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zfm: larger scroll peek window

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This commit is contained in:
minjaesong
2026-05-03 16:50:49 +09:00
parent 9a9893b9a3
commit 94e3ce55ce
2 changed files with 12 additions and 14 deletions
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16
assets/disk0/tvdos/include/wintex.mjs
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@@ -96,8 +96,6 @@ class WindowObject {
* @return [new cursor pos, new scroll pos]
*/
function scrollVert(dy, listSize, listHeight, currentCursorPos, currentScrollPos, scrollPeek) {
let peek = 1
// clamp dy
if (currentCursorPos + dy > listSize - 1)
dy = (listSize - 1) - currentCursorPos
@@ -108,13 +106,13 @@ function scrollVert(dy, listSize, listHeight, currentCursorPos, currentScrollPos
// update vertical scroll stats
if (dy != 0) {
let visible = listHeight - 1 - peek
let visible = listHeight - 1 - scrollPeek
if (nextRow - currentScrollPos > visible) {
currentScrollPos = nextRow - visible
}
else if (nextRow - currentScrollPos < 0 + peek) {
currentScrollPos = nextRow - peek // nextRow is less than zero
else if (nextRow - currentScrollPos < 0 + scrollPeek) {
currentScrollPos = nextRow - scrollPeek // nextRow is less than zero
}
// NOTE: future-proofing here -- scroll clamping is moved outside of go-up/go-down
@@ -145,8 +143,6 @@ function scrollVert(dy, listSize, listHeight, currentCursorPos, currentScrollPos
* @return [new cursor pos, new scroll pos]
*/
function scrollHorz(dx, stringSize, stringViewSize, currentCursorPos, currentScrollPos, scrollPeek) {
let peek = 1
// clamp dx
if (currentCursorPos + dx > stringSize - 1)
dx = (stringSize - 1) - currentCursorPos
@@ -157,13 +153,13 @@ function scrollHorz(dx, stringSize, stringViewSize, currentCursorPos, currentScr
// update vertical scroll stats
if (dx != 0) {
let visible = stringViewSize - 1 - peek
let visible = stringViewSize - 1 - scrollPeek
if (nextCol - currentScrollPos > visible) {
currentScrollPos = nextCol - visible
}
else if (nextCol - currentScrollPos < 0 + peek) {
currentScrollPos = nextCol - peek // nextCol is less than zero
else if (nextCol - currentScrollPos < 0 + scrollPeek) {
currentScrollPos = nextCol - scrollPeek // nextCol is less than zero
}
// NOTE: future-proofing here -- scroll clamping is moved outside of go-up/go-down