|
GnuCash 2.4.99
|
gnc-basic-gobject.h
00001 /********************************************************************\ 00002 * gnc-basic-gobject.h * 00003 * * 00004 * This program is free software; you can redistribute it and/or * 00005 * modify it under the terms of the GNU General Public License as * 00006 * published by the Free Software Foundation; either version 2 of * 00007 * the License, or (at your option) any later version. * 00008 * * 00009 * This program is distributed in the hope that it will be useful, * 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00012 * GNU General Public License for more details. * 00013 * * 00014 * You should have received a copy of the GNU General Public License* 00015 * along with this program; if not, write to the Free Software * 00016 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * 00017 \********************************************************************/ 00018 00019 00020 #ifndef GNC_BASIC_GOBJECT_H 00021 #define GNC_BASIC_GOBJECT_H 00022 00023 /* A simple macro to define simple gobjects */ 00024 00025 #define GNC_BASIC_GOBJECT_TYPE(type_struct,klass_struct,parent,klass_init,inst_init,get_type_fcn) \ 00026 GType \ 00027 get_type_fcn (void) \ 00028 { \ 00029 static GType type = 0; \ 00030 \ 00031 if (type == 0) { \ 00032 GTypeInfo type_info = { \ 00033 sizeof (klass_struct), \ 00034 NULL, \ 00035 NULL, \ 00036 (GClassInitFunc) klass_init, \ 00037 NULL, \ 00038 NULL, \ 00039 sizeof (type_struct), \ 00040 0, \ 00041 (GInstanceInitFunc) inst_init, \ 00042 }; \ 00043 \ 00044 type = g_type_register_static (parent, #type_struct, &type_info, 0); \ 00045 } \ 00046 \ 00047 return type; \ 00048 } 00049 00050 #define GNC_BASIC_GOBJECT_NEW(type_struct,new_fcn,get_type_fcn) \ 00051 type_struct * \ 00052 new_fcn (void) \ 00053 { \ 00054 return (type_struct *) g_object_new(get_type_fcn (), NULL); \ 00055 } 00056 00057 #define GNC_BASIC_GOBJECT(type_struct,klass_struct,parent,klass_init,inst_init,get_type_fcn,new_fcn) \ 00058 GNC_BASIC_GOBJECT_TYPE(type_struct,klass_struct,parent,klass_init,inst_init,get_type_fcn) \ 00059 GNC_BASIC_GOBJECT_NEW(type_struct,new_fcn,get_type_fcn) 00060 00061 #endif /* GNC_BASIC_GOBJECT_H */
