]> git.sesse.net Git - kdenlive/blob - src/trackview.cpp
minor GUI speedup
[kdenlive] / 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     delete m_scene;
128 }
129
130 //virtual
131 void TrackView::keyPressEvent(QKeyEvent * event)
132 {
133     if (event->key() == Qt::Key_Up) {
134         m_trackview->slotTrackUp();
135         event->accept();
136     } else if (event->key() == Qt::Key_Down) {
137         m_trackview->slotTrackDown();
138         event->accept();
139     } else QWidget::keyPressEvent(event);
140 }
141
142 int TrackView::duration() const
143 {
144     return m_trackview->duration();
145 }
146
147 int TrackView::tracksNumber() const
148 {
149     return m_projectTracks - 1;
150 }
151
152 bool TrackView::checkProjectAudio() const
153 {
154     bool hasAudio = false;
155     const QList <TrackInfo> list = m_doc->tracksList();
156     int max = list.count();
157     for (int i = 0; i < max; i++) {
158         TrackInfo info = list.at(max - i - 1);
159         if (!info.isMute && m_trackview->hasAudio(i)) {
160             hasAudio = true;
161             break;
162         }
163     }
164     return hasAudio;
165 }
166
167 int TrackView::inPoint() const
168 {
169     return m_ruler->inPoint();
170 }
171
172 int TrackView::outPoint() const
173 {
174     return m_ruler->outPoint();
175 }
176
177 void TrackView::slotSetZone(QPoint p, bool updateDocumentProperties)
178 {
179     m_ruler->setZone(p);
180     if (updateDocumentProperties) m_doc->setZone(p.x(), p.y());
181 }
182
183 void TrackView::setDuration(int dur)
184 {
185     m_trackview->setDuration(dur);
186     m_ruler->setDuration(dur);
187 }
188
189 void TrackView::parseDocument(QDomDocument doc)
190 {
191     //int cursorPos = 0;
192     m_documentErrors.clear();
193     m_replacementProducerIds.clear();
194
195     // parse project tracks
196     QDomElement mlt = doc.firstChildElement("mlt");
197     QDomElement tractor = mlt.firstChildElement("tractor");
198     QDomNodeList tracks = tractor.elementsByTagName("track");
199     QDomNodeList playlists = doc.elementsByTagName("playlist");
200     int duration = 300;
201     m_projectTracks = tracks.count();
202     int trackduration = 0;
203     QDomElement e;
204     QDomElement p;
205
206     int pos = m_projectTracks - 1;
207     m_invalidProducers.clear();
208     QDomNodeList producers = doc.elementsByTagName("producer");
209     for (int i = 0; i < producers.count(); i++) {
210         // Check for invalid producers
211         QDomNode n = producers.item(i);
212         e = n.toElement();
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) {
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     int trackIndex = 0;
228     for (int i = 0; i < m_projectTracks; i++) {
229         e = tracks.item(i).toElement();
230         QString playlist_name = e.attribute("producer");
231         if (playlist_name != "black_track" && playlist_name != "playlistmain") {
232             // find playlist related to this track
233             p = QDomElement();
234             for (int j = 0; j < m_projectTracks; j++) {
235                 p = playlists.item(j).toElement();
236                 if (p.attribute("id") == playlist_name) {
237                     // playlist found, check track effects
238                     QDomNodeList trackEffects = p.childNodes();
239                     slotAddProjectEffects(trackEffects, p, NULL, trackIndex++);
240                     break;
241                 }
242             }
243             if (p.attribute("id") != playlist_name) { // then it didn't work.
244                 kDebug() << "NO PLAYLIST FOUND FOR TRACK " + pos;
245             }
246             if (e.attribute("hide") == "video") {
247                 m_doc->switchTrackVideo(i - 1, true);
248             } else if (e.attribute("hide") == "audio") {
249                 m_doc->switchTrackAudio(i - 1, true);
250             } else if (e.attribute("hide") == "both") {
251                 m_doc->switchTrackVideo(i - 1, true);
252                 m_doc->switchTrackAudio(i - 1, true);
253             }
254
255             trackduration = slotAddProjectTrack(pos, p, m_doc->isTrackLocked(i - 1), producers);
256             pos--;
257             //kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
258             if (trackduration > duration) duration = trackduration;
259         } else {
260             // background black track
261             for (int j = 0; j < m_projectTracks; j++) {
262                 p = playlists.item(j).toElement();
263                 if (p.attribute("id") == playlist_name) break;
264             }
265             pos--;
266         }
267     }
268
269     // parse transitions
270     QDomNodeList transitions = tractor.elementsByTagName("transition");
271
272     //kDebug() << "//////////// TIMELINE FOUND: " << projectTransitions << " transitions";
273     for (int i = 0; i < transitions.count(); i++) {
274         e = transitions.item(i).toElement();
275         QDomNodeList transitionparams = e.childNodes();
276         bool transitionAdd = true;
277         int a_track = 0;
278         int b_track = 0;
279         bool isAutomatic = false;
280         bool forceTrack = false;
281         QString mlt_geometry;
282         QString mlt_service;
283         QString transitionId;
284         for (int k = 0; k < transitionparams.count(); k++) {
285             p = transitionparams.item(k).toElement();
286             if (!p.isNull()) {
287                 QString paramName = p.attribute("name");
288                 // do not add audio mixing transitions
289                 if (paramName == "internal_added" && p.text() == "237") {
290                     transitionAdd = false;
291                     //kDebug() << "//  TRANSITRION " << i << " IS NOT VALID (INTERN ADDED)";
292                     //break;
293                 } else if (paramName == "a_track") {
294                     a_track = qMax(0, p.text().toInt());
295                     a_track = qMin(m_projectTracks - 1, a_track);
296                     if (a_track != p.text().toInt()) {
