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 <QScrollBar>
  22
  23 #include <KDebug>
  24 #include <KMessageBox>
  25
  26 #include "definitions.h"
  27 #include "headertrack.h"
  28 #include "trackview.h"
  29 #include "clipitem.h"
  30 #include "transition.h"
  31 #include "kdenlivesettings.h"
  32 #include "clipmanager.h"
  33 #include "customruler.h"
  34 #include "kdenlivedoc.h"
  35 #include "mainwindow.h"
  36 #include "customtrackview.h"
  37
  38
  39 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent)
  40         : QWidget(parent), m_doc(doc), m_scale(1.0), m_projectTracks(0) {
  41
  42     view = new Ui::TimeLine_UI();
  43     view->setupUi(this);
  44
  45     m_scene = new CustomTrackScene(doc);
  46     m_trackview = new CustomTrackView(doc, m_scene, parent);
  47     m_trackview->scale(1, 1);
  48     m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
  49     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  50
  51     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  52     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  53     QHBoxLayout *layout = new QHBoxLayout;
  54     view->ruler_frame->setLayout(layout);
  55     int left_margin;
  56     int right_margin;
  57     layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
  58     layout->setContentsMargins(left_margin, 0, right_margin, 0);
  59     layout->addWidget(m_ruler);
  60
  61     QHBoxLayout *tracksLayout = new QHBoxLayout;
  62     tracksLayout->setContentsMargins(0, 0, 0, 0);
  63     view->tracks_frame->setLayout(tracksLayout);
  64
  65     view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  66     view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  67
  68     m_headersLayout = new QVBoxLayout;
  69     m_headersLayout->setContentsMargins(0, 0, 0, 0);
  70     m_headersLayout->setSpacing(0);
  71     view->headers_container->setLayout(m_headersLayout);
  72
  73     connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
  74
  75     tracksLayout->addWidget(m_trackview);
  76
  77     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
  78     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
  79
  80     parseDocument(m_doc->toXml());
  81
  82     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
  83     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
  84     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
  85     connect(m_trackview, SIGNAL(transitionItemSelected(Transition*, bool)), this, SLOT(slotTransitionItemSelected(Transition*, bool)));
  86     slotChangeZoom(m_doc->zoom());
  87 }
  88
  89
  90 int TrackView::duration() const {
  91     return m_trackview->duration();
  92 }
  93
  94 int TrackView::tracksNumber() const {
  95     return m_projectTracks - 1;
  96 }
  97
  98 int TrackView::inPoint() const {
  99     return m_ruler->inPoint();
 100 }
 101
 102 int TrackView::outPoint() const {
 103     return m_ruler->outPoint();
 104 }
 105
 106 void TrackView::slotSetZone(QPoint p) {
 107     m_ruler->setZone(p);
 108 }
 109
 110 void TrackView::slotTransitionItemSelected(Transition *t, bool update) {
 111     emit transitionItemSelected(t, update);
 112 }
 113
 114 void TrackView::setDuration(int dur) {
 115     m_trackview->setDuration(dur);
 116     m_ruler->setDuration(dur);
 117 }
 118
 119 void TrackView::parseDocument(QDomDocument doc) {
 120     int cursorPos = 0;
 121     m_documentErrors = QString();
 122     // kDebug() << "//// DOCUMENT: " << doc.toString();
 123     QDomNode props = doc.elementsByTagName("properties").item(0);
 124     if (!props.isNull()) {
 125         cursorPos = props.toElement().attribute("timeline_position").toInt();
 126     }
 127
 128     // parse project tracks
 129     QDomNodeList tracks = doc.elementsByTagName("track");
 130     QDomNodeList playlists = doc.elementsByTagName("playlist");
 131     int duration = 300;
 132     m_projectTracks = tracks.count();
 133     int trackduration = 0;
 134     QDomElement e;
 135     QDomElement p;
 136     bool videotrack;
 137
 138     int pos = m_projectTracks - 1;
 139
 140
 141     for (int i = 0; i < m_projectTracks; i++) {
 142         e = tracks.item(i).toElement();
 143         QString playlist_name = e.attribute("producer");
 144         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
 145             // find playlist related to this track
 146             p = QDomElement();
 147             for (int j = 0; j < m_projectTracks; j++) {
 148                 p = playlists.item(j).toElement();
 149                 if (p.attribute("id") == playlist_name) break;
 150             }
 151             videotrack = (e.attribute("hide") != "video");
 152             trackduration = slotAddProjectTrack(pos, p, videotrack);
 153             pos--;
 154             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 155             if (trackduration > duration) duration = trackduration;
 156         } else {
 157             // background black track
 158             for (int j = 0; j < m_projectTracks; j++) {
 159                 p = playlists.item(j).toElement();
 160                 if (p.attribute("id") == playlist_name) break;
 161             }
 162             int black_clips = p.childNodes().count();
 163             for (int i = 0; i < black_clips; i++)
 164                 m_doc->loadingProgressed();
 165             qApp->processEvents();
 166             pos--;
 167         }
 168     }
 169
 170     // parse transitions
 171     QDomNodeList transitions = doc.elementsByTagName("transition");
 172     int projectTransitions = transitions.count();
 173     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 174     for (int i = 0; i < projectTransitions; i++) {
 175         e = transitions.item(i).toElement();
 176         QDomNodeList transitionparams = e.childNodes();
 177         bool transitionAdd = true;
 178         int a_track = 0;
 179         int b_track = 0;
 180         bool isAutomatic = false;
 181         bool forceTrack = false;
 182         QString mlt_geometry;
 183         QString mlt_service;
 184         for (int k = 0; k < transitionparams.count(); k++) {
 185             p = transitionparams.item(k).toElement();
 186             if (!p.isNull()) {
 187                 QString paramName = p.attribute("name");
 188                 // do not add audio mixing transitions
