FReply STableViewBase::OnMouseButtonUp( const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if ( MouseEvent.GetEffectingButton() == EKeys::RightMouseButton )
{
OnRightMouseButtonUp( MouseEvent );
FReply Reply = FReply::Handled().ReleaseMouseCapture();
bShowSoftwareCursor = false;
// If we have mouse capture, snap the mouse back to the closest location that is within the list's bounds
if ( HasMouseCapture() )
{
FSlateRect ListScreenSpaceRect = MyGeometry.GetClippingRect();
FVector2D CursorPosition = MyGeometry.LocalToAbsolute( SoftwareCursorPosition );
FIntPoint BestPositionInList(
FMath::RoundToInt( FMath::Clamp( CursorPosition.X, ListScreenSpaceRect.Left, ListScreenSpaceRect.Right ) ),
FMath::RoundToInt( FMath::Clamp( CursorPosition.Y, ListScreenSpaceRect.Top, ListScreenSpaceRect.Bottom ) )
);
Reply.SetMousePos(BestPositionInList);
}
return Reply;
}
return FReply::Unhandled();
}
FReply FScrollyZoomy::OnMouseButtonUp( const TSharedRef<SWidget> MyWidget, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
{
AmountScrolledWhileRightMouseDown = 0;
FReply Reply = FReply::Handled().ReleaseMouseCapture();
bShowSoftwareCursor = false;
// If we have mouse capture, snap the mouse back to the closest location that is within the panel's bounds
if (MyWidget->HasMouseCapture())
{
FSlateRect PanelScreenSpaceRect = MyGeometry.GetClippingRect();
FVector2D CursorPosition = MyGeometry.LocalToAbsolute( SoftwareCursorPosition );
FIntPoint BestPositionInPanel(
FMath::RoundToInt( FMath::Clamp( CursorPosition.X, PanelScreenSpaceRect.Left, PanelScreenSpaceRect.Right ) ),
FMath::RoundToInt( FMath::Clamp( CursorPosition.Y, PanelScreenSpaceRect.Top, PanelScreenSpaceRect.Bottom ) )
);
Reply.SetMousePos( BestPositionInPanel );
}
if (!bUseIntertialScrolling)
{
HorizontalIntertia.ClearScrollVelocity();
VerticalIntertia.ClearScrollVelocity();
}
return Reply;
}
return FReply::Unhandled();
}
FReply SPaperEditorViewport::OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
// Did the user move the cursor sufficiently far, or is it in a dead zone?
// In Dead zone - implies actions like summoning context menus and general clicking.
// Out of Dead Zone - implies dragging actions like moving nodes and marquee selection.
const bool bCursorInDeadZone = TotalMouseDelta <= FSlateApplication::Get().GetDragTriggerDistance();
if (MouseEvent.GetEffectingButton() == EKeys::RightMouseButton)
{
FReply ReplyState = FReply::Handled();
if (HasMouseCapture())
{
FSlateRect ThisPanelScreenSpaceRect = MyGeometry.GetClippingRect();
const FVector2D ScreenSpaceCursorPos = MyGeometry.LocalToAbsolute( GraphCoordToPanelCoord( SoftwareCursorPosition ) );
FIntPoint BestPositionInViewport(
FMath::RoundToInt( FMath::Clamp( ScreenSpaceCursorPos.X, ThisPanelScreenSpaceRect.Left, ThisPanelScreenSpaceRect.Right ) ),
FMath::RoundToInt( FMath::Clamp( ScreenSpaceCursorPos.Y, ThisPanelScreenSpaceRect.Top, ThisPanelScreenSpaceRect.Bottom ) )
);
if (!bCursorInDeadZone)
{
ReplyState.SetMousePos(BestPositionInViewport);
}
}
TSharedPtr<SWidget> WidgetToFocus;
if (bCursorInDeadZone)
{
//WidgetToFocus = OnSummonContextMenu(MyGeometry, MouseEvent);
}
bShowSoftwareCursor = false;
bIsPanning = false;
return (WidgetToFocus.IsValid())
? ReplyState.ReleaseMouseCapture().SetUserFocus(WidgetToFocus.ToSharedRef(), EFocusCause::SetDirectly)
: ReplyState.ReleaseMouseCapture();
}
else if (MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton)
{
if (OnHandleLeftMouseRelease(MyGeometry, MouseEvent))
{
}
else if (bCursorInDeadZone)
{
//@TODO: Move to selection manager
// if ( NodeUnderMousePtr.IsValid() )
// {
// // We clicked on a node!
// TSharedRef<SNode> NodeWidgetUnderMouse = NodeUnderMousePtr.Pin().ToSharedRef();
//
// SelectionManager.ClickedOnNode(NodeWidgetUnderMouse->GetObjectBeingDisplayed(), MouseEvent);
//
// // We're done interacting with this node.
// NodeUnderMousePtr.Reset();
// }
// else
if (HasMouseCapture())
{
// We clicked on the panel background
//@TODO: There isn't a marquee operation for clear, need to signal to remove existing sets too!
