Long live Qt 4.5!

1 files changed, 161 insertions, 0 deletions

diff --git a/demos/browser/toolbarsearch.cpp b/demos/browser/toolbarsearch.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@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();;
+}
+