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)
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->setZValue(1000);
54 void CustomTrackView::initView()
60 void CustomTrackView::resizeEvent ( QResizeEvent * event )
62 QGraphicsView::resizeEvent(event);
66 void CustomTrackView::wheelEvent ( QWheelEvent * e )
68 if (e->modifiers() == Qt::ControlModifier) {
69 if (e->delta() > 0) emit zoomIn();
73 if (e->delta() > 0) horizontalScrollBar()->setValue (horizontalScrollBar()->value() + horizontalScrollBar()->singleStep ());
74 else horizontalScrollBar()->setValue (horizontalScrollBar()->value() - horizontalScrollBar()->singleStep ());
80 void CustomTrackView::mouseMoveEvent ( QMouseEvent * event )
83 /*if (event->modifiers() == Qt::ControlModifier)
84 setDragMode(QGraphicsView::ScrollHandDrag);
85 else if (event->modifiers() == Qt::ShiftModifier)
86 setDragMode(QGraphicsView::RubberBandDrag);
89 if (event->button() == Qt::LeftButton) {
90 // a button was pressed, delete visual tips
91 if (m_animation) delete m_animation;
93 if (m_visualTip) delete m_visualTip;
95 QGraphicsView::mouseMoveEvent(event);
99 QList<QGraphicsItem *> itemList = items( event->pos());
101 QGraphicsItem *item = NULL;
102 for (int i = 0; i < itemList.count(); i++) {
103 if (itemList.at(i)->type() == 70000) {
104 item = itemList.at(i);
109 ClipItem *clip = (ClipItem*) item;
110 double size = mapToScene(QPoint(8, 0)).x();
111 OPERATIONTYPE opMode = clip->operationMode(mapToScene(event->pos()));
112 if (opMode == m_moveOpMode) {
113 QGraphicsView::mouseMoveEvent(event);
118 if (m_animation) delete m_animation;
124 m_moveOpMode = opMode;
125 if (opMode == MOVE) {
126 setCursor(Qt::OpenHandCursor);
128 else if (opMode == RESIZESTART) {
129 kDebug()<<"******** RESIZE CLIP START; WIDTH: "<<size;
130 if (m_visualTip == NULL) {
131 m_visualTip = new QGraphicsRectItem(clip->rect().x(), clip->rect().y(), size, clip->rect().height());
132 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
133 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
134 m_visualTip->setZValue (100);
135 m_animation = new QGraphicsItemAnimation;
136 m_animation->setItem(m_visualTip);
137 m_animation->setTimeLine(m_animationTimer);
138 m_visualTip->setPos(0, 0);
140 m_animation->setScaleAt(.5, scale, 1);
141 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
143 m_animation->setScaleAt(1, scale, 1);
144 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
145 scene()->addItem(m_visualTip);
146 m_animationTimer->start();
148 setCursor(Qt::SizeHorCursor);
150 else if (opMode == RESIZEEND) {
151 if (m_visualTip == NULL) {
152 m_visualTip = new QGraphicsRectItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y(), size, clip->rect().height());
153 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
154 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
155 m_visualTip->setZValue (100);
156 m_animation = new QGraphicsItemAnimation;
157 m_animation->setItem(m_visualTip);
158 m_animation->setTimeLine(m_animationTimer);
159 m_visualTip->setPos(0, 0);
161 m_animation->setScaleAt(.5, scale, 1);
162 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
164 m_animation->setScaleAt(1, scale, 1);
165 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
166 scene()->addItem(m_visualTip);
167 m_animationTimer->start();
169 setCursor(Qt::SizeHorCursor);
171 else if (opMode == FADEIN) {
172 if (m_visualTip == NULL) {
173 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() - size, clip->rect().y() - 8, size * 2, 16);
174 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
175 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
176 m_visualTip->setZValue (100);
177 m_animation = new QGraphicsItemAnimation;
178 m_animation->setItem(m_visualTip);
179 m_animation->setTimeLine(m_animationTimer);
180 m_visualTip->setPos(0, 0);
182 m_animation->setScaleAt(.5, scale, scale);
183 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
185 m_animation->setScaleAt(1, scale, scale);
186 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
187 scene()->addItem(m_visualTip);
188 m_animationTimer->start();
190 setCursor(Qt::PointingHandCursor);
192 else if (opMode == FADEOUT) {
193 if (m_visualTip == NULL) {
194 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y() - 8, size*2, 16);
195 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
196 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
