doesn't quite work yet
This commit is contained in:
parent
de3f9cfadb
commit
6cd94df521
@ -1,135 +0,0 @@
|
||||
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)
|
||||
}
|
||||
@ -5,6 +5,7 @@ import (
|
||||
"log"
|
||||
|
||||
"git.yetaga.in/alazyreader/library/config"
|
||||
"git.yetaga.in/alazyreader/library/ui"
|
||||
"github.com/gdamore/tcell"
|
||||
"github.com/kelseyhightower/envconfig"
|
||||
)
|
||||
@ -24,21 +25,31 @@ func main() {
|
||||
log.Fatalln(err)
|
||||
}
|
||||
|
||||
l := NewList([]string{"foo", "bar", "baz"}, 0)
|
||||
b := NewBox(
|
||||
l := ui.NewList([]string{"foo", "bar", "baz"}, 0)
|
||||
menu := ui.NewBox(
|
||||
"library",
|
||||
[]string{"(e)dit", "(q)uit"},
|
||||
contents{{
|
||||
offsets: offsets{top: 1, left: 2, bottom: -2, right: -2},
|
||||
container: l,
|
||||
ui.Contents{{
|
||||
Offsets: ui.Offsets{Top: 1, Left: 2, Bottom: -2, Right: -2},
|
||||
Container: l,
|
||||
}},
|
||||
)
|
||||
activeBook := ui.NewBox(
|
||||
"book",
|
||||
[]string{"test"},
|
||||
ui.Contents{},
|
||||
)
|
||||
|
||||
container := ui.NewContainer(
|
||||
ui.Contents{{Container: menu}, {Container: activeBook}},
|
||||
ui.LayoutHorizontalEven,
|
||||
)
|
||||
|
||||
// init
|
||||
screen.Clear()
|
||||
w, h := screen.Size()
|
||||
b.SetSize(0, 0, h, w)
|
||||
b.Draw(screen)
|
||||
container.SetSize(0, 0, h, w)
|
||||
container.Draw(screen)
|
||||
screen.Sync()
|
||||
|
||||
// UI loop
|
||||
@ -48,11 +59,11 @@ func main() {
|
||||
case *tcell.EventError:
|
||||
screen.Beep()
|
||||
case *tcell.EventKey: // input handling
|
||||
if v.Key() == tcell.KeyUp && l.selected > 0 {
|
||||
l.selected = l.selected - 1
|
||||
if v.Key() == tcell.KeyUp && l.Selected() > 0 {
|
||||
l.SetSelected(l.Selected() - 1)
|
||||
}
|
||||
if v.Key() == tcell.KeyDown && l.selected < len(l.listItems)-1 {
|
||||
l.selected = l.selected + 1
|
||||
if v.Key() == tcell.KeyDown && l.Selected() < len(l.ListMembers())-1 {
|
||||
l.SetSelected(l.Selected() + 1)
|
||||
}
|
||||
if v.Rune() == 'q' {
|
||||
screen.Fini()
|
||||
@ -60,17 +71,17 @@ func main() {
|
||||
return
|
||||
}
|
||||
screen.Clear()
|
||||
b.Draw(screen)
|
||||
container.Draw(screen)
|
||||
case *tcell.EventResize: // screen redraw
|
||||
w, h := screen.Size()
|
||||
b.SetSize(0, 0, h, w)
|
||||
container.SetSize(0, 0, h, w)
|
||||
screen.Clear()
|
||||
b.Draw(screen)
|
||||
container.Draw(screen)
|
||||
case *tcell.EventInterrupt:
|
||||
case *tcell.EventMouse:
|
||||
case *tcell.EventTime:
|
||||
default:
|
||||
}
|
||||
screen.Sync() // repaint
|
||||
screen.Show() // repaint
|
||||
}
|
||||
}
|
||||
|
||||
226
ui/ui.go
Normal file
226
ui/ui.go
Normal file
@ -0,0 +1,226 @@
|
||||
package ui
|
||||
|
||||
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
|
||||
}
|
||||
|
||||
const (
|
||||
LayoutUnmanaged = iota
|
||||
LayoutHorizontalEven
|
||||
LayoutVerticalEven
|
||||
)
|
||||
|
||||
// A Container has no visible UI of its own, but arranges sub-components on the screen.
|
||||
// layoutMethod manages how subcomponents are organized. If `LayoutUnmanaged`, it just uses the offsets
|
||||
// in contents to paint on the screen. Otherwise, `LayoutHorizontalEven` and `LayoutVerticalEven` will
|
||||
// have it compute even distributions of space for all components either horizontally or vertically,
|
||||
// filling the container.
|
||||
type Container struct {
|
||||
x, y int
|
||||
h, w int
|
||||
layoutMethod int
|
||||
contents Contents
|
||||
}
|
||||
|
||||
func NewContainer(contents Contents, layoutMethod int) *Container {
|
||||
return &Container{
|
||||
layoutMethod: layoutMethod,
|
||||
contents: contents,
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Container) Draw(s tcell.Screen) {
|
||||
for i := range c.contents {
|
||||
c.contents[i].Container.Draw(s)
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Container) SetSize(x, y, h, w int) {
|
||||
c.x, c.y, c.h, c.w = x, y, h, w
|
||||
if c.layoutMethod == LayoutVerticalEven {
|
||||
num := len(c.contents)
|
||||
for r := range c.contents {
|
||||
x := c.x
|
||||
y := c.y + (num * (r + 1))
|
||||
h := c.h / num
|
||||
w := c.w
|
||||
c.contents[r].Container.SetSize(x, y, h, w)
|
||||
}
|
||||
} else if c.layoutMethod == LayoutHorizontalEven {
|
||||
num := len(c.contents)
|
||||
for r := range c.contents {
|
||||
w := c.w / num
|
||||
h := c.h
|
||||
x := c.x + (w * r)
|
||||
y := c.y
|
||||
c.contents[r].Container.SetSize(x, y, h, w)
|
||||
}
|
||||
} else {
|
||||
for r := range c.contents {
|
||||
x := c.x + c.contents[r].Offsets.Left
|
||||
y := c.y + c.contents[r].Offsets.Top
|
||||
h := c.h - c.contents[r].Offsets.Bottom
|
||||
w := c.w - c.contents[r].Offsets.Right
|
||||
c.contents[r].Container.SetSize(x, y, h, w)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *Container) Contents() Contents {
|
||||
return c.contents
|
||||
}
|
||||
|
||||
func (c *Container) SetContents(con Contents) {
|
||||
c.contents = con
|
||||
}
|
||||
|
||||
// A Box draws a ASCII box around its contents, with an optional title and footer.
|
||||
type Box struct {
|
||||
x, y int
|
||||
h, w int
|
||||
title Drawable
|
||||
menuItems Drawable
|
||||
contents Contents
|
||||
}
|
||||
|
||||
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)
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Box) Contents() Contents {
|
||||
return b.contents
|
||||
}
|
||||
|
||||
func (b *Box) SetContents(c Contents) {
|
||||
b.contents = c
|
||||
}
|
||||
|
||||
// A List is a scrollable, pageable list with a selector token.
|
||||
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)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (l *List) Selected() int {
|
||||
return l.selected
|
||||
}
|
||||
|
||||
func (l *List) SetSelected(i int) {
|
||||
l.selected = i
|
||||
}
|
||||
|
||||
func (l *List) ListMembers() []string {
|
||||
return l.listItems
|
||||
}
|
||||
|
||||
// PaddedText outputs strings with a space on both sides.
|
||||
// Useful for generating headings, footers, etc. Used by Box.
|
||||
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)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user