:
 758         case GDK_2:
 759         case GDK_KP_2:
 760         case GDK_3:
 761         case GDK_KP_3:
 762         case GDK_4:
 763         case GDK_KP_4:
 764         case GDK_5:
 765         case GDK_KP_5:
 766         case GDK_6:
 767         case GDK_KP_6:
 768         case GDK_7:
 769         case GDK_KP_7:
 770         case GDK_8:
 771         case GDK_KP_8:
 772         case GDK_9:
 773         case GDK_KP_9:
 774         case GDK_period:
 775         case GDK_comma:
 776         case GDK_KP_Decimal:
 777         case GDK_Tab:
 778         case GDK_Return:
 779         case GDK_KP_Enter:
 780         case GDK_Escape:
 781                 return true;
 782         default:
 783                 return false;
 784         }
 785 }
 786
 787 bool
 788 AudioClock::on_key_release_event (GdkEventKey *ev)
 789 {
 790         if (editing_field == 0) {
 791                 return false;
 792         }
 793
 794         CairoTextCell *cell = _text_cells[editing_field];
 795
 796         if (!cell) {
 797                 return false;
 798         }
 799
 800         string new_text;
 801         char new_char = 0;
 802         bool move_on = false;
 803
 804         switch (ev->keyval) {
 805         case GDK_0:
 806         case GDK_KP_0:
 807                 new_char = '0';
 808                 break;
 809         case GDK_1:
 810         case GDK_KP_1:
 811                 new_char = '1';
 812                 break;
 813         case GDK_2:
 814         case GDK_KP_2:
 815                 new_char = '2';
 816                 break;
 817         case GDK_3:
 818         case GDK_KP_3:
 819                 new_char = '3';
 820                 break;
 821         case GDK_4:
 822         case GDK_KP_4:
 823                 new_char = '4';
 824                 break;
 825         case GDK_5:
 826         case GDK_KP_5:
 827                 new_char = '5';
 828                 break;
 829         case GDK_6:
 830         case GDK_KP_6:
 831                 new_char = '6';
 832                 break;
 833         case GDK_7:
 834         case GDK_KP_7:
 835                 new_char = '7';
 836                 break;
 837         case GDK_8:
 838         case GDK_KP_8:
 839                 new_char = '8';
 840                 break;
 841         case GDK_9:
 842         case GDK_KP_9:
 843                 new_char = '9';
 844                 break;
 845
 846         case GDK_period:
 847         case GDK_comma:
 848         case GDK_KP_Decimal:
 849                 if (_mode == MinSec && editing_field == MS_Seconds) {
 850                         new_char = '.'; // XXX i18n
 851                 } else {
 852                         return false;
 853                 }
 854                 break;
 855
 856         case GDK_Tab:
 857         case GDK_Return:
 858         case GDK_KP_Enter:
 859                 move_on = true;
 860                 break;
 861
 862         case GDK_Escape:
 863                 end_edit ();
 864                 ChangeAborted();  /*  EMIT SIGNAL  */
 865                 return true;
 866
 867         default:
 868                 return false;
 869         }
 870
 871         if (!move_on) {
 872
 873                 if (key_entry_state == 0) {
 874
 875                         /* initialize with a fresh new string */
 876
 877                         if (editing_field != AudioFrames) {
 878                                 for (uint32_t xn = 0; xn < field_length[editing_field] - 1; ++xn) {
 879                                         new_text += '0';
 880                                 }
 881                         } else {
 882                                 new_text = "";
 883                         }
 884
 885                 } else {
 886
 887                         string existing = cell->get_text();
 888                         if (existing.length() >= field_length[editing_field]) {
 889                                 new_text = existing.substr (1, field_length[editing_field] - 1);
 890                         } else {
 891                                 new_text = existing.substr (0, field_length[editing_field] - 1);
 892                         }
 893                 }
 894
 895                 new_text += new_char;
 896                 display->set_text (cell, new_text);
 897                 _canonical_time_is_displayed = true;
 898                 key_entry_state++;
 899         }
 900
 901         if (key_entry_state == field_length[editing_field]) {
 902                 move_on = true;
 903         }
 904
 905         if (move_on) {
 906
 907                 if (key_entry_state) {
 908
 909                         /* if key_entry_state != then we edited the text
 910                          */
 911
 912                         char buf[16];
 913
 914                         switch (editing_field) {
 915                         case Timecode_Hours:
 916                         case Timecode_Minutes:
 917                         case Timecode_Seconds:
 918                         case Timecode_Frames:
 919                                 // Check Timecode fields for sanity (may also adjust fields)
 920                                 timecode_sanitize_display();
 921                                 break;
 922                         case Bars:
 923                         case Beats:
 924                         case Ticks:
 925                                 // Bars should never be zero, unless this clock is for a duration
 926                                 if (atoi (_text_cells[Bars]->get_text()) == 0 && !is_duration) {
 927                                         snprintf (buf, sizeof (buf), "%0*" PRIu32, field_length[Bars], 1);
 928                                         display->set_text (_text_cells[Bars], buf);
 929                                         _canonical_time_is_displayed = true;
 930                                 }
 931                                 //  beats should never be zero, unless this clock is for a duration
 932                                 if (atoi (_text_cells[Beats]->get_text()) == 0 && !is_duration) {
 933                                         snprintf (buf, sizeof (buf), "%0*" PRIu32, field_length[Beats], 1);
 934                                         display->set_text (_text_cells[Beats], buf);
 935                                         _canonical_time_is_displayed = true;
 936                                 }
 937                                 break;
 938                         default:
 939                                 break;
 940                         }
 941
 942                         ValueChanged(); /* EMIT_SIGNAL */
 943                 }
 944
