1 | /* |
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2 | * Copyright (C) 2010 Ixonos Plc. |
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3 | * |
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4 | * This file is part of fosdem-schedule. |
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5 | * |
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6 | * fosdem-schedule is free software: you can redistribute it and/or modify it |
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7 | * under the terms of the GNU General Public License as published by the Free |
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8 | * Software Foundation, either version 2 of the License, or (at your option) |
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9 | * any later version. |
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10 | * |
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11 | * fosdem-schedule is distributed in the hope that it will be useful, but |
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12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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14 | * more details. |
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15 | * |
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16 | * You should have received a copy of the GNU General Public License along with |
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17 | * fosdem-schedule. If not, see <http://www.gnu.org/licenses/>. |
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18 | */ |
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19 | #include "delegate.h" |
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20 | #include "eventmodel.h" |
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21 | #include <track.h> |
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22 | |
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23 | #include <QDebug> |
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24 | #include <QPainter> |
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25 | |
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26 | #include "room.h" |
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27 | |
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28 | const int RADIUS = 10; |
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29 | const int SPACER = 10; |
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30 | |
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31 | const double scaleFactor1 = 0.4; |
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32 | const double scaleFactor2 = 0.8; |
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33 | |
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34 | Delegate::Delegate(QTreeView *aParent) |
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35 | : QItemDelegate(aParent) |
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36 | , mViewPtr(aParent) |
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37 | { |
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38 | mControls.clear(); |
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39 | defineControls(); |
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40 | } |
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41 | |
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42 | Delegate::~Delegate() |
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43 | { |
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44 | QListIterator<ControlId> i(mControls.keys()); |
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45 | while (i.hasNext()) |
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46 | { |
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47 | delete mControls[i.next()]->image(); |
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48 | } |
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49 | } |
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50 | |
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51 | void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const |
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52 | { |
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53 | if(!mViewPtr) |
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54 | return; |
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55 | |
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56 | painter->save(); |
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57 | QColor bkgrColor = Qt::cyan; |
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58 | //QColor bkgrColor = QColor(0xAA,0xAA,0xAA); |
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59 | QColor conflictColor = Qt::yellow; |
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60 | |
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61 | QPen borderPen(bkgrColor.darker()); |
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62 | if(hasParent(index)) |
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63 | { |
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64 | // entry horisontal layout: |
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65 | // * spacer (aka y position of image) |
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66 | // * image |
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67 | // * rest is text, which is 1 line of title with big letters and 2 lines of Presenter and Track |
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68 | int aux = option.rect.height() - SPACER - mControls[FavouriteControlOn]->image()->height(); |
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69 | Event *event = static_cast<Event*>(index.internalPointer()); |
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70 | // font SMALL |
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71 | QFont fontSmall = option.font; |
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72 | fontSmall.setBold(false); |
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73 | fontSmall.setPixelSize(aux*0.2); |
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74 | QFontMetrics fmSmall(fontSmall); |
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75 | // font SMALL bold |
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76 | QFont fontSmallB = fontSmall; |
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77 | fontSmallB.setBold(true); |
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78 | QFontMetrics fmSmallB(fontSmallB); |
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79 | |
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80 | // font BIG |
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81 | QFont fontBig = option.font; |
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82 | fontBig.setBold(false); |
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83 | fontBig.setPixelSize(aux*0.33); |
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84 | QFontMetrics fmBig(fontBig); |
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85 | // font BIG bold |
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86 | QFont fontBigB = fontBig; |
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87 | fontBigB.setBold(true); |
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88 | QFontMetrics fmBigB(fontBigB); |
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89 | |
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90 | //int spacer = (fmSmall.boundingRect("999").width() < SPACER) ? SPACER : fmSmall.boundingRect("999").width(); |
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91 | |
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92 | //Time conflicts are colored differently |
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93 | if(event->hasTimeConflict()) |
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94 | bkgrColor = conflictColor; |
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95 | |
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96 | QLinearGradient itemGradient(option.rect.topLeft(), option.rect.bottomLeft()); |
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97 | itemGradient.setColorAt(0.0, Qt::white); |
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98 | itemGradient.setColorAt(0.25, bkgrColor); |
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99 | itemGradient.setColorAt(0.5, bkgrColor); |
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100 | itemGradient.setColorAt(0.75, bkgrColor); |
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101 | itemGradient.setColorAt(1.0, Qt::white); |
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102 | |
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103 | if(isLast(index)) |
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104 | { |
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105 | QPainterPath endPath; |
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106 | endPath.moveTo(option.rect.topLeft()); |
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107 | endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS)); |
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108 | endPath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 180, 90); |
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109 | endPath.lineTo(option.rect.bottomRight()-QPoint(RADIUS, 0)); |
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110 | endPath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, 90); |
