On 05/08/2015 23:28, Steve Mills wrote:
On May 9, 2015, at 00:22:12, Jerry Krinock <je...@ieee.org> wrote:
Graham, from one who has been using your code since MacZoop, I say
thank you AGAIN :)
After using Apple’s NSSlider in circular style, I discovered other
issues in addition to the two mentioned in my original post…
- NSSlider has only one size.
- NSSlider requires the eyesight and dexterity of a 14-year-old to use
it.
-- In order to turn NSSlider “up” or “down”, the user must make a
circular motion on the mouse or trackpad. Yours works correctly: Drag
up or down in a straight line. This is the way the circular controls
in GarageBand work.
Go Graham!
Ditto, especially to the part about the correct way to mouse a knob.
Trying to run a mouse around a knob in a circular motion might be
intuitive, but it’s one of the worst motions you could do with a
mouse. You’d be better off training an actual mouse to push your mouse
in a circular motion. Up and down is far more natural and easier to
control, but I also think side to side is also intuitive and natural
as well. I’d offer both if I ever need to do this, just *never*
circular.
In our audio plug-ins, we have knobs that can be set to go either
circular or linear, or in cases where we can get the audio host
preference, we also allow "follow host", so that our knobs respond the
same way as the audio host (DAW) is set up. Our linear setting measures
the distance from an imaginary line running northwest to southeast
through the knob's center, so that either vertical or horizontal
movements work to turn them.
-Howard
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