ref: a7431c0b7ce232f296ebcd70172ca64e58300105
parent: c6b1d4472b2f339c54c9c9de06c6ebef2a92dba9
author: Simon Tatham <anakin@pobox.com>
date: Sat Sep 6 05:27:56 EDT 2008
New infrastructure feature. Games are now permitted to be _conditionally_ able to format the current puzzle as text to be sent to the clipboard. For instance, if a game were to support playing on a square grid and on other kinds of grid such as hexagonal, then it might reasonably feel that only the former could be sensibly rendered in ASCII art; so it can now arrange for the "Copy" menu item to be greyed out depending on the game_params. To do this I've introduced a new backend function (can_format_as_text_now()), and renamed the existing static backend field "can_format_as_text" to "can_format_as_text_ever". The latter will cause compile errors for anyone maintaining a third-party front end; if any such person is reading this, I apologise to them for the inconvenience, but I did do it deliberately so that they'd know to update their front end. As yet, no checked-in game actually uses this feature; all current games can still either copy always or copy never. [originally from svn r8161]