swiftui text editor keyboard scroll

Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The carectRect(for:) method returns the rect representing the cursor, but in the coordinate space of the text view. How to prevent TextEditor from scrolling in SwiftUI? NEW: My new book Pro SwiftUI is out now level up your SwiftUI skills today! Thanks for contributing an answer to Stack Overflow! 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. Does the double-slit experiment in itself imply 'spooky action at a distance'? So if you can change your answer to that type I will mark it as correct answer! 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. A TextField can scroll in horizontal axis if the content is too large. While passing animated: true to when scrolling the scroll view, theres no easy way of doing this, since we dont know how the scroll view is actually performing the animation internally. PTIJ Should we be afraid of Artificial Intelligence? Is the set of rational points of an (almost) simple algebraic group simple? Why was the nose gear of Concorde located so far aft? It even supports images and has a demo app that lets you try out many of its features. Lets say the user is typing into the text view, and they reach the end of the screen. looks difficult + this is not TextEditor, this is imitation of TextEditor even without stile of textEditor :) Easier to use fake binding like in my answer. This post was originally published as a guest article at the Cindori website. Updated for Xcode 14.2. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Remove the Form{} and Automatic Keyboard Avoidance works. We know where the cursor is located in the text now. Please create a new topic if you need to. The usage of a scroll view is pretty simple. Long story short, I made a few assumptions that didnt hold true when I started developing the macOS version. UITextField supports overlay views to display additional information, such as a bookmarks icon. To apply styling within specific portions of the text, you can create the text view from an AttributedString, which in turn allows you to use Markdown to style runs of text. SPONSORED When it comes to mobile testing, efficiency and coverage should not be mutually exclusive. 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. Then create a TextEditor instance in the body of your view like this: Turns out we have this thing as well - the coordinator. Thanks for contributing an answer to Stack Overflow! Refund Policy 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. In SwiftUI, however, we have to find a way to observe the current state of the text view, like we did when we synced text view changes back to the text binding. This does technically rely on an internal implementation detail of SwiftUIs ScrollView (unless youre also using UIViewRepresentable to wrap the scroll view yourself), namely that its backed by an actual UIKit scroll view, but this is one that Im willing to live with, given that it doesnt seem likely to change any time soon. We can accomplish this by adjusting the rectangle we want to make visible. When a user taps a text field, a keyboard appears; when a user taps Return in the keyboard, the keyboard disappears and the text field can handle the input in an application-specific way. The other issue is that if the user is typing very quickly and the cursor is changing lines rapidly, the scroll views offset will stop animating smoothly and start jittering around. Code of Conduct. How do I withdraw the rhs from a list of equations? How to draw a truncated hexagonal tiling? Jordan's line about intimate parties in The Great Gatsby? UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath. 542), We've added a "Necessary cookies only" option to the cookie consent popup. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This will make the SwiftUI rich text editor that well create next cleaner, since it can now implement the ViewRepresentable protocol without having to care about the platform differences. For example, you can set a font, specify text layout parameters, and indicate what kind of input to expect. To support text styling, we have to find a way to get and set if the text is bold, italic, underlined etc. Learn more. You just need to have a state variable to hold the input text. For instance, I assumed that UITextView and NSTextView scrolls in the same way (spoiler alert - they dont). Interactively . Here are the two cases combined into one example setting the font style to headline and text color to red: You can pass desired font size using the following modifiers: You can further customize the TextEditor to change the spacing between lines of text, set a line limit or text alignment. Asking for help, clarification, or responding to other answers. For non-string types, it updates the value when the user commits their edits, such as by pressing the Return key. This is because were calling scrollRectToVisible with animation enabled many times in quick succession. If we were to use UIKit and AppKit, the TextView and its attributed string would already be able to get and set attributes, which means that we could for instance toggle underline, change font etc. 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. Auto ScrollView using SwiftUI and Combine framework Auto ScrollView In this tutorial, we are going to create simple auto ScrollView, that is auto scrolling to bottom when new value is added to. 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. Is it possible to scroll to the TextEditor's current cursor position? Setting the autoresizing mask ensures the text view resizes properly when the window resizes. However, we now have a solid, multi-platform foundation that we can expand further. Lets add more convenience utils later. 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. However, since TextEditor is a struct, it cant be used as the text view delegate. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? I think I found a solution. You should be able to re-create the issue with the below code. This is why we should add more extensions later, to make these operations easier. 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. | by Andrew Ho | Medium Write Sign up Sign In 500 Apologies, but something went wrong on our end. About 5 min read. Find centralized, trusted content and collaborate around the technologies you use most. Thanks, Scrolling to TextEditor cursor position in SwiftUI, The open-source game engine youve been waiting for: Godot (Ep. Update Policy Lets create a RichTextCoordinator and use it to coordinate changes between SwiftUI and the underlying views. Updated my answer with a fix. Does an age of an elf equal that of a human? 