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ComputePopupFitInRect

Given information about a popup and the space available for displaying that popup, compute best placement for it.

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MacOS

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References

Module	SlateCore
Header	/Engine/Source/Runtime/SlateCore/Public/Layout/LayoutUtils.h
Include	#include "Layout/LayoutUtils.h"
Source	/Engine/Source/Runtime/SlateCore/Private/Layout/LayoutUtils.cpp

Syntax

FVector2D ComputePopupFitInRect
(
    const FSlateRect & InAnchor,
    const FSlateRect & PopupRect,
    const EOrientation & Orientation,
    const FSlateRect & RectToFit
)

Remarks

Given information about a popup and the space available for displaying that popup, compute best placement for it.

Returns

A best position within the RectToFit such that none of the popup clips outside of the RectToFit.

Parameters

Parameter	Description
InAnchor	Area relative to which popup is being created (e.g. the button part of a combo box)
PopupRect	Proposed placement of popup; position may require adjustment.
Orientation	Are we trying to show the popup above/below or left/right relative to the anchor?
RectToFit	The space available for showing this popup; we want to fit entirely within it without clipping.

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