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 "definitions.h"
  23 #include "headertrack.h"
  24 #include "clipitem.h"
  25 #include "transition.h"
  26 #include "kdenlivesettings.h"
  27 #include "clipmanager.h"
  28 #include "customruler.h"
  29 #include "kdenlivedoc.h"
  30 #include "mainwindow.h"
  31 #include "customtrackview.h"
  32 #include "initeffects.h"
  33 #include "profilesdialog.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     //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
  58
  59     m_ruler = new CustomRuler(doc->timecode(), m_trackview);
  60     connect(m_ruler, SIGNAL(zoneMoved(int, int)), this, SIGNAL(zoneMoved(int, int)));
  61     connect(m_ruler, SIGNAL(adjustZoom(int)), this, SIGNAL(setZoom(int)));
  62     QHBoxLayout *layout = new QHBoxLayout;
  63     layout->setContentsMargins(m_trackview->frameWidth(), 0, 0, 0);
  64     layout->setSpacing(0);
  65     ruler_frame->setLayout(layout);
  66     layout->addWidget(m_ruler);
  67
  68     QHBoxLayout *sizeLayout = new QHBoxLayout;
  69     sizeLayout->setContentsMargins(0, 0, 0, 0);
  70     sizeLayout->setSpacing(0);
  71     size_frame->setLayout(sizeLayout);
  72
  73     QToolButton *butSmall = new QToolButton(this);
  74     butSmall->setIcon(KIcon("kdenlive-zoom-small"));
  75     butSmall->setToolTip(i18n("Smaller tracks"));
  76     butSmall->setAutoRaise(true);
  77     connect(butSmall, SIGNAL(clicked()), this, SLOT(slotVerticalZoomDown()));
  78     sizeLayout->addWidget(butSmall);
  79
  80     QToolButton *butLarge = new QToolButton(this);
  81     butLarge->setIcon(KIcon("kdenlive-zoom-large"));
  82     butLarge->setToolTip(i18n("Bigger tracks"));
  83     butLarge->setAutoRaise(true);
  84     connect(butLarge, SIGNAL(clicked()), this, SLOT(slotVerticalZoomUp()));
  85     sizeLayout->addWidget(butLarge);
  86
  87     QHBoxLayout *tracksLayout = new QHBoxLayout;
  88     tracksLayout->setContentsMargins(0, 0, 0, 0);
  89     tracksLayout->setSpacing(0);
  90     tracks_frame->setLayout(tracksLayout);
  91
  92     headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  93     headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  94     headers_area->setFixedWidth(70);
  95
  96     QVBoxLayout *headersLayout = new QVBoxLayout;
  97     headersLayout->setContentsMargins(0, m_trackview->frameWidth(), 0, 0);
  98     headersLayout->setSpacing(0);
  99     headers_container->setLayout(headersLayout);
 100     connect(headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
 101
 102     tracksLayout->addWidget(m_trackview);
 103     connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), headers_area->verticalScrollBar(), SLOT(setValue(int)));
 104     connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
 105     connect(m_trackview, SIGNAL(tracksChanged()), this, SLOT(slotReloadTracks()));
 106     connect(m_trackview, SIGNAL(updateTrackHeaders()), this, SLOT(slotRepaintTracks()));
 107
 108     parseDocument(m_doc->toXml());
 109     int error = m_doc->setSceneList();
 110     if (error == -1) *ok = false;
 111     else *ok = true;
 112     connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
 113     connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
 114     connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
 115     connect(m_trackview, SIGNAL(doTrackLock(int, bool)), this, SLOT(slotChangeTrackLock(int, bool)));
 116
 117     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
 118     slotSetZone(m_doc->zone());
 119 }
