Find centralized, trusted content and collaborate around the technologies you use most. Thats right, its time for this months installment of the never ending SwiftUI text view saga! Find centralized, trusted content and collaborate around the technologies you use most. This is something we have to leave for later, since updating the editor is quite tricky, if we want things like the text position to behave correctly whenever the text changes. Sponsor Hacking with Swift and reach the world's largest Swift community! Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. We will look into a simple example of a List view with multiple text fields inside. SPONSORED When it comes to mobile testing, efficiency and coverage should not be mutually exclusive. This is because were calling scrollRectToVisible with animation enabled many times in quick succession. To bridge these platform differences, we can extend the views with additional properties, to get the same APIs. Swift, SwiftUI, the Swift logo, Swift Playgrounds, Xcode, Instruments, Cocoa Touch, Touch ID, AirDrop, iBeacon, iPhone, iPad, Safari, App Store, watchOS, tvOS, Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries. SwiftUIs TextField will show the keyboard automatically when activated, but before iOS 15 it was tricky to hide the keyboard when youre done particularly if youre using the keyboardType() modifier with something like .numberPad, .decimalPad, or .phonePad. rev2023.3.1.43266. Therefore, lets add a safeRange function to NSAtrributedString, to shield us from invalid ranges: We can now add NSAtrributedString extensions that get a single or all attributes at a certain range: To actually change attributes for a certain range, we can create another extension. How to measure (neutral wire) contact resistance/corrosion. A simple, powerful SwiftUI text editor for iOS and macOS with live syntax highlighting. What does in this context mean? Why does Excel vba copy to clipboard inconsistently? https://www.vadimbulavin.com/how-to-move-swiftui-view-when-keyboard-covers-text-field/, Click here to visit the Hacking with Swift store >>. To actually make the cursor visible, we need a two key things: the scroll view that we're actually going to scroll, and the position of the cursor on screen. we need to find a way to manage that state in an observable way. Now, getting the scroll view is as simple as calling this method with the text view: Next, we need to get the cursors position. It does not appear that TextEditor provides a "non-editable" state. If we create a SwiftUI test app with a rich text binding and add a TextEditor to its content view, youll find that you can provide the editor with any rich text and type in the editor to edit the text. Before we do, lets first add a way to sync the text binding with the text view: We can now setup the (so far limited) delegate handling to update the text binding when we type in the text view or changes its selection: With this code, the coordinator will sync changes back to the text binding. Give the scroll view a vertical scroller. The text views will automatically support different fonts, styles, alignments etc. One of the things I was most surprised with when starting my iOS career was the lack of a baked-in, system-wide keyboard avoidance: every app needs to show a keyboard at some point, and every app has to either re-invent the wheel or pick one of the de-facto standard open source solutions out there.. Fortunately, in iOS 14, SwiftUI ends it all by gaining automatic keyboard avoidance. Still, traits like bold and italic cant be retrieved and set directly with attributes. When building a multi-platform rich text engine that should also support SwiftUI, I was careful to design the foundation as platform-agnostic as possible. Making statements based on opinion; back them up with references or personal experience. Do you have an idea why it's not working for the first time when TextEditros are inside Form, please? SwiftUI TextEditor Styling TextEditor's Font and Text Color Standard view modifiers can be used to style TextEditor's text. The text range version gives us a UITextRange which uses UITextPositions for its start and end locations, in constrast with selectedRange which is just a regular NSRange of integers. Thanks for contributing an answer to Stack Overflow! How does a fan in a turbofan engine suck air in? Unfortunately, there's no (straightforward) way of disabling scrolling, making it unsuitable for some designs where the text view is embedded in a separate scroll view. Thats a fancy way of saying ask whatever has control to stop using the keyboard, which in our case means the keyboard will be dismissed when a text field is active. You create a text field with a label and a binding to a value. SwiftUIs scrollDismissesKeyboard() modifier gives us precise control over how the keyboard should dismiss when the user scrolls around. Please, The open-source game engine youve been waiting for: Godot (Ep. This is because our coordinator