Changed to *Line in panel.

door/line.go

@@ -88,8 +88,8 @@ type Line struct {
 	Width        int           // Line length
 }
 
-func NewLine(text string) Line {
-	return Line{Text: bytes.NewBuffer([]byte(text))}
+func NewLine(text string) *Line {
+	return &Line{Text: bytes.NewBuffer([]byte(text))}
 }
 
 /*

door/line_test.go

@@ -10,7 +10,7 @@ import (
 func TestLine(t *testing.T) {
 	var textBuff *bytes.Buffer = &bytes.Buffer{}
 	textBuff.WriteString("Test Me")
-	var line Line = Line{Text: textBuff}
+	var line *Line = &Line{Text: textBuff}
 	var output string = string(line.Output())
 	var expect string = string("Test Me")
 
@@ -51,7 +51,7 @@ func TestLineUpdate(t *testing.T) {
 		u.Reset()
 		fmt.Fprintf(u, "Count: %d", counter)
 	}
-	var line Line = Line{UpdateF: uf}
+	var line *Line = &Line{UpdateF: uf}
 	line.Update()
 	var output string = string(line.Output())
 	var expect string = "Count: 0"
@@ -82,7 +82,7 @@ func TestLineUnicode(t *testing.T) {
 	// code point > FFFF, use \U00000000 (not \u).
 	var lineBuff *bytes.Buffer = &bytes.Buffer{}
 	lineBuff.WriteString("Howdy \U0001f920")
-	var line Line = Line{Text: lineBuff}
+	var line *Line = &Line{Text: lineBuff}
 	var output []byte = line.Output()
 	var expect []byte = []byte("Howdy 🤠")
 
@@ -111,7 +111,7 @@ func TestLineCP437(t *testing.T) {
 	for _, test := range tests {
 		var lineBuff *bytes.Buffer = &bytes.Buffer{}
 		lineBuff.WriteString(test)
-		var line Line = Line{Text: lineBuff}
+		var line *Line = &Line{Text: lineBuff}
 		var output string = string(line.Output())
 		var expect string = test
 
@@ -132,7 +132,7 @@ func BenchmarkLine(b *testing.B) {
 	for n := 0; n < b.N; n++ {
 		var lineBuff *bytes.Buffer = &bytes.Buffer{}
 		lineBuff.WriteString(fmt.Sprintf("Line %d of %d", n, b.N))
-		var line Line = Line{Text: lineBuff}
+		var line *Line = &Line{Text: lineBuff}
 		line.Output()
 	}
 }
@@ -143,7 +143,7 @@ func BenchmarkLineColor(b *testing.B) {
 	for n := 0; n < b.N; n++ {
 		var lineBuff *bytes.Buffer = &bytes.Buffer{}
 		lineBuff.WriteString(fmt.Sprintf("Line %d of %d", n, b.N))
-		var line Line = Line{Text: lineBuff, DefaultColor: color}
+		var line *Line = &Line{Text: lineBuff, DefaultColor: color}
 		line.Output()
 	}
 }
@@ -178,7 +178,7 @@ func printd(value int64, write io.Writer) {
 
 func BenchmarkLineUpdate(b *testing.B) {
 	Unicode = false
-	var line Line = Line{}
+	var line *Line = &Line{}
 	var n int
 
 	line.UpdateF = func(u *bytes.Buffer) {
@@ -202,7 +202,7 @@ func BenchmarkLineUpdate(b *testing.B) {
 func BenchmarkLineRender(b *testing.B) {
 	Unicode = false
 	var rf ColorRender = RenderUppercase("RED", "GREEN")
-	var line Line = NewLine("ThIs Is CrAzY TeXt HeRe")
+	var line *Line = NewLine("ThIs Is CrAzY TeXt HeRe")
 	line.RenderF = rf
 	var n int
 
@@ -271,7 +271,7 @@ func BenchmarkLineRenderUpdate(b *testing.B) {
 		up++
 		// return fmt.Sprintf("The Value: %d", up)
 	}
-	var line Line = Line{UpdateF: updater,
+	var line *Line = &Line{UpdateF: updater,
 		RenderF: render,
 		Width:   18}
 

door/menu.go

@@ -77,7 +77,7 @@ func (m *Menu) AddSelection(key string, text string) {
 
 	var linetext *bytes.Buffer = &bytes.Buffer{}
 	linetext.WriteString("[" + key + "] " + text + strings.Repeat(" ", m.Width-(4+len(text))))
-	m.Lines = append(m.Lines, Line{Text: linetext, RenderF: m.UnselectedR})
+	m.Lines = append(m.Lines, &Line{Text: linetext, RenderF: m.UnselectedR})
 }
 
