W3C home > Mailing lists > Public > www-style@w3.org > July 2010

Taking a look at overflow: pan

From: Charles Pritchard <chuck@jumis.com>
Date: Thu, 29 Jul 2010 13:24:20 -0700
Message-ID: <4C51E374.50800@jumis.com>
To: www-style@w3.org
This is a cross-post original sent to the whatwg mailing list.
Style is a more appropriate section for it.

I'm suggesting an additional attribute usable with the overflow property,
suggesting that the UI allow the user to "pan" hidden content, falling
back on scroll bars.

"overflow: scroll pan;" could allow user agents to display a window
with additional content, without necessarily showing traditional scroll 
bars.


Original message below.

....

Hey all,

I've been working on a project which implements tiled scrolling...
Today from Ajaxian I saw the YUI 3 update, included in it is an 
implementation
of ScrollView.

ScrollView is in some sense: overflow: pan;

It's similar to overflow: scroll, but instead of showing scroll bars, it 
allows
the user to pan across the element, showing scroll indicators.

This causes some implementation difficulties when it comes to text 
selection.

Android, iOS (Apple) and YUI are supporting this style of 
overflow/scrolling.
SVG and other vector based viewers have often had panning options.

YUI shows, pretty clearly, how an element like "overflow: pan;" would
work in typical web-based content.

Here's their example (admittedly, with turbulence) :
http://yuiblog.com/sandbox/yui/3.2.0pr1/examples/scrollview/index.html

It's a thought. I've worked hard to on my naming schemes, to match them
with standards where I can. The ScrollView is just a one-off from what 
we're already dealing with
with overflow: scroll.


-Charles
Received on Thursday, 29 July 2010 20:25:18 GMT

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