git.sesse.net Git - kdenlive/blob - src/trackview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   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                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "trackview.h"
  22 #include "headertrack.h"
  23 #include "clipitem.h"
  24 #include "transition.h"
  25 #include "kdenlivesettings.h"
  26 #include "clipmanager.h"
  27 #include "customruler.h"
  28 #include "kdenlivedoc.h"
  29 #include "mainwindow.h"
  30 #include "customtrackview.h"
  31 #include "initeffects.h"
  32 #include "profilesdialog.h"
  33 #include "configtrackscommand.h"
  34
  35 #include <KDebug>
  36 #include <KMessageBox>
  37 #include <KIO/NetAccess>
  38
  39 #include <QScrollBar>
  40 #include <QInputDialog>
  41
  42 TrackView::TrackView(KdenliveDoc *doc, bool *ok, QWidget *parent) :
  43     QWidget(parent),
  44     m_scale(1.0),
  45     m_projectTracks(0),
  46     m_doc(doc),
  47     m_verticalZoom(1)
  48 {
  49
  50     setupUi(this);
  51 //    ruler_frame->setMaximumHeight();
  52 //    size_frame->setMaximumHeight();
  53     m_scene = new CustomTrackScene(doc);
  54     m_trackview = new CustomTrackView(doc, m_scene, parent);
  55     m_trackview->scale(1, 1);
  56     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  57
  58     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  59     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  60     connect(m_ruler, SIGNAL(adjustZoom(int)), this, SIGNAL(setZoom(int)));
  61     QHBoxLayout *layout = new QHBoxLayout;
  62     layout->setContentsMargins(m_trackview->frameWidth(), 0, 0, 0);
  63     layout->setSpacing(0);
  64     ruler_frame->setLayout(layout);
  65     layout->addWidget(m_ruler);
  66
  67     QHBoxLayout *sizeLayout = new QHBoxLayout;
  68     sizeLayout->setContentsMargins(0, 0, 0, 0);
  69     sizeLayout->setSpacing(0);
  70     size_frame->setLayout(sizeLayout);
  71
  72     QToolButton *butSmall = new QToolButton(this);
  73     butSmall->setIcon(KIcon("kdenlive-zoom-small"));
  74     butSmall->setToolTip(i18n("Smaller tracks"));
  75     butSmall->setAutoRaise(true);
  76     connect(butSmall, SIGNAL(clicked()), this, SLOT(slotVerticalZoomDown()));
  77     sizeLayout->addWidget(butSmall);
  78
  79     QToolButton *butLarge = new QToolButton(this);
  80     butLarge->setIcon(KIcon("kdenlive-zoom-large"));
  81     butLarge->setToolTip(i18n("Bigger tracks"));
  82     butLarge->setAutoRaise(true);
  83     connect(butLarge, SIGNAL(clicked()), this, SLOT(slotVerticalZoomUp()));
  84     sizeLayout->addWidget(butLarge);
  85
  86     QHBoxLayout *tracksLayout = new QHBoxLayout;
  87     tracksLayout->setContentsMargins(0, 0, 0, 0);
  88     tracksLayout->setSpacing(0);
  89     tracks_frame->setLayout(tracksLayout);
  90
  91     headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  92     headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  93     headers_area->setFixedWidth(70);
  94
  95     QVBoxLayout *headersLayout = new QVBoxLayout;
  96     headersLayout->setContentsMargins(0, m_trackview->frameWidth(), 0, 0);
  97     headersLayout->setSpacing(0);
  98     headers_container->setLayout(headersLayout);
  99     connect(headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
 100
 101     tracksLayout->addWidget(m_trackview);
 102     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), headers_area->verticalScrollBar(), SLOT(setValue(int)));
 103     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
 104     connect(m_trackview, SIGNAL(tracksChanged()), this, SLOT(slotReloadTracks()));
 105     connect(m_trackview, SIGNAL(updateTrackHeaders()), this, SLOT(slotRepaintTracks()));
 106     connect(m_trackview, SIGNAL(showTrackEffects(int, TrackInfo)), this, SIGNAL(showTrackEffects(int, TrackInfo)));
 107     connect(m_trackview, SIGNAL(updateTrackEffectState(int)), this, SLOT(slotUpdateTrackEffectState(int)));
 108
 109
 110     parseDocument(m_doc->toXml());
 111     if (m_doc->setSceneList() == -1) *ok = false;
 112     else *ok = true;
 113     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
 114     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
 115     connect(m_trackview->horizontalScrollBar(), SIGNAL(rangeChanged(int, int)), this, SLOT(slotUpdateVerticalScroll(int, int)));
 116     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
 117     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
