tlc: word completion and spell check in editor menubar

local/recipes/tui/tlc/source/src/editor/menubar.rs

@@ -95,6 +95,10 @@ pub enum EditorCmd {
     Delete,
     /// Toggle column/stream selection mode (MC CK_Mark).
     ToggleColumnMode,
+    /// Alt-Tab — complete the word before the cursor (MC CK_Complete).
+    WordComplete,
+    /// Check spelling of the word at cursor (MC CK_SpellCheck).
+    SpellCheck,
 }
 
 /// Outcome of a menu-bar key press.
@@ -221,6 +225,7 @@ impl EditorMenuBar {
                     MenuItem::item("Paste", 'v', EditorCmd::Paste),
                     MenuItem::item("Delete", 'd', EditorCmd::Delete),
                     MenuItem::separator(),
+                    MenuItem::item("Complete word", 'w', EditorCmd::WordComplete),
                     MenuItem::item("Select all", 'a', EditorCmd::MarkAll),
                     MenuItem::item("Toggle column", 't', EditorCmd::ToggleColumnMode),
                 ],
@@ -271,6 +276,7 @@ impl EditorMenuBar {
                     MenuItem::item("Relative line numbers", 'r', EditorCmd::ToggleRelativeLines),
                     MenuItem::separator(),
                     MenuItem::item("Insert/Overwrite", 'i', EditorCmd::ToggleOverwrite),
+                    MenuItem::item("Spell check", 's', EditorCmd::SpellCheck),
                 ],
             ),
         ];

local/recipes/tui/tlc/source/src/editor/mod.rs

@@ -1293,6 +1293,26 @@ impl Editor {
             EditorCmd::Redo => {
                 self.redo();
             }
+            EditorCmd::WordComplete => {
+                self.word_complete();
+            }
+            EditorCmd::SpellCheck => {
+                let misspelled = self.find_next_misspelled(
+                    self.cursor.position(),
+                );
+                if let Some((start, end)) = misspelled {
+                    self.cursor.set_position(end, &self.buffer);
+                    self.cursor.start_selection();
+                    self.cursor.set_position(start, &self.buffer);
+                    self.message = Some(
+                        "Misspelled word — press Alt-Tab for suggestions"
+                            .to_string(),
+                    );
+                } else {
+                    self.message =
+                        Some("No more misspelled words".to_string());
+                }
+            }
             EditorCmd::Cut => {
                 if let Some(text) = self.cursor.selected_text(&self.buffer) {
                     self.clipboard = Some(text.clone());
@@ -3970,5 +3990,26 @@ mod tests {
         let _ = e.dispatch_editor_cmd(crate::editor::menubar::EditorCmd::ToggleOverwrite);
         assert_eq!(e.message, Some("[INS]".to_string()));
     }
+
+    #[test]
+    fn spell_check_finds_misspelled_word() {
+        let mut e = make_empty();
+        e.toggle_spell_check();
+        assert!(e.spell_check_enabled());
+        e.insert_str("hello wrdl");
+        e.buffer.set_cursor(0);
+        e.cursor.set_position(0, &e.buffer);
+        let _ = e.dispatch_editor_cmd(crate::editor::menubar::EditorCmd::SpellCheck);
+        assert!(e.cursor.has_selection());
+    }
+
+    #[test]
+    fn word_complete_dispatches_without_panic() {
+        let mut e = make_empty();
+        e.insert_str("hello help");
+        e.buffer.set_cursor(12);
+        e.cursor.set_position(12, &e.buffer);
+        let _ = e.dispatch_editor_cmd(crate::editor::menubar::EditorCmd::WordComplete);
+    }
 }