alazyreader
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library
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continue to add more building blocks

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pull/1/head
David Ashby 2 years ago
parent 117c7e0e41
commit de3f9cfadb
3 changed files with 160 additions and 97 deletions
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135
cmd/manage/interface.go
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@ -0,0 +1,135 @@
package main
import (
"strings"
"github.com/gdamore/tcell"
)
type Drawable interface {
Draw(tcell.Screen)
SetSize(x, y, h, w int)
}
type offsets struct {
top int
bottom int
left int
right int
}
type contents []struct {
offsets offsets
container Drawable
}
type box struct {
x, y int
h, w int
title Drawable
menuItems Drawable
contents []struct {
offsets offsets
container Drawable
}
}
func NewBox(title string, menuItems []string, contents contents) *box {
return &box{
title: NewPaddedText(title),
menuItems: NewPaddedText(strings.Join(menuItems, " ")),
contents: contents,
}
}
func (b *box) SetSize(x, y, h, w int) {
b.x, b.y, b.h, b.w = x, y, h, w
b.title.SetSize(b.x+2, b.y, 0, 0)
b.menuItems.SetSize(b.x+2, b.y+b.h-1, 0, 0)
for c := range b.contents {
x := b.x + b.contents[c].offsets.left
y := b.y + b.contents[c].offsets.top
h := b.h - b.contents[c].offsets.bottom
w := b.w - b.contents[c].offsets.right
b.contents[c].container.SetSize(x, y, h, w)
}
}
func (b *box) Draw(s tcell.Screen) {
for m := 1; m < b.w-1; m++ {
s.SetContent(m, b.y, tcell.RuneHLine, nil, tcell.StyleDefault)
s.SetContent(m, b.h-1, tcell.RuneHLine, nil, tcell.StyleDefault)
}
for m := 1; m < b.h-1; m++ {
s.SetContent(b.x, m, tcell.RuneVLine, nil, tcell.StyleDefault)
s.SetContent(b.w-1, m, tcell.RuneVLine, nil, tcell.StyleDefault)
}
s.SetContent(b.x, b.y, tcell.RuneULCorner, nil, tcell.StyleDefault)
s.SetContent(b.w-1, b.y, tcell.RuneURCorner, nil, tcell.StyleDefault)
s.SetContent(b.x, b.h-1, tcell.RuneLLCorner, nil, tcell.StyleDefault)
s.SetContent(b.w-1, b.h-1, tcell.RuneLRCorner, nil, tcell.StyleDefault)
if b.title != nil {
b.title.Draw(s)
}
if b.menuItems != nil {
b.menuItems.Draw(s)
}
for c := range b.contents {
b.contents[c].container.Draw(s)
}
}
type list struct {
x, y int
h, w int
selected int
listItems []string
}
func NewList(listItems []string, initialSelected int) *list {
return &list{
listItems: listItems,
selected: initialSelected,
}
}
func (l *list) SetSize(x, y, h, w int) {
l.x, l.y, l.h, l.w = x, y, h, w
}
func (l *list) Draw(s tcell.Screen) {
for i := range l.listItems {
for j, r := range l.listItems[i] {
s.SetContent(l.x+j, l.y+i, r, nil, tcell.StyleDefault)
}
if i == l.selected {
s.SetContent(l.x+len(l.listItems[i])+1, l.y+i, '<', nil, tcell.StyleDefault)
}
}
}
type paddedText struct {
x, y int
h, w int
text string
}
func NewPaddedText(text string) *paddedText {
return &paddedText{text: text}
}
func (p *paddedText) SetSize(x, y, _, _ int) {
p.x, p.y, p.h, p.w = x, y, 1, len(p.text)+2
}
func (p *paddedText) Draw(s tcell.Screen) {
t := p.x
s.SetContent(t, p.y, ' ', nil, tcell.StyleDefault)
t++
for _, r := range p.text {
s.SetContent(t, p.y, r, nil, tcell.StyleDefault)
t++
}
s.SetContent(t, p.y, ' ', nil, tcell.StyleDefault)
}

