278 lines
8.9 KiB
C++
278 lines
8.9 KiB
C++
/* OpenSceneGraph example, osganimate.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osgViewer/Viewer>
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#include <osgViewer/CompositeViewer>
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#include <osgViewer/ViewerEventHandlers>
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#include <osgGA/TrackballManipulator>
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#include <osgDB/ReadFile>
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#if USE_QT4
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#include <QtCore/QString>
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#include <QtCore/QTimer>
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#include <QtGui/QKeyEvent>
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#include <QtGui/QApplication>
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#include <QtOpenGL/QGLWidget>
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#include <QtGui/QMainWindow>
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#include <QtGui/QMdiSubWindow>
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#include <QtGui/QMdiArea>
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using Qt::WindowFlags;
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#else
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class QWidget;
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#include <qtimer.h>
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#include <qgl.h>
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#include <qapplication.h>
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#define WindowFlags WFlags
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#endif
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#include <iostream>
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class AdapterWidget : public QGLWidget
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{
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public:
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AdapterWidget( QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WindowFlags f = 0 );
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virtual ~AdapterWidget() {}
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osgViewer::GraphicsWindow* getGraphicsWindow() { return _gw.get(); }
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const osgViewer::GraphicsWindow* getGraphicsWindow() const { return _gw.get(); }
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protected:
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void init();
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virtual void resizeGL( int width, int height );
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virtual void keyPressEvent( QKeyEvent* event );
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virtual void keyReleaseEvent( QKeyEvent* event );
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virtual void mousePressEvent( QMouseEvent* event );
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virtual void mouseReleaseEvent( QMouseEvent* event );
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virtual void mouseMoveEvent( QMouseEvent* event );
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osg::ref_ptr<osgViewer::GraphicsWindowEmbedded> _gw;
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};
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AdapterWidget::AdapterWidget( QWidget * parent, const char * name, const QGLWidget * shareWidget, WindowFlags f):
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#if USE_QT4
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QGLWidget(parent, shareWidget, f)
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#else
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QGLWidget(parent, name, shareWidget, f)
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#endif
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{
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_gw = new osgViewer::GraphicsWindowEmbedded(0,0,width(),height());
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#if USE_QT4
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setFocusPolicy(Qt::ClickFocus);
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#else
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setFocusPolicy(QWidget::ClickFocus);
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#endif
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}
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void AdapterWidget::resizeGL( int width, int height )
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{
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_gw->getEventQueue()->windowResize(0, 0, width, height );
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_gw->resized(0,0,width,height);
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}
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void AdapterWidget::keyPressEvent( QKeyEvent* event )
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{
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#if USE_QT4
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_gw->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) *(event->text().toAscii().data() ) );
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#else
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_gw->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
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#endif
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}
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void AdapterWidget::keyReleaseEvent( QKeyEvent* event )
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{
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#if USE_QT4
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_gw->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) *(event->text().toAscii().data() ) );
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#else
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_gw->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
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#endif
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}
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void AdapterWidget::mousePressEvent( QMouseEvent* event )
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{
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int button = 0;
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switch(event->button())
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{
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case(Qt::LeftButton): button = 1; break;
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case(Qt::MidButton): button = 2; break;
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case(Qt::RightButton): button = 3; break;
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case(Qt::NoButton): button = 0; break;
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default: button = 0; break;
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}
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_gw->getEventQueue()->mouseButtonPress(event->x(), event->y(), button);
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}
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void AdapterWidget::mouseReleaseEvent( QMouseEvent* event )
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{
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int button = 0;
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switch(event->button())
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{
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case(Qt::LeftButton): button = 1; break;
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case(Qt::MidButton): button = 2; break;
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case(Qt::RightButton): button = 3; break;
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case(Qt::NoButton): button = 0; break;
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default: button = 0; break;
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}
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_gw->getEventQueue()->mouseButtonRelease(event->x(), event->y(), button);
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}
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void AdapterWidget::mouseMoveEvent( QMouseEvent* event )
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{
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_gw->getEventQueue()->mouseMotion(event->x(), event->y());
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}
