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Sweden-Number/dlls/x11drv/clipboard.c

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/*
* X11 clipboard windows driver
*
* Copyright 1994 Martin Ayotte
* 1996 Alex Korobka
* 1999 Noel Borthwick
* 2003 Ulrich Czekalla for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* NOTES:
* This file contains the X specific implementation for the windows
* Clipboard API.
*
* Wine's internal clipboard is exposed to external apps via the X
* selection mechanism.
* Currently the driver asserts ownership via two selection atoms:
* 1. PRIMARY(XA_PRIMARY)
* 2. CLIPBOARD
*
* In our implementation, the CLIPBOARD selection takes precedence over PRIMARY,
* i.e. if a CLIPBOARD selection is available, it is used instead of PRIMARY.
* When Wine takes ownership of the clipboard, it takes ownership of BOTH selections.
* While giving up selection ownership, if the CLIPBOARD selection is lost,
* it will lose both PRIMARY and CLIPBOARD and empty the clipboard.
* However if only PRIMARY is lost, it will continue to hold the CLIPBOARD selection
* (leaving the clipboard cache content unaffected).
*
* Every format exposed via a windows clipboard format is also exposed through
* a corresponding X selection target. A selection target atom is synthesized
* whenever a new Windows clipboard format is registered via RegisterClipboardFormat,
* or when a built-in format is used for the first time.
* Windows native format are exposed by prefixing the format name with "<WCF>"
* This allows us to uniquely identify windows native formats exposed by other
* running WINE apps.
*
* In order to allow external applications to query WINE for supported formats,
* we respond to the "TARGETS" selection target. (See EVENT_SelectionRequest
* for implementation) We use the same mechanism to query external clients for
* availability of a particular format, by caching the list of available targets
* by using the clipboard cache's "delayed render" mechanism. If a selection client
* does not support the "TARGETS" selection target, we actually attempt to retrieve
* the format requested as a fallback mechanism.
*
* Certain Windows native formats are automatically converted to X native formats
* and vice versa. If a native format is available in the selection, it takes
* precedence, in order to avoid unnecessary conversions.
*
* FIXME: global format list needs a critical section
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <fcntl.h>
#include <time.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wine/wingdi16.h"
#include "x11drv.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wine/server.h"
WINE_DEFAULT_DEBUG_CHANNEL(clipboard);
#define HGDIOBJ_32(handle16) ((HGDIOBJ)(ULONG_PTR)(handle16))
/* Maximum wait time for selection notify */
#define SELECTION_RETRIES 500 /* wait for .1 seconds */
#define SELECTION_WAIT 1000 /* us */
/* Minimum seconds that must lapse between owner queries */
#define OWNERQUERYLAPSETIME 1
/* Selection masks */
#define S_NOSELECTION 0
#define S_PRIMARY 1
#define S_CLIPBOARD 2
typedef struct
{
HWND hWndOpen;
HWND hWndOwner;
HWND hWndViewer;
UINT seqno;
UINT flags;
} CLIPBOARDINFO, *LPCLIPBOARDINFO;
typedef struct tagWINE_CLIPDATA {
UINT wFormatID;
HANDLE16 hData16;
HANDLE hData32;
UINT drvData;
UINT wFlags;
struct tagWINE_CLIPDATA *PrevData;
struct tagWINE_CLIPDATA *NextData;
} WINE_CLIPDATA, *LPWINE_CLIPDATA;
typedef HANDLE (*DRVEXPORTFUNC)(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpData, LPDWORD lpBytes);
typedef HANDLE (*DRVIMPORTFUNC)(LPBYTE hData, UINT cBytes);
typedef struct tagWINE_CLIPFORMAT {
UINT wFormatID;
LPCWSTR Name;
UINT drvData;
UINT wFlags;
DRVIMPORTFUNC lpDrvImportFunc;
DRVEXPORTFUNC lpDrvExportFunc;
struct tagWINE_CLIPFORMAT *PrevFormat;
struct tagWINE_CLIPFORMAT *NextFormat;
} WINE_CLIPFORMAT, *LPWINE_CLIPFORMAT;
#define CF_FLAG_BUILTINFMT 1 /* Built-in windows format */
#define CF_FLAG_UNOWNED 2 /* cached data is not owned */
#define CF_FLAG_SYNTHESIZED 8 /* Implicitly converted data */
static int selectionAcquired = 0; /* Contains the current selection masks */
static Window selectionWindow = None; /* The top level X window which owns the selection */
static Atom selectionCacheSrc = XA_PRIMARY; /* The selection source from which the clipboard cache was filled */
void X11DRV_EmptyClipboard(BOOL keepunowned);
void X11DRV_EndClipboardUpdate(void);
static HANDLE X11DRV_CLIPBOARD_ImportClipboardData(LPBYTE lpdata, UINT cBytes);
static HANDLE X11DRV_CLIPBOARD_ImportEnhMetaFile(LPBYTE lpdata, UINT cBytes);
static HANDLE X11DRV_CLIPBOARD_ImportMetaFilePict(LPBYTE lpdata, UINT cBytes);
static HANDLE X11DRV_CLIPBOARD_ImportXAPIXMAP(LPBYTE lpdata, UINT cBytes);
static HANDLE X11DRV_CLIPBOARD_ImportXAString(LPBYTE lpdata, UINT cBytes);
static HANDLE X11DRV_CLIPBOARD_ExportClipboardData(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpData, LPDWORD lpBytes);
static HANDLE X11DRV_CLIPBOARD_ExportString(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpData, LPDWORD lpBytes);
static HANDLE X11DRV_CLIPBOARD_ExportXAPIXMAP(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpdata, LPDWORD lpBytes);
static HANDLE X11DRV_CLIPBOARD_ExportMetaFilePict(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpdata, LPDWORD lpBytes);
static HANDLE X11DRV_CLIPBOARD_ExportEnhMetaFile(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpdata, LPDWORD lpBytes);
static WINE_CLIPFORMAT *X11DRV_CLIPBOARD_InsertClipboardFormat(LPCWSTR FormatName, Atom prop);
static BOOL X11DRV_CLIPBOARD_ReadSelection(LPWINE_CLIPFORMAT lpData, Window w, Atom prop);
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedText(UINT wFormatID);
static void X11DRV_CLIPBOARD_FreeData(LPWINE_CLIPDATA lpData);
static BOOL X11DRV_CLIPBOARD_IsSelectionOwner(void);
static int X11DRV_CLIPBOARD_QueryAvailableData(LPCLIPBOARDINFO lpcbinfo);
static BOOL X11DRV_CLIPBOARD_ReadClipboardData(UINT wFormat);
static BOOL X11DRV_CLIPBOARD_RenderFormat(LPWINE_CLIPDATA lpData);
static HANDLE X11DRV_CLIPBOARD_SerializeMetafile(INT wformat, HANDLE hdata, LPDWORD lpcbytes, BOOL out);
static BOOL X11DRV_CLIPBOARD_SynthesizeData(UINT wFormatID);
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedFormat(LPWINE_CLIPDATA lpData);
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedDIB(void);
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedBitmap(void);
static void X11DRV_HandleSelectionRequest( HWND hWnd, XSelectionRequestEvent *event, BOOL bIsMultiple );
/* Clipboard formats
* WARNING: This data ordering is dependent on the WINE_CLIPFORMAT structure
* declared in clipboard.h
*/
static const WCHAR wszCF_TEXT[] = {'W','C','F','_','T','E','X','T',0};
static const WCHAR wszCF_BITMAP[] = {'W','C','F','_','B','I','T','M','A','P',0};
static const WCHAR wszCF_METAFILEPICT[] = {'W','C','F','_','M','E','T','A','F','I','L','E','P','I','C','T',0};
static const WCHAR wszCF_SYLK[] = {'W','C','F','_','S','Y','L','K',0};
static const WCHAR wszCF_DIF[] = {'W','C','F','_','D','I','F',0};
static const WCHAR wszCF_TIFF[] = {'W','C','F','_','T','I','F','F',0};
static const WCHAR wszCF_OEMTEXT[] = {'W','C','F','_','O','E','M','T','E','X','T',0};
static const WCHAR wszCF_DIB[] = {'W','C','F','_','D','I','B',0};
static const WCHAR wszCF_PALETTE[] = {'W','C','F','_','P','A','L','E','T','T','E',0};
