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 ***************************************************************************/
20 #include <QMouseEvent>
21 #include <QStylePainter>
22 #include <QGraphicsItem>
23 #include <QDomDocument>
30 #include "customtrackview.h"
32 #include "definitions.h"
33 #include "moveclipcommand.h"
34 #include "resizeclipcommand.h"
35 #include "addtimelineclipcommand.h"
37 CustomTrackView::CustomTrackView(KdenliveDoc *doc, QGraphicsScene * projectscene, QWidget *parent)
38 : QGraphicsView(projectscene, parent), m_tracksCount(0), m_cursorPos(0), m_dropItem(NULL), m_cursorLine(NULL), m_operationMode(NONE), m_startPos(QPointF()), m_dragItem(NULL), m_visualTip(NULL), m_moveOpMode(NONE), m_animation(NULL), m_projectDuration(0), m_scale(1.0), m_clickPoint(0), m_document(doc)
40 if (doc) m_commandStack = doc->commandStack();
41 else m_commandStack == NULL;
42 setMouseTracking(true);
44 m_animationTimer = new QTimeLine(800);
45 m_animationTimer->setFrameRange(0, 5);
46 m_animationTimer->setUpdateInterval(100);
47 m_animationTimer->setLoopCount(0);
48 m_tipColor = QColor(230, 50, 0, 150);
49 setContentsMargins(0, 0, 0, 0);
51 m_cursorLine = projectscene->addLine(0, 0, 0, 50);
52 m_cursorLine->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIgnoresTransformations);
53 m_cursorLine->setZValue(1000);
57 void CustomTrackView::initView()
63 void CustomTrackView::resizeEvent ( QResizeEvent * event )
65 QGraphicsView::resizeEvent(event);
69 void CustomTrackView::wheelEvent ( QWheelEvent * e )
71 if (e->modifiers() == Qt::ControlModifier) {
72 if (e->delta() > 0) emit zoomIn();
76 if (e->delta() > 0) horizontalScrollBar()->setValue (horizontalScrollBar()->value() + horizontalScrollBar()->singleStep ());
77 else horizontalScrollBar()->setValue (horizontalScrollBar()->value() - horizontalScrollBar()->singleStep ());
83 void CustomTrackView::mouseMoveEvent ( QMouseEvent * event )
86 emit mousePosition(mapToScene(event->pos()).x() / m_scale);
87 /*if (event->modifiers() == Qt::ControlModifier)
88 setDragMode(QGraphicsView::ScrollHandDrag);
89 else if (event->modifiers() == Qt::ShiftModifier)
90 setDragMode(QGraphicsView::RubberBandDrag);
93 if (m_dragItem) { //event->button() == Qt::LeftButton) {
94 // a button was pressed, delete visual tips
95 if (m_operationMode == MOVE) {
96 double snappedPos = getSnapPointForPos(mapToScene(event->pos()).x() - m_clickPoint);
97 double moveX = snappedPos; //mapToScene(event->pos()).x();
98 //kDebug()<<"/////// MOVE CLIP, EVENT Y: "<<event->scenePos().y()<<", SCENE HEIGHT: "<<scene()->sceneRect().height();
99 int moveTrack = (int) mapToScene(event->pos()).y() / 50;
100 int currentTrack = m_dragItem->track();
102 if (moveTrack > m_tracksCount - 1) moveTrack = m_tracksCount - 1;
103 else if (moveTrack < 0) moveTrack = 0;
105 int offset = moveTrack - currentTrack;
106 if (offset != 0) offset = 50 * offset;
107 m_dragItem->moveTo(moveX / m_scale, m_scale, offset, moveTrack);
109 else if (m_operationMode == RESIZESTART) {
110 int pos = mapToScene(event->pos()).x();
111 m_dragItem->resizeStart(pos / m_scale, m_scale);
113 else if (m_operationMode == RESIZEEND) {
114 int pos = mapToScene(event->pos()).x();
115 m_dragItem->resizeEnd(pos / m_scale, m_scale);
117 else if (m_operationMode == FADEIN) {
118 int pos = mapToScene(event->pos()).x() / m_scale;
119 m_dragItem->setFadeIn(pos - m_dragItem->startPos(), m_scale);
121 else if (m_operationMode == FADEOUT) {
122 int pos = mapToScene(event->pos()).x() / m_scale;
123 m_dragItem->setFadeOut(m_dragItem->endPos() - pos, m_scale);
126 if (m_animation) delete m_animation;
128 if (m_visualTip) delete m_visualTip;
130 QGraphicsView::mouseMoveEvent(event);
134 QList<QGraphicsItem *> itemList = items( event->pos());
136 QGraphicsItem *item = NULL;
137 for (int i = 0; i < itemList.count(); i++) {
138 if (itemList.at(i)->type() == 70000) {
139 item = itemList.at(i);
144 ClipItem *clip = (ClipItem*) item;
145 double size = mapToScene(QPoint(8, 0)).x();
146 OPERATIONTYPE opMode = clip->operationMode(mapToScene(event->pos()), m_scale);
147 if (opMode == m_moveOpMode) {
148 QGraphicsView::mouseMoveEvent(event);
153 if (m_animation) delete m_animation;
159 m_moveOpMode = opMode;
160 if (opMode == MOVE) {
161 setCursor(Qt::OpenHandCursor);
163 else if (opMode == RESIZESTART) {
