Hi Richard, Paul and Ken,
I would add some points to your today enjoyment about scrollbars ;-)
1. It is a Mac OS issue since there are no ticks on Windows scrollbars... (I love ergonomics!)
2. You are right, the workaround does work from 4 to 15, but not for 2, 3 or more than 15!
3. In the scrollbarDrag handler, I prefer set the thumbPos of me to round(the thumbPos of me) to set the thumbPos of me to the thumbPos of me:
Using round function allows the cursor to follow exactly the mouse movement and snap gently at mouseUp
Without round function, the cursor snaps when the mouse is down (it always wins this terrific struggle...) and I don't like interface elements that don't obey to the user (i.e. me :-)
That's with OS X, I don't test it with Win32.
Thanks for bugzilla this irritating feature.
Best regards,
Le 2 mars 05, � 16:22, Richard Gaskin <[EMAIL PROTECTED]> a �crit :
�ric Chatonet wrote:I proposed a little script to manage a scrollbar with snap-to behavior so the indicator lines up with the ticks (displayed with Mac OS). In fact, my script (changing the numberFormat property) was too much complicated. The following code is enough to do the job:
on scrollbarDrag pPos
set the pageInc of me to the endValue of me / (the endValue of me + 1)
end scrollbarDrag
--------------------------------
on mouseUp
set the thumbPos of me to round(the thumbPos of me)
end mouseUp
The behavior seems to work the same here for me with a script containing
only:
on mouseUp set the thumbPos of me to the thumbpos of me end mouseUp
Since the thumbpos is an integer, it does the post-drag snap-to. I had hoped to find a snap-as-you-go behavior, and I've gotten close but it's still a tad jerky (if only we had a preScrollBarDrag message <g>).
But here's where things get freaky - try this at home:
1. Make a new mainstack 2. Drop a scale onto it 3. Set these properties: startValue: 1 endValue: 5 pageInc: 1 lineInc: 0 thumbsize: 1
Freak-o-rama: I see a slider with 4 (count 'em, four!) tick marks. With a scale of 1 to 5, I would expect 5.
Ultra-freak-o-rama: �ric's has the same properties set just like mine, but his has 5 (count 'em, five!) tick marks.
Works the same in Rev and MC.
The mystery deepens: I can copy �ric's, change the endValue to 6, and
get 6 tick marks. But if I change the endValue to 4 I get 3 tick marks.
How comes such to be? :\
You can examine both scrollbars here:
go url "http://fourthworld.net/scroll_bar_test.mc";
Paul Looney, Ken Ray, and I have scratched our heads over this today.
Mystified?
It turns out that while Eric's first handler doesn't affect behavior, it
does affect appearance. This bit:
on scrollbarDrag pPos set the pageInc of me to the endValue of me/(the endValue of me +1) end scrollbarDrag
...apparently takes care of a bug in the engine. As soon as you scroll it you get the tick marks appearing as you would expect. Apparently this continues to work even with that handler disabled until the next time the pageInc or thumbSize is set.
I could't find a Bugzilla report for this, so I just filed one: <http://support.runrev.com/bugdatabase/show_bug.cgi?id=2644>
Freaky, but at least there's a workaround.
Thanks, �ric.
Amicalement,
Eric Chatonet. ---------------------------------------------------------------- So Smart Software
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