listens for changes in the text field and updates the text binding for us. Furthermore, the UITextView and NSTextView APIs differ quite a bit. Text does not appear to scroll. You can customize the editor like any SwiftUI view. With that, it finally works correctly. It allows you to access the underlying UIKit elements used to implement some SwiftUI Views. Rachmaninoff C# minor prelude: towards the end, staff lines are joined together, and there are two end markings, Why does pressing enter increase the file size by 2 bytes in windows. Using TextEditor It is very easy to use TextEditor. differently. Then create a TextEditor instance in the body of your view like this: To instantiate the text editor, you pass the binding of inputText so that the state variable can store the user input. How to prevent TextEditor from scrolling in SwiftUI? I am using a TextEditor in SwiftUI to display the contents of a long text. About Since you asked about SwiftUI, though, I can show you how far you could get using only that. You just need to have a state variable to hold the input text. As they continue to type, the text will wrap onto the next line and the caret will go with it. The example below sets a frame that matches the size of the screen, but you can play around with the sizing if needed. What are examples of software that may be seriously affected by a time jump? Are there conventions to indicate a new item in a list? If youre supporting only iOS 15 and later, you can activate and dismiss the keyboard for a text field by focusing and unfocusing it. Setting the autoresizing mask ensures the text view resizes properly when the window resizes. Swift Package Manager: https://github.com/kyle-n/HighlightedTextEditor Usage HighlightedTextEditor applies styles to text matching regex patterns you provide. Getting the scroll view instance is fairly straightforward. In this chapter, we will show you how to use TextEditor for multiline input. Instead, we have to use fonts. However, having a platform-agnostic foundation made such adjustments manageable. However, we then had a text binding to sync with. Anyway, a possible approach in such situation (or whey you will wrap all those editors in ForEach) is to use focusable state and force everything up explicitly. in Meaning of a quantum field given by an operator-valued distribution. Sponsor Hacking with Swift and reach the world's largest Swift community! Then create a TextEditor instance in the body of your view like this: In order to change the default font style in the view use the font() modifier and to change the color of the font useforegroundColor() modifier. TextEditor came to SwiftUI with the | by DevTechie | DevTechie | Medium 500 Apologies, but something went wrong on our end. Can a VGA monitor be connected to parallel port? Comments powered by ActivityPub. The size of TextEditor can be set using the frame() modifier: We added a border to the TextEditor in the above example in order to illustrate the effect of frame modifier. Unfortunately, there doesn't seem to be a "pure" SwiftUI solution to this. I think I found a solution. Avoiding Keyboard in SwifUI with TextEditor. Making statements based on opinion; back them up with references or personal experience. Updated in iOS 15. But, because theyre already at the bottom of the screen (or immediately above the bottom of the keyboard), the caret, along with the text that theyre currently typing, will no longer be visible. The problem is that since I have scroll anchor set to .bottom, while editing long text, the text at the top is not visible as the scrollView is scrolling to the bottom of the row. Just enter some long text and then try to edit that text at the top. import SwiftUI import UniformTypeIdentifiers struct CopyTextView: View { @State private var text: String = "" @State private var buttonText = "Copy" private let pasteboard = UIPasteboard.general var body: some View { GroupBox { VStack { HStack { Text ("Label:") Spacer () } TextField ("Insert text here", text: $text) .textFieldStyle A number of different keyboard types are available to meet specialized input needs, such as entering email addresses or phone numbers. For non-string types, it updates the value when the user commits their edits, such as by pressing the Return key. Designing for the unknown is often a vain task, but here I just designed it in a way that I thought would made sense for both UIKit and AppKit. swift What is the ideal amount of fat and carbs one should ingest for building muscle? Here is an example setting the alignment to center and spacing between lines to 10 points. However, we currently have no way to make the rich text underlined from SwiftUI. Use text and symbol modifiers to control how SwiftUI displays and manages that text. Code of Conduct. It is a UIKit's UIScrollView equivalent in SwiftUI. What are the consequences of overstaying in the Schengen area by 2 hours? Swift - How to get text formatting in a text editor like in the notes app? Update Policy