gtk2_ardour/region_view.cc

   1 /*
   2     Copyright (C) 2001-2006 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 <cmath>
  21 #include <cassert>
  22 #include <algorithm>
  23
  24 #include <gtkmm.h>
  25
  26 #include <gtkmm2ext/gtk_ui.h>
  27
  28 #include "ardour/playlist.h"
  29 #include "ardour/audioregion.h"
  30 #include "ardour/audiosource.h"
  31 #include "ardour/audio_diskstream.h"
  32 #include "ardour/session.h"
  33
  34 #include "ardour_ui.h"
  35 #include "global_signals.h"
  36 #include "canvas-noevent-text.h"
  37 #include "streamview.h"
  38 #include "region_view.h"
  39 #include "automation_region_view.h"
  40 #include "route_time_axis.h"
  41 #include "simplerect.h"
  42 #include "simpleline.h"
  43 #include "waveview.h"
  44 #include "public_editor.h"
  45 #include "region_editor.h"
  46 #include "ghostregion.h"
  47 #include "route_time_axis.h"
  48 #include "ui_config.h"
  49 #include "utils.h"
  50 #include "rgb_macros.h"
  51 #include "gui_thread.h"
  52
  53 #include "i18n.h"
  54
  55 using namespace std;
  56 using namespace ARDOUR;
  57 using namespace PBD;
  58 using namespace Editing;
  59 using namespace Gtk;
  60 using namespace ArdourCanvas;
  61
  62 static const int32_t sync_mark_width = 9;
  63
  64 PBD::Signal1<void,RegionView*> RegionView::RegionViewGoingAway;
  65
  66 RegionView::RegionView (ArdourCanvas::Group*              parent,
  67                         TimeAxisView&                     tv,
  68                         boost::shared_ptr<ARDOUR::Region> r,
  69                         double                            spu,
  70                         Gdk::Color const &                basic_color,
  71                         bool                              automation)
  72         : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false, automation,
  73                             TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
  74                                                           TimeAxisViewItem::ShowNameHighlight| TimeAxisViewItem::ShowFrame))
  75         , _region (r)
  76         , sync_mark(0)
  77         , sync_line(0)
  78         , editor(0)
  79         , current_visible_sync_position(0.0)
  80         , valid(false)
  81         , _enable_display(false)
  82         , _pixel_width(1.0)
  83         , in_destructor(false)
  84         , wait_for_data(false)
  85         , _silence_text (0)
  86         , _region_relative_time_converter(r->session().tempo_map(), r->position())
  87         , _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
  88 {
  89         GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
  90 }
  91
  92 RegionView::RegionView (const RegionView& other)
  93         : sigc::trackable(other)
  94         , TimeAxisViewItem (other)
  95         , _silence_text (0)
  96         , _region_relative_time_converter(other.region_relative_time_converter())
  97         , _source_relative_time_converter(other.source_relative_time_converter())
  98 {
  99         /* derived concrete type will call init () */
 100
 101         _region = other._region;
 102         current_visible_sync_position = other.current_visible_sync_position;
 103         valid = false;
 104         _pixel_width = other._pixel_width;
 105
 106         GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
 107 }
 108
 109 RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other_region)
 110         : sigc::trackable(other)
 111         , TimeAxisViewItem (other)
 112         , _silence_text (0)
 113         , _region_relative_time_converter(other_region->session().tempo_map(), other_region->position())
 114         , _source_relative_time_converter(other_region->session().tempo_map(), other_region->position() - other_region->start())
 115 {
 116         /* this is a pseudo-copy constructor used when dragging regions
 117            around on the canvas.
