/*=========================================================================

  Library:   CTK

  Copyright (c) Kitware Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.commontk.org/LICENSE

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

=========================================================================*/

#ifndef __ctkConfirmExitDialog_h
#define __ctkConfirmExitDialog_h

// Qt includes
#include <QDialog>

// CTK includes
#include "ctkWidgetsExport.h"

class ctkConfirmExitDialogPrivate;

///
class CTK_WIDGETS_EXPORT ctkConfirmExitDialog : public QDialog
{
  Q_OBJECT
public:
  typedef QDialog Superclass;
  ctkConfirmExitDialog(QWidget* newParent = 0);
  virtual ~ctkConfirmExitDialog();

  /// Customize the pixmap
  void setPixmap(const QPixmap& pixmap);
  
  /// Customize the text
  void setText(const QString& text);
  
  /// Synchronize the state of the checkbox "Don't show this message again"
  /// with the given settings key.
  void setDontShowAnymoreSettingsKey(const QString& key);
  QString dontShowAnymoreSettingsKey()const;
  
  /// Is the checkbox "Don't show this message again" checked ?
  bool dontShowAnymore()const;

  /// Utility function that opens a dialog to confirm exit.
  static bool confirmExit(const QString& dontShowAgainKey = QString(),
                          QWidget* parentWidget = 0);

  /// Reimplemented for internal reasons
  virtual void setVisible(bool visible);

public slots:
  /// reimplemented for internal reasons
  virtual void accept();

  /// Change the checkbox and the settings if any
  void setDontShowAnymore(bool dontShow);

protected:
  QScopedPointer<ctkConfirmExitDialogPrivate> d_ptr;

private:
  Q_DECLARE_PRIVATE(ctkConfirmExitDialog);
  Q_DISABLE_COPY(ctkConfirmExitDialog);
};

#endif