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<div id="projectname">FTXUI
&#160;<span id="projectnumber">3.0.0</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/menu_entries.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;iostream&gt;</span> <span class="comment">// for basic_ostream::operator&lt;&lt;, operator&lt;&lt;, endl, basic_ostream, basic_ostream&lt;&gt;::__ostream_type, cout, ostream</span></div>
<div class="line"><span class="preprocessor">#include &lt;memory&gt;</span> <span class="comment">// for allocator, shared_ptr, __shared_ptr_access</span></div>
<div class="line"><span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// for char_traits, to_string, operator+, string, basic_string</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 MenuEntry, Renderer, 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="component__options_8hpp.html">ftxui/component/component_options.hpp</a>&quot;</span> <span class="comment">// for MenuEntryOption</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, separator, text, hbox, size, frame, color, vbox, HEIGHT, LESS_THAN, bold, border, inverted</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::Blue, Color::Cyan, Color::Green, Color::Red, Color::Yellow</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">// Define a special style for some menu entry.</span></div>
<div class="line"><a id="_a0" name="_a0"></a><a class="code hl_struct" href="namespaceftxui.html#structftxui_1_1MenuEntryOption">MenuEntryOption</a> Colored(<a id="_a1" name="_a1"></a><a class="code hl_class" href="classftxui_1_1Color.html">ftxui::Color</a> c) {</div>
<div class="line"> <a class="code hl_struct" href="namespaceftxui.html#structftxui_1_1MenuEntryOption">MenuEntryOption</a> option;</div>
<div class="line"> option.<a id="a2" name="a2"></a><a class="code hl_variable" href="namespaceftxui.html#a5641c45021a8cc20bdd21498563825a0">transform</a> = [c](<a id="_a3" name="_a3"></a><a class="code hl_struct" href="namespaceftxui.html#structftxui_1_1EntryState">EntryState</a> state) {</div>
<div class="line"> state.label = (state.active ? <span class="stringliteral">&quot;&gt; &quot;</span> : <span class="stringliteral">&quot; &quot;</span>) + state.label;</div>
<div class="line"> <a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> e = text(state.label) | color(c);</div>
<div class="line"> <span class="keywordflow">if</span> (state.focused)</div>
<div class="line"> e = e | inverted;</div>
<div class="line"> <span class="keywordflow">if</span> (state.active)</div>
<div class="line"> e = e | bold;</div>
<div class="line"> <span class="keywordflow">return</span> e;</div>
<div class="line"> };</div>
<div class="line"> <span class="keywordflow">return</span> option;</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::TerminalOutput();</div>
<div class="line"> </div>
<div class="line"> <span class="keywordtype">int</span> selected = 0;</div>
<div class="line"> <span class="keyword">auto</span> menu = Container::Vertical(</div>
<div class="line"> {</div>
<div class="line"> MenuEntry(<span class="stringliteral">&quot; 1. improve&quot;</span>),</div>
<div class="line"> MenuEntry(<span class="stringliteral">&quot; 2. tolerant&quot;</span>),</div>
<div class="line"> MenuEntry(<span class="stringliteral">&quot; 3. career&quot;</span>),</div>
<div class="line"> MenuEntry(<span class="stringliteral">&quot; 4. cast&quot;</span>),</div>
<div class="line"> MenuEntry(<span class="stringliteral">&quot; 5. question&quot;</span>),</div>
<div class="line"> </div>
<div class="line"> Renderer([] { <span class="keywordflow">return</span> separator(); }),</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot; 6. rear&quot;</span>, Colored(Color::Red)),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot; 7. drown&quot;</span>, Colored(Color::Yellow)),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot; 8. nail&quot;</span>, Colored(Color::Green)),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot; 9. quit&quot;</span>, Colored(Color::Cyan)),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;10. decorative&quot;</span>, Colored(Color::Blue)),</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">Renderer</a>([] { <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(); }),</div>
