<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="API documentation for the Rust `SharedAppState` trait in crate `widgetry`."><metaname="keywords"content="rust, rustlang, rust-lang, SharedAppState"><title>widgetry::app_state::SharedAppState - Rust</title><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../ayu.css"disabled><scriptsrc="../../storage.js"></script><noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="shortcut icon"href="../../favicon.ico"><styletype="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><bodyclass="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu">☰</div><ahref='../../widgetry/index.html'><divclass='logo-container rust-logo'><imgsrc='../../rust-logo.png'alt='logo'></div></a><pclass='location'>Trait SharedAppState</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#provided-methods">Provided Methods</a><divclass="sidebar-links"><ahref="#method.before_event">before_event</a><ahref="#method.before_quit">before_quit</a><ahref="#method.draw_default">draw_default</a><ahref="#method.dump_before_abort">dump_before_abort</a></div><aclass="sidebar-title"href="#implementors">Implementors</a></div><pclass='location'><ahref='../index.html'>widgetry</a>::<wbr><ahref='index.html'>app_state</a></p><script>window.sidebarCurrent={name:'SharedAppState',ty:'trait',relpath:''};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"><imgsrc="../../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"></div></div><scriptsrc="../../theme.js"></script><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"disabledautocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"></div><spanclass="help-button">?</span>
}</pre></div><divclass='docblock'><p>Any data that should last the entire lifetime of the application should be stored in the struct
implementing this trait.</p>
</div>
<h2id='provided-methods'class='small-section-header'>Provided methods<ahref='#provided-methods'class='anchor'></a></h2><divclass='methods'><h3id='method.before_event'class='method'><code>fn <ahref='#method.before_event'class='fnname'>before_event</a>(&mut self)</code></h3><divclass='docblock'><p>Before <code>State::event</code> is called, call this.</p>
</div><h3id='method.draw_default'class='method'><code>fn <ahref='#method.draw_default'class='fnname'>draw_default</a>(&self, _: &mut <aclass="struct"href="../../widgetry/struct.GfxCtx.html"title="struct widgetry::GfxCtx">GfxCtx</a><'_>)</code></h3><divclass='docblock'><p>When DrawBaselayer::DefaultDraw is called, run this.</p>
</div><h3id='method.dump_before_abort'class='method'><code>fn <ahref='#method.dump_before_abort'class='fnname'>dump_before_abort</a>(&self, _: &<aclass="struct"href="../../widgetry/struct.Canvas.html"title="struct widgetry::Canvas">Canvas</a>)</code></h3><divclass='docblock'><p>Will be called if <code>State::event</code> or <code>State::draw</code> panics.</p>
</div><h3id='method.before_quit'class='method'><code>fn <ahref='#method.before_quit'class='fnname'>before_quit</a>(&self, _: &<aclass="struct"href="../../widgetry/struct.Canvas.html"title="struct widgetry::Canvas">Canvas</a>)</code></h3><divclass='docblock'><p>Called before a normal exit, like window close</p>
