Mercurial > projects > qtd
view demos/browser/toolbarsearch.d @ 46:fd6eb3a1759d
license
author | eldar |
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date | Sun, 17 May 2009 21:50:06 +0000 |
parents | 71b382c10ef6 |
children | 7bfd46c330dc |
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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. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 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. ** $QT_END_LICENSE$ ** ****************************************************************************/ module toolbarsearch; import searchlineedit; import autosaver; import QtCore.QSettings; import QtCore.QUrl; import QtGui.QCompleter; import QtGui.QMenu; import QtGui.QStringListModel; import QtWebKit/QWebSettings; /* QT_BEGIN_NAMESPACE class QUrl; class QAction; class QStringListModel; QT_END_NAMESPACE class AutoSaver; */ class ToolbarSearch : public SearchLineEdit { Q_OBJECT signals: void search(const QUrl &url); public: /* ToolbarSearch is a very basic search widget that also contains a small history. Searches are turned into urls that use Google to perform search */ this(QWidget *parent = null) { super(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(); } ~this() { m_autosaver.saveIfNeccessary(); } public slots: void clear() { m_stringListModel.setStringList(QStringList()); m_autosaver.changeOccurred();; } void 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); } private slots: void save() { QSettings settings; settings.beginGroup(QLatin1String("toolbarsearch")); settings.setValue(QLatin1String("recentSearches"), m_stringListModel.stringList()); settings.setValue(QLatin1String("maximumSaved"), m_maxSavedSearches); settings.endGroup(); } void 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 triggeredMenuAction(QAction *action) { QVariant v = action.data(); if (v.canConvert<QString>()) { QString text = v.toString(); lineEdit().setText(text); searchNow(); } } private: void 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(); } AutoSaver *m_autosaver; int m_maxSavedSearches; QStringListModel *m_stringListModel; }