zhangyiss/FTXUI
1
0
Fork 0
mirror of https://github.com/ArthurSonzogni/FTXUI.git synced 2025-06-23 23:41:13 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity
gh-pages
FTXUI/src_2ftxui_2dom_2selection_8cpp_source.html

411 lines
42 KiB
HTML
Raw Permalink Normal View History

deploy: 68fc9b12127bd540c8ebfd6ef70f722604e5a0cd
2025-06-20 22:18:44 +08:00
<!-- 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: selection.cpp Source File</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('src_2ftxui_2dom_2selection_8cpp_source.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">src/ftxui/dom/selection.cpp</div></div>
</div><!--header-->
<div class="contents">
<a href="src_2ftxui_2dom_2selection_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright 2024 Arthur Sonzogni. All rights reserved.</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// Use of this source code is governed by the MIT license that can be found in</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">// the LICENSE file.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &quot;<a class="code" href="selection_8hpp.html">ftxui/dom/selection.hpp</a>&quot;</span> <span class="comment">// for Selection</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;algorithm&gt;</span> <span class="comment">// for max, min</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;string&gt;</span> <span class="comment">// for string</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;tuple&gt;</span> <span class="comment">// for ignore</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &quot;<a class="code" href="node__decorator_8hpp.html">ftxui/dom/node_decorator.hpp</a>&quot;</span> <span class="comment">// for NodeDecorator</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a> {</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="keyword">class </span>Unselectable : <span class="keyword">public</span> NodeDecorator {</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">using </span><a class="code hl_function" href="classftxui_1_1NodeDecorator.html#a7e9d74ba5d480d87e8bfcaf2df66fbbe">NodeDecorator::NodeDecorator</a>;</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> <span class="keywordtype">void</span> Select(Selection&amp; ignored)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> std::ignore = ignored;</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// Overwrite the select method to do nothing.</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> }</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span>};</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment"></span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">/// @brief Create an empty selection.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment"></span><a class="code hl_function" href="group__dom.html#ade00d4039f147221b9fd6b6b402b43b1">Selection::Selection</a>() = <span class="keywordflow">default</span>;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment"></span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">/// @brief Create a selection.</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="comment">/// @param start_x The x coordinate of the start of the selection.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="comment">/// @param start_y The y coordinate of the start of the selection.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="comment">/// @param end_x The x coordinate of the end of the selection.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="comment">/// @param end_y The y coordinate of the end of the selection.</span></div>
<div class="foldopen" id="foldopen00034" data-start="{" data-end="}">
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="group__dom.html#a76eafd8bc098ec9f0405e3b1f6fb42c4"> 34</a></span><span class="comment"></span><a class="code hl_function" href="group__dom.html#ade00d4039f147221b9fd6b6b402b43b1">Selection::Selection</a>(<span class="keywordtype">int</span> start_x, <span class="keywordtype">int</span> start_y, <span class="keywordtype">int</span> end_x, <span class="keywordtype">int</span> end_y)</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> : start_x_(start_x),</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> start_y_(start_y),</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> end_x_(end_x),</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> end_y_(end_y),</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> box_{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> std::min(start_x, end_x),</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> std::max(start_x, end_x),</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> std::min(start_y, end_y),</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> std::max(start_y, end_y),</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> },</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> empty_(false) {}</div>
