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51 lines
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6.3 KiB
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Combo boxes display a dropdown list of searchable and selectable options."><title>cosmic::widget::combo_box - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-aa0817cf.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="cosmic" data-themes="" data-resource-suffix="" data-rustdoc-version="1.90.0-nightly (3048886e5 2025-07-30)" data-channel="nightly" data-search-js="search-fa3e91e5.js" data-settings-js="settings-5514c975.js" ><script src="../../../static.files/storage-68b7e25d.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../../static.files/main-eebb9057.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-32bb7600.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../cosmic/index.html">cosmic</a><span class="version">1.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module combo_<wbr>box</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#example" title="Example">Example</a></li></ul><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#traits" title="Traits">Traits</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="../index.html">In cosmic::<wbr>widget</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">cosmic</a>::<wbr><a href="../index.html">widget</a></div><h1>Module <span>combo_box</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Combo boxes display a dropdown list of searchable and selectable options.</p>
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<h2 id="example"><a class="doc-anchor" href="#example">§</a>Example</h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>iced::widget::combo_box;
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<span class="kw">struct </span>State {
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fruits: combo_box::State<Fruit>,
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favorite: <span class="prelude-ty">Option</span><Fruit>,
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}
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<span class="attr">#[derive(Debug, Clone)]
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</span><span class="kw">enum </span>Fruit {
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Apple,
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Orange,
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Strawberry,
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Tomato,
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}
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<span class="attr">#[derive(Debug, Clone)]
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</span><span class="kw">enum </span>Message {
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FruitSelected(Fruit),
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}
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<span class="kw">fn </span>view(state: <span class="kw-2">&</span>State) -> Element<<span class="lifetime">'_</span>, Message> {
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combo_box(
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<span class="kw-2">&</span>state.fruits,
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<span class="string">"Select your favorite fruit..."</span>,
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state.favorite.as_ref(),
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Message::FruitSelected
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)
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.into()
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}
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<span class="kw">fn </span>update(state: <span class="kw-2">&mut </span>State, message: Message) {
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<span class="kw">match </span>message {
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Message::FruitSelected(fruit) => {
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state.favorite = <span class="prelude-val">Some</span>(fruit);
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}
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}
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}
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<span class="kw">impl </span>std::fmt::Display <span class="kw">for </span>Fruit {
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<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>std::fmt::Formatter<<span class="lifetime">'_</span>>) -> std::fmt::Result {
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f.write_str(<span class="kw">match </span><span class="self">self </span>{
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<span class="self">Self</span>::Apple => <span class="string">"Apple"</span>,
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<span class="self">Self</span>::Orange => <span class="string">"Orange"</span>,
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<span class="self">Self</span>::Strawberry => <span class="string">"Strawberry"</span>,
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<span class="self">Self</span>::Tomato => <span class="string">"Tomato"</span>,
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})
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}
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}</code></pre></div>
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</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.ComboBox.html" title="struct cosmic::widget::combo_box::ComboBox">Combo<wbr>Box</a></dt><dd>A widget for searching and selecting a single value from a list of options.</dd><dt><a class="struct" href="struct.State.html" title="struct cosmic::widget::combo_box::State">State</a></dt><dd>The local state of a <a href="../struct.ComboBox.html" title="struct cosmic::widget::ComboBox"><code>ComboBox</code></a>.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.Catalog.html" title="trait cosmic::widget::combo_box::Catalog">Catalog</a></dt><dd>The theme catalog of a <a href="../struct.ComboBox.html" title="struct cosmic::widget::ComboBox"><code>ComboBox</code></a>.</dd></dl></section></div></main></body></html> |