choose loudspeaker icons depending on volume

main.go

@@ -37,7 +37,17 @@ func printvol(c *pulseaudio.Client) float32 {
 	if e != nil {
 		fmt.Println(e)
 	} else {
-		fmt.Printf("%d%%\n", int(100*v))
+		var c rune
+		if v < 0.1 {
+			c = ''
+		} else if v < 0.5 {
+			c = ''
+		} else if v < 0.8 {
+			c = ''
+		} else {
+			c = ''
+		}
+		fmt.Printf("%c % 2d%%\n", c, int(100*v))
 	}
 	return v
 }