 945                 edit_next_field ();
 946         }
 947
 948         //if user hit Enter, lose focus
 949         switch (ev->keyval) {
 950         case GDK_Return:
 951         case GDK_KP_Enter:
 952                 end_edit ();
 953         }
 954
 955         return true;
 956 }
 957
 958 bool
 959 AudioClock::button_press (GdkEventButton *ev, CairoCell* cell)
 960 {
 961         switch (ev->button) {
 962         case 1:
 963                 if (editable) {
 964                         if (cell) {
 965                                 Field f = (Field) cell->id ();
 966                                 switch (f) {
 967                                 case Timecode_Hours:
 968                                 case Timecode_Minutes:
 969                                 case Timecode_Seconds:
 970                                 case Timecode_Frames:
 971                                 case MS_Hours:
 972                                 case MS_Minutes:
 973                                 case MS_Seconds:
 974                                 case MS_Milliseconds:
 975                                 case Bars:
 976                                 case Beats:
 977                                 case Ticks:
 978                                 case AudioFrames:
 979                                         editing_field = f;
 980                                         display->start_editing (cell);
 981                                         break;
 982                                 default:
 983                                         return false;
 984                                 }
 985                         }
 986
 987                         Keyboard::magic_widget_grab_focus ();
 988
 989                         /* make absolutely sure that the pointer is grabbed */
 990                         gdk_pointer_grab(ev->window,false ,
 991                                          GdkEventMask( Gdk::POINTER_MOTION_MASK | Gdk::BUTTON_PRESS_MASK |Gdk::BUTTON_RELEASE_MASK),
 992                                          NULL,NULL,ev->time);
 993                         dragging = true;
 994                         drag_accum = 0;
 995                         drag_start_y = ev->y;
 996                         drag_y = ev->y;
 997                 }
 998                 break;
 999
1000         default:
1001                 return false;
1002                 break;
1003         }
1004
1005         return true;
1006 }
1007
1008 bool
1009 AudioClock::button_release (GdkEventButton *ev, CairoCell*)
1010 {
1011         if (editable) {
1012                 if (dragging) {
1013                         gdk_pointer_ungrab (GDK_CURRENT_TIME);
1014                         dragging = false;
1015                         if (ev->y > drag_start_y+1 || ev->y < drag_start_y-1 || Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)){
1016                                 // we actually dragged so return without setting editing focus, or we shift clicked
1017                                 return true;
1018                         }
1019                 }
1020         }
1021
1022         if (Keyboard::is_context_menu_event (ev)) {
1023                 if (ops_menu == 0) {
1024                         build_ops_menu ();
1025                 }
1026                 ops_menu->popup (1, ev->time);
1027                 return true;
1028         }
1029
1030         return false;
1031 }
1032
1033 bool
1034 AudioClock::scroll (GdkEventScroll *ev, CairoCell* cell)
1035 {
1036         if (_session == 0 || !editable) {
1037                 return false;
1038         }
1039
1040         if (cell) {
1041                 Field f = (Field) cell->id ();
1042                 switch (f) {
1043                 case Timecode_Hours:
1044                 case Timecode_Minutes:
1045                 case Timecode_Seconds:
1046                 case Timecode_Frames:
1047                 case MS_Hours:
1048                 case MS_Minutes:
1049                 case MS_Seconds:
1050                 case MS_Milliseconds:
1051                 case Bars:
1052                 case Beats:
1053                 case Ticks:
1054                 case AudioFrames:
1055                         break;
1056                 default:
1057                         return false;
1058                 }
1059         }
1060
1061         framepos_t frames = 0;
1062
1063         switch (ev->direction) {
1064
1065         case GDK_SCROLL_UP:
1066                 frames = get_frames ((Field) cell->id());
1067                 if (frames != 0) {
1068                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
1069                                 frames *= 10;
1070                         }
1071                         set (current_time() + frames, true);
1072                         ValueChanged (); /* EMIT_SIGNAL */
1073                 }
1074                 break;
1075
1076         case GDK_SCROLL_DOWN:
1077                 frames = get_frames ((Field) cell->id());
1078                 if (frames != 0) {
1079                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
1080                                 frames *= 10;
1081                         }
1082
1083                         if ((double)current_time() - (double)frames < 0.0) {
1084                                 set (0, true);
1085                         } else {
1086                                 set (current_time() - frames, true);
1087                         }
1088
1089                         ValueChanged (); /* EMIT_SIGNAL */
1090                 }
1091                 break;
1092
1093         default:
1094                 return false;
1095                 break;
1096         }
1097
1098         return true;
1099 }
1100
1101 bool
1102 AudioClock::field_motion_notify_event (GdkEventMotion *ev, Field field)
1103 {
1104         if (_session == 0 || !dragging) {
1105                 return false;
1106         }
1107
1108         float pixel_frame_scale_factor = 0.2f;
1109
1110 /*
1111         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier))  {
1112                 pixel_frame_scale_factor = 0.1f;
1113         }
1114
1115
1116         if (Keyboard::modifier_state_contains (ev->state,
1117                                                Keyboard::PrimaryModifier|Keyboard::SecondaryModifier)) {
1118
1119                 pixel_frame_scale_factor = 0.025f;
1120         }
1121 */
1122         double y_delta = ev->y - drag_y;
1123
1124         drag_accum +=  y_delta*pixel_frame_scale_factor;
1125
1126         drag_y = ev->y;
1127
1128         if (trunc(drag_accum) != 0) {
1129
1130                 framepos_t frames;
1131                 framepos_t pos;
