> On Mar 4, 2016, at 1:08 PM, Mark Mitchell <[email protected]> wrote:
>
> (Sorry Heather! I’m sending this message again from the ‘proper’ account..)
>
> I’m not sure how long it has been around, but I have just discovered the
> ‘mousewhithin’ message combined with the mouseline() function… Awesome! So,
> for those of you who don’t know, the ‘mousewithin’ message is sent to a field
> periodically (5 times a second?) whenever the mouse is inside that field.
>
> Then, the mouseline function returns whatever line of that field the mouse is
> currently hovering over. I am currently using this to warn folks if they
> have too many characters per line. And that works fine.
>
> But to make it more intuitive, I want to somehow hilite or indicate the line
> that the mouse is over in the field, without disturbing the ability to edit
> that field (copy, paste, type stuff) with ease.
>
> I have tried a few different ways of hiliting the line of the field
> (selecting it, changing the color of the text of it, etc) but any sort of
> repeat or recursive structure does not work, as the “mousewithin” message is
> simply sent far too often for any ‘repeat’ or recursion to work.
>
> Does anyone have any other ideas for highlighting a line in a field that
> might work under these conditions?
Mark,
Have you tried setting the backgroundColor of the line, something like this:
local sCurrLine
on mouseWithin
put the mouseline into tThisLine
if tThisLine <> sCurrLine then
set the backgroundColor of line 1 to -1 of me to empty
set the backgroundColor of tThisLine to (220,220,250)
put tThisLine into sCurrLine
end if
end mouseWithin
on mouseLeave
set the backgroundColor of line 1 to -1 of me to empty
end mouseLeave
It seemed to work okay here on LC 7.1.2.
Devin
Devin Asay
Office of Digital Humanities
Brigham Young University
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