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Sweden-Number/windows/clipboard.c

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/*
* WINE clipboard function handling
*
* Copyright 1994 Martin Ayotte
* 1996 Alex Korobka
*
*/
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include "winuser.h"
#include "wine/winuser16.h"
#include "heap.h"
#include "task.h"
#include "message.h"
#include "clipboard.h"
#include "xmalloc.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(clipboard)
#define CF_REGFORMATBASE 0xC000
/**************************************************************************
* internal variables
*/
CLIPBOARD_DRIVER *CLIPBOARD_Driver = NULL;
static HQUEUE16 hqClipLock = 0;
static BOOL bCBHasChanged = FALSE;
HWND hWndClipOwner = 0; /* current clipboard owner */
HWND hWndClipWindow = 0; /* window that opened clipboard */
static HWND hWndViewer = 0; /* start of viewers chain */
static WORD LastRegFormat = CF_REGFORMATBASE;
WINE_CLIPFORMAT ClipFormats[16] = {
{ CF_TEXT, 1, 0, "Text", (HANDLE)NULL, (HANDLE)NULL, 0, NULL, &ClipFormats[1] , (HANDLE16)NULL},
{ CF_BITMAP, 1, 0, "Bitmap", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[0], &ClipFormats[2] , (HANDLE16)NULL},
{ CF_METAFILEPICT, 1, 0, "MetaFile Picture", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[1], &ClipFormats[3] , (HANDLE16)NULL},
{ CF_SYLK, 1, 0, "Sylk", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[2], &ClipFormats[4] , (HANDLE16)NULL},
{ CF_DIF, 1, 0, "DIF", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[3], &ClipFormats[5] , (HANDLE16)NULL},
{ CF_TIFF, 1, 0, "TIFF", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[4], &ClipFormats[6] , (HANDLE16)NULL},
{ CF_OEMTEXT, 1, 0, "OEM Text", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[5], &ClipFormats[7] , (HANDLE16)NULL},
{ CF_DIB, 1, 0, "DIB", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[6], &ClipFormats[8] , (HANDLE16)NULL},
{ CF_PALETTE, 1, 0, "Palette", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[7], &ClipFormats[9] , (HANDLE16)NULL},
{ CF_PENDATA, 1, 0, "PenData", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[8], &ClipFormats[10] , (HANDLE16)NULL},
{ CF_RIFF, 1, 0, "RIFF", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[9], &ClipFormats[11] , (HANDLE16)NULL},
{ CF_WAVE, 1, 0, "Wave", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[10], &ClipFormats[12] , (HANDLE16)NULL},
{ CF_OWNERDISPLAY, 1, 0, "Owner Display", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[11], &ClipFormats[13] , (HANDLE16)NULL},
{ CF_DSPTEXT, 1, 0, "DSPText", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[12], &ClipFormats[14] , (HANDLE16)NULL},
{ CF_DSPMETAFILEPICT, 1, 0, "DSPMetaFile Picture", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[13], &ClipFormats[15] , (HANDLE16)NULL},
{ CF_DSPBITMAP, 1, 0, "DSPBitmap", (HANDLE)NULL, (HANDLE)NULL, 0, &ClipFormats[14], NULL , (HANDLE16)NULL}
};
static LPWINE_CLIPFORMAT __lookup_format( LPWINE_CLIPFORMAT lpFormat, WORD wID )
{
while(TRUE)
{
if (lpFormat == NULL ||
lpFormat->wFormatID == wID) break;
lpFormat = lpFormat->NextFormat;
}
return lpFormat;
}
/**************************************************************************
* CLIPBOARD_ResetLock
*/
void CLIPBOARD_ResetLock( HQUEUE16 hqCurrent, HQUEUE16 hqNew )
{
if( hqClipLock == hqCurrent )
{
if( hqNew )
hqClipLock = hqNew;
else
{
hWndClipOwner = 0;
hWndClipWindow = 0;
