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#rnx #rb none #ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904 #ROBOMERGE-BOT: (v613-10869866) [CL 10870586 by ryan durand in Main branch]
52 lines
1.5 KiB
C++
52 lines
1.5 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 "Editor/UnrealEdTypes.h"
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#include "EditorDragTools.h"
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class FCanvas;
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class FEditorViewportClient;
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class FLevelEditorViewportClient;
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class FSceneView;
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/**
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* Draws a line in the current viewport and display the view options
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*/
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class FDragTool_ViewportChange : public FDragTool
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{
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public:
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explicit FDragTool_ViewportChange(FLevelEditorViewportClient* InviewportClient);
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/**
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* Starts a mouse drag behavior. The start location is snapped to the editor constraints if bUseSnapping is true.
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*
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* @param InViewportClient The viewport client in which the drag event occurred.
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* @param InStart Where the mouse was when the drag started (world space).
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* @param InStartScreen Where the mouse was when the drag started (screen space).
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*/
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virtual void StartDrag(FEditorViewportClient* InViewportClient, const FVector& InStart, const FVector2D& InStartScreen) override;
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/**
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* Ends a mouse drag behavior (the user has let go of the mouse button).
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*/
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virtual void EndDrag() override;
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/* Updates the drag tool's end location with the specified delta. The end location is
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* snapped to the editor constraints if bUseSnapping is true.
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*
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* @param InDelta A delta of mouse movement.
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*/
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virtual void AddDelta(const FVector& InDelta) override;
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virtual void Render(const FSceneView* View, FCanvas* Canvas) override;
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private:
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FLevelEditorViewportClient* LevelViewportClient;
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ELevelViewportType ViewOption;
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FVector2D ViewOptionOffset;
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};
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