Re: Touch support in Abiword

Le mardi 17 juillet 2012 à 14:25 +0200, Carlos Garnacho a écrit :
> Hello :),
> 
> On lun, 2012-07-16 at 12:54 -0300, Gonzalo Odiard wrote:
> > Hi,
> > In the Sugar environment, we are doing work to support touch in our
> > user interfaces.
> > Thanks to Abiword port to gtk3, should be possible use touch to do
> > text selection in our Write activity too.
> > The proposed behaviour was detailed by Gary Martin here
> > http://wiki.sugarlabs.org/go/Design_Team/Sugar_Shell_Touch_Input#Text_editing
> > and is being implemented by Carlos Garnacho in gtk
> > http://git.gnome.org/browse/gtk+/log/?h=touch-text-selection
> > I have read,  Abiword was used in other mobile envs in the past,
> > maybe there are code useful already present in the code,
> > and I don't know how much code from gtk can be used in the Abiword canvas.
> > How do you think should be the best way to implement touch text
> > selection in Abiword?
> 
> From what I gathered, there are two things that might need to be
> reimplemented on Abiword so it's on par with GTK+ widgets wrt touch
> friendliness,
> 
> * touch/kinetic scrolling: This is implemented in GtkScrolledWindow
> through 3.0's GtkWidget::captured-event, as Abiword doesn't use this
> widget for scrolling support, this piece of code has to be reimplemented

This is probably easy. Just needs a volunteer owning appropriate
hardware.

> * text selection, in that branch, there's a private GtkTextHandle helper
> object that text widgets use to manipulate the selection, if it remains
> private API, Abiword could need its own copy of it.

I seriously doubt this can be of any help for Abiword. The models are
too much different.

Cheers,
Jean