static const WCHAR wszCF_PENDATA[] = {'W','C','F','_','P','E','N','D','A','T','A',0};
static const WCHAR wszCF_RIFF[] = {'W','C','F','_','R','I','F','F',0};
static const WCHAR wszCF_WAVE[] = {'W','C','F','_','W','A','V','E',0};
static const WCHAR wszCF_UNICODETEXT[] = {'W','C','F','_','U','N','I','C','O','D','E','T','E','X','T',0};
static const WCHAR wszCF_ENHMETAFILE[] = {'W','C','F','_','E','N','H','M','E','T','A','F','I','L','E',0};
static const WCHAR wszCF_HDROP[] = {'W','C','F','_','H','D','R','O','P',0};
static const WCHAR wszCF_LOCALE[] = {'W','C','F','_','L','O','C','A','L','E',0};
static const WCHAR wszCF_DIBV5[] = {'W','C','F','_','D','I','B','V','5',0};
static const WCHAR wszCF_OWNERDISPLAY[] = {'W','C','F','_','O','W','N','E','R','D','I','S','P','L','A','Y',0};
static const WCHAR wszCF_DSPTEXT[] = {'W','C','F','_','D','S','P','T','E','X','T',0};
static const WCHAR wszCF_DSPBITMAP[] = {'W','C','F','_','D','S','P','B','I','T','M','A','P',0};
static const WCHAR wszCF_DSPMETAFILEPICT[] = {'W','C','F','_','D','S','P','M','E','T','A','F','I','L','E','P','I','C','T',0};
static const WCHAR wszCF_DSPENHMETAFILE[] = {'W','C','F','_','D','S','P','E','N','H','M','E','T','A','F','I','L','E',0};
static WINE_CLIPFORMAT ClipFormats[] =
{
{ CF_TEXT, wszCF_TEXT, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, NULL, &ClipFormats[1]},
{ CF_BITMAP, wszCF_BITMAP, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
NULL, &ClipFormats[0], &ClipFormats[2]},
{ CF_METAFILEPICT, wszCF_METAFILEPICT, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportMetaFilePict,
X11DRV_CLIPBOARD_ExportMetaFilePict, &ClipFormats[1], &ClipFormats[3]},
{ CF_SYLK, wszCF_SYLK, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[2], &ClipFormats[4]},
{ CF_DIF, wszCF_DIF, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[3], &ClipFormats[5]},
{ CF_TIFF, wszCF_TIFF, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[4], &ClipFormats[6]},
{ CF_OEMTEXT, wszCF_OEMTEXT, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[5], &ClipFormats[7]},
{ CF_DIB, wszCF_DIB, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportXAPIXMAP,
X11DRV_CLIPBOARD_ExportXAPIXMAP, &ClipFormats[6], &ClipFormats[8]},
{ CF_PALETTE, wszCF_PALETTE, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[7], &ClipFormats[9]},
{ CF_PENDATA, wszCF_PENDATA, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[8], &ClipFormats[10]},
{ CF_RIFF, wszCF_RIFF, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[9], &ClipFormats[11]},
{ CF_WAVE, wszCF_WAVE, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[10], &ClipFormats[12]},
{ CF_UNICODETEXT, wszCF_UNICODETEXT, XA_STRING, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportXAString,
X11DRV_CLIPBOARD_ExportString, &ClipFormats[11], &ClipFormats[13]},
{ CF_ENHMETAFILE, wszCF_ENHMETAFILE, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportEnhMetaFile,
X11DRV_CLIPBOARD_ExportEnhMetaFile, &ClipFormats[12], &ClipFormats[14]},
{ CF_HDROP, wszCF_HDROP, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[13], &ClipFormats[15]},
{ CF_LOCALE, wszCF_LOCALE, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[14], &ClipFormats[16]},
{ CF_DIBV5, wszCF_DIBV5, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[15], &ClipFormats[17]},
{ CF_OWNERDISPLAY, wszCF_OWNERDISPLAY, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[16], &ClipFormats[18]},
{ CF_DSPTEXT, wszCF_DSPTEXT, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[17], &ClipFormats[19]},
{ CF_DSPBITMAP, wszCF_DSPBITMAP, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[18], &ClipFormats[20]},
{ CF_DSPMETAFILEPICT, wszCF_DSPMETAFILEPICT, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[19], &ClipFormats[21]},
{ CF_DSPENHMETAFILE, wszCF_DSPENHMETAFILE, 0, CF_FLAG_BUILTINFMT, X11DRV_CLIPBOARD_ImportClipboardData,
X11DRV_CLIPBOARD_ExportClipboardData, &ClipFormats[20], NULL}
};
#define GET_ATOM(prop) (((prop) < FIRST_XATOM) ? (Atom)(prop) : X11DRV_Atoms[(prop) - FIRST_XATOM])
/* Maps X properties to Windows formats */
static const WCHAR wszRichTextFormat[] = {'R','i','c','h',' ','T','e','x','t',' ','F','o','r','m','a','t',0};
static const WCHAR wszGIF[] = {'G','I','F',0};
static const struct
{
LPCWSTR lpszFormat;
UINT prop;
} PropertyFormatMap[] =
{
{ wszRichTextFormat, XATOM_text_rtf },
/* Temporarily disable text/html because Evolution incorrectly pastes strings with extra nulls */
/*{ "text/html", "HTML Format" },*/
{ wszGIF, XATOM_image_gif }
};
/* Maps equivalent X properties. It is assumed that lpszProperty must already
be in ClipFormats or PropertyFormatMap. */
static const struct
{
UINT drvDataProperty;
UINT drvDataAlias;
} PropertyAliasMap[] =
{
/* DataProperty, DataAlias */
{ XATOM_text_rtf, XATOM_text_richtext },
{ XA_STRING, XATOM_COMPOUND_TEXT },
{ XA_STRING, XATOM_TEXT },
{ XATOM_WCF_DIB, XA_PIXMAP },
};
/*
* Cached clipboard data.
*/
static LPWINE_CLIPDATA ClipData = NULL;
static UINT ClipDataCount = 0;
/*
* Clipboard sequence number
*/
static UINT wSeqNo = 0;
/**************************************************************************
* Internal Clipboard implementation methods
**************************************************************************/
static Window thread_selection_wnd(void)
{
Window w = x11drv_thread_data()->selection_wnd;
if (!w)
{
wine_tsx11_lock();
w = XCreateWindow(thread_display(), root_window, 0, 0, 1, 1, 0, screen_depth,
InputOutput, CopyFromParent, 0, NULL);
wine_tsx11_unlock();
if (w)
x11drv_thread_data()->selection_wnd = w;
else
FIXME("Failed to create window. Fetching selection data will fail.\n");
}
return w;
}
/**************************************************************************
* X11DRV_InitClipboard
*/
void X11DRV_InitClipboard(void)
{
UINT i;
/* Register known mapping between window formats and X properties */
for (i = 0; i < sizeof(PropertyFormatMap)/sizeof(PropertyFormatMap[0]); i++)
X11DRV_CLIPBOARD_InsertClipboardFormat(PropertyFormatMap[i].lpszFormat,
GET_ATOM(PropertyFormatMap[i].prop));
}
/**************************************************************************
* intern_atoms
*
* Intern atoms for formats that don't have one yet.
*/
static void intern_atoms(void)
{
LPWINE_CLIPFORMAT format;
int i, count, len;
char **names;
Atom *atoms;
for (format = ClipFormats, count = 0; format; format = format->NextFormat)
if (!format->drvData) count++;
if (!count) return;
names = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*names) );
atoms = HeapAlloc( GetProcessHeap(), 0, count * sizeof(*atoms) );
for (format = ClipFormats, i = 0; format; format = format->NextFormat) {
if (!format->drvData) {
len = WideCharToMultiByte(CP_UNIXCP, 0, format->Name, -1, NULL, 0, NULL, NULL);
names[i] = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_UNIXCP, 0, format->Name, -1, names[i++], len, NULL, NULL);
}
}
wine_tsx11_lock();
XInternAtoms( thread_display(), names, count, False, atoms );
wine_tsx11_unlock();
for (format = ClipFormats, i = 0; format; format = format->NextFormat) {
if (!format->drvData) {
HeapFree(GetProcessHeap(), 0, names[i]);
format->drvData = atoms[i++];
}
}
HeapFree( GetProcessHeap(), 0, names );
HeapFree( GetProcessHeap(), 0, atoms );
}
/**************************************************************************
* register_format
*
* Register a custom X clipboard format.
