Task edition improvements (#9)

This PR contains the work done to improve upon the editing experience on the **Task list item and the **New task** views.

Reviewed-on: rock-n-code/todos-app#9
Co-authored-by: Javier Cicchelli <javier@rock-n-code.com>
Co-committed-by: Javier Cicchelli <javier@rock-n-code.com>

App/Sources/Views/NewTaskView.swift

@@ -21,6 +21,10 @@ struct NewTaskView: View {
     /// SwiftData model context for saving todo tasks.
     @Environment(\.modelContext)
     private var modelContext
+    
+    /// Tracks which text field currently has keyboard focus.
+    @FocusState
+    private var inputFocus: InputFieldFocus?
 
     /// The view model managing the state and logic for this view.
     @State
@@ -50,22 +54,36 @@ struct NewTaskView: View {
                 Section("view.new-task.section.task") {
                     TextField(
                         "view.new-task.placeholder.title",
-                        text: $viewModel.title
+                        text: $viewModel.title,
+                        axis: .vertical
+                    )
+                    .focused(
+                        $inputFocus,
+                        equals: .title
+                    )
+                    .onNewlineFocus(
+                        $viewModel.title,
+                        to: .note,
+                        on: $inputFocus
                     )
-                    .autocapitalization(.sentences)
-                    .autocorrectionDisabled(false)
-                    .keyboardType(.asciiCapable)
 
                     TextField(
                         "view.new-task.placeholder.note",
                         text: $viewModel.note,
                         axis: .vertical
                     )
-                    .autocapitalization(.sentences)
-                    .autocorrectionDisabled(false)
-                    .keyboardType(.asciiCapable)
-                    .lineLimit(3 ... 6)
+                    .focused(
+                        $inputFocus,
+                        equals: .note
+                    )
+                    .onEmptyNewlineResignFocus(
+                        text: $viewModel.note,
+                        from: $inputFocus
+                    )
                 }
+                .autocapitalization(.sentences)
+                .autocorrectionDisabled(false)
+                .keyboardType(.default)
 
                 Section("view.new-task.section.due-date") {
                     DatePicker(
@@ -78,6 +96,7 @@ struct NewTaskView: View {
             }
             .navigationTitle("view.new-task.navigation.title")
             .navigationBarTitleDisplayMode(.inline)
+            .onResignFocus()
             .toolbar {
                 ToolbarItem(placement: .cancellationAction) {
                     Button(role: .cancel) {