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fix: chinese corsor error #179

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fix: chinese corsor error #179

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6 changes: 4 additions & 2 deletions runebuf.go
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Original file line number Diff line number Diff line change
Expand Up @@ -527,8 +527,10 @@ func (r *RuneBuffer) getBackspaceSequence() []byte {
}
var buf []byte
for i := len(r.buf); i > r.idx; i-- {
// move input to the left of one
buf = append(buf, '\b')
// move input to the left of one, fix character where width > 1, such like chinese
for j:=0;j<runes.Width(r.buf[i-1]);j++ {
buf = append(buf, '\b')
}
if sep[i] {
// up one line, go to the start of the line and move cursor right to the end (r.width)
buf = append(buf, "\033[A\r"+"\033["+strconv.Itoa(r.width)+"C"...)
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