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 * scene, QWidget *parent)
38 : QGraphicsView(scene, 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)
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);
49 void CustomTrackView::initView()
51 m_cursorLine = scene()->addLine(0, 0, 0, height());
52 m_cursorLine->setZValue(1000);
56 void CustomTrackView::resizeEvent ( QResizeEvent * event )
58 if (m_cursorLine) m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), height());
62 void CustomTrackView::mouseMoveEvent ( QMouseEvent * event )
65 if (event->modifiers() == Qt::ControlModifier)
66 setDragMode(QGraphicsView::ScrollHandDrag);
67 else if (event->modifiers() == Qt::ShiftModifier)
68 setDragMode(QGraphicsView::RubberBandDrag);
71 if (event->button() == Qt::LeftButton) {
72 // a button was pressed, delete visual tips
73 if (m_animation) delete m_animation;
75 if (m_visualTip) delete m_visualTip;
77 QGraphicsView::mouseMoveEvent(event);
81 QList<QGraphicsItem *> itemList = items( event->pos());
83 QGraphicsItem *item = NULL;
84 for (int i = 0; i < itemList.count(); i++) {
85 if (itemList.at(i)->type() == 70000) {
86 item = itemList.at(i);
91 ClipItem *clip = (ClipItem*) item;
92 double size = mapToScene(QPoint(8, 0)).x();
93 OPERATIONTYPE opMode = clip->operationMode(mapToScene(event->pos()));
94 if (opMode == m_moveOpMode) {
95 QGraphicsView::mouseMoveEvent(event);
100 if (m_animation) delete m_animation;
106 m_moveOpMode = opMode;
107 if (opMode == MOVE) {
108 setCursor(Qt::OpenHandCursor);
110 else if (opMode == RESIZESTART) {
111 kDebug()<<"******** RESIZE CLIP START; WIDTH: "<<size;
112 if (m_visualTip == NULL) {
113 m_visualTip = new QGraphicsRectItem(clip->rect().x(), clip->rect().y(), size, clip->rect().height());
114 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
115 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
116 m_visualTip->setZValue (100);
117 m_animation = new QGraphicsItemAnimation;
118 m_animation->setItem(m_visualTip);
119 m_animation->setTimeLine(m_animationTimer);
120 m_visualTip->setPos(0, 0);
122 m_animation->setScaleAt(.5, scale, 1);
123 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
125 m_animation->setScaleAt(1, scale, 1);
126 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
127 scene()->addItem(m_visualTip);
128 m_animationTimer->start();
130 setCursor(Qt::SizeHorCursor);
132 else if (opMode == RESIZEEND) {
133 if (m_visualTip == NULL) {
134 m_visualTip = new QGraphicsRectItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y(), size, clip->rect().height());
135 ((QGraphicsRectItem*) m_visualTip)->setBrush(m_tipColor);
136 ((QGraphicsRectItem*) m_visualTip)->setPen(QPen(Qt::transparent));
137 m_visualTip->setZValue (100);
138 m_animation = new QGraphicsItemAnimation;
139 m_animation->setItem(m_visualTip);
140 m_animation->setTimeLine(m_animationTimer);
141 m_visualTip->setPos(0, 0);
143 m_animation->setScaleAt(.5, scale, 1);
144 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
146 m_animation->setScaleAt(1, scale, 1);
147 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
148 scene()->addItem(m_visualTip);
149 m_animationTimer->start();
151 setCursor(Qt::SizeHorCursor);
153 else if (opMode == FADEIN) {
154 if (m_visualTip == NULL) {
155 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() - size, clip->rect().y() - 8, size * 2, 16);
156 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
157 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
158 m_visualTip->setZValue (100);
159 m_animation = new QGraphicsItemAnimation;
160 m_animation->setItem(m_visualTip);
161 m_animation->setTimeLine(m_animationTimer);
162 m_visualTip->setPos(0, 0);
164 m_animation->setScaleAt(.5, scale, scale);
165 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
167 m_animation->setScaleAt(1, scale, scale);
168 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
169 scene()->addItem(m_visualTip);
170 m_animationTimer->start();
172 setCursor(Qt::PointingHandCursor);
174 else if (opMode == FADEOUT) {
175 if (m_visualTip == NULL) {
