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(KUndoStack *commandStack, QGraphicsScene * projectscene, QWidget *parent)
38 : QGraphicsView(projectscene, parent), m_commandStack(commandStack), 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)
40 setMouseTracking(true);
42 m_animationTimer = new QTimeLine(800);
43 m_animationTimer->setFrameRange(0, 5);
44 m_animationTimer->setUpdateInterval(100);
45 m_animationTimer->setLoopCount(0);
46 m_tipColor = QColor(230, 50, 0, 150);
47 setContentsMargins(0, 0, 0, 0);
49 m_cursorLine = projectscene->addLine(0, 0, 0, 50);
50 m_cursorLine->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIgnoresTransformations);
51 m_cursorLine->setZValue(1000);
55 void CustomTrackView::initView()
61 void CustomTrackView::resizeEvent ( QResizeEvent * event )
63 QGraphicsView::resizeEvent(event);
67 void CustomTrackView::wheelEvent ( QWheelEvent * e )
69 if (e->modifiers() == Qt::ControlModifier) {
70 if (e->delta() > 0) emit zoomIn();
74 if (e->delta() > 0) horizontalScrollBar()->setValue (horizontalScrollBar()->value() + horizontalScrollBar()->singleStep ());
75 else horizontalScrollBar()->setValue (horizontalScrollBar()->value() - horizontalScrollBar()->singleStep ());
81 void CustomTrackView::mouseMoveEvent ( QMouseEvent * event )
84 /*if (event->modifiers() == Qt::ControlModifier)
85 setDragMode(QGraphicsView::ScrollHandDrag);
86 else if (event->modifiers() == Qt::ShiftModifier)
87 setDragMode(QGraphicsView::RubberBandDrag);
90 if (m_dragItem) { //event->button() == Qt::LeftButton) {
91 // a button was pressed, delete visual tips
93 if (m_operationMode == MOVE) {
94 int moveX = mapToScene(event->pos()).x();
95 //kDebug()<<"/////// MOVE CLIP, EVENT Y: "<<event->scenePos().y()<<", SCENE HEIGHT: "<<scene()->sceneRect().height();
96 int moveTrack = (int) mapToScene(event->pos()).y() / 50;
97 int currentTrack = m_dragItem->track();
99 if (moveTrack > m_tracksCount - 1) moveTrack = m_tracksCount - 1;
100 else if (moveTrack < 0) moveTrack = 0;
102 int offset = moveTrack - currentTrack;
103 if (offset != 0) offset = 50 * offset;
104 m_dragItem->moveTo((moveX - m_clickPoint) / m_scale, m_scale, offset, moveTrack);
106 else if (m_operationMode == RESIZESTART) {
107 int pos = mapToScene(event->pos()).x();
108 m_dragItem->resizeStart(pos / m_scale, m_scale);
110 else if (m_operationMode == RESIZEEND) {
111 int pos = mapToScene(event->pos()).x();
112 m_dragItem->resizeEnd(pos / m_scale, m_scale);
114 if (m_animation) delete m_animation;
116 if (m_visualTip) delete m_visualTip;
118 QGraphicsView::mouseMoveEvent(event);
122 QList<QGraphicsItem *> itemList = items( event->pos());
124 QGraphicsItem *item = NULL;
125 for (int i = 0; i < itemList.count(); i++) {
126 if (itemList.at(i)->type() == 70000) {
127 item = itemList.at(i);
132 ClipItem *clip = (ClipItem*) item;
133 double size = mapToScene(QPoint(8, 0)).x();
134 OPERATIONTYPE opMode = clip->operationMode(mapToScene(event->pos()));
135 if (opMode == m_moveOpMode) {
136 QGraphicsView::mouseMoveEvent(event);
141 if (m_animation) delete m_animation;
147 m_moveOpMode = opMode;
148 if (opMode == MOVE) {
149 setCursor(Qt::OpenHandCursor);
151 else if (opMode == RESIZESTART) {
152 kDebug()<<"******** RESIZE CLIP START; WIDTH: "<<size;
153 if (m_visualTip == NULL) {
154 m_visualTip = new QGraphicsRectItem(clip->rect().x(), clip->rect().y(), size, clip->rect().height());
155 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
156 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
157 m_visualTip->setZValue (100);
158 m_animation = new QGraphicsItemAnimation;
159 m_animation->setItem(m_visualTip);
160 m_animation->setTimeLine(m_animationTimer);
161 m_visualTip->setPos(0, 0);
163 m_animation->setScaleAt(.5, scale, 1);
164 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
166 m_animation->setScaleAt(1, scale, 1);
167 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
168 scene()->addItem(m_visualTip);
169 m_animationTimer->start();
171 setCursor(Qt::SizeHorCursor);
173 else if (opMode == RESIZEEND) {
174 if (m_visualTip == NULL) {
175 m_visualTip = new QGraphicsRectItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y(), size, clip->rect().height());
176 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
177 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
178 m_visualTip->setZValue (100);
179 m_animation = new QGraphicsItemAnimation;
180 m_animation->setItem(m_visualTip);
181 m_animation->setTimeLine(m_animationTimer);
182 m_visualTip->setPos(0, 0);
184 m_animation->setScaleAt(.5, scale, 1);
185 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
187 m_animation->setScaleAt(1, scale, 1);
188 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
189 scene()->addItem(m_visualTip);
190 m_animationTimer->start();
