void CEditorRoot::SetEditTool( const CString &sEditToolName,bool bStopCurrentTool/*=true */ )
{
CEditTool *pTool = GetEditTool();
if (pTool && pTool->GetClassDesc())
{
if (stricmp(pTool->GetClassDesc()->ClassName(),sEditToolName) == 0)
return;
}
IClassDesc *pClass = this->GetClassFactory()->FindClass( sEditToolName );
if (!pClass)
{
//Warning( "Editor Tool %s not registered.",(const char*)sEditToolName );
return;
}
if (pClass->SystemClassID() != ESYSTEM_CLASS_EDITTOOL)
{
//Warning( "Class name %s is not a valid Edit Tool class.",(const char*)sEditToolName );
return;
}
CRuntimeClass *pRtClass = pClass->GetRuntimeClass();
if (pRtClass && pRtClass->IsDerivedFrom(RUNTIME_CLASS(CEditTool)))
{
CEditTool *pEditTool = (CEditTool*)pRtClass->CreateObject();
this->SetEditTool(pEditTool);
return;
}
else
{
//Warning( "Class name %s is not a valid Edit Tool class.",(const char*)sEditToolName );
return;
}
}
void SSequencerTrackArea::OnMouseCaptureLost()
{
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
SequencerPin->GetEditTool().OnMouseCaptureLost();
}
}
void SSequencerTrackArea::OnMouseLeave(const FPointerEvent& MouseEvent)
{
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
SequencerPin->GetEditTool().OnMouseLeave(*this, MouseEvent);
}
}
FReply SSequencerTrackArea::OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
FReply Reply = SequencerPin->GetEditTool().OnMouseButtonUp(*this, MyGeometry, MouseEvent);
if (Reply.IsEventHandled())
{
return Reply;
}
}
return TimeSliderController->OnMouseButtonUp( SharedThis(this), MyGeometry, MouseEvent );
}
FCursorReply SSequencerTrackArea::OnCursorQuery( const FGeometry& MyGeometry, const FPointerEvent& CursorEvent ) const
{
if (CursorEvent.IsMouseButtonDown(EKeys::RightMouseButton) && HasMouseCapture())
{
return FCursorReply::Cursor(EMouseCursor::GrabHandClosed);
}
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
return SequencerPin->GetEditTool().OnCursorQuery(MyGeometry, CursorEvent);
}
return FCursorReply::Unhandled();
}
FReply SSequencerTrackArea::OnMouseMove( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
FReply Reply = SequencerPin->GetEditTool().OnMouseMove(*this, MyGeometry, MouseEvent);
if (Reply.IsEventHandled())
{
return Reply;
}
}
if (MouseEvent.IsMouseButtonDown(EKeys::RightMouseButton) && HasMouseCapture())
{
TreeView.Pin()->ScrollByDelta( -MouseEvent.GetCursorDelta().Y );
}
return TimeSliderController->OnMouseMove( SharedThis(this), MyGeometry, MouseEvent );
}
void SSequencerTrackArea::Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
CachedGeometry = AllottedGeometry;
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
SequencerPin->GetEditTool().Tick(AllottedGeometry, InCurrentTime, InDeltaTime);
}
FVector2D Size = AllottedGeometry.GetLocalSize();
if (!bLockInOutToStartEndRange.Get())
{
if (SizeLastFrame.IsSet() && Size.X != SizeLastFrame->X)
{
// Zoom by the difference in horizontal size
const float Difference = Size.X - SizeLastFrame->X;
TRange<float> OldRange = TimeSliderController->GetViewRange().GetAnimationTarget();
TimeSliderController->SetViewRange(
OldRange.GetLowerBoundValue(),
OldRange.GetUpperBoundValue() + (Difference * OldRange.Size<float>() / SizeLastFrame->X),
EViewRangeInterpolation::Immediate
);
}
}
SizeLastFrame = Size;
for (int32 Index = 0; Index < Children.Num(); )
{
if (!StaticCastSharedRef<SWeakWidget>(Children[Index].GetWidget())->ChildWidgetIsValid())
{
Children.RemoveAt(Index);
}
else
{
++Index;
}
}
}
int32 SSequencerTrackArea::OnPaint(const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
FArrangedChildren ArrangedChildren(EVisibility::Visible);
ArrangeChildren(AllottedGeometry, ArrangedChildren);
for (int32 ChildIndex = 0; ChildIndex < ArrangedChildren.Num(); ++ChildIndex)
{
FArrangedWidget& CurWidget = ArrangedChildren[ChildIndex];
FSlateRect ChildClipRect = MyClippingRect.IntersectionWith( CurWidget.Geometry.GetClippingRect() );
const int32 ThisWidgetLayerId = CurWidget.Widget->Paint( Args.WithNewParent(this), CurWidget.Geometry, ChildClipRect, OutDrawElements, LayerId + 1, InWidgetStyle, ShouldBeEnabled( bParentEnabled ) );
LayerId = FMath::Max(LayerId, ThisWidgetLayerId);
}
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
return SequencerPin->GetEditTool().OnPaint(AllottedGeometry, MyClippingRect, OutDrawElements, LayerId + 1);
}
return LayerId;
}
FReply SSequencerTrackArea::OnMouseWheel( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
// First try the edit tool
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
FReply Reply = SequencerPin->GetEditTool().OnMouseWheel(*this, MyGeometry, MouseEvent);
if (Reply.IsEventHandled())
{
return Reply;
}
}
// Then the time slider
FReply Reply = TimeSliderController->OnMouseWheel( SharedThis(this), MyGeometry, MouseEvent );
if (Reply.IsEventHandled())
{
return Reply;
}
// Failing that, we'll just scroll vertically
TreeView.Pin()->ScrollByDelta(WheelScrollAmount * -MouseEvent.GetWheelDelta());
return FReply::Handled();
}
