FGFS-4.1/OpenSceneGraph
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Renamed the ScreenHandler to WindowSizeHandler, fixed the code style to be conform more

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to the rest of the OSG, and moved the osgviewer across to using the event handlers
in osgViewer.
This commit is contained in:
Robert Osfield
2007-05-14 15:07:04 +00:00
parent 43549f3df6
commit 701ea582e5
3 changed files with 54 additions and 218 deletions
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175
applications/osgviewer/osgviewer.cpp
View File

@@ -19,6 +19,7 @@
#include <osgViewer/Viewer>
#include <osgViewer/StatsHandler>
#include <osgViewer/HelpHandler>
#include <osgViewer/ViewerEventHandler>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
@@ -30,172 +31,6 @@
#include <iostream>
class ThreadingHandler : public osgGA::GUIEventHandler
{
public:
ThreadingHandler()
{
_tickOrLastKeyPress = osg::Timer::instance()->tick();
}
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
if (!viewer) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
double delta = osg::Timer::instance()->delta_s(_tickOrLastKeyPress, osg::Timer::instance()->tick());
if (ea.getKey()=='m' && delta>1.0)
{
_tickOrLastKeyPress = osg::Timer::instance()->tick();
switch(viewer->getThreadingModel())
{
case(osgViewer::Viewer::SingleThreaded):
viewer->setThreadingModel(osgViewer::Viewer::CullDrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'CullDrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::CullDrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::DrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'DrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::DrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext);
osg::notify(osg::NOTICE)<<"Threading model 'CullThreadPerCameraDrawThreadPerContext' selected."<<std::endl;
break;
case(osgViewer::Viewer::CullThreadPerCameraDrawThreadPerContext):
viewer->setThreadingModel(osgViewer::Viewer::SingleThreaded);
osg::notify(osg::NOTICE)<<"Threading model 'SingleThreaded' selected."<<std::endl;
break;
case(osgViewer::Viewer::AutomaticSelection):
viewer->setThreadingModel(viewer->suggestBestThreadingModel());
osg::notify(osg::NOTICE)<<"Threading model 'AutomaticSelection' selected."<<std::endl;
break;
}
return true;
}
if (ea.getKey()=='e')
{
switch(viewer->getEndBarrierPosition())
{
case(osgViewer::Viewer::BeforeSwapBuffers):
viewer->setEndBarrierPosition(osgViewer::Viewer::AfterSwapBuffers);
osg::notify(osg::NOTICE)<<"Threading model 'AfterSwapBuffers' selected."<<std::endl;
break;
case(osgViewer::Viewer::AfterSwapBuffers):
viewer->setEndBarrierPosition(osgViewer::Viewer::BeforeSwapBuffers);
osg::notify(osg::NOTICE)<<"Threading model 'BeforeSwapBuffers' selected."<<std::endl;
break;
}
return true;
}
}
default: break;
}
return false;
}
/** Get the keyboard and mouse usage of this manipulator.*/
virtual void getUsage(osg::ApplicationUsage& usage) const
{
usage.addKeyboardMouseBinding("m","Toggle threading model.");
usage.addKeyboardMouseBinding("e","Toggle the placement of the end of frame barrier.");
}
osg::Timer_t _tickOrLastKeyPress;
bool _done;
};
class FullScreenToggleHandler : public osgGA::GUIEventHandler
{
public:
FullScreenToggleHandler() {}
bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa)
{
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>(&aa);
if (!viewer) return false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::KEYUP):
{
if (ea.getKey()=='f')
{
osgViewer::Viewer::Windows windows;
viewer->getWindows(windows);
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
toggleFullscreen(*itr);
}
}
}
default: break;
}
return false;
}
/** Get the keyboard and mouse usage of this manipulator.*/
virtual void getUsage(osg::ApplicationUsage& usage) const
{
usage.addKeyboardMouseBinding("f","Toggle full screen.");
}
void toggleFullscreen(osgViewer::GraphicsWindow* window)
{
osg::GraphicsContext::WindowingSystemInterface* wsi = osg::GraphicsContext::getWindowingSystemInterface();
if (!wsi)
{
osg::notify(osg::NOTICE)<<"Error, no WindowSystemInterface available, cannot toggle window fullscreen."<<std::endl;
return;
}
unsigned int screen_width, screen_height;
wsi->getScreenResolution(*(window->getTraits()), screen_width, screen_height);
int x, y, width, height;
window->getWindowRectangle(x, y, width, height);
bool isFullScreen = x==0 && y==0 && width==screen_width && height==screen_height;
if (isFullScreen)
{
window->setWindowRectangle(screen_width/4, screen_height/4, screen_width/2, screen_height/2);
window->setWindowDecoration(true);
}
else
{
window->setWindowDecoration(false);
window->setWindowRectangle(0, 0, screen_width, screen_height);
}
window->grabFocusIfPointerInWindow();
return;
}
bool _done;
};
int main(int argc, char** argv)
{
// use an ArgumentParser object to manage the program arguments.
@@ -271,11 +106,11 @@ int main(int argc, char** argv)
viewer.addEventHandler( new osgGA::StateSetManipulator(viewer.getCamera()->getOrCreateStateSet()) );
// add the thread model handler
viewer.addEventHandler(new ThreadingHandler);
viewer.addEventHandler(new osgViewer::ThreadingHandler);
// add the full screen toggle handler
viewer.addEventHandler(new FullScreenToggleHandler);
// add the window size toggle handler
viewer.addEventHandler(new osgViewer::WindowSizeHandler);
// add the stats handler
viewer.addEventHandler(new osgViewer::StatsHandler);