abstreet/rustdoc/widgetry/trait.State.html
2021-12-03 05:55:03 +00:00

24 lines
16 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="A temporary state of an application. Theres a stack of these, with the most recent being the active one."><meta name="keywords" content="rust, rustlang, rust-lang, State"><title>State 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="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"><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">&#9776;</div><a href='../widgetry/index.html'><div class='logo-container rust-logo'><img src='../rust-logo.png' alt='logo'></div></a><h2 class="location">Trait State</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><div class="sidebar-links"><a href="#tymethod.draw">draw</a><a href="#tymethod.event">event</a></div><h3 class="sidebar-title"><a href="#provided-methods">Provided Methods</a></h3><div class="sidebar-links"><a href="#method.draw_baselayer">draw_baselayer</a><a href="#method.on_destroy">on_destroy</a></div><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><div class="sidebar-links"><a href="#method.downcast">downcast</a><a href="#method.downcast_mut">downcast_mut</a><a href="#method.downcast_rc">downcast_rc</a><a href="#method.downcast_ref">downcast_ref</a><a href="#method.is">is</a></div><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="index.html">widgetry</a></h2><div id="sidebar-vars" data-name="State" 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" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></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" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../wheel.svg"></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="#">State</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></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">&#x2212;</span>]</a></span><a class="srclink" href="../src/widgetry/app_state.rs.html#171-185" title="goto source code">[src]</a></span></h1><div class="docblock type-decl"><pre class="rust trait"><code>pub trait State&lt;A&gt;: Downcast {
fn <a href="#tymethod.event" class="fnname">event</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ctx: &amp;mut <a class="struct" href="event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;shared_app_state: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;mut </a>A<br>&nbsp;&nbsp;&nbsp;&nbsp;) -&gt; <a class="enum" href="app_state/enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;;
<div class="item-spacer"></div> fn <a href="#tymethod.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut <a class="struct" href="drawing/struct.GfxCtx.html" title="struct widgetry::drawing::GfxCtx">GfxCtx</a>&lt;'_&gt;, shared_app_state: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;</a>A);
fn <a href="#method.draw_baselayer" class="fnname">draw_baselayer</a>(&amp;self) -&gt; <a class="enum" href="app_state/enum.DrawBaselayer.html" title="enum widgetry::app_state::DrawBaselayer">DrawBaselayer</a> { ... }
<div class="item-spacer"></div> fn <a href="#method.on_destroy" class="fnname">on_destroy</a>(&amp;mut self, _: &amp;mut <a class="struct" href="event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, _: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;mut </a>A) { ... }
}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A temporary state of an application. Theres a stack of these, with the most recent being the
active one.</p>
</div></details><h2 id="required-methods" class="small-section-header">Required methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.event" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#173" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.event" class="fnname">event</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self, <br>&nbsp;&nbsp;&nbsp;&nbsp;ctx: &amp;mut <a class="struct" href="event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;shared_app_state: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;mut </a>A<br>) -&gt; <a class="enum" href="app_state/enum.Transition.html" title="enum widgetry::app_state::Transition">Transition</a>&lt;A&gt;</h4></div></summary><div class="docblock"><p>Respond to a UI event, such as input or time passing.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.draw" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#175" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#tymethod.draw" class="fnname">draw</a>(&amp;self, g: &amp;mut <a class="struct" href="drawing/struct.GfxCtx.html" title="struct widgetry::drawing::GfxCtx">GfxCtx</a>&lt;'_&gt;, shared_app_state: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;</a>A)</h4></div></summary><div class="docblock"><p>Draw</p>
</div></details></div><h2 id="provided-methods" class="small-section-header">Provided methods<a href="#provided-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="method.draw_baselayer" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#178-180" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#method.draw_baselayer" class="fnname">draw_baselayer</a>(&amp;self) -&gt; <a class="enum" href="app_state/enum.DrawBaselayer.html" title="enum widgetry::app_state::DrawBaselayer">DrawBaselayer</a></h4></div></summary><div class="docblock"><p>Specifies what to draw before draw()</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="method.on_destroy" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#183" title="goto source code">[src]</a></div><h4 class="code-header">fn <a href="#method.on_destroy" class="fnname">on_destroy</a>(&amp;mut self, _: &amp;mut <a class="struct" href="event_ctx/struct.EventCtx.html" title="struct widgetry::event_ctx::EventCtx">EventCtx</a>&lt;'_&gt;, _: <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;mut </a>A)</h4></div></summary><div class="docblock"><p>Before this state is popped or replaced, call this.</p>
</div></details></div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl&lt;A&gt; dyn <a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/1.57.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> + 'static,&nbsp;</span></h3></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.is" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#method.is" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.is" class="fnname">is</a>&lt;__T:&nbsp;<a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.bool.html">bool</a></h4></div></summary><div class="docblock"><p>Returns true if the trait object wraps an object of type <code>__T</code>.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.downcast" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#method.downcast" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.downcast" class="fnname">downcast</a>&lt;__T:&nbsp;<a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;(self: <a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;Self&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.57.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;__T&gt;, <a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a>&lt;Self&gt;&gt;</h4></div></summary><div class="docblock"><p>Returns a boxed object from a boxed trait object if the underlying object is of type
<code>__T</code>. Returns the original boxed trait if it isnt.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.downcast_rc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#method.downcast_rc" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.downcast_rc" class="fnname">downcast_rc</a>&lt;__T:&nbsp;<a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;(self: <a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a>&lt;Self&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.57.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a>&lt;__T&gt;, <a class="struct" href="https://doc.rust-lang.org/1.57.0/alloc/rc/struct.Rc.html" title="struct alloc::rc::Rc">Rc</a>&lt;Self&gt;&gt;</h4></div></summary><div class="docblock"><p>Returns an <code>Rc</code>-ed object from an <code>Rc</code>-ed trait object if the underlying object is of
type <code>__T</code>. Returns the original <code>Rc</code>-ed trait if it isnt.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.downcast_ref" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#method.downcast_ref" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.downcast_ref" class="fnname">downcast_ref</a>&lt;__T:&nbsp;<a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.57.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;</a>__T&gt;</h4></div></summary><div class="docblock"><p>Returns a reference to the object within the trait object if it is of type <code>__T</code>, or
<code>None</code> if it isnt.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.downcast_mut" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#187" title="goto source code">[src]</a></div><a href="#method.downcast_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.downcast_mut" class="fnname">downcast_mut</a>&lt;__T:&nbsp;<a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt;&gt;(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.57.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&amp;mut </a>__T&gt;</h4></div></summary><div class="docblock"><p>Returns a mutable reference to the object within the trait object if it is of type
<code>__T</code>, or <code>None</code> if it isnt.</p>
</div></details></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-State%3CA%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/widgetry/app_state.rs.html#273-299" title="goto source code">[src]</a></div><a href="#impl-State%3CA%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;A:&nbsp;'static&gt; <a class="trait" href="app_state/trait.State.html" title="trait widgetry::app_state::State">State</a>&lt;A&gt; for <a class="struct" href="app_state/struct.SimpleStateWrapper.html" title="struct widgetry::app_state::SimpleStateWrapper">SimpleStateWrapper</a>&lt;A&gt;</h3></div></div><script type="text/javascript" src="../implementors/widgetry/trait.State.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>
<script src="../main.js"></script>
</body></html>