iScroll2 Worked - FFScroll Does Not
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pete-woods,
tawsi
I uninstalled iScroll2 which worked, though I noticed that it was
nowhere as linear as a new aluminum trackpad driver on a new al
powerbook (I well Apple computers so I use them during the day at
work all the time - mine is an older 1.25GHtz Al powerbook prior to
scroll trackpad).
After getting rid of all vertiges of iScroll2 so that FF scroll would
install I did it. I turned on vertical and Horizontal scrolling but nothing
happens. I put down two fingers and they fight each other and no
scroll action. I turned off circular scrolling but no difference. Also
restarted twice.
Can't figure out why it doesn't work when iScroll2 did.
Any ideas?
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If all you want is two-finger scrolling then I would recommend iScroll2 over
FFScroll at the moment.
This feature is much more difficult to implement when the pad is running in
absolute mode
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If all you want is two-finger scrolling then I would recommend iScroll2 over
FFScroll at the moment.
This feature is much more difficult to implement when the pad is running in
absolute mode because we have to do our own detection of whether two
fingers are on the pad. Because iScroll2 runs it in realtive mode (which
disallows all the other features) it is just told by the pad that two fingers are
down, which is obviously a lot easier.
You may, however, want to try adding a hotspot scroll area as in my
opinion these are a lot more functional than two-finger reagions.
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What the other comment said. In absolute mode the pad sends
6 bits of contact data from which the driver has to
determine if 2 fingers are on the pad or not. By default the
settings are quite conservative to make accidental detection
of 2 finger scrolling unlikely (which we found more annoying
than not detecting scrolling). I've noticed since installing
from the pkg, which reverted my laptop to the presets that 2
finger scrolling is more difficult (I'm almost 100% certain
no code in the two finger detection has changed so its all
in the presets). I have some ideas for making a better 2
finger detection system but i'd rather leave it til we have
ironed out the other bugs in the driver.
Settings you can change to make 2 finger scrolling easier to
detect include
Samples to log -- The number of previous trackpad contact
values stored to test for 2 finger contact
Sample accept threshold -- The value at which finger contact
is assumed to be 2 fingers rather than 1, lowering this
below 50 will probably result in it almost always thinking
you have 2 fingers on the pad.
Sample accepts to begin -- the number of stored contact
values that must be above the accept threshold in order to
start scrolling