/******************************************************************************** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the demonstration applications of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 as published by the Free Software** Foundation and appearing in the file LICENSE.LGPL included in the** packaging of this file. Please review the following information to** ensure the GNU Lesser General Public License version 2.1 requirements** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#include "toolbarsearch.h"#include "autosaver.h"#include <QtCore/QSettings>#include <QtCore/QUrl>#include <QtGui/QCompleter>#include <QtGui/QMenu>#include <QtGui/QStringListModel>#include <QtWebKit/QWebSettings>/* ToolbarSearch is a very basic search widget that also contains a small history. Searches are turned into urls that use Google to perform search */ToolbarSearch::ToolbarSearch(QWidget *parent) : SearchLineEdit(parent) , m_autosaver(new AutoSaver(this)) , m_maxSavedSearches(10) , m_stringListModel(new QStringListModel(this)){ QMenu *m = menu(); connect(m, SIGNAL(aboutToShow()), this, SLOT(aboutToShowMenu())); connect(m, SIGNAL(triggered(QAction*)), this, SLOT(triggeredMenuAction(QAction*))); QCompleter *completer = new QCompleter(m_stringListModel, this); completer->setCompletionMode(QCompleter::InlineCompletion); lineEdit()->setCompleter(completer); connect(lineEdit(), SIGNAL(returnPressed()), SLOT(searchNow())); setInactiveText(tr("Google")); load();}ToolbarSearch::~ToolbarSearch(){ m_autosaver->saveIfNeccessary();}void ToolbarSearch::save(){ QSettings settings; settings.beginGroup(QLatin1String("toolbarsearch")); settings.setValue(QLatin1String("recentSearches"), m_stringListModel->stringList()); settings.setValue(QLatin1String("maximumSaved"), m_maxSavedSearches); settings.endGroup();}void ToolbarSearch::load(){ QSettings settings; settings.beginGroup(QLatin1String("toolbarsearch")); QStringList list = settings.value(QLatin1String("recentSearches")).toStringList(); m_maxSavedSearches = settings.value(QLatin1String("maximumSaved"), m_maxSavedSearches).toInt(); m_stringListModel->setStringList(list); settings.endGroup();}void ToolbarSearch::searchNow(){ QString searchText = lineEdit()->text(); QStringList newList = m_stringListModel->stringList(); if (newList.contains(searchText)) newList.removeAt(newList.indexOf(searchText)); newList.prepend(searchText); if (newList.size() >= m_maxSavedSearches) newList.removeLast(); QWebSettings *globalSettings = QWebSettings::globalSettings(); if (!globalSettings->testAttribute(QWebSettings::PrivateBrowsingEnabled)) { m_stringListModel->setStringList(newList); m_autosaver->changeOccurred(); } QUrl url(QLatin1String("http://www.google.com/search")); url.addQueryItem(QLatin1String("q"), searchText); url.addQueryItem(QLatin1String("ie"), QLatin1String("UTF-8")); url.addQueryItem(QLatin1String("oe"), QLatin1String("UTF-8")); url.addQueryItem(QLatin1String("client"), QLatin1String("qtdemobrowser")); emit search(url);}void ToolbarSearch::aboutToShowMenu(){ lineEdit()->selectAll(); QMenu *m = menu(); m->clear(); QStringList list = m_stringListModel->stringList(); if (list.isEmpty()) { m->addAction(tr("No Recent Searches")); return; } QAction *recent = m->addAction(tr("Recent Searches")); recent->setEnabled(false); for (int i = 0; i < list.count(); ++i) { QString text = list.at(i); m->addAction(text)->setData(text); } m->addSeparator(); m->addAction(tr("Clear Recent Searches"), this, SLOT(clear()));}void ToolbarSearch::triggeredMenuAction(QAction *action){ QVariant v = action->data(); if (v.canConvert<QString>()) { QString text = v.toString(); lineEdit()->setText(text); searchNow(); }}void ToolbarSearch::clear(){ m_stringListModel->setStringList(QStringList()); m_autosaver->changeOccurred();;}