Drag & drop controls inside a scroller
lc at pbh.on-rev.com
Fri Oct 19 01:39:00 EDT 2012
I deleted all lines with any reference to "status" and it still works for me, I can send you the sample stack if you wish, which version of LC do you use?
On 2012-10-18, at 3:22 PM, Josep M Yepes wrote:
> Hi Paul,
> I follow your steps but the I can't drag more far away of 5 pixels... :(
> If you prefer delete the lines that put into fld "status" and you can see that the button can't be dragged and I don't know why...
> Any idea why?
> Josep M
> El 18/10/2012, a las 19:00, use-livecode-request at lists.runrev.com escribió:
>> Subject: Re: Drag & drop controls inside a scroller
>> Message-ID: <C0A8C5A4-8D03-477C-8337-216D218852D9 at pbh.on-rev.com>
>> Content-Type: text/plain; charset=us-ascii
>> Hi Josep,
>> Your code stops at line 11 where the word status has wrapped to a new line and so has dropped out of the comment, also at line 13.
>> It gives this error in the 'Errors" pane of the Script Editor:
>> button "Button": execution error at line 11 (Handler: can't find handler) near "status", char 1
>> This is because LC now thinks "status" is a handler, but that handler isn't defined.
>> Move the word "status" back to the commented line, do the same with line 13 and the code works fine.
>> Note, you should also enclose the field name in quotes.
>> New code:
>> local allowDrag
>> on mouseDown
>> put (the mouseH - left of me),(the mouseV - top of me) into allowDrag
>> end mouseDown
>> on mouseMove x,y
>> if allowDrag = "" then exit mouseMove
>> set topLeft of me to \
>> (x - item 1 of allowDrag) & "," & (y - item 2 of allowDrag)
>> # if within(grc box1,loc of me) then put "You hit box 1" into fld "status"
>> # if within(grc box2,loc of me) then put "You hit box 2" into fld "status"
>> put "" into fld "status"
>> if intersect(me,grc box1) then put "You hit box 1" into fld "status"
>> if intersect(me,grc box2) then put "You hit box 2" into fld "status"
>> end mouseMove
>> on mouseUp
>> put empty into fld "status"
>> put "" into allowDrag
>> end mouseUp
>> on mouseRelease
>> end mouseRelease
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