 118         */
 119
 120         /* derived concrete type will call init () */
 121
 122         _region = other_region;
 123         current_visible_sync_position = other.current_visible_sync_position;
 124         valid = false;
 125         _pixel_width = other._pixel_width;
 126
 127         GhostRegion::CatchDeletion.connect (*this, invalidator (*this), ui_bind (&RegionView::remove_ghost, this, _1), gui_context());
 128 }
 129
 130 RegionView::RegionView (ArdourCanvas::Group*         parent,
 131                         TimeAxisView&                tv,
 132                         boost::shared_ptr<ARDOUR::Region> r,
 133                         double                       spu,
 134                         Gdk::Color const &           basic_color,
 135                         bool                         recording,
 136                         TimeAxisViewItem::Visibility visibility)
 137         : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, false, visibility)
 138         , _region (r)
 139         , sync_mark(0)
 140         , sync_line(0)
 141         , editor(0)
 142         , current_visible_sync_position(0.0)
 143         , valid(false)
 144         , _enable_display(false)
 145         , _pixel_width(1.0)
 146         , in_destructor(false)
 147         , wait_for_data(false)
 148         , _silence_text (0)
 149         , _region_relative_time_converter(r->session().tempo_map(), r->position())
 150         , _source_relative_time_converter(r->session().tempo_map(), r->position() - r->start())
 151 {
 152 }
 153
 154 void
 155 RegionView::init (Gdk::Color const & basic_color, bool wfd)
 156 {
 157         editor        = 0;
 158         valid         = true;
 159         in_destructor = false;
 160         wait_for_data = wfd;
 161         sync_mark     = 0;
 162         sync_line     = 0;
 163         sync_mark     = 0;
 164         sync_line     = 0;
 165
 166         compute_colors (basic_color);
 167
 168         if (name_highlight) {
 169                 name_highlight->set_data ("regionview", this);
 170                 name_highlight->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
 171
 172                 if (frame_handle_start) {
 173                         frame_handle_start->set_data ("regionview", this);
 174                         frame_handle_start->set_data ("isleft", (void*) 1);
 175                         frame_handle_start->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_start, this));
 176                         frame_handle_start->raise_to_top();
 177                 }
 178
 179                 if (frame_handle_end) {
 180                         frame_handle_end->set_data ("regionview", this);
 181                         frame_handle_end->set_data ("isleft", (void*) 0);
 182                         frame_handle_end->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_frame_handle_event), frame_handle_end, this));
 183                         frame_handle_end->raise_to_top();
 184                 }
 185         }
 186
 187         if (name_pixbuf) {
 188                 name_pixbuf->set_data ("regionview", this);
 189                 name_pixbuf->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_event), name_pixbuf, this));
 190         }
 191
 192         if (wfd) {
 193                 _enable_display = true;
 194         }
 195
 196         set_height (trackview.current_height());
 197
 198         _region->PropertyChanged.connect (*this, invalidator (*this), ui_bind (&RegionView::region_changed, this, _1), gui_context());
 199
 200         group->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
 201
 202         set_colors ();
 203
 204         ColorsChanged.connect (sigc::mem_fun (*this, &RegionView::color_handler));
 205
 206         /* XXX sync mark drag? */
 207 }
 208
 209 RegionView::~RegionView ()
 210 {
 211         in_destructor = true;
 212
 213         for (vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
 214                 delete *g;
 215         }
 216
 217         for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
 218                 delete *i;
 219         }
 220
 221         drop_silent_frames ();
 222
 223         delete editor;
 224 }
 225
 226 void
 227 RegionView::set_silent_frames (const AudioIntervalResult& silences, double threshold)
 228 {
 229         framecnt_t shortest = max_framecnt;
 230
 231         /* remove old silent frames */
 232         drop_silent_frames ();
 233
 234         if (silences.empty()) {
 235                 return;
 236         }
 237
 238         uint32_t const color = ARDOUR_UI::config()->canvasvar_Silence.get();
 239
 240         for (AudioIntervalResult::const_iterator i = silences.begin(); i != silences.end(); ++i) {
 241
 242                 ArdourCanvas::SimpleRect* cr = new ArdourCanvas::SimpleRect (*group);
 243                 _silent_frames.push_back (cr);
 244
 245                 /* coordinates for the rect are relative to the regionview origin */
 246
 247                 cr->property_x1() = trackview.editor().frame_to_pixel (i->first - _region->start());