EmptyClipboard();
hqClipLock = 0;
}
}
}
/**************************************************************************
* CLIPBOARD_DeleteRecord
*/
void CLIPBOARD_DeleteRecord(LPWINE_CLIPFORMAT lpFormat, BOOL bChange)
{
if( (lpFormat->wFormatID >= CF_GDIOBJFIRST &&
lpFormat->wFormatID <= CF_GDIOBJLAST) || lpFormat->wFormatID == CF_BITMAP )
{
if (lpFormat->hData32)
DeleteObject(lpFormat->hData32);
if (lpFormat->hData16)
DeleteObject16(lpFormat->hData16);
}
else if( lpFormat->wFormatID == CF_METAFILEPICT )
{
if (lpFormat->hData32)
{
DeleteMetaFile( ((METAFILEPICT *)GlobalLock( lpFormat->hData32 ))->hMF );
GlobalFree(lpFormat->hData32);
if (lpFormat->hDataSrc32)
GlobalFree(lpFormat->hDataSrc32);
if (lpFormat->hData16)
/* HMETAFILE16 and HMETAFILE32 are apparently the same thing,
and a shallow copy is enough to share a METAFILEPICT
structure between 16bit and 32bit clipboards. The MetaFile
should of course only be deleted once. */
GlobalFree16(lpFormat->hData16);
}
if (lpFormat->hData16)
{
DeleteMetaFile16( ((METAFILEPICT16 *)GlobalLock16( lpFormat->hData16 ))->hMF );
GlobalFree16(lpFormat->hData16);
}
}
else
{
if (lpFormat->hData32)
GlobalFree(lpFormat->hData32);
if (lpFormat->hDataSrc32)
GlobalFree(lpFormat->hDataSrc32);
if (lpFormat->hData16)
GlobalFree16(lpFormat->hData16);
}
lpFormat->wDataPresent = 0;
lpFormat->hData16 = 0;
lpFormat->hData32 = 0;
if( bChange ) bCBHasChanged = TRUE;
}
/**************************************************************************
* CLIPBOARD_IsPresent
*/
BOOL CLIPBOARD_IsPresent(WORD wFormat)
{
/* special case */
if( wFormat == CF_TEXT || wFormat == CF_OEMTEXT )
return ClipFormats[CF_TEXT-1].wDataPresent ||
ClipFormats[CF_OEMTEXT-1].wDataPresent;
else
{
LPWINE_CLIPFORMAT lpFormat = __lookup_format( ClipFormats, wFormat );
if( lpFormat ) return (lpFormat->wDataPresent);
}
return FALSE;
}
/**************************************************************************
* CLIPBOARD_IsMemoryObject
* Tests if the clipboard format specifies a memory object
*/
BOOL CLIPBOARD_IsMemoryObject( WORD wFormat )
{
switch(wFormat)
{
case CF_BITMAP:
case CF_METAFILEPICT:
case CF_DSPTEXT:
case CF_ENHMETAFILE:
case CF_HDROP:
case CF_PALETTE:
case CF_PENDATA:
return FALSE;
default:
return TRUE;
}
}
/***********************************************************************
* CLIPBOARD_GlobalDupMem( HGLOBAL )
* Helper method to duplicate an HGLOBAL chunk of memory into shared memory
*/
HGLOBAL CLIPBOARD_GlobalDupMem( HGLOBAL hGlobalSrc )
{
HGLOBAL hGlobalDest;
PVOID pGlobalSrc, pGlobalDest;
DWORD cBytes;
if ( !hGlobalSrc )
return 0;
cBytes = GlobalSize(hGlobalSrc);
if ( 0 == cBytes )
return 0;
/* Turn on the DDESHARE and _MOVEABLE flags explicitly */
hGlobalDest = GlobalAlloc( GlobalFlags(hGlobalSrc) | GMEM_DDESHARE | GMEM_MOVEABLE,
cBytes );
if ( !hGlobalDest )
return 0;
pGlobalSrc = GlobalLock(hGlobalSrc);
pGlobalDest = GlobalLock(hGlobalDest);
if ( !pGlobalSrc || !pGlobalDest )
return 0;
memcpy(pGlobalDest, pGlobalSrc, cBytes);
GlobalUnlock(hGlobalSrc);
GlobalUnlock(hGlobalDest);
return hGlobalDest;
}
/**************************************************************************
* OpenClipboard16 (USER.137)
*/
BOOL16 WINAPI OpenClipboard16( HWND16 hWnd )
{
return OpenClipboard( hWnd );
}
/**************************************************************************
* OpenClipboard32 (USER32.407)
*
* Note: Netscape uses NULL hWnd to open the clipboard.
