qgsmaptooladvanceddigitizing.h

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/***************************************************************************
    qgsmaptooladvanceddigitizing.h  - map tool with event in map coordinates
    ----------------------
    begin                : October 2014
    copyright            : (C) Denis Rouzaud
    email                : [email protected]
 ***************************************************************************
 *                                                                         *
 *   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 QGSMAPTOOLADVANCEDDIGITIZE_H
#define QGSMAPTOOLADVANCEDDIGITIZE_H

#include "qgsmaptooledit.h"
#include "qgis_gui.h"

class QgsMapMouseEvent;
class QgsAdvancedDigitizingDockWidget;
class QgsSnapToGridCanvasItem;

class GUI_EXPORT QgsMapToolAdvancedDigitizing : public QgsMapToolEdit
{
    Q_OBJECT
  public:

    explicit QgsMapToolAdvancedDigitizing( QgsMapCanvas *canvas, QgsAdvancedDigitizingDockWidget *cadDockWidget );

    void canvasPressEvent( QgsMapMouseEvent *e ) override;
    void canvasReleaseEvent( QgsMapMouseEvent *e ) override;
    void canvasMoveEvent( QgsMapMouseEvent *e ) override;

    void activate() override;

    void deactivate() override;

    QgsAdvancedDigitizingDockWidget *cadDockWidget() const { return mCadDockWidget; }

    bool isAdvancedDigitizingAllowed() const { return mAdvancedDigitizingAllowed; }

    bool isAutoSnapEnabled() const { return mAutoSnapEnabled; }

  protected:

    void setAdvancedDigitizingAllowed( bool allowed ) { mAdvancedDigitizingAllowed = allowed; }

    void setAutoSnapEnabled( bool enabled ) { mAutoSnapEnabled = enabled; }

  public:

    virtual void cadCanvasPressEvent( QgsMapMouseEvent *e ) { Q_UNUSED( e ) }


    virtual void cadCanvasReleaseEvent( QgsMapMouseEvent *e ) { Q_UNUSED( e ) }


    virtual void cadCanvasMoveEvent( QgsMapMouseEvent *e ) { Q_UNUSED( e ) }

    bool snapToLayerGridEnabled() const;

    void setSnapToLayerGridEnabled( bool snapToLayerGridEnabled );

  private slots:

    void cadPointChanged( const QgsPointXY &point );

    void onCurrentLayerChanged();

  private:
    QgsAdvancedDigitizingDockWidget *mCadDockWidget = nullptr;

    bool mAdvancedDigitizingAllowed = true;
    bool mAutoSnapEnabled = true;
    bool mSnapToLayerGridEnabled = true;
    QgsSnapToGridCanvasItem *mSnapToGridCanvasItem = nullptr;
};

#endif // QGSMAPTOOLADVANCEDDIGITIZE_H