Fixed character navigation in table mode.

src/fenrirscreenreader/core/tableManager.py

@@ -361,6 +361,27 @@ class TableManager:
             column_pos = line_text.find(target_text, search_start)
             return column_pos if column_pos != -1 else search_start
 
+    def is_cursor_within_current_cell(self, cursor_x, cursor_y):
+        """Check if the given cursor position is within the current table cell"""
+        if not self.is_table_mode():
+            return False
+        
+        line_text = self.env["runtime"]["ScreenManager"].get_line_text(cursor_y)
+        if not line_text:
+            return False
+        
+        columns = self.parse_line_into_columns(line_text)
+        if not columns or self.currentColumn < 0 or self.currentColumn >= len(columns):
+            return False
+        
+        # Get the bounds of the current column
+        column_start = self.get_column_start_position(line_text, self.currentColumn)
+        column_text = columns[self.currentColumn]
+        column_end = column_start + len(column_text)
+        
+        # Check if cursor is within the column bounds
+        return column_start <= cursor_x < column_end
+
     def reset_table_mode(self):
         self.set_head_line()