<div class="line"> </div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;11. costume&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;12. pick&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;13. oral&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;14. minister&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;15. football&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;16. welcome&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;17. copper&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;18. inhabitant&quot;</span>),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">MenuEntry</a>(<span class="stringliteral">&quot;19. fortune&quot;</span>),</div>
<div class="line"> },</div>
<div class="line"> &amp;selected);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Display together the menu with a border</span></div>
<div class="line"> <span class="keyword">auto</span> renderer = <a class="code hl_function" href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">Renderer</a>(menu, [&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"> <a class="code hl_function" href="namespaceftxui.html#a552ba6d33b3c9bec586b99fba4c243ac">hbox</a>(<a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(<span class="stringliteral">&quot;selected = &quot;</span>), <a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(std::to_string(selected))),</div>
<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
<div class="line"> menu-&gt;Render() | <a class="code hl_function" href="namespaceftxui.html#ad0d6a96f6e1fb6d67d9fa6323062a737">frame</a> | <a class="code hl_function" href="namespaceftxui.html#adbda408cdd76f3bbd9c4e863672b7122">size</a>(HEIGHT, LESS_THAN, 10),</div>
<div class="line"> }) |</div>
<div class="line"> border;</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> screen.Loop(renderer);</div>
<div class="line"> </div>
<div class="line"> std::cout &lt;&lt; <span class="stringliteral">&quot;Selected element = &quot;</span> &lt;&lt; selected &lt;&lt; std::endl;</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="aclassftxui_1_1Color_html"><div class="ttname"><a href="classftxui_1_1Color.html">ftxui::Color</a></div><div class="ttdoc">A class representing terminal colors.</div><div class="ttdef"><b>Definition</b> <a href="color_8hpp_source.html#l00017">color.hpp:17</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="acomponent__options_8hpp_html"><div class="ttname"><a href="component__options_8hpp.html">component_options.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_a2bc31f2d685189e5c61d2293a1f51b4f"><div class="ttname"><a href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">ftxui::Element</a></div><div class="ttdeci">std::shared_ptr&lt; Node &gt; Element</div><div class="ttdef"><b>Definition</b> <a href="elements_8hpp_source.html#l00018">elements.hpp:18</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a4ca1e85a59a332da2aa61a6de1a9c010"><div class="ttname"><a href="namespaceftxui.html#a4ca1e85a59a332da2aa61a6de1a9c010">ftxui::MenuEntry</a></div><div class="ttdeci">Component MenuEntry(ConstStringRef label, Ref&lt; MenuEntryOption &gt;={})</div><div class="ttdoc">A specific menu entry. They can be put into a Container::Vertical to form a menu.</div><div class="ttdef"><b>Definition</b> <a href="menu_8cpp_source.html#l00537">menu.cpp:537</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_a552ba6d33b3c9bec586b99fba4c243ac"><div class="ttname"><a href="namespaceftxui.html#a552ba6d33b3c9bec586b99fba4c243ac">ftxui::hbox</a></div><div class="ttdeci">Element hbox(Elements)</div><div class="ttdoc">A container displaying elements horizontally one by one.</div><div class="ttdef"><b>Definition</b> <a href="hbox_8cpp_source.html#l00076">hbox.cpp:76</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a5641c45021a8cc20bdd21498563825a0"><div class="ttname"><a href="namespaceftxui.html#a5641c45021a8cc20bdd21498563825a0">ftxui::MenuEntryOption::transform</a></div><div class="ttdeci">std::function&lt; Element(const EntryState &amp;state)&gt; transform</div><div class="ttdef"><b>Definition</b> <a href="component__options_8hpp_source.html#l00073">component_options.hpp:73</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a75baaa2734ed76a9f478beaafa87ae57"><div class="ttname"><a href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">ftxui::text</a></div><div class="ttdeci">Element text(std::wstring text)</div><div class="ttdoc">Display a piece of unicode text.</div><div class="ttdef"><b>Definition</b> <a href="text_8cpp_source.html#l00111">text.cpp:111</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#l00130">separator.cpp:130</a></div></div>
