Bug 98801

Summary:	Allow a thumb-press to trigger a right-click when two fingers are on the pad and Clickfinger behavior is active
Product:	Wayland	Reporter:	Nate Graham <nate>
Component:	libinput	Assignee:	Wayland bug list <wayland-bugs>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	normal
Priority:	medium	CC:	nate, peter.hutterer
Version:	1.5.0
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Nate Graham 2016-11-21 05:12:42 UTC

I have an HP Spectre x360 (Kaby Lake) with a touchpad, running Fedora 25, GNOME 3.22, Wayland, and libinput 1.5.1 (release 1.fc25).

I would like to be able to trigger Clickfinger behavior using my thumb, not my fingers: when I have two fingers on the pad and I want to right-click, I would like to be able to press down with my thumb, not only the two fingers.

Comment 1 Peter Hutterer 2016-11-23 05:06:15 UTC

See also my comment 6 in bug 98800 - the problem is (with your touchpad) that once you have two fingers down, we do not get the position of the third, fourth, .. finger. So all we know is "third finger down" but we don't know where. So we don't know whether it was a thumb (ignore!) or a third finger (middle click!).

This cannot be fixed until RMI4 is commonplace in the kernel, feel free to re-open this bug then. But for now, you're stuck with this behaviour, at least on your touchpad. Sorry

Comment 2 Nate Graham 2016-11-23 06:10:54 UTC

Darn, another casualty of not being able to disable middle-click! Since then you could be sure it was a right-click with an ignored thumb. https://bugzilla.gnome.org/show_bug.cgi?id=774873

Could you implement the desired behavior only if middle-clicking was disabled? Or should we just wait for RMI4 support? If so, should I close this bug, or keep it in the RESOLVED WONTFIX state until that time, and then move it back to UNRESOLVED?

Comment 3 Peter Hutterer 2016-11-23 09:08:49 UTC

RMI4 is more-or-less around the corner, by the time I'd have this feature implemented and it trickles down to distros, it should be close to being released. so IMO it makes more sense just waiting and then figuring out the bugs if it still doesn't work. 

When you have RMI4 and it still doesn't work, just open a new bug please, that's easier and less confusing to others that find the bug and then wonder why it doesn't work the same for them.

Comment 4 Nate Graham 2016-11-23 14:35:20 UTC

All right.

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