<!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="Many states fit a pattern of managing a single panel, handling mouseover events, and other interactions on the map. Implementing this instead of `State` reduces some boilerplate."><metaname="keywords"content="rust, rustlang, rust-lang, SimpleState"><title>SimpleState in widgetry - 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><scriptid="default-settings"></script><scriptsrc="../storage.js"></script><scriptsrc="../crates.js"></script><noscript><linkrel="stylesheet"href="../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../favicon.svg"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="sidebar"><divclass="sidebar-menu"role="button">☰</div><ahref='../widgetry/index.html'><divclass='logo-container rust-logo'><imgsrc='../rust-logo.png'alt='logo'></div></a><h2class="location">Trait SimpleState</h2><divclass="sidebar-elems"><divclass="block items"><h3class="sidebar-title"><ahref="#required-methods">Required Methods</a></h3><divclass="sidebar-links"><ahref="#tymethod.on_click">on_click</a></div><h3class="sidebar-title"><ahref="#provided-methods">Provided Methods</a></h3><divclass="sidebar-links"><ahref="#method.draw">draw</a><ahref="#method.draw_baselayer">draw_baselayer</a><ahref="#method.on_click_custom">on_click_custom</a><ahref="#method.on_mouseover">on_mouseover</a><ahref="#method.other_event">other_event</a><ahref="#method.panel_changed">panel_changed</a></div><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><divclass="sidebar-links"><ahref="#method.new_state">new_state</a></div><h3class="sidebar-title"><ahref="#implementors">Implementors</a></h3></div><h2class="location">Other items in<br><ahref="index.html">widgetry</a></h2><divid="sidebar-vars"data-name="SimpleState"data-ty="trait"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="18"height="18"alt="Pick another theme!"src="../brush.svg"></button><divid="theme-choices"role="menu"></div></div><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><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../settings.html"title="settings"><imgwidth="18"height="18"alt="Change settings"src="../wheel.svg"></a></div></form></nav><sectionid="main"class="content"><h1class="fqn"><spanclass="in-band">Trait <ahref="index.html">widgetry</a>::<wbr><aclass="trait"href="#">SimpleState</a><buttonid="copy-path"onclick="copy_path(this)"title="Copy item path to clipboard"><imgsrc="../clipboard.svg"width="19"height="18"alt="Copy item path"></button></span><spanclass="out-of-band"><spanid="render-detail"><aid="toggle-all-docs"href="javascript:void(0)"title="collapse all docs">[<spanclass="inner">−</span>]</a></span><aclass="s
}</code></pre></div><detailsclass="rustdoc-toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Many states fit a pattern of managing a single panel, handling mouseover events, and other
</div></details><h2id="required-methods"class="small-section-header">Required methods<ahref="#required-methods"class="anchor"></a></h2><divclass="methods"><detailsclass="rustdoc-toggle"open><summary><divid="tymethod.on_click"class="method has-srclink"><divclass="rightside"><aclass="srclink"href="../src/widgetry/app_state.rs.html#222-228"title="goto source code">[src]</a></div><h4class="code-header">fn <ahref="#tymethod.on_click"class="fnname">on_click</a>(<br> &mut self, <br> ctx: &mut <aclass="struct"href="event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>, <br> app: <aclass="primitive"href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&mut </a>A, <br> action: &<aclass="primitive"href="https://doc.rust-lang.org/1.57.0/std/primitive.str.html">str</a>, <br> panel: &<aclass="struct"href="widgets/panel/struct.Panel.html"title="struct widgetry::widgets::panel::Panel">Panel</a><br>) -><aclass="enum"href="app_state/enum.Transition.html"title="enum widgetry::app_state::Transition">Transition</a><A></h4></div></summary><divclass="docblock"><p>Called when something on the panel has been clicked. Since the action is just a string,
</div></details></div><h2id="provided-methods"class="small-section-header">Provided methods<ahref="#provided-methods"class="anchor"></a></h2><divclass="methods"><detailsclass="rustdoc-toggle"open><summary><divid="method.on_click_custom"class="method has-srclink"><divclass="rightside"><aclass="srclink"href="../src/widgetry/app_state.rs.html#230-238"title="goto source code">[src]</a></div><h4class="code-header">fn <ahref="#method.on_click_custom"class="fnname">on_click_custom</a>(<br> &mut self, <br> _ctx: &mut <aclass="struct"href="event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>, <br> _app: <aclass="primitive"href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&mut </a>A, <br> _action: <aclass="struct"href="https://doc.rust-lang.org/1.57.0/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><dyn <aclass="trait"href="../abstutil/clone/trait.CloneableAny.html"title="trait abstutil::clone::CloneableAny">CloneableAny</a>>, <br> _panel: &<aclass="struct"href="widgets/panel/struct.Panel.html"title="struct widgetry::widgets::panel::Panel">Panel</a><br>) -><aclass="enum"href="app_state/enum.Transition.html"title="enum widgetry::app_state::Transition">Transition</a><A></h4></div></summary><divclass="docblock"><p>Called when something on the panel has been clicked.</p>
</div></details><detailsclass="rustdoc-toggle"open><summary><divid="method.panel_changed"class="method has-srclink"><divclass="rightside"><aclass="srclink"href="../src/widgetry/app_state.rs.html#241-248"title="goto source code">[src]</a></div><h4class="code-header">fn <ahref="#method.panel_changed"class="fnname">panel_changed</a>(<br> &mut self, <br> _: &mut <aclass="struct"href="event_ctx/struct.EventCtx.html"title="struct widgetry::event_ctx::EventCtx">EventCtx</a><'_>, <br> _: <aclass="primitive"href="https://doc.rust-lang.org/1.57.0/std/primitive.reference.html">&mut </a>A, <br> _: &mut <aclass="struct"href="widgets/panel/struct.Panel.html"title="struct widgetry::widgets::panel::Panel">Panel</a><br>) -><aclass="enum"href="https://doc.rust-lang.org/1.57.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="enum"href="app_state/enum.Transition.html"title="enum widgetry::app_state::Transition">Transition</a><A>></h4></div></summary><divclass="docblock"><p>Called when something on the panel has changed. If a transition is returned, stop handling
