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user32: Reimplement 16-bit clipboard functions on top of the 32-bit ones.

This commit is contained in:
Alexandre Julliard 2009-12-22 21:08:11 +01:00
parent 9d44153273
commit 3313c40b7c
2 changed files with 190 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
dlls/user32/clipboard.c
View File

@ -460,35 +460,6 @@ BOOL WINAPI ChangeClipboardChain(HWND hWnd, HWND hWndNext)
} }
/**************************************************************************
* SetClipboardData (USER.141)
*/
HANDLE16 WINAPI SetClipboardData16(UINT16 wFormat, HANDLE16 hData)
{
CLIPBOARDINFO cbinfo;
HANDLE16 hResult = 0;
TRACE("(%04X, %04x) !\n", wFormat, hData);
/* If it's not owned, data can only be set if the format doesn't exists
and its rendering is not delayed */
if (!CLIPBOARD_GetClipboardInfo(&cbinfo) ||
(!(cbinfo.flags & CB_OWNER) && !hData))
{
WARN("Clipboard not owned by calling task. Operation failed.\n");
return 0;
}
if (USER_Driver->pSetClipboardData(wFormat, hData, 0, cbinfo.flags & CB_OWNER))
{
hResult = hData;
bCBHasChanged = TRUE;
}
return hResult;
}
/************************************************************************** /**************************************************************************
* SetClipboardData (USER32.@) * SetClipboardData (USER32.@)
*/ */
@ -560,28 +531,6 @@ BOOL WINAPI IsClipboardFormatAvailable(UINT wFormat)
} }
/**************************************************************************
* GetClipboardData (USER.142)
*/
HANDLE16 WINAPI GetClipboardData16(UINT16 wFormat)
{
HANDLE16 hData = 0;
CLIPBOARDINFO cbinfo;
if (!CLIPBOARD_GetClipboardInfo(&cbinfo) ||
(~cbinfo.flags & CB_OPEN))
{
WARN("Clipboard not opened by calling task.\n");
SetLastError(ERROR_CLIPBOARD_NOT_OPEN);
return 0;
}
if (!USER_Driver->pGetClipboardData(wFormat, &hData, NULL)) hData = 0;
return hData;
}
/************************************************************************** /**************************************************************************
* GetClipboardData (USER32.@) * GetClipboardData (USER32.@)
*/ */

