MacCursor.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "GenericPlatform/ICursor.h"
#include "Math/IntRect.h"
#include "Math/IntVector.h"
 
@class FCocoaWindow;
 
class FMacCursor : public ICursor
{
public:
 
    FMacCursor();
 
    virtual ~FMacCursor();
 
    virtual void* CreateCursorFromFile(const FString& InPathToCursorWithoutExtension, FVector2D HotSpot) override;
 
    virtual bool IsCreateCursorFromRGBABufferSupported() const override { return true; }
 
    virtual void* CreateCursorFromRGBABuffer(const FColor* Pixels, int32 Width, int32 Height, FVector2D InHotSpot) override;
 
    virtual FVector2D GetPosition() const override;
 
    virtual void SetPosition(const int32 X, const int32 Y) override;
 
    virtual void SetType(const EMouseCursor::Type InNewCursor) override;
 
    virtual EMouseCursor::Type GetType() const override { return CurrentType; }
 
    virtual void GetSize(int32& Width, int32& Height) const override;
 
    virtual void Show(bool bShow) override;
 
    virtual void Lock(const RECT* const Bounds) override;
 
    virtual void SetTypeShape(EMouseCursor::Type InCursorType, void* CursorHandle) override;
 
public:
 
    bool UpdateCursorClipping(FIntVector2& CursorPosition);
 
    void WarpCursor(const int32 X, const int32 Y);
 
    FIntVector2 GetIntPosition() const;
 
    FIntVector2 GetMouseWarpDelta();
 
    void SetHighPrecisionMouseMode(const bool bEnable);
 
    void UpdateCurrentPosition(const FIntVector2& Position);
 
    void UpdateVisibility();
 
    bool IsLocked() const { return CursorClipRect.Area() > 0; }
 
    void SetShouldIgnoreLocking(bool bIgnore) { bShouldIgnoreLocking = bIgnore; }
 
private:
 
    EMouseCursor::Type CurrentType;
 
    NSCursor* CursorHandles[EMouseCursor::TotalCursorCount];
    NSCursor* CursorOverrideHandles[EMouseCursor::TotalCursorCount];
 
    FIntRect CursorClipRect;
 
    bool bIsVisible;
    bool bUseHighPrecisionMode;
    NSCursor* CurrentCursor;
    int32 CursorTypeOverride;
 
    FIntVector2 CurrentPosition;
    FIntVector2 MouseWarpDelta;
    bool bIsPositionInitialised;
    bool bShouldIgnoreLocking;
 
    io_object_t HIDInterface;
    double SavedAcceleration;
};