qgssymbolwidgetcontext.h

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/***************************************************************************
    qgssymbolwidgetcontext.h
    ------------------------
    begin                : September 2016
    copyright            : (C) 2016 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 QGSSYMBOLWIDGETCONTEXT_H
#define QGSSYMBOLWIDGETCONTEXT_H
 
#include <memory>
 
#include "qgsexpressioncontext.h"
#include "qgis_gui.h"
 
 
class QgsMapCanvas;
class QgsMessageBar;
 
class GUI_EXPORT QgsSymbolWidgetContext // clazy:exclude=rule-of-three
{
  public:
 
    QgsSymbolWidgetContext() = default;
 
    QgsSymbolWidgetContext( const QgsSymbolWidgetContext &other );
 
    QgsSymbolWidgetContext &operator=( const QgsSymbolWidgetContext &other );
 
    void setMapCanvas( QgsMapCanvas *canvas );
 
    QgsMapCanvas *mapCanvas() const;
 
    void setMessageBar( QgsMessageBar *bar );
 
    QgsMessageBar *messageBar() const;
 
    void setExpressionContext( QgsExpressionContext *context );
 
    QgsExpressionContext *expressionContext() const;
 
    void setAdditionalExpressionContextScopes( const QList< QgsExpressionContextScope > &scopes );
 
    QList< QgsExpressionContextScope > additionalExpressionContextScopes() const;
 
    QList<QgsExpressionContextScope *> globalProjectAtlasMapLayerScopes( const QgsMapLayer *layer ) const SIP_FACTORY;
 
  private:
 
    QgsMapCanvas *mMapCanvas = nullptr;
    QgsMessageBar *mMessageBar = nullptr;
    std::unique_ptr< QgsExpressionContext > mExpressionContext;
    QList< QgsExpressionContextScope > mAdditionalScopes;
 
};
 
#endif // QGSSYMBOLWIDGETCONTEXT_H