diff options
Diffstat (limited to 'winsup/cygwin/fhandler_clipboard.cc')
-rw-r--r-- | winsup/cygwin/fhandler_clipboard.cc | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_clipboard.cc b/winsup/cygwin/fhandler_clipboard.cc new file mode 100644 index 000000000..6be0b1200 --- /dev/null +++ b/winsup/cygwin/fhandler_clipboard.cc @@ -0,0 +1,95 @@ +/* fhandler_dev_clipboard: code to access /dev/clipboard + + Copyright 2000 Red Hat, Inc + + Written by Charles Wilson (cwilson@ece.gatech.edu) + +This file is part of Cygwin. + +This software is a copyrighted work licensed under the terms of the +Cygwin license. Please consult the file "CYGWIN_LICENSE" for +details. */ + +#include "winsup.h" +#include <stdio.h> +#include <errno.h> +#include "cygerrno.h" +#include "fhandler.h" +#include <windows.h> +#include <wingdi.h> +#include <winuser.h> + +static BOOL clipboard_eof; // NOT THREAD-SAFE + +fhandler_dev_clipboard::fhandler_dev_clipboard (const char *name) + : fhandler_base (FH_CLIPBOARD, name) +{ + set_cb (sizeof *this); + clipboard_eof = false; +} + +int +fhandler_dev_clipboard::open (const char *, int flags, mode_t) +{ + set_flags (flags); + clipboard_eof = false; + return 1; +} + +int +fhandler_dev_clipboard::write (const void *, size_t len) +{ + return len; +} + +int +fhandler_dev_clipboard::read (void *ptr, size_t len) +{ + HGLOBAL hglb; + LPSTR lpstr; + int ret; + + if (!clipboard_eof) + { + OpenClipboard(0); + hglb = GetClipboardData(CF_TEXT); + lpstr = (LPSTR) GlobalLock(hglb); + if (len < sizeof (lpstr)) + { + set_errno (EINVAL); + GlobalUnlock (hglb); + CloseClipboard (); + return -1; + } + + ret = snprintf((char *) ptr, len, "%s", lpstr); + GlobalUnlock(hglb); + CloseClipboard(); + set_errno (0); + clipboard_eof = true; + return ret; + } + else + { + return 0; + } +} + +off_t +fhandler_dev_clipboard::lseek (off_t offset, int whence) +{ + return 0; +} + +int +fhandler_dev_clipboard::close (void) +{ + clipboard_eof = false; + return 0; +} + +void +fhandler_dev_clipboard::dump () +{ + paranoid_printf("here, fhandler_dev_clipboard"); +} |