/* Only keep await status if focus event is to an ancestor of the await
* region.
*/
static void check_clear_await(WRegion *reg)
{
if(region_is_await(reg) && reg!=(WRegion*)await_watch.obj)
return;
watch_reset(&await_watch);
}
void region_set_await_focus(WRegion *reg)
{
if(reg==NULL){
watch_reset(&await_watch);
}else{
watch_setup(&await_watch, (Obj*)reg,
(WatchHandler*)await_watch_handler);
}
}
void grouppholder_do_unlink(WGroupPHolder *ph)
{
WGroup *group=ph->group;
watch_reset(&(ph->stack_above_watch));
if(ph->recreate_pholder!=NULL){
if(ph->next!=NULL){
ph->next->recreate_pholder=ph->recreate_pholder;
}else{
/* It might be in use in attach chain! So defer. */
mainloop_defer_destroy((Obj*)ph->recreate_pholder);
}
ph->recreate_pholder=NULL;
}
if(group!=NULL){
UNLINK_ITEM(group->phs, ph, next, prev);
}else if(ph->prev!=NULL){
WGroupPHolder *next=ph->next;
ph->prev->next=next;
if(next==NULL){
next=get_head(ph);
assert(next->prev==ph);
}
next->prev=ph->prev;
}else{
/* ph should not be on a list, if prev pointer is NULL (whereas
* next alone can be NULL in our semi-doubly-linked lists).
*/
assert(ph->next==NULL);
}
ph->group=NULL;
ph->next=NULL;
ph->prev=NULL;
}
static void free_node(ObjList **objlist, ObjList *node)
{
watch_reset(&(node->watch));
UNLINK_ITEM(*objlist, node, next, prev);
free(node);
}
