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+/****************************************************************************
+**
+** 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 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 QABSTRACTSLIDER_P_H
+#define QABSTRACTSLIDER_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 "QtCore/qbasictimer.h"
+#include "QtCore/qelapsedtimer.h"
+#include "private/qwidget_p.h"
+#include "qstyle.h"
+
+QT_BEGIN_NAMESPACE
+
+class QAbstractSliderPrivate : public QWidgetPrivate
+{
+ Q_DECLARE_PUBLIC(QAbstractSlider)
+public:
+ QAbstractSliderPrivate();
+ ~QAbstractSliderPrivate();
+
+ void setSteps(int single, int page);
+
+ int minimum, maximum, pageStep, value, position, pressValue;
+
+ /**
+ * Call effectiveSingleStep() when changing the slider value.
+ */
+ int singleStep;
+
+ float offset_accumulated;
+ uint tracking : 1;
+ uint blocktracking :1;
+ uint pressed : 1;
+ uint invertedAppearance : 1;
+ uint invertedControls : 1;
+ Qt::Orientation orientation;
+
+ QBasicTimer repeatActionTimer;
+ int repeatActionTime;
+ QAbstractSlider::SliderAction repeatAction;
+
+#ifdef QT_KEYPAD_NAVIGATION
+ int origValue;
+
+ /**
+ */
+ bool isAutoRepeating;
+
+ /**
+ * When we're auto repeating, we multiply singleStep with this value to
+ * get our effective step.
+ */
+ qreal repeatMultiplier;
+
+ /**
+ * The time of when the first auto repeating key press event occurs.
+ */
+ QElapsedTimer firstRepeat;
+
+#endif
+
+ inline int effectiveSingleStep() const
+ {
+ return singleStep
+#ifdef QT_KEYPAD_NAVIGATION
+ * repeatMultiplier
+#endif
+ ;
+ }
+
+ virtual int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }
+ inline int overflowSafeAdd(int add) const
+ {
+ int newValue = value + add;
+ if (add > 0 && newValue < value)
+ newValue = maximum;
+ else if (add < 0 && newValue > value)
+ newValue = minimum;
+ return newValue;
+ }
+ inline void setAdjustedSliderPosition(int position)
+ {
+ Q_Q(QAbstractSlider);
+ if (q->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, q)) {
+ if ((position > pressValue - 2 * pageStep) && (position < pressValue + 2 * pageStep)) {
+ repeatAction = QAbstractSlider::SliderNoAction;
+ q->setSliderPosition(pressValue);
+ return;
+ }
+ }
+ q->triggerAction(repeatAction);
+ }
+ bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);
+};
+
+QT_END_NAMESPACE
+
+#endif // QABSTRACTSLIDER_P_H