Add preference for using twitter-style keyboard

Tusker/Preferences/Preferences.swift

@@ -50,6 +50,7 @@ class Preferences: Codable, ObservableObject {
         self.requireAttachmentDescriptions = try container.decode(Bool.self, forKey: .requireAttachmentDescriptions)
         self.contentWarningCopyMode = try container.decode(ContentWarningCopyMode.self, forKey: .contentWarningCopyMode)
         self.mentionReblogger = try container.decode(Bool.self, forKey: .mentionReblogger)
+        self.useTwitterKeyboard = try container.decodeIfPresent(Bool.self, forKey: .useTwitterKeyboard) ?? false
         
         self.blurAllMedia = try container.decode(Bool.self, forKey: .blurAllMedia)
         self.blurMediaBehindContentWarning = try container.decodeIfPresent(Bool.self, forKey: .blurMediaBehindContentWarning) ?? true
@@ -91,6 +92,7 @@ class Preferences: Codable, ObservableObject {
         try container.encode(requireAttachmentDescriptions, forKey: .requireAttachmentDescriptions)
         try container.encode(contentWarningCopyMode, forKey: .contentWarningCopyMode)
         try container.encode(mentionReblogger, forKey: .mentionReblogger)
+        try container.encode(useTwitterKeyboard, forKey: .useTwitterKeyboard)
         
         try container.encode(blurAllMedia, forKey: .blurAllMedia)
         try container.encode(blurMediaBehindContentWarning, forKey: .blurMediaBehindContentWarning)
@@ -131,6 +133,7 @@ class Preferences: Codable, ObservableObject {
     @Published var requireAttachmentDescriptions = false
     @Published var contentWarningCopyMode = ContentWarningCopyMode.asIs
     @Published var mentionReblogger = false
+    @Published var useTwitterKeyboard = false
     
     // MARK: Media
     @Published var blurAllMedia = false {
@@ -181,6 +184,7 @@ class Preferences: Codable, ObservableObject {
         case requireAttachmentDescriptions
         case contentWarningCopyMode
         case mentionReblogger
+        case useTwitterKeyboard
         
         case blurAllMedia
         case blurMediaBehindContentWarning

Tusker/Screens/Compose/MainComposeTextView.swift

@@ -79,6 +79,7 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
     
     @EnvironmentObject var uiState: ComposeUIState
     @EnvironmentObject var mastodonController: MastodonController
+    @ObservedObject var preferences = Preferences.shared
     @Environment(\.isEnabled) var isEnabled: Bool
     
     func makeUIView(context: Context) -> UITextView {
@@ -101,6 +102,7 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
         }
         
         uiView.isEditable = isEnabled
+        uiView.keyboardType = preferences.useTwitterKeyboard ? .twitter : .default
         
         context.coordinator.text = $text
         context.coordinator.didChange = textDidChange

Tusker/Screens/Preferences/ComposingPrefsView.swift

@@ -17,6 +17,7 @@ struct ComposingPrefsView: View {
             visibilitySection
             composingSection
             replyingSection
+            writingSection
         }
         .listStyle(InsetGroupedListStyle())
         .navigationBarTitle("Composing")
@@ -75,6 +76,14 @@ struct ComposingPrefsView: View {
             }
         }
     }
+    
+    var writingSection: some View {
+        Section {
+            Toggle(isOn: $preferences.useTwitterKeyboard) {
+                Text("Show @ and # on Keyboard")
+            }
+        }
+    }
 
 }