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"
32 TrackView::TrackView(KdenliveDoc *doc, QWidget *parent)
33 : QWidget(parent), m_doc(doc), m_scale(1.0), m_projectTracks(0), m_currentZoom(4) {
35 view = new Ui::TimeLine_UI();
38 m_scene = new QGraphicsScene();
39 m_trackview = new CustomTrackView(doc, m_scene, parent);
40 m_trackview->scale(1, 1);
41 m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
42 //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
44 m_ruler = new CustomRuler(doc->timecode(), m_trackview);
45 QHBoxLayout *layout = new QHBoxLayout;
46 view->ruler_frame->setLayout(layout);
49 layout->getContentsMargins(&left_margin, 0, &right_margin, 0);
50 layout->setContentsMargins(left_margin, 0, right_margin, 0);
51 layout->addWidget(m_ruler);
53 QHBoxLayout *tracksLayout = new QHBoxLayout;
54 tracksLayout->setContentsMargins(0, 0, 0, 0);
55 view->tracks_frame->setLayout(tracksLayout);
57 view->headers_area->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
58 view->headers_area->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
60 m_headersLayout = new QVBoxLayout;
61 m_headersLayout->setContentsMargins(0, 0, 0, 0);
62 m_headersLayout->setSpacing(0);
63 view->headers_container->setLayout(m_headersLayout);
65 connect(view->headers_area->verticalScrollBar(), SIGNAL(valueChanged(int)), m_trackview->verticalScrollBar(), SLOT(setValue(int)));
67 tracksLayout->addWidget(m_trackview);
69 connect(m_trackview->verticalScrollBar(), SIGNAL(valueChanged(int)), view->headers_area->verticalScrollBar(), SLOT(setValue(int)));
71 parseDocument(doc->toXml());
73 connect(m_trackview, SIGNAL(cursorMoved(int, int)), m_ruler, SLOT(slotCursorMoved(int, int)));
74 connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
75 connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
76 connect(m_trackview, SIGNAL(clipItemSelected(ClipItem*)), this, SLOT(slotClipItemSelected(ClipItem*)));
77 connect(m_trackview, SIGNAL(transitionItemSelected(Transition*)), this, SLOT(slotTransitionItemSelected(Transition*)));
78 slotChangeZoom(m_currentZoom);
81 int TrackView::currentZoom() const {
85 int TrackView::duration() const {
86 return m_trackview->duration();
89 int TrackView::tracksNumber() const {
90 return m_projectTracks;
93 int TrackView::inPoint() const {
94 return m_ruler->inPoint();
97 int TrackView::outPoint() const {
98 return m_ruler->outPoint();
101 void TrackView::slotClipItemSelected(ClipItem*c) {
102 emit clipItemSelected(c);
105 void TrackView::slotTransitionItemSelected(Transition *t) {
106 emit transitionItemSelected(t);
109 void TrackView::setDuration(int dur) {
110 m_trackview->setDuration(dur);
111 m_ruler->setDuration(dur);
114 void TrackView::parseDocument(QDomDocument doc) {
116 kDebug() << "//// DOCUMENT: " << doc.toString();
117 QDomNode props = doc.elementsByTagName("properties").item(0);
118 if (!props.isNull()) {
119 cursorPos = props.toElement().attribute("timeline_position").toInt();
121 QDomNodeList tracks = doc.elementsByTagName("playlist");
123 m_projectTracks = tracks.count();
124 int trackduration = 0;
125 kDebug() << "//////////// TIMELINE FOUND: " << m_projectTracks << " tracks";
126 for (int i = 0; i < m_projectTracks; i++) {
127 if (tracks.item(i).toElement().attribute("hide", QString::null) == "video") {
128 // this is an audio track
129 trackduration = slotAddAudioTrack(i, tracks.item(i).toElement());
