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Diffstat (limited to 'examples/webkitwidgets/browser/toolbarsearch.cpp')
-rw-r--r-- | examples/webkitwidgets/browser/toolbarsearch.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/examples/webkitwidgets/browser/toolbarsearch.cpp b/examples/webkitwidgets/browser/toolbarsearch.cpp new file mode 100644 index 0000000..33bc51c --- /dev/null +++ b/examples/webkitwidgets/browser/toolbarsearch.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2012 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();; +} + |