Mouse wheel, scrolling and zooming
Andre Majorel
aym-11x at teaser.fr
Mon Aug 2 07:18:11 PDT 2010
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/
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