1132                 int dir;
1133                 dir = (drag_accum < 0 ? 1:-1);
1134                 pos = current_time();
1135                 frames = get_frames (field,pos,dir);
1136
1137                 if (frames  != 0 &&  frames * drag_accum < current_time()) {
1138
1139                         set ((framepos_t) floor (pos - drag_accum * frames), false); // minus because up is negative in computer-land
1140
1141                 } else {
1142                         set (0 , false);
1143
1144                 }
1145
1146                 drag_accum= 0;
1147                 ValueChanged();  /* EMIT_SIGNAL */
1148
1149
1150         }
1151
1152         return true;
1153 }
1154
1155 framepos_t
1156 AudioClock::get_frames (Field field, framepos_t pos, int dir)
1157 {
1158         framecnt_t f = 0;
1159         Timecode::BBT_Time BBT;
1160         switch (field) {
1161         case Timecode_Hours:
1162                 f = (framecnt_t) floor (3600.0 * _session->frame_rate());
1163                 break;
1164         case Timecode_Minutes:
1165                 f = (framecnt_t) floor (60.0 * _session->frame_rate());
1166                 break;
1167         case Timecode_Seconds:
1168                 f = _session->frame_rate();
1169                 break;
1170         case Timecode_Frames:
1171                 f = (framecnt_t) floor (_session->frame_rate() / _session->timecode_frames_per_second());
1172                 break;
1173
1174         case AudioFrames:
1175                 f = 1;
1176                 break;
1177
1178         case MS_Hours:
1179                 f = (framecnt_t) floor (3600.0 * _session->frame_rate());
1180                 break;
1181         case MS_Minutes:
1182                 f = (framecnt_t) floor (60.0 * _session->frame_rate());
1183                 break;
1184         case MS_Seconds:
1185                 f = (framecnt_t) _session->frame_rate();
1186                 break;
1187         case MS_Milliseconds:
1188                 f = (framecnt_t) floor (_session->frame_rate() / 1000.0);
1189                 break;
1190
1191         case Bars:
1192                 BBT.bars = 1;
1193                 BBT.beats = 0;
1194                 BBT.ticks = 0;
1195                 f = _session->tempo_map().bbt_duration_at (pos,BBT,dir);
1196                 break;
1197         case Beats:
1198                 BBT.bars = 0;
1199                 BBT.beats = 1;
1200                 BBT.ticks = 0;
1201                 f = _session->tempo_map().bbt_duration_at(pos,BBT,dir);
1202                 break;
1203         case Ticks:
1204                 BBT.bars = 0;
1205                 BBT.beats = 0;
1206                 BBT.ticks = 1;
1207                 f = _session->tempo_map().bbt_duration_at(pos,BBT,dir);
1208                 break;
1209         default:
1210                 error << string_compose (_("programming error: %1"), "attempt to get frames from non-text field!") << endmsg;
1211                 f = 0;
1212                 break;
1213         }
1214
1215         return f;
1216 }
1217
1218 framepos_t
1219 AudioClock::current_time (framepos_t pos) const
1220 {
1221         if (!_canonical_time_is_displayed) {
1222                 return _canonical_time;
1223         }
1224
1225         framepos_t ret = 0;
1226
1227         switch (_mode) {
1228         case Timecode:
1229                 ret = timecode_frame_from_display ();
1230                 break;
1231         case BBT:
1232                 ret = bbt_frame_from_display (pos);
1233                 break;
1234
1235         case MinSec:
1236                 ret = minsec_frame_from_display ();
1237                 break;
1238
1239         case Frames:
1240                 ret = audio_frame_from_display ();
1241                 break;
1242         }
1243
1244         return ret;
1245 }
1246
1247 framepos_t
1248 AudioClock::current_duration (framepos_t pos) const
1249 {
1250         framepos_t ret = 0;
1251
1252         switch (_mode) {
1253         case Timecode:
1254                 ret = timecode_frame_from_display ();
1255                 break;
1256         case BBT:
1257                 ret = bbt_frame_duration_from_display (pos);
1258                 break;
1259
1260         case MinSec:
1261                 ret = minsec_frame_from_display ();
1262                 break;
1263
1264         case Frames:
1265                 ret = audio_frame_from_display ();
1266                 break;
1267         }
1268
1269         return ret;
1270 }
1271
1272 void
1273 AudioClock::timecode_sanitize_display()
1274 {
1275         // Check Timecode fields for sanity, possibly adjusting values
1276         if (atoi (_text_cells[Timecode_Minutes]->get_text()) > 59) {
1277                 display->set_text (_text_cells[Timecode_Minutes], "59");
1278                 _canonical_time_is_displayed = true;
1279         }
1280
1281         if (atoi (_text_cells[Timecode_Seconds]->get_text()) > 59) {
1282                 display->set_text (_text_cells[Timecode_Seconds], "59");
1283                 _canonical_time_is_displayed = true;
1284         }
1285
1286         switch ((long)rint(_session->timecode_frames_per_second())) {
1287         case 24:
1288                 if (atoi (_text_cells[Timecode_Frames]->get_text()) > 23) {
1289                         display->set_text (_text_cells[Timecode_Frames], "23");
1290                         _canonical_time_is_displayed = true;
1291                 }
1292                 break;
1293         case 25:
1294                 if (atoi (_text_cells[Timecode_Frames]->get_text()) > 24) {
1295                         display->set_text (_text_cells[Timecode_Frames], "24");
1296                         _canonical_time_is_displayed = true;
1297                 }
1298                 break;
1299         case 30:
1300                 if (atoi (_text_cells[Timecode_Frames]->get_text()) > 29) {
1301                         display->set_text (_text_cells[Timecode_Frames], "29");
1302                         _canonical_time_is_displayed = true;
1303                 }
1304                 break;
1305         default:
1306                 break;
1307         }
1308
1309         if (_session->timecode_drop_frames()) {
1310                 if ((atoi (_text_cells[Timecode_Minutes]->get_text()) % 10) && (atoi (_text_cells[Timecode_Seconds]->get_text()) == 0) && (atoi (_text_cells[Timecode_Frames]->get_text()) < 2)) {
1311                         display->set_text (_text_cells[Timecode_Frames], "02");
1312                         _canonical_time_is_displayed = true;
1313                 }
1314         }
1315 }
1316
1317 /** This is necessary because operator[] isn't const with std::map.