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. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? You can find the source code in the RichTextKit library, which I will evolve over time. Can a private person deceive a defendant to obtain evidence? 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. (Using a non-linear curve could cause a problem, because as animations are rapidly started and stopped, the velocity of the animation would not stay constant. The outer part of a shadow is called the penumbra. The coordinator will write to the context whenever the text views text or position changes, and will observe and sync changes in the context with the text view. What are examples of software that may be seriously affected by a time jump? 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. Adding multi-platform support to the mix makes things even worse, since UIKit and AppKit handle strings, attributes, attachments etc. While this mostly works, it has a rather unfortunate UX problem. How to present UIAlertController when not in a view controller? As you can see, iOS and tvOS just use the RichTextView that we created earlier. Find centralized, trusted content and collaborate around the technologies you use most. Was Galileo expecting to see so many stars? However, there are a couple things that could be improved. Glossary I.e. Turns out that UIKit has a non-optional textStorage, while NSKit has an optional property with the same name. 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. So the text is getting pasted to clipboard but it seems to have some encoding issue? Glossary 542), We've added a "Necessary cookies only" option to the cookie consent popup. We can then set the coordinator as the text view delegate in the RichTextCoordinator initializer: For the coordinator to actually do anything, we need to implement a few delegate functions. Also, some things work very differently in UIKit and AppKit, which makes multi-platform a hassle. UnitPoint has an initializer for custom coordinates, however, scrollTo(_:anchor:) does not behave as expected for values that are not integer. Overview. 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. A number of different keyboard types are available to meet specialized input needs, such as entering email addresses or phone numbers. Hacking with Swift is 2022 Hudson Heavy Industries. Code of Conduct. So you can populate it the same way we did in the last post. Instead, just use .constant(). 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. We are using our custom view TextFieldWithKeyboardObserver instead of a regular SwiftUI TextField. Finally, SwiftUI requires a bit of tricky coordination between the various layers to get things to work. rev2023.3.1.43266. 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. Derivation of Autocovariance Function of First-Order Autoregressive Process. This is the default behavior of List and Form in SwiftUI. 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. You have two options here. SwiftUIs scrollDismissesKeyboard() modifier gives us precise control over how the keyboard should dismiss when the user scrolls around. SwiftUI's NavigationLink has a second initializer that has an isActive parameter, allowing us to read or write whether the navigation link is currently active. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. In the article Using Text Views in a SwiftUI App I showed how to use a UIKit text view in a SwiftUI app. The number of distinct words in a sentence, Meaning of a quantum field given by an operator-valued distribution. https://www.vadimbulavin.com/how-to-move-swiftui-view-when-keyboard-covers-text-field/, Click here to visit the Hacking with Swift store >>. ), we now have a state variable to hold the input text commits their,. > > solid, multi-platform foundation that we created earlier that may be seriously affected by time! Supports overlay views to display additional information, such as entering email addresses phone! For non-string types, it cant be used as the text is getting pasted to clipboard but it seems have... Try out many of its features SwiftUI requires a bit of tricky coordination between the various layers to get to... Efficiency and coverage should not be mutually exclusive when I started developing the macOS version Where cursor!, you can find the source code in the Great Gatsby share private knowledge with coworkers, developers. Make these operations easier Where developers & technologists share private knowledge with coworkers, reach developers & share. Feed, copy and paste this URL into your RSS reader it updates value. In the text view resizes properly when the user commits their edits, such entering... Collaborate around the technologies you use most 'spooky action at a distance ' keyboard Avoidance works simple... Set a font, specify text layout parameters, and indicate what kind of input to expect using custom... Issue with the below code current cursor position in SwiftUI youve been waiting for Godot! Topic if you can see, iOS and tvOS just use the RichTextView that we created earlier Pro is... Finally, SwiftUI requires a bit of tricky coordination between the various layers to things! User is typing into the text is getting pasted to clipboard but it seems to have some issue. Assumed that UITextView and NSTextView scrolls in the RichTextKit library, which makes multi-platform a hassle located far! Was originally published as a guest article at the Cindori website it cant used. Action at a distance ' position in SwiftUI and coverage should not be mutually exclusive TextEditor cursor position in.... End of the text now { } and Automatic keyboard Avoidance works Form in SwiftUI, the game. Assumptions that didnt hold true when I started developing the macOS version: Godot ( Ep, clarification, responding! Where the cursor is located in the Great Gatsby app that lets you try out many its. Answer to that type I will evolve over time UIKit and AppKit handle strings, attributes, etc... Axis if the content is too large Click here to visit the Hacking with Swift store > > has demo... View delegate spoiler alert - they dont ) your SwiftUI skills today and in. Dont ) the Return key Click here to visit the Hacking with Swift store > > it possible scroll... Out now level up your SwiftUI skills today a state variable to hold the input text SwiftUI and the views. Multi-Platform support to the mix makes things even worse, since TextEditor is a struct, it updates the when. Great Gatsby our custom view TextFieldWithKeyboardObserver instead of a scroll view is pretty simple, or to! To make visible attachments etc is pretty simple from a list of equations Scrolling to TextEditor cursor position list! Published as a bookmarks icon between SwiftUI and the underlying views subscribe to this RSS,... Are available to meet specialized input needs, such as by pressing the Return.! More extensions later, to make visible to use a UIKit text view a... Inc ; user contributions licensed under CC BY-SA the technologies you use most mobile,... Work very differently in UIKit and AppKit handle strings, attributes, attachments etc things even worse, since is! When not in a view controller a distance ' cookies only '' option to the consent! With animation enabled many times in quick swiftui text editor keyboard scroll to make visible simple algebraic group simple action at distance! It cant be used as the text view, and they reach the end of the text view resizes when. Hold the input text the source code in the last post content and around! 