 120
 121 TrackView::~TrackView()
 122 {
 123     delete m_ruler;
 124     delete m_trackview;
 125 }
 126
 127 //virtual
 128 void TrackView::keyPressEvent(QKeyEvent * event)
 129 {
 130     if (event->key() == Qt::Key_Up) {
 131         m_trackview->slotTrackUp();
 132         event->accept();
 133     } else if (event->key() == Qt::Key_Down) {
 134         m_trackview->slotTrackDown();
 135         event->accept();
 136     } else QWidget::keyPressEvent(event);
 137 }
 138
 139 int TrackView::duration() const
 140 {
 141     return m_trackview->duration();
 142 }
 143
 144 int TrackView::tracksNumber() const
 145 {
 146     return m_projectTracks - 1;
 147 }
 148
 149 int TrackView::inPoint() const
 150 {
 151     return m_ruler->inPoint();
 152 }
 153
 154 int TrackView::outPoint() const
 155 {
 156     return m_ruler->outPoint();
 157 }
 158
 159 void TrackView::slotSetZone(QPoint p)
 160 {
 161     m_ruler->setZone(p);
 162 }
 163
 164 void TrackView::setDuration(int dur)
 165 {
 166     m_trackview->setDuration(dur);
 167     m_ruler->setDuration(dur);
 168 }
 169
 170 void TrackView::parseDocument(QDomDocument doc)
 171 {
 172     //int cursorPos = 0;
 173     m_documentErrors.clear();
 174
 175     //kDebug() << "//// DOCUMENT: " << doc.toString();
 176     /*QDomNode props = doc.elementsByTagName("properties").item(0);
 177     if (!props.isNull()) {
 178         cursorPos = props.toElement().attribute("timeline_position").toInt();
 179     }*/
 180
 181     // parse project tracks
 182     QDomElement tractor = doc.elementsByTagName("tractor").item(0).toElement();
 183     QDomNodeList tracks = doc.elementsByTagName("track");
 184     QDomNodeList playlists = doc.elementsByTagName("playlist");
 185     int duration = 300;
 186     m_projectTracks = tracks.count();
 187     int trackduration = 0;
 188     QDomElement e;
 189     QDomElement p;
 190
 191     int pos = m_projectTracks - 1;
 192     m_invalidProducers.clear();
 193     QDomNodeList producers = doc.elementsByTagName("producer");
 194     for (int i = 0; i < producers.count(); i++) {
 195         // Check for invalid producers
 196         QDomNode n = producers.item(i);
 197         e = n.toElement();
 198
 199         /*
 200         // Check for invalid markup
 201         QDomNodeList params = e.elementsByTagName("property");
 202         for (int j = 0; j < params.count(); j++) {
 203             QDomElement p = params.item(j).toElement();
 204             if (p.attribute("name") == "markup") {
 205          QString val = p.text().toUtf8().data();
 206          kDebug()<<"//FOUND MARKUP, VAL: "<<val;
 207          //e.setAttribute("value", value);
 208          n.removeChild(params.item(j));
 209          break;
 210             }
 211         }
 212         */
 213
 214         if (e.hasAttribute("in") == false && e.hasAttribute("out") == false) continue;
 215         int in = e.attribute("in").toInt();
 216         int out = e.attribute("out").toInt();
 217         if (in > out || in == out) {
 218             // invalid producer, remove it
 219             QString id = e.attribute("id");
 220             m_invalidProducers.append(id);
 221             m_documentErrors.append(i18n("Invalid clip producer %1\n", id));
 222             doc.documentElement().removeChild(producers.at(i));
 223             i--;
 224         }
 225     }
 226
 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) break;
 236             }
 237             if (p.attribute("id") != playlist_name) { // then it didn't work.
