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display combining characters in the text

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cc #496
This commit is contained in:
Gokcehan 2021-01-18 20:48:31 +03:00
parent d27748e9b5
commit d6c5590ad0
1 changed files with 12 additions and 1 deletions
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13
ui.go
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@ -193,6 +193,7 @@ func printLength(s string) int {
func (win *win) print(screen tcell.Screen, x, y int, st tcell.Style, s string) tcell.Style { func (win *win) print(screen tcell.Screen, x, y int, st tcell.Style, s string) tcell.Style {
off := x off := x
var comb []rune
for i := 0; i < len(s); i++ { for i := 0; i < len(s); i++ {
r, w := utf8.DecodeRuneInString(s[i:]) r, w := utf8.DecodeRuneInString(s[i:])
@ -208,8 +209,18 @@ func (win *win) print(screen tcell.Screen, x, y int, st tcell.Style, s string) t
continue continue
} }
for {
rc, wc := utf8.DecodeRuneInString(s[i+w:])
if rc == gEscapeCode || runewidth.RuneWidth(rc) != 0 {
break
}
comb = append(comb, rc)
i += wc
}
if x < win.w { if x < win.w {
screen.SetContent(win.x+x, win.y+y, r, nil, st) screen.SetContent(win.x+x, win.y+y, r, comb, st)
comb = nil
} }
i += w - 1 i += w - 1