88 lines
2.8 KiB
Objective-C
88 lines
2.8 KiB
Objective-C
//
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// YYTextInput.h
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// YYText <https://github.com/ibireme/YYText>
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//
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// Created by ibireme on 15/4/17.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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/**
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Text position affinity. For example, the offset appears after the last
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character on a line is backward affinity, before the first character on
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the following line is forward affinity.
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*/
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typedef NS_ENUM(NSInteger, YYTextAffinity) {
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YYTextAffinityForward = 0, ///< offset appears before the character
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YYTextAffinityBackward = 1, ///< offset appears after the character
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};
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/**
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A YYTextPosition object represents a position in a text container; in other words,
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it is an index into the backing string in a text-displaying view.
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YYTextPosition has the same API as Apple's implementation in UITextView/UITextField,
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so you can alse use it to interact with UITextView/UITextField.
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*/
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@interface YYTextPosition : UITextPosition <NSCopying>
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@property (nonatomic, readonly) NSInteger offset;
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@property (nonatomic, readonly) YYTextAffinity affinity;
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+ (instancetype)positionWithOffset:(NSInteger)offset;
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+ (instancetype)positionWithOffset:(NSInteger)offset affinity:(YYTextAffinity) affinity;
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- (NSComparisonResult)compare:(id)otherPosition;
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@end
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/**
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A YYTextRange object represents a range of characters in a text container; in other words,
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it identifies a starting index and an ending index in string backing a text-displaying view.
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YYTextRange has the same API as Apple's implementation in UITextView/UITextField,
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so you can alse use it to interact with UITextView/UITextField.
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*/
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@interface YYTextRange : UITextRange <NSCopying>
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@property (nonatomic, readonly) YYTextPosition *start;
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@property (nonatomic, readonly) YYTextPosition *end;
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@property (nonatomic, readonly, getter=isEmpty) BOOL empty;
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+ (instancetype)rangeWithRange:(NSRange)range;
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+ (instancetype)rangeWithRange:(NSRange)range affinity:(YYTextAffinity) affinity;
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+ (instancetype)rangeWithStart:(YYTextPosition *)start end:(YYTextPosition *)end;
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+ (instancetype)defaultRange; ///< <{0,0} Forward>
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- (NSRange)asRange;
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@end
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/**
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A YYTextSelectionRect object encapsulates information about a selected range of
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text in a text-displaying view.
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YYTextSelectionRect has the same API as Apple's implementation in UITextView/UITextField,
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so you can alse use it to interact with UITextView/UITextField.
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*/
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@interface YYTextSelectionRect : UITextSelectionRect <NSCopying>
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@property (nonatomic, readwrite) CGRect rect;
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@property (nonatomic, readwrite) UITextWritingDirection writingDirection;
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@property (nonatomic, readwrite) BOOL containsStart;
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@property (nonatomic, readwrite) BOOL containsEnd;
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@property (nonatomic, readwrite) BOOL isVertical;
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@end
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NS_ASSUME_NONNULL_END
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