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/* clipfunc.cpp: functions for getting/saving data to/from the Windows clipboard
Copyright (C) 2012, Project Pluto
This program 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
of the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA. */
#include <stdio.h>
#include <windows.h>
int copy_buffer_to_clipboard( const char *contents, const long length);
int copy_file_to_clipboard( const char *filename); /* clipfunc.cpp */
int clipboard_to_file( const char *filename, const int append); /* clipfunc.cpp */
/* Following is copied shamelessly from pdcclip.c from PDCurses. */
/* With one strange addition: "solo" line feeds are expanded to */
/* CR/LFs, resulting in the output being 'n_added' bytes larger. */
int copy_buffer_to_clipboard( const char *contents, const long length)
{
HGLOBAL ptr1;
LPTSTR ptr2;
int i, n_added;
if (!OpenClipboard(NULL))
return -3;
for( i = n_added = 0; i < length; i++)
if( contents[i] != 13 && contents[i + 1] == 10)
n_added++;
ptr1 = GlobalAlloc(GMEM_MOVEABLE|GMEM_DDESHARE,
(length + 1 + n_added) * sizeof(TCHAR));
if (!ptr1)
return -4;
ptr2 = (LPTSTR)GlobalLock(ptr1);
if( !ptr2)
{
GlobalFree(ptr1);
return -6;
}
for( i = n_added = 0; i < length; i++)
{
ptr2[i + n_added] = contents[i];
if( contents[i] != 13 && contents[i + 1] == 10)
{
n_added++;
ptr2[i + n_added] = 13;
}
}
ptr2[length + n_added] = 0;
// memcpy((char *)ptr2, contents, length + 1);
GlobalUnlock(ptr1);
EmptyClipboard();
if (!SetClipboardData( CF_TEXT, ptr1))
{
GlobalFree(ptr1);
return -5;
}
CloseClipboard();
GlobalFree(ptr1);
return 0;
}
int copy_file_to_clipboard( const char *filename)
{
FILE *ifile = fopen( filename, "rb");
int rval;
if( ifile)
{
size_t filesize;
char *buff;
fseek( ifile, 0L, SEEK_END);
filesize = ftell( ifile);
fseek( ifile, 0L, SEEK_SET);
buff = (char *)malloc( filesize);
if( buff)
{
fread( buff, 1, filesize, ifile);
rval = copy_buffer_to_clipboard( buff, (long)filesize);
free( buff);
}
else
rval = -2;
fclose( ifile);
}
else
rval = -1;
return( rval);
}
int clipboard_to_file( const char *filename, const int append)
{
int rval;
if( !OpenClipboard(NULL))
rval = -1;
else
{
char *text;
FILE *ofile;
const char *permits = (append ? "ab" : "wb");
if( (text = (char *)GetClipboardData( CF_OEMTEXT)) == NULL)
rval = -2;
else if( (ofile = fopen( filename, permits)) != NULL)
{
rval = 0;
fwrite( text, 1, strlen( text), ofile);
fclose( ofile);
}
else
rval = -3;
CloseClipboard();
}
return rval;
}
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