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<div><div class="header">
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<div class="headertitle"><div class="title">C++20 Modules</div></div>
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<div class="contents">
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<div class="textblock"><dl class="section warning"><dt>Warning</dt><dd>此功能仍在開發中，API 可能會在未來的版本中更改。 我們需要您的貢獻來幫助我們改進 FTXUI 中 C++ 模組的兼容性和可用性。 如果您遇到任何問題或有任何建議，請開啟一個 issue。</dd></dl>
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<p>FTXUI 實驗性地支持 <a href="https://en.cppreference.com/w/cpp/language/modules">C++20 模組</a> 以減少 編譯時間並改進程式碼組織。庫的每個部分都有一個 對應的模組，每個標頭分成不同的分區。</p>
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<p>使用 FTXUI_BUILD_MODULES 選項來建構 FTXUI 專案本身以提供 C++20 模組， 例如使用 CMake 和 Ninja：</p>
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<div class="fragment"><div class="line">cmake \</div>
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<div class="line"> -DCMAKE_GENERATOR=Ninja \</div>
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<div class="line"> -DFTXUI_BUILD_MODULES=ON \</div>
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<div class="line"> ..</div>
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<div class="line"> </div>
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<div class="line">ninja</div>
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</div><!-- fragment --><dl class="section note"><dt>Note</dt><dd>要使用模組，您需要 C++≥20 兼容的編譯器、CMake 3.20 或 更高版本，並使用兼容的生成器，如 Ninja。請注意，Makefile 生成器**不支持模組**。</dd></dl>
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<p>然後，在您自己的程式碼中，您可以像往常一樣使用模組和程式碼：</p>
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<div class="fragment"><div class="line"><span class="keyword">import</span> <a class="code" href="module__ftxui.html">ftxui</a>;</div>
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<div class="line"> </div>
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<div class="line"><span class="keyword">using </span>ftxui::Button;</div>
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<div class="line"><span class="keyword">using </span><a class="code hl_class" href="group__component.html#classftxui_1_1ScreenInteractive">ftxui::ScreenInteractive</a>;</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 = ScreenInteractive::TerminalOutput();</div>
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<div class="line"> <span class="keyword">auto</span> <a class="code hl_variable" href="gallery_8cpp.html#a14139799dd4b2fc41ecb6cb14936322f">button</a> = Button(<span class="stringliteral">"Click me"</span>, screen.QuitClosure());</div>
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<div class="line"> screen.Loop(<a class="code hl_variable" href="gallery_8cpp.html#a14139799dd4b2fc41ecb6cb14936322f">button</a>);</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="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#l00030">examples/component/button.cpp:30</a></div></div>
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||
<div class="ttc" id="agallery_8cpp_html_a14139799dd4b2fc41ecb6cb14936322f"><div class="ttname"><a href="gallery_8cpp.html#a14139799dd4b2fc41ecb6cb14936322f">button</a></div><div class="ttdeci">auto button</div><div class="ttdef"><b>Definition</b> <a href="gallery_8cpp_source.html#l00084">gallery.cpp:84</a></div></div>
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||
<div class="ttc" id="agroup__component_html_classftxui_1_1ScreenInteractive"><div class="ttname"><a href="group__component.html#classftxui_1_1ScreenInteractive">ftxui::ScreenInteractive</a></div><div class="ttdoc">ScreenInteractive 是一個可以處理事件、執行主迴圈並管理組件的 Screen。</div><div class="ttdef"><b>Definition</b> <a href="screen__interactive_8hpp_source.html#l00033">screen_interactive.hpp:33</a></div></div>
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||
<div class="ttc" id="amodule__ftxui_html"><div class="ttname"><a href="module__ftxui.html">ftxui</a></div><div class="ttdoc">重新導出所有 FTXUI 子模組的模組文件。</div></div>
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</div><!-- fragment --><p>請注意，<code>ftxui</code> 便利模組只是將所有模組整合在一起：</p>
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<div class="fragment"><div class="line"><span class="keyword">export</span> <span class="keyword">import</span> <a class="code" href="module__ftxui_8component.html">ftxui.component</a>;</div>
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||
<div class="line"><span class="keyword">export</span> <span class="keyword">import</span> <a class="code" href="module__ftxui_8dom.html">ftxui.dom</a>;</div>
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<div class="line"><span class="keyword">export</span> <span class="keyword">import</span> <a class="code" href="module__ftxui_8screen.html">ftxui.screen</a>;</div>
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<div class="line"><span class="keyword">export</span> <span class="keyword">import</span> <a class="code" href="module__ftxui_8util.html">ftxui.util</a>;</div>
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<div class="ttc" id="amodule__ftxui_8component_html"><div class="ttname"><a href="module__ftxui_8component.html">ftxui.component</a></div><div class="ttdoc">FTXUI 組件操作的模組文件。</div></div>
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||
<div class="ttc" id="amodule__ftxui_8dom_html"><div class="ttname"><a href="module__ftxui_8dom.html">ftxui.dom</a></div><div class="ttdoc">FTXUI DOM 操作的模組檔案。</div></div>
