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_projectDuration(0) {
34 setMouseTracking(true);
35 view = new Ui::TimeLine_UI();
37 m_ruler = new CustomRuler(doc->timecode());
38 QVBoxLayout *layout = new QVBoxLayout;
39 view->ruler_frame->setLayout(layout);
40 layout->addWidget(m_ruler);
42 m_scene = new QGraphicsScene();
43 m_trackview = new CustomTrackView(doc, m_scene, this);
44 m_trackview->scale(1, 1);
45 m_trackview->setAlignment(Qt::AlignLeft | Qt::AlignTop);
46 //m_scene->addRect(QRectF(0, 0, 100, 100), QPen(), QBrush(Qt::red));
48 m_headersLayout = new QVBoxLayout;
49 m_headersLayout->setContentsMargins(0, 0, 0, 0);
50 view->headers_frame->setLayout(m_headersLayout);
52 QVBoxLayout *tracksLayout = new QVBoxLayout;
53 tracksLayout->setContentsMargins(0, 0, 0, 0);
54 view->tracks_frame->setLayout(tracksLayout);
55 tracksLayout->addWidget(m_trackview);
57 parseDocument(doc->toXml());
59 TrackPanelClipMoveFunction *m_moveFunction = new TrackPanelClipMoveFunction(this);
60 registerFunction("move", m_moveFunction);
61 setEditMode("move");*/
63 connect(view->horizontalSlider, SIGNAL(valueChanged(int)), this, SLOT(slotChangeZoom(int)));
64 connect(m_ruler, SIGNAL(cursorMoved(int)), this, SLOT(setCursorPos(int)));
65 connect(m_trackview, SIGNAL(cursorMoved(int)), this, SLOT(slotCursorMoved(int)));
66 connect(m_trackview, SIGNAL(zoomIn()), this, SLOT(slotZoomIn()));
67 connect(m_trackview, SIGNAL(zoomOut()), this, SLOT(slotZoomOut()));
68 connect(m_trackview->horizontalScrollBar(), SIGNAL(valueChanged(int)), m_ruler, SLOT(slotMoveRuler(int)));
69 connect(m_trackview, SIGNAL(mousePosition(int)), this, SIGNAL(mousePosition(int)));
70 connect(m_trackview, SIGNAL(clipItemSelected(ClipItem*)), this, SLOT(slotClipItemSelected(ClipItem*)));
71 view->horizontalSlider->setValue(4);
72 m_currentZoom = view->horizontalSlider->value();
76 int TrackView::duration() {
77 return m_projectDuration;
80 int TrackView::tracksNumber() {
81 return m_projectTracks;
84 void TrackView::slotClipItemSelected(ClipItem*c) {
85 emit clipItemSelected(c);
88 void TrackView::parseDocument(QDomDocument doc) {
90 kDebug() << "//// DOCUMENT: " << doc.toString();
91 QDomNode props = doc.elementsByTagName("properties").item(0);
92 if (!props.isNull()) {
93 cursorPos = props.toElement().attribute("timeline_position").toInt();
95 QDomNodeList tracks = doc.elementsByTagName("playlist");
96 m_projectDuration = 300;
97 m_projectTracks = tracks.count();
99 kDebug() << "//////////// TIMELINE FOUND: " << m_projectTracks << " tracks";
100 for (int i = 0; i < m_projectTracks; i++) {
101 if (tracks.item(i).toElement().attribute("hide", QString::null) == "video") {
102 // this is an audio track
103 duration = slotAddAudioTrack(i, tracks.item(i).toElement());
104 } else if (!tracks.item(i).toElement().attribute("id", QString::null).isEmpty())
105 duration = slotAddVideoTrack(i, tracks.item(i).toElement());
106 kDebug() << " PRO DUR: " << m_projectDuration << ", TRACK DUR: " << duration;
107 if (duration > m_projectDuration) m_projectDuration = duration;
109 m_trackview->setDuration(m_projectDuration);
110 slotCursorMoved(cursorPos, true);
111 //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
114 void TrackView::slotDeleteClip(int clipId) {
115 m_trackview->deleteClip(clipId);
118 void TrackView::setCursorPos(int pos) {
