/* $Id: widget.h,v 1.12 2005/01/18 06:30:24 reinelt Exp $ * * generic widget handling * * Copyright (C) 2003, 2004 Michael Reinelt <reinelt@eunet.at> * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: widget.h,v $ * Revision 1.12 2005/01/18 06:30:24 reinelt * added (C) to all copyright statements * * Revision 1.11 2004/06/26 12:05:00 reinelt * * uh-oh... the last CVS log message messed up things a lot... * * Revision 1.10 2004/06/26 09:27:21 reinelt * * added '-W' to CFLAGS * changed all C++ comments to C ones * cleaned up a lot of signed/unsigned mistakes * * Revision 1.9 2004/06/20 10:09:56 reinelt * * 'const'ified the whole source * * Revision 1.8 2004/03/03 03:47:04 reinelt * big patch from Martin Hejl: * - use qprintf() where appropriate * - save CPU cycles on gettimeofday() * - add quit() functions to free allocated memory * - fixed lots of memory leaks * * Revision 1.7 2004/01/14 11:33:00 reinelt * new plugin 'uname' which does what it's called * text widget nearly finished * first results displayed on MatrixOrbital * * Revision 1.6 2004/01/13 08:18:20 reinelt * timer queues added * liblcd4linux deactivated turing transformation to new layout * * Revision 1.5 2004/01/11 18:26:02 reinelt * further widget and layout processing * * Revision 1.4 2004/01/10 20:22:33 reinelt * added new function 'cfg_list()' (not finished yet) * added layout.c (will replace processor.c someday) * added widget_text.c (will be the first and most important widget) * modified lcd4linux.c so that old-style configs should work, too * * Revision 1.3 2004/01/10 17:34:40 reinelt * further matrixOrbital changes * widgets initialized * * Revision 1.2 2003/10/05 17:58:50 reinelt * libtool junk; copyright messages cleaned up * * Revision 1.1 2003/09/19 03:51:29 reinelt * minor fixes, widget.c added * */ #ifndef _WIDGET_H_ #define _WIDGET_H_ struct WIDGET; /* forward declaration */ typedef struct WIDGET_CLASS { char *name; int (*init) (struct WIDGET *Self); int (*draw) (struct WIDGET *Self); int (*quit) (struct WIDGET *Self); } WIDGET_CLASS; typedef struct WIDGET{ char *name; WIDGET_CLASS *class; int row; int col; void *data; } WIDGET; int widget_register (WIDGET_CLASS *widget); void widget_unregister (void); int widget_add (const char *name, const int row, const int col); #endif