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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 1.15 2002/01/18 22:42:53 jeroen Exp $                  *
00023 ********************************************************************************/
00024 #ifndef FXMENUCASCADE_H
00025 #define FXMENUCASCADE_H
00026 
00027 #ifndef FXMENUCAPTION_H
00028 #include "FXMenuCaption.h"
00029 #endif
00030 
00031 
00032 
00033 class FXPopup;
00034 struct FXTimer;
00035 
00036 
00037 /**
00038 * The cascade menu widget is used to bring up a sub menu from a
00039 * pull down menu.
00040 */
00041 class FXAPI FXMenuCascade : public FXMenuCaption {
00042   FXDECLARE(FXMenuCascade)
00043 protected:
00044   FXPopup *pane;
00045   FXTimer *timer;
00046 protected:
00047   FXMenuCascade();
00048   void drawTriangle(FXDCWindow& dc,FXint l,FXint t,FXint r,FXint b);
00049 private:
00050   FXMenuCascade(const FXMenuCascade&);
00051   FXMenuCascade &operator=(const FXMenuCascade&);
00052 public:
00053   long onPaint(FXObject*,FXSelector,void*);
00054   long onEnter(FXObject*,FXSelector,void*);
00055   long onLeave(FXObject*,FXSelector,void*);
00056   long onTimeout(FXObject*,FXSelector,void*);
00057   long onButtonPress(FXObject*,FXSelector,void*);
00058   long onButtonRelease(FXObject*,FXSelector,void*);
00059   long onKeyPress(FXObject*,FXSelector,void*);
00060   long onKeyRelease(FXObject*,FXSelector,void*);
00061   long onHotKeyPress(FXObject*,FXSelector,void*);
00062   long onHotKeyRelease(FXObject*,FXSelector,void*);
00063   long onCmdPost(FXObject*,FXSelector,void*);
00064   long onCmdUnpost(FXObject*,FXSelector,void*);
00065 public:
00066   enum {
00067     ID_MENUTIMER=FXMenuCaption::ID_LAST,
00068     ID_LAST
00069     };
00070 public:
00071 
00072   /// Construct a menu cascade responsible for the given popup menu
00073   FXMenuCascade(FXComposite* p,const FXString& text,FXIcon* ic=NULL,FXPopup* pup=NULL,FXuint opts=0);
00074 
00075   /// Create server-side resources
00076   virtual void create();
00077 
00078   /// Detach server-side resources
00079   virtual void detach();
00080 
00081   /// Destroy server-side resources
00082   virtual void destroy();
00083 
00084   /// Yes it can receive the focus
00085   virtual FXbool canFocus() const;
00086 
00087   /// Move the focus to this window
00088   virtual void setFocus();
00089 
00090   /// Remove the focus from this window
00091   virtual void killFocus();
00092 
00093   /// Set popup menu to pop up
00094   void setMenu(FXPopup *pup){ pane = pup; }
00095 
00096   /// Return popup menu
00097   FXPopup* getMenu() const { return pane; }
00098 
00099   /// True if this menu or is popup logically contains the mouse
00100   virtual FXbool contains(FXint parentx,FXint parenty) const;
00101 
00102   /// Save menu to a stream
00103   virtual void save(FXStream& store) const;
00104 
00105   /// Load menu from a stream
00106   virtual void load(FXStream& store);
00107 
00108   /// Destructor
00109   virtual ~FXMenuCascade();
00110   };
00111 
00112 
00113 #endif