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 <span id="projectnumber">2.43.5</span>
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<div class="title">YQBarGraph.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: YQBarGraph.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: Stefan Hundhammer <sh@suse.de></span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></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> </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 "qt-ui"</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> </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <algorithm></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <qpainter.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <qnamespace.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "utf8.h"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "YQUI.h"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "YQBarGraph.h"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define YQBarGraphOuterMargin YQWidgetMargin</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"></span><span class="preprocessor">#define YQBarGraphLabelHorizontalMargin 1</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="preprocessor">#define YQBarGraphLabelVerticalMargin 2</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor"></span><span class="preprocessor">#define YQBarGraphMinWidth 80</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#define YQBarGraphMinHeight 30</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">using</span> std::max;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// a helper function, takes std::pair as a param and compares</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// its key (int) to the second param - true if less</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> in_segment (pair <int, QString> seg, <span class="keywordtype">int</span> cmp)</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">return</span> seg.first < cmp;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#ab9d3d2c2926443c620494e271da8eba6"> 53</a></span> <a class="code" href="classYQBarGraph.html#ab9d3d2c2926443c620494e271da8eba6">YQBarGraph::YQBarGraph</a>( YWidget * parent )</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  : QFrame( (QWidget *) parent->widgetRep() )</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  , YBarGraph( parent )</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  setWidgetRep( <span class="keyword">this</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> </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a2191902db0c9674013c6c8c7e3bbd72b"> 61</a></span> <a class="code" href="classYQBarGraph.html#a2191902db0c9674013c6c8c7e3bbd72b">YQBarGraph::~YQBarGraph</a>()</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// NOP</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</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> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#ad0196191f3ccf910e7ad77cf3ccc25f8"> 68</a></span> <a class="code" href="classYQBarGraph.html#ad0196191f3ccf910e7ad77cf3ccc25f8">YQBarGraph::doUpdate</a>()</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  QFrame::update(); <span class="comment">// triggers drawContents()</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">bool</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> YQBarGraph::event ( QEvent *event)</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">if</span> (event->type() == QEvent::ToolTip) {</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  QHelpEvent *helpEvent = <span class="keyword">static_cast<</span>QHelpEvent *<span class="keyword">></span>(event);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// Ook, I know this is write-only piece of code, but it basically means this:</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// Traverse map from the rear end, looking for the lower bound of the segment the</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">// mouse pointer is in, using in_segment function as comparison</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  map<int, QString>::reverse_iterator lbound =</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  find_if( toolTips.rbegin(), toolTips.rend(), bind2nd( ptr_fun(in_segment), helpEvent->x()));</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>  <span class="keywordflow">if</span> (lbound != toolTips.rend())</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  QToolTip::showText(helpEvent->globalPos(), lbound->second );</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">return</span> QWidget::event(event);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</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="keywordtype">void</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a8dada657fb5875ead8547df83a91a7b1"> 93</a></span> <a class="code" href="classYQBarGraph.html#a8dada657fb5875ead8547df83a91a7b1">YQBarGraph::paintEvent</a>( QPaintEvent* paintEvent )</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  QFrame::paintEvent( paintEvent );</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  QPainter painter( <span class="keyword">this</span> );</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">unsigned</span> nextDefaultColor = 0;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">int</span> totalWidth = contentsRect().width() - 2*YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> segHeight = contentsRect().height() - 2*YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">int</span> x_off = YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">int</span> y_off = YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordtype">int</span> valueTotal = 0;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  QFontMetrics fm = painter.fontMetrics();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  toolTips.clear();</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i < segments(); i++ )</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  valueTotal += segment(i).value();</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">if</span> ( valueTotal == 0 ) <span class="comment">// Avoid division by zero</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i < segments(); i++ )</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">const</span> YBarGraphSegment & seg = segment(i);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">int</span> segWidth = ( (long) totalWidth * seg.value() ) / valueTotal;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">int</span> stringWidth = 0;</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>  <span class="keywordflow">if</span> ( i == segments()-1 )</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Compensate for rounding errors:</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// The last segment gets all leftover pixels from the previous ones.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  segWidth = totalWidth - x_off + YQBarGraphOuterMargin;</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> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="comment">// Fill the segment</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">//</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>  YColor segmentColor = seg.segmentColor();</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  YColor textColor = seg.textColor();</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>  <span class="keywordflow">if</span> ( segmentColor.isUndefined() || textColor.isUndefined() )</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="comment">// If any of the colors is undefined, use the next default color</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// for both so some contrast is ensured.