hydroxy

Lightbox

A modal viewer for photos and videos. Zoom with the wheel, a pinch or a double-click and drag to pan; swipe or use the arrows to move on.

Usage

use hydroxy_leptos::button::{Button, ButtonVariant};
use hydroxy_leptos::lightbox::{Lightbox, LightboxItem};
use leptos::prelude::*;

pub fn demo() -> AnyView {
    let items = vec![
        LightboxItem::image("https://picsum.photos/id/1048/1800/1200", "Open-plan studio with a long oak desk")
            .thumb("https://picsum.photos/id/1048/300/300")
            .caption("Studio, ground floor. 64 m², south light."),
        LightboxItem::image("https://picsum.photos/id/1031/1800/1200", "Glass office tower from street level")
            .thumb("https://picsum.photos/id/1031/300/300")
            .caption("The building from Market Street."),
        LightboxItem::image("https://picsum.photos/id/1076/1800/1200", "Rooftop terrace at golden hour")
            .thumb("https://picsum.photos/id/1076/300/300")
            .caption("Shared roof terrace, open 7am to 10pm.")
            .download("https://picsum.photos/id/1076/3600/2400"),
    ];
    let (open, set_open) = signal(None::<usize>);

    view! {
        <div style="display: flex; flex-wrap: wrap; gap: var(--space-3);">
            <Button on_click=move |_| set_open.set(Some(0))>"View listing photos"</Button>
            <Button variant=ButtonVariant::Secondary on_click=move |_| set_open.set(Some(2))>"See the terrace"</Button>
        </div>
        // Controlled: the owner holds which photo is open.
        <Lightbox items=items index=open on_change=move |i| set_open.set(i) looping=true label="Listing photos" />
    }
    .into_any()
}

Anatomy

Componentdata-partRenders
LightboxcontentNative modal <dialog>: traps focus, Escape closes, focus returns on close
Lightboxheader / counter"3 of 12", announced politely as it changes
Lightboxzoom / download / closeIcon buttons. Zoom has aria-pressed; download is a link
LightboxstageThe zoom and swipe surface. data-zoomed, data-gesture
LightboxmediaThe <img> (zoomable) or <video controls>
Lightboxprev / nextIcon buttons; disabled at the ends unless looping
LightboxcaptionDescribes the dialog
Lightboxthumbs / thumbThe strip. The current thumb has aria-current
LightboxpreloadHidden neighbour images, so the next one is ready

Keyboard

KeyDoes
← / →Previous / next item
Home / EndFirst / last item
+ / -Zoom in / out
0Back to fitted
EscapeClose
Double-click, wheel, pinchZoom at the pointer; drag to pan while zoomed
SwipeNext or previous item when not zoomed

Props

PropTypeNotes
itemsVec<LightboxItem>Required. LightboxItem::image(src, alt) or ::video(src, alt)
indexOption<usize>Required. Which item shows; None closes
on_changeCallback<Option<usize>>Required. Asks for another item, or None to close
loopingboolWrap from the last item to the first
labelStringThe dialog's accessible name. Default "Media viewer"
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