Add Screen attached object

Use this to get details of the screen such as size and current
orientation.

As well as adding its own example, this commit updates Calculator to
use Screen instead of Runtime for orientation.

Change-Id: I1b73d2ee22a92b1dee827de1bd893eebec9f5817
Reviewed-by: Michael Brasser <michael.brasser@nokia.com>

1 files changed, 105 insertions, 0 deletions

diff --git a/src/quick/items/qquickscreen_p.h b/src/quick/items/qquickscreen_p.h
new file mode 100644
index 0000000000..6c1567ba72
--- /dev/null
+++ b/src/quick/items/qquickscreen_p.h
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQUICKSCREEN_P_H
+#define QQUICKSCREEN_P_H
+
+#include <qdeclarative.h>
+#include <QRect>
+#include <QSize>
+#include <private/qdeclarativeglobal_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+
+class QQuickItem;
+class QQuickCanvas;
+class QScreen;
+
+class Q_AUTOTEST_EXPORT QQuickScreenAttached : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(int width READ width NOTIFY widthChanged)
+    Q_PROPERTY(int height READ height NOTIFY heightChanged)
+    Q_PROPERTY(Qt::ScreenOrientation primaryOrientation READ primaryOrientation NOTIFY primaryOrientationChanged)
+    Q_PROPERTY(Qt::ScreenOrientation currentOrientation READ currentOrientation NOTIFY currentOrientationChanged)
+
+public:
+    QQuickScreenAttached(QObject* attachee);
+
+    int width() const;
+    int height() const;
+    Qt::ScreenOrientation primaryOrientation() const;
+    Qt::ScreenOrientation currentOrientation() const;
+
+    Q_INVOKABLE int angleBetween(Qt::ScreenOrientation a, Qt::ScreenOrientation b);
+
+    void canvasChanged(QQuickCanvas*);
+
+Q_SIGNALS:
+    void widthChanged();
+    void heightChanged();
+    void primaryOrientationChanged();
+    void currentOrientationChanged();
+
+private:
+    QScreen* m_screen;
+    QQuickItem* m_attachee;
+};
+
+class Q_AUTOTEST_EXPORT QQuickScreen : public QObject
+{
+    Q_OBJECT
+public:
+    static QQuickScreenAttached *qmlAttachedProperties(QObject *object){ return new QQuickScreenAttached(object); }
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPEINFO(QQuickScreen, QML_HAS_ATTACHED_PROPERTIES)
+
+QT_END_HEADER
+
+#endif