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("track");
128 QDomNodeList playlists = doc.elementsByTagName("playlist");
130 m_projectTracks = tracks.count();
131 int trackduration = 0;
135 kDebug() << "//////////// TIMELINE FOUND: " << m_projectTracks << " tracks";
136 int pos = m_projectTracks - 1;
137 for (int i = 0; i < m_projectTracks; i++) {
138 e = tracks.item(i).toElement();
139 QString playlist_name = e.attribute("producer");
140 if (playlist_name != "black_track" && playlist_name != "playlistmain") {
141 // find playlist related to this track
143 for (int j = 0; j < m_projectTracks; j++) {
144 p = playlists.item(j).toElement();
145 if (p.attribute("id") == playlist_name) break;
147 videotrack = (e.attribute("hide") != "video");
148 trackduration = slotAddProjectTrack(pos, p, videotrack);
150 kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
151 if (trackduration > duration) duration = trackduration;
154 m_trackview->setDuration(duration);
155 slotRebuildTrackHeaders();
156 //m_trackview->setCursorPos(cursorPos);
157 //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
160 void TrackView::slotDeleteClip(int clipId) {
161 m_trackview->deleteClip(clipId);
164 void TrackView::setCursorPos(int pos) {
165 m_trackview->setCursorPos(pos);
168 void TrackView::moveCursorPos(int pos) {
169 m_trackview->setCursorPos(pos, false);
172 void TrackView::slotChangeZoom(int factor) {
174 m_ruler->setPixelPerMark(factor);
175 m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
176 m_currentZoom = factor;
177 m_trackview->setScale(m_scale);
180 int TrackView::fitZoom() const {
181 int zoom = (int)((duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width());
183 for (i = 0; i < 13; i++)
184 if (m_ruler->comboScale[i] > zoom) break;
188 const double TrackView::zoomFactor() const {
192 const int TrackView::mapLocalToValue(int x) const {
193 return (int)(x * zoomFactor());
196 KdenliveDoc *TrackView::document() {
200 void TrackView::refresh() {
201 m_trackview->viewport()->update();
204 void TrackView::slotRebuildTrackHeaders() {
205 QList <TrackInfo> list = m_trackview->tracksList();
206 QList<HeaderTrack *> widgets = this->findChildren<HeaderTrack *>();
207 for (int i = 0; i < widgets.count(); i++)
208 delete widgets.at(i);
209 int max = list.count();
210 for (int i = 0; i < max; i++) {
211 HeaderTrack *header = new HeaderTrack(i, list.at(max - i - 1), this);
212 connect(header, SIGNAL(switchTrackVideo(int)), m_trackview, SLOT(slotSwitchTrackVideo(int)));
213 connect(header, SIGNAL(switchTrackAudio(int)), m_trackview, SLOT(slotSwitchTrackAudio(int)));
214 m_headersLayout->addWidget(header);
216 view->headers_container->adjustSize();
219 int TrackView::slotAddProjectTrack(int ix, QDomElement xml, bool videotrack) {
222 info.type = VIDEOTRACK;
224 info.isBlind = false;
226 info.type = AUDIOTRACK;
228 info.isBlind = false;
231 m_trackview->addTrack(info);
233 int trackTop = KdenliveSettings::trackheight() * ix;
237 for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
238 QDomElement elem = n.toElement();
239 if (elem.tagName() == "blank") {
240 position += elem.attribute("length").toInt();
241 } else if (elem.tagName() == "entry") {
242 int in = elem.attribute("in").toInt();
243 int id = elem.attribute("producer").toInt();
244 DocClipBase *clip = m_doc->clipManager()->getClipById(id);
246 int out = elem.attribute("out").toInt();
249 clipinfo.startPos = GenTime(position, m_doc->fps());
250 clipinfo.endPos = GenTime(out, m_doc->fps());
252 kDebug() << "// INSERTING CLIP: " << in << "x" << out << ", track: " << ix << ", ID: " << id << ", SCALE: " << m_scale << ", FPS: " << m_doc->fps();
253 ClipItem *item = new ClipItem(clip, clipinfo, m_scale, m_doc->fps());
254 m_scene->addItem(item);
256 } else kWarning() << "CANNOT INSERT CLIP " << id;
257 //m_clipList.append(clip);
260 //m_trackDuration = position;
263 //documentTracks.insert(ix, track);
264 kDebug() << "************* ADD DOC TRACK " << ix << ", DURATION: " << position;
269 QGraphicsScene *TrackView::projectScene() {
273 CustomTrackView *TrackView::projectView() {
277 void TrackView::setEditMode(const QString & editMode) {
278 m_editMode = editMode;
281 const QString & TrackView::editMode() const {
285 #include "trackview.moc"