164 kDebug()<<"******** RESIZE CLIP START; WIDTH: "<<size;
165 if (m_visualTip == NULL) {
166 m_visualTip = new QGraphicsRectItem(clip->rect().x(), clip->rect().y(), size, clip->rect().height());
167 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
168 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
169 m_visualTip->setZValue (100);
170 m_animation = new QGraphicsItemAnimation;
171 m_animation->setItem(m_visualTip);
172 m_animation->setTimeLine(m_animationTimer);
173 m_visualTip->setPos(0, 0);
175 m_animation->setScaleAt(.5, scale, 1);
176 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
178 m_animation->setScaleAt(1, scale, 1);
179 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
180 scene()->addItem(m_visualTip);
181 m_animationTimer->start();
183 setCursor(Qt::SizeHorCursor);
185 else if (opMode == RESIZEEND) {
186 if (m_visualTip == NULL) {
187 m_visualTip = new QGraphicsRectItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y(), size, clip->rect().height());
188 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
189 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
190 m_visualTip->setZValue (100);
191 m_animation = new QGraphicsItemAnimation;
192 m_animation->setItem(m_visualTip);
193 m_animation->setTimeLine(m_animationTimer);
194 m_visualTip->setPos(0, 0);
196 m_animation->setScaleAt(.5, scale, 1);
197 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
199 m_animation->setScaleAt(1, scale, 1);
200 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
201 scene()->addItem(m_visualTip);
202 m_animationTimer->start();
204 setCursor(Qt::SizeHorCursor);
206 else if (opMode == FADEIN) {
207 if (m_visualTip == NULL) {
208 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->fadeIn() * m_scale - size, clip->rect().y() - 8, size * 2, 16);
209 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
210 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
211 m_visualTip->setZValue (100);
212 m_animation = new QGraphicsItemAnimation;
213 m_animation->setItem(m_visualTip);
214 m_animation->setTimeLine(m_animationTimer);
215 m_visualTip->setPos(0, 0);
217 m_animation->setScaleAt(.5, scale, scale);
218 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->fadeIn() * m_scale, clip->rect().y() - clip->rect().y() * scale));
220 m_animation->setScaleAt(1, scale, scale);
221 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
222 scene()->addItem(m_visualTip);
223 m_animationTimer->start();
225 setCursor(Qt::PointingHandCursor);
227 else if (opMode == FADEOUT) {
228 if (m_visualTip == NULL) {
229 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - clip->fadeOut() * m_scale - size, clip->rect().y() - 8, size*2, 16);
230 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
231 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
232 m_visualTip->setZValue (100);
233 m_animation = new QGraphicsItemAnimation;
234 m_animation->setItem(m_visualTip);
235 m_animation->setTimeLine(m_animationTimer);
236 m_visualTip->setPos(0, 0);
238 m_animation->setScaleAt(.5, scale, scale);
239 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width() + clip->fadeOut() * m_scale, clip->rect().y() - clip->rect().y() * scale));
241 m_animation->setScaleAt(1, scale, scale);
242 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
243 scene()->addItem(m_visualTip);
244 m_animationTimer->start();
246 setCursor(Qt::PointingHandCursor);
252 if (m_animation) delete m_animation;
257 setCursor(Qt::ArrowCursor);
260 QGraphicsView::mouseMoveEvent(event);
264 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
266 kDebug()<<"-- TIMELINE MSE PRESSED";
267 int pos = event->x();
268 if (event->modifiers() == Qt::ControlModifier)
269 setDragMode(QGraphicsView::ScrollHandDrag);
270 else if (event->modifiers() == Qt::ShiftModifier)
271 setDragMode(QGraphicsView::RubberBandDrag);
273 bool collision = false;
274 QList<QGraphicsItem *> collisionList = items(event->pos());
275 for (int i = 0; i < collisionList.size(); ++i) {
276 QGraphicsItem *item = collisionList.at(i);
277 if (item->type() == 70000) {
278 m_dragItem = (ClipItem *) item;
279 m_clickPoint = mapToScene(event->pos()).x() - m_dragItem->startPos() * m_scale;
280 m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())), m_scale);
281 if (m_operationMode == MOVE || m_operationMode == RESIZESTART) m_startPos = QPointF(m_dragItem->startPos(), m_dragItem->track());
