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FXCanvas.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *                          C a n v a s   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: FXCanvas.h,v 1.13 2002/01/18 22:42:51 jeroen Exp $                       *
00023 ********************************************************************************/
00024 #ifndef FXCANVAS_H
00025 #define FXCANVAS_H
00026 
00027 #ifndef FXWINDOW_H
00028 #include "FXWindow.h"
00029 #endif
00030 
00031 
00032 
00033 /// Canvas, an area drawn by another object
00034 class FXAPI FXCanvas : public FXWindow {
00035   FXDECLARE(FXCanvas)
00036 protected:
00037   FXCanvas();
00038 private:
00039   FXCanvas(const FXCanvas&);
00040   FXCanvas &operator=(const FXCanvas&);
00041 public:
00042   long onPaint(FXObject*,FXSelector,void*);
00043   long onMotion(FXObject*,FXSelector,void*);
00044   long onKeyPress(FXObject*,FXSelector,void*);
00045   long onKeyRelease(FXObject*,FXSelector,void*);
00046 public:
00047 
00048   /// Construct new drawing canvas widget
00049   FXCanvas(FXComposite* p,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=FRAME_NORMAL,FXint x=0,FXint y=0,FXint w=0,FXint h=0);
00050 
00051   /// Return TRUE because canvas can receive focus
00052   virtual FXbool canFocus() const;
00053   };
00054 
00055 
00056 #endif