containernode.h

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//--- < CONTAINERNODE.H > ------| ViewGraph - A Flexible Graph view Framework |
//
// Very simplistic selection group holding
// only one selection node. Generates
// SelectionChangedEvent's when selection
// was changed.
// 
// $Author: botik32 $
// $Revision: 1.1 $
// $Date: 2004/05/05 07:10:14 $
//-----------------------------------------------------------------------------/

#ifndef CONTAINERNODE_H
#define CONTAINERNODE_H

#include <cZUI/widgetevent.h>
#include <cZUI/message.h>
#include <cZUI/basescenenode.h>
#include <cZUI/groupnode.h>

class ContainerNode : public GroupNode
{
protected:
        BaseSceneNode *selection;
public:
        ContainerNode();
        // see which child got the click event
        // to add/remove it from selection
        bool handle_event( Event *e );
        BaseSceneNode* get_selection( void )
        {
                return selection;
        };

        // remove the selection on blur
        void blur( Camera *c )
        {
                if( selection )
                {
                        UnselectMessage um( 
                                c, selection 
                        );
                        selection->handle_message( &um );
                }
                selection = NULL;
        };
};

#endif

---