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Windows support for underline colors

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This commit is contained in:
Garrett D'Amore 2024-03-04 20:35:37 -08:00
parent 02f85cbf38
commit d46fe74547
1 changed files with 15 additions and 1 deletions
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16
console_win.go
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@ -168,6 +168,9 @@ const (
vtCurlyUnderline = "\x1b[4:3m" vtCurlyUnderline = "\x1b[4:3m"
vtDottedUnderline = "\x1b[4:4m" vtDottedUnderline = "\x1b[4:4m"
vtDashedUnderline = "\x1b[4:5m" vtDashedUnderline = "\x1b[4:5m"
vtUnderColor = "\x1b[58;5;%dm"
vtUnderColorRGB = "\x1b[58;2;%d;%d;%dm"
vtUnderColorReset = "\x1b[59m"
) )
var vtCursorStyles = map[CursorStyle]string{ var vtCursorStyles = map[CursorStyle]string{
@ -916,7 +919,7 @@ func (s *cScreen) mapStyle(style Style) uint16 {
func (s *cScreen) sendVtStyle(style Style) { func (s *cScreen) sendVtStyle(style Style) {
esc := &strings.Builder{} esc := &strings.Builder{}
fg, bg, attrs := style.fg, style.bg, style.attrs fg, bg, uc, attrs := style.fg, style.bg, style.under, style.attrs
esc.WriteString(vtSgr0) esc.WriteString(vtSgr0)
@ -927,6 +930,17 @@ func (s *cScreen) sendVtStyle(style Style) {
esc.WriteString(vtBlink) esc.WriteString(vtBlink)
} }
if attrs&(AttrUnderline|AttrDoubleUnderline|AttrCurlyUnderline|AttrDottedUnderline|AttrDashedUnderline) != 0 { if attrs&(AttrUnderline|AttrDoubleUnderline|AttrCurlyUnderline|AttrDottedUnderline|AttrDashedUnderline) != 0 {
if uc.Valid() {
if uc == ColorReset {
esc.WriteString(vtUnderColorReset)
} else if uc.IsRGB() {
r, g, b := uc.RGB()
_, _ = fmt.Fprintf(esc, vtUnderColorRGB, int(r), int(g), int(b))
} else {
_, _ = fmt.Fprintf(esc, vtUnderColor, uc&0xff)
}
}
esc.WriteString(vtUnderline) esc.WriteString(vtUnderline)
// legacy ConHost does not understand these but Terminal does // legacy ConHost does not understand these but Terminal does
if (attrs & AttrDoubleUnderline) != 0 { if (attrs & AttrDoubleUnderline) != 0 {