 238                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
 239             }
 240             if (e.attribute("hide") == "video") {
 241                 m_doc->switchTrackVideo(i - 1, true);
 242             } else if (e.attribute("hide") == "audio") {
 243                 m_doc->switchTrackAudio(i - 1, true);
 244             } else if (e.attribute("hide") == "both") {
 245                 m_doc->switchTrackVideo(i - 1, true);
 246                 m_doc->switchTrackAudio(i - 1, true);
 247             }
 248
 249             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1));
 250             pos--;
 251             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
 252             if (trackduration > duration) duration = trackduration;
 253         } else {
 254             // background black track
 255             for (int j = 0; j < m_projectTracks; j++) {
 256                 p = playlists.item(j).toElement();
 257                 if (p.attribute("id") == playlist_name) break;
 258             }
 259             pos--;
 260         }
 261     }
 262
 263     // parse transitions
 264     QDomNodeList transitions = doc.elementsByTagName("transition");
 265
 266     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
 267     for (int i = 0; i < transitions.count(); i++) {
 268         e = transitions.item(i).toElement();
 269         QDomNodeList transitionparams = e.childNodes();
 270         bool transitionAdd = true;
 271         int a_track = 0;
 272         int b_track = 0;
 273         bool isAutomatic = false;
 274         bool forceTrack = false;
 275         QString mlt_geometry;
 276         QString mlt_service;
 277         QString transitionId;
 278         for (int k = 0; k < transitionparams.count(); k++) {
 279             p = transitionparams.item(k).toElement();
 280             if (!p.isNull()) {
 281                 QString paramName = p.attribute("name");
 282                 // do not add audio mixing transitions
 283                 if (paramName == "internal_added" && p.text() == "237") {
 284                     transitionAdd = false;
 285                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
 286                     //break;
 287                 } else if (paramName == "a_track") {
 288                     a_track = qMax(0, p.text().toInt());
 289                     a_track = qMin(m_projectTracks - 1, a_track);
 290                     if (a_track != p.text().toInt()) {
 291                         // the transition track was out of bounds
 292                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
 293                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
 294                     }
 295                 } else if (paramName == "b_track") {
 296                     b_track = qMax(0, p.text().toInt());
 297                     b_track = qMin(m_projectTracks - 1, b_track);
 298                     if (b_track != p.text().toInt()) {
 299                         // the transition track was out of bounds
 300                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
 301                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
 302                     }
 303                 } else if (paramName == "mlt_service") mlt_service = p.text();
 304                 else if (paramName == "kdenlive_id") transitionId = p.text();
 305                 else if (paramName == "geometry") mlt_geometry = p.text();
 306                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
 307                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
 308             }
 309         }
 310         if (a_track == b_track || b_track == 0) {
 311             // invalid transition, remove it
 312             m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 313             tractor.removeChild(transitions.item(i));
 314             i--;
 315             continue;
 316         }
 317         if (transitionAdd || mlt_service != "mix") {
 318             // Transition should be added to the scene
 319             ItemInfo transitionInfo;
 320             if (mlt_service == "composite" && transitionId.isEmpty()) {
 321                 // When adding composite transition, check if it is a wipe transition
 322                 if (mlt_geometry.count(';') == 1) {
 323                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
 324                     mlt_geometry.replace(QChar('x'), QChar(','), Qt::CaseInsensitive);
 325                     QString start = mlt_geometry.section(';', 0, 0);
 326                     start = start.section(':', 0, 1);
 327                     start.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 328                     QString end = mlt_geometry.section('=', 1, 1);
 329                     end = end.section(':', 0, 1);
 330                     end.replace(QChar(':'), QChar(','), Qt::CaseInsensitive);
 331                     start.append(',' + end);
 332                     QStringList numbers = start.split(',', QString::SkipEmptyParts);
 333                     bool isWipeTransition = true;
 334                     int checkNumber;
 335                     for (int i = 0; i < numbers.size(); ++i) {
 336                         checkNumber = qAbs(numbers.at(i).toInt());
 337                         if (checkNumber != 0 && checkNumber != 100) {
 338                             isWipeTransition = false;
 339                             break;
 340                         }
 341                     }
 342                     if (isWipeTransition) transitionId = "slide";
 343                 }
 344             }
 345             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
 346
 347             for (int k = 0; k < transitionparams.count(); k++) {
 348                 p = transitionparams.item(k).toElement();
 349                 if (!p.isNull()) {
 350                     QString paramName = p.attribute("name");
 351                     QString paramValue = p.text();
 352
 353                     QDomNodeList params = base.elementsByTagName("parameter");
 354                     if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
 355                             QDomElement e = params.item(i).toElement();
 356                             if (!e.isNull() && e.attribute("tag") == paramName) {
 357                                 if (e.attribute("type") == "double") {
 358                                     QString factor = e.attribute("factor", "1");
 359                                     if (factor != "1") {
 360                                         double fact;
 361                                         if (factor.startsWith('%')) {
 362                                             fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 363                                         } else fact = factor.toDouble();
 364                                         double val = paramValue.toDouble() * fact;
 365                                         paramValue = QString::number(val);
 366                                     }
 367                                 }
 368                                 e.setAttribute("value", paramValue);
 369                                 break;
 370                             }
 371                         }
 372                 }
 373             }
 374
 375             /*QDomDocument doc;
 376             doc.appendChild(doc.importNode(base, true));
 377             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
 378
 379             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
 380             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
 381             transitionInfo.track = m_projectTracks - 1 - b_track;
 382
 383             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
 384             if (transitionInfo.startPos >= transitionInfo.endPos) {
 385                 // invalid transition, remove it.