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||
<div class="ttc" id="amodule__ftxui_8screen_html"><div class="ttname"><a href="module__ftxui_8screen.html">ftxui.screen</a></div><div class="ttdoc">FTXUI 螢幕操作的模組文件。</div></div>
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<div class="ttc" id="amodule__ftxui_8util_html"><div class="ttname"><a href="module__ftxui_8util.html">ftxui.util</a></div><div class="ttdoc">FTXUI 公用程式操作的模組檔案。</div></div>
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</div><!-- fragment --><p> You can instead import only the module(s) you need if desired.</p>
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<p>為了正確地使用 CMake 查找和連結模組，請使用 <code>target_link_libraries</code> 來獲取正確的 編譯器、連結器等標誌。</p>
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<div class="fragment"><div class="line">target_link_libraries(my_executable</div>
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<div class="line"> #...whatever...</div>
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<div class="line"> PRIVATE ftxui::modules</div>
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<div class="line">)</div>
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</div><!-- fragment --><h3><a class="anchor" id="模組列表"></a>
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模組列表</h3>
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<p>這些模組直接引用對應的標頭，或一組相關的 標頭以提供更方便的介面。以下模組 可用：</p>
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<ul>
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<li><code>ftxui</code><ul>
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<li><code>ftxui.component</code></li>
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<li><code>ftxui.dom</code></li>
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<li><code>ftxui.screen</code></li>
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<li><code><a class="el" href="namespaceftxui_1_1util.html">ftxui.util</a></code> </li>
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||
</ul>
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||
</li>
|
||
</ul>
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</div></div><!-- contents -->
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</div><!-- PageDoc -->
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</div><!-- doc-content -->
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const langs = ["en", "es", "fr", "ja", "zh-CH", "zh-TW"];
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const lang_paths = {"en": "../index.html", "es": "../es/index.html", "fr": "../fr/index.html", "ja": "../ja/index.html", "zh-CH": "../zh-CH/index.html", "zh-TW": "index.html"};
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const lang_display = {"en": "English", "es": "Espa\u00f1ol", "fr": "Fran\u00e7ais", "ja": "\u65e5\u672c\u8a9e", "zh-CH": "\u4e2d\u6587 (\u7b80\u4f53)", "zh-TW": "\u4e2d\u6587 (\u7e41\u9ad4)"};
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const versions = ["main"];
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const version_paths = {"main": "index.html"};
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const currentLang = "zh-TW";
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const currentVersion = "main";
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// Helper function to create a styled select element
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const select = document.createElement('select');
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select.title = label;
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select.onchange = function() {
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const selectedValue = this.value;
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if (selectedValue in paths) {
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window.location.href = paths[selectedValue];
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// Sort versions: 'main' first, then others numerically descending.
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if (v === current) {
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option.selected = true;
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}
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select.appendChild(option);
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});
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// Apply some styling to make it look good.
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Object.assign(select.style, {
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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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padding: '5px',
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borderRadius: '5px',
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fontSize: '14px',
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fontFamily: 'inherit',
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margin: '0 5px 0 0',
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cursor: 'pointer'
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});
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return select;
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};
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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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fontSize: '20px',
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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>
|