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command.js: autocomplete by candidate window

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minjaesong
2026-06-04 01:16:56 +09:00
parent 35263eeaa4
commit e27a01dca6
5 changed files with 252 additions and 6 deletions
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19
assets/disk0/tvdos/include/wintex.mjs
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@@ -217,6 +217,13 @@ function scrollHorz(dx, stringSize, stringViewSize, currentCursorPos, currentScr
// action string to close the dialog,
// or null to stay open.
// showScrollbar: bool?, -- default: auto (true when overflowing).
// scrollbarChars: number[6]?, -- glyph codes for the scrollbar:
// [troughTopEmpty, troughMidEmpty,
// troughBotEmpty, troughTopFilled,
// troughMidFilled, troughBotFilled].
// Default [0xBA,0xBA,0xBA,0xDB,0xDB,0xDB]
// (CP437-safe). Callers with a custom
// charset (e.g. taut) pass their own.
// drawWell: bool?, -- draw the list background
// bg: number?, -- list background colour (default 242).
// },
@@ -307,6 +314,12 @@ function showDialog(opts) {
const hasList = !!list
const listOnActivate = list ? list.onActivate : null
const listBgColour = (list && list.bg != null) ? list.bg : listBg
// Scrollbar glyphs: [trough top/mid/bottom empty, then top/mid/bottom filled].
// Default is CP437-safe (0xBA track, 0xDB thumb); callers with their own
// charset (e.g. taut's 0xBA..0xBF) pass a 6-item override.
const listScrollbarChars = (list && Array.isArray(list.scrollbarChars) && list.scrollbarChars.length >= 6)
? list.scrollbarChars
: [0xBA, 0xBA, 0xBA, 0xDB, 0xDB, 0xDB]
function firstSelectable(from, dir) {
if (!hasList || listItems.length === 0) return -1
let i = from
@@ -531,8 +544,10 @@ function showDialog(opts) {
con.move(lbRow + 1 + r, lbCol + lw - 2)
const maxScroll = Math.max(1, listItems.length - listHeight)
const indPos = (maxScroll <= 0) ? 0 : ((listScroll * (listHeight - 1) / maxScroll) | 0)
let trough = (r === 0) ? 0xBA : (r === listHeight - 1) ? 0xBC : 0xBB
con.addch(r === indPos ? (trough + 3) : trough)
// seg: 0 = top cap, 1 = middle, 2 = bottom cap; +3 selects the
// filled (thumb) variant over the empty (trough) one.
const seg = (r === 0) ? 0 : (r === listHeight - 1) ? 2 : 1
con.addch(listScrollbarChars[(r === indPos) ? seg + 3 : seg])
}
}