Re: slide with multiples of x?

Peter T. Evensen Tue, 05 Dec 2006 13:49:42 -0800

Eric,

How does that make you go by 20s?

I want the slider to go from 0 to 100 by 20s, so if you have the slider atposition 25, it will snap back to 20. Am I missing something?


At 03:45 PM 12/5/2006, you wrote:

Hi Peter,

You can achieve your goal more easily with a oneliner:

on mouseUp
  set the thumbPos of me to the thumbPos of me
end mouseUp

Best Regards from Paris,
Eric Chatonet

Le 5 déc. 06 à 22:35, Peter T. Evensen a écrit :

Hi Eric,

Thanks for the pointer.  The one key I was missing is
scrollbarDrag.  I didn't know about that message.

I implemented my own scrollbar value indicator that I move.
Here's what I wound up with in my script.  I haven't tried this on
the Mac yet.  I don't like the hard-coded numbers; the might not
work on the Mac.  I'll have to think to see if I can come up with
anything better.

on mouseUp
  set the thumbposition of me to NearestThumbPos(the thumbposition
of me)
  AdjustLabelPosition
end mouseUp

on scrollbarDrag
  lock screen
  AdjustLabelPosition
  unlock screen
end scrollbarDrag

function NearestThumbPos pPos
  put pPos div 20 into tNumTwenties
  put pPos mod 20 into tRemainder
  if tRemainder >= 10 then
    add 1 to tNumTwenties
  end if
  return 20 * tNumTwenties
end NearestThumbPos

on AdjustLabelPosition
  put the thumbposition of me into tPos
  put NearestThumbPos(the thumbposition of me) into field "Thumb Pos"
  put (the width of me - 12) / the endValue of me into tPixelsPerValue
  put the left of me + 6 + tPixelsPerValue * tPos into tThumbLoc
  put the loc of field "Thumb Pos" into tFieldLoc
  put tThumbLoc into item 1 of tFieldLoc
  set the loc of field "Thumb Pos" to tFieldLoc
end AdjustLabelPosition


At 02:46 PM 12/5/2006, you wrote:

Hi Peter,

The "How to Manage "Snap to" Scrollbars" tutorial might help you:
How to manage a slider snap-to behavior to make sure that the
indicator lines up with the ticks especially on Mac OS X.
You will access this tutorial through "Tutorials Picker" a free
plugin that interfaces with the So Smart Software website in order to
display all available tutorials stacks directly from the web.
You will find it by going to http://www.sosmartsoftware.com/.
Revolution/Plugins or Tutorials section.

Le 5 déc. 06 à 21:43, Peter T. Evensen a écrit :

Is there a built-in way to create a slider that only stops at
increments of x (e.g., of 20, from 0 to 100, so 0, 20, 40, 60, 80,
100)?

Thanks!

Peter T. Evensen
http://www.PetersRoadToHealth.com
314-629-5248 or 888-682-4588
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Peter T. Evensen
http://www.PetersRoadToHealth.com

314-629-5248 or 888-682-4588


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Re: slide with multiples of x?

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