176 m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - size, clip->rect().y() - 8, size*2, 16);
177 ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
178 ((QGraphicsEllipseItem*) m_visualTip)->setPen(QPen(Qt::transparent));
179 m_visualTip->setZValue (100);
180 m_animation = new QGraphicsItemAnimation;
181 m_animation->setItem(m_visualTip);
182 m_animation->setTimeLine(m_animationTimer);
183 m_visualTip->setPos(0, 0);
185 m_animation->setScaleAt(.5, scale, scale);
186 m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), clip->rect().y() - clip->rect().y() * scale));
188 m_animation->setScaleAt(1, scale, scale);
189 m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
190 scene()->addItem(m_visualTip);
191 m_animationTimer->start();
193 setCursor(Qt::PointingHandCursor);
199 if (m_animation) delete m_animation;
204 setCursor(Qt::ArrowCursor);
207 QGraphicsView::mouseMoveEvent(event);
211 void CustomTrackView::mousePressEvent ( QMouseEvent * event )
213 int pos = event->x();
214 if (event->modifiers() == Qt::ControlModifier)
215 setDragMode(QGraphicsView::ScrollHandDrag);
216 else if (event->modifiers() == Qt::ShiftModifier)
217 setDragMode(QGraphicsView::RubberBandDrag);
219 QGraphicsItem * item = itemAt(event->pos());
220 if (item && item->type() != 70000) item = item->parentItem();
221 if (item && item->type() == 70000) {
222 m_dragItem = (ClipItem *) item;
223 m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())));
224 if (m_operationMode == MOVE || m_operationMode == RESIZESTART) m_startPos = QPointF(m_dragItem->rect().x(), m_dragItem->rect().y());
225 else if (m_operationMode == RESIZEEND) m_startPos = QPointF(m_dragItem->rect().x() + m_dragItem->rect().width(), m_dragItem->rect().y());
227 kDebug()<<"//////// ITEM CLICKED: "<<m_startPos;
228 /*while (item->parentItem())
229 item = item->parentItem();
231 int cursorPos = event->x();
232 QRectF itemRect = item->sceneBoundingRect();
233 int itemStart = mapFromScene(itemRect.x(), 0).x();
234 int itemEnd = mapFromScene(itemRect.x() + itemRect.width(), 0).x();
235 if (abs(itemStart - cursorPos) < 6)
236 ((ClipItem *) item )->setResizeMode(1);
237 else if (abs(itemEnd - cursorPos) < 6)
238 ((ClipItem *) item )->setResizeMode(2);
241 kDebug()<<"//////// NO ITEM FOUND ON CLICK";
243 setCursor(Qt::ArrowCursor);
244 emit cursorMoved((int) mapToScene(event->x(), 0).x());
248 QGraphicsView::mousePressEvent(event);
251 void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
253 if (event->mimeData()->hasText()) {
254 QString clip = event->mimeData()->text();
255 addItem(clip, event->pos());
256 event->acceptProposedAction();
261 void CustomTrackView::addItem(QString producer, QPoint pos)
264 doc.setContent(producer);
265 QDomElement elem = doc.documentElement();
266 int in = elem.attribute("in", 0).toInt();
267 int out = elem.attribute("duration", 0).toInt();
268 if (out == 0) out = elem.attribute("out", 0).toInt() - in;
269 kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
270 int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
271 QString clipName = elem.attribute("name");
272 if (clipName.isEmpty()) clipName = KUrl(elem.attribute("resource")).fileName();
273 m_dropItem = new ClipItem(elem.attribute("type").toInt(), clipName, elem.attribute("id").toInt(), out, QRectF(mapToScene(pos).x(), trackTop, out, 49));
274 scene()->addItem(m_dropItem);
278 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
279 event->setDropAction(Qt::IgnoreAction);
281 int trackTop = ((int) mapToScene(event->pos()).y()/50) * 50 + 1;
282 m_dropItem->moveTo(mapToScene(event->pos()).x(), trackTop - m_dropItem->rect().y());
285 event->setDropAction(Qt::MoveAction);
286 if (event->mimeData()->hasText()) {
287 event->acceptProposedAction();
292 void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
299 void CustomTrackView::dropEvent ( QDropEvent * event ) {
301 AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->clipType(), m_dropItem->clipName(), m_dropItem->clipProducer(), m_dropItem->maxDuration(), m_dropItem->rect(), false);
302 m_commandStack->push(command);
308 QStringList CustomTrackView::mimeTypes () const
