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108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ToolWidgetsUtilitiesPrivate.h"
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#include "Styling/StyleColors.h"
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#include "ToolWidgetsSlateTypes.h"
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#include "ToolWidgetsStylePrivate.h"
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#include "Widgets/Images/SImage.h"
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#include "Widgets/Input/SButton.h"
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#include "Widgets/Layout/SBox.h"
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#include "Widgets/Layout/SSpacer.h"
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#include "Widgets/Layout/SWidgetSwitcher.h"
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#include "Widgets/SBoxPanel.h"
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#include "Widgets/Text/STextBlock.h"
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namespace UE::ToolWidgets::Private
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{
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namespace ActionButton
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{
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TSharedRef<SWidget> MakeButtonContent(
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const TAttribute<const FSlateBrush*>& InIcon,
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const TAttribute<FSlateColor>& InIconColorAndOpacity,
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const TAttribute<FText>& InText,
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const FTextBlockStyle* InTextBlockStyle)
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{
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check(InIconColorAndOpacity.IsSet() || InIconColorAndOpacity.IsBound());
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check(InTextBlockStyle);
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const bool bHasIcon = InIcon.Get() || InIcon.IsBound();
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static constexpr float DefaultIconHeight = FToolWidgetsStylePrivate::FActionButton::DefaultIconHeight;
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static constexpr float IconTextPadding = FToolWidgetsStylePrivate::FActionButton::DefaultIconLabelSpacing;
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const TSharedRef<SHorizontalBox> ButtonContentContainer = SNew(SHorizontalBox)
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+ SHorizontalBox::Slot()
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.HAlign(HAlign_Center)
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.VAlign(VAlign_Center)
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.AutoWidth()
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.Padding(0)
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[
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SNew(SWidgetSwitcher)
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.WidgetIndex(bHasIcon ? 1 : 0)
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+ SWidgetSwitcher::Slot()
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[
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SNew(SSpacer)
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.Size(FVector2D{ 0, DefaultIconHeight })
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]
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+ SWidgetSwitcher::Slot()
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[
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SNew(SImage)
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.Image(InIcon)
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.ColorAndOpacity(InIconColorAndOpacity)
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.Visibility(bHasIcon ? EVisibility::HitTestInvisible : EVisibility::Collapsed)
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]
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]
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+ SHorizontalBox::Slot()
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.VAlign(VAlign_Center)
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.FillWidth(1.0f)
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.Padding(FMargin(bHasIcon ? IconTextPadding : 0, 0, 0, 0))
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[
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SNew(STextBlock)
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.TextStyle(InTextBlockStyle)
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.Text(InText)
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.Visibility_Lambda([InText]()
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{
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return InText.Get(
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FText::GetEmpty()).IsEmpty()
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? EVisibility::Collapsed
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: EVisibility::Visible;
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})
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];
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return ButtonContentContainer;
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}
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TSharedRef<SWidget> MakeButtonContent(
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const FActionButtonStyle* InActionButtonStyle,
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const TAttribute<const FSlateBrush*>& InIcon,
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const TAttribute<FSlateColor>& InIconColorAndOpacity,
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const TAttribute<FText>& InText,
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const FTextBlockStyle* InTextBlockStyle)
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{
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check(InActionButtonStyle);
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// Check for widget level override, then style override, otherwise unset
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const TAttribute<const FSlateBrush*> Icon = InIcon.IsSet()
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? InIcon
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: InActionButtonStyle->IconBrush.IsSet()
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? &InActionButtonStyle->IconBrush.GetValue()
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: nullptr;
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TAttribute<FSlateColor> IconColorAndOpacity = FSlateColor::UseForeground();
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if (ensureMsgf(InIconColorAndOpacity.IsSet() || InActionButtonStyle->IconColorAndOpacity.IsSet(), TEXT("The provided IconColorAndOpacity must either be set directly, or stored in the ActionButtonStyle.")))
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{
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// If provided Attribute not set, get from the ActionButtonStyle
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IconColorAndOpacity = InIconColorAndOpacity.Get(InActionButtonStyle->IconColorAndOpacity.Get(IconColorAndOpacity.Get()));
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}
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const FTextBlockStyle* TextBlockStyle = InTextBlockStyle ? InTextBlockStyle : &InActionButtonStyle->TextBlockStyle;
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return MakeButtonContent(Icon, IconColorAndOpacity, InText, TextBlockStyle);
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}
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}
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}
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