* Map keycode to key name for modifyOtherKeys/CSI u sequences. * Handles both ASCII keycodes and Kitty keyboard protocol functional keys. * * Numpad codepoints are from Unicode Private Use Area, defined at: * https://sw.kovidgoyal.net/kitty/keyboard-protocol/#functional-key-definitions
(keycode: number)
| 489 | * https://sw.kovidgoyal.net/kitty/keyboard-protocol/#functional-key-definitions |
| 490 | */ |
| 491 | function keycodeToName(keycode: number): string | undefined { |
| 492 | switch (keycode) { |
| 493 | case 9: |
| 494 | return 'tab' |
| 495 | case 13: |
| 496 | return 'return' |
| 497 | case 27: |
| 498 | return 'escape' |
| 499 | case 32: |
| 500 | return 'space' |
| 501 | case 127: |
| 502 | return 'backspace' |
| 503 | // Kitty keyboard protocol numpad keys (KP_0 through KP_9) |
| 504 | case 57399: |
| 505 | return '0' |
| 506 | case 57400: |
| 507 | return '1' |
| 508 | case 57401: |
| 509 | return '2' |
| 510 | case 57402: |
| 511 | return '3' |
| 512 | case 57403: |
| 513 | return '4' |
| 514 | case 57404: |
| 515 | return '5' |
| 516 | case 57405: |
| 517 | return '6' |
| 518 | case 57406: |
| 519 | return '7' |
| 520 | case 57407: |
| 521 | return '8' |
| 522 | case 57408: |
| 523 | return '9' |
| 524 | case 57409: // KP_DECIMAL |
| 525 | return '.' |
| 526 | case 57410: // KP_DIVIDE |
| 527 | return '/' |
| 528 | case 57411: // KP_MULTIPLY |
| 529 | return '*' |
| 530 | case 57412: // KP_SUBTRACT |
| 531 | return '-' |
| 532 | case 57413: // KP_ADD |
| 533 | return '+' |
| 534 | case 57414: // KP_ENTER |
| 535 | return 'return' |
| 536 | case 57415: // KP_EQUAL |
| 537 | return '=' |
| 538 | default: |
| 539 | // Printable ASCII characters |
| 540 | if (keycode >= 32 && keycode <= 126) { |
| 541 | return String.fromCharCode(keycode).toLowerCase() |
| 542 | } |
| 543 | return undefined |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | export type ParsedKey = { |
| 548 | kind: 'key' |