On Tuesday 22 September 2009, Chris Cannam wrote:

> I would be inclined to think that a single zoom wheel (perhaps
> vertically mounted at one end of the panner widget, with a button at
> top or bottom to reset it) that controlled zooming in both axes
> together would be the most useful _single_ control we could have --

That's about what I was thinking.

> However, I can't manage to persuade myself that we will actually get
> away without the horizontal zoom in the matrix.  I think there will be
> a lot of users who still want it.

I don't know if I expect that or not.  Lots of complaints over the years about 
not being able to zoom vertically.  Everything I've ever used zoom for, 
zooming in both axes is nice.  Zooming just in one axis used to suck, because 
you'd get these skinny

> It may be that we could get away
> with relegating it to a less obvious place (e.g. a smaller set of
> options in a menu somewhere), so that you can _choose_ a horizontal
> stretch/zoom factor,

Bah.  I have NOT gone all Guillaume/OS-X on us, but I'm still trying like hell 
to say no to new obscure things buried out of the way somewhere, or obscure 
configuration options.  Nobody will find these, and if they need to be buried, 
just dump them and be done with it.

So I'd argue if we really have to have a horizontal zoom, we need its 
counterpart, and all of this needs to be in plain sight, along with a 
mechanism for chaining them together.

Perhaps what we could try is an experiment.  Hide the slider for now, present 
one control for the two-axis zoom, and wait for someone to request independent 
control or a horizontal-only zoom.  Or maybe I will just wind up implementing 
this in layers.

I figure that's how I'm going to burn the rest of my vacation; hooking this 
up.  It's not critical priority, but it's on the list.
-- 
D. Michael McIntyre

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