60 lines
2.0 KiB
Plaintext
60 lines
2.0 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGVIEWER_HELPHANDLER
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#define OSGVIEWER_HELPHANDLER 1
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#include <osgViewer/Viewer>
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#include <osg/ApplicationUsage>
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namespace osgViewer {
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class OSGVIEWER_EXPORT HelpHandler : public osgGA::GUIEventHandler
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{
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public:
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HelpHandler(osg::ApplicationUsage* au=0);
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void setApplicationUsage(osg::ApplicationUsage* au) { _applicationUsage = au; }
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osg::ApplicationUsage* getApplicationUsage() { return _applicationUsage.get(); }
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const osg::ApplicationUsage* getApplicationUsage() const { return _applicationUsage.get(); }
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void setKeyEventTogglesOnScreenHelp(int key) { _keyEventTogglesOnScreenHelp = key; }
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int getKeyEventTogglesOnScreenHelp() const { return _keyEventTogglesOnScreenHelp; }
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bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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protected:
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void setUpHUDCamera(osgViewer::Viewer* viewer);
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void setUpScene(osgViewer::Viewer* viewer);
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osg::ref_ptr<osg::ApplicationUsage> _applicationUsage;
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int _keyEventTogglesOnScreenHelp;
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bool _helpEnabled;
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osg::ref_ptr<osg::Camera> _camera;
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osg::ref_ptr<osg::Switch> _switch;
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};
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}
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#endif
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