HHKB Studio

bought during in 2024 during Japan May 2024–

PROBLEM: have not found a way yet to achieve Thinkpad MMB behavior—i.e. make the middle mouse button work simultaneously for

scrolling (MMB hold + trackpoint), and
mouse wheel click (=pasting/opening links in new tabs/closing tabs)

manual: https://happyhackingkb.com/manual/studio/ug-us/en/ug/topic/connect_bluetooth.html

hotkeys

switch to Bluetooth pairing mode: Fn + Q (long hold)
turn off Bluetooth pairing mode: Fn + X
switch between Bluetooth connections Fn + Ctrl + 1/2/3/4
switch to USB mode: Fn + Ctrl + 0
switch between profiles: Fn + C → 1/2/3/4

Key remapping

With HHKB Studio Keymap Tool

( ↑ on profile 2, used for macOS, w/o the win/alt switch)

Without HHKB Studio Keymap Tool

on Linux

get device ID
- $ xinput -list | grep HHKB
dump keyboard layout
- xkbcomp -i <ID> $DISPLAY hhkb.xkb
edit as shown below

-     key  <ESC> { [ Escape ] };
+     key  <ESC> { [ grave ] };
-     key <TLDE> { [ grave, asciitilde ] };
+     key <TLDE> { [ BackSpace ] };
-     key <LALT> { [ Alt_L, Meta_L ] };
+     key <LALT> { [ Super_L ] };
-     key <DELE> { [ Delete ] };
+     key <DELE> { [ backslash ] };
-     key <LWIN> { [ Super_L ] };
+     key <LWIN> { [ Alt_L ] };
-     modifier_map Mod1 { <LALT> };
+     modifier_map Mod1 { <LWIN> };
-     modifier_map Mod4 { <LWIN> };
+     modifier_map Mod4 { <LALT> };
// FIXME: Shift + ` does not result in ~

apply
- xkbcomp -i <ID> hhkb.xkb $DISPLAY

on MacOS

simple modifications using Karabiner Elements
- delete_forward → backslash (\)
- escape → grave_accent_and_tilde (`)
- grave_accent_and_tilde (`) → delete_or_backspace