// Irregular key and event sequences
// https://vt100.net/docs/vt220-rm/chapter3.html
// https://vt100.net/docs/vt510-rm/chapter8.html
// https://invisible-island.net/xterm/ctlseqs/ctlseqs.pdf
// https://invisible-island.net/xterm/xterm-function-keys.html
// https://sw.kovidgoyal.net/kitty/keyboard-protocol/
// // Default modifier (mode 0 or 1 -> base)
// // No ambiguity here
// $key: CSI 0 [ABCDEFGHPQRS]
// $key: CSI 1 [ABCDEFGHPQRS]
//
// // Standard (omits F3/R because of clash w/cursor position report)
// $key($mod): CSI 1 ; $mod [ABCDEFGHPQS]
//
// // Kitty or xterm modifyOtherKeys (2 param, formatOtherKeys = 1)
// // eg: Shift-F5: CSI 15 ; 2 ~
// $key($mod): CSI $n ; $mod [~u]
// // Xterm "private" modifier, becomes unambiguous when > is used
// $key($mod): CSI > $n ; $mod [~uABCDEFGHPQRS]
//
// // xterm 3-param modifyOtherKeys (formatOtherKeys = 0)
// // https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-Alt-and-Meta-Keys
// // eg: Alt-Tab: CSI 27 ; 3 ; 9 ~
// $key($mod): CSI 27 ; $n ; $mod [~]
// Irregular common control keys
// Escapes are handled as a special case.
//?? ESC: ESC
//?? ESC(ALT): ESC ESC
ESC: CSI 27 u
// Disambiguation sequences. These are weak matches that may
// only match if we're idle at the end of a sequence.
?? 'N'(ALT): ESC N
?? 'O'(ALT): ESC O
?? 'P'(ALT): ESC P
?? '?'(ALT): ESC ?
?? '['(ALT): ESC [
?? ']'(ALT): ESC ]
ENTER: CR
ENTER: LF
ENTER: CSI 13 u
ENTER(ALT): ESC CR
ENTER(ALT): ESC LF
BACKSPACE: DEL
BACKSPACE: CSI 127 u
BACKSPACE(CTRL): BS
BACKSPACE(CTRL): CSI 8 u
BACKSPACE(ALT): ESC DEL
BACKSPACE(CTRL+ALT): ESC BS
TAB: TAB
TAB: CSI 9 u
TAB(ALT): ESC TAB
// Backtab is SHIFT-TAB and you can technically modify it
TAB(SHIFT): CSI Z
TAB(ALT+SHIFT): ESC CSI Z
' ': SP
' '(CTRL): NUL
' '(ALT): ESC SP
' '(CTRL+ALT): ESC NUL
// Valid sequences that should never match, we abort if we see them
// so they can be handled by the VT state machine.
!: ESC =
!: ESC <
!: ESC >
// Control characters represented by their primary ASCII code
// though they may be produced by different sequences
'a'(CTRL): <01>
'b'(CTRL): <02>
'c'(CTRL): <03>
'd'(CTRL): <04>
'e'(CTRL): <05>
'f'(CTRL): <06>
'g'(CTRL): <07>
//'h'(CTRL): <08> // backspace
//'i'(CTRL): <09> // tab
//'j'(CTRL): <0a> // enter
'k'(CTRL): <0b>
'l'(CTRL): <0c>
//'m'(CTRL): <0d> // enter (in raw mode)
'n'(CTRL): <0e>
'o'(CTRL): <0f>
'p'(CTRL): <10>
'q'(CTRL): <11>
'r'(CTRL): <12>
's'(CTRL): <13>
't'(CTRL): <14>
'u'(CTRL): <15>
'v'(CTRL): <16>
'w'(CTRL): <17>
'x'(CTRL): <18>
'y'(CTRL): <19>
'z'(CTRL): <1a>
// '['(CTRL): <1b> // escape key
'\'(CTRL): <1c>
