void GraphDraw::mouseMoveEvent(QMouseEvent *event)
{
QGraphicsView::mouseMoveEvent(event);
//handle the first move event transition from a press event
if (_selectionState == SELECTION_STATE_PRESS)
{
_selectionState = SELECTION_STATE_MOVE;
//record positions to determine movement on release
_preMovePositions.clear();
for (auto obj : getObjectsSelected(~GRAPH_CONNECTION))
{
_preMovePositions[obj] = obj->pos();
}
}
//cause full render when moving objects for clean animation
if (_selectionState == SELECTION_STATE_MOVE) this->render();
//auto scroll near boundaries
if (_selectionState != SELECTION_STATE_NONE)
{
handleAutoScroll(this->horizontalScrollBar(), this->size().width(), this->mapToScene(event->pos()).x());
handleAutoScroll(this->verticalScrollBar(), this->size().height(), this->mapToScene(event->pos()).y());
}
}
void
TrackEditor::slotLoopDraggedToPosition(timeT position)
{
if (!m_doc)
return;
int currentEndLoopPos = m_doc->getComposition().getLoopEnd();
double dummy;
handleAutoScroll(currentEndLoopPos, position, dummy);
}
void
TrackEditor::slotPointerDraggedToPosition(timeT position)
{
int currentPointerPos = m_compositionView->getPointerPos();
double newPosition;
if (handleAutoScroll(currentPointerPos, position, newPosition))
m_compositionView->drawPointer(int(newPosition));
}
void GraphDraw::mouseMoveEvent(QMouseEvent *event)
{
QGraphicsView::mouseMoveEvent(event);
//implement mouse tracking for blocks
const auto scenePos = this->mapToScene(event->pos());
for (auto obj : this->getGraphObjects())
{
obj->updateMouseTracking(obj->mapFromParent(scenePos));
}
//handle drawing in the click, drag, connect mode
const auto topObj = _lastClickSelectEp.getObj();
if (_connectLineItem and topObj)
{
const auto attrs = topObj->getConnectableAttrs(_lastClickSelectEp.getKey());
const auto newPos = topObj->mapFromParent(scenePos);
_connectLineItem->setLine(QLineF(attrs.point, newPos));
}
//handle the first move event transition from a press event
if (_selectionState == SELECTION_STATE_PRESS)
{
_selectionState = SELECTION_STATE_MOVE;
//record positions to determine movement on release
_preMovePositions.clear();
for (auto obj : getObjectsSelected(~GRAPH_CONNECTION))
{
_preMovePositions[obj] = obj->pos();
}
}
//cause full render when moving objects for clean animation
if (_selectionState == SELECTION_STATE_MOVE) this->render();
//auto scroll near boundaries
if (_selectionState != SELECTION_STATE_NONE)
{
handleAutoScroll(this->horizontalScrollBar(), this->size().width(), this->mapToScene(event->pos()).x());
handleAutoScroll(this->verticalScrollBar(), this->size().height(), this->mapToScene(event->pos()).y());
}
}
