rae 0.1.8

Renderer-neutral widget, layout, sanitization, and GLSL shader primitives for Rust desktop tools.
Documentation 
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use rae::{
    hit_resize_handle, CommandItem, CommandPalette, CursorKind, HitMap, HitRegion, KeyModifier,
    Rect, ScrollAnchor, ScrollState, Shortcut, SnippetSet, TextSnippet, Vec2,
};

fn main() {
    let mut scroll = ScrollState::new().with_anchor(ScrollAnchor::Bottom);
    scroll.set_bounds(128, 16);
    scroll.scroll_to_end();
    scroll.set_bounds(133, 16);
    scroll.ensure_visible(120);

    println!("scroll visible rows: {:?}", scroll.visible_range());
    println!("scroll at end: {}", scroll.is_at_end());

    let panel = Rect::new(24.0, 64.0, 520.0, 360.0);
    let mut hits = HitMap::new();
    hits.push(HitRegion::new("panel", panel).with_cursor(CursorKind::Grab));
    hits.push(
        HitRegion::new("primary-action", Rect::new(404.0, 82.0, 112.0, 36.0))
            .with_z_index(10)
            .with_cursor(CursorKind::Pointer),
    );

    let pointer = Vec2::new(420.0, 96.0);
    if let Some(region) = hits.hit_test(pointer) {
        println!("hit: {} cursor:{:?}", region.id, region.cursor);
    }

    let resize = hit_resize_handle(panel, Vec2::new(544.0, 424.0), 8.0);
    println!(
        "resize: {:?} cursor:{:?}",
        resize,
        resize.map(|handle| handle.cursor())
    );

    let mut palette = CommandPalette::new([
        CommandItem::new("open", "Open File")
            .with_keywords(["document", "load"])
            .with_shortcut(Shortcut::new("O").with_modifiers([KeyModifier::Ctrl])),
        CommandItem::new("toggle.theme", "Toggle Theme")
            .with_keywords(["palette", "color"])
            .with_shortcut(
                Shortcut::new("T").with_modifiers([KeyModifier::Ctrl, KeyModifier::Shift]),
            ),
        CommandItem::new("copy.safe", "Copy Safe Text").with_keywords(["clipboard", "sanitize"]),
    ]);
    palette.set_query("pal");

    for item in palette.filtered_items() {
        let shortcut = item.shortcut.as_ref().map(|shortcut| shortcut.label());
        println!("command: {} shortcut:{:?}", item.title, shortcut);
    }

    let snippets = SnippetSet::new([
        TextSnippet::new("hdr", "# Section").with_keywords(["markdown", "heading"]),
        TextSnippet::new("code", "```rust\nfn main() {}\n```").with_description("Rust code fence"),
    ]);
    println!("snippet hdr: {:?}", snippets.expand("hdr"));
    println!(
        "snippet matches: {:?}",
        snippets
            .matches("rust")
            .iter()
            .map(|snippet| snippet.trigger.as_str())
            .collect::<Vec<_>>()
    );
}