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111 | endPath.lineTo(option.rect.topRight()); |
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112 | |
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113 | //painter->setBrush( bkgrColor ); |
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114 | painter->setBrush(itemGradient); |
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115 | painter->setPen(borderPen); |
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116 | painter->drawPath(endPath); |
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117 | |
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118 | painter->setFont(option.font); |
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119 | } |
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120 | else // middle elements |
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121 | { |
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122 | //painter->setBrush( bkgrColor ); |
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123 | painter->setBrush(itemGradient); |
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124 | painter->setPen(Qt::NoPen); |
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125 | painter->drawRect(option.rect); |
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126 | |
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127 | painter->setPen(borderPen); |
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128 | // vertical lines |
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129 | painter->drawLine(option.rect.topLeft(), option.rect.bottomLeft()); |
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130 | painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); |
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131 | // horizontal lines |
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132 | painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); |
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133 | |
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134 | painter->setFont(option.font); |
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135 | } |
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136 | |
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137 | // draw Controls |
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138 | foreach(Control* c, mControls.values()) { |
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139 | c->setEnabled(false); |
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140 | } |
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141 | if(event->isFavourite()) |
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142 | mControls[FavouriteControlOn]->paint(painter, option.rect); |
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143 | else |
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144 | mControls[FavouriteControlOff]->paint(painter, option.rect); |
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145 | #ifdef MAEMO |
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146 | if(event->hasAlarm()) |
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147 | mControls[AlarmControlOn]->paint(painter, option.rect); |
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148 | else |
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149 | mControls[AlarmControlOff]->paint(painter, option.rect); |
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150 | #endif |
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151 | if (event->room()->hasMap()) |
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152 | mControls[MapControl]->paint(painter, option.rect); |
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153 | if(event->hasTimeConflict()) |
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154 | mControls[WarningControl]->paint(painter, option.rect); |
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155 | |
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156 | // draw texts |
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157 | // it starts just below the image |
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158 | // ("position of text" is lower-left angle of the first letter, |
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159 | // so the first line is actually at the same height as the image) |
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160 | QPointF titlePointF(option.rect.x() + SPACER, |
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161 | option.rect.y() + SPACER + mControls[FavouriteControlOn]->image()->height()); |
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162 | QTime start = event->start().time(); |
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163 | painter->setFont(fontBig); |
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164 | painter->drawText(titlePointF,start.toString("hh:mm") + "-" + start.addSecs(event->duration()).toString("hh:mm") + ", " + event->roomName()); |
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165 | // title |
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166 | titlePointF.setY(titlePointF.y()+fmBig.height()-fmBig.descent()); |
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167 | painter->setFont(fontBigB); |
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168 | QString title = event->title(); |
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169 | if(fmBigB.boundingRect(title).width() > (option.rect.width()-2*SPACER)) // the title won't fit the screen |
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170 | { |
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171 | // chop words from the end |
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172 | while( (fmBigB.boundingRect(title + "...").width() > (option.rect.width()-2*SPACER)) && !title.isEmpty()) |
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173 | { |
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174 | title.chop(1); |
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175 | // chop characters one-by-one from the end |
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176 | while( (!title.at(title.length()-1).isSpace()) && !title.isEmpty()) |
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177 | { |
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178 | title.chop(1); |
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179 | } |
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180 | } |
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181 | title += "..."; |
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182 | } |
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183 | painter->drawText(titlePointF,title); |
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184 | // persons |
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185 | titlePointF.setY(titlePointF.y()+fmSmall.height()-fmSmall.descent()); |
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186 | painter->setFont(fontSmall); |
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187 | painter->drawText(titlePointF,"Presenter(s): " + event->persons().join(" and ")); |
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188 | // track |
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189 | titlePointF.setY(titlePointF.y()+fmSmall.height()-fmSmall.descent()); |
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190 | painter->drawText(titlePointF,"Track: " + Track::retrieveTrackName(event->trackId())); |
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191 | } |
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192 | else // doesn't have parent - time-groups' elements (top items) |
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193 | { |
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194 | QFont fontSmall = option.font; |
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195 | fontSmall.setBold(true); |
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196 | fontSmall.setPixelSize(option.rect.height()*scaleFactor1); |
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197 | QFontMetrics fmSmall(fontSmall); |
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198 | |
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199 | QFont fontBig = option.font; |
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200 | fontBig.setBold(true); |
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201 | fontBig.setPixelSize(option.rect.height()*scaleFactor2); |
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202 | QFontMetrics fmBig(fontBig); |
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203 | |
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204 | int spacer = (fmSmall.boundingRect("999").width() < SPACER) ? SPACER : fmSmall.boundingRect("999").width(); |
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205 | |
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206 | QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight()); |
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207 | //titleGradient.setColorAt(0.0, Qt::white); |
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208 | titleGradient.setColorAt(0.0, bkgrColor); |
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209 | titleGradient.setColorAt(0.5, Qt::white); |
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210 | titleGradient.setColorAt(1.0, bkgrColor); |
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211 | |
