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<div id="projectname">FTXUI
&#160;<span id="projectnumber">0.9.0</span>
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<div id="projectbrief">C++ functional terminal UI.</div>
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<a href="container_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="preprocessor">#include &lt;stddef.h&gt;</span> <span class="comment">// for size_t</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;algorithm&gt;</span> <span class="comment">// for max, min</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;memory&gt;</span> <span class="comment">// for make_shared, __shared_ptr_access, allocator, shared_ptr, allocator_traits&lt;&gt;::value_type</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;utility&gt;</span> <span class="comment">// for move</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;vector&gt;</span> <span class="comment">// for vector, __alloc_traits&lt;&gt;::value_type</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &quot;<a class="code" href="component_8hpp.html">ftxui/component/component.hpp</a>&quot;</span> <span class="comment">// for Horizontal, Vertical, Tab</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><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 Components, Component, ComponentBase</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &quot;<a class="code" href="event_8hpp.html">ftxui/component/event.hpp</a>&quot;</span> <span class="comment">// for Event, Event::Tab, Event::TabReverse, Event::ArrowDown, Event::ArrowLeft, Event::ArrowRight, Event::ArrowUp</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="mouse_8hpp.html">ftxui/component/mouse.hpp</a>&quot;</span> <span class="comment">// for Mouse, Mouse::WheelDown, Mouse::WheelUp</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="elements_8hpp.html">ftxui/dom/elements.hpp</a>&quot;</span> <span class="comment">// for text, Elements, operator|, reflect, Element, hbox, vbox</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="box_8hpp.html">ftxui/screen/box.hpp</a>&quot;</span> <span class="comment">// for Box</span></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><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a> {</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">class </span>ContainerBase : <span class="keyword">public</span> ComponentBase {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> ContainerBase(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children, <span class="keywordtype">int</span>* selector)</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> : selector_(selector ? selector : &amp;selected_) {</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> <span class="keywordflow">for</span> (<a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a>&amp; child : children)</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_function" href="classftxui_1_1ComponentBase.html#a21f040bec9104e164bfa6c3ad45be3a1">Add</a>(std::move(child));</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">// Component override.</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> <span class="keywordtype">bool</span> OnEvent(Event event)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="keywordflow">if</span> (event.is_mouse())</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> <span class="keywordflow">return</span> OnMouseEvent(event);</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keywordflow">if</span> (!<a class="code hl_function" href="classftxui_1_1ComponentBase.html#a0cc612fa3d753b456e0f480f44654a9f">Focused</a>())</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</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> <span class="keywordflow">if</span> (ActiveChild() &amp;&amp; ActiveChild()-&gt;OnEvent(event))</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">return</span> EventHandler(event);</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> }</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> ActiveChild()<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size() == 0)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>[*selector_ % <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size()];</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> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordtype">void</span> SetActiveChild(ComponentBase* child)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size(); ++i) {</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>[i].get() == child) {</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> *selector_ = i;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> }</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> }</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> }</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// Handlers</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> EventHandler(Event) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> OnMouseEvent(Event event) {</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keywordflow">return</span> <a class="code hl_function" href="classftxui_1_1ComponentBase.html#ab84629a8fecad2e1cdd426b7ddc72277">ComponentBase::OnEvent</a>(event);</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> }</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> <span class="keywordtype">int</span> selected_ = 0;</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordtype">int</span>* selector_ = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">void</span> MoveSelector(<span class="keywordtype">int</span> dir) {</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = *selector_ + dir; i &gt;= 0 &amp;&amp; i &lt; (int)<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size();</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> i += dir) {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>[i]-&gt;<a class="code hl_function" href="classftxui_1_1ComponentBase.html#a02ccd3db74312f1c66aa8e7931489318">Focusable</a>()) {</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> *selector_ = i;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> }</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">void</span> MoveSelectorWrap(<span class="keywordtype">int</span> dir) {</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> offset = 1; offset &lt; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size(); ++offset) {</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordtype">int</span> i = (*selector_ + offset * dir + <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size()) % <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size();</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>[i]-&gt;<a class="code hl_function" href="classftxui_1_1ComponentBase.html#a02ccd3db74312f1c66aa8e7931489318">Focusable</a>()) {</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> *selector_ = i;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span>;</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> }</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span>};</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="keyword">class </span>VerticalContainer : <span class="keyword">public</span> ContainerBase {</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">using </span>ContainerBase::ContainerBase;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> Render()<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <a class="code hl_typedef" href="namespaceftxui.html#a5d4aa06ca6cc6a72e981bd5386f93f0a">Elements</a> elements;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; it : <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>)</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> elements.push_back(it-&gt;Render());</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">if</span> (elements.size() == 0)</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(<span class="stringliteral">&quot;Empty container&quot;</span>) | <a class="code hl_function" href="namespaceftxui.html#aaff8245861617a3d9e846e99de582a63">reflect</a>(box_);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#afd28058f0ccbbdf34691a85a7cc9b2e3">vbox</a>(std::move(elements)) | <a class="code hl_function" href="namespaceftxui.html#aaff8245861617a3d9e846e99de582a63">reflect</a>(box_);</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> }</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">bool</span> EventHandler(Event event)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordtype">int</span> old_selected = *selector_;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a916bd0ae3c86941b660d9a07980bb0c9">Event::ArrowUp</a> || event == Event::Character(<span class="charliteral">&#39;k&#39;</span>))</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> MoveSelector(-1);</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a9d2a831cf68bf2185a3c56c2e09b2f23">Event::ArrowDown</a> || event == Event::Character(<span class="charliteral">&#39;j&#39;</span>))</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> MoveSelector(+1);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a94bd9090f8bf9eea776c867113afb86c">Event::Tab</a> &amp;&amp; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size())</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> MoveSelectorWrap(+1);</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a00f063998a734c338531f38c5e3d6428">Event::TabReverse</a> &amp;&amp; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size())</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> MoveSelectorWrap(-1);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> *selector_ = std::max(0, std::min(<span class="keywordtype">int</span>(<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size()) - 1, *selector_));</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keywordflow">return</span> old_selected != *selector_;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordtype">bool</span> OnMouseEvent(Event event)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">if</span> (ContainerBase::OnMouseEvent(event))</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keywordflow">if</span> (event.mouse().button != <a class="code hl_enumvalue" href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0ab51f2e2fc1697565b732263f86a976d6">Mouse::WheelUp</a> &amp;&amp;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> event.mouse().button != <a class="code hl_enumvalue" href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0afd8a27c9d7eac3486f6fbd2d608da0db">Mouse::WheelDown</a>) {</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keywordflow">if</span> (!box_.