Files
8bitMyGoUI/overlay/lightbox.go
T
ZacharyZhang-NY 5c3c883b7d Add overlay components 176-195; pixel Harbor and Kit.Cue
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.
2026-10-11 23:11:46 -04:00

71 lines
2.2 KiB
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package overlay
import (
"fmt"
"log/slog"
"github.com/egoist/mygo/ui"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/icon"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/input"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
)
type LightboxOptions struct {
Disabled bool
}
type LightboxResult struct {
Element *ui.Element
// Changed turns the picture; Closed is ×, Escape or outside.
Changed, Closed bool
}
// Lightbox shows pictures over a dark veil, with ◀ ▶.
func Lightbox(c *ui.Context, text string, n int, at *int, open *bool, o LightboxOptions, picture func(i int)) LightboxResult {
k := pixel.K(c)
if n < 1 || *at < 0 || *at >= n {
panic(fmt.Sprintf("overlay: Lightbox picture %d of %d", *at, n))
}
was, old := *open, *at
off := o.Disabled || pixel.Current(c).Inert
turn := func(d int) { *at = (*at + d + n) % n }
var res LightboxResult
res.Element = ui.DialogBase(c, open, func(back, panel *ui.Element) {
deep, light := dark(k)
dim(k, back, deep, 13)
left, right := panel.Shortcut(0, ui.KeyLeft), panel.Shortcut(0, ui.KeyRight)
switch {
case off:
case left:
turn(-1)
case right:
turn(1)
}
panel.Label(text).Focusable().FocusRing(false).AlignItems(ui.Center).Gap(k.D(6)).Children(func() {
pixel.Harbor(c, panel, func() {
ui.Row(c).Gap(k.D(6)).AlignItems(ui.Center).Children(func() {
if input.IconButton(c, icon.ChevronLeft, k.Msg("prev"), input.IconButtonOptions{Disabled: o.Disabled}).Clicked {
turn(-1)
}
ui.Box(c).Key(*at).Children(func() { picture(*at) })
if input.IconButton(c, icon.ChevronRight, k.Msg("next"), input.IconButtonOptions{Disabled: o.Disabled}).Clicked {
turn(1)
}
})
ui.Row(c).Gap(k.D(8)).AlignItems(ui.Center).Children(func() {
pixel.Text(c, fmt.Sprintf("%d / %d", *at+1, n), pixel.TextOptions{Slot: light})
if input.IconButton(c, icon.Close, k.Msg("close"), input.IconButtonOptions{Size: input.Small, Disabled: o.Disabled}).Clicked {
*open = false
}
})
})
})
})
res.Changed, res.Closed = *at != old, was && !*open
if res.Changed || res.Closed {
slog.Debug("8bit: lightbox", "label", text, "at", *at, "closed", res.Closed)
}
return res
}