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&#160;<span id="projectnumber">0.11.0</span>
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<a href="screen__interactive_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;stdio.h&gt;</span> <span class="comment">// for fileno, stdin</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 copy, max, min</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;csignal&gt;</span> <span class="comment">// for signal, SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM, SIGWINCH</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;cstdlib&gt;</span> <span class="comment">// for NULL</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="preprocessor">#include &lt;initializer_list&gt;</span> <span class="comment">// for initializer_list</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="preprocessor">#include &lt;iostream&gt;</span> <span class="comment">// for cout, ostream, basic_ostream, operator&lt;&lt;, endl, flush</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="preprocessor">#include &lt;stack&gt;</span> <span class="comment">// for stack</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="preprocessor">#include &lt;thread&gt;</span> <span class="comment">// for thread</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#include &lt;utility&gt;</span> <span class="comment">// for move</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="preprocessor">#include &lt;vector&gt;</span> <span class="comment">// for vector</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="preprocessor">#include &quot;<a class="code" href="captured__mouse_8hpp.html">ftxui/component/captured_mouse.hpp</a>&quot;</span> <span class="comment">// for CapturedMouse, CapturedMouseInterface</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="component__base_8hpp.html">ftxui/component/component_base.hpp</a>&quot;</span> <span class="comment">// for ComponentBase</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="event_8hpp.html">ftxui/component/event.hpp</a>&quot;</span> <span class="comment">// for Event</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</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</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="preprocessor">#include &quot;<a class="code" href="receiver_8hpp.html">ftxui/component/receiver.hpp</a>&quot;</span> <span class="comment">// for ReceiverImpl, MakeReceiver, Sender, SenderImpl, Receiver</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &quot;<a class="code" href="screen__interactive_8hpp.html">ftxui/component/screen_interactive.hpp</a>&quot;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &quot;<a class="code" href="terminal__input__parser_8hpp.html">ftxui/component/terminal_input_parser.hpp</a>&quot;</span> <span class="comment">// for TerminalInputParser</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</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, Render</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</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="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &quot;<a class="code" href="terminal_8hpp.html">ftxui/screen/terminal.hpp</a>&quot;</span> <span class="comment">// for Terminal::Dimensions, Terminal</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><span class="preprocessor">#if defined(_WIN32)</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#define DEFINE_CONSOLEV2_PROPERTIES</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#define WIN32_LEAN_AND_MEAN</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#ifndef NOMINMAX</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#define NOMINMAX</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include &lt;Windows.h&gt;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#ifndef UNICODE</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#error Must be compiled in UNICODE mode</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include &lt;sys/select.h&gt;</span> <span class="comment">// for select, FD_ISSET, FD_SET, FD_ZERO, fd_set</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include &lt;termios.h&gt;</span> <span class="comment">// for tcsetattr, termios, tcgetattr, TCSANOW, cc_t, ECHO, ICANON, VMIN, VTIME</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include &lt;unistd.h&gt;</span> <span class="comment">// for STDIN_FILENO, read</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#endif</span></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><span class="comment">// Quick exit is missing in standard CLang headers</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="preprocessor">#if defined(__clang__) &amp;&amp; defined(__APPLE__)</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#define quick_exit(a) exit(a)</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#endif</span></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="keyword">namespace </span><a class="code hl_namespace" href="namespaceftxui.html">ftxui</a> {</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="keyword">namespace </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><span class="keywordtype">void</span> Flush() {</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// Emscripten doesn&#39;t implement flush. We interpret zero as flush.</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> std::cout &lt;&lt; <span class="charliteral">&#39;\0&#39;</span> &lt;&lt; std::flush;</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><span class="keyword">constexpr</span> <span class="keywordtype">int</span> timeout_milliseconds = 20;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span><span class="keyword">constexpr</span> <span class="keywordtype">int</span> timeout_microseconds = timeout_milliseconds * 1000;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="preprocessor">#if defined(_WIN32)</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="keywordtype">void</span> EventListener(std::atomic&lt;bool&gt;* quit, <a class="code hl_typedef" href="namespaceftxui.html#a8f713c247c551bd416c4697ed9ab871c">Sender&lt;Event&gt;</a> out) {</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">auto</span> console = GetStdHandle(STD_INPUT_HANDLE);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">auto</span> parser = TerminalInputParser(out-&gt;Clone());</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> <span class="keywordflow">while</span> (!*quit) {</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// Throttle ReadConsoleInput by waiting 250ms, this wait function will</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// return if there is input in the console.