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taut: better scrolling behav

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minjaesong
2026-04-23 21:12:11 +09:00
parent 852c0e6e80
commit 4bda55d511
1 changed files with 15 additions and 10 deletions
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25
assets/disk0/tvdos/bin/taut.js
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@@ -490,9 +490,8 @@ function drawPatternView() {
function drawControlHint() {
let hintElem = [
[`\u008424u\u008425u`,'Row'],
[`\u008427u\u008426u`,'Vox'],
[`Pg\u008424u\u008425u`,'Ptn'],
[`\u008427u\u008425u\u008424u\u008426u`,'Ptn'],
[`Pg\u008424u\u008425u`,'Cue'],
['sep'],
['F5','Song'],
['F6','Cue'],
@@ -500,7 +499,9 @@ function drawControlHint() {
['F8/Sp','Stop'],
['sep'],
['m','Mute'],
['s','Solo']
['s','Solo'],
['sep'],
['q','Quit'],
]
// erase current line
@@ -851,7 +852,9 @@ function clampVoice() {
if (cursorVox < 0) cursorVox = 0
if (cursorVox >= song.numVoices) cursorVox = song.numVoices - 1
if (cursorVox < voiceOff) voiceOff = cursorVox
if (cursorVox >= voiceOff + VOCSIZE) voiceOff = cursorVox - VOCSIZE + 1
// keep cursor centred until view reaches an edge (mirrors clampCursor logic)
if (cursorVox < voiceOff + (VOCSIZE>>>1) && voiceOff > 0) voiceOff = cursorVox - (VOCSIZE>>>1)
if (cursorVox >= voiceOff + ((VOCSIZE+1)>>>1)) voiceOff = cursorVox - ((VOCSIZE+1)>>>1) + 1
const maxOff = Math.max(0, song.numVoices - VOCSIZE)
if (voiceOff < 0) voiceOff = 0
if (voiceOff > maxOff) voiceOff = maxOff
@@ -878,6 +881,8 @@ while (!exitFlag) {
input.withEvent(event => {
if (event[0] !== "key_down") return
const keysym = event[1]
const shiftDown = (event.indexOf(59) > 0 || event.indexOf(60) > 0)
const moveDelta = shiftDown ? 4 : 1
if (keysym === "<ESC>" || keysym === "q" || keysym === "Q") {
exitFlag = true
@@ -916,7 +921,7 @@ while (!exitFlag) {
if (keysym === "<LEFT>" || keysym === "<RIGHT>") {
const oldVoiceOff = voiceOff
cursorVox += (keysym === "<LEFT>") ? -1 : 1
cursorVox += (keysym === "<LEFT>") ? -moveDelta : moveDelta
clampVoice()
const dVoice = voiceOff - oldVoiceOff
if (dVoice !== 0) {
@@ -933,12 +938,12 @@ while (!exitFlag) {
if (keysym === "m" || keysym === "M") { toggleMute(cursorVox); return }
if (keysym === "s" || keysym === "S") { toggleSolo(cursorVox); return }
if (keysym === "<UP>") { cursorRow -= 1; rowMove = true }
else if (keysym === "<DOWN>") { cursorRow += 1; rowMove = true }
if (keysym === "<UP>") { cursorRow -= moveDelta; rowMove = true }
else if (keysym === "<DOWN>") { cursorRow += moveDelta; rowMove = true }
else if (keysym === "<HOME>") { cursorRow = 0; rowMove = true }
else if (keysym === "<END>") { cursorRow = ROWS_PER_PAT-1; rowMove = true }
else if (keysym === "<PAGE_UP>") { cueIdx -= 1; fullRedraw = true }
else if (keysym === "<PAGE_DOWN>") { cueIdx += 1; fullRedraw = true }
else if (keysym === "<PAGE_UP>") { cueIdx -= moveDelta; fullRedraw = true }
else if (keysym === "<PAGE_DOWN>") { cueIdx += moveDelta; fullRedraw = true }
else return
clampCursor(); clampVoice(); clampCue()