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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 QSCROLLAREA_H
#define QSCROLLAREA_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qabstractscrollarea.h>
QT_REQUIRE_CONFIG(scrollarea);
QT_BEGIN_NAMESPACE
class QScrollAreaPrivate;
class Q_WIDGETS_EXPORT QScrollArea : public QAbstractScrollArea
{
Q_OBJECT
Q_PROPERTY(bool widgetResizable READ widgetResizable WRITE setWidgetResizable)
Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
public:
explicit QScrollArea(QWidget *parent = nullptr);
~QScrollArea();
QWidget *widget() const;
void setWidget(QWidget *widget);
QWidget *takeWidget();
bool widgetResizable() const;
void setWidgetResizable(bool resizable);
QSize sizeHint() const override;
bool focusNextPrevChild(bool next) override;
Qt::Alignment alignment() const;
void setAlignment(Qt::Alignment);
void ensureVisible(int x, int y, int xmargin = 50, int ymargin = 50);
void ensureWidgetVisible(QWidget *childWidget, int xmargin = 50, int ymargin = 50);
protected:
QScrollArea(QScrollAreaPrivate &dd, QWidget *parent = nullptr);
bool event(QEvent *) override;
bool eventFilter(QObject *, QEvent *) override;
void resizeEvent(QResizeEvent *) override;
void scrollContentsBy(int dx, int dy) override;
QSize viewportSizeHint() const override;
private:
Q_DECLARE_PRIVATE(QScrollArea)
Q_DISABLE_COPY(QScrollArea)
};
QT_END_NAMESPACE
#endif // QSCROLLAREA_H
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