 248                 cr->property_x2() = trackview.editor().frame_to_pixel (i->second - _region->start());
 249                 cr->property_y1() = 1;
 250                 cr->property_y2() = _height - 2;
 251                 cr->property_outline_pixels() = 0;
 252                 cr->property_fill_color_rgba () = color;
 253
 254                 shortest = min (shortest, i->second - i->first);
 255         }
 256
 257         /* Find shortest audible segment */
 258         framecnt_t shortest_audible = max_framecnt;
 259
 260         framecnt_t s = _region->start();
 261         for (AudioIntervalResult::const_iterator i = silences.begin(); i != silences.end(); ++i) {
 262                 framecnt_t const dur = i->first - s;
 263                 if (dur > 0) {
 264                         shortest_audible = min (shortest_audible, dur);
 265                 }
 266
 267                 s = i->second;
 268         }
 269
 270         framecnt_t const dur = _region->start() + _region->length() - 1 - s;
 271         if (dur > 0) {
 272                 shortest_audible = min (shortest_audible, dur);
 273         }
 274
 275         _silence_text = new ArdourCanvas::NoEventText (*group);
 276         _silence_text->property_font_desc() = get_font_for_style (N_("SilenceText"));
 277         _silence_text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_SilenceText.get();
 278         _silence_text->property_anchor() = ANCHOR_NW;
 279
 280         /* both positions are relative to the region start offset in source */
 281
 282         _silence_text->property_x() = trackview.editor().frame_to_pixel (silences.front().first - _region->start()) + 10.0;
 283         _silence_text->property_y() = 20.0;
 284
 285         double ms = (float) shortest/_region->session().frame_rate();
 286
 287         /* ms are now in seconds */
 288
 289         char const * sunits;
 290
 291         if (ms >= 60.0) {
 292                 sunits = _("minutes");
 293                 ms /= 60.0;
 294         } else if (ms < 1.0) {
 295                 sunits = _("msecs");
 296                 ms *= 1000.0;
 297         } else {
 298                 sunits = _("secs");
 299         }
 300
 301         string text = string_compose (ngettext ("%1 silent segment", "%1 silent segments", silences.size()), silences.size())
 302                 + ", "
 303                 + string_compose (_("shortest = %1 %2"), ms, sunits);
 304
 305         if (shortest_audible != max_framepos) {
 306                 /* ms are now in seconds */
 307                 double ma = (float) shortest_audible / _region->session().frame_rate();
 308                 char const * aunits;
 309
 310                 if (ma >= 60.0) {
 311                         aunits = _("minutes");
 312                         ma /= 60.0;
 313                 } else if (ma < 1.0) {
 314                         aunits = _("msecs");
 315                         ma *= 1000.0;
 316                 } else {
 317                         aunits = _("secs");
 318                 }
 319
 320                 text += string_compose (_("\n  (shortest audible segment = %1 %2)"), ma, aunits);
 321         }
 322
 323         _silence_text->property_text() = text.c_str ();
 324 }
 325
 326 void
 327 RegionView::hide_silent_frames ()
 328 {
 329         for (list<ArdourCanvas::SimpleRect*>::iterator i = _silent_frames.begin (); i != _silent_frames.end (); ++i) {
 330                 (*i)->hide ();
 331         }
 332         _silence_text->hide();
 333 }
 334
 335 void
 336 RegionView::drop_silent_frames ()
 337 {
 338         for (list<ArdourCanvas::SimpleRect*>::iterator i = _silent_frames.begin (); i != _silent_frames.end (); ++i) {
 339                 delete *i;
 340         }
 341         _silent_frames.clear ();
 342
 343         delete _silence_text;
 344         _silence_text = 0;
 345 }
 346
 347 gint
 348 RegionView::_lock_toggle (ArdourCanvas::Item*, GdkEvent* ev, void* arg)
 349 {
 350         switch (ev->type) {
 351         case GDK_BUTTON_RELEASE:
 352                 static_cast<RegionView*>(arg)->lock_toggle ();
 353                 return TRUE;
 354                 break;
 355         default:
 356                 break;
 357         }
 358         return FALSE;
 359 }
 360
 361 void
 362 RegionView::lock_toggle ()
 363 {
 364         _region->set_locked (!_region->locked());
 365 }
 366
 367 void
 368 RegionView::region_changed (const PropertyChange& what_changed)
 369 {
 370         ENSURE_GUI_THREAD (*this, &RegionView::region_changed, what_changed);
 371
 372         if (what_changed.contains (ARDOUR::bounds_change)) {
 373                 region_resized (what_changed);
 374                 region_sync_changed ();
 375         }
 376         if (what_changed.contains (ARDOUR::Properties::muted)) {
 377                 region_muted ();
 378         }
 379         if (what_changed.contains (ARDOUR::Properties::opaque)) {
 380                 region_opacity ();
 381         }
 382         if (what_changed.contains (ARDOUR::Properties::name)) {
 383                 region_renamed ();
