1 ! Copyright (C) 2005, 2009 Eduardo Cavazos, Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: alien.strings continuations io
4 io.encodings.ascii kernel namespaces x11.xlib x11.io
13 LC_ALL "" setlocale [ "setlocale() failed" print flush ] unless
14 XSupportsLocale [ "XSupportsLocale() failed" print flush ] unless ;
16 : flush-dpy ( -- ) dpy get XFlush drop ;
18 : x-atom ( string -- atom ) [ dpy get ] dip 0 XInternAtom ;
20 : check-display ( alien -- alien' )
21 [ "Cannot connect to X server - check $DISPLAY" throw ] unless* ;
23 : init-x ( display-string -- )
25 dup [ ascii string>alien ] when
26 XOpenDisplay check-display dpy set-global
27 dpy get XDefaultScreen scr set-global
28 dpy get scr get XRootWindow root set-global
31 : close-x ( -- ) dpy get XCloseDisplay drop ;
33 : with-x ( display-string quot -- )
34 [ init-x ] dip [ close-x ] [ ] cleanup ; inline
36 { "x11" "io.backend.unix" } "x11.io.unix" require-when