192 setCursor(Qt::SizeHorCursor);
194 else if (opMode == FADEIN) {
195 if (m_visualTip == NULL) {
196 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() - size, clip->rect().y() - 8, size * 2, 16);
197 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
198 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
199 m_visualTip->setZValue (100);
200 m_animation = new QGraphicsItemAnimation;
201 m_animation->setItem(m_visualTip);
202 m_animation->setTimeLine(m_animationTimer);
203 m_visualTip->setPos(0, 0);
205 m_animation->setScaleAt(.5, scale, scale);
206 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
208 m_animation->setScaleAt(1, scale, scale);
209 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
210 scene()->addItem(m_visualTip);
211 m_animationTimer->start();
213 setCursor(Qt::PointingHandCursor);
215 else if (opMode == FADEOUT) {
216 if (m_visualTip == NULL) {
217 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y() - 8, size*2, 16);
218 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
219 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
220 m_visualTip->setZValue (100);
221 m_animation = new QGraphicsItemAnimation;
222 m_animation->setItem(m_visualTip);
223 m_animation->setTimeLine(m_animationTimer);
224 m_visualTip->setPos(0, 0);
226 m_animation->setScaleAt(.5, scale, scale);
227 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), clip->rect().y() - clip->rect().y() * scale));
229 m_animation->setScaleAt(1, scale, scale);
230 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
231 scene()->addItem(m_visualTip);
232 m_animationTimer->start();
234 setCursor(Qt::PointingHandCursor);
240 if (m_animation) delete m_animation;
245 setCursor(Qt::ArrowCursor);
248 QGraphicsView::mouseMoveEvent(event);
252 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
254 int pos = event->x();
255 if (event->modifiers() == Qt::ControlModifier)
256 setDragMode(QGraphicsView::ScrollHandDrag);
257 else if (event->modifiers() == Qt::ShiftModifier)
258 setDragMode(QGraphicsView::RubberBandDrag);
260 bool collision = false;
261 QList<QGraphicsItem *> collisionList = items(event->pos());
262 for (int i = 0; i < collisionList.size(); ++i) {
263 QGraphicsItem *item = collisionList.at(i);
264 if (item->type() == 70000) {
265 m_dragItem = (ClipItem *) item;
266 m_clickPoint = mapToScene(event->pos()).x() - m_dragItem->startPos() * m_scale;
267 m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())));
268 if (m_operationMode == MOVE || m_operationMode == RESIZESTART) m_startPos = QPointF(m_dragItem->startPos(), m_dragItem->track());
269 else if (m_operationMode == RESIZEEND) m_startPos = QPointF(m_dragItem->endPos(), m_dragItem->track());
270 kDebug()<<"//////// ITEM CLICKED: "<<m_startPos;
276 kDebug()<<"//////// NO ITEM FOUND ON CLICK";
278 setCursor(Qt::ArrowCursor);
279 setCursorPos((int) mapToScene(event->x(), 0).x());
280 emit cursorMoved(cursorPos());
284 QGraphicsView::mousePressEvent(event);
287 void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
289 if (event->mimeData()->hasText()) {
290 QString clip = event->mimeData()->text();
291 addItem(clip, event->pos());
292 event->acceptProposedAction();
297 void CustomTrackView::addItem(QString producer, QPoint pos)
300 doc.setContent(producer);
301 QDomElement elem = doc.documentElement();
302 int in = elem.attribute("in", 0).toInt();
303 int out = elem.attribute("duration", 0).toInt();
304 if (out == 0) out = elem.attribute("out", 0).toInt() - in;
305 kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
306 int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
307 m_dropItem = new ClipItem(elem, ((int) mapToScene(pos).y()/50), in, QRectF(mapToScene(pos).x() * m_scale, trackTop, out * m_scale, 49));
308 scene()->addItem(m_dropItem);
312 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
313 event->setDropAction(Qt::IgnoreAction);
315 int track = (int) mapToScene(event->pos()).y()/50; //) * (m_scale * 50) + m_scale;
316 kDebug()<<"+++++++++++++ DRAG MOVE, : "<<mapToScene(event->pos()).x()<<", SCAL: "<<m_scale;
317 m_dropItem->moveTo(mapToScene(event->pos()).x() / m_scale, m_scale, (track - m_dropItem->track()) * 50, track);
320 event->setDropAction(Qt::MoveAction);
321 if (event->mimeData()->hasText()) {
322 event->acceptProposedAction();
327 void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
334 void CustomTrackView::dropEvent ( QDropEvent * event ) {
336 AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->xml(), m_dropItem->track(), m_dropItem->startPos(), m_dropItem->rect(), m_dropItem->duration(), false);
337 m_commandStack->push(command);
343 QStringList CustomTrackView::mimeTypes () const
345 QStringList qstrList;
346 // list of accepted mime types for drop