<a class="code hl_function" href="structftxui_1_1Box.html#a7eccafa472b5db862ee66b53971b78c5">Contain</a>(event.mouse().x, event.mouse().y))</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="keywordflow">if</span> (event.mouse().button == <a class="code hl_enumvalue" href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0ab51f2e2fc1697565b732263f86a976d6">Mouse::WheelUp</a>)</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> MoveSelector(-1);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (event.mouse().button == <a class="code hl_enumvalue" href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0afd8a27c9d7eac3486f6fbd2d608da0db">Mouse::WheelDown</a>)</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> MoveSelector(+1);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> *selector_ = std::max(0, std::min(<span class="keywordtype">int</span>(<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size()) - 1, *selector_));</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> </div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> Box box_;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span>};</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="keyword">class </span>HorizontalContainer : <span class="keyword">public</span> ContainerBase {</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">using </span>ContainerBase::ContainerBase;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> Render()<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <a class="code hl_typedef" href="namespaceftxui.html#a5d4aa06ca6cc6a72e981bd5386f93f0a">Elements</a> elements;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span>&amp; it : <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>)</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> elements.push_back(it-&gt;Render());</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordflow">if</span> (elements.size() == 0)</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(<span class="stringliteral">&quot;Empty container&quot;</span>);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#a552ba6d33b3c9bec586b99fba4c243ac">hbox</a>(std::move(elements));</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> }</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="keywordtype">bool</span> EventHandler(Event event)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> <span class="keywordtype">int</span> old_selected = *selector_;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#ae1b59315a513c99ac3095bc42dff0d94">Event::ArrowLeft</a> || event == Event::Character(<span class="charliteral">&#39;h&#39;</span>))</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> MoveSelector(-1);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#afed9a747f55d4564e4f749bea1de4022">Event::ArrowRight</a> || event == Event::Character(<span class="charliteral">&#39;l&#39;</span>))</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> MoveSelector(+1);</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a94bd9090f8bf9eea776c867113afb86c">Event::Tab</a> &amp;&amp; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size())</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> MoveSelectorWrap(+1);</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">if</span> (event == <a class="code hl_variable" href="structftxui_1_1Event.html#a00f063998a734c338531f38c5e3d6428">Event::TabReverse</a> &amp;&amp; <a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size())</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> MoveSelectorWrap(-1);</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> *selector_ = std::max(0, std::min(<span class="keywordtype">int</span>(<a class="code hl_variable" href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">children_</a>.size()) - 1, *selector_));</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">return</span> old_selected != *selector_;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</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><span class="keyword">class </span>TabContainer : <span class="keyword">public</span> ContainerBase {</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="keyword">using </span>ContainerBase::ContainerBase;</div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <a class="code hl_typedef" href="namespaceftxui.html#a2bc31f2d685189e5c61d2293a1f51b4f">Element</a> Render()<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> active_child = ActiveChild();</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keywordflow">if</span> (active_child)</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> active_child-&gt;Render();</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui.html#a75baaa2734ed76a9f478beaafa87ae57">text</a>(<span class="stringliteral">&quot;Empty container&quot;</span>);</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> }</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="keywordtype">bool</span> OnMouseEvent(Event event)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> ActiveChild()-&gt;OnEvent(event);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> }</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span>};</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keyword">namespace </span>Container {</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span><span class="comment"></span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span><span class="comment">/// @brief A list of components, drawn one by one vertically and navigated</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><span class="comment">/// vertically using up/down arrow key or &#39;j&#39;/&#39;k&#39; keys.</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><span class="comment">/// @param children the list of components.