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Tusker
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Code Issues 63 Pull Requests Releases Wiki Activity

Add complete emoji list to Compose emoji autocomplete

This commit is contained in:
Shadowfacts 2020-10-18 11:11:47 -04:00
parent 3ff9fdabdb
commit 9b949af390
Signed by: shadowfacts
GPG Key ID: 94A5AB95422746E5
10 changed files with 329 additions and 28 deletions
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12
Tusker.xcodeproj/project.pbxproj
View File

@ -160,6 +160,7 @@
D667E5F52135BCD50057A976 /* ConversationTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667E5F42135BCD50057A976 /* ConversationTableViewController.swift */; };
D667E5F82135C3040057A976 /* Mastodon+Equatable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D667E5F72135C3040057A976 /* Mastodon+Equatable.swift */; };
D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66A77BA233838DC0058F1EC /* UIFont+Traits.swift */; };
D670F8B62537DC890046588A /* EmojiPickerWrapper.swift in Sources */ = {isa = PBXBuildFile; fileRef = D670F8B52537DC890046588A /* EmojiPickerWrapper.swift */; };
D6757A7C2157E01900721E32 /* XCBManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6757A7B2157E01900721E32 /* XCBManager.swift */; };
D6757A7E2157E02600721E32 /* XCBRequestSpec.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6757A7D2157E02600721E32 /* XCBRequestSpec.swift */; };
D6757A822157E8FA00721E32 /* XCBSession.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6757A812157E8FA00721E32 /* XCBSession.swift */; };
@ -239,6 +240,8 @@
D6BC9DDA232D8BE5002CA326 /* SearchResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */; };
D6BED174212667E900F02DA0 /* TimelineStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */; };
D6C143DA253510F4007DC240 /* ComposeContentWarningTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */; };
D6C143E025354E34007DC240 /* EmojiPickerCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */; };
D6C143FD25354FD0007DC240 /* EmojiCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */; };
D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */; };
D6C693FE2162FEEA007D6A6D /* UIViewController+Children.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */; };
@ -495,6 +498,7 @@
D667E5F42135BCD50057A976 /* ConversationTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ConversationTableViewController.swift; sourceTree = "<group>"; };
D667E5F72135C3040057A976 /* Mastodon+Equatable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "Mastodon+Equatable.swift"; sourceTree = "<group>"; };
D66A77BA233838DC0058F1EC /* UIFont+Traits.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIFont+Traits.swift"; sourceTree = "<group>"; };
D670F8B52537DC890046588A /* EmojiPickerWrapper.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPickerWrapper.swift; sourceTree = "<group>"; };
D6757A7B2157E01900721E32 /* XCBManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XCBManager.swift; sourceTree = "<group>"; };
D6757A7D2157E02600721E32 /* XCBRequestSpec.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XCBRequestSpec.swift; sourceTree = "<group>"; };
D6757A812157E8FA00721E32 /* XCBSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XCBSession.swift; sourceTree = "<group>"; };
@ -569,6 +573,8 @@
D6BC9DD9232D8BE5002CA326 /* SearchResultsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SearchResultsViewController.swift; sourceTree = "<group>"; };
D6BED173212667E900F02DA0 /* TimelineStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineStatusTableViewCell.swift; sourceTree = "<group>"; };
D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeContentWarningTextField.swift; sourceTree = "<group>"; };
D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiPickerCollectionViewController.swift; sourceTree = "<group>"; };
D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EmojiCollectionViewCell.swift; sourceTree = "<group>"; };
D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadingViewController.swift; sourceTree = "<group>"; };
D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIViewController+Children.swift"; sourceTree = "<group>"; };
@ -1007,6 +1013,9 @@
D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */,
D6E4267625327FB400C02E1C /* ComposeAutocompleteView.swift */,
D6C143D9253510F4007DC240 /* ComposeContentWarningTextField.swift */,
D6C143DF25354E34007DC240 /* EmojiPickerCollectionViewController.swift */,
D6C143FB25354FD0007DC240 /* EmojiCollectionViewCell.swift */,
D670F8B52537DC890046588A /* EmojiPickerWrapper.swift */,
);
path = Compose;
sourceTree = "<group>";
@ -1815,6 +1824,7 @@
D68E525B24A3D77E0054355A /* TuskerRootViewController.swift in Sources */,
D62D2422217AA7E1005076CC /* UserActivityManager.swift in Sources */,
D6CA6A92249FAD8900AD45C1 /* AudioSessionHelper.swift in Sources */,
D6C143FD25354FD0007DC240 /* EmojiCollectionViewCell.swift in Sources */,
D60D2B8223844C71001B87A3 /* BaseStatusTableViewCell.swift in Sources */,
D60E2F272442372B005F8713 /* StatusMO.swift in Sources */,
D60E2F2C24423EAD005F8713 /* LazilyDecoding.swift in Sources */,
@ -1829,6 +1839,7 @@
D667E5F82135C3040057A976 /* Mastodon+Equatable.swift in Sources */,
D681E4D5246E2BC30053414F /* UnmuteConversationActivity.swift in Sources */,
D6B4A4FF2506B81A000C81C1 /* AccountDisplayNameLabel.swift in Sources */,
D6C143E025354E34007DC240 /* EmojiPickerCollectionViewController.swift in Sources */,
D6B053A623BD2D0C00A066FA /* AssetCollectionViewController.swift in Sources */,
D67B506D250B291200FAECFB /* BlurHashDecode.swift in Sources */,
D62275A024F1677200B82A16 /* ComposeHostingController.swift in Sources */,
@ -1906,6 +1917,7 @@
D627FF76217E923E00CC0648 /* DraftsManager.swift in Sources */,
D64F80E2215875CC00BEF393 /* XCBActionType.swift in Sources */,
04586B4322B301470021BD04 /* AppearancePrefsView.swift in Sources */,
D670F8B62537DC890046588A /* EmojiPickerWrapper.swift in Sources */,
D67C57AF21E28EAD00C3118B /* Array+Uniques.swift in Sources */,
D6945C3223AC4D36005C403C /* HashtagTimelineViewController.swift in Sources */,
D647D92824257BEB0005044F /* AttachmentPreviewViewController.swift in Sources */,

