<linkrel="alternate icon"type="image/png"href="../../favicon-32x32.png"><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 State</p><divclass="sidebar-elems"><divclass="block items"><aclass="sidebar-title"href="#required-methods">Required Methods</a><divclass="sidebar-links"><ahref="#tymethod.draw">draw</a><ahref="#tymethod.event">event</a></div><aclass="sidebar-title"href="#provided-methods">Provided Methods</a><divclass="sidebar-links"><ahref="#method.draw_baselayer">draw_baselayer</a><ahref="#method.on_destroy">on_destroy</a></div><aclass="sidebar-title"href="#implementations">Methods</a><divclass="sidebar-links"><ahref="#method.downcast">downcast</a><ahref="#method.downcast_mut">downcast_mut</a><ahref="#method.downcast_rc">downcast_rc</a><ahref="#method.downcast_ref">downcast_ref</a><ahref="#method.is">is</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:"State",ty:"trait",relpath:""};</script><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"><imgsrc="../../brush.svg"width="18"alt="Pick another theme!"></button><divid="theme-choices"role="menu"></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>
</div><h2id="required-methods"class="small-section-header">Required methods<ahref="#required-methods"class="anchor"></a></h2><divclass="methods"><h3id="tymethod.event"class="method"><code>fn <ahref="#tymethod.event"class="fnname">event</a>(<br> &mut self, <br> ctx: &mut <aclass="struct"href="../../widgetry/struct.EventCtx.html"title="struct widgetry::EventCtx">EventCtx</a><'_>, <br> shared_app_state: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>A<br>) -><aclass="enum"href="../../widgetry/enum.Transition.html"title="enum widgetry::Transition">Transition</a><A></code></h3><divclass="docblock"><p>Respond to a UI event, such as input or time passing.</p>
</div></div><spanclass="loading-content">Loading content...</span><h2id="provided-methods"class="small-section-header">Provided methods<ahref="#provided-methods"class="anchor"></a></h2><divclass="methods"><h3id="method.draw_baselayer"class="method"><code>fn <ahref="#method.draw_baselayer"class="fnname">draw_baselayer</a>(&self) -><aclass="enum"href="../../widgetry/enum.DrawBaselayer.html"title="enum widgetry::DrawBaselayer">DrawBaselayer</a></code></h3><divclass="docblock"><p>Specifies what to draw before draw()</p>
</div><h3id="method.on_destroy"class="method"><code>fn <ahref="#method.on_destroy"class="fnname">on_destroy</a>(&mut self, _: &mut <aclass="struct"href="../../widgetry/struct.EventCtx.html"title="struct widgetry::EventCtx">EventCtx</a><'_>, _: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>A)</code></h3><divclass="docblock"><p>Before this state is popped or replaced, call this.</p>
</div></div><spanclass="loading-content">Loading content...</span><h2id="implementations"class="small-section-header">Implementations<ahref="#implementations"class="anchor"></a></h2><h3id="impl"class="impl"><codeclass="in-band">impl<A> dyn <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A><spanclass="where fmt-newline">where<br> A: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> + 'static, </span></code><ahref="#impl"class="anchor"></a><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h3><divclass="impl-items"><h4id="method.is"class="method"><code>pub fn <ahref="#method.is"class="fnname">is</a><__T: <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A>>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h4><divclass="docblock"><p>Returns true if the trait object wraps an object of type <code>__T</code>.</p>
</div><h4id="method.downcast"class="method"><code>pub fn <ahref="#method.downcast"class="fnname">downcast</a><__T: <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A>>(self: <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><Self>) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><__T>, <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><Self>></code><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h4><divclass="docblock"><p>Returns a boxed object from a boxed trait object if the underlying object is of type
</div><h4id="method.downcast_rc"class="method"><code>pub fn <ahref="#method.downcast_rc"class="fnname">downcast_rc</a><__T: <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A>>(self: <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html"title="struct alloc::rc::Rc">Rc</a><Self>) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html"title="struct alloc::rc::Rc">Rc</a><__T>, <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/rc/struct.Rc.html"title="struct alloc::rc::Rc">Rc</a><Self>></code><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h4><divclass="docblock"><p>Returns an <code>Rc</code>-ed object from an <code>Rc</code>-ed trait object if the underlying object is of
</div><h4id="method.downcast_ref"class="method"><code>pub fn <ahref="#method.downcast_ref"class="fnname">downcast_ref</a><__T: <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A>>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>__T></code><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h4><divclass="docblock"><p>Returns a reference to the object within the trait object if it is of type <code>__T</code>, or
</div><h4id="method.downcast_mut"class="method"><code>pub fn <ahref="#method.downcast_mut"class="fnname">downcast_mut</a><__T: <aclass="trait"href="../../widgetry/app_state/trait.State.html"title="trait widgetry::app_state::State">State</a><A>>(&mut self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>__T></code><aclass="srclink"href="../../src/widgetry/app_state.rs.html#181"title="goto source code">[src]</a></h4><divclass="docblock"><p>Returns a mutable reference to the object within the trait object if it is of type