</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="comment">/// @ingroup component</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="comment">/// @see ContainerBase</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="comment">///</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span><span class="comment">/// ### Example</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span><span class="comment">///</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="comment">/// ```cpp</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="comment">/// auto container = Container::Vertical({</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span><span class="comment">/// children_1,</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="comment">/// children_2,</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="comment">/// children_3,</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="comment">/// children_4,</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="comment">/// });</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="comment">/// ```</span></div>
<div class="foldopen" id="foldopen00200" data-start="{" data-end="}">
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"><a class="line" href="namespaceftxui_1_1Container.html#a6471e39f5664d059144746c5801d37e6"> 200</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a6471e39f5664d059144746c5801d37e6">Vertical</a>(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children) {</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a6471e39f5664d059144746c5801d37e6">Vertical</a>(std::move(children), <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>}</div>
</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="comment"></span> </div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="comment">/// @brief A list of components, drawn one by one vertically and navigated</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span><span class="comment">/// vertically using up/down arrow key or &#39;j&#39;/&#39;k&#39; keys.</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span><span class="comment">/// This is useful for implementing a Menu for instance.</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span><span class="comment">/// @param children the list of components.</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span><span class="comment">/// @param selector A reference to the index of the selected children.</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span><span class="comment">/// @ingroup component</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span><span class="comment">/// @see ContainerBase</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span><span class="comment">///</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="comment">/// ### Example</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="comment">///</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span><span class="comment">/// ```cpp</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span><span class="comment">/// auto container = Container::Vertical({</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span><span class="comment">/// children_1,</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span><span class="comment">/// children_2,</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="comment">/// children_3,</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="comment">/// children_4,</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="comment">/// });</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span><span class="comment">/// ```</span></div>
<div class="foldopen" id="foldopen00222" data-start="{" data-end="}">
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"><a class="line" href="namespaceftxui_1_1Container.html#a25099e2d2ead8a46c8d9a899982070b7"> 222</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a6471e39f5664d059144746c5801d37e6">Vertical</a>(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children, <span class="keywordtype">int</span>* selector) {</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">return</span> std::make_shared&lt;VerticalContainer&gt;(std::move(children), selector);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span>}</div>
</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="comment"></span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="comment">/// @brief A list of components, drawn one by one horizontally and navigated</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="comment">/// horizontally using left/right arrow key or &#39;h&#39;/&#39;l&#39; keys.</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><span class="comment">/// @param children the list of components.</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span><span class="comment">/// @ingroup component</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="comment">/// @see ContainerBase</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span><span class="comment">///</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="comment">/// ### Example</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span><span class="comment">///</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="comment">/// ```cpp</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="comment">/// int selected_children = 2;</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="comment">/// auto container = Container::Horizontal({</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span><span class="comment">/// children_1,</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span><span class="comment">/// children_2,</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span><span class="comment">/// children_3,</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><span class="comment">/// children_4,</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span><span class="comment">/// }, &amp;selected_children);</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="comment">/// ```</span></div>