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212 | QPainterPath titlePath; |
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213 | if(isExpanded(index)) |
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214 | { |
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215 | titlePath.moveTo(option.rect.bottomLeft()); |
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216 | titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); |
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217 | titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); |
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218 | titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); |
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219 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); |
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220 | titlePath.lineTo(option.rect.bottomRight()); |
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221 | titlePath.closeSubpath(); |
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222 | } |
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223 | else |
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224 | { |
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225 | titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); |
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226 | titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); |
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227 | titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); |
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228 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); |
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229 | titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS)); |
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230 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90); |
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231 | titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0)); |
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232 | titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90); |
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233 | titlePath.closeSubpath(); |
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234 | } |
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235 | |
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236 | painter->setBrush(titleGradient); |
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237 | painter->setPen(borderPen); |
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238 | painter->drawPath(titlePath); |
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239 | |
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240 | // draw icons |
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241 | painter->setFont(fontSmall); |
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242 | QImage *image = mControls[FavouriteControlOn]->image(); |
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243 | QPoint drawPoint = |
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244 | option.rect.topRight() |
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245 | - QPoint( |
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246 | spacer + image->width(), |
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247 | - option.rect.height()/2 + image->height()/2); |
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248 | painter->drawImage(drawPoint,*image); |
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249 | painter->drawText(drawPoint+QPoint(image->width()+2, image->height() - 2), |
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250 | QString::number(numberOfFavourities(index))); |
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251 | #ifdef MAEMO |
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252 | drawPoint.setX(drawPoint.x() - spacer - image->width()); |
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253 | painter->drawImage(drawPoint,*mControls[AlarmControlOn]->image()); |
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254 | painter->drawText(drawPoint+QPoint(image->width()+2, image->height() - 2), |
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255 | QString::number(numberOfAlarms(index))); |
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256 | #endif |
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257 | // draw texts |
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258 | QString numEvents = QString::number(index.model()->rowCount(index)).append("/"); |
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259 | drawPoint.setX(drawPoint.x() - spacer - fmSmall.boundingRect(numEvents).width()); |
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260 | drawPoint.setY(drawPoint.y()+image->height() - 2); |
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261 | painter->drawText(drawPoint,numEvents); |
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262 | |
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263 | QPointF titlePointF = QPoint( |
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264 | option.rect.x()+SPACER, |
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265 | option.rect.y()+option.rect.height()-fmBig.descent()); |
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266 | painter->setFont(fontBig); |
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267 | |
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268 | painter->drawText(titlePointF,qVariantValue<QString>(index.data())); |
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269 | } |
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270 | |
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271 | //// HIGHLIGHTING SELECTED ITEM |
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272 | //if (option.state & QStyle::State_Selected) |
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273 | //painter->fillRect(option.rect, option.palette.highlight()); |
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274 | |
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275 | painter->restore(); |
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276 | } |
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277 | |
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278 | QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const |
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279 | { |
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280 | Q_UNUSED(option) |
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281 | |
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282 | if (index.internalId() == 0) // time group |
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283 | { |
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284 | return QSize(40,40); |
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285 | } |
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286 | else // event |
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287 | { |
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288 | return QSize(100,100); |
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289 | } |
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290 | } |
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291 | |
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292 | bool Delegate::hasParent( const QModelIndex &index ) const |
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293 | { |
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294 | if( index.parent().isValid() ) |
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295 | return true; |
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296 | else |
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297 | return false; |
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298 | } |
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299 | |
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300 | bool Delegate::isLast( const QModelIndex &index ) const |
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301 | { |
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302 | if(!hasParent(index)) |
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303 | return false; // what should be returned here? |
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304 | |
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305 | if(index.row() >= (index.model()->rowCount(index.parent())-1)) |
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306 | return true; |
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307 | else |
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308 | return false; |
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309 | } |
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310 | |
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311 | bool Delegate::isExpanded( const QModelIndex &index ) const |
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312 | { |
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313 | if( !mViewPtr ) |
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314 | return false; |
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315 | else |
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316 | return mViewPtr->isExpanded( index ); |
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317 | } |
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318 | |