*/
BOOL WINAPI OpenClipboard( HWND hWnd )
{
BOOL bRet;
TRACE("(%04x)...\n", hWnd);
if (!hqClipLock)
{
hqClipLock = GetFastQueue16();
hWndClipWindow = hWnd;
bCBHasChanged = FALSE;
bRet = TRUE;
}
else bRet = FALSE;
TRACE(" returning %i\n", bRet);
return bRet;
}
/**************************************************************************
* CloseClipboard16 (USER.138)
*/
BOOL16 WINAPI CloseClipboard16(void)
{
return CloseClipboard();
}
/**************************************************************************
* CloseClipboard32 (USER32.54)
*/
BOOL WINAPI CloseClipboard(void)
{
TRACE("!\n");
if (hqClipLock == GetFastQueue16())
{
hWndClipWindow = 0;
if (bCBHasChanged && hWndViewer)
SendMessage16(hWndViewer, WM_DRAWCLIPBOARD, 0, 0L);
hqClipLock = 0;
}
return TRUE;
}
/**************************************************************************
* EmptyClipboard16 (USER.139)
*/
BOOL16 WINAPI EmptyClipboard16(void)
{
return EmptyClipboard();
}
/**************************************************************************
* EmptyClipboard32 (USER32.169)
*/
BOOL WINAPI EmptyClipboard(void)
{
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
TRACE("(void)\n");
if (hqClipLock != GetFastQueue16()) return FALSE;
/* destroy private objects */
if (hWndClipOwner)
SendMessage16(hWndClipOwner, WM_DESTROYCLIPBOARD, 0, 0L);
while(lpFormat)
{
if ( lpFormat->wDataPresent || lpFormat->hData16 || lpFormat->hData32 )
CLIPBOARD_DeleteRecord( lpFormat, TRUE );
lpFormat = lpFormat->NextFormat;
}
hWndClipOwner = hWndClipWindow;
CLIPBOARD_Driver->pEmpty();
return TRUE;
}
/**************************************************************************
* GetClipboardOwner16 (USER.140)
*/
HWND16 WINAPI GetClipboardOwner16(void)
{
return hWndClipOwner;
}
/**************************************************************************
* GetClipboardOwner32 (USER32.225)
*/
HWND WINAPI GetClipboardOwner(void)
{
return hWndClipOwner;
}
/**************************************************************************
* SetClipboardData16 (USER.141)
*/
HANDLE16 WINAPI SetClipboardData16( UINT16 wFormat, HANDLE16 hData )
{
LPWINE_CLIPFORMAT lpFormat = __lookup_format( ClipFormats, wFormat );
TRACE("(%04X, %04x) !\n", wFormat, hData);
/* NOTE: If the hData is zero and current owner doesn't match
* the window that opened the clipboard then this application
* is screwed because WM_RENDERFORMAT will go to the owner
* (to become the owner it must call EmptyClipboard() before
* adding new data).
*/
if( (hqClipLock != GetFastQueue16()) || !lpFormat ||
(!hData && (!hWndClipOwner || (hWndClipOwner != hWndClipWindow))) ) return 0;
CLIPBOARD_Driver->pSetData(wFormat);
if ( lpFormat->wDataPresent || lpFormat->hData16 || lpFormat->hData32 )
{
CLIPBOARD_DeleteRecord(lpFormat, TRUE);
/* delete existing CF_TEXT/CF_OEMTEXT aliases */
if( wFormat == CF_TEXT
&& ( ClipFormats[CF_OEMTEXT-1].hData16
|| ClipFormats[CF_OEMTEXT-1].hData32 )
&& !ClipFormats[CF_OEMTEXT-1].wDataPresent )
CLIPBOARD_DeleteRecord(&ClipFormats[CF_OEMTEXT-1], TRUE);
if( wFormat == CF_OEMTEXT
&& ( ClipFormats[CF_OEMTEXT-1].hData16
|| ClipFormats[CF_OEMTEXT-1].hData32 )
&& !ClipFormats[CF_TEXT-1].wDataPresent )
CLIPBOARD_DeleteRecord(&ClipFormats[CF_TEXT-1], TRUE);
}
bCBHasChanged = TRUE;
lpFormat->wDataPresent = 1;
lpFormat->hData16 = hData; /* 0 is legal, see WM_RENDERFORMAT */
lpFormat->hData32 = 0;
return lpFormat->hData16;
}
/**************************************************************************
* SetClipboardData (USER32.470)
*/
HANDLE WINAPI SetClipboardData( UINT wFormat, HANDLE hData )
{
LPWINE_CLIPFORMAT lpFormat = __lookup_format( ClipFormats, wFormat );
TRACE("(%08X, %08x) !\n", wFormat, hData);
/* NOTE: If the hData is zero and current owner doesn't match
* the window that opened the clipboard then this application
* is screwed because WM_RENDERFORMAT will go to the owner
* (to become the owner it must call EmptyClipboard() before
* adding new data).
