diff --git a/Gopkg.lock b/Gopkg.lock
index 7eb0e945..64f94172 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -158,14 +158,14 @@
 
 [[projects]]
   branch = "master"
-  digest = "1:937011a37a09b93be68052dfb3195fcfbff33b9472b37401b54027e9954906fb"
+  digest = "1:5caa7f0f760a7b380cfa4102a44b6aef61bd68506f62f49880cc59d5c1ee72fd"
   name = "github.com/gdamore/tcell"
   packages = [
     ".",
     "terminfo",
   ]
   pruneopts = "UT"
-  revision = "aaadc574a6ed8dc3abe56036ca130dcee1ee6b6e"
+  revision = "dcf1bb30770eb1158b67005e1e472de6d74f055d"
 
 [[projects]]
   digest = "1:c96d16a4451e48e2c44b2c3531fd8ec9248d822637f1911a88959ca0bcae4a64"
diff --git a/vendor/github.com/gdamore/tcell/README.adoc b/vendor/github.com/gdamore/tcell/README.adoc
index 3b600577..8a4d133a 100644
--- a/vendor/github.com/gdamore/tcell/README.adoc
+++ b/vendor/github.com/gdamore/tcell/README.adoc
@@ -266,5 +266,5 @@ mailto:info@staysail.tech[Staysail Systems, Inc.] offers direct support, and cus
 
 ^.^|
 image:logos/patreon.png[100,100]
-a|I also welcome donations at https://www.patron.com/gedamore/[Patreon], if you just want to make a contribution.
+a|I also welcome donations at https://www.patreon.com/gedamore/[Patreon], if you just want to make a contribution.
 |===
diff --git a/vendor/github.com/gdamore/tcell/cell.go b/vendor/github.com/gdamore/tcell/cell.go
index 957b62f7..c7f8f1ad 100644
--- a/vendor/github.com/gdamore/tcell/cell.go
+++ b/vendor/github.com/gdamore/tcell/cell.go
@@ -1,4 +1,4 @@
-// Copyright 2015 The TCell Authors
+// Copyright 2019 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -15,7 +15,7 @@
 package tcell
 
 import (
-	"github.com/mattn/go-runewidth"
+	runewidth "github.com/mattn/go-runewidth"
 )
 
 type cell struct {
@@ -49,20 +49,6 @@ func (cb *CellBuffer) SetContent(x int, y int,
 		c := &cb.cells[(y*cb.w)+x]
 
 		c.currComb = append([]rune{}, combc...)
-		i := 0
-		for i < len(c.currComb) {
-			r := c.currComb[i]
-			if r == '\u200d' {
-				i += 2
-				continue
-			}
-			if runewidth.RuneWidth(r) != 0 {
-				// not a combining character, yank it
-				c.currComb = append(c.currComb[:i-1], c.currComb[i+1:]...)
-				continue
-			}
-			i++
-		}
 
 		if c.currMain != mainc {
 			c.width = runewidth.RuneWidth(mainc)
diff --git a/vendor/github.com/gdamore/tcell/console_win.go b/vendor/github.com/gdamore/tcell/console_win.go
index bd05fdf0..73467cc2 100644
--- a/vendor/github.com/gdamore/tcell/console_win.go
+++ b/vendor/github.com/gdamore/tcell/console_win.go
@@ -1,6 +1,6 @@
 // +build windows
 
-// Copyright 2016 The TCell Authors
+// Copyright 2019 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -787,7 +787,9 @@ func (s *cScreen) draw() {
 			if len(combc) != 0 {
 				wcs = append(wcs, utf16.Encode(combc)...)
 			}
-			s.cells.SetDirty(x, y, false)
+			for dx := 0; dx < width; dx++ {
+				s.cells.SetDirty(x+dx, y, false)
+			}
 			x += width - 1
 		}
 		s.writeString(lx, ly, lstyle, wcs)
@@ -880,14 +882,14 @@ func (s *cScreen) resize() {
 	s.w = w
 	s.h = h
 
+	s.setBufferSize(w, h)
+
 	r := rect{0, 0, int16(w - 1), int16(h - 1)}
 	procSetConsoleWindowInfo.Call(
 		uintptr(s.out),
 		uintptr(1),
 		uintptr(unsafe.Pointer(&r)))
 
-	s.setBufferSize(w, h)
-
 	s.PostEvent(NewEventResize(w, h))
 }
 
diff --git a/vendor/github.com/gdamore/tcell/go.mod b/vendor/github.com/gdamore/tcell/go.mod
index 0a879ebb..55480222 100644
--- a/vendor/github.com/gdamore/tcell/go.mod
+++ b/vendor/github.com/gdamore/tcell/go.mod
@@ -1,11 +1,10 @@
 module github.com/gdamore/tcell
 
