Fixed issue with SImGuiLayout blocking mouse input for other Slate widgets, which was introduced by refactorization of widgets (version 1.14, commit c144658f):

- Changed visibility of widgets in ImGui layout from 'Visible' to 'SelfHitTestInvisible'.

CHANGES.md

@@ -5,6 +5,9 @@ Versions marked as 'unofficial' are labelled only for the needs of this changelo
 Change History
 --------------
 
+Version: 1.16 (2019/05)
+- Fixed issue with SImGuiLayout blocking mouse input for other Slate widgets, which was introduced by refactorization of widgets (version 1.14, commit c144658f).
+
 Version: 1.15 (2019/04)
 - Added new FImGuiDelegates interface for ImGui debug delegates.
 - Added code preserving delegates during hot-reloading and moving them to a new module.

README.md

@@ -10,6 +10,8 @@ Dear ImGui simplifies and helps with creation of quality visualisation and debug
 
 Status
 ------
+Version: 1.16
+
 ImGui version: 1.65
 
 Supported engine version: 4.22*

Source/ImGui/Private/Widgets/SImGuiLayout.cpp

@@ -26,11 +26,13 @@ void SImGuiLayout::Construct(const FArguments& InArgs)
 		.IgnoreInheritedScale(true)
 		.HAlign(HAlign_Fill)
 		.VAlign(VAlign_Fill)
+		.Visibility(EVisibility::SelfHitTestInvisible)
 		[
 			// Apply custom scale if necessary.
 			// TODO: Bind to relevant parameter.
 			SNew(SDPIScaler)
 			.DPIScale(1.f)
+			.Visibility(EVisibility::SelfHitTestInvisible)
 			[
 				SNew(SConstraintCanvas)
 				+ SConstraintCanvas::Slot()
@@ -51,5 +53,7 @@ void SImGuiLayout::Construct(const FArguments& InArgs)
 			]
 		]
 	];
+
+	SetVisibility(EVisibility::SelfHitTestInvisible);
 }
 END_SLATE_FUNCTION_BUILD_OPTIMIZATION