OpenSceneGraph/include/osgGA/KeySwitchCameraManipulator
2003-03-19 21:14:50 +00:00

101 lines
3.4 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGUTIL_KEYSWITCCAMERAMANIPULATORHER
#define OSGUTIL_KEYSWITCHCAMERAMANIPULATORER 1
#include <osgGA/Export>
#include <osgGA/CameraManipulator>
#include <osgGA/GUIEventHandler>
#include <osgGA/GUIEventHandlerVisitor>
namespace osgGA{
class GUIEventAdapter;
class GUIActionAdapter;
/**
KeySwitchCameraManipulator is a decorator which allows the type of camera manipulator
being used to be switched by pressing a key. E.g. '1' for a TrackballManipultor,
'2' for a DriveManipulator, '3' for a FlightManipulator. The manipulators available,
and the associated switch keys, can be configured.
*/
class OSGGA_EXPORT KeySwitchCameraManipulator : public CameraManipulator
{
public:
virtual const char* className() { return "KeySwitchCamera"; }
/**
Add a camera manipulator with an associated name, and a key to
trigger the switch,
*/
void addCameraManipulator(int key, std::string name, CameraManipulator *cm);
/**
Add a camera manipulator with an autogenerated keybinding which is '1' + previous number of camera's registerd.
*/
void addNumberedCameraManipulator(CameraManipulator *cm);
unsigned int getNumCameraManipualtors() const { return _manips.size(); }
void selectCameraManipulator(unsigned int num);
CameraManipulator* getCurrentCameraManipulator() { return _current.get(); }
const CameraManipulator* getCurrentCameraManipulator() const { return _current.get(); }
CameraManipulator* getCameraManipulator(unsigned int num);
const CameraManipulator* getCameraManipulator(unsigned int num) const;
// Overrides from CameraManipulator...
virtual void setCamera(osg::Camera* c) { _current->setCamera(c); }
virtual const osg::Camera * getCamera() const { return _current->getCamera(); }
virtual osg::Camera * getCamera() { return _current->getCamera(); }
virtual void setNode(osg::Node* n) { _current->setNode(n); }
virtual const osg::Node* getNode() const { return _current->getNode(); }
virtual osg::Node* getNode() { return _current->getNode(); }
virtual void home(const GUIEventAdapter& ee,GUIActionAdapter& aa) { _current->home(ee,aa); }
virtual void init(const GUIEventAdapter& ee,GUIActionAdapter& aa) { _current->init(ee,aa); }
virtual bool handle(const GUIEventAdapter& ea,GUIActionAdapter& us);
/** Get the keyboard and mouse usage of this manipulator.*/
virtual void getUsage(osg::ApplicationUsage& usage) const;
private:
typedef std::pair<std::string, osg::ref_ptr<CameraManipulator> > NamedManipulator;
typedef std::map<int, NamedManipulator> KeyManipMap;
KeyManipMap _manips;
osg::ref_ptr<CameraManipulator> _current;
};
};
#endif