Bug 77769

Summary:	Add touch support to weston's Wayland backend
Product:	Wayland	Reporter:	Jason Ekstrand <jason>
Component:	weston	Assignee:	Wayland bug list <wayland-bugs>
Status:	RESOLVED FIXED	QA Contact:
Severity:	enhancement
Priority:	medium	CC:	stu_dby
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Jason Ekstrand 2014-04-22 15:22:46 UTC

Right now, Weston's nested Wayland backend doesn't support touch screens.  We really should change this as it would be nice for testing.

Adding touch support should be fairly easy and would make a good project for someone who is new to the Wayland and Weston codebases.

Comment 1 Boyan Ding 2014-05-06 02:27:10 UTC

Hi, I'm new to wayland and looking to work on it. I've implemented part of this according to the code of pointer device but I met some problems.

My understanding of this project:
1. implement the functions of a wl_touch_listener struct and in each function
2. update the status of corresponding frame(if exists) and notify the event.

The problem I met are:
1. In implementing "motion" function of the touch listener. I didn't find the frame function in shared/frame.c. Are we missing a function named 'frame_touch_motion'(like frame_pointer_motion)?
2. Do we have to take action on the "frame" or "cancel" event of wl_touch? If so, what should we do?

Please forgive my probably stupid questions for I'm still new to wayland and weston.

Comment 2 Boyan Ding 2014-05-08 00:02:45 UTC

Patches posted at:
http://lists.freedesktop.org/archives/wayland-devel/2014-May/014647.html
http://lists.freedesktop.org/archives/wayland-devel/2014-May/014648.html

Comment 3 Daniel Stone 2018-06-04 09:31:27 UTC

This landed ages ago.

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