Mouse wheel, scrolling and zooming

[Andre Majorel]

On 2010-08-02 10:31 -0300, Thiago Macieira wrote:
> On Monday 2. August 2010 04.35.40 Andre Majorel wrote:
> > What would you use in an application to scroll in two dimensions
> > and zoom in/out with the mouse wheel ?
> > 
> > Inkscape and (recent) Gimp use :
> > - no modifier: vertical scroll
> > - shift: horizontal scroll
> > - ctrl: zoom
> 
> KDE uses:
> 
> no modifier: vertical scroll if vertical scrollbars are present
> ctrl: zoom
> alt: horizontal scroll
> 
> If only the horizontal scrollbars are present, then unmodified
> buttons 4 and 5 cause horizontal scroll too. Buttons 6 and 7
> always cause horizontal scroll.
> 
> The Alt behaviour comes from Qt (since 3.0, in 2002), whereas
> the Ctrl behaviour is usually added by applications that
> support zooming.

Thanks. Do you see a reason to prefer alt over shift or
vice-versa for horizontal scrolling ?

The apps that use shift for horizontal scrolling scroll *left*
when the wheel goes *up*. Am I the only one to find that
backward ? Does KDE scroll left or right for wheel up ?

-- 
André Majorel http://www.teaser.fr/~amajorel/