field: click on no char

[erik hansen]

hello,

i did not get time to do the real hackin
before summer closed my lab. it seems to
interact with all of my other clickChunk
code (mouseCharChunk is a new one).

i do look forward to integrating this into
my program in September.

thanks again, Erik

--- Ken Ray <kray at sonsothunder.com> wrote:
> Ok, Erik, ready for some real hackin'?
> 
> Step 1: Set the margins of your field so that
> the user can't click to
> the left or above any text (I set the margin to
> 2). (If you need the
> user to see a margin, make this field
> transparent and place it on top of
> another locked field that is a bit bigger to
> simulate a margin.)
> 
> Step 2: Set the lockText of the field to true.
> (You probably already did
> this.)
> 
> Step 3: We're going to take advantage of the
> formattedText() function,
> that inserts CRs where lines wrap in text
> fields by temporarily putting
> the formattedText into the field, seeing where
> the user clicked, and
> then resetting the text to what it was. We'll
> use the mouseCharChunk and
> mouseLine functions instead of the
> clickCharChunk and clickLine
> functions because they're the ones that work. 
> 
> Put the following script into your field:
> 
> on mouseUp
>   put me into tText
>   put the formattedText of me into me
>   put the mouseCharChunk into tChunk
>   put the mouseLine into tLine
>   put tText into me
>   if tChunk <> "" then
>     put "The user clicked on " & tChunk
>   else
>     if tLine <> "" then
>       put "The user clicked after the end of "
> & tLine
>     else
>       put "The user clicked past the end of the
> text."
>     end if
>   end if
> end mouseUp
> 
> In my testing, I had a field whose text wrapped
> like this:
> 
>   Now is the time for all good men to 
>   come to the aid of their party.
> 
>   Here's another test of the second 
>   paragraph.
> 
> When I clicked between "good" and "men", I got:
> 
>   The user clicked on char 29 to 29 of field 1
> 
> When I cliked after the "." in "party."
> (between it at the right edge of
> the field), I got:
> 
>   The user clicked after the end of line 2 of
> field 1
> 
> When I clicked below the word "paragraph"
> (between the baseline of it
> and the bottom of the field), I got:
> 
>   The user clicked past the end of the text.
> 
> Hopefully you'll be able to tweak this for your
> own purposes.
> 
> Have fun!
> 
> Ken Ray
> Sons of Thunder Software
> Email: kray at sonsothunder.com
> Web Site: http://www.sonsothunder.com/ 
> 
> > -----Original Message-----
> > From: use-revolution-admin at lists.runrev.com 
> >
> [mailto:use-revolution-admin at lists.runrev.com]
> On Behalf Of 
> > erik hansen
> > Sent: Thursday, April 10, 2003 4:20 PM
> > To: use-revolution at lists.runrev.com
> > Subject: field: click on no char 
> > 
> > 
> > --- Ken Ray <kray at sonsothunder.com> wrote:
> > > Erik, are you trying to know exactly where
> the
> > > user clicked (I mean "in
> > > the left margin next to line 3 of the
> field"),
> > > or just whether the user
> > > clicked on text or not?
> > 
> > the areas in a field that have NO text are
> the
> > concern. say my third line has only 20 chars
> of
> > text and the field is wide enough to  handle
> 80
> > chars. click where char 40 would be (if i had
> > padded 80 spaces) and you get no reading.
> > 
> > the user is used to a cursor "snapping" back
> to 
> > the end of the text. 
> > 
> > the easy solution is just to pad with spaces
> > before and after the text. all the editor
> needs
> > to know is that the user clicked on a char
> before
> > or after a string of linked text. there could
> be
> > 1 char or 100 chars between word 1 and word
> 2.
> > the result would be "1 2" in my usage. before
> > word 1 is "0 1"
> > 
> > 
> > =====
> > erik at erikhansen.org   
> http://www.erikhansen.org
> > 
> >
>
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=====
erik at erikhansen.org    http://www.erikhansen.org

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