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<a href="src_2ftxui_2dom_2dbox_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 2020 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><span class="preprocessor">#include &lt;algorithm&gt;</span> <span class="comment">// for max</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;cstddef&gt;</span> <span class="comment">// for size_t</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;memory&gt;</span> <span class="comment">// for __shared_ptr_access, shared_ptr, make_shared</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;utility&gt;</span> <span class="comment">// for move</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;vector&gt;</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="elements_8hpp.html">ftxui/dom/elements.hpp</a>&quot;</span> <span class="comment">// for Element, Elements, dbox</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &quot;<a class="code" href="node_8hpp.html">ftxui/dom/node.hpp</a>&quot;</span> <span class="comment">// for Node, Elements</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &quot;<a class="code" href="requirement_8hpp.html">ftxui/dom/requirement.hpp</a>&quot;</span> <span class="comment">// for Requirement</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="preprocessor">#include &quot;<a class="code" href="box_8hpp.html">ftxui/screen/box.hpp</a>&quot;</span> <span class="comment">// for Box</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#include &quot;<a class="code" href="pixel_8hpp.html">ftxui/screen/pixel.hpp</a>&quot;</span> <span class="comment">// for Pixel</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="keyword">namespace </span>{</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keyword">class </span>DBox : <span class="keyword">public</span> Node {</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">explicit</span> DBox(<a class="code hl_typedef" href="namespaceftxui.html#a5d4aa06ca6cc6a72e981bd5386f93f0a">Elements</a> children) : Node(std::move(children)) {}</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> <span class="keywordtype">void</span> ComputeRequirement()<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> requirement_ = Requirement{};</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; child : children_) {</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> child-&gt;ComputeRequirement();</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> <span class="comment">// Propagate the focused requirement.</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">if</span> (requirement_.focused.Prefer(child-&gt;requirement().focused)) {</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> requirement_.focused = child-&gt;requirement().focused;</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> }</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Extend the min_x and min_y to contain all the children</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> requirement_.min_x =</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> std::max(requirement_.min_x, child-&gt;requirement().min_x);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> requirement_.min_y =</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::max(requirement_.min_y, child-&gt;requirement().min_y);</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> }</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordtype">void</span> SetBox(Box box)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_function" href="group__dom.html#a2ed318aaadb07efc50e76fce1ccf9637">Node::SetBox</a>(box);</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; child : children_) {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> child-&gt;SetBox(box);</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> }</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span>};</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment"></span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">/// @brief Stack several element on top of each other.</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">/// @param children_ The input element.</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">/// @return The right aligned element.</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="comment">/// @ingroup dom</span></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="group__dom.html#ga901ab1b6b2e0e8c295552168ab206441"> 55</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> <a class="code hl_function" href="group__dom.html#ga901ab1b6b2e0e8c295552168ab206441">dbox</a>(<a class="code hl_typedef" href="namespaceftxui.html#a5d4aa06ca6cc6a72e981bd5386f93f0a">Elements</a> children_) {</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span> std::make_shared&lt;DBox&gt;(std::move(children_));</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span>}</div>
</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>} <span class="comment">// namespace ftxui</span></div>
<div class="ttc" id="abox_8hpp_html"><div class="ttname"><a href="box_8hpp.html">box.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="agroup__dom_html_a2ed318aaadb07efc50e76fce1ccf9637"><div class="ttname"><a href="group__dom.html#a2ed318aaadb07efc50e76fce1ccf9637">ftxui::Node::SetBox</a></div><div class="ttdeci">virtual void SetBox(Box box)</div><div class="ttdoc">Assign a position and a dimension to an element for drawing.</div><div class="ttdef"><b>Definition</b> <a href="node_8cpp_source.html#l00041">node.cpp:41</a></div></div>
<div class="ttc" id="agroup__dom_html_ga901ab1b6b2e0e8c295552168ab206441"><div class="ttname"><a href="group__dom.html#ga901ab1b6b2e0e8c295552168ab206441">ftxui::dbox</a></div><div class="ttdeci">Element dbox(Elements)</div><div class="ttdoc">Stack several element on top of each other.</div><div class="ttdef"><b>Definition</b> <a href="#l00055">src/ftxui/dom/dbox.cpp:55</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="anamespaceftxui_html_a2bc31f2d685189e5c61d2293a1f51b4f"><div class="ttname"><a href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">ftxui::Element</a></div><div class="ttdeci">std::shared_ptr&lt; Node &gt; Element</div><div class="ttdef"><b>Definition</b> <a href="elements_8hpp_source.html#l00022">elements.hpp:22</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a5d4aa06ca6cc6a72e981bd5386f93f0a"><div class="ttname"><a href="namespaceftxui.html#a5d4aa06ca6cc6a72e981bd5386f93f0a">ftxui::Elements</a></div><div class="ttdeci">std::vector&lt; Element &gt; Elements</div><div class="ttdef"><b>Definition</b> <a href="elements_8hpp_source.html#l00023">elements.hpp:23</a></div></div>
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