/usr/include/osgEarthUtil/AnnotationEvents is in libosgearth-dev 2.5.0+dfsg-8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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 OSGEARTH_UTIL_ANNOTATION_EVENTS_H
#define OSGEARTH_UTIL_ANNOTATION_EVENTS_H 1
#include <osgEarthUtil/Common>
#include <osgEarthAnnotation/AnnotationNode>
#include <set>
namespace osgEarth { namespace Util
{
using namespace osgEarth::Util;
using namespace osgEarth::Annotation;
/**
* Event handler skeleton for handling events from the AnnotationEventCallback.
*/
struct AnnotationEventHandler : public osg::Referenced
{
struct EventArgs
{
float x, y;
int buttons; // see osgGA::GUIEventAdapter::MouseButtonMask
int modkeys; // see osgGA::GUIEventAdapter::ModKeyMask
};
virtual void onClick( AnnotationNode* node, const EventArgs& details ) { }
virtual void onHoverEnter( AnnotationNode* node, const EventArgs& details ) { }
virtual void onHoverLeave( AnnotationNode* node, const EventArgs& details ) { }
virtual ~AnnotationEventHandler() { }
};
/**
* Event-traversal node callback that handles user interaction with
* annotation objects.
*/
class OSGEARTHUTIL_EXPORT AnnotationEventCallback : public osg::NodeCallback
{
public:
AnnotationEventCallback( AnnotationEventHandler* handler =0L );
/**
* Adds an event handler whose events will fire upon user actions
*/
void addHandler( AnnotationEventHandler* handler );
/**
* Sets whether "hovering" events will fire. By default they do. But you
* can disable this (if you're not using hovering) and get a small
* performance improvement.
*/
void setHoverEnabled( bool hoverEnabled );
public: // osg::NodeCallback
virtual void operator()( osg::Node* node, osg::NodeVisitor* nv );
protected:
virtual ~AnnotationEventCallback() { }
AnnotationEventHandler::EventArgs _args;
bool _mouseDown;
bool _hoverEnabled;
std::set<AnnotationNode*> _hovered;
typedef std::vector< osg::ref_ptr<AnnotationEventHandler> > Handlers;
Handlers _handlers;
typedef void (AnnotationEventHandler::*EventHandlerMethodPtr)(AnnotationNode*,const AnnotationEventHandler::EventArgs&);
void fireEvent(EventHandlerMethodPtr mp, AnnotationNode* node);
};
} } // namespace osgEarth::Annotation
#endif // OSGEARTH_ANNO_ANNOTATION_NODE_H
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