1318  *  @param f Field.
1319  *  @return Label widget.
1320  */
1321 CairoTextCell*
1322 AudioClock::label (Field f) const
1323 {
1324         std::map<Field,CairoTextCell*>::const_iterator i = _text_cells.find (f);
1325         assert (i != _text_cells.end ());
1326
1327         return i->second;
1328 }
1329
1330 framepos_t
1331 AudioClock::timecode_frame_from_display () const
1332 {
1333         if (_session == 0) {
1334                 return 0;
1335         }
1336
1337         Timecode::Time TC;
1338         framepos_t sample;
1339
1340         if (!label (Timecode_Sign)->get_text().empty()) {
1341                 TC.hours = atoi (label (Timecode_Hours)->get_text());
1342         } else {
1343                 TC.hours = -atoi (label (Timecode_Hours)->get_text());
1344         }
1345
1346         TC.minutes = atoi (label (Timecode_Minutes)->get_text());
1347         TC.seconds = atoi (label (Timecode_Seconds)->get_text());
1348         TC.frames = atoi (label (Timecode_Frames)->get_text());
1349         TC.rate = _session->timecode_frames_per_second();
1350         TC.drop= _session->timecode_drop_frames();
1351
1352         _session->timecode_to_sample (TC, sample, false /* use_offset */, false /* use_subframes */ );
1353
1354
1355 #if 0
1356 #define Timecode_SAMPLE_TEST_1
1357 #define Timecode_SAMPLE_TEST_2
1358 #define Timecode_SAMPLE_TEST_3
1359 #define Timecode_SAMPLE_TEST_4
1360 #define Timecode_SAMPLE_TEST_5
1361 #define Timecode_SAMPLE_TEST_6
1362 #define Timecode_SAMPLE_TEST_7
1363
1364         // Testcode for timecode<->sample conversions (P.S.)
1365         Timecode::Time timecode1;
1366         framepos_t sample1;
1367         framepos_t oldsample = 0;
1368         Timecode::Time timecode2;
1369         framecnt_t sample_increment;
1370
1371         sample_increment = (framecnt_t)rint(_session->frame_rate() / _session->timecode_frames_per_second);
1372
1373 #ifdef Timecode_SAMPLE_TEST_1
1374         // Test 1: use_offset = false, use_subframes = false
1375         cout << "use_offset = false, use_subframes = false" << endl;
1376         for (int i = 0; i < 108003; i++) {
1377                 _session->timecode_to_sample( timecode1, sample1, false /* use_offset */, false /* use_subframes */ );
1378                 _session->sample_to_timecode( sample1, timecode2, false /* use_offset */, false /* use_subframes */ );
1379
1380                 if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1)))) {
1381                         cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1382                         cout << "timecode1: " << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1383                         cout << "sample: " << sample1 << endl;
1384                         cout << "sample: " << sample1 << " -> ";
1385                         cout << "timecode2: " << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1386                         break;
1387                 }
1388
1389                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1390                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1391                         cout << "timecode1: " << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1392                         cout << "sample: " << sample1 << endl;
1393                         cout << "sample: " << sample1 << " -> ";
1394                         cout << "timecode2: " << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1395                         break;
1396                 }
1397                 oldsample = sample1;
1398                 _session->timecode_increment( timecode1 );
1399         }
1400
1401         cout << "sample_increment: " << sample_increment << endl;
1402         cout << "sample: " << sample1 << " -> ";
1403         cout << "timecode: " << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1404 #endif
1405
1406 #ifdef Timecode_SAMPLE_TEST_2
1407         // Test 2: use_offset = true, use_subframes = false
1408         cout << "use_offset = true, use_subframes = false" << endl;
1409
1410         timecode1.hours = 0;
1411         timecode1.minutes = 0;
1412         timecode1.seconds = 0;
1413         timecode1.frames = 0;
1414         timecode1.subframes = 0;
1415         sample1 = oldsample = 0;
1416
1417         _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, false /* use_subframes */ );
1418         cout << "Starting at sample: " << sample1 << " -> ";
1419         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1420
1421         for (int i = 0; i < 108003; i++) {
1422                 _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, false /* use_subframes */ );
1423                 _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, false /* use_subframes */ );
1424
1425 //     cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1426 //     cout << "sample: " << sample1 << endl;
1427 //     cout << "sample: " << sample1 << " -> ";
1428 //     cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1429
1430                 if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1)))) {
1431                         cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1432                         cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1433                         cout << "sample: " << sample1 << endl;
1434                         cout << "sample: " << sample1 << " -> ";
1435                         cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1436                         break;
1437                 }
1438
1439                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1440                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1441                         cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1442                         cout << "sample: " << sample1 << endl;
1443                         cout << "sample: " << sample1 << " -> ";
1444                         cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1445                         break;
1446                 }
1447                 oldsample = sample1;
1448                 _session->timecode_increment( timecode1 );
1449         }
1450
1451         cout << "sample_increment: " << sample_increment << endl;
1452         cout << "sample: " << sample1 << " -> ";
1453         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1454 #endif
1455
1456 #ifdef Timecode_SAMPLE_TEST_3
1457         // Test 3: use_offset = true, use_subframes = false, decrement
1458         cout << "use_offset = true, use_subframes = false, decrement" << endl;
1459
1460         _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, false /* use_subframes */ );