10
Tusker/Caching/ImageCache.swift
View File

@ -26,6 +26,8 @@ class ImageCache {
private var groups = MultiThreadDictionary<URL, RequestGroup>(name: "ImageCache request groups")
private var backgroundQueue = DispatchQueue(label: "ImageCache completion queue", qos: .default)
init(name: String, memoryExpiry expiry: Expiry) {
let storage = MemoryStorage<Data>(config: MemoryConfig(expiry: expiry))
self.cache = .memory(storage)
@ -45,8 +47,14 @@ class ImageCache {
func get(_ url: URL, completion: ((Data?) -> Void)?) -> Request? {
let key = url.absoluteString
if !ImageCache.disableCaching,
// todo: calling object(forKey: key) does disk I/O and this method is often called from the main thread
// in performance sensitive paths. a nice optimization to DiskStorage would be adding an internal cache
// of the state (unknown/exists/does not exist) of whether or not objects exist on disk so that the slow, disk I/O
// path can be avoided most of the time
let data = try? cache.object(forKey: key) {
completion?(data)
backgroundQueue.async {
completion?(data)
}
return nil
} else {
if let completion = completion, let group = groups[url] {

51
Tusker/Screens/Compose/ComposeAutocompleteView.swift
View File

@ -218,9 +218,40 @@ struct ComposeAutocompleteEmojisView: View {
@EnvironmentObject private var mastodonController: MastodonController
@EnvironmentObject private var uiState: ComposeUIState
@State var expanded = false
@State private var emojis: [Emoji] = []
var body: some View {
// When exapnded, the toggle button should be at the top. When collapsed, it should be centered.
HStack(alignment: expanded ? .top : .center, spacing: 0) {
if case let .emoji(query) = uiState.autocompleteState {
emojiList(query: query)
.animation(.default)
.transition(.move(edge: .bottom))
} else {
// when the autocomplete view is animating out, the autocomplete state is nil
// add a spacer so the expand button remains on the right
Spacer()
}
toggleExpandedButton
.padding(.trailing, 8)
.padding(.top, expanded ? 8 : 0)
}
}
@ViewBuilder
private func emojiList(query: String) -> some View {
if expanded {
EmojiPickerWrapper(searchQuery: query)
.frame(height: 150)
} else {
horizontalScrollView
.onReceive(uiState.$autocompleteState, perform: queryChanged)
}
}
private var horizontalScrollView: some View {
ScrollView(.horizontal) {
HStack(spacing: 8) {
ForEach(emojis, id: \.shortcode) { (emoji) in
@ -236,15 +267,25 @@ struct ComposeAutocompleteEmojisView: View {
}
.frame(height: 30)
.padding(.vertical, 8)
.animation(.linear(duration: 0.1))
.animation(.linear(duration: 0.2))
}
Spacer()
Spacer(minLength: 30)
}
.padding(.horizontal, 8)
.iOS13OnlyPadding()
.frame(height: 46)
}
.onReceive(uiState.$autocompleteState.debounce(for: .milliseconds(250), scheduler: DispatchQueue.main), perform: queryChanged)
}
private var toggleExpandedButton: some View {
Button {
expanded.toggle()
} label: {
Image(systemName: expanded ? "chevron.down" : "chevron.up")
.resizable()
.aspectRatio(contentMode: .fit)
}
.frame(width: 20, height: 20)
}
private func queryChanged(_ autocompleteState: ComposeUIState.AutocompleteState?) {
@ -255,8 +296,6 @@ struct ComposeAutocompleteEmojisView: View {
}
mastodonController.getCustomEmojis { (emojis) in
guard case .emoji(query) = self.uiState.autocompleteState else { return }
self.emojis =
emojis.map { (emoji) -> (Emoji, (matched: Bool, score: Int)) in
(emoji, FuzzyMatcher.match(pattern: query, str: emoji.shortcode))

