qgroupbox.h

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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 QGROUPBOX_H
#define QGROUPBOX_H
 
#include <QtWidgets/qtwidgetsglobal.h>
#include <QtWidgets/qframe.h>
 
QT_REQUIRE_CONFIG(groupbox);
 
QT_BEGIN_NAMESPACE
 
class QGroupBoxPrivate;
class QStyleOptionGroupBox;
class Q_WIDGETS_EXPORT QGroupBox : public QWidget
{
    Q_OBJECT
 
    Q_PROPERTY(QString title READ title WRITE setTitle)
    Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment)
    Q_PROPERTY(bool flat READ isFlat WRITE setFlat)
    Q_PROPERTY(bool checkable READ isCheckable WRITE setCheckable)
    Q_PROPERTY(bool checked READ isChecked WRITE setChecked NOTIFY toggled USER true)
public:
    explicit QGroupBox(QWidget *parent = nullptr);
    explicit QGroupBox(const QString &title, QWidget *parent = nullptr);
    ~QGroupBox();
 
    QString title() const;
    void setTitle(const QString &title);
 
    Qt::Alignment alignment() const;
    void setAlignment(int alignment);
 
    QSize minimumSizeHint() const override;
 
    bool isFlat() const;
    void setFlat(bool flat);
    bool isCheckable() const;
    void setCheckable(bool checkable);
    bool isChecked() const;
 
public Q_SLOTS:
    void setChecked(bool checked);
 
Q_SIGNALS:
    void clicked(bool checked = false);
    void toggled(bool);
 
protected:
    bool event(QEvent *event) override;
    void childEvent(QChildEvent *event) override;
    void resizeEvent(QResizeEvent *event) override;
    void paintEvent(QPaintEvent *event) override;
    void focusInEvent(QFocusEvent *event) override;
    void changeEvent(QEvent *event) override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    virtual void initStyleOption(QStyleOptionGroupBox *option) const;
 
 
private:
    Q_DISABLE_COPY(QGroupBox)
    Q_DECLARE_PRIVATE(QGroupBox)
    Q_PRIVATE_SLOT(d_func(), void _q_setChildrenEnabled(bool b))
};
 
QT_END_NAMESPACE
 
#endif // QGROUPBOX_H