ios: stop refocusing composer after send

ios/Packages/Sybil/Sources/Sybil/SybilWorkspaceView.swift

@@ -1,6 +1,5 @@
 import Observation
 import SwiftUI
-import UIKit
 
 struct SybilWorkspaceView: View {
     @Bindable var viewModel: SybilViewModel
@@ -75,11 +74,6 @@ struct SybilWorkspaceView: View {
         }
         .background(SybilTheme.background)
         .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
-        .onChange(of: viewModel.isSending) { _, isSending in
-            if !isSending, viewModel.showsComposer {
-                composerFocused = true
-            }
-        }
     }
 
     private var header: some View {
@@ -217,23 +211,19 @@ struct SybilWorkspaceView: View {
 
     private var composerBar: some View {
         HStack(alignment: .bottom, spacing: 10) {
-            ZStack(alignment: .topLeading) {
+            TextField(
-                ComposerTextView(
+                viewModel.isSearchMode ? "Search the web" : "Message Sybil",
-                    text: $viewModel.composer,
+                text: $viewModel.composer,
-                    isFocused: $composerFocused,
+                axis: .vertical
-                    isDisabled: viewModel.isSending
+            )
-                ) {
+            .focused($composerFocused)
-                    Task {
+            .textInputAutocapitalization(.sentences)
-                        await viewModel.sendComposer()
+            .autocorrectionDisabled(false)
-                    }
+            .lineLimit(1 ... 6)
-                }
+            .submitLabel(.send)
-                .frame(minHeight: 24, maxHeight: 132)
+            .onSubmit {
-
+                Task {
-                if viewModel.composer.isEmpty {
+                    await viewModel.sendComposer()
-                    Text(viewModel.isSearchMode ? "Search the web" : "Message Sybil")
-                        .font(.body)
-                        .foregroundStyle(SybilTheme.textMuted.opacity(0.72))
-                        .allowsHitTesting(false)
                 }
             }
             .padding(.horizontal, 12)
@@ -283,91 +273,3 @@ struct SybilWorkspaceView: View {
         )
     }
 }
-
-private struct ComposerTextView: UIViewRepresentable {
-    @Binding var text: String
-    var isFocused: FocusState<Bool>.Binding
-    var isDisabled: Bool
-    var onSubmit: () -> Void
-
-    func makeUIView(context: Context) -> UITextView {
-        let textView = UITextView()
-        textView.delegate = context.coordinator
-        textView.backgroundColor = .clear
-        textView.font = .preferredFont(forTextStyle: .body)
-        textView.textColor = UIColor(SybilTheme.text)
-        textView.tintColor = UIColor(SybilTheme.primary)
-        textView.textContainerInset = .zero
-        textView.textContainer.lineFragmentPadding = 0
-        textView.isScrollEnabled = true
-        textView.alwaysBounceVertical = false
-        textView.keyboardDismissMode = .interactive
-        textView.returnKeyType = .send
-        textView.enablesReturnKeyAutomatically = true
-        textView.autocapitalizationType = .sentences
-        textView.autocorrectionType = .default
-        textView.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
-        return textView
-    }
-
-    func updateUIView(_ textView: UITextView, context: Context) {
-        context.coordinator.parent = self
-
-        if textView.text != text {
-            textView.text = text
-        }
-
-        textView.isEditable = !isDisabled
-        textView.alpha = isDisabled ? 0.74 : 1
-
-        if isFocused.wrappedValue, !textView.isFirstResponder {
-            textView.becomeFirstResponder()
-        } else if !isFocused.wrappedValue, textView.isFirstResponder {
-            textView.resignFirstResponder()
-        }
-    }
-
-    func sizeThatFits(_ proposal: ProposedViewSize, uiView: UITextView, context: Context) -> CGSize? {
-        let width = proposal.width ?? uiView.bounds.width
-        let fittingSize = uiView.sizeThatFits(
-            CGSize(width: width, height: CGFloat.greatestFiniteMagnitude)
-        )
-        return CGSize(width: width, height: min(max(fittingSize.height, 24), 132))
-    }
-
-    func makeCoordinator() -> Coordinator {
-        Coordinator(parent: self)
-    }
-
-    final class Coordinator: NSObject, UITextViewDelegate {
-        var parent: ComposerTextView
-
-        init(parent: ComposerTextView) {
-            self.parent = parent
-        }
-
-        func textViewDidChange(_ textView: UITextView) {
-            parent.text = textView.text
-        }
-
-        func textViewDidBeginEditing(_ textView: UITextView) {
-            parent.isFocused.wrappedValue = true
-        }
-
-        func textViewDidEndEditing(_ textView: UITextView) {
-            parent.isFocused.wrappedValue = false
-        }
-
-        func textView(
-            _ textView: UITextView,
-            shouldChangeTextIn range: NSRange,
-            replacementText replacement: String
-        ) -> Bool {
-            if replacement == "\n" {
-                parent.onSubmit()
-                return false
-            }
-            return true
-        }
-    }
-}