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flightgear/src/Main/FGEventHandler.hxx
ThorstenB b6695cd3fa Configure font in osg StatsHandler for OSG3.
OSG3 relies on "fonts/arial.ttf" being available. FG doesn't provide it -
so it's not necessarily available everywhere (not here). Use one of our
txf fonts instead.
2011-10-29 21:58:11 +02:00

123 lines
3 KiB
C++

#ifndef FGEVENTHANDLER_H
#define FGEVENTHANDLER_H 1
#include <map>
#include <osg/Quat>
#include <osgGA/GUIEventHandler>
#include <osgViewer/ViewerEventHandlers>
#include <simgear/structure/OSGVersion.hxx>
#include "fg_os.hxx"
namespace flightgear
{
class FGStatsHandler : public osgViewer::StatsHandler
{
public:
FGStatsHandler()
{
#if (SG_OSG_VERSION >= 30000)
// Adjust font type/size for >=OSG3.
// OSG defaults aren't working/available for FG.
_font = "Fonts/helvetica_medium.txf";
_characterSize = 12.0f;
#endif
}
};
class FGEventHandler : public osgGA::GUIEventHandler {
public:
FGEventHandler();
virtual ~FGEventHandler() {}
virtual const char* className() const {return "FGEventHandler"; }
#if 0
virtual void init(const osgGA::GUIEventAdapter& ea,
osgGA::GUIActionAdapter& us);
#endif
virtual bool handle(const osgGA::GUIEventAdapter& ea,
osgGA::GUIActionAdapter& us);
void setIdleHandler(fgIdleHandler idleHandler)
{
this->idleHandler = idleHandler;
}
fgIdleHandler getIdleHandler() const
{
return idleHandler;
}
void setKeyHandler(fgKeyHandler keyHandler)
{
this->keyHandler = keyHandler;
}
fgKeyHandler getKeyHandler() const
{
return keyHandler;
}
void setMouseClickHandler(fgMouseClickHandler mouseClickHandler)
{
this->mouseClickHandler = mouseClickHandler;
}
fgMouseClickHandler getMouseClickHandler()
{
return mouseClickHandler;
}
void setMouseMotionHandler(fgMouseMotionHandler mouseMotionHandler)
{
this->mouseMotionHandler = mouseMotionHandler;
}
fgMouseMotionHandler getMouseMotionHandler()
{
return mouseMotionHandler;
}
int getCurrentModifiers() const
{
return currentModifiers;
}
void setMouseWarped()
{
mouseWarped = true;
}
/** Whether or not resizing is supported. It might not be when
* using multiple displays.
*/
bool getResizable() { return resizable; }
void setResizable(bool _resizable) { resizable = _resizable; }
protected:
osg::ref_ptr<osg::Node> _node;
fgIdleHandler idleHandler;
fgKeyHandler keyHandler;
fgMouseClickHandler mouseClickHandler;
fgMouseMotionHandler mouseMotionHandler;
osg::ref_ptr<FGStatsHandler> statsHandler;
osg::ref_ptr<osgGA::GUIEventAdapter> statsEvent;
int statsType;
int currentModifiers;
std::map<int, int> numlockKeyMap;
std::map<int, int> noNumlockKeyMap;
void handleKey(const osgGA::GUIEventAdapter& ea, int& key, int& modifiers);
bool resizable;
bool mouseWarped;
// workaround for osgViewer double scroll events
bool scrollButtonPressed;
int release_keys[128];
void handleStats(osgGA::GUIActionAdapter& us);
};
void eventToWindowCoords(const osgGA::GUIEventAdapter* ea, double& x, double& y);
void eventToWindowCoordsYDown(const osgGA::GUIEventAdapter* ea,
double& x, double& y);
}
#endif