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/* Win32 Selection processing for emacs
Copyright (C) 1993, 1994 Free Software Foundation.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Kevin Gallo */
#include <config.h>
#include "lisp.h"
#include "w32term.h" /* for all of the win32 includes */
#include "dispextern.h" /* frame.h seems to want this */
#include "frame.h" /* Need this to get the X window of selected_frame */
#include "blockinput.h"
#if 0
DEFUN ("win32-open-clipboard", Fwin32_open_clipboard, Swin32_open_clipboard, 0, 1, 0,
"This opens the clipboard with the given frame pointer.")
(frame)
Lisp_Object frame;
{
BOOL ok = FALSE;
if (!NILP (frame))
CHECK_LIVE_FRAME (frame, 0);
BLOCK_INPUT;
ok = OpenClipboard ((!NILP (frame) && FRAME_WIN32_P (XFRAME (frame))) ? FRAME_WIN32_WINDOW (XFRAME (frame)) : NULL);
UNBLOCK_INPUT;
return (ok ? frame : Qnil);
}
DEFUN ("win32-empty-clipboard", Fwin32_empty_clipboard, Swin32_empty_clipboard, 0, 0, 0,
"This empties the clipboard and assigns ownership to the window which opened the clipboard.")
()
{
BOOL ok = FALSE;
BLOCK_INPUT;
ok = EmptyClipboard ();
UNBLOCK_INPUT;
return (ok ? Qt : Qnil);
}
DEFUN ("win32-close-clipboard", Fwin32_close_clipboard, Swin32_close_clipboard, 0, 0, 0,
"This closes the clipboard.")
()
{
BOOL ok = FALSE;
BLOCK_INPUT;
ok = CloseClipboard ();
UNBLOCK_INPUT;
return (ok ? Qt : Qnil);
}
#endif
DEFUN ("win32-set-clipboard-data", Fwin32_set_clipboard_data, Swin32_set_clipboard_data, 1, 2, 0,
"This sets the clipboard data to the given text.")
(string, frame)
Lisp_Object string, frame;
{
BOOL ok = TRUE;
HANDLE htext;
CHECK_STRING (string, 0);
if (!NILP (frame))
CHECK_LIVE_FRAME (frame, 0);
BLOCK_INPUT;
/* Allocate twice the amount so we can convert lf to cr-lf */
if ((htext = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, (2 * XSTRING (string)->size) + 1)) == NULL)
goto error;
{
unsigned char *lptext;
if ((lptext = (unsigned char *)GlobalLock (htext)) == NULL)
goto error;
{
int i = XSTRING (string)->size;
int newsize = XSTRING (string)->size;
register char *p1 = XSTRING (string)->data;
register char *p2 = lptext;
while (i--)
{
if (*p1 == '\n')
{
newsize++;
*p2++ = '\r';
}
*p2++ = *p1++;
}
*p2 = 0;
}
GlobalUnlock (htext);
}
if (!OpenClipboard ((!NILP (frame) && FRAME_WIN32_P (XFRAME (frame))) ? FRAME_WIN32_WINDOW (XFRAME (frame)) : NULL))
goto error;
ok = EmptyClipboard () && SetClipboardData (CF_TEXT, htext);
CloseClipboard ();
if (ok) goto done;
error:
ok = FALSE;
if (htext) GlobalFree (htext);
done:
UNBLOCK_INPUT;
return (ok ? string : Qnil);
}
DEFUN ("win32-get-clipboard-data", Fwin32_get_clipboard_data, Swin32_get_clipboard_data, 0, 1, 0,
"This gets the clipboard data in text format.")
(frame)
Lisp_Object frame;
{
HANDLE htext;
Lisp_Object ret = Qnil;
if (!NILP (frame))
CHECK_LIVE_FRAME (frame, 0);
BLOCK_INPUT;
if (!OpenClipboard ((!NILP (frame) && FRAME_WIN32_P (XFRAME (frame))) ? FRAME_WIN32_WINDOW (XFRAME (frame)) : NULL))
goto done;
if ((htext = GetClipboardData (CF_TEXT)) == NULL)
goto closeclip;
{
unsigned char *lptext;
int nbytes;
if ((lptext = (unsigned char *)GlobalLock (htext)) == NULL)
goto closeclip;
nbytes = strlen (lptext);
{
char *buf = (char *) xmalloc (nbytes);
register char *p1 = lptext;
register char *p2 = buf;
int i = nbytes;
if (buf == NULL) goto closeclip;
while (i--)
{
if (p1[0] == '\r' && i && p1[1] == '\n')
{
p1++;
i--;
nbytes--;
}
*p2++ = *p1++;
}
ret = make_string (buf, nbytes);
xfree (buf);
}
GlobalUnlock (htext);
}
closeclip:
CloseClipboard ();
done:
UNBLOCK_INPUT;
return (ret);
}
void
syms_of_win32select ()
{
#if 0
defsubr (&Swin32_open_clipboard);
defsubr (&Swin32_empty_clipboard);
defsubr (&Swin32_close_clipboard);
#endif
defsubr (&Swin32_set_clipboard_data);
defsubr (&Swin32_get_clipboard_data);
}
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