</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">auto</span> wait_result = WaitForSingleObject(console, timeout_milliseconds);</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">if</span> (wait_result == WAIT_TIMEOUT) {</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> parser.Timeout(timeout_milliseconds);</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> DWORD number_of_events = 0;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">if</span> (!GetNumberOfConsoleInputEvents(console, &amp;number_of_events))</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">if</span> (number_of_events &lt;= 0)</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> std::vector&lt;INPUT_RECORD&gt; records{number_of_events};</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> DWORD number_of_events_read = 0;</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> ReadConsoleInput(console, records.data(), (DWORD)records.size(),</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> &amp;number_of_events_read);</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> records.resize(number_of_events_read);</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="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>&amp; r : records) {</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="keywordflow">switch</span> (r.EventType) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">case</span> KEY_EVENT: {</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">auto</span> key_event = r.Event.KeyEvent;</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// ignore UP key events</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="keywordflow">if</span> (key_event.bKeyDown == FALSE)</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> parser.Add((<span class="keywordtype">char</span>)key_event.uChar.UnicodeChar);</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> } <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keywordflow">case</span> WINDOW_BUFFER_SIZE_EVENT:</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> out-&gt;Send(<a class="code hl_function" href="structftxui_1_1Event.html#afe901de476c29382cc358333f10e5ee7">Event::Special</a>({0}));</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> <span class="keywordflow">case</span> MENU_EVENT:</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">case</span> FOCUS_EVENT:</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="keywordflow">case</span> MOUSE_EVENT:</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">// TODO(mauve): Implement later.</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keywordflow">break</span>;</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> }</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span>}</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><span class="preprocessor">#elif defined(__EMSCRIPTEN__)</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="preprocessor">#include &lt;emscripten.h&gt;</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span><span class="comment">// Read char from the terminal.</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span><span class="keywordtype">void</span> EventListener(std::atomic&lt;bool&gt;* quit, <a class="code hl_typedef" href="namespaceftxui.html#a8f713c247c551bd416c4697ed9ab871c">Sender&lt;Event&gt;</a> out) {</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> (void)timeout_microseconds;</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">auto</span> parser = TerminalInputParser(std::move(out));</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">char</span> c;</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keywordflow">while</span> (!*quit) {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keywordflow">while</span> (read(STDIN_FILENO, &amp;c, 1), c)</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> parser.Add(c);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> emscripten_sleep(1);</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> parser.Timeout(1);</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>}</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><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="preprocessor">#include &lt;sys/time.h&gt;</span> <span class="comment">// for timeval</span></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="keywordtype">int</span> CheckStdinReady(<span class="keywordtype">int</span> usec_timeout) {</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> timeval tv = {0, usec_timeout};</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> fd_set fds;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> FD_ZERO(&amp;fds);</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> FD_SET(STDIN_FILENO, &amp;fds);</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <a class="code hl_function" href="namespaceftxui.html#af0a483ef6e8a00023755c4637a1fcb9d">select</a>(STDIN_FILENO + 1, &amp;fds, NULL, NULL, &amp;tv);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keywordflow">return</span> FD_ISSET(STDIN_FILENO, &amp;fds);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</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><span class="comment">// Read char from the terminal.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="keywordtype">void</span> EventListener(std::atomic&lt;bool&gt;* quit, <a class="code hl_typedef" href="namespaceftxui.html#a8f713c247c551bd416c4697ed9ab871c">Sender&lt;Event&gt;</a> out) {</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <span class="keyword">const</span> <span class="keywordtype">int</span> buffer_size = 100;</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">auto</span> parser = TerminalInputParser(std::move(out));</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">while</span> (!*quit) {</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keywordflow">if</span> (!CheckStdinReady(timeout_microseconds)) {</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> parser.Timeout(timeout_milliseconds);</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> }</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">char</span> buff[buffer_size];</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">int</span> l = read(fileno(stdin), buff, buffer_size);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; l; ++i)</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> parser.Add(buff[i]);</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>}</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="keyword">const</span> std::string CSI = <span class="stringliteral">&quot;\x1b[&quot;</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><span class="comment">// DEC: Digital Equipment Corporation</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="keyword">enum class</span> DECMode {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> kLineWrap = 7,</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> kMouseX10 = 9,</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> kCursor = 25,</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> kMouseVt200 = 1000,</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> kMouseAnyEvent = 1003,</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> kMouseUtf8 = 1005,</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> kMouseSgrExtMode = 1006,</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> kMouseUrxvtMode = 1015,</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> kMouseSgrPixelsMode = 1016,</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> kAlternateScreen = 1049,</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> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span><span class="comment">// Device Status Report (DSR) {</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span><span class="keyword">enum class</span> DSRMode {</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> kCursor = 6,</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span>};</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span><span class="keyword">const</span> std::string Serialize(std::vector&lt;DECMode&gt; parameters) {</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keywordtype">bool</span> first = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> std::string out;</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">for</span> (DECMode parameter : parameters) {</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="keywordflow">if</span> (!first)</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> out += <span class="stringliteral">&quot;;&quot;</span>;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> out += std::to_string(<span class="keywordtype">int</span>(parameter));</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> first = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="keywordflow">return</span> out;</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span>}</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="comment">// DEC Private Mode Set (DECSET)</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="keyword">const</span> std::string Set(std::vector&lt;DECMode&gt; parameters) {</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">return</span> CSI + <span class="stringliteral">&quot;?&quot;</span> + Serialize(parameters) + <span class="stringliteral">&quot;h&quot;</span>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>}</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> </div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span><span class="comment">// DEC Private Mode Reset (DECRST)</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span><span class="keyword">const</span> std::string Reset(std::vector&lt;DECMode&gt; parameters) {</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> CSI + <span class="stringliteral">&quot;?&quot;</span> + Serialize(parameters) + <span class="stringliteral">&quot;l&quot;</span>;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="comment">// Device Status Report (DSR)</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="keyword">const</span> std::string DeviceStatusReport(DSRMode ps) {</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">return</span> CSI + std::to_string(<span class="keywordtype">int</span>(ps)) + <span class="stringliteral">&quot;n&quot;</span>;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="keyword">using </span>SignalHandler = void(<span class="keywordtype">int</span>);</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span>std::stack&lt;std::function&lt;void()&gt;&gt; on_exit_functions;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="keywordtype">void</span> OnExit(<span class="keywordtype">int</span> signal) {</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> (void)signal;</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordflow">while</span> (!on_exit_functions.empty()) {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> on_exit_functions.top()();</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> on_exit_functions.pop();</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> }</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span>}</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><span class="keyword">auto</span> install_signal_handler = [](<span class="keywordtype">int</span> sig, SignalHandler handler) {</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keyword">auto</span> old_signal_handler = std::signal(sig, handler);</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> on_exit_functions.push([&amp;]() { std::signal(sig, old_signal_handler); });</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span>};</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span>std::function&lt;void()&gt; on_resize = [] {};</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="keywordtype">void</span> OnResize(<span class="keywordtype">int</span> <span class="comment">/* signal */</span>) {</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> on_resize();</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>}</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span><span class="keyword">class </span>CapturedMouseImpl : <span class="keyword">public</span> CapturedMouseInterface {</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">public</span>:</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> CapturedMouseImpl(std::function&lt;<span class="keywordtype">void</span>(<span class="keywordtype">void</span>)&gt; callback) : callback_(callback) {}</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> ~CapturedMouseImpl()<span class="keyword"> override </span>{ callback_(); }</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> <span class="keyword">private</span>:</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> std::function&lt;void(<span class="keywordtype">void</span>)&gt; callback_;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>};</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span>} <span class="comment">// namespace</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span>ScreenInteractive::ScreenInteractive(<span class="keywordtype">int</span> dimx,</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordtype">int</span> dimy,</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> Dimension dimension,</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordtype">bool</span> use_alternative_screen)</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> : Screen(dimx, dimy),</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> dimension_(dimension),</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> use_alternative_screen_(use_alternative_screen) {</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> event_receiver_ = MakeReceiver&lt;Event&gt;();</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> event_sender_ = event_receiver_-&gt;MakeSender();</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>}</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span><span class="comment">// static</span></div>
