Re: [clutter] scrolling

[Emmanuele Bassi <ebassi gmail com>]

hi;

On 8 November 2012 16:33, Patrick Shirkey <pshirkey boosthardware com> wrote:

> What is the best way to handle a scrollable area with clutter-1.10.8?
>
> I have a widget that is larger than the available real estate and I would
> like to be programatically scroll it.
>
> Should I draw the widget once and move it around inside a container hiding
> the area that is outside of the container boundaries or should I redraw
> the entire widget for every scroll event?

you can do a translation inside apply_transform() in the parent of the
widget, and clip it.

you can have a look at how ClutterScrollActor works in Clutter 1.12;
the actor is pretty much self-contained, so you can even reuse its
code, if the license allows it.

ciao,
 Emmanuele.


--
W: http://www.emmanuelebassi.name
B: http://blogs.gnome.org/ebassi/