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<div id="projectname">FTXUI
&#160;<span id="projectnumber">4.0.0</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/gallery.cpp</div></div>
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<div class="fragment"><div class="line"><span class="preprocessor">#include &lt;functional&gt;</span> <span class="comment">// for function</span></div>
<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"><span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// for string, basic_string</span></div>
<div class="line"><span class="preprocessor">#include &lt;vector&gt;</span> <span class="comment">// for vector</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 Slider, Checkbox, Vertical, Renderer, Button, Input, Menu, Radiobox, Toggle</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 Component, 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 separator, operator|, Element, size, xflex, text, WIDTH, hbox, vbox, EQUAL, border, GREATER_THAN</span></div>
<div class="line"> </div>
<div class="line"><span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a>;</div>
<div class="line"> </div>
<div class="line"><span class="comment">// Display a component nicely with a title on the left.</span></div>
<div class="line"><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> Wrap(std::string name, <a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> component) {</div>
<div class="line"> <span class="keywordflow">return</span> Renderer(component, [name, component] {</div>
<div class="line"> <span class="keywordflow">return</span> hbox({</div>
<div class="line"> text(name) | size(WIDTH, EQUAL, 8),</div>
<div class="line"> separator(),</div>
<div class="line"> component-&gt;Render() | xflex,</div>
<div class="line"> }) |</div>
<div class="line"> xflex;</div>
<div class="line"> });</div>
<div class="line">}</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">auto</span> screen = ScreenInteractive::FitComponent();</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Menu</span></div>
<div class="line"> <span class="comment">// ----------------------------------------------------------------------</span></div>
<div class="line"> <span class="keyword">const</span> std::vector&lt;std::string&gt; menu_entries = {</div>
<div class="line"> <span class="stringliteral">&quot;Menu 1&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Menu 2&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Menu 3&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Menu 4&quot;</span>,</div>
<div class="line"> };</div>
<div class="line"> <span class="keywordtype">int</span> menu_selected = 0;</div>
<div class="line"> <span class="keyword">auto</span> menu = <a class="code hl_function" href="namespaceftxui.html#a777280bcec2414bef5c6725658c7714b">Menu</a>(&amp;menu_entries, &amp;menu_selected);</div>
<div class="line"> menu = Wrap(<span class="stringliteral">&quot;Menu&quot;</span>, menu);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Toggle------------------------------------------------------------------</span></div>
<div class="line"> <span class="keywordtype">int</span> toggle_selected = 0;</div>
<div class="line"> std::vector&lt;std::string&gt; toggle_entries = {</div>
<div class="line"> <span class="stringliteral">&quot;Toggle_1&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Toggle_2&quot;</span>,</div>
<div class="line"> };</div>
<div class="line"> <span class="keyword">auto</span> toggle = <a class="code hl_function" href="namespaceftxui.html#a3537fccac66b07cd792874c9a6086811">Toggle</a>(&amp;toggle_entries, &amp;toggle_selected);</div>
<div class="line"> toggle = Wrap(<span class="stringliteral">&quot;Toggle&quot;</span>, toggle);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Checkbox ---------------------------------------------------------------</span></div>
<div class="line"> <span class="keywordtype">bool</span> checkbox_1_selected = <span class="keyword">false</span>;</div>
<div class="line"> <span class="keywordtype">bool</span> checkbox_2_selected = <span class="keyword">false</span>;</div>
<div class="line"> <span class="keywordtype">bool</span> checkbox_3_selected = <span class="keyword">false</span>;</div>
<div class="line"> <span class="keywordtype">bool</span> checkbox_4_selected = <span class="keyword">false</span>;</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> checkboxes = Container::Vertical({</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a04e40e348dee25bbbfce0a13bf234e19">Checkbox</a>(<span class="stringliteral">&quot;checkbox1&quot;</span>, &amp;checkbox_1_selected),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a04e40e348dee25bbbfce0a13bf234e19">Checkbox</a>(<span class="stringliteral">&quot;checkbox2&quot;</span>, &amp;checkbox_2_selected),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a04e40e348dee25bbbfce0a13bf234e19">Checkbox</a>(<span class="stringliteral">&quot;checkbox3&quot;</span>, &amp;checkbox_3_selected),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a04e40e348dee25bbbfce0a13bf234e19">Checkbox</a>(<span class="stringliteral">&quot;checkbox4&quot;</span>, &amp;checkbox_4_selected),</div>
<div class="line"> });</div>
<div class="line"> checkboxes = Wrap(<span class="stringliteral">&quot;Checkbox&quot;</span>, checkboxes);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Radiobox ---------------------------------------------------------------</span></div>
