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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information
** to ensure GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
#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();;
}
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