Files
FTXUI/examples_2component_2canvas_animated_8cpp-example.html
2025-09-09 05:48:11 +00:00

491 lines
35 KiB
HTML

<!-- HTML header for doxygen 1.9.8-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=11"/>
<meta name="generator" content="Doxygen 1.12.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>FTXUI: examples/component/canvas_animated.cpp</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="doxygen-awesome-fragment-copy-button.js"></script>
<script type="text/javascript" src="doxygen-awesome-paragraph-link.js"></script>
<script type="text/javascript" src="doxygen-awesome-interactive-toc.js"></script>
<script type="text/javascript" src="doxygen-awesome-tabs.js"></script>
<script type="module">
DoxygenAwesomeFragmentCopyButton.init()
DoxygenAwesomeParagraphLink.init()
DoxygenAwesomeInteractiveToc.init()
DoxygenAwesomeTabs.init()
await new Promise(r => window.addEventListener('DOMContentLoaded', r));
// Remove title when a img[alt='title-img'] is present.
// Find an image with the alt "img-title".
const img = document.querySelector("img[alt='title-img']");
const header = document.querySelector(".headertitle");
if (img && header) {
// Hide the header title progressively.
header.style.display = "none";
// Show progressively the image.
img.style.maxHeight = "40vh";
img.style.maxWidth = "100%";
img.style.objectFit = "contain";
}
// In the "examples.html" page. Turn every link with text
// "examples/<...>
//
// Add a "demo" link toward.
// https://arthursonzogni.github.io/FTXUI/examples/?file=<...>
const examples = document.querySelectorAll("a")
examples.forEach((example) => {
if (!example.textContent.startsWith("examples/")) {
return;
}
// Remove the ".cpp" extension from the example name.
const exampleName = example.textContent.replace("examples/", "").replace(".cpp", "");
const a = document.createElement("a");
a.textContent = "[demo]";
a.href = "https://arthursonzogni.github.io/FTXUI/examples/?file=" + exampleName;
a.style.marginRight= "1em";
a.style.fontWeight = "bold";
example.parentElement.insertBefore(a, example)
});
// If the current URL ends with -example.html, we can add a link to the demo
// as well using the div.title textContent.
const url = new URL(window.location.href);
if (url.pathname.endsWith("-example.html")) {
// Get the title text.
const title = document.querySelector("div.title").textContent;
const example = title.replace("examples/", "").replace(".cpp", "");
// Create a link to the demo.
const a = document.createElement("a");
a.textContent = "[demo]";
a.href = "https://arthursonzogni.github.io/FTXUI/examples/?file=" + example;
a.style.marginLeft = "1em";
a.style.fontWeight = "bold";
a.style.display = "inline-block";
// Insert the link after the title.
const titleDiv = document.querySelector("div.title");
if (titleDiv) {
titleDiv.insertBefore(a, titleDiv.nextSibling);
}
}
</script>
<script type="module">
// Click on the navtree, except for the main page where this is already done
// automatically.
let delay = 0;
while(true) {
const navtree = document.querySelector("div.item.selected");
if (!navtree) {
delay *= 2;
delay += 1;
await new Promise(resolve => setTimeout(resolve, delay));
continue;
}
// Include only selected navtree items.
console.log("navtree.textContent", navtree.textContent);
if (!navtree.textContent.includes("Getting Started") &&
!navtree.textContent.includes("Installation") &&
!navtree.textContent.includes("ftxui / screen") &&
!navtree.textContent.includes("ftxui / dom") &&
!navtree.textContent.includes("ftxui / component") &&
!navtree.textContent.includes("Reference")) {
break;
}
// Find the first link inside the navtree.
const link = navtree.querySelector("a");
if (link) {
// Simulate a click on the link.