297                         // the transition track was out of bounds
298                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), a_track) + '\n');
299                         EffectsList::setProperty(e, "a_track", QString::number(a_track));
300                     }
301                 } else if (paramName == "b_track") {
302                     b_track = qMax(0, p.text().toInt());
303                     b_track = qMin(m_projectTracks - 1, b_track);
304                     if (b_track != p.text().toInt()) {
305                         // the transition track was out of bounds
306                         m_documentErrors.append(i18n("Transition %1 had an invalid track: %2 > %3", e.attribute("id"), p.text().toInt(), b_track) + '\n');
307                         EffectsList::setProperty(e, "b_track", QString::number(b_track));
308                     }
309                 } else if (paramName == "mlt_service") mlt_service = p.text();
310                 else if (paramName == "kdenlive_id") transitionId = p.text();
311                 else if (paramName == "geometry") mlt_geometry = p.text();
312                 else if (paramName == "automatic" && p.text() == "1") isAutomatic = true;
313                 else if (paramName == "force_track" && p.text() == "1") forceTrack = true;
314             }
315         }
316         if (a_track == b_track || b_track == 0) {
317             // invalid transition, remove it
318             m_documentErrors.append(i18n("Removed invalid transition: %1", e.attribute("id")) + '\n');
319             tractor.removeChild(transitions.item(i));
320             i--;
321             continue;
322         }
323         if (transitionAdd || mlt_service != "mix") {
324             // Transition should be added to the scene
325             ItemInfo transitionInfo;
326             if (mlt_service == "composite" && transitionId.isEmpty()) {
327                 // When adding composite transition, check if it is a wipe transition
328                 if (mlt_geometry.count(';') == 1) {
329                     mlt_geometry.remove(QChar('%'), Qt::CaseInsensitive);
330                     mlt_geometry.replace(QChar('x'), QChar(':'), Qt::CaseInsensitive);
331                     mlt_geometry.replace(QChar(','), QChar(':'), Qt::CaseInsensitive);
332                     mlt_geometry.replace(QChar('/'), QChar(':'), Qt::CaseInsensitive);
333                     
334                     QString start = mlt_geometry.section('=', 0, 0).section(':', 0, -2) + ':';
335                     start.append(mlt_geometry.section('=', 1, 1).section(':', 0, -2));
336                     QStringList numbers = start.split(':', QString::SkipEmptyParts);
337                     bool isWipeTransition = true;
338                     int checkNumber;
339                     for (int i = 0; i < numbers.size(); ++i) {
340                         checkNumber = qAbs(numbers.at(i).toInt());
341                         if (checkNumber != 0 && checkNumber != 100) {
342                             isWipeTransition = false;
343                             break;
344                         }
345                     }
346                     if (isWipeTransition) transitionId = "slide";
347                 }
348             }
349
350             QDomElement base = MainWindow::transitions.getEffectByTag(mlt_service, transitionId).cloneNode().toElement();
351
352             if (!base.isNull()) for (int k = 0; k < transitionparams.count(); k++) {
353                     p = transitionparams.item(k).toElement();
354                     if (!p.isNull()) {
355                         QString paramName = p.attribute("name");
356                         QString paramValue = p.text();
357
358                         QDomNodeList params = base.elementsByTagName("parameter");
359                         if (paramName != "a_track" && paramName != "b_track") for (int i = 0; i < params.count(); i++) {
360                                 QDomElement e = params.item(i).toElement();
361                                 if (!e.isNull() && e.attribute("tag") == paramName) {
362                                     if (e.attribute("type") == "double") {
363                                         QString factor = e.attribute("factor", "1");
364                                         double offset = e.attribute("offset", "0").toDouble();
365                                         if (factor != "1" || offset != 0) {
366                                             double fact;
367                                             if (factor.contains('%')) {
368                                                 fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
369                                             } else {
370                                                 fact = factor.toDouble();
371                                             }
372                                             paramValue = QLocale().toString(offset + paramValue.toDouble() * fact);
373                                         }
374                                     }
375                                     e.setAttribute("value", paramValue);
376                                     break;
377                                 }
378                             }
379                     }
380                 }
381
382             /*QDomDocument doc;
383             doc.appendChild(doc.importNode(base, true));
384             kDebug() << "///////  TRANSITION XML: "<< doc.toString();*/
385
386             transitionInfo.startPos = GenTime(e.attribute("in").toInt(), m_doc->fps());
387             transitionInfo.endPos = GenTime(e.attribute("out").toInt() + 1, m_doc->fps());
388             transitionInfo.track = m_projectTracks - 1 - b_track;
389
390             //kDebug() << "///////////////   +++++++++++  ADDING TRANSITION ON TRACK: " << b_track << ", TOTAL TRKA: " << m_projectTracks;
391             if (transitionInfo.startPos >= transitionInfo.endPos || base.isNull()) {
392                 // invalid transition, remove it.
