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Introduce new osgGA::Event and osgGA::EventHandler base classes that the old GUIEventAdapter and GUIEventHandler now subclass from.

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The new osgGA::Event is written to support more generic events than the original GUIEventAdapter which are written for keyboard and mouse events.
This commit is contained in:
Robert Osfield
2013-10-25 14:54:15 +00:00
parent 2025c511f0
commit 4a660f6266
37 changed files with 511 additions and 397 deletions
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52
src/osgGA/EventHandler.cpp Normal file
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2013 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.
*/
#include <osgGA/GUIEventHandler>
#include <osgGA/EventVisitor>
using namespace osgGA;
void EventHandler::operator()(osg::Node* node, osg::NodeVisitor* nv)
{
osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(nv);
if (ev && ev->getActionAdapter() && !ev->getEvents().empty())
{
for(osgGA::EventQueue::Events::iterator itr = ev->getEvents().begin();
itr != ev->getEvents().end();
++itr)
{
handle(itr->get(), node, nv);
}
}
if (node->getNumChildrenRequiringEventTraversal()>0 || _nestedCallback.valid()) traverse(node,nv);
}
void EventHandler::event(osg::NodeVisitor* nv, osg::Drawable* drawable)
{
osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(nv);
if (ev && ev->getActionAdapter() && !ev->getEvents().empty())
{
for(osgGA::EventQueue::Events::iterator itr = ev->getEvents().begin();
itr != ev->getEvents().end();
++itr)
{
handle(itr->get(), drawable, nv);
}
}
}
bool EventHandler::handle(osgGA::Event* event, osg::Object* object, osg::NodeVisitor* nv)
{
OSG_NOTICE<<"Handle event "<<event<<std::endl;
return false;
}