-go 1.9
+go 1.12
 
 require (
 	github.com/gdamore/encoding v1.0.0
-	github.com/lucasb-eyer/go-colorful v0.0.0-20181028223441-12d3b2882a08
+	github.com/lucasb-eyer/go-colorful v1.0.2
 	github.com/mattn/go-runewidth v0.0.4
 	golang.org/x/text v0.3.0
-	gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0 // indirect
 )
diff --git a/vendor/github.com/gdamore/tcell/go.sum b/vendor/github.com/gdamore/tcell/go.sum
index f01260e5..ff1c0288 100644
--- a/vendor/github.com/gdamore/tcell/go.sum
+++ b/vendor/github.com/gdamore/tcell/go.sum
@@ -1,10 +1,10 @@
+github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
+github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
 github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
-github.com/lucasb-eyer/go-colorful v0.0.0-20181028223441-12d3b2882a08 h1:5MnxBC15uMxFv5FY/J/8vzyaBiArCOkMdFT9Jsw78iY=
-github.com/lucasb-eyer/go-colorful v0.0.0-20181028223441-12d3b2882a08/go.mod h1:NXg0ArsFk0Y01623LgUqoqcouGDB+PwCCQlrwrG6xJ4=
+github.com/lucasb-eyer/go-colorful v1.0.2 h1:mCMFu6PgSozg9tDNMMK3g18oJBX7oYGrC09mS6CXfO4=
+github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s=
 github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0 h1:FVCohIoYO7IJoDDVpV2pdq7SgrMH6wHnuTyrdrxJNoY=
-gopkg.in/DATA-DOG/go-sqlmock.v1 v1.3.0/go.mod h1:OdE7CF6DbADk7lN8LIKRzRJTTZXIjtWgA5THM5lhBAw=
diff --git a/vendor/github.com/gdamore/tcell/screen.go b/vendor/github.com/gdamore/tcell/screen.go
index 9551af6d..99816a01 100644
--- a/vendor/github.com/gdamore/tcell/screen.go
+++ b/vendor/github.com/gdamore/tcell/screen.go
@@ -1,4 +1,4 @@
-// Copyright 2016 The TCell Authors
+// Copyright 2019 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -198,14 +198,11 @@ type Screen interface {
 // NewScreen returns a default Screen suitable for the user's terminal
 // environment.
 func NewScreen() (Screen, error) {
-	// First we attempt to obtain a terminfo screen.  This should work
-	// in most places if $TERM is set.
-	if s, e := NewTerminfoScreen(); s != nil {
+	// Windows is happier if we try for a console screen first.
+	if s, _ := NewConsoleScreen(); s != nil {
 		return s, nil
-
-	} else if s, _ := NewConsoleScreen(); s != nil {
+	} else if s, e := NewTerminfoScreen(); s != nil {
 		return s, nil
-
 	} else {
 		return nil, e
 	}
diff --git a/vendor/github.com/gdamore/tcell/terminfo/mkinfo.go b/vendor/github.com/gdamore/tcell/terminfo/mkinfo.go
index 50d70f74..53e8d873 100644
--- a/vendor/github.com/gdamore/tcell/terminfo/mkinfo.go
+++ b/vendor/github.com/gdamore/tcell/terminfo/mkinfo.go
@@ -1,6 +1,6 @@
 // +build ignore
 
-// Copyright 2018 The TCell Authors
+// Copyright 2019 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -226,27 +226,9 @@ func (tc *termcap) setupterm(name string) error {
 // capabilities encoded in the program.  It should never need to be run by
 // an end user, but developers can use this to add codes for additional
 // terminal types.
-//
-// If a terminal name ending with -truecolor is given, and we cannot find
-// one, we will try to fabricate one from either the -256color (if present)
-// or the unadorned base name, adding the XTerm specific 24-bit color
-// escapes.  We believe that all 24-bit capable terminals use the same
-// escape sequences, and terminfo has yet to evolve to support this.
 func getinfo(name string) (*terminfo.Terminfo, string, error) {
 	var tc termcap
-	addTrueColor := false
 	if err := tc.setupterm(name); err != nil {
-		if strings.HasSuffix(name, "-truecolor") {
-			base := name[:len(name)-len("-truecolor")]
-			// Probably -256color is closest to what we want
-			if err = tc.setupterm(base + "-256color"); err != nil {
-				err = tc.setupterm(base)
-			}
-			if err == nil {
-				addTrueColor = true
-			}
-			tc.name = name
-		}
 		if err != nil {
 			return nil, "", err
 		}
@@ -471,15 +453,6 @@ func getinfo(name string) (*terminfo.Terminfo, string, error) {
 		}
 	}
 