 118
 119     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
 120     slotSetZone(m_doc->zone(), false);
 121 }
 122
 123 TrackView::~TrackView()
 124 {
 125     delete m_ruler;
 126     delete m_trackview;
 127 }
 128
 129 //virtual
 130 void TrackView::keyPressEvent(QKeyEvent * event)
 131 {
 132     if (event->key() == Qt::Key_Up) {
 133         m_trackview->slotTrackUp();
 134         event->accept();
 135     } else if (event->key() == Qt::Key_Down) {
 136         m_trackview->slotTrackDown();
 137         event->accept();
 138     } else QWidget::keyPressEvent(event);
 139 }
 140
 141 int TrackView::duration() const
 142 {
 143     return m_trackview->duration();
 144 }
 145
 146 int TrackView::tracksNumber() const
 147 {
 148     return m_projectTracks - 1;
 149 }
 150
 151 bool TrackView::checkProjectAudio() const
 152 {
 153     bool hasAudio = false;
 154     const QList <TrackInfo> list = m_doc->tracksList();
 155     int max = list.count();
 156     for (int i = 0; i < max; i++) {
 157         TrackInfo info = list.at(max - i - 1);
 158         if (!info.isMute && m_trackview->hasAudio(i)) {
 159             hasAudio = true;
 160             break;
 161         }
 162     }
 163     return hasAudio;
 164 }
 165
 166 int TrackView::inPoint() const
 167 {
 168     return m_ruler->inPoint();
 169 }
 170
 171 int TrackView::outPoint() const
 172 {
 173     return m_ruler->outPoint();
 174 }
 175
 176 void TrackView::slotSetZone(QPoint p, bool updateDocumentProperties)
 177 {
 178     m_ruler->setZone(p);
 179     if (updateDocumentProperties) m_doc->setZone(p.x(), p.y());
 180 }
 181
 182 void TrackView::setDuration(int dur)
 183 {
 184     m_trackview->setDuration(dur);
 185     m_ruler->setDuration(dur);
 186 }
 187
 188 void TrackView::parseDocument(QDomDocument doc)
 189 {
 190     //int cursorPos = 0;
 191     m_documentErrors.clear();
 192     m_replacementProducerIds.clear();
 193
 194     //kDebug() << "//// DOCUMENT: " << doc.toString();
 195     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 196     if (!props.isNull()) {
 197         cursorPos = props.toElement().attribute("timeline_position").toInt();
 198     }*/
 199
 200     // parse project tracks
 201     QDomElement mlt = doc.firstChildElement("mlt");
 202     QDomElement tractor = mlt.firstChildElement("tractor");
 203     QDomNodeList tracks = tractor.elementsByTagName("track");
 204     QDomNodeList playlists = doc.elementsByTagName("playlist");
 205     int duration = 300;
 206     m_projectTracks = tracks.count();
 207     int trackduration = 0;
 208     QDomElement e;
 209     QDomElement p;
 210
 211     int pos = m_projectTracks - 1;
 212     m_invalidProducers.clear();
 213     QDomNodeList producers = doc.elementsByTagName("producer");
 214     for (int i = 0; i < producers.count(); i++) {
 215         // Check for invalid producers
 216         QDomNode n = producers.item(i);
 217         e = n.toElement();
 218
 219         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 220         int in = e.attribute("in").toInt();
 221         int out = e.attribute("out").toInt();
 222         if (in >= out) {
 223             // invalid producer, remove it
 224             QString id = e.attribute("id");
 225             m_invalidProducers.append(id);
 226             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 227             doc.documentElement().removeChild(producers.at(i));
 228             i--;
 229         }
 230     }
 231
 232     int trackIndex = 0;
 233     for (int i = 0; i < m_projectTracks; i++) {
 234         e = tracks.item(i).toElement();
 235         QString playlist_name = e.attribute("producer");
 236         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 237             // find playlist related to this track
 238             p = QDomElement();
 239             for (int j = 0; j < m_projectTracks; j++) {
 240                 p = playlists.item(j).toElement();
 241                 if (p.attribute("id") == playlist_name) {
 242                     // playlist found, check track effects
 243                     QDomNodeList trackEffects = p.childNodes();
 244                     slotAddProjectEffects(trackEffects, p, NULL, trackIndex++);
 245                     break;
 246                 }
 247             }
 248             if (p.attribute("id") != playlist_name) { // then it didn't work.
