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FXAccelTable.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                   A c c e l e r a t o r   T a b l e   C l a s s               *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1998,2002 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: FXAccelTable.h,v 1.11 2002/01/18 22:46:41 jeroen Exp $                   *
00023 ********************************************************************************/
00024 #ifndef FXACCELTABLE_H
00025 #define FXACCELTABLE_H
00026 
00027 #ifndef FXOBJECT_H
00028 #include "FXObject.h"
00029 #endif
00030 
00031 
00032 
00033 struct FXAccelKey;
00034 
00035 
00036 /**
00037 * The accelerator table sends a message to a specific
00038 * target object when the indicated key and modifier combination
00039 * is pressed.
00040 */
00041 class FXAPI FXAccelTable : public FXObject {
00042   FXDECLARE(FXAccelTable)
00043 private:
00044   FXAccelKey *key;          // Accelerator table
00045   FXuint      nkey;         // Accelerator table size
00046   FXuint      num;          // Number of entries
00047 private:
00048   void grow();
00049 private:
00050   FXAccelTable(const FXAccelTable&);
00051   FXAccelTable &operator=(const FXAccelTable&);
00052 public:
00053   long onKeyPress(FXObject*,FXSelector,void*);
00054   long onKeyRelease(FXObject*,FXSelector,void*);
00055 public:
00056 
00057   /// Construct empty accelerator table
00058   FXAccelTable();
00059 
00060   /// Add an accelerator to the table
00061   void addAccel(FXHotKey hotkey,FXObject* target=NULL,FXSelector seldn=0,FXSelector selup=0);
00062 
00063   /// Return true if accelerator specified
00064   FXbool hasAccel(FXHotKey hotkey) const;
00065 
00066   /// Return target object of the given accelerator
00067   FXObject* targetOfAccel(FXHotKey hotkey) const;
00068 
00069   /// Remove mapping for specified hot key
00070   void removeAccel(FXHotKey hotkey);
00071 
00072   /// Save table to a stream
00073   virtual void save(FXStream& store) const;
00074 
00075   /// Load table from a stream
00076   virtual void load(FXStream& store);
00077 
00078   /// Destructor
00079   virtual ~FXAccelTable();
00080   };
00081 
00082 
00083 #endif