<div class="foldopen" id="foldopen00245" data-start="{" data-end="}">
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a267cfc2d693fa96a82ae74029214d02e"> 245</a></span><a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a> ScreenInteractive::FixedSize(<span class="keywordtype">int</span> dimx, <span class="keywordtype">int</span> dimy) {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a>(dimx, dimy, Dimension::Fixed, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>}</div>
</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><span class="comment">// static</span></div>
<div class="foldopen" id="foldopen00250" data-start="{" data-end="}">
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a53dc5c3030151713857cf1a898d0f897"> 250</a></span><a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a> ScreenInteractive::Fullscreen() {</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a>(0, 0, Dimension::Fullscreen, <span class="keyword">true</span>);</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span>}</div>
</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="comment">// static</span></div>
<div class="foldopen" id="foldopen00255" data-start="{" data-end="}">
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a0b7de0467b4e57ce5f337ba8634d8d13"> 255</a></span><a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a> ScreenInteractive::TerminalOutput() {</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a>(0, 0, Dimension::TerminalOutput, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span>}</div>
</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> </div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span><span class="comment">// static</span></div>
<div class="foldopen" id="foldopen00260" data-start="{" data-end="}">
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a4f458e443ed672c2aea9fdd96531a621"> 260</a></span><a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a> ScreenInteractive::FitComponent() {</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">return</span> <a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a>(0, 0, Dimension::FitComponent, <span class="keyword">false</span>);</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span>}</div>
</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="foldopen" id="foldopen00264" data-start="{" data-end="}">
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a29e75bdaa1d5465518787ec014b2c3bf"> 264</a></span><span class="keywordtype">void</span> ScreenInteractive::PostEvent(<a class="code hl_struct" href="structftxui_1_1Event.html">Event</a> event) {</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">if</span> (!quit_)</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> event_sender_-&gt;Send(event);</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> </div>
<div class="foldopen" id="foldopen00269" data-start="{" data-end="}">
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#aad61519d291dcc216d2ac618618a45a2"> 269</a></span><a class="code hl_typedef" href="namespaceftxui.html#a24b663cb6b0b262055c94d3a03bdd274">CapturedMouse</a> ScreenInteractive::CaptureMouse() {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span> (mouse_captured)</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> mouse_captured = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">return</span> std::make_unique&lt;CapturedMouseImpl&gt;(</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> [<span class="keyword">this</span>] { mouse_captured = <span class="keyword">false</span>; });</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span>}</div>
</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> </div>
<div class="foldopen" id="foldopen00277" data-start="{" data-end="}">
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#a9bd3dbd471fce0038700caaa47dddc1a"> 277</a></span><span class="keywordtype">void</span> ScreenInteractive::Loop(<a class="code hl_typedef" href="namespaceftxui.html#af1479ede01dbf087342534ab4ada11d3">Component</a> component) {</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">static</span> <a class="code hl_class" href="classftxui_1_1ScreenInteractive.html">ScreenInteractive</a>* g_active_screen = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// Suspend previously active screen:</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keywordflow">if</span> (g_active_screen) {</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> std::swap(suspended_screen_, g_active_screen);</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> std::cout &lt;&lt; suspended_screen_-&gt;reset_cursor_position</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> &lt;&lt; suspended_screen_-&gt;ResetPosition(<span class="comment">/*clear=*/</span><span class="keyword">true</span>);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> suspended_screen_-&gt;dimx_ = 0;</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> suspended_screen_-&gt;dimy_ = 0;</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> suspended_screen_-&gt;Uninstall();</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> }</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="comment">// This screen is now active:</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> g_active_screen = <span class="keyword">this</span>;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> g_active_screen-&gt;Install();</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> g_active_screen-&gt;Main(component);</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> g_active_screen-&gt;Uninstall();</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> g_active_screen = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> </div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// Put cursor position at the end of the drawing.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> std::cout &lt;&lt; reset_cursor_position;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="comment">// Restore suspended screen.</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span> (suspended_screen_) {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> std::cout &lt;&lt; ResetPosition(<span class="comment">/*clear=*/</span><span class="keyword">true</span>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> dimx_ = 0;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> dimy_ = 0;</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> std::swap(g_active_screen, suspended_screen_);</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> g_active_screen-&gt;Install();</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> <span class="comment">// On final exit, keep the current drawing and reset cursor position one</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="comment">// line after it.</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> std::cout &lt;&lt; std::endl;</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> }</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span>}</div>