link.click();
break;
}
}
</script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="cookie.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
<link href="stylesheet.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr id="projectrow">
<td id="projectalign">
<div id="projectname">FTXUI<span id="projectnumber">&#160;6.1.9</span>
</div>
<div id="projectbrief">C++ functional terminal UI.</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.12.0 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search/",'.html');
/* @license-end */
</script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() { codefold.init(0); });
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function(){initNavTree('examples_2component_2canvas_animated_8cpp-example.html',''); initResizable(true); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="headertitle"><div class="title">examples/component/canvas_animated.cpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><span class="comment">// Copyright 2021 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 LICENSED file.</span></div>
<div class="line"><span class="preprocessor">#include &lt;cmath&gt;</span> <span class="comment">// for sin, cos</span></div>
<div class="line"><span class="preprocessor">#include &lt;<a class="code" href="elements_8hpp.html">ftxui/dom/elements.hpp</a>&gt;</span> <span class="comment">// for canvas, Element, separator, hbox, operator|, border</span></div>
<div class="line"><span class="preprocessor">#include &lt;<a class="code" href="screen_8hpp.html">ftxui/screen/screen.hpp</a>&gt;</span> <span class="comment">// for Pixel</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 string, basic_string</span></div>
<div class="line"><span class="preprocessor">#include &lt;utility&gt;</span> <span class="comment">// for move</span></div>
<div class="line"><span class="preprocessor">#include &lt;vector&gt;</span> <span class="comment">// for vector, __alloc_traits&lt;&gt;::value_type</span></div>
<div class="line"> </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 Renderer, CatchEvent, Horizontal, Menu, Tab</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="event_8hpp.html">ftxui/component/event.hpp</a>&quot;</span> <span class="comment">// for Event</span></div>
<div class="line"><span class="preprocessor">#include &quot;<a class="code" href="mouse_8hpp.html">ftxui/component/mouse.hpp</a>&quot;</span> <span class="comment">// for Mouse</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="canvas_8hpp.html">ftxui/dom/canvas.hpp</a>&quot;</span> <span class="comment">// for Canvas</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::Red, Color::Blue, Color::Green, ftxui</span></div>
<div class="line"> </div>
<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>
<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="keywordtype">int</span> mouse_x = 0;</div>
<div class="line"> <span class="keywordtype">int</span> mouse_y = 0;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A triangle following the mouse, using braille characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_line_braille = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a id="_a1" name="_a1"></a><a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;Several lines (braille)&quot;</span>);</div>
<div class="line"> c.DrawPointLine(mouse_x, mouse_y, 80, 10, Color::Red);</div>
<div class="line"> c.DrawPointLine(80, 10, 80, 40, Color::Blue);</div>
<div class="line"> c.DrawPointLine(80, 40, mouse_x, mouse_y, Color::Green);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A triangle following the mouse, using block characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_line_block = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;Several lines (block)&quot;</span>);</div>
<div class="line"> c.DrawBlockLine(mouse_x, mouse_y, 80, 10, Color::Red);</div>
<div class="line"> c.DrawBlockLine(80, 10, 80, 40, Color::Blue);</div>
<div class="line"> c.DrawBlockLine(80, 40, mouse_x, mouse_y, Color::Green);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A circle following the mouse, using braille characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_circle_braille = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A circle (braille)&quot;</span>);</div>
<div class="line"> c.DrawPointCircle(mouse_x, mouse_y, 30);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A circle following the mouse, using block characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_circle_block = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A circle (block)&quot;</span>);</div>
<div class="line"> c.DrawBlockCircle(mouse_x, mouse_y, 30);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A filled circle following the mouse, using braille characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_circle_filled_braille = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A circle filled (braille)&quot;</span>);</div>
