ZacharyZhang-NY
5c3c883b7d
Dialogs on DialogBase with focusable panels that harbor parked focus, popovers on PopoverBase, bubbles, drawers, sheets, a lightbox, an RPG dialogue box, notifications, a pause menu and a dithered title card. Kit.Cue moves from feedback to pixel.
127 lines
3.3 KiB
Go
127 lines
3.3 KiB
Go
package overlay
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import (
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"fmt"
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"log/slog"
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"strings"
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"time"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/layout"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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var more = pixel.MustSprite(`
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#####
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.###.
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..#..
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`)
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type DialogueBoxOptions struct {
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// Name labels the speaker's tab.
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Name string
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// Portrait draws the speaker; nil shows none.
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Portrait *pixel.Sprite
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// CPS is the typing speed; zero means 30.
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CPS int
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Disabled bool
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}
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type DialogueBoxResult struct {
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Element *ui.Element
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// Changed turns a page; Done passes the last one.
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Changed, Done bool
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}
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type dialogueKey struct{}
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// typing is the page, when it began, and if out.
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type typing struct {
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page int
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since time.Time
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out bool
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}
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// DialogueBox types pages; a press shows all, then turns.
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func DialogueBox(c *ui.Context, pages []string, page *int, o DialogueBoxOptions) DialogueBoxResult {
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k := pixel.K(c)
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if *page < 0 || *page >= len(pages) {
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panic(fmt.Sprintf("overlay: DialogueBox page %d of %d", *page, len(pages)))
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}
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cps := pixel.Or("DialogueBox CPS", o.CPS, 30)
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off := o.Disabled || pixel.Current(c).Inert
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box := ui.Box(c).Role(ui.RoleText).Label(strings.TrimSpace(o.Name + " " + pages[*page])).FocusRing(false)
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if !off {
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box.Focusable()
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}
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pixel.Park(c, box, off)
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st := ui.Local(box, dialogueKey{}, func() typing { return typing{page: -1} })
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if st.page != *page {
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*st = typing{page: *page, since: k.Now()}
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}
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res := DialogueBoxResult{Element: box}
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// A press shows the whole page, then turns it.
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if !off && box.Clicked() {
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switch {
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case !st.out:
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st.out = true
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case *page < len(pages)-1:
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*page, res.Changed = *page+1, true
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*st = typing{page: *page, since: k.Now()}
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default:
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res.Done = true
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}
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}
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focus := box.FocusVisible()
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box.DrawOver(func(p *ui.Painter, r ui.Rect) {
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if focus {
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g := k.Canvas(p, r)
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g.FocusMark(0, 0, g.W, g.H)
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}
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}).Children(func() {
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layout.Window(c, layout.WindowOptions{Title: o.Name}, func() {
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ui.Row(c).Gap(k.D(8)).Children(func() {
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if sp := o.Portrait; sp != nil {
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ui.Box(c).Size(k.D(sp.W*2+6), k.D(sp.H*2+6)).Shrink(0).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Frame(0, 0, g.W, g.H, pixel.Sunken, pixel.Well)
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g.Sprite(3, 3, sp, 0, pixel.Ink, 2)
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})
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}
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words := ui.Box(c).Grow(1)
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w, check := pixel.WrapWidth(c, words)
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lines := pixel.Wrap(pages[*page], max(0, w-8), 0)
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total := 0
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for _, l := range lines {
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total += len([]rune(l))
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}
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shown := total
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if !st.out && !k.Reduce() {
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shown = k.Since(c, st.since, cps, total)
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}
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st.out = shown == total
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words.Height(k.D(max(2, len(lines)) * pixel.LineHeight)).Draw(func(p *ui.Painter, r ui.Rect) {
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check(r)
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g := k.Canvas(p, r)
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left, end := shown, 0
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for i, l := range lines {
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lr := []rune(l)
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n := min(len(lr), max(0, left))
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g.Text(0, i*pixel.LineHeight, string(lr[:n]), pixel.Ink, 1)
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left -= len(lr)
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end = pixel.Measure(string(lr[:n]))
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}
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if shown == total && g.Step(2)%2 == 0 {
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g.Sprite(end+3, len(lines)*pixel.LineHeight-6, more, 0, pixel.Accent, 1)
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}
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})
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})
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})
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})
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if res.Changed || res.Done {
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slog.Debug("8bit: dialogue", "name", o.Name, "page", *page, "done", res.Done)
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}
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return res
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}
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