<div class="foldopen" id="foldopen00243" data-start="{" data-end="}">
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"><a class="line" href="namespaceftxui_1_1Container.html#a01563bae9454fe64c0b29b0eb3755e68"> 243</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a01563bae9454fe64c0b29b0eb3755e68">Horizontal</a>(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children) {</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a01563bae9454fe64c0b29b0eb3755e68">Horizontal</a>(std::move(children), <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>}</div>
</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span><span class="comment"></span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span><span class="comment">/// @brief A list of components, drawn one by one horizontally and navigated</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span><span class="comment">/// horizontally using left/right arrow key or &#39;h&#39;/&#39;l&#39; keys.</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><span class="comment">/// @param children the list of components.</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span><span class="comment">/// @param selector A reference to the index of the selected children.</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="comment">/// @ingroup component</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span><span class="comment">/// @see ContainerBase</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span><span class="comment">///</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="comment">/// ### Example</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span><span class="comment">///</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span><span class="comment">/// ```cpp</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="comment">/// int selected_children = 2;</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="comment">/// auto container = Container::Horizontal({</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="comment">/// children_1,</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span><span class="comment">/// children_2,</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span><span class="comment">/// children_3,</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span><span class="comment">/// children_4,</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span><span class="comment">/// }, selected_children);</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="comment">/// ```</span></div>
<div class="foldopen" id="foldopen00265" data-start="{" data-end="}">
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"><a class="line" href="namespaceftxui_1_1Container.html#a337564f8a13c98222025d8fe7e47df4c"> 265</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> <a class="code hl_function" href="namespaceftxui_1_1Container.html#a01563bae9454fe64c0b29b0eb3755e68">Horizontal</a>(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children, <span class="keywordtype">int</span>* selector) {</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">return</span> std::make_shared&lt;HorizontalContainer&gt;(std::move(children), selector);</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span>}</div>
</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span><span class="comment"></span> </div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span><span class="comment">/// @brief A list of components, where only one is drawn and interacted with at</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span><span class="comment">/// a time. The |selector| gives the index of the selected component. This is</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span><span class="comment">/// useful to implement tabs.</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span><span class="comment">/// @param children The list of components.</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span><span class="comment">/// @param selector The index of the drawn children.</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span><span class="comment">/// @ingroup component</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span><span class="comment">/// @see ContainerBase</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span><span class="comment">///</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span><span class="comment">/// ### Example</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span><span class="comment">///</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span><span class="comment">/// ```cpp</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span><span class="comment">/// int tab_drawn = 0;</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span><span class="comment">/// auto container = Container::Tab({</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span><span class="comment">/// children_1,</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span><span class="comment">/// children_2,</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span><span class="comment">/// children_3,</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span><span class="comment">/// children_4,</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span><span class="comment">/// }, &amp;tab_drawn);</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span><span class="comment">/// ```</span></div>
