<!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="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../ayu.css"disabled><linkrel="stylesheet"type="text/css"href="../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../storage.js"></script><scriptsrc="../crates.js"></script><scriptdefersrc="../main.js"></script>
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</a><h2class="location"><ahref="#">SimpleState</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#required-methods">Required Methods</a></h3><ul><li><ahref="#tymethod.on_click">on_click</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#provided-methods">Provided Methods</a></h3><ul><li><ahref="#method.draw">draw</a></li><li><ahref="#method.draw_baselayer">draw_baselayer</a></li><li><ahref="#method.on_click_custom">on_click_custom</a></li><li><ahref="#method.on_mouseover">on_mouseover</a></li><li><ahref="#method.other_event">other_event</a></li><li><ahref="#method.panel_changed">panel_changed</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><ul><li><ahref="#method.new_state">new_state</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#implementors">Implementors</a></h3></div></section><h2class="location"><ahref="index.html">In widgetry</a></h2><divid="sidebar-vars"data-name="SimpleState"data-ty="trait"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><main><divclass="width-limiter"><divclass="sub-container"><aclass="sub-logo-container"href="../widgetry/index.html"><imgclass="rust-logo"src="../rust-logo.svg"alt="logo"></a><navclass="sub"><divclass="theme-picker hidden"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="22"height="22"alt="Pick another theme!"src="../brush.svg"></button><divid="theme-choices"role="menu"></div></div><formclass="search-form"><divclass="search-container"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../wheel.svg"></a></div></form></nav></div><sectionid="main-content"class="content"><divclass="main-heading">
}</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#237-243">source</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/1.61.0/std/primitive.reference.html">&mut </a>A, <br> action: &<aclass="primitive"href="https://doc.rust-lang.org/1.61.0/std/primitive.str.html">str</a>, <br> panel: &mut <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#245-253">source</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/1.61.0/std/primitive.reference.html">&mut </a>A, <br> _action: <aclass="struct"href="https://doc.rust-lang.org/1.61.0/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: &mut <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#256-263">source</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/1.61.0/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/1.61.0/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