393                 m_documentErrors.append(i18n("Removed invalid transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
394                 kDebug() << "///// REMOVED INVALID TRANSITION: " << e.attribute("id");
395                 tractor.removeChild(transitions.item(i));
396                 i--;
397             } else if (m_trackview->canBePastedTo(transitionInfo, TRANSITIONWIDGET)) {
398                 Transition *tr = new Transition(transitionInfo, a_track, m_doc->fps(), base, isAutomatic);
399                 if (forceTrack) tr->setForcedTrack(true, a_track);
400                 m_scene->addItem(tr);
401                 if (b_track > 0 && m_doc->isTrackLocked(b_track - 1)) {
402                     tr->setItemLocked(true);
403                 }
404             }
405             else {
406                 m_documentErrors.append(i18n("Removed overlapping transition: (%1, %2, %3)", e.attribute("id"), mlt_service, transitionId) + '\n');
407                 tractor.removeChild(transitions.item(i));
408                 i--;
409             }
410         }
411     }
412     QDomElement infoXml = mlt.firstChildElement("kdenlivedoc");
413
414     // Add guides
415     QDomNodeList guides = infoXml.elementsByTagName("guide");
416     for (int i = 0; i < guides.count(); i++) {
417         e = guides.item(i).toElement();
418         const QString comment = e.attribute("comment");
419         const GenTime pos = GenTime(e.attribute("time").toDouble());
420         m_trackview->addGuide(pos, comment);
421     }
422
423     // Rebuild groups
424     QDomNodeList groups = infoXml.elementsByTagName("group");
425     m_trackview->loadGroups(groups);
426     m_trackview->setDuration(duration);
427     kDebug() << "///////////  TOTAL PROJECT DURATION: " << duration;
428
429     // Remove Kdenlive extra info from xml doc before sending it to MLT
430     mlt.removeChild(infoXml);
431
432     slotRebuildTrackHeaders();
433     if (!m_documentErrors.isNull()) KMessageBox::sorry(this, m_documentErrors);
434     if (infoXml.hasAttribute("upgraded") || infoXml.hasAttribute("modified")) {
435         // Our document was upgraded, create a backup copy just in case
436         QString baseFile = m_doc->url().path().section(".kdenlive", 0, 0);
437         int ct = 0;
438         QString backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
439         while (QFile::exists(backupFile)) {
440             ct++;
441             backupFile = baseFile + "_backup" + QString::number(ct) + ".kdenlive";
442         }
443         QString message;
444         if (infoXml.hasAttribute("upgraded"))
445             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);
446         else
447             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);
448         if (KIO::NetAccess::file_copy(m_doc->url(), KUrl(backupFile), this))
449             KMessageBox::information(this, message);
450         else
451             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));
452     }
453     //m_trackview->setCursorPos(cursorPos);
454     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
455 }
456
457 void TrackView::slotDeleteClip(const QString &clipId)
458 {
459     m_trackview->deleteClip(clipId);
460 }
461
462 void TrackView::setCursorPos(int pos)
463 {
464     m_trackview->setCursorPos(pos);
465 }
466
467 void TrackView::moveCursorPos(int pos)
468 {
469     m_trackview->setCursorPos(pos, false);
470 }
471
472 void TrackView::slotChangeZoom(int horizontal, int vertical)
473 {
474     m_ruler->setPixelPerMark(horizontal);
475     m_scale = (double) FRAME_SIZE / m_ruler->comboScale[horizontal];
476
477     if (vertical == -1) {
478         // user called zoom
479         m_doc->setZoom(horizontal, m_verticalZoom);
480         m_trackview->setScale(m_scale, m_scene->scale().y());
481     } else {
482         m_verticalZoom = vertical;
483         if (m_verticalZoom == 0)
484             m_trackview->setScale(m_scale, 0.5);
485         else
486             m_trackview->setScale(m_scale, m_verticalZoom);
487         adjustTrackHeaders();
488     }
489 }
490
491 int TrackView::fitZoom() const
492 {
493     int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
494     int i;
495     for (i = 0; i < 13; i++)
496         if (m_ruler->comboScale[i] > zoom) break;
497     return i;
498 }
499
500 KdenliveDoc *TrackView::document()
501 {
502     return m_doc;
503 }
504
505 void TrackView::refresh()
506 {
507     m_trackview->viewport()->update();
508 }
509
510 void TrackView::slotRepaintTracks()
511 {
512     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
513     for (int i = 0; i < widgets.count(); i++) {
514         if (widgets.at(i)) widgets.at(i)->setSelectedIndex(m_trackview->selectedTrack());
515     }
516 }
517
518 void TrackView::slotReloadTracks()
519 {
520     slotRebuildTrackHeaders();
521     emit updateTracksInfo();
522 }
523
524 void TrackView::slotRebuildTrackHeaders()
525 {
526     const QList <TrackInfo> list = m_doc->tracksList();
527     QLayoutItem *child;
528     while ((child = headers_container->layout()->takeAt(0)) != 0) {
529         QWidget *wid = child->widget();
