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 else if (m_operationMode == FADEIN) {
115 int pos = mapToScene(event->pos()).x() / m_scale;
116 m_dragItem->setFadeIn(pos - m_dragItem->startPos(), m_scale);
118 else if (m_operationMode == FADEOUT) {
119 int pos = mapToScene(event->pos()).x() / m_scale;
120 m_dragItem->setFadeOut(m_dragItem->endPos() - pos, m_scale);
123 if (m_animation) delete m_animation;
125 if (m_visualTip) delete m_visualTip;
127 QGraphicsView::mouseMoveEvent(event);
131 QList<QGraphicsItem *> itemList = items( event->pos());
133 QGraphicsItem *item = NULL;
134 for (int i = 0; i < itemList.count(); i++) {
135 if (itemList.at(i)->type() == 70000) {
136 item = itemList.at(i);
141 ClipItem *clip = (ClipItem*) item;
142 double size = mapToScene(QPoint(8, 0)).x();
143 OPERATIONTYPE opMode = clip->operationMode(mapToScene(event->pos()), m_scale);
144 if (opMode == m_moveOpMode) {
145 QGraphicsView::mouseMoveEvent(event);
150 if (m_animation) delete m_animation;
156 m_moveOpMode = opMode;
157 if (opMode == MOVE) {
158 setCursor(Qt::OpenHandCursor);
160 else if (opMode == RESIZESTART) {
161 kDebug()<<"******** RESIZE CLIP START; WIDTH: "<<size;
162 if (m_visualTip == NULL) {
163 m_visualTip = new QGraphicsRectItem(clip->rect().x(), clip->rect().y(), size, clip->rect().height());
164 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
165 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
166 m_visualTip->setZValue (100);
167 m_animation = new QGraphicsItemAnimation;
168 m_animation->setItem(m_visualTip);
169 m_animation->setTimeLine(m_animationTimer);
170 m_visualTip->setPos(0, 0);
172 m_animation->setScaleAt(.5, scale, 1);
173 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
175 m_animation->setScaleAt(1, scale, 1);
176 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
177 scene()->addItem(m_visualTip);
178 m_animationTimer->start();
180 setCursor(Qt::SizeHorCursor);
182 else if (opMode == RESIZEEND) {
183 if (m_visualTip == NULL) {
184 m_visualTip = new QGraphicsRectItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y(), size, clip->rect().height());
185 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
186 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
187 m_visualTip->setZValue (100);
188 m_animation = new QGraphicsItemAnimation;
189 m_animation->setItem(m_visualTip);
190 m_animation->setTimeLine(m_animationTimer);
191 m_visualTip->setPos(0, 0);
193 m_animation->setScaleAt(.5, scale, 1);
194 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
196 m_animation->setScaleAt(1, scale, 1);
197 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
198 scene()->addItem(m_visualTip);
199 m_animationTimer->start();
201 setCursor(Qt::SizeHorCursor);
203 else if (opMode == FADEIN) {
204 if (m_visualTip == NULL) {
205 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->fadeIn() * m_scale - size, clip->rect().y() - 8, size * 2, 16);
206 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
207 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
208 m_visualTip->setZValue (100);
209 m_animation = new QGraphicsItemAnimation;
210 m_animation->setItem(m_visualTip);
211 m_animation->setTimeLine(m_animationTimer);
212 m_visualTip->setPos(0, 0);
214 m_animation->setScaleAt(.5, scale, scale);
215 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->fadeIn() * m_scale, clip->rect().y() - clip->rect().y() * scale));
217 m_animation->setScaleAt(1, scale, scale);
218 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
219 scene()->addItem(m_visualTip);
220 m_animationTimer->start();
222 setCursor(Qt::PointingHandCursor);
224 else if (opMode == FADEOUT) {
225 if (m_visualTip == NULL) {
226 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - clip->fadeOut() * m_scale - size, clip->rect().y() - 8, size*2, 16);
227 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
228 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
229 m_visualTip->setZValue (100);
230 m_animation = new QGraphicsItemAnimation;
231 m_animation->setItem(m_visualTip);
232 m_animation->setTimeLine(m_animationTimer);
233 m_visualTip->setPos(0, 0);
235 m_animation->setScaleAt(.5, scale, scale);