 249                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 250             }
 251             if (e.attribute("hide") == "video") {
 252                 m_doc->switchTrackVideo(i - 1, true);
 253             } else if (e.attribute("hide") == "audio") {
 254                 m_doc->switchTrackAudio(i - 1, true);
 255             } else if (e.attribute("hide") == "both") {
 256                 m_doc->switchTrackVideo(i - 1, true);
 257                 m_doc->switchTrackAudio(i - 1, true);
 258             }
 259
 260             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1), producers);
 261             pos--;
 262             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 263             if (trackduration > duration) duration = trackduration;
 264         } else {
 265             // background black track
 266             for (int j = 0; j < m_projectTracks; j++) {
 267                 p = playlists.item(j).toElement();
 268                 if (p.attribute("id") == playlist_name) break;
 269             }
 270             pos--;
 271         }
 272     }
 273
 274     // parse transitions
 275     QDomNodeList transitions = tractor.elementsByTagName("transition");
 276
 277     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 278     for (int i = 0; i < transitions.count(); i++) {
 279         e = transitions.item(i).toElement();
 280         QDomNodeList transitionparams = e.childNodes();
 281         bool transitionAdd = true;
 282         int a_track = 0;
 283         int b_track = 0;
 284         bool isAutomatic = false;
 285         bool forceTrack = false;
 286         QString mlt_geometry;
 287         QString mlt_service;
 288         QString transitionId;
 289         for (int k = 0; k < transitionparams.count(); k++) {
 290             p = transitionparams.item(k).toElement();
 291             if (!p.isNull()) {
 292                 QString paramName = p.attribute("name");
 293                 // do not add audio mixing transitions
 294                 if (paramName == "internal_added" && p.text() == "237") {
 295                     transitionAdd = false;
 296                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 297                     //break;
 298                 } else if (paramName == "a_track") {
 299                     a_track = qMax(0, p.text().toInt());
 300                     a_track = qMin(m_projectTracks - 1, a_track);
 301                     if (a_track != p.text().toInt()) {
 302                         // the transition track was out of bounds
 303                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
 304                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
 305                     }
 306                 } else if (paramName == "b_track") {
 307                     b_track = qMax(0, p.text().toInt());
 308                     b_track = qMin(m_projectTracks - 1, b_track);
 309                     if (b_track != p.text().toInt()) {
 310                         // the transition track was out of bounds
 311                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
 312                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
 313                     }
 314                 } else if (paramName == "mlt_service") mlt_service = p.text();
 315                 else if (paramName == "kdenlive_id") transitionId = p.text();
 316                 else if (paramName == "geometry") mlt_geometry = p.text();
 317                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 318                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 319             }
 320         }
 321         if (a_track == b_track || b_track == 0) {
 322             // invalid transition, remove it
 323             m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 324             tractor.removeChild(transitions.item(i));
 325             i--;
 326             continue;
 327         }
 328         if (transitionAdd || mlt_service != "mix") {
 329             // Transition should be added to the scene
 330             ItemInfo transitionInfo;
 331             if (mlt_service == "composite" && transitionId.isEmpty()) {
 332                 // When adding composite transition, check if it is a wipe transition
 333                 if (mlt_geometry.count(';') == 1) {
 334                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 335                     mlt_geometry.replace(QChar('x'), QChar(':'), Qt::CaseInsensitive);
 336                     mlt_geometry.replace(QChar(','), QChar(':'), Qt::CaseInsensitive);
 337                     mlt_geometry.replace(QChar('/'), QChar(':'), Qt::CaseInsensitive);
 338
 339                     QString start = mlt_geometry.section('=', 0, 0).section(':', 0, -2) + ':';
 340                     start.append(mlt_geometry.section('=', 1, 1).section(':', 0, -2));
 341                     QStringList numbers = start.split(':', QString::SkipEmptyParts);
 342                     bool isWipeTransition = true;
 343                     int checkNumber;
 344                     for (int i = 0; i < numbers.size(); ++i) {
 345                         checkNumber = qAbs(numbers.at(i).toInt());
 346                         if (checkNumber != 0 && checkNumber != 100) {
 347                             isWipeTransition = false;
 348                             break;
 349                         }
 350                     }
 351                     if (isWipeTransition) transitionId = "slide";
 352                 }
 353             }
 354
 355             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 356
 357             if (!base.isNull()) for (int k = 0; k < transitionparams.count(); k++) {
 358                     p = transitionparams.item(k).toElement();
 359                     if (!p.isNull()) {
 360                         QString paramName = p.attribute("name");
 361                         QString paramValue = p.text();
 362
 363                         QDomNodeList params = base.elementsByTagName("parameter");
 364                         if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 365                                 QDomElement e = params.item(i).toElement();
 366                                 if (!e.isNull() && e.attribute("tag") == paramName) {
 367                                     if (e.attribute("type") == "double") {
 368                                         QString factor = e.attribute("factor", "1");
 369                                         if (factor != "1") {
 370                                             double fact;
 371                                             if (factor.contains('%')) {
 372                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 373                                             } else fact = factor.toDouble();
 374                                             double val = paramValue.toDouble() * fact;
 375                                             paramValue = QString::number(val);
 376                                         }
 377                                     }
 378                                     e.setAttribute("value", paramValue);
 379                                     break;
 380                                 }
 381                             }
 382                     }
 383                 }
 384
 385             /*QDomDocument doc;
 386             doc.appendChild(doc.importNode(base, true));
 387             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 388
 389             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 390             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 391             transitionInfo.track = m_projectTracks - 1 - b_track;
 392
 393             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 394             if (transitionInfo.startPos >= transitionInfo.endPos || base.isNull()) {
 395                 // invalid transition, remove it.