However, theres something missing. I want this to be read-only but any time I tap on it, the keyboard pops up. To make use of ScrollView's automatic KeyboardAvoidance, whilst making sure Form is satisfied being inside a ScrollView (which it isn't by default), you can set a fixed width for the Form using a frame. Jordan's line about intimate parties in The Great Gatsby? Using Swift Package Manager I pulled in the awesome Splash library to use its HTML highlighting. Learn how Rocket Money saved 250+ hours on mobile testing! Waldo helps teams like Rocket Money provide bug free experiences to their iOS users while saving time. Why is TextFormField Not work and Keyboard not showing on iphone simulator in android studio. One example is how to set up these views. When writing the updateNSView function, supply the scroll view as the argument. Many thanks to Oribi for this! We are using a text editor instead of a text field because we don't want the return button on the keyboard to dismiss the keyboard. When I paste it from the clipboard (for example in iOS 'Notes' app), it just displays some hex sequence. "Simple Swift Guide tutorials.\nSimple Swift Guide tutorials.\nSimple Swift Guide tutorials. However, since we don't know where spaces and line-breaks are, we don't know at what height that cursor is. 542), We've added a "Necessary cookies only" option to the cookie consent popup. An alternative solution might be to just compare the newValue of newItemText to the old one on every change and - starting from the end - compare characters of each index until you find a mismatch. I am having a problem on a simple Form{}. Automatic Keyboard Avoidance is not working. Multiple animations end up running at simultaneously and are competing for which gets to control the content offset. Long story short, I made a few assumptions that didnt hold true when I started developing the macOS version. This approach works when the text field is a child (direct or nested) of SwiftUI ScrollView, List view or Form. Any idea how to fix that (maybe use a different Text "Type")? Glossary Because that code isnt particularly easy to read, you should consider wrapping it in an extension such as this: You can now write hideKeyboard() from inside any SwiftUI view. 542), We've added a "Necessary cookies only" option to the cookie consent popup. About To use these new text views in SwiftUI, we can create a RichTextEditor view that wraps either of the two views depending on which platform were on: To create a rich text editor, we have to provide it with an NSAttributedString binding. The second variant of the fixed size modifier accepts two boolean parameters. on To support text styling, we have to find a way to get and set if the text is bold, italic, underlined etc. rev2023.3.1.43266. Why was the nose gear of Concorde located so far aft? The only approach I found to solve this - and I know how messy that sounds - is to render a version of TextEditor where the contained text is cut off at the cursor position and measure its height using a GeometryReader: The property anchorVertical provides a good estimate of the height where the cursor is located relative to the TextEditors total height. is there a chinese version of ex. SwiftUI, iOS 14, Keyboard Avoidance in Form{ TextEditor() }. Not the answer you're looking for? Getting the scroll view instance is fairly straightforward. Overview To display read-only text, or read-only text paired with an image, use the built-in Text or Label views, respectively. For instance, I assumed that UITextView and NSTextView scrolls in the same way (spoiler alert - they dont). When you create the text view, you have to create both a text view and a scroll view. Let's take a look at the first example. DonMag's solution can't select text. SwiftUI, iOS 14, Keyboard Avoidance in Form { TextEditor () } Forums > SwiftUI SPONSORED Play is the first native iOS design tool created for designers and engineers. In the image above, I have typed in the text field, but the Text view still shows the original text. In order to better illustrate the case, I modified the text variable to store three lines of text using the new line character: In order to run custom code when user modifies the value of text in TextEditor, add the onChange() modifier to the TextEditor: The above example will print new value of text every time it gets modified. RichTextKit is under development, but already provides the functionality featured in this post, as well as functionality to work with rich text, attributes, styles, traits etc. We're now ready to take the SwiftUI text editor for a test ride! Rich text editing on Apples platforms is pretty straightforward. I have the following code & want to replace the "print(..)" statement with a statement that copies the content of the text field to the iOS clipboard. We can now add a button to our test app and have it highlight when the rich text context indicates that the current text is underlined. Focuser allows to focus SwiftUI text fields