63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
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# ifndef SR_SN_EDITOR_H
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# define SR_SN_EDITOR_H
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/** \file sr_sn_editor.h
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* base editor node
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*/
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# include "sr_sn.h"
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# include "sr_sn_group.h"
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//==================================== SrSnEditor ====================================
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/*! \class SrSnEditor sr_sn_editor.h
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\brief manipulates/edit scene nodes
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SrSnEditor is to be used as a base class to be derived.
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It keeps one child which is the node to manipulate, a
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transformation matrix, and a list of internal nodes to display
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any required manipulation/edition helpers. */
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class SrSnEditor : public SrSn
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{ private :
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SrMat _mat;
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SrSn* _child;
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SrSnGroup* _helpers;
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protected :
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/*! Changes the current node to be manipulated, normally this is to be
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managed by the derived class specific implementation */
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void child ( SrSn *sn );
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/*! Destructor dereferences the child and the helpers group.
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Only accessible through unref(). */
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virtual ~SrSnEditor ();
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public :
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/*! Constructor requires the name of the derived class. */
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SrSnEditor ( const char* name );
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/*! Get a reference to the manipulator matrix. */
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SrMat& mat () { return _mat; }
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/*! Set a new manipulation matrix. */
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void mat ( const SrMat& m ) { _mat=m; }
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/*! Get pointer to the helpers group. Only derived classes should operate
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on the helpers class, however other classes (like the draw action) need
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at least reading access */
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SrSnGroup* helpers () const { return _helpers; }
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/*! Get a pointer to the current child. Can be null. */
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SrSn* child () const { return _child; }
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/*! If 1 is returned, the event is no more propagated and the scene will be
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redrawn. The SrSnEditor implementation simply returns 0 */
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virtual int handle_event ( const SrEvent &e );
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};
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//================================ End of File =================================================
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# endif // SR_SN_EDITOR_H
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