 396                 m_documentErrors.append(i18n("Removed invalid transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
 397                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 398                 tractor.removeChild(transitions.item(i));
 399                 i--;
 400             } else if (m_trackview->canBePastedTo(transitionInfo, TRANSITIONWIDGET)) {
 401                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 402                 if (forceTrack) tr->setForcedTrack(true, a_track);
 403                 m_scene->addItem(tr);
 404                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 405                     tr->setItemLocked(true);
 406                 }
 407             }
 408             else {
 409                 m_documentErrors.append(i18n("Removed overlapping transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
 410                 tractor.removeChild(transitions.item(i));
 411                 i--;
 412             }
 413         }
 414     }
 415
 416
 417     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
 418
 419     // Add guides
 420     QDomNodeList guides = infoXml.elementsByTagName("guide");
 421     for (int i = 0; i < guides.count(); i++) {
 422         e = guides.item(i).toElement();
 423         const QString comment = e.attribute("comment");
 424         const GenTime pos = GenTime(e.attribute("time").toDouble());
 425         m_trackview->addGuide(pos, comment);
 426     }
 427
 428     // Rebuild groups
 429     QDomNodeList groups = infoXml.elementsByTagName("group");
 430     m_trackview->loadGroups(groups);
 431     m_trackview->setDuration(duration);
 432     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 433
 434     // Remove Kdenlive extra info from xml doc before sending it to MLT
 435     mlt.removeChild(infoXml);
 436
 437     slotRebuildTrackHeaders();
 438     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 439     if (infoXml.hasAttribute("upgraded") || infoXml.hasAttribute("modified")) {
 440         // Our document was upgraded, create a backup copy just in case
 441         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
 442         int ct = 0;
 443         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 444         while (QFile::exists(backupFile)) {
 445             ct++;
 446             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 447         }
 448         QString message;
 449         if (infoXml.hasAttribute("upgraded"))
 450             message = i18n("Your project file was upgraded to the latest Kdenlive document version.\nTo make sure you don't lose data, a backup copy called %1 was created.", backupFile);
 451         else
 452             message = i18n("Your project file was modified by Kdenlive.\nTo make sure you don't lose data, a backup copy called %1 was created.", backupFile);
 453         if (KIO::NetAccess::file_copy(m_doc->url(), KUrl(backupFile), this))
 454             KMessageBox::information(this, message);
 455         else
 456             KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version, but it was not possible to create a backup copy.", backupFile));
 457     }
 458     //m_trackview->setCursorPos(cursorPos);
 459     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 460 }
 461
 462 void TrackView::slotDeleteClip(const QString &clipId)
 463 {
 464     m_trackview->deleteClip(clipId);
 465 }
 466
 467 void TrackView::setCursorPos(int pos)
 468 {
 469     m_trackview->setCursorPos(pos);
 470 }
 471
 472 void TrackView::moveCursorPos(int pos)
 473 {
 474     m_trackview->setCursorPos(pos, false);
 475 }
 476
 477 void TrackView::slotChangeZoom(int horizontal, int vertical)
 478 {
 479     m_ruler->setPixelPerMark(horizontal);
 480     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
 481
 482     if (vertical == -1) {
 483         // user called zoom
 484         m_doc->setZoom(horizontal, m_verticalZoom);
 485         m_trackview->setScale(m_scale, m_scene->scale().y());
 486     } else {
 487         m_verticalZoom = vertical;
 488         if (m_verticalZoom == 0)
 489             m_trackview->setScale(m_scale, 0.5);
 490         else
 491             m_trackview->setScale(m_scale, m_verticalZoom);
 492         adjustTrackHeaders();
 493     }
 494 }
 495
 496 int TrackView::fitZoom() const
 497 {
 498     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 499     int i;
 500     for (i = 0; i < 13; i++)
 501         if (m_ruler->comboScale[i] > zoom) break;
 502     return i;
 503 }
 504
 505 KdenliveDoc *TrackView::document()
 506 {
 507     return m_doc;
 508 }
 509
 510 void TrackView::refresh()
 511 {
 512     m_trackview->viewport()->update();
 513 }
 514
 515 void TrackView::slotRepaintTracks()
 516 {
 517     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 518     for (int i = 0; i < widgets.count(); i++) {
 519         if (widgets.at(i)) widgets.at(i)->setSelectedIndex(m_trackview->selectedTrack());
 520     }
 521 }
 522
 523 void TrackView::slotReloadTracks()
 524 {
 525     slotRebuildTrackHeaders();
 526     emit updateTracksInfo();
 527 }
 528
 529 void TrackView::slotRebuildTrackHeaders()
 530 {
 531     const QList <TrackInfo> list = m_doc->tracksList();
 532     QLayoutItem *child;
 533     while ((child = headers_container->layout()->takeAt(0)) != 0) {
 534         QWidget *wid = child->widget();
 535         delete child;
 536         if (wid) wid->deleteLater();
 537     }
 538     int max = list.count();
 539     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 540     HeaderTrack *header = NULL;
 541     QFrame *frame = NULL;
 542     for (int i = 0; i < max; i++) {
 543         frame = new QFrame(headers_container);
 544         frame->setFrameStyle(QFrame::HLine);
 545         frame->setFixedHeight(1);
 546         headers_container->layout()->addWidget(frame);
 547         TrackInfo info = list.at(max - i - 1);
 548         header = new HeaderTrack(i, info, height, headers_container);
 549         header->setSelectedIndex(m_trackview->selectedTrack());
 550         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 551         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 552         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 553         connect(header, SIGNAL(selectTrack(int)), m_trackview, SLOT(slotSelectTrack(int)));
 554         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 555         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 556         connect(header, SIGNAL(renameTrack(int, QString)), this, SLOT(slotRenameTrack(int, QString)));
 557         connect(header, SIGNAL(configTrack(int)), this, SIGNAL(configTrack(int)));