dynamically and implements ability move go through the form using Keyboard for iOS 13 and iOS 14. ", How to add text overlay on image in SwiftUI, Apples official documentation of TextEditor, SwiftUI Link tutorial how to create and use Link in SwiftUI, SwiftUI Label tutorial how to create and use Label in SwiftUI, How to create a horizontal scroll view in SwiftUI, How to return multiple values from a function in Swift. After that, we can use the UIScrollView.scrollRectToVisible method to actually change the content offset of the scroll view so that the cursor is visible, without having to do a bunch of tedious math ourselves. To learn more, see our tips on writing great answers. It is very easy to use TextEditor. Thank you, this does work indeed. Not the answer you're looking for? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. please comment in the By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. We need to control the animation entirely ourselves. While this mostly works, it has a rather unfortunate UX problem. For these views, lets add a RichTextViewRepresentable protocol: We can now make both text views implement this protocol by adding an attributedString to them: Using protocols to communicate bridging between platforms is a nice way to make our code cleaner in a controlled way and remove the need for #if checks within the library. and will make it easier to create a clean api. NEW: My new book Pro SwiftUI is out now level up your SwiftUI skills today! SwiftUI provides us two versions of fixed size modifier. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? We can do this using a UIViewPropertyAnimator, which allows cancelling an in-progress animation. Glossary How to delete all UUID from fstab but not the UUID of boot filesystem. This is because we never write back any changes in the rich text editor to the text binding. UITextField supports overlay views to display additional information, such as a bookmarks icon. To force SwiftUI to hide your keyboard, you need to use this code: Yes, thats very long, but it asks UIKit to search through whats called the responder chain the collection of controls that are currently responding to user inputand find one that is capable of resigning its first responder status. In its simplest form, this is done using the @FocusState property wrapper and the focusable() modifier the first stores a Boolean that tracks whether the second is currently focused. The problem is that since I have scroll anchor set to .bottom, while editing long text, the text at the top is not visible as the scrollView is scrolling to the bottom of the row. And it doesn't work very well with a large amount of text, while a TextEditor handles this without a problem. Derivation of Autocovariance Function of First-Order Autoregressive Process. Creation If you look into an initializer signature, you will see that it accepts a content parameter that is annotated as a view builder. Using the textViewDidChangeSelection delegate method, we can tell whenever the cursor is moved. How does one copy the contents of a Text field to the iOS clipboard? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Sponsor Hacking with Swift and reach the world's largest Swift community! The text view previously implemented is of course auto-expanding and has scrolling disabled. Since we have the wrapped UITextView from the delegate method, we can just walk up the view hierarchy until we find a UIScrollView. You can install Play for iOS and iPad today and sign up to check out the Beta of our macOS app with SwiftUI code export. We can fix this by making the rich text editor setup a RichTextCoordinator in makeCoordinator: If we run the test app again, youll see that the text is now updated when we type in the rich text editor. What are examples of software that may be seriously affected by a time jump? By moving the Y coordinate of the rect up by the cursors height and tripling the rects height, we change the rect so its centered on the cursor and theres vertical padding on either side equal to the height of the cursor. Just enter some long text and then try to edit that text at the top. I have tried .disabled() but this is not good because it prevents the controller from scrolling and like I said, the controller contains a long text. Am I missing something I need to do in a Form{} to get this behavior? your thoughts, ideas, feedback etc. Given such a short duration, this may not be a problem, but, also given the short duration, the effects of a non-linear curve arent really visible.). What is the best way to deprotonate a methyl group? The text view wont scroll when you reach the bottom of the text view. It's really a pain to adopt the whole keyboard avoidance mechanism for just one element like TextEditor(). Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Much of the code for this article comes from the CodeEditor Swift package, which is a text editor for SwiftUI with syntax highlighting. Refund Policy What is the best way to deprotonate a methyl group? In SwiftUI iOS 14 why doesn't the TextEditor control automatically scroll up to avoid the keyboard as the TextField does? By passing false for the animated: parameter of scrollRectToVisible, we instruct it to update the scroll views contentOffset immediately, which will be captured by the property animator, and then animated smoothly. Although UIKit and AppKit has a bunch of built-in support for rich text, a lot is missing. Instead, lets look at how to change text style and let us toggle bold, italic and underline for the current position or selection in our rich text editor. It easier to create a clean api is because we never write back any changes the! Changes in the notes app modifier gives us precise control over how the keyboard up! Personal experience first example engine suck air in with references or personal experience, List view or.! Overview to display additional information, such as by pressing the Return key that... Animations end up running at simultaneously and are competing for which gets to control the content offset SwiftUI. Texteditor handles this without a problem on a simple, powerful SwiftUI editor... The Hacking with Swift and reach the bottom of the code for this article comes from the method... A multi-platform rich text underlined from SwiftUI does n't work very well with a large amount of fat and one! Has a rather unfortunate UX problem state variable to hold the input text boot filesystem use a different ``... Swiftui displays and manages that text measure ( neutral wire ) contact resistance/corrosion TextEditor! `` type '' ) a large amount of fat and carbs one should ingest for muscle. On a simple Form { TextEditor ( ) } to this the CodeEditor Swift Package, is... Our coordinator listens for changes in the Schengen area by 2 hours for instance, assumed..., List view or Form that text at the top swiftui text editor keyboard scroll easy to use TextEditor get this?... Make the rich text editor for a test ride example in iOS 'Notes ' app,... Is missing a way to make the rich text editor to the cookie consent.. By DevTechie | swiftui text editor keyboard scroll | DevTechie | DevTechie | DevTechie | DevTechie | Medium Apologies. To delete all UUID from fstab but not the UUID of boot filesystem book Pro SwiftUI out. What are examples of software that may be seriously affected by a time jump came to with... Scroll view as the TextField does Treasury of Dragons an attack that may be seriously by. Simultaneously and are competing for which gets to control the content offset Answer you. The by clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie.! But you can customize the editor like in the rich text, while a TextEditor this... Technologies you use most nose gear of Concorde located so far aft walk the... Built-In text or label views, respectively Fizban 's Treasury of Dragons an attack having problem... The delegate method, we then had a text field and updates the value when the window resizes modifiers... But something went wrong on our end reach developers & technologists worldwide views, respectively you the... Let & # x27 ; s take a look at the top view resizes properly the... The delegate method, we 've added a `` Necessary cookies only '' option to the view! Text, a lot is missing for this article comes from the CodeEditor Swift Package Manager I in. The size of the never ending SwiftUI text editor for a test ride editor for SwiftUI with the if. Use a different text `` type '' ) an image, use built-in... Additional properties, to get this behavior read-only text, a lot is missing up. N'T work very well with a label and a binding to sync with scrolling disabled users... ( spoiler alert - they dont ) pops up that UITextView and NSTextView APIs differ quite bit... Consent popup just need to have a state variable to hold the input text this mostly works, it displays! Bridge these platform differences, we 've added a `` Necessary cookies only '' option to the cookie consent.! Something I need to do in a turbofan engine suck air in coworkers reach. Using the textViewDidChangeSelection delegate method, we 've added a `` Necessary cookies ''. World 's largest Swift community at simultaneously and are competing for which gets to the! Affected by a time jump instance, I was careful to design the as. Move go through the Form using keyboard for iOS and macOS with live syntax.! Content and collaborate around the technologies you use most the ideal amount of text, lot... Amount of fat and carbs one should ingest for building muscle make the rich text, a is... Notes app sponsor Hacking with Swift and reach the bottom of the fixed size modifier accepts two parameters! You to access the underlying UIKit elements used to implement some SwiftUI views licensed. Paste it from the CodeEditor Swift Package Manager I pulled in the same way ( spoiler alert - dont... Ios users while saving time contributions licensed under CC BY-SA SwiftUI is out now level Your! Scroll up to avoid the keyboard as the argument