77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Templates/SharedPointer.h"
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#include "UObject/WeakObjectPtr.h"
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#include "UObject/WeakObjectPtrTemplates.h"
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#include "Widgets/SCompoundWidget.h"
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class FAssetThumbnail;
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class USceneThumbnailInfo;
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class USceneThumbnailInfoWithPrimitive;
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struct FSlateBrush;
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// This is the equivalent of the ContentBrowser one, with some Graphic changes.
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// The ContentBrowser one will be later removed when the new style will be enabled by default.
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/**
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* AssetThumbnail EditMode widget, used for the Edit mode of the thumbnails (Ex: changing Shape/Angle)
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*/
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class SAssetThumbnailEditModeTools : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SAssetThumbnailEditModeTools)
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: _SmallView(false)
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{}
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SLATE_ARGUMENT(bool, SmallView)
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SLATE_END_ARGS()
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/** Constructs this widget with InArgs */
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void Construct(const FArguments& InArgs, const TSharedPtr<FAssetThumbnail>& InAssetThumbnail);
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// SWidget Interface
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virtual FReply OnMouseButtonDown(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual FReply OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual FReply OnMouseMove(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
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virtual FCursorReply OnCursorQuery(const FGeometry& MyGeometry, const FPointerEvent& CursorEvent) const override;
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/** True if currently editing the thumbnail, false otherwise */
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bool IsEditingThumbnail() const;
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protected:
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/** Gets the visibility for the primitives toolbar */
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EVisibility GetPrimitiveToolsVisibility() const;
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/** Gets the visibility for the the thumbnail reset to default button */
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EVisibility GetPrimitiveToolsResetToDefaultVisibility() const;
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/** Gets the brush used to display the currently used primitive */
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const FSlateBrush* GetCurrentPrimitiveBrush() const;
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/** Sets the primitive type for the supplied thumbnail, if possible */
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FReply ChangePrimitive();
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/** Resets the primitive to default */
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FReply ResetToDefault();
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/** Helper accessors for ThumbnailInfo objects */
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USceneThumbnailInfo* GetSceneThumbnailInfo() const;
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USceneThumbnailInfoWithPrimitive* GetSceneThumbnailInfoWithPrimitive() const;
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protected:
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bool bInSmallView = false;
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bool bModifiedThumbnailWhileDragging = false;
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FIntPoint DragStartLocation = FIntPoint(0, 0);
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TWeakPtr<FAssetThumbnail> AssetThumbnail;
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private:
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/** True if currently editing the thumbnail, false otherwise */
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bool bIsEditing = false;
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// Never access this directly.
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mutable TWeakObjectPtr<USceneThumbnailInfo> SceneThumbnailInfoPtr;
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};
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