1 | /****************************************************************************
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2 | **
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3 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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4 | ** All rights reserved.
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5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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6 | **
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7 | ** This file is part of the demonstration applications of the Qt Toolkit.
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8 | **
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9 | ** $QT_BEGIN_LICENSE:LGPL$
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10 | ** Commercial Usage
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11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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12 | ** accordance with the Qt Commercial License Agreement provided with the
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13 | ** Software or, alternatively, in accordance with the terms contained in
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14 | ** a written agreement between you and Nokia.
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15 | **
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16 | ** GNU Lesser General Public License Usage
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17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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18 | ** General Public License version 2.1 as published by the Free Software
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19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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20 | ** packaging of this file. Please review the following information to
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21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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23 | **
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24 | ** In addition, as a special exception, Nokia gives you certain additional
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25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this 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 have questions regarding the use of this file, please contact
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37 | ** Nokia at qt-info@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 |
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42 | #include "toolbarsearch.h"
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43 | #include "autosaver.h"
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44 |
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45 | #include <QtCore/QSettings>
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46 | #include <QtCore/QUrl>
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47 |
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48 | #include <QtGui/QCompleter>
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49 | #include <QtGui/QMenu>
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50 | #include <QtGui/QStringListModel>
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51 |
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52 | #include <QtWebKit/QWebSettings>
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53 |
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54 | /*
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55 | ToolbarSearch is a very basic search widget that also contains a small history.
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56 | Searches are turned into urls that use Google to perform search
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57 | */
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58 | ToolbarSearch::ToolbarSearch(QWidget *parent)
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59 | : SearchLineEdit(parent)
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60 | , m_autosaver(new AutoSaver(this))
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61 | , m_maxSavedSearches(10)
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62 | , m_stringListModel(new QStringListModel(this))
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63 | {
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64 | QMenu *m = menu();
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65 | connect(m, SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu()));
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66 | connect(m, SIGNAL(triggered(QAction*)), this, SLOT(triggeredMenuAction(QAction*)));
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67 |
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68 | QCompleter *completer = new QCompleter(m_stringListModel, this);
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69 | completer->setCompletionMode(QCompleter::InlineCompletion);
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70 | lineEdit()->setCompleter(completer);
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71 |
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72 | connect(lineEdit(), SIGNAL(returnPressed()), SLOT(searchNow()));
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73 | setInactiveText(tr("Google"));
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74 | load();
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75 | }
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76 |
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77 | ToolbarSearch::~ToolbarSearch()
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78 | {
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79 | m_autosaver->saveIfNeccessary();
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80 | }
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81 |
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82 | void ToolbarSearch::save()
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83 | {
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84 | QSettings settings;
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85 | settings.beginGroup(QLatin1String("toolbarsearch"));
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86 | settings.setValue(QLatin1String("recentSearches"), m_stringListModel->stringList());
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87 | settings.setValue(QLatin1String("maximumSaved"), m_maxSavedSearches);
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88 | settings.endGroup();
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89 | }
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90 |
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91 | void ToolbarSearch::load()
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92 | {
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93 | QSettings settings;
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94 | settings.beginGroup(QLatin1String("toolbarsearch"));
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95 | QStringList list = settings.value(QLatin1String("recentSearches")).toStringList();
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96 | m_maxSavedSearches = settings.value(QLatin1String("maximumSaved"), m_maxSavedSearches).toInt();
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97 | m_stringListModel->setStringList(list);
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98 | settings.endGroup();
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99 | }
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100 |
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101 | void ToolbarSearch::searchNow()
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102 | {
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103 | QString searchText = lineEdit()->text();
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104 | QStringList newList = m_stringListModel->stringList();
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105 | if (newList.contains(searchText))
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106 | newList.removeAt(newList.indexOf(searchText));
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107 | newList.prepend(searchText);
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108 | if (newList.size() >= m_maxSavedSearches)
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109 | newList.removeLast();
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110 |
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111 | QWebSettings *globalSettings = QWebSettings::globalSettings();
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112 | if (!globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
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113 | m_stringListModel->setStringList(newList);
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114 | m_autosaver->changeOccurred();
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115 | }
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116 |
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117 | QUrl url(QLatin1String("http://www.google.com/search"));
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118 | url.addQueryItem(QLatin1String("q"), searchText);
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119 | url.addQueryItem(QLatin1String("ie"), QLatin1String("UTF-8"));
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120 | url.addQueryItem(QLatin1String("oe"), QLatin1String("UTF-8"));
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121 | url.addQueryItem(QLatin1String("client"), QLatin1String("qtdemobrowser"));
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122 | emit search(url);
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123 | }
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124 |
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125 | void ToolbarSearch::aboutToShowMenu()
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126 | {
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127 | lineEdit()->selectAll();
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128 | QMenu *m = menu();
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129 | m->clear();
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130 | QStringList list = m_stringListModel->stringList();
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131 | if (list.isEmpty()) {
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132 | m->addAction(tr("No Recent Searches"));
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133 | return;
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134 | }
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135 |
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136 | QAction *recent = m->addAction(tr("Recent Searches"));
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137 | recent->setEnabled(false);
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138 | for (int i = 0; i < list.count(); ++i) {
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139 | QString text = list.at(i);
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140 | m->addAction(text)->setData(text);
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141 | }
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142 | m->addSeparator();
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143 | m->addAction(tr("Clear Recent Searches"), this, SLOT(clear()));
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144 | }
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145 |
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146 | void ToolbarSearch::triggeredMenuAction(QAction *action)
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147 | {
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148 | QVariant v = action->data();
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149 | if (v.canConvert<QString>()) {
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150 | QString text = v.toString();
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151 | lineEdit()->setText(text);
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152 | searchNow();
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153 | }
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154 | }
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155 |
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156 | void ToolbarSearch::clear()
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157 | {
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158 | m_stringListModel->setStringList(QStringList());
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159 | m_autosaver->changeOccurred();;
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160 | }
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161 |
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