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[REVIEW] [at]lauren.barnes #jira UE-108254 #ROBOMERGE-SOURCE: CL 15377566 in //UE5/Release-5.0-EarlyAccess/... #ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v771-15082668) [CL 15378776 by sebastian nordgren in ue5-main branch]
108 lines
2.5 KiB
C++
108 lines
2.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SDetailExpanderArrow.h"
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#include "SDetailTableRowBase.h"
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#include "SConstrainedBox.h"
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#include "Widgets/Images/SImage.h"
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#include "Widgets/Input/SButton.h"
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void SDetailExpanderArrow::Construct(const FArguments& InArgs, TSharedRef<SDetailTableRowBase> DetailsRow)
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{
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Row = DetailsRow;
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ChildSlot
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[
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SNew(SConstrainedBox)
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.MinWidth(16)
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.Visibility(this, &SDetailExpanderArrow::GetExpanderVisibility)
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[
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SAssignNew(ExpanderArrow, SButton)
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.ButtonStyle(FCoreStyle::Get(), "NoBorder")
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.VAlign(VAlign_Center)
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.HAlign(HAlign_Center)
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.ClickMethod(EButtonClickMethod::MouseDown)
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.OnClicked(this, &SDetailExpanderArrow::OnExpanderClicked)
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.ContentPadding(FMargin(0))
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.IsFocusable(false)
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[
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SNew(SImage)
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.Image(this, &SDetailExpanderArrow::GetExpanderImage)
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.ColorAndOpacity(FSlateColor::UseForeground())
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]
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]
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];
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}
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EVisibility SDetailExpanderArrow::GetExpanderVisibility() const
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{
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TSharedPtr<SDetailTableRowBase> RowPtr = Row.Pin();
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if (!RowPtr.IsValid())
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{
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return EVisibility::Collapsed;
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}
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return RowPtr->DoesItemHaveChildren() ? EVisibility::Visible : EVisibility::Collapsed;
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}
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const FSlateBrush* SDetailExpanderArrow::GetExpanderImage() const
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{
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TSharedPtr<SDetailTableRowBase> RowPtr = Row.Pin();
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if (!RowPtr.IsValid())
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{
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return FAppStyle::Get().GetBrush("NoBrush");
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}
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const bool bIsItemExpanded = RowPtr->IsItemExpanded();
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FName ResourceName;
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if (bIsItemExpanded)
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{
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if (ExpanderArrow->IsHovered())
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{
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static const FName ExpandedHoveredName = "TreeArrow_Expanded_Hovered";
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ResourceName = ExpandedHoveredName;
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}
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else
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{
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static const FName ExpandedName = "TreeArrow_Expanded";
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ResourceName = ExpandedName;
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}
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}
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else
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{
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if (ExpanderArrow->IsHovered())
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{
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static const FName CollapsedHoveredName = "TreeArrow_Collapsed_Hovered";
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ResourceName = CollapsedHoveredName;
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}
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else
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{
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static const FName CollapsedName = "TreeArrow_Collapsed";
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ResourceName = CollapsedName;
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}
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}
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return FAppStyle::Get().GetBrush(ResourceName);
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}
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FReply SDetailExpanderArrow::OnExpanderClicked()
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{
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TSharedPtr<SDetailTableRowBase> RowPtr = Row.Pin();
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if (!RowPtr.IsValid())
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{
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return FReply::Unhandled();
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}
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// Recurse the expansion if "shift" is being pressed
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const FModifierKeysState ModKeyState = FSlateApplication::Get().GetModifierKeys();
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if (ModKeyState.IsShiftDown())
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{
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RowPtr->Private_OnExpanderArrowShiftClicked();
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}
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else
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{
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RowPtr->ToggleExpansion();
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}
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return FReply::Handled();
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} |