37 lines
1.1 KiB
Factor
37 lines
1.1 KiB
Factor
! Copyright (C) 2005, 2009 Eduardo Cavazos, Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.strings continuations io
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io.encodings.ascii kernel namespaces x11.xlib x11.io
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vocabs vocabs.loader ;
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FROM: alien.c-types => c-bool> ;
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IN: x11
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SYMBOL: dpy
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SYMBOL: scr
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SYMBOL: root
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: init-locale ( -- )
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LC_ALL "" setlocale [ "setlocale() failed" print flush ] unless
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XSupportsLocale c-bool> [ "XSupportsLocale() failed" print flush ] unless ;
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: flush-dpy ( -- ) dpy get XFlush drop ;
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: x-atom ( string -- atom ) [ dpy get ] dip 0 XInternAtom ;
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: check-display ( alien -- alien' )
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[ "Cannot connect to X server - check $DISPLAY" throw ] unless* ;
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: init-x ( display-string -- )
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init-locale
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XOpenDisplay check-display dpy set-global
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dpy get XDefaultScreen scr set-global
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dpy get scr get XRootWindow root set-global
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init-x-io ;
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: close-x ( -- ) dpy get XCloseDisplay drop ;
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: with-x ( display-string quot -- )
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[ init-x ] dip [ close-x ] [ ] cleanup ; inline
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{ "x11" "io.backend.unix" } "x11.io.unix" require-when
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