1461         cout << "Starting at sample: " << sample1 << " -> ";
1462         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1463
1464         for (int i = 0; i < 108003; i++) {
1465                 _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, false /* use_subframes */ );
1466                 _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, false /* use_subframes */ );
1467
1468 //     cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1469 //     cout << "sample: " << sample1 << endl;
1470 //     cout << "sample: " << sample1 << " -> ";
1471 //     cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1472
1473                 if ((i > 0) && ( ((oldsample - sample1) != sample_increment) && ((oldsample - sample1) != (sample_increment + 1)) && ((oldsample - sample1) != (sample_increment - 1)))) {
1474                         cout << "ERROR: sample increment not right: " << (oldsample - sample1) << " != " << sample_increment << endl;
1475                         cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1476                         cout << "sample: " << sample1 << endl;
1477                         cout << "sample: " << sample1 << " -> ";
1478                         cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1479                         break;
1480                 }
1481
1482                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1483                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1484                         cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1485                         cout << "sample: " << sample1 << endl;
1486                         cout << "sample: " << sample1 << " -> ";
1487                         cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1488                         break;
1489                 }
1490                 oldsample = sample1;
1491                 _session->timecode_decrement( timecode1 );
1492         }
1493
1494         cout << "sample_decrement: " << sample_increment << endl;
1495         cout << "sample: " << sample1 << " -> ";
1496         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1497 #endif
1498
1499
1500 #ifdef Timecode_SAMPLE_TEST_4
1501         // Test 4: use_offset = true, use_subframes = true
1502         cout << "use_offset = true, use_subframes = true" << endl;
1503
1504         for (long sub = 5; sub < 80; sub += 5) {
1505                 timecode1.hours = 0;
1506                 timecode1.minutes = 0;
1507                 timecode1.seconds = 0;
1508                 timecode1.frames = 0;
1509                 timecode1.subframes = 0;
1510                 sample1 = oldsample = (sample_increment * sub) / 80;
1511
1512                 _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, true /* use_subframes */ );
1513
1514                 cout << "starting at sample: " << sample1 << " -> ";
1515                 cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1516
1517                 for (int i = 0; i < 108003; i++) {
1518                         _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, true /* use_subframes */ );
1519                         _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, true /* use_subframes */ );
1520
1521                         if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1)))) {
1522                                 cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1523                                 cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1524                                 cout << "sample: " << sample1 << endl;
1525                                 cout << "sample: " << sample1 << " -> ";
1526                                 cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1527                                 //break;
1528                         }
1529
1530                         if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames || timecode2.subframes != timecode1.subframes) {
1531                                 cout << "ERROR: timecode2 not equal timecode1" << endl;
1532                                 cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1533                                 cout << "sample: " << sample1 << endl;
1534                                 cout << "sample: " << sample1 << " -> ";
1535                                 cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1536                                 break;
1537                         }
1538                         oldsample = sample1;
1539                         _session->timecode_increment( timecode1 );
1540                 }
1541
1542                 cout << "sample_increment: " << sample_increment << endl;
1543                 cout << "sample: " << sample1 << " -> ";
1544                 cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1545
1546                 for (int i = 0; i < 108003; i++) {
1547                         _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, true /* use_subframes */ );
1548                         _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, true /* use_subframes */ );
1549
1550                         if ((i > 0) && ( ((oldsample - sample1) != sample_increment) && ((oldsample - sample1) != (sample_increment + 1)) && ((oldsample - sample1) != (sample_increment - 1)))) {
1551                                 cout << "ERROR: sample increment not right: " << (oldsample - sample1) << " != " << sample_increment << endl;
1552                                 cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1553                                 cout << "sample: " << sample1 << endl;
1554                                 cout << "sample: " << sample1 << " -> ";
1555                                 cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1556                                 //break;
1557                         }
1558
1559                         if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames || timecode2.subframes != timecode1.subframes) {
1560                                 cout << "ERROR: timecode2 not equal timecode1" << endl;
1561                                 cout << "timecode1: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1562                                 cout << "sample: " << sample1 << endl;
1563                                 cout << "sample: " << sample1 << " -> ";
1564                                 cout << "timecode2: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1565                                 break;
1566                         }
