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taut: always scroll to centre

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minjaesong
2026-04-23 01:32:44 +09:00
parent 4559e4f3f6
commit 74d94b350c
2 changed files with 29 additions and 15 deletions
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44
assets/disk0/tvdos/bin/taut.js
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@@ -136,8 +136,8 @@ function buildRowCell(patternData, row) {
else if (note == 0xFFFE) sNote = sym.notecut
else if (note == 0x0000) sNote = sym.keyoff
let sInst = inst.toString(16).toUpperCase().padStart(3, sym.middot)
if (inst == 0) sInst = sym.middot.repeat(3)
let sInst = inst.toString(16).toUpperCase().padStart(2, sym.middot)
if (inst == 0) sInst = sym.middot.repeat(2)
let sVolEff = volEffSym[voleff >>> 6]
let sVolArg = voleffarg.toString().padStart(2, sym.middot)
@@ -314,8 +314,8 @@ function loadTaud(filePath, songIndex) {
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
const [SCRH, SCRW] = con.getmaxyx()
const PTNVIEW_OFFSET_X = 8
const PTNVIEW_OFFSET_Y = 10
const PTNVIEW_OFFSET_X = 5
const PTNVIEW_OFFSET_Y = 9
const PTNVIEW_HEIGHT = SCRH - PTNVIEW_OFFSET_Y
const COLSIZE = 18
const VOCSIZE = 4
@@ -349,6 +349,14 @@ function drawStatusBar() {
print(txt)
}
function drawSeparators(posY, col_size) {
con.color_pair(colSep, 255)
for (let c = 0; c < VOCSIZE - 1; c++) {
con.move(posY, PTNVIEW_OFFSET_X + col_size * (c+1) - 1)
con.prnch(0xB3)
}
}
function drawVoiceHeaders() {
fillLine(PTNVIEW_OFFSET_Y - 1, colVoiceHdr, 255)
con.color_pair(colVoiceHdr, 255)
@@ -363,10 +371,12 @@ function drawVoiceHeaders() {
const patIdx = cue.pats[voice]
const vlabel = `V${(voice+1).toString().padStart(2,'0')}`
const plabel = (patIdx === CUE_EMPTY) ? '---' : patIdx.toString(16).toUpperCase().padStart(3,'0')
const label = `${vlabel} ptn ${plabel}`
const label = ` ${vlabel} ptn ${plabel} `
print((label + ' ').substring(0, COLSIZE - 1))
}
}
drawSeparators(PTNVIEW_OFFSET_Y - 1, COLSIZE)
}
function drawPatternRowAt(viewRow) {
@@ -376,14 +386,17 @@ function drawPatternRowAt(viewRow) {
const back = highlight ? colHighlight : colBackPtn
const cue = song.cues[cueIdx]
con.move(y, 1)
con.color_pair(colRowNum, back)
if (actualRow < ROWS_PER_PAT) {
if (actualRow % 4 == 0) {con.color_pair(colRowNumEmph1, back)}
print(' ' + actualRow.toString().toUpperCase().padStart(2, '0') + ' ')
} else {
let rowstr = actualRow.toString().toUpperCase().padStart(2, '0')
con.move(y, 1); con.prnch(rowstr.charCodeAt(0)); con.move(y, 2); con.prnch(rowstr.charCodeAt(1))
con.move(y, SCRW-2); con.prnch(rowstr.charCodeAt(0)); con.move(y, SCRW-1); con.prnch(rowstr.charCodeAt(1))
}
else {
print(' ')
}
// TODO scroll indicator on x=SCRW?
for (let c = 0; c < VOCSIZE; c++) {
const voice = voiceOff + c
@@ -398,11 +411,7 @@ function drawPatternRowAt(viewRow) {
drawCellAt(y, x, cell, back)
}
con.color_pair(colSep, 255)
for (let c = 0; c < VOCSIZE - 1; c++) {
con.move(y, PTNVIEW_OFFSET_X + COLSIZE * (c+1) - 1)
con.prnch(0xB3)
}
drawSeparators(y, COLSIZE)
}
function drawPatternView() {
@@ -413,7 +422,7 @@ function drawControlHint() {
con.move(SCRH, 1)
print(' '.repeat(SCRW-1))
con.move(SCRH, 1)
print(`\u008424u\u008425u Move rows ${MIDDOT} \u008427u\u008426u Move vox ${MIDDOT} Pg\u008424u\u008425u Move Ptns ${MIDDOT} Hm/Ed Init/Last row ${MIDDOT} q Quit`)
print(`\u008424u\u008425u Move rows ${MIDDOT} \u008427u\u008426u Move vox ${MIDDOT} Pg\u008424u\u008425u Move Ptns ${MIDDOT} Hm/Ed Init/Last row ${MIDDOT} q Quit ----`)
}
function drawAll() {
@@ -472,6 +481,8 @@ function shiftPatternArea(dy) {
// APPLICATION STUB
/////////////////////////////////////////////////////////////////////////////////////////////////////////////
con.curs_set(0)
let currentPanel = VIEW_TIMELINE
let cueIdx = 0
let cursorRow = 0
@@ -495,7 +506,9 @@ function clampCursor() {
if (cursorRow < 0) cursorRow = 0
if (cursorRow >= ROWS_PER_PAT) cursorRow = ROWS_PER_PAT - 1
if (cursorRow < scrollRow) scrollRow = cursorRow
if (cursorRow >= scrollRow + PTNVIEW_HEIGHT) scrollRow = cursorRow - PTNVIEW_HEIGHT + 1
// bottom two IF statements will keep the cursor at the centre until viewpoint scroll edge has reached
if (cursorRow < scrollRow + (PTNVIEW_HEIGHT>>>1) && scrollRow > 0) scrollRow = cursorRow - (PTNVIEW_HEIGHT>>>1)
if (cursorRow >= scrollRow + ((PTNVIEW_HEIGHT+1)>>>1)) scrollRow = cursorRow - ((PTNVIEW_HEIGHT+1)>>>1) + 1
if (scrollRow < 0) scrollRow = 0
if (scrollRow + PTNVIEW_HEIGHT > ROWS_PER_PAT)
scrollRow = Math.max(0, ROWS_PER_PAT - PTNVIEW_HEIGHT)
@@ -584,4 +597,5 @@ while (!exitFlag) {
sys.free(SCRATCH_PTR)
con.clear()
con.move(1, 1)
con.curs_set(1)
return 0