<!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="Source of the Rust file `widgetry/src/widgets/stash.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>stash.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><script defer src="../../../main.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script>
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</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::cell::RefCell</span>;
<span class="kw">use</span> <span class="ident">std::rc::Rc</span>;

<span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">EventCtx</span>, <span class="ident">GfxCtx</span>, <span class="ident">ScreenDims</span>, <span class="ident">ScreenPt</span>, <span class="ident">Widget</span>, <span class="ident">WidgetImpl</span>, <span class="ident">WidgetOutput</span>};

<span class="doccomment">/// An invisible widget that stores some arbitrary data on the Panel. Users of the panel can read</span>
<span class="doccomment">/// and write the value. This is one method for &quot;returning&quot; data when a State completes.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Stash</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="ident">value</span>: <span class="ident">Rc</span><span class="op">&lt;</span><span class="ident">RefCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="lifetime">&#39;static</span><span class="op">&gt;</span> <span class="ident">Stash</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new_widget</span>(<span class="ident">name</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>, <span class="ident">value</span>: <span class="ident">T</span>) -&gt; <span class="ident">Widget</span> {
        <span class="ident">Widget::new</span>(<span class="ident">Box::new</span>(<span class="ident">Stash</span> {
            <span class="ident">value</span>: <span class="ident">Rc::new</span>(<span class="ident">RefCell::new</span>(<span class="ident">value</span>)),
        }))
        .<span class="ident">named</span>(<span class="ident">name</span>)
    }

    <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">get_value</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="ident">Rc</span><span class="op">&lt;</span><span class="ident">RefCell</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span><span class="op">&gt;</span> {
        <span class="self">self</span>.<span class="ident">value</span>.<span class="ident">clone</span>()
    }
}

<span class="kw">impl</span><span class="op">&lt;</span><span class="ident">T</span>: <span class="lifetime">&#39;static</span><span class="op">&gt;</span> <span class="ident">WidgetImpl</span> <span class="kw">for</span> <span class="ident">Stash</span><span class="op">&lt;</span><span class="ident">T</span><span class="op">&gt;</span> {
    <span class="kw">fn</span> <span class="ident">get_dims</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="ident">ScreenDims</span> {
        <span class="ident">ScreenDims::square</span>(<span class="number">0.0</span>)
    }

    <span class="kw">fn</span> <span class="ident">set_pos</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw">_</span>: <span class="ident">ScreenPt</span>) {}

    <span class="kw">fn</span> <span class="ident">event</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;mut</span> <span class="ident">EventCtx</span>, <span class="kw">_</span>: <span class="kw-2">&amp;mut</span> <span class="ident">WidgetOutput</span>) {}
    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&amp;mut</span> <span class="ident">GfxCtx</span>) {}
}
</code></pre></div>
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