*/
if( (hqClipLock != GetFastQueue16()) || !lpFormat ||
(!hData && (!hWndClipOwner || (hWndClipOwner != hWndClipWindow))) ) return 0;
CLIPBOARD_Driver->pSetData(wFormat);
if ( lpFormat->wDataPresent || lpFormat->hData16 || lpFormat->hData32 )
{
CLIPBOARD_DeleteRecord(lpFormat, TRUE);
/* delete existing CF_TEXT/CF_OEMTEXT aliases */
if( wFormat == CF_TEXT
&& ( ClipFormats[CF_OEMTEXT-1].hData16
|| ClipFormats[CF_OEMTEXT-1].hData32 )
&& !ClipFormats[CF_OEMTEXT-1].wDataPresent )
CLIPBOARD_DeleteRecord(&ClipFormats[CF_OEMTEXT-1], TRUE);
if( wFormat == CF_OEMTEXT
&& ( ClipFormats[CF_OEMTEXT-1].hData16
|| ClipFormats[CF_OEMTEXT-1].hData32 )
&& !ClipFormats[CF_TEXT-1].wDataPresent )
CLIPBOARD_DeleteRecord(&ClipFormats[CF_TEXT-1], TRUE);
}
bCBHasChanged = TRUE;
lpFormat->wDataPresent = 1;
lpFormat->hDataSrc32 = hData; /* Save the source handle */
/*
* Make a shared duplicate if the memory is not shared
* TODO: What should be done for non-memory objects
*/
if ( CLIPBOARD_IsMemoryObject(wFormat) && hData && !(GlobalFlags(hData) & GMEM_DDESHARE) )
lpFormat->hData32 = CLIPBOARD_GlobalDupMem( hData );
else
lpFormat->hData32 = hData; /* 0 is legal, see WM_RENDERFORMAT */
lpFormat->hData16 = 0;
return lpFormat->hData32;
}
/**************************************************************************
* CLIPBOARD_RenderFormat
*/
static BOOL CLIPBOARD_RenderFormat(LPWINE_CLIPFORMAT lpFormat)
{
if( lpFormat->wDataPresent && !lpFormat->hData16 && !lpFormat->hData32 )
{
if( IsWindow(hWndClipOwner) )
SendMessage16(hWndClipOwner,WM_RENDERFORMAT,
(WPARAM16)lpFormat->wFormatID,0L);
else
{
WARN("\thWndClipOwner (%04x) is lost!\n",
hWndClipOwner);
hWndClipOwner = 0; lpFormat->wDataPresent = 0;
return FALSE;
}
}
return (lpFormat->hData16 || lpFormat->hData32) ? TRUE : FALSE;
}
/**************************************************************************
* CLIPBOARD_RenderText
*
* Convert text between UNIX and DOS formats.
*
* FIXME: Should be a pair of driver functions that convert between OEM text and Windows.