</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> </div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span><span class="keywordtype">void</span> ScreenInteractive::Install() {</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> on_exit_functions.push([<span class="keyword">this</span>] { ExitLoopClosure()(); });</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> <span class="comment">// Install signal handlers to restore the terminal state on exit. The default</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="comment">// signal handlers are restored on exit.</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> signal : {SIGTERM, SIGSEGV, SIGINT, SIGILL, SIGABRT, SIGFPE})</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> install_signal_handler(signal, OnExit);</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="comment">// Save the old terminal configuration and restore it on exit.</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span><span class="preprocessor">#if defined(_WIN32)</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="comment">// Enable VT processing on stdout and stdin</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keyword">auto</span> stdout_handle = GetStdHandle(STD_OUTPUT_HANDLE);</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keyword">auto</span> stdin_handle = GetStdHandle(STD_INPUT_HANDLE);</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> DWORD out_mode = 0;</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> DWORD in_mode = 0;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> GetConsoleMode(stdout_handle, &amp;out_mode);</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> GetConsoleMode(stdin_handle, &amp;in_mode);</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> on_exit_functions.push([=] { SetConsoleMode(stdout_handle, out_mode); });</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> on_exit_functions.push([=] { SetConsoleMode(stdin_handle, in_mode); });</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> </div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="comment">// https://docs.microsoft.com/en-us/windows/console/setconsolemode</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keyword">const</span> <span class="keywordtype">int</span> enable_virtual_terminal_processing = 0x0004;</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keyword">const</span> <span class="keywordtype">int</span> disable_newline_auto_return = 0x0008;</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> out_mode |= enable_virtual_terminal_processing;</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> out_mode |= disable_newline_auto_return;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> </div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> <span class="comment">// https://docs.microsoft.com/en-us/windows/console/setconsolemode</span></div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> <span class="keyword">const</span> <span class="keywordtype">int</span> enable_line_input = 0x0002;</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keyword">const</span> <span class="keywordtype">int</span> enable_echo_input = 0x0004;</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keyword">const</span> <span class="keywordtype">int</span> enable_virtual_terminal_input = 0x0200;</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keyword">const</span> <span class="keywordtype">int</span> enable_window_input = 0x0008;</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> in_mode &amp;= ~enable_echo_input;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> in_mode &amp;= ~enable_line_input;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> in_mode |= enable_virtual_terminal_input;</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> in_mode |= enable_window_input;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> SetConsoleMode(stdin_handle, in_mode);</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> SetConsoleMode(stdout_handle, out_mode);</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> <span class="keyword">struct </span>termios terminal;</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> tcgetattr(STDIN_FILENO, &amp;terminal);</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> on_exit_functions.push([=] { tcsetattr(STDIN_FILENO, TCSANOW, &amp;terminal); });</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> terminal.c_lflag &amp;= ~ICANON; <span class="comment">// Non canonique terminal.</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> terminal.c_lflag &amp;= ~ECHO; <span class="comment">// Do not print after a key press.</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span> terminal.c_cc[VMIN] = 0;</div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span> terminal.c_cc[VTIME] = 0;</div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> <span class="comment">// auto oldf = fcntl(STDIN_FILENO, F_GETFL, 0);</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> <span class="comment">// fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> <span class="comment">// on_exit_functions.push([=] { fcntl(STDIN_FILENO, F_GETFL, oldf); });</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> </div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> tcsetattr(STDIN_FILENO, TCSANOW, &amp;terminal);</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> </div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="comment">// Handle resize.