 386                 m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
 387                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
 388                 tractor.removeChild(transitions.item(i));
 389                 i--;
 390             } else {
 391                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
 392                 if (forceTrack) tr->setForcedTrack(true, a_track);
 393                 m_scene->addItem(tr);
 394                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
 395                     tr->setItemLocked(true);
 396                 }
 397             }
 398         }
 399     }
 400
 401     // Add guides
 402     QDomNodeList guides = doc.elementsByTagName("guide");
 403     for (int i = 0; i < guides.count(); i++) {
 404         e = guides.item(i).toElement();
 405         const QString comment = e.attribute("comment");
 406         const GenTime pos = GenTime(e.attribute("time").toDouble());
 407         m_trackview->addGuide(pos, comment);
 408     }
 409
 410     // Rebuild groups
 411     QDomNodeList groups = doc.elementsByTagName("group");
 412     m_trackview->loadGroups(groups);
 413     m_trackview->setDuration(duration);
 414     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
 415
 416     // Remove Kdenlive extra info from xml doc before sending it to MLT
 417     QDomElement mlt = doc.firstChildElement("mlt");
 418     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
 419     mlt.removeChild(infoXml);
 420
 421     slotRebuildTrackHeaders();
 422     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
 423     if (infoXml.hasAttribute("upgraded")) {
 424         // Our document was upgraded, create a backup copy just in case
 425         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
 426         int ct = 0;
 427         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 428         while (QFile::exists(backupFile)) {
 429             ct++;
 430             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
 431         }
 432         if (KIO::NetAccess::file_copy(m_doc->url(), KUrl(backupFile), this)) KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version.\n To make sure you don't lose data, a backup copy called %1 was created.", backupFile));
 433         else KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version, it was not possible to create a backup copy.", backupFile));
 434     }
 435     //m_trackview->setCursorPos(cursorPos);
 436     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 437 }
 438
 439 void TrackView::slotDeleteClip(const QString &clipId)
 440 {
 441     m_trackview->deleteClip(clipId);
 442 }
 443
 444 void TrackView::setCursorPos(int pos)
 445 {
 446     m_trackview->setCursorPos(pos);
 447 }
 448
 449 void TrackView::moveCursorPos(int pos)
 450 {
 451     m_trackview->setCursorPos(pos, false);
 452 }
 453
 454 void TrackView::slotChangeZoom(int horizontal, int vertical)
 455 {
 456     m_ruler->setPixelPerMark(horizontal);
 457     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
 458
 459     if (vertical == -1) {
 460         // user called zoom
 461         m_doc->setZoom(horizontal, m_verticalZoom);
 462         m_trackview->setScale(m_scale, m_scene->scale().y());
 463     } else {
 464         m_verticalZoom = vertical;
 465         if (m_verticalZoom == 0) m_trackview->setScale(m_scale, 0.5);
 466         else m_trackview->setScale(m_scale, m_verticalZoom);
 467         adjustTrackHeaders();
 468     }
 469 }
 470
 471 int TrackView::fitZoom() const
 472 {
 473     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
 474     int i;
 475     for (i = 0; i < 13; i++)
 476         if (m_ruler->comboScale[i] > zoom) break;
 477     return i;
 478 }
 479
 480 KdenliveDoc *TrackView::document()
 481 {
 482     return m_doc;
 483 }
 484
 485 void TrackView::refresh()
 486 {
 487     m_trackview->viewport()->update();
 488 }
 489
 490 void TrackView::slotRepaintTracks()
 491 {
 492     QLayoutItem *child;
 493     for (int i = 0; i < headers_container->layout()->count(); i++) {
 494         child = headers_container->layout()->itemAt(i);
 495         if (child->widget() && child->widget()->height() > 5) {
 496             HeaderTrack *head = static_cast <HeaderTrack *>(child->widget());
