initial commit taken from gitlab.lrz.de

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputView.h

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTBaseTextInputView.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RCTSinglelineTextInputView : RCTBaseTextInputView
+
+@end
+
+NS_ASSUME_NONNULL_END

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputView.m

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTSinglelineTextInputView.h"
+
+#import <React/RCTBridge.h>
+
+#import "RCTUITextField.h"
+
+@implementation RCTSinglelineTextInputView
+{
+  RCTUITextField *_backedTextInputView;
+}
+
+- (instancetype)initWithBridge:(RCTBridge *)bridge
+{
+  if (self = [super initWithBridge:bridge]) {
+    // `blurOnSubmit` defaults to `true` for <TextInput multiline={false}> by design.
+    self.blurOnSubmit = YES;
+
+    _backedTextInputView = [[RCTUITextField alloc] initWithFrame:self.bounds];
+    _backedTextInputView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    _backedTextInputView.textInputDelegate = self;
+
+    [self addSubview:_backedTextInputView];
+  }
+
+  return self;
+}
+
+RCT_NOT_IMPLEMENTED(- (instancetype)initWithFrame:(CGRect)frame)
+RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)coder)
+
+- (id<RCTBackedTextInputViewProtocol>)backedTextInputView
+{
+  return _backedTextInputView;
+}
+
+@end

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputViewManager.h

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTBaseTextInputViewManager.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface RCTSinglelineTextInputViewManager : RCTBaseTextInputViewManager
+
+@end
+
+NS_ASSUME_NONNULL_END

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTSinglelineTextInputViewManager.m

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTSinglelineTextInputViewManager.h"
+
+#import "RCTBaseTextInputShadowView.h"
+#import "RCTSinglelineTextInputView.h"
+
+@implementation RCTSinglelineTextInputViewManager
+
+RCT_EXPORT_MODULE()
+
+- (RCTShadowView *)shadowView
+{
+  RCTBaseTextInputShadowView *shadowView =
+    (RCTBaseTextInputShadowView *)[super shadowView];
+
+  shadowView.maximumNumberOfLines = 1;
+
+  return shadowView;
+}
+
+- (UIView *)view
+{
+  return [[RCTSinglelineTextInputView alloc] initWithBridge:self.bridge];
+}
+
+@end

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTUITextField.h

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <UIKit/UIKit.h>
+
+#import "RCTBackedTextInputViewProtocol.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/*
+ * Just regular UITextField... but much better!
+ */
+@interface RCTUITextField : UITextField <RCTBackedTextInputViewProtocol>
+
+- (instancetype)initWithCoder:(NSCoder *)decoder NS_UNAVAILABLE;
+
+@property (nonatomic, weak) id<RCTBackedTextInputDelegate> textInputDelegate;
+
+@property (nonatomic, assign) BOOL caretHidden;
+@property (nonatomic, assign) BOOL contextMenuHidden;
+@property (nonatomic, assign, readonly) BOOL textWasPasted;
+@property (nonatomic, strong, nullable) UIColor *placeholderColor;
+@property (nonatomic, assign) UIEdgeInsets textContainerInset;
+@property (nonatomic, assign, getter=isEditable) BOOL editable;
+
+@end
+
+NS_ASSUME_NONNULL_END