*/
static WINE_CLIPFORMAT *register_format( LPCWSTR FormatName, Atom prop )
{
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
TRACE("%s\n", debugstr_w(FormatName));
/* walk format chain to see if it's already registered */
while (lpFormat)
{
if (CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, lpFormat->Name, -1, FormatName, -1) == CSTR_EQUAL
&& (lpFormat->wFlags & CF_FLAG_BUILTINFMT) == 0)
return lpFormat;
lpFormat = lpFormat->NextFormat;
}
return X11DRV_CLIPBOARD_InsertClipboardFormat(FormatName, prop);
}
/**************************************************************************
* X11DRV_CLIPBOARD_LookupFormat
*/
static LPWINE_CLIPFORMAT X11DRV_CLIPBOARD_LookupFormat(WORD wID)
{
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
while(lpFormat)
{
if (lpFormat->wFormatID == wID)
break;
lpFormat = lpFormat->NextFormat;
}
if (lpFormat && !lpFormat->drvData) intern_atoms();
return lpFormat;
}
/**************************************************************************
* X11DRV_CLIPBOARD_LookupProperty
*/
static LPWINE_CLIPFORMAT X11DRV_CLIPBOARD_LookupProperty(UINT drvData)
{
for (;;)
{
LPWINE_CLIPFORMAT lpFormat = ClipFormats;
BOOL need_intern = FALSE;
while(lpFormat)
{
if (lpFormat->drvData == drvData) return lpFormat;
if (!lpFormat->drvData) need_intern = TRUE;
lpFormat = lpFormat->NextFormat;
}
if (!need_intern) return NULL;
intern_atoms();
/* restart the search for the new atoms */
}
}
/**************************************************************************
* X11DRV_CLIPBOARD_LookupAliasProperty
*/
static LPWINE_CLIPFORMAT X11DRV_CLIPBOARD_LookupAliasProperty(UINT drvDataAlias)
{
unsigned int i;
LPWINE_CLIPFORMAT lpFormat = NULL;
for (i = 0; i < sizeof(PropertyAliasMap)/sizeof(PropertyAliasMap[0]); i++)
{
if (GET_ATOM(PropertyAliasMap[i].drvDataAlias) == drvDataAlias)
{
lpFormat = X11DRV_CLIPBOARD_LookupProperty(GET_ATOM(PropertyAliasMap[i].drvDataProperty));
break;
}
}
return lpFormat;
}
/**************************************************************************
* X11DRV_CLIPBOARD_LookupPropertyAlias
*/
static UINT X11DRV_CLIPBOARD_LookupPropertyAlias(UINT drvDataProperty)
{
unsigned int i;
UINT alias = 0;
for (i = 0; i < sizeof(PropertyAliasMap)/sizeof(PropertyAliasMap[0]); i++)
{
if (GET_ATOM(PropertyAliasMap[i].drvDataProperty) == drvDataProperty)
{
alias = GET_ATOM(PropertyAliasMap[i].drvDataAlias);
break;
}
}
return alias;
}
/**************************************************************************
* X11DRV_CLIPBOARD_LookupData
*/
static LPWINE_CLIPDATA X11DRV_CLIPBOARD_LookupData(DWORD wID)
{
LPWINE_CLIPDATA lpData = ClipData;
if (lpData)
{
do
{
if (lpData->wFormatID == wID)
break;
lpData = lpData->NextData;
}
while(lpData != ClipData);
if (lpData->wFormatID != wID)
lpData = NULL;
}
return lpData;
}
/**************************************************************************
* InsertClipboardFormat
*/
static WINE_CLIPFORMAT *X11DRV_CLIPBOARD_InsertClipboardFormat(LPCWSTR FormatName, Atom prop)
{
LPWINE_CLIPFORMAT lpFormat;
LPWINE_CLIPFORMAT lpNewFormat;
/* allocate storage for new format entry */
lpNewFormat = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_CLIPFORMAT));
if(lpNewFormat == NULL)
{
WARN("No more memory for a new format!\n");
return NULL;
}
if (!(lpNewFormat->Name = HeapAlloc(GetProcessHeap(), 0, (strlenW(FormatName)+1)*sizeof(WCHAR))))
{
WARN("No more memory for the new format name!\n");
HeapFree(GetProcessHeap(), 0, lpNewFormat);
return NULL;
}
strcpyW((LPWSTR)lpNewFormat->Name, FormatName);
lpNewFormat->wFlags = 0;
lpNewFormat->wFormatID = GlobalAddAtomW(lpNewFormat->Name);
lpNewFormat->drvData = prop;
lpNewFormat->lpDrvImportFunc = X11DRV_CLIPBOARD_ImportClipboardData;
lpNewFormat->lpDrvExportFunc = X11DRV_CLIPBOARD_ExportClipboardData;
/* Link Format */
lpFormat = ClipFormats;
while(lpFormat->NextFormat) /* Move to last entry */
lpFormat = lpFormat->NextFormat;
lpNewFormat->NextFormat = NULL;
lpFormat->NextFormat = lpNewFormat;
lpNewFormat->PrevFormat = lpFormat;
TRACE("Registering format(%d): %s drvData %d\n",
lpNewFormat->wFormatID, debugstr_w(FormatName), lpNewFormat->drvData);
return lpNewFormat;
}
/**************************************************************************
* X11DRV_CLIPBOARD_GetClipboardInfo
*/
static BOOL X11DRV_CLIPBOARD_GetClipboardInfo(LPCLIPBOARDINFO cbInfo)
{
BOOL bRet = FALSE;
SERVER_START_REQ( set_clipboard_info )
{
req->flags = 0;
if (wine_server_call_err( req ))
{
ERR("Failed to get clipboard owner.\n");
}
else
{
cbInfo->hWndOpen = reply->old_clipboard;
cbInfo->hWndOwner = reply->old_owner;
cbInfo->hWndViewer = reply->old_viewer;
cbInfo->seqno = reply->seqno;
cbInfo->flags = reply->flags;
bRet = TRUE;
}
}
SERVER_END_REQ;
return bRet;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ReleaseOwnership
*/
static BOOL X11DRV_CLIPBOARD_ReleaseOwnership(void)
{
BOOL bRet = FALSE;
SERVER_START_REQ( set_clipboard_info )
{
req->flags = SET_CB_RELOWNER | SET_CB_SEQNO;
if (wine_server_call_err( req ))
{
ERR("Failed to set clipboard.\n");
}
else
{
bRet = TRUE;
}
}
SERVER_END_REQ;
return bRet;
}
/**************************************************************************
* X11DRV_CLIPBOARD_InsertClipboardData
*
* Caller *must* have the clipboard open and be the owner.
*/
static BOOL X11DRV_CLIPBOARD_InsertClipboardData(UINT wFormat, HANDLE16 hData16, HANDLE hData32, DWORD flags)
{
LPWINE_CLIPDATA lpData = X11DRV_CLIPBOARD_LookupData(wFormat);
TRACE("format=%d lpData=%p hData16=%08x hData32=%08x flags=0x%08lx\n",
wFormat, lpData, hData16, (unsigned int)hData32, flags);
if (lpData)
{
X11DRV_CLIPBOARD_FreeData(lpData);
lpData->hData16 = hData16; /* 0 is legal, see WM_RENDERFORMAT */
lpData->hData32 = hData32;
}
else
{
lpData = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_CLIPDATA));
lpData->wFormatID = wFormat;
lpData->hData16 = hData16; /* 0 is legal, see WM_RENDERFORMAT */
lpData->hData32 = hData32;
lpData->drvData = 0;
if (ClipData)
{
LPWINE_CLIPDATA lpPrevData = ClipData->PrevData;
lpData->PrevData = lpPrevData;
lpData->NextData = ClipData;
lpPrevData->NextData = lpData;
ClipData->PrevData = lpData;
}
else
{
lpData->NextData = lpData;
lpData->PrevData = lpData;
ClipData = lpData;
}
ClipDataCount++;
}
lpData->wFlags = flags;
return TRUE;
}
/**************************************************************************
* X11DRV_CLIPBOARD_FreeData
*
* Free clipboard data handle.
