Re: [Usability] Zooming in HIG3

[Philip Ganchev <phil ganchev gmail com>]

I agree, it should be Ctrl+scroll-wheel.

Also, the slider should have a "+" button and a "-" button. The one
shown in the HIG does not.


On Fri, Jan 21, 2011 at 6:33 PM, Peter Clifton <pcjc2 cam ac uk> wrote:
> Hi,
>
> I was just taking a look at the HIG3, and found something which
> disturbed me in the zooming document:
> http://live.gnome.org/UsabilityProject/HIG3/Zooming
>
> Specifically, the section:
>
> "To zoom in or out of the image using the mouse, move the mouse pointer
> to the area of the image on which you wish to zoom. Then:
>
>      * Move the scrollwheel upwards to zoom in
>      * Rotate the scrollwheel downwards to zoom out"
>
>
> This may be a common idiom in (arguably broken) image viewers, but it
> presents an inconsistent user interface for those with the increasingly
> common kind of touch-pad which has built in horizontal as well as
> vertical scrolling.
>
> Call me nuts for thinking that the "scroll" wheel on the mouse should by
> default "scroll" your document, not zoom it.
>
> For most of the applications I use in gnome, "Ctrl + Scroll-wheel" is
> the standard short-cut for zooming with the mouse, with "Shift +
> Scroll-wheel" used to emulate a horizontal scroll for input devices
> without such hardware.
>
> Just to note.. gimp uses the bindings I describe, with
>
> unmodified scroll -> vertical scroll
> shift + scroll    -> horizontal scroll
> ctrl + scroll     -> zoom
>
> Regards,
>
> --
> Peter Clifton
>
> Electrical Engineering Division,
> Engineering Department,
> University of Cambridge,
> 9, JJ Thomson Avenue,
> Cambridge
> CB3 0FA
>
> Tel: +44 (0)7729 980173 - (No signal in the lab!)
> Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me)
>
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