qgsmodelviewtoolzoom.h

Go to the documentation of this file.

/***************************************************************************
                             qgsmodelviewtoolzoom.h
                             -----------------------
    Date                 : March 2020
    Copyright            : (C) 2020 Nyall Dawson
    Email                : nyall dot dawson 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 QGSMODELVIEWTOOLZOOM_H
#define QGSMODELVIEWTOOLZOOM_H
 
#include <memory>
 
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgsmodelviewrubberband.h"
#include "qgsmodelviewtool.h"
 
#define SIP_NO_FILE

class GUI_EXPORT QgsModelViewToolZoom : public QgsModelViewTool
{
    Q_OBJECT
 
  public:
    QgsModelViewToolZoom( QgsModelGraphicsView *view SIP_TRANSFERTHIS );
 
    void modelPressEvent( QgsModelViewMouseEvent *event ) override;
    void modelMoveEvent( QgsModelViewMouseEvent *event ) override;
    void modelReleaseEvent( QgsModelViewMouseEvent *event ) override;
    void keyPressEvent( QKeyEvent *event ) override;
    void keyReleaseEvent( QKeyEvent *event ) override;
    void deactivate() override;
 
  protected:
    bool mMarqueeZoom = false;
 
  private:
    QPoint mMousePressStartPos;
 
    QPointF mRubberBandStartPos;

    std::unique_ptr<QgsModelViewRectangularRubberBand> mRubberBand;
 
    void startMarqueeZoom( QPointF scenePoint );
};
 
#endif // QGSMODELVIEWTOOLZOOM_H