int CastStringOffsetProvider::offset()
{
if (!vis_ || !vis_->itemOrChildHasFocus()) return -1;
QStringList components = this->components();
int result = 0;
int focused = vis_->layout()->focusedElementIndex();
result += itemOffset(vis_->layout()->at<Visualization::Item>(focused), components[focused ? 0 : 1].length());
if (focused == 0) for (int i = 0; i< 3; ++i ) result += components[i].size();
else if (focused == 1) result += components[0].size();
return result;
}
int StringOffsetProvider::listItemOffset(Visualization::VList* list,
const QString& prefix, const QString& separator, const QString& postfix, Qt::Key key)
{
QStringList components = StringOffsetProvider::components(list->node());
int result = prefix.size();
if (list->scene()->mainCursor() && list->scene()->mainCursor()->owner() == list->layout())
{
int index = list->layout()->correspondingSceneCursor<Visualization::LayoutCursor>()->index();
if (index < 0) result = 0;
else
{
// Adjust for the range but only if the cursor is inside the list
index += list->rangeBegin();
if (index > components.size())
{
result += postfix.size();
--index;
}
for (int i = 0; i<index; ++i)
{
if (i>0) result += separator.size();
result += components[i].size();
}
}
}
else
{
int focusedNodeIndex = list->focusedNodeIndex();
Q_ASSERT(focusedNodeIndex >= 0);
for(int i = 0; i<focusedNodeIndex; ++i)
result += components[i].size() + separator.size();
result += itemOffset(list->itemAt<Visualization::Item>(list->focusedItemIndex()),
components[focusedNodeIndex].length(), key);
}
return result;
}
int StringOffsetProvider::listItemOffset(Visualization::VList* list,
const QString& prefix, const QString& separator, const QString& postfix, Qt::Key key)
{
QStringList components = StringOffsetProvider::components(list->node());
int result = prefix.size();
if (list->scene()->mainCursor() && list->scene()->mainCursor()->owner() == list->layout())
{
int index = list->layout()->correspondingSceneCursor<Visualization::LayoutCursor>()->index();
if (index < 0) result = 0;
else
{
if (index > components.size())
{
result += postfix.size();
--index;
}
for (int i = 0; i<index; ++i)
{
if (i>0) result += separator.size();
result += components[i].size();
}
}
}
else
{
int focused = list->focusedElementIndex();
Q_ASSERT(focused >= 0);
for(int i = 0; i<focused; ++i)
result += components[i].size() + separator.size();
result += itemOffset(list->at<Visualization::Item>(focused), components[focused].length(), key);
}
return result;
}
int StaticStringOffsetProvider::offset(Qt::Key key)
{
if (!vis_ || !vis_->itemOrChildHasFocus()) return -1;
return itemOffset(vis_->item(), string().size(), key);
}
//virtual
QVariant Transition::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemSelectedChange) {
if (value.toBool()) setZValue(5);
else setZValue(4);
}
CustomTrackScene *scene = NULL;
if (change == ItemPositionChange) {
scene = projectScene();
}
if (scene) {
// calculate new position.
if (scene->isZooming) {
// For some reason, mouse wheel on selected itm sometimes triggered
// a position change event corrupting timeline, so discard it
return pos();
}
QPointF newPos = value.toPointF();
int xpos = projectScene()->getSnapPointForPos((int) newPos.x(), KdenliveSettings::snaptopoints());
xpos = qMax(xpos, 0);
newPos.setX(xpos);
int newTrack = trackForPos(newPos.y());
QStringList lockedTracks = property("locked_tracks").toStringList();
if (lockedTracks.contains(QString::number(newTrack))) {
// Trying to move to a locked track
return pos();
}
int maximumTrack = projectScene()->tracksCount();
newTrack = qMin(newTrack, maximumTrack);
newTrack = qMax(newTrack, 0);
newPos.setY(posForTrack(newTrack) + itemOffset());
// Only one clip is moving
QRectF sceneShape = rect();
sceneShape.translate(newPos);
QList<QGraphicsItem*> items;
// TODO: manage transitions in OVERWRITE MODE
//if (projectScene()->editMode() == NORMALEDIT)
items = scene->items(sceneShape, Qt::IntersectsItemShape);
items.removeAll(this);
bool forwardMove = newPos.x() > pos().x();
if (!items.isEmpty()) {
for (int i = 0; i < items.count(); ++i) {
if (!items.at(i)->isEnabled()) continue;
if (items.at(i)->type() == type()) {
int offset = 0;
// Collision!
QPointF otherPos = items.at(i)->pos();
if ((int) otherPos.y() != (int) pos().y()) {
return pos();
}
if (forwardMove) {
offset = qMax(offset, (int)(newPos.x() - (static_cast < AbstractClipItem* >(items.at(i))->startPos() - cropDuration()).frames(m_fps)));
} else {
offset = qMax(offset, (int)((static_cast < AbstractClipItem* >(items.at(i))->endPos().frames(m_fps)) - newPos.x()));
}
if (offset > 0) {
if (forwardMove) {
sceneShape.translate(QPointF(-offset, 0));
newPos.setX(newPos.x() - offset);
} else {
sceneShape.translate(QPointF(offset, 0));
newPos.setX(newPos.x() + offset);
}
QList<QGraphicsItem*> subitems = scene->items(sceneShape, Qt::IntersectsItemShape);
subitems.removeAll(this);
for (int j = 0; j < subitems.count(); ++j) {
if (!subitems.at(j)->isEnabled()) continue;
if (subitems.at(j)->type() == type()) {
// move was not successful, revert to previous pos
m_info.startPos = GenTime((int) pos().x(), m_fps);
return pos();
}
}
}
m_info.track = newTrack;
m_info.startPos = GenTime((int) newPos.x(), m_fps);
return newPos;
}
}
}
m_info.track = newTrack;
m_info.startPos = GenTime((int) newPos.x(), m_fps);
////qDebug()<<"// ITEM NEW POS: "<<newPos.x()<<", mapped: "<<mapToScene(newPos.x(), 0).x();
return newPos;
}
return QGraphicsItem::itemChange(change, value);
}
