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FXMenuCascade.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                        M e n u C a s c a d e   W i d g e t                    *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1997,2002 by Jeroen van der Zijp.   All Rights Reserved.        *
00007 *********************************************************************************
00008 * This library is free software; you can redistribute it and/or                 *
00009 * modify it under the terms of the GNU Lesser General Public                    *
00010 * License as published by the Free Software Foundation; either                  *
00011 * version 2.1 of the License, or (at your option) any later version.            *
00012 *                                                                               *
00013 * This library is distributed in the hope that it will be useful,               *
00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
00016 * Lesser General Public License for more details.                               *
00017 *                                                                               *
00018 * You should have received a copy of the GNU Lesser General Public              *
00019 * License along with this library; if not, write to the Free Software           *
00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
00021 *********************************************************************************
00022 * $Id: FXMenuCascade.h,v 1.18 2002/03/12 07:11:30 fox Exp $                     *
00023 ********************************************************************************/
00024 #ifndef FXMENUCASCADE_H
00025 #define FXMENUCASCADE_H
00026 
00027 #ifndef FXMENUCAPTION_H
00028 #include "FXMenuCaption.h"
00029 #endif
00030 
00031 namespace FX {
00032 
00033 
00034 class FXPopup;
00035 struct FXTimer;
00036 
00037 
00038 /**
00039 * The cascade menu widget is used to bring up a sub menu from a
00040 * pull down menu.
00041 */
00042 class FXAPI FXMenuCascade : public FXMenuCaption {
00043   FXDECLARE(FXMenuCascade)
00044 protected:
00045   FXPopup *pane;
00046   FXTimer *timer;
00047 protected:
00048   FXMenuCascade();
00049   void drawTriangle(FXDCWindow& dc,FXint l,FXint t,FXint r,FXint b);
00050 private:
00051   FXMenuCascade(const FXMenuCascade&);
00052   FXMenuCascade &operator=(const FXMenuCascade&);
00053 public:
00054   long onPaint(FXObject*,FXSelector,void*);
00055   long onEnter(FXObject*,FXSelector,void*);
00056   long onLeave(FXObject*,FXSelector,void*);
00057   long onTimeout(FXObject*,FXSelector,void*);
00058   long onButtonPress(FXObject*,FXSelector,void*);
00059   long onButtonRelease(FXObject*,FXSelector,void*);
00060   long onKeyPress(FXObject*,FXSelector,void*);
00061   long onKeyRelease(FXObject*,FXSelector,void*);
00062   long onHotKeyPress(FXObject*,FXSelector,void*);
00063   long onHotKeyRelease(FXObject*,FXSelector,void*);
00064   long onCmdPost(FXObject*,FXSelector,void*);
00065   long onCmdUnpost(FXObject*,FXSelector,void*);
00066 public:
00067   enum {
00068     ID_MENUTIMER=FXMenuCaption::ID_LAST,
00069     ID_LAST
00070     };
00071 public:
00072 
00073   /// Construct a menu cascade responsible for the given popup menu
00074   FXMenuCascade(FXComposite* p,const FXString& text,FXIcon* ic=NULL,FXPopup* pup=NULL,FXuint opts=0);
00075 
00076   /// Create server-side resources
00077   virtual void create();
00078 
00079   /// Detach server-side resources
00080   virtual void detach();
00081 
00082   /// Destroy server-side resources
00083   virtual void destroy();
00084 
00085   /// Yes it can receive the focus
00086   virtual FXbool canFocus() const;
00087 
00088   /// Move the focus to this window
00089   virtual void setFocus();
00090 
00091   /// Remove the focus from this window
00092   virtual void killFocus();
00093 
00094   /// Set popup menu to pop up
00095   void setMenu(FXPopup *pup){ pane = pup; }
00096 
00097   /// Return popup menu
00098   FXPopup* getMenu() const { return pane; }
00099 
00100   /// True if this menu or is popup logically contains the mouse
00101   virtual FXbool contains(FXint parentx,FXint parenty) const;
00102 
00103   /// Save menu to a stream
00104   virtual void save(FXStream& store) const;
00105 
00106   /// Load menu from a stream
00107   virtual void load(FXStream& store);
00108 
00109   /// Destructor
00110   virtual ~FXMenuCascade();
00111   };
00112 
00113 }
00114 
00115 #endif