FGFS-4.1/OpenSceneGraph
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Added clean up of the view before destruction of the window

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This commit is contained in:
Robert Osfield 2007-06-08 09:45:11 +00:00
parent 191e12c4b1
commit 0cd7dd12bc
1 changed files with 23 additions and 9 deletions
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32
examples/osgviewerGLUT/osgviewerGLUT.cpp
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@ -19,12 +19,12 @@
#include <osgDB/ReadFile>
osg::ref_ptr<osgViewer::Viewer> viewer;
osg::ref_ptr<osgViewer::GraphicsWindow> window;
osg::observer_ptr<osgViewer::GraphicsWindow> window;
void display(void)
{
// update and render the scene graph
viewer->frame();
if (viewer.valid()) viewer->frame();
// Swap Buffers
glutSwapBuffers();
@ -34,19 +34,28 @@ void display(void)
void reshape( int w, int h )
{
// update the window dimensions, in case the window has been resized.
window->resized(window->getTraits()->x, window->getTraits()->y, w, h);
window->getEventQueue()->windowResize(window->getTraits()->x, window->getTraits()->y, w, h );
if (window.valid())
{
window->resized(window->getTraits()->x, window->getTraits()->y, w, h);
window->getEventQueue()->windowResize(window->getTraits()->x, window->getTraits()->y, w, h );
}
}
void mousebutton( int button, int state, int x, int y )
{
if (state==0) window->getEventQueue()->mouseButtonPress( x, y, button+1 );
else window->getEventQueue()->mouseButtonRelease( x, y, button+1 );
if (window.valid())
{
if (state==0) window->getEventQueue()->mouseButtonPress( x, y, button+1 );
else window->getEventQueue()->mouseButtonRelease( x, y, button+1 );
}
}
void mousemove( int x, int y )
{
window->getEventQueue()->mouseMotion( x, y );
if (window.valid())
{
window->getEventQueue()->mouseMotion( x, y );
}
}
void keyboard( unsigned char key, int /*x*/, int /*y*/ )
@ -54,11 +63,16 @@ 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:
window->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) key );
window->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) key );
if (window.valid())
{
window->getEventQueue()->keyPress( (osgGA::GUIEventAdapter::KeySymbol) key );
window->getEventQueue()->keyRelease( (osgGA::GUIEventAdapter::KeySymbol) key );
}
break;
}
}