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class ViewerQT : public osgViewer::Viewer, public AdapterWidget
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{
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public:
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ViewerQT(QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WindowFlags f = 0):
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AdapterWidget( parent, name, shareWidget, f )
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{
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getCamera()->setViewport(new osg::Viewport(0,0,width(),height()));
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getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width())/static_cast<double>(height()), 1.0f, 10000.0f);
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getCamera()->setGraphicsContext(getGraphicsWindow());
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setThreadingModel(osgViewer::Viewer::SingleThreaded);
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connect(&_timer, SIGNAL(timeout()), this, SLOT(updateGL()));
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_timer.start(10);
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}
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virtual void paintGL()
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{
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frame();
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}
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protected:
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QTimer _timer;
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};
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class CompositeViewerQT : public osgViewer::CompositeViewer, public AdapterWidget
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{
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public:
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CompositeViewerQT(QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WindowFlags f = 0):
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AdapterWidget( parent, name, shareWidget, f )
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{
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setThreadingModel(osgViewer::CompositeViewer::SingleThreaded);
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connect(&_timer, SIGNAL(timeout()), this, SLOT(updateGL()));
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_timer.start(10);
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}
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virtual void paintGL()
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{
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frame();
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}
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protected:
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QTimer _timer;
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};
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int mainAdapterWidget(QApplication& a, osg::ArgumentParser& arguments)
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{
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// load the scene.
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osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFiles(arguments);
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if (!loadedModel)
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{
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std::cout << arguments[0] <<": No data loaded." << std::endl;
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return 1;
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}
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std::cout<<"Using AdapterWidget - QGLWidget subclassed to integrate with osgViewer using its embedded graphics window support."<<std::endl;
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if (arguments.read("--CompositeViewer"))
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{
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CompositeViewerQT* viewerWindow = new CompositeViewerQT;
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unsigned int width = viewerWindow->width();
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unsigned int height = viewerWindow->height();
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{
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osgViewer::View* view1 = new osgViewer::View;
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view1->getCamera()->setGraphicsContext(viewerWindow->getGraphicsWindow());
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view1->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height/2), 1.0, 1000.0);
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view1->getCamera()->setViewport(new osg::Viewport(0,0,width,height/2));
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view1->setCameraManipulator(new osgGA::TrackballManipulator);
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view1->setSceneData(loadedModel.get());
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viewerWindow->addView(view1);
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}
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{
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osgViewer::View* view2 = new osgViewer::View;
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view2->getCamera()->setGraphicsContext(viewerWindow->getGraphicsWindow());
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view2->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(width)/static_cast<double>(height/2), 1.0, 1000.0);
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view2->getCamera()->setViewport(new osg::Viewport(0,height/2,width,height/2));
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view2->setCameraManipulator(new osgGA::TrackballManipulator);
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view2->setSceneData(loadedModel.get());
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viewerWindow->addView(view2);
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}
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viewerWindow->show();
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#if USE_QT4
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}
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else if (arguments.read("--mdi")) {
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std::cout<<"Using ViewetQT MDI version"<<std::endl;
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/*
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Following problems are found here:
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- miminize causes loaded model to disappear (some problem with Camera matrix? - clampProjectionMatrix is invalid)
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*/
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ViewerQT* viewerWindow = new ViewerQT;
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viewerWindow->setCameraManipulator(new osgGA::TrackballManipulator);
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viewerWindow->setSceneData(loadedModel.get());
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QMainWindow* mw = new QMainWindow();
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QMdiArea* mdiArea = new QMdiArea(mw);
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mw->setCentralWidget(mdiArea);
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QMdiSubWindow *subWindow = mdiArea->addSubWindow(viewerWindow);
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subWindow->showMaximized();
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subWindow->setWindowTitle("New Window");
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mw->show();
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#endif // USE_QT4
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} else {
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ViewerQT* viewerWindow = new ViewerQT;
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viewerWindow->setCameraManipulator(new osgGA::TrackballManipulator);
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viewerWindow->setSceneData(loadedModel.get());
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viewerWindow->show();
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}
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a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) );
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return a.exec();
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}
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/*EOF*/
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