QScroller merge, part 1

This merge consists of the actual kinetic scroller implementation, its
autotests plus a few examples.  QAbstractScrollArea and QAbstractItemView
have been extended to support the new scroll events.

The complete history is in
http://scm.dev.nokia.troll.no/projects/qt/repos/rgriebls-qt-flickgesture/logs/4.7-flickgesture

(part 2 is the QML Flickable replacement / part 3 is QWebView support)

Task-number: QTBUG-9054
Reviewed-by: Ralf Engels

1 files changed, 113 insertions, 0 deletions

diff --git a/src/gui/util/qflickgesture_p.h b/src/gui/util/qflickgesture_p.h
new file mode 100644
index 0000000..c3c263b
--- /dev/null
+++ b/src/gui/util/qflickgesture_p.h
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** 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 QtGui module 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFLICKGESTURE_P_H
+#define QFLICKGESTURE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qevent.h"
+#include "qgesturerecognizer.h"
+#include "private/qgesture_p.h"
+#include "qscroller.h"
+#include "qscopedpointer.h"
+
+#ifndef QT_NO_GESTURES
+
+QT_BEGIN_NAMESPACE
+
+class QFlickGesturePrivate;
+class QGraphicsItem;
+
+class Q_GUI_EXPORT QFlickGesture : public QGesture
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QFlickGesture)
+
+public:
+    QFlickGesture(QObject *receiver, Qt::MouseButton button, QObject *parent = 0);
+    ~QFlickGesture();
+
+    friend class QFlickGestureRecognizer;
+};
+
+class PressDelayHandler;
+
+class QFlickGesturePrivate : public QGesturePrivate
+{
+    Q_DECLARE_PUBLIC(QFlickGesture)
+public:
+    QFlickGesturePrivate();
+
+    QPointer<QObject> receiver;
+    QScroller *receiverScroller;
+    Qt::MouseButton button; // NoButton == Touch
+    bool macIgnoreWheel;
+    static PressDelayHandler *pressDelayHandler;
+};
+
+class QFlickGestureRecognizer : public QGestureRecognizer
+{
+public:
+    QFlickGestureRecognizer(Qt::MouseButton button);
+
+    QGesture *create(QObject *target);
+    QGestureRecognizer::Result recognize(QGesture *state, QObject *watched, QEvent *event);
+    void reset(QGesture *state);
+
+private:
+    Qt::MouseButton button; // NoButton == Touch
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_GESTURES
+
+#endif // QFLICKGESTURE_P_H