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