uappliImpl.hpp

/* ==================================================== ======== ======= *
*
*  uappliImpl.hpp
*  Ubit Project
*  Author: Eric Lecolinet
*  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 _uappliImpl_hpp_
#define _uappliImpl_hpp_
//pragma ident  "@(#)uappliImpl.hpp     ubit:05.05.00"
#include <vector>
#include <ubit/ugroup.hpp>
#include <ubit/uclassImpl.hpp>
#include <ubit/update.hpp>
#include <ubit/ustyle.hpp>
#include <ubit/umessage.hpp>
namespace ubit {

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

struct UpdateRequest {
  UGroup* obj;
  UUpdate upd;
  UpdateRequest(UGroup* _obj, const UUpdate& _upd) : obj(_obj), upd(_upd) {}
};

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

class UAppliImpl {
public:
  UAppliImpl();

  bool isTerminated() const {return is_terminated;}

  bool hasPendingRequest() {return request_mask != 0;}  
  
  void processPendingRequests();

  void beginPaint(UHardWinImpl*);
  void endPaint(UHardWinImpl*);
  void processPaintRequests();

  void addDeleteRequest(UBrick*);
  void addDeleteRequest(UView*);
  void processDeleteRequests();
  
  void addUpdateRequest(UGroup*, const UUpdate&);
  UpdateRequest* findUpdateRequest(UBrick*, unsigned int& k);
  void processUpdateRequests();
  void processUpdateRequest(UpdateRequest&);

  // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

private:
  friend class UAppli;
  friend class UDisp;
  friend class UView;
  friend class UEventFlow;
  friend class UNatAppli;
  friend class UNatDisp;
  friend class UTimer;
  friend class UInput;
  friend class UMService;  // messmap

  UAppli* appli;          
  bool is_terminated;     
  UFrame* main_frame;     
  UNatAppli* natappli;    

  // Note: the display list must be static to avoid seg faults if the UAppli
  // is distroyed before the widgets by the client program 
  UDispList displist;
  UFlowList flowlist;      // list of event flows

  UStyleSheet stylesheet;
  UStr imapath;
  UGroup *inputs, *timers;      
  UMessagePortMap *messmap;     
  UChildren modalwin_list; // modal windows that are currently activated
  UWin* modalwin;
  UHardWinImpl* paint_wini;
  int main_status;         // status of the event loop of the UAppli
  int modal_status;        // status of the inner loop the current modal dialog
  UTime app_motion_lag, nat_motion_lag;

  enum {DELETE_REQUEST = 1<<0, UPDATE_REQUEST = 1<<1, PAINT_REQUEST = 1<<2};
  int request_mask;
  bool syncing_update_requests;
  bool update_data;   // TMP!!!
  std::vector<UpdateRequest> update_list; // objects that will be updated
  std::vector<UBrick*> delete_b_list;     // objects that will be deleted
  std::vector<UView*>  delete_v_list;     // views that will be deleted
};

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

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