 558         connect(header, SIGNAL(addTrackInfo(const QDomElement, int)), m_trackview, SLOT(slotAddTrackEffect(const QDomElement, int)));
 559         connect(header, SIGNAL(showTrackEffects(int)), this, SLOT(slotShowTrackEffects(int)));
 560         headers_container->layout()->addWidget(header);
 561     }
 562     frame = new QFrame(this);
 563     frame->setFrameStyle(QFrame::HLine);
 564     frame->setFixedHeight(1);
 565     headers_container->layout()->addWidget(frame);
 566 }
 567
 568
 569 void TrackView::adjustTrackHeaders()
 570 {
 571     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 572     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 573     for (int i = 0; i < widgets.count(); i++) {
 574         if (widgets.at(i)) widgets.at(i)->adjustSize(height);
 575     }
 576 }
 577
 578 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked, QDomNodeList producers)
 579 {
 580     // parse track
 581     int position = 0;
 582     QMap <QString, QString> producerReplacementIds;
 583     QDomNodeList children = xml.childNodes();
 584     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 585         QDomNode n = children.item(nodeindex);
 586         QDomElement elem = n.toElement();
 587         if (elem.tagName() == "blank") {
 588             position += elem.attribute("length").toInt();
 589         } else if (elem.tagName() == "entry") {
 590             // Found a clip
 591             int in = elem.attribute("in").toInt();
 592             int out = elem.attribute("out").toInt();
 593             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
 594                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 595                 xml.removeChild(children.at(nodeindex));
 596                 nodeindex--;
 597                 continue;
 598             }
 599             QString idString = elem.attribute("producer");
 600             if (producerReplacementIds.contains(idString)) {
 601                 // replace id
 602                 elem.setAttribute("producer", producerReplacementIds.value(idString));
 603                 idString = elem.attribute("producer");
 604             }
 605             QString id = idString;
 606             double speed = 1.0;
 607             int strobe = 1;
 608             if (idString.startsWith("slowmotion")) {
 609                 id = idString.section(':', 1, 1);
 610                 speed = m_locale.toDouble(idString.section(':', 2, 2));
 611                 strobe = idString.section(':', 3, 3).toInt();
 612                 if (strobe == 0) strobe = 1;
 613             }
 614             id = id.section('_', 0, 0);
 615             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 616             if (clip == NULL) {
 617                 // The clip in playlist was not listed in the kdenlive producers,
 618                 // something went wrong, repair required.
 619                 kWarning() << "CANNOT INSERT CLIP " << id;
 620                 QString docRoot = m_doc->toXml().documentElement().attribute("root");
 621                 if (!docRoot.endsWith('/')) docRoot.append('/');
 622                 clip = getMissingProducer(idString);
 623                 if (clip) {
 624                     // We found the original producer in Kdenlive's producers
 625                     // Found correct producer
 626                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 627                     QString prodId = clip->getId();
 628                     if (clip->clipType() == PLAYLIST || clip->clipType() == AV || clip->clipType() == AUDIO) {
 629                         // We need producer for the track
 630                         prodId.append("_" + QString::number(ix));
 631                     }
 632                     elem.setAttribute("producer", prodId);
 633                     producerReplacementIds.insert(idString, prodId);
 634                     // now adjust the mlt producer
 635                     bool found = false;
 636                     for (int i = 0; i < producers.count(); i++) {
 637                         QDomElement prod = producers.at(i).toElement();
 638                         if (prod.attribute("id") == prodId) {
 639                             // ok, producer already exists
 640                             found = true;
 641                             break;
 642                         }
 643                     }
 644                     if (!found) {
 645                         for (int i = 0; i < producers.count(); i++) {
 646                             QDomElement prod = producers.at(i).toElement();
 647                             if (prod.attribute("id") == idString) {
 648                                 prod.setAttribute("id", prodId);
 649                                 m_replacementProducerIds.insert(idString, prodId);
 650                                 found = true;
 651                                 break;
 652                             }
 653                         }
 654                     }
 655                     if (!found) {
 656                         // We didn't find the producer for this track, find producer for another track and duplicate
 657                         for (int i = 0; i < producers.count(); i++) {
 658                             QDomElement prod = producers.at(i).toElement();
 659                             QString mltProdId = prod.attribute("id");
 660                             if (mltProdId == prodId || mltProdId.startsWith(prodId + "_")) {
 661                                 // Found parent producer, clone it
 662                                 QDomElement clone = prod.cloneNode().toElement();
 663                                 clone.setAttribute("id", prodId);
 664                                 m_doc->toXml().documentElement().insertBefore(clone, xml);
 665                                 break;
 666                             }
 667                         }
 668                     }
 669                 }
 670                 else {
 671                     // We cannot find the producer, something is really wrong, add
 672                     // placeholder color clip
 673                     QDomDocument doc;
 674                     QDomElement producerXml = doc.createElement("producer");
 675                     doc.appendChild(producerXml);
 676                     bool foundMltProd = false;
 677                     for (int i = 0; i < producers.count(); i++) {
 678                         QDomElement prod = producers.at(i).toElement();
 679                         if (prod.attribute("id") == id) {
 680                             QString service = EffectsList::property(prod, "mlt_service");
