// Drag handler for the gui
void OnTrackDurationDrag(double newTime)
{
if (state.editSequence.asset.durationMode == TimelineAsset.DurationMode.FixedLength && !state.editSequence.isReadOnly)
{
// this is the first call to the drag
if (m_TimelineDuration.firstDrag)
{
UndoExtensions.RegisterTimeline(state.editSequence.asset, L10n.Tr("Change Duration"));
}
state.editSequence.asset.fixedDuration = newTime;
// when setting a new length, modify the duration of the timeline playable directly instead of
// rebuilding the whole graph
state.UpdateRootPlayableDuration(newTime);
}
m_TimelineDuration.showTooltip = true;
}
static void SelectDurationCallback(WindowState state, TimelineAsset.DurationMode mode)
{
if (mode == state.editSequence.asset.durationMode)
{
return;
}
UndoExtensions.RegisterTimeline(state.editSequence.asset, "Duration Mode");
// if we switched from Auto to Fixed, use the auto duration as the new fixed duration so the end marker stay in the same position.
if (state.editSequence.asset.durationMode == TimelineAsset.DurationMode.BasedOnClips && mode == TimelineAsset.DurationMode.FixedLength)
{
state.editSequence.asset.UpdateFixedDurationWithItemsDuration();
}
state.editSequence.asset.durationMode = mode;
state.UpdateRootPlayableDuration(state.editSequence.duration);
}