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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "toolbarsearch.h"
#include "autosaver.h"
#include <QtCore/QSettings>
#include <QtCore/QUrl>
#include <QtCore/QUrlQuery>
#include <QtWidgets/QCompleter>
#include <QtWidgets/QMenu>
#include <QtCore/QStringListModel>
#include <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"));
QUrlQuery urlQuery;
urlQuery.addQueryItem(QLatin1String("q"), searchText);
urlQuery.addQueryItem(QLatin1String("ie"), QLatin1String("UTF-8"));
urlQuery.addQueryItem(QLatin1String("oe"), QLatin1String("UTF-8"));
urlQuery.addQueryItem(QLatin1String("client"), QLatin1String("qtdemobrowser"));
url.setQuery(urlQuery);
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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