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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