']'(CTRL): <1d>
'^'(CTRL): <1e>
'_'(CTRL): <1f>
'a'(CTRL+ALT): ESC <01>
'b'(CTRL+ALT): ESC <02>
'c'(CTRL+ALT): ESC <03>
'd'(CTRL+ALT): ESC <04>
'e'(CTRL+ALT): ESC <05>
'f'(CTRL+ALT): ESC <06>
'g'(CTRL+ALT): ESC <07>
//'h'(CTRL+ALT): ESC <08> // backspace
//'i'(CTRL+ALT): ESC <09> // tab
//'j'(CTRL+ALT): ESC <0a> // enter
'k'(CTRL+ALT): ESC <0b>
'l'(CTRL+ALT): ESC <0c>
//'m'(CTRL+ALT): ESC <0d> // enter (in raw mode)
'n'(CTRL+ALT): ESC <0e>
'o'(CTRL+ALT): ESC <0f>
'p'(CTRL+ALT): ESC <10>
'q'(CTRL+ALT): ESC <11>
'r'(CTRL+ALT): ESC <12>
's'(CTRL+ALT): ESC <13>
't'(CTRL+ALT): ESC <14>
'u'(CTRL+ALT): ESC <15>
'v'(CTRL+ALT): ESC <16>
'w'(CTRL+ALT): ESC <17>
'x'(CTRL+ALT): ESC <18>
'y'(CTRL+ALT): ESC <19>
'z'(CTRL+ALT): ESC <1a>
//'['(CTRL+ALT): ESC <1b> // escape key
'\'(CTRL+ALT): ESC <1c>
']'(CTRL+ALT): ESC <1d>
'^'(CTRL+ALT): ESC <1e>
'_'(CTRL+ALT): ESC <1f>
// aka FIND
HOME: CSI 1 ~
INSERT: CSI 2 ~
DELETE: CSI 3 ~
// aka SELECT
END: CSI 4 ~
PAGE_UP: CSI 5 ~
PAGE_DOWN: CSI 6 ~
HOME: CSI 7 ~
END: CSI 8 ~
UP: CSI A
UP: SS3 A
DOWN: CSI B
DOWN: SS3 B
RIGHT: CSI C
RIGHT: SS3 C
LEFT: CSI D
LEFT: SS3 D
BEGIN: CSI E
BEGIN: SS3 E
END: CSI F
END: SS3 F
// https://en.wikipedia.org/wiki/ANSI_escape_code
'5'(KEYPAD): CSI G
'5'(KEYPAD): SS3 G
HOME: CSI H
HOME: SS3 H
F1: SS3 P
F1: CSI P
F1: CSI 11 ~
F2: SS3 Q
F2: CSI Q
F2: CSI 12 ~
F3: SS3 R
F3: CSI R
F3: CSI 13 ~
F4: SS3 S
F4: CSI S
F4: CSI 14 ~
// VT52
F1(VT52): ESC A
F2(VT52): ESC B
F3(VT52): ESC C
F4(VT52): ESC D
F5: CSI 15 ~
F6: CSI 17 ~
F7: CSI 18 ~
F8: CSI 19 ~
F9: CSI 20 ~
F10: CSI 21 ~
F11: CSI 23 ~
F12: CSI 24 ~
F13: CSI 25 ~
F14: CSI 26 ~
// aka help
F15: CSI 28 ~
// aka do/menu
F16: CSI 29 ~
F17: CSI 31 ~
F18: CSI 32 ~
F19: CSI 33 ~
F20: CSI 34 ~
// VT52 keypad mode
'*'(KEYPAD+VT52): ESC ? j
'+'(KEYPAD+VT52): ESC ? k
','(KEYPAD+VT52): ESC ? l
'-'(KEYPAD+VT52): ESC ? m
'.'(KEYPAD+VT52): ESC ? n
'/'(KEYPAD+VT52): ESC ? o
'0'(KEYPAD+VT52): ESC ? p
'1'(KEYPAD+VT52): ESC ? q
'2'(KEYPAD+VT52): ESC ? r
'3'(KEYPAD+VT52): ESC ? s
'4'(KEYPAD+VT52): ESC ? t
'5'(KEYPAD+VT52): ESC ? u
'6'(KEYPAD+VT52): ESC ? v
'7'(KEYPAD+VT52): ESC ? w
'8'(KEYPAD+VT52): ESC ? x
'9'(KEYPAD+VT52): ESC ? y
TAB(KEYPAD+VT52): ESC ? I
ENTER(KEYPAD+VT52): ESC ? M
'='(KEYPAD+VT52): ESC ? X
' '(KEYPAD+VT52): ESC ? SP
// SS3 keypad
'*'(KEYPAD): SS3 j
'+'(KEYPAD): SS3 k
','(KEYPAD): SS3 l
'-'(KEYPAD): SS3 m
'.'(KEYPAD): SS3 n
'/'(KEYPAD): SS3 o
'0'(KEYPAD): SS3 p
'1'(KEYPAD): SS3 q
'2'(KEYPAD): SS3 r
'3'(KEYPAD): SS3 s
'4'(KEYPAD): SS3 t
'5'(KEYPAD): SS3 u
'6'(KEYPAD): SS3 v
'7'(KEYPAD): SS3 w
'8'(KEYPAD): SS3 x
'9'(KEYPAD): SS3 y