*
*/
static BOOL CLIPBOARD_RenderText(LPWINE_CLIPFORMAT lpTarget, LPWINE_CLIPFORMAT lpSource)
{
UINT16 size;
LPCSTR lpstrS;
LPSTR lpstrT;
if (lpSource->hData32)
{
size = GlobalSize( lpSource->hData32 );
lpstrS = (LPSTR)GlobalLock(lpSource->hData32);
}
else
{
size = GlobalSize16( lpSource->hData16 );
lpstrS = (LPSTR)GlobalLock16(lpSource->hData16);
}
if( !lpstrS ) return FALSE;
TRACE("\tconverting from '%s' to '%s', %i chars\n",
lpSource->Name, lpTarget->Name, size);
lpTarget->hData32 = GlobalAlloc(GMEM_ZEROINIT, size);
lpstrT = (LPSTR)GlobalLock(lpTarget->hData32);
if( lpstrT )
{
if( lpSource->wFormatID == CF_TEXT )
CharToOemBuffA(lpstrS, lpstrT, size);
else
OemToCharBuffA(lpstrS, lpstrT, size);
TRACE("\tgot %s\n", lpstrT);
GlobalUnlock(lpTarget->hData32);
if (lpSource->hData32)
GlobalUnlock(lpSource->hData32);
else
GlobalUnlock16(lpSource->hData16);
return TRUE;
}
lpTarget->hData32 = 0;
if (lpSource->hData32)
GlobalUnlock(lpSource->hData32);
else
GlobalUnlock16(lpSource->hData16);
return FALSE;
}
/**************************************************************************
* GetClipboardData16 (USER.142)
*/
HANDLE16 WINAPI GetClipboardData16( UINT16 wFormat )
{
LPWINE_CLIPFORMAT lpRender = ClipFormats;
LPWINE_CLIPFORMAT lpUpdate = NULL;
if (hqClipLock != GetFastQueue16()) return 0;
TRACE("(%04X)\n", wFormat);
if( wFormat == CF_TEXT && !lpRender[CF_TEXT-1].wDataPresent
&& lpRender[CF_OEMTEXT-1].wDataPresent )
{
lpRender = &ClipFormats[CF_OEMTEXT-1];
lpUpdate = &ClipFormats[CF_TEXT-1];
TRACE("\tOEMTEXT -> TEXT\n");
}
else if( wFormat == CF_OEMTEXT && !lpRender[CF_OEMTEXT-1].wDataPresent
&& lpRender[CF_TEXT-1].wDataPresent )
{
lpRender = &ClipFormats[CF_TEXT-1];
lpUpdate = &ClipFormats[CF_OEMTEXT-1];
TRACE("\tTEXT -> OEMTEXT\n");
}
else
{
lpRender = __lookup_format( ClipFormats, wFormat );
lpUpdate = lpRender;
}
if( !lpRender || !CLIPBOARD_RenderFormat(lpRender) ) return 0;
if( lpUpdate != lpRender && !lpUpdate->hData16 && !lpUpdate->hData32 )
CLIPBOARD_RenderText(lpUpdate, lpRender);
if( lpUpdate->hData32 && !lpUpdate->hData16 )
{
int size;
if( lpUpdate->wFormatID == CF_METAFILEPICT )
size = sizeof( METAFILEPICT16 );
else
size = GlobalSize(lpUpdate->hData32);
lpUpdate->hData16 = GlobalAlloc16(GMEM_ZEROINIT, size);
if( !lpUpdate->hData16 )
ERR("(%04X) -- not enough memory in 16b heap\n", wFormat);
else
{
if( lpUpdate->wFormatID == CF_METAFILEPICT )
{
FIXME("\timplement function CopyMetaFilePict32to16\n");
FIXME("\tin the appropriate file.\n");
#ifdef SOMEONE_IMPLEMENTED_ME
CopyMetaFilePict32to16( GlobalLock16(lpUpdate->hData16),
GlobalLock(lpUpdate->hData32) );
#endif
}
else
{
memcpy( GlobalLock16(lpUpdate->hData16),
GlobalLock(lpUpdate->hData32),
size );
}
GlobalUnlock16(lpUpdate->hData16);
GlobalUnlock(lpUpdate->hData32);
}
}
TRACE("\treturning %04x (type %i)\n",
lpUpdate->hData16, lpUpdate->wFormatID);
return lpUpdate->hData16;
}
/**************************************************************************
* GetClipboardData32 (USER32.222)
*/
HANDLE WINAPI GetClipboardData( UINT wFormat )
{
LPWINE_CLIPFORMAT lpRender = ClipFormats;
LPWINE_CLIPFORMAT lpUpdate = NULL;
if (hqClipLock != GetFastQueue16()) return 0;
TRACE("(%08X)\n", wFormat);
if( wFormat == CF_TEXT && !lpRender[CF_TEXT-1].wDataPresent