 384         }
 385         if (what_changed.contains (ARDOUR::Properties::sync_position)) {
 386                 region_sync_changed ();
 387         }
 388         if (what_changed.contains (ARDOUR::Properties::locked)) {
 389                 region_locked ();
 390         }
 391 }
 392
 393 void
 394 RegionView::region_locked ()
 395 {
 396         /* name will show locked status */
 397         region_renamed ();
 398 }
 399
 400 void
 401 RegionView::region_resized (const PropertyChange& what_changed)
 402 {
 403         double unit_length;
 404
 405         if (what_changed.contains (ARDOUR::Properties::position)) {
 406                 set_position (_region->position(), 0);
 407                 _region_relative_time_converter.set_origin_b (_region->position());
 408         }
 409
 410         if (what_changed.contains (ARDOUR::Properties::start) || what_changed.contains (ARDOUR::Properties::position)) {
 411                 _source_relative_time_converter.set_origin_b (_region->position() - _region->start());
 412         }
 413
 414         PropertyChange s_and_l;
 415         s_and_l.add (ARDOUR::Properties::start);
 416         s_and_l.add (ARDOUR::Properties::length);
 417
 418         if (what_changed.contains (s_and_l)) {
 419
 420                 set_duration (_region->length(), 0);
 421
 422                 unit_length = _region->length() / samples_per_unit;
 423
 424                 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 425
 426                         (*i)->set_duration (unit_length);
 427
 428                 }
 429         }
 430 }
 431
 432 void
 433 RegionView::reset_width_dependent_items (double pixel_width)
 434 {
 435         TimeAxisViewItem::reset_width_dependent_items (pixel_width);
 436         _pixel_width = pixel_width;
 437 }
 438
 439 void
 440 RegionView::region_muted ()
 441 {
 442         set_frame_color ();
 443         region_renamed ();
 444 }
 445
 446 void
 447 RegionView::region_opacity ()
 448 {
 449         set_frame_color ();
 450 }
 451
 452 void
 453 RegionView::raise_to_top ()
 454 {
 455         _region->raise_to_top ();
 456 }
 457
 458 void
 459 RegionView::lower_to_bottom ()
 460 {
 461         _region->lower_to_bottom ();
 462 }
 463
 464 bool
 465 RegionView::set_position (framepos_t pos, void* /*src*/, double* ignored)
 466 {
 467         double delta;
 468         bool ret;
 469
 470         if (!(ret = TimeAxisViewItem::set_position (pos, this, &delta))) {
 471                 return false;
 472         }
 473
 474         if (ignored) {
 475                 *ignored = delta;
 476         }
 477
 478         if (delta) {
 479                 for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 480                         (*i)->group->move (delta, 0.0);
 481                 }
 482         }
 483
 484         return ret;
 485 }
 486
 487 void
 488 RegionView::set_samples_per_unit (gdouble spu)
 489 {
 490         TimeAxisViewItem::set_samples_per_unit (spu);
 491
 492         for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 493                 (*i)->set_samples_per_unit (spu);
 494                 (*i)->set_duration (_region->length() / samples_per_unit);
 495         }
 496
 497         region_sync_changed ();
 498 }
 499
 500 bool
 501 RegionView::set_duration (framecnt_t frames, void *src)
 502 {
 503         if (!TimeAxisViewItem::set_duration (frames, src)) {
 504                 return false;
 505         }
 506
 507         for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 508                 (*i)->set_duration (_region->length() / samples_per_unit);
 509         }
 510
 511         return true;
 512 }
 513
 514 void
 515 RegionView::set_colors ()
 516 {
 517         TimeAxisViewItem::set_colors ();
 518
 519         if (sync_mark) {
 520                 sync_mark->property_fill_color_rgba() = RGBA_TO_UINT(0,255,0,255);     // fill_color;                   // FIXME make a themeable colour
 521                 sync_line->property_fill_color_rgba() = RGBA_TO_UINT(0,255,0,255);     // fill_color;                   // FIXME make a themeable colour
 522         }
 523 }
 524
 525 void
 526 RegionView::set_frame_color ()
 527 {
 528         if (_region->opaque()) {
 529                 fill_opacity = 130;
 530         } else {
 531                 fill_opacity = 60;
 532         }
 533
 534         TimeAxisViewItem::set_frame_color ();
 535 }
 536
 537 void
 538 RegionView::fake_set_opaque (bool yn)
 539 {
 540        if (yn) {
 541                fill_opacity = 130;
 542        } else {
 543                fill_opacity = 60;
 544        }
 545
 546        set_frame_color ();
 547 }
 548
 549 void
 550 RegionView::show_region_editor ()
 551 {
 552         if (editor == 0) {
 553                 editor = new RegionEditor (trackview.session(), region());
 554         }
 555
 556         editor->present ();
 557         editor->show_all();
 558 }
 559
 560 void
 561 RegionView::hide_region_editor()
 562 {
 563         if (editor) {
 564                 editor->hide_all ();
 565         }
 566 }
 567
 568 std::string