</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><a class="code hl_function" href="group__dom.html#ade00d4039f147221b9fd6b6b402b43b1">Selection::Selection</a>(<span class="keywordtype">int</span> start_x,</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordtype">int</span> start_y,</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordtype">int</span> end_x,</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordtype">int</span> end_y,</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <a class="code hl_class" href="group__dom.html#classftxui_1_1Selection">Selection</a>* parent)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> : start_x_(start_x),</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> start_y_(start_y),</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> end_x_(end_x),</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> end_y_(end_y),</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> box_{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> std::min(start_x, end_x),</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> std::max(start_x, end_x),</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> std::min(start_y, end_y),</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> std::max(start_y, end_y),</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> },</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> parent_(parent),</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> empty_(false) {}</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment"></span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment">/// @brief Get the box of the selection.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment">/// @return The box of the selection.</span></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="group__dom.html#a03f5cc5dcad10fecb7a0b8203c86a13e"> 67</a></span><span class="comment"></span><span class="keyword">const</span> <a class="code hl_struct" href="group__screen.html#structftxui_1_1Box">Box</a>&amp; <a class="code hl_function" href="group__dom.html#a03f5cc5dcad10fecb7a0b8203c86a13e">Selection::GetBox</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">return</span> box_;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>}</div>
</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span><span class="comment"></span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="comment">/// @brief Saturate the selection to be inside the box.</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment">/// This is called by `hbox` to propagate the selection to its children.</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment">/// @param box The box to saturate the selection in.</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment">/// @return The saturated selection.</span></div>
<div class="foldopen" id="foldopen00075" data-start="{" data-end="}">
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="group__dom.html#af3f2674604d907fbce26d4217cfa9324"> 75</a></span><span class="comment"></span><a class="code hl_class" href="group__dom.html#classftxui_1_1Selection">Selection</a> <a class="code hl_function" href="group__dom.html#af3f2674604d907fbce26d4217cfa9324">Selection::SaturateHorizontal</a>(<a class="code hl_struct" href="group__screen.html#structftxui_1_1Box">Box</a> box) {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">int</span> start_x = start_x_;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordtype">int</span> start_y = start_y_;</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordtype">int</span> end_x = end_x_;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordtype">int</span> end_y = end_y_;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> start_outside = !box.<a class="code hl_function" href="group__screen.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(start_x, start_y);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> end_outside = !box.<a class="code hl_function" href="group__screen.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(end_x, end_y);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> properly_ordered =</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> start_y &lt; end_y || (start_y == end_y &amp;&amp; start_x &lt;= end_x);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="keywordflow">if</span> (properly_ordered) {</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (start_outside) {</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> start_x = box.<a class="code hl_variable" href="group__screen.html#ae0951dcafafdc96ac1d8361c672d47e2">x_min</a>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> start_y = box.