120
cmd/manage/main.go
Unescape Escape View File

@ -15,7 +15,6 @@ func main() {
if err != nil {
log.Fatalln(err)
}
screen, err := tcell.NewScreen()
if err != nil {
log.Fatalln(err)
@ -24,31 +23,31 @@ func main() {
if err != nil {
log.Fatalln(err)
}
l := NewList([]string{"foo", "bar", "baz"}, 0)
b := NewBox(
"library",
[]string{"(e)dit", "(q)uit"},
contents{{
offsets: offsets{top: 1, left: 2, bottom: -2, right: -2},
container: l,
}},
)
// init
screen.Clear()
w, h := screen.Size()
l := &list{
w: w - 4, h: h - 4,
x: 2, y: 1,
selected: 2,
listItems: []string{"foo", "bar", "baz"},
}
b := &box{
w: w, h: h,
x: 0, y: 0,
title: "library",
menuItems: []string{"(e)dit", "(q)uit"},
contents: l,
}
b.SetSize(0, 0, h, w)
b.Draw(screen)
screen.Sync()
// UI loop
for {
e := screen.PollEvent()
switch v := e.(type) {
case *tcell.EventError:
screen.Clear()
screen.Beep()
b.draw(screen)
screen.SetContent(1, 1, 'E', nil, tcell.StyleDefault)
case *tcell.EventKey:
screen.Clear()
case *tcell.EventKey: // input handling
if v.Key() == tcell.KeyUp && l.selected > 0 {
l.selected = l.selected - 1
}
@ -60,89 +59,18 @@ func main() {
fmt.Printf("Thank you for playing Wing Commander!\n\n")
return
}
b.draw(screen)
case *tcell.EventResize:
screen.Clear()
b.Draw(screen)
case *tcell.EventResize: // screen redraw
w, h := screen.Size()
b.w, b.h = w, h
b.draw(screen)
b.SetSize(0, 0, h, w)
screen.Clear()
b.Draw(screen)
case *tcell.EventInterrupt:
case *tcell.EventMouse:
case *tcell.EventTime:
default:
}
screen.Sync()
}
}
type drawable interface {
draw(tcell.Screen)
}
type box struct {
x, y int
h, w int
title string
menuItems []string
contents drawable
}
func (b *box) draw(s tcell.Screen) {
for m := 1; m < b.w-1; m++ {
s.SetContent(m, b.y, tcell.RuneHLine, nil, tcell.StyleDefault)
s.SetContent(m, b.h-1, tcell.RuneHLine, nil, tcell.StyleDefault)
}
for m := 1; m < b.h-1; m++ {
s.SetContent(b.x, m, tcell.RuneVLine, nil, tcell.StyleDefault)
s.SetContent(b.w-1, m, tcell.RuneVLine, nil, tcell.StyleDefault)
}
s.SetContent(b.x, b.y, tcell.RuneULCorner, nil, tcell.StyleDefault)
s.SetContent(b.w-1, b.y, tcell.RuneURCorner, nil, tcell.StyleDefault)
s.SetContent(b.x, b.h-1, tcell.RuneLLCorner, nil, tcell.StyleDefault)
s.SetContent(b.w-1, b.h-1, tcell.RuneLRCorner, nil, tcell.StyleDefault)
if b.title != "" {
t := b.x + 2
s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
t++
for _, r := range b.title {
s.SetContent(t, b.y, r, nil, tcell.StyleDefault)
t++
}
s.SetContent(t, b.y, ' ', nil, tcell.StyleDefault)
}
if len(b.menuItems) != 0 {
t := b.x + 2
s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
t++
for i := range b.menuItems {
for _, r := range b.menuItems[i] {
s.SetContent(t, b.h-1, r, nil, tcell.StyleDefault)
t++
}
s.SetContent(t, b.h-1, ' ', nil, tcell.StyleDefault)
t++
}
}
if b.contents != nil {
b.contents.draw(s)
}
}
type list struct {
x, y int
h, w int
selected int
listItems []string
}
func (l *list) draw(s tcell.Screen) {
for i := range l.listItems {
for j, r := range l.listItems[i] {
s.SetContent(l.x+j, l.y+i, r, nil, tcell.StyleDefault)
}
if i == l.selected {
s.SetContent(l.x+len(l.listItems[i])+1, l.y+i, '<', nil, tcell.StyleDefault)
}
screen.Sync() // repaint
}
}

2
docker-compose.yml
Unescape Escape View File

@ -5,4 +5,4 @@ services:
ports:
- 3306:3306
environment:
- MYSQL_ROOT_PASSWORD=KigYBNCT9IU5XyB3ehzMLFWyI
- MYSQL_ROOT_PASSWORD=KigYBNCT9IU5XyB3ehzMLFWyI # for dev testing only, obviously.

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