197 m_visualTip->setZValue (100);
198 m_animation = new QGraphicsItemAnimation;
199 m_animation->setItem(m_visualTip);
200 m_animation->setTimeLine(m_animationTimer);
201 m_visualTip->setPos(0, 0);
203 m_animation->setScaleAt(.5, scale, scale);
204 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), clip->rect().y() - clip->rect().y() * scale));
206 m_animation->setScaleAt(1, scale, scale);
207 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
208 scene()->addItem(m_visualTip);
209 m_animationTimer->start();
211 setCursor(Qt::PointingHandCursor);
217 if (m_animation) delete m_animation;
222 setCursor(Qt::ArrowCursor);
225 QGraphicsView::mouseMoveEvent(event);
229 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
231 int pos = event->x();
232 if (event->modifiers() == Qt::ControlModifier)
233 setDragMode(QGraphicsView::ScrollHandDrag);
234 else if (event->modifiers() == Qt::ShiftModifier)
235 setDragMode(QGraphicsView::RubberBandDrag);
237 QGraphicsItem * item = itemAt(event->pos());
238 if (item && item->type() != 70000) item = item->parentItem();
239 if (item && item->type() == 70000) {
240 m_dragItem = (ClipItem *) item;
241 m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())));
242 if (m_operationMode == MOVE || m_operationMode == RESIZESTART) m_startPos = QPointF(m_dragItem->rect().x(), m_dragItem->rect().y());
243 else if (m_operationMode == RESIZEEND) m_startPos = QPointF(m_dragItem->rect().x() + m_dragItem->rect().width(), m_dragItem->rect().y());
245 kDebug()<<"//////// ITEM CLICKED: "<<m_startPos;
246 /*while (item->parentItem())
247 item = item->parentItem();
249 int cursorPos = event->x();
250 QRectF itemRect = item->sceneBoundingRect();
251 int itemStart = mapFromScene(itemRect.x(), 0).x();
252 int itemEnd = mapFromScene(itemRect.x() + itemRect.width(), 0).x();
253 if (abs(itemStart - cursorPos) < 6)
254 ((ClipItem *) item )->setResizeMode(1);
255 else if (abs(itemEnd - cursorPos) < 6)
256 ((ClipItem *) item )->setResizeMode(2);
259 kDebug()<<"//////// NO ITEM FOUND ON CLICK";
261 setCursor(Qt::ArrowCursor);
262 setCursorPos((int) mapToScene(event->x(), 0).x());
263 emit cursorMoved(cursorPos());
267 QGraphicsView::mousePressEvent(event);
270 void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
272 if (event->mimeData()->hasText()) {
273 QString clip = event->mimeData()->text();
274 addItem(clip, event->pos());
275 event->acceptProposedAction();
280 void CustomTrackView::addItem(QString producer, QPoint pos)
283 doc.setContent(producer);
284 QDomElement elem = doc.documentElement();
285 int in = elem.attribute("in", 0).toInt();
286 int out = elem.attribute("duration", 0).toInt();
287 if (out == 0) out = elem.attribute("out", 0).toInt() - in;
288 kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
289 int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
290 QString clipName = elem.attribute("name");
291 if (clipName.isEmpty()) clipName = KUrl(elem.attribute("resource")).fileName();
292 m_dropItem = new ClipItem(elem.attribute("type").toInt(), clipName, elem.attribute("id").toInt(), out, QRectF(mapToScene(pos).x(), trackTop, out, 49));
293 scene()->addItem(m_dropItem);
297 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
298 event->setDropAction(Qt::IgnoreAction);
300 int trackTop = ((int) mapToScene(event->pos()).y()/50) * 50 + 1;
301 m_dropItem->moveTo(mapToScene(event->pos()).x(), trackTop - m_dropItem->rect().y());
304 event->setDropAction(Qt::MoveAction);
305 if (event->mimeData()->hasText()) {
306 event->acceptProposedAction();
311 void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
318 void CustomTrackView::dropEvent ( QDropEvent * event ) {
320 AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->clipType(), m_dropItem->clipName(), m_dropItem->clipProducer(), m_dropItem->maxDuration(), m_dropItem->rect(), false);
321 m_commandStack->push(command);
327 QStringList CustomTrackView::mimeTypes () const
329 QStringList qstrList;
330 // list of accepted mime types for drop
331 qstrList.append("text/plain");
335 Qt::DropActions CustomTrackView::supportedDropActions () const
337 // returns what actions are supported when dropping
338 return Qt::MoveAction;
341 void CustomTrackView::setDuration(int duration)
343 kDebug()<<"///////////// PRO DUR: "<<duration<<", height: "<<50 * m_tracksCount;
344 m_projectDuration = duration;
