GenericWindowDefinition.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Containers/UnrealString.h"
#include "GenericPlatform/GenericApplicationMessageHandler.h"
 
 
#ifndef ALPHA_BLENDED_WINDOWS
    #define ALPHA_BLENDED_WINDOWS IS_PROGRAM || WITH_EDITOR
#endif
 
 
enum class EWindowType
{
    Normal,
    Menu,
    ToolTip,
    Notification,
    CursorDecorator,
    GameWindow
};
 
 
enum class EWindowTransparency
{
    None,
 
    PerWindow,
 
#if ALPHA_BLENDED_WINDOWS
    PerPixel,
#endif
};
 
 
enum class EWindowActivationPolicy
{
    Never,
 
    Always,
 
    FirstShown
};
 
 
struct FGenericWindowDefinition
{
    EWindowType Type;
    
    float XDesiredPositionOnScreen;
    float YDesiredPositionOnScreen;
 
    float WidthDesiredOnScreen;
    float HeightDesiredOnScreen;
 
    EWindowTransparency TransparencySupport;
 
    bool HasOSWindowBorder;
    bool AppearsInTaskbar;
    bool IsTopmostWindow;
    bool AcceptsInput;
    EWindowActivationPolicy ActivationPolicy;
    bool FocusWhenFirstShown;
    bool HasCloseButton;
    bool SupportsMinimize;
    bool SupportsMaximize;
 
    bool IsModalWindow;
    bool IsRegularWindow;
    bool HasSizingFrame;
    bool SizeWillChangeOften;
    bool ShouldPreserveAspectRatio;
    int32 ExpectedMaxWidth;
    int32 ExpectedMaxHeight;
 
    FString Title;
    float Opacity;
    int32 CornerRadius;
 
    FWindowSizeLimits SizeLimits;
 
    bool bManualDPI = false;
};