umenu.hpp

/* ==================================================== ======== ======= *
*
*  umenu.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 _umenu_hpp_
#define _umenu_hpp_
//pragma ident  "@(#)umenu.hpp  ubit:05.05.00"
#include <ubit/uboxes.hpp>
#include <ubit/uwin.hpp>
namespace ubit {

class UMenuManager;
  
/* ==================================================== ======== ======= */
class UMenubar: public UBar {
public:
  UBIT_ELEMENT_CLASS(UMenubar, UBar)

  UMenubar(const UArgs& a = UArgs::none);
  friend UMenubar& umenubar(const UArgs& a = UArgs::none) {return *new UMenubar(a);}

  // - - -impl - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  static  UStyle* createStyle();
  virtual UGroup* getBrowsingGroup() {return this;}
  
protected:
  void enterChild(UEvent&);
  void leaveChild(UEvent&);
  void relaxChild(UEvent&);
  void armChild(UEvent&);
};

/* ==================================================== ======== ======= */
class UMenu : public UWin {
public:
  UBIT_ELEMENT_CLASS(UMenu, UWin)

  UMenu(const UArgs& a = UArgs::none);

  friend UMenu& umenu(const UArgs& args = UArgs::none) {return *new UMenu(args);}

  virtual ~UMenu();
  virtual class UMenu* menuCast() {return this;}

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

  virtual void show(bool state, UDisp*);
  virtual void show(bool state = true) {UMenu::show(state, null);}
  virtual void show(UMouseEvent&, float x = 0, float y = 0);

  virtual void open(UMouseEvent& e) {show(e);}

  virtual void setPlacement(const UPlacement&);
  // - - - Impl. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  
  static  UStyle* createStyle();
  virtual bool realize();  

#ifndef NO_DOC
  virtual UGroup* getBrowsingGroup();
  virtual void addingTo(UChild*, UGroup *parent);
  virtual void removingFrom(UChild*, UGroup *parent);

private:
  friend class UAppli;
  friend class UMenuManager;
  UGroup *menuBrowsingGroup;
  UCall *enter_opener, *arm_opener, *disarm_opener;
  class UPlacement *placement;

protected:
  virtual void enterChild(UEvent&);
  virtual void leaveChild(UEvent&);
  virtual void relaxChild(UEvent&);
  virtual void enterOpener(UEvent&);
  virtual void armOpener(UEvent&);
  virtual void disarmOpener(UEvent&);
  virtual void openImpl(UMenuManager&, UView* opener, 
                        UGroup* menugroup, bool auto_place, UDisp*);
#endif
};

/* ==================================================== ======== ======= */
class UPopmenu : public UMenu {
public:
  UBIT_ELEMENT_CLASS(UPopmenu, UMenu)

  UPopmenu(const UArgs& a = UArgs::none);

  friend UPopmenu& upopmenu(const UArgs& a = UArgs::none) {return *new UPopmenu(a);}

  static  UStyle* createStyle();
};

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

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