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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="Any data that should last the entire lifetime of the application should be stored in the struct implementing this trait."><meta name="keywords" content="rust, rustlang, rust-lang, SharedAppState"><title>SharedAppState in widgetry - Rust</title><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="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings"></script><script src="../storage.js"></script><script src="../crates.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../widgetry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><p class="location">Trait SharedAppState</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#provided-methods">Provided Methods</a><div class="sidebar-links"><a href="#method.before_event">before_event</a><a href="#method.before_quit">before_quit</a><a href="#method.draw_default">draw_default</a><a href="#method.dump_before_abort">dump_before_abort</a><a href="#method.free_memory">free_memory</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class="location"><a href="index.html">widgetry</a></p><div id="sidebar-vars" data-name="SharedAppState" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../brush.svg" width="18" height="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" class="help-button">?</button>
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<a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" height="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="index.html">widgetry</a>::<wbr><a class="trait" href="">SharedAppState</a><button id="copy-path" onclick="copy_path(this)">⎘</button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span><a class="srclink" href="../src/widgetry/app_state.rs.html#14-28" title="goto source code">[src]</a></span></h1><div class="docblock type-decl"><pre class="rust trait">pub trait SharedAppState {
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fn <a href="#method.before_event" class="fnname">before_event</a>(&mut self) { ... }
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<div class="item-spacer"></div> fn <a href="#method.draw_default" class="fnname">draw_default</a>(&self, _: &mut <a class="struct" href="drawing/struct.GfxCtx.html" title="struct widgetry::drawing::GfxCtx">GfxCtx</a><'_>) { ... }
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<div class="item-spacer"></div> fn <a href="#method.dump_before_abort" class="fnname">dump_before_abort</a>(&self, _: &<a class="struct" href="canvas/struct.Canvas.html" title="struct widgetry::canvas::Canvas">Canvas</a>) { ... }
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<div class="item-spacer"></div> fn <a href="#method.before_quit" class="fnname">before_quit</a>(&self, _: &<a class="struct" href="canvas/struct.Canvas.html" title="struct widgetry::canvas::Canvas">Canvas</a>) { ... }
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<div class="item-spacer"></div> fn <a href="#method.free_memory" class="fnname">free_memory</a>(&mut self) { ... }
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}</pre></div><div class="docblock"><p>Any data that should last the entire lifetime of the application should be stored in the struct
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implementing this trait.</p>
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</div><h2 id="provided-methods" class="small-section-header">Provided methods<a href="#provided-methods" class="anchor"></a></h2><div class="methods"><h3 id="method.before_event" class="method"><code>fn <a href="#method.before_event" class="fnname">before_event</a>(&mut self)</code><a class="srclink" href="../src/widgetry/app_state.rs.html#16" title="goto source code">[src]</a></h3><div class="docblock"><p>Before <code>State::event</code> is called, call this.</p>
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</div><h3 id="method.draw_default" class="method"><code>fn <a href="#method.draw_default" class="fnname">draw_default</a>(&self, _: &mut <a class="struct" href="drawing/struct.GfxCtx.html" title="struct widgetry::drawing::GfxCtx">GfxCtx</a><'_>)</code><a class="srclink" href="../src/widgetry/app_state.rs.html#18" title="goto source code">[src]</a></h3><div class="docblock"><p>When DrawBaselayer::DefaultDraw is called, run this.</p>
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</div><h3 id="method.dump_before_abort" class="method"><code>fn <a href="#method.dump_before_abort" class="fnname">dump_before_abort</a>(&self, _: &<a class="struct" href="canvas/struct.Canvas.html" title="struct widgetry::canvas::Canvas">Canvas</a>)</code><a class="srclink" href="../src/widgetry/app_state.rs.html#21" title="goto source code">[src]</a></h3><div class="docblock"><p>Will be called if <code>State::event</code> or <code>State::draw</code> panics.</p>
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</div><h3 id="method.before_quit" class="method"><code>fn <a href="#method.before_quit" class="fnname">before_quit</a>(&self, _: &<a class="struct" href="canvas/struct.Canvas.html" title="struct widgetry::canvas::Canvas">Canvas</a>)</code><a class="srclink" href="../src/widgetry/app_state.rs.html#23" title="goto source code">[src]</a></h3><div class="docblock"><p>Called before a normal exit, like window close</p>
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</div><h3 id="method.free_memory" class="method"><code>fn <a href="#method.free_memory" class="fnname">free_memory</a>(&mut self)</code><a class="srclink" href="../src/widgetry/app_state.rs.html#27" title="goto source code">[src]</a></h3><div class="docblock"><p>If widgetry determines the video card is low on memory, this may be called. The application
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should make its best effort to delete any unused Drawables.</p>
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</div></div><span class="loading-content">Loading content...</span><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"></div><span class="loading-content">Loading content...</span><script type="text/javascript" src="../implementors/widgetry/trait.SharedAppState.js" async></script></section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="widgetry" data-search-index-js="../search-index.js" data-search-js="../search.js"></div>
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