<div class="line"> c.DrawPointCircleFilled(mouse_x, mouse_y, 30);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A filled circle following the mouse, using block characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_circle_filled_block = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A circle filled (block)&quot;</span>);</div>
<div class="line"> c.DrawBlockCircleFilled(mouse_x, mouse_y, 30);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// An ellipse following the mouse, using braille characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_ellipse_braille = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;An ellipse (braille)&quot;</span>);</div>
<div class="line"> c.DrawPointEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// An ellipse following the mouse, using block characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_ellipse_block = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;An ellipse (block)&quot;</span>);</div>
<div class="line"> c.DrawBlockEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// An ellipse following the mouse filled, using braille characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_ellipse_filled_braille = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A filled ellipse (braille)&quot;</span>);</div>
<div class="line"> c.DrawPointEllipseFilled(mouse_x / 2, mouse_y / 2, mouse_x / 2,</div>
<div class="line"> mouse_y / 2);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// An ellipse following the mouse filled, using block characters.</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_ellipse_filled_block = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A filled ellipse (block)&quot;</span>);</div>
<div class="line"> c.DrawBlockEllipseFilled(mouse_x / 2, mouse_y / 2, mouse_x / 2,</div>
<div class="line"> mouse_y / 2);</div>
<div class="line"> c.DrawBlockEllipse(mouse_x / 2, mouse_y / 2, mouse_x / 2, mouse_y / 2);</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// A text following the mouse</span></div>
<div class="line"> <span class="keyword">auto</span> renderer_text = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A piece of text&quot;</span>);</div>
<div class="line"> c.DrawText(mouse_x, mouse_y, <span class="stringliteral">&quot;This is a piece of text with effects&quot;</span>,</div>
<div class="line"> [](<a id="_a2" name="_a2"></a><a class="code hl_struct" href="group__screen.html#structftxui_1_1Pixel">Pixel</a>&amp; p) {</div>
<div class="line"> p.<a id="a3" name="a3"></a><a class="code hl_variable" href="group__screen.html#a2ce82adc1d02baf22df658b903dcb351">foreground_color</a> = Color::Red;</div>
<div class="line"> p.<a id="a4" name="a4"></a><a class="code hl_variable" href="group__screen.html#a7c8849e8321ea248cd4991ea8ef198eb">underlined</a> = <span class="keyword">true</span>;</div>
<div class="line"> p.<a id="a5" name="a5"></a><a class="code hl_variable" href="group__screen.html#a7a210a24d67146bd143c013d1da0f2dd">bold</a> = <span class="keyword">true</span>;</div>
<div class="line"> });</div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> renderer_plot_1 = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A graph&quot;</span>);</div>
<div class="line"> </div>
<div class="line"> std::vector&lt;int&gt; ys(100);</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; 100; x++) {</div>
<div class="line"> <span class="keywordtype">float</span> dx = float(x - mouse_x);</div>
<div class="line"> <span class="keywordtype">float</span> dy = 50.f;</div>
<div class="line"> ys[x] = int(dy + 20 * cos(dx * 0.14) + 10 * sin(dx * 0.42));</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 1; x &lt; 99; x++) {</div>
<div class="line"> c.DrawPointLine(x, ys[x], x + 1, ys[x + 1]);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> renderer_plot_2 = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A symmetrical graph filled&quot;</span>);</div>
<div class="line"> std::vector&lt;int&gt; ys(100);</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; 100; x++) {</div>
<div class="line"> ys[x] = int(30 + <span class="comment">//</span></div>
<div class="line"> 10 * cos(x * 0.2 - mouse_x * 0.05) + <span class="comment">//</span></div>
<div class="line"> 5 * sin(x * 0.4) + <span class="comment">//</span></div>
<div class="line"> 5 * sin(x * 0.3 - mouse_y * 0.05)); <span class="comment">//</span></div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; 100; x++) {</div>
<div class="line"> c.DrawPointLine(x, 50 + ys[x], x, 50 - ys[x], Color::Red);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> renderer_plot_3 = Renderer([&amp;] {</div>
<div class="line"> <span class="keyword">auto</span> c = <a class="code hl_struct" href="group__dom.html#structftxui_1_1Canvas">Canvas</a>(100, 100);</div>
<div class="line"> c.DrawText(0, 0, <span class="stringliteral">&quot;A 2D gaussian plot&quot;</span>);</div>
