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<div id="projectname">FTXUI
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 <span id="projectnumber">6.0.2</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/focus.cpp</div></div>
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<div class="contents">
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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 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+, char_traits, to_string, string</span></div>
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<div class="line"><span class="preprocessor">#include <vector></span> <span class="comment">// for vector</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 Slider, Renderer, Vertical</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 Elements, Element, operator|, separator, text, focusPositionRelative, size, border, flex, frame, bgcolor, gridbox, vbox, EQUAL, center, HEIGHT, WIDTH</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</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"><a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> make_box(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) {</div>
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<div class="line"> std::string title = <span class="stringliteral">"("</span> + std::to_string(x) + <span class="stringliteral">", "</span> + std::to_string(y) + <span class="stringliteral">")"</span>;</div>
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<div class="line"> <span class="keywordflow">return</span> text(title) | center | size(WIDTH, EQUAL, 18) |</div>
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<div class="line"> size(HEIGHT, EQUAL, 9) | border |</div>
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<div class="line"> bgcolor(Color::HSV(x * 255 / 15, 255, y * 255 / 15));</div>
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<div class="line">};</div>
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<div class="line"> </div>
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<div class="line"><a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> make_grid() {</div>
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<div class="line"> std::vector<Elements> rows;</div>
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<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 15; i++) {</div>
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<div class="line"> std::vector<Element> cols;</div>
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<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < 15; j++) {</div>
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<div class="line"> cols.push_back(make_box(i, j));</div>
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<div class="line"> }</div>
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<div class="line"> rows.push_back(cols);</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="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#abcdf409d605edafd3191cd7ba47bcbd1">gridbox</a>(rows);</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="keywordtype">int</span> main() {</div>
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<div class="line"> <span class="keywordtype">float</span> focus_x = 0.5f;</div>
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<div class="line"> <span class="keywordtype">float</span> focus_y = 0.5f;</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> slider_x = <a class="code hl_function" href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">Slider</a>(<span class="stringliteral">"x"</span>, &focus_x, 0.f, 1.f, 0.01f);</div>
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<div class="line"> <span class="keyword">auto</span> slider_y = <a class="code hl_function" href="namespaceftxui.html#aa3558d992a72679e5e9c9c7b67abd727">Slider</a>(<span class="stringliteral">"y"</span>, &focus_y, 0.f, 1.f, 0.01f);</div>
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<div class="line"> </div>
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<div class="line"> <span class="keyword">auto</span> renderer = <a class="code hl_function" href="namespaceftxui.html#a533e883e2aeea28de2b60564fcaf0361">Renderer</a>(</div>
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<div class="line"> Container::Vertical({</div>
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<div class="line"> slider_x,</div>
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<div class="line"> slider_y,</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> title = <span class="stringliteral">"focusPositionRelative("</span> + <span class="comment">//</span></div>
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<div class="line"> std::to_string(focus_x) + <span class="stringliteral">", "</span> + <span class="comment">//</span></div>
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<div class="line"> std::to_string(focus_y) + <span class="stringliteral">")"</span>; <span class="comment">//</span></div>
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<div class="line"> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#afd28058f0ccbbdf34691a85a7cc9b2e3">vbox</a>({</div>
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<div class="line"> <a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(title),</div>
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<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
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<div class="line"> slider_x->Render(),</div>
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<div class="line"> slider_y->Render(),</div>
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<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ac1ef1cf6bf7cd0759ffa195071edb2a0">separator</a>(),</div>
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<div class="line"> make_grid() | <a class="code hl_function" href="namespaceftxui.html#a13befad33cb4125e2143f2af3eddcc71">focusPositionRelative</a>(focus_x, focus_y) |</div>
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<div class="line"> <a class="code hl_function" href="namespaceftxui.html#ad0d6a96f6e1fb6d67d9fa6323062a737">frame</a> | <a class="code hl_function" href="namespaceftxui.html#a257acd2bd47bab7db879cca2c0e67e23">flex</a>,</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> screen = ScreenInteractive::Fullscreen();</div>
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<div class="line"> screen.Loop(renderer);</div>
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<div class="line"> </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="aelements_8hpp_html"><div class="ttname"><a href="elements_8hpp.html">elements.hpp</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="anamespaceftxui_html_a13befad33cb4125e2143f2af3eddcc71"><div class="ttname"><a href="namespaceftxui.html#a13befad33cb4125e2143f2af3eddcc71">ftxui::focusPositionRelative</a></div><div class="ttdeci">Decorator focusPositionRelative(float x, float y)</div><div class="ttdoc">Used inside a frame, this force the view to be scrolled toward a a given position....</div><div class="ttdef"><b>Definition</b> <a href="focus_8cpp_source.html#l00031">focus.cpp:31</a></div></div>
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<div class="ttc" id="anamespaceftxui_html_a257acd2bd47bab7db879cca2c0e67e23"><div class="ttname"><a href="namespaceftxui.html#a257acd2bd47bab7db879cca2c0e67e23">ftxui::flex</a></div><div class="ttdeci">Element flex(Element)</div><div class="ttdoc">Make a child element to expand proportionally to the space left in a container.</div><div class="ttdef"><b>Definition</b> <a href="flex_8cpp_source.html#l00123">flex.cpp:123</a></div></div>
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<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< Node > Element</div><div class="ttdef"><b>Definition</b> <a href="elements_8hpp_source.html#l00022">elements.hpp:22</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="renderer_8cpp_source.html#l00061">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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<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< T > options)</div><div class="ttdoc">A slider in any direction.</div><div class="ttdef"><b>Definition</b> <a href="slider_8cpp_source.html#l00346">slider.cpp:346</a></div></div>
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<div class="ttc" id="anamespaceftxui_html_abcdf409d605edafd3191cd7ba47bcbd1"><div class="ttname"><a href="namespaceftxui.html#abcdf409d605edafd3191cd7ba47bcbd1">ftxui::gridbox</a></div><div class="ttdeci">Element gridbox(std::vector< Elements > lines)</div><div class="ttdoc">A container displaying a grid of elements.</div><div class="ttdef"><b>Definition</b> <a href="gridbox_8cpp_source.html#l00173">gridbox.cpp:173</a></div></div>
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<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#l00134">separator.cpp:134</a></div></div>
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<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#l00118">frame.cpp:118</a></div></div>
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<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#l00096">vbox.cpp:96</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><!-- contents -->
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<script>
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const projectNumber = document.getElementById('projectnumber');
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console.warn('Doxygen element with ID "projectnumber" not found. Cannot add version switcher.');
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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"];
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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": "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": "../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"};
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const currentVersion = "v6.0.2";
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// 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>
|