1567                         oldsample = sample1;
1568                         _session->timecode_decrement( timecode1 );
1569                 }
1570
1571                 cout << "sample_decrement: " << sample_increment << endl;
1572                 cout << "sample: " << sample1 << " -> ";
1573                 cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1574         }
1575 #endif
1576
1577
1578 #ifdef Timecode_SAMPLE_TEST_5
1579         // Test 5: use_offset = true, use_subframes = false, increment seconds
1580         cout << "use_offset = true, use_subframes = false, increment seconds" << endl;
1581
1582         timecode1.hours = 0;
1583         timecode1.minutes = 0;
1584         timecode1.seconds = 0;
1585         timecode1.frames = 0;
1586         timecode1.subframes = 0;
1587         sample1 = oldsample = 0;
1588         sample_increment = _session->frame_rate();
1589
1590         _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, false /* use_subframes */ );
1591         cout << "Starting at sample: " << sample1 << " -> ";
1592         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1593
1594         for (int i = 0; i < 3600; i++) {
1595                 _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, false /* use_subframes */ );
1596                 _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, false /* use_subframes */ );
1597
1598 //     cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1599 //     cout << "sample: " << sample1 << endl;
1600 //     cout << "sample: " << sample1 << " -> ";
1601 //     cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1602
1603 //     if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1))))
1604 //     {
1605 //       cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1606 //       break;
1607 //     }
1608
1609                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1610                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1611                         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1612                         cout << "sample: " << sample1 << endl;
1613                         cout << "sample: " << sample1 << " -> ";
1614                         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1615                         break;
1616                 }
1617                 oldsample = sample1;
1618                 _session->timecode_increment_seconds( timecode1 );
1619         }
1620
1621         cout << "sample_increment: " << sample_increment << endl;
1622         cout << "sample: " << sample1 << " -> ";
1623         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1624 #endif
1625
1626
1627 #ifdef Timecode_SAMPLE_TEST_6
1628         // Test 6: use_offset = true, use_subframes = false, increment minutes
1629         cout << "use_offset = true, use_subframes = false, increment minutes" << endl;
1630
1631         timecode1.hours = 0;
1632         timecode1.minutes = 0;
1633         timecode1.seconds = 0;
1634         timecode1.frames = 0;
1635         timecode1.subframes = 0;
1636         sample1 = oldsample = 0;
1637         sample_increment = _session->frame_rate() * 60;
1638
1639         _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, false /* use_subframes */ );
1640         cout << "Starting at sample: " << sample1 << " -> ";
1641         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1642
1643         for (int i = 0; i < 60; i++) {
1644                 _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, false /* use_subframes */ );
1645                 _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, false /* use_subframes */ );
1646
1647 //     cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1648 //     cout << "sample: " << sample1 << endl;
1649 //     cout << "sample: " << sample1 << " -> ";
1650 //     cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1651
1652 //     if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1))))
1653 //     {
1654 //       cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1655 //       break;
1656 //     }
1657
1658                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1659                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1660                         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1661                         cout << "sample: " << sample1 << endl;
1662                         cout << "sample: " << sample1 << " -> ";
1663                         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1664                         break;
1665                 }
1666                 oldsample = sample1;
1667                 _session->timecode_increment_minutes( timecode1 );
1668         }
1669
1670         cout << "sample_increment: " << sample_increment << endl;
1671         cout << "sample: " << sample1 << " -> ";
1672         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1673 #endif
1674
1675 #ifdef Timecode_SAMPLE_TEST_7
1676         // Test 7: use_offset = true, use_subframes = false, increment hours
1677         cout << "use_offset = true, use_subframes = false, increment hours" << endl;
1678
1679         timecode1.hours = 0;
1680         timecode1.minutes = 0;
1681         timecode1.seconds = 0;
1682         timecode1.frames = 0;
1683         timecode1.subframes = 0;
1684         sample1 = oldsample = 0;
1685         sample_increment = _session->frame_rate() * 60 * 60;
1686
1687         _session->sample_to_timecode( sample1, timecode1, true /* use_offset */, false /* use_subframes */ );
1688         cout << "Starting at sample: " << sample1 << " -> ";
1689         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << endl;
1690
1691         for (int i = 0; i < 10; i++) {
1692                 _session->timecode_to_sample( timecode1, sample1, true /* use_offset */, false /* use_subframes */ );
1693                 _session->sample_to_timecode( sample1, timecode2, true /* use_offset */, false /* use_subframes */ );
1694
1695 //     cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1696 //     cout << "sample: " << sample1 << endl;
1697 //     cout << "sample: " << sample1 << " -> ";
1698 //     cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1699
1700 //     if ((i > 0) && ( ((sample1 - oldsample) != sample_increment) && ((sample1 - oldsample) != (sample_increment + 1)) && ((sample1 - oldsample) != (sample_increment - 1))))
1701 //     {
1702 //       cout << "ERROR: sample increment not right: " << (sample1 - oldsample) << " != " << sample_increment << endl;
1703 //       break;
1704 //     }
1705