<a class="code hl_variable" href="group__screen.html#a7941ddc7e35fffb8864af1e922814401">y_min</a>;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> }</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">if</span> (end_outside) {</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> end_x = box.<a class="code hl_variable" href="group__screen.html#a5f0bb6d8a3e66525c3e6264cb8288e43">x_max</a>;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> end_y = box.<a class="code hl_variable" href="group__screen.html#ad033aea530fbbcf5bcd6cd98d882e3a5">y_max</a>;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> }</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">if</span> (start_outside) {</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> start_x = box.<a class="code hl_variable" href="group__screen.html#a5f0bb6d8a3e66525c3e6264cb8288e43">x_max</a>;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> start_y = box.<a class="code hl_variable" href="group__screen.html#ad033aea530fbbcf5bcd6cd98d882e3a5">y_max</a>;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> }</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">if</span> (end_outside) {</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> end_x = box.<a class="code hl_variable" href="group__screen.html#ae0951dcafafdc96ac1d8361c672d47e2">x_min</a>;</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> end_y = box.<a class="code hl_variable" href="group__screen.html#a7941ddc7e35fffb8864af1e922814401">y_min</a>;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> }</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">return</span> {</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> start_x, start_y, end_x, end_y, parent_,</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> };</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span>}</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="comment"></span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span><span class="comment">/// @brief Saturate the selection to be inside the box.</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="comment">/// This is called by `vbox` to propagate the selection to its children.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="comment">/// @param box The box to saturate the selection in.</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span><span class="comment">/// @return The saturated selection.</span></div>
<div class="foldopen" id="foldopen00113" data-start="{" data-end="}">
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"><a class="line" href="group__dom.html#ace69e1e7c6e64b7ae0c4402e0e1e3336"> 113</a></span><span class="comment"></span><a class="code hl_class" href="group__dom.html#classftxui_1_1Selection">Selection</a> <a class="code hl_function" href="group__dom.html#ace69e1e7c6e64b7ae0c4402e0e1e3336">Selection::SaturateVertical</a>(<a class="code hl_struct" href="group__screen.html#structftxui_1_1Box">Box</a> box) {</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordtype">int</span> start_x = start_x_;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordtype">int</span> start_y = start_y_;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">int</span> end_x = end_x_;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordtype">int</span> end_y = end_y_;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> start_outside = !box.<a class="code hl_function" href="group__screen.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(start_x, start_y);</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> end_outside = !box.<a class="code hl_function" href="group__screen.html#a2f31c89738607b84e65992a7005d35a9">Contain</a>(end_x, end_y);</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">const</span> <span class="keywordtype">bool</span> properly_ordered =</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> start_y &lt; end_y || (start_y == end_y &amp;&amp; start_x &lt;= end_x);</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span> (properly_ordered) {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">if</span> (start_outside) {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> start_x = box.<a class="code hl_variable" href="group__screen.html#ae0951dcafafdc96ac1d8361c672d47e2">x_min</a>;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> start_y = box.<a class="code hl_variable" href="group__screen.html#a7941ddc7e35fffb8864af1e922814401">y_min</a>;</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> }</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">if</span> (end_outside) {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> end_x = box.<a class="code hl_variable" href="group__screen.html#a5f0bb6d8a3e66525c3e6264cb8288e43">x_max</a>;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> end_y = box.<a class="code hl_variable" href="group__screen.html#ad033aea530fbbcf5bcd6cd98d882e3a5">y_max</a>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keywordflow">if</span> (start_outside) {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> start_x = box.