GuiBase.h

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//
// $Id: GuiBase.h,v 1.5 2005/08/18 20:12:02 bv Exp $
//
// GuiBase
//
// Package: MIDAD
//
// Base class for all Gui* wrappers.  Provides some support methods.
//
// Contact: bv@bnl.gov
//
// Created on: Thu Nov  8 10:17:21 2001
//

#ifndef GUIBASE_H
#define GUIBASE_H

#include <Midad/Util/Signals.h>
#include <string>
#include <list>

class TList;
class TObject;
class TGFrame;
//class GuiCompositeFrameBase;
class GuiMainWindow;

class GuiBase
#ifndef __CINT__
    : public SigC::Object
#endif
{
    //friend class GuiCompositeFrameBase;

public:

    typedef std::list<SigC::Ptr<GuiBase> > ChildrenList;


    GuiBase();
    virtual ~GuiBase();

    void SetLayoutHints(unsigned int loh) { fLayoutHints = loh; }
    virtual unsigned int GetLayoutHints() { return fLayoutHints; }

    void SetName(const char* name) { fName = name; }
    const char* GetName() { return fName.c_str(); }

    GuiMainWindow* GetMainWindow();


    // override to return your frame if you are a proxy instead of a
    // subclass, default will dynamic_cast<TGFrame*>(this).  
    virtual TGFrame* GetFrame(); 

protected:

    // Storage for cleanup: AddChild rejects (returns false, doesn't
    // store) anything not castable to SigC::Object
    bool AddChild(TGFrame& obj);
    // Unconditionally add obj to a TList and delete at dtor time
    void AddObject(TObject* obj);

    void LayoutChildren(void);

    ChildrenList fChildren;

private:

    TList* fCleanup;
    unsigned int fLayoutHints;
    std::string fName;

};                              // end of class GuiBase

class GuiCompositeFrameBase : public GuiBase
{
public:
    GuiCompositeFrameBase() {}
    virtual ~GuiCompositeFrameBase() {}
    virtual void Add(GuiBase& f);
    virtual void Remove(GuiBase& f);
    virtual void Show(GuiBase& f);
    virtual void Hide(GuiBase& f);
    GuiBase::ChildrenList GetChildrenList() { return fChildren; }
};

#endif  // GUIBASE_H

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