Initial code for radial rendering

Source/Integration/RadialMenu.h

@@ -6,8 +6,11 @@
 #pragma once
 
 #include "CoreMinimal.h"
+#include "Components/Widget.h"
 #include "RadialMenu.generated.h"
 
+class SRadialMenu;
+
 
 USTRUCT(BlueprintType)
 struct FRadialMenuItem
@@ -21,7 +24,7 @@ struct FRadialMenuItem
 };
 
 UCLASS(BlueprintType)
-class URadialMenu : public UObject
+class URadialMenuLayout : public UObject
 {
     GENERATED_BODY()
 
@@ -36,7 +39,7 @@ public:
     int32 RightNum() const { return NumRight; }
 
     UFUNCTION(BlueprintCallable)
-    const TArray<FRadialMenuItem> GetItems() const { return Items; }
+    const TArray<FRadialMenuItem> &GetItems() const { return Items; }
 
 
 private:
@@ -75,3 +78,27 @@ private:
     int32 NumRight = 0;
 };
 
+
+UCLASS(BlueprintType, Blueprintable)
+class URadialMenuWidget : public UWidget
+{
+    GENERATED_BODY()
+
+public:
+    UFUNCTION(BlueprintCallable)
+    void Configure(int32 NItems, float ItemHeight, float InnerRadius, float MinSpoke, float Spread);
+
+    UFUNCTION(BlueprintCallable)
+    URadialMenuLayout* GetLayout() const { return Layout; }
+
+protected:
+    virtual TSharedRef<SWidget> RebuildWidget() override;
+    virtual void ReleaseSlateResources(bool bReleaseChildren) override;
+
+private:
+    UPROPERTY()
+    TObjectPtr<URadialMenuLayout> Layout;
+
+    TSharedPtr<SRadialMenu> MySlateWidget;
+};
+