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
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** 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
  ** Public license version 3 or any later version approved by the KDE Free
  ** Qt Foundation. The licenses are as published by the Free Software
  ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
  ** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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  ****************************************************************************/
  
  #ifndef QTOOLBUTTON_H
  #define QTOOLBUTTON_H
  
  #include <QtWidgets/qtwidgetsglobal.h>
  
  #include <QtWidgets/qabstractbutton.h>
  
  QT_REQUIRE_CONFIG(toolbutton);
  
  QT_BEGIN_NAMESPACE
  
  class QToolButtonPrivate;
  class QMenu;
  class QStyleOptionToolButton;
  
  class Q_WIDGETS_EXPORT QToolButton : public QAbstractButton
  {
      Q_OBJECT
      Q_ENUMS(Qt::ToolButtonStyle Qt::ArrowType)
  #if QT_CONFIG(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 = nullptr);
      ~QToolButton();
  
      QSize sizeHint() const override;
      QSize minimumSizeHint() const override;
  
      Qt::ToolButtonStyle toolButtonStyle() const;
  
      Qt::ArrowType arrowType() const;
      void setArrowType(Qt::ArrowType type);
  
  #if QT_CONFIG(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:
  #if QT_CONFIG(menu)
      void showMenu();
  #endif
      void setToolButtonStyle(Qt::ToolButtonStyle style);
      void setDefaultAction(QAction *);
  
  Q_SIGNALS:
      void triggered(QAction *);
  
  protected:
      bool event(QEvent *e) override;
      void mousePressEvent(QMouseEvent *) override;
      void mouseReleaseEvent(QMouseEvent *) override;
      void paintEvent(QPaintEvent *) override;
      void actionEvent(QActionEvent *) override;
  
      void enterEvent(QEvent *) override;
      void leaveEvent(QEvent *) override;
      void timerEvent(QTimerEvent *) override;
      void changeEvent(QEvent *) override;
  
      bool hitButton(const QPoint &pos) const override;
      void nextCheckState() override;
      void initStyleOption(QStyleOptionToolButton *option) const;
  
  private:
      Q_DISABLE_COPY(QToolButton)
      Q_DECLARE_PRIVATE(QToolButton)
  #if QT_CONFIG(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())
  
  };
  
  QT_END_NAMESPACE
  
  #endif // QTOOLBUTTON_H
  