node_modules/react-native/Libraries/Text/TextInput/Singleline/RCTUITextField.m

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+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RCTUITextField.h"
+
+#import <React/RCTUtils.h>
+#import <React/UIView+React.h>
+
+#import "RCTBackedTextInputDelegateAdapter.h"
+
+@implementation RCTUITextField {
+  RCTBackedTextFieldDelegateAdapter *_textInputDelegateAdapter;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame
+{
+  if (self = [super initWithFrame:frame]) {
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(_textDidChange)
+                                                 name:UITextFieldTextDidChangeNotification
+                                               object:self];
+
+    _textInputDelegateAdapter = [[RCTBackedTextFieldDelegateAdapter alloc] initWithTextField:self];
+  }
+
+  return self;
+}
+
+- (void)dealloc
+{
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)_textDidChange
+{
+  _textWasPasted = NO;
+}
+
+#pragma mark - Properties
+
+- (void)setTextContainerInset:(UIEdgeInsets)textContainerInset
+{
+  _textContainerInset = textContainerInset;
+  [self setNeedsLayout];
+}
+
+- (void)setPlaceholder:(NSString *)placeholder
+{
+  [super setPlaceholder:placeholder];
+  [self _updatePlaceholder];
+}
+
+- (void)setPlaceholderColor:(UIColor *)placeholderColor
+{
+  _placeholderColor = placeholderColor;
+  [self _updatePlaceholder];
+}
+
+- (void)_updatePlaceholder
+{
+  if (self.placeholder == nil) {
+    return;
+  }
+
+  NSMutableDictionary *attributes = [NSMutableDictionary new];
+  if (_placeholderColor) {
+    [attributes setObject:_placeholderColor forKey:NSForegroundColorAttributeName];
+  }
+
+  self.attributedPlaceholder = [[NSAttributedString alloc] initWithString:self.placeholder
+                                                               attributes:attributes];
+}
+
+- (BOOL)isEditable
+{
+  return self.isEnabled;
+}
+
+- (void)setEditable:(BOOL)editable
+{
+  self.enabled = editable;
+}
+
+#pragma mark - Context Menu
+
+- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
+{
+  if (_contextMenuHidden) {
+    return NO;
+  }
+
+  return [super canPerformAction:action withSender:sender];
+}
+
+#pragma mark - Caret Manipulation
+
+- (CGRect)caretRectForPosition:(UITextPosition *)position
+{
+  if (_caretHidden) {
+    return CGRectZero;
+  }
+
+  return [super caretRectForPosition:position];
+}
+
+#pragma mark - Positioning Overrides
+
+- (CGRect)textRectForBounds:(CGRect)bounds
+{
+  return UIEdgeInsetsInsetRect([super textRectForBounds:bounds], _textContainerInset);
+}
+
+- (CGRect)editingRectForBounds:(CGRect)bounds
+{
+  return [self textRectForBounds:bounds];
+}
+
+#pragma mark - Overrides
+
+- (void)setSelectedTextRange:(UITextRange *)selectedTextRange
+{
+  [super setSelectedTextRange:selectedTextRange];
+  [_textInputDelegateAdapter selectedTextRangeWasSet];
+}
+
+- (void)setSelectedTextRange:(UITextRange *)selectedTextRange notifyDelegate:(BOOL)notifyDelegate
+{
+  if (!notifyDelegate) {
+    // We have to notify an adapter that following selection change was initiated programmatically,
+    // so the adapter must not generate a notification for it.
+    [_textInputDelegateAdapter skipNextTextInputDidChangeSelectionEventWithTextRange:selectedTextRange];
+  }
+
+  [super setSelectedTextRange:selectedTextRange];
+}
+
+- (void)paste:(id)sender
+{
+  [super paste:sender];
+  _textWasPasted = YES;
+}
+
+#pragma mark - Layout
+
+- (CGSize)contentSize
+{
+  // Returning size DOES contain `textContainerInset` (aka `padding`).
+  return self.intrinsicContentSize;
+}
+
+- (CGSize)intrinsicContentSize
+{
+  // Note: `placeholder` defines intrinsic size for `<TextInput>`.
+  NSString *text = self.placeholder ?: @"";
+  CGSize size = [text sizeWithAttributes:@{NSFontAttributeName: self.font}];
+  size = CGSizeMake(RCTCeilPixelValue(size.width), RCTCeilPixelValue(size.height));
+  size.width += _textContainerInset.left + _textContainerInset.right;
+  size.height += _textContainerInset.top + _textContainerInset.bottom;
+  // Returning size DOES contain `textContainerInset` (aka `padding`).
+  return size;
+}
+
+- (CGSize)sizeThatFits:(CGSize)size
+{
+  // All size values here contain `textContainerInset` (aka `padding`).
+  CGSize intrinsicSize = self.intrinsicContentSize;
+  return CGSizeMake(MIN(size.width, intrinsicSize.width), MIN(size.height, intrinsicSize.height));
+}
+
+@end