 189                 if (paramName == "internal_added" && p.text() == "237") {
 190                     transitionAdd = false;
 191                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 192                     //break;
 193                 } else if (paramName == "a_track") a_track = p.text().toInt();
 194                 else if (paramName == "b_track") b_track = p.text().toInt();
 195                 else if (paramName == "mlt_service") mlt_service = p.text();
 196                 else if (paramName == "geometry") mlt_geometry = p.text();
 197                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 198                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 199             }
 200         }
 201         if (transitionAdd || mlt_service != "mix") {
 202             // Transition should be added to the scene
 203             ItemInfo transitionInfo;
 204             QString transitionId;
 205             if (mlt_service == "composite") {
 206                 // When adding composite transition, check if it is a wipe transition
 207                 if (mlt_geometry == "0%,0%:100%x100%") transitionId = "alphatransparency";
 208                 else if (mlt_geometry.count(';') == 1) {
 209                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 210                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 211                     QString start = mlt_geometry.section(';', 0, 0);
 212                     start = start.section(':', 0, 1);
 213                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 214                     QString end = mlt_geometry.section('=', 1, 1);
 215                     end = end.section(':', 0, 1);
 216                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 217                     start.append(',' + end);
 218                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 219                     bool isWipeTransition = true;
 220                     int checkNumber;
 221                     for (int i = 0; i < numbers.size(); ++i) {
 222                         checkNumber = qAbs(numbers.at(i).toInt());
 223                         if (checkNumber != 0 && checkNumber != 100) {
 224                             isWipeTransition = false;
 225                             break;
 226                         }
 227                     }
 228                     if (isWipeTransition) transitionId = "wipe";
 229                 }
 230             }
 231             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 232
 233             for (int k = 0; k < transitionparams.count(); k++) {
 234                 p = transitionparams.item(k).toElement();
 235                 if (!p.isNull()) {
 236                     QString paramName = p.attribute("name");
 237                     QString paramValue = p.text();
 238
 239                     QDomNodeList params = base.elementsByTagName("parameter");
 240                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 241                             QDomElement e = params.item(i).toElement();
 242                             if (!e.isNull() && e.attribute("tag") == paramName) {
 243                                 if (e.attribute("type") == "double") {
 244                                     QString factor = e.attribute("factor", "1");
 245                                     if (factor != "1") {
 246                                         double val = paramValue.toDouble() * factor.toDouble();
 247                                         paramValue = QString::number(val);
 248                                     }
 249                                 }
 250                                 e.setAttribute("value", paramValue);
 251                                 break;
 252                             }
 253                         }
 254                 }
 255             }
 256
 257             /*QDomDocument doc;
 258             doc.appendChild(doc.importNode(base, true));
 259             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 260
 261             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 262             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 263             transitionInfo.track = m_projectTracks - 1 - b_track;
 264             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 265             Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 266             if (forceTrack) tr->setForcedTrack(true, a_track);
 267             m_scene->addItem(tr);
 268         }
 269     }
 270
 271     // Add guides
 272     QDomNodeList guides = doc.elementsByTagName("guide");
 273     for (int i = 0; i < guides.count(); i++) {
 274         e = guides.item(i).toElement();
 275         const QString comment = e.attribute("comment");
 276         const GenTime pos = GenTime(e.attribute("time").toDouble());
 277         m_trackview->addGuide(pos, comment);
 278     }
 279
 280     m_trackview->setDuration(duration);
 281     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 282     slotRebuildTrackHeaders();
 283     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 284     //m_trackview->setCursorPos(cursorPos);
 285     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 286 }
 287
 288 void TrackView::slotDeleteClip(const QString &clipId) {
 289     m_trackview->deleteClip(clipId);
 290 }
 291
 292 void TrackView::setCursorPos(int pos) {
 293     m_trackview->setCursorPos(pos);
 294 }
 295
 296 void TrackView::moveCursorPos(int pos) {
 297     m_trackview->setCursorPos(pos, false);
 298 }
 299
 300 void TrackView::slotChangeZoom(int factor) {
 301     m_doc->setZoom(factor);
 302     m_ruler->setPixelPerMark(factor);
 303     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
 304     m_trackview->setScale(m_scale);
 305 }
 306
 307 int TrackView::fitZoom() const {
 308     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 309     int i;
 310     for (i = 0; i < 13; i++)
 311         if (m_ruler->comboScale[i] > zoom) break;
 312     return i;
 313 }
 314
 315 const double TrackView::zoomFactor() const {
 316     return m_scale;
 317 }
 318
 319 const int TrackView::mapLocalToValue(int x) const {
 320     return (int)(x * zoomFactor());
 321 }
 322
 323 KdenliveDoc *TrackView::document() {
 324     return m_doc;
 325 }
 326
 327 void TrackView::refresh() {
 328     m_trackview->viewport()->update();
