MacWindow.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "GenericPlatform/GenericWindow.h"
#include "Templates/SharedPointer.h"
#include "Mac/CocoaWindow.h"
 
class APPLICATIONCORE_API FMacWindow : public FGenericWindow, public TSharedFromThis<FMacWindow>
{
public:
    ~FMacWindow();
 
    static TSharedRef< FMacWindow > Make();
 
    FCocoaWindow* GetWindowHandle() const;
 
    void Initialize( class FMacApplication* const Application, const TSharedRef< FGenericWindowDefinition >& InDefinition, const TSharedPtr< FMacWindow >& InParent, const bool bShowImmediately );
    
    void OnDisplayReconfiguration(CGDirectDisplayID Display, CGDisplayChangeSummaryFlags Flags);
 
    void OnWindowDidChangeScreen();
 
public:
 
    virtual void ReshapeWindow( int32 X, int32 Y, int32 Width, int32 Height ) override;
 
    virtual bool GetFullScreenInfo( int32& X, int32& Y, int32& Width, int32& Height ) const override;
 
    virtual void MoveWindowTo ( int32 X, int32 Y ) override;
 
    virtual void BringToFront( bool bForce = false ) override;
 
    virtual void Destroy() override;
 
    virtual void Minimize() override;
 
    virtual void Maximize() override;
 
    virtual void Restore() override;
 
    virtual void Show() override;
 
    virtual void Hide() override;
 
    virtual void SetWindowMode( EWindowMode::Type NewWindowMode ) override;
 
    virtual EWindowMode::Type GetWindowMode() const override;
 
    virtual bool IsMaximized() const override;
 
    virtual bool IsMinimized() const override;
 
    virtual bool IsVisible() const override;
 
    virtual bool GetRestoredDimensions(int32& X, int32& Y, int32& Width, int32& Height) override;
 
    virtual void SetWindowFocus() override;
 
    virtual void SetOpacity( const float InOpacity ) override;
 
    virtual bool IsPointInWindow( int32 X, int32 Y ) const override;
 
    virtual int32 GetWindowBorderSize() const override;
 
    virtual void* GetOSWindowHandle() const  override { return WindowHandle; }
 
    virtual bool IsForegroundWindow() const override;
 
    virtual void SetText(const TCHAR* const Text) override;
 
    virtual float GetDPIScaleFactor() const override;
 
    virtual void SetNativeWindowButtonsVisibility(bool bVisible);
 
    bool IsRegularWindow() const;
 
    int32 PositionX;
    int32 PositionY;
 
 
private:
 
    FMacWindow();
 
    const CGDirectDisplayID GetDisplayID() const { return DisplayID; }
 
    void ApplySizeAndModeChanges(int32 X, int32 Y, int32 Width, int32 Height, EWindowMode::Type WindowMode);
    void UpdateFullScreenState(bool bToggleFullScreen);
    void WaitForFullScreenTransition();
 
private:
 
    FMacApplication* OwningApplication;
 
    FCocoaWindow* WindowHandle;
 
    CGDirectDisplayID DisplayID;
    
    float CachedOpacity;
 
    struct FWindowedModeSavedState
    {
        CGDirectDisplayID CapturedDisplayID;
        CGDisplayModeRef DesktopDisplayMode;
        int32 WindowLevel;
 
        FWindowedModeSavedState() : CapturedDisplayID(kCGNullDirectDisplay), DesktopDisplayMode(nullptr), WindowLevel(NSNormalWindowLevel) {}
    } WindowedModeSavedState;
 
    bool bIsVisible : 1;
    bool bIsClosed : 1;
 
    bool bIsFirstTimeVisible : 1;
    
    bool bIsMainEditorWindow : 1;
};