text: /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the QtWidgets module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** 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 2.1 or version 3 as published by the Free
  ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
  ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
  ** following information to ensure the GNU Lesser General Public License
  ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
  ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
  **
  ** As a special exception, The Qt Company gives you certain additional
  ** rights. These rights are described in The Qt Company LGPL Exception
  ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef QTOOLBUTTON_H
  #define QTOOLBUTTON_H
  
  #include <QtWidgets/qabstractbutton.h>
  
  QT_BEGIN_NAMESPACE
  
  
  #ifndef QT_NO_TOOLBUTTON
  
  class QToolButtonPrivate;
  class QMenu;
  class QStyleOptionToolButton;
  
  class Q_WIDGETS_EXPORT QToolButton : public QAbstractButton
  {
      Q_OBJECT
      Q_ENUMS(Qt::ToolButtonStyle Qt::ArrowType)
  #ifndef QT_NO_MENU
      Q_PROPERTY(ToolButtonPopupMode popupMode READ popupMode WRITE setPopupMode)
  #endif
      Q_PROPERTY(Qt::ToolButtonStyle toolButtonStyle READ toolButtonStyle WRITE setToolButtonStyle)
      Q_PROPERTY(bool autoRaise READ autoRaise WRITE setAutoRaise)
      Q_PROPERTY(Qt::ArrowType arrowType READ arrowType WRITE setArrowType)
  
  public:
      enum ToolButtonPopupMode {
          DelayedPopup,
          MenuButtonPopup,
          InstantPopup
      };
      Q_ENUM(ToolButtonPopupMode)
  
      explicit QToolButton(QWidget *parent = Q_NULLPTR);
      ~QToolButton();
  
      QSize sizeHint() const Q_DECL_OVERRIDE;
      QSize minimumSizeHint() const Q_DECL_OVERRIDE;
  
      Qt::ToolButtonStyle toolButtonStyle() const;
  
      Qt::ArrowType arrowType() const;
      void setArrowType(Qt::ArrowType type);
  
  #ifndef QT_NO_MENU
      void setMenu(QMenu* menu);
      QMenu* menu() const;
  
      void setPopupMode(ToolButtonPopupMode mode);
      ToolButtonPopupMode popupMode() const;
  #endif
  
      QAction *defaultAction() const;
  
      void setAutoRaise(bool enable);
      bool autoRaise() const;
  
  public Q_SLOTS:
  #ifndef QT_NO_MENU
      void showMenu();
  #endif
      void setToolButtonStyle(Qt::ToolButtonStyle style);
      void setDefaultAction(QAction *);
  
  Q_SIGNALS:
      void triggered(QAction *);
  
  protected:
      bool event(QEvent *e) Q_DECL_OVERRIDE;
      void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
      void mouseReleaseEvent(QMouseEvent *) Q_DECL_OVERRIDE;
      void paintEvent(QPaintEvent *) Q_DECL_OVERRIDE;
      void actionEvent(QActionEvent *) Q_DECL_OVERRIDE;
  
      void enterEvent(QEvent *) Q_DECL_OVERRIDE;
      void leaveEvent(QEvent *) Q_DECL_OVERRIDE;
      void timerEvent(QTimerEvent *) Q_DECL_OVERRIDE;
      void changeEvent(QEvent *) Q_DECL_OVERRIDE;
  
      bool hitButton(const QPoint &pos) const Q_DECL_OVERRIDE;
      void nextCheckState() Q_DECL_OVERRIDE;
      void initStyleOption(QStyleOptionToolButton *option) const;
  
  private:
      Q_DISABLE_COPY(QToolButton)
      Q_DECLARE_PRIVATE(QToolButton)
  #ifndef QT_NO_MENU
      Q_PRIVATE_SLOT(d_func(), void _q_buttonPressed())
      Q_PRIVATE_SLOT(d_func(), void _q_buttonReleased())
      Q_PRIVATE_SLOT(d_func(), void _q_updateButtonDown())
      Q_PRIVATE_SLOT(d_func(), void _q_menuTriggered(QAction*))
  #endif
      Q_PRIVATE_SLOT(d_func(), void _q_actionTriggered())
  
  };
  
  #endif // QT_NO_TOOLBUTTON
  
  QT_END_NAMESPACE
  
  #endif // QTOOLBUTTON_H
  