 329 }
 330
 331 void TrackView::slotRebuildTrackHeaders() {
 332     QList <TrackInfo> list = m_trackview->tracksList();
 333     QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
 334     for (int i = 0; i < widgets.count(); i++)
 335         delete widgets.at(i);
 336     int max = list.count();
 337     for (int i = 0; i < max; i++) {
 338         HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
 339         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 340         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 341         /*
 342         //TODO: re-enable when add / remove track is implemented
 343         connect(header, SIGNAL(deleteTrack(int)), m_trackview, SLOT(slotDeleteTrack(int)));
 344         connect(header, SIGNAL(insertTrack(int)), m_trackview, SLOT(slotInsertTrack(int)));*/
 345         m_headersLayout->addWidget(header);
 346     }
 347     view->headers_container->adjustSize();
 348 }
 349
 350 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool videotrack) {
 351     TrackInfo info;
 352
 353     if (videotrack) {
 354         info.type = VIDEOTRACK;
 355         info.isMute = false;
 356         info.isBlind = false;
 357     } else {
 358         info.type = AUDIOTRACK;
 359         info.isMute = false;
 360         info.isBlind = false;
 361     }
 362
 363     m_trackview->addTrack(info);
 364
 365     int trackTop = KdenliveSettings::trackheight() * ix;
 366     // parse track
 367     int position = 0;
 368     for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
 369         QDomElement elem = n.toElement();
 370         if (elem.tagName() == "blank") {
 371             position += elem.attribute("length").toInt();
 372         } else if (elem.tagName() == "entry") {
 373             m_doc->loadingProgressed();
 374             qApp->processEvents();
 375             // Found a clip
 376             int in = elem.attribute("in").toInt();
 377             QString idString = elem.attribute("producer");
 378             QString id = idString;
 379             bool hasSpeedAttribute = false;
 380             double speed;
 381             if (idString.startsWith("slowmotion")) {
 382                 hasSpeedAttribute = true;
 383                 id = idString.section(":", 1, 1);
 384                 speed = idString.section(":", 2, 2).toDouble();
 385             } else id = id.section('_', 0, 0);
 386             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 387             if (clip != NULL) {
 388                 int out = elem.attribute("out").toInt();
 389
 390                 ItemInfo clipinfo;
 391                 clipinfo.startPos = GenTime(position, m_doc->fps());
 392                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 393                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 394                 clipinfo.track = ix;
 395                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 396                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), false);
 397                 if (hasSpeedAttribute) item->setSpeed(speed);
 398                 m_scene->addItem(item);
 399                 clip->addReference();
 400                 position += (out - in + 1);
 401
 402                 // parse clip effects
 403                 QDomNodeList effects = elem.childNodes();
 404                 for (int ix = 0; ix < effects.count(); ix++) {
 405                     QDomElement effect = effects.at(ix).toElement();
 406                     if (effect.tagName() == "filter") {
 407                         // add effect to clip
 408                         QString effecttag;
 409                         QString effectid;
 410                         QString effectindex;
 411                         // Get effect tag & index
 412                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 413                             // parse effect parameters
 414                             QDomElement effectparam = n3.toElement();
 415                             if (effectparam.attribute("name") == "tag") {
 416                                 effecttag = effectparam.text();
 417                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 418                                 effectid = effectparam.text();
 419                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 420                                 effectindex = effectparam.text();
 421                             }
 422                         }
 423                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 424                         // get effect standard tags
 425                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 426                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 427                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 428                         if (clipeffect.isNull()) {
 429                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 430                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 431                             elem.removeChild(effects.at(ix));
 432                             ix--;
 433                         } else {
 434                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 435                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 436                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 437
 438                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 439                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 440                                 // effect is key-framable, read all effects to retrieve keyframes
 441                                 double factor;
 442                                 QString starttag;
 443                                 QString endtag;
 444                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 445                                 for (int i = 0; i < params.count(); i++) {
 446                                     QDomElement e = params.item(i).toElement();
 447                                     if (e.attribute("type") == "keyframe") {
 448                                         starttag = e.attribute("starttag", "start");
 449                                         endtag = e.attribute("endtag", "end");
 450                                         factor = e.attribute("factor", "1").toDouble();