345 scene()->setSceneRect(0, 0, m_projectDuration + 500, scene()->sceneRect().height()); //50 * m_tracksCount);
349 void CustomTrackView::addTrack ()
352 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
353 //setSceneRect(0, 0, sceneRect().width(), 50 * m_tracksCount);
354 //verticalScrollBar()->setMaximum(50 * m_tracksCount);
355 //setFixedHeight(50 * m_tracksCount);
358 void CustomTrackView::removeTrack ()
361 m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), 50 * m_tracksCount);
364 void CustomTrackView::setCursorPos(int pos)
367 m_cursorLine->setPos(pos, 0);
370 int CustomTrackView::cursorPos()
375 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
377 QGraphicsView::mouseReleaseEvent(event);
378 setDragMode(QGraphicsView::NoDrag);
379 if (m_dragItem == NULL) return;
380 //kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
381 if (m_operationMode == MOVE) {
383 MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x(), m_dragItem->rect().y()), false);
384 m_commandStack->push(command);
386 else if (m_operationMode == RESIZESTART) {
388 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x(), m_dragItem->rect().y()), true, false);
389 m_commandStack->push(command);
391 else if (m_operationMode == RESIZEEND) {
393 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x() + m_dragItem->rect().width(), m_dragItem->rect().y()), false, false);
394 m_commandStack->push(command);
398 void CustomTrackView::deleteClip ( const QRectF &rect )
400 ClipItem *item = (ClipItem *) scene()->itemAt(rect.x() + 1, rect.y() + 1);
402 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<rect.x();
408 void CustomTrackView::addClip ( int clipType, QString clipName, int clipProducer, int maxDuration, const QRectF &rect )
410 ClipItem *item = new ClipItem(clipType, clipName, clipProducer, maxDuration, rect);
411 scene()->addItem(item);
414 void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
416 ClipItem *item = (ClipItem *) scene()->itemAt(startPos.x() + 1, startPos.y() + 1);
418 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<startPos;
421 item->setRect(QRectF(endPos.x(), endPos.y(), item->rect().width(), item->rect().height()));
422 QList <QGraphicsItem *> childrenList = item->children();
423 for (int i = 0; i < childrenList.size(); ++i) {
424 childrenList.at(i)->moveBy(endPos.x() - startPos.x() , endPos.y() - startPos.y());
428 void CustomTrackView::resizeClip ( const QPointF &startPos, const QPointF &endPos, bool resizeClipStart )
431 if (resizeClipStart) offset = 1;
433 ClipItem *item = (ClipItem *) scene()->itemAt(startPos.x() + offset, startPos.y() + 1);
435 kDebug()<<"---------------- ERROR, CANNOT find clip to resize at: "<<startPos;
438 qreal diff = endPos.x() - startPos.x();
439 if (resizeClipStart) {
440 item->setRect(QRectF(endPos.x(), endPos.y(), item->rect().width() - diff, item->rect().height()));
441 QList <QGraphicsItem *> childrenList = item->children();
442 for (int i = 0; i < childrenList.size(); ++i) {
443 childrenList.at(i)->moveBy(diff / 2 , endPos.y() - startPos.y());
447 //kdDebug()<<"/////// RESIZE CLIP END: "<<item->rect().x()<<", "<<item->rect().width()<<", "<<startPos<<", "<<endPos;
448 item->setRect(QRectF(item->rect().x(), item->rect().y(), endPos.x() - item->rect().x(), item->rect().height()));
449 QList <QGraphicsItem *> childrenList = item->children();
450 for (int i = 0; i < childrenList.size(); ++i) {
451 childrenList.at(i)->moveBy(-diff/2, endPos.y() - startPos.y());
457 void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )
459 kDebug()<<"///// DRAWING BG TRACKS: "<<m_tracksCount;
460 QColor base = palette().button().color();
461 painter->setPen(base);
462 painter->setClipRect(rect);
463 painter->drawLine(0, 0, rect.width(), 0);
464 for (uint i = 0; i < m_tracksCount;i++)
466 painter->drawLine(0, 50 * (i+1), rect.width(), 50 * (i+1));
467 //painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
469 int lowerLimit = 50 * m_tracksCount;
470 if (height() > lowerLimit)
471 painter->fillRect(QRectF(0, lowerLimit - rect.y(), rect.width(), height() - lowerLimit - rect.y()), QBrush(base));
474 void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
476 //kDebug()<<"///// DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
477 painter->fillRect(rect, QColor(50, rand() % 250,50,100));
478 painter->drawLine(m_cursorPos, rect.y(), m_cursorPos, rect.y() + rect.height());
481 #include "customtrackview.moc"