1706                 if (timecode2.hours != timecode1.hours || timecode2.minutes != timecode1.minutes || timecode2.seconds != timecode2.seconds || timecode2.frames != timecode1.frames) {
1707                         cout << "ERROR: timecode2 not equal timecode1" << endl;
1708                         cout << "timecode: " << (timecode1.negative ? "-" : "") << timecode1.hours << ":" << timecode1.minutes << ":" << timecode1.seconds << ":" << timecode1.frames << "::" << timecode1.subframes << " -> ";
1709                         cout << "sample: " << sample1 << endl;
1710                         cout << "sample: " << sample1 << " -> ";
1711                         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1712                         break;
1713                 }
1714                 oldsample = sample1;
1715                 _session->timecode_increment_hours( timecode1 );
1716         }
1717
1718         cout << "sample_increment: " << sample_increment << endl;
1719         cout << "sample: " << sample1 << " -> ";
1720         cout << "timecode: " << (timecode2.negative ? "-" : "") << timecode2.hours << ":" << timecode2.minutes << ":" << timecode2.seconds << ":" << timecode2.frames << "::" << timecode2.subframes << endl;
1721 #endif
1722
1723 #endif
1724
1725         return sample;
1726 }
1727
1728 framepos_t
1729 AudioClock::minsec_frame_from_display () const
1730 {
1731         if (_session == 0) {
1732                 return 0;
1733         }
1734
1735         int hrs = atoi (label (MS_Hours)->get_text());
1736         int mins = atoi (label (MS_Minutes)->get_text());
1737         int secs = atoi (label (MS_Seconds)->get_text());
1738         int millisecs = atoi (label (MS_Milliseconds)->get_text());
1739
1740         framecnt_t sr = _session->frame_rate();
1741
1742         return (framepos_t) floor ((hrs * 60.0f * 60.0f * sr) + (mins * 60.0f * sr) + (secs * sr) + (millisecs * sr / 1000.0));
1743 }
1744
1745 framepos_t
1746 AudioClock::bbt_frame_from_display (framepos_t pos) const
1747 {
1748         if (_session == 0) {
1749                 error << "AudioClock::current_time() called with BBT mode but without session!" << endmsg;
1750                 return 0;
1751         }
1752
1753         AnyTime any;
1754         any.type = AnyTime::BBT;
1755
1756         any.bbt.bars = atoi (label (Bars)->get_text());
1757         any.bbt.beats = atoi (label (Beats)->get_text());
1758         any.bbt.ticks = atoi (label (Ticks)->get_text());
1759
1760         if (is_duration) {
1761                 any.bbt.bars++;
1762                 any.bbt.beats++;
1763                 return _session->any_duration_to_frames (pos, any);
1764         } else {
1765                 return _session->convert_to_frames (any);
1766         }
1767 }
1768
1769
1770 framepos_t
1771 AudioClock::bbt_frame_duration_from_display (framepos_t pos) const
1772 {
1773         if (_session == 0) {
1774                 error << "AudioClock::current_time() called with BBT mode but without session!" << endmsg;
1775                 return 0;
1776         }
1777
1778         Timecode::BBT_Time bbt;
1779
1780
1781         bbt.bars = atoi (label (Bars)->get_text());
1782         bbt.beats = atoi (label (Beats)->get_text());
1783         bbt.ticks = atoi (label (Ticks)->get_text());
1784
1785         return _session->tempo_map().bbt_duration_at(pos,bbt,1);
1786 }
1787
1788 framepos_t
1789 AudioClock::audio_frame_from_display () const
1790 {
1791         return (framepos_t) atoi (label (AudioFrames)->get_text ());
1792 }
1793
1794 void
1795 AudioClock::build_ops_menu ()
1796 {
1797         using namespace Menu_Helpers;
1798         ops_menu = new Menu;
1799         MenuList& ops_items = ops_menu->items();
1800         ops_menu->set_name ("ArdourContextMenu");
1801
1802         if (!Profile->get_sae()) {
1803                 ops_items.push_back (MenuElem (_("Timecode"), sigc::bind (sigc::mem_fun(*this, &AudioClock::set_mode), Timecode)));
1804         }
1805         ops_items.push_back (MenuElem (_("Bars:Beats"), sigc::bind (sigc::mem_fun(*this, &AudioClock::set_mode), BBT)));
1806         ops_items.push_back (MenuElem (_("Minutes:Seconds"), sigc::bind (sigc::mem_fun(*this, &AudioClock::set_mode), MinSec)));
1807         ops_items.push_back (MenuElem (_("Samples"), sigc::bind (sigc::mem_fun(*this, &AudioClock::set_mode), Frames)));
1808
1809         if (editable && !is_duration && !_follows_playhead) {
1810                 ops_items.push_back (SeparatorElem());
1811                 ops_items.push_back (MenuElem (_("Set From Playhead"), sigc::mem_fun(*this, &AudioClock::set_from_playhead)));
1812                 ops_items.push_back (MenuElem (_("Locate to This Time"), sigc::mem_fun(*this, &AudioClock::locate)));
1813         }
1814 }
1815
1816 void
1817 AudioClock::set_from_playhead ()
1818 {
1819         if (!_session) {
1820                 return;
1821         }
1822
1823         set (_session->transport_frame());
1824         ValueChanged ();
1825 }
1826
1827 void
1828 AudioClock::locate ()
1829 {
1830         if (!_session || is_duration) {
1831                 return;
1832         }
1833
1834         _session->request_locate (current_time(), _session->transport_rolling ());
1835 }
1836
1837 void
1838 AudioClock::connect_signals ()
1839 {
1840         scroll_connection = display->scroll.connect (sigc::mem_fun (*this, &AudioClock::scroll));
1841         button_press_connection = display->button_press.connect (sigc::mem_fun (*this, &AudioClock::button_press));
1842         button_release_connection = display->button_release.connect (sigc::mem_fun (*this, &AudioClock::button_release));
1843 }
1844
1845 void
1846 AudioClock::set_mode (Mode m)
1847 {
1848         if (_mode == m) {
1849                 return;
1850         }
1851
1852         _mode = m;
1853
1854         display->clear_cells ();
1855
1856         if (supplemental_left) {
1857                 supplemental_left->clear_cells ();
1858                 supplemental_right->clear_cells ();
1859         }
1860
1861         switch (_mode) {
1862         case Timecode:
1863                 display->add_cell (_text_cells[Timecode_Sign]);
1864                 display->add_cell (_text_cells[Timecode_Hours]);
1865                 display->add_cell (_fixed_cells[Colon1]);
1866                 display->add_cell (_text_cells[Timecode_Minutes]);
1867                 display->add_cell (_fixed_cells[Colon2]);
1868                 display->add_cell (_text_cells[Timecode_Seconds]);
1869                 display->add_cell (_fixed_cells[Colon3]);
1870                 display->add_cell (_text_cells[Timecode_Frames]);
1871
1872                 if (supplemental_left) {
