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Addition to the Apple Globe key code to QMK #24661

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The change brings the Apple Globe Key as KC_GLOBE to QMK.

Description

The change is based mainly on @lordpixel23 QMK patch and is being discussed in depth in QMK Apple Fn Key created by @fauxpark.

Importantly, this change does not rely on VID/PID to be set on specific values.

In addition to the patch mentioned above, it introduces a new compilation flag, GLOBE_KEY_ENABLE such that:
(a) the required KEYBOARD_SHARE_EP is enabled when the Globe keycode is used
(b) keyboards or user layouts can make use of this definition for further customizations

The QMK documentation has been amended accordingly.

Certain key combinations are not yet working, though; in particular, 🌐︎+arrow or 🌐︎+FN do not work.

Thanks go to the input of many contributors, as this topic has been long discussed: @fauxpark, @HVR88, @drashna, and @lordpixel23.

Types of Changes

  • Core
  • Bugfix
  • New feature
  • Enhancement/optimization
  • Keyboard (addition or update)
  • Keymap/layout (addition or update)
  • Documentation

Issues Fixed or Closed by This PR

Checklist

  • My code follows the code style of this project: C, Python
  • I have read the PR Checklist document and have made the appropriate changes.
  • My change requires a change to the documentation.
  • I have updated the documentation accordingly.
  • I have read the CONTRIBUTING document.
  • I have added tests to cover my changes.
  • I have tested the changes and verified that they work and don't break anything (as well as I can manage).

@github-actions github-actions bot added core documentation dd Data Driven Changes labels Nov 30, 2024
@tzarc tzarc changed the base branch from master to develop November 30, 2024 12:51
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I'll leave the rest of the review for the team -- they know more about the status of this stuff than what I do.

data/constants/keycodes/keycodes_0.0.4_basic.hjson Outdated Show resolved Hide resolved
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ChrisGVE and others added 2 commits November 30, 2024 17:34
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SHARE_EP_ENABLE was incorrectly set with GLOBE_KEY_ENABLE, what was
needed is to set the KEYBOARD_SHARED_EP instead. This corrects it.
data/constants/keycodes/keycodes_0.0.7_basic.hjson Outdated Show resolved Hide resolved
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ChrisGVE and others added 3 commits November 30, 2024 18:41
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
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ChrisGVE and others added 2 commits December 1, 2024 11:14
Co-authored-by: Ryan <fauxpark@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>
@fauxpark fauxpark self-assigned this Dec 2, 2024
@github-actions github-actions bot added the keymap label Dec 2, 2024
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fauxpark commented Dec 2, 2024

Please undo the last merge commit.

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fauxpark commented Dec 2, 2024

Now everything else is gone...

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ChrisGVE commented Dec 2, 2024

Ok we should be back on track, sorry about the mishap.

@@ -327,6 +327,8 @@ static inline uint16_t KEYCODE2CONSUMER(uint8_t key) {
return AC_DESKTOP_SHOW_ALL_WINDOWS;
case KC_LAUNCHPAD:
return AC_SOFT_KEY_LEFT;
case KC_GLOBE:
return AC_NEXT_KEYBOARD_LAYOUT_SELECT;
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Looks like this KC_GLOBE does exactly that, and only suitable for switching layouts, not really sending Globe codes.

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@ChrisGVE ChrisGVE Dec 2, 2024

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Strictly speaking, you are right, but in practice, on a Mac, it operates as a key.

  • pressed alone, it triggers the emoji picker (or what is configured in the Mac settings for the Keyboard)
  • it can be used as a "modifier" with specific keys, for instance
    • Globe+A to toggle the dock when hidden,
    • Globe+C to toggle control center,
    • Globe+F to toggle full screen,
    • Globe+H to show the desktop,
    • Globe+N to toggle Notification Center,
    • Globe+Q launch notes.

Unfortunately, there are other cases where I have yet to have success. In particular, Globe+Arrow keys combinations, but I typically use 60% keyboards, so arrow keys are hard to test with those.

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If the keycode works on Windows/Linux too (but as layout select), then it would be worth having appropriate aliases too.

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I don't have a pure Windows or Linux machine, but I can investigate using a virtual machine. I'll see whether I have time tomorrow to try that.

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Windows does not seem to react to the AC Next Keyboard Layout Select usage, but I can see it coming in through Wireshark.

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You're right about the VM. Indeed, this is what happens when I connect to work via Citrix (the reason so many of my colleagues have keyboard problems). I'll try it again by configuring Parallels properly. I'll do a search, but by any chance, do you know any Linux software that would capture keyboard events like Karabiner on the Mac?

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I succeeded in passing all my keypresses to the Linux session running in VM. I've monitored the keypresses using xev, which is pretty basic but does the job. Like with Windows, the result is no report of any key being pressed when using either the Globe on its own or in combination with another key.

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I figured that might be the case, considering X keysyms only go up to something like 240; KEY_KBD_LAYOUT_NEXT has a value of 584. evtest might have better info, but even so, I'm not sure what the mechanism(s) would be, if any, to get the key to do something useful.

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Actually xkeyboard-config has support for KEY_KBD_LAYOUT_NEXT in symbols/inet since xkeyboard-config-2.33 (the <I592> keycode (linux_input_keycode + 8, as usual) gets mapped to ISO_Next_Group). The problem is that the X protocol does not support keycode values above 255, therefore that mapping would work only in Wayland.

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Well, clearly, there is atm only a use case for macOS but it is a big one for Apple users. I'd wish to know how to make all the other combinations work but that's already a beginning that would benefit this group of users.

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6 participants