QGIS API Documentation 3.41.0-Master (cea29feecf2)
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qgsabstractmaptoolhandler.h
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1/***************************************************************************
2 qgsabstractmaptoolhandler.h
3 ---------------------
4 begin : October 2020
5 copyright : (C) 2020 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSABSTRACTMAPTOOLHANDLER_H
17#define QGSABSTRACTMAPTOOLHANDLER_H
18
19#include "qgis_gui.h"
20
21class QgsMapLayer;
22class QgsMapTool;
23class QAction;
24
62{
63 public:
69 struct Context
70 {
72 bool dummy = false;
73 };
74
89 QgsAbstractMapToolHandler( QgsMapTool *tool, QAction *action );
90
92
96 QgsMapTool *mapTool();
97
101 QAction *action();
102
108 virtual bool isCompatibleWithLayer( QgsMapLayer *layer, const QgsAbstractMapToolHandler::Context &context ) = 0;
109
118 virtual void setLayerForTool( QgsMapLayer *layer );
119
120 private:
121 QgsMapTool *mMapTool = nullptr;
122 QAction *mAction = nullptr;
123};
124
125#endif // QGSABSTRACTMAPTOOLHANDLER_H
An abstract base class for map tool handlers which automatically handle all the necessary logic for t...
virtual ~QgsAbstractMapToolHandler()
virtual bool isCompatibleWithLayer(QgsMapLayer *layer, const QgsAbstractMapToolHandler::Context &context)=0
Returns true if the associated map tool is compatible with the specified layer.
Base class for all map layer types.
Definition qgsmaplayer.h:76
Abstract base class for all map tools.
Definition qgsmaptool.h:71
Context of a QgsAbstractMapToolHandler call.