widgets.py 文件源码

def _set_tracks(self, album):
        self._songs_scale.clear_marks()
        self._songs_scale.set_range(0, album.get_length())
        length = 0
        for track in album.get_tracks():
            cur_length = length
            if length > 0 and length < album.get_length():
                cur_length = cur_length + 1
            self._songs_scale.add_mark(
                cur_length,
                Gtk.PositionType.RIGHT, 
                GObject.markup_escape_text(
                    Utils.create_track_title(track)
                )
            )
            length = length + track.get_length()
        self._songs_scale.add_mark(length, Gtk.PositionType.RIGHT, "{0[0]:02d}:{0[1]:02d} minutes".format(divmod(length, 60)))