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"
32 #include "clipmanager.h"
33 #include "customruler.h"
34 #include "kdenlivedoc.h"
35 #include "customtrackview.h"
37 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent)
38 : QWidget(parent), m_doc(doc), m_scale(1.0), m_projectTracks(0), m_currentZoom(4) {
40 view = new Ui::TimeLine_UI();
43 m_scene = new QGraphicsScene();
44 m_trackview = new CustomTrackView(doc, m_scene, parent);
45 m_trackview->scale(1, 1);
46 m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
47 //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
49 m_ruler = new CustomRuler(doc->timecode(), m_trackview);
50 QHBoxLayout *layout = new QHBoxLayout;
51 view->ruler_frame->setLayout(layout);
54 layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
55 layout->setContentsMargins(left_margin, 0, right_margin, 0);
56 layout->addWidget(m_ruler);
58 QHBoxLayout *tracksLayout = new QHBoxLayout;
59 tracksLayout->setContentsMargins(0, 0, 0, 0);
60 view->tracks_frame->setLayout(tracksLayout);
62 view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
63 view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
65 m_headersLayout = new QVBoxLayout;
66 m_headersLayout->setContentsMargins(0, 0, 0, 0);
67 m_headersLayout->setSpacing(0);
68 view->headers_container->setLayout(m_headersLayout);
70 connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
72 tracksLayout->addWidget(m_trackview);
74 connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
75 connect(m_trackview, SIGNAL(trackHeightChanged()), this, SLOT(slotRebuildTrackHeaders()));
77 parseDocument(doc->toXml());
79 connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
80 connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
81 connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
82 connect(m_trackview, SIGNAL(clipItemSelected(ClipItem*)), this, SLOT(slotClipItemSelected(ClipItem*)));
83 connect(m_trackview, SIGNAL(transitionItemSelected(Transition*)), this, SLOT(slotTransitionItemSelected(Transition*)));
84 slotChangeZoom(m_currentZoom);
87 int TrackView::currentZoom() const {
91 int TrackView::duration() const {
92 return m_trackview->duration();
95 int TrackView::tracksNumber() const {
96 return m_projectTracks;
99 int TrackView::inPoint() const {
100 return m_ruler->inPoint();
103 int TrackView::outPoint() const {
104 return m_ruler->outPoint();
107 void TrackView::slotClipItemSelected(ClipItem*c) {
108 emit clipItemSelected(c);
111 void TrackView::slotTransitionItemSelected(Transition *t) {
112 emit transitionItemSelected(t);
115 void TrackView::setDuration(int dur) {
116 m_trackview->setDuration(dur);
117 m_ruler->setDuration(dur);
120 void TrackView::parseDocument(QDomDocument doc) {
122 kDebug() << "//// DOCUMENT: " << doc.toString();
123 QDomNode props = doc.elementsByTagName("properties").item(0);
124 if (!props.isNull()) {
125 cursorPos = props.toElement().attribute("timeline_position").toInt();
127 QDomNodeList tracks = doc.elementsByTagName("playlist");
129 m_projectTracks = tracks.count();
130 int trackduration = 0;
131 kDebug() << "//////////// TIMELINE FOUND: " << m_projectTracks << " tracks";
132 for (int i = 0; i < m_projectTracks; i++) {
133 if (tracks.item(i).toElement().attribute("id") != "playlistmain") {
134 if (tracks.item(i).toElement().attribute("hide", QString::null) == "video") {
135 // this is an audio track
136 trackduration = slotAddAudioTrack(i, tracks.item(i).toElement());
137 } else if (!tracks.item(i).toElement().attribute("id", QString::null).isEmpty())
138 trackduration = slotAddVideoTrack(i, tracks.item(i).toElement());
139 kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
140 if (trackduration > duration) duration = trackduration;
143 m_trackview->setDuration(duration);
144 slotRebuildTrackHeaders();
145 //m_trackview->setCursorPos(cursorPos);
146 //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
149 void TrackView::slotDeleteClip(int clipId) {
150 m_trackview->deleteClip(clipId);
153 void TrackView::setCursorPos(int pos) {
154 m_trackview->setCursorPos(pos);
157 void TrackView::moveCursorPos(int pos) {
158 m_trackview->setCursorPos(pos, false);
161 void TrackView::slotChangeZoom(int factor) {
163 m_ruler->setPixelPerMark(factor);
164 m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
165 m_currentZoom = factor;
166 m_trackview->setScale(m_scale);
169 int TrackView::fitZoom() const {
170 int zoom = (duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width();
172 for (i = 0; i < 13; i++)
173 if (m_ruler->comboScale[i] > zoom) break;
177 const double TrackView::zoomFactor() const {
181 const int TrackView::mapLocalToValue(int x) const {
182 return (int) x * zoomFactor();
185 KdenliveDoc *TrackView::document() {
189 void TrackView::refresh() {
190 m_trackview->viewport()->update();
193 void TrackView::slotRebuildTrackHeaders() {
194 QList <TrackInfo> list = m_trackview->tracksList();
195 QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
196 for (int i = 0; i < widgets.count(); i++)
197 delete widgets.at(i);
198 int max = list.count();
199 for (int i = 0; i < max; i++) {
200 HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
201 connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
202 connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
203 m_headersLayout->addWidget(header);
205 view->headers_container->adjustSize();
208 int TrackView::slotAddAudioTrack(int ix, QDomElement xml) {
209 kDebug() << "************* ADD AUDIO TRACK " << ix;
211 info.type = AUDIOTRACK;
213 info.isBlind = false;
214 m_trackview->addTrack(info);
215 //documentTracks.insert(ix, track);
220 int TrackView::slotAddVideoTrack(int ix, QDomElement xml) {
222 info.type = VIDEOTRACK;
224 info.isBlind = false;
225 m_trackview->addTrack(info);
227 int trackTop = KdenliveSettings::trackheight() * ix;
230 for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
231 QDomElement elem = n.toElement();
232 if (elem.tagName() == "blank") {
233 position += elem.attribute("length", 0).toInt();
234 } else if (elem.tagName() == "entry") {
235 int in = elem.attribute("in", 0).toInt();
236 int id = elem.attribute("producer", 0).toInt();
237 DocClipBase *clip = m_doc->clipManager()->getClipById(id);
238 int out = elem.attribute("out", 0).toInt() - in;
239 //kDebug()<<"++++++++++++++\n\n / / /ADDING CLIP: "<<clip.cropTime<<", out: "<<clip.duration<<", Producer: "<<clip.producer<<"\n\n++++++++++++++++++++";
240 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());
241 m_scene->addItem(item);
244 //m_clipList.append(clip);
247 //m_trackDuration = position;
250 //documentTracks.insert(ix, track);
251 kDebug() << "************* ADD VIDEO TRACK " << ix << ", DURATION: " << position;
256 QGraphicsScene *TrackView::projectScene() {
260 CustomTrackView *TrackView::projectView() {
264 void TrackView::setEditMode(const QString & editMode) {
265 m_editMode = editMode;
268 const QString & TrackView::editMode() const {
272 #include "trackview.moc"