1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
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. *
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. *
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 ***************************************************************************/
21 #include <QMouseEvent>
22 #include <QStylePainter>
27 #include "definitions.h"
28 #include "headertrack.h"
29 #include "trackview.h"
31 #include "kdenlivesettings.h"
33 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent)
34 : QWidget(parent), m_doc(doc), m_scale(1.0), m_projectTracks(0), m_currentZoom(4) {
36 view = new Ui::TimeLine_UI();
39 m_scene = new QGraphicsScene();
40 m_trackview = new CustomTrackView(doc, m_scene, parent);
41 m_trackview->scale(1, 1);
42 m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
43 //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
45 m_ruler = new CustomRuler(doc->timecode(), m_trackview);
46 QHBoxLayout *layout = new QHBoxLayout;
47 view->ruler_frame->setLayout(layout);
50 layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
51 layout->setContentsMargins(left_margin, 0, right_margin, 0);
52 layout->addWidget(m_ruler);
54 QHBoxLayout *tracksLayout = new QHBoxLayout;
55 tracksLayout->setContentsMargins(0, 0, 0, 0);
56 view->tracks_frame->setLayout(tracksLayout);
58 view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
59 view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
61 m_headersLayout = new QVBoxLayout;
62 m_headersLayout->setContentsMargins(0, 0, 0, 0);
63 m_headersLayout->setSpacing(0);
64 view->headers_container->setLayout(m_headersLayout);
66 connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
68 tracksLayout->addWidget(m_trackview);
70 connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
71 connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
73 parseDocument(doc->toXml());
75 connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
76 connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
77 connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
78 connect(m_trackview, SIGNAL(clipItemSelected(ClipItem*)), this, SLOT(slotClipItemSelected(ClipItem*)));
79 connect(m_trackview, SIGNAL(transitionItemSelected(Transition*)), this, SLOT(slotTransitionItemSelected(Transition*)));
80 slotChangeZoom(m_currentZoom);
83 int TrackView::currentZoom() const {
87 int TrackView::duration() const {
88 return m_trackview->duration();
91 int TrackView::tracksNumber() const {
92 return m_projectTracks;
95 int TrackView::inPoint() const {
96 return m_ruler->inPoint();
99 int TrackView::outPoint() const {
100 return m_ruler->outPoint();
103 void TrackView::slotClipItemSelected(ClipItem*c) {
104 emit clipItemSelected(c);
107 void TrackView::slotTransitionItemSelected(Transition *t) {
108 emit transitionItemSelected(t);
111 void TrackView::setDuration(int dur) {
112 m_trackview->setDuration(dur);
113 m_ruler->setDuration(dur);
116 void TrackView::parseDocument(QDomDocument doc) {
118 kDebug() << "//// DOCUMENT: " << doc.toString();
119 QDomNode props = doc.elementsByTagName("properties").item(0);
120 if (!props.isNull()) {
121 cursorPos = props.toElement().attribute("timeline_position").toInt();
123 QDomNodeList tracks = doc.elementsByTagName("playlist");
125 m_projectTracks = tracks.count();
126 int trackduration = 0;
127 kDebug() << "//////////// TIMELINE FOUND: " << m_projectTracks << " tracks";
128 for (int i = 0; i < m_projectTracks; i++) {
129 if (tracks.item(i).toElement().attribute("id") != "playlistmain") {
130 if (tracks.item(i).toElement().attribute("hide", QString::null) == "video") {
131 // this is an audio track
132 trackduration = slotAddAudioTrack(i, tracks.item(i).toElement());
133 } else if (!tracks.item(i).toElement().attribute("id", QString::null).isEmpty())
134 trackduration = slotAddVideoTrack(i, tracks.item(i).toElement());
135 kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
136 if (trackduration > duration) duration = trackduration;
139 m_trackview->setDuration(duration);
140 slotRebuildTrackHeaders();
141 //m_trackview->setCursorPos(cursorPos);
142 //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
145 void TrackView::slotDeleteClip(int clipId) {
146 m_trackview->deleteClip(clipId);
149 void TrackView::setCursorPos(int pos) {
150 m_trackview->setCursorPos(pos);
153 void TrackView::moveCursorPos(int pos) {
154 m_trackview->setCursorPos(pos, false);
157 void TrackView::slotChangeZoom(int factor) {
159 m_ruler->setPixelPerMark(factor);
160 m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
161 m_currentZoom = factor;
162 m_trackview->setScale(m_scale);
165 int TrackView::fitZoom() const {
166 int zoom = (duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width();
168 for (i = 0; i < 13; i++)
169 if (m_ruler->comboScale[i] > zoom) break;
173 const double TrackView::zoomFactor() const {
177 const int TrackView::mapLocalToValue(int x) const {
178 return (int) x * zoomFactor();
181 KdenliveDoc *TrackView::document() {
185 void TrackView::refresh() {
186 m_trackview->viewport()->update();
189 void TrackView::slotRebuildTrackHeaders() {
190 QList <TrackInfo> list = m_trackview->tracksList();
191 QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
192 for (int i = 0; i < widgets.count(); i++)
193 delete widgets.at(i);
194 int max = list.count();
195 for (int i = 0; i < max; i++) {
196 HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
197 connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
198 connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
199 m_headersLayout->addWidget(header);
201 view->headers_container->adjustSize();
204 int TrackView::slotAddAudioTrack(int ix, QDomElement xml) {
205 kDebug() << "************* ADD AUDIO TRACK " << ix;
207 info.type = AUDIOTRACK;
209 info.isBlind = false;
210 m_trackview->addTrack(info);
211 //documentTracks.insert(ix, track);
216 int TrackView::slotAddVideoTrack(int ix, QDomElement xml) {
218 info.type = VIDEOTRACK;
220 info.isBlind = false;
221 m_trackview->addTrack(info);
223 int trackTop = KdenliveSettings::trackheight() * ix;
226 for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
227 QDomElement elem = n.toElement();
228 if (elem.tagName() == "blank") {
229 position += elem.attribute("length", 0).toInt();
230 } else if (elem.tagName() == "entry") {
231 int in = elem.attribute("in", 0).toInt();
232 int id = elem.attribute("producer", 0).toInt();
233 DocClipBase *clip = m_doc->clipManager()->getClipById(id);
234 int out = elem.attribute("out", 0).toInt() - in;
235 //kDebug()<<"++++++++++++++\n\n / / /ADDING CLIP: "<<clip.cropTime<<", out: "<<clip.duration<<", Producer: "<<clip.producer<<"\n\n++++++++++++++++++++";
236 ClipItem *item = new ClipItem(clip, ix, GenTime(position, m_doc->fps()), QRectF(position * m_scale, trackTop + 1, out * m_scale, KdenliveSettings::trackheight() - 1), GenTime(out, m_doc->fps()), m_doc->fps());
237 m_scene->addItem(item);
240 //m_clipList.append(clip);
243 //m_trackDuration = position;
246 //documentTracks.insert(ix, track);
247 kDebug() << "************* ADD VIDEO TRACK " << ix << ", DURATION: " << position;
252 QGraphicsScene *TrackView::projectScene() {
256 CustomTrackView *TrackView::projectView() {
260 void TrackView::setEditMode(const QString & editMode) {
261 m_editMode = editMode;
264 const QString & TrackView::editMode() const {
268 #include "trackview.moc"