 497             if (head) head->setSelectedIndex(m_trackview->selectedTrack());
 498         }
 499     }
 500 }
 501
 502 void TrackView::slotReloadTracks()
 503 {
 504     slotRebuildTrackHeaders();
 505     emit updateTracksInfo();
 506 }
 507
 508 void TrackView::slotRebuildTrackHeaders()
 509 {
 510     const QList <TrackInfo> list = m_doc->tracksList();
 511     QLayoutItem *child;
 512     while ((child = headers_container->layout()->takeAt(0)) != 0) {
 513         QWidget *wid = child->widget();
 514         delete child;
 515         if (wid) wid->deleteLater();
 516     }
 517     int max = list.count();
 518     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 519     HeaderTrack *header = NULL;
 520     QFrame *frame = NULL;
 521     for (int i = 0; i < max; i++) {
 522         frame = new QFrame(headers_container);
 523         frame->setFixedHeight(1);
 524         frame->setFrameStyle(QFrame::Plain);
 525         frame->setFrameShape(QFrame::Box);
 526         frame->setLineWidth(1);
 527         headers_container->layout()->addWidget(frame);
 528         TrackInfo info = list.at(max - i - 1);
 529         header = new HeaderTrack(i, info, height, headers_container);
 530         header->setSelectedIndex(m_trackview->selectedTrack());
 531         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
 532         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
 533         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
 534         connect(header, SIGNAL(selectTrack(int)), m_trackview, SLOT(slotSelectTrack(int)));
 535         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
 536         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
 537         connect(header, SIGNAL(changeTrack(int)), this, SIGNAL(changeTrack(int)));
 538         connect(header, SIGNAL(renameTrack(int)), this, SLOT(slotRenameTrack(int)));
 539         headers_container->layout()->addWidget(header);
 540     }
 541     frame = new QFrame(this);
 542     frame->setFixedHeight(1);
 543     frame->setFrameStyle(QFrame::Plain);
 544     frame->setFrameShape(QFrame::Box);
 545     frame->setLineWidth(1);
 546     headers_container->layout()->addWidget(frame);
 547 }
 548
 549
 550 void TrackView::adjustTrackHeaders()
 551 {
 552     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
 553     QLayoutItem *child;
 554     for (int i = 0; i < headers_container->layout()->count(); i++) {
 555         child = headers_container->layout()->itemAt(i);
 556         if (child->widget() && child->widget()->height() > 5)(static_cast <HeaderTrack *>(child->widget()))->adjustSize(height);
 557     }
 558 }
 559
 560 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked)
 561 {
 562     // parse track
 563     int position = 0;
 564     QDomNodeList children = xml.childNodes();
 565     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
 566         QDomNode n = children.item(nodeindex);
 567         QDomElement elem = n.toElement();
 568         if (elem.tagName() == "blank") {
 569             position += elem.attribute("length").toInt();
 570         } else if (elem.tagName() == "entry") {
 571             // Found a clip
 572             int in = elem.attribute("in").toInt();
 573             int out = elem.attribute("out").toInt();
 574             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
 575                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
 576                 xml.removeChild(children.at(nodeindex));
 577                 nodeindex--;
 578                 continue;
 579             }
 580             QString idString = elem.attribute("producer");
 581             QString id = idString;
 582             double speed = 1.0;
 583             int strobe = 1;
 584             if (idString.startsWith("slowmotion")) {
 585                 id = idString.section(':', 1, 1);
 586                 speed = idString.section(':', 2, 2).toDouble();
 587                 strobe = idString.section(':', 3, 3).toInt();
 588                 if (strobe == 0) strobe = 1;
 589             } else id = id.section('_', 0, 0);
 590             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
 591             if (clip == NULL) {
 592                 // The clip in playlist was not listed in the kdenlive producers,
 593                 // something went wrong, repair required.
