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fix: key.go missing sgr event len calculation #841

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merged 1 commit into from
Oct 16, 2023
Merged

fix: key.go missing sgr event len calculation #841

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12 changes: 7 additions & 5 deletions key.go
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Original file line number Diff line number Diff line change
Expand Up @@ -575,14 +575,16 @@
func detectOneMsg(b []byte) (w int, msg Msg) {
// Detect mouse events.
// X10 mouse events have a length of 6 bytes
const mouseEventLen = 6
if len(b) >= mouseEventLen && b[0] == '\x1b' && b[1] == '[' {
const mouseEventX10Len = 6
if len(b) >= mouseEventX10Len && b[0] == '\x1b' && b[1] == '[' {
switch b[2] {
case 'M':
return mouseEventLen, MouseMsg(parseX10MouseEvent(b))
return mouseEventX10Len, MouseMsg(parseX10MouseEvent(b))
case '<':
if mouseSGRRegex.Match(b[3:]) {
return mouseEventLen, MouseMsg(parseSGRMouseEvent(b))
if matchIndices := mouseSGRRegex.FindSubmatchIndex(b[3:]); matchIndices != nil {
// SGR mouse events length is the length of the match plus the length of the escape sequence
mouseEventSGRLen := matchIndices[1] + 3

Check failure on line 586 in key.go

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GitHub Actions / lint-soft 

mnd: Magic number: 3, in <operation> detected (gomnd)
return mouseEventSGRLen, MouseMsg(parseSGRMouseEvent(b))
}
}
}
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