*/
static void X11DRV_CLIPBOARD_FreeData(LPWINE_CLIPDATA lpData)
{
TRACE("%d\n", lpData->wFormatID);
if ((lpData->wFormatID >= CF_GDIOBJFIRST &&
lpData->wFormatID <= CF_GDIOBJLAST) ||
lpData->wFormatID == CF_BITMAP ||
lpData->wFormatID == CF_DIB ||
lpData->wFormatID == CF_PALETTE)
{
if (lpData->hData32)
DeleteObject(lpData->hData32);
if (lpData->hData16)
DeleteObject(HGDIOBJ_32(lpData->hData16));
if ((lpData->wFormatID == CF_DIB) && lpData->drvData)
XFreePixmap(gdi_display, lpData->drvData);
}
else if (lpData->wFormatID == CF_METAFILEPICT)
{
if (lpData->hData32)
{
DeleteMetaFile(((METAFILEPICT *)GlobalLock( lpData->hData32 ))->hMF );
GlobalFree(lpData->hData32);
if (lpData->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(lpData->hData16);
}
if (lpData->hData16)
{
METAFILEPICT16* lpMetaPict = (METAFILEPICT16 *) GlobalLock16(lpData->hData16);
if (lpMetaPict)
{
/* To delete 16-bit meta file, we just need to free the associated
handle. See DeleteMetaFile16() in dlls/gdi/metafile.c. */
GlobalFree16(lpMetaPict->hMF);
lpMetaPict->hMF = 0;
}
GlobalFree16(lpData->hData16);
}
}
else if (lpData->wFormatID == CF_ENHMETAFILE)
{
if (lpData->hData32)
DeleteEnhMetaFile(lpData->hData32);
}
else if (lpData->wFormatID < CF_PRIVATEFIRST ||
lpData->wFormatID > CF_PRIVATELAST)
{
if (lpData->hData32)
GlobalFree(lpData->hData32);
if (lpData->hData16)
GlobalFree16(lpData->hData16);
}
lpData->hData16 = 0;
lpData->hData32 = 0;
lpData->drvData = 0;
}
/**************************************************************************
* X11DRV_CLIPBOARD_UpdateCache
*/
static BOOL X11DRV_CLIPBOARD_UpdateCache(LPCLIPBOARDINFO lpcbinfo)
{
BOOL bret = TRUE;
if (!X11DRV_CLIPBOARD_IsSelectionOwner())
{
if (!X11DRV_CLIPBOARD_GetClipboardInfo(lpcbinfo))
{
ERR("Failed to retrieve clipboard information.\n");
bret = FALSE;
}
else if (wSeqNo < lpcbinfo->seqno)
{
X11DRV_EmptyClipboard(TRUE);
if (X11DRV_CLIPBOARD_QueryAvailableData(lpcbinfo) < 0)
{
ERR("Failed to cache clipboard data owned by another process.\n");
bret = FALSE;
}
else
{
X11DRV_EndClipboardUpdate();
}
wSeqNo = lpcbinfo->seqno;
}
}
return bret;
}
/**************************************************************************
* X11DRV_CLIPBOARD_RenderFormat
*/
static BOOL X11DRV_CLIPBOARD_RenderFormat(LPWINE_CLIPDATA lpData)
{
BOOL bret = TRUE;
TRACE(" 0x%04x hData32(0x%08x) hData16(0x%08x)\n",
lpData->wFormatID, (unsigned int)lpData->hData32, lpData->hData16);
if (lpData->hData32 || lpData->hData16)
return bret; /* Already rendered */
if (lpData->wFlags & CF_FLAG_SYNTHESIZED)
bret = X11DRV_CLIPBOARD_RenderSynthesizedFormat(lpData);
else if (!X11DRV_CLIPBOARD_IsSelectionOwner())
{
if (!X11DRV_CLIPBOARD_ReadClipboardData(lpData->wFormatID))
{
ERR("Failed to cache clipboard data owned by another process. Format=%d\n",
lpData->wFormatID);
bret = FALSE;
}
}
else
{
CLIPBOARDINFO cbInfo;
if (X11DRV_CLIPBOARD_GetClipboardInfo(&cbInfo) && cbInfo.hWndOwner)
{
/* Send a WM_RENDERFORMAT message to notify the owner to render the
* data requested into the clipboard.
*/
TRACE("Sending WM_RENDERFORMAT message to hwnd(%p)\n", cbInfo.hWndOwner);
SendMessageW(cbInfo.hWndOwner, WM_RENDERFORMAT, (WPARAM)lpData->wFormatID, 0);
if (!lpData->hData32 && !lpData->hData16)
bret = FALSE;
}
else
{
ERR("hWndClipOwner is lost!\n");
bret = FALSE;
}
}
return bret;
}
/**************************************************************************
* CLIPBOARD_ConvertText
* Returns number of required/converted characters - not bytes!
*/
static INT CLIPBOARD_ConvertText(WORD src_fmt, void const *src, INT src_size,
WORD dst_fmt, void *dst, INT dst_size)
{
UINT cp;
if(src_fmt == CF_UNICODETEXT)
{
switch(dst_fmt)
{
case CF_TEXT:
cp = CP_ACP;
break;
case CF_OEMTEXT:
cp = CP_OEMCP;
break;
default:
return 0;
}
return WideCharToMultiByte(cp, 0, src, src_size, dst, dst_size, NULL, NULL);
}
if(dst_fmt == CF_UNICODETEXT)
{
switch(src_fmt)
{
case CF_TEXT:
cp = CP_ACP;
break;
case CF_OEMTEXT:
cp = CP_OEMCP;
break;
default:
return 0;
}
return MultiByteToWideChar(cp, 0, src, src_size, dst, dst_size);
}
if(!dst_size) return src_size;
if(dst_size > src_size) dst_size = src_size;
if(src_fmt == CF_TEXT )
CharToOemBuffA(src, dst, dst_size);
else
OemToCharBuffA(src, dst, dst_size);
return dst_size;
}
/**************************************************************************
* X11DRV_CLIPBOARD_RenderSynthesizedFormat
*/
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedFormat(LPWINE_CLIPDATA lpData)
{
BOOL bret = FALSE;
TRACE("\n");
if (lpData->wFlags & CF_FLAG_SYNTHESIZED)
{
UINT wFormatID = lpData->wFormatID;
if (wFormatID == CF_UNICODETEXT || wFormatID == CF_TEXT || wFormatID == CF_OEMTEXT)
bret = X11DRV_CLIPBOARD_RenderSynthesizedText(wFormatID);
else
{
switch (wFormatID)
{
case CF_DIB:
bret = X11DRV_CLIPBOARD_RenderSynthesizedDIB();
break;
case CF_BITMAP:
bret = X11DRV_CLIPBOARD_RenderSynthesizedBitmap();
break;
case CF_ENHMETAFILE:
case CF_METAFILEPICT:
FIXME("Synthesizing wFormatID(0x%08x) not implemented\n", wFormatID);
break;
default:
FIXME("Called to synthesize unknown format\n");
break;
}
}
lpData->wFlags &= ~CF_FLAG_SYNTHESIZED;
}
return bret;
}
/**************************************************************************
* X11DRV_CLIPBOARD_RenderSynthesizedText
*
* Renders synthesized text
*/
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedText(UINT wFormatID)
{
LPCSTR lpstrS;
LPSTR lpstrT;
HANDLE hData32;
INT src_chars, dst_chars, alloc_size;
LPWINE_CLIPDATA lpSource = NULL;
TRACE(" %d\n", wFormatID);
if ((lpSource = X11DRV_CLIPBOARD_LookupData(wFormatID)) &&
lpSource->hData32)
return TRUE;
/* Look for rendered source or non-synthesized source */
if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_UNICODETEXT)) &&
(!(lpSource->wFlags & CF_FLAG_SYNTHESIZED) || lpSource->hData32))
{
TRACE("UNICODETEXT -> %d\n", wFormatID);
}
else if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_TEXT)) &&
(!(lpSource->wFlags & CF_FLAG_SYNTHESIZED) || lpSource->hData32))
{
TRACE("TEXT -> %d\n", wFormatID);
}
else if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_OEMTEXT)) &&
(!(lpSource->wFlags & CF_FLAG_SYNTHESIZED) || lpSource->hData32))
{
TRACE("OEMTEXT -> %d\n", wFormatID);
}
if (!lpSource || (lpSource->wFlags & CF_FLAG_SYNTHESIZED &&
!lpSource->hData32))
return FALSE;
/* Ask the clipboard owner to render the source text if necessary */
if (!lpSource->hData32 && !X11DRV_CLIPBOARD_RenderFormat(lpSource))
return FALSE;
if (lpSource->hData32)
{
lpstrS = (LPSTR)GlobalLock(lpSource->hData32);
}
else
{
lpstrS = (LPSTR)GlobalLock16(lpSource->hData16);
}
if (!lpstrS)
return FALSE;
/* Text always NULL terminated */
if(lpSource->wFormatID == CF_UNICODETEXT)
src_chars = strlenW((LPCWSTR)lpstrS) + 1;