</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> on_resize = [&amp;] { event_sender_-&gt;Send(Event::Special({0})); };</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> install_signal_handler(SIGWINCH, OnResize);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> </div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> <span class="comment">// Commit state:</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keyword">auto</span> flush = [&amp;] {</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> Flush();</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> on_exit_functions.push([] { Flush(); });</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> };</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> <span class="keyword">auto</span> enable = [&amp;](std::vector&lt;DECMode&gt; parameters) {</div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> std::cout &lt;&lt; Set(parameters);</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> on_exit_functions.push([=] { std::cout &lt;&lt; Reset(parameters); });</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> };</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> </div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> <span class="keyword">auto</span> disable = [&amp;](std::vector&lt;DECMode&gt; parameters) {</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> std::cout &lt;&lt; Reset(parameters);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> on_exit_functions.push([=] { std::cout &lt;&lt; Set(parameters); });</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> };</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> <span class="keywordflow">if</span> (use_alternative_screen_) {</div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> enable({</div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span> DECMode::kAlternateScreen,</div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span> });</div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> }</div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> disable({</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> DECMode::kCursor,</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> DECMode::kLineWrap,</div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> });</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> </div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> enable({</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="comment">// DECMode::kMouseVt200,</span></div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> DECMode::kMouseAnyEvent,</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> DECMode::kMouseUtf8,</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> DECMode::kMouseSgrExtMode,</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> });</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> </div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> flush();</div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> quit_ = <span class="keyword">false</span>;</div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> event_listener_ =</div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span> std::thread(&amp;EventListener, &amp;quit_, event_receiver_-&gt;MakeSender());</div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span>}</div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span><span class="keywordtype">void</span> ScreenInteractive::Uninstall() {</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> ExitLoopClosure()();</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> event_listener_.join();</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> OnExit(0);</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span>}</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span><span class="keywordtype">void</span> ScreenInteractive::Main(Component component) {</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="keywordflow">while</span> (!quit_) {</div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span> <span class="keywordflow">if</span> (!event_receiver_-&gt;HasPending()) {</div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span> Draw(component);</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> std::cout &lt;&lt; ToString() &lt;&lt; set_cursor_position;</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> Flush();</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> Clear();</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> }</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> Event event;</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> <span class="keywordflow">if</span> (!event_receiver_-&gt;Receive(&amp;event))</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> </div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> <span class="keywordflow">if</span> (event.is_cursor_reporting()) {</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> cursor_x_ = <span class="keyword">event</span>.cursor_x();</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> cursor_y_ = <span class="keyword">event</span>.cursor_y();</div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span> }</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> <span class="keywordflow">if</span> (event.is_mouse()) {</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> <span class="keyword">event</span>.mouse().x -= cursor_x_;</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keyword">event</span>.mouse().y -= cursor_y_;</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> }</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> </div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> <span class="keyword">event</span>.screen_ = <span class="keyword">this</span>;</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> component-&gt;OnEvent(event);</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> }</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span>}</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span><span class="keywordtype">void</span> ScreenInteractive::Draw(Component component) {</div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span> <span class="keyword">auto</span> document = component-&gt;Render();</div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span> <span class="keywordtype">int</span> dimx = 0;</div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> <span class="keywordtype">int</span> dimy = 0;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> <span class="keywordflow">switch</span> (dimension_) {</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> <span class="keywordflow">case</span> Dimension::Fixed:</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> dimx = dimx_;</div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> dimy = dimy_;</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> <span class="keywordflow">case</span> Dimension::TerminalOutput:</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> document-&gt;ComputeRequirement();</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> dimx = Terminal::Size().dimx;</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> dimy = document-&gt;requirement().min_y;</div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">case</span> Dimension::Fullscreen:</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> dimx = Terminal::Size().dimx;</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> dimy = Terminal::Size().dimy;</div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> <span