Add experimental support for 24-bit colors

src/tui/tui.go

@@ -1,6 +1,7 @@
 package tui
 
 import (
+	"strconv"
 	"time"
 )
 
@@ -121,6 +122,13 @@ type ColorPair struct {
 	id int16
 }
 
+func HexToColor(rrggbb string) Color {
+	r, _ := strconv.ParseInt(rrggbb[1:3], 16, 0)
+	g, _ := strconv.ParseInt(rrggbb[3:5], 16, 0)
+	b, _ := strconv.ParseInt(rrggbb[5:7], 16, 0)
+	return Color((1 << 24) + (r << 16) + (g << 8) + b)
+}
+
 func NewColorPair(fg Color, bg Color) ColorPair {
 	return ColorPair{fg, bg, -1}
 }