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Fix (half-)page-up/down in the presence of multi-line items

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Fix #4069
This commit is contained in:
Junegunn Choi 2024-10-30 16:52:42 +09:00
parent ff1687744d
commit 82ebcd9209
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GPG Key ID: 254BC280FEF9C627
1 changed files with 26 additions and 11 deletions
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37
src/terminal.go
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@ -4410,17 +4410,32 @@ func (t *Terminal) Loop() error {
suffix := copySlice(t.input[t.cx:])
t.input = append(append(t.input[:t.cx], t.yanked...), suffix...)
t.cx += len(t.yanked)
case actPageUp:
t.vmove(t.maxItems()-1, false)
req(reqList)
case actPageDown:
t.vmove(-(t.maxItems() - 1), false)
req(reqList)
case actHalfPageUp:
t.vmove(t.maxItems()/2, false)
req(reqList)
case actHalfPageDown:
t.vmove(-(t.maxItems() / 2), false)
case actPageUp, actPageDown, actHalfPageUp, actHalfPageDown:
maxItems := t.maxItems()
linesToMove := maxItems - 1
if a.t == actHalfPageUp || a.t == actHalfPageDown {
linesToMove = maxItems / 2
}
direction := -1
if a.t == actPageUp || a.t == actHalfPageUp {
direction = 1
}
for linesToMove > 0 {
currentItem := t.currentItem()
if currentItem == nil {
break
}
itemLines, _ := t.numItemLines(currentItem, maxItems)
linesToMove -= itemLines
cy := t.cy
t.vmove(direction, false)
if cy == t.cy {
break
}
}
req(reqList)
case actOffsetUp, actOffsetDown:
diff := 1