236 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));
238 m_animation->setScaleAt(1, scale, scale);
239 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
240 scene()->addItem(m_visualTip);
241 m_animationTimer->start();
243 setCursor(Qt::PointingHandCursor);
249 if (m_animation) delete m_animation;
254 setCursor(Qt::ArrowCursor);
257 QGraphicsView::mouseMoveEvent(event);
261 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
263 int pos = event->x();
264 if (event->modifiers() == Qt::ControlModifier)
265 setDragMode(QGraphicsView::ScrollHandDrag);
266 else if (event->modifiers() == Qt::ShiftModifier)
267 setDragMode(QGraphicsView::RubberBandDrag);
269 bool collision = false;
270 QList<QGraphicsItem *> collisionList = items(event->pos());
271 for (int i = 0; i < collisionList.size(); ++i) {
272 QGraphicsItem *item = collisionList.at(i);
273 if (item->type() == 70000) {
274 m_dragItem = (ClipItem *) item;
275 m_clickPoint = mapToScene(event->pos()).x() - m_dragItem->startPos() * m_scale;
276 m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())), m_scale);
277 if (m_operationMode == MOVE || m_operationMode == RESIZESTART) m_startPos = QPointF(m_dragItem->startPos(), m_dragItem->track());
278 else if (m_operationMode == RESIZEEND) m_startPos = QPointF(m_dragItem->endPos(), m_dragItem->track());
279 kDebug()<<"//////// ITEM CLICKED: "<<m_startPos;
285 kDebug()<<"//////// NO ITEM FOUND ON CLICK";
287 setCursor(Qt::ArrowCursor);
288 setCursorPos((int) mapToScene(event->x(), 0).x());
289 emit cursorMoved(cursorPos());
293 QGraphicsView::mousePressEvent(event);
296 void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
298 if (event->mimeData()->hasText()) {
299 QString clip = event->mimeData()->text();
300 addItem(clip, event->pos());
301 event->acceptProposedAction();
306 void CustomTrackView::addItem(QString producer, QPoint pos)
309 doc.setContent(producer);
310 QDomElement elem = doc.documentElement();
311 int in = elem.attribute("in", 0).toInt();
312 int out = elem.attribute("out", 0).toInt() - in;
313 if (out == 0) out = elem.attribute("duration", 0).toInt();
314 kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
315 int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
316 m_dropItem = new ClipItem(elem, ((int) mapToScene(pos).y()/50), in, QRectF(mapToScene(pos).x() * m_scale, trackTop, out * m_scale, 49), out);
317 scene()->addItem(m_dropItem);
321 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
322 event->setDropAction(Qt::IgnoreAction);
324 int track = (int) mapToScene(event->pos()).y()/50; //) * (m_scale * 50) + m_scale;
325 kDebug()<<"+++++++++++++ DRAG MOVE, : "<<mapToScene(event->pos()).x()<<", SCAL: "<<m_scale;
326 m_dropItem->moveTo(mapToScene(event->pos()).x() / m_scale, m_scale, (track - m_dropItem->track()) * 50, track);
329 event->setDropAction(Qt::MoveAction);
330 if (event->mimeData()->hasText()) {
331 event->acceptProposedAction();
336 void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
343 void CustomTrackView::dropEvent ( QDropEvent * event ) {
345 AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->xml(), m_dropItem->track(), m_dropItem->startPos(), m_dropItem->rect(), m_dropItem->duration(), false);
346 m_commandStack->push(command);
352 QStringList CustomTrackView::mimeTypes () const
354 QStringList qstrList;
355 // list of accepted mime types for drop
356 qstrList.append("text/plain");
360 Qt::DropActions CustomTrackView::supportedDropActions () const
362 // returns what actions are supported when dropping
363 return Qt::MoveAction;
366 void CustomTrackView::setDuration(int duration)
368 kDebug()<<"///////////// PRO DUR: "<<duration<<", height: "<<50 * m_tracksCount;
369 m_projectDuration = duration;
370 scene()->setSceneRect(0, 0, m_projectDuration + 500, scene()->sceneRect().height()); //50 * m_tracksCount);
374 void CustomTrackView::addTrack ()
377 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
378 //setSceneRect(0, 0, sceneRect().width(), 50 * m_tracksCount);
379 //verticalScrollBar()->setMaximum(50 * m_tracksCount);
380 //setFixedHeight(50 * m_tracksCount);
383 void CustomTrackView::removeTrack ()
