Scrolling Smoothly through Large Scripts

[Scott Rossi]

Hi Ray:

Try this in a script that you can insert or remove from the front:

on rawKeyDown K
   if short name of the target is not "script" then pass rawKeyDown
   if ("stack" && quote & "revNewScriptEditor") is not in long owner of
the target then pass rawKeyDown
   put effective textHeight of the target into ETH
   if K is among the items of "65308,65309" then
      if K is 65308 then set vScroll of the target to (vScroll of the
target + ETH)
      if K is 65309 then set vScroll of the target to (vScroll of the
target + (ETH * -1))
      exit rawKeyDown
   end if
   pass rawKeyDown
end rawKeyDown

This works here and increments/decrements the scroll of the script editor
by a single line.


Regards,

Scott Rossi
Creative Director
Tactile Media, UX/UI Design




On 12/24/15, 12:17 PM, "use-livecode on behalf of Ray"
<use-livecode-bounces at lists.runrev.com on behalf of ray at linkit.com> wrote:

>Peter - thanks for the idea.  I've tried it along with a few variations
>on it but unfortunately to no avail.  I can see it getting trapped but
>for some reason my script editor window always jumps about 5 or 6 lines
>when I scroll one notch using the mouse wheel.  Any ideas?  I'm
>experimenting with a script window of about 3000 lines.
>
>On 12/24/2015 1:08 PM, Peter M. Brigham wrote:
>> Try this (untested). Put the following into a frontscript. Watch for
>>email-induced linebreaks.
>>
>> on rawkeydown n
>>     if not (the name of the selectedfield contains
>>"revNewScriptEditor") then pass rawkeydown
>>     if the optionkey is down then pass rawkeydown
>>     --  use optionkey to return to usual scrolling, for scanning
>>through long scripts
>>     put the long id of the selectedfield into sFld
>>     put the textheight of sFld into txtHt
>>     put the scroll of sFld into oldScr
>>     switch n
>>        case "65308" -- up
>>           set the scroll of sFld to oldScr + txtHt
>>           break
>>        case "65309" -- down
>>           set the scroll of sFld to oldScr - txtHt
>>           break
>>        default
>>           pass rawkeydown
>>     end switch
>> end rawkeydown
>>
>> -- Peter
>>
>> Peter M. Brigham
>> pmbrig at gmail.com
>> http://home.comcast.net/~pmbrig
>>
>> On Dec 24, 2015, at 11:59 AM, Ray wrote:
>>
>>> Seasons Greetings on Christmas Eve!
>>>
>>> Does anybody know how to scroll just one line per mouse-wheel movement
>>>through the script editor window?
>>>
>>> I typically view several thousand lines at a time.  Each push of the
>>>little scroll wheel on my mouse produces an abrupt 'jerk' of 10 or 15
>>>lines.  It's really hard on the eyes by the end of the day.
>>>
>>> Ideally scrolling would be totally smooth without even jerking one
>>>line at a time, but one line at a time is better than a random group at
>>>a time causing me to re-orient myself.
>>>
>>> Many thanks!
>>>
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