else
src_chars = strlen(lpstrS) + 1;
/* Calculate number of characters in the destination buffer */
dst_chars = CLIPBOARD_ConvertText(lpSource->wFormatID, lpstrS,
src_chars, wFormatID, NULL, 0);
if (!dst_chars)
return FALSE;
TRACE("Converting from '%d' to '%d', %i chars\n",
lpSource->wFormatID, wFormatID, src_chars);
/* Convert characters to bytes */
if(wFormatID == CF_UNICODETEXT)
alloc_size = dst_chars * sizeof(WCHAR);
else
alloc_size = dst_chars;
hData32 = GlobalAlloc(GMEM_ZEROINIT | GMEM_MOVEABLE |
GMEM_DDESHARE, alloc_size);
lpstrT = (LPSTR)GlobalLock(hData32);
if (lpstrT)
{
CLIPBOARD_ConvertText(lpSource->wFormatID, lpstrS, src_chars,
wFormatID, lpstrT, dst_chars);
GlobalUnlock(hData32);
}
/* Unlock source */
if (lpSource->hData32)
GlobalUnlock(lpSource->hData32);
else
GlobalUnlock16(lpSource->hData16);
return X11DRV_CLIPBOARD_InsertClipboardData(wFormatID, 0, hData32, 0);
}
/**************************************************************************
* X11DRV_CLIPBOARD_RenderSynthesizedDIB
*
* Renders synthesized DIB
*/
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedDIB()
{
BOOL bret = FALSE;
LPWINE_CLIPDATA lpSource = NULL;
TRACE("\n");
if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_DIB)) && lpSource->hData32)
{
bret = TRUE;
}
/* If we have a bitmap and it's not synthesized or it has been rendered */
else if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_BITMAP)) &&
(!(lpSource->wFlags & CF_FLAG_SYNTHESIZED) || lpSource->hData32))
{
/* Render source if required */
if (lpSource->hData32 || X11DRV_CLIPBOARD_RenderFormat(lpSource))
{
HDC hdc;
HGLOBAL hData32;
hdc = GetDC(NULL);
hData32 = X11DRV_DIB_CreateDIBFromBitmap(hdc, lpSource->hData32);
ReleaseDC(NULL, hdc);
if (hData32)
{
X11DRV_CLIPBOARD_InsertClipboardData(CF_DIB, 0, hData32, 0);
bret = TRUE;
}
}
}
return bret;
}
/**************************************************************************
* X11DRV_CLIPBOARD_RenderSynthesizedBitmap
*
* Renders synthesized bitmap
*/
static BOOL X11DRV_CLIPBOARD_RenderSynthesizedBitmap()
{
BOOL bret = FALSE;
LPWINE_CLIPDATA lpSource = NULL;
TRACE("\n");
if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_BITMAP)) && lpSource->hData32)
{
bret = TRUE;
}
/* If we have a dib and it's not synthesized or it has been rendered */
else if ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_DIB)) &&
(!(lpSource->wFlags & CF_FLAG_SYNTHESIZED) || lpSource->hData32))
{
/* Render source if required */
if (lpSource->hData32 || X11DRV_CLIPBOARD_RenderFormat(lpSource))
{
HDC hdc;
HBITMAP hData32;
unsigned int offset;
LPBITMAPINFOHEADER lpbmih;
hdc = GetDC(NULL);
lpbmih = (LPBITMAPINFOHEADER) GlobalLock(lpSource->hData32);
offset = sizeof(BITMAPINFOHEADER)
+ ((lpbmih->biBitCount <= 8) ? (sizeof(RGBQUAD) *
(1 << lpbmih->biBitCount)) : 0);
hData32 = CreateDIBitmap(hdc, lpbmih, CBM_INIT, (LPBYTE)lpbmih +
offset, (LPBITMAPINFO) lpbmih, DIB_RGB_COLORS);
GlobalUnlock(lpSource->hData32);
ReleaseDC(NULL, hdc);
if (hData32)
{
X11DRV_CLIPBOARD_InsertClipboardData(CF_BITMAP, 0, hData32, 0);
bret = TRUE;
}
}
}
return bret;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ImportXAString
*
* Import XA_STRING, converting the string to CF_UNICODE.
*/
HANDLE X11DRV_CLIPBOARD_ImportXAString(LPBYTE lpdata, UINT cBytes)
{
LPSTR lpstr;
UINT i, inlcount = 0;
HANDLE hUnicodeText = 0;
for (i = 0; i <= cBytes; i++)
{
if (lpdata[i] == '\n')
inlcount++;
}
if ((lpstr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cBytes + inlcount + 1)))
{
UINT count;
for (i = 0, inlcount = 0; i <= cBytes; i++)
{
if (lpdata[i] == '\n')
lpstr[inlcount++] = '\r';
lpstr[inlcount++] = lpdata[i];
}
count = MultiByteToWideChar(CP_UNIXCP, 0, lpstr, -1, NULL, 0);
hUnicodeText = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, count * sizeof(WCHAR));
if(hUnicodeText)
{
WCHAR *textW = GlobalLock(hUnicodeText);
MultiByteToWideChar(CP_UNIXCP, 0, lpstr, -1, textW, count);
GlobalUnlock(hUnicodeText);
}
HeapFree(GetProcessHeap(), 0, lpstr);
}
return hUnicodeText;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ImportXAPIXMAP
*
* Import XA_PIXMAP, converting the image to CF_DIB.
*/
HANDLE X11DRV_CLIPBOARD_ImportXAPIXMAP(LPBYTE lpdata, UINT cBytes)
{
HANDLE hTargetImage = 0; /* Handle to store the converted DIB */
Pixmap *pPixmap = (Pixmap *) lpdata;
HWND hwnd = GetOpenClipboardWindow();
HDC hdc = GetDC(hwnd);
hTargetImage = X11DRV_DIB_CreateDIBFromPixmap(*pPixmap, hdc);
ReleaseDC(hwnd, hdc);
return hTargetImage;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ImportMetaFilePict
*
* Import MetaFilePict.
*/
HANDLE X11DRV_CLIPBOARD_ImportMetaFilePict(LPBYTE lpdata, UINT cBytes)
{
return X11DRV_CLIPBOARD_SerializeMetafile(CF_METAFILEPICT, (HANDLE)lpdata, (LPDWORD)&cBytes, FALSE);
}
/**************************************************************************
* X11DRV_ImportEnhMetaFile
*
* Import EnhMetaFile.
*/
HANDLE X11DRV_CLIPBOARD_ImportEnhMetaFile(LPBYTE lpdata, UINT cBytes)
{
return X11DRV_CLIPBOARD_SerializeMetafile(CF_ENHMETAFILE, (HANDLE)lpdata, (LPDWORD)&cBytes, FALSE);
}
/**************************************************************************
* X11DRV_ImportClipbordaData
*
* Generic import clipboard data routine.
*/
HANDLE X11DRV_CLIPBOARD_ImportClipboardData(LPBYTE lpdata, UINT cBytes)
{
LPVOID lpClipData;
HANDLE hClipData = 0;
if (cBytes)
{
/* Turn on the DDESHARE flag to enable shared 32 bit memory */
hClipData = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, cBytes);
if (hClipData == 0) return NULL;
if ((lpClipData = GlobalLock(hClipData)))
{
memcpy(lpClipData, lpdata, cBytes);
GlobalUnlock(hClipData);
}
else {
GlobalFree(hClipData);
hClipData = 0;
}
}
return hClipData;
}
/**************************************************************************
X11DRV_CLIPBOARD_ExportClipboardData
*
* Generic export clipboard data routine.
*/
HANDLE X11DRV_CLIPBOARD_ExportClipboardData(Window requestor, Atom aTarget,
Atom rprop, LPWINE_CLIPDATA lpData, LPDWORD lpBytes)
{
LPVOID lpClipData;
UINT cBytes = 0;
HANDLE hClipData = 0;
*lpBytes = 0; /* Assume failure */
if (!X11DRV_CLIPBOARD_RenderFormat(lpData))
ERR("Failed to export %d format\n", lpData->wFormatID);
else
{
cBytes = GlobalSize(lpData->hData32);
hClipData = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, cBytes);
if (hClipData == 0) return NULL;
if ((lpClipData = GlobalLock(hClipData)))
{
LPVOID lpdata = GlobalLock(lpData->hData32);
memcpy(lpClipData, lpdata, cBytes);
*lpBytes = cBytes;
GlobalUnlock(lpData->hData32);
GlobalUnlock(hClipData);
} else {
GlobalFree(hClipData);
hClipData = 0;
}
}
return hClipData;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportXAString
*
* Export CF_UNICODE converting the string to XA_STRING.