282 else if (m_operationMode == RESIZEEND) m_startPos = QPointF(m_dragItem->endPos(), m_dragItem->track());
283 kDebug()<<"//////// ITEM CLICKED: "<<m_startPos;
289 kDebug()<<"//////// NO ITEM FOUND ON CLICK";
291 setCursor(Qt::ArrowCursor);
292 setCursorPos((int) mapToScene(event->x(), 0).x());
293 emit cursorMoved(cursorPos());
296 updateSnapPoints(m_dragItem);
298 QGraphicsView::mousePressEvent(event);
301 void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
303 if (event->mimeData()->hasText()) {
304 QString clip = event->mimeData()->text();
305 addItem(clip, event->pos());
306 event->acceptProposedAction();
311 void CustomTrackView::addItem(QString producer, QPoint pos)
314 doc.setContent(producer);
315 QDomElement elem = doc.documentElement();
316 int in = elem.attribute("in", 0).toInt();
317 int out = elem.attribute("out", 0).toInt() - in;
318 if (out == 0) out = elem.attribute("duration", 0).toInt();
319 kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
320 int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
321 m_dropItem = new ClipItem(elem, ((int) mapToScene(pos).y()/50), in, QRectF(mapToScene(pos).x() * m_scale, trackTop, out * m_scale, 49), out);
322 scene()->addItem(m_dropItem);
326 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
327 event->setDropAction(Qt::IgnoreAction);
329 int track = (int) mapToScene(event->pos()).y()/50; //) * (m_scale * 50) + m_scale;
330 kDebug()<<"+++++++++++++ DRAG MOVE, : "<<mapToScene(event->pos()).x()<<", SCAL: "<<m_scale;
331 m_dropItem->moveTo(mapToScene(event->pos()).x() / m_scale, m_scale, (track - m_dropItem->track()) * 50, track);
334 event->setDropAction(Qt::MoveAction);
335 if (event->mimeData()->hasText()) {
336 event->acceptProposedAction();
341 void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
348 void CustomTrackView::dropEvent ( QDropEvent * event ) {
350 AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->xml(), m_dropItem->track(), m_dropItem->startPos(), m_dropItem->rect(), m_dropItem->duration(), false);
351 m_commandStack->push(command);
352 m_document->renderer()->mltInsertClip(m_dropItem->track(), GenTime(m_dropItem->startPos(), 25), m_dropItem->xml());
358 QStringList CustomTrackView::mimeTypes () const
360 QStringList qstrList;
361 // list of accepted mime types for drop
362 qstrList.append("text/plain");
366 Qt::DropActions CustomTrackView::supportedDropActions () const
368 // returns what actions are supported when dropping
369 return Qt::MoveAction;
372 void CustomTrackView::setDuration(int duration)
374 kDebug()<<"///////////// PRO DUR: "<<duration<<", height: "<<50 * m_tracksCount;
375 m_projectDuration = duration;
376 scene()->setSceneRect(0, 0, m_projectDuration + 500, scene()->sceneRect().height()); //50 * m_tracksCount);
380 void CustomTrackView::addTrack ()
383 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
384 //setSceneRect(0, 0, sceneRect().width(), 50 * m_tracksCount);
385 //verticalScrollBar()->setMaximum(50 * m_tracksCount);
386 //setFixedHeight(50 * m_tracksCount);
389 void CustomTrackView::removeTrack ()
392 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
395 void CustomTrackView::setCursorPos(int pos)
398 m_cursorLine->setPos(pos, 0);
399 int frame = mapToScene(QPoint(pos, 0)).x() / m_scale;
400 m_document->renderer()->seek(GenTime(frame, 25));
403 int CustomTrackView::cursorPos()
408 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
410 QGraphicsView::mouseReleaseEvent(event);
411 setDragMode(QGraphicsView::NoDrag);
412 if (m_dragItem == NULL) return;
413 //kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
414 if (m_operationMode == MOVE) {
416 MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), false);
417 m_commandStack->push(command);
419 else if (m_operationMode == RESIZESTART) {
421 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), true, false);
422 m_commandStack->push(command);
424 else if (m_operationMode == RESIZEEND) {
426 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->endPos(), m_dragItem->track()), false, false);
427 m_commandStack->push(command);
429 m_operationMode = NONE;
433 void CustomTrackView::deleteClip ( const QRectF &rect )
435 ClipItem *item = (ClipItem *) scene()->itemAt(rect.x() + 1, rect.y() + 1);
437 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<rect.x();
