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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 QSPLITTER_H
#define QSPLITTER_H
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qframe.h>
#include <QtWidgets/qsizepolicy.h>
QT_REQUIRE_CONFIG(splitter);
QT_BEGIN_NAMESPACE
class QSplitterPrivate;
class QTextStream;
class QSplitterHandle;
class Q_WIDGETS_EXPORT QSplitter : public QFrame
{
Q_OBJECT
Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
Q_PROPERTY(bool opaqueResize READ opaqueResize WRITE setOpaqueResize)
Q_PROPERTY(int handleWidth READ handleWidth WRITE setHandleWidth)
Q_PROPERTY(bool childrenCollapsible READ childrenCollapsible WRITE setChildrenCollapsible)
public:
explicit QSplitter(QWidget* parent = nullptr);
explicit QSplitter(Qt::Orientation, QWidget* parent = nullptr);
~QSplitter();
void addWidget(QWidget *widget);
void insertWidget(int index, QWidget *widget);
QWidget *replaceWidget(int index, QWidget *widget);
void setOrientation(Qt::Orientation);
Qt::Orientation orientation() const;
void setChildrenCollapsible(bool);
bool childrenCollapsible() const;
void setCollapsible(int index, bool);
bool isCollapsible(int index) const;
void setOpaqueResize(bool opaque = true);
bool opaqueResize() const;
void refresh();
QSize sizeHint() const override;
QSize minimumSizeHint() const override;
QList<int> sizes() const;
void setSizes(const QList<int> &list);
QByteArray saveState() const;
bool restoreState(const QByteArray &state);
int handleWidth() const;
void setHandleWidth(int);
int indexOf(QWidget *w) const;
QWidget *widget(int index) const;
int count() const;
void getRange(int index, int *, int *) const;
QSplitterHandle *handle(int index) const;
void setStretchFactor(int index, int stretch);
Q_SIGNALS:
void splitterMoved(int pos, int index);
protected:
virtual QSplitterHandle *createHandle();
void childEvent(QChildEvent *) override;
bool event(QEvent *) override;
void resizeEvent(QResizeEvent *) override;
void changeEvent(QEvent *) override;
void moveSplitter(int pos, int index);
void setRubberBand(int position);
int closestLegalPosition(int, int);
private:
Q_DISABLE_COPY(QSplitter)
Q_DECLARE_PRIVATE(QSplitter)
private:
friend class QSplitterHandle;
};
class QSplitterHandlePrivate;
class Q_WIDGETS_EXPORT QSplitterHandle : public QWidget
{
Q_OBJECT
public:
explicit QSplitterHandle(Qt::Orientation o, QSplitter *parent);
~QSplitterHandle();
void setOrientation(Qt::Orientation o);
Qt::Orientation orientation() const;
bool opaqueResize() const;
QSplitter *splitter() const;
QSize sizeHint() const override;
protected:
void paintEvent(QPaintEvent *) override;
void mouseMoveEvent(QMouseEvent *) override;
void mousePressEvent(QMouseEvent *) override;
void mouseReleaseEvent(QMouseEvent *) override;
void resizeEvent(QResizeEvent *) override;
bool event(QEvent *) override;
void moveSplitter(int p);
int closestLegalPosition(int p);
private:
Q_DISABLE_COPY(QSplitterHandle)
Q_DECLARE_PRIVATE(QSplitterHandle)
};
QT_END_NAMESPACE
#endif // QSPLITTER_H
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