qgsprojectviewsettings.h

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/***************************************************************************
    qgsprojectviewsettings.h
    ---------------------------
    begin                : October 2019
    copyright            : (C) 2019 by 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 QGSPROJECTVIEWSETTINGS_H
#define QGSPROJECTVIEWSETTINGS_H
 
#include "qgis_core.h"
#include "qgsreferencedgeometry.h"
 
#include <QObject>
#include <QVector>
 
class QDomElement;
class QgsReadWriteContext;
class QDomDocument;
class QgsProject;

class CORE_EXPORT QgsProjectViewSettings : public QObject
{
    Q_OBJECT
 
  public:
    QgsProjectViewSettings( QgsProject *project = nullptr );

    void reset();

    QgsReferencedRectangle defaultViewExtent() const;

    void setDefaultViewExtent( const QgsReferencedRectangle &extent );

    QgsReferencedRectangle presetFullExtent() const;

    void setPresetFullExtent( const QgsReferencedRectangle &extent );

    void setRestoreProjectExtentOnProjectLoad( bool state );

    bool restoreProjectExtentOnProjectLoad();

    QgsReferencedRectangle fullExtent() const;

    void setMapScales( const QVector<double> &scales );

    QVector<double> mapScales() const;

    void setUseProjectScales( bool enabled );

    bool useProjectScales() const;

    double defaultRotation() const;

    void setDefaultRotation( double rotation );

    bool readXml( const QDomElement &element, const QgsReadWriteContext &context );

    QDomElement writeXml( QDomDocument &doc, const QgsReadWriteContext &context ) const;
 
  signals:

    void mapScalesChanged();

    void presetFullExtentChanged();
 
  private:
    QgsProject *mProject = nullptr;
    QVector<double> mMapScales;
    bool mUseProjectScales = false;
    QgsReferencedRectangle mDefaultViewExtent;
    QgsReferencedRectangle mPresetFullExtent;
    bool mRestoreProjectExtentOnProjectLoad = false;
    double mDefaultRotation = 0;
};
 
#endif // QGSPROJECTVIEWSETTINGS_H