 681                             QString type = EffectsList::property(prod, "mlt_type");
 682                             QString resource = EffectsList::property(prod, "resource");
 683                             if (!resource.startsWith('/') && service != "colour") {
 684                                 resource.prepend(docRoot);
 685                                 kDebug()<<"******************\nADJUSTED 1\n*************************";
 686                             }
 687                             QString length = EffectsList::property(prod, "length");
 688                             producerXml.setAttribute("mlt_service", service);
 689                             producerXml.setAttribute("mlt_type", type);
 690                             producerXml.setAttribute("resource", resource);
 691                             producerXml.setAttribute("duration", length);
 692                             if (service == "colour") producerXml.setAttribute("type", COLOR);
 693                             else if (service == "qimage" || service == "pixbuf") producerXml.setAttribute("type", IMAGE);
 694                             else if (service == "kdenlivetitle") producerXml.setAttribute("type", TEXT);
 695                             else producerXml.setAttribute("type", AV);
 696                             clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 697                             m_doc->clipManager()->addClip(clip);
 698                             m_documentErrors.append(i18n("Broken clip producer %1, recreated base clip: %2", id, resource) + '\n');
 699                             foundMltProd = true;
 700                             break;
 701                         }
 702                     }
 703                     if (!foundMltProd) {
 704                         // Cannot recover, replace with blank
 705                         int duration = elem.attribute("out").toInt() - elem.attribute("in").toInt();
 706                         elem.setAttribute("length", duration);
 707                         elem.setTagName("blank");
 708                         m_documentErrors.append(i18n("Broken clip producer %1, removed from project", id) + '\n');
 709                     }
 710                 }
 711                 m_doc->setModified(true);
 712             }
 713
 714             if (clip != NULL) {
 715                 ItemInfo clipinfo;
 716                 clipinfo.startPos = GenTime(position, m_doc->fps());
 717                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 718                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 719                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
 720
 721                 clipinfo.track = ix;
 722                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 723                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
 724                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 725                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 726                 m_scene->addItem(item);
 727                 if (locked) item->setItemLocked(true);
 728                 clip->addReference();
 729                 position += (out - in + 1);
 730                 if (speed != 1.0 || strobe > 1) {
 731                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
 732                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
 733                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
 734                     item->addEffect(speedeffect, false);
 735                     item->effectsCounter();
 736                 }
 737
 738                 // parse clip effects
 739                 QDomNodeList effects = elem.elementsByTagName("filter");
 740                 slotAddProjectEffects(effects, elem, item, -1);
 741             }
 742         }
 743     }
 744     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 745     return position;
 746 }
 747
 748 void TrackView::slotAddProjectEffects(QDomNodeList effects, QDomElement parentNode, ClipItem *clip, int trackIndex)
 749 {
 750     int effectNb = 0;
 751     for (int ix = 0; ix < effects.count(); ix++) {
 752         bool disableeffect = false;
 753         QDomElement effect = effects.at(ix).toElement();
 754         if (effect.tagName() != "filter") continue;
 755         effectNb++;
 756         // add effect to clip
 757         QString effecttag;
 758         QString effectid;
 759         QString effectindex = QString::number(effectNb);
 760         // Get effect tag & index
 761         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 762             // parse effect parameters
 763             QDomElement effectparam = n3.toElement();
 764             if (effectparam.attribute("name") == "tag") {
 765                 effecttag = effectparam.text();
 766             } else if (effectparam.attribute("name") == "kdenlive_id") {
 767                 effectid = effectparam.text();
 768             } else if (effectparam.attribute("name") == "disable" && effectparam.text().toInt() == 1) {
 769                 // Fix effects index
 770                 disableeffect = true;
 771             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 772                 // Fix effects index
 773                 effectparam.firstChild().setNodeValue(effectindex);
 774             }
 775         }
 776         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 777         // get effect standard tags
 778         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 779         if (clipeffect.isNull()) {
 780             clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 781         }
 782         if (clipeffect.isNull()) {
 783             clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 784         }
 785         if (clipeffect.isNull()) {
 786             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 787             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 788             if (parentNode.removeChild(effects.at(ix)).isNull()) kDebug() << "///  PROBLEM REMOVING EFFECT: " << effecttag;
 789             ix--;
 790         } else {
 791             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 792             currenteffect.setAttribute("kdenlive_ix", effectindex);
 793             QDomNodeList clipeffectparams = currenteffect.childNodes();
 794
 795             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 796                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 797                 // effect is key-framable, read all effects to retrieve keyframes
