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/****************************************************************************
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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****************************************************************************/
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#ifndef QABSTRACTSLIDER_P_H
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#define QABSTRACTSLIDER_P_H
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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#include "QtCore/qbasictimer.h"
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#include "QtCore/qelapsedtimer.h"
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#include "private/qwidget_p.h"
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class QAbstractSliderPrivate : public QWidgetPrivate
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Q_DECLARE_PUBLIC(QAbstractSlider)
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QAbstractSliderPrivate();
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~QAbstractSliderPrivate();
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void setSteps(int single, int page);
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int minimum, maximum, pageStep, value, position, pressValue;
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* Call effectiveSingleStep() when changing the slider value.
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float offset_accumulated;
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uint blocktracking :1;
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uint invertedAppearance : 1;
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uint invertedControls : 1;
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Qt::Orientation orientation;
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QBasicTimer repeatActionTimer;
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QAbstractSlider::SliderAction repeatAction;
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#ifdef QT_KEYPAD_NAVIGATION
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* When we're auto repeating, we multiply singleStep with this value to
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* get our effective step.
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qreal repeatMultiplier;
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* The time of when the first auto repeating key press event occurs.
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QElapsedTimer firstRepeat;
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inline int effectiveSingleStep() const
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#ifdef QT_KEYPAD_NAVIGATION
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virtual int bound(int val) const { return qMax(minimum, qMin(maximum, val)); }
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inline int overflowSafeAdd(int add) const
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int newValue = value + add;
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if (add > 0 && newValue < value)
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else if (add < 0 && newValue > value)
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inline void setAdjustedSliderPosition(int position)
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Q_Q(QAbstractSlider);
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if (q->style()->styleHint(QStyle::SH_Slider_StopMouseOverSlider, 0, q)) {
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if ((position > pressValue - 2 * pageStep) && (position < pressValue + 2 * pageStep)) {
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repeatAction = QAbstractSlider::SliderNoAction;
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q->setSliderPosition(pressValue);
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q->triggerAction(repeatAction);
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bool scrollByDelta(Qt::Orientation orientation, Qt::KeyboardModifiers modifiers, int delta);
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#endif // QABSTRACTSLIDER_P_H