[webkit-gtk] WebKitGTK+ 2.7.1 released!

Sven Schwedas sven.schwedas at tao.at
Wed Oct 29 01:19:59 PDT 2014

On 2014-10-29 08:25, Gavin Lambert wrote:
>> Just out of curiosity, but what's that context where zoom gesture not
>> working is a good thing?
> It's a kiosk app that displays a full-screen page (mostly consisting of an SVG image viewboxed to fit the screen, but there's some HTML content too), with scrollbars disabled.  Zooming causes the HTML parts to not display as intended, although it leaves the SVG alone.  And the target audience isn't expected to know how to unzoom -- zooming would be presumed to be accidental rather than intentional (eg. as a result of two different people touching the screen at once).
> I suppose we could just tell everyone to get single-touch screens but for some reason the multi-touch ones are cheaper now.
> And I doubt this use-case is unique -- there are a lot of touch-maps, info kiosks, ticket kiosks, and interactive ad-screens popping up in malls and airports etc.

+1, I'm maintaining a similar kiosk app where everything but single taps
(even drag and drop) is disabled to prevent users from (accidentally or
intentionally) messing with the page layout.

We're still using single-touch panels though, would it be
possible/useful to disable multi-touch on the driver/X11 level for this
use case?

>>> (FWIW, tap and drag already worked with the touchscreen that I'm
>>> using.
>> Tap and drag work in WebKit1 using a recent enough GTK+ version, because
>> those features are implemented by GtkScrolledWindow.
>>>   Although oddly right-click via EmulateThirdButton appears to have
>>> stopped working somewhere between 1.8.1 and 2.4.5, but as this was
>>> also Debian wheezy => jessie the fault may lie elsewhere.)
> If it helps, GTK+ went from 2.24.10 to 2.24.24.
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Mit freundlichen Grüßen, / Best Regards,
Sven Schwedas
TAO Beratungs- und Management GmbH | Lendplatz 45 | A - 8020 Graz
Mail/XMPP: sven.schwedas at tao.at | +43 (0)680 301 7167

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