text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtWidgets module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
  ** 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
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  ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
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  ** information to ensure the GNU General Public License requirements will
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  ****************************************************************************/
  
  #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 DESIGNABLE isCheckable NOTIFY toggled USER true)
  public:
      explicit QGroupBox(QWidget *parent = Q_NULLPTR);
      explicit QGroupBox(const QString &title, QWidget *parent = Q_NULLPTR);
      ~QGroupBox();
  
      QString title() const;
      void setTitle(const QString &title);
  
      Qt::Alignment alignment() const;
      void setAlignment(int alignment);
  
      QSize minimumSizeHint() const Q_DECL_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) Q_DECL_OVERRIDE;
      void childEvent(QChildEvent *event) Q_DECL_OVERRIDE;
      void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
      void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
      void focusInEvent(QFocusEvent *event) Q_DECL_OVERRIDE;
      void changeEvent(QEvent *event) Q_DECL_OVERRIDE;
      void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
      void mouseMoveEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
      void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
      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
  