<div class="ttc" id="anamespaceftxui_html_ad0d6a96f6e1fb6d67d9fa6323062a737"><div class="ttname"><a href="namespaceftxui.html#ad0d6a96f6e1fb6d67d9fa6323062a737">ftxui::frame</a></div><div class="ttdeci">Element frame(Element)</div><div class="ttdoc">Allow an element to be displayed inside a 'virtual' area. It size can be larger than its container....</div><div class="ttdef"><b>Definition</b> <a href="frame_8cpp_source.html#l00138">frame.cpp:138</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_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#l00077">vbox.cpp:77</a></div></div>
<div class="ttc" id="anamespaceftxui_html_structftxui_1_1EntryState"><div class="ttname"><a href="namespaceftxui.html#structftxui_1_1EntryState">ftxui::EntryState</a></div><div class="ttdoc">arguments for |ButtonOption::transform|, |CheckboxOption::transform|, |Radiobox::transform|,...</div><div class="ttdef"><b>Definition</b> <a href="component__options_8hpp_source.html#l00019">component_options.hpp:19</a></div></div>
<div class="ttc" id="anamespaceftxui_html_structftxui_1_1MenuEntryOption"><div class="ttname"><a href="namespaceftxui.html#structftxui_1_1MenuEntryOption">ftxui::MenuEntryOption</a></div><div class="ttdoc">Option for the MenuEntry component.</div><div class="ttdef"><b>Definition</b> <a href="component__options_8hpp_source.html#l00072">component_options.hpp:72</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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return;
}
const versions = ["main", "v6.1.9", "v6.1.8", "v6.1.7", "v6.1.6", "v6.1.5", "v6.1.4", "v6.1.3", "v6.1.2", "v6.1.1", "v6.1.0", "v6.0.2", "v6.0.1", "v6.0.0", "v5.0.0", "v4.1.1", "v4.1.0", "v4.0.0", "v3.0.0", "v2.0.0", "v0.9", "v0.11", "v0.10"];
const version_paths = {"main": "../../index.html", "v6.1.9": "../v6.1.9/index.html", "v6.1.8": "../v6.1.8/index.html", "v6.1.7": "../v6.1.7/index.html", "v6.1.6": "../v6.1.6/index.html", "v6.1.5": "../v6.1.5/index.html", "v6.1.4": "../v6.1.4/index.html", "v6.1.3": "../v6.1.3/index.html", "v6.1.2": "../v6.1.2/index.html", "v6.1.1": "../v6.1.1/index.html", "v6.1.0": "../v6.1.0/index.html", "v6.0.2": "../v6.0.2/index.html", "v6.0.1": "../v6.0.1/index.html", "v6.0.0": "../v6.0.0/index.html", "v5.0.0": "../v5.0.0/index.html", "v4.1.1": "../v4.1.1/index.html", "v4.1.0": "../v4.1.0/index.html", "v4.0.0": "../v4.0.0/index.html", "v3.0.0": "index.html", "v2.0.0": "../v2.0.0/index.html", "v0.9": "../v0.9/index.html", "v0.11": "../v0.11/index.html", "v0.10": "../v0.10/index.html"};
const currentVersion = "v3.0.0";
// Sort versions: 'main' first, then others numerically descending.
versions.sort((a, b) => {
if (a === 'main') return -1;
if (b === 'main') return 1;
return b.localeCompare(a, undefined, { numeric: true, sensitivity: 'base' });
});
const select = document.createElement('select');
select.onchange = function() {
const selectedVersion = this.value;
// Navigate directly to the pre-calculated relative path.
if (selectedVersion !== currentVersion) {
window.location.href = version_paths[selectedVersion];
}
};
versions.forEach(v => {
const option = document.createElement('option');
option.value = v;
option.textContent = v;
if (v === currentVersion) {
option.selected = true;
}
select.appendChild(option);
});
// Replace the Doxygen project number element with our dropdown.
projectNumber.replaceWith(select);
// Apply some styling to make it look good.
Object.assign(select.style, {
backgroundColor: 'rgba(0, 0, 0, 0.8)',
color: 'white',
border: '1px solid rgba(255, 255, 255, 0.2)',
padding: '5px',
borderRadius: '5px',
fontSize: '14px',
fontFamily: 'inherit',
marginLeft: '10px',
cursor: 'pointer'
});
});
</script>
</body>
</html>