<div class="line"> <span class="keywordtype">int</span> size = 15;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// mouse_x = 5mx + 3*my</span></div>
<div class="line"> <span class="comment">// mouse_y = 0mx + -5my + 90</span></div>
<div class="line"> <span class="keywordtype">float</span> my = (mouse_y - 90) / -5.f;</div>
<div class="line"> <span class="keywordtype">float</span> mx = (mouse_x - 3 * my) / 5.f;</div>
<div class="line"> std::vector&lt;std::vector&lt;float&gt;&gt; ys(size, std::vector&lt;float&gt;(size));</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y &lt; size; y++) {</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; size; x++) {</div>
<div class="line"> <span class="keywordtype">float</span> dx = x - mx;</div>
<div class="line"> <span class="keywordtype">float</span> dy = y - my;</div>
<div class="line"> ys[y][x] = -1.5 + 3.0 * std::exp(-0.2f * (dx * dx + dy * dy));</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y = 0; y &lt; size; y++) {</div>
<div class="line"> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x = 0; x &lt; size; x++) {</div>
<div class="line"> <span class="keywordflow">if</span> (x != 0) {</div>
<div class="line"> c.DrawPointLine(</div>
<div class="line"> 5 * (x - 1) + 3 * (y - 0), 90 - 5 * (y - 0) - 5 * ys[y][x - 1],</div>
<div class="line"> 5 * (x - 0) + 3 * (y - 0), 90 - 5 * (y - 0) - 5 * ys[y][x]);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">if</span> (y != 0) {</div>
<div class="line"> c.DrawPointLine(</div>
<div class="line"> 5 * (x - 0) + 3 * (y - 1), 90 - 5 * (y - 1) - 5 * ys[y - 1][x],</div>
<div class="line"> 5 * (x - 0) + 3 * (y - 0), 90 - 5 * (y - 0) - 5 * ys[y][x]);</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> canvas(std::move(c));</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keywordtype">int</span> selected_tab = 12;</div>
<div class="line"> <span class="keyword">auto</span> tab = Container::Tab(</div>
<div class="line"> {</div>
<div class="line"> renderer_line_braille,</div>
<div class="line"> renderer_line_block,</div>
<div class="line"> renderer_circle_braille,</div>
<div class="line"> renderer_circle_block,</div>
<div class="line"> renderer_circle_filled_braille,</div>
<div class="line"> renderer_circle_filled_block,</div>
<div class="line"> renderer_ellipse_braille,</div>
<div class="line"> renderer_ellipse_block,</div>
<div class="line"> renderer_ellipse_filled_braille,</div>
<div class="line"> renderer_ellipse_filled_block,</div>
<div class="line"> </div>
<div class="line"> renderer_plot_1,</div>
<div class="line"> renderer_plot_2,</div>
<div class="line"> renderer_plot_3,</div>
<div class="line"> </div>
<div class="line"> renderer_text,</div>
<div class="line"> },</div>
<div class="line"> &amp;selected_tab);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// This capture the last mouse position.</span></div>
<div class="line"> <span class="keyword">auto</span> tab_with_mouse = CatchEvent(tab, [&amp;](<a id="_a6" name="_a6"></a><a class="code hl_struct" href="group__component.html#structftxui_1_1Event">Event</a> e) {</div>
<div class="line"> <span class="keywordflow">if</span> (e.<a id="a7" name="a7"></a><a class="code hl_function" href="group__component.html#a2c835925299d56941ffd2e2421f0fd13">is_mouse</a>()) {</div>
<div class="line"> mouse_x = (e.<a id="a8" name="a8"></a><a class="code hl_variable" href="group__component.html#a761c3b7a78d8408dfbe76131209532d7">mouse</a>().x - 1) * 2;</div>
<div class="line"> mouse_y = (e.<a class="code hl_variable" href="group__component.html#a761c3b7a78d8408dfbe76131209532d7">mouse</a>().y - 1) * 4;</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> std::vector&lt;std::string&gt; tab_titles = {</div>
<div class="line"> <span class="stringliteral">&quot;line (braille)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;line (block)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;circle (braille)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;circle (block)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;circle filled (braille)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;circle filled (block)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;ellipse (braille)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;ellipse (block)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;ellipse filled (braille)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;ellipse filled (block)&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;plot_1 simple&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;plot_2 filled&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;plot_3 3D&quot;</span>,</div>
<div class="line"> <span class="stringliteral">&quot;text&quot;</span>,</div>
<div class="line"> };</div>
<div class="line"> <span class="keyword">auto</span> tab_toggle = Menu(&amp;tab_titles, &amp;selected_tab);</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> component = Container::Horizontal({</div>
