ucontext.hpp

/* ==================================================== ======== ======= *
*
*  uucontext.hpp
*  Ubit Project
*  Part of the Ubit Toolkit: A Brick Construction Game Model for Creating GUIs
*  (C) 1999-2006 Eric Lecolinet / ENST Paris / http://www.enst.fr/~elc/ubit
*
* ***********************************************************************
* COPYRIGHT NOTICE :
* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY AND WITHOUT EVEN THE
* IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
* YOU CAN REDISTRIBUTE IT AND/OR MODIFY IT UNDER THE TERMS OF THE GNU
* GENERAL PUBLIC LICENSE AS PUBLISHED BY THE FREE SOFTWARE FOUNDATION;
* EITHER VERSION 2 OF THE LICENSE, OR (AT YOUR OPTION) ANY LATER VERSION.
* SEE FILES 'COPYRIGHT' AND 'COPYING' FOR MORE DETAILS.
* ***********************************************************************
* ==================================================== [(c)Elc] ======= *
* ==================================================== ======== ======= */

#ifndef _ucontext_hpp_
#define _ucontext_hpp_
//pragma ident  "@(#)ucontext.hpp       ubit:05.05.00"
#include <ubit/ustyle.hpp>
#include <ubit/ufontImpl.hpp>
#include <ubit/uview.hpp>
#include <ubit/uviewImpl.hpp>
#include <vector>
namespace ubit {

// ====[internal implementation]=========================================
// NOTE: this header is part of the Ubit intrinsics and subject to change

class UContext {
public:
  UContext(UGroup*, UView*, const UContext& parent_ctx, UViewUpdateImpl*);

  UGroup* getObj() {return obj;}
  
  UBox* getBoxParent() {return view->getBoxParent();}
  /*< returns the direct or *indirect* box parent of getObj().
    * 'boxes' are UBox objects or objects that derive from UBox.
    */  
    
  UView* getView() {return view;}

  UView* getWinView();
  
  UGraph* getGraph();
  UDisp* getDisp();

  void rescale();

  void addFlagdef(const UFlagdef*);
  const UFlagdef* getFlagdef(const UFlag&) const;
  const UFlagdef* getFlagdef(const UFlag*) const;
  const UPropdef* getPropdef(const UFlag&) const;
  const UPropdef* getPropdef(const UFlag*) const;

  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#ifndef NO_DOC 
  ULocalProps local;
  UFontDesc fontdesc;
  char valign, halign;      // heritable
  short vspacing, hspacing; // idem
  UEdit* edit;              // idem
  const UColor  *color, *bgcolor;
  UCursor *cursor;
  UPos* pos;                // UPos ou U3dpos, UPos peut etre proportionnelle
  float xyscale;            // current scale
  bool boxIsHFlex, boxIsVFlex; // true if the object is Horiz or Vert Flexible
  unsigned short flag_count;   // number of valid flagdefs for this stack level
  UGroup* obj;
  UView* view;
  const UContext* parent_ctx;
  UWinContext* win_ctx;  // not const because of the flags vector
  UViewUpdateImpl* view_impl; 
  
protected:
  UContext() {}  // for UWinContext
#endif
};

/* ==================================================== ======== ======= */
class UWinContext : public UContext {
public:
  UWinContext(UView* winview, UGraph* = null);
  UGraph* getGraph() {return graph;}

private:
  friend class UContext;
  std::vector<const UFlagdef*> flags;
  UGraph* graph;
};

/* ==================================================== ======== ======= */

inline UView*  UContext::getWinView() {return win_ctx->view;}
inline UDisp*  UContext::getDisp()    {return win_ctx->view->getDisp();}
inline UGraph* UContext::getGraph()   {return win_ctx->graph;}

}
#endif
/* ==================================================== [TheEnd] ======= */
/* ==================================================== [(c)Elc] ======= */

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