Files
UnrealEngine/Engine/Source/Runtime/UMG/Private/Binding/CheckedStateBinding.cpp
2025-05-18 13:04:45 +08:00

70 lines
1.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Binding/CheckedStateBinding.h"
#include "Styling/SlateTypes.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(CheckedStateBinding)
#define LOCTEXT_NAMESPACE "UMG"
UCheckedStateBinding::UCheckedStateBinding()
{
}
bool UCheckedStateBinding::IsSupportedSource(FProperty* Property) const
{
return IsSupportedDestination(Property) || IsConcreteTypeCompatibleWithReflectedType<bool>(Property);
}
bool UCheckedStateBinding::IsSupportedDestination(FProperty* Property) const
{
static const FName CheckBoxStateEnum(TEXT("ECheckBoxState"));
if ( FEnumProperty* EnumProperty = CastField<FEnumProperty>(Property) )
{
return EnumProperty->GetEnum()->GetFName() == CheckBoxStateEnum;
}
else if ( FByteProperty* ByteProperty = CastField<FByteProperty>(Property) )
{
if ( ByteProperty->IsEnum() )
{
return ByteProperty->Enum->GetFName() == CheckBoxStateEnum;
}
}
return false;
}
ECheckBoxState UCheckedStateBinding::GetValue() const
{
//SCOPE_CYCLE_COUNTER(STAT_UMGBinding);
if ( UObject* Source = SourceObject.Get() )
{
if ( bConversion.Get(EConversion::None) == EConversion::None )
{
uint8 Value = 0;
if ( SourcePath.GetValue<uint8>(Source, Value) )
{
bConversion = EConversion::None;
return static_cast<ECheckBoxState>(Value);
}
}
if ( bConversion.Get(EConversion::Bool) == EConversion::Bool )
{
bool Value = false;
if ( SourcePath.GetValue<bool>(Source, Value) )
{
bConversion = EConversion::Bool;
return Value ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
}
}
}
return ECheckBoxState::Unchecked;
}
#undef LOCTEXT_NAMESPACE