&& lpRender[CF_OEMTEXT-1].wDataPresent )
{
lpRender = &ClipFormats[CF_OEMTEXT-1];
lpUpdate = &ClipFormats[CF_TEXT-1];
TRACE("\tOEMTEXT -> TEXT\n");
}
else if( wFormat == CF_OEMTEXT && !lpRender[CF_OEMTEXT-1].wDataPresent
&& lpRender[CF_TEXT-1].wDataPresent )
{
lpRender = &ClipFormats[CF_TEXT-1];
lpUpdate = &ClipFormats[CF_OEMTEXT-1];
TRACE("\tTEXT -> OEMTEXT\n");
}
else
{
lpRender = __lookup_format( ClipFormats, wFormat );
lpUpdate = lpRender;
}
if( !lpRender || !CLIPBOARD_RenderFormat(lpRender) ) return 0;
if( lpUpdate != lpRender && !lpUpdate->hData16 && !lpUpdate->hData32 )
CLIPBOARD_RenderText(lpUpdate, lpRender);
if( lpUpdate->hData16 && !lpUpdate->hData32 )
{
int size;
if( lpUpdate->wFormatID == CF_METAFILEPICT )
size = sizeof( METAFILEPICT );
else
size = GlobalSize16(lpUpdate->hData16);
lpUpdate->hData32 = GlobalAlloc(GMEM_ZEROINIT | GMEM_MOVEABLE | GMEM_DDESHARE,
size);
if( lpUpdate->wFormatID == CF_METAFILEPICT )
{
FIXME("\timplement function CopyMetaFilePict16to32\n");
FIXME("\tin the appropriate file.\n");
#ifdef SOMEONE_IMPLEMENTED_ME
CopyMetaFilePict16to32( GlobalLock16(lpUpdate->hData32),
GlobalLock(lpUpdate->hData16) );
#endif
}
else
{
memcpy( GlobalLock(lpUpdate->hData32),
GlobalLock16(lpUpdate->hData16),
size );
}
GlobalUnlock(lpUpdate->hData32);
GlobalUnlock16(lpUpdate->hData16);
}
TRACE("\treturning %04x (type %i)\n",
lpUpdate->hData32, lpUpdate->wFormatID);
return lpUpdate->hData32;
}
/**************************************************************************
* CountClipboardFormats16 (USER.143)
*/
INT16 WINAPI CountClipboardFormats16(void)
{
return CountClipboardFormats();
}
/**************************************************************************
* CountClipboardFormats32 (USER32.63)
*/
INT WINAPI CountClipboardFormats(void)
{
INT FormatCount = 0;
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
TRACE("(void)\n");
while(TRUE)
{
if (lpFormat == NULL) break;
if( lpFormat->wFormatID != CF_TEXT )
CLIPBOARD_Driver->pGetData( lpFormat->wFormatID );
if (lpFormat->wDataPresent)
{
TRACE("\tdata found for format %i\n", lpFormat->wFormatID);
FormatCount++;
}
lpFormat = lpFormat->NextFormat;
}
/* these two are equivalent, adjust the total */
FormatCount += abs(ClipFormats[CF_TEXT-1].wDataPresent -
ClipFormats[CF_OEMTEXT-1].wDataPresent);
TRACE("\ttotal %d\n", FormatCount);
return FormatCount;
}
/**************************************************************************
* EnumClipboardFormats16 (USER.144)
*/
UINT16 WINAPI EnumClipboardFormats16( UINT16 wFormat )
{
return EnumClipboardFormats( wFormat );
}
/**************************************************************************
* EnumClipboardFormats32 (USER32.179)
*/
UINT WINAPI EnumClipboardFormats( UINT wFormat )
{
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
TRACE("(%04X)\n", wFormat);
if( hqClipLock != GetFastQueue16() ) return 0;
if( wFormat < CF_OEMTEXT )
CLIPBOARD_Driver->pGetData( CF_OEMTEXT );
if (wFormat == 0) /* start from the beginning */
lpFormat = ClipFormats;
else
{
/* walk up to the specified format record */
if( !(lpFormat = __lookup_format( lpFormat, wFormat )) )
return 0;
lpFormat = lpFormat->NextFormat; /* right */
}
while(TRUE)
{
if (lpFormat == NULL) return 0;
