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Fix horizontal mouse wheel being treated as vertical scroll

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Close #4848
This commit is contained in:
Jason Han
2026-06-28 22:15:03 +09:00
committed by Junegunn Choi
parent f2e451596c
commit 9e4f8e7b7a
1 changed files with 8 additions and 5 deletions
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src/tui/light.go
+8 -5
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@@ -905,12 +905,15 @@ func (r *LightRenderer) mouseSequence(sz *int) Event {
down := rest[end] == 'M' down := rest[end] == 'M'
scroll := 0 scroll := 0
if t >= 64 { wheel := t >= 64
if wheel {
t -= 64 t -= 64
if t&0b1 == 1 { // SGR wheel button codes: 64=up, 65=down, 66=left, 67=right
scroll = -1 switch t & 0b11 {
} else { case 0:
scroll = 1 scroll = 1
case 1:
scroll = -1
} }
} }
@@ -921,7 +924,7 @@ func (r *LightRenderer) mouseSequence(sz *int) Event {
shift := t&0b00100 > 0 shift := t&0b00100 > 0
drag := t&0b100000 > 0 // 32 drag := t&0b100000 > 0 // 32
if scroll != 0 { if wheel {
return Event{Mouse, 0, &MouseEvent{y, x, scroll, false, false, false, ctrl, alt, shift}} return Event{Mouse, 0, &MouseEvent{y, x, scroll, false, false, false, ctrl, alt, shift}}
} }