* Helper function for X11DRV_CLIPBOARD_ExportString.
*/
static HANDLE X11DRV_CLIPBOARD_ExportXAString(LPWINE_CLIPDATA lpData, LPDWORD lpBytes)
{
UINT i, j;
UINT size;
LPWSTR uni_text;
LPSTR text, lpstr = NULL;
*lpBytes = 0; /* Assume return has zero bytes */
uni_text = GlobalLock(lpData->hData32);
size = WideCharToMultiByte(CP_UNIXCP, 0, uni_text, -1, NULL, 0, NULL, NULL);
text = HeapAlloc(GetProcessHeap(), 0, size);
if (!text) goto done;
WideCharToMultiByte(CP_UNIXCP, 0, uni_text, -1, text, size, NULL, NULL);
/* remove carriage returns */
lpstr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size-- );
if(lpstr == NULL) goto done;
for(i = 0,j = 0; i < size && text[i]; i++ )
{
if( text[i] == '\r' &&
(text[i+1] == '\n' || text[i+1] == '\0') ) continue;
lpstr[j++] = text[i];
}
lpstr[j]='\0';
*lpBytes = j; /* Number of bytes in string */
done:
HeapFree(GetProcessHeap(), 0, text);
GlobalUnlock(lpData->hData32);
return lpstr;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportCompoundText
*
* Export CF_UNICODE to COMPOUND_TEXT or TEXT
* Helper function for X11DRV_CLIPBOARD_ExportString.
*/
static HANDLE X11DRV_CLIPBOARD_ExportCompoundText(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpData, LPDWORD lpBytes)
{
Display *display = thread_display();
char* lpstr = 0;
XTextProperty prop;
XICCEncodingStyle style;
lpstr = (char*) X11DRV_CLIPBOARD_ExportXAString(lpData, lpBytes);
if (lpstr)
{
if (aTarget == x11drv_atom(COMPOUND_TEXT))
style = XCompoundTextStyle;
else
style = XStdICCTextStyle;
/* Update the X property */
wine_tsx11_lock();
if (XmbTextListToTextProperty(display, &lpstr, 1, style, &prop) == Success)
{
XSetTextProperty(display, requestor, &prop, rprop);
XFree(prop.value);
}
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, lpstr );
}
return 0;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportString
*
* Export CF_UNICODE string
*/
HANDLE X11DRV_CLIPBOARD_ExportString(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpData, LPDWORD lpBytes)
{
if (X11DRV_CLIPBOARD_RenderFormat(lpData))
{
if (aTarget == XA_STRING)
return X11DRV_CLIPBOARD_ExportXAString(lpData, lpBytes);
else if (aTarget == x11drv_atom(COMPOUND_TEXT) || aTarget == x11drv_atom(TEXT))
return X11DRV_CLIPBOARD_ExportCompoundText(requestor, aTarget,
rprop, lpData, lpBytes);
else
ERR("Unknown target %ld to %d format\n", aTarget, lpData->wFormatID);
}
else
ERR("Failed to render %d format\n", lpData->wFormatID);
return 0;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportXAPIXMAP
*
* Export CF_DIB to XA_PIXMAP.
*/
HANDLE X11DRV_CLIPBOARD_ExportXAPIXMAP(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpdata, LPDWORD lpBytes)
{
HDC hdc;
HANDLE hData;
unsigned char* lpData;
if (!X11DRV_CLIPBOARD_RenderFormat(lpdata))
{
ERR("Failed to export %d format\n", lpdata->wFormatID);
return 0;
}
if (!lpdata->drvData) /* If not already rendered */
{
/* For convert from packed DIB to Pixmap */
hdc = GetDC(0);
lpdata->drvData = (UINT) X11DRV_DIB_CreatePixmapFromDIB(lpdata->hData32, hdc);
ReleaseDC(0, hdc);
}
*lpBytes = sizeof(Pixmap); /* pixmap is a 32bit value */
/* Wrap pixmap so we can return a handle */
hData = GlobalAlloc(0, *lpBytes);
lpData = GlobalLock(hData);
memcpy(lpData, &lpdata->drvData, *lpBytes);
GlobalUnlock(hData);
return (HANDLE) hData;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportMetaFilePict
*
* Export MetaFilePict.
*/
HANDLE X11DRV_CLIPBOARD_ExportMetaFilePict(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpdata, LPDWORD lpBytes)
{
if (!X11DRV_CLIPBOARD_RenderFormat(lpdata))
{
ERR("Failed to export %d format\n", lpdata->wFormatID);
return 0;
}
return X11DRV_CLIPBOARD_SerializeMetafile(CF_METAFILEPICT, (HANDLE)lpdata->hData32,
lpBytes, TRUE);
}
/**************************************************************************
* X11DRV_CLIPBOARD_ExportEnhMetaFile
*
* Export EnhMetaFile.
*/
HANDLE X11DRV_CLIPBOARD_ExportEnhMetaFile(Window requestor, Atom aTarget, Atom rprop,
LPWINE_CLIPDATA lpdata, LPDWORD lpBytes)
{
if (!X11DRV_CLIPBOARD_RenderFormat(lpdata))
{
ERR("Failed to export %d format\n", lpdata->wFormatID);
return 0;
}
return X11DRV_CLIPBOARD_SerializeMetafile(CF_ENHMETAFILE, (HANDLE)lpdata->hData32,
lpBytes, TRUE);
}
/**************************************************************************
* X11DRV_CLIPBOARD_QueryTargets
*/
static BOOL X11DRV_CLIPBOARD_QueryTargets(Display *display, Window w, Atom selection,
Atom target, XEvent *xe)
{
INT i;
Bool res;
wine_tsx11_lock();
XConvertSelection(display, selection, target,
x11drv_atom(SELECTION_DATA), w, CurrentTime);
wine_tsx11_unlock();
/*
* Wait until SelectionNotify is received
*/
for (i = 0; i < SELECTION_RETRIES; i++)
{
wine_tsx11_lock();
res = XCheckTypedWindowEvent(display, w, SelectionNotify, xe);
wine_tsx11_unlock();
if (res && xe->xselection.selection == selection) break;
usleep(SELECTION_WAIT);
}
/* Verify that the selection returned a valid TARGETS property */
if ((xe->xselection.target != target) || (xe->xselection.property == None))
{
/* Selection owner failed to respond or we missed the SelectionNotify */
WARN("Failed to retrieve TARGETS for selection %ld.\n", selection);
return FALSE;
}
return TRUE;
}
/**************************************************************************
* X11DRV_CLIPBOARD_InsertSelectionProperties
*
* Mark property available for future retrieval.
*/
static VOID X11DRV_CLIPBOARD_InsertSelectionProperties(Display *display, Atom* properties, UINT count)
{
UINT i, nb_atoms = 0;
Atom *atoms = NULL;
/* Cache these formats in the clipboard cache */
for (i = 0; i < count; i++)
{
LPWINE_CLIPFORMAT lpFormat = X11DRV_CLIPBOARD_LookupProperty(properties[i]);
if (!lpFormat)
lpFormat = X11DRV_CLIPBOARD_LookupAliasProperty(properties[i]);
if (!lpFormat)
{
/* add it to the list of atoms that we don't know about yet */
if (!atoms) atoms = HeapAlloc( GetProcessHeap(), 0,
(count - i) * sizeof(*atoms) );
if (atoms) atoms[nb_atoms++] = properties[i];
}
else
{
TRACE("Atom#%d Property(%d): --> FormatID(%d) %s\n",
i, lpFormat->drvData, lpFormat->wFormatID, debugstr_w(lpFormat->Name));
X11DRV_CLIPBOARD_InsertClipboardData(lpFormat->wFormatID, 0, 0, 0);
}
}
/* query all unknown atoms in one go */
if (atoms)
{
char **names = HeapAlloc( GetProcessHeap(), 0, nb_atoms * sizeof(*names) );
if (names)
{
wine_tsx11_lock();
XGetAtomNames( display, atoms, nb_atoms, names );
wine_tsx11_unlock();
for (i = 0; i < nb_atoms; i++)
{
WINE_CLIPFORMAT *lpFormat;
LPWSTR wname;
int len = MultiByteToWideChar(CP_UNIXCP, 0, names[i], -1, NULL, 0);
wname = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
MultiByteToWideChar(CP_UNIXCP, 0, names[i], -1, wname, len);
lpFormat = register_format( wname, atoms[i] );
HeapFree(GetProcessHeap(), 0, wname);
if (!lpFormat)
{
ERR("Failed to register %s property. Type will not be cached.\n", names[i]);
continue;
}
TRACE("Atom#%d Property(%d): --> FormatID(%d) %s\n",
i, lpFormat->drvData, lpFormat->wFormatID, debugstr_w(lpFormat->Name));
X11DRV_CLIPBOARD_InsertClipboardData(lpFormat->wFormatID, 0, 0, 0);
}
wine_tsx11_lock();
for (i = 0; i < nb_atoms; i++) XFree( names[i] );
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, names );
}
HeapFree( GetProcessHeap(), 0, atoms );
}
}
/**************************************************************************
* X11DRV_CLIPBOARD_QueryAvailableData
*
* Caches the list of data formats available from the current selection.