530         delete child;
531         if (wid) wid->deleteLater();
532     }
533     int max = list.count();
534     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
535     HeaderTrack *header = NULL;
536     QFrame *frame = NULL;
537
538     QPalette p = palette();
539     KColorScheme scheme(p.currentColorGroup(), KColorScheme::View, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
540     QColor norm = scheme.shade(scheme.background(KColorScheme::ActiveBackground).color(), KColorScheme::MidShade);
541     p.setColor(QPalette::Button, norm);
542
543     QColor col = scheme.background().color();
544     QColor col2 = scheme.foreground().color();
545     headers_container->setStyleSheet(QString("QLineEdit { background-color: transparent;color: rgb(%4, %5, %6);} QLineEdit:hover{ background-color: rgb(%1, %2, %3);} QLineEdit:focus { background-color: rgb(%1, %2, %3);}").arg(col.red()).arg(col.green()).arg(col.blue()).arg(col2.red()).arg(col2.green()).arg(col2.blue()));
546     
547     for (int i = 0; i < max; i++) {
548         frame = new QFrame(headers_container);
549         frame->setFrameStyle(QFrame::HLine);
550         frame->setFixedHeight(1);
551         headers_container->layout()->addWidget(frame);
552         TrackInfo info = list.at(max - i - 1);
553         header = new HeaderTrack(i, info, height, headers_container);
554         header->setPalette(p);
555         header->setSelectedIndex(m_trackview->selectedTrack());
556         connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
557         connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
558         connect(header, SIGNAL(switchTrackLock(int)), m_trackview, SLOT(slotSwitchTrackLock(int)));
559         connect(header, SIGNAL(selectTrack(int)), m_trackview, SLOT(slotSelectTrack(int)));
560         connect(header, SIGNAL(deleteTrack(int)), this, SIGNAL(deleteTrack(int)));
561         connect(header, SIGNAL(insertTrack(int)), this, SIGNAL(insertTrack(int)));
562         connect(header, SIGNAL(renameTrack(int, QString)), this, SLOT(slotRenameTrack(int, QString)));
563         connect(header, SIGNAL(configTrack(int)), this, SIGNAL(configTrack(int)));
564         connect(header, SIGNAL(addTrackInfo(const QDomElement, int)), m_trackview, SLOT(slotAddTrackEffect(const QDomElement, int)));
565         connect(header, SIGNAL(showTrackEffects(int)), this, SLOT(slotShowTrackEffects(int)));
566         headers_container->layout()->addWidget(header);
567     }
568     frame = new QFrame(this);
569     frame->setFrameStyle(QFrame::HLine);
570     frame->setFixedHeight(1);
571     headers_container->layout()->addWidget(frame);
572 }
573
574
575 void TrackView::adjustTrackHeaders()
576 {
577     int height = KdenliveSettings::trackheight() * m_scene->scale().y() - 1;
578     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
579     for (int i = 0; i < widgets.count(); i++) {
580         if (widgets.at(i)) widgets.at(i)->adjustSize(height);
581     }
582 }
583
584 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool locked, QDomNodeList producers)
585 {
586     // parse track
587     int position = 0;
588     QMap <QString, QString> producerReplacementIds;
589     QDomNodeList children = xml.childNodes();
590     for (int nodeindex = 0; nodeindex < children.count(); nodeindex++) {
591         QDomNode n = children.item(nodeindex);
592         QDomElement elem = n.toElement();
593         if (elem.tagName() == "blank") {
594             position += elem.attribute("length").toInt();
595         } else if (elem.tagName() == "entry") {
596             // Found a clip
597             int in = elem.attribute("in").toInt();
598             int out = elem.attribute("out").toInt();
599             if (in > out || /*in == out ||*/ m_invalidProducers.contains(elem.attribute("producer"))) {
600                 m_documentErrors.append(i18n("Invalid clip removed from track %1 at %2\n", ix, position));
601                 xml.removeChild(children.at(nodeindex));
602                 nodeindex--;
603                 continue;
604             }
605             QString idString = elem.attribute("producer");
606             if (producerReplacementIds.contains(idString)) {
607                 // replace id
608                 elem.setAttribute("producer", producerReplacementIds.value(idString));
609                 idString = elem.attribute("producer");
610             }
611             QString id = idString;
612             double speed = 1.0;
613             int strobe = 1;
614             if (idString.startsWith("slowmotion")) {
615                 QLocale locale;
616                 id = idString.section(':', 1, 1);
617                 speed = locale.toDouble(idString.section(':', 2, 2));
618                 strobe = idString.section(':', 3, 3).toInt();
619                 if (strobe == 0) strobe = 1;
620             }
621             id = id.section('_', 0, 0);
622             DocClipBase *clip = m_doc->clipManager()->getClipById(id);
623             if (clip == NULL) {
624                 // The clip in playlist was not listed in the kdenlive producers,
625                 // something went wrong, repair required.