 // Should I be using this, or write a function like the original --

door/panel.go

@@ -22,7 +22,7 @@ type Panel struct {
 	Width       int
 	Style       BorderStyle
 	BorderColor string
-	Lines       []Line
+	Lines       []*Line
 	Title       string
 	TitleColor  string
 	TitleOffset int
@@ -259,7 +259,7 @@ func (p *Panel) UpdateLine(index int) []byte {
 		row++
 		col++
 	}
-	var line *Line = &p.Lines[index]
+	var line *Line = p.Lines[index]
 	p.output.Write(Goto(col, row))
 	p.output.Write(line.Output())
 	return p.output.Bytes()
@@ -282,8 +282,8 @@ func Single(bs BorderStyle) bool {
 }
 
 // Create a spacer line that will be connected maybe to the sides.
-func (p *Panel) Spacer() Line {
-	var l Line = Line{Text: &bytes.Buffer{}}
+func (p *Panel) Spacer() *Line {
+	var l *Line = &Line{Text: &bytes.Buffer{}}
 	var pos int
 
 	if Single(p.Style) {

door/panel_test.go

@@ -59,7 +59,7 @@ func TestPanelUpdate(t *testing.T) {
 		u.Reset()
 		fmt.Fprintf(u, "%3d", x)
 	}
-	var l Line = Line{UpdateF: updater}
+	var l *Line = &Line{UpdateF: updater}
 	l.Update()
 	p.Lines = append(p.Lines, l)
 
@@ -117,7 +117,7 @@ func BenchmarkPanel(b *testing.B) {
 		u.Reset()
 		fmt.Fprintf(u, "%3d", x)
 	}
-	var l Line = Line{UpdateF: updater}
+	var l *Line = &Line{UpdateF: updater}
 	l.Update()
 	p.Lines = append(p.Lines, l)
 	p.Lines = append(p.Lines, l)
@@ -143,7 +143,7 @@ func BenchmarkPanelRender(b *testing.B) {
 			fmt.Fprintf(u, "tEsT %3d", x)
 		}
 	}
-	var l Line = Line{UpdateF: updater, RenderF: RenderUppercase("BRI WHI ON BLUE", "GREEN")}
+	var l *Line = &Line{UpdateF: updater, RenderF: RenderUppercase("BRI WHI ON BLUE", "GREEN")}
 	l.Update()
 	p.Lines = append(p.Lines, l)
 	p.Lines = append(p.Lines, l)

door/wopr.go

@@ -69,7 +69,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	w.ElapsedPanel.Lines = append(w.ElapsedPanel.Lines, NewLine("      GAME      "))
 	w.ElapsedPanel.Lines = append(w.ElapsedPanel.Lines, NewLine("  TIME ELAPSED  "))
 
-	var ehour Line = Line{}
+	var ehour *Line = &Line{}
 	ehour.UpdateF = func(u *bytes.Buffer) {
 		var hours int = int(w.ElapsedD.Hours())
 		u.Reset()
@@ -86,7 +86,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	// ehour.Text.Write(ehour.update)
 	w.ElapsedPanel.Lines = append(w.ElapsedPanel.Lines, ehour)
 
-	var eminsec Line = Line{}
+	var eminsec *Line = &Line{}
 	eminsec.UpdateF = func(u *bytes.Buffer) {
 		var mins int = int(w.ElapsedD.Minutes()) % 60
 		var secs int = int(w.ElapsedD.Seconds()) % 60
@@ -96,7 +96,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	eminsec.Update() // Text.Write(eminsec.UpdateF())
 	w.ElapsedPanel.Lines = append(w.ElapsedPanel.Lines, eminsec)
 
-	var eanimate Line = Line{}
+	var eanimate *Line = &Line{}
 	eanimate.UpdateF = func(u *bytes.Buffer) {
 		u.Reset()
 		// Left to Right
@@ -137,7 +137,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	w.RemainingPanel.Lines = append(w.RemainingPanel.Lines, NewLine("      GAME      "))
 	w.RemainingPanel.Lines = append(w.RemainingPanel.Lines, NewLine(" TIME REMAINING "))
 
-	var rhour Line = Line{}
+	var rhour *Line = &Line{}
 	rhour.UpdateF = func(u *bytes.Buffer) {
 		var hours int = int(w.RemainingD.Hours())
 		u.Reset()
@@ -152,7 +152,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	rhour.Update() // Text.Write(rhour.UpdateF())
 	w.RemainingPanel.Lines = append(w.RemainingPanel.Lines, rhour)
 
-	var rminsec Line = Line{}
+	var rminsec *Line = &Line{}
 	rminsec.UpdateF = func(u *bytes.Buffer) {
 		var mins int = int(w.RemainingD.Minutes()) % 60
 		var secs int = int(w.RemainingD.Seconds()) % 60
@@ -162,7 +162,7 @@ func (w *WOPR) Init(elapsed time.Time, remaining time.Time, color string) {
 	rminsec.Update() // Text.Write(rminsec.UpdateF())
 	w.RemainingPanel.Lines = append(w.RemainingPanel.Lines, rminsec)
 
-	var ranimate Line = Line{}
+	var ranimate *Line = &Line{}
 
 	ranimate.UpdateF = func(u *bytes.Buffer) {
 		u.Reset()