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109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/WeakObjectPtr.h"
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#include "Layout/Visibility.h"
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#include "Animation/SlateSprings.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "EditorWidgetsModule.h"
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class FPaintArgs;
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class FSlateWindowElementList;
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class SEditableTextBox;
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/** Widget wraps an editable text box for viewing the names of objects or editing the labels of actors */
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class SObjectNameEditableTextBox : public IObjectNameEditableTextBox
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{
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public:
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SLATE_BEGIN_ARGS(SObjectNameEditableTextBox){}
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SLATE_ARGUMENT(TArray<TWeakObjectPtr<UObject>>, Objects)
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SLATE_END_ARGS()
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/**
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* Construct this widget
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*
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* @param InArgs The declaration data for this widget
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*/
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void Construct( const FArguments& InArgs );
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protected:
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virtual void Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime ) override;
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virtual int32 OnPaint( const FPaintArgs& Args, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const override;
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private:
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/** Updates whether the highlight spring effect is happening */
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EActiveTimerReturnType UpdateHighlightSpringState( double InCurrentTime, float InDeltaTime );
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/** Getter for the Text attribute of the editable text inside this widget */
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FText GetNameText() const;
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/** Should the name editing text box even be visible? */
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EVisibility GetNameVisibility() const;
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/** Getter for the ToolTipText attribute of the editable text inside this widget */
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FText GetNameTooltipText() const;
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/** Getter for the HintText attribute of the editable text inside this widget */
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FText GetNameHintText() const;
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/** Getter for the OnTextCommitted event of the editable text inside this widget */
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void OnNameTextCommitted(const FText& NewText, ETextCommit::Type InTextCommit);
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/** Getter for the IsReadOnly attribute of the editable text inside this widget */
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bool CanEditNameText() const;
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/** Getter for the SelectAllTextWhenFocused attribute of the editable text inside this widget */
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bool CannotEditNameText() const { return !CanEditNameText(); }
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/** Callback to verify a text change */
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void OnTextChanged( const FText& InLabel );
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/** Helper class the get the object name or the actor label if an object is an actor */
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static FString GetObjectDisplayName(TWeakObjectPtr<UObject> Object);
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/** The list of objects whose names are edited by the widget */
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TArray<TWeakObjectPtr<UObject>> Objects;
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/** The current user-entered text for a list of more than one object */
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FString UserSetCommonName;
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/** How many pixels to extend the highlight rectangle's left side horizontally */
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static const float HighlightRectLeftOffset;
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/** How many pixels to extend the highlight rectangle's right side horizontally */
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static const float HighlightRectRightOffset;
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/** How quickly the highlight 'targeting' rectangle will slide around. Larger is faster. */
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static const float HighlightTargetSpringConstant;
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/** Duration of animation highlight target effects */
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static const float HighlightTargetEffectDuration;
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/** Opacity of the highlight target effect overlay */
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static const float HighlightTargetOpacity;
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/** How large the highlight target effect will be when highlighting, as a scalar percentage of font height */
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static const float CommittingAnimOffsetPercent;
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/** Highlight "targeting" visual effect left position */
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FFloatSpring1D HighlightTargetLeftSpring;
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/** Highlight "targeting" visual effect right position */
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FFloatSpring1D HighlightTargetRightSpring;
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/** Last time that the user had a major interaction with the highlight */
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double LastCommittedTime;
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/** The text box used to edit object names */
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TSharedPtr< SEditableTextBox > TextBox;
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// Temp flag to trigger a highlight spring update in the passive tick (because that's where the geometry is)
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bool bUpdateHighlightSpring;
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};
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