* This queries the selection owner for the TARGETS property and saves all
* reported property types.
*/
static int X11DRV_CLIPBOARD_QueryAvailableData(LPCLIPBOARDINFO lpcbinfo)
{
Display *display = thread_display();
XEvent xe;
Atom atype=AnyPropertyType;
int aformat;
unsigned long remain;
Atom* targetList=NULL;
Window w;
unsigned long cSelectionTargets = 0;
if (selectionAcquired & (S_PRIMARY | S_CLIPBOARD))
{
ERR("Received request to cache selection but process is owner=(%08x)\n",
(unsigned) selectionWindow);
return -1; /* Prevent self request */
}
w = thread_selection_wnd();
if (!w)
{
ERR("No window available to retrieve selection!\n");
return -1;
}
/*
* Query the selection owner for the TARGETS property
*/
wine_tsx11_lock();
if ((use_primary_selection && XGetSelectionOwner(display,XA_PRIMARY)) ||
XGetSelectionOwner(display,x11drv_atom(CLIPBOARD)))
{
wine_tsx11_unlock();
if (use_primary_selection && (X11DRV_CLIPBOARD_QueryTargets(display, w, XA_PRIMARY, x11drv_atom(TARGETS), &xe)))
selectionCacheSrc = XA_PRIMARY;
else if (X11DRV_CLIPBOARD_QueryTargets(display, w, x11drv_atom(CLIPBOARD), x11drv_atom(TARGETS), &xe))
selectionCacheSrc = x11drv_atom(CLIPBOARD);
else
{
Atom xstr = XA_PRIMARY;
/* Selection Owner doesn't understand TARGETS, try retrieving XA_STRING */
if (X11DRV_CLIPBOARD_QueryTargets(display, w, XA_PRIMARY, XA_STRING, &xe))
{
X11DRV_CLIPBOARD_InsertSelectionProperties(display, &xstr, 1);
selectionCacheSrc = XA_PRIMARY;
return 1;
}
else if (X11DRV_CLIPBOARD_QueryTargets(display, w, x11drv_atom(CLIPBOARD), XA_STRING, &xe))
{
X11DRV_CLIPBOARD_InsertSelectionProperties(display, &xstr, 1);
selectionCacheSrc = x11drv_atom(CLIPBOARD);
return 1;
}
else
{
WARN("Failed to query selection owner for available data.\n");
return -1;
}
}
}
else /* No selection owner so report 0 targets available */
{
wine_tsx11_unlock();
return 0;
}
/* Read the TARGETS property contents */
wine_tsx11_lock();
if(XGetWindowProperty(display, xe.xselection.requestor, xe.xselection.property,
0, 0x3FFF, True, AnyPropertyType/*XA_ATOM*/, &atype, &aformat, &cSelectionTargets,
&remain, (unsigned char**)&targetList) != Success)
{
wine_tsx11_unlock();
WARN("Failed to read TARGETS property\n");
}
else
{
wine_tsx11_unlock();
TRACE("Type %lx,Format %d,nItems %ld, Remain %ld\n",
atype, aformat, cSelectionTargets, remain);
/*
* The TARGETS property should have returned us a list of atoms
* corresponding to each selection target format supported.
*/
if ((atype == XA_ATOM || atype == x11drv_atom(TARGETS)) && aformat == 32)
X11DRV_CLIPBOARD_InsertSelectionProperties(display, targetList, cSelectionTargets);
/* Free the list of targets */
wine_tsx11_lock();
XFree(targetList);
wine_tsx11_unlock();
}
return cSelectionTargets;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ReadClipboardData
*
* This method is invoked only when we DO NOT own the X selection
*
* We always get the data from the selection client each time,
* since we have no way of determining if the data in our cache is stale.
*/
static BOOL X11DRV_CLIPBOARD_ReadClipboardData(UINT wFormat)
{
Display *display = thread_display();
BOOL bRet = FALSE;
Bool res;
LPWINE_CLIPFORMAT lpFormat;
TRACE("%d\n", wFormat);
if (!selectionAcquired)
{
Window w = thread_selection_wnd();
if(!w)
{
ERR("No window available to read selection data!\n");
return FALSE;
}
lpFormat = X11DRV_CLIPBOARD_LookupFormat(wFormat);
if (lpFormat && lpFormat->drvData)
{
DWORD i;
UINT alias;
XEvent xe;
TRACE("Requesting %s selection (%d) from win(%08x)\n",
debugstr_w(lpFormat->Name), lpFormat->drvData, (UINT)selectionCacheSrc);
wine_tsx11_lock();
XConvertSelection(display, selectionCacheSrc, lpFormat->drvData,
x11drv_atom(SELECTION_DATA), w, CurrentTime);
wine_tsx11_unlock();
/* wait until SelectionNotify is received */
for (i = 0; i < SELECTION_RETRIES; i++)
{
wine_tsx11_lock();
res = XCheckTypedWindowEvent(display, w, SelectionNotify, &xe);
wine_tsx11_unlock();
if (res && xe.xselection.selection == selectionCacheSrc) break;
usleep(SELECTION_WAIT);
}
/* If the property wasn't available check for aliases */
if (xe.xselection.property == None &&
(alias = X11DRV_CLIPBOARD_LookupPropertyAlias(lpFormat->drvData)))
{
wine_tsx11_lock();
XConvertSelection(display, selectionCacheSrc, alias,
x11drv_atom(SELECTION_DATA), w, CurrentTime);
wine_tsx11_unlock();
/* wait until SelectionNotify is received */
for (i = 0; i < SELECTION_RETRIES; i++)
{
wine_tsx11_lock();
res = XCheckTypedWindowEvent(display, w, SelectionNotify, &xe);
wine_tsx11_unlock();
if (res && xe.xselection.selection == selectionCacheSrc) break;
usleep(SELECTION_WAIT);
}
}
/* Verify that the selection returned a valid TARGETS property */
if (xe.xselection.property != None)
{
/*
* Read the contents of the X selection property
* into WINE's clipboard cache converting the
* selection to be compatible if possible.
*/
bRet = X11DRV_CLIPBOARD_ReadSelection(lpFormat, xe.xselection.requestor,
xe.xselection.property);
}
}
}
else
{
ERR("Received request to cache selection data but process is owner\n");
}
TRACE("Returning %d\n", bRet);
return bRet;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ReadSelection
* Reads the contents of the X selection property into the WINE clipboard cache
* converting the selection into a format compatible with the windows clipboard
* if possible.
* This method is invoked only to read the contents of a the selection owned
* by an external application. i.e. when we do not own the X selection.
*/
static BOOL X11DRV_CLIPBOARD_ReadSelection(LPWINE_CLIPFORMAT lpData, Window w, Atom prop)
{
Display *display = thread_display();
Atom atype=AnyPropertyType;
int aformat;
unsigned long total,nitems,remain,val_cnt;
long reqlen, bwc;
unsigned char* val;
unsigned char* buffer;
BOOL bRet = FALSE;
if(prop == None)
return bRet;
TRACE("Reading X selection type %s\n", debugstr_w(lpData->Name));
/*
* First request a zero length in order to figure out the request size.
