From eeac661d93f15c683c295c0304e3813a6502516c Mon Sep 17 00:00:00 2001 From: Peter Hutterer Date: Fri, 6 Feb 2015 14:32:05 +1000 Subject: [PATCH] doc: document that we're ignoring position-less clicks This can happen a lot easier on the new Lenovo series, so document that this is intentional behavior. Signed-off-by: Peter Hutterer --- doc/clickpad-softbuttons.dox | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/clickpad-softbuttons.dox b/doc/clickpad-softbuttons.dox index d9ebfbb..8d91936 100644 --- a/doc/clickpad-softbuttons.dox +++ b/doc/clickpad-softbuttons.dox @@ -54,6 +54,13 @@ The movement of a finger can alter the button area behavior: - once a finger has moved out of the button area, it cannot move back in and trigger a right or middle button event +On some touchpads, notably the 2015 Lenovo X1 Carbon 3rd series, the very +bottom end of the touchpad is outside of the sensor range but it is possible +to trigger a physical click there. To libinput, the click merely shows up as +a left button click without any positional finger data and it is +impossible to determine whether it is a left or a right click. libinput +ignores such button clicks, this behavior is intentional. + @section clickfinger Clickfinger behavior This is the default behavior on Apple touchpads. -- 2.7.4