continue to add more building blocks
This commit is contained in:
135
cmd/manage/interface.go
Normal file
135
cmd/manage/interface.go
Normal file
@@ -0,0 +1,135 @@
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package main
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import (
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"strings"
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"github.com/gdamore/tcell"
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)
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type Drawable interface {
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Draw(tcell.Screen)
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SetSize(x, y, h, w int)
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}
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type offsets struct {
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top int
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bottom int
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left int
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right int
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}
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type contents []struct {
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offsets offsets
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container Drawable
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}
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type box struct {
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x, y int
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h, w int
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title Drawable
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menuItems Drawable
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contents []struct {
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offsets offsets
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container Drawable
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}
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}
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func NewBox(title string, menuItems []string, contents contents) *box {
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return &box{
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title: NewPaddedText(title),
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menuItems: NewPaddedText(strings.Join(menuItems, " ")),
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contents: contents,
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}
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}
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func (b *box) SetSize(x, y, h, w int) {
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b.x, b.y, b.h, b.w = x, y, h, w
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b.title.SetSize(b.x+2, b.y, 0, 0)
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b.menuItems.SetSize(b.x+2, b.y+b.h-1, 0, 0)
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for c := range b.contents {
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x := b.x + b.contents[c].offsets.left
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y := b.y + b.contents[c].offsets.top
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h := b.h - b.contents[c].offsets.bottom
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w := b.w - b.contents[c].offsets.right
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b.contents[c].container.SetSize(x, y, h, w)
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}
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}
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func (b *box) Draw(s tcell.Screen) {
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for m := 1; m < b.w-1; m++ {
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s.SetContent(m, b.y, tcell.RuneHLine, nil, tcell.StyleDefault)
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s.SetContent(m, b.h-1, tcell.RuneHLine, nil, tcell.StyleDefault)
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}
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for m := 1; m < b.h-1; m++ {
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s.SetContent(b.x, m, tcell.RuneVLine, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, m, tcell.RuneVLine, nil, tcell.StyleDefault)
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}
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s.SetContent(b.x, b.y, tcell.RuneULCorner, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, b.y, tcell.RuneURCorner, nil, tcell.StyleDefault)
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s.SetContent(b.x, b.h-1, tcell.RuneLLCorner, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, b.h-1, tcell.RuneLRCorner, nil, tcell.StyleDefault)
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if b.title != nil {
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b.title.Draw(s)
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}
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if b.menuItems != nil {
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b.menuItems.Draw(s)
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}
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for c := range b.contents {
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b.contents[c].container.Draw(s)
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}
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}
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type list struct {
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x, y int
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h, w int
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selected int
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listItems []string
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}
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func NewList(listItems []string, initialSelected int) *list {
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return &list{
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listItems: listItems,
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selected: initialSelected,
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}
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}
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func (l *list) SetSize(x, y, h, w int) {
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l.x, l.y, l.h, l.w = x, y, h, w
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}
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func (l *list) Draw(s tcell.Screen) {
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for i := range l.listItems {
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for j, r := range l.listItems[i] {
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s.SetContent(l.x+j, l.y+i, r, nil, tcell.StyleDefault)
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}
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if i == l.selected {
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s.SetContent(l.x+len(l.listItems[i])+1, l.y+i, '<', nil, tcell.StyleDefault)
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}
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}
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}
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type paddedText struct {
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x, y int
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h, w int
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text string
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}
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func NewPaddedText(text string) *paddedText {
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return &paddedText{text: text}
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}
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func (p *paddedText) SetSize(x, y, _, _ int) {
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p.x, p.y, p.h, p.w = x, y, 1, len(p.text)+2
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}
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func (p *paddedText) Draw(s tcell.Screen) {
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t := p.x
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s.SetContent(t, p.y, ' ', nil, tcell.StyleDefault)
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t++
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for _, r := range p.text {
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s.SetContent(t, p.y, r, nil, tcell.StyleDefault)
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t++
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}
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s.SetContent(t, p.y, ' ', nil, tcell.StyleDefault)
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}
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@@ -15,7 +15,6 @@ func main() {
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if err != nil {
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log.Fatalln(err)
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}
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screen, err := tcell.NewScreen()
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if err != nil {
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log.Fatalln(err)
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@@ -24,31 +23,31 @@ func main() {
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if err != nil {
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log.Fatalln(err)
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}
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l := NewList([]string{"foo", "bar", "baz"}, 0)
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b := NewBox(
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"library",
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[]string{"(e)dit", "(q)uit"},
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contents{{
