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winex11: Add a helper function to import a Unicode string. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2016-09-27 21:13:07 +09:00
parent 8f24641ff3
commit 1e7878cfa5
1 changed files with 34 additions and 68 deletions
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102
dlls/winex11.drv/clipboard.c
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@ -653,6 +653,33 @@ static WCHAR* uri_to_dos(char *encodedURI)
}
/**************************************************************************
* unicode_text_from_string
*
* Convert a string in the specified encoding to CF_UNICODETEXT format.
*/
static HANDLE unicode_text_from_string( UINT codepage, const void *data, size_t size )
{
DWORD i, j, count;
WCHAR *strW;
count = MultiByteToWideChar( codepage, 0, data, size, NULL, 0);
if (!(strW = GlobalAlloc( GMEM_FIXED, (count * 2 + 1) * sizeof(WCHAR) ))) return 0;
MultiByteToWideChar( codepage, 0, data, size, strW + count, count );
for (i = j = 0; i < count; i++)
{
if (strW[i + count] == '\n') strW[j++] = '\r';
strW[j++] = strW[i + count];
}
strW[j++] = 0;
GlobalReAlloc( strW, j * sizeof(WCHAR), GMEM_FIXED ); /* release unused space */
TRACE( "returning %s\n", debugstr_wn( strW, j - 1 ));
return strW;
}
/**************************************************************************
* import_string
*
@ -688,55 +715,24 @@ static HANDLE import_string( Atom type, const void *data, size_t size )
/**************************************************************************
* import_utf8_string
*
* Import XA_UTF8_STRING, converting the string to CF_UNICODE.
* Import XA_UTF8_STRING, converting the string to CF_UNICODETEXT.
*/
static HANDLE import_utf8_string( Atom type, const void *data, size_t size )
{
const char *lpdata = data;
LPSTR lpstr;
size_t i, inlcount = 0;
WCHAR *textW = NULL;
for (i = 0; i < size; i++)
{
if (lpdata[i] == '\n')
inlcount++;
}
if ((lpstr = HeapAlloc( GetProcessHeap(), 0, size + inlcount + 1 )))
{
UINT count;
for (i = 0, inlcount = 0; i < size; i++)
{
if (lpdata[i] == '\n')
lpstr[inlcount++] = '\r';
lpstr[inlcount++] = lpdata[i];
}
lpstr[inlcount] = 0;
count = MultiByteToWideChar(CP_UTF8, 0, lpstr, -1, NULL, 0);
textW = GlobalAlloc( GMEM_FIXED, count * sizeof(WCHAR) );
if (textW) MultiByteToWideChar( CP_UTF8, 0, lpstr, -1, textW, count );
HeapFree(GetProcessHeap(), 0, lpstr);
}
return textW;
return unicode_text_from_string( CP_UTF8, data, size );
}
/**************************************************************************
* import_compound_text
*
* Import COMPOUND_TEXT to CF_UNICODE
* Import COMPOUND_TEXT to CF_UNICODETEXT.
*/
static HANDLE import_compound_text( Atom type, const void *data, size_t size )
{
int i, j;
char** srcstr;
int count, lcount;
int srclen, destlen;
WCHAR *deststr;
int count;
HANDLE ret;
XTextProperty txtprop;
txtprop.value = (BYTE *)data;
@ -746,39 +742,9 @@ static HANDLE import_compound_text( Atom type, const void *data, size_t size )
if (XmbTextPropertyToTextList( thread_display(), &txtprop, &srcstr, &count ) != Success) return 0;
if (!count) return 0;
TRACE("Importing %d line(s)\n", count);
/* Compute number of lines */
srclen = strlen(srcstr[0]);
for (i = 0, lcount = 0; i <= srclen; i++)
{
if (srcstr[0][i] == '\n')
lcount++;
}
destlen = MultiByteToWideChar(CP_UNIXCP, 0, srcstr[0], -1, NULL, 0);
TRACE("lcount = %d, destlen=%d, srcstr %s\n", lcount, destlen, srcstr[0]);
if ((deststr = GlobalAlloc( GMEM_FIXED, (destlen + lcount + 1) * sizeof(WCHAR) )))
{
MultiByteToWideChar(CP_UNIXCP, 0, srcstr[0], -1, deststr, destlen);
if (lcount)
{
for (i = destlen - 1, j = destlen + lcount - 1; i >= 0; i--, j--)
{
deststr[j] = deststr[i];
if (deststr[i] == '\n')
deststr[--j] = '\r';
}
}
}
ret = unicode_text_from_string( CP_UNIXCP, srcstr[0], strlen(srcstr[0]) + 1 );
XFreeStringList(srcstr);
return deststr;
return ret;
}