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319 | Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const |
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320 | { |
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321 | if(!hasParent(aIndex)) // time-group item (root item) |
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322 | return ControlNone; |
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323 | |
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324 | QListIterator<ControlId> i(mControls.keys()); |
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325 | while (i.hasNext()) |
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326 | { |
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327 | ControlId id = i.next(); |
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328 | if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint)) |
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329 | { |
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330 | if(id == WarningControl) |
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331 | { |
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332 | if(static_cast<Event*>(aIndex.internalPointer())->hasTimeConflict()) |
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333 | return id; |
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334 | } |
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335 | else |
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336 | return id; |
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337 | } |
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338 | } |
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339 | |
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340 | return ControlNone; |
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341 | } |
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342 | |
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343 | Delegate::Control::Control(ControlId aControlId, const QString &aImageName, const Control* prev_control) |
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344 | : mId(aControlId) |
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345 | , mImage(new QImage(aImageName)) |
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346 | , mDrawPoint(QPoint(0,0)) |
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347 | , mEnabled(false) |
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348 | { |
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349 | QPoint p; |
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350 | if (prev_control == NULL) { |
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351 | p = QPoint(0, SPACER); |
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352 | } else { |
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353 | p = prev_control->drawPoint(); |
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354 | } |
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355 | p.setX(p.x()-image()->width()-SPACER); |
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356 | setDrawPoint(p); |
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357 | } |
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358 | |
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359 | void Delegate::Control::paint(QPainter* painter, const QRect rect) |
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360 | { |
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361 | painter->drawImage(drawPoint(rect),*image()); |
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362 | setEnabled(true); |
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363 | } |
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364 | |
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365 | void Delegate::defineControls() |
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366 | { |
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367 | // FAVOURITE ICONs |
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368 | // on |
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369 | mControls.insert(FavouriteControlOn, new Control(FavouriteControlOn, QString(":icons/favourite-onBig.png"), NULL)); |
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370 | // off |
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371 | mControls.insert(FavouriteControlOff, new Control(FavouriteControlOff, QString(":icons/favourite-offBig.png"), NULL)); |
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372 | |
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373 | #ifdef MAEMO |
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374 | // ALARM ICONs |
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375 | // on |
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376 | mControls.insert(AlarmControlOn, |
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377 | new Control(AlarmControlOn, QString(":icons/alarm-onBig.png"), mControls[FavouriteControlOn])); |
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378 | // off |
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379 | mControls.insert(AlarmControlOff, |
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380 | new Control(AlarmControlOff, QString(":icons/alarm-offBig.png"), mControls[FavouriteControlOff])); |
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381 | |
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382 | // MAP ICON |
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383 | mControls.insert(MapControl, |
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384 | new Control(MapControl, QString(":icons/compassBig.png"), mControls[AlarmControlOn])); |
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385 | #else |
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386 | // MAP ICON |
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387 | mControls.insert(MapControl, |
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388 | new Control(MapControl, QString(":icons/compassBig.png"), mControls[FavouriteControlOn])); |
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389 | #endif |
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390 | |
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391 | // WARNING ICON |
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392 | mControls.insert(WarningControl, |
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393 | new Control(WarningControl, QString(":icons/exclamation.png"), mControls[MapControl])); |
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394 | } |
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395 | |
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396 | bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const |
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397 | { |
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398 | if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) ) |
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399 | return true; |
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400 | |
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401 | return false; |
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402 | } |
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403 | |
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404 | int Delegate::numberOfFavourities(const QModelIndex &index) const |
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405 | { |
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406 | if(index.parent().isValid()) // it's event, not time-group |
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407 | return 0; |
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408 | |
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409 | int nrofFavs = 0; |
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410 | for(int i=0; i<index.model()->rowCount(index); i++) |
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411 | if(static_cast<Event*>(index.child(i,0).internalPointer())->isFavourite()) |
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412 | nrofFavs++; |
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413 | |
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414 | return nrofFavs; |
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415 | } |
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416 | |
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417 | int Delegate::numberOfAlarms(const QModelIndex &index) const |
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418 | { |
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419 | if(index.parent().isValid()) // it's event, not time-group |
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420 | return 0; |
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421 | |
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422 | int nrofAlarms = 0; |
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423 | for(int i=0; i<index.model()->rowCount(index); i++) |
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424 | if(static_cast<Event*>(index.child(i,0).internalPointer())->hasAlarm()) |
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425 | nrofAlarms++; |
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426 | |
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427 | return nrofAlarms; |
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428 | } |
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429 | |
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