Add edit menu actions

Tusker/Models/StatusFormat.swift

@@ -10,7 +10,7 @@ import UIKit
 import Pachyderm
 
 enum StatusFormat: CaseIterable {
-    case italics, bold, strikethrough, code
+    case bold, italics, strikethrough, code
     
     var insertionResult: FormatInsertionResult? {
         switch Preferences.shared.statusContentType {

Tusker/Screens/Compose/ComposeEmojiTextField.swift

@@ -111,6 +111,17 @@ struct ComposeEmojiTextField: UIViewRepresentable {
             self.updateAutocompleteState(textField: textField)
         }
         
+        func textField(_ textField: UITextField, editMenuForCharactersIn range: NSRange, suggestedActions: [UIMenuElement]) -> UIMenu? {
+            var actions = suggestedActions
+            if range.length == 0 {
+                actions.append(UIAction(title: "Insert Emoji", image: UIImage(systemName: "face.smiling"), handler: { [weak self] _ in
+                    self?.uiState.shouldEmojiAutocompletionBeginExpanded = true
+                    self?.beginAutocompletingEmoji()
+                }))
+            }
+            return UIMenu(children: actions)
+        }
+        
         func beginAutocompletingEmoji() {
             textField?.insertText(":")
         }

Tusker/Screens/Compose/MainComposeTextView.swift

@@ -193,8 +193,42 @@ struct MainComposeWrappedTextView: UIViewRepresentable {
             self.updateAutocompleteState()
         }
         
+        func textView(_ textView: UITextView, editMenuForTextIn range: NSRange, suggestedActions: [UIMenuElement]) -> UIMenu? {
+            var actions = suggestedActions
+            if Preferences.shared.statusContentType != .plain,
+               let index = suggestedActions.firstIndex(where: { ($0 as? UIMenu)?.identifier.rawValue == "com.apple.menu.format" }) {
+                if range.length > 0 {
+                    let formatMenu = suggestedActions[index] as! UIMenu
+                    let newFormatMenu = formatMenu.replacingChildren(StatusFormat.allCases.map { fmt in
+                        UIAction(title: fmt.accessibilityLabel, image: fmt.image) { [weak self] _ in
+                            self?.applyFormat(fmt)
+                        }
+                    })
+                    actions[index] = newFormatMenu
+                } else {
+                    actions.remove(at: index)
+                }
+            }
+            if range.length == 0 {
+                actions.append(UIAction(title: "Insert Emoji", image: UIImage(systemName: "face.smiling"), handler: { [weak self] _ in
+                    self?.uiState.shouldEmojiAutocompletionBeginExpanded = true
+                    self?.beginAutocompletingEmoji()
+                }))
+            }
+            return UIMenu(children: actions)
+        }
+        
         func beginAutocompletingEmoji() {
-            textView?.insertText(":")
+            guard let textView = textView else {
+                return
+            }
+            var insertSpace = false
+            if let text = textView.text,
+               textView.selectedRange.upperBound > 0 {
+                let characterBeforeCursorIndex = text.utf16.index(before: text.utf16.index(text.startIndex, offsetBy: textView.selectedRange.upperBound))
+                insertSpace = !text[characterBeforeCursorIndex].isWhitespace
+            }
+            textView.insertText((insertSpace ? " " : "") + ":")
         }
         
         func autocomplete(with string: String) {