voidterm/termutil/osc.go

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2024-01-14 20:15:26 +00:00
package termutil
import (
"fmt"
)
func (t *Terminal) handleOSC(readChan chan MeasuredRune) (renderRequired bool) {
params := []string{}
param := ""
READ:
for {
select {
case b := <-readChan:
if t.isOSCTerminator(b.Rune) {
params = append(params, param)
break READ
}
if b.Rune == ';' {
params = append(params, param)
param = ""
continue
}
param = fmt.Sprintf("%s%c", param, b.Rune)
default:
return false
}
}
if len(params) == 0 {
return false
}
pT := params[len(params)-1]
pS := params[:len(params)-1]
if len(pS) == 0 {
pS = []string{pT}
pT = ""
}
switch pS[0] {
case "0", "2", "l":
t.setTitle(pT)
case "10": // get/set foreground colour
if len(pS) > 1 {
if pS[1] == "?" {
t.WriteToPty([]byte("\x1b]10;15"))
}
}
case "11": // get/set background colour
if len(pS) > 1 {
if pS[1] == "?" {
t.WriteToPty([]byte("\x1b]10;0"))
}
}
}
return false
}
func (t *Terminal) isOSCTerminator(r rune) bool {
for _, terminator := range oscTerminators {
if terminator == r {
return true
}
}
return false
}