386 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
389 void CustomTrackView::setCursorPos(int pos)
392 m_cursorLine->setPos(pos, 0);
395 int CustomTrackView::cursorPos()
400 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
402 QGraphicsView::mouseReleaseEvent(event);
403 setDragMode(QGraphicsView::NoDrag);
404 if (m_dragItem == NULL) return;
405 //kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
406 if (m_operationMode == MOVE) {
408 MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), false);
409 m_commandStack->push(command);
411 else if (m_operationMode == RESIZESTART) {
413 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->startPos(), m_dragItem->track()), true, false);
414 m_commandStack->push(command);
416 else if (m_operationMode == RESIZEEND) {
418 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->endPos(), m_dragItem->track()), false, false);
419 m_commandStack->push(command);
421 m_operationMode = NONE;
425 void CustomTrackView::deleteClip ( const QRectF &rect )
427 ClipItem *item = (ClipItem *) scene()->itemAt(rect.x() + 1, rect.y() + 1);
429 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<rect.x();
435 void CustomTrackView::addClip ( QDomElement xml, int track, int startpos, const QRectF &rect, int duration )
437 QRect r(startpos * m_scale, 50 * track, duration * m_scale, 49);
438 ClipItem *item = new ClipItem(xml, track, startpos, r, duration);
439 scene()->addItem(item);
442 void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
444 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + 1) * m_scale, startPos.y() * 50 + 25);
446 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<startPos.x() * m_scale * FRAME_SIZE + 1<<", "<<startPos.y() * 50 + 25;
449 kDebug()<<"---------------- Move CLIP FROM: "<<startPos.x()<<", END:"<<endPos.x();
450 item->moveTo(endPos.x(), m_scale, (endPos.y() - startPos.y()) * 50, endPos.y());
453 void CustomTrackView::resizeClip ( const QPointF &startPos, const QPointF &endPos, bool resizeClipStart )
456 if (resizeClipStart) offset = 1;
458 ClipItem *item = (ClipItem *) scene()->itemAt((startPos.x() + offset) * m_scale, startPos.y() * 50 + 25);
460 kDebug()<<"---------------- ERROR, CANNOT find clip to resize at: "<<startPos;
463 qreal diff = endPos.x() - startPos.x();
464 if (resizeClipStart) {
465 item->resizeStart(endPos.x(), m_scale);
468 item->resizeEnd(endPos.x(), m_scale);
473 void CustomTrackView::setScale(double scaleFactor)
475 //scale(scaleFactor, scaleFactor);
476 m_scale = scaleFactor;
477 kDebug()<<" HHHHHHHH SCALING: "<<m_scale;
478 QList<QGraphicsItem *> itemList = items();
480 for (int i = 0; i < itemList.count(); i++) {
481 if (itemList.at(i)->type() == 70000) {
482 ClipItem *clip = (ClipItem *)itemList.at(i);
483 clip->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
485 /*else if (itemList.at(i)->type() == 70001) {
486 LabelItem *label = (LabelItem *)itemList.at(i);
487 QGraphicsItem *parent = label->parentItem();
488 QRectF r = label->boundingRect();
489 QRectF p = parent->boundingRect();
490 label->setPos(p.x() + p.width() / 2 - r.width() / 2, p.y() + p.height() / 2 - r.height() / 2);
491 //label->setRect(clip->startPos() * m_scale, clip->rect().y(), clip->duration() * m_scale, clip->rect().height());
496 void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )
498 QColor base = palette().button().color();
499 painter->setPen(base);
500 painter->setClipRect(rect);
501 painter->drawLine(0, 0, rect.width(), 0);
502 for (uint i = 0; i < m_tracksCount;i++)
504 painter->drawLine(0, 50 * (i+1), width(), 50 * (i+1));
505 //painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
507 int lowerLimit = 50 * m_tracksCount;
508 if (height() > lowerLimit)
509 painter->fillRect(QRectF(0, lowerLimit, rect.width(), height() - lowerLimit), QBrush(base));
512 void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
514 //kDebug()<<"///// DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
515 painter->fillRect(rect, QColor(50, rand() % 250,50,100));
516 painter->drawLine(m_cursorPos, rect.y(), m_cursorPos, rect.y() + rect.height());
519 #include "customtrackview.moc"