*/
wine_tsx11_lock();
if(XGetWindowProperty(display,w,prop,0,0,False, AnyPropertyType,
&atype, &aformat, &nitems, &remain, &buffer) != Success)
{
wine_tsx11_unlock();
WARN("Failed to get property size\n");
return bRet;
}
/* Free zero length return data if any */
if (buffer)
{
XFree(buffer);
buffer = NULL;
}
bwc = aformat/8;
reqlen = remain * bwc;
TRACE("Retrieving %ld bytes\n", reqlen);
val = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, reqlen);
/* Read property in 4K blocks */
for (total = 0, val_cnt = 0; remain;)
{
if (XGetWindowProperty(display, w, prop, (total / 4), 4096, False,
AnyPropertyType, &atype, &aformat, &nitems, &remain, &buffer) != Success)
{
wine_tsx11_unlock();
WARN("Failed to read property\n");
HeapFree(GetProcessHeap(), 0, val);
return bRet;
}
bwc = aformat/8;
memcpy(&val[val_cnt], buffer, nitems * bwc);
val_cnt += nitems * bwc;
total += nitems*bwc;
XFree(buffer);
}
wine_tsx11_unlock();
bRet = X11DRV_CLIPBOARD_InsertClipboardData(lpData->wFormatID, 0, lpData->lpDrvImportFunc(val, total), 0);
/* Delete the property on the window now that we are done
* This will send a PropertyNotify event to the selection owner. */
wine_tsx11_lock();
XDeleteProperty(display,w,prop);
wine_tsx11_unlock();
/* Free the retrieved property data */
HeapFree(GetProcessHeap(),0,val);
return bRet;
}
/**************************************************************************
* CLIPBOARD_SerializeMetafile
*/
static HANDLE X11DRV_CLIPBOARD_SerializeMetafile(INT wformat, HANDLE hdata, LPDWORD lpcbytes, BOOL out)
{
HANDLE h = 0;
TRACE(" wFormat=%d hdata=%08x out=%d\n", wformat, (unsigned int) hdata, out);
if (out) /* Serialize out, caller should free memory */
{
*lpcbytes = 0; /* Assume failure */
if (wformat == CF_METAFILEPICT)
{
LPMETAFILEPICT lpmfp = (LPMETAFILEPICT) GlobalLock(hdata);
unsigned int size = GetMetaFileBitsEx(lpmfp->hMF, 0, NULL);
h = GlobalAlloc(0, size + sizeof(METAFILEPICT));
if (h)
{
char *pdata = GlobalLock(h);
memcpy(pdata, lpmfp, sizeof(METAFILEPICT));
GetMetaFileBitsEx(lpmfp->hMF, size, pdata + sizeof(METAFILEPICT));
*lpcbytes = size + sizeof(METAFILEPICT);
GlobalUnlock(h);
}
GlobalUnlock(hdata);
}
else if (wformat == CF_ENHMETAFILE)
{
int size = GetEnhMetaFileBits(hdata, 0, NULL);
h = GlobalAlloc(0, size);
if (h)
{
LPVOID pdata = GlobalLock(h);
GetEnhMetaFileBits(hdata, size, pdata);
*lpcbytes = size;
GlobalUnlock(h);
}
}
}
else
{
if (wformat == CF_METAFILEPICT)
{
h = GlobalAlloc(0, sizeof(METAFILEPICT));
if (h)
{
unsigned int wiresize, size;
LPMETAFILEPICT lpmfp = (LPMETAFILEPICT) GlobalLock(h);
memcpy(lpmfp, (LPVOID)hdata, sizeof(METAFILEPICT));
wiresize = *lpcbytes - sizeof(METAFILEPICT);
lpmfp->hMF = SetMetaFileBitsEx(wiresize,
((const BYTE *)hdata) + sizeof(METAFILEPICT));
size = GetMetaFileBitsEx(lpmfp->hMF, 0, NULL);
GlobalUnlock(h);
}
}
else if (wformat == CF_ENHMETAFILE)
{
h = SetEnhMetaFileBits(*lpcbytes, (LPVOID)hdata);
}
}
return h;
}
/**************************************************************************
* X11DRV_CLIPBOARD_ReleaseSelection
*
* Release XA_CLIPBOARD and XA_PRIMARY in response to a SelectionClear event.
*/
static void X11DRV_CLIPBOARD_ReleaseSelection(Atom selType, Window w, HWND hwnd, Time time)
{
Display *display = thread_display();
/* w is the window that lost the selection
*/
TRACE("event->window = %08x (selectionWindow = %08x) selectionAcquired=0x%08x\n",
(unsigned)w, (unsigned)selectionWindow, (unsigned)selectionAcquired);
if (selectionAcquired && (w == selectionWindow))
{
CLIPBOARDINFO cbinfo;
/* completely give up the selection */
TRACE("Lost CLIPBOARD (+PRIMARY) selection\n");
X11DRV_CLIPBOARD_GetClipboardInfo(&cbinfo);
if (cbinfo.flags & CB_PROCESS)
{
/* Since we're still the owner, this wasn't initiated by
another Wine process */
if (OpenClipboard(hwnd))
{
/* Destroy private objects */
SendMessageW(cbinfo.hWndOwner, WM_DESTROYCLIPBOARD, 0, 0);
/* Give up ownership of the windows clipboard */
X11DRV_CLIPBOARD_ReleaseOwnership();
CloseClipboard();
}
}
if ((selType == x11drv_atom(CLIPBOARD)) && (selectionAcquired & S_PRIMARY))
{
TRACE("Lost clipboard. Check if we need to release PRIMARY\n");
wine_tsx11_lock();
if (selectionWindow == XGetSelectionOwner(display, XA_PRIMARY))
{
TRACE("We still own PRIMARY. Releasing PRIMARY.\n");
XSetSelectionOwner(display, XA_PRIMARY, None, time);
}
else
TRACE("We no longer own PRIMARY\n");
wine_tsx11_unlock();
}
else if ((selType == XA_PRIMARY) && (selectionAcquired & S_CLIPBOARD))
{
TRACE("Lost PRIMARY. Check if we need to release CLIPBOARD\n");
wine_tsx11_lock();
if (selectionWindow == XGetSelectionOwner(display,x11drv_atom(CLIPBOARD)))
{
TRACE("We still own CLIPBOARD. Releasing CLIPBOARD.\n");
XSetSelectionOwner(display, x11drv_atom(CLIPBOARD), None, time);
}
else
TRACE("We no longer own CLIPBOARD\n");
wine_tsx11_unlock();
}
selectionWindow = None;
X11DRV_EmptyClipboard(FALSE);
/* Reset the selection flags now that we are done */
selectionAcquired = S_NOSELECTION;
}
}
/**************************************************************************
* IsSelectionOwner (X11DRV.@)
*
* Returns: TRUE if the selection is owned by this process, FALSE otherwise
*/
static BOOL X11DRV_CLIPBOARD_IsSelectionOwner(void)
{
return selectionAcquired;
}
/**************************************************************************
* X11DRV Clipboard Exports
**************************************************************************/
/**************************************************************************
* RegisterClipboardFormat (X11DRV.@)
*
* Registers a custom X clipboard format
* Returns: Format id or 0 on failure
*/
UINT X11DRV_RegisterClipboardFormat(LPCWSTR FormatName)
{
LPWINE_CLIPFORMAT lpFormat;
if (FormatName == NULL) return 0;
if (!(lpFormat = register_format( FormatName, 0 ))) return 0;
return lpFormat->wFormatID;
}
/**************************************************************************
* X11DRV_GetClipboardFormatName
*/
INT X11DRV_GetClipboardFormatName(UINT wFormat, LPWSTR retStr, INT maxlen)
{
LPWINE_CLIPFORMAT lpFormat;
TRACE("(%04X, %p, %d) !\n", wFormat, retStr, maxlen);
if (wFormat < 0xc000)
{
SetLastError(ERROR_INVALID_PARAMETER);
return 0;
}
lpFormat = X11DRV_CLIPBOARD_LookupFormat(wFormat);
if (!lpFormat || (lpFormat->wFlags & CF_FLAG_BUILTINFMT))
{
TRACE("Unknown format 0x%08x!\n", wFormat);
SetLastError(ERROR_INVALID_HANDLE);
return 0;
}
lstrcpynW(retStr, lpFormat->Name, maxlen);
return strlenW(retStr);
}
/**************************************************************************
* AcquireClipboard (X11DRV.@)
*/