//Marquee.End();
//OnSelectionChanged.ExecuteIfBound(Marquee, false);
}
}
else if (Marquee.IsValid())
{
//ApplyMarqueeSelection(Marquee, SelectionManager.SelectedNodes, SelectionManager.SelectedNodes);
//SelectionManager.OnSelectionChanged.ExecuteIfBound(SelectionManager.SelectedNodes);
OnSelectionChanged.ExecuteIfBound(Marquee, true);
}
// The existing marquee operation ended; reset it.
Marquee = FMarqueeOperation();
if (bIsPanning)
{
// We have released the left mouse button. But we're still panning
// (i.e. RIGHT MOUSE is down), so we want to hold on to capturing mouse input.
return FReply::Handled();
}
else
{
// We aren't panning, so we can release the mouse capture.
return FReply::Handled().ReleaseMouseCapture();
}
}
return FReply::Unhandled();
}
void SMenuAnchor::Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
TSharedPtr<SWindow> PopupWindow = PopupWindowPtr.Pin();
if ( PopupWindow.IsValid() && IsOpenViaCreatedWindow() )
{
// Figure out where our attached pop-up window should be placed.
const FVector2D PopupContentDesiredSize = PopupWindow->GetContent()->GetDesiredSize();
FGeometry PopupGeometry = ComputeMenuPlacement( AllottedGeometry, PopupContentDesiredSize, Placement.Get() );
const FVector2D NewPosition = PopupGeometry.LocalToAbsolute(FVector2D::ZeroVector);
// For the CreateWindow case, don't transform the size; it will always use the ApplicationScale
const FVector2D NewSize = PopupGeometry.GetLocalSize();
const FSlateRect NewShape = FSlateRect( NewPosition.X, NewPosition.Y, NewPosition.X + NewSize.X, NewPosition.Y + NewSize.Y );
// We made a window for showing the popup.
// Update the window's position!
if (false /*PopupWindow->IsMorphing()*/ )
{
if( NewShape != PopupWindow->GetMorphTargetShape() )
{
// Update the target shape
PopupWindow->UpdateMorphTargetShape( NewShape );
// Set size immediately if not morphing size
if(!PopupWindow->IsMorphingSize())
{
PopupWindow->ReshapeWindow( PopupWindow->GetPositionInScreen(), NewSize );
}
}
}
else
{
const FVector2D WindowPosition = PopupWindow->GetPositionInScreen();
const FVector2D WindowSize = PopupWindow->GetSizeInScreen();
if ( NewPosition != WindowPosition || NewSize != WindowSize )
{
#if PLATFORM_LINUX
// @FIXME: for some reason, popups reshaped here do not trigger OnWindowMoved() callback,
// so we manually set cached position to where we expect it to be. Note the order of operations - (before Reshape) -
// still giving the callback a chance to change it.
// This needs to be investigated (tracked as TTP #347674).
PopupWindow->SetCachedScreenPosition( NewPosition );
#endif // PLATFORM_LINUX
PopupWindow->ReshapeWindow( NewShape );
}
}
}
else if (PopupWindow.IsValid() && IsOpenAndReusingWindow())
{
// Ideally, do this in OnArrangeChildren(); currently not possible because OnArrangeChildren()
// can be called in DesktopSpace or WindowSpace, and we will not know which version of the Window
// geometry to use. Tick() is always in DesktopSpace, so cache the solution here and just use
// it in OnArrangeChildren().
const FPopupPlacement LocalPlacement(AllottedGeometry, Children[1].GetWidget()->GetDesiredSize(), Placement.Get());
const FSlateRect WindowRectLocalSpace = TransformRect(Inverse(AllottedGeometry.GetAccumulatedLayoutTransform()), PopupWindow->GetClientRectInScreen());
const FVector2D FittedPlacement = ComputePopupFitInRect(
LocalPlacement.AnchorLocalSpace,
FSlateRect(LocalPlacement.LocalPopupOffset, LocalPlacement.LocalPopupOffset + LocalPlacement.LocalPopupSize),
LocalPlacement.Orientation, WindowRectLocalSpace);
LocalPopupPosition = FittedPlacement;
ScreenPopupPosition = AllottedGeometry.GetAccumulatedLayoutTransform().TransformPoint(LocalPopupPosition);
}
/** The tick is ending, so the window was not dismissed this tick. */
bDismissedThisTick = false;
}
void USlateBlueprintLibrary::LocalToViewport(UObject* WorldContextObject, const FGeometry& Geometry, FVector2D LocalCoordinate, FVector2D& ScreenPosition, FVector2D& ViewportPosition)
{
FVector2D AbsoluteCoordinate = Geometry.LocalToAbsolute(LocalCoordinate);
return AbsoluteToViewport(WorldContextObject, Geometry, AbsoluteCoordinate, ScreenPosition, ViewportPosition);
}
FVector2D USlateBlueprintLibrary::LocalToAbsolute(const FGeometry& Geometry, FVector2D LocalCoordinate)
{
return Geometry.LocalToAbsolute(LocalCoordinate);
}