2021-11-11 14:13:45 +01:00
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/*
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* WIN32 clipboard implementation
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*
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* Copyright 1994 Martin Ayotte
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* Copyright 1996 Alex Korobka
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* Copyright 1999 Noel Borthwick
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* Copyright 2003 Ulrich Czekalla for CodeWeavers
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* Copyright 2016 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "win32u_private.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(clipboard);
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2021-11-12 12:53:40 +01:00
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/* get a debug string for a format id */
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static const char *debugstr_format( UINT id )
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{
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WCHAR buffer[256];
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DWORD le = GetLastError();
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BOOL r = NtUserGetClipboardFormatName( id, buffer, ARRAYSIZE(buffer) );
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SetLastError(le);
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if (r)
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return wine_dbg_sprintf( "%04x %s", id, debugstr_w(buffer) );
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switch (id)
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{
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#define BUILTIN(id) case id: return #id;
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BUILTIN(CF_TEXT)
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BUILTIN(CF_BITMAP)
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BUILTIN(CF_METAFILEPICT)
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BUILTIN(CF_SYLK)
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BUILTIN(CF_DIF)
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BUILTIN(CF_TIFF)
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BUILTIN(CF_OEMTEXT)
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BUILTIN(CF_DIB)
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BUILTIN(CF_PALETTE)
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BUILTIN(CF_PENDATA)
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BUILTIN(CF_RIFF)
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BUILTIN(CF_WAVE)
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BUILTIN(CF_UNICODETEXT)
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BUILTIN(CF_ENHMETAFILE)
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BUILTIN(CF_HDROP)
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BUILTIN(CF_LOCALE)
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BUILTIN(CF_DIBV5)
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BUILTIN(CF_OWNERDISPLAY)
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BUILTIN(CF_DSPTEXT)
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BUILTIN(CF_DSPBITMAP)
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BUILTIN(CF_DSPMETAFILEPICT)
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BUILTIN(CF_DSPENHMETAFILE)
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#undef BUILTIN
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default: return wine_dbg_sprintf( "%04x", id );
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}
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}
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2021-11-11 14:13:45 +01:00
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/**************************************************************************
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* NtUserCountClipboardFormats (win32u.@)
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*/
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INT WINAPI NtUserCountClipboardFormats(void)
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{
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INT count = 0;
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user_driver->pUpdateClipboard();
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SERVER_START_REQ( get_clipboard_formats )
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{
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wine_server_call( req );
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count = reply->count;
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}
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SERVER_END_REQ;
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TRACE( "returning %d\n", count );
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return count;
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}
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2021-11-12 12:53:28 +01:00
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2021-11-12 12:53:40 +01:00
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/**************************************************************************
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* NtUserIsClipboardFormatAvailable (win32u.@)
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*/
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BOOL WINAPI NtUserIsClipboardFormatAvailable( UINT format )
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{
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BOOL ret = FALSE;
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if (!format) return FALSE;
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user_driver->pUpdateClipboard();
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SERVER_START_REQ( get_clipboard_formats )
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{
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req->format = format;
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if (!wine_server_call_err( req )) ret = (reply->count > 0);
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}
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SERVER_END_REQ;
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TRACE( "%s -> %u\n", debugstr_format( format ), ret );
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return ret;
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}
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2021-11-12 12:53:28 +01:00
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/**************************************************************************
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* NtUserGetClipboardFormatName (win32u.@)
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*/
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INT WINAPI NtUserGetClipboardFormatName( UINT format, WCHAR *buffer, INT maxlen )
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{
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char buf[sizeof(ATOM_BASIC_INFORMATION) + 255 * sizeof(WCHAR)];
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ATOM_BASIC_INFORMATION *abi = (ATOM_BASIC_INFORMATION *)buf;
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UINT length = 0;
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if (format < MAXINTATOM || format > 0xffff) return 0;
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if (maxlen <= 0)
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{
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SetLastError( ERROR_MORE_DATA );
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return 0;
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}
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if (!set_ntstatus( NtQueryInformationAtom( format, AtomBasicInformation,
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buf, sizeof(buf), NULL )))
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return 0;
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length = min( abi->NameLength / sizeof(WCHAR), maxlen - 1 );
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if (length) memcpy( buffer, abi->Name, length * sizeof(WCHAR) );
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buffer[length] = 0;
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return length;
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}
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