| Re: [AD] Touchpad gestures |
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On February 17, 2010, Peter Wang wrote:
> On 2010-02-18, Elias Pschernig <elias.pschernig@xxxxxxxxxx> wrote:
> > On Wed, 2010-02-17 at 17:54 -0500, Evert Glebbeek wrote:
> > > On 17 Feb 2010, at 17:47 , Elias Pschernig wrote:
> > > > I think it might be a good idea, but I would not make it a new
> > > > event type, instead just some extra mouse buttons. That would make
> > > > it very easy to have users configure those gestures in a game's
> > > > config screen.
> > >
> > > That doesn't sound intuitive to me.
> > > How would "rotate n degrees" map to a mouse button?
> > > If it's not a mouse button, I don't think we should treat it as such.
> > > Or did you mean something else?
> >
> > No, I thought it would just report the type of gesture, but without a
> > rotation value attached. It could be an additional axis in that case
> > then.
>
> We'll have too many buttons and axes, won't we? I think we should add a
> new event type, e.g. ALLEGRO_EVENT_GESTURE with a field that specifies
> the type of gesture, and a field (fields?) to indicate the degree of the
> gesture.
>
> How do the current mouse events work with multi-touch? Perhaps we need
> a field in ALLEGRO_MOUSE_EVENT to tell apart the different fingers?
The only thing I can imagine working well enough is a separate set of TOUCH
events. Even Xorg, OSX and I assume Windows all have separate TOUCH events
that handle all the things you expect, while leaving mouse stuff separate.
> Peter
>
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Thomas Fjellstrom
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