if( lpFormat->wFormatID != CF_OEMTEXT && lpFormat->wFormatID != CF_TEXT )
CLIPBOARD_Driver->pGetData( lpFormat->wFormatID );
if (lpFormat->wDataPresent ||
(lpFormat->wFormatID == CF_OEMTEXT && ClipFormats[CF_TEXT-1].wDataPresent) ||
(lpFormat->wFormatID == CF_TEXT && ClipFormats[CF_OEMTEXT-1].wDataPresent) )
break;
lpFormat = lpFormat->NextFormat;
}
return lpFormat->wFormatID;
}
/**************************************************************************
* RegisterClipboardFormat16 (USER.145)
*/
UINT16 WINAPI RegisterClipboardFormat16( LPCSTR FormatName )
{
LPWINE_CLIPFORMAT lpNewFormat;
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
if (FormatName == NULL) return 0;
TRACE("('%s') !\n", FormatName);
/* walk format chain to see if it's already registered */
while(TRUE)
{
if ( !strcmp(lpFormat->Name,FormatName) )
{
lpFormat->wRefCount++;
return lpFormat->wFormatID;
}
if ( lpFormat->NextFormat == NULL ) break;
lpFormat = lpFormat->NextFormat;
}
/* allocate storage for new format entry */
lpNewFormat = (LPWINE_CLIPFORMAT)xmalloc(sizeof(WINE_CLIPFORMAT));
lpFormat->NextFormat = lpNewFormat;
lpNewFormat->wFormatID = LastRegFormat;
lpNewFormat->wRefCount = 1;
lpNewFormat->Name = (LPSTR)xmalloc(strlen(FormatName) + 1);
strcpy(lpNewFormat->Name, FormatName);
lpNewFormat->wDataPresent = 0;
lpNewFormat->hData16 = 0;
lpNewFormat->hDataSrc32 = 0;
lpNewFormat->hData32 = 0;
lpNewFormat->BufSize = 0;
lpNewFormat->PrevFormat = lpFormat;
lpNewFormat->NextFormat = NULL;
return LastRegFormat++;
}
/**************************************************************************
* RegisterClipboardFormat32A (USER32.431)
*/
UINT WINAPI RegisterClipboardFormatA( LPCSTR formatName )
{
return RegisterClipboardFormat16( formatName );
}
/**************************************************************************
* RegisterClipboardFormat32W (USER32.432)
*/
UINT WINAPI RegisterClipboardFormatW( LPCWSTR formatName )
{
LPSTR aFormat = HEAP_strdupWtoA( GetProcessHeap(), 0, formatName );
UINT ret = RegisterClipboardFormatA( aFormat );
HeapFree( GetProcessHeap(), 0, aFormat );
return ret;
}
/**************************************************************************
* GetClipboardFormatName16 (USER.146)
*/
INT16 WINAPI GetClipboardFormatName16( UINT16 wFormat, LPSTR retStr, INT16 maxlen )
{
return GetClipboardFormatNameA( wFormat, retStr, maxlen );
}
/**************************************************************************
* GetClipboardFormatName32A (USER32.223)
*/
INT WINAPI GetClipboardFormatNameA( UINT wFormat, LPSTR retStr, INT maxlen )
{
LPWINE_CLIPFORMAT lpFormat = __lookup_format( ClipFormats, wFormat );
TRACE("(%04X, %p, %d) !\n", wFormat, retStr, maxlen);
if (lpFormat == NULL || lpFormat->Name == NULL ||
lpFormat->wFormatID < CF_REGFORMATBASE) return 0;
TRACE("Name='%s' !\n", lpFormat->Name);
lstrcpynA( retStr, lpFormat->Name, maxlen );
return strlen(retStr);
}
/**************************************************************************
* GetClipboardFormatName32W (USER32.224)
*/
INT WINAPI GetClipboardFormatNameW( UINT wFormat, LPWSTR retStr, INT maxlen )
{
LPSTR p = HEAP_xalloc( GetProcessHeap(), 0, maxlen );
INT ret = GetClipboardFormatNameA( wFormat, p, maxlen );
lstrcpynAtoW( retStr, p, maxlen );