626                 kWarning() << "CANNOT INSERT CLIP " << id;
627                 QString docRoot = m_doc->toXml().documentElement().attribute("root");
628                 if (!docRoot.endsWith('/')) docRoot.append('/');
629                 clip = getMissingProducer(idString);
630                 if (clip) {
631                     // We found the original producer in Kdenlive's producers
632                     // Found correct producer
633                     m_documentErrors.append(i18n("Replaced wrong clip producer %1 with %2", id, clip->getId()) + '\n');
634                     QString prodId = clip->getId();
635                     if (clip->clipType() == PLAYLIST || clip->clipType() == AV || clip->clipType() == AUDIO) {
636                         // We need producer for the track
637                         prodId.append("_" + QString::number(ix));
638                     }
639                     elem.setAttribute("producer", prodId);
640                     producerReplacementIds.insert(idString, prodId);
641                     // now adjust the mlt producer
642                     bool found = false;
643                     for (int i = 0; i < producers.count(); i++) {
644                         QDomElement prod = producers.at(i).toElement();
645                         if (prod.attribute("id") == prodId) {
646                             // ok, producer already exists
647                             found = true;
648                             break;
649                         }
650                     }
651                     if (!found) {
652                         for (int i = 0; i < producers.count(); i++) {
653                             QDomElement prod = producers.at(i).toElement();
654                             if (prod.attribute("id") == idString) {
655                                 prod.setAttribute("id", prodId);
656                                 m_replacementProducerIds.insert(idString, prodId);
657                                 found = true;
658                                 break;
659                             }
660                         }
661                     }
662                     if (!found) {
663                         // We didn't find the producer for this track, find producer for another track and duplicate
664                         for (int i = 0; i < producers.count(); i++) {
665                             QDomElement prod = producers.at(i).toElement();
666                             QString mltProdId = prod.attribute("id");
667                             if (mltProdId == prodId || mltProdId.startsWith(prodId + "_")) {
668                                 // Found parent producer, clone it
669                                 QDomElement clone = prod.cloneNode().toElement();
670                                 clone.setAttribute("id", prodId);
671                                 m_doc->toXml().documentElement().insertBefore(clone, xml);
672                                 break;
673                             }
674                         }
675                     }                    
676                 }
677                 else {
678                     // We cannot find the producer, something is really wrong, add
679                     // placeholder color clip
680                     QDomDocument doc;
681                     QDomElement producerXml = doc.createElement("producer");
682                     doc.appendChild(producerXml);
683                     bool foundMltProd = false;
684                     for (int i = 0; i < producers.count(); i++) {
685                         QDomElement prod = producers.at(i).toElement();
686                         if (prod.attribute("id") == id) {
687                             QString service = EffectsList::property(prod, "mlt_service");
688                             QString type = EffectsList::property(prod, "mlt_type");
689                             QString resource = EffectsList::property(prod, "resource");
690                             if (!resource.startsWith('/') && service != "colour") {
691                                 resource.prepend(docRoot);
692                                 kDebug()<<"******************\nADJUSTED 1\n*************************";
693                             }
694                             QString length = EffectsList::property(prod, "length");
695                             producerXml.setAttribute("mlt_service", service);
696                             producerXml.setAttribute("mlt_type", type);
697                             producerXml.setAttribute("resource", resource);
698                             producerXml.setAttribute("duration", length);
699                             if (service == "colour") producerXml.setAttribute("type", COLOR);
700                             else if (service == "qimage" || service == "pixbuf") producerXml.setAttribute("type", IMAGE);
701                             else if (service == "kdenlivetitle") producerXml.setAttribute("type", TEXT);
702                             else producerXml.setAttribute("type", AV);
703                             clip = new DocClipBase(m_doc->clipManager(), doc.documentElement(), id);
704                             m_doc->clipManager()->addClip(clip);
705                             m_documentErrors.append(i18n("Broken clip producer %1, recreated base clip: %2", id, resource) + '\n');
706                             foundMltProd = true;
707                             break;
708                         }
709                     }
710                     if (!foundMltProd) {
711                         // Cannot recover, replace with blank
712                         int duration = elem.attribute("out").toInt() - elem.attribute("in").toInt();
713                         elem.setAttribute("length", duration);
714                         elem.setTagName("blank");
715                         m_documentErrors.append(i18n("Broken clip producer %1, removed from project", id) + '\n');
716                     }
717                 }
