Boolequation *
load_boolequation(ObjectNode obj_node,
const gchar *attrname,
const gchar *defaultvalue,
DiaFont *font,
real fontheight, Color *color)
{
gchar *value = NULL;
Boolequation *booleq;
AttributeNode attr;
booleq = boolequation_create(NULL,font,fontheight,color);
attr = object_find_attribute(obj_node,attrname);
if (attr)
value = data_string(attribute_first_data(attr));
else if (defaultvalue)
value = g_strdup (defaultvalue);
if (value)
boolequation_set_value(booleq,value);
g_free(value);
return booleq;
}
static DiaObject *
transition_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Transition *transition;
DiaObject *obj;
int i;
Element *elem;
DiaFont *default_font = NULL;
real default_fontheight;
Color fg_color;
transition = g_malloc0(sizeof(Transition));
elem = &transition->element;
obj = &elem->object;
obj->type = &transition_type;
obj->ops = &transition_ops;
elem->corner = *startpoint;
elem->width = TRANSITION_DECLAREDWIDTH;
elem->height = TRANSITION_DECLAREDHEIGHT;
element_init(elem, 10,2);
attributes_get_default_font(&default_font,&default_fontheight);
fg_color = attributes_get_foreground();
transition->receptivity =
boolequation_create("",
default_font,
default_fontheight,
&fg_color);
transition->rcep_value = g_strdup("");
transition->rcep_font = dia_font_ref(default_font);
transition->rcep_fontheight = default_fontheight;
transition->rcep_color = fg_color;
dia_font_unref(default_font);
for (i=0;i<8;i++) {
obj->handles[i]->type = HANDLE_NON_MOVABLE;
}
obj->handles[8] = &transition->north;
obj->handles[9] = &transition->south;
transition->north.connect_type = HANDLE_CONNECTABLE;
transition->north.type = HANDLE_MAJOR_CONTROL;
transition->north.id = HANDLE_NORTH;
transition->south.connect_type = HANDLE_CONNECTABLE;
transition->south.type = HANDLE_MAJOR_CONTROL;
transition->south.id = HANDLE_SOUTH;
transition->north.pos.x = -65536.0; /* magic */
for (i=0;i<2;i++) {
obj->connections[i] = &transition->connections[i];
obj->connections[i]->object = obj;
obj->connections[i]->connected = NULL;
}
transition_update_data(transition);
*handle1 = NULL;
*handle2 = obj->handles[0];
return &transition->element.object;
}
