+void CustomTrackView::copyClip() {
+ while (m_copiedItems.count() > 0) {
+ delete m_copiedItems.takeFirst();
+ }
+ QList<QGraphicsItem *> itemList = scene()->selectedItems();
+ if (itemList.count() == 0) {
+ emit displayMessage(i18n("Select a clip before copying"), ErrorMessage);
+ return;
+ }
+ for (int i = 0; i < itemList.count(); i++) {
+ if (itemList.at(i)->type() == AVWIDGET) {
+ ClipItem *dup = static_cast <ClipItem *>(itemList.at(i));
+ m_copiedItems.append(dup->clone(m_scale));
+ } else if (itemList.at(i)->type() == TRANSITIONWIDGET) {
+ Transition *dup = static_cast <Transition *>(itemList.at(i));
+ m_copiedItems.append(dup->clone(m_scale));
+ }
+ }
+}
+
+bool CustomTrackView::canBePastedTo(ItemInfo info, int type) const {
+ QRectF rect((double) info.startPos.frames(m_document->fps()) * m_scale, (double)(info.track * m_tracksHeight + 1), (double)(info.endPos - info.startPos).frames(m_document->fps()) * m_scale, (double)(m_tracksHeight - 1));
+ QList<QGraphicsItem *> collisions = scene()->items(rect, Qt::IntersectsItemBoundingRect);
+ for (int i = 0; i < collisions.count(); i++) {
+ if (collisions.at(i)->type() == type) return false;
+ }
+ return true;
+}
+
+bool CustomTrackView::canBePasted(QList<AbstractClipItem *> items, GenTime offset, int trackOffset) const {
+ for (int i = 0; i < items.count(); i++) {
+ ItemInfo info = items.at(i)->info();
+ info.startPos += offset;
+ info.endPos += offset;
+ info.track += trackOffset;
+ if (!canBePastedTo(info, items.at(i)->type())) return false;
+ }
+ return true;
+}
+
+bool CustomTrackView::canBeMoved(QList<AbstractClipItem *> items, GenTime offset, int trackOffset) const {
+ QPainterPath movePath;
+ movePath.moveTo(0, 0);
+
+ for (int i = 0; i < items.count(); i++) {
+ ItemInfo info = items.at(i)->info();
+ info.startPos = info.startPos + offset;
+ info.endPos = info.endPos + offset;
+ info.track = info.track + trackOffset;
+ if (info.startPos < GenTime()) {
+ // No clip should go below 0
+ return false;
+ }
+ QRectF rect((double) info.startPos.frames(m_document->fps()) * m_scale, (double)(info.track * m_tracksHeight + 1), (double)(info.endPos - info.startPos).frames(m_document->fps()) * m_scale, (double)(m_tracksHeight - 1));
+ movePath.addRect(rect);
+ }
+ QList<QGraphicsItem *> collisions = scene()->items(movePath, Qt::IntersectsItemBoundingRect);
+ for (int i = 0; i < collisions.count(); i++) {
+ if ((collisions.at(i)->type() == AVWIDGET || collisions.at(i)->type() == TRANSITIONWIDGET) && !items.contains(static_cast <AbstractClipItem *>(collisions.at(i)))) {
+ kDebug() << " //////////// CLIP COLLISION, MOVE NOT ALLOWED";
+ return false;
+ }
+ }
+ return true;
+}
+
+void CustomTrackView::pasteClip() {
+ if (m_copiedItems.count() == 0) {
+ emit displayMessage(i18n("No clip copied"), ErrorMessage);
+ return;
+ }
+ QPoint position;
+ if (m_menuPosition.isNull()) position = mapFromGlobal(QCursor::pos());
+ else position = m_menuPosition;
+ GenTime pos = GenTime((int)(mapToScene(position).x() / m_scale), m_document->fps());
+ int track = (int)(position.y() / m_tracksHeight);
+ ItemInfo first = m_copiedItems.at(0)->info();
+
+ GenTime offset = pos - first.startPos;
+ int trackOffset = track - first.track;
+
+ if (!canBePasted(m_copiedItems, offset, trackOffset)) {
+ emit displayMessage(i18n("Cannot paste selected clips"), ErrorMessage);
+ return;
+ }
+ QUndoCommand *pasteClips = new QUndoCommand();
+ pasteClips->setText("Paste clips");
+
+ for (int i = 0; i < m_copiedItems.count(); i++) {
+ // parse all clip names
+ if (m_copiedItems.at(i) && m_copiedItems.at(i)->type() == AVWIDGET) {
+ ClipItem *clip = static_cast <ClipItem *>(m_copiedItems.at(i));
+ ItemInfo info;
+ info.startPos = clip->startPos() + offset;
+ info.endPos = clip->endPos() + offset;
+ info.track = clip->track() + trackOffset;
+ if (canBePastedTo(info, AVWIDGET)) {
+ new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), info, true, false, pasteClips);
+ } else emit displayMessage(i18n("Cannot paste clip to selected place"), ErrorMessage);
+ } else if (m_copiedItems.at(i) && m_copiedItems.at(i)->type() == TRANSITIONWIDGET) {
+ Transition *tr = static_cast <Transition *>(m_copiedItems.at(i));
+ ItemInfo info;
+ info.startPos = tr->startPos() + offset;
+ info.endPos = tr->endPos() + offset;
+ info.track = tr->track() + trackOffset;
+ if (canBePastedTo(info, TRANSITIONWIDGET)) {
+ new AddTransitionCommand(this, info, tr->transitionEndTrack() + trackOffset, tr->toXML(), false, true, pasteClips);
+ } else emit displayMessage(i18n("Cannot paste transition to selected place"), ErrorMessage);
+ }
+ }
+ m_commandStack->push(pasteClips);
+}
+