pqrs-org/Karabiner-Elements

Remapping Left click does not work on the trackpad

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#2157 opened on Feb 16, 2020

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 (30 comments) (10 reactions) (0 assignees)C++ (22,112 stars) (909 forks)batch import
bughelp wanted

Description

The code below doesn't work.

{
  "type": "basic",
  "from": {
    "pointing_button": "button1"
  },
  "to": [
    {
      "key_code": "a"
    }
  ]
}

My goal is to rebind ctrl click to command click but simply rebinding button1 isn't working at all. the rules from the import page that relates to rebinding ctrl click to disable it don't work either.

I'm on macOS mojave 10.14.6 using Karabiner Elements 12.9.0

Contributor guide

Tech stack
cpp
Domain
desktop
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Basic knowledge of Karabiner Elements configurationUnderstanding of macOS input events
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25
Research direction
Investigate how Karabiner Elements handles trackpad events versus mouse events. Look at the event tap implementation in the source code to see if button1 from trackpad is captured correctly. Check the core/event queue files for any differences in pointing device handling. Review linked issues or comments for any known workarounds or fixes.