Okay, well one not-so-beautiful thing. Try this program: #lang racket (+ 1 #f)
You get the grey and the red in exactly the same place (and only in that place). Robby On Fri, Nov 30, 2012 at 10:01 AM, Robby Findler <[email protected]> wrote: > This seems to work well for the basic grey and the two "shades of X" color > schemes. For the other color schemes, I've just left things as they are, but > if someone wants to figure out better colors that achieve similar effects, > that'd be welcome. > > (The tricky thing is that you have to figure out what color to draw for > color N such that all of the previous colors drawn and then combined with > color N will yield the color that you really want.) > > Robby > > > On Thursday, November 29, 2012, Robby Findler wrote: >> >> I think that makes sense. Indeed, I could arrange for the highlights >> to be drawn first (before the text) and use non-1 alphas to achieve >> this affect when highlights are layered. Let me think more about this >> and I'll give it a try at some point. >> >> Robby >> >> On Thu, Nov 29, 2012 at 10:04 AM, Grant Rettke <[email protected]> wrote: >> > On Thu, Nov 29, 2012 at 7:59 AM, Robby Findler >> > <[email protected]> wrote: >> >> The way those highlights work, you are going to see either one or the >> >> other and I think it gets more confusing when the paren highlights >> >> obscure the error highlights (indeed, we have had PRs in the past >> >> claiming that the error highlighting was broken when the priorities >> >> were reversed). >> >> >> >> Unless you have an idea on how to show both? >> > >> > What I was thinking was doing something like this: >> > 1. Say there is a section that is highlighted like this (foo (bar >> > (baz))) ;; (this is not complicated but imagine that it is) >> > 2. The highlighter is highlighting the whole in ERR_COLOR. >> > 3. And you need to fix something and you need to put the cursor in the >> > right place. Of course I can't reproduce the situation that made me >> > think of this hence the simple example. Anyway you want paren >> > highlighting. >> > 4. There is a some color already defined for highlighting matching >> > parens MP_COLOR. Error highlighting won't use this. >> > 5. Instead it would make MP_ERR_COLOR which is ERR_COLOR but take down >> > the value (the V in HSV I looked it up) so that it is still clearly an >> > error, but there is some visual distinction. >> > >> > Maybe this is an edge case? I can't even create a situation where this >> > makes sense. >> > >> > But anyway the idea is that it is clearly an error, but there is a >> > subtle difference to see paren background highlighting. >> > >> > Just an idea. I would code it up but it would take me a week. That >> > said I would be happy to try. ____________________ Racket Users list: http://lists.racket-lang.org/users

