Update strikethrough implementation

doc.go

@@ -129,7 +129,7 @@ terminal):
   i: italic
   r: reverse (switch foreground and background color)
   u: underline
-  s: strikeout
+  s: strikethrough
 
 Examples:
 

go.mod

@@ -3,10 +3,10 @@ module gitlab.com/tslocum/cview
 go 1.12
 
 require (
-	github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831064001-c008cc6a3b61
+	github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831155531-da485f47343b
 	github.com/lucasb-eyer/go-colorful v1.0.3
 	github.com/mattn/go-runewidth v0.0.9
 	github.com/rivo/uniseg v0.1.0
 	gitlab.com/tslocum/cbind v0.1.2-0.20200826214515-b5f2c6a8711a
-	golang.org/x/sys v0.0.0-20200828194041-157a740278f4 // indirect
+	golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a // indirect
 )

go.sum

@@ -1,8 +1,8 @@
 github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
 github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
 github.com/gdamore/tcell/v2 v2.0.0-dev/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
-github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831064001-c008cc6a3b61 h1:61w16Im1XBJcfqvNoOgSjMaoBL50nRy2aqJ4LNWsXXY=
-github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831064001-c008cc6a3b61/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
+github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831155531-da485f47343b h1:j9fvrLkgzxR1S/ZWI6fbw8hjNxU5/lxnVXBX2tuYGVA=
+github.com/gdamore/tcell/v2 v2.0.0-dev.0.20200831155531-da485f47343b/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
 github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
 github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
 github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
@@ -15,8 +15,8 @@ gitlab.com/tslocum/cbind v0.1.2-0.20200826214515-b5f2c6a8711a/go.mod h1:HfB7qAhH
 golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200826173525-f9321e4c35a6 h1:DvY3Zkh7KabQE/kfzMvYvKirSiguP9Q/veMtkYyf0o8=
 golang.org/x/sys v0.0.0-20200826173525-f9321e4c35a6/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200828194041-157a740278f4 h1:kCCpuwSAoYJPkNc6x0xT9yTtV4oKtARo4RGBQWOfg9E=
-golang.org/x/sys v0.0.0-20200828194041-157a740278f4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a h1:i47hUS795cOydZI4AwJQCKXOr4BvxzvikwDoDtHhP2Y=
+golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

util.go

@@ -159,7 +159,7 @@ func overlayStyle(background tcell.Color, defaultStyle tcell.Style, fgColor, bgC
 		style = style.Italic(defAttr&tcell.AttrItalic > 0)
 		style = style.Reverse(defAttr&tcell.AttrReverse > 0)
 		style = style.Underline(defAttr&tcell.AttrUnderline > 0)
-		style = style.StrikeOut(defAttr&tcell.AttrStrikeOut > 0)
+		style = style.StrikeThrough(defAttr&tcell.AttrStrikeThrough > 0)
 	} else if attributes != "" {
 		style = style.Normal()
 		for _, flag := range attributes {
@@ -177,7 +177,7 @@ func overlayStyle(background tcell.Color, defaultStyle tcell.Style, fgColor, bgC
 			case 'u':
 				style = style.Underline(true)
 			case 's':
-				style = style.StrikeOut(true)
+				style = style.StrikeThrough(true)
 			}
 		}
 	}