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offsets: offsets{top: 1, left: 2, bottom: -2, right: -2},
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container: l,
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}},
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)
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// init
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screen.Clear()
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w, h := screen.Size()
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l := &list{
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w: w - 4, h: h - 4,
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x: 2, y: 1,
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selected: 2,
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listItems: []string{"foo", "bar", "baz"},
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}
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b := &box{
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w: w, h: h,
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x: 0, y: 0,
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title: "library",
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menuItems: []string{"(e)dit", "(q)uit"},
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contents: l,
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}
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b.SetSize(0, 0, h, w)
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b.Draw(screen)
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screen.Sync()
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// UI loop
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for {
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e := screen.PollEvent()
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switch v := e.(type) {
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case *tcell.EventError:
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screen.Clear()
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screen.Beep()
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b.draw(screen)
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screen.SetContent(1, 1, 'E', nil, tcell.StyleDefault)
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case *tcell.EventKey:
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screen.Clear()
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case *tcell.EventKey: // input handling
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if v.Key() == tcell.KeyUp && l.selected > 0 {
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l.selected = l.selected - 1
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}
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@@ -60,89 +59,18 @@ func main() {
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fmt.Printf("Thank you for playing Wing Commander!\n\n")
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return
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}
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b.draw(screen)
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case *tcell.EventResize:
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screen.Clear()
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b.Draw(screen)
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case *tcell.EventResize: // screen redraw
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w, h := screen.Size()
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b.w, b.h = w, h
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b.draw(screen)
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b.SetSize(0, 0, h, w)
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screen.Clear()
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b.Draw(screen)
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case *tcell.EventInterrupt:
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case *tcell.EventMouse:
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case *tcell.EventTime:
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default:
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}
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screen.Sync()
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}
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}
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type drawable interface {
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draw(tcell.Screen)
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}
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type box struct {
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x, y int
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h, w int
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title string
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menuItems []string
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contents drawable
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}
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func (b *box) draw(s tcell.Screen) {
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for m := 1; m < b.w-1; m++ {
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s.SetContent(m, b.y, tcell.RuneHLine, nil, tcell.StyleDefault)
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s.SetContent(m, b.h-1, tcell.RuneHLine, nil, tcell.StyleDefault)
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}
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for m := 1; m < b.h-1; m++ {
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s.SetContent(b.x, m, tcell.RuneVLine, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, m, tcell.RuneVLine, nil, tcell.StyleDefault)
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}
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s.SetContent(b.x, b.y, tcell.RuneULCorner, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, b.y, tcell.RuneURCorner, nil, tcell.StyleDefault)
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s.SetContent(b.x, b.h-1, tcell.RuneLLCorner, nil, tcell.StyleDefault)
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s.SetContent(b.w-1, b.h-1, tcell.RuneLRCorner, nil, tcell.StyleDefault)
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if b.title != "" {
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t := b.x + 2
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s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
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t++
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for _, r := range b.title {
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s.SetContent(t, b.y, r, nil, tcell.StyleDefault)
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t++
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}
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s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
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}
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if len(b.menuItems) != 0 {
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t := b.x + 2
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s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
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t++
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for i := range b.menuItems {
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for _, r := range b.menuItems[i] {
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s.SetContent(t, b.h-1, r, nil, tcell.StyleDefault)
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t++
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}
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s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
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t++
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}
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}
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if b.contents != nil {
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b.contents.draw(s)
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}
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}
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type list struct {
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x, y int
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h, w int
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selected int
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listItems []string
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}
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func (l *list) draw(s tcell.Screen) {
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for i := range l.listItems {
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for j, r := range l.listItems[i] {
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s.SetContent(l.x+j, l.y+i, r, nil, tcell.StyleDefault)
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}
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if i == l.selected {
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s.SetContent(l.x+len(l.listItems[i])+1, l.y+i, '<', nil, tcell.StyleDefault)
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}
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screen.Sync() // repaint
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}
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}
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@@ -5,4 +5,4 @@ services:
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ports:
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- 3306:3306
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environment:
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- MYSQL_ROOT_PASSWORD=KigYBNCT9IU5XyB3ehzMLFWyI
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- MYSQL_ROOT_PASSWORD=KigYBNCT9IU5XyB3ehzMLFWyI # for dev testing only, obviously.
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