diff demos/browser/toolbarsearch.d @ 45:71b382c10ef6

add coarse and incomplete QT browser port
author mandel
date Sun, 17 May 2009 18:49:59 +0000
parents
children 7bfd46c330dc
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/browser/toolbarsearch.d	Sun May 17 18:49:59 2009 +0000
@@ -0,0 +1,191 @@
+/****************************************************************************
+**
+** 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;
+}