sublime_terminal_buffer.py 文件源码

def _update_line_colors(self, line_no, line_color_map):
        # Note this function has been optimized quite a bit. Calls to the ST3
        # API has been left out on purpose as they are slower than the
        # alternative.
        view_region_cache = self._sub_buffer.view_region_cache()
        view_content_cache = self._sub_buffer.view_content_cache()

        for idx, field in line_color_map.items():
            length = field["field_length"]
            color_scope = "terminalview.%s_%s" % (field["color"][0], field["color"][1])

            # Get text point where color should start
            line_start, _ = view_content_cache.get_line_start_and_end_points(line_no)
            color_start = line_start + idx

            # Make region that should be colored
            buffer_region = sublime.Region(color_start, color_start + length)
            region_key = "%i,%s" % (line_no, idx)

            # Add the region
            flags = sublime.DRAW_NO_OUTLINE | sublime.PERSISTENT
            self.view.add_regions(region_key, [buffer_region], color_scope, flags=flags)
            view_region_cache.add(line_no, region_key)