/usr/include/osgGA/EventHandler is in libopenscenegraph-3.4-dev 3.4.1+dfsg1-3.
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 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGGA_EVENTHANDLER
#define OSGGA_EVENTHANDLER 1
#include <vector>
#include <osg/Drawable>
#include <osg/ApplicationUsage>
#include <osgGA/Export>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>
namespace osgGA{
/**
EventHandler is base class for adding handling of events, either as node event callback, drawable event callback or an event handler attached directly to the view(er)
*/
class OSGGA_EXPORT EventHandler : public osg::NodeCallback, public osg::Drawable::EventCallback
{
public:
EventHandler() {}
EventHandler(const EventHandler& eh,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY):
osg::Object(eh, copyop),
osg::Callback(eh, copyop),
osg::NodeCallback(eh, copyop),
osg::Drawable::EventCallback(eh, copyop) {}
META_Object(osgGA, EventHandler);
virtual bool run(osg::Object* object, osg::Object* data)
{
osg::Node* node = dynamic_cast<osg::Node*>(object);
osg::NodeVisitor* nv = dynamic_cast<osg::NodeVisitor*>(data);
operator()(node, nv);
return true;
}
/** Event traversal node callback method. There is no need to override this method in subclasses of EventHandler as this implementation calls handle(..) for you. */
virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);
/** Event traversal drawable callback method. There is no need to override this method in subclasses of EventHandler as this implementation calls handle(..) for you. */
virtual void event(osg::NodeVisitor* nv, osg::Drawable* drawable);
/** Handle event. Override the handle(..) method in your event handlers to respond to events. */
virtual bool handle(osgGA::Event* event, osg::Object* object, osg::NodeVisitor* nv);
/** Get the user interface usage of this event handler, i.e. keyboard and mouse bindings.*/
virtual void getUsage(osg::ApplicationUsage&) const {}
protected:
};
}
#endif
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