1873                         supplemental_left->add_cell (_text_cells[LowerLeft1]);
1874                         supplemental_left->add_cell (_text_cells[LowerLeft2]);
1875                         supplemental_right->add_cell (_text_cells[LowerRight1]);
1876                         supplemental_right->add_cell (_text_cells[LowerRight2]);
1877
1878                         supplemental_left->set_width_chars (_text_cells[LowerLeft1], 4);
1879                         supplemental_left->set_width_chars (_text_cells[LowerLeft2], 8);
1880
1881                         supplemental_right->set_width_chars (_text_cells[LowerRight1], 4);
1882                         supplemental_right->set_width_chars (_text_cells[LowerRight2], 6.25);
1883
1884                         supplemental_left->set_text (_text_cells[LowerLeft1], _("EXT"));
1885                         supplemental_right->set_text (_text_cells[LowerRight1], _("FPS"));
1886                 }
1887                 break;
1888
1889         case BBT:
1890                 display->add_cell (_text_cells[Bars]);
1891                 display->add_cell (_fixed_cells[Bar1]);
1892                 display->add_cell (_text_cells[Beats]);
1893                 display->add_cell (_fixed_cells[Bar2]);
1894                 display->add_cell (_text_cells[Ticks]);
1895                 if (supplemental_left) {
1896                         supplemental_left->add_cell (_text_cells[LowerLeft1]);
1897                         supplemental_left->add_cell (_text_cells[LowerLeft2]);
1898                         supplemental_right->add_cell (_text_cells[LowerRight1]);
1899                         supplemental_right->add_cell (_text_cells[LowerRight2]);
1900
1901                         supplemental_left->set_width_chars (_text_cells[LowerLeft1], 1);
1902                         supplemental_left->set_width_chars (_text_cells[LowerLeft2], 5.25);
1903
1904                         supplemental_right->set_width_chars (_text_cells[LowerRight1], 2); // why not 1? M is too wide
1905                         supplemental_right->set_width_chars (_text_cells[LowerRight2], 5);
1906
1907                         supplemental_left->set_text (_text_cells[LowerLeft1], _("T"));
1908                         supplemental_right->set_text (_text_cells[LowerRight1], _("M"));
1909                 }
1910                 break;
1911
1912         case MinSec:
1913                 display->add_cell (_text_cells[MS_Hours]);
1914                 display->add_cell (_fixed_cells[Colon1]);
1915                 display->add_cell (_text_cells[MS_Minutes]);
1916                 display->add_cell (_fixed_cells[Colon2]);
1917                 display->add_cell (_text_cells[MS_Seconds]);
1918                 display->add_cell (_fixed_cells[Colon3]);
1919                 display->add_cell (_text_cells[MS_Milliseconds]);
1920                 if (supplemental_left) {
1921                         supplemental_left->add_cell (_text_cells[LowerLeft1]);
1922                         supplemental_left->add_cell (_text_cells[LowerLeft2]);
1923                         supplemental_right->add_cell (_text_cells[LowerRight1]);
1924                         supplemental_right->add_cell (_text_cells[LowerRight2]);
1925
1926                         /* These are going to remain empty */
1927
1928                         supplemental_left->set_width_chars (_text_cells[LowerLeft1], 1);
1929                         supplemental_left->set_width_chars (_text_cells[LowerLeft2], 5);
1930
1931                         supplemental_right->set_width_chars (_text_cells[LowerRight1], 1);
1932                         supplemental_right->set_width_chars (_text_cells[LowerRight2], 1);
1933
1934                         supplemental_left->set_text (_text_cells[LowerLeft1], _(" "));
1935                         supplemental_right->set_text (_text_cells[LowerRight1], _(" "));
1936                 }
1937                 break;
1938
1939         case Frames:
1940                 display->add_cell (_text_cells[AudioFrames]);
1941                 if (supplemental_left) {
1942                         supplemental_left->add_cell (_text_cells[LowerLeft1]);
1943                         supplemental_left->add_cell (_text_cells[LowerLeft2]);
1944                         supplemental_right->add_cell (_text_cells[LowerRight1]);
1945                         supplemental_right->add_cell (_text_cells[LowerRight2]);
1946
1947                         supplemental_left->set_width_chars (_text_cells[LowerLeft1], 3);
1948                         supplemental_left->set_width_chars (_text_cells[LowerLeft2], 5);
1949
1950                         supplemental_right->set_width_chars (_text_cells[LowerRight1], 5);
1951                         supplemental_right->set_width_chars (_text_cells[LowerRight2], 5);
1952
1953                         supplemental_left->set_text (_text_cells[LowerLeft1], _("SR"));
1954                         supplemental_right->set_text (_text_cells[LowerRight1], _("Pull"));
1955                 }
1956                 break;
1957         }
1958
1959         if (supplemental_left) {
1960                 /* clear information cells */
1961                 supplemental_left->set_text (_text_cells[LowerLeft2], _(""));
1962                 supplemental_right->set_text (_text_cells[LowerRight2], _(""));
1963         }
1964
1965         set (last_when, true);
1966
1967         if (!is_transient) {
1968                 ModeChanged (); /* EMIT SIGNAL (the static one)*/
1969         }
1970
1971         mode_changed (); /* EMIT SIGNAL (the member one) */
1972 }
1973
1974 void
1975 AudioClock::set_bbt_reference (framepos_t pos)
1976 {
1977         bbt_reference_time = pos;
1978 }
1979
1980 void
1981 AudioClock::on_style_changed (const Glib::RefPtr<Gtk::Style>& old_style)
1982 {
1983         VBox::on_style_changed (old_style);
1984         set_theme ();
1985 }
1986
1987 void
1988 AudioClock::set_is_duration (bool yn)
1989 {
1990         if (yn == is_duration) {
1991                 return;
1992         }
1993
1994         is_duration = yn;
1995         set (last_when, true, 0, 's');
1996 }
1997
1998 void
1999 AudioClock::set_off (bool yn)
2000 {
2001         if (_off == yn) {
2002                 return;
2003         }
2004
2005         _off = yn;
2006
2007         if (_off) {
2008                 _canonical_time = current_time ();
2009                 _canonical_time_is_displayed = false;
2010         } else {
2011                 _canonical_time_is_displayed = true;
2012         }
2013
2014         /* force a possible redraw */
2015
2016         set (_canonical_time, true);
2017 }
2018