text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt Designer of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:GPL-EXCEPT$
  ** 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 General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3 as published by the Free Software
  ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
  ** 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-3.0.html.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #ifndef BUDDYEDITOR_H
  #define BUDDYEDITOR_H
  
  #include "buddyeditor_global.h"
  
  #include <connectionedit_p.h>
  #include <QtCore/QPointer>
  #include <QtCore/QSet>
  
  QT_BEGIN_NAMESPACE
  
  class QDesignerFormWindowInterface;
  
  class QLabel;
  
  namespace qdesigner_internal {
  
  class QT_BUDDYEDITOR_EXPORT BuddyEditor : public ConnectionEdit
  {
      Q_OBJECT
  
  public:
      BuddyEditor(QDesignerFormWindowInterface *form, QWidget *parent);
  
      QDesignerFormWindowInterface *formWindow() const;
      void setBackground(QWidget *background) Q_DECL_OVERRIDE;
      void deleteSelected() Q_DECL_OVERRIDE;
  
  public slots:
      void updateBackground() Q_DECL_OVERRIDE;
      void widgetRemoved(QWidget *w) Q_DECL_OVERRIDE;
      void autoBuddy();
  
  protected:
      QWidget *widgetAt(const QPoint &pos) const Q_DECL_OVERRIDE;
      Connection *createConnection(QWidget *source, QWidget *destination) Q_DECL_OVERRIDE;
      void endConnection(QWidget *target, const QPoint &pos) Q_DECL_OVERRIDE;
      void createContextMenu(QMenu &menu) Q_DECL_OVERRIDE;
  
  private:
      QWidget *findBuddy(QLabel *l, const QWidgetList &existingBuddies) const;
  
      QPointer<QDesignerFormWindowInterface> m_formWindow;
      bool m_updating;
  };
  
  }  // namespace qdesigner_internal
  
  QT_END_NAMESPACE
  
  #endif
  