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47 lines
1.2 KiB
C++
47 lines
1.2 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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struct FSlateFontInfo;
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/**
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* Design constraints
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*/
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namespace EditableTextDefs
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{
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/** Maximum number of undo levels to store */
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static const int32 MaxUndoLevels = 99;
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/** Width of the caret, as a scalar percentage of the font's maximum character height */
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static const float CaretWidthPercent = 0.08f;
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/** How long after the user last interacted with the keyboard should we keep the caret at full opacity? */
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static const float CaretBlinkPauseTime = 0.1f;
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/** How many times should the caret blink per second (full on/off cycles) */
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static const float BlinksPerSecond = 1.0f;
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}
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/**
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* Static helper functions
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*/
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class FTextEditHelper
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{
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public:
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/**
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* Gets the height of the largest character in the font
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*
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* @return The fonts height
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*/
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static float GetFontHeight(const FSlateFontInfo& FontInfo);
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/**
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* Calculate the width of the caret
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* @param FontMaxCharHeight The height of the font to calculate the caret width for
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* @return The width of the caret (might be clamped for very small fonts)
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*/
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static float CalculateCaretWidth(const float FontMaxCharHeight);
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};
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