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126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#include "UMGPrivatePCH.h"
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#define LOCTEXT_NAMESPACE "UMG"
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/////////////////////////////////////////////////////
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// UCheckBox
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UCheckBox::UCheckBox(const FPostConstructInitializeProperties& PCIP)
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: Super(PCIP)
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{
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SCheckBox::FArguments CheckBoxDefaults;
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bIsChecked = false;
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HorizontalAlignment = CheckBoxDefaults._HAlign;
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Padding = CheckBoxDefaults._Padding.Get();
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ForegroundColor = FLinearColor::White;
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BorderBackgroundColor = FLinearColor::White;
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}
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TSharedRef<SWidget> UCheckBox::RebuildWidget()
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{
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const FCheckBoxStyle* StylePtr = ( Style != NULL ) ? Style->GetStyle<FCheckBoxStyle>() : NULL;
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if ( StylePtr == NULL )
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{
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SCheckBox::FArguments Defaults;
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StylePtr = Defaults._Style;
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}
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TOptional<FSlateSound> OptionalCheckedSound;
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if ( CheckedSound.GetResourceObject() )
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{
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OptionalCheckedSound = CheckedSound;
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}
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TOptional<FSlateSound> OptionalUncheckedSound;
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if ( UncheckedSound.GetResourceObject() )
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{
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OptionalUncheckedSound = UncheckedSound;
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}
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TOptional<FSlateSound> OptionalHoveredSound;
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if ( HoveredSound.GetResourceObject() )
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{
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OptionalHoveredSound = HoveredSound;
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}
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MyCheckbox = SNew(SCheckBox)
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.Style(StylePtr)
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.OnCheckStateChanged( BIND_UOBJECT_DELEGATE(FOnCheckStateChanged, SlateOnCheckStateChangedCallback) )
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.IsChecked( BIND_UOBJECT_ATTRIBUTE(ESlateCheckBoxState::Type, GetCheckState) )
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.HAlign( HorizontalAlignment )
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.Padding( Padding )
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.ForegroundColor( ForegroundColor )
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.BorderBackgroundColor( BorderBackgroundColor )
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.CheckedSoundOverride(OptionalCheckedSound)
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.UncheckedSoundOverride(OptionalUncheckedSound)
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.HoveredSoundOverride(OptionalHoveredSound)
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;
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return MyCheckbox.ToSharedRef();
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}
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void UCheckBox::SyncronizeProperties()
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{
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Super::SyncronizeProperties();
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MyCheckbox->SetUncheckedImage(UncheckedImage ? &UncheckedImage->Brush : nullptr);
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MyCheckbox->SetUncheckedHoveredImage(UncheckedHoveredImage ? &UncheckedHoveredImage->Brush : nullptr);
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MyCheckbox->SetUncheckedPressedImage(UncheckedPressedImage ? &UncheckedPressedImage->Brush : nullptr);
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MyCheckbox->SetCheckedImage(CheckedImage ? &CheckedImage->Brush : nullptr);
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MyCheckbox->SetCheckedHoveredImage(CheckedHoveredImage ? &CheckedHoveredImage->Brush : nullptr);
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MyCheckbox->SetCheckedPressedImage(CheckedPressedImage ? &CheckedPressedImage->Brush : nullptr);
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MyCheckbox->SetUndeterminedImage(UndeterminedImage ? &UndeterminedImage->Brush : nullptr);
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MyCheckbox->SetUndeterminedHoveredImage(UndeterminedHoveredImage ? &UndeterminedHoveredImage->Brush : nullptr);
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MyCheckbox->SetUndeterminedPressedImage(UndeterminedPressedImage ? &UndeterminedPressedImage->Brush : nullptr);
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}
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bool UCheckBox::IsPressed() const
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{
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return MyCheckbox->IsPressed();
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}
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bool UCheckBox::IsChecked() const
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{
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return MyCheckbox->IsChecked();
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}
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ESlateCheckBoxState::Type UCheckBox::GetCheckState() const
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{
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return bIsChecked ? ESlateCheckBoxState::Checked : ESlateCheckBoxState::Unchecked;
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}
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void UCheckBox::SlateOnCheckStateChangedCallback(ESlateCheckBoxState::Type NewState)
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{
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//@TODO: Choosing to treat Undetermined as Checked
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const bool bWantsToBeChecked = NewState != ESlateCheckBoxState::Unchecked;
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if (OnCheckStateChanged.IsBound())
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{
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OnCheckStateChanged.Broadcast(bWantsToBeChecked);
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}
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else
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{
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bIsChecked = bWantsToBeChecked;
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}
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}
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#if WITH_EDITOR
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const FSlateBrush* UCheckBox::GetEditorIcon()
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{
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return FUMGStyle::Get().GetBrush("Widget.CheckBox");
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}
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#endif
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/////////////////////////////////////////////////////
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#undef LOCTEXT_NAMESPACE
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