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/* Dia -- a diagram creation/manipulation program
* Copyright (C) 1998 Alexander Larsson
*
* Property system for dia objects/shapes.
* Copyright (C) 2000 James Henstridge
* Copyright (C) 2001 Cyrille Chepelov
* Major restructuration done in August 2001 by C. Chepelov
*
* Propoffsets.c: routines which deal with (almost) actually setting/putting
* data in an object's members, and offset lists.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include "properties.h"
#include "propinternals.h"
void
do_set_props_from_offsets(void *base,
GPtrArray *props, const PropOffset *offsets)
{
/* Warning: the name quarks *must* all be valid */
guint i;
for (i = 0; i < props->len; i++) {
Property *prop = g_ptr_array_index(props,i);
const PropOffset *ofs;
for (ofs = offsets; ofs->name ; ofs++) {
if ((prop->name_quark == ofs->name_quark) &&
(prop->type_quark == ofs->type_quark)) {
/* beware of props not set, see PROP_FLAG_OPTIONAL */
if ((prop->experience & PXP_NOTSET) == 0)
prop->ops->set_from_offset(prop,base,ofs->offset,ofs->offset2);
break;
}
}
}
}
void
do_get_props_from_offsets(void *base,
GPtrArray *props, const PropOffset *offsets)
{
/* Warning: the name quarks *must* all be valid */
/* This is identical to do_set_props_from_offsets(). This sucks. */
guint i;
for (i = 0; i < props->len; i++) {
Property *prop = g_ptr_array_index(props,i);
const PropOffset *ofs;
/* nothing set yet - may happen with a foreign property list */
prop->experience |= PXP_NOTSET;
for (ofs = offsets; ofs->name ; ofs++) {
if ((prop->name_quark == ofs->name_quark) &&
(prop->type_quark == ofs->type_quark)) {
prop->ops->get_from_offset(prop,base,ofs->offset,ofs->offset2);
prop->experience &= ~PXP_NOTSET;
break;
}
}
}
}
/* *************************************** */
void
prop_offset_list_calculate_quarks(PropOffset *olist)
{
guint i;
for (i = 0; olist[i].name != NULL; i++) {
if (olist[i].name_quark == 0)
olist[i].name_quark = g_quark_from_static_string(olist[i].name);
if (olist[i].type_quark == 0)
olist[i].type_quark = g_quark_from_static_string(olist[i].type);
if (!olist[i].ops)
olist[i].ops = prop_type_get_ops(olist[i].type);
}
}
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