192
dlls/user32/user16.c
View File

@ -40,9 +40,11 @@ WINE_DEFAULT_DEBUG_CHANNEL(user);
/* handle to handle 16 conversions */ /* handle to handle 16 conversions */
#define HANDLE_16(h32) (LOWORD(h32)) #define HANDLE_16(h32) (LOWORD(h32))
#define HGDIOBJ_16(h32) (LOWORD(h32))
/* handle16 to handle conversions */ /* handle16 to handle conversions */
#define HANDLE_32(h16) ((HANDLE)(ULONG_PTR)(h16)) #define HANDLE_32(h16) ((HANDLE)(ULONG_PTR)(h16))
#define HGDIOBJ_32(h16) ((HGDIOBJ)(ULONG_PTR)(h16))
#define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16)) #define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16))
#define IS_MENU_STRING_ITEM(flags) \ #define IS_MENU_STRING_ITEM(flags) \
@ -340,6 +342,52 @@ static void free_module_icons( HINSTANCE16 inst )
} }
} }
/**********************************************************************
* Management of the 16-bit clipboard formats
*/
struct clipboard_format
{
struct list entry;
UINT format;
HANDLE16 data;
};
static struct list clipboard_formats = LIST_INIT( clipboard_formats );
static void set_clipboard_format( UINT format, HANDLE16 data )
{
struct clipboard_format *fmt;
/* replace it if it exists already */
LIST_FOR_EACH_ENTRY( fmt, &clipboard_formats, struct clipboard_format, entry )
{
if (fmt->format != format) continue;
GlobalFree16( fmt->data );
fmt->data = data;
return;
}
if ((fmt = HeapAlloc( GetProcessHeap(), 0, sizeof(*fmt) )))
{
fmt->format = format;
fmt->data = data;
list_add_tail( &clipboard_formats, &fmt->entry );
}
}
static void free_clipboard_formats(void)
{
struct list *head;
while ((head = list_head( &clipboard_formats )))
{
struct clipboard_format *fmt = LIST_ENTRY( head, struct clipboard_format, entry );
list_remove( &fmt->entry );
GlobalFree16( fmt->data );
HeapFree( GetProcessHeap(), 0, fmt );
}
}
/********************************************************************** /**********************************************************************
* InitApp (USER.5) * InitApp (USER.5)
@ -679,7 +727,9 @@ void WINAPI MessageBeep16( UINT16 i )
*/ */
BOOL16 WINAPI CloseClipboard16(void) BOOL16 WINAPI CloseClipboard16(void)
{ {
return CloseClipboard(); BOOL ret = CloseClipboard();
if (ret) free_clipboard_formats();
return ret;
} }
@ -688,7 +738,145 @@ BOOL16 WINAPI CloseClipboard16(void)
*/ */
BOOL16 WINAPI EmptyClipboard16(void) BOOL16 WINAPI EmptyClipboard16(void)
{ {
return EmptyClipboard(); BOOL ret = EmptyClipboard();
if (ret) free_clipboard_formats();
return ret;
}
/**************************************************************************
* SetClipboardData (USER.141)
*/
HANDLE16 WINAPI SetClipboardData16( UINT16 format, HANDLE16 data16 )
{
HANDLE data32 = 0;
switch (format)
{
case CF_BITMAP:
case CF_PALETTE:
data32 = HGDIOBJ_32( data16 );
break;
case CF_METAFILEPICT:
{
METAHEADER *header;
METAFILEPICT *pict32;
METAFILEPICT16 *pict16 = GlobalLock16( data16 );
if (pict16)
{
if (!(data32 = GlobalAlloc( GMEM_MOVEABLE, sizeof(*pict32) ))) return 0;
pict32 = GlobalLock( data32 );
pict32->mm = pict16->mm;
pict32->xExt = pict16->xExt;
pict32->yExt = pict16->yExt;
header = GlobalLock16( pict16->hMF );
pict32->hMF = SetMetaFileBitsEx( header->mtSize * 2, (BYTE *)header );
GlobalUnlock16( pict16->hMF );
GlobalUnlock( data32 );
}
set_clipboard_format( format, data16 );
break;
}
case CF_ENHMETAFILE:
FIXME( "enhmetafile not supported in 16-bit\n" );
return 0;
default:
if (format >= CF_GDIOBJFIRST && format <= CF_GDIOBJLAST)
data32 = HGDIOBJ_32( data16 );
else if (format >= CF_PRIVATEFIRST && format <= CF_PRIVATELAST)
data32 = HANDLE_32( data16 );
else
{
UINT size = GlobalSize16( data16 );
void *ptr32, *ptr16 = GlobalLock16( data16 );
if (ptr16)
{
if (!(data32 = GlobalAlloc( GMEM_MOVEABLE, size ))) return 0;
ptr32 = GlobalLock( data32 );
memcpy( ptr32, ptr16, size );
GlobalUnlock( data32 );
}
set_clipboard_format( format, data16 );
}
break;
}
if (!SetClipboardData( format, data32 )) return 0;
return data16;
}
/**************************************************************************
* GetClipboardData (USER.142)
*/
HANDLE16 WINAPI GetClipboardData16( UINT16 format )
{
HANDLE data32 = GetClipboardData( format );
HANDLE16 data16 = 0;
UINT size;
void *ptr;
if (!data32) return 0;
switch (format)
{
case CF_BITMAP:
case CF_PALETTE:
data16 = HGDIOBJ_16( data32 );
break;
case CF_METAFILEPICT:
{
METAFILEPICT16 *pict16;
METAFILEPICT *pict32 = GlobalLock( data32 );
if (pict32)
{
if (!(data16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(*pict16) ))) return 0;
pict16 = GlobalLock16( data16 );
pict16->mm = pict32->mm;
pict16->xExt = pict32->xExt;
pict16->yExt = pict32->yExt;
size = GetMetaFileBitsEx( pict32->hMF, 0, NULL );
pict16->hMF = GlobalAlloc16( GMEM_MOVEABLE, size );
ptr = GlobalLock16( pict16->hMF );
GetMetaFileBitsEx( pict32->hMF, size, ptr );
GlobalUnlock16( pict16->hMF );
GlobalUnlock16( data16 );
set_clipboard_format( format, data16 );
}
break;
}
case CF_ENHMETAFILE:
FIXME( "enhmetafile not supported in 16-bit\n" );
return 0;
default:
if (format >= CF_GDIOBJFIRST && format <= CF_GDIOBJLAST)
data16 = HGDIOBJ_16( data32 );
else if (format >= CF_PRIVATEFIRST && format <= CF_PRIVATELAST)
data16 = HANDLE_16( data32 );
else
{
void *ptr16, *ptr32 = GlobalLock( data32 );
if (ptr32)
{
size = GlobalSize( data32 );
if (!(data16 = GlobalAlloc16( GMEM_MOVEABLE, size ))) return 0;
ptr16 = GlobalLock16( data16 );
memcpy( ptr16, ptr32, size );
GlobalUnlock16( data16 );
set_clipboard_format( format, data16 );
}
}
break;
}
return data16;
} }