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#include <osgWidget/VncClient>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
class EscapeHandler : public osgGA::GUIEventHandler
{
public:
EscapeHandler() {}
bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa)
{
if (ea.getHandled()) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
if (ea.getKey()==osgGA::GUIEventAdapter::KEY_Escape)
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
if (view) view->getViewerBase()->setDone(true);
return true;
}
}
default:
return false;
}
return false;
}
};
int main(int argc,char** argv)
{
osg::ArgumentParser arguments(&argc, argv);
osgViewer::Viewer viewer(arguments);
osgWidget::GeometryHints hints(osg::Vec3(0.0f,0.0f,0.0f),
osg::Vec3(1.0f,0.0f,0.0f),
osg::Vec3(0.0f,0.0f,1.0f),
osg::Vec4(1.0f,1.0f,1.0f,1.0f),
osgWidget::GeometryHints::RESIZE_HEIGHT_TO_MAINTAINCE_ASPECT_RATIO);
osg::ref_ptr<osg::Group> group = new osg::Group;
for(int i=1; i<arguments.argc(); ++i)
{
if (!arguments.isOption(i))
{
osg::ref_ptr<osgWidget::VncClient> vncClient = new osgWidget::VncClient;
if (vncClient->connect(arguments[i], hints))
{
group->addChild(vncClient.get());
hints.position.x() += 1.1f;
}
}
}
viewer.setSceneData(group.get());
viewer.addEventHandler(new osgViewer::StatsHandler);
// add a custom escape handler, but disable the standard viewer one to enable the vnc images to handle
// the escape without it getting caught by the viewer.
viewer.addEventHandler(new EscapeHandler);
viewer.setKeyEventSetsDone(0);
return viewer.run();
}
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