347 qstrList.append("text/plain");
351 Qt::DropActions CustomTrackView::supportedDropActions () const
353 // returns what actions are supported when dropping
354 return Qt::MoveAction;
357 void CustomTrackView::setDuration(int duration)
359 kDebug()<<"///////////// PRO DUR: "<<duration<<", height: "<<50 * m_tracksCount;
360 m_projectDuration = duration;
361 scene()->setSceneRect(0, 0, m_projectDuration + 500, scene()->sceneRect().height()); //50 * m_tracksCount);
365 void CustomTrackView::addTrack ()
368 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
369 //setSceneRect(0, 0, sceneRect().width(), 50 * m_tracksCount);
370 //verticalScrollBar()->setMaximum(50 * m_tracksCount);
371 //setFixedHeight(50 * m_tracksCount);
374 void CustomTrackView::removeTrack ()
377 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
380 void CustomTrackView::setCursorPos(int pos)
383 m_cursorLine->setPos(pos, 0);
386 int CustomTrackView::cursorPos()
391 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
393 QGraphicsView::mouseReleaseEvent(event);
394 setDragMode(QGraphicsView::NoDrag);
395 if (m_dragItem == NULL) return;
396 //kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
397 if (m_operationMode == MOVE) {
399 MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), false);
400 m_commandStack->push(command);
402 else if (m_operationMode == RESIZESTART) {
404 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), true, false);
405 m_commandStack->push(command);
407 else if (m_operationMode == RESIZEEND) {
409 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->endPos(), m_dragItem->track()), false, false);
410 m_commandStack->push(command);
415 void CustomTrackView::deleteClip ( const QRectF &rect )
417 ClipItem *item = (ClipItem *) scene()->itemAt(rect.x() + 1, rect.y() + 1);
419 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<rect.x();
425 void CustomTrackView::addClip ( QDomElement xml, int track, int startpos, const QRectF &rect, int duration )
427 QRect r(startpos * m_scale, 50 * track, duration * m_scale, 49);
428 ClipItem *item = new ClipItem(xml, track, startpos, r, duration);
429 scene()->addItem(item);
432 void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
434 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + 1) * m_scale, startPos.y() * 50 + 25);
436 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<startPos.x() * m_scale * FRAME_SIZE + 1<<", "<<startPos.y() * 50 + 25;
439 kDebug()<<"---------------- Move CLIP FROM: "<<startPos.x()<<", END:"<<endPos.x();
440 item->moveTo(endPos.x(), m_scale, (endPos.y() - startPos.y()) * 50, endPos.y());
443 void CustomTrackView::resizeClip ( const QPointF &startPos, const QPointF &endPos, bool resizeClipStart )
446 if (resizeClipStart) offset = 1;
448 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + offset) * m_scale, startPos.y() * 50 + 25);
450 kDebug()<<"---------------- ERROR, CANNOT find clip to resize at: "<<startPos;
453 qreal diff = endPos.x() - startPos.x();
454 if (resizeClipStart) {
455 item->resizeStart(endPos.x(), m_scale);
458 item->resizeEnd(endPos.x(), m_scale);
463 void CustomTrackView::setScale(double scaleFactor)
465 //scale(scaleFactor, scaleFactor);
466 m_scale = scaleFactor;
467 kDebug()<<" HHHHHHHH SCALING: "<<m_scale;
468 QList<QGraphicsItem *> itemList = items();
470 for (int i = 0; i < itemList.count(); i++) {
471 if (itemList.at(i)->type() == 70000) {
472 ClipItem *clip = (ClipItem *)itemList.at(i);
473 clip->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
475 /*else if (itemList.at(i)->type() == 70001) {
476 LabelItem *label = (LabelItem *)itemList.at(i);
477 QGraphicsItem *parent = label->parentItem();
478 QRectF r = label->boundingRect();
479 QRectF p = parent->boundingRect();
480 label->setPos(p.x() + p.width() / 2 - r.width() / 2, p.y() + p.height() / 2 - r.height() / 2);
481 //label->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
486 void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )
488 QColor base = palette().button().color();
489 painter->setPen(base);
490 painter->setClipRect(rect);
491 painter->drawLine(0, 0, rect.width(), 0);
492 for (uint i = 0; i < m_tracksCount;i++)
494 painter->drawLine(0, 50 * (i+1), width(), 50 * (i+1));
495 //painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
497 int lowerLimit = 50 * m_tracksCount;
498 if (height() > lowerLimit)
499 painter->fillRect(QRectF(0, lowerLimit, rect.width(), height() - lowerLimit), QBrush(base));
502 void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
504 //kDebug()<<"///// DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
505 painter->fillRect(rect, QColor(50, rand() % 250,50,100));
506 painter->drawLine(m_cursorPos, rect.y(), m_cursorPos, rect.y() + rect.height());
509 #include "customtrackview.moc"