Wheel-scrolling in comboboxes (Re: kdelibs/kdeui)

David Faure david at mandrakesoft.com
Wed Oct 23 08:41:06 BST 2002

Hash: SHA1

On Wednesday 23 October 2002 02:51, Aaron J. Seigo wrote:
> On Tuesday 22 October 2002 05:14, Ingo Klöcker wrote:
> > On Tuesday 22 October 2002 21:51, Alexander Neundorf wrote:
> > > On Tuesday 22 October 2002 10:29, David Faure wrote:
> > > > On Tuesday 22 October 2002 02:37, Aaron J. Seigo wrote:
> > > > > so we take care of some comboboxes (kcombobox, but not those that
> > > > > just use qcombobox), and neuter them just because we don't like
> > > > > how it behaves in the konqueror url box? not that someone ever
> > > > > accidently wheel scrolls over it (do they?)
> > > >
> > > > Yes they do. My family's "end users" happen to ;)
> > >
> > > Yes, me too.
> >
> > And me. If it didn't happen to anyone we wouldn't have changed it,
> > right?
> well, i can understand accidently scrolling over comboboxes in webpages. i've
> done that. i'm just a bit surprised that people are accidently scrolling over
> comboboxes elsewhere in the UI. it's a bit like accidently clicking on
> things. it can and does happen, but we don't disable clicking on everything0
> =)

Not really. When you click, you obviously look where the mouse pointer is.
But when you wheelscroll, all that matters is that the mouse is somewhere on
the page, which is usually the case, so people don't check that. If you imagine
a single webbrowsing window, maximized, then you have 90% chances of
being on the page, only 5% chances of being on the location bar, and 5%
chances of being on something else that can't scroll at all (toolbars, menus).
So accidents happen: people just wheelscroll away without checking where
the mouse pointer is, and in 5% of the cases they end up wheelscrolling
the location bar.

> as for the patch i posted earlier, the latency could be lowered much lower
> than .5 seconds (it was just a number a picked out of the air, really) ...
But if it's too short it's pointless, and if it's not short then you can submit a
form or dialog with the wrong value. I don't think this is a solution.

> however, i know this is a doomed idea. too many people want to see scrolling
> disabled everywhere, it seems.

Not everywhere, only on _closed_ comboboxes....

- -- 
David FAURE, david at mandrakesoft.com, faure at kde.org
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