-	// For some terminals we fabricate a -truecolor entry, that may
-	// not exist in terminfo.
-	if addTrueColor {
-		t.SetFgRGB = "\x1b[38;2;%p1%d;%p2%d;%p3%dm"
-		t.SetBgRGB = "\x1b[48;2;%p1%d;%p2%d;%p3%dm"
-		t.SetFgBgRGB = "\x1b[38;2;%p1%d;%p2%d;%p3%d;" +
-			"48;2;%p4%d;%p5%d;%p6%dm"
-	}
-
 	// For terminals that use "standard" SGR sequences, lets combine the
 	// foreground and background together.
 	if strings.HasPrefix(t.SetFg, "\x1b[") &&
diff --git a/vendor/github.com/gdamore/tcell/terminfo/term_st_meta_truecolor.go b/vendor/github.com/gdamore/tcell/terminfo/term_st_meta_truecolor.go
deleted file mode 100644
index fc53a97f..00000000
--- a/vendor/github.com/gdamore/tcell/terminfo/term_st_meta_truecolor.go
+++ /dev/null
@@ -1,158 +0,0 @@
-// Generated automatically.  DO NOT HAND-EDIT.
-
-package terminfo
-
-func init() {
-	//  simpleterm with meta key and 256 colors
-	AddTerminfo(&Terminfo{
-		Name:            "st-meta-truecolor",
-		Columns:         80,
-		Lines:           24,
-		Colors:          256,
-		Bell:            "\a",
-		Clear:           "\x1b[H\x1b[2J",
-		EnterCA:         "\x1b[?1049h",
-		ExitCA:          "\x1b[?1049l",
-		ShowCursor:      "\x1b[?12l\x1b[?25h",
-		HideCursor:      "\x1b[?25l",
-		AttrOff:         "\x1b[0m",
-		Underline:       "\x1b[4m",
-		Bold:            "\x1b[1m",
-		Dim:             "\x1b[2m",
-		Blink:           "\x1b[5m",
-		Reverse:         "\x1b[7m",
-		EnterKeypad:     "\x1b[?1h\x1b=",
-		ExitKeypad:      "\x1b[?1l\x1b>",
-		SetFg:           "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m",
-		SetBg:           "\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m",
-		SetFgBg:         "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;;%?%p2%{8}%<%t4%p2%d%e%p2%{16}%<%t10%p2%{8}%-%d%e48;5;%p2%d%;m",
-		AltChars:        "+C,D-A.B0E``aaffgghFiGjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~",
-		EnterAcs:        "\x1b(0",
-		ExitAcs:         "\x1b(B",
-		EnableAcs:       "\x1b)0",
-		SetFgRGB:        "\x1b[38;2;%p1%d;%p2%d;%p3%dm",
-		SetBgRGB:        "\x1b[48;2;%p1%d;%p2%d;%p3%dm",
-		SetFgBgRGB:      "\x1b[38;2;%p1%d;%p2%d;%p3%d;48;2;%p4%d;%p5%d;%p6%dm",
-		Mouse:           "\x1b[M",
-		MouseMode:       "%?%p1%{1}%=%t%'h'%Pa%e%'l'%Pa%;\x1b[?1000%ga%c\x1b[?1002%ga%c\x1b[?1003%ga%c\x1b[?1006%ga%c",
-		SetCursor:       "\x1b[%i%p1%d;%p2%dH",
-		CursorBack1:     "\b",
-		CursorUp1:       "\x1b[A",
-		KeyUp:           "\x1bOA",
-		KeyDown:         "\x1bOB",
-		KeyRight:        "\x1bOC",
-		KeyLeft:         "\x1bOD",
-		KeyInsert:       "\x1b[2~",
-		KeyDelete:       "\x1b[3~",
-		KeyBackspace:    "177",
-		KeyHome:         "\x1b[1~",
-		KeyEnd:          "\x1b[4~",
-		KeyPgUp:         "\x1b[5~",
-		KeyPgDn:         "\x1b[6~",
-		KeyF1:           "\x1bOP",
-		KeyF2:           "\x1bOQ",
-		KeyF3:           "\x1bOR",
-		KeyF4:           "\x1bOS",
-		KeyF5:           "\x1b[15~",
-		KeyF6:           "\x1b[17~",
-		KeyF7:           "\x1b[18~",
-		KeyF8:           "\x1b[19~",
-		KeyF9:           "\x1b[20~",
-		KeyF10:          "\x1b[21~",
-		KeyF11:          "\x1b[23~",
-		KeyF12:          "\x1b[24~",
-		KeyF13:          "\x1b[1;2P",
-		KeyF14:          "\x1b[1;2Q",
-		KeyF15:          "\x1b[1;2R",
-		KeyF16:          "\x1b[1;2S",
-		KeyF17:          "\x1b[15;2~",
-		KeyF18:          "\x1b[17;2~",
-		KeyF19:          "\x1b[18;2~",
-		KeyF20:          "\x1b[19;2~",
-		KeyF21:          "\x1b[20;2~",
-		KeyF22:          "\x1b[21;2~",
-		KeyF23:          "\x1b[23;2~",
-		KeyF24:          "\x1b[24;2~",
-		KeyF25:          "\x1b[1;5P",
-		KeyF26:          "\x1b[1;5Q",
-		KeyF27:          "\x1b[1;5R",
-		KeyF28:          "\x1b[1;5S",
-		KeyF29:          "\x1b[15;5~",
-		KeyF30:          "\x1b[17;5~",
-		KeyF31:          "\x1b[18;5~",
-		KeyF32:          "\x1b[19;5~",
-		KeyF33:          "\x1b[20;5~",
-		KeyF34:          "\x1b[21;5~",
-		KeyF35:          "\x1b[23;5~",
-		KeyF36:          "\x1b[24;5~",
-		KeyF37:          "\x1b[1;6P",
-		KeyF38:          "\x1b[1;6Q",
-		KeyF39:          "\x1b[1;6R",
-		KeyF40:          "\x1b[1;6S",
-		KeyF41:          "\x1b[15;6~",
-		KeyF42:          "\x1b[17;6~",
-		KeyF43:          "\x1b[18;6~",
-		KeyF44:          "\x1b[19;6~",
-		KeyF45:          "\x1b[20;6~",
-		KeyF46:          "\x1b[21;6~",
-		KeyF47:          "\x1b[23;6~",
-		KeyF48:          "\x1b[24;6~",
-		KeyF49:          "\x1b[1;3P",
-		KeyF50:          "\x1b[1;3Q",
-		KeyF51:          "\x1b[1;3R",
-		KeyF52:          "\x1b[1;3S",
-		KeyF53:          "\x1b[15;3~",
-		KeyF54:          "\x1b[17;3~",
-		KeyF55:          "\x1b[18;3~",