time jump bold and italic cant be retrieved and set with. Consequences of overstaying in the same APIs play around with the sizing if needed since! A value quite a bit be connected to parallel port sponsor Hacking with Swift and reach the 's. Schengen area by 2 hours two versions of fixed size modifier to take the SwiftUI text fields inside have... Above, I made a few assumptions that didnt hold true when I paste it from delegate. Keyboard should dismiss when the text will wrap onto the next line and the caret will go with it its... This article comes from the CodeEditor Swift Package Manager I pulled in the same way ( spoiler -. An idea why it 's really a pain to adopt the whole keyboard Avoidance mechanism for just one element TextEditor! Alignments etc seriously affected by a time jump TextField does have typed in the by swiftui text editor keyboard scroll Your. Of Concorde located so far aft like TextEditor ( ) } how far you could get using only that code! Wont scroll when you reach the world 's largest Swift community two boolean parameters scrolls around 2023 Exchange. The Dragonborn 's Breath Weapon from Fizban 's Treasury of Dragons an attack ' app ), we had. View and a binding to sync with the user commits their edits, such as by pressing Return. Multiline input 's Treasury of Dragons an attack 500 Apologies, but the field. Very well with a large amount of text, or read-only text, read-only! World 's largest Swift community swiftuis scrollDismissesKeyboard ( ) modifier gives us swiftui text editor keyboard scroll control over how the keyboard the... Tutorials.\Nsimple Swift Guide tutorials from the delegate method, we then had a text view previously implemented is of auto-expanding! ( direct or nested ) of SwiftUI ScrollView, List view with multiple text dynamically. You agree to our terms of service, privacy policy and cookie policy policy and cookie policy text editing Apples! Sets a frame that matches the size of the fixed size modifier accepts two boolean.! Scroll when you reach the world 's largest Swift community that swiftui text editor keyboard scroll use., though, I was careful to design the foundation as platform-agnostic as possible to! Texteditor ( ) modifier gives us precise control over how the keyboard dismiss! Paste it from the clipboard ( for example in iOS 'Notes ' app ) it... Never ending SwiftUI text editor for iOS and macOS with live syntax highlighting all UUID from but! User commits their edits, such as a bookmarks icon and set directly with attributes of software that be! Showing on iphone simulator in android studio up with references or personal experience TextEditor provides a Necessary... Library to use TextEditor their edits, such as a bookmarks icon TextEditros inside... An operator-valued distribution and line-breaks are, we do n't know at what height that cursor is moved Meaning. Is how to fix that ( maybe use a different text `` type ''?. Also support SwiftUI, iOS 14 you can customize the editor like in by... Like Rocket Money provide bug free experiences to their iOS users while time! Through the Form using keyboard for iOS 13 and iOS 14, keyboard Avoidance Form... Much of the never ending SwiftUI text editor for a test ride precise! Animation enabled many times in quick succession and cookie policy our terms of service, privacy policy swiftui text editor keyboard scroll policy... 'S not working for the first example competing for which gets to control the content.... Make the rich text editor for iOS and macOS with live syntax.... Applies styles to text matching regex patterns you provide, privacy policy and cookie.... Swiftui with the sizing if needed Swift - how to measure ( neutral wire ) contact resistance/corrosion by the! Time jump do in a List view with multiple text fields dynamically and implements move... The content offset handles this without a problem `` simple Swift Guide tutorials.\nSimple Swift tutorials.\nSimple. Mutually exclusive example in iOS 'Notes ' app ), we can just walk the... By pressing the Return key automatically support different fonts, styles, alignments etc input text is.... Properties, to get the same way ( spoiler alert - they dont ) its HTML highlighting adopt whole... A problem on a simple example of a long text and then to! Hierarchy until we find a UIScrollView automatically scroll up to avoid the keyboard pops up still, like... - how to set up these views precise control over how the keyboard should when. Precise control over how the keyboard should dismiss when the user scrolls around the technologies use! Type '' ) handles this without a problem on a simple Form { } to get the way. Texteditor control automatically scroll up to avoid the keyboard should dismiss when the user scrolls around Click here to the... To hold the input text but not the UUID of boot filesystem on iphone simulator in android.. Spoiler alert - they dont ) when TextEditros are inside Form,?!
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swiftui text editor keyboard scroll