 451                                         break;
 452                                     }
 453                                 }
 454                                 QString keyframes;
 455                                 int effectin = effect.attribute("in").toInt();
 456                                 int effectout = effect.attribute("out").toInt();
 457                                 double startvalue;
 458                                 double endvalue;
 459                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 460                                     // parse effect parameters
 461                                     QDomElement effectparam = n3.toElement();
 462                                     if (effectparam.attribute("name") == starttag)
 463                                         startvalue = effectparam.text().toDouble() * factor;
 464                                     if (effectparam.attribute("name") == endtag)
 465                                         endvalue = effectparam.text().toDouble() * factor;
 466                                 }
 467                                 // add first keyframe
 468                                 keyframes.append(QString::number(effectin) + ":" + QString::number(startvalue) + ";" + QString::number(effectout) + ":" + QString::number(endvalue) + ";");
 469                                 QDomNode lastParsedEffect;
 470                                 ix++;
 471                                 QDomNode n2 = effects.at(ix);
 472                                 bool continueParsing = true;
 473                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 474                                     // parse all effects
 475                                     QDomElement kfreffect = n2.toElement();
 476                                     int effectout = kfreffect.attribute("out").toInt();
 477
 478                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 479                                         // parse effect parameters
 480                                         QDomElement subeffectparam = n4.toElement();
 481                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 482                                             //We are not in the same effect, stop parsing
 483                                             lastParsedEffect = n2.previousSibling();
 484                                             ix--;
 485                                             continueParsing = false;
 486                                             break;
 487                                         } else if (subeffectparam.attribute("name") == endtag) {
 488                                             endvalue = subeffectparam.text().toDouble() * factor;
 489                                             break;
 490                                         }
 491                                     }
 492                                     if (continueParsing) {
 493                                         keyframes.append(QString::number(effectout) + ":" + QString::number(endvalue) + ";");
 494                                         ix++;
 495                                     }
 496                                 }
 497
 498                                 params = currenteffect.elementsByTagName("parameter");
 499                                 for (int i = 0; i < params.count(); i++) {
 500                                     QDomElement e = params.item(i).toElement();
 501                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 502                                 }
 503                                 if (!continueParsing) {
 504                                     n2 = lastParsedEffect;
 505                                 }
 506                             } else {
 507                                 // Check if effect has in/out points
 508                                 if (effect.hasAttribute("in")) {
 509                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 510                                 }
 511                                 if (effect.hasAttribute("out")) {
 512                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 513                                 }
 514                             }
 515
 516                             // adjust effect parameters
 517                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 518                                 // parse effect parameters
 519                                 QDomElement effectparam = n3.toElement();
 520                                 QString paramname = effectparam.attribute("name");
 521                                 QString paramvalue = effectparam.text();
 522
 523                                 // try to find this parameter in the effect xml
 524                                 QDomElement e;
 525                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 526                                     e = clipeffectparams.item(k).toElement();
 527                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 528                                         e.setAttribute("value", paramvalue);
 529                                         break;
 530                                     }
 531                                 }
 532                             }
 533                             item->addEffect(currenteffect, false);
 534                             item->effectsCounter();
 535                         }
 536                     }
 537                 }
 538             } else kWarning() << "CANNOT INSERT CLIP " << id;
 539             //m_clipList.append(clip);
 540         }
 541     }
 542     //m_trackDuration = position;
 543
 544
 545     //documentTracks.insert(ix, track);
 546     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 547     return position;
 548     //track->show();
 549 }
 550
 551 QGraphicsScene *TrackView::projectScene() {
 552     return m_scene;
 553 }
 554
 555 CustomTrackView *TrackView::projectView() {
 556     return m_trackview;
 557 }
 558
 559 void TrackView::setEditMode(const QString & editMode) {
 560     m_editMode = editMode;
 561 }
 562
 563 const QString & TrackView::editMode() const {
 564     return m_editMode;
 565 }
 566
 567
 568
 569 #include "trackview.moc"