443 void CustomTrackView::addClip ( QDomElement xml, int track, int startpos, const QRectF &rect, int duration )
445 QRect r(startpos * m_scale, 50 * track, duration * m_scale, 49);
446 ClipItem *item = new ClipItem(xml, track, startpos, r, duration);
447 scene()->addItem(item);
450 void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
452 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + 1) * m_scale, startPos.y() * 50 + 25);
454 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<startPos.x() * m_scale * FRAME_SIZE + 1<<", "<<startPos.y() * 50 + 25;
457 kDebug()<<"---------------- Move CLIP FROM: "<<startPos.x()<<", END:"<<endPos.x();
458 item->moveTo(endPos.x(), m_scale, (endPos.y() - startPos.y()) * 50, endPos.y());
461 void CustomTrackView::resizeClip ( const QPointF &startPos, const QPointF &endPos, bool resizeClipStart )
464 if (resizeClipStart) offset = 1;
466 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + offset) * m_scale, startPos.y() * 50 + 25);
468 kDebug()<<"---------------- ERROR, CANNOT find clip to resize at: "<<startPos;
471 qreal diff = endPos.x() - startPos.x();
472 if (resizeClipStart) {
473 item->resizeStart(endPos.x(), m_scale);
476 item->resizeEnd(endPos.x(), m_scale);
480 double CustomTrackView::getSnapPointForPos(double pos)
482 for (int i = 0; i < m_snapPoints.size(); ++i) {
483 //kDebug()<<"SNAP POINT: "<<m_snapPoints.at(i);
484 if (abs(pos - m_snapPoints.at(i) * m_scale) < 6 * m_scale) {
485 //kDebug()<<" FOUND SNAP POINT AT: "<<m_snapPoints.at(i)<<", current pos: "<<pos / m_scale;
486 return m_snapPoints.at(i) * m_scale + 0.5;
488 if (m_snapPoints.at(i) > pos) break;
493 void CustomTrackView::updateSnapPoints(ClipItem *selected)
495 m_snapPoints.clear();
497 if (selected) offset = selected->duration();
498 QList<QGraphicsItem *> itemList = items();
499 for (int i = 0; i < itemList.count(); i++) {
500 if (itemList.at(i)->type() == 70000 && itemList.at(i) != selected) {
501 ClipItem *item = (ClipItem *)itemList.at(i);
502 int start = item->startPos();
503 int fadein = item->fadeIn() + start;
504 int end = item->endPos();
505 int fadeout = end - item->fadeOut();
506 m_snapPoints.append(start);
507 if (fadein != start) m_snapPoints.append(fadein);
508 m_snapPoints.append(end);
509 if (fadeout != end) m_snapPoints.append(fadeout);
511 m_snapPoints.append(start - offset);
512 if (fadein != start) m_snapPoints.append(fadein - offset);
513 m_snapPoints.append(end - offset);
514 if (fadeout != end) m_snapPoints.append(fadeout - offset);
518 kDebug()<<" GOT SNAPPOINTS TOTAL: "<<m_snapPoints.count();
520 for (int i = 0; i < m_snapPoints.size(); ++i)
521 kDebug()<<"SNAP POINT: "<<m_snapPoints.at(i);
525 void CustomTrackView::setScale(double scaleFactor)
527 //scale(scaleFactor, scaleFactor);
528 m_scale = scaleFactor;
529 kDebug()<<" HHHHHHHH SCALING: "<<m_scale;
530 QList<QGraphicsItem *> itemList = items();
532 for (int i = 0; i < itemList.count(); i++) {
533 if (itemList.at(i)->type() == 70000) {
534 ClipItem *clip = (ClipItem *)itemList.at(i);
535 clip->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
537 /*else if (itemList.at(i)->type() == 70001) {
538 LabelItem *label = (LabelItem *)itemList.at(i);
539 QGraphicsItem *parent = label->parentItem();
540 QRectF r = label->boundingRect();
541 QRectF p = parent->boundingRect();
542 label->setPos(p.x() + p.width() / 2 - r.width() / 2, p.y() + p.height() / 2 - r.height() / 2);
543 //label->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
548 void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )
550 QColor base = palette().button().color();
551 painter->setPen(base);
552 painter->setClipRect(rect);
553 painter->drawLine(0, 0, rect.width(), 0);
554 for (uint i = 0; i < m_tracksCount;i++)
556 painter->drawLine(0, 50 * (i+1), width(), 50 * (i+1));
557 //painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
559 int lowerLimit = 50 * m_tracksCount;
560 if (height() > lowerLimit)
561 painter->fillRect(QRectF(0, lowerLimit, rect.width(), height() - lowerLimit), QBrush(base));
564 void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
566 //kDebug()<<"///// DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
567 painter->fillRect(rect, QColor(50, rand() % 250,50,100));
568 painter->drawLine(m_cursorPos, rect.y(), m_cursorPos, rect.y() + rect.height());
571 #include "customtrackview.moc"