-		KeyF56:          "\x1b[19;3~",
-		KeyF57:          "\x1b[20;3~",
-		KeyF58:          "\x1b[21;3~",
-		KeyF59:          "\x1b[23;3~",
-		KeyF60:          "\x1b[24;3~",
-		KeyF61:          "\x1b[1;4P",
-		KeyF62:          "\x1b[1;4Q",
-		KeyF63:          "\x1b[1;4R",
-		KeyClear:        "\x1b[3;5~",
-		KeyBacktab:      "\x1b[Z",
-		KeyShfLeft:      "\x1b[1;2D",
-		KeyShfRight:     "\x1b[1;2C",
-		KeyShfUp:        "\x1b[1;2A",
-		KeyShfDown:      "\x1b[1;2B",
-		KeyCtrlLeft:     "\x1b[1;5D",
-		KeyCtrlRight:    "\x1b[1;5C",
-		KeyCtrlUp:       "\x1b[1;5A",
-		KeyCtrlDown:     "\x1b[1;5B",
-		KeyMetaLeft:     "\x1b[1;9D",
-		KeyMetaRight:    "\x1b[1;9C",
-		KeyMetaUp:       "\x1b[1;9A",
-		KeyMetaDown:     "\x1b[1;9B",
-		KeyAltLeft:      "\x1b[1;3D",
-		KeyAltRight:     "\x1b[1;3C",
-		KeyAltUp:        "\x1b[1;3A",
-		KeyAltDown:      "\x1b[1;3B",
-		KeyAltShfLeft:   "\x1b[1;4D",
-		KeyAltShfRight:  "\x1b[1;4C",
-		KeyAltShfUp:     "\x1b[1;4A",
-		KeyAltShfDown:   "\x1b[1;4B",
-		KeyMetaShfLeft:  "\x1b[1;10D",
-		KeyMetaShfRight: "\x1b[1;10C",
-		KeyMetaShfUp:    "\x1b[1;10A",
-		KeyMetaShfDown:  "\x1b[1;10B",
-		KeyCtrlShfLeft:  "\x1b[1;6D",
-		KeyCtrlShfRight: "\x1b[1;6C",
-		KeyCtrlShfUp:    "\x1b[1;6A",
-		KeyCtrlShfDown:  "\x1b[1;6B",
-		KeyShfHome:      "\x1b[1;2H",
-		KeyShfEnd:       "\x1b[1;2F",
-		KeyCtrlHome:     "\x1b[1;5H",
-		KeyCtrlEnd:      "\x1b[1;5F",
-		KeyAltHome:      "\x1b[1;9H",
-		KeyAltEnd:       "\x1b[1;9F",
-		KeyCtrlShfHome:  "\x1b[1;6H",
-		KeyCtrlShfEnd:   "\x1b[1;6F",
-		KeyMetaShfHome:  "\x1b[1;10H",
-		KeyMetaShfEnd:   "\x1b[1;10F",
-		KeyAltShfHome:   "\x1b[1;4H",
-		KeyAltShfEnd:    "\x1b[1;4F",
-	})
-}
diff --git a/vendor/github.com/gdamore/tcell/terminfo/term_st_truecolor.go b/vendor/github.com/gdamore/tcell/terminfo/term_st_truecolor.go
deleted file mode 100644
index 006cd1c9..00000000
--- a/vendor/github.com/gdamore/tcell/terminfo/term_st_truecolor.go
+++ /dev/null
@@ -1,158 +0,0 @@
-// Generated automatically.  DO NOT HAND-EDIT.
-
-package terminfo
-
-func init() {
-	//  simpleterm with 256 colors
-	AddTerminfo(&Terminfo{
-		Name:            "st-truecolor",
-		Columns:         80,
-		Lines:           24,
-		Colors:          256,
-		Bell:            "\a",
-		Clear:           "\x1b[H\x1b[2J",
-		EnterCA:         "\x1b[?1049h",
-		ExitCA:          "\x1b[?1049l",
-		ShowCursor:      "\x1b[?12l\x1b[?25h",
-		HideCursor:      "\x1b[?25l",
-		AttrOff:         "\x1b[0m",
-		Underline:       "\x1b[4m",
-		Bold:            "\x1b[1m",
-		Dim:             "\x1b[2m",
-		Blink:           "\x1b[5m",
-		Reverse:         "\x1b[7m",
-		EnterKeypad:     "\x1b[?1h\x1b=",
-		ExitKeypad:      "\x1b[?1l\x1b>",
-		SetFg:           "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m",
-		SetBg:           "\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m",
-		SetFgBg:         "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;;%?%p2%{8}%<%t4%p2%d%e%p2%{16}%<%t10%p2%{8}%-%d%e48;5;%p2%d%;m",
-		AltChars:        "+C,D-A.B0E``aaffgghFiGjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~",
-		EnterAcs:        "\x1b(0",
-		ExitAcs:         "\x1b(B",
-		EnableAcs:       "\x1b)0",
-		SetFgRGB:        "\x1b[38;2;%p1%d;%p2%d;%p3%dm",
-		SetBgRGB:        "\x1b[48;2;%p1%d;%p2%d;%p3%dm",
-		SetFgBgRGB:      "\x1b[38;2;%p1%d;%p2%d;%p3%d;48;2;%p4%d;%p5%d;%p6%dm",
-		Mouse:           "\x1b[M",
-		MouseMode:       "%?%p1%{1}%=%t%'h'%Pa%e%'l'%Pa%;\x1b[?1000%ga%c\x1b[?1002%ga%c\x1b[?1003%ga%c\x1b[?1006%ga%c",
-		SetCursor:       "\x1b[%i%p1%d;%p2%dH",
-		CursorBack1:     "\b",
-		CursorUp1:       "\x1b[A",
-		KeyUp:           "\x1bOA",
-		KeyDown:         "\x1bOB",
-		KeyRight:        "\x1bOC",
-		KeyLeft:         "\x1bOD",
-		KeyInsert:       "\x1b[2~",
-		KeyDelete:       "\x1b[3~",
-		KeyBackspace:    "177",
-		KeyHome:         "\x1b[1~",
-		KeyEnd:          "\x1b[4~",
-		KeyPgUp:         "\x1b[5~",
-		KeyPgDn:         "\x1b[6~",
-		KeyF1:           "\x1bOP",
-		KeyF2:           "\x1bOQ",
-		KeyF3:           "\x1bOR",
-		KeyF4:           "\x1bOS",
-		KeyF5:           "\x1b[15~",
-		KeyF6:           "\x1b[17~",
-		KeyF7:           "\x1b[18~",
-		KeyF8:           "\x1b[19~",
-		KeyF9:           "\x1b[20~",
-		KeyF10:          "\x1b[21~",
-		KeyF11:          "\x1b[23~",
-		KeyF12:          "\x1b[24~",
-		KeyF13:          "\x1b[1;2P",
-		KeyF14:          "\x1b[1;2Q",
-		KeyF15:          "\x1b[1;2R",
-		KeyF16:          "\x1b[1;2S",
-		KeyF17:          "\x1b[15;2~",
-		KeyF18:          "\x1b[17;2~",
-		KeyF19:          "\x1b[18;2~",
