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Ported QT3 example across to use osgViewer::Viewer, and made it possible to use the same source for both QT3 and QT4

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This commit is contained in:
Robert Osfield
2007-06-02 16:01:56 +00:00
parent 179f903c90
commit ea990dddfa
2 changed files with 58 additions and 30 deletions
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2
examples/osgviewerQT3/CMakeLists.txt
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@@ -4,5 +4,7 @@ SET(TARGET_EXTERNAL_LIBRARIES ${QT_LIBRARIES} )
INCLUDE_DIRECTORIES(${QT_INCLUDE_DIR} )
ADD_DEFINITIONS(-DUSE_QT3)
#### end var setup ###
SETUP_EXAMPLE(osgviewerQT3)

86
examples/osgviewerQT3/osgviewerQT3.cpp
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@@ -1,28 +1,44 @@
// C++ source file - (C) 2003 Robert Osfield, released under the OSGPL.
// (C) 2005 Mike Weiblen http://mew.cx/ released under the OSGPL.
// Simple example using GLUT to create an OpenGL window and OSG for rendering.
// Derived from osgGLUTsimple.cpp and osgkeyboardmouse.cpp
#include <osgViewer/SimpleViewer>
#include <osgViewer/Viewer>
#include <osgViewer/StatsHandler>
#include <osgGA/TrackballManipulator>
#include <osgDB/ReadFile>
class QWidget;
#include <qtimer.h>
#include <qgl.h>
#include <qapplication.h>
#if USE_QT3
class QWidget;
#include <qtimer.h>
#include <qgl.h>
#include <qapplication.h>
#else
#include <QtCore/QTimer>
#include <QtGui/QKeyEvent>
#include <QtGui/QApplication>
#include <QtOpenGL/QGLWidget>
using Qt::WFlags;
#endif
#include <iostream>
class GraphicsWindowQT : public QGLWidget, virtual public osgViewer::GraphicsWindow
class AdapterWidget : public QGLWidget
{
public:
GraphicsWindowQT( QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WFlags f = 0 );
virtual ~GraphicsWindowQT() {}
AdapterWidget( QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WFlags f = 0 );
virtual ~AdapterWidget() {}
osgViewer::GraphicsWindow* getGraphicsWindow() { return _gw.get(); }
const osgViewer::GraphicsWindow* getGraphicsWindow() const { return _gw.get(); }
protected:
void init();
virtual void resizeGL( int width, int height );
virtual void keyPressEvent( QKeyEvent* event );
virtual void keyReleaseEvent( QKeyEvent* event );
@@ -31,31 +47,36 @@ protected:
virtual void mouseMoveEvent( QMouseEvent* event );
QTimer _timer;
osg::ref_ptr<osgViewer::GraphicsWindowEmbedded> _gw;
};
GraphicsWindowQT::GraphicsWindowQT( QWidget * parent, const char * name, const QGLWidget * shareWidget, WFlags f):
AdapterWidget::AdapterWidget( QWidget * parent, const char * name, const QGLWidget * shareWidget, WFlags f):
QGLWidget(parent, name, shareWidget, f)
{
connect(&_timer, SIGNAL(timeout()), this, SLOT(updateGL()));
_timer.start(10);
_gw = new osgViewer::GraphicsWindowEmbedded(0,0,width(),height());
}
void GraphicsWindowQT::resizeGL( int width, int height )
void AdapterWidget::resizeGL( int width, int height )
{
getEventQueue()->windowResize(0, 0, width, height );
_gw->getEventQueue()->windowResize(0, 0, width, height );
_gw->resized(0,0,width,height);
}
void GraphicsWindowQT::keyPressEvent( QKeyEvent* event )
void AdapterWidget::keyPressEvent( QKeyEvent* event )
{
getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
_gw->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
}
void GraphicsWindowQT::keyReleaseEvent( QKeyEvent* event )
void AdapterWidget::keyReleaseEvent( QKeyEvent* event )
{
getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
_gw->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) event->ascii() );
}
void GraphicsWindowQT::mousePressEvent( QMouseEvent* event )
void AdapterWidget::mousePressEvent( QMouseEvent* event )
{
int button = 0;
switch(event->button())
@@ -66,10 +87,10 @@ void GraphicsWindowQT::mousePressEvent( QMouseEvent* event )
case(Qt::NoButton): button = 0; break;
default: button = 0; break;
}
getEventQueue()->mouseButtonPress(event->x(), event->y(), button);
_gw->getEventQueue()->mouseButtonPress(event->x(), event->y(), button);
}
void GraphicsWindowQT::mouseReleaseEvent( QMouseEvent* event )
void AdapterWidget::mouseReleaseEvent( QMouseEvent* event )
{
int button = 0;
switch(event->button())
@@ -80,26 +101,30 @@ void GraphicsWindowQT::mouseReleaseEvent( QMouseEvent* event )
case(Qt::NoButton): button = 0; break;
default: button = 0; break;
}
getEventQueue()->mouseButtonRelease(event->x(), event->y(), button);
_gw->getEventQueue()->mouseButtonRelease(event->x(), event->y(), button);
}
void GraphicsWindowQT::mouseMoveEvent( QMouseEvent* event )
void AdapterWidget::mouseMoveEvent( QMouseEvent* event )
{
getEventQueue()->mouseMotion(event->x(), event->y());
_gw->getEventQueue()->mouseMotion(event->x(), event->y());
}
class SimpleViewerQT : public osgViewer::SimpleViewer, public GraphicsWindowQT
class ViewerQT : public AdapterWidget, public osgViewer::Viewer
{
public:
SimpleViewerQT(QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WFlags f = 0):
GraphicsWindowQT( parent, name, shareWidget, f )
{}
ViewerQT(QWidget * parent = 0, const char * name = 0, const QGLWidget * shareWidget = 0, WFlags f = 0):
AdapterWidget( parent, name, shareWidget, f )
{
getCamera()->setViewport(new osg::Viewport(0,0,width(),height()));
getCamera()->setGraphicsContext(getGraphicsWindow());
setThreadingModel(osgViewer::Viewer::SingleThreaded);
}
virtual void initializeGL()
{
QGLWidget::initializeGL();
QGLWidget::initializeGL();
}
virtual void paintGL()
@@ -128,10 +153,11 @@ int main( int argc, char **argv )
}
SimpleViewerQT* viewerWindow = new SimpleViewerQT;
ViewerQT* viewerWindow = new ViewerQT;
viewerWindow->setSceneData(loadedModel.get());
viewerWindow->setCameraManipulator(new osgGA::TrackballManipulator);
viewerWindow->addEventHandler(new osgViewer::StatsHandler);
viewerWindow->show();
a.connect( &a, SIGNAL(lastWindowClosed()), &a, SLOT(quit()) );