718                 m_doc->setModified(true);
719             }
720
721             if (clip != NULL) {
722                 ItemInfo clipinfo;
723                 clipinfo.startPos = GenTime(position, m_doc->fps());
724                 clipinfo.endPos = clipinfo.startPos + GenTime(out - in + 1, m_doc->fps());
725                 clipinfo.cropStart = GenTime(in, m_doc->fps());
726                 clipinfo.cropDuration = clipinfo.endPos - clipinfo.startPos;
727
728                 clipinfo.track = ix;
729                 //kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
730                 ClipItem *item = new ClipItem(clip, clipinfo, m_doc->fps(), speed, strobe, false);
731                 if (idString.endsWith("_video")) item->setVideoOnly(true);
732                 else if (idString.endsWith("_audio")) item->setAudioOnly(true);
733                 m_scene->addItem(item);
734                 if (locked) item->setItemLocked(true);
735                 clip->addReference();
736                 position += (out - in + 1);
737                 if (speed != 1.0 || strobe > 1) {
738                     QDomElement speedeffect = MainWindow::videoEffects.getEffectByTag(QString(), "speed").cloneNode().toElement();
739                     EffectsList::setParameter(speedeffect, "speed", QString::number((int)(100 * speed + 0.5)));
740                     EffectsList::setParameter(speedeffect, "strobe", QString::number(strobe));
741                     item->addEffect(speedeffect, false);
742                     item->effectsCounter();
743                 }
744
745                 // parse clip effects
746                 QDomNodeList effects = elem.elementsByTagName("filter");
747                 slotAddProjectEffects(effects, elem, item, -1);
748             }
749         }
750     }
751     kDebug() << "*************  ADD DOC TRACK " << ix << ", DURATION: " << position;
752     return position;
753 }
754
755 void TrackView::slotAddProjectEffects(QDomNodeList effects, QDomElement parentNode, ClipItem *clip, int trackIndex)
756 {
757     int effectNb = 0;
758     QLocale locale;
759     for (int ix = 0; ix < effects.count(); ix++) {
760         bool disableeffect = false;
761         QDomElement effect = effects.at(ix).toElement();
762         if (effect.tagName() != "filter") continue;
763         effectNb++;
764         // add effect to clip
765         QString effecttag;
766         QString effectid;
767         QString effectindex = QString::number(effectNb);
768         // Get effect tag & index
769         for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
770             // parse effect parameters
771             QDomElement effectparam = n3.toElement();
772             if (effectparam.attribute("name") == "tag") {
773                 effecttag = effectparam.text();
774             } else if (effectparam.attribute("name") == "kdenlive_id") {
775                 effectid = effectparam.text();
776             } else if (effectparam.attribute("name") == "disable" && effectparam.text().toInt() == 1) {
777                 // Fix effects index
778                 disableeffect = true;
779             } else if (effectparam.attribute("name") == "kdenlive_ix") {
780                 // Fix effects index
781                 effectparam.firstChild().setNodeValue(effectindex);
782             }
783         }
784         //kDebug() << "+ + CLIP EFF FND: " << effecttag << ", " << effectid << ", " << effectindex;
785         // get effect standard tags
786         QDomElement clipeffect = MainWindow::customEffects.getEffectByTag(QString(), effectid);
787         if (clipeffect.isNull()) {
788             clipeffect = MainWindow::videoEffects.getEffectByTag(effecttag, effectid);
789         }
790         if (clipeffect.isNull()) {
791             clipeffect = MainWindow::audioEffects.getEffectByTag(effecttag, effectid);
792         }
793         if (clipeffect.isNull()) {
794             kDebug() << "///  WARNING, EFFECT: " << effecttag << ": " << effectid << " not found, removing it from project";
795             m_documentErrors.append(i18n("Effect %1:%2 not found in MLT, it was removed from this project\n", effecttag, effectid));
796             if (parentNode.removeChild(effects.at(ix)).isNull()) kDebug() << "///  PROBLEM REMOVING EFFECT: " << effecttag;
797             ix--;
798         } else {
799             QDomElement currenteffect = clipeffect.cloneNode().toElement();
800             currenteffect.setAttribute("kdenlive_ix", effectindex);
801             QDomNodeList clipeffectparams = currenteffect.childNodes();
802
803             if (MainWindow::videoEffects.hasKeyFrames(currenteffect)) {
804                 //kDebug() << " * * * * * * * * * * ** CLIP EFF WITH KFR FND  * * * * * * * * * * *";
805                 // effect is key-framable, read all effects to retrieve keyframes
806                 QString factor;
807                 QString starttag;
808                 QString endtag;
809                 double offset = 0;
810                 QDomNodeList params = currenteffect.elementsByTagName("parameter");
811                 for (int i = 0; i < params.count(); i++) {
812                     QDomElement e = params.item(i).toElement();
813                     if (e.attribute("type") == "keyframe") {
814                         starttag = e.attribute("starttag", "start");
815                         endtag = e.attribute("endtag", "end");
816                         factor = e.attribute("factor", "1");
817                         offset = e.attribute("offset", "0").toDouble();
818                         break;
819                     }
820                 }
821                 QString keyframes;
822                 int effectin = effect.attribute("in").toInt();
823                 int effectout = effect.attribute("out").toInt();
824                 double startvalue = 0;
825                 double endvalue = 0;
826                 double fact;
827                 if (factor.contains('%')) {
828                     fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
