Pascal Getreuer 544ddde113 [Core] Add Chordal Hold, an "opposite hands rule" tap-hold option similar to Achordion, Bilateral Combinations. (#24560) ... * Chordal Hold: restrict what chords settle as hold * Chordal Hold: docs and further improvements * Fix formatting. * Doc rewording and minor edit. * Support Chordal Hold of multiple tap-hold keys. * Fix formatting. * Simplification and additional test. * Fix formatting. * Tighten tests. * Add test two_mod_taps_same_hand_hold_til_timeout. * Revise handing of pairs of tap-hold keys. * Generate a default chordal_hold_layout. * Document chordal_hold_handedness(). * Add license notice to new and branched files in PR. * Add `tapping.chordal_hold` property for info.json. * Update docs/reference_info_json.md * Revise "hand" jsonschema. * Chordal Hold: Improved layout handedness heuristic. This commit improves the heuristic used in generate-keyboard-c for inferring key handedness from keyboard.json geometry data. Heuristic summary: 1. If the layout is symmetric (e.g. most split keyboards), guess the handedness based on the sign of (x - layout_x_midpoint). 2. Otherwise, if the layout has a key of >=6u width, it is probably the spacebar. Form a dividing line through the spacebar, nearly vertical but with a slight angle to follow typical row stagger. 3. Otherwise, assume handedness based on the widest horizontal separation. I have tested this strategy on a couple dozen keyboards and found it to work reliably. * Use Optional instead of `| None`. * Refactor to avoid lambdas. * Remove trailing comma in chordal_hold_layout. * Minor docs edits. * Revise to allow combining multiple same-hand mods. This commit revises Chordal Hold as described in discussion in https://github.com/qmk/qmk_firmware/pull/24560#discussion_r1894655238 1. In "RCTL_T(KC_A)↓, RSFT_T(KC_C)↓, RCTL_T(KC_A)↑" before the tapping term, RCTL_T(KC_A) is settled as tapped. 2. In "RCTL_T(KC_A)↓, RSFT_T(KC_C)↓, RSFT_T(KC_C)↑", both RCTL_T(KC_A) and RSFT_T(KC_C) are settled as tapped. 3. In "RCTL_T(KC_A)↓, RSFT_T(KC_C)↓, KC_U↓" (all keys on the same side), both RCTL_T(KC_A) and RSFT_T(KC_C) are settled as tapped. 4. In "RCTL_T(KC_A)↓, RSFT_T(KC_C)↓, LSFT_T(KC_T)↓", with the third key on the other side, we allow Permissive Hold or Hold On Other Keypress to decide how/when to settle the keys. 5. In "RCTL_T(KC_A)↓, RSFT_T(KC_C)↓" held until the tapping term, the keys are settled as held. 1–3 provide same-hand roll protection. 4–5 are for combining multiple same-hand modifiers. I've updated the unit tests and have been running it on my keyboard, for a few hours so far, and all seems good. I really like this scheme. It allows combining same-side mods, yet it also has roll protection on streaks. For me, this feels like Achordion, but clearly better streak handling and improved responsiveness. * Fix formatting. * Add a couple tests with LT keys. * Remove stale use of CHORDAL_HOLD_LAYOUT. * Fix misspelling lastest -> latest * Handling tweak for LTs and tests. * Fix formatting. * More tests with LT keys. * Fix formatting.		2025-01-27 12:32:23 +01:00
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qmk	[Core] Add Chordal Hold, an "opposite hands rule" tap-hold option similar to Achordion, Bilateral Combinations. (#24560)	2025-01-27 12:32:23 +01:00
kle2xy.py	[kle2info] Trim the code in kle2xy (#8955)	2020-05-15 12:09:22 -07:00