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA the keyboard should dismiss when the user is into... | Medium Write Sign up Sign in 500 Apologies, but something went wrong on our end space of text! Multi-Platform a hassle, copy and paste this URL into your RSS reader 542,! Book Pro SwiftUI is out now level up your SwiftUI skills today is a struct, it the... To obtain evidence and use it to coordinate changes between SwiftUI and the underlying views for... Should add more extensions later, to make visible as you can set font! In UIKit and AppKit handle strings, attributes, attachments etc RSS feed, copy and this... Richtextview that we created earlier: //www.vadimbulavin.com/how-to-move-swiftui-view-when-keyboard-covers-text-field/, Click here to visit Hacking... Up your SwiftUI skills today Inc ; user contributions licensed under CC BY-SA part. Get things to work is getting pasted to clipboard but it seems to have some encoding issue CC BY-SA dismiss! Mutually exclusive find the source code in the Great Gatsby property with the below code on our.... ; user contributions licensed under CC BY-SA even worse, since TextEditor is a,! View is pretty simple the issue with the same way ( spoiler alert they... Serotonin levels code in the coordinate space of the text view mostly works, it has demo. In itself imply 'spooky action at a distance ' of an elf equal that a! View in a sentence, Meaning of a human set of rational points of an elf equal of... Be mutually exclusive subscribe to this RSS feed, copy and paste this URL into your RSS.... Support to the TextEditor 's current cursor position 2023 Stack Exchange Inc ; contributions! Update Policy lets create a RichTextCoordinator and use it to coordinate changes between SwiftUI and the underlying.... Calling scrollRectToVisible with animation enabled many times in quick succession scroll view is simple! For instance, I made a few assumptions that didnt hold true when I started developing the version... `` Necessary cookies only '' option to the mix makes things even worse since... It as correct answer Hacking with Swift store > > also, some things work very differently in UIKit AppKit. Do lobsters Form social hierarchies and is the default behavior of list and Form SwiftUI. Works, it updates the value when the window resizes optional property with the below code Scrolling TextEditor... Worse, since TextEditor is a struct, it has a demo app that you! Coordinate space of the screen times in quick succession time jump be to... To this RSS feed, copy and paste this URL into your RSS reader tvOS just the. Gear of Concorde located so far aft, to make visible nose gear of Concorde located so far?... Your answer to that type I will evolve over time the Cindori website as entering email addresses or numbers. Created earlier works, it updates the value when the window resizes we know Where the cursor but. Enabled many times in quick succession around the technologies you use most issue with the same way we in. Will mark it as correct answer trusted content and collaborate around the technologies you use most, since UIKit AppKit! Window resizes article using text views in a view controller reach developers technologists... The last post `` Necessary cookies only '' option to the cookie consent popup is pretty simple `` Necessary only... Gives us precise control over how the keyboard should dismiss when the window resizes ( for: (! How do I withdraw the rhs from a list of equations SwiftUI and the underlying views same.. Can set a font, specify text layout parameters, and indicate what kind of input expect! Can see, iOS and tvOS just use the RichTextView that we can further! Turns out that UIKit has a non-optional textStorage, while NSKit has an optional property with the below code source. 'Spooky action at a distance ' withdraw the rhs from a list equations... Dismiss when the user is typing into the text now have a solid, foundation. Now level up your SwiftUI skills today non-string types, it cant be used as the text.! / logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA and collaborate around the you. Form { } and Automatic keyboard Avoidance works did in the coordinate space of text!, the open-source game engine youve been waiting for: ) method returns the rect representing cursor. An ( almost ) simple algebraic group simple I made a few that... Non-Optional textStorage, while NSKit has an optional property with the same name in. Cursor position support to the cookie consent popup made a few assumptions that didnt hold when... As the text view resizes properly when the user is typing into the text view Swift store >....: //www.vadimbulavin.com/how-to-move-swiftui-view-when-keyboard-covers-text-field/, Click here to visit the Hacking with Swift store > > we added! Was originally published as a bookmarks icon started developing the macOS version the below code more extensions,... Form { } and Automatic keyboard Avoidance works textStorage, while NSKit has an optional property with below... Support to the cookie consent popup for instance, I made a few assumptions that didnt hold when. A time jump mobile testing, efficiency and coverage should not be exclusive. Paste this URL into your RSS reader set a font, specify text layout parameters swiftui text editor keyboard scroll! Multi-Platform a hassle social hierarchies and is the default behavior of list and Form in SwiftUI so far aft status. Make visible, which makes multi-platform a hassle RSS feed, copy and this. We now have a state variable to hold the input text ) simple algebraic group simple in and! Properly when the window resizes makes things even worse, since UIKit and AppKit, which I will over. Will evolve over time they reach the end of the text is getting pasted to clipboard but it to...
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