130 } else if (!tracks.item(i).toElement().attribute("id", QString::null).isEmpty())
131 trackduration = slotAddVideoTrack(i, tracks.item(i).toElement());
132 kDebug() << " PRO DUR: " << trackduration << ", TRACK DUR: " << duration;
133 if (trackduration > duration) duration = trackduration;
135 m_trackview->setDuration(duration);
136 //m_trackview->setCursorPos(cursorPos);
137 //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
140 void TrackView::slotDeleteClip(int clipId) {
141 m_trackview->deleteClip(clipId);
144 void TrackView::setCursorPos(int pos) {
145 m_trackview->setCursorPos(pos);
148 void TrackView::moveCursorPos(int pos) {
149 m_trackview->setCursorPos(pos, false);
152 void TrackView::slotChangeZoom(int factor) {
154 m_ruler->setPixelPerMark(factor);
155 m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
156 m_currentZoom = factor;
157 m_trackview->setScale(m_scale);
160 int TrackView::fitZoom() const {
161 int zoom = (duration() + 20 / m_scale) * FRAME_SIZE / m_trackview->width();
163 for (i = 0; i < 13; i++)
164 if (m_ruler->comboScale[i] > zoom) break;
168 const double TrackView::zoomFactor() const {
172 const int TrackView::mapLocalToValue(int x) const {
173 return (int) x * zoomFactor();
176 KdenliveDoc *TrackView::document() {
180 void TrackView::refresh() {
181 m_trackview->viewport()->update();
184 int TrackView::slotAddAudioTrack(int ix, QDomElement xml) {
185 kDebug() << "************* ADD AUDIO TRACK " << ix;
186 m_trackview->addTrack();
187 HeaderTrack *header = new HeaderTrack(ix);
188 //m_tracksAreaLayout->addWidget(track); //, ix, Qt::AlignTop);
189 m_headersLayout->addWidget(header); //, ix, Qt::AlignTop);
190 view->headers_container->adjustSize();
191 //documentTracks.insert(ix, track);
196 int TrackView::slotAddVideoTrack(int ix, QDomElement xml) {
197 m_trackview->addTrack();
198 HeaderTrack *header = new HeaderTrack(ix);
199 int trackTop = 50 * ix;
200 int trackBottom = trackTop + 50;
203 for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
204 QDomElement elem = n.toElement();
205 if (elem.tagName() == "blank") {
206 position += elem.attribute("length", 0).toInt();
207 } else if (elem.tagName() == "entry") {
208 int in = elem.attribute("in", 0).toInt();
209 int id = elem.attribute("producer", 0).toInt();
210 DocClipBase *clip = m_doc->clipManager()->getClipById(id);
211 int out = elem.attribute("out", 0).toInt() - in;
212 //kDebug()<<"++++++++++++++\n\n / / /ADDING CLIP: "<<clip.cropTime<<", out: "<<clip.duration<<", Producer: "<<clip.producer<<"\n\n++++++++++++++++++++";
213 ClipItem *item = new ClipItem(clip, ix, GenTime(position, m_doc->fps()), QRectF(position * m_scale, trackTop + 1, out * m_scale, 49), GenTime(out, m_doc->fps()), m_doc->fps());
214 m_scene->addItem(item);
217 //m_clipList.append(clip);
220 //m_trackDuration = position;
222 //m_tracksAreaLayout->addWidget(track); //, ix, Qt::AlignTop);
223 m_headersLayout->addWidget(header); //, ix, Qt::AlignTop);
224 view->headers_container->adjustSize();
225 //documentTracks.insert(ix, track);
226 kDebug() << "************* ADD VIDEO TRACK " << ix << ", DURATION: " << position;
231 QGraphicsScene *TrackView::projectScene() {
235 CustomTrackView *TrackView::projectView() {
239 void TrackView::setEditMode(const QString & editMode) {
240 m_editMode = editMode;
243 const QString & TrackView::editMode() const {
247 #include "trackview.moc"