45 lines
1.1 KiB
Factor
45 lines
1.1 KiB
Factor
! Copyright (C) 2012 John Benediktsson
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! See http://factorcode.org/license.txt for BSD license
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USING: accessors alien.c-types classes.struct io.streams.c
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kernel math memoize scratchpad system terminal unix unix.ffi ;
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QUALIFIED-WITH: alien.c-types c
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IN: terminal.macosx
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<PRIVATE
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CONSTANT: IOCPARM_MASK 0x1fff ! parameter length, at most 13 bits
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CONSTANT: IOC_VOID 0x20000000 ! no parameters
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CONSTANT: IOC_OUT 0x40000000 ! copy parameters out
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CONSTANT: IOC_IN 0x80000000 ! copy parameters in
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: _IOC ( inout group num len -- n )
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[ 8 shift ] 2dip IOCPARM_MASK bitand 16 shift
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bitor bitor bitor ;
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: _IO ( group num -- n ) [ IOC_VOID ] 2dip 0 _IOC ;
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: _IOCR ( group num len -- n ) [ IOC_OUT ] 3dip _IOC ;
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: _IOCW ( group num len -- n ) [ IOC_IN ] 3dip _IOC ;
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STRUCT: winsize
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{ ws_row c:short }
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{ ws_col c:short }
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{ ws_xpixel c:short }
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{ ws_ypixel c:short } ;
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MEMO: TIOCGWINSZ ( -- x ) CHAR: t 104 winsize heap-size _IOCR ;
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PRIVATE>
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M: macosx (terminal-size)
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stdout-handle fileno TIOCGWINSZ winsize <struct>
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[ ioctl ] keep swap 0 < [
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drop 0 0
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] [
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[ ws_col>> ] [ ws_row>> ] bi
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] if ;
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