File indexing completed on 2024-04-21 14:50:55

 // SPDX-License-Identifier: LGPL-2.1-or-later
 //
 // SPDX-FileCopyrightText: 2005-2007 Torsten Rahn <tackat@kde.org>
 // SPDX-FileCopyrightText: 2007 Inge Wallin <ingwa@kde.org>
 //
 
 //
 // This widget is a control box for the Marble widget.
 //
 
 #ifndef MARBLE_MARBLENAVIGATOR_H
 #define MARBLE_MARBLENAVIGATOR_H
 
 
 #include <QWidget>
 
 #include "marble_export.h"
 
 
 /** @file
  * This file contains the header for MarbleNavigator
  * 
  * @author Torsten Rahn <tackat@kde.org>
  * @author Inge Wallin  <inge@lysator.liu.se>
  */
 
 namespace Marble
 {
 
 class MarbleNavigatorPrivate;
 
 /** 
  * @short A widget class that contains simple controls for a
  * MarbleWidget.
  *
  * This widget lets the user control an instance of MarbleWidget.  The
  * user can control panning and zooming as well as returning to a
  * predefined view called the 'Home' position.  You cannot change the
  * Home position from the MarbleNavigator, though.
  *
  * @see MarbleWidget
  */
 
 class MARBLE_EXPORT MarbleNavigator : public QWidget
 {
     Q_OBJECT
 
  public:
     /**
      * @brief Construct a new MarbleNavigator
      * @param parent the parent widget
      */
     explicit MarbleNavigator(QWidget *parent = nullptr);
     ~MarbleNavigator() override;
  
     /**
      * @brief Return the minimum zoom level set in the widget.
      * @return the minimum zoom level set in the widget.
      */
     int  minimumZoom() const;
     
  Q_SIGNALS:
     /**
      * @brief Signal emitted when the Home button has been pressed.
      */
     void goHome();
     /**
      * @brief Signal emitted when the Zoom In button has been pressed.
      */
     void zoomIn();
     /**
      * @brief Signal emitted when the Zoom Out button has been pressed.
      */
     void zoomOut();
     /**
      * @brief Signal emitted when the zoom slider has been moved.
      * @param zoom  The new zoom value.
      */
     void zoomChanged(int zoom);
 
     /**
      * @brief Signal emitted when the Move Left button has been pressed.
      */
     void moveLeft();
     /**
      * @brief Signal emitted when the Move Right button has been pressed.
      */
     void moveRight();
     /**
      * @brief Signal emitted when the Move Up button has been pressed.
      */
     void moveUp();
     /**
      * @brief Signal emitted when the Move Down button has been pressed.
      */
     void moveDown();
     //void centerOn(const QModelIndex&);
 
  public Q_SLOTS:
     /**
      * @brief Sets the value of the slider.
      * @param zoom The new zoom value.
      *
      * This slot should be called when the zoom value is changed from
      * the widget itself, e.g. by using the scroll wheel.  It sets the
      * value of the slider, but nothing more.  In particular it
      * doesn't emit the zoomChanged signal.
      */
     void changeZoom(int zoom);
 
  protected:
     /**
      * @brief Reimplementation of the resizeEvent() of the widget.  
      *
      * If the MarbleNavigator gets shrunk enough, the slider will be
      * hidden, leaving only the Zoom Up and Zoom Down buttons.
      */
     void resizeEvent ( QResizeEvent * ) override;
 
  private:
     Q_DISABLE_COPY( MarbleNavigator )
     MarbleNavigatorPrivate  * const d;
 };
 
 }
 
 #endif