<div class="foldopen" id="foldopen00288" data-start="{" data-end="}">
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"><a class="line" href="namespaceftxui_1_1Container.html#aea9fe244eeeb420276bcc5760b46953d"> 288</a></span><span class="comment"></span><a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> <a class="code hl_function" href="namespaceftxui_1_1Container.html#aea9fe244eeeb420276bcc5760b46953d">Tab</a>(<a class="code hl_typedef" href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">Components</a> children, <span class="keywordtype">int</span>* selector) {</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">return</span> std::make_shared&lt;TabContainer&gt;(std::move(children), selector);</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span>}</div>
</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span>} <span class="comment">// namespace Container</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span>} <span class="comment">// namespace ftxui</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</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="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="comment">// the LICENSE file.</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="aclassftxui_1_1ComponentBase_html_a02ccd3db74312f1c66aa8e7931489318"><div class="ttname"><a href="classftxui_1_1ComponentBase.html#a02ccd3db74312f1c66aa8e7931489318">ftxui::ComponentBase::Focusable</a></div><div class="ttdeci">virtual bool Focusable() const</div><div class="ttdoc">Return true when the component contains focusable elements. The non focusable Components will be skip...</div><div class="ttdef"><b>Definition</b> <a href="component_8cpp_source.html#l00114">component.cpp:114</a></div></div>
<div class="ttc" id="aclassftxui_1_1ComponentBase_html_a0cc612fa3d753b456e0f480f44654a9f"><div class="ttname"><a href="classftxui_1_1ComponentBase.html#a0cc612fa3d753b456e0f480f44654a9f">ftxui::ComponentBase::Focused</a></div><div class="ttdeci">bool Focused() const</div><div class="ttdoc">Returns if the elements if focused by the user. True when the ComponentBase is focused by the user....</div><div class="ttdef"><b>Definition</b> <a href="component_8cpp_source.html#l00132">component.cpp:132</a></div></div>
<div class="ttc" id="aclassftxui_1_1ComponentBase_html_a21f040bec9104e164bfa6c3ad45be3a1"><div class="ttname"><a href="classftxui_1_1ComponentBase.html#a21f040bec9104e164bfa6c3ad45be3a1">ftxui::ComponentBase::Add</a></div><div class="ttdeci">void Add(Component children)</div><div class="ttdoc">Add a child. @param child The child to be attached.</div><div class="ttdef"><b>Definition</b> <a href="component_8cpp_source.html#l00049">component.cpp:49</a></div></div>
<div class="ttc" id="aclassftxui_1_1ComponentBase_html_a22b4fa4d6aa4c9c2eef275cd25aa8ab9"><div class="ttname"><a href="classftxui_1_1ComponentBase.html#a22b4fa4d6aa4c9c2eef275cd25aa8ab9">ftxui::ComponentBase::children_</a></div><div class="ttdeci">Components children_</div><div class="ttdef"><b>Definition</b> <a href="component__base_8hpp_source.html#l00074">component_base.hpp:74</a></div></div>
<div class="ttc" id="aclassftxui_1_1ComponentBase_html_ab84629a8fecad2e1cdd426b7ddc72277"><div class="ttname"><a href="classftxui_1_1ComponentBase.html#ab84629a8fecad2e1cdd426b7ddc72277">ftxui::ComponentBase::OnEvent</a></div><div class="ttdeci">virtual bool OnEvent(Event)</div><div class="ttdoc">Called in response to an event.</div><div class="ttdef"><b>Definition</b> <a href="component_8cpp_source.html#l00095">component.cpp:95</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="amouse_8hpp_html"><div class="ttname"><a href="mouse_8hpp.html">mouse.hpp</a></div></div>
<div class="ttc" id="anamespaceftxui_1_1Container_html_a01563bae9454fe64c0b29b0eb3755e68"><div class="ttname"><a href="namespaceftxui_1_1Container.html#a01563bae9454fe64c0b29b0eb3755e68">ftxui::Container::Horizontal</a></div><div class="ttdeci">Component Horizontal(Components children)</div><div class="ttdoc">A list of components, drawn one by one horizontally and navigated horizontally using left/right arrow...</div><div class="ttdef"><b>Definition</b> <a href="#l00243">container.cpp:243</a></div></div>
<div class="ttc" id="anamespaceftxui_1_1Container_html_a6471e39f5664d059144746c5801d37e6"><div class="ttname"><a href="namespaceftxui_1_1Container.html#a6471e39f5664d059144746c5801d37e6">ftxui::Container::Vertical</a></div><div class="ttdeci">Component Vertical(Components children)</div><div class="ttdoc">A list of components, drawn one by one vertically and navigated vertically using up/down arrow key or...</div><div class="ttdef"><b>Definition</b> <a href="#l00200">container.cpp:200</a></div></div>
<div class="ttc" id="anamespaceftxui_1_1Container_html_aea9fe244eeeb420276bcc5760b46953d"><div class="ttname"><a href="namespaceftxui_1_1Container.html#aea9fe244eeeb420276bcc5760b46953d">ftxui::Container::Tab</a></div><div class="ttdeci">Component Tab(Components children, int *selector)</div><div class="ttdoc">A list of components, where only one is drawn and interacted with at a time. The |selector| gives the...</div><div class="ttdef"><b>Definition</b> <a href="#l00288">container.cpp:288</a></div></div>
