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());
}
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();
}