/usr/include/osgEarthUtil/MouseCoordsTool is in libosgearth-dev 2.7.0+dfsg-2+b3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTHUTIL_MOUSE_COORDS_TOOL_H
#define OSGEARTHUTIL_MOUSE_COORDS_TOOL_H 1
#include <osgEarthUtil/Common>
#include <osgEarthUtil/Controls>
#include <osgEarthUtil/Formatter>
#include <osgGA/GUIEventHandler>
namespace osgEarth {
class MapNode;
}
namespace osgEarth { namespace Util
{
using namespace Controls;
/**
* Tool that prints the map coordinates under the mouse into a
* LabelControl.
*/
class OSGEARTHUTIL_EXPORT MouseCoordsTool : public osgGA::GUIEventHandler
{
public:
struct Callback : public osg::Referenced
{
// called when valid map coordinates are found under the mouse
virtual void set( const GeoPoint& coords, osg::View* view, MapNode* mapNode ) =0;
// called when no map coords are found under the mouse
virtual void reset( osg::View* view, MapNode* mapNode ) =0;
virtual ~Callback() { }
};
public:
/**
* Constructs a new handler
* @param label
* Label control that will accept the coordinate readout
* @param mapNode
* Map node from which to query coordinates
* @param label
* (optional) label control to use for readout (automatically installs
* a MouseCoordsLabelCallback)
* @param formatter
* (optional) When used with the label, specifies a formatter to use
* for the readout.
*/
MouseCoordsTool( MapNode* mapNode, LabelControl* label =0L, Formatter* formatter =0L );
virtual ~MouseCoordsTool() { }
/**
* Adds a readout callback.
*/
void addCallback( Callback* callback );
public: // GUIEventHandler
bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa );
protected:
MapNode* _mapNode;
osg::NodePath _mapNodePath;
typedef std::vector< osg::ref_ptr<Callback> > Callbacks;
Callbacks _callbacks;
};
/**
* A sample callback that will display the mouse coords in a LabelControl.
*/
class OSGEARTHUTIL_EXPORT MouseCoordsLabelCallback : public MouseCoordsTool::Callback
{
public:
MouseCoordsLabelCallback( LabelControl* label, Formatter* formatter =0L );
virtual ~MouseCoordsLabelCallback() { }
virtual void set( const GeoPoint& coords, osg::View* view, MapNode* mapNode );
virtual void reset( osg::View* view, MapNode* mapNode );
protected:
osg::observer_ptr<LabelControl> _label;
osg::ref_ptr<Formatter> _formatter;
};
} } // namespace osgEarthUtil
#endif // OSGEARTHUTIL_MOUSE_COORDS_TOOL_H
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