73 lines
3.7 KiB
C++
73 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Layout/Visibility.h"
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#include "WidgetBlueprintEditor.h"
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#include "IPropertyTypeCustomization.h"
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#include "StructUtils/InstancedStruct.h"
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#include "PropertyHandle.h"
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class IDetailChildrenBuilder;
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class IPropertyUtilities;
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class FWidgetNavigationCustomization : public IPropertyTypeCustomization
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{
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public:
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/** Makes a new instance of this detail layout class for a specific detail view requesting it */
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static TSharedRef<class IPropertyTypeCustomization> MakeInstance(TSharedRef<FWidgetBlueprintEditor> InEditor)
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{
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return MakeShareable(new FWidgetNavigationCustomization(InEditor));
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}
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FWidgetNavigationCustomization(TSharedRef<FWidgetBlueprintEditor> InEditor)
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: Editor(InEditor)
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{
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}
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virtual void CustomizeHeader(TSharedRef<IPropertyHandle> PropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& CustomizationUtils) override;
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virtual void CustomizeChildren(TSharedRef<IPropertyHandle> PropertyHandle, class IDetailChildrenBuilder& ChildBuilder, IPropertyTypeCustomizationUtils& CustomizationUtils) override;
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private:
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EUINavigationRule GetNavigationRule(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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FText GetNavigationText(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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void MakeNavRow(TWeakPtr<IPropertyHandle> PropertyHandle, IDetailChildrenBuilder& ChildBuilder, EUINavigation Nav, FText NavName);
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TSharedRef<class SWidget> MakeNavMenu(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav);
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void HandleNavMenuEntryClicked(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav, EUINavigationRule Rule);
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TSharedRef<SWidget> OnGenerateWidgetList(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav);
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void HandleSelectedCustomNavigationFunction(FName SelectedFunction, TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav);
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void HandleResetCustomNavigationFunction(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav);
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FText GetExplictWidget(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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TOptional<FName> GetUniformNavigationTargetOrFunction(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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void OnWidgetSelectedForExplicitNavigation(FName ExplictWidgetOrFunction, TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav);
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EVisibility GetCustomWidgetFieldVisibility(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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EVisibility GetExplictWidgetFieldVisibility(TWeakPtr<IPropertyHandle> PropertyHandle, EUINavigation Nav) const;
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void SetNav(UWidget* Widget, EUINavigation Nav, TOptional<EUINavigationRule> Rule, TOptional<FName> WidgetToFocus);
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bool DoesWidgetSupportRoutingPolicy(TWeakPtr<IPropertyHandle> PropertyHandle) const;
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EWidgetNavigationRoutingPolicy GetRoutingPolicy(TWeakPtr<IPropertyHandle> PropertyHandle) const;
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FText GetRoutingPolicyText(TWeakPtr<IPropertyHandle> PropertyHandle) const;
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TSharedRef<class SWidget> MakeRoutingPolicyMenu(TWeakPtr<IPropertyHandle> PropertyHandle);
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void HandleRoutingPolicyMenuEntryClicked(TWeakPtr<IPropertyHandle> PropertyHandle, EWidgetNavigationRoutingPolicy Policy);
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void SetRoutingPolicy(UWidget* Widget, EWidgetNavigationRoutingPolicy Policy);
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void OnNavigationMethodPrePropertyChange(TWeakPtr<IPropertyHandle> PropertyHandle);
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void MakeNavigationMethodStructPicker(TWeakPtr<IPropertyHandle> PropertyHandle, IDetailChildrenBuilder& ChildBuilder);
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void HandleNavigationMethodStructPicked(TWeakPtr<IPropertyHandle> PropertyHandle, const UScriptStruct* InStruct);
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void SetNavigationMethodStruct(UWidget* Widget, const UScriptStruct* NavigationMethodStruct);
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private:
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TWeakPtr<FWidgetBlueprintEditor> Editor;
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TSharedPtr<IPropertyUtilities> PropertyUtilities;
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};
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