void iupTreeSelectLastCollapsedBranch(Ihandle* ih, int *last_id)
{
/* if last selected item is a branch, then select its children */
if (iupStrEqual(IupTreeGetAttribute(ih, "KIND", *last_id), "BRANCH") &&
iupStrEqual(IupTreeGetAttribute(ih, "STATE", *last_id), "COLLAPSED"))
{
int childcount = IupTreeGetInt(ih, "CHILDCOUNT", *last_id);
if (childcount > 0)
{
int start = *last_id + 1;
int end = *last_id + childcount;
IupSetfAttribute(ih, "MARK", "%d-%d", start, end);
*last_id = *last_id + childcount;
}
}
}
VALUE rb_IupTreeGetAttribute(VALUE node,VALUE v_a,VALUE v_id)
{
const char* a = RSTRING_PTR(v_a);
int id = NUM2INT(v_id);
char* v;
VALUE v_ih = rb_iv_get(node,"@ihandle");
v = IupTreeGetAttribute((Ihandle*)NUM2ULONG(v_ih),a,id);
return rb_str_new2(v);
}
static int togglestate(void)
{
char *value;
Ihandle* tree = IupGetHandle("tree");
int id = IupGetInt(tree, "VALUE");
value = IupTreeGetAttribute(tree, "STATE", id);
if (value)
{
if (strcmp(value, "EXPANDED")==0)
IupTreeSetAttribute(tree, "STATE", id, "COLLAPSED");
else
IupTreeSetAttribute(tree, "STATE", id, "EXPANDED");
}
return IUP_DEFAULT;
}