 594                 kWarning() << "CANNOT INSERT CLIP " << id;
 595
 596                 clip = getMissingProducer(id);
 597                 if (!clip) {
 598                     // We cannot find the producer, something is really wrong, add
 599                     // placeholder color clip
 600                     QDomDocument doc;
 601                     QDomElement producerXml = doc.createElement("producer");
 602                     doc.appendChild(producerXml);
 603                     producerXml.setAttribute("colour", "0xff0000ff");
 604                     producerXml.setAttribute("mlt_service", "colour");
 605                     producerXml.setAttribute("length", "15000");
 606                     producerXml.setAttribute("name", "INVALID");
 607                     producerXml.setAttribute("type", COLOR);
 608                     producerXml.setAttribute("id", id);
 609                     clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
 610                     xml.insertBefore(producerXml, QDomNode());
 611                     m_doc->clipManager()->addClip(clip);
 612
 613                     m_documentErrors.append(i18n("Broken clip producer %1", id) + '\n');
 614                 } else {
 615                     // Found correct producer
 616                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
 617                     elem.setAttribute("producer", clip->getId());
 618                 }
 619                 m_doc->setModified(true);
 620             }
 621
 622             if (clip != NULL) {
 623                 ItemInfo clipinfo;
 624                 clipinfo.startPos = GenTime(position, m_doc->fps());
 625                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
 626                 clipinfo.cropStart = GenTime(in, m_doc->fps());
 627                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
 628
 629                 clipinfo.track = ix;
 630                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
 631                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
 632                 if (idString.endsWith("_video")) item->setVideoOnly(true);
 633                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
 634                 m_scene->addItem(item);
 635                 if (locked) item->setItemLocked(true);
 636                 clip->addReference();
 637                 position += (out - in + 1);
 638                 kDebug() << "/////////\n\n\n" << "CLIP SPEED: " << speed << ", " << strobe << "\n\n\n/////////////////////";
 639                 if (speed != 1.0 || strobe > 1) {
 640                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
 641                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
 642                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
 643                     item->addEffect(speedeffect, false);
 644                     item->effectsCounter();
 645                 }
 646
 647                 // parse clip effects
 648                 QDomNodeList effects = elem.childNodes();
 649                 for (int ix = 0; ix < effects.count(); ix++) {
 650                     QDomElement effect = effects.at(ix).toElement();
 651                     if (effect.tagName() == "filter") {
 652                         // add effect to clip
 653                         QString effecttag;
 654                         QString effectid;
 655                         QString effectindex;
 656                         QString ladspaEffectFile;
 657                         // Get effect tag & index
 658                         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 659                             // parse effect parameters
 660                             QDomElement effectparam = n3.toElement();
 661                             if (effectparam.attribute("name") == "tag") {
 662                                 effecttag = effectparam.text();
 663                             } else if (effectparam.attribute("name") == "kdenlive_id") {
 664                                 effectid = effectparam.text();
 665                             } else if (effectparam.attribute("name") == "kdenlive_ix") {
 666                                 effectindex = effectparam.text();
 667                             } else if (effectparam.attribute("name") == "src") {
 668                                 ladspaEffectFile = effectparam.text();
 669                                 if (!QFile::exists(ladspaEffectFile)) {
 670                                     // If the ladspa effect file is missing, recreate it
 671                                     kDebug() << "// MISSING LADSPA FILE: " << ladspaEffectFile;
 672                                     ladspaEffectFile = m_doc->getLadspaFile();
 673                                     effectparam.firstChild().setNodeValue(ladspaEffectFile);
 674                                     kDebug() << "// ... REPLACED WITH: " << ladspaEffectFile;
 675                                 }
 676                             }
 677                         }
 678                         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
 679                         // get effect standard tags
 680                         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
 681                         if (clipeffect.isNull()) clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
 682                         if (clipeffect.isNull()) clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
 683                         if (clipeffect.isNull()) {
 684                             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
 685                             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
 686                             elem.removeChild(effects.at(ix));
 687                             ix--;
 688                         } else {
 689                             QDomElement currenteffect = clipeffect.cloneNode().toElement();
 690                             currenteffect.setAttribute("kdenlive_ix", effectindex);
 691                             QDomNodeList clipeffectparams = currenteffect.childNodes();
 692