12
Tusker/Screens/Compose/ComposeContentWarningTextField.swift
View File

@ -54,7 +54,6 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
}
func textFieldDidEndEditing(_ textField: UITextField) {
uiState.autocompleteHandler = nil
updateAutocompleteState(textField: textField)
}
@ -76,8 +75,8 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: selectedRangeStartUTF16)
let insertSpace: Bool
if text.distance(from: characterBeforeCursorIndex, to: text.endIndex) > 0 {
let charAfterCursor = text[text.index(after: characterBeforeCursorIndex)]
if distanceToEnd > 0 {
let charAfterCursor = text[characterBeforeCursorIndex]
insertSpace = charAfterCursor != " " && charAfterCursor != "\n"
} else {
insertSpace = true
@ -85,10 +84,13 @@ struct ComposeContentWarningTextField: UIViewRepresentable {
let string = insertSpace ? string + " " : string
textField.text!.replaceSubrange(lastWordStartIndex..<characterBeforeCursorIndex, with: string)
didChange(textField)
self.didChange(textField)
self.updateAutocompleteState(textField: textField)
// keep the cursor at the same position in the text, immediately after what was inserted
let newCursorPosition = textField.position(from: textField.endOfDocument, offset: -distanceToEnd)!
// if we inserted a space, move the cursor 1 farther so it's immediately after the pre-existing space
let insertSpaceOffset = insertSpace ? 0 : 1
let newCursorPosition = textField.position(from: textField.endOfDocument, offset: -distanceToEnd + insertSpaceOffset)!
textField.selectedTextRange = textField.textRange(from: newCursorPosition, to: newCursorPosition)
}

4
Tusker/Screens/Compose/ComposeUIState.swift
View File

@ -53,3 +53,7 @@ extension ComposeUIState {
case hashtag(String)
}
}
protocol ComposeAutocompleteHandler: class {
func autocomplete(with string: String)
}

14
Tusker/Screens/Compose/ComposeView.swift
View File

@ -66,9 +66,7 @@ struct ComposeView: View {
// can't use SwiftUI.ProgressView because there's no UIProgressView.Style.bar equivalent, see FB8587149
WrappedProgressView(value: postProgress, total: postTotalProgress)
if let state = uiState.autocompleteState {
autocompleteSuggestions(state: state)
}
autocompleteSuggestions
}
.onAppear(perform: self.didAppear)
.navigationBarTitle("Compose")
@ -83,19 +81,23 @@ struct ComposeView: View {
}
@ViewBuilder
func autocompleteSuggestions(state: ComposeUIState.AutocompleteState) -> some View {
var autocompleteSuggestions: some View {
// on iOS 13, the transition causes SwiftUI to hang on the main thread when the view appears, so it's disabled
if #available(iOS 14.0, *) {
VStack(spacing: 0) {
Spacer()
ComposeAutocompleteView(autocompleteState: state)
if let state = uiState.autocompleteState {
ComposeAutocompleteView(autocompleteState: state)
}
}
.transition(.move(edge: .bottom))
.animation(.default)
} else {
VStack(spacing: 0) {
Spacer()
ComposeAutocompleteView(autocompleteState: state)
if let state = uiState.autocompleteState {
ComposeAutocompleteView(autocompleteState: state)
}
}
}
}