 798                 QString factor;
 799                 QString starttag;
 800                 QString endtag;
 801                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 802                 for (int i = 0; i < params.count(); i++) {
 803                     QDomElement e = params.item(i).toElement();
 804                     if (e.attribute("type") == "keyframe") {
 805                         starttag = e.attribute("starttag", "start");
 806                         endtag = e.attribute("endtag", "end");
 807                         factor = e.attribute("factor", "1");
 808                         break;
 809                     }
 810                 }
 811                 QString keyframes;
 812                 int effectin = effect.attribute("in").toInt();
 813                 int effectout = effect.attribute("out").toInt();
 814                 double startvalue = 0;
 815                 double endvalue = 0;
 816                 double fact;
 817                 if (factor.isEmpty()) fact = 1;
 818                 else if (factor.contains('%')) {
 819                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 820                 } else fact = factor.toDouble();
 821                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 822                     // parse effect parameters
 823                     QDomElement effectparam = n3.toElement();
 824                     if (effectparam.attribute("name") == starttag)
 825                         startvalue = effectparam.text().toDouble() * fact;
 826                     if (effectparam.attribute("name") == endtag)
 827                         endvalue = effectparam.text().toDouble() * fact;
 828                 }
 829                 // add first keyframe
 830                 if (effectout <= effectin) {
 831                     // there is only one keyframe
 832                     keyframes.append(QString::number(effectin) + ':' + m_locale.toString(startvalue) + ';');
 833                 } else keyframes.append(QString::number(effectin) + ':' + m_locale.toString(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 834                 QDomNode lastParsedEffect;
 835                 ix++;
 836                 QDomNode n2 = effects.at(ix);
 837                 bool continueParsing = true;
 838                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 839                     // parse all effects
 840                     QDomElement kfreffect = n2.toElement();
 841                     int effectout = kfreffect.attribute("out").toInt();
 842
 843                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 844                         // parse effect parameters
 845                         QDomElement subeffectparam = n4.toElement();
 846                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 847                             //We are not in the same effect, stop parsing
 848                             lastParsedEffect = n2.previousSibling();
 849                             ix--;
 850                             continueParsing = false;
 851                             break;
 852                         } else if (subeffectparam.attribute("name") == endtag) {
 853                             endvalue = subeffectparam.text().toDouble() * fact;
 854                             break;
 855                         }
 856                     }
 857                     if (continueParsing) {
 858                         keyframes.append(QString::number(effectout) + ':' + m_locale.toString(endvalue) + ';');
 859                         ix++;
 860                     }
 861                 }
 862
 863                 params = currenteffect.elementsByTagName("parameter");
 864                 for (int i = 0; i < params.count(); i++) {
 865                     QDomElement e = params.item(i).toElement();
 866                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 867                 }
 868                 if (!continueParsing) {
 869                     n2 = lastParsedEffect;
 870                 }
 871             } else {
 872                 // Check if effect has in/out points
 873                 if (effect.hasAttribute("in")) {
 874                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 875                 }
 876                 if (effect.hasAttribute("out")) {
 877                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 878                 }
 879             }
 880
 881             // adjust effect parameters
 882             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 883                 // parse effect parameters
 884                 QDomElement effectparam = n3.toElement();
 885                 QString paramname = effectparam.attribute("name");
 886                 QString paramvalue = effectparam.text();
 887
 888                 // try to find this parameter in the effect xml
 889                 QDomElement e;
 890                 for (int k = 0; k < clipeffectparams.count(); k++) {
 891                     e = clipeffectparams.item(k).toElement();
 892                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 893                         QString type = e.attribute("type");
 894                         QString factor = e.attribute("factor", "1");
 895                         double fact;
 896                         if (factor.contains('%')) {
 897                             fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 898                         } else {
 899                             fact = factor.toDouble();
 900                         }
 901                         if (type == "simplekeyframe") {
 902                             QStringList kfrs = paramvalue.split(";");
 903                             for (int l = 0; l < kfrs.count(); l++) {
 904                                 QString fr = kfrs.at(l).section('=', 0, 0);
 905                                 double val = m_locale.toDouble(kfrs.at(l).section('=', 1, 1));
 906                                 //kfrs[l] = fr + ":" + m_locale.toString((int)(val * fact));
 907                                 kfrs[l] = fr + ":" + QString::number((int) (val * fact));
 908                             }
 909                             e.setAttribute("keyframes", kfrs.join(";"));
 910                         } else if (type == "double" || type == "constant") {
 911                             bool ok;
 912                             e.setAttribute("value", m_locale.toDouble(paramvalue, &ok) * fact);
 913                             if (!ok)
 914                                 e.setAttribute("value", paramvalue);
 915                         } else {
