update.hpp

/* ==================================================== ======== ======= *
 *
 *  update.hpp : graphics update
 *  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 _update_hpp_
#define _update_hpp_
//pragma ident  "@(#)update.hpp ubit:05.05.00
#include <ubit/udefs.hpp>
namespace ubit {

/* ==================================================== ===== ======= */
class UUpdate {
public:
  enum {
    PAINT = 1<<0,
    
    LAYOUT = 1<<1,
    
    LAYOUT_PAINT = (LAYOUT | PAINT),
    
    NO_DELAY = 1<<2,
    HIDDEN_OBJECTS = 1<<3,
    SOFT_DBF = 1<<4,
    NO_SOFT_DBF = 1<<5,
    SHOW = 1<<6,
    HIDE = 1<<7,
    ADJUST_WIN_SIZE = 1<<8
  };
  
  static const UUpdate paint;
  
  static const UUpdate layoutAndPaint;
  
  ~UUpdate();

  UUpdate(unsigned int mode_mask = LAYOUT|PAINT);  
  UUpdate(const UUpdate&);
  UUpdate& operator=(const UUpdate&);
  
  bool operator==(const UUpdate&);

  void noDelay() {modes |= NO_DELAY;}
  
  void hiddenObjects() {modes |= HIDDEN_OBJECTS;}

  void softDbf() {modes |= SOFT_DBF;}

  UMask getModes() const {return modes;}

  void addModes(unsigned int m) {modes |= m;}
  int  getDbfMode() const;
  bool isHiddenObjectsMode() const {return (modes & HIDDEN_OBJECTS) != 0;}
  
  void setPaintData(const UData*);
  
  void setPaintStr(const UStr*, int strpos1, int strpos2);
  
  void setMove(float delta_x, float delta_y, bool is_percent);
  
  void setScroll(float delta_x, float delta_y, bool is_percent);
  
  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
private:
  friend class UGroup;
  friend class UBox;
  friend class UWin;
  friend class UHardWinImpl;
  friend class USoftWinImpl;
  friend class UAppliImpl;

  enum {
    PROCESS_REQUESTS = 1<<10,
    ADD_REMOVE = 1<<11,
    STR_DATA = 1<<12,  // doit impliquer PAINT
    SCROLL = 1<<13,    // appel direct de updateView() par Scrollpane sans update()
    MOVE   = 1<<14     // appel en NO_DELAY par UPos
  };

  UMask modes;

public:  // a cause d'un bug de CC
  struct ScrollMove {
    ScrollMove(float dx, float dy, bool pd);
    float delta_x, delta_y;
    bool percent_delta;
    int refcount;
  };
  
  struct StrData {
    StrData(const UData* d, int p1, int p2);
    const UData* data;
    const URegion* region;
    int pos1, pos2;
    int refcount;
  };
  
private:
  // IMPL NOTE: il ne DOIT pas y avoir de subclasses car UUpdate est copie
  // directement dans UpdateRequest (voir uappliImpl.hpp)  
  union UpdateImpl {
    StrData* sd;
    ScrollMove* sm;
  } props;
};

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

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