Hi,
I ported another small example form OpenSG 1.8 to 2.0.
The example works on windows but fails on linux - If anyone can nail the
problem down this one could also be added to the trunk.
Cheers,
Christoph
#include "OSGConfig.h"
#include <iostream>
#ifdef __sgi
#pragma set woff 1375
#endif
#include <Qt/qapplication.h>
#include <QtGui/QMouseEvent>
#include <QtGui/QKeyEvent>
#include <QtOpenGL/QGLContext>
#ifdef __sgi
#pragma set woff 1375
#endif
#include "OSGSimpleSceneManager.h"
#include "OSGSimpleGeometry.h"
#include "OSGQT4Window.h"
OSG_USING_NAMESPACE
const int nwindows = 2;
// We need our own context to prevent Qt to set its own context current
class MyQGLContext : public QGLContext
{
public:
MyQGLContext (const QGLFormat & format) :
QGLContext(format)
{};
virtual void makeCurrent (){}; // on makeCurrent() just do pretty nothing
};
class MyOSGQGLWidget : public OSGQGLWidget
{
//Q_OBJECT
public:
MyOSGQGLWidget( QWidget *parent=0, const char *name=0 );
MyOSGQGLWidget( MyQGLContext * context,
QWidget * parent = 0,
const QGLWidget * shareWidget = 0,
Qt::WindowFlags f = 0);
SimpleSceneManager *m_manager;
protected:
virtual void initializeGL (void);
virtual void paintGL (void);
virtual void resizeGL (int w, int h);
virtual void mousePressEvent ( QMouseEvent* );
virtual void mouseReleaseEvent ( QMouseEvent* );
virtual void mouseMoveEvent ( QMouseEvent* );
virtual void keyPressEvent ( QKeyEvent* );
};
MyOSGQGLWidget *glWidgets[nwindows];
QApplication *a;
NodeUnrecPtr scene;
MyOSGQGLWidget::MyOSGQGLWidget ( QWidget *parent, const char *name ) :
OSGQGLWidget( parent, name )
{
m_manager = new SimpleSceneManager;
m_manager->setUseTraversalAction(true);
}
MyOSGQGLWidget::MyOSGQGLWidget( MyQGLContext * context,
QWidget * parent,
const QGLWidget * shareWidget,
Qt::WindowFlags f) :
OSGQGLWidget(context, parent, shareWidget, f)
{
m_manager = new SimpleSceneManager;
m_manager->setUseTraversalAction(true);
}
void MyOSGQGLWidget::initializeGL ( void )
{
m_manager->getWindow()->init(); // create the context
m_manager->getWindow()->activate(); // and activate it
}
void MyOSGQGLWidget::paintGL ( void )
{
m_manager->idle();
m_manager->redraw();
Thread::getCurrentChangeList()->clear();
}
void MyOSGQGLWidget::resizeGL ( int w, int h )
{
m_manager->resize(w, h);
repaint();
}
void MyOSGQGLWidget::mousePressEvent ( QMouseEvent *me )
{
UInt16 but;
switch ( me->button() )
{
case Qt::LeftButton: but=SimpleSceneManager::MouseLeft; break;
case Qt::MidButton: but=SimpleSceneManager::MouseMiddle; break;
case Qt::RightButton: but=SimpleSceneManager::MouseRight; break;
}
m_manager->mouseButtonPress( but, me->pos().x(), me->pos().y() );
repaint();
}
void MyOSGQGLWidget::mouseReleaseEvent ( QMouseEvent *me )
{
UInt16 but = SimpleSceneManager::NoButton;
switch ( me->button() )
{
case Qt::LeftButton: but=SimpleSceneManager::MouseLeft; break;
case Qt::MidButton: but=SimpleSceneManager::MouseMiddle; break;
case Qt::RightButton: but=SimpleSceneManager::MouseRight; break;
default: break;
}
m_manager->mouseButtonRelease( but, me->pos().x(), me->pos().y() );
repaint();
}
void MyOSGQGLWidget::mouseMoveEvent ( QMouseEvent *me )
{
m_manager->mouseMove( me->pos().x(), me->pos().y() );
repaint();
}
void MyOSGQGLWidget::keyPressEvent ( QKeyEvent *ke )
{
if ( ke->key() == Qt::Key_Escape )
{
osgExit();
a->quit();
delete m_manager;
}
if ( ke->key() != Qt::Key_Escape )
repaint();
}
int main( int argc, char **argv )
{
// OSG init
osgInit(argc, argv);
// QT init
QApplication::setColorSpec( QApplication::CustomColor );
a = new QApplication( argc, argv );
if ( !QGLFormat::hasOpenGL() )
{
qWarning( "This system has no OpenGL support. Exiting." );
return -1;
}
// Create Windows
QGLFormat::setDefaultFormat(QGLFormat(QGL::DirectRendering |
QGL::DoubleBuffer |
QGL::DepthBuffer |
QGL::Rgba ));
for(int i = 0; i < nwindows; ++i)
{
glWidgets[i] = new MyOSGQGLWidget(new
MyQGLContext(QGLFormat::defaultFormat()), 0, 0, 0);;
QTWindowRecPtr win = QTWindow::create();
win->setGlWidget( glWidgets[i] );
// note: you can't share the scene between the windows, as the SSM
// adds it to his lightsource, and that can only be done for one
// node (single parent paradigm).
// If you want to do that, you have to manage the scene yourself
// without the SSM.
scene = makeTorus( .5, 2, 16, 16 );
OSG::commitChanges();
glWidgets[i]->m_manager->setWindow( win );
glWidgets[i]->m_manager->setRoot( scene );
glWidgets[i]->m_manager->showAll();
a->processEvents();
glWidgets[i]->show();
}
a->exec(); // execute QT main loop
return (0);
}
//#include "testWindowQTSSM_qt_moc.cpp"
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