 916                             e.setAttribute("value", paramvalue);
 917                         }
 918                         break;
 919                     }
 920                 }
 921             }
 922
 923             if (disableeffect) currenteffect.setAttribute("disable", "1");
 924             if (clip)
 925                 clip->addEffect(currenteffect, false);
 926             else
 927                 m_doc->addTrackEffect(trackIndex, currenteffect);
 928         }
 929     }
 930 }
 931
 932
 933 DocClipBase *TrackView::getMissingProducer(const QString id) const
 934 {
 935     QDomElement missingXml;
 936     QDomDocument doc = m_doc->toXml();
 937     QString docRoot = doc.documentElement().attribute("root");
 938     if (!docRoot.endsWith('/')) docRoot.append('/');
 939     QDomNodeList prods = doc.elementsByTagName("producer");
 940     int maxprod = prods.count();
 941     bool slowmotionClip = false;
 942     for (int i = 0; i < maxprod; i++) {
 943         QDomNode m = prods.at(i);
 944         QString prodId = m.toElement().attribute("id");
 945         if (prodId.startsWith("slowmotion")) {
 946             slowmotionClip = true;
 947             prodId = prodId.section(':', 1, 1);
 948         }
 949         prodId = prodId.section('_', 0, 0);
 950         if (prodId == id) {
 951             missingXml =  m.toElement();
 952             break;
 953         }
 954     }
 955     if (missingXml == QDomElement()) {
 956         // Check if producer id was replaced in another track
 957         if (m_replacementProducerIds.contains(id)) {
 958             QString newId = m_replacementProducerIds.value(id);
 959             slowmotionClip = false;
 960             for (int i = 0; i < maxprod; i++) {
 961                 QDomNode m = prods.at(i);
 962                 QString prodId = m.toElement().attribute("id");
 963                 if (prodId.startsWith("slowmotion")) {
 964                     slowmotionClip = true;
 965                     prodId = prodId.section(':', 1, 1);
 966                 }
 967                 prodId = prodId.section('_', 0, 0);
 968                 if (prodId == id) {
 969                     missingXml =  m.toElement();
 970                     break;
 971                 }
 972             }
 973         }
 974     }
 975     if (missingXml == QDomElement()) return NULL;
 976     QString resource = EffectsList::property(missingXml, "resource");
 977     QString service = EffectsList::property(missingXml, "mlt_service");
 978
 979     if (slowmotionClip) resource = resource.section('?', 0, 0);
 980     // prepend MLT XML document root if no path in clip resource and not a color clip
 981     if (!resource.startsWith('/') && service != "colour") {
 982         resource.prepend(docRoot);
 983         kDebug()<<"******************\nADJUSTED 2\n*************************";
 984     }
 985     DocClipBase *missingClip = NULL;
 986     if (!resource.isEmpty()) {
 987         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
 988         if (!list.isEmpty()) missingClip = list.at(0);
 989     }
 990     return missingClip;
 991 }
 992
 993 QGraphicsScene *TrackView::projectScene()
 994 {
 995     return m_scene;
 996 }
 997
 998 CustomTrackView *TrackView::projectView()
 999 {
1000     return m_trackview;
1001 }
1002
1003 void TrackView::setEditMode(const QString & editMode)
1004 {
1005     m_editMode = editMode;
1006 }
1007
1008 const QString & TrackView::editMode() const
1009 {
1010     return m_editMode;
1011 }
1012
1013 void TrackView::slotChangeTrackLock(int ix, bool lock)
1014 {
1015     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
1016     widgets.at(ix)->setLock(lock);
1017 }
1018
1019
1020 void TrackView::slotVerticalZoomDown()
1021 {
1022     if (m_verticalZoom == 0) return;
1023     m_verticalZoom--;
1024     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
1025     if (m_verticalZoom == 0)
1026         m_trackview->setScale(m_scene->scale().x(), 0.5);
1027     else
1028         m_trackview->setScale(m_scene->scale().x(), 1);
1029     adjustTrackHeaders();
1030     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
1031 }
1032
1033 void TrackView::slotVerticalZoomUp()
1034 {
1035     if (m_verticalZoom == 2) return;
1036     m_verticalZoom++;
1037     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
1038     if (m_verticalZoom == 2)
1039         m_trackview->setScale(m_scene->scale().x(), 2);
1040     else
1041         m_trackview->setScale(m_scene->scale().x(), 1);
1042     adjustTrackHeaders();
1043     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
1044 }
1045
1046 void TrackView::updateProjectFps()
1047 {
1048     m_ruler->updateProjectFps(m_doc->timecode());
1049     m_trackview->updateProjectFps();
1050 }
1051
1052 void TrackView::slotRenameTrack(int ix, QString name)
1053 {
1054     int tracknumber = m_doc->tracksCount() - ix;
1055     QList <TrackInfo> tracks = m_doc->tracksList();
1056     tracks[tracknumber - 1].trackName = name;
1057     ConfigTracksCommand *configTracks = new ConfigTracksCommand(m_trackview, m_doc->tracksList(), tracks);
1058     m_doc->commandStack()->push(configTracks);
1059     m_doc->setModified(true);
1060 }
1061
1062 void TrackView::slotUpdateVerticalScroll(int /*min*/, int max)
1063 {
1064     int height = 0;
1065     if (max > 0) height = m_trackview->horizontalScrollBar()->height() - 1;
1066     headers_container->layout()->setContentsMargins(0, m_trackview->frameWidth(), 0, height);
1067 }
1068
1069 void TrackView::updateRuler()
1070 {
1071     m_ruler->update();
1072 }
1073
1074 void TrackView::slotShowTrackEffects(int ix)
1075 {
1076     m_trackview->clearSelection();
1077     emit showTrackEffects(m_doc->tracksCount() - ix, m_doc->trackInfoAt(m_doc->tracksCount() - ix - 1));
1078 }
1079
1080 void TrackView::slotUpdateTrackEffectState(int ix)
1081 {
1082     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
1083     if (ix < 0 || ix >= widgets.count()) {
1084         kDebug() << "ERROR, Trying to access a non existant track: " << ix;
1085         return;
1086     }
1087     widgets.at(m_doc->tracksCount() - ix - 1)->updateEffectLabel(m_doc->trackInfoAt(ix).effectsList.effectNames());
1088 }
1089
1090 void TrackView::slotSaveTimelinePreview(const QString path)
1091 {
1092     QImage img(width(), height(), QImage::Format_ARGB32_Premultiplied);
1093     img.fill(palette().base().color().rgb());
1094     QPainter painter(&img);
1095     render(&painter);
1096     painter.end();
1097     img = img.scaledToWidth(600, Qt::SmoothTransformation);
1098     img.save(path);
1099 }
1100
1101
1102 #include "trackview.moc"
1103
1104
1105