void LiftDragPlot::mouseMoveEvent(
QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton)
{
QPoint pos = event->pos();
QVector2D diff = QVector2D(pos - mBeginPos);
if (diff.length() > selectionTolerance())
{
mDragging = true;
}
if (mDragging)
{
const double cd = xAxis->pixelToCoord(pos.x());
const double cl = yAxis->pixelToCoord(pos.y());
const double c = cd / 2;
const double a = c / cl / cl;
mMainWindow->setMinDrag(c);
mMainWindow->setMaxLD(1 / sqrt(4 * a * c));
}
}
else if (QCPCurve *graph = qobject_cast<QCPCurve *>(plottable(0)))
{
const QCPCurveDataMap *data = graph->data();
double resultTime;
double resultDistance = std::numeric_limits<double>::max();
for (QCPCurveDataMap::const_iterator it = data->constBegin();
it != data->constEnd();
++it)
{
QVector2D pt = QVector2D(xAxis->coordToPixel(it.value().key),
yAxis->coordToPixel(it.value().value));
double dist = pt.distanceToPoint(QVector2D(event->pos()));
if (dist < resultDistance)
{
resultTime = it.value().t;
resultDistance = dist;
}
}
if (resultDistance < selectionTolerance())
{
setMark(resultTime);
}
else
{
mMainWindow->clearMark();
QToolTip::hideText();
}
}
}
void WindPlot::mouseMoveEvent(
QMouseEvent *event)
{
if (QCPCurve *curve = qobject_cast<QCPCurve *>(plottable(0)))
{
QSharedPointer<QCPCurveDataContainer> data = curve->data();
double resultTime;
double resultDistance = std::numeric_limits<double>::max();
for (QCPCurveDataContainer::const_iterator it = data->constBegin();
it != data->constEnd() && (it + 1) != data->constEnd();
++ it)
{
QPointF pt1 = QPointF(xAxis->coordToPixel(it->key),
yAxis->coordToPixel(it->value));
QPointF pt2 = QPointF(xAxis->coordToPixel((it + 1)->key),
yAxis->coordToPixel((it + 1)->value));
double mu;
double dist = sqrt(distSqrToLine(pt1, pt2, event->pos(), mu));
if (dist < resultDistance)
{
double t1 = it->t;
double t2 = (it + 1)->t;
resultTime = t1 + mu * (t2 - t1);
resultDistance = dist;
}
}
if (resultDistance < selectionTolerance())
{
mMainWindow->setMark(resultTime);
}
else
{
mMainWindow->clearMark();
}
}
}