-		KeyF20:          "\x1b[19;2~",
-		KeyF21:          "\x1b[20;2~",
-		KeyF22:          "\x1b[21;2~",
-		KeyF23:          "\x1b[23;2~",
-		KeyF24:          "\x1b[24;2~",
-		KeyF25:          "\x1b[1;5P",
-		KeyF26:          "\x1b[1;5Q",
-		KeyF27:          "\x1b[1;5R",
-		KeyF28:          "\x1b[1;5S",
-		KeyF29:          "\x1b[15;5~",
-		KeyF30:          "\x1b[17;5~",
-		KeyF31:          "\x1b[18;5~",
-		KeyF32:          "\x1b[19;5~",
-		KeyF33:          "\x1b[20;5~",
-		KeyF34:          "\x1b[21;5~",
-		KeyF35:          "\x1b[23;5~",
-		KeyF36:          "\x1b[24;5~",
-		KeyF37:          "\x1b[1;6P",
-		KeyF38:          "\x1b[1;6Q",
-		KeyF39:          "\x1b[1;6R",
-		KeyF40:          "\x1b[1;6S",
-		KeyF41:          "\x1b[15;6~",
-		KeyF42:          "\x1b[17;6~",
-		KeyF43:          "\x1b[18;6~",
-		KeyF44:          "\x1b[19;6~",
-		KeyF45:          "\x1b[20;6~",
-		KeyF46:          "\x1b[21;6~",
-		KeyF47:          "\x1b[23;6~",
-		KeyF48:          "\x1b[24;6~",
-		KeyF49:          "\x1b[1;3P",
-		KeyF50:          "\x1b[1;3Q",
-		KeyF51:          "\x1b[1;3R",
-		KeyF52:          "\x1b[1;3S",
-		KeyF53:          "\x1b[15;3~",
-		KeyF54:          "\x1b[17;3~",
-		KeyF55:          "\x1b[18;3~",
-		KeyF56:          "\x1b[19;3~",
-		KeyF57:          "\x1b[20;3~",
-		KeyF58:          "\x1b[21;3~",
-		KeyF59:          "\x1b[23;3~",
-		KeyF60:          "\x1b[24;3~",
-		KeyF61:          "\x1b[1;4P",
-		KeyF62:          "\x1b[1;4Q",
-		KeyF63:          "\x1b[1;4R",
-		KeyClear:        "\x1b[3;5~",
-		KeyBacktab:      "\x1b[Z",
-		KeyShfLeft:      "\x1b[1;2D",
-		KeyShfRight:     "\x1b[1;2C",
-		KeyShfUp:        "\x1b[1;2A",
-		KeyShfDown:      "\x1b[1;2B",
-		KeyCtrlLeft:     "\x1b[1;5D",
-		KeyCtrlRight:    "\x1b[1;5C",
-		KeyCtrlUp:       "\x1b[1;5A",
-		KeyCtrlDown:     "\x1b[1;5B",
-		KeyMetaLeft:     "\x1b[1;9D",
-		KeyMetaRight:    "\x1b[1;9C",
-		KeyMetaUp:       "\x1b[1;9A",
-		KeyMetaDown:     "\x1b[1;9B",
-		KeyAltLeft:      "\x1b[1;3D",
-		KeyAltRight:     "\x1b[1;3C",
-		KeyAltUp:        "\x1b[1;3A",
-		KeyAltDown:      "\x1b[1;3B",
-		KeyAltShfLeft:   "\x1b[1;4D",
-		KeyAltShfRight:  "\x1b[1;4C",
-		KeyAltShfUp:     "\x1b[1;4A",
-		KeyAltShfDown:   "\x1b[1;4B",
-		KeyMetaShfLeft:  "\x1b[1;10D",
-		KeyMetaShfRight: "\x1b[1;10C",
-		KeyMetaShfUp:    "\x1b[1;10A",
-		KeyMetaShfDown:  "\x1b[1;10B",
-		KeyCtrlShfLeft:  "\x1b[1;6D",
-		KeyCtrlShfRight: "\x1b[1;6C",
-		KeyCtrlShfUp:    "\x1b[1;6A",
-		KeyCtrlShfDown:  "\x1b[1;6B",
-		KeyShfHome:      "\x1b[1;2H",
-		KeyShfEnd:       "\x1b[1;2F",
-		KeyCtrlHome:     "\x1b[1;5H",
-		KeyCtrlEnd:      "\x1b[1;5F",
-		KeyAltHome:      "\x1b[1;9H",
-		KeyAltEnd:       "\x1b[1;9F",
-		KeyCtrlShfHome:  "\x1b[1;6H",
-		KeyCtrlShfEnd:   "\x1b[1;6F",
-		KeyMetaShfHome:  "\x1b[1;10H",
-		KeyMetaShfEnd:   "\x1b[1;10F",
-		KeyAltShfHome:   "\x1b[1;4H",
-		KeyAltShfEnd:    "\x1b[1;4F",
-	})
-}
diff --git a/vendor/github.com/gdamore/tcell/terminfo/term_xterm_truecolor.go b/vendor/github.com/gdamore/tcell/terminfo/term_xterm_truecolor.go
deleted file mode 100644
index d035e44e..00000000
--- a/vendor/github.com/gdamore/tcell/terminfo/term_xterm_truecolor.go
+++ /dev/null
@@ -1,155 +0,0 @@
-// Generated automatically.  DO NOT HAND-EDIT.
-
-package terminfo
-
-func init() {
-	// xterm with 256 colors
-	AddTerminfo(&Terminfo{
-		Name:            "xterm-truecolor",
-		Columns:         80,
-		Lines:           24,
-		Colors:          256,
-		Bell:            "\a",
-		Clear:           "\x1b[H\x1b[2J",
-		EnterCA:         "\x1b[?1049h",
-		ExitCA:          "\x1b[?1049l",
-		ShowCursor:      "\x1b[?12l\x1b[?25h",
-		HideCursor:      "\x1b[?25l",
-		AttrOff:         "\x1b(B\x1b[m",
-		Underline:       "\x1b[4m",
-		Bold:            "\x1b[1m",
-		Blink:           "\x1b[5m",
-		Reverse:         "\x1b[7m",
-		EnterKeypad:     "\x1b[?1h\x1b=",
-		ExitKeypad:      "\x1b[?1l\x1b>",
-		SetFg:           "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m",
-		SetBg:           "\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m",
-		SetFgBg:         "\x1b[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;;%?%p2%{8}%<%t4%p2%d%e%p2%{16}%<%t10%p2%{8}%-%d%e48;5;%p2%d%;m",
-		AltChars:        "``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~",
-		EnterAcs:        "\x1b(0",
-		ExitAcs:         "\x1b(B",
-		SetFgRGB:        "\x1b[38;2;%p1%d;%p2%d;%p3%dm",
-		SetBgRGB:        "\x1b[48;2;%p1%d;%p2%d;%p3%dm",
-		SetFgBgRGB:      "\x1b[38;2;%p1%d;%p2%d;%p3%d;48;2;%p4%d;%p5%d;%p6%dm",
-		Mouse:           "\x1b[M",
