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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKSCROLLBAR_P_P_H
#define QQUICKSCROLLBAR_P_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 <QtQuickTemplates2/private/qquickscrollbar_p.h>
#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
#include <QtQuick/private/qquickitemchangelistener_p.h>
QT_BEGIN_NAMESPACE
class QQuickFlickable;
class QQuickScrollBarPrivate : public QQuickControlPrivate
{
Q_DECLARE_PUBLIC(QQuickScrollBar)
public:
static QQuickScrollBarPrivate *get(QQuickScrollBar *bar)
{
return bar->d_func();
}
struct VisualArea
{
VisualArea(qreal pos, qreal sz)
: position(pos), size(sz) { }
qreal position = 0;
qreal size = 0;
};
VisualArea visualArea() const;
qreal logicalPosition(qreal position) const;
qreal snapPosition(qreal position) const;
qreal positionAt(const QPointF &point) const;
void setInteractive(bool interactive);
void updateActive();
void resizeContent() override;
void handlePress(const QPointF &point) override;
void handleMove(const QPointF &point) override;
void handleRelease(const QPointF &point) override;
void handleUngrab() override;
void visualAreaChange(const VisualArea &newVisualArea, const VisualArea &oldVisualArea);
qreal size = 0;
qreal position = 0;
qreal stepSize = 0;
qreal offset = 0;
qreal minimumSize = 0;
bool active = false;
bool pressed = false;
bool moving = false;
bool interactive = true;
bool explicitInteractive = false;
Qt::Orientation orientation = Qt::Vertical;
QQuickScrollBar::SnapMode snapMode = QQuickScrollBar::NoSnap;
QQuickScrollBar::Policy policy = QQuickScrollBar::AsNeeded;
};
class QQuickScrollBarAttachedPrivate : public QObjectPrivate, public QQuickItemChangeListener
{
public:
static QQuickScrollBarAttachedPrivate *get(QQuickScrollBarAttached *attached)
{
return attached->d_func();
}
void setFlickable(QQuickFlickable *flickable);
void initHorizontal();
void initVertical();
void cleanupHorizontal();
void cleanupVertical();
void activateHorizontal();
void activateVertical();
void scrollHorizontal();
void scrollVertical();
void mirrorVertical();
void layoutHorizontal(bool move = true);
void layoutVertical(bool move = true);
void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &diff) override;
void itemImplicitWidthChanged(QQuickItem *item) override;
void itemImplicitHeightChanged(QQuickItem *item) override;
void itemDestroyed(QQuickItem *item) override;
QQuickFlickable *flickable = nullptr;
QQuickScrollBar *horizontal = nullptr;
QQuickScrollBar *vertical = nullptr;
};
QT_END_NAMESPACE
#endif // QQUICKSCROLLBAR_P_P_H
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