qgsmaptoolpan.h

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/***************************************************************************
    qgsmaptoolpan.h  -  map tool for panning in map canvas
    ---------------------
    begin                : January 2006
    copyright            : (C) 2006 by Martin Dobias
    email                : wonder.sk at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSMAPTOOLPAN_H
#define QGSMAPTOOLPAN_H
 
#include "qgsmaptool.h"
#include "qgis_gui.h"
#include "qgspointxy.h"
#include "qgsdistancearea.h"
 
class QgsMapCanvas;
 
 
class GUI_EXPORT QgsMapToolPan : public QgsMapTool
{
    Q_OBJECT
 
  public:
    QgsMapToolPan( QgsMapCanvas *canvas );
    ~QgsMapToolPan() override;
 
    void activate() override;
    void deactivate() override;
 
    Flags flags() const override;
    void canvasPressEvent( QgsMapMouseEvent *e ) override;
    void canvasMoveEvent( QgsMapMouseEvent *e ) override;
    void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
    void canvasDoubleClickEvent( QgsMapMouseEvent *e ) override;
    bool gestureEvent( QGestureEvent *e ) override;
 
    bool isDragging() const { return mDragging; }
 
  signals:
 
    void panDistanceBearingChanged( double distance, QgsUnitTypes::DistanceUnit unit, double bearing );
 
  private:
 
    bool mDragging;
    bool mPinching = false;
 
    void pinchTriggered( QPinchGesture *gesture );
};
 
#endif