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package tcellterm
import "github.com/gdamore/tcell/v2"
func (vt *VT) sgr(params []int) {
if len(params) == 0 {
params = []int{0}
}
for i := 0; i < len(params); i += 1 {
switch params[i] {
case 0:
vt.cursor.attrs = tcell.StyleDefault
case 1:
vt.cursor.attrs = vt.cursor.attrs.Bold(true)
case 2:
vt.cursor.attrs = vt.cursor.attrs.Dim(true)
case 3:
vt.cursor.attrs = vt.cursor.attrs.Italic(true)
case 4:
vt.cursor.attrs = vt.cursor.attrs.Underline(true)
case 5:
vt.cursor.attrs = vt.cursor.attrs.Blink(true)
case 7:
vt.cursor.attrs = vt.cursor.attrs.Reverse(true)
case 8:
// Invisible, not supported
case 9:
vt.cursor.attrs = vt.cursor.attrs.StrikeThrough(true)
case 21:
// Double underlined, not supported
case 22:
vt.cursor.attrs = vt.cursor.attrs.Bold(false).Dim(false)
case 23:
vt.cursor.attrs = vt.cursor.attrs.Italic(false)
case 24:
vt.cursor.attrs = vt.cursor.attrs.Underline(false)
case 25:
vt.cursor.attrs = vt.cursor.attrs.Blink(false)
case 27:
vt.cursor.attrs = vt.cursor.attrs.Reverse(false)
case 28:
// Not invisible, not supported
case 29:
vt.cursor.attrs = vt.cursor.attrs.StrikeThrough(false)
case 30, 31, 32, 33, 34, 35, 36, 37:
color := tcell.PaletteColor(params[i] - 30)
vt.cursor.attrs = vt.cursor.attrs.Foreground(color)
case 38:
var color tcell.Color
if len(params[i:]) < 3 {
// Malformed without at least 3 params. Don't
// set any more attributes at this point
return
}
switch params[i+1] {
case 2:
if len(params[i:]) < 5 {
// Malformed without at least5 params.
// Don't set any more attributes at this
// point
return
}
color = tcell.NewRGBColor(
int32(params[i+2]),
int32(params[i+3]),
int32(params[i+4]),
)
i += 4
case 5:
color = tcell.PaletteColor(params[i+2])
i += 2
default:
// Malformed
return
}
vt.cursor.attrs = vt.cursor.attrs.Foreground(color)
case 39:
vt.cursor.attrs = vt.cursor.attrs.Foreground(tcell.ColorDefault)
case 40, 41, 42, 43, 44, 45, 46, 47:
color := tcell.PaletteColor(params[i] - 40)
vt.cursor.attrs = vt.cursor.attrs.Background(color)
case 48:
var color tcell.Color
if len(params[i:]) < 3 {
// Malformed without at least 3 params. Don't
// set any more attributes at this point
return
}
switch params[i+1] {
case 2:
if len(params[i:]) < 5 {
// Malformed without at least5 params.
// Don't set any more attributes at this
// point
return
}
color = tcell.NewRGBColor(
int32(params[i+2]),
int32(params[i+3]),
int32(params[i+4]),
)
i += 4
case 5:
color = tcell.PaletteColor(params[i+2])
i += 2
default:
// Malformed
return
}
vt.cursor.attrs = vt.cursor.attrs.Background(color)
case 49:
vt.cursor.attrs = vt.cursor.attrs.Background(tcell.ColorDefault)
case 90, 91, 92, 93, 94, 95, 96, 97:
color := tcell.PaletteColor(params[i] - 90 + 8)
vt.cursor.attrs = vt.cursor.attrs.Foreground(color)
case 100, 101, 102, 103, 104, 105, 106, 107:
color := tcell.PaletteColor(params[i] - 100 + 8)
vt.cursor.attrs = vt.cursor.attrs.Background(color)
}
}
}
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