Modify the display width for Chinese characters and so on (#145)

Jim-wiselike · chzyer · commit 2972be24d48e · 2018-06-03T21:26:55.000+08:00
The display width will not be right if there have Chinese characters in the display. It will overflow the line, if the Chinese characters are at the end of a line. And makes "lines" value not the right number of line rows,  which makes "239: fmt.Fprintf" produce wrong output.
diff --git a/complete.go b/complete.go
@@ -221,7 +221,7 @@ func (o *opCompleter) CompleteRefresh() {
 		}
 		buf.WriteString(string(same))
 		buf.WriteString(string(c))
-		buf.Write(bytes.Repeat([]byte(" "), colWidth-len(c)-len(same)))
+		buf.Write(bytes.Repeat([]byte(" "), colWidth-runes.WidthAll(c)-runes.WidthAll(same)))
 
 		if inSelect {
 			buf.WriteString("\033[0m")

Original file line number	Diff line number	Diff line change
`@@ -221,7 +221,7 @@ func (o *opCompleter) CompleteRefresh() {`
`221`	`221`	`}`
`222`	`222`	`buf.WriteString(string(same))`
`223`	`223`	`buf.WriteString(string(c))`
`224`		`- buf.Write(bytes.Repeat([]byte(" "), colWidth-len(c)-len(same)))`
	`224`	`+ buf.Write(bytes.Repeat([]byte(" "), colWidth-runes.WidthAll(c)-runes.WidthAll(same)))`
`225`	`225`
`226`	`226`	`if inSelect {`
`227`	`227`	`buf.WriteString("\033[0m")`