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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 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 OSGUI_CALLBACKS
#define OSGUI_CALLBACKS
#include <osg/Callback>
#include <osgGA/EventVisitor>
#include <osgUI/Export>
#include <osgUI/Widget>
namespace osgUI
{
class OSGUI_EXPORT CloseCallback : public osg::CallbackObject
{
public:
CloseCallback(const std::string& callbackName=std::string("close"), osgUI::Widget* closeWidget=0);
CloseCallback(const CloseCallback& hc, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgUI, CloseCallback);
void setCloseWidget(osgUI::Widget* widget) { _closeWidget = widget; }
osgUI::Widget* getCloseWidget() { return _closeWidget.get(); }
const osgUI::Widget* getCloseWidget() const { return _closeWidget.get(); }
virtual bool run(osg::Object* object, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const;
protected:
virtual ~CloseCallback() {}
osg::observer_ptr<osgUI::Widget> _closeWidget;
};
class OSGUI_EXPORT HandleCallback : public osg::CallbackObject
{
public:
HandleCallback();
HandleCallback(const HandleCallback& hc, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgUI, HandleCallback);
virtual bool run(osg::Object* object, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const;
virtual bool handle(osgGA::EventVisitor* ev, osgGA::Event* event) const;
protected:
virtual ~HandleCallback() {}
};
class OSGUI_EXPORT DragCallback : public HandleCallback
{
public:
DragCallback();
DragCallback(const DragCallback& dc, const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
META_Object(osgUI, DragCallback);
void setDragging(bool v) { _dragging = v; }
bool getDragging() const { return _dragging; }
void setPreviousPosition(const osg::Vec3d& position) { _previousPosition = position; }
const osg::Vec3d& getPreviousPosition() const { return _previousPosition; }
virtual bool handle(osgGA::EventVisitor* ev, osgGA::Event* event) const;
protected:
virtual ~DragCallback() {}
bool _dragging;
osg::Vec3d _previousPosition;
};
}
#endif
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