factor/library/ui/windows/clipboard.factor

53 lines
1.4 KiB
Factor

! Copyright (C) 2006 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel win32-api math namespaces io prettyprint errors sequences alien
libc gadgets ;
IN: win32
: crlf>lf CHAR: \r swap remove ;
: lf>crlf [ [ dup CHAR: \n = [ CHAR: \r , ] when , ] each ] "" make ;
: (enum-clipboard) ( n -- n )
EnumClipboardFormats win32-error dup 0 > [ dup , (enum-clipboard) ] when ;
: enum-clipboard ( -- seq )
[ 0 (enum-clipboard) ] { } make nip ;
: paste ( -- str )
f OpenClipboard drop
CF_TEXT IsClipboardFormatAvailable 0 = [
! nothing to paste
""
] [
CF_TEXT GetClipboardData
dup GlobalLock swap
GlobalUnlock drop
alien>char-string
] if
CloseClipboard drop
crlf>lf ;
: copy ( str -- )
lf>crlf
f OpenClipboard drop
EmptyClipboard drop
GMEM_MOVEABLE over length 1+ GlobalAlloc dup 0 = [
"unable to allocate memory" throw
] when
dup GlobalLock
rot [ string>char-alien ] keep length memcpy
dup GlobalUnlock drop
CF_TEXT swap SetClipboardData 0 = [
win32-error
"SetClipboardData failed" throw
] when
CloseClipboard drop ;
TUPLE: pasteboard ;
M: pasteboard clipboard-contents drop paste ;
M: pasteboard set-clipboard-contents drop copy ;
: init-clipboard ( -- )
<pasteboard> clipboard set-global ;