829                 } else {
830                     fact = factor.toDouble();
831                 }
832                 for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
833                     // parse effect parameters
834                     QDomElement effectparam = n3.toElement();
835                     if (effectparam.attribute("name") == starttag)
836                         startvalue = offset + effectparam.text().toDouble() * fact;
837                     if (effectparam.attribute("name") == endtag)
838                         endvalue = offset + effectparam.text().toDouble() * fact;
839                 }
840                 // add first keyframe
841                 if (effectout <= effectin) {
842                     // there is only one keyframe
843                     keyframes.append(QString::number(effectin) + ':' + locale.toString(startvalue) + ';');
844                 } else keyframes.append(QString::number(effectin) + ':' + locale.toString(startvalue) + ';' + QString::number(effectout) + ':' + QString::number(endvalue) + ';');
845                 QDomNode lastParsedEffect;
846                 ix++;
847                 QDomNode n2 = effects.at(ix);
848                 bool continueParsing = true;
849                 for (; !n2.isNull() && continueParsing; n2 = n2.nextSibling()) {
850                     // parse all effects
851                     QDomElement kfreffect = n2.toElement();
852                     int effectout = kfreffect.attribute("out").toInt();
853
854                     for (QDomNode n4 = kfreffect.firstChild(); !n4.isNull(); n4 = n4.nextSibling()) {
855                         // parse effect parameters
856                         QDomElement subeffectparam = n4.toElement();
857                         if (subeffectparam.attribute("name") == "kdenlive_ix" && subeffectparam.text() != effectindex) {
858                             //We are not in the same effect, stop parsing
859                             lastParsedEffect = n2.previousSibling();
860                             ix--;
861                             continueParsing = false;
862                             break;
863                         } else if (subeffectparam.attribute("name") == endtag) {
864                             endvalue = offset + subeffectparam.text().toDouble() * fact;
865                             break;
866                         }
867                     }
868                     if (continueParsing) {
869                         keyframes.append(QString::number(effectout) + ':' + locale.toString(endvalue) + ';');
870                         ix++;
871                     }
872                 }
873
874                 params = currenteffect.elementsByTagName("parameter");
875                 for (int i = 0; i < params.count(); i++) {
876                     QDomElement e = params.item(i).toElement();
877                     if (e.attribute("type") == "keyframe") e.setAttribute("keyframes", keyframes);
878                 }
879                 if (!continueParsing) {
880                     n2 = lastParsedEffect;
881                 }
882             } else {
883                 // Check if effect has in/out points
884                 if (effect.hasAttribute("in")) {
885                     EffectsList::setParameter(currenteffect, "in",  effect.attribute("in"));
886                 }
887                 if (effect.hasAttribute("out")) {
888                     EffectsList::setParameter(currenteffect, "out",  effect.attribute("out"));
889                 }
890             }
891
892             // adjust effect parameters
893             for (QDomNode n3 = effect.firstChild(); !n3.isNull(); n3 = n3.nextSibling()) {
894                 // parse effect parameters
895                 QDomElement effectparam = n3.toElement();
896                 QString paramname = effectparam.attribute("name");
897                 QString paramvalue = effectparam.text();
898
899                 // try to find this parameter in the effect xml
900                 QDomElement e;
901                 for (int k = 0; k < clipeffectparams.count(); k++) {
902                     e = clipeffectparams.item(k).toElement();
903                     if (!e.isNull() && e.tagName() == "parameter" && e.attribute("name") == paramname) {
904                         QString type = e.attribute("type");
905                         QString factor = e.attribute("factor", "1");
906                         double fact;
907                         if (factor.contains('%')) {
908                             fact = ProfilesDialog::getStringEval(m_doc->mltProfile(), factor);
909                         } else {
910                             fact = factor.toDouble();
911                         }
912                         double offset = e.attribute("offset", "0").toDouble();
913                         if (type == "simplekeyframe") {
914                             QStringList kfrs = paramvalue.split(";");
915                             for (int l = 0; l < kfrs.count(); l++) {
916                                 QString fr = kfrs.at(l).section('=', 0, 0);
917                                 double val = locale.toDouble(kfrs.at(l).section('=', 1, 1));
918                                 //kfrs[l] = fr + ":" + locale.toString((int)(val * fact));
919                                 kfrs[l] = fr + ":" + QString::number((int) (offset + val * fact));
920                             }
921                             e.setAttribute("keyframes", kfrs.join(";"));
922                         } else if (type == "double" || type == "constant") {
923                             bool ok;
924                             e.setAttribute("value", offset + locale.toDouble(paramvalue, &ok) * fact);
925                             if (!ok)
926                                 e.setAttribute("value", paramvalue);
927                         } else {
928                             e.setAttribute("value", paramvalue);
929                         }
930                         break;
931                     }