<div class="line"> <span class="keywordtype">int</span> radiobox_selected = 0;</div>
<div class="line"> std::vector&lt;std::string&gt; radiobox_entries = {</div>
<div class="line"> <span class="stringliteral">&quot;Radiobox 1&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Radiobox 2&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Radiobox 3&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;Radiobox 4&quot;</span>,</div>
<div class="line"> };</div>
<div class="line"> <span class="keyword">auto</span> radiobox = <a class="code hl_function" href="namespaceftxui.html#a0d757f667caaff5287cb8702f52186ee">Radiobox</a>(&amp;radiobox_entries, &amp;radiobox_selected);</div>
<div class="line"> radiobox = Wrap(<span class="stringliteral">&quot;Radiobox&quot;</span>, radiobox);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Input ------------------------------------------------------------------</span></div>
<div class="line"> std::string input_label;</div>
<div class="line"> <span class="keyword">auto</span> input = <a class="code hl_function" href="namespaceftxui.html#a30be54a28004c1c48c2a5ed54e4abd64">Input</a>(&amp;input_label, <span class="stringliteral">&quot;placeholder&quot;</span>);</div>
<div class="line"> input = Wrap(<span class="stringliteral">&quot;Input&quot;</span>, input);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Button -----------------------------------------------------------------</span></div>
<div class="line"> std::string button_label = <span class="stringliteral">&quot;Quit&quot;</span>;</div>
<div class="line"> std::function&lt;void()&gt; on_button_clicked_;</div>
<div class="line"> <span class="keyword">auto</span> button = <a class="code hl_function" href="namespaceftxui.html#a6910ffaa082c693603aafab4e7dddac3">Button</a>(&amp;button_label, screen.ExitLoopClosure());</div>
<div class="line"> button = Wrap(<span class="stringliteral">&quot;Button&quot;</span>, button);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Slider -----------------------------------------------------------------</span></div>
<div class="line"> <span class="keywordtype">int</span> slider_value_1 = 12;</div>
<div class="line"> <span class="keywordtype">int</span> slider_value_2 = 56;</div>
<div class="line"> <span class="keywordtype">int</span> slider_value_3 = 128;</div>
<div class="line"> <span class="keyword">auto</span> sliders = Container::Vertical({</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">Slider</a>(<span class="stringliteral">&quot;R:&quot;</span>, &amp;slider_value_1, 0, 256, 1),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">Slider</a>(<span class="stringliteral">&quot;G:&quot;</span>, &amp;slider_value_2, 0, 256, 1),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">Slider</a>(<span class="stringliteral">&quot;B:&quot;</span>, &amp;slider_value_3, 0, 256, 1),</div>
<div class="line"> });</div>
<div class="line"> sliders = Wrap(<span class="stringliteral">&quot;Slider&quot;</span>, sliders);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// -- Layout -----------------------------------------------------------------</span></div>
<div class="line"> <span class="keyword">auto</span> layout = Container::Vertical({</div>
<div class="line"> menu,</div>
<div class="line"> toggle,</div>
<div class="line"> checkboxes,</div>
<div class="line"> radiobox,</div>
<div class="line"> input,</div>
<div class="line"> sliders,</div>
<div class="line"> button,</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> component = <a class="code hl_function" href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">Renderer</a>(layout, [&amp;] {</div>
<div class="line"> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#afd28058f0ccbbdf34691a85a7cc9b2e3">vbox</a>({</div>
<div class="line"> menu-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> toggle-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> checkboxes-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> radiobox-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> input-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> sliders-&gt;Render(),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> button-&gt;Render(),</div>
<div class="line"> }) |</div>
<div class="line"> xflex | <a class="code hl_function" href="namespaceftxui.html#adbda408cdd76f3bbd9c4e863672b7122">size</a>(WIDTH, GREATER_THAN, 40) | <a class="code hl_function" href="namespaceftxui.html#ae8537acd423d47cf07e61bd774fb1098">border</a>;</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> screen.Loop(component);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</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="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="animation_8hpp_source.html#l00009">animation.hpp:9</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a04e40e348dee25bbbfce0a13bf234e19"><div class="ttname"><a href="namespaceftxui.html#a04e40e348dee25bbbfce0a13bf234e19">ftxui::Checkbox</a></div><div class="ttdeci">Component Checkbox(ConstStringRef label, bool *checked, Ref&lt; CheckboxOption &gt; option=CheckboxOption::Simple())</div><div class="ttdoc">Draw checkable element.