class="keywordflow">case</span> Dimension::FitComponent:</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> <span class="keyword">auto</span> terminal = Terminal::Size();</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> document-&gt;ComputeRequirement();</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> dimx = std::min(document-&gt;requirement().min_x, terminal.dimx);</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> dimy = std::min(document-&gt;requirement().min_y, terminal.dimy);</div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> }</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> </div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="keywordtype">bool</span> resized = (dimx != dimx_) || (dimy != dimy_);</div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> std::cout &lt;&lt; reset_cursor_position &lt;&lt; ResetPosition(<span class="comment">/*clear=*/</span>resized);</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="comment">// Resize the screen if needed.</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordflow">if</span> (resized) {</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> dimx_ = dimx;</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> dimy_ = dimy;</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> pixels_ = std::vector&lt;std::vector&lt;Pixel&gt;&gt;(dimy, std::vector&lt;Pixel&gt;(dimx));</div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> cursor_.x = dimx_ - 1;</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> cursor_.y = dimy_ - 1;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> }</div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> </div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="comment">// Periodically request the terminal emulator the frame position relative to</span></div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> <span class="comment">// the screen. This is useful for converting mouse position reported in</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="comment">// screen&#39;s coordinates to frame&#39;s coordinates.</span></div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> <span class="keyword">static</span> <span class="keyword">constexpr</span> <span class="keywordtype">int</span> cursor_refresh_rate =</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span><span class="preprocessor">#if defined(FTXUI_MICROSOFT_TERMINAL_FALLBACK)</span></div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="comment">// Microsoft&#39;s terminal suffers from a [bug]. When reporting the cursor</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> <span class="comment">// position, several output sequences are mixed together into garbage.</span></div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> <span class="comment">// This causes FTXUI user to see some &quot;1;1;R&quot; sequences into the Input</span></div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="comment">// component. See [issue]. Solution is to request cursor position less</span></div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> <span class="comment">// often. [bug]: https://github.com/microsoft/terminal/pull/7583 [issue]:</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="comment">// https://github.com/ArthurSonzogni/FTXUI/issues/136</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> 150;</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> 20;</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> <span class="keyword">static</span> <span class="keywordtype">int</span> i = -3;</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> ++i;</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> <span class="keywordflow">if</span> (!use_alternative_screen_ &amp;&amp; (i % cursor_refresh_rate == 0))</div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> std::cout &lt;&lt; DeviceStatusReport(DSRMode::kCursor);</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> </div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> <a class="code hl_function" href="namespaceftxui.html#ad4b8aa9392f56ba41e2b421e046a7d83">Render</a>(*<span class="keyword">this</span>, document);</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> </div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="comment">// Set cursor position for user using tools to insert CJK characters.</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> set_cursor_position = <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> reset_cursor_position = <span class="stringliteral">&quot;&quot;</span>;</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> </div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> <span class="keywordtype">int</span> dx = dimx_ - 1 - cursor_.x;</div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="keywordtype">int</span> dy = dimy_ - 1 - cursor_.y;</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span> </div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span> <span class="keywordflow">if</span> (dx != 0) {</div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> set_cursor_position += <span class="stringliteral">&quot;\x1B[&quot;</span> + std::to_string(dx) + <span class="stringliteral">&quot;D&quot;</span>;</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> reset_cursor_position += <span class="stringliteral">&quot;\x1B[&quot;</span> + std::to_string(dx) + <span class="stringliteral">&quot;C&quot;</span>;</div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span> }</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> <span class="keywordflow">if</span> (dy != 0) {</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> set_cursor_position += <span class="stringliteral">&quot;\x1B[&quot;</span> + std::to_string(dy) + <span class="stringliteral">&quot;A&quot;</span>;</div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> reset_cursor_position += <span class="stringliteral">&quot;\x1B[&quot;</span> + std::to_string(dy) + <span class="stringliteral">&quot;B&quot;</span>;</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> }</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span>}</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> </div>
<div class="foldopen" id="foldopen00527" data-start="{" data-end="}">
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"><a class="line" href="classftxui_1_1ScreenInteractive.html#ac53bd20bb09f2e8b82a3d141f58966a9"> 527</a></span>std::function&lt;void()&gt; ScreenInteractive::ExitLoopClosure() {</div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno"> 528</span> <span class="keywordflow">return</span> [<span class="keyword">this</span>]() {</div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno"> 529</span> quit_ = <span class="keyword">true</span>;</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno"> 530</span> event_sender_.reset();</div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno"> 531</span> };</div>
