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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 EasyMercurial
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5
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6 Based on HgExplorer by Jari Korhonen
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7 Copyright (c) 2010 Jari Korhonen
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8 Copyright (c) 2010 Chris Cannam
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9 Copyright (c) 2010 Queen Mary, University of London
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10
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11 This program is free software; you can redistribute it and/or
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12 modify it under the terms of the GNU General Public License as
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13 published by the Free Software Foundation; either version 2 of the
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14 License, or (at your option) any later version. See the file
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15 COPYING included with this distribution for more information.
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16 */
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17
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18 #include "changesetdetailitem.h"
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19 #include "changeset.h"
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20 #include "textabbrev.h"
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21 #include "colourset.h"
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22 #include "debug.h"
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23 #include "common.h"
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24
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25 #include <QTextDocument>
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26 #include <QPainter>
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27
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28 ChangesetDetailItem::ChangesetDetailItem(Changeset *cs) :
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29 m_changeset(cs), m_doc(0)
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30 {
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31 m_font = QFont();
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32 m_font.setPixelSize(11);
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33 m_font.setBold(false);
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34 m_font.setItalic(false);
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35
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36 makeDocument();
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37 }
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38
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39 ChangesetDetailItem::~ChangesetDetailItem()
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40 {
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41 delete m_doc;
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42 }
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43
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44 QRectF
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45 ChangesetDetailItem::boundingRect() const
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46 {
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47 int w = 350;
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48 m_doc->setTextWidth(w);
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49 return QRectF(0, -10, w, m_doc->size().height() + 10);
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50 }
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51
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52 void
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53 ChangesetDetailItem::paint(QPainter *paint,
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54 const QStyleOptionGraphicsItem *option,
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55 QWidget *w)
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56 {
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57 paint->save();
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58
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59 ColourSet *colourSet = ColourSet::instance();
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60 QColor branchColour = colourSet->getColourFor(m_changeset->branch());
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61 QColor userColour = colourSet->getColourFor(m_changeset->author());
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62
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63 QFont f(m_font);
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64
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65 QTransform t = paint->worldTransform();
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66 float scale = std::min(t.m11(), t.m22());
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67 if (scale > 1.0) {
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68 int ps = int((f.pixelSize() / scale) + 0.5);
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69 if (ps < 8) ps = 8;
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70 f.setPixelSize(ps);
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71 }
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72
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73 if (scale < 0.1) {
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74 paint->setPen(QPen(branchColour, 0));
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75 } else {
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76 paint->setPen(QPen(branchColour, 2));
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77 }
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78
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79 paint->setFont(f);
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80 QFontMetrics fm(f);
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81 int fh = fm.height();
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82
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83 int width = 350;
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84 m_doc->setTextWidth(width);
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85 int height = m_doc->size().height();
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86
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87 QRectF r(0.5, 0.5, width - 1, height - 1);
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88 paint->setBrush(Qt::white);
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89 paint->drawRect(r);
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90
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91 if (scale < 0.1) {
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92 paint->restore();
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93 return;
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94 }
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95
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96 paint->setBrush(branchColour);
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97 QVector<QPointF> pts;
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98 pts.push_back(QPointF(width/2 - 5, 0));
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99 pts.push_back(QPointF(width/2 + 5, 0));
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100 pts.push_back(QPointF(width/2, -10));
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101 pts.push_back(QPointF(width/2 - 5, 0));
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102 paint->drawPolygon(QPolygonF(pts));
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103
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104 m_doc->drawContents(paint, r);
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105
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106 /*
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107 paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5),
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108 QBrush(userColour));
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109
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110 paint->setPen(QPen(Qt::white));
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111
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112 int wid = width - 5;
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113 QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid);
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114 paint->drawText(x0 + 3, fm.ascent(), person);
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115
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116 paint->setPen(QPen(Qt::black));
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117
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118 if (m_showBranch) {
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119 // write branch name
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120 f.setBold(true);
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121 paint->setFont(f);
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122 QString branch = m_changeset->branch();
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123 if (branch == "") branch = "default";
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124 int wid = width - 3;
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125 branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
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126 paint->drawText(x0, -fh + fm.ascent() - 4, branch);
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127 f.setBold(false);
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128 }
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129
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130 // f.setItalic(true);
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131 fm = QFontMetrics(f);
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132 fh = fm.height();
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133 paint->setFont(f);
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134
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135 wid = width - 5;
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136 int nlines = (height / fh) - 1;
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137 if (nlines < 1) nlines = 1;
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138 comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd,
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139 "...", nlines);
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140
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141 QStringList lines = comment.split('\n');
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142 for (int i = 0; i < lines.size(); ++i) {
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143 paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
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144 }
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145 */
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146 paint->restore();
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147 }
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148
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149 void
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150 ChangesetDetailItem::makeDocument()
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151 {
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152 delete m_doc;
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153
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154 QString description;
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155 QString rowTemplate = "<tr><td><b>%1</b></td><td>%2</td></tr>";
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156
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157 description = "<qt><table border=0>";
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158
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159 QString comment = m_changeset->comment().trimmed();
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160 comment = comment.replace(QRegExp("^\""), "");
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161 comment = comment.replace(QRegExp("\"$"), "");
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162 comment = comment.replace("\\\"", "\"");
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163 comment = xmlEncode(comment);
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164 comment = comment.replace("\\n", "<br>");
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165
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166 QStringList propNames, propTexts;
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167
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168 propNames << "id"
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169 << "author"
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170 << "datetime"
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171 << "branch"
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172 << "tag"
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173 << "comment";
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174
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175 propTexts << QObject::tr("Identifier")
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176 << QObject::tr("Author")
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177 << QObject::tr("Date")
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178 << QObject::tr("Branch")
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179 << QObject::tr("Tag")
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180 << QObject::tr("Comment");
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181
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182 for (int i = 0; i < propNames.size(); ++i) {
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183 QString prop = propNames[i];
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184 QString value;
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185 if (prop == "comment") value = comment;
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186 else {
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187 value = xmlEncode(m_changeset->property
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188 (prop.toLocal8Bit().data()).toString());
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189 }
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190 if (value != "") {
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191 description += rowTemplate
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192 .arg(xmlEncode(propTexts[i]))
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193 .arg(value);
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194 }
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195 }
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196
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197 description += "</table></qt>";
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198
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199 DEBUG << "ChangesetDetailItem: description = " << description << endl;
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200
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201 m_doc = new QTextDocument;
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202 m_doc->setHtml(description);
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203 }
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204
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