</div><div class="ttdef"><b>Definition</b> <a href="checkbox_8cpp_source.html#l00112">checkbox.cpp:112</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a0d757f667caaff5287cb8702f52186ee"><div class="ttname"><a href="namespaceftxui.html#a0d757f667caaff5287cb8702f52186ee">ftxui::Radiobox</a></div><div class="ttdeci">Component Radiobox(ConstStringListRef entries, int *selected_, Ref&lt; RadioboxOption &gt; option={})</div><div class="ttdoc">A list of element, where only one can be selected.</div><div class="ttdef"><b>Definition</b> <a href="radiobox_8cpp_source.html#l00211">radiobox.cpp:211</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a30be54a28004c1c48c2a5ed54e4abd64"><div class="ttname"><a href="namespaceftxui.html#a30be54a28004c1c48c2a5ed54e4abd64">ftxui::Input</a></div><div class="ttdeci">Component Input(StringRef content, ConstStringRef placeholder, Ref&lt; InputOption &gt; option={})</div><div class="ttdoc">An input box for editing text.</div><div class="ttdef"><b>Definition</b> <a href="input_8cpp_source.html#l00337">input.cpp:337</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a3537fccac66b07cd792874c9a6086811"><div class="ttname"><a href="namespaceftxui.html#a3537fccac66b07cd792874c9a6086811">ftxui::Toggle</a></div><div class="ttdeci">Component Toggle(ConstStringListRef entries, int *selected)</div><div class="ttdoc">An horizontal list of elements. The user can navigate through them.</div><div class="ttdef"><b>Definition</b> <a href="menu_8cpp_source.html#l00522">menu.cpp:522</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a533e883e2aeea28de2b60564fcaf0361"><div class="ttname"><a href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">ftxui::Renderer</a></div><div class="ttdeci">Component Renderer(Component child, std::function&lt; Element()&gt;)</div><div class="ttdoc">Return a new Component, similar to |child|, but using |render| as the Component::Render() event.</div><div class="ttdef"><b>Definition</b> <a href="renderer_8cpp_source.html#l00060">renderer.cpp:60</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a6910ffaa082c693603aafab4e7dddac3"><div class="ttname"><a href="namespaceftxui.html#a6910ffaa082c693603aafab4e7dddac3">ftxui::Button</a></div><div class="ttdeci">Component Button(ConstStringRef label, std::function&lt; void()&gt; on_click, Ref&lt; ButtonOption &gt;=ButtonOption::Simple())</div><div class="ttdoc">Draw a button. Execute a function when clicked.</div><div class="ttdef"><b>Definition</b> <a href="button_8cpp_source.html#l00059">button.cpp:59</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a777280bcec2414bef5c6725658c7714b"><div class="ttname"><a href="namespaceftxui.html#a777280bcec2414bef5c6725658c7714b">ftxui::Menu</a></div><div class="ttdeci">Component Menu(ConstStringListRef entries, int *selected_, Ref&lt; MenuOption &gt;=MenuOption::Vertical())</div><div class="ttdoc">A list of text. The focused element is selected.</div><div class="ttdef"><b>Definition</b> <a href="menu_8cpp_source.html#l00511">menu.cpp:511</a></div></div>
<div class="ttc" id="anamespaceftxui_html_aa3558d992a72679e5e9c9c7b67abd727"><div class="ttname"><a href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">ftxui::Slider</a></div><div class="ttdeci">Component Slider(SliderOption&lt; T &gt; options={})</div><div class="ttdoc">A slider in any direction.</div><div class="ttdef"><b>Definition</b> <a href="slider_8cpp_source.html#l00326">slider.cpp:326</a></div></div>
<div class="ttc" id="anamespaceftxui_html_ac1ef1cf6bf7cd0759ffa195071edb2a0"><div class="ttname"><a href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">ftxui::separator</a></div><div class="ttdeci">Element separator()</div><div class="ttdoc">Draw a vertical or horizontal separation in between two other elements.</div><div class="ttdef"><b>Definition</b> <a href="separator_8cpp_source.html#l00128">separator.cpp:128</a></div></div>
<div class="ttc" id="anamespaceftxui_html_adbda408cdd76f3bbd9c4e863672b7122"><div class="ttname"><a href="namespaceftxui.html#adbda408cdd76f3bbd9c4e863672b7122">ftxui::size</a></div><div class="ttdeci">Decorator size(Direction, Constraint, int value)</div><div class="ttdoc">Apply a constraint on the size of an element.</div><div class="ttdef"><b>Definition</b> <a href="size_8cpp_source.html#l00085">size.cpp:85</a></div></div>
<div class="ttc" id="anamespaceftxui_html_ae8537acd423d47cf07e61bd774fb1098"><div class="ttname"><a href="namespaceftxui.html#ae8537acd423d47cf07e61bd774fb1098">ftxui::border</a></div><div class="ttdeci">Element border(Element)</div><div class="ttdoc">Draw a border around the element.</div><div class="ttdef"><b>Definition</b> <a href="border_8cpp_source.html#l00200">border.cpp:200</a></div></div>
<div class="ttc" id="anamespaceftxui_html_af1479ede01dbf087342534ab4ada11d3"><div class="ttname"><a href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">ftxui::Component</a></div><div class="ttdeci">std::shared_ptr&lt; ComponentBase &gt; Component</div><div class="ttdef"><b>Definition</b> <a href="component__base_8hpp_source.html#l00021">component_base.hpp:21</a></div></div>
<div class="ttc" id="anamespaceftxui_html_afd28058f0ccbbdf34691a85a7cc9b2e3"><div class="ttname"><a href="namespaceftxui.html#afd28058f0ccbbdf34691a85a7cc9b2e3">ftxui::vbox</a></div><div class="ttdeci">Element vbox(Elements)</div><div class="ttdoc">A container displaying elements vertically one by one.</div><div class="ttdef"><b>Definition</b> <a href="vbox_8cpp_source.html#l00078">vbox.cpp:78</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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