[Xcb] Window closed event and xcb_connect return value.

[shuLhan]

thank for quick reply Julien,

Julien Danjou wrote:
> At 1240571698 time_t, shuLhan wrote:
>> 1. how to get window-closed event ?
> 
> Select unmap or destroy notify on the window.
> 

i will check this later.

>> 2. how do i check fail in xcb_connect() ?
>>
>> 	when i check in xcb_util.c, xcb_connect return
>> 	(xcb_connection_t *) 1 if error. since xcb_connection_t is
>> 	(struct) opaque type how do i cast this to integer ?
> 
> Just cast it.
> 

i have try it before, like this:

	c = xcb_connect(NULL, &screen_nbr);
	s = (int) c;
	if (s == 1) {
		printf("error");
		return 1;
	}

if xcb_connect is not successful it will seg-fault.