 569 RegionView::make_name () const
 570 {
 571         std::string str;
 572
 573         // XXX nice to have some good icons for this
 574
 575         if (_region->locked()) {
 576                 str += '>';
 577                 str += _region->name();
 578                 str += '<';
 579         } else if (_region->position_locked()) {
 580                 str += '{';
 581                 str += _region->name();
 582                 str += '}';
 583         } else {
 584                 str = _region->name();
 585         }
 586
 587         if (_region->muted()) {
 588                 str = string ("!") + str;
 589         }
 590
 591         return str;
 592 }
 593
 594 void
 595 RegionView::region_renamed ()
 596 {
 597         std::string str = make_name ();
 598
 599         set_item_name (str, this);
 600         set_name_text (str);
 601         reset_width_dependent_items (_pixel_width);
 602 }
 603
 604 void
 605 RegionView::region_sync_changed ()
 606 {
 607         int sync_dir;
 608         framecnt_t sync_offset;
 609
 610         sync_offset = _region->sync_offset (sync_dir);
 611
 612         if (sync_offset == 0) {
 613                 /* no need for a sync mark */
 614                 if (sync_mark) {
 615                         sync_mark->hide();
 616                         sync_line->hide ();
 617                 }
 618                 return;
 619         }
 620
 621         if (!sync_mark) {
 622
 623                 /* points set below */
 624
 625                 sync_mark = new ArdourCanvas::Polygon (*group);
 626                 sync_mark->property_fill_color_rgba() = RGBA_TO_UINT(0,255,0,255);     // fill_color;                   // FIXME make a themeable colour
 627
 628                 sync_line = new ArdourCanvas::Line (*group);
 629                 sync_line->property_fill_color_rgba() = RGBA_TO_UINT(0,255,0,255);     // fill_color;                   // FIXME make a themeable colour
 630                 sync_line->property_width_pixels() = 1;
 631         }
 632
 633         /* this has to handle both a genuine change of position, a change of samples_per_unit,
 634            and a change in the bounds of the _region->
 635          */
 636
 637         if (sync_offset == 0) {
 638
 639                 /* no sync mark - its the start of the region */
 640
 641                 sync_mark->hide();
 642                 sync_line->hide ();
 643
 644         } else {
 645
 646                 if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
 647
 648                         /* no sync mark - its out of the bounds of the region */
 649
 650                         sync_mark->hide();
 651                         sync_line->hide ();
 652
 653                 } else {
 654
 655                         /* lets do it */
 656
 657                         Points points;
 658
 659                         //points = sync_mark->property_points().get_value();
 660
 661                         double offset = sync_offset / samples_per_unit;
 662                         points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
 663                         points.push_back (Gnome::Art::Point (offset + ((sync_mark_width-1)/2), 1));
 664                         points.push_back (Gnome::Art::Point (offset, sync_mark_width - 1));
 665                         points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
 666                         sync_mark->property_points().set_value (points);
 667                         sync_mark->show ();
 668
 669                         points.clear ();
 670                         points.push_back (Gnome::Art::Point (offset, 0));
 671                         points.push_back (Gnome::Art::Point (offset, trackview.current_height() - NAME_HIGHLIGHT_SIZE));
 672
 673                         sync_line->property_points().set_value (points);
 674                         sync_line->show ();
 675                 }
 676         }
 677 }
 678
 679 void
 680 RegionView::move (double x_delta, double y_delta)
 681 {
 682         if (!_region->can_move() || (x_delta == 0 && y_delta == 0)) {
 683                 return;
 684         }
 685
 686         get_canvas_group()->move (x_delta, y_delta);
 687
 688         /* note: ghosts never leave their tracks so y_delta for them is always zero */
 689
 690         for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 691                 (*i)->group->move (x_delta, 0.0);
 692         }
 693 }
 694
 695 void
 696 RegionView::remove_ghost_in (TimeAxisView& tv)
 697 {
 698         for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 699                 if (&(*i)->trackview == &tv) {
 700                         delete *i;
 701                         break;
 702                 }
 703         }
 704 }
 705
 706 void
 707 RegionView::remove_ghost (GhostRegion* ghost)
 708 {
 709         if (in_destructor) {
 710                 return;
 711         }
 712
 713         for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 714                 if (*i == ghost) {
 715                         ghosts.erase (i);
