void QAbstractAnimation::setCurrentTime(int msecs)
{
Q_D(QAbstractAnimation);
msecs = qMax(msecs, 0);
// Calculate new time and loop.
int dura = duration();
int totalDura = dura <= 0 ? dura : ((d->loopCount < 0) ? -1 : dura * d->loopCount);
if (totalDura != -1)
msecs = qMin(totalDura, msecs);
d->totalCurrentTime = msecs;
// Update new values.
int oldLoop = d->currentLoop;
d->currentLoop = ((dura <= 0) ? 0 : (msecs / dura));
if (d->currentLoop == d->loopCount) {
//we're at the end
d->currentTime = qMax(0, dura);
d->currentLoop = qMax(0, d->loopCount - 1);
} else {
if (d->direction == Forward) {
d->currentTime = (dura <= 0) ? msecs : (msecs % dura);
} else {
d->currentTime = (dura <= 0) ? msecs : ((msecs - 1) % dura) + 1;
if (d->currentTime == dura)
--d->currentLoop;
}
}
updateCurrentTime(d->currentTime);
if (d->currentLoop != oldLoop)
emit currentLoopChanged(d->currentLoop);
// All animations are responsible for stopping the animation when their
// own end state is reached; in this case the animation is time driven,
// and has reached the end.
if ((d->direction == Forward && d->totalCurrentTime == totalDura)
|| (d->direction == Backward && d->totalCurrentTime == 0)) {
stop();
}
}
void QAbstractAnimationJob::setCurrentTime(int msecs)
{
msecs = qMax(msecs, 0);
// Calculate new time and loop.
int dura = duration();
int totalDura;
int oldLoop = m_currentLoop;
if (dura < 0 && m_direction == Forward) {
totalDura = -1;
if (m_uncontrolledFinishTime >= 0 && msecs >= m_uncontrolledFinishTime) {
msecs = m_uncontrolledFinishTime;
if (m_currentLoop == m_loopCount - 1) {
totalDura = m_uncontrolledFinishTime;
} else {
++m_currentLoop;
m_currentLoopStartTime = msecs;
m_uncontrolledFinishTime = -1;
}
}
m_totalCurrentTime = msecs;
m_currentTime = msecs - m_currentLoopStartTime;
} else {
totalDura = dura <= 0 ? dura : ((m_loopCount < 0) ? -1 : dura * m_loopCount);
if (totalDura != -1)
msecs = qMin(totalDura, msecs);
m_totalCurrentTime = msecs;
// Update new values.
m_currentLoop = ((dura <= 0) ? 0 : (msecs / dura));
if (m_currentLoop == m_loopCount) {
//we're at the end
m_currentTime = qMax(0, dura);
m_currentLoop = qMax(0, m_loopCount - 1);
} else {
if (m_direction == Forward) {
m_currentTime = (dura <= 0) ? msecs : (msecs % dura);
} else {
m_currentTime = (dura <= 0) ? msecs : ((msecs - 1) % dura) + 1;
if (m_currentTime == dura)
--m_currentLoop;
}
}
}
if (m_currentLoop != oldLoop && !m_group) //### verify Running as well?
fireTopLevelAnimationLoopChanged();
RETURN_IF_DELETED(updateCurrentTime(m_currentTime));
if (m_currentLoop != oldLoop)
currentLoopChanged();
// All animations are responsible for stopping the animation when their
// own end state is reached; in this case the animation is time driven,
// and has reached the end.
if ((m_direction == Forward && m_totalCurrentTime == totalDura)
|| (m_direction == Backward && m_totalCurrentTime == 0)) {
RETURN_IF_DELETED(stop());
}
if (m_hasCurrentTimeChangeListeners)
currentTimeChanged(m_currentTime);
}