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<div id="projectbrief">C++ functional terminal UI.</div>
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<div class="headertitle"><div class="title">examples/component/button.cpp</div></div>
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<div class="contents">
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<h1><a class="anchor" id="autotoc_md162"></a>
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button_animated</h1>
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<div class="fragment"><div class="line"><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
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<div class="line"><span class="comment">// Use of this source code is governed by the MIT license that can be found in</span></div>
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<div class="line"><span class="comment">// the LICENSE file.</span></div>
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<div class="line"><span class="preprocessor">#include <memory></span> <span class="comment">// for shared_ptr, __shared_ptr_access</span></div>
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<div class="line"><span class="preprocessor">#include <string></span> <span class="comment">// for operator+, to_string</span></div>
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<div class="line"> </div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="captured__mouse_8hpp.html">ftxui/component/captured_mouse.hpp</a>"</span> <span class="comment">// for ftxui</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="component_8hpp.html">ftxui/component/component.hpp</a>"</span> <span class="comment">// for Button, Horizontal, Renderer</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="component__base_8hpp.html">ftxui/component/component_base.hpp</a>"</span> <span class="comment">// for ComponentBase</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="component__options_8hpp.html">ftxui/component/component_options.hpp</a>"</span> <span class="comment">// for ButtonOption</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="screen__interactive_8hpp.html">ftxui/component/screen_interactive.hpp</a>"</span> <span class="comment">// for ScreenInteractive</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="elements_8hpp.html">ftxui/dom/elements.hpp</a>"</span> <span class="comment">// for gauge, separator, text, vbox, operator|, Element, border</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="color_8hpp.html">ftxui/screen/color.hpp</a>"</span> <span class="comment">// for Color, Color::Blue, Color::Green, Color::Red</span></div>
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<div class="line"> </div>
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<div class="line"><span class="keyword">using namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a>;</div>
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<div class="line"> </div>
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<div class="line"><span class="keywordtype">int</span> <a id="a0" name="a0"></a><a class="code hl_function" href="examples_2component_2button_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>() {</div>
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<div class="line"> <span class="keywordtype">int</span> value = 50;</div>
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<div class="line"> </div>
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<div class="line"> <span class="comment">// The tree of components. This defines how to navigate using the keyboard.</span></div>
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<div class="line"> <span class="keyword">auto</span> buttons = Container::Horizontal({</div>
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<div class="line"> Button(</div>
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<div class="line"> <span class="stringliteral">"Decrease"</span>, [&] { value--; }, ButtonOption::Animated(Color::Red)),</div>
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<div class="line"> Button(</div>
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<div class="line"> <span class="stringliteral">"Reset"</span>, [&] { value = 50; }, ButtonOption::Animated(Color::Green)),</div>
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<div class="line"> Button(</div>
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<div class="line"> <span class="stringliteral">"Increase"</span>, [&] { value++; }, ButtonOption::Animated(Color::Blue)),</div>
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<div class="line"> });</div>
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<div class="line"> </div>
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<div class="line"> <span class="comment">// Modify the way to render them on screen:</span></div>
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<div class="line"> <span class="keyword">auto</span> component = Renderer(buttons, [&] {</div>
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<div class="line"> <span class="keywordflow">return</span> vbox({</div>
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<div class="line"> vbox({</div>
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<div class="line"> text(<span class="stringliteral">"value = "</span> + std::to_string(value)),</div>
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<div class="line"> separator(),</div>
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<div class="line"> gauge(value * 0.01f),</div>
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<div class="line"> }) | border,</div>
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<div class="line"> buttons->Render(),</div>
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<div class="line"> });</div>
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<div class="line"> });</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> screen = ScreenInteractive::FitComponent();</div>
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<div class="line"> screen.Loop(component);</div>
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<div class="line"> <span class="keywordflow">return</span> 0;</div>
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<div class="line">}</div>
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<div class="ttc" id="acaptured__mouse_8hpp_html"><div class="ttname"><a href="captured__mouse_8hpp.html">captured_mouse.hpp</a></div></div>
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<div class="ttc" id="acolor_8hpp_html"><div class="ttname"><a href="color_8hpp.html">color.hpp</a></div></div>
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<div class="ttc" id="acomponent_8hpp_html"><div class="ttname"><a href="component_8hpp.html">component.hpp</a></div></div>
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<div class="ttc" id="acomponent__base_8hpp_html"><div class="ttname"><a href="component__base_8hpp.html">component_base.hpp</a></div></div>
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<div class="ttc" id="acomponent__options_8hpp_html"><div class="ttname"><a href="component__options_8hpp.html">component_options.hpp</a></div></div>
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<div class="ttc" id="aelements_8hpp_html"><div class="ttname"><a href="elements_8hpp.html">elements.hpp</a></div></div>
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<div class="ttc" id="aexamples_2component_2button_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="examples_2component_2button_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition</b> <a href="examples_2component_2button_8cpp_source.html#l00004">examples/component/button.cpp:4</a></div></div>
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<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#l00010">animation.hpp:10</a></div></div>
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<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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</div><!-- fragment --><div class="fragment"><div class="line"><span class="preprocessor">#include "<a class="code" href="component_8hpp.html">ftxui/component/component.hpp</a>"</span></div>
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<div class="line"><span class="preprocessor">#include "<a class="code" href="screen__interactive_8hpp.html">ftxui/component/screen_interactive.hpp</a>"</span></div>
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<div class="line"> </div>
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<div class="line"><span class="keywordtype">int</span> <a class="code hl_function" href="examples_2component_2button_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(){</div>
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<div class="line"> <span class="keyword">auto</span> screen = <a id="a1" name="a1"></a><a class="code hl_function" href="classftxui_1_1ScreenInteractive.html#a53dc5c3030151713857cf1a898d0f897">ftxui::ScreenInteractive::Fullscreen</a>();</div>
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<div class="line"> <span class="keyword">auto</span> testComponent = <a id="a2" name="a2"></a><a class="code hl_function" href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">ftxui::Renderer</a>([](){<span class="keywordflow">return</span> <a id="a3" name="a3"></a><a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">ftxui::text</a>(<span class="stringliteral">"test Component"</span>);});</div>
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<div class="line"> screen.Loop(testComponent);</div>
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<div class="line"> <span class="keywordflow">return</span> 0;</div>
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<div class="line">}</div>
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<div class="ttc" id="aclassftxui_1_1ScreenInteractive_html_a53dc5c3030151713857cf1a898d0f897"><div class="ttname"><a href="classftxui_1_1ScreenInteractive.html#a53dc5c3030151713857cf1a898d0f897">ftxui::ScreenInteractive::Fullscreen</a></div><div class="ttdeci">static ScreenInteractive Fullscreen()</div><div class="ttdef"><b>Definition</b> <a href="screen__interactive_8cpp_source.html#l00374">screen_interactive.cpp:374</a></div></div>
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<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< Element()>)</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="src_2ftxui_2component_2renderer_8cpp_source.html#l00061">src/ftxui/component/renderer.cpp:61</a></div></div>
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<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#l00160">text.cpp:160</a></div></div>
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