 716                         break;
 717                 }
 718         }
 719 }
 720
 721 uint32_t
 722 RegionView::get_fill_color ()
 723 {
 724         return fill_color;
 725 }
 726
 727 void
 728 RegionView::set_height (double h)
 729 {
 730         TimeAxisViewItem::set_height(h);
 731
 732         if (sync_line) {
 733                 Points points;
 734                 int sync_dir;
 735                 framecnt_t sync_offset;
 736                 sync_offset = _region->sync_offset (sync_dir);
 737                 double offset = sync_offset / samples_per_unit;
 738
 739                 points.push_back (Gnome::Art::Point (offset, 0));
 740                 points.push_back (Gnome::Art::Point (offset, h - NAME_HIGHLIGHT_SIZE));
 741                 sync_line->property_points().set_value (points);
 742         }
 743
 744         for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin(); i != _coverage_frames.end(); ++i) {
 745                 (*i)->property_y2() = h + 1;
 746         }
 747
 748         for (list<ArdourCanvas::SimpleRect*>::iterator i = _silent_frames.begin(); i != _silent_frames.end(); ++i) {
 749                 (*i)->property_y2() = h + 1;
 750         }
 751
 752 }
 753
 754 /** Remove old coverage frames and make new ones, if we're in a LayerDisplay mode
 755  *  which uses them. */
 756 void
 757 RegionView::update_coverage_frames (LayerDisplay d)
 758 {
 759         /* remove old coverage frames */
 760         for (list<ArdourCanvas::SimpleRect*>::iterator i = _coverage_frames.begin (); i != _coverage_frames.end (); ++i) {
 761                 delete *i;
 762         }
 763
 764         _coverage_frames.clear ();
 765
 766         if (d != Stacked) {
 767                 /* don't do coverage frames unless we're in stacked mode */
 768                 return;
 769         }
 770
 771         boost::shared_ptr<Playlist> pl (_region->playlist ());
 772         if (!pl) {
 773                 return;
 774         }
 775
 776         framepos_t const position = _region->first_frame ();
 777         framepos_t t = position;
 778         framepos_t const end = _region->last_frame ();
 779
 780         ArdourCanvas::SimpleRect* cr = 0;
 781         bool me = false;
 782
 783         uint32_t const color = frame->property_fill_color_rgba ();
 784         uint32_t const base_alpha = UINT_RGBA_A (color);
 785
 786         while (t < end) {
 787
 788                 t++;
 789
 790                 /* is this region is on top at time t? */
 791                 bool const new_me = (pl->top_unmuted_region_at (t) == _region);
 792
 793                 /* finish off any old rect, if required */
 794                 if (cr && me != new_me) {
 795                         cr->property_x2() = trackview.editor().frame_to_pixel (t - position);
 796                 }
 797
 798                 /* start off any new rect, if required */
 799                 if (cr == 0 || me != new_me) {
 800                         cr = new ArdourCanvas::SimpleRect (*group);
 801                         _coverage_frames.push_back (cr);
 802                         cr->property_x1() = trackview.editor().frame_to_pixel (t - position);
 803                         cr->property_y1() = 1;
 804                         cr->property_y2() = _height + 1;
 805                         cr->property_outline_pixels() = 0;
 806                         /* areas that will be played get a lower alpha */
 807                         uint32_t alpha = base_alpha;
 808                         if (new_me) {
 809                                 alpha /= 2;
 810                         }
 811                         cr->property_fill_color_rgba () = UINT_RGBA_CHANGE_A (color, alpha);
 812                 }
 813
 814                 t = pl->find_next_region_boundary (t, 1);
 815                 me = new_me;
 816         }
 817
 818         if (cr) {
 819                 /* finish off the last rectangle */
 820                 cr->property_x2() = trackview.editor().frame_to_pixel (end - position);
 821         }
 822
 823         if (frame_handle_start) {
 824                 frame_handle_start->raise_to_top ();
 825         }
 826
 827         if (frame_handle_end) {
 828                 frame_handle_end->raise_to_top ();
 829         }
 830
 831         if (name_highlight) {
 832                 name_highlight->raise_to_top ();
 833         }
 834
 835         if (name_pixbuf) {
 836                 name_pixbuf->raise_to_top ();
 837         }
 838 }
 839
 840 void
 841 RegionView::trim_front (framepos_t new_bound, bool no_overlap)
 842 {
 843         if (_region->locked()) {
 844                 return;
 845         }
 846
 847         RouteTimeAxisView& rtv = dynamic_cast<RouteTimeAxisView&> (trackview);
 848         double const speed = rtv.track()->speed ();
 849
 850         framepos_t const pre_trim_first_frame = _region->first_frame();
 851
 852         _region->trim_front ((framepos_t) (new_bound * speed));
 853
 854         if (no_overlap) {
 855                 // Get the next region on the left of this region and shrink/expand it.
