ref: 8cfcbac02795801b712e16492bbfeead35896b0c
parent: c0fff857fd910eb4af7eabd6ad08da554f694f43
author: Simon Tatham <anakin@pobox.com>
date: Sun Apr 7 06:44:56 EDT 2013
Split Untangle's background colour into two. COL_BACKGROUND is still defined the same way and used to draw the normal background of the puzzle, but there's a new slightly darker COL_SYSBACKGROUND which is not used for anything at all in the puzzle backend but which occupies colour slot #0 so that the system will use it to fill around the playable area if the puzzle is imprecisely resized. This doesn't _sensibly fix_ the annoyance in Untangle where a non- square window gives rise to unusable dead space, but it at least works around it by making the dead space obviously something to stay away from. [originally from svn r9823]