-		MouseMode:       "%?%p1%{1}%=%t%'h'%Pa%e%'l'%Pa%;\x1b[?1000%ga%c\x1b[?1002%ga%c\x1b[?1003%ga%c\x1b[?1006%ga%c",
-		SetCursor:       "\x1b[%i%p1%d;%p2%dH",
-		CursorBack1:     "\b",
-		CursorUp1:       "\x1b[A",
-		KeyUp:           "\x1bOA",
-		KeyDown:         "\x1bOB",
-		KeyRight:        "\x1bOC",
-		KeyLeft:         "\x1bOD",
-		KeyInsert:       "\x1b[2~",
-		KeyDelete:       "\x1b[3~",
-		KeyBackspace:    "\b",
-		KeyHome:         "\x1bOH",
-		KeyEnd:          "\x1bOF",
-		KeyPgUp:         "\x1b[5~",
-		KeyPgDn:         "\x1b[6~",
-		KeyF1:           "\x1bOP",
-		KeyF2:           "\x1bOQ",
-		KeyF3:           "\x1bOR",
-		KeyF4:           "\x1bOS",
-		KeyF5:           "\x1b[15~",
-		KeyF6:           "\x1b[17~",
-		KeyF7:           "\x1b[18~",
-		KeyF8:           "\x1b[19~",
-		KeyF9:           "\x1b[20~",
-		KeyF10:          "\x1b[21~",
-		KeyF11:          "\x1b[23~",
-		KeyF12:          "\x1b[24~",
-		KeyF13:          "\x1b[1;2P",
-		KeyF14:          "\x1b[1;2Q",
-		KeyF15:          "\x1b[1;2R",
-		KeyF16:          "\x1b[1;2S",
-		KeyF17:          "\x1b[15;2~",
-		KeyF18:          "\x1b[17;2~",
-		KeyF19:          "\x1b[18;2~",
-		KeyF20:          "\x1b[19;2~",
-		KeyF21:          "\x1b[20;2~",
-		KeyF22:          "\x1b[21;2~",
-		KeyF23:          "\x1b[23;2~",
-		KeyF24:          "\x1b[24;2~",
-		KeyF25:          "\x1b[1;5P",
-		KeyF26:          "\x1b[1;5Q",
-		KeyF27:          "\x1b[1;5R",
-		KeyF28:          "\x1b[1;5S",
-		KeyF29:          "\x1b[15;5~",
-		KeyF30:          "\x1b[17;5~",
-		KeyF31:          "\x1b[18;5~",
-		KeyF32:          "\x1b[19;5~",
-		KeyF33:          "\x1b[20;5~",
-		KeyF34:          "\x1b[21;5~",
-		KeyF35:          "\x1b[23;5~",
-		KeyF36:          "\x1b[24;5~",
-		KeyF37:          "\x1b[1;6P",
-		KeyF38:          "\x1b[1;6Q",
-		KeyF39:          "\x1b[1;6R",
-		KeyF40:          "\x1b[1;6S",
-		KeyF41:          "\x1b[15;6~",
-		KeyF42:          "\x1b[17;6~",
-		KeyF43:          "\x1b[18;6~",
-		KeyF44:          "\x1b[19;6~",
-		KeyF45:          "\x1b[20;6~",
-		KeyF46:          "\x1b[21;6~",
-		KeyF47:          "\x1b[23;6~",
-		KeyF48:          "\x1b[24;6~",
-		KeyF49:          "\x1b[1;3P",
-		KeyF50:          "\x1b[1;3Q",
-		KeyF51:          "\x1b[1;3R",
-		KeyF52:          "\x1b[1;3S",
-		KeyF53:          "\x1b[15;3~",
-		KeyF54:          "\x1b[17;3~",
-		KeyF55:          "\x1b[18;3~",
-		KeyF56:          "\x1b[19;3~",
-		KeyF57:          "\x1b[20;3~",
-		KeyF58:          "\x1b[21;3~",
-		KeyF59:          "\x1b[23;3~",
-		KeyF60:          "\x1b[24;3~",
-		KeyF61:          "\x1b[1;4P",
-		KeyF62:          "\x1b[1;4Q",
-		KeyF63:          "\x1b[1;4R",
-		KeyBacktab:      "\x1b[Z",
-		KeyShfLeft:      "\x1b[1;2D",
-		KeyShfRight:     "\x1b[1;2C",
-		KeyShfUp:        "\x1b[1;2A",
-		KeyShfDown:      "\x1b[1;2B",
-		KeyCtrlLeft:     "\x1b[1;5D",
-		KeyCtrlRight:    "\x1b[1;5C",
-		KeyCtrlUp:       "\x1b[1;5A",
-		KeyCtrlDown:     "\x1b[1;5B",
-		KeyMetaLeft:     "\x1b[1;9D",
-		KeyMetaRight:    "\x1b[1;9C",
-		KeyMetaUp:       "\x1b[1;9A",
-		KeyMetaDown:     "\x1b[1;9B",
-		KeyAltLeft:      "\x1b[1;3D",
-		KeyAltRight:     "\x1b[1;3C",
-		KeyAltUp:        "\x1b[1;3A",
-		KeyAltDown:      "\x1b[1;3B",
-		KeyAltShfLeft:   "\x1b[1;4D",
-		KeyAltShfRight:  "\x1b[1;4C",
-		KeyAltShfUp:     "\x1b[1;4A",
-		KeyAltShfDown:   "\x1b[1;4B",
-		KeyMetaShfLeft:  "\x1b[1;10D",
-		KeyMetaShfRight: "\x1b[1;10C",
-		KeyMetaShfUp:    "\x1b[1;10A",
-		KeyMetaShfDown:  "\x1b[1;10B",
-		KeyCtrlShfLeft:  "\x1b[1;6D",
-		KeyCtrlShfRight: "\x1b[1;6C",
-		KeyCtrlShfUp:    "\x1b[1;6A",
-		KeyCtrlShfDown:  "\x1b[1;6B",
-		KeyShfHome:      "\x1b[1;2H",
-		KeyShfEnd:       "\x1b[1;2F",
-		KeyCtrlHome:     "\x1b[1;5H",
-		KeyCtrlEnd:      "\x1b[1;5F",
-		KeyAltHome:      "\x1b[1;9H",
-		KeyAltEnd:       "\x1b[1;9F",
-		KeyCtrlShfHome:  "\x1b[1;6H",
-		KeyCtrlShfEnd:   "\x1b[1;6F",
-		KeyMetaShfHome:  "\x1b[1;10H",
-		KeyMetaShfEnd:   "\x1b[1;10F",
-		KeyAltShfHome:   "\x1b[1;4H",
-		KeyAltShfEnd:    "\x1b[1;4F",
-	})
-}
diff --git a/vendor/github.com/gdamore/tcell/terminfo/terminfo.go b/vendor/github.com/gdamore/tcell/terminfo/terminfo.go
index 881b9e01..a307f765 100644
--- a/vendor/github.com/gdamore/tcell/terminfo/terminfo.go
+++ b/vendor/github.com/gdamore/tcell/terminfo/terminfo.go
@@ -1,4 +1,4 @@
-// Copyright 2018 The TCell Authors
+// Copyright 2019 The TCell Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use file except in compliance with the License.
@@ -772,6 +772,11 @@ func LookupTerminfo(name string) (*Terminfo, error) {
 		return nil, ErrTermNotFound
 	}
 
