Example #1
0
// Mouse movements
void mouseMoveCB( int x, int y )
{
    if (window.valid())
    {
        window->getEventQueue()->mouseMotion( x, y );
    }
}
Example #2
0
// Mouse buttons
void mouseButtonCB( int button, int state, int x, int y )
{
    if (window.valid())
    {
        if (state==0) window->getEventQueue()->mouseButtonPress( x, y, button+1 );
        else window->getEventQueue()->mouseButtonRelease( x, y, button+1 );
    }
}
Example #3
0
// Reshaping the window
void reshapeCB( int w, int h )
{
    // Update the window dimensions, in case the window has been resized.
    if (window.valid()) 
    {
        window->resized(window->getTraits()->x, window->getTraits()->y, w, h);
        window->getEventQueue()->windowResize(window->getTraits()->x, window->getTraits()->y, w, h );
    }
}
Example #4
0
void keyboard( unsigned char key, int /*x*/, int /*y*/ )
{
    switch( key )
    {
        case 27:
            // clean up the viewer 
            if (viewer.valid()) viewer = 0;
            glutDestroyWindow(glutGetWindow());
            break;
        default:
            if (window.valid())
            {
                window->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) key );
                window->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) key );
            }
            break;
    }
}
bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* /*nv*/)
{
    switch(ea.getEventType())
    {
        case(osgGA::GUIEventAdapter::MOVE):
        {
            if(_currentImageStream.valid() && (ea.getModKeyMask() & osgGA::GUIEventAdapter::MODKEY_SHIFT))
            {
                float scalar = (ea.getXnormalized()+1) / 2.0;
                _currentImageStream->seek(scalar * _currentImageStream->getLength());
            }
        }
        break;

        case(osgGA::GUIEventAdapter::RELEASE):
        {

            osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
            osgUtil::LineSegmentIntersector::Intersections intersections;
            bool foundIntersection = view==0 ? false : view->computeIntersections(ea, intersections);

            if (foundIntersection)
            {
                // use the nearest intersection
                const osgUtil::LineSegmentIntersector::Intersection& intersection = *(intersections.begin());
                osg::Drawable* drawable = intersection.drawable.get();
                osg::Geometry* geometry = drawable ? drawable->asGeometry() : 0;

                if (geometry) {
                    osg::Texture* tex = geometry->getStateSet() ? dynamic_cast<osg::Texture*>(geometry->getStateSet()->getTextureAttribute(0, osg::StateAttribute::TEXTURE)) : NULL;
                    if (tex) {
                        osg::ImageStream* is = dynamic_cast<osg::ImageStream*>(tex->getImage(0));
                        if (is)
                        {
                            setColor(_currentGeometry.get(), osg::Vec4(0.7, 0.7, 0.7, 1.0));
                            _currentGeometry = geometry;
                            setColor(_currentGeometry.get(), osg::Vec4(1,1,1,1));
                            _currentImageStream = is;

                            if (is->getStatus() == osg::ImageStream::PLAYING)
                            {
                                is->pause();
                            }
                            else
                            {
                                is->play();
                            }

                        }
                    }
                }
            }

            break;
        }
        case(osgGA::GUIEventAdapter::KEYDOWN):
        {
            if (!_currentImageStream.valid())
                return false;

            if (ea.getKey()=='p')
            {
                osg::ImageStream::StreamStatus playToggle = _currentImageStream->getStatus();
                if (playToggle != osg::ImageStream::PLAYING)
                {
                    std::cout<< _currentImageStream.get() << " Play"<<std::endl;
                    _currentImageStream->play();
                }
                else
                {
                    // playing, so pause
                    std::cout<< _currentImageStream.get() << " Pause"<<std::endl;
                    _currentImageStream->pause();
                }
                return true;
            }
            else if (ea.getKey()=='r')
            {
                std::cout<< _currentImageStream.get() << " Restart"<<std::endl;
                _currentImageStream->rewind();
                _currentImageStream->play();
                return true;
            }
            else if (ea.getKey()=='>')
            {
                std::cout << _currentImageStream.get() << " Seeking"<<std::endl;
                _currentImageStream->seek(_currentImageStream->getCurrentTime() + 1.0);

                return true;
            }
            else if (ea.getKey()=='L')
            {
                if ( _currentImageStream->getLoopingMode() == osg::ImageStream::LOOPING)
                {
                    std::cout<< _currentImageStream.get() << " Toggle Looping Off"<<std::endl;
                    _currentImageStream->setLoopingMode( osg::ImageStream::NO_LOOPING );
                }
                else
                {
                    std::cout<< _currentImageStream.get() << " Toggle Looping On"<<std::endl;
                    _currentImageStream->setLoopingMode( osg::ImageStream::LOOPING );
                }
                return true;
            }
            else if (ea.getKey()=='+')
            {
                double tm = _currentImageStream->getTimeMultiplier();
                tm += 0.1;
                _currentImageStream->setTimeMultiplier(tm);
                std::cout << _currentImageStream.get() << " Increase speed rate "<< _currentImageStream->getTimeMultiplier() << std::endl;

                return true;
            }
            else if (ea.getKey()=='-')
            {
                double tm = _currentImageStream->getTimeMultiplier();
                tm -= 0.1;
                _currentImageStream->setTimeMultiplier(tm);
                std::cout << _currentImageStream.get() << " Decrease speed rate "<< _currentImageStream->getTimeMultiplier() << std::endl;

                return true;
            }
            else if (ea.getKey()=='o')
            {
                std::cout<< _currentImageStream.get() << " Frame rate  "<< _currentImageStream->getFrameRate() <<std::endl;

                return true;
            }
            return false;
        }

        default:
            return false;
    }
    return false;
}