qgsabstractmaptoolhandler.h

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/***************************************************************************
    qgsabstractmaptoolhandler.h
    ---------------------
    begin                : October 2020
    copyright            : (C) 2020 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 QGSABSTRACTMAPTOOLHANDLER_H
#define QGSABSTRACTMAPTOOLHANDLER_H
 
#include "qgis_gui.h"
 
class QgsMapLayer;
class QgsMapTool;
class QAction;

class GUI_EXPORT QgsAbstractMapToolHandler
{
  public:

    struct Context
    {
        bool dummy = false;
    };

    QgsAbstractMapToolHandler( QgsMapTool *tool, QAction *action );
 
    virtual ~QgsAbstractMapToolHandler();

    QgsMapTool *mapTool();

    QAction *action();

    virtual bool isCompatibleWithLayer( QgsMapLayer *layer, const QgsAbstractMapToolHandler::Context &context ) = 0;

    virtual void setLayerForTool( QgsMapLayer *layer );
 
  private:
    QgsMapTool *mMapTool = nullptr;
    QAction *mAction = nullptr;
};
 
#endif // QGSABSTRACTMAPTOOLHANDLER_H