uigroup.h

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#ifndef uigroup_h
#define uigroup_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Lammertink
 Date:          21/01/2000
 RCS:           $Id$
________________________________________________________________________

-*/

#include "uibasemod.h"
#include "uiobj.h"
#include "uiparent.h"
#include "callback.h"


class uiGroupBody;
class uiParentBody;

class uiGroup;
class uiGroupObjBody;
class uiGroupParentBody;

mFDQtclass(QWidget)


mClass(uiBase) uiGroupObj : public uiObject
{
friend class uiGroup;
protected:
                        uiGroupObj(uiGroup*,uiParent*,const char*,bool);
public:

    virtual             ~uiGroupObj();

    uiGroup*            group() const           { return uigrp_; }

    const ObjectSet<uiBaseObject>* childList() const;

protected:

    uiGroupObjBody*     body_;
    uiGroup*            uigrp_;

    void                bodyDel( CallBacker* );
    void                grpDel( CallBacker* );
};


mExpClass(uiBase) uiGroup : public uiParent
{       
friend class            uiGroupObjBody;
friend class            uiGroupParentBody;
friend class            uiGroupObj;
friend class            uiMainWin;
friend class            uiTabStack;
public:
                        uiGroup( uiParent* , const char* nm="uiGroup", 
                                 bool manage=true );
    virtual             ~uiGroup();

    inline operator     const uiGroupObj*() const { return grpobj_; }
    inline operator     uiGroupObj*()           { return grpobj_; }
    inline operator     const uiObject&() const { return *grpobj_; }
    inline operator     uiObject&()             { return *grpobj_; }
    inline uiObject*    attachObj()             { return grpobj_; }
    inline const uiObject* attachObj() const    { return grpobj_; }
    inline uiParent*    parent()                { return grpobj_->parent(); }
    inline const uiParent* parent() const       { return grpobj_->parent(); }

    void                setHSpacing( int ); 
    void                setVSpacing( int ); 
    void                setSpacing( int s=0 )   
                        { setHSpacing(s); setVSpacing(s); }
    void                setBorder( int ); 

    void                setFrame( bool yn=true );
    void                setNoBackGround();

    uiObject*           hAlignObj();
    void                setHAlignObj( uiObject* o );
    void                setHAlignObj( uiGroup* o )
                            { setHAlignObj(o->mainObject()); }
    uiObject*           hCenterObj();
    void                setHCenterObj( uiObject* o );
    void                setHCenterObj( uiGroup* o )
                            { setHCenterObj(o->mainObject()); }

    void                setIsMain( bool ); 
    virtual uiMainWin*  mainwin()
                            { return mainObject() ? mainObject()->mainwin() :0;}

    static uiGroup*     gtDynamicCastToGrp( mQtclass(QWidget*) );

    void                setChildrenSensitive(bool);

    virtual Notifier<uiBaseObject>& preFinalise()
                                { return mainObject()->preFinalise(); }
    virtual Notifier<uiBaseObject>& postFinalise()
                                { return mainObject()->postFinalise(); }

protected:

    uiGroupObj*         grpobj_;
    uiGroupParentBody*  body_;

    virtual uiObject*   mainobject()                    { return grpobj_; }
    virtual void        attach_( constraintType, uiObject *oth, int margin=-1,
                                bool reciprocal=true);

    virtual void        reDraw_( bool deep )            {}

    void                setShrinkAllowed(bool);
    bool                shrinkAllowed();

    void                bodyDel( CallBacker* );
    void                uiobjDel( CallBacker* );

    void                setFrameStyle(int);

    void                reSizeChildren(const uiObject*,float,float);

public:
    virtual void        setSize(const uiSize&);

};


#endif