<a class="code hl_variable" href="group__screen.html#a5f0bb6d8a3e66525c3e6264cb8288e43">x_max</a>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> start_y = box.<a class="code hl_variable" href="group__screen.html#ad033aea530fbbcf5bcd6cd98d882e3a5">y_max</a>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keywordflow">if</span> (end_outside) {</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> end_x = box.<a class="code hl_variable" href="group__screen.html#ae0951dcafafdc96ac1d8361c672d47e2">x_min</a>;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> end_y = box.<a class="code hl_variable" href="group__screen.html#a7941ddc7e35fffb8864af1e922814401">y_min</a>;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> }</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> }</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">return</span> {start_x, start_y, end_x, end_y, parent_};</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>}</div>
</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="foldopen" id="foldopen00146" data-start="{" data-end="}">
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"><a class="line" href="group__dom.html#a9887e25feddebbf840876824cb3cbf61"> 146</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__dom.html#a9887e25feddebbf840876824cb3cbf61">Selection::AddPart</a>(<span class="keyword">const</span> std::string&amp; part, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> <a class="code hl_variable" href="screen_8cpp.html#a972107f15f3c0c099eb9fd605e7f51c6">left</a>, <span class="keywordtype">int</span> <a class="code hl_variable" href="screen_8cpp.html#aa4b74e56e675912bbc06504407fc7a46">right</a>) {</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">if</span> (parent_ != <span class="keyword">this</span>) {</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> parent_-&gt;<a class="code hl_function" href="group__dom.html#a9887e25feddebbf840876824cb3cbf61">AddPart</a>(part, y, <a class="code hl_variable" href="screen_8cpp.html#a972107f15f3c0c099eb9fd605e7f51c6">left</a>, <a class="code hl_variable" href="screen_8cpp.html#aa4b74e56e675912bbc06504407fc7a46">right</a>);</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> }</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> [&amp;] {</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (parts_.str().empty()) {</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> parts_ &lt;&lt; part;</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> }</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">if</span> (y_ != y) {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> parts_ &lt;&lt; <span class="charliteral">&#39;\n&#39;</span> &lt;&lt; part;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">if</span> (x_ == <a class="code hl_variable" href="screen_8cpp.html#a972107f15f3c0c099eb9fd605e7f51c6">left</a> + 1) {</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> parts_ &lt;&lt; part;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> parts_ &lt;&lt; part;</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> }();</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> y_ = y;</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> x_ = <a class="code hl_variable" href="screen_8cpp.html#aa4b74e56e675912bbc06504407fc7a46">right</a>;</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span>}</div>
</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span>} <span class="comment">// namespace ftxui</span></div>
<div class="ttc" id="aclassftxui_1_1NodeDecorator_html_a7e9d74ba5d480d87e8bfcaf2df66fbbe"><div class="ttname"><a href="classftxui_1_1NodeDecorator.html#a7e9d74ba5d480d87e8bfcaf2df66fbbe">ftxui::NodeDecorator::NodeDecorator</a></div><div class="ttdeci">NodeDecorator(Element child)</div><div class="ttdef"><b>Definition</b> <a href="node__decorator_8hpp_source.html#l00018">node_decorator.hpp:18</a></div></div>
<div class="ttc" id="agroup__dom_html_a03f5cc5dcad10fecb7a0b8203c86a13e"><div class="ttname"><a href="group__dom.html#a03f5cc5dcad10fecb7a0b8203c86a13e">ftxui::Selection::GetBox</a></div><div class="ttdeci">const Box &amp; GetBox() const</div><div class="ttdoc">Get the box of the selection.</div><div class="ttdef"><b>Definition</b> <a href="#l00067">src/ftxui/dom/selection.cpp:67</a></div></div>
<div class="ttc" id="agroup__dom_html_a9887e25feddebbf840876824cb3cbf61"><div class="ttname"><a href="group__dom.html#a9887e25feddebbf840876824cb3cbf61">ftxui::Selection::AddPart</a></div><div class="ttdeci">void AddPart(const std::string &amp;part, int y, int left, int right)</div><div class="ttdef"><b>Definition</b> <a href="#l00146">src/ftxui/dom/selection.cpp:146</a></div></div>
