umenu.hpp

/************************************************************************
 *
 *  umenu.hpp: menu bars, pulldown and popup menus
 *  Ubit GUI Toolkit - Version 6
 *  (C) 2009 | Eric Lecolinet | TELECOM ParisTech | 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.
 * ***********************************************************************/

#ifndef _umenu_hpp_
#define _umenu_hpp_ 1
#include <ubit/uboxes.hpp>
#include <ubit/uwin.hpp>
namespace ubit {
  
  class UMenuManager;
  
  class UMenubar: public UBar {
  public:
    UCLASS(UMenubar)
    
    UMenubar(const UArgs& a = UArgs::none);
    
    static  UStyle* createStyle();
    
    // - - -impl - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#ifndef NO_DOC
    //virtual UElem* getBrowsingGroup() {return this;}  
  protected:
    virtual void menuChildCB(UInputEvent&);
#endif
  };
  
  inline UMenubar& umenubar(const UArgs& args = UArgs::none) {return *new UMenubar(args);}
  
  
  /* ==================================================== ======== ======= */
  class UMenu : public UWin {
  public:
    UCLASS(UMenu)
    
    UMenu(const UArgs& a = UArgs::none);
    
    virtual ~UMenu();
    
    static  UStyle* createStyle();
    virtual UMenu* toMenu() {return this;}
    virtual const UMenu* toMenu() const {return this;}
    
    virtual void show(bool state = true) {UMenu::show(state, null);}
    
    virtual void show(bool state, UDisp*);

    void closeAllMenus(UInputEvent&);
      
    virtual void setPlacement(const UWinPlacement&);
    virtual bool realize();
    
    // - - - Impl. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#ifndef NO_DOC
    virtual void addingTo(UChild&, UElem& parent);
    virtual void removingFrom(UChild&, UElem& parent);
  private:
    friend class UAppli;
    friend class UMenuManager;
    uptr<UCall> menu_opener_cb;
    class UWinPlacement *placement;
  protected:
    virtual void openImpl(UMenuManager&, UView* opener, bool auto_place, UDisp*);
    virtual void menuOpenerCB(UInputEvent&);
    virtual void menuChildCB(UInputEvent&);
#endif
  };
  
  inline UMenu& umenu(const UArgs& args = UArgs::none) {return *new UMenu(args);}
  
  
  /* ==================================================== ======== ======= */
  class UPopmenu : public UMenu {
  public:
    UCLASS(UPopmenu)
    static UStyle* createStyle();
    
    UPopmenu(const UArgs& a = UArgs::none);
    
    virtual void open(UMouseEvent&);
  };
  
  inline UPopmenu& upopmenu(const UArgs& args = UArgs::none) {return *new UPopmenu(args);}
  
}
#endif