</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>  segmentColor = <a class="code" href="classYQBarGraph.html#a6cf989b1fdd58d37a60c7dafea9be89b">defaultSegmentColor</a>( nextDefaultColor );</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  textColor = <a class="code" href="classYQBarGraph.html#aae48026d755440ad70493a263af670ba">defaultTextColor</a> ( nextDefaultColor++ );</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</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>  painter.setBrush( QColor( segmentColor.red(),</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  segmentColor.green(),</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  segmentColor.blue() ) );</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  painter.setPen( Qt::NoPen );</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  painter.drawRect( x_off, y_off, segWidth+2, segHeight+2 );</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> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="comment">// Draw the label</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">//</span></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>  painter.setPen( Qt::SolidLine );</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  painter.setPen( QColor( textColor.red(),</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  textColor.green(),</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  textColor.blue() ) );</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  QString txt = fromUTF8( seg.label() );</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>  <span class="keywordflow">if</span> ( txt.contains( <span class="stringliteral">"%1"</span> ) )</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  txt = txt.arg( seg.value() ); <span class="comment">// substitute variable</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  stringWidth = fm.size(0,txt).width();</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>  <span class="comment">// draw the text only if it fits the current segment width ...</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (stringWidth < segWidth)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  painter.drawText( x_off + YQBarGraphLabelHorizontalMargin,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  y_off + YQBarGraphLabelVerticalMargin,</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  segWidth - 2 * YQBarGraphLabelHorizontalMargin + 1,</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  segHeight - 2 * YQBarGraphLabelVerticalMargin + 1,</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  Qt::AlignCenter, txt );</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</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>  <span class="comment">// ... but always make it available via tooltip</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  toolTips.insert(make_pair( x_off, txt));</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// Prepare for the next segment</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  x_off += segWidth;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> }</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> YColor</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a6cf989b1fdd58d37a60c7dafea9be89b"> 190</a></span> <a class="code" href="classYQBarGraph.html#a6cf989b1fdd58d37a60c7dafea9be89b">YQBarGraph::defaultSegmentColor</a>( <span class="keywordtype">unsigned</span> index )</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">switch</span>( index % 8 )</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> YColor( 0, 0, 128 ); <span class="comment">// dark blue</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> YColor( 64, 200, 255 ); <span class="comment">// medium blue</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> YColor( 255, 255, 255 ); <span class="comment">// white</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">case</span> 3: <span class="keywordflow">return</span> YColor( 0, 153, 153 ); <span class="comment">// cadet blue</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">case</span> 4: <span class="keywordflow">return</span> YColor( 150, 255, 255 ); <span class="comment">// cyan</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">case</span> 5: <span class="keywordflow">return</span> YColor( 100, 100, 100 ); <span class="comment">// medium grey</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">case</span> 6: <span class="keywordflow">return</span> YColor( 0, 200, 100 ); <span class="comment">// medium green</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">case</span> 7: <span class="keywordflow">return</span> YColor( 0, 100, 76 ); <span class="comment">// dark green</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> </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">return</span> YColor( 255, 255, 255 ); <span class="comment">// just to make gcc happy</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> YColor</div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#aae48026d755440ad70493a263af670ba"> 209</a></span> <a class="code" href="classYQBarGraph.html#aae48026d755440ad70493a263af670ba">YQBarGraph::defaultTextColor</a>( <span class="keywordtype">unsigned</span> index )</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  YColor black = YColor( 0, 0, 0 );</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  YColor white = YColor( 255, 255, 255 );</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">switch</span>( index % 8 )</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">case</span> 0: <span class="keywordflow">return</span> white;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">case</span> 1: <span class="keywordflow">return</span> black;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">case</span> 2: <span class="keywordflow">return</span> black;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">case</span> 3: <span class="keywordflow">return</span> black;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keywordflow">case</span> 4: <span class="keywordflow">return</span> black;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">case</span> 5: <span class="keywordflow">return</span> white;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">case</span> 6: <span class="keywordflow">return</span> black;</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">case</span> 7: <span class="keywordflow">return</span> white;</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> </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">return</span> black; <span class="comment">// just to make gcc happy</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a76778d65413e22006f5b567430605259"> 231</a></span> <a class="code" href="classYQBarGraph.html#a76778d65413e22006f5b567430605259">YQBarGraph::setEnabled</a>( <span class="keywordtype">bool</span> enabled )</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>  QFrame::setEnabled( enabled );</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  YWidget::setEnabled( enabled );</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> </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a385e147b0dab7af47d62bac6e1d7328c"> 239</a></span> <a class="code" href="classYQBarGraph.html#a385e147b0dab7af47d62bac6e1d7328c">YQBarGraph::preferredWidth</a>()</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">int</span> width = 0;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  QFontMetrics metrics = fontMetrics();</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i < segments(); i++ )</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  QString txt = fromUTF8( segment(i).label() );</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="keywordflow">if</span> ( txt.contains( <span class="stringliteral">"%1"</span> ) )</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  txt = txt.arg( segment(i).value() );</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  QSize segSize = metrics.size( 0, txt );</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  width += segSize.width();</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> </div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  width += 2 * YQBarGraphLabelHorizontalMargin;</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  width += frameWidth();</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  width += 2 * YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  width = max( width, YQBarGraphMinWidth );</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>  <span class="keywordflow">return</span> width;</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> }</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> </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a69e63091c711a526935b618eb144b0eb"> 265</a></span> <a class="code" href="classYQBarGraph.html#a69e63091c711a526935b618eb144b0eb">YQBarGraph::preferredHeight</a>()</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> height = YQBarGraphMinHeight;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  QFontMetrics metrics = fontMetrics();</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>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0; i < segments(); i++ )</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  QString txt = fromUTF8( segment(i).label() );</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> ( txt.contains( <span class="stringliteral">"%1"</span> ) )</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  txt = txt.arg( segment(i).value() );</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>  QSize segSize = metrics.size( 0, txt );</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  height = max( height, segSize.height() );</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> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  height += 2 * YQBarGraphLabelVerticalMargin;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  height += frameWidth();</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  height += 2 * YQBarGraphOuterMargin;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  height = max( height, YQBarGraphMinHeight );</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">return</span> height;</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> </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> </div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="classYQBarGraph.html#a877390350b1b88b12e029ca9ce0838e1"> 291</a></span> <a class="code" href="classYQBarGraph.html#a877390350b1b88b12e029ca9ce0838e1">YQBarGraph::setSize</a>( <span class="keywordtype">int</span> newWidth, <span class="keywordtype">int</span> newHeight )</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> {</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  resize( newWidth, newHeight );</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> }</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</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> </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#include "YQBarGraph.moc"</span></div>
<div class="ttc" id="classYQBarGraph_html_a6cf989b1fdd58d37a60c7dafea9be89b"><div class="ttname"><a href="classYQBarGraph.html#a6cf989b1fdd58d37a60c7dafea9be89b">YQBarGraph::defaultSegmentColor</a></div><div class="ttdeci">YColor defaultSegmentColor(unsigned index)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00190">YQBarGraph.cc:190</a></div></div>
<div class="ttc" id="classYQBarGraph_html_ab9d3d2c2926443c620494e271da8eba6"><div class="ttname"><a href="classYQBarGraph.html#ab9d3d2c2926443c620494e271da8eba6">YQBarGraph::YQBarGraph</a></div><div class="ttdeci">YQBarGraph(YWidget *parent)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00053">YQBarGraph.cc:53</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a2191902db0c9674013c6c8c7e3bbd72b"><div class="ttname"><a href="classYQBarGraph.html#a2191902db0c9674013c6c8c7e3bbd72b">YQBarGraph::~YQBarGraph</a></div><div class="ttdeci">virtual ~YQBarGraph()</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00061">YQBarGraph.cc:61</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a385e147b0dab7af47d62bac6e1d7328c"><div class="ttname"><a href="classYQBarGraph.html#a385e147b0dab7af47d62bac6e1d7328c">YQBarGraph::preferredWidth</a></div><div class="ttdeci">virtual int preferredWidth()</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00239">YQBarGraph.cc:239</a></div></div>
<div class="ttc" id="classYQBarGraph_html_aae48026d755440ad70493a263af670ba"><div class="ttname"><a href="classYQBarGraph.html#aae48026d755440ad70493a263af670ba">YQBarGraph::defaultTextColor</a></div><div class="ttdeci">YColor defaultTextColor(unsigned index)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00209">YQBarGraph.cc:209</a></div></div>
<div class="ttc" id="classYQBarGraph_html_ad0196191f3ccf910e7ad77cf3ccc25f8"><div class="ttname"><a href="classYQBarGraph.html#ad0196191f3ccf910e7ad77cf3ccc25f8">YQBarGraph::doUpdate</a></div><div class="ttdeci">virtual void doUpdate()</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00068">YQBarGraph.cc:68</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a877390350b1b88b12e029ca9ce0838e1"><div class="ttname"><a href="classYQBarGraph.html#a877390350b1b88b12e029ca9ce0838e1">YQBarGraph::setSize</a></div><div class="ttdeci">virtual void setSize(int newWidth, int newHeight)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00291">YQBarGraph.cc:291</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a8dada657fb5875ead8547df83a91a7b1"><div class="ttname"><a href="classYQBarGraph.html#a8dada657fb5875ead8547df83a91a7b1">YQBarGraph::paintEvent</a></div><div class="ttdeci">virtual void paintEvent(QPaintEvent *painter)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00093">YQBarGraph.cc:93</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a69e63091c711a526935b618eb144b0eb"><div class="ttname"><a href="classYQBarGraph.html#a69e63091c711a526935b618eb144b0eb">YQBarGraph::preferredHeight</a></div><div class="ttdeci">virtual int preferredHeight()</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00265">YQBarGraph.cc:265</a></div></div>
<div class="ttc" id="classYQBarGraph_html_a76778d65413e22006f5b567430605259"><div class="ttname"><a href="classYQBarGraph.html#a76778d65413e22006f5b567430605259">YQBarGraph::setEnabled</a></div><div class="ttdeci">virtual void setEnabled(bool enabled)</div><div class="ttdef"><b>Definition:</b> <a href="YQBarGraph_8cc_source.html#l00231">YQBarGraph.cc:231</a></div></div>
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