120 m_trackview->setCursorPos(pos * m_scale);
123 void TrackView::moveCursorPos(int pos) {
124 m_trackview->setCursorPos(pos * m_scale, false);
125 m_ruler->slotNewValue(pos * FRAME_SIZE, false);
128 void TrackView::slotCursorMoved(int pos, bool emitSignal) {
129 m_ruler->slotNewValue(pos * FRAME_SIZE / m_scale, emitSignal); //(int) m_trackview->mapToScene(QPoint(pos, 0)).x());
130 //m_trackview->setCursorPos(pos);
131 //m_trackview->invalidateScene(QRectF(), QGraphicsScene::ForegroundLayer);
134 void TrackView::slotChangeZoom(int factor) {
135 double pos = m_trackview->cursorPos() / m_scale;
136 m_ruler->setPixelPerMark(factor);
137 m_scale = (double) FRAME_SIZE / m_ruler->comboScale[factor]; // m_ruler->comboScale[m_currentZoom] /
138 m_currentZoom = factor;
139 m_trackview->setScale(m_scale);
140 m_trackview->setCursorPos(pos * m_scale, false);
141 m_ruler->slotNewValue(pos * FRAME_SIZE, false);
142 m_trackview->centerOn(QPointF(m_trackview->cursorPos(), 50));
145 const double TrackView::zoomFactor() const {
149 void TrackView::slotZoomIn() {
150 view->horizontalSlider->setValue(view->horizontalSlider->value() - 1);
153 void TrackView::slotZoomOut() {
154 view->horizontalSlider->setValue(view->horizontalSlider->value() + 1);
157 const int TrackView::mapLocalToValue(int x) const {
158 return (int) x * zoomFactor();
161 KdenliveDoc *TrackView::document() {
165 void TrackView::refresh() {
166 m_trackview->viewport()->update();
169 int TrackView::slotAddAudioTrack(int ix, QDomElement xml) {
170 kDebug() << "************* ADD AUDIO TRACK " << ix;
171 m_trackview->addTrack();
172 HeaderTrack *header = new HeaderTrack();
173 //m_tracksAreaLayout->addWidget(track); //, ix, Qt::AlignTop);
174 m_headersLayout->addWidget(header); //, ix, Qt::AlignTop);
175 //documentTracks.insert(ix, track);
180 int TrackView::slotAddVideoTrack(int ix, QDomElement xml) {
181 m_trackview->addTrack();
182 HeaderTrack *header = new HeaderTrack();
183 int trackTop = 50 * ix;
184 int trackBottom = trackTop + 50;
187 for (QDomNode n = xml.firstChild(); !n.isNull(); n = n.nextSibling()) {
188 QDomElement elem = n.toElement();
189 if (elem.tagName() == "blank") {
190 position += elem.attribute("length", 0).toInt();
191 } else if (elem.tagName() == "entry") {
192 int in = elem.attribute("in", 0).toInt();
193 int id = elem.attribute("producer", 0).toInt();
194 DocClipBase *clip = m_doc->clipManager()->getClipById(id);
195 int out = elem.attribute("out", 0).toInt() - in;
196 //kDebug()<<"++++++++++++++\n\n / / /ADDING CLIP: "<<clip.cropTime<<", out: "<<clip.duration<<", Producer: "<<clip.producer<<"\n\n++++++++++++++++++++";
197 ClipItem *item = new ClipItem(clip, ix, position, QRectF(position * m_scale, trackTop + 1, out * m_scale, 49), out);
198 m_scene->addItem(item);
201 //m_clipList.append(clip);
204 //m_trackDuration = position;
206 //m_tracksAreaLayout->addWidget(track); //, ix, Qt::AlignTop);
207 m_headersLayout->addWidget(header); //, ix, Qt::AlignTop);
208 //documentTracks.insert(ix, track);
209 kDebug() << "************* ADD VIDEO TRACK " << ix << ", DURATION: " << position;
214 QGraphicsScene *TrackView::projectScene() {
218 CustomTrackView *TrackView::projectView() {
222 void TrackView::setEditMode(const QString & editMode) {
223 m_editMode = editMode;
226 const QString & TrackView::editMode() const {
230 #include "trackview.moc"