void FVisualLoggerTimeSliderController::CommitScrubPosition( float NewValue, bool bIsScrubbing )
{
// Manage the scrub position ourselves if its not bound to a delegate
if ( !TimeSliderArgs.ScrubPosition.IsBound() )
{
TimeSliderArgs.ScrubPosition.Set( NewValue );
}
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float RangeSize = LocalViewRange.Size<float>();
if (NewValue < LocalViewRange.GetLowerBoundValue())
{
SetTimeRange(NewValue, NewValue + RangeSize);
}
else if (NewValue > LocalViewRange.GetUpperBoundValue())
{
SetTimeRange(NewValue - RangeSize, NewValue);
}
TimeSliderArgs.OnScrubPositionChanged.ExecuteIfBound( NewValue, bIsScrubbing );
}
FReply SProfilerThreadView::OnMouseWheel( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
FReply Reply = FReply::Unhandled();
const bool bZoomIn = MouseEvent.GetWheelDelta() < 0.0f;
const double Center = PositionXMS + RangeXMS*0.5f;
const double MinVisibleRangeMS = 1.0f / INV_MIN_VISIBLE_RANGE_X;
const double NewUnclampedRange = bZoomIn ? RangeXMS*1.25f : RangeXMS / 1.25f;
const double NewRange = FMath::Clamp( NewUnclampedRange, MinVisibleRangeMS, FMath::Min( TotalRangeXMS, (double)MAX_VISIBLE_RANGE_X ) );
const double NewPositionX = FMath::Clamp( Center, NewRange*0.5f, TotalRangeXMS - NewRange*0.5f ) - NewRange*0.5f;
SetTimeRange( NewPositionX, NewPositionX + NewRange );
return Reply;
}
void FVisualLoggerTimeSliderController::SetClampRange(float MinValue, float MaxValue)
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
const float CurrentDistance = LocalClampMax - LocalClampMin;
const float ZoomDelta = (LocalViewRange.GetUpperBoundValue() - LocalViewRange.GetLowerBoundValue()) / CurrentDistance;
MaxValue = MinValue + (MaxValue - MinValue < 2 ? CurrentDistance : MaxValue - MinValue);
TimeSliderArgs.ClampRange = TRange<float>(MinValue, MaxValue);
const float LocalViewRangeMin = FMath::Clamp(LocalViewRange.GetLowerBoundValue(), MinValue, MaxValue);
const float LocalViewRangeMax = FMath::Clamp(LocalViewRange.GetUpperBoundValue(), MinValue, MaxValue);
SetTimeRange(ZoomDelta >= 1 ? MinValue : LocalViewRangeMin, ZoomDelta >= 1 ? MaxValue : LocalViewRangeMax);
}