On Mon, Dec 12, 2011 at 10:56:40AM -0800, Chase Douglas wrote: > This just makes it absolutely clear that clients should not make any > assumptions about future touch ID values. > > I also added "strictly monotonically" increasing to the definition of > touch IDs. It's a more precise definition of the protocol. > > Signed-off-by: Chase Douglas <[email protected]> > --- > specs/XI2proto.txt | 8 +++++--- > 1 files changed, 5 insertions(+), 3 deletions(-) > > diff --git a/specs/XI2proto.txt b/specs/XI2proto.txt > index ba5f7b7..8e4f948 100644 > --- a/specs/XI2proto.txt > +++ b/specs/XI2proto.txt > @@ -2149,9 +2149,11 @@ may not be the logical center of the touch. > > Touch tracking IDs are provided in the detail field of touch events. Its > value is always provided in every touch event. Tracking IDs are > -represented as unsigned 32-bit values and increase in value for each new > -touch, wrapping back to 0 upon reaching the numerical limit of IDs. IDs are > -globally unique. > +represented as unsigned 32-bit values and increase strictly monotonically in > +value for each new touch, wrapping back to 0 upon reaching the numerical > limit > +of IDs. The distance between two touch IDs is indeterminate. Clients may not > +assume that any future touches will have specific touch IDs. IDs are globally > +unique.
s/distance/increment/ maybe? or whatever the right word is here. Reviewed-by: Peter Hutterer <[email protected]> either way Cheers, Peter _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