310 QStringList qstrList;
311 // list of accepted mime types for drop
312 qstrList.append("text/plain");
316 Qt::DropActions CustomTrackView::supportedDropActions () const
318 // returns what actions are supported when dropping
319 return Qt::MoveAction;
322 void CustomTrackView::addTrack ()
327 void CustomTrackView::removeTrack ()
332 void CustomTrackView::setCursorPos(int pos)
335 m_cursorLine->setPos(pos, 0);
338 int CustomTrackView::cursorPos()
343 void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
345 QGraphicsView::mouseReleaseEvent(event);
346 setDragMode(QGraphicsView::NoDrag);
347 if (m_dragItem == NULL) return;
348 //kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
349 if (m_operationMode == MOVE) {
351 MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x(), m_dragItem->rect().y()), false);
352 m_commandStack->push(command);
354 else if (m_operationMode == RESIZESTART) {
356 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x(), m_dragItem->rect().y()), true, false);
357 m_commandStack->push(command);
359 else if (m_operationMode == RESIZEEND) {
361 ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x() + m_dragItem->rect().width(), m_dragItem->rect().y()), false, false);
362 m_commandStack->push(command);
366 void CustomTrackView::deleteClip ( const QRectF &rect )
368 ClipItem *item = (ClipItem *) scene()->itemAt(rect.x() + 1, rect.y() + 1);
370 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<rect.x();
376 void CustomTrackView::addClip ( int clipType, QString clipName, int clipProducer, int maxDuration, const QRectF &rect )
378 ClipItem *item = new ClipItem(clipType, clipName, clipProducer, maxDuration, rect);
379 scene()->addItem(item);
382 void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
384 ClipItem *item = (ClipItem *) scene()->itemAt(startPos.x() + 1, startPos.y() + 1);
386 kDebug()<<"---------------- ERROR, CANNOT find clip to move at: "<<startPos;
389 item->setRect(QRectF(endPos.x(), endPos.y(), item->rect().width(), item->rect().height()));
390 QList <QGraphicsItem *> childrenList = item->children();
391 for (int i = 0; i < childrenList.size(); ++i) {
392 childrenList.at(i)->moveBy(endPos.x() - startPos.x() , endPos.y() - startPos.y());
396 void CustomTrackView::resizeClip ( const QPointF &startPos, const QPointF &endPos, bool resizeClipStart )
399 if (resizeClipStart) offset = 1;
401 ClipItem *item = (ClipItem *) scene()->itemAt(startPos.x() + offset, startPos.y() + 1);
403 kDebug()<<"---------------- ERROR, CANNOT find clip to resize at: "<<startPos;
406 qreal diff = endPos.x() - startPos.x();
407 if (resizeClipStart) {
408 item->setRect(QRectF(endPos.x(), endPos.y(), item->rect().width() - diff, item->rect().height()));
409 QList <QGraphicsItem *> childrenList = item->children();
410 for (int i = 0; i < childrenList.size(); ++i) {
411 childrenList.at(i)->moveBy(diff / 2 , endPos.y() - startPos.y());
415 //kdDebug()<<"/////// RESIZE CLIP END: "<<item->rect().x()<<", "<<item->rect().width()<<", "<<startPos<<", "<<endPos;
416 item->setRect(QRectF(item->rect().x(), item->rect().y(), endPos.x() - item->rect().x(), item->rect().height()));
417 QList <QGraphicsItem *> childrenList = item->children();
418 for (int i = 0; i < childrenList.size(); ++i) {
419 childrenList.at(i)->moveBy(-diff/2, endPos.y() - startPos.y());
425 void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )
427 //kDebug()<<"///// DRAWING BG: "<<rect.x()<<", width: "<<rect.width();
428 painter->setPen(QColor(150, 150, 150, 255));
429 painter->drawLine(rect.x(), 0, rect.x() + rect.width(), 0);
430 for (uint i = 0; i < m_tracksCount;i++)
432 painter->drawLine(rect.x(), 50 * (i+1), rect.x() + rect.width(), 50 * (i+1));
433 painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
437 void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
439 //kDebug()<<"///// DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
440 painter->fillRect(rect, QColor(50, rand() % 250,50,100));
441 painter->drawLine(m_cursorPos, rect.y(), m_cursorPos, rect.y() + rect.height());
444 #include "customtrackview.moc"