<div class="ttc" id="agroup__dom_html_ace69e1e7c6e64b7ae0c4402e0e1e3336"><div class="ttname"><a href="group__dom.html#ace69e1e7c6e64b7ae0c4402e0e1e3336">ftxui::Selection::SaturateVertical</a></div><div class="ttdeci">Selection SaturateVertical(Box box)</div><div class="ttdoc">Saturate the selection to be inside the box. This is called by vbox to propagate the selection to its...</div><div class="ttdef"><b>Definition</b> <a href="#l00113">src/ftxui/dom/selection.cpp:113</a></div></div>
<div class="ttc" id="agroup__dom_html_ade00d4039f147221b9fd6b6b402b43b1"><div class="ttname"><a href="group__dom.html#ade00d4039f147221b9fd6b6b402b43b1">ftxui::Selection::Selection</a></div><div class="ttdeci">Selection()</div><div class="ttdoc">Create an empty selection.</div></div>
<div class="ttc" id="agroup__dom_html_af3f2674604d907fbce26d4217cfa9324"><div class="ttname"><a href="group__dom.html#af3f2674604d907fbce26d4217cfa9324">ftxui::Selection::SaturateHorizontal</a></div><div class="ttdeci">Selection SaturateHorizontal(Box box)</div><div class="ttdoc">Saturate the selection to be inside the box. This is called by hbox to propagate the selection to its...</div><div class="ttdef"><b>Definition</b> <a href="#l00075">src/ftxui/dom/selection.cpp:75</a></div></div>
<div class="ttc" id="agroup__dom_html_classftxui_1_1Selection"><div class="ttname"><a href="group__dom.html#classftxui_1_1Selection">ftxui::Selection</a></div><div class="ttdoc">Represents a selection in a terminal user interface.</div><div class="ttdef"><b>Definition</b> <a href="selection_8hpp_source.html#l00022">selection.hpp:22</a></div></div>
<div class="ttc" id="agroup__screen_html_a2f31c89738607b84e65992a7005d35a9"><div class="ttname"><a href="group__screen.html#a2f31c89738607b84e65992a7005d35a9">ftxui::Box::Contain</a></div><div class="ttdeci">bool Contain(int x, int y) const</div><div class="ttdef"><b>Definition</b> <a href="box_8cpp_source.html#l00042">box.cpp:42</a></div></div>
<div class="ttc" id="agroup__screen_html_a5f0bb6d8a3e66525c3e6264cb8288e43"><div class="ttname"><a href="group__screen.html#a5f0bb6d8a3e66525c3e6264cb8288e43">ftxui::Box::x_max</a></div><div class="ttdeci">int x_max</div><div class="ttdef"><b>Definition</b> <a href="box_8hpp_source.html#l00018">box.hpp:18</a></div></div>
<div class="ttc" id="agroup__screen_html_a7941ddc7e35fffb8864af1e922814401"><div class="ttname"><a href="group__screen.html#a7941ddc7e35fffb8864af1e922814401">ftxui::Box::y_min</a></div><div class="ttdeci">int y_min</div><div class="ttdef"><b>Definition</b> <a href="box_8hpp_source.html#l00019">box.hpp:19</a></div></div>
<div class="ttc" id="agroup__screen_html_ad033aea530fbbcf5bcd6cd98d882e3a5"><div class="ttname"><a href="group__screen.html#ad033aea530fbbcf5bcd6cd98d882e3a5">ftxui::Box::y_max</a></div><div class="ttdeci">int y_max</div><div class="ttdef"><b>Definition</b> <a href="box_8hpp_source.html#l00020">box.hpp:20</a></div></div>
<div class="ttc" id="agroup__screen_html_ae0951dcafafdc96ac1d8361c672d47e2"><div class="ttname"><a href="group__screen.html#ae0951dcafafdc96ac1d8361c672d47e2">ftxui::Box::x_min</a></div><div class="ttdeci">int x_min</div><div class="ttdef"><b>Definition</b> <a href="box_8hpp_source.html#l00017">box.hpp:17</a></div></div>
<div class="ttc" id="agroup__screen_html_structftxui_1_1Box"><div class="ttname"><a href="group__screen.html#structftxui_1_1Box">ftxui::Box</a></div><div class="ttdoc">Box is a structure that represents a rectangular area in a 2D space.</div><div class="ttdef"><b>Definition</b> <a href="box_8hpp_source.html#l00016">box.hpp:16</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="anode__decorator_8hpp_html"><div class="ttname"><a href="node__decorator_8hpp.html">node_decorator.hpp</a></div></div>
<div class="ttc" id="ascreen_8cpp_html_a972107f15f3c0c099eb9fd605e7f51c6"><div class="ttname"><a href="screen_8cpp.html#a972107f15f3c0c099eb9fd605e7f51c6">left</a></div><div class="ttdeci">std::uint8_t left</div><div class="ttdef"><b>Definition</b> <a href="screen_8cpp_source.html#l00129">screen.cpp:129</a></div></div>
<div class="ttc" id="ascreen_8cpp_html_aa4b74e56e675912bbc06504407fc7a46"><div class="ttname"><a href="screen_8cpp.html#aa4b74e56e675912bbc06504407fc7a46">right</a></div><div class="ttdeci">std::uint8_t right</div><div class="ttdef"><b>Definition</b> <a href="screen_8cpp_source.html#l00131">screen.cpp:131</a></div></div>
<div class="ttc" id="aselection_8hpp_html"><div class="ttname"><a href="selection_8hpp.html">selection.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="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_aca3139ef08e710186b498ba0b7d3b1a.html">ftxui</a></li><li class="navelem"><a class="el" href="dir_8b052a5e35b6e4510790af7766fda6cf.html">dom</a></li><li class="navelem"><a class="el" href="src_2ftxui_2dom_2selection_8cpp.html">selection.cpp</a></li>
<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>
Reference in New Issue Copy Permalink