FReply SVisualLoggerTimelinesContainer::OnMouseWheel(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
if (MouseEvent.IsLeftControlDown() || MouseEvent.IsLeftShiftDown())
{
return TimeSliderController->OnMouseWheel(*this, MyGeometry, MouseEvent);
}
return FReply::Unhandled();
}
void FSceneViewport::UpdateModifierKeys( const FPointerEvent& InMouseEvent )
{
KeyStateMap.Add( EKeys::LeftAlt, InMouseEvent.IsLeftAltDown() );
KeyStateMap.Add( EKeys::RightAlt, InMouseEvent.IsRightAltDown() );
KeyStateMap.Add(EKeys::LeftControl, InMouseEvent.IsLeftControlDown());
KeyStateMap.Add(EKeys::RightControl, InMouseEvent.IsRightControlDown());
KeyStateMap.Add(EKeys::LeftShift, InMouseEvent.IsLeftShiftDown());
KeyStateMap.Add(EKeys::RightShift, InMouseEvent.IsRightShiftDown());
}
void SVisualLoggerTimelinesContainer::ChangeSelection(TSharedPtr<SLogVisualizerTimeline> InTimeline, const FPointerEvent& MouseEvent)
{
if (MouseEvent.IsLeftShiftDown() == false)
{
if (MouseEvent.IsLeftControlDown())
{
SetSelectionState(InTimeline, !InTimeline->IsSelected(), false);
}
else
{
SetSelectionState(InTimeline, true, true);
}
}
else
{
if (CachedSelectedTimelines.Num() == 0 && TimelineItems.Num())
{
SetSelectionState(TimelineItems[0], true, true);
}
TSharedPtr<SLogVisualizerTimeline> LastSelected = CachedSelectedTimelines.Num() ? CachedSelectedTimelines[CachedSelectedTimelines.Num() - 1] : nullptr;
if (LastSelected.IsValid())
{
bool bStartedSelection = false;
for (TSharedPtr<SLogVisualizerTimeline>& TimelineItem : TimelineItems)
{
if (TimelineItem == LastSelected || InTimeline == TimelineItem)
{
if (!bStartedSelection)
{
bStartedSelection = true;
}
else
{
bStartedSelection = false;
break;
}
}
if (bStartedSelection)
{
SetSelectionState(TimelineItem, true, false);
}
}
}
SetSelectionState(InTimeline, true, false);
}
}
FReply FSequencerTimeSliderController::OnMouseWheel( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
TOptional<TRange<float>> NewTargetRange;
float MouseFractionX = MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition()).X / MyGeometry.GetLocalSize().X;
if ( TimeSliderArgs.AllowZoom && (MouseEvent.IsLeftControlDown() || MouseEvent.IsRightControlDown()) )
{
const float ZoomDelta = -0.2f * MouseEvent.GetWheelDelta();
if (ZoomByDelta(ZoomDelta, MouseFractionX))
{
return FReply::Handled();
}
}
else if (MouseEvent.IsLeftShiftDown() || MouseEvent.IsRightShiftDown())
{
PanByDelta(-MouseEvent.GetWheelDelta());
return FReply::Handled();
}
return FReply::Unhandled();
}
FReply FVisualLoggerTimeSliderController::OnMouseWheel( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
FReply ReturnValue = FReply::Unhandled();;
if (MouseEvent.IsLeftShiftDown())
{
const float ZoomDelta = 0.025f * MouseEvent.GetWheelDelta();
TimeSliderArgs.CursorSize.Set(FMath::Clamp(TimeSliderArgs.CursorSize.Get() + ZoomDelta, 0.0f, 1.0f));
ReturnValue = FReply::Handled();
}
else if ( TimeSliderArgs.AllowZoom )
{
const float ZoomDelta = -0.1f * MouseEvent.GetWheelDelta();
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float OutputViewSize = LocalViewRangeMax - LocalViewRangeMin;
const float OutputChange = OutputViewSize * ZoomDelta;
float NewViewOutputMin = LocalViewRangeMin - (OutputChange * 0.5f);
float NewViewOutputMax = LocalViewRangeMax + (OutputChange * 0.5f);
if( FMath::Abs( OutputChange ) > 0.01f && NewViewOutputMin < NewViewOutputMax )
{
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
// Clamp the range if clamp values are set
if ( NewViewOutputMin < LocalClampMin )
{
NewViewOutputMin = LocalClampMin;
}
if ( NewViewOutputMax > LocalClampMax )
{
NewViewOutputMax = LocalClampMax;
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax), EViewRangeInterpolation::Immediate, false);
if (Scrollbar.IsValid())
{
float InOffsetFraction = (NewViewOutputMin - LocalClampMin) / (LocalClampMax - LocalClampMin);
float InThumbSizeFraction = (NewViewOutputMax - NewViewOutputMin) / (LocalClampMax - LocalClampMin);
Scrollbar->SetState(InOffsetFraction, InThumbSizeFraction);
}
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) );
}
}
}
ReturnValue = FReply::Handled();
}
return ReturnValue;
}