examples/declarative/cppextensions/qwidgets/qwidgets.cpp
changeset 30 5dc02b23752f
child 33 3e2da88830cd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/declarative/cppextensions/qwidgets/qwidgets.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtDeclarative/QDeclarativeExtensionPlugin>
+#include <QtDeclarative/qdeclarative.h>
+#include <QtGui/QGraphicsProxyWidget>
+#include <QtGui/QPushButton>
+#include <QDebug>
+
+class MyPushButton : public QGraphicsProxyWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
+
+public:
+    MyPushButton(QGraphicsItem* parent = 0)
+        : QGraphicsProxyWidget(parent)
+    {
+        widget = new QPushButton("MyPushButton");
+        widget->setAttribute(Qt::WA_NoSystemBackground);
+        setWidget(widget);
+
+        QObject::connect(widget, SIGNAL(clicked(bool)), this, SIGNAL(clicked(bool)));
+    }
+
+    QString text() const
+    {
+        return widget->text();
+    }
+
+    void setText(const QString& text)
+    {
+        if (text != widget->text()) {
+            widget->setText(text);
+            emit textChanged();
+        }
+    }
+
+Q_SIGNALS:
+    void clicked(bool);
+    void textChanged();
+
+private:
+    QPushButton *widget;
+};
+
+class QWidgetsPlugin : public QDeclarativeExtensionPlugin
+{
+    Q_OBJECT
+public:
+    void registerTypes(const char *uri)
+    {
+        qmlRegisterType<MyPushButton>(uri, 1, 0, "MyPushButton");
+    }
+};
+
+#include "qwidgets.moc"
+
+Q_EXPORT_PLUGIN2(qwidgetsplugin, QWidgetsPlugin);