60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Input/Reply.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Framework/Text/SlateHyperlinkRun.h"
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class FActiveTimerHandle;
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class SScrollBox;
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/**
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* Credit screen widget that displays a scrolling list contributors.
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*/
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class SCreditsScreen: public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SCreditsScreen)
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{}
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SLATE_END_ARGS()
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/**
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* Constructs the credits screen widgets
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*/
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UNREALED_API void Construct(const FArguments& InArgs);
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private:
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/** Animates the credits during play */
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EActiveTimerReturnType RollCredits(double InCurrentTime, float InDeltaTime);
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/** Handles the user clicking the play/pause toggle button. */
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FReply HandleTogglePlayPause();
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/** Handles when the user scrolls so that we can stop the auto-scrolling when they scroll backwards. */
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void HandleUserScrolled(float ScrollOffset);
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/** Handles the user clicking links in the credits */
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void OnBrowserLinkClicked(const FSlateHyperlinkRun::FMetadata& Metadata);
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/** Gets the current brush (play or pause) icon for the play/pause button */
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const FSlateBrush* GetTogglePlayPauseBrush() const;
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/** The widget that scrolls the credits text */
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TSharedPtr<SScrollBox> ScrollBox;
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/** The handle to the active roll credits tick */
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TWeakPtr<FActiveTimerHandle> ActiveTimerHandle;
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/** The auto scroll rate in pixels per second */
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float ScrollPixelsPerSecond;
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/** The last recorded scroll position so we can detect the user scrolling up */
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float PreviousScrollPosition;
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/** If we are playing the auto scroll effect */
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bool bIsPlaying;
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};
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