932                 }
933             }
934             
935             if (disableeffect) currenteffect.setAttribute("disable", "1");
936             if (clip)
937                 clip->addEffect(currenteffect, false);
938             else
939                 m_doc->addTrackEffect(trackIndex, currenteffect);
940         }
941     }
942 }
943
944
945 DocClipBase *TrackView::getMissingProducer(const QString id) const
946 {
947     QDomElement missingXml;
948     QDomDocument doc = m_doc->toXml();
949     QString docRoot = doc.documentElement().attribute("root");
950     if (!docRoot.endsWith('/')) docRoot.append('/');
951     QDomNodeList prods = doc.elementsByTagName("producer");
952     int maxprod = prods.count();
953     bool 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     if (missingXml == QDomElement()) {
968         // Check if producer id was replaced in another track
969         if (m_replacementProducerIds.contains(id)) {
970             QString newId = m_replacementProducerIds.value(id);
971             slowmotionClip = false;
972             for (int i = 0; i < maxprod; i++) {
973                 QDomNode m = prods.at(i);
974                 QString prodId = m.toElement().attribute("id");
975                 if (prodId.startsWith("slowmotion")) {
976                     slowmotionClip = true;
977                     prodId = prodId.section(':', 1, 1);
978                 }
979                 prodId = prodId.section('_', 0, 0);
980                 if (prodId == id) {
981                     missingXml =  m.toElement();
982                     break;
983                 }
984             }       
985         }
986     }
987     if (missingXml == QDomElement()) return NULL;
988     QString resource = EffectsList::property(missingXml, "resource");
989     QString service = EffectsList::property(missingXml, "mlt_service");
990
991     if (slowmotionClip) resource = resource.section('?', 0, 0);
992     // prepend MLT XML document root if no path in clip resource and not a color clip
993     if (!resource.startsWith('/') && service != "colour") {
994         resource.prepend(docRoot);
995         kDebug()<<"******************\nADJUSTED 2\n*************************";
996     }
997     DocClipBase *missingClip = NULL;
998     if (!resource.isEmpty()) {
999         QList <DocClipBase *> list = m_doc->clipManager()->getClipByResource(resource);
1000         if (!list.isEmpty()) missingClip = list.at(0);
1001     }
1002     return missingClip;
1003 }
1004
1005 QGraphicsScene *TrackView::projectScene()
1006 {
1007     return m_scene;
1008 }
1009
1010 CustomTrackView *TrackView::projectView()
1011 {
1012     return m_trackview;
1013 }
1014
1015 void TrackView::setEditMode(const QString & editMode)
1016 {
1017     m_editMode = editMode;
1018 }
1019
1020 const QString & TrackView::editMode() const
1021 {
1022     return m_editMode;
1023 }
1024
1025 void TrackView::slotChangeTrackLock(int ix, bool lock)
1026 {
1027     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
1028     widgets.at(ix)->setLock(lock);
1029 }
1030
1031
1032 void TrackView::slotVerticalZoomDown()
1033 {
1034     if (m_verticalZoom == 0) return;
1035     m_verticalZoom--;
1036     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
1037     if (m_verticalZoom == 0)
1038         m_trackview->setScale(m_scene->scale().x(), 0.5);
1039     else
1040         m_trackview->setScale(m_scene->scale().x(), 1);
1041     adjustTrackHeaders();
1042     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
1043 }
1044
1045 void TrackView::slotVerticalZoomUp()
1046 {
1047     if (m_verticalZoom == 2) return;
1048     m_verticalZoom++;
1049     m_doc->setZoom(m_doc->zoom().x(), m_verticalZoom);
1050     if (m_verticalZoom == 2)
1051         m_trackview->setScale(m_scene->scale().x(), 2);
1052     else
1053         m_trackview->setScale(m_scene->scale().x(), 1);
1054     adjustTrackHeaders();
1055     m_trackview->verticalScrollBar()->setValue(headers_area->verticalScrollBar()->value());
1056 }
1057
1058 void TrackView::updateProjectFps()
1059 {
1060     m_ruler->updateProjectFps(m_doc->timecode());
1061     m_trackview->updateProjectFps();
1062 }
1063
1064 void TrackView::slotRenameTrack(int ix, QString name)
1065 {
1066     int tracknumber = m_doc->tracksCount() - ix;
1067     QList <TrackInfo> tracks = m_doc->tracksList();
1068     tracks[tracknumber - 1].trackName = name;
1069     ConfigTracksCommand *configTracks = new ConfigTracksCommand(m_trackview, m_doc->tracksList(), tracks);
1070     m_doc->commandStack()->push(configTracks);
1071     m_doc->setModified(true);
1072 }
1073
1074 void TrackView::slotUpdateVerticalScroll(int /*min*/, int max)
1075 {
1076     int height = 0;
1077     if (max > 0) height = m_trackview->horizontalScrollBar()->height() - 1;
1078     headers_container->layout()->setContentsMargins(0, m_trackview->frameWidth(), 0, height);
1079 }
1080
1081 void TrackView::updateRuler()
1082 {
1083     m_ruler->update();
1084 }
1085
1086 void TrackView::slotShowTrackEffects(int ix)
1087 {
1088     m_trackview->clearSelection();
1089     emit showTrackEffects(m_doc->tracksCount() - ix, m_doc->trackInfoAt(m_doc->tracksCount() - ix - 1));
1090 }
1091
1092 void TrackView::slotUpdateTrackEffectState(int ix)
1093 {
1094     QList<HeaderTrack *> widgets = findChildren<HeaderTrack *>();
1095     if (ix < 0 || ix >= widgets.count()) {
1096         kDebug() << "ERROR, Trying to access a non existant track: " << ix;
1097         return;
1098     }
1099     widgets.at(m_doc->tracksCount() - ix - 1)->updateEffectLabel(m_doc->trackInfoAt(ix).effectsList.effectNames());
1100 }
1101
1102 void TrackView::slotSaveTimelinePreview(const QString path)
1103 {
1104     QImage img(width(), height(), QImage::Format_ARGB32_Premultiplied);
1105     img.fill(palette().base().color().rgb());
1106     QPainter painter(&img);
1107     render(&painter);
1108     painter.end();
1109     img = img.scaledToWidth(600, Qt::SmoothTransformation);
1110     img.save(path);
1111 }
1112
1113
1114 #include "trackview.moc"
1115
1116
1117