Re: mouseEnter-Leave conundrum

[Devin Asay]

On May 14, 2007, at 3:01 PM, J. Landman Gay wrote:
J. Landman Gay wrote:
<snip>

I just tried it with multiple fields and graphics. You need this  
version:

local sObj

on mouseEnter
  if the name of the target contains "graphic" then
    if sObj <> "" then
      put last char of of the short name of sObj into tNum
      hide fld ("field"&tNum)
    end if
    put the name of the target into sObj
  end if
end mouseEnter

on mouseMove x,y
  if sObj = "" then pass mouseMove
  put last char of of the short name of sObj into tNum
  if x,y is not within the rect of sObj then
    hide fld ("field"&tNum)
    put "" into sObj
  else
    show fld ("field"&tNum)
  end if
end mouseMove

I'm afraid you do lose the fine distinction between "the rect" of  
the graphic and its actual outline, but the behavior comes close to  
what you want I think.

In turns out all you have to do is use the within() function. That  
looks at the actual outline of the graphic instead of the rect. I  
didn't realize until today that the 'is within' operator and the  
'within()' function have this subtle difference. Very cool.

Devin

Devin Asay
Humanities Technology and Research Support Center
Brigham Young University

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