TAB(KEYPAD): SS3 I
ENTER(KEYPAD): SS3 M
'='(KEYPAD): SS3 X
' '(KEYPAD): SS3 SP
// Sun function keys
FIND(SUN): CSI 1 z
INSERT(SUN): CSI 2 z
DELETE(SUN): CSI 3 z
SELECT(SUN): CSI 4 z
PAGE_UP(SUN): CSI 216 z
PAGE_DOWN(SUN): CSI 222 z
HOME(SUN): CSI 214 z
END(SUN): CSI 220 z
BEGIN(SUN): CSI 218 z
// aka help
F15(SUN): CSI 196 z
// aka do/menu
F16(SUN): CSI 197 z
// Kitty extended keypad
'0'(KEYPAD): CSI 57399 u
'1'(KEYPAD): CSI 57400 u
'2'(KEYPAD): CSI 57401 u
'3'(KEYPAD): CSI 57402 u
'4'(KEYPAD): CSI 57403 u
'5'(KEYPAD): CSI 57404 u
'6'(KEYPAD): CSI 57405 u
'7'(KEYPAD): CSI 57406 u
'8'(KEYPAD): CSI 57407 u
'9'(KEYPAD): CSI 57408 u
'.'(KEYPAD): CSI 57409 u
'/'(KEYPAD): CSI 57410 u
'*'(KEYPAD): CSI 57411 u
'-'(KEYPAD): CSI 57412 u
'+'(KEYPAD): CSI 57413 u
ENTER(KEYPAD): CSI 57414 u
'='(KEYPAD): CSI 57415 u
','(KEYPAD): CSI 57416 u
LEFT(KEYPAD): CSI 57417 u
RIGHT(KEYPAD): CSI 57418 u
UP(KEYPAD): CSI 57419 u
DOWN(KEYPAD): CSI 57420 u
PAGE_UP(KEYPAD): CSI 57421 u
PAGE_DOWN(KEYPAD): CSI 57422 u
HOME(KEYPAD): CSI 57423 u
END(KEYPAD): CSI 57424 u
INSERT(KEYPAD): CSI 57425 u
DELETE(KEYPAD): CSI 57426 u
BEGIN(KEYPAD): CSI 57427 u
// Kitty extended keys
CAPS_LOCK: CSI 57358 u
SCROLL_LOCK: CSI 57359 u
NUM_LOCK: CSI 57360 u
PRINT_SCREEN: CSI 57361 u
PAUSE: CSI 57362 u
MENU: CSI 57363 u
F13: CSI 57376 u
F14: CSI 57377 u
F15: CSI 57378 u
F16: CSI 57379 u
F17: CSI 57380 u
F18: CSI 57381 u
F19: CSI 57382 u
F20: CSI 57383 u
F21: CSI 57384 u
F22: CSI 57385 u
F23: CSI 57386 u
F24: CSI 57387 u
F25: CSI 57388 u
F26: CSI 57389 u
F27: CSI 57390 u
F28: CSI 57391 u
F29: CSI 57392 u
F30: CSI 57393 u
F31: CSI 57394 u
F32: CSI 57395 u
F33: CSI 57396 u
F34: CSI 57397 u
F35: CSI 57398 u
// Kitty media keys
MEDIA_PLAY: CSI 57428 u
MEDIA_PAUSE: CSI 57429 u
MEDIA_PLAY_PAUSE: CSI 57430 u
MEDIA_REVERSE: CSI 57431 u
MEDIA_STOP: CSI 57432 u
MEDIA_FAST_FORWARD: CSI 57433 u
MEDIA_REWIND: CSI 57434 u
MEDIA_TRACK_NEXT: CSI 57435 u
MEDIA_TRACK_PREVIOUS: CSI 57436 u
MEDIA_RECORD: CSI 57437 u
MEDIA_LOWER_VOLUME: CSI 57438 u
MEDIA_RAISE_VOLUME: CSI 57439 u
MEDIA_MUTE_VOLUME: CSI 57440 u
// Kitty modifier keys
MODIFIER_LEFT_SHIFT: CSI 57441 u
MODIFIER_LEFT_CONTROL: CSI 57442 u
MODIFIER_LEFT_ALT: CSI 57443 u
MODIFIER_LEFT_SUPER: CSI 57444 u
MODIFIER_LEFT_HYPER: CSI 57445 u
MODIFIER_LEFT_META: CSI 57446 u
MODIFIER_RIGHT_SHIFT: CSI 57447 u
MODIFIER_RIGHT_CONTROL: CSI 57448 u
MODIFIER_RIGHT_ALT: CSI 57449 u
MODIFIER_RIGHT_SUPER: CSI 57450 u
MODIFIER_RIGHT_HYPER: CSI 57451 u
MODIFIER_RIGHT_META: CSI 57452 u
MODIFIER_ISO_LEVEL_3_SHIFT: CSI 57453 u
MODIFIER_ISO_LEVEL_5_SHIFT: CSI 57454 u