[Xcb] Window closed event and xcb_connect return value.

[Julien Danjou]

At 1240571698 time_t, shuLhan wrote:
> 1. how to get window-closed event ?

Select unmap or destroy notify on the window.

> 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.

Cheers,
-- 
Julien Danjou
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