<div class="ttc" id="anamespaceftxui_html"><div class="ttname"><a href="namespaceftxui.html">ftxui</a></div><div class="ttdef"><b>Definition</b> <a href="captured__mouse_8hpp_source.html#l00006">captured_mouse.hpp:6</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#l00015">elements.hpp:15</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a3d4ccad0c8a07d5b0cb4b2e690ffc90c"><div class="ttname"><a href="namespaceftxui.html#a3d4ccad0c8a07d5b0cb4b2e690ffc90c">ftxui::Components</a></div><div class="ttdeci">std::vector&lt; Component &gt; Components</div><div class="ttdef"><b>Definition</b> <a href="component__base_8hpp_source.html#l00018">component_base.hpp:18</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a552ba6d33b3c9bec586b99fba4c243ac"><div class="ttname"><a href="namespaceftxui.html#a552ba6d33b3c9bec586b99fba4c243ac">ftxui::hbox</a></div><div class="ttdeci">Element hbox(Elements)</div><div class="ttdoc">A container displaying elements horizontally one by one.</div><div class="ttdef"><b>Definition</b> <a href="hbox_8cpp_source.html#l00076">hbox.cpp:76</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#l00016">elements.hpp:16</a></div></div>
<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#l00106">text.cpp:106</a></div></div>
<div class="ttc" id="anamespaceftxui_html_aaff8245861617a3d9e846e99de582a63"><div class="ttname"><a href="namespaceftxui.html#aaff8245861617a3d9e846e99de582a63">ftxui::reflect</a></div><div class="ttdeci">Decorator reflect(Box &amp;box)</div><div class="ttdef"><b>Definition</b> <a href="reflect_8cpp_source.html#l00039">reflect.cpp:39</a></div></div>
<div class="ttc" id="anamespaceftxui_html_af1479ede01dbf087342534ab4ada11d3"><div class="ttname"><a href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">ftxui::Component</a></div><div class="ttdeci">std::shared_ptr&lt; ComponentBase &gt; Component</div><div class="ttdef"><b>Definition</b> <a href="component__base_8hpp_source.html#l00017">component_base.hpp:17</a></div></div>
<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#l00077">vbox.cpp:77</a></div></div>
<div class="ttc" id="astructftxui_1_1Box_html_a7eccafa472b5db862ee66b53971b78c5"><div class="ttname"><a href="structftxui_1_1Box.html#a7eccafa472b5db862ee66b53971b78c5">ftxui::Box::Contain</a></div><div class="ttdeci">bool Contain(int x, int y)</div><div class="ttdef"><b>Definition</b> <a href="box_8cpp_source.html#l00020">box.cpp:20</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_a00f063998a734c338531f38c5e3d6428"><div class="ttname"><a href="structftxui_1_1Event.html#a00f063998a734c338531f38c5e3d6428">ftxui::Event::TabReverse</a></div><div class="ttdeci">static const Event TabReverse</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00046">event.hpp:46</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_a916bd0ae3c86941b660d9a07980bb0c9"><div class="ttname"><a href="structftxui_1_1Event.html#a916bd0ae3c86941b660d9a07980bb0c9">ftxui::Event::ArrowUp</a></div><div class="ttdeci">static const Event ArrowUp</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00037">event.hpp:37</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_a94bd9090f8bf9eea776c867113afb86c"><div class="ttname"><a href="structftxui_1_1Event.html#a94bd9090f8bf9eea776c867113afb86c">ftxui::Event::Tab</a></div><div class="ttdeci">static const Event Tab</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00045">event.hpp:45</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_a9d2a831cf68bf2185a3c56c2e09b2f23"><div class="ttname"><a href="structftxui_1_1Event.html#a9d2a831cf68bf2185a3c56c2e09b2f23">ftxui::Event::ArrowDown</a></div><div class="ttdeci">static const Event ArrowDown</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00038">event.hpp:38</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_ae1b59315a513c99ac3095bc42dff0d94"><div class="ttname"><a href="structftxui_1_1Event.html#ae1b59315a513c99ac3095bc42dff0d94">ftxui::Event::ArrowLeft</a></div><div class="ttdeci">static const Event ArrowLeft</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00035">event.hpp:35</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_afed9a747f55d4564e4f749bea1de4022"><div class="ttname"><a href="structftxui_1_1Event.html#afed9a747f55d4564e4f749bea1de4022">ftxui::Event::ArrowRight</a></div><div class="ttdeci">static const Event ArrowRight</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00036">event.hpp:36</a></div></div>
<div class="ttc" id="astructftxui_1_1Mouse_html_a03bfec859eac87be20f8952c1eb89de0ab51f2e2fc1697565b732263f86a976d6"><div class="ttname"><a href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0ab51f2e2fc1697565b732263f86a976d6">ftxui::Mouse::WheelUp</a></div><div class="ttdeci">@ WheelUp</div><div class="ttdef"><b>Definition</b> <a href="mouse_8hpp_source.html#l00014">mouse.hpp:14</a></div></div>
<div class="ttc" id="astructftxui_1_1Mouse_html_a03bfec859eac87be20f8952c1eb89de0afd8a27c9d7eac3486f6fbd2d608da0db"><div class="ttname"><a href="structftxui_1_1Mouse.html#a03bfec859eac87be20f8952c1eb89de0afd8a27c9d7eac3486f6fbd2d608da0db">ftxui::Mouse::WheelDown</a></div><div class="ttdeci">@ WheelDown</div><div class="ttdef"><b>Definition</b> <a href="mouse_8hpp_source.html#l00015">mouse.hpp:15</a></div></div>
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