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<div id="projectname">FTXUI<span id="projectnumber"> 6.1.9</span>
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<div id="projectbrief">C++ functional terminal UI.</div>
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<div class="header">
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<div class="headertitle"><div class="title">examples/component/composition.cpp</div></div>
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<div class="contents">
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<div class="fragment"><div class="line"><span class="comment">// 版权所有 2021 Arthur Sonzogni. 保留所有权利。</span></div>
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<div class="line"><span class="comment">// 本源代码的使用受 MIT 许可证的约束，该许可证可在以下位置找到：</span></div>
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<div class="line"><span class="comment">// LICENSE 文件。</span></div>
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<div class="line"><span class="preprocessor">#include <memory></span> <span class="comment">// for allocator, 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="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 text, separator, Element, operator|, vbox, border</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="comment">// 一个示例，展示如何将多个组件组合成一个并保持它们的</span></div>
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<div class="line"><span class="comment">// 交互性。</span></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="keyword">auto</span> left_count = 0;</div>
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<div class="line"> <span class="keyword">auto</span> right_count = 0;</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> left_buttons = Container::Horizontal({</div>
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<div class="line"> Button(<span class="stringliteral">"Decrease"</span>, [&] { left_count--; }),</div>
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<div class="line"> Button(<span class="stringliteral">"Increase"</span>, [&] { left_count++; }),</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> right_buttons = Container::Horizontal({</div>
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<div class="line"> Button(<span class="stringliteral">"Decrease"</span>, [&] { right_count--; }),</div>
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||
<div class="line"> Button(<span class="stringliteral">"Increase"</span>, [&] { right_count++; }),</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">// 渲染器用新的渲染函数装饰其子组件。子组件对事件的反应方式</span></div>
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||
<div class="line"> <span class="comment">// 保持不变。</span></div>
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||
<div class="line"> <span class="keyword">auto</span> leftpane = Renderer(left_buttons, [&] {</div>
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||
<div class="line"> <span class="keywordflow">return</span> vbox({</div>
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||
<div class="line"> text(<span class="stringliteral">"This is the left control"</span>),</div>
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||
<div class="line"> separator(),</div>
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||
<div class="line"> text(<span class="stringliteral">"Left button count: "</span> + std::to_string(left_count)),</div>
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||
<div class="line"> left_buttons->Render(),</div>
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||
<div class="line"> }) |</div>
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||
<div class="line"> border;</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> rightpane = Renderer(right_buttons, [&] {</div>
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<div class="line"> <span class="keywordflow">return</span> vbox({</div>
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<div class="line"> text(<span class="stringliteral">"This is the right control"</span>),</div>
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||
<div class="line"> separator(),</div>
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||
<div class="line"> text(<span class="stringliteral">"Right button count: "</span> + std::to_string(right_count)),</div>
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||
<div class="line"> right_buttons->Render(),</div>
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||
<div class="line"> }) |</div>
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||
<div class="line"> border;</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">// 容器将组件组合在一起。要渲染一个 Container::Horizontal，</span></div>
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<div class="line"> <span class="comment">// 它并排渲染其子组件。它保持它们的交互性并</span></div>
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||
<div class="line"> <span class="comment">// 提供使用箭头键从一个导航到另一个的逻辑。</span></div>
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<div class="line"> <span class="keyword">auto</span> composition = Container::Horizontal({leftpane, rightpane});</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(composition);</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="line"> </div>
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||
<div class="line"><span class="comment">// 感谢 Chris Morgan 提供此示例！</span></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="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="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>定义</b> <a href="examples_2component_2button_8cpp_source.html#l00033">examples/component/button.cpp:33</a></div></div>
|
||
<div class="ttc" id="anamespaceftxui_html"><div class="ttname"><a href="namespaceftxui.html">ftxui</a></div><div class="ttdoc">#include "ftxui/component/component_base.hpp" // 用于 ComponentBase</div><div class="ttdef"><b>定义</b> <a href="animation_8hpp_source.html#l00009">animation.hpp:9</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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</div><!-- fragment --> </div><!-- contents -->
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select.appendChild(option);
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// Apply some styling to make it look good.
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backgroundColor: 'rgba(0, 0, 0, 0.8)',
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color: 'white',
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border: '1px solid rgba(255, 255, 255, 0.2)',
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return select;
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// 1. Create Language Switcher, passing the language display names map
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const langSelect = createSelect(langs, currentLang, lang_paths, 'Select Language', lang_display);
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// 2. Create Version Switcher
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const versionSelect = createSelect(versions, currentVersion, version_paths, 'Select Version');
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// 3. Create FTXUI title.
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const ftxuiTitle = document.createElement('span');
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ftxuiTitle.textContent = 'FTXUI: ';
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Object.assign(ftxuiTitle.style, {
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color: 'white',
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fontWeight: 'bold',
|
||
marginRight: '10px'
|
||
});
|
||
|
||
// 3. Create a container to hold both selectors
|
||
const container = document.createElement('div');
|
||
container.id = 'version-lang-switchers';
|
||
Object.assign(container.style, {
|
||
display: 'flex',
|
||
alignItems: 'center',
|
||
justifyContent: 'flex-end',
|
||
width: 'auto'
|
||
});
|
||
container.appendChild(ftxuiTitle);
|
||
container.appendChild(langSelect);
|
||
container.appendChild(versionSelect);
|
||
|
||
Object.assign(container.style, {
|
||
backgroundColor: 'rgba(0, 0, 0, 0.5)',
|
||
padding: '5px 10px',
|
||
borderRadius: '8px'
|
||
});
|
||
|
||
|
||
// Replace the Doxygen project number element with our container.
|
||
projectNumber.replaceWith(container);
|
||
|
||
// Clean up the original Doxygen project number text if it still exists nearby
|
||
const parent = container.parentElement;
|
||
if (parent) {
|
||
const textNode = Array.from(parent.childNodes).find(n => n.nodeType === 3 && n.textContent.trim() !== '');
|
||
if (textNode) {
|
||
textNode.remove();
|
||
}
|
||
}
|
||
});
|
||
</script>
|
||
</body>
|
||
</html>
|