FGFS-4.1/OpenSceneGraph
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Further work osgViewer::Viewer and related classes.

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This commit is contained in:
Robert Osfield
2006-12-20 21:13:29 +00:00
parent 32821ebe4e
commit 2255771b74
18 changed files with 580 additions and 36 deletions
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51
src/osgViewer/View.cpp
View File

@@ -18,10 +18,21 @@
using namespace osgViewer;
class ActionAdapter : public osgGA::GUIActionAdapter
{
public:
virtual ~ActionAdapter() {}
virtual void requestRedraw() { /*osg::notify(osg::NOTICE)<<"requestRedraw()"<<std::endl;*/ }
virtual void requestContinuousUpdate(bool needed=true) { /*osg::notify(osg::NOTICE)<<"requestContinuousUpdate("<<needed<<")"<<std::endl;*/ }
virtual void requestWarpPointer(float x,float y) { osg::notify(osg::NOTICE)<<"requestWarpPointer("<<x<<","<<y<<")"<<std::endl; }
};
View::View()
{
// osg::notify(osg::NOTICE)<<"Constructing osgViewer::View"<<std::endl;
setEventQueue(new osgGA::EventQueue);
}
View::~View()
@@ -37,6 +48,20 @@ void View::setSceneData(osg::Node* node)
assignSceneDataToCameras();
}
void View::setCameraManipulator(osgGA::MatrixManipulator* manipulator)
{
_cameraManipulator = manipulator;
if (_cameraManipulator.valid() && getSceneData())
{
_cameraManipulator->setNode(getSceneData());
osg::ref_ptr<osgGA::GUIEventAdapter> dummyEvent = _eventQueue->createEvent();
ActionAdapter aa;
_cameraManipulator->home(*dummyEvent, aa);
}
}
void View::setUpViewAcrossAllScreens()
{
osg::GraphicsContext::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
@@ -86,6 +111,11 @@ void View::setUpViewAcrossAllScreens()
else
{
double rotate_x = - double(numScreens-1) * 0.5 * fovx;
float inputRangeMinX = 0.0f;
float inputRangeMinY = 0.0f;
float maxHeight = 0.0f;
for(unsigned int i=0; i<numScreens; ++i, rotate_x += fovx)
{
@@ -111,6 +141,12 @@ void View::setUpViewAcrossAllScreens()
if (gw)
{
osg::notify(osg::NOTICE)<<" GraphicsWindow has been created successfully."<<gw<<std::endl;
gw->getEventQueue()->setUseFixedMouseInputRange(true);
gw->getEventQueue()->getCurrentEventState()->setInputRange(inputRangeMinX, inputRangeMinY, inputRangeMinX+float(width),inputRangeMinY+float(height) );
inputRangeMinX += float(width);
if (maxHeight < float(height)) maxHeight = float(height);
}
else
{
@@ -122,6 +158,9 @@ void View::setUpViewAcrossAllScreens()
addSlave(camera.get(), osg::Matrixd(), osg::Matrixd::rotate( rotate_x, 0.0, 1.0, 0.0));
}
getEventQueue()->setUseFixedMouseInputRange(true);
getEventQueue()->getCurrentEventState()->setInputRange(0.0f, 0.0, inputRangeMinX, maxHeight);
}
setUpRenderingSupport();
@@ -156,6 +195,16 @@ void View::assignSceneDataToCameras()
{
osg::Node* sceneData = _scene.valid() ? _scene->getSceneData() : 0;
if (_cameraManipulator.valid())
{
_cameraManipulator->setNode(sceneData);
osg::ref_ptr<osgGA::GUIEventAdapter> dummyEvent = _eventQueue->createEvent();
ActionAdapter aa;
_cameraManipulator->home(*dummyEvent, aa);
}
if (_camera.valid())
{
_camera->removeChildren(0,_camera->getNumChildren());