+	addtruecolor := false
+	switch os.Getenv("COLORTERM") {
+	case "truecolor", "24bit", "24-bit":
+		addtruecolor = true
+	}
 	dblock.Lock()
 	t := terminfos[name]
 	dblock.Unlock()
@@ -867,8 +872,52 @@ func LookupTerminfo(name string) (*Terminfo, error) {
 			dblock.Unlock()
 		}
 	}
+
+	// If the name ends in -truecolor, then fabricate an entry
+	// from the corresponding -256color, -color, or bare terminal.
+	if t == nil && strings.HasSuffix(name, "-truecolor") {
+
+		suffixes := []string{
+			"-256color",
+			"-88color",
+			"-color",
+			"",
+		}
+		base := name[:len(name)-len("-truecolor")]
+		for _, s := range suffixes {
+			if t, _ = LookupTerminfo(base + s); t != nil {
+				addtruecolor = true
+				break
+			}
+		}
+	}
+
 	if t == nil {
 		return nil, ErrTermNotFound
 	}
+
+	switch os.Getenv("TCELL_TRUECOLOR") {
+	case "":
+	case "disable":
+		addtruecolor = false
+	default:
+		addtruecolor = true
+	}
+
+	// If the user has requested 24-bit color with $COLORTERM, then
+	// amend the value (unless already present).  This means we don't
+	// need to have a value present.
+	if addtruecolor &&
+		t.SetFgBgRGB == "" &&
+		t.SetFgRGB == "" &&
+		t.SetBgRGB == "" {
+
+		// Supply vanilla ISO 8613-6:1994 24-bit color sequences.
+		t.SetFgRGB = "\x1b[38;2;%p1%d;%p2%d;%p3%dm"
+		t.SetBgRGB = "\x1b[48;2;%p1%d;%p2%d;%p3%dm"
+		t.SetFgBgRGB = "\x1b[38;2;%p1%d;%p2%d;%p3%d;" +
+			"48;2;%p4%d;%p5%d;%p6%dm"
+	}
+
 	return t, nil
 }
diff --git a/vendor/github.com/gdamore/tcell/tscreen.go b/vendor/github.com/gdamore/tcell/tscreen.go
index 4c64e833..c4736409 100644
--- a/vendor/github.com/gdamore/tcell/tscreen.go
+++ b/vendor/github.com/gdamore/tcell/tscreen.go
@@ -74,6 +74,8 @@ type tScreen struct {
 	cells     CellBuffer
 	in        *os.File
 	out       *os.File
+	buffering bool // true if we are collecting writes to buf instead of sending directly to out
+	buf       bytes.Buffer
 	curstyle  Style
 	style     Style
 	evch      chan Event
@@ -614,7 +616,7 @@ func (t *tScreen) drawCell(x, y int) int {
 		width = 1
 		str = " "
 	}
-	io.WriteString(t.out, str)
+	t.writeString(str)
 	t.cx += width
 	t.cells.SetDirty(x, y, false)
 	if width > 1 {
@@ -649,8 +651,26 @@ func (t *tScreen) showCursor() {
 	t.cy = y
 }
 
