Support autocapitalizationType for iOS

AppKit doesn't have such a setting for NSTextView, so I don't support it for macOS.

Author: mshibanami

Example/Example (Shared)/ContentView.swift

@@ -12,6 +12,7 @@ struct ContentView: View {
     @State var text1 = ""
     @State var text2 = ""
     @State var text3 = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua."
+    @State var text4 = ""
 
     var body: some View {
         List {
@@ -65,6 +66,14 @@ struct ContentView: View {
                     hasGreedyWidth: false)
                 .background(textBackgroundColor)
             }
+            
+            Section("No autocapitalization") {
+                ResizingTextView(
+                    text: $text4,
+                    placeholder: "Placeholder")
+                .autocapitalizationType(.none)
+                .background(textBackgroundColor)
+            }
         }
     }
 }

Sources/ResizingTextView/ResizingTextView.swift

@@ -18,6 +18,8 @@ public struct ResizingTextView: View, Equatable {
 #if os(macOS)
     var focusesNextKeyViewByTabKey: Bool = true
     var onInsertNewline: (() -> Bool)?
+#elseif os(iOS)
+    var autocapitalizationType: UITextAutocapitalizationType = .sentences
 #endif
 
 #if os(macOS)
@@ -133,8 +135,8 @@ public struct ResizingTextView: View, Equatable {
                 lineLimit: lineLimit ?? .max,
                 font: font,
                 canHaveNewLineCharacters: canHaveNewLineCharacters,
-                foregroundColor: Color(foregroundColor))
-
+                foregroundColor: Color(foregroundColor),
+                autocapitalizationType: autocapitalizationType)
             if let placeholder {
                 Text(placeholder)
                     .font(Font(font))
@@ -162,6 +164,8 @@ public struct ResizingTextView: View, Equatable {
         && lhs.isFocused == rhs.isFocused
 #if os(macOS)
         result = result && lhs.focusesNextKeyViewByTabKey == rhs.focusesNextKeyViewByTabKey
+#elseif os(iOS)
+        result = result && lhs.autocapitalizationType == rhs.autocapitalizationType
 #endif
         return result
     }
@@ -205,5 +209,11 @@ public extension ResizingTextView {
         newSelf.font = font
         return newSelf
     }
+    
+    func autocapitalizationType(_ autocapitalizationType: UITextAutocapitalizationType) -> Self {
+        var newSelf = self
+        newSelf.autocapitalizationType = autocapitalizationType
+        return newSelf
+    }
 #endif
 }

Sources/ResizingTextView/TextView (UIKit).swift

@@ -16,15 +16,17 @@ struct TextView: UIViewRepresentable {
     private var font: UIFont
     private var canHaveNewLineCharacters: Bool
     private var width: CGFloat?
+    private var autocapitalizationType: UITextAutocapitalizationType
 
     init(_ text: Binding<String>,
-         isEditable: Bool = true,
-         isScrollable: Bool = false,
-         isSelectable: Bool = true,
-         lineLimit: Int = 0,
+         isEditable: Bool,
+         isScrollable: Bool,
+         isSelectable: Bool,
+         lineLimit: Int,
          font: UIFont,
-         canHaveNewLineCharacters: Bool = true,
-         foregroundColor: Color = defaultForegroundColor) {
+         canHaveNewLineCharacters: Bool,
+         foregroundColor: Color,
+         autocapitalizationType: UITextAutocapitalizationType) {
         self._text = text
         self.isEditable = isEditable
         self.isScrollable = isScrollable
@@ -33,14 +35,7 @@ struct TextView: UIViewRepresentable {
         self.foregroundColor = foregroundColor
         self.font = font
         self.canHaveNewLineCharacters = canHaveNewLineCharacters
-    }
-
-    init(text: String) {
-        self.init(
-            Binding<String>.constant(text),
-            isEditable: false,
-            font: UIFont.preferredFont(forTextStyle: .body),
-            foregroundColor: Self.defaultForegroundColor)
+        self.autocapitalizationType = autocapitalizationType
     }
 
     func makeUIView(context: Context) -> CustomTextView {
@@ -78,6 +73,9 @@ struct TextView: UIViewRepresentable {
         if view.textContainer.maximumNumberOfLines != lineLimit {
             view.textContainer.maximumNumberOfLines = lineLimit
         }
+        if view.autocapitalizationType != autocapitalizationType {
+            view.autocapitalizationType = autocapitalizationType
+        }
         if lineLimit > 0 {
             if view.textContainer.lineBreakMode != .byTruncatingTail {
                 view.textContainer.lineBreakMode = .byTruncatingTail