nonbinary.computer
forked from
oppi.li/claude-code
source dump of claude code
oppi.li
1/**
2 * DEC (Digital Equipment Corporation) Private Mode Sequences
3 *
4 * DEC private modes use CSI ? N h (set) and CSI ? N l (reset) format.
5 * These are terminal-specific extensions to the ANSI standard.
6 */
7
8import { csi } from './csi.js'
9
10/**
11 * DEC private mode numbers
12 */
13export const DEC = {
14 CURSOR_VISIBLE: 25,
15 ALT_SCREEN: 47,
16 ALT_SCREEN_CLEAR: 1049,
17 MOUSE_NORMAL: 1000,
18 MOUSE_BUTTON: 1002,
19 MOUSE_ANY: 1003,
20 MOUSE_SGR: 1006,
21 FOCUS_EVENTS: 1004,
22 BRACKETED_PASTE: 2004,
23 SYNCHRONIZED_UPDATE: 2026,
24} as const
25
26/** Generate CSI ? N h sequence (set mode) */
27export function decset(mode: number): string {
28 return csi(`?${mode}h`)
29}
30
31/** Generate CSI ? N l sequence (reset mode) */
32export function decreset(mode: number): string {
33 return csi(`?${mode}l`)
34}
35
36// Pre-generated sequences for common modes
37export const BSU = decset(DEC.SYNCHRONIZED_UPDATE)
38export const ESU = decreset(DEC.SYNCHRONIZED_UPDATE)
39export const EBP = decset(DEC.BRACKETED_PASTE)
40export const DBP = decreset(DEC.BRACKETED_PASTE)
41export const EFE = decset(DEC.FOCUS_EVENTS)
42export const DFE = decreset(DEC.FOCUS_EVENTS)
43export const SHOW_CURSOR = decset(DEC.CURSOR_VISIBLE)
44export const HIDE_CURSOR = decreset(DEC.CURSOR_VISIBLE)
45export const ENTER_ALT_SCREEN = decset(DEC.ALT_SCREEN_CLEAR)
46export const EXIT_ALT_SCREEN = decreset(DEC.ALT_SCREEN_CLEAR)
47// Mouse tracking: 1000 reports button press/release/wheel, 1002 adds drag
48// events (button-motion), 1003 adds all-motion (no button held — for
49// hover), 1006 uses SGR format (CSI < btn;col;row M/m) instead of legacy
50// X10 bytes. Combined: wheel + click/drag for selection + hover.
51export const ENABLE_MOUSE_TRACKING =
52 decset(DEC.MOUSE_NORMAL) +
53 decset(DEC.MOUSE_BUTTON) +
54 decset(DEC.MOUSE_ANY) +
55 decset(DEC.MOUSE_SGR)
56export const DISABLE_MOUSE_TRACKING =
57 decreset(DEC.MOUSE_SGR) +
58 decreset(DEC.MOUSE_ANY) +
59 decreset(DEC.MOUSE_BUTTON) +
60 decreset(DEC.MOUSE_NORMAL)