 693                             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
 694                                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
 695                                 // effect is key-framable, read all effects to retrieve keyframes
 696                                 QString factor;
 697                                 QString starttag;
 698                                 QString endtag;
 699                                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
 700                                 for (int i = 0; i < params.count(); i++) {
 701                                     QDomElement e = params.item(i).toElement();
 702                                     if (e.attribute("type") == "keyframe") {
 703                                         starttag = e.attribute("starttag", "start");
 704                                         endtag = e.attribute("endtag", "end");
 705                                         factor = e.attribute("factor", "1");
 706                                         break;
 707                                     }
 708                                 }
 709                                 QString keyframes;
 710                                 int effectin = effect.attribute("in").toInt();
 711                                 int effectout = effect.attribute("out").toInt();
 712                                 double startvalue = 0;
 713                                 double endvalue = 0;
 714                                 double fact;
 715                                 if (factor.isEmpty()) fact = 1;
 716                                 else if (factor.startsWith('%')) {
 717                                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 718                                 } else fact = factor.toDouble();
 719                                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 720                                     // parse effect parameters
 721                                     QDomElement effectparam = n3.toElement();
 722                                     if (effectparam.attribute("name") == starttag)
 723                                         startvalue = effectparam.text().toDouble() * fact;
 724                                     if (effectparam.attribute("name") == endtag)
 725                                         endvalue = effectparam.text().toDouble() * fact;
 726                                 }
 727                                 // add first keyframe
 728                                 keyframes.append(QString::number(effectin) + ':' + QString::number(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 729                                 QDomNode lastParsedEffect;
 730                                 ix++;
 731                                 QDomNode n2 = effects.at(ix);
 732                                 bool continueParsing = true;
 733                                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
 734                                     // parse all effects
 735                                     QDomElement kfreffect = n2.toElement();
 736                                     int effectout = kfreffect.attribute("out").toInt();
 737
 738                                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
 739                                         // parse effect parameters
 740                                         QDomElement subeffectparam = n4.toElement();
 741                                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
 742                                             //We are not in the same effect, stop parsing
 743                                             lastParsedEffect = n2.previousSibling();
 744                                             ix--;
 745                                             continueParsing = false;
 746                                             break;
 747                                         } else if (subeffectparam.attribute("name") == endtag) {
 748                                             endvalue = subeffectparam.text().toDouble() * fact;
 749                                             break;
 750                                         }
 751                                     }
 752                                     if (continueParsing) {
 753                                         keyframes.append(QString::number(effectout) + ':' + QString::number(endvalue) + ';');
 754                                         ix++;
 755                                     }
 756                                 }
 757
 758                                 params = currenteffect.elementsByTagName("parameter");
 759                                 for (int i = 0; i < params.count(); i++) {
 760                                     QDomElement e = params.item(i).toElement();
 761                                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
 762                                 }
 763                                 if (!continueParsing) {
 764                                     n2 = lastParsedEffect;
 765                                 }
 766                             } else {
 767                                 // Check if effect has in/out points
 768                                 if (effect.hasAttribute("in")) {
 769                                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
 770                                 }
 771                                 if (effect.hasAttribute("out")) {
 772                                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
 773                                 }
 774                             }
 775
 776                             // adjust effect parameters
 777                             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
 778                                 // parse effect parameters
 779                                 QDomElement effectparam = n3.toElement();
 780                                 QString paramname = effectparam.attribute("name");
 781                                 QString paramvalue = effectparam.text();