 856                 boost::shared_ptr<Playlist> playlist (_region->playlist());
 857                 boost::shared_ptr<Region> region_left = playlist->find_next_region (pre_trim_first_frame, End, 0);
 858
 859                 bool regions_touching = false;
 860
 861                 if (region_left != 0 && (pre_trim_first_frame == region_left->last_frame() + 1)) {
 862                         regions_touching = true;
 863                 }
 864
 865                 // Only trim region on the left if the first frame has gone beyond the left region's last frame.
 866                 if (region_left != 0 && (region_left->last_frame() > _region->first_frame() || regions_touching)) {
 867                         region_left->trim_end (_region->first_frame() - 1);
 868                 }
 869         }
 870
 871         region_changed (ARDOUR::bounds_change);
 872 }
 873
 874 void
 875 RegionView::trim_end (framepos_t new_bound, bool no_overlap)
 876 {
 877         if (_region->locked()) {
 878                 return;
 879         }
 880
 881         RouteTimeAxisView& rtv = dynamic_cast<RouteTimeAxisView&> (trackview);
 882         double const speed = rtv.track()->speed ();
 883
 884         framepos_t const pre_trim_last_frame = _region->last_frame();
 885
 886         _region->trim_end ((framepos_t) (new_bound * speed));
 887
 888         if (no_overlap) {
 889                 // Get the next region on the right of this region and shrink/expand it.
 890                 boost::shared_ptr<Playlist> playlist (_region->playlist());
 891                 boost::shared_ptr<Region> region_right = playlist->find_next_region (pre_trim_last_frame, Start, 1);
 892
 893                 bool regions_touching = false;
 894
 895                 if (region_right != 0 && (pre_trim_last_frame == region_right->first_frame() - 1)) {
 896                         regions_touching = true;
 897                 }
 898
 899                 // Only trim region on the right if the last frame has gone beyond the right region's first frame.
 900                 if (region_right != 0 && (region_right->first_frame() < _region->last_frame() || regions_touching)) {
 901                         region_right->trim_front (_region->last_frame() + 1);
 902                 }
 903
 904                 region_changed (ARDOUR::bounds_change);
 905
 906         } else {
 907                 region_changed (PropertyChange (ARDOUR::Properties::length));
 908         }
 909 }
 910
 911
 912 void
 913 RegionView::thaw_after_trim ()
 914 {
 915         if (_region->locked()) {
 916                 return;
 917         }
 918
 919         _region->resume_property_changes ();
 920 }
 921
 922
 923 void
 924 RegionView::trim_contents (framepos_t frame_delta, bool left_direction, bool swap_direction)
 925 {
 926         if (_region->locked()) {
 927                 return;
 928         }
 929
 930         framepos_t new_bound;
 931
 932         RouteTimeAxisView& rtv = dynamic_cast<RouteTimeAxisView&> (trackview);
 933         double const speed = rtv.track()->speed ();
 934
 935         if (left_direction) {
 936                 if (swap_direction) {
 937                         new_bound = (framepos_t) (_region->position() / speed) + frame_delta;
 938                 } else {
 939                         new_bound = (framepos_t) (_region->position() / speed) - frame_delta;
 940                 }
 941         } else {
 942                 if (swap_direction) {
 943                         new_bound = (framepos_t) (_region->position() / speed) - frame_delta;
 944                 } else {
 945                         new_bound = (framepos_t) (_region->position() / speed) + frame_delta;
 946                 }
 947         }
 948
 949         _region->trim_start ((framepos_t) (new_bound * speed));
 950         region_changed (PropertyChange (ARDOUR::Properties::start));
 951 }
 952