Select First Tag Suggestion using TAB

Packages/Pics/Sources/Pics/Views/Edit Picture/EditPictureView.swift

@@ -74,7 +74,7 @@ struct EditPictureView: View {
             .autocorrectionDisabled(true)
             .font(.body.monospaced())
             .textFieldCard()
-            .help("Enter a tag and press the return key to add it")
+            .help("Enter a tag and press the return key to add it, or press tab to select the first suggestion")
             .onSubmit {
                 withAnimation {
                     viewModel.addTag(viewModel.tagInput)
@@ -83,6 +83,14 @@ struct EditPictureView: View {
             .onChange(of: viewModel.tagInput) {
                 viewModel.updateTagSuggestions(from: existingTags.map(\.title))
             }
+            .onKeyPress(.tab) {
+                do {
+                    try viewModel.selectFistTagSuggestion()
+                    return .handled
+                } catch {
+                    return .ignored
+                }
+            }
     }
 
     @ViewBuilder

Packages/Pics/Sources/Pics/Views/Edit Picture/EditPictureViewModel.swift

@@ -7,6 +7,13 @@ import PicsRepository
 @Observable
 final class EditPictureViewModel {
 
+    // MARK: - Nested types
+
+    enum TagSelectionError: Error {
+
+        case noSuggestions
+    }
+
     // MARK: - Properties
 
     let pictureID: String
@@ -108,4 +115,12 @@ final class EditPictureViewModel {
     func removeTag(_ tag: String) {
         tags.removeAll { $0 == tag }
     }
+
+    func selectFistTagSuggestion() throws(TagSelectionError) {
+        guard let tag = suggestedTags.first else {
+            throw .noSuggestions
+        }
+
+        addTag(tag)
+    }
 }

Packages/Pics/Sources/Pics/Views/Upload/UploadView.swift

@@ -185,7 +185,7 @@ struct UploadView: View {
             .autocorrectionDisabled(true)
             .font(.body.monospaced())
             .textFieldCard()
-            .help("Enter a tag and press the return key to add it")
+            .help("Enter a tag and press the return key to add it, or press tab to select the first suggestion")
             .onSubmit {
                 withAnimation(.easeInOut(duration: 0.2)) {
                     viewModel.addTag(viewModel.tagInput)
@@ -194,6 +194,14 @@ struct UploadView: View {
             .onChange(of: viewModel.tagInput) {
                 viewModel.updateTagSuggestions(from: existingTags.map(\.title))
             }
+            .onKeyPress(.tab) {
+                do {
+                    try viewModel.selectFistTagSuggestion()
+                    return .handled
+                } catch {
+                    return .ignored
+                }
+            }
     }
 
     @ViewBuilder

Packages/Pics/Sources/Pics/Views/Upload/UploadViewModel.swift

@@ -9,6 +9,13 @@ import UniformTypeIdentifiers
 @Observable
 final class UploadViewModel {
 
+    // MARK: - Nested types
+
+    enum TagSelectionError: Error {
+
+        case noSuggestions
+    }
+
     // MARK: - Properties
 
     var caption = ""
@@ -145,6 +152,14 @@ final class UploadViewModel {
         tags.removeAll { $0 == tag }
     }
 
+    func selectFistTagSuggestion() throws(TagSelectionError) {
+        guard let tag = suggestedTags.first else {
+            throw .noSuggestions
+        }
+
+        addTag(tag)
+    }
+
     // MARK: - Private
 
     private func setUpObservers() {

Packages/Weblog/Sources/Weblog/Views/Editor/EditorView.swift

@@ -122,7 +122,7 @@ struct EditorView: View {
             .autocorrectionDisabled(true)
             .font(.body.monospaced())
             .textFieldCard()
-            .help("Enter a tag and press the return key to add it")
+            .help("Enter a tag and press the return key to add it, or press tab to select the first suggestion")
             .onSubmit {
                 withAnimation {
                     viewModel.addTag(viewModel.tagInput)
@@ -131,6 +131,14 @@ struct EditorView: View {
             .onChange(of: viewModel.tagInput) {
                 viewModel.updateTagSuggestions(from: existingTags.map(\.title))
             }
+            .onKeyPress(.tab) {
+                do {
+                    try viewModel.selectFistTagSuggestion()
+                    return .handled
+                } catch {
+                    return .ignored
+                }
+            }
     }
 
     @ViewBuilder

Packages/Weblog/Sources/Weblog/Views/Editor/EditorViewModel.swift

@@ -7,6 +7,13 @@ import WeblogRepository
 @Observable
 final class EditorViewModel {
 
+    // MARK: - Nested types
+
+    enum TagSelectionError: Error {
+
+        case noSuggestions
+    }
+
     // MARK: - Properties
 
     var body: String
@@ -115,4 +122,12 @@ final class EditorViewModel {
     func removeTag(_ tag: String) {
         tags.removeAll { $0 == tag }
     }
+
+    func selectFistTagSuggestion() throws(TagSelectionError) {
+        guard let tag = suggestedTags.first else {
+            throw .noSuggestions
+        }
+
+        addTag(tag)
+    }
 }