00001 /* var.h -- Variable Definition 00002 Copyright 2001, 2002 Free Software Foundation, Inc. 00003 Written by Stephane Carrez (stcarrez@worldnet.fr) 00004 00005 This file is part of GEL. 00006 00007 GEL is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2, or (at your option) 00010 any later version. 00011 00012 GEL is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with GEL; see the file COPYING. If not, write to 00019 the Free Software Foundation, 59 Temple Place - Suite 330, 00020 Boston, MA 02111-1307, USA. */ 00021 00022 #ifndef _GEL_VAR_H 00023 #define _GEL_VAR_H 00024 00025 #include <stddef.h> 00026 00027 union var_value 00028 { 00029 unsigned char u8; 00030 unsigned short u16; 00031 unsigned long u32; 00032 }; 00033 00034 enum var_type 00035 { 00036 V_UINT8, 00037 V_UINT16, 00038 V_UINT32 00039 }; 00040 00041 enum var_format 00042 { 00043 F_INTEGER, 00044 F_ONOFF 00045 }; 00046 00047 struct var_def 00048 { 00049 const char *title; 00050 enum var_type type : 8; 00051 enum var_format format : 8; 00052 unsigned long min_value; 00053 unsigned long max_value; 00054 unsigned long def_value; 00055 union 00056 { 00057 unsigned char *uint8; 00058 unsigned short *uint16; 00059 unsigned long *uint32; 00060 } u; 00061 }; 00062 00067 extern unsigned long var_value (const struct var_def *var); 00068 00077 extern void var_format (char *buf, const struct var_def *var, 00078 unsigned long value); 00079 00090 extern void var_set_integer (const struct var_def *var, unsigned long value); 00091 00096 extern void var_register (const struct var_def *var); 00097 00098 extern unsigned var_count; 00099 extern const struct var_def *var_list[]; 00100 00101 #endif