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&#160;<span id="projectnumber">0.10.0</span>
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<div id="projectbrief">C++ functional terminal UI.</div>
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<div class="headertitle"><div class="title">examples/component/renderer.cpp</div></div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include &lt;memory&gt;</span> <span class="comment">// for shared_ptr, allocator, __shared_ptr_access</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="captured__mouse_8hpp.html">ftxui/component/captured_mouse.hpp</a>&quot;</span> <span class="comment">// for ftxui</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="component_8hpp.html">ftxui/component/component.hpp</a>&quot;</span> <span class="comment">// for Renderer, Button, Vertical</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="component__base_8hpp.html">ftxui/component/component_base.hpp</a>&quot;</span> <span class="comment">// for ComponentBase</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="screen__interactive_8hpp.html">ftxui/component/screen_interactive.hpp</a>&quot;</span> <span class="comment">// for ScreenInteractive</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="elements_8hpp.html">ftxui/dom/elements.hpp</a>&quot;</span> <span class="comment">// for operator|, Element, text, bold, border, center, color</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="color_8hpp.html">ftxui/screen/color.hpp</a>&quot;</span> <span class="comment">// for Color, Color::Red</span></div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>* argv[]) {</div>
<div class="line"> <span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a>;</div>
<div class="line"> <span class="keyword">auto</span> screen = ScreenInteractive::FitComponent();</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A Renderer() is a component using a lambda function as a parameter to</span></div>
<div class="line"> <span class="comment">// render itself.</span></div>
<div class="line"> </div>
<div class="line"> <span class="comment">// 1. Example of focusable renderer:</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_focusable = Renderer([](<span class="keywordtype">bool</span> focused) {</div>
<div class="line"> <span class="keywordflow">if</span> (focused)</div>
<div class="line"> <span class="keywordflow">return</span> text(<span class="stringliteral">&quot;FOCUSABLE RENDERER()&quot;</span>) | center | bold | border;</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> <span class="keywordflow">return</span> text(<span class="stringliteral">&quot; Focusable renderer() &quot;</span>) | center | border;</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// 2. Examples of a non focusable renderer.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_non_focusable = Renderer([&amp;] {</div>
<div class="line"> <span class="keywordflow">return</span> text(<span class="stringliteral">&quot;~~~~~ Non Focusable renderer() ~~~~~&quot;</span>); <span class="comment">//</span></div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// 3. Renderer can wrap other components to redefine their Render() function.</span></div>
<div class="line"> <span class="keyword">auto</span> button = Button(<span class="stringliteral">&quot;Wrapped quit button&quot;</span>, screen.ExitLoopClosure());</div>
<div class="line"> <span class="keyword">auto</span> renderer_wrap = Renderer(button, [&amp;] {</div>
<div class="line"> <span class="keywordflow">if</span> (button-&gt;Focused())</div>
<div class="line"> <span class="keywordflow">return</span> button-&gt;Render() | bold | color(Color::Red);</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> <span class="keywordflow">return</span> button-&gt;Render();</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Let&#39;s renderer everyone:</span></div>
<div class="line"> screen.Loop(Container::Vertical({</div>
<div class="line"> renderer_focusable,</div>
<div class="line"> renderer_non_focusable,</div>
<div class="line"> renderer_wrap,</div>
<div class="line"> }));</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
<div class="line"><span class="comment">// Use of this source code is governed by the MIT license that can be found in</span></div>
<div class="line"><span class="comment">// the LICENSE file.</span></div>
<div class="ttc" id="acaptured__mouse_8hpp_html"><div class="ttname"><a href="captured__mouse_8hpp.html">captured_mouse.hpp</a></div></div>
<div class="ttc" id="acolor_8hpp_html"><div class="ttname"><a href="color_8hpp.html">color.hpp</a></div></div>
<div class="ttc" id="acomponent_8hpp_html"><div class="ttname"><a href="component_8hpp.html">component.hpp</a></div></div>
<div class="ttc" id="acomponent__base_8hpp_html"><div class="ttname"><a href="component__base_8hpp.html">component_base.hpp</a></div></div>
<div class="ttc" id="aelements_8hpp_html"><div class="ttname"><a href="elements_8hpp.html">elements.hpp</a></div></div>
<div class="ttc" id="anamespaceftxui_html"><div class="ttname"><a href="namespaceftxui.html">ftxui</a></div><div class="ttdef"><b>Definition</b> <a href="captured__mouse_8hpp_source.html#l00006">captured_mouse.hpp:6</a></div></div>
<div class="ttc" id="ascreen__interactive_8hpp_html"><div class="ttname"><a href="screen__interactive_8hpp.html">screen_interactive.hpp</a></div></div>
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