<!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> <noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[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">☰</button><a class="sidebar-logo" href="../../../widgetry/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> </a><h2 class="location"></h2> </nav> <nav class="sidebar"><a class="sidebar-logo" href="../../../widgetry/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../widgetry/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10">10</span> <span id="11">11</span> <span id="12">12</span> <span id="13">13</span> <span id="14">14</span> <span id="15">15</span> <span id="16">16</span> <span id="17">17</span> <span id="18">18</span> <span id="19">19</span> <span id="20">20</span> <span id="21">21</span> <span id="22">22</span> <span id="23">23</span> <span id="24">24</span> <span id="25">25</span> <span id="26">26</span> <span id="27">27</span> <span id="28">28</span> <span id="29">29</span> <span id="30">30</span> <span id="31">31</span> <span id="32">32</span> <span id="33">33</span> <span id="34">34</span> </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 "returning" data when a State completes.</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Stash</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="ident">value</span>: <span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span>, } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">Stash</span><span class="op"><</span><span class="ident">T</span><span class="op">></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">&</span><span class="ident">str</span>, <span class="ident">value</span>: <span class="ident">T</span>) -> <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">&</span><span class="self">self</span>) -> <span class="ident">Rc</span><span class="op"><</span><span class="ident">RefCell</span><span class="op"><</span><span class="ident">T</span><span class="op">></span><span class="op">></span> { <span class="self">self</span>.<span class="ident">value</span>.<span class="ident">clone</span>() } } <span class="kw">impl</span><span class="op"><</span><span class="ident">T</span>: <span class="lifetime">'static</span><span class="op">></span> <span class="ident">WidgetImpl</span> <span class="kw">for</span> <span class="ident">Stash</span><span class="op"><</span><span class="ident">T</span><span class="op">></span> { <span class="kw">fn</span> <span class="ident">get_dims</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <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">&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">&mut</span> <span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&mut</span> <span class="ident">EventCtx</span>, <span class="kw">_</span>: <span class="kw-2">&mut</span> <span class="ident">WidgetOutput</span>) {} <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: <span class="kw-2">&mut</span> <span class="ident">GfxCtx</span>) {} } </code></pre></div> </section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="widgetry" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.60.0 (7737e0b5c 2022-04-04)" ></div> </body></html>