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 <span id="projectnumber">2.44.1</span>
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<div class="title">NCBusyIndicator.cc</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (C) 2000-2012 Novell, Inc</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> published by the Free Software Foundation; either version 2.1 of the</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> License, or (at your option) version 3.0 of the License. This library</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> is distributed in the hope that it will be useful, but WITHOUT ANY</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> License for more details. You should have received a copy of the GNU</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> Lesser General Public License along with this library; if not, write</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> to the Free Software Foundation, Inc., 51 Franklin Street, Fifth</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/*-/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> File: NCBusyIndicator.cc</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> Author: Thomas Goettlicher <tgoettlicher@suse.de></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> Maintainer: Thomas Goettlicher <tgoettlicher@suse.de></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/-*/</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define YUILogComponent "ncurses"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"></span><span class="preprocessor">#include <yui/YUILog.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "NCurses.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "NCBusyIndicator.h"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <signal.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <sys/time.h></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#define REPAINT_INTERVAL 100 // in ms</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span><span class="preprocessor">#define STEP_SIZE .05</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> Some words about the timer stuff:</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> With each SIG_ALRM signal _timer_progress gets incremented by _timer_divisor.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> When a tick is received [=setAlive(true) is called] _timer_progress is std::set to 0.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> If _timer_progress is larger than 1 the widget goes to stalled state.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> How the timer works:</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> NCBusyIndicatorHandlerWrapper is registered as signal handler for SIG_ALRM</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> signal and calls NCBusyIndicatorObject->handler(). This wrapper is needed</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> because a member function cannot be registered as signal handler.</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> LIMITATIONS:</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> i) Only one BusyIndicator widget works at the same time, because the</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> wrapper function only calls the handler() member function of the last</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> created instance of BusyIndicator.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> ii) The UserInput widget cannot be used, because UserInput is a blocking</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> function. When UserInput waits for UserInput no SIG_ALRM signal is sent</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> and therefore the BusyIndicator widget doesn't show progress.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> Please use the TimeoutUserInput widget in a loop instead.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">*/</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">struct </span>itimerval interval;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <a class="code" href="classNCBusyIndicator.html">NCBusyIndicator</a>* NCBusyIndicatorObject;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor"></span><span class="keywordtype">void</span> NCBusyIndicatorHandlerWrapper( <span class="keywordtype">int</span> sig_num );</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> NCBusyIndicator::NCBusyIndicator( YWidget * parent,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">const</span> std::string & nlabel,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> timeout )</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  : YBusyIndicator( parent, nlabel, timeout )</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  , <a class="code" href="classNCWidget.html">NCWidget</a>( parent )</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  , _label( nlabel )</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  , _timeout( timeout )</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  , _lwin( 0 )</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  , _twin( 0 )</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  , _position( .5 )</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  , _rightwards( true )</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  , _alive( true )</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  yuiDebug() << std::endl;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> ( timeout <= 0 )</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  timeout = 1;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  setLabel( nlabel );</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  hotlabel = &_label;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  wstate = NC::WSdumb;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  NCBusyIndicatorObject = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  _timer_divisor = ( double ) REPAINT_INTERVAL / ( <span class="keywordtype">double</span> ) timeout;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  _timer_progress = 0;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"></span> signal( SIGALRM, NCBusyIndicatorHandlerWrapper );</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  interval.it_value.tv_sec = 0;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  interval.it_value.tv_usec = REPAINT_INTERVAL * 1000;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  setitimer( ITIMER_REAL, &interval, NULL );</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"></span>}</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> NCBusyIndicator::~NCBusyIndicator()</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  NCBusyIndicatorObject = NULL;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">delete</span> _lwin;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">delete</span> _twin;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  yuiDebug() << std::endl;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keywordtype">int</span> NCBusyIndicator::preferredWidth()</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> wGetDefsze().W;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keywordtype">int</span> NCBusyIndicator::preferredHeight()</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">return</span> wGetDefsze().H;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="classNCBusyIndicator.html#a1077023d1e905e3fadcaadc6f9fb3d16"> 122</a></span> <span class="keywordtype">void</span> <a class="code" href="classNCBusyIndicator.html#a1077023d1e905e3fadcaadc6f9fb3d16">NCBusyIndicator::setEnabled</a>( <span class="keywordtype">bool</span> do_bv )</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <a class="code" href="classNCWidget.html#a312e0009a3a5e2fa83aa60a6c787edb6">NCWidget::setEnabled</a>( do_bv );</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  YBusyIndicator::setEnabled( do_bv );</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> }</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keywordtype">void</span> NCBusyIndicator::setSize( <span class="keywordtype">int</span> newwidth, <span class="keywordtype">int</span> newheight )</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  wRelocate( <a class="code" href="classwpos.html">wpos</a>( 0 ), <a class="code" href="classwsze.html">wsze</a>( newheight, newwidth ) );</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="keywordtype">void</span> NCBusyIndicator::setDefsze()</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  defsze = <a class="code" href="classwsze.html">wsze</a>( _label.height() + 1,</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  _label.width() < 5 ? 5 : _label.width() );</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keywordtype">void</span> NCBusyIndicator::wCreate( <span class="keyword">const</span> <a class="code" href="classwrect.html">wrect</a> & newrect )</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  NCWidget::wCreate( newrect );</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> ( !win )</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classwrect.html">wrect</a> lrect( 0, wsze::min( newrect.Sze,</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classwsze.html">wsze</a>( _label.height(), newrect.Sze.W ) ) );</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="classwrect.html">wrect</a> trect( 0, <a class="code" href="classwsze.html">wsze</a>( 1, newrect.Sze.W ) );</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> ( lrect.Sze.H == newrect.Sze.H )</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  lrect.Sze.H -= 1;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  trect.Pos.L = lrect.Sze.H > 0 ? lrect.Sze.H : 0;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  _lwin = <span class="keyword">new</span> <a class="code" href="classNCursesWindow.html" title="C++ class for windows.">NCursesWindow</a>( *win,</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  lrect.Sze.H, lrect.Sze.W,</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  lrect.Pos.L, lrect.Pos.C,</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="charliteral">'r'</span> );</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  _twin = <span class="keyword">new</span> <a class="code" href="classNCursesWindow.html" title="C++ class for windows.">NCursesWindow</a>( *win,</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  trect.Sze.H, trect.Sze.W,</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  trect.Pos.L, trect.Pos.C,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="charliteral">'r'</span> );</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">void</span> NCBusyIndicator::wDelete()</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">delete</span> _lwin;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">delete</span> _twin;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  _lwin = 0;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  _twin = 0;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  NCWidget::wDelete();</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keywordtype">void</span> NCBusyIndicator::setLabel( <span class="keyword">const</span> std::string & nlabel )</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  _label = <a class="code" href="classNCstring.html">NCstring</a>( nlabel );</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  setDefsze();</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  YBusyIndicator::setLabel( nlabel );</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  Redraw();</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="comment"></span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> * handler, called by NCBusyIndicatorHandlerWrapper</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="classNCBusyIndicator.html#ae2caaf9c13d3a0156f9f8f8c9e43476a"> 193</a></span> <span class="keywordtype">void</span> <a class="code" href="classNCBusyIndicator.html#ae2caaf9c13d3a0156f9f8f8c9e43476a">NCBusyIndicator::handler</a>( <span class="keywordtype">int</span> sig_num )</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  _timer_progress += _timer_divisor;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> ( _timer_progress >= 1 )</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  _timer_progress = 0;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  _alive = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  update();</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"></span> interval.it_value.tv_sec = 0;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  interval.it_value.tv_usec = REPAINT_INTERVAL * 1000;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  setitimer( ITIMER_REAL, &interval, NULL );</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> }</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="comment"></span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * static wrapper for member function handler</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#if 0</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor"></span><span class="keywordtype">void</span> NCBusyIndicatorHandlerWrapper( <span class="keywordtype">int</span> sig_num )</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  signal( SIGALRM, SIG_IGN );</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  NCBusyIndicatorObject-><a class="code" href="classNCBusyIndicator.html#ae2caaf9c13d3a0156f9f8f8c9e43476a">handler</a>( sig_num );</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  signal( SIGALRM, NCBusyIndicatorHandlerWrapper );</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> }</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"></span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * Calculate position of moving bar</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keywordtype">void</span> NCBusyIndicator::update()</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> ( !_alive )</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> ( _position > 1.0 || _position < 0 )</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  _rightwards = !_rightwards;</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> ( _rightwards )</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  _position += STEP_SIZE;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  _position -= STEP_SIZE;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  Redraw();</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  refresh();</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> }</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"></span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * std::set alive or stalled</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"><a class="code" href="classNCBusyIndicator.html#ae908ec988d058ffc876fa4ac973e0d2c"> 252</a></span> <span class="keywordtype">void</span> <a class="code" href="classNCBusyIndicator.html#ae908ec988d058ffc876fa4ac973e0d2c">NCBusyIndicator::setAlive</a>( <span class="keywordtype">bool</span> newAlive )</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> {</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  _alive = newAlive;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keywordflow">if</span> ( newAlive )</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  _timer_progress = 0;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> }</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="keywordtype">void</span> NCBusyIndicator::setTimeout( <span class="keywordtype">int</span> newTimeout )</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">if</span> ( newTimeout < 1 )</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  newTimeout = 1;</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  _timeout = newTimeout;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  YBusyIndicator::setTimeout( newTimeout );</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  _timer_divisor = (double) REPAINT_INTERVAL / (<span class="keywordtype">double</span>) _timeout;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"></span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * draw busy indicator widget</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"><a class="code" href="classNCBusyIndicator.html#a02c6ad12bff650dc64834a611f34b3ef"> 275</a></span> <span class="keywordtype">void</span> <a class="code" href="classNCBusyIndicator.html#a02c6ad12bff650dc64834a611f34b3ef">NCBusyIndicator::wRedraw</a>()</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> {</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> ( !win )</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// label</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  chtype bg = wStyle().dumb.text;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  _lwin-><a class="code" href="classNCursesWindow.html#a6616e03ccc45c816a318358992c1a297">bkgdset</a>( bg );</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  _lwin-><a class="code" href="classNCursesWindow.html#a9707af32e067d8ec94c33ef66f1d293a">clear</a>();</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  _label.drawAt( *_lwin, bg, bg );</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  tUpdate();</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"></span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * Draw busy bar</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> **/</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="keywordtype">void</span> NCBusyIndicator::tUpdate()</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> ( !win )</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordtype">int</span> cp = ( int )(( _twin-><a class="code" href="classNCursesWindow.html#acb9c877669158b9a70de9064c1f53bd7">maxx</a>() ) * _position );</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keyword">const</span> <a class="code" href="structNCstyle_1_1StProgbar.html">NCstyle::StProgbar</a> & style( wStyle().progbar );</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  _twin-><a class="code" href="classNCursesWindow.html#a6616e03ccc45c816a318358992c1a297">bkgdset</a>( style.nonbar.chattr );</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  _twin-><a class="code" href="classNCursesWindow.html#a9707af32e067d8ec94c33ef66f1d293a">clear</a>();</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> ( cp <= _twin->maxx() )</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  _twin-><a class="code" href="classNCursesWindow.html#a6616e03ccc45c816a318358992c1a297">bkgdset</a>( NCattribute::getNonChar( style.bar.chattr ) );</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  _twin-><a class="code" href="classNCursesWindow.html#a46431a0d98b988b168854501cc2275d0">move</a>( 0, cp );</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  _twin-><a class="code" href="classNCursesWindow.html#a62234e53b0a5e24a8f3073bcbf31e96e">addch</a>( NCattribute::getChar( style.bar.chattr ) );</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  }</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> }</div>
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