<div class="line"> tab_with_mouse,</div>
<div class="line"> tab_toggle,</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="comment">// Add some separator to decorate the whole component:</span></div>
<div class="line"> <span class="keyword">auto</span> component_renderer = Renderer(component, [&amp;] {</div>
<div class="line"> <span class="keywordflow">return</span> hbox({</div>
<div class="line"> tab_with_mouse-&gt;Render(),</div>
<div class="line"> separator(),</div>
<div class="line"> tab_toggle-&gt;Render(),</div>
<div class="line"> }) |</div>
<div class="line"> border;</div>
<div class="line"> });</div>
<div class="line"> </div>
<div class="line"> <span class="keyword">auto</span> screen = ScreenInteractive::FitComponent();</div>
<div class="line"> screen.Loop(component_renderer);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="ttc" id="acanvas_8hpp_html"><div class="ttname"><a href="canvas_8hpp.html">canvas.hpp</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="aelements_8hpp_html"><div class="ttname"><a href="elements_8hpp.html">elements.hpp</a></div></div>
<div class="ttc" id="aevent_8hpp_html"><div class="ttname"><a href="event_8hpp.html">event.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>Definition</b> <a href="examples_2component_2button_8cpp_source.html#l00033">examples/component/button.cpp:33</a></div></div>
<div class="ttc" id="agroup__component_html_a2c835925299d56941ffd2e2421f0fd13"><div class="ttname"><a href="group__component.html#a2c835925299d56941ffd2e2421f0fd13">ftxui::Event::is_mouse</a></div><div class="ttdeci">bool is_mouse() const</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00109">event.hpp:109</a></div></div>
<div class="ttc" id="agroup__component_html_a761c3b7a78d8408dfbe76131209532d7"><div class="ttname"><a href="group__component.html#a761c3b7a78d8408dfbe76131209532d7">ftxui::Event::mouse</a></div><div class="ttdeci">struct Mouse mouse</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00144">event.hpp:144</a></div></div>
<div class="ttc" id="agroup__component_html_structftxui_1_1Event"><div class="ttname"><a href="group__component.html#structftxui_1_1Event">ftxui::Event</a></div><div class="ttdoc">Represent an event. It can be key press event, a terminal resize, or more ...</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00029">event.hpp:29</a></div></div>
<div class="ttc" id="agroup__dom_html_structftxui_1_1Canvas"><div class="ttname"><a href="group__dom.html#structftxui_1_1Canvas">ftxui::Canvas</a></div><div class="ttdoc">Canvas is a drawable buffer associated with drawing operations.</div><div class="ttdef"><b>Definition</b> <a href="canvas_8hpp_source.html#l00038">canvas.hpp:38</a></div></div>
<div class="ttc" id="agroup__screen_html_a2ce82adc1d02baf22df658b903dcb351"><div class="ttname"><a href="group__screen.html#a2ce82adc1d02baf22df658b903dcb351">ftxui::Pixel::foreground_color</a></div><div class="ttdeci">Color foreground_color</div><div class="ttdef"><b>Definition</b> <a href="pixel_8hpp_source.html#l00049">pixel.hpp:49</a></div></div>
<div class="ttc" id="agroup__screen_html_a7a210a24d67146bd143c013d1da0f2dd"><div class="ttname"><a href="group__screen.html#a7a210a24d67146bd143c013d1da0f2dd">ftxui::Pixel::bold</a></div><div class="ttdeci">bool bold</div><div class="ttdef"><b>Definition</b> <a href="pixel_8hpp_source.html#l00029">pixel.hpp:29</a></div></div>
<div class="ttc" id="agroup__screen_html_a7c8849e8321ea248cd4991ea8ef198eb"><div class="ttname"><a href="group__screen.html#a7c8849e8321ea248cd4991ea8ef198eb">ftxui::Pixel::underlined</a></div><div class="ttdeci">bool underlined</div><div class="ttdef"><b>Definition</b> <a href="pixel_8hpp_source.html#l00033">pixel.hpp:33</a></div></div>
<div class="ttc" id="agroup__screen_html_structftxui_1_1Pixel"><div class="ttname"><a href="group__screen.html#structftxui_1_1Pixel">ftxui::Pixel</a></div><div class="ttdoc">A Unicode character and its associated style.</div><div class="ttdef"><b>Definition</b> <a href="pixel_8hpp_source.html#l00015">pixel.hpp:15</a></div></div>
<div class="ttc" id="amouse_8hpp_html"><div class="ttname"><a href="mouse_8hpp.html">mouse.hpp</a></div></div>
<div class="ttc" id="anamespaceftxui_html"><div class="ttname"><a href="namespaceftxui.html">ftxui</a></div><div class="ttdoc">The FTXUI ftxui:: namespace.</div><div class="ttdef"><b>Definition</b> <a href="animation_8hpp_source.html#l00010">animation.hpp:10</a></div></div>
<div class="ttc" id="ascreen_8hpp_html"><div class="ttname"><a href="screen_8hpp.html">screen.hpp</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>
</div><!-- fragment --> </div><!-- contents -->
</div><!-- doc-content -->
<!-- HTML footer for doxygen 1.9.8-->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.12.0 </li>
</ul>
</div>
</body>
</html>