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1 /****************************************************************************
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2 **
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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4 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the demonstration applications of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** package.
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27 **
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28 ** GNU General Public License Usage
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29 ** Alternatively, this file may be used under the terms of the GNU
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30 ** General Public License version 3.0 as published by the Free Software
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31 ** Foundation and appearing in the file LICENSE.GPL included in the
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32 ** packaging of this file. Please review the following information to
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33 ** ensure the GNU General Public License version 3.0 requirements will be
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34 ** met: http://www.gnu.org/copyleft/gpl.html.
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35 **
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36 ** If you are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@nokia.com.
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38 ** $QT_END_LICENSE$
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39 **
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40 ****************************************************************************/
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41 module toolbarsearch;
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42
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73
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43
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44 import qt.core.QSettings;
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45 import qt.core.QUrl;
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46
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47 import qt.gui.QCompleter;
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48 import qt.gui.QMenu;
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49 import qt.gui.QStringListModel;
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50
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94
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51 import qt.webkit.QWebSettings;
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73
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52
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45
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53 import searchlineedit;
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54 import autosaver;
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55
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56
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57 class ToolbarSearch : public SearchLineEdit
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58 {
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77
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59 mixin Signal!("search", QUrl /*url*/);
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73
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60
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74
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61 public:
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73
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62
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63 /*
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64 ToolbarSearch is a very basic search widget that also contains a small history.
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65 Searches are turned into urls that use Google to perform search
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66 */
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67 this(QWidget parent = null)
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68 {
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77
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69 super(parent);
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73
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70 m_autosaver = new AutoSaver(this);
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71 m_maxSavedSearches = 10;
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72 m_stringListModel = new QStringListModel(this);
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45
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73
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73
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74 QMenu m = menu();
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75 m.aboutToShow().connect(&this.aboutToShowMenu);
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76 m.triggered.connect(&this.triggeredMenuAction);
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77
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78 QCompleter completer = new QCompleter(m_stringListModel, this);
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77
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79 completer.setCompletionMode(QCompleter.InlineCompletion);
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73
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80 lineEdit().setCompleter(completer);
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81
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82 lineEdit().returnPressed.connect(&searchNow);
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83 setInactiveText(tr("Google"));
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84 load();
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85 }
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86
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87 ~this()
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88 {
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89 m_autosaver.saveIfNeccessary();
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90 }
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45
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91
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92 public:
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73
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93
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94 void clear()
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95 {
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96 m_stringListModel.setStringList(string[]());
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97 m_autosaver.changeOccurred();
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98 }
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99
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73
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100 void searchNow()
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101 {
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77
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102 string searchText = lineEdit().text();
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103 string[] newList = m_stringListModel.stringList();
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104 if (newList.contains(searchText))
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105 newList.removeAt(newList.indexOf(searchText));
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106 newList.prepend(searchText);
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107 if (newList.size() >= m_maxSavedSearches)
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108 newList.removeLast();
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45
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109
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110 QWebSettings globalSettings = QWebSettings.globalSettings();
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111 if (!globalSettings.testAttribute(QWebSettings.PrivateBrowsingEnabled)) {
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112 m_stringListModel.setStringList(newList);
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113 m_autosaver.changeOccurred();
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114 }
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115
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80
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116 auto url = new QUrl("http://www.google.com/search");
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117 url.addQueryItem("q", searchText);
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118 url.addQueryItem("ie", "UTF-8");
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119 url.addQueryItem("oe", "UTF-8");
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120 url.addQueryItem("client", "qtdemobrowser");
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121 search.emit(url);
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73
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122 }
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123
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124 private:
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125
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126 void save()
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127 {
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128 QSettings settings;
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80
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129 settings.beginGroup("toolbarsearch");
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130 settings.setValue("recentSearches", m_stringListModel.stringList());
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131 settings.setValue("maximumSaved", m_maxSavedSearches);
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132 settings.endGroup();
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133 }
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134
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135
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136 void aboutToShowMenu()
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137 {
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138 lineEdit().selectAll();
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139 QMenu m = menu();
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140 m.clear();
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141 string[] list = m_stringListModel.stringList();
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142 if (list.isEmpty()) {
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143 m.addAction(tr("No Recent Searches"));
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144 return;
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145 }
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45
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146
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147 QAction recent = m.addAction(tr("Recent Searches"));
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148 recent.setEnabled(false);
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149 for (int i = 0; i < list.length; ++i) {
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150 string text = list[i];
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73
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151 m.addAction(text).setData(text);
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152 }
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153 m.addSeparator();
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154 m.addAction(tr("Clear Recent Searches"), this, SLOT(clear()));
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155 }
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45
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156
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73
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157 void triggeredMenuAction(QAction action)
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158 {
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159 QVariant v = action.data();
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77
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160 if (v.canConvert!(string)()) {
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161 string text = v.toString();
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73
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162 lineEdit().setText(text);
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163 searchNow();
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164 }
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165 }
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45
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166
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167 private:
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73
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168
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169 void load()
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170 {
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171 QSettings settings;
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80
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172 settings.beginGroup("toolbarsearch");
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173 string[] list = settings.value("recentSearches").toStringList();
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174 m_maxSavedSearches = settings.value("maximumSaved", m_maxSavedSearches).toInt();
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73
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175 m_stringListModel.setStringList(list);
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176 settings.endGroup();
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177 }
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178
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179 AutoSaver m_autosaver;
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180 int m_maxSavedSearches;
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181 QStringListModel m_stringListModel;
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45
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182 }
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