<div class="line"><a id="l00532" name="l00532"></a><span class="lineno"> 532</span>}</div>
</div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno"> 533</span> </div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno"> 534</span>} <span class="comment">// namespace ftxui.</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno"> 535</span> </div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno"> 536</span><span class="comment">// Copyright 2020 Arthur Sonzogni. All rights reserved.</span></div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno"> 537</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="l00538" name="l00538"></a><span class="lineno"> 538</span><span class="comment">// the LICENSE file.</span></div>
<div class="ttc" id="acaptured__mouse_8hpp_html"><div class="ttname"><a href="captured__mouse_8hpp.html">captured_mouse.hpp</a></div></div>
<div class="ttc" id="aclassftxui_1_1ScreenInteractive_html"><div class="ttname"><a href="classftxui_1_1ScreenInteractive.html">ftxui::ScreenInteractive</a></div><div class="ttdef"><b>Definition</b> <a href="screen__interactive_8hpp_source.html#l00021">screen_interactive.hpp:21</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="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_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_a24b663cb6b0b262055c94d3a03bdd274"><div class="ttname"><a href="namespaceftxui.html#a24b663cb6b0b262055c94d3a03bdd274">ftxui::CapturedMouse</a></div><div class="ttdeci">std::unique_ptr&lt; CapturedMouseInterface &gt; CapturedMouse</div><div class="ttdef"><b>Definition</b> <a href="captured__mouse_8hpp_source.html#l00011">captured_mouse.hpp:11</a></div></div>
<div class="ttc" id="anamespaceftxui_html_a8f713c247c551bd416c4697ed9ab871c"><div class="ttname"><a href="namespaceftxui.html#a8f713c247c551bd416c4697ed9ab871c">ftxui::Sender</a></div><div class="ttdeci">std::unique_ptr&lt; SenderImpl&lt; T &gt; &gt; Sender</div><div class="ttdef"><b>Definition</b> <a href="receiver_8hpp_source.html#l00044">receiver.hpp:44</a></div></div>
<div class="ttc" id="anamespaceftxui_html_ad4b8aa9392f56ba41e2b421e046a7d83"><div class="ttname"><a href="namespaceftxui.html#ad4b8aa9392f56ba41e2b421e046a7d83">ftxui::Render</a></div><div class="ttdeci">void Render(Screen &amp;screen, const Element &amp;node)</div><div class="ttdoc">Display an element on a ftxui::Screen.</div><div class="ttdef"><b>Definition</b> <a href="node_8cpp_source.html#l00034">node.cpp:34</a></div></div>
<div class="ttc" id="anamespaceftxui_html_af0a483ef6e8a00023755c4637a1fcb9d"><div class="ttname"><a href="namespaceftxui.html#af0a483ef6e8a00023755c4637a1fcb9d">ftxui::select</a></div><div class="ttdeci">Element select(Element)</div><div class="ttdef"><b>Definition</b> <a href="frame_8cpp_source.html#l00038">frame.cpp:38</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="anode_8hpp_html"><div class="ttname"><a href="node_8hpp.html">node.hpp</a></div></div>
<div class="ttc" id="areceiver_8hpp_html"><div class="ttname"><a href="receiver_8hpp.html">receiver.hpp</a></div></div>
<div class="ttc" id="arequirement_8hpp_html"><div class="ttname"><a href="requirement_8hpp.html">requirement.hpp</a></div></div>
<div class="ttc" id="ascreen__interactive_8hpp_html"><div class="ttname"><a href="screen__interactive_8hpp.html">screen_interactive.hpp</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html"><div class="ttname"><a href="structftxui_1_1Event.html">ftxui::Event</a></div><div class="ttdoc">Represent an event. It can be key press event, a terminal resize, or more ...</div><div class="ttdef"><b>Definition</b> <a href="event_8hpp_source.html#l00025">event.hpp:25</a></div></div>
<div class="ttc" id="astructftxui_1_1Event_html_afe901de476c29382cc358333f10e5ee7"><div class="ttname"><a href="structftxui_1_1Event.html#afe901de476c29382cc358333f10e5ee7">ftxui::Event::Special</a></div><div class="ttdeci">static Event Special(std::string)</div><div class="ttdef"><b>Definition</b> <a href="event_8cpp_source.html#l00037">event.cpp:37</a></div></div>
<div class="ttc" id="aterminal_8hpp_html"><div class="ttname"><a href="terminal_8hpp.html">terminal.hpp</a></div></div>
<div class="ttc" id="aterminal__input__parser_8hpp_html"><div class="ttname"><a href="terminal__input__parser_8hpp.html">terminal_input_parser.hpp</a></div></div>
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}
const versions = ["main", "v6.1.9", "v6.1.8", "v6.1.7", "v6.1.6", "v6.1.5", "v6.1.4", "v6.1.3", "v6.1.2", "v6.1.1", "v6.1.0", "v6.0.2", "v6.0.1", "v6.0.0", "v5.0.0", "v4.1.1", "v4.1.0", "v4.0.0", "v3.0.0", "v2.0.0", "v0.9", "v0.11", "v0.10"];
const version_paths = {"main": "../../index.html", "v6.1.9": "../v6.1.9/index.html", "v6.1.8": "../v6.1.8/index.html", "v6.1.7": "../v6.1.7/index.html", "v6.1.6": "../v6.1.6/index.html", "v6.1.5": "../v6.1.5/index.html", "v6.1.4": "../v6.1.4/index.html", "v6.1.3": "../v6.1.3/index.html", "v6.1.2": "../v6.1.2/index.html", "v6.1.1": "../v6.1.1/index.html", "v6.1.0": "../v6.1.0/index.html", "v6.0.2": "../v6.0.2/index.html", "v6.0.1": "../v6.0.1/index.html", "v6.0.0": "../v6.0.0/index.html", "v5.0.0": "../v5.0.0/index.html", "v4.1.1": "../v4.1.1/index.html", "v4.1.0": "../v4.1.0/index.html", "v4.0.0": "../v4.0.0/index.html", "v3.0.0": "../v3.0.0/index.html", "v2.0.0": "../v2.0.0/index.html", "v0.9": "../v0.9/index.html", "v0.11": "index.html", "v0.10": "../v0.10/index.html"};
const currentVersion = "v0.11";
// Sort versions: 'main' first, then others numerically descending.
versions.sort((a, b) => {
if (a === 'main') return -1;
if (b === 'main') return 1;
return b.localeCompare(a, undefined, { numeric: true, sensitivity: 'base' });
});
const select = document.createElement('select');
select.onchange = function() {
const selectedVersion = this.value;
// Navigate directly to the pre-calculated relative path.
if (selectedVersion !== currentVersion) {
window.location.href = version_paths[selectedVersion];
}
};
versions.forEach(v => {
const option = document.createElement('option');
option.value = v;
option.textContent = v;
if (v === currentVersion) {
option.selected = true;
}
select.appendChild(option);
});
// Replace the Doxygen project number element with our dropdown.
projectNumber.replaceWith(select);
// Apply some styling to make it look good.
Object.assign(select.style, {
backgroundColor: 'rgba(0, 0, 0, 0.8)',
color: 'white',
border: '1px solid rgba(255, 255, 255, 0.2)',
padding: '5px',
borderRadius: '5px',
fontSize: '14px',
fontFamily: 'inherit',
marginLeft: '10px',
cursor: 'pointer'
});
});
</script>
</body>
</html>
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