HeapFree( GetProcessHeap(), 0, p );
return ret;
}
/**************************************************************************
* SetClipboardViewer16 (USER.147)
*/
HWND16 WINAPI SetClipboardViewer16( HWND16 hWnd )
{
return SetClipboardViewer( hWnd );
}
/**************************************************************************
* SetClipboardViewer32 (USER32.471)
*/
HWND WINAPI SetClipboardViewer( HWND hWnd )
{
HWND hwndPrev = hWndViewer;
TRACE("(%04x): returning %04x\n", hWnd, hwndPrev);
hWndViewer = hWnd;
return hwndPrev;
}
/**************************************************************************
* GetClipboardViewer16 (USER.148)
*/
HWND16 WINAPI GetClipboardViewer16(void)
{
return hWndViewer;
}
/**************************************************************************
* GetClipboardViewer32 (USER32.226)
*/
HWND WINAPI GetClipboardViewer(void)
{
return hWndViewer;
}
/**************************************************************************
* ChangeClipboardChain16 (USER.149)
*/
BOOL16 WINAPI ChangeClipboardChain16(HWND16 hWnd, HWND16 hWndNext)
{
return ChangeClipboardChain(hWnd, hWndNext);
}
/**************************************************************************
* ChangeClipboardChain32 (USER32.22)
*/
BOOL WINAPI ChangeClipboardChain(HWND hWnd, HWND hWndNext)
{
BOOL bRet = 0;
FIXME("(0x%04x, 0x%04x): stub?\n", hWnd, hWndNext);
if( hWndViewer )
bRet = !SendMessage16( hWndViewer, WM_CHANGECBCHAIN,
(WPARAM16)hWnd, (LPARAM)hWndNext);
else
WARN("hWndViewer is lost\n");
if( hWnd == hWndViewer ) hWndViewer = hWndNext;
return bRet;
}
/**************************************************************************
* IsClipboardFormatAvailable16 (USER.193)
*/
BOOL16 WINAPI IsClipboardFormatAvailable16( UINT16 wFormat )
{
return IsClipboardFormatAvailable( wFormat );
}
/**************************************************************************
* IsClipboardFormatAvailable32 (USER32.340)
*/
BOOL WINAPI IsClipboardFormatAvailable( UINT wFormat )
{
TRACE("(%04X) !\n", wFormat);
CLIPBOARD_Driver->pGetData( (wFormat == CF_TEXT) ? CF_OEMTEXT : wFormat );
return CLIPBOARD_IsPresent(wFormat);
}
/**************************************************************************
* GetOpenClipboardWindow16 (USER.248)
*/
HWND16 WINAPI GetOpenClipboardWindow16(void)
{
return hWndClipWindow;
}
/**************************************************************************
* GetOpenClipboardWindow32 (USER32.277)
*/
HWND WINAPI GetOpenClipboardWindow(void)
{
return hWndClipWindow;
}
/**************************************************************************
* GetPriorityClipboardFormat16 (USER.402)
*/
INT16 WINAPI GetPriorityClipboardFormat16( UINT16 *lpPriorityList, INT16 nCount)
{
FIXME("(%p,%d): stub\n", lpPriorityList, nCount );
return 0;
}
/**************************************************************************
* GetPriorityClipboardFormat32 (USER32.279)
*/
INT WINAPI GetPriorityClipboardFormat( UINT *lpPriorityList, INT nCount )
{
int Counter;
if(CountClipboardFormats() == 0)
{
return 0;
}
for(Counter = 0; Counter <= nCount; Counter++)
{
if(IsClipboardFormatAvailable(*(lpPriorityList+sizeof(INT)*Counter)))
return *(lpPriorityList+sizeof(INT)*Counter);
}
return -1;
}
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