 782
 783
 784                                 // try to find this parameter in the effect xml
 785                                 QDomElement e;
 786                                 for (int k = 0; k < clipeffectparams.count(); k++) {
 787                                     e = clipeffectparams.item(k).toElement();
 788                                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
 789                                         if (e.attribute("factor", "1") != "1") {
 790                                             QString factor = e.attribute("factor", "1");
 791                                             double fact;
 792                                             if (factor.startsWith('%')) {
 793                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
 794                                             } else fact = factor.toDouble();
 795                                             e.setAttribute("value", paramvalue.toDouble() * fact);
 796                                         } else e.setAttribute("value", paramvalue);
 797                                         break;
 798                                     }
 799                                 }
 800                             }
 801                             if (effecttag == "ladspa") {
 802                                 //QString ladspaEffectFile = EffectsList::parameter(effect, "src", "property");
 803
 804                                 if (!QFile::exists(ladspaEffectFile)) {
 805                                     // If the ladspa effect file is missing, recreate it
 806                                     initEffects::ladspaEffectFile(ladspaEffectFile, currenteffect.attribute("ladspaid").toInt(), m_trackview->getLadspaParams(currenteffect));
 807                                 }
 808                                 currenteffect.setAttribute("src", ladspaEffectFile);
 809                             }
 810                             item->addEffect(currenteffect, false);
 811                             item->effectsCounter();
 812                         }
 813                     }
 814                 }
 815             }
 816             //m_clipList.append(clip);
 817         }
 818     }
 819     //m_trackDuration = position;
 820
 821
 822     //documentTracks.insert(ix, track);
 823     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
 824     return position;
 825     //track->show();
 826 }
 827
 828 DocClipBase *TrackView::getMissingProducer(const QString id) const
 829 {
 830     QDomElement missingXml;
 831     QDomDocument doc = m_doc->toXml();
 832     QString docRoot = doc.documentElement().attribute("root");
 833     if (!docRoot.endsWith('/')) docRoot.append('/');
 834     QDomNodeList prods = doc.elementsByTagName("producer");
 835     int maxprod = prods.count();
 836     for (int i = 0; i < maxprod; i++) {
 837         QDomNode m = prods.at(i);
 838         QString prodId = m.toElement().attribute("id");
 839         if (prodId == id) {
 840             missingXml =  m.toElement();
 841             break;
 842         }
 843     }
 844     if (missingXml == QDomElement()) return NULL;
 845
 846     QDomNodeList params = missingXml.childNodes();
 847     QString resource;
 848     for (int j = 0; j < params.count(); j++) {
 849         QDomElement e = params.item(j).toElement();
 850         if (e.attribute("name") == "resource") {
 851             resource = e.firstChild().nodeValue();
 852             break;
 853         }
 854     }
 855     // prepend MLT XML document root if no path in clip resource and not a color clip
 856     if (!resource.startsWith('/') && !resource.startsWith("0x")) resource.prepend(docRoot);
 857     DocClipBase *missingClip = NULL;
 858     if (!resource.isEmpty()) {
 859         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
 860         if (!list.isEmpty()) missingClip = list.at(0);
 861     }
 862     return missingClip;
 863 }
 864
 865 QGraphicsScene *TrackView::projectScene()
 866 {
 867     return m_scene;
 868 }
 869
 870 CustomTrackView *TrackView::projectView()
 871 {
 872     return m_trackview;
 873 }
 874
 875 void TrackView::setEditMode(const QString & editMode)
 876 {
 877     m_editMode = editMode;
 878 }
 879
 880 const QString & TrackView::editMode() const
 881 {
 882     return m_editMode;
 883 }
 884
 885 void TrackView::slotChangeTrackLock(int ix, bool lock)
 886 {
 887     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
 888     widgets.at(ix)->setLock(lock);
 889 }
 890
 891
 892 void TrackView::slotVerticalZoomDown()
 893 {
 894     if (m_verticalZoom == 0) return;
 895     m_verticalZoom--;
 896     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 897     if (m_verticalZoom == 0) m_trackview->setScale(m_scene->scale().x(), 0.5);
 898     else m_trackview->setScale(m_scene->scale().x(), 1);
 899     adjustTrackHeaders();
 900     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 901 }
 902
 903 void TrackView::slotVerticalZoomUp()
 904 {
 905     if (m_verticalZoom == 2) return;
 906     m_verticalZoom++;
 907     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
 908     if (m_verticalZoom == 2) m_trackview->setScale(m_scene->scale().x(), 2);
 909     else m_trackview->setScale(m_scene->scale().x(), 1);
 910     adjustTrackHeaders();
 911     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
 912 }
 913
 914 void TrackView::updateProjectFps()
 915 {
 916     m_ruler->updateProjectFps(m_doc->timecode());
 917     m_trackview->updateProjectFps();
 918 }
 919
 920 void TrackView::slotRenameTrack(int ix)
 921 {
 922     int tracknumber = m_doc->tracksCount() - ix;
 923     TrackInfo info = m_doc->trackInfoAt(tracknumber - 1);
 924     bool ok;
 925     QString newName = QInputDialog::getText(this, i18n("New Track Name"), i18n("Enter new name"), QLineEdit::Normal, info.trackName, &ok);
 926     if (ok) {
 927         info.trackName = newName;
 928         m_doc->setTrackType(tracknumber - 1, info);
 929         QTimer::singleShot(300, this, SLOT(slotReloadTracks()));
 930         m_doc->setModified(true);
 931     }
 932 }
 933
 934
 935 #include "trackview.moc"