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 /* This file is part of the KDE project
  *
  * Copyright (C) 2008 Bernhard Beschow <bbeschow AT cs DOT tu-berlin DOT de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 #ifndef _khtml_viewbar_h_
 #define _khtml_viewbar_h_
 
 #include <QWidget>
 
 class KHTMLView;
 class KHTMLViewBarWidget;
 
 class KHTMLViewBar : public QWidget
 {
     Q_OBJECT
 public:
     enum Position {
         Top,
         Bottom
     };
 
     KHTMLViewBar(Position position, KHTMLView *view, QWidget *parent);
 
     /**
      * Adds a widget to this viewbar.
      * Widget is initially invisible, you should call showBarWidget, to show it.
      * Several widgets can be added to the bar, but only one can be visible
      */
     void addBarWidget(KHTMLViewBarWidget *newBarWidget);
 
     /**
      * Shows barWidget that was previously added with addBarWidget.
      * @see hideCurrentBarWidget
      */
     void showBarWidget(KHTMLViewBarWidget *barWidget);
 
     /**
      * Adds widget that will be always shown in the viewbar.
      * After adding permanent widget viewbar is immediately shown.
      * ViewBar with permanent widget won't hide itself
      * until permanent widget is removed.
      * OTOH showing/hiding regular barWidgets will work as usual
      * (they will be shown above permanent widget)
      *
      * If permanent widget already exists, new one replaces old one
      * Old widget is not deleted, caller can do it if it wishes
      */
     void addPermanentBarWidget(KHTMLViewBarWidget *barWidget);
 
     /**
      * Removes permanent bar widget from viewbar.
      * If no other viewbar widgets are shown, viewbar gets hidden.
      *
      * barWidget is not deleted, caller must do it if it wishes
      */
     void removePermanentBarWidget(KHTMLViewBarWidget *barWidget);
 
     /**
      * @return if viewbar has permanent widget @p barWidget
      */
     bool hasPermanentWidget(KHTMLViewBarWidget *barWidget) const;
 
 public Q_SLOTS:
     /**
      * Hides currently shown bar widget
      */
     void hideCurrentBarWidget();
 
 protected:
     void keyPressEvent(QKeyEvent *event) override;
     void hideEvent(QHideEvent *event) override;
 
 private:
     bool hasWidget(KHTMLViewBarWidget *) const;
 
     /**
      * Shows or hides whole viewbar
      */
     void setViewBarVisible(bool visible);
 
 private:
     KHTMLView *m_view;
     KHTMLViewBarWidget *m_permanentBarWidget;
 };
 
 #endif