+// writeString sends a string to the terminal. The string is sent as-is and
+// this function does not expand inline padding indications (of the form
+// $<[delay]> where [delay] is msec). In order to have these expanded, use
+// TPuts. If the screen is "buffering", the string is collected in a buffer,
+// with the intention that the entire buffer be sent to the terminal in one
+// write operation at some point later.
+func (t *tScreen) writeString(s string) {
+	if t.buffering {
+		io.WriteString(&t.buf, s)
+	} else {
+		io.WriteString(t.out, s)
+	}
+}
+
 func (t *tScreen) TPuts(s string) {
-	t.ti.TPuts(t.out, s, t.baud)
+	if t.buffering {
+		t.ti.TPuts(&t.buf, s, t.baud)
+	} else {
+		t.ti.TPuts(t.out, s, t.baud)
+	}
 }
 
 func (t *tScreen) Show() {
@@ -686,6 +706,12 @@ func (t *tScreen) draw() {
 	t.cx = -1
 	t.cy = -1
 
+	t.buf.Reset()
+	t.buffering = true
+	defer func() {
+		t.buffering = false
+	}()
+
 	// hide the cursor while we move stuff around
 	t.hideCursor()
 
@@ -710,6 +736,8 @@ func (t *tScreen) draw() {
 
 	// restore the cursor
 	t.showCursor()
+
+	t.buf.WriteTo(t.out)
 }
 
 func (t *tScreen) EnableMouse() {