Expirmental improvements to highlight tracking.

src/fenrirscreenreader/core/tableManager.py

@@ -382,6 +382,151 @@ class TableManager:
         # Check if cursor is within the column bounds
         return column_start <= cursor_x < column_end
 
+    def move_to_first_cell(self):
+        """Move to first cell in current row"""
+        if not self.env["runtime"]["CursorManager"].is_review_mode():
+            return None
+        
+        cursor_pos = self.env["runtime"]["CursorManager"].get_review_or_text_cursor()
+        if not cursor_pos:
+            return None
+        
+        line_text = self.env["runtime"]["ScreenManager"].get_line_text(cursor_pos["y"])
+        if not line_text:
+            return None
+        
+        columns = self.parse_line_into_columns(line_text)
+        if not columns:
+            return None
+        
+        # Set current column to first column
+        self.currentColumn = 0
+        
+        # Return info for the first column
+        return self.get_table_cell_info_by_indices(cursor_pos["y"], 0)
+    
+    def move_to_last_cell(self):
+        """Move to last cell in current row"""
+        if not self.env["runtime"]["CursorManager"].is_review_mode():
+            return None
+        
+        cursor_pos = self.env["runtime"]["CursorManager"].get_review_or_text_cursor()
+        if not cursor_pos:
+            return None
+        
+        line_text = self.env["runtime"]["ScreenManager"].get_line_text(cursor_pos["y"])
+        if not line_text:
+            return None
+        
+        columns = self.parse_line_into_columns(line_text)
+        if not columns:
+            return None
+        
+        # Set current column to last column
+        self.currentColumn = len(columns) - 1
+        
+        # Return info for the last column
+        return self.get_table_cell_info_by_indices(cursor_pos["y"], self.currentColumn)
+    
+    def move_to_first_char_in_cell(self):
+        """Move to first character in current cell"""
+        if not self.env["runtime"]["CursorManager"].is_review_mode():
+            return None
+        
+        cursor_pos = self.env["runtime"]["CursorManager"].get_review_or_text_cursor()
+        if not cursor_pos:
+            return None
+        
+        line_text = self.env["runtime"]["ScreenManager"].get_line_text(cursor_pos["y"])
+        if not line_text:
+            return None
+        
+        columns = self.parse_line_into_columns(line_text)
+        if not columns or self.currentColumn < 0 or self.currentColumn >= len(columns):
+            return None
+        
+        # Get column start position
+        column_start = self.get_column_start_position(line_text, self.currentColumn)
+        
+        # Find first non-space character in the column
+        column_text = columns[self.currentColumn]
+        first_char_offset = len(column_text) - len(column_text.lstrip())
+        
+        # Set cursor position to first character in cell
+        new_x = column_start + first_char_offset
+        self.env["runtime"]["CursorManager"].set_review_cursor_position(new_x, cursor_pos["y"])
+        
+        # Get the character at the new position
+        from fenrirscreenreader.utils import char_utils
+        (
+            self.env["screen"]["newCursorReview"]["x"],
+            self.env["screen"]["newCursorReview"]["y"],
+            curr_char,
+        ) = char_utils.get_current_char(
+            new_x,
+            cursor_pos["y"],
+            self.env["screen"]["new_content_text"],
+        )
+        
+        return {
+            'cell_content': column_text.strip(),
+            'column_header': self.get_column_header(self.currentColumn),
+            'character': curr_char,
+            'position': 'first'
+        }
+    
+    def move_to_last_char_in_cell(self):
+        """Move to last character in current cell"""
+        if not self.env["runtime"]["CursorManager"].is_review_mode():
+            return None
+        
+        cursor_pos = self.env["runtime"]["CursorManager"].get_review_or_text_cursor()
+        if not cursor_pos:
+            return None
+        
+        line_text = self.env["runtime"]["ScreenManager"].get_line_text(cursor_pos["y"])
+        if not line_text:
+            return None
+        
+        columns = self.parse_line_into_columns(line_text)
+        if not columns or self.currentColumn < 0 or self.currentColumn >= len(columns):
+            return None
+        
+        # Get column start position
+        column_start = self.get_column_start_position(line_text, self.currentColumn)
+        column_text = columns[self.currentColumn]
+        
+        # Find last non-space character in the column
+        trimmed_text = column_text.rstrip()
+        if not trimmed_text:
+            # If empty cell, go to column start
+            new_x = column_start
+        else:
+            # Find the position of the last character
+            new_x = column_start + len(trimmed_text) - 1
+        
+        # Set cursor position to last character in cell
+        self.env["runtime"]["CursorManager"].set_review_cursor_position(new_x, cursor_pos["y"])
+        
+        # Get the character at the new position
+        from fenrirscreenreader.utils import char_utils
+        (
+            self.env["screen"]["newCursorReview"]["x"],
+            self.env["screen"]["newCursorReview"]["y"],
+            curr_char,
+        ) = char_utils.get_current_char(
+            new_x,
+            cursor_pos["y"],
+            self.env["screen"]["new_content_text"],
+        )
+        
+        return {
+            'cell_content': column_text.strip(),
+            'column_header': self.get_column_header(self.currentColumn),
+            'character': curr_char,
+            'position': 'last'
+        }
+
     def reset_table_mode(self):
         self.set_head_line()