On Mon, Dec 16, 2013 at 01:02:41AM -0800, Matt Turner wrote: > On Sun, Dec 15, 2013 at 3:49 PM, Peter Hutterer > <[email protected]> wrote: > > Some touchpads provide BTN_TOOL_TRIPLETAP but do not track more than two > > touchpoints. For those, try to detect clickfinger3 actions as best as we > > can. > > > > Signed-off-by: Peter Hutterer <[email protected]> > > --- > > src/synaptics.c | 22 ++++++++++++++++++++++ > > 1 file changed, 22 insertions(+) > > > > diff --git a/src/synaptics.c b/src/synaptics.c > > index e391a98..a421384 100644 > > --- a/src/synaptics.c > > +++ b/src/synaptics.c > > @@ -2510,6 +2510,28 @@ clickpad_guess_clickfingers(SynapticsPrivate * priv, > > close_point >>= 1; > > } > > > > + /* Some trackpads touchpad only track two touchpoints but announce > > + BTN_TOOL_TRIPLETAP (which sets hw->numFingers to 3). > > + This can affect clickfingers, in the following ways: > > + * one finger down: normal click > > + * two fingers down, close together: 2 finger click > > + * two fingers down, apart: normal click > > + * three fingers down, close together: 3 finger click > > + * three fingers down, with two grouped next to each other: should be > > + * 2-finger click but we can't detect this. > > + * so: if two detected fingers are close together and HW says three > > + * fingers, make it three fingers. > > + * if two detected fingers are apart and HW says three fingers, make > > + * it a two-finger click, guessing that the third finger is somewhere > > + * close to another finger. > > + */ > > + if (hw->numFingers >= 3 && nfingers < hw->numFingers) { > > + if (!nfingers) /* touchpoints too far apart apart */ > > Doubled apart.
that's how far they are apart :) _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
