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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 "changesetitem.h"
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19 #include "changesetdetailitem.h"
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20 #include "changeset.h"
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21 #include "textabbrev.h"
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22 #include "colourset.h"
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23 #include "debug.h"
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24
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25 #include <QPainter>
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26 #include <QGraphicsScene>
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27
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28 ChangesetItem::ChangesetItem(Changeset *cs) :
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29 m_changeset(cs), m_detail(0),
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30 m_showBranch(false), m_column(0), m_row(0), m_wide(false)
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31 {
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32 m_font = QFont();
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33 m_font.setPixelSize(11);
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34 m_font.setBold(false);
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35 m_font.setItalic(false);
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36 }
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37
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38 QRectF
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39 ChangesetItem::boundingRect() const
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40 {
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41 int w = 100;
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42 if (m_wide) w = 180;
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43 return QRectF(-((w-50)/2 - 1), -30, w - 3, 79);
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44 }
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45
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46 void
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47 ChangesetItem::showDetail()
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48 {
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49 if (m_detail) return;
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50 m_detail = new ChangesetDetailItem(m_changeset);
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51 m_detail->setZValue(zValue() + 1);
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52 scene()->addItem(m_detail);
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53 int w = 100;
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54 if (m_wide) w = 180;
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55 m_detail->moveBy(x() - (m_detail->boundingRect().width() - 50) / 2,
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56 y() + 60);
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57 emit detailShown();
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58 }
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59
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60 void
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61 ChangesetItem::hideDetail()
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62 {
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63 delete m_detail;
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64 m_detail = 0;
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65 emit detailHidden();
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66 }
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67
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68 void
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69 ChangesetItem::mousePressEvent(QGraphicsSceneMouseEvent *e)
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70 {
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71 DEBUG << "ChangesetItem::mousePressEvent" << endl;
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72 if (m_detail) {
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73 hideDetail();
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74 } else {
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75 showDetail();
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76 }
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77 }
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78
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79 void
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80 ChangesetItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *option,
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81 QWidget *w)
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82 {
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83 paint->save();
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84
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85 ColourSet *colourSet = ColourSet::instance();
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86 QColor branchColour = colourSet->getColourFor(m_changeset->branch());
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87 QColor userColour = colourSet->getColourFor(m_changeset->author());
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88
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89 QFont f(m_font);
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90
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91 QTransform t = paint->worldTransform();
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92 float scale = std::min(t.m11(), t.m22());
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93 if (scale > 1.0) {
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94 int ps = int((f.pixelSize() / scale) + 0.5);
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95 if (ps < 8) ps = 8;
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96 f.setPixelSize(ps);
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97 }
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98
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99 if (scale < 0.1) {
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100 paint->setPen(QPen(branchColour, 0));
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101 } else {
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102 paint->setPen(QPen(branchColour, 2));
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103 }
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104
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105 paint->setFont(f);
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106 QFontMetrics fm(f);
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107 int fh = fm.height();
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108
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109 int width = 100;
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110 if (m_wide) width = 180;
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111 int x0 = -((width - 50) / 2 - 1);
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112
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113 int height = 49;
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114 QRectF r(x0, 0, width - 3, height);
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115 paint->drawRect(r);
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116
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117 if (scale < 0.1) {
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118 paint->restore();
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119 return;
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120 }
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121
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122 paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5),
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123 QBrush(userColour));
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124
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125 paint->setPen(QPen(Qt::white));
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126
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127 int wid = width - 5;
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128 QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid);
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129 paint->drawText(x0 + 3, fm.ascent(), person);
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130
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131 paint->setPen(QPen(Qt::black));
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132
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133 if (m_showBranch) {
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134 // write branch name
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135 f.setBold(true);
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136 paint->setFont(f);
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137 QString branch = m_changeset->branch();
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138 if (branch == "") branch = "default";
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139 int wid = width - 3;
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140 branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
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141 paint->drawText(x0, -fh + fm.ascent() - 4, branch);
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142 f.setBold(false);
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143 }
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144
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145 // f.setItalic(true);
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146 fm = QFontMetrics(f);
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147 fh = fm.height();
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148 paint->setFont(f);
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149
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150 QString comment = m_changeset->comment().trimmed();
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151 comment = comment.replace("\\n", " ");
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152 comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), "");
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153 comment = comment.replace(QRegExp("\"$"), "");
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154 comment = comment.replace("\\\"", "\"");
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155
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156 wid = width - 5;
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157 int nlines = (height / fh) - 1;
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158 if (nlines < 1) nlines = 1;
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159 comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd,
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160 "...", nlines);
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161
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162 QStringList lines = comment.split('\n');
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163 for (int i = 0; i < lines.size(); ++i) {
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164 paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
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165 }
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166
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167 paint->restore();
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168 }
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