64
Tusker/Screens/Compose/EmojiCollectionViewCell.swift Normal file
View File

@ -0,0 +1,64 @@
//
// EmojiCollectionViewCell.swift
// Tusker
//
// Created by Shadowfacts on 10/12/20.
// Copyright © 2020 Shadowfacts. All rights reserved.
//
import UIKit
import Pachyderm
class EmojiCollectionViewCell: UICollectionViewCell {
private var emojiImageView: UIImageView!
private var emojiNameLabel: UILabel!
private var currentEmojiShortcode: String?
private var imageRequest: ImageCache.Request?
override init(frame: CGRect) {
super.init(frame: frame)
commonInit()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
commonInit()
}
private func commonInit() {
emojiImageView = UIImageView()
emojiImageView.translatesAutoresizingMaskIntoConstraints = false
emojiImageView.contentMode = .scaleAspectFit
addSubview(emojiImageView)
NSLayoutConstraint.activate([
emojiImageView.leadingAnchor.constraint(equalTo: leadingAnchor),
emojiImageView.trailingAnchor.constraint(equalTo: trailingAnchor),
emojiImageView.topAnchor.constraint(equalTo: topAnchor),
emojiImageView.bottomAnchor.constraint(equalTo: bottomAnchor),
])
}
func updateUI(emoji: Emoji) {
currentEmojiShortcode = emoji.shortcode
imageRequest = ImageCache.emojis.get(emoji.url) { [weak self] (data) in
if let data = data, let image = UIImage(data: data) {
DispatchQueue.main.async { [weak self] in
guard let self = self, self.currentEmojiShortcode == emoji.shortcode else { return }
self.emojiImageView.image = image
}
}
}
}
override func prepareForReuse() {
super.prepareForReuse()
imageRequest?.cancel()
}
}

128
Tusker/Screens/Compose/EmojiPickerCollectionViewController.swift Normal file
View File

@ -0,0 +1,128 @@
//
// EmojiPickerCollectionViewController.swift
// Tusker
//
// Created by Shadowfacts on 10/12/20.
// Copyright © 2020 Shadowfacts. All rights reserved.
//
import UIKit
import Pachyderm
private let reuseIdentifier = "EmojiCell"
protocol EmojiPickerCollectionViewControllerDelegate: class {
func selectedEmoji(_ emoji: Emoji)
}
// It would be nice to replace this with a LazyVGrid when the deployment target is bumped to 14.0
class EmojiPickerCollectionViewController: UICollectionViewController {
weak var delegate: EmojiPickerCollectionViewControllerDelegate?
private weak var mastodonController: MastodonController!
private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
var searchQuery: String = "" {
didSet {
guard let emojis = mastodonController.customEmojis else { return }
let snapshot = createFilteredSnapshot(emojis: emojis)
DispatchQueue.main.async {
self.dataSource.apply(snapshot)
}
}
}
init(mastodonController: MastodonController) {
self.mastodonController = mastodonController
let itemWidth = NSCollectionLayoutDimension.fractionalWidth(1.0 / 10)
let itemSize = NSCollectionLayoutSize(widthDimension: itemWidth, heightDimension: itemWidth)
let item = NSCollectionLayoutItem(layoutSize: itemSize)
let groupSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1.0), heightDimension: itemWidth)
let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item])
group.interItemSpacing = .fixed(4)
let section = NSCollectionLayoutSection(group: group)
section.interGroupSpacing = 4
let layout = UICollectionViewCompositionalLayout(section: section)
super.init(collectionViewLayout: layout)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
additionalSafeAreaInsets = UIEdgeInsets(top: 0, left: 8, bottom: 0, right: 8)
// use negative indicator insets to bring the indicators back to the edge of the containing view
// using collectionView.contentInset doesn't work the compositional layout ignores the inset when calculating fractional widths
collectionView.scrollIndicatorInsets = UIEdgeInsets(top: 0, left: -8, bottom: 0, right: -8)
collectionView.contentInset = UIEdgeInsets(top: 8, left: 0, bottom: 8, right: 0)
collectionView.backgroundColor = .clear
collectionView.register(EmojiCollectionViewCell.self, forCellWithReuseIdentifier: reuseIdentifier)
dataSource = UICollectionViewDiffableDataSource(collectionView: collectionView) { (collectionView, indexPath, item) -> UICollectionViewCell? in
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: reuseIdentifier, for: indexPath) as! EmojiCollectionViewCell
cell.updateUI(emoji: item.emoji)
return cell
}
mastodonController.getCustomEmojis { (emojis) in
DispatchQueue.main.async {
self.dataSource.apply(self.createFilteredSnapshot(emojis: emojis))
}
}
}
private func createFilteredSnapshot(emojis: [Emoji]) -> NSDiffableDataSourceSnapshot<Section, Item> {
let items: [Item]
if searchQuery.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
items = emojis.map { Item(emoji: $0) }
} else {
items = emojis
.map { ($0, FuzzyMatcher.match(pattern: searchQuery, str: $0.shortcode)) }
.filter(\.1.matched)
.sorted { $0.1.score > $1.1.score }
.map { Item(emoji: $0.0) }
}
var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
snapshot.appendSections([.emojis])
snapshot.appendItems(items)
return snapshot
}
// MARK: UICollectionViewDelegate
override func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
guard let item = dataSource.itemIdentifier(for: indexPath) else { return }
delegate?.selectedEmoji(item.emoji)
}
}
extension EmojiPickerCollectionViewController {
enum Section {
case emojis
}
struct Item: Hashable, Equatable {
let emoji: Emoji
func hash(into hasher: inout Hasher) {
hasher.combine(emoji.shortcode)
}
static func ==(lhs: Item, rhs: Item) -> Bool {
lhs.emoji.shortcode == rhs.emoji.shortcode
}
}
}

46
Tusker/Screens/Compose/EmojiPickerWrapper.swift Normal file
View File

@ -0,0 +1,46 @@
//
// EmojiPickerWrapper.swift
// Tusker
//
// Created by Shadowfacts on 10/14/20.
// Copyright © 2020 Shadowfacts. All rights reserved.
//
import SwiftUI
import Pachyderm
struct EmojiPickerWrapper: UIViewControllerRepresentable {
typealias UIViewControllerType = EmojiPickerCollectionViewController
let searchQuery: String
@EnvironmentObject private var mastodonController: MastodonController
@EnvironmentObject private var uiState: ComposeUIState
func makeUIViewController(context: Context) -> EmojiPickerCollectionViewController {
let vc = EmojiPickerCollectionViewController(mastodonController: mastodonController)
vc.delegate = context.coordinator
return vc
}
func updateUIViewController(_ uiViewController: EmojiPickerCollectionViewController, context: Context) {
uiViewController.searchQuery = searchQuery
}
func makeCoordinator() -> Coordinator {
return Coordinator(uiState: uiState)
}
class Coordinator: EmojiPickerCollectionViewControllerDelegate {
let uiState: ComposeUIState
init(uiState: ComposeUIState) {
self.uiState = uiState
}
func selectedEmoji(_ emoji: Emoji) {
uiState.autocompleteHandler?.autocomplete(with: ":\(emoji.shortcode):")
uiState.autocompleteState = nil
}
}
}

16
Tusker/Screens/Compose/MainComposeTextView.swift
View File

@ -184,8 +184,6 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
func textViewDidChange(_ textView: UITextView) {
text.wrappedValue = textView.text
didChange(textView)
updateAutocompleteState()
}
@objc func formatButtonPressed(_ sender: UIBarButtonItem) {
@ -224,7 +222,6 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
}
func textViewDidEndEditing(_ textView: UITextView) {
uiState.autocompleteHandler = nil
updateAutocompleteState()
}
@ -244,8 +241,8 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
let characterBeforeCursorIndex = text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound)
let insertSpace: Bool
if text.distance(from: characterBeforeCursorIndex, to: text.endIndex) > 0 {
let charAfterCursor = text[text.index(after: characterBeforeCursorIndex)]
if distanceToEnd > 0 {
let charAfterCursor = text[characterBeforeCursorIndex]
insertSpace = charAfterCursor != " " && charAfterCursor != "\n"
} else {
insertSpace = true
@ -254,9 +251,12 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
textView.text.replaceSubrange(lastWordStartIndex..<characterBeforeCursorIndex, with: string)
self.textViewDidChange(textView)
self.updateAutocompleteState()
// keep the cursor at the same position in the text, immediately after what was inserted
textView.selectedRange = NSRange(location: textView.text.utf16.count - distanceToEnd, length: 0)
// if we inserted a space, move the cursor 1 farther so it's immediately after the pre-existing space
let insertSpaceOffset = insertSpace ? 0 : 1
textView.selectedRange = NSRange(location: textView.text.utf16.count - distanceToEnd + insertSpaceOffset, length: 0)
}
private func updateAutocompleteState() {
@ -358,7 +358,3 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
}
}
}
protocol ComposeAutocompleteHandler: class {
func autocomplete(with string: String)
}