Mac: refactor scrollbar animations

Get rid of QWidget-centric QMacStyle::eventFilter() and implement the
fade out animations for scrollbars using QNumberStyleAnimation-based
QFadeOutAnimation.

Change-Id: I2000fa50d46b153e981ceafc12a53932a196382e
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/widgets/widgets/qscrollbar_p.h b/src/widgets/widgets/qscrollbar_p.h
new file mode 100644
index 0000000000..fb4f5b07da
--- /dev/null
+++ b/src/widgets/widgets/qscrollbar_p.h
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSCROLLBAR_P_H
+#define QSCROLLBAR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qabstractslider_p.h"
+#include "qstyle.h"
+
+QT_BEGIN_NAMESPACE
+
+class QScrollBarPrivate : public QAbstractSliderPrivate
+{
+    Q_DECLARE_PUBLIC(QScrollBar)
+public:
+    QStyle::SubControl pressedControl;
+    bool pointerOutsidePressedControl;
+
+    int clickOffset, snapBackPosition;
+
+    void activateControl(uint control, int threshold = 500);
+    void stopRepeatAction();
+    int pixelPosToRangeValue(int pos) const;
+    void init();
+    bool updateHoverControl(const QPoint &pos);
+    QStyle::SubControl newHoverControl(const QPoint &pos);
+
+    QStyle::SubControl hoverControl;
+    QRect hoverRect;
+
+    bool transient;
+    void setTransient(bool value);
+
+    bool flashed;
+    void flash();
+};
+
+QT_END_NAMESPACE
+
+#endif // QSCROLLBAR_P_H