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/* $Id: widget.h,v 1.9 2004/06/20 10:09:56 reinelt Exp $
*
* generic widget handling
*
* Copyright 2003,2004 Michael Reinelt <reinelt@eunet.at>
* Copyright 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 1.9 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
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