qgsmaptooltouch.h

Go to the documentation of this file.

/***************************************************************************
    qgsmaptooltouch.h  -  map tool for zooming and panning using qgestures
    ----------------------
    begin                : February 2012
    copyright            : (C) 2012 by Marco Bernasocchi
    email                : marco at bernawebdesign.ch
 ***************************************************************************
 *                                                                         *
 *   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 QGSMAPTOOLTOUCH_H
#define QGSMAPTOOLTOUCH_H

#include "qgsmaptool.h"
#include <QGestureEvent>
#include <QPinchGesture>

class QgsMapCanvas;


class GUI_EXPORT QgsMapToolTouch : public QgsMapTool
{
  public:
    QgsMapToolTouch( QgsMapCanvas* canvas );

    ~QgsMapToolTouch();

    void activate();
    void deactivate();

    virtual void canvasMoveEvent( QMouseEvent * e );

    virtual void canvasReleaseEvent( QMouseEvent * e );

    virtual void canvasDoubleClickEvent( QMouseEvent * e );

    virtual bool isTransient() { return true; }

    bool gestureEvent( QGestureEvent *event );

  private:

    bool mDragging;
    bool mPinching;
    void pinchTriggered( QPinchGesture *gesture );
};

#endif