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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <QtWidgets/private/qtwidgetsglobal_p.h>
#include "QtCore/qbasictimer.h"
#include "QtCore/qelapsedtimer.h"
#include "private/qwidget_p.h"
#include "qstyle.h"
QT_REQUIRE_CONFIG(abstractslider);
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;
int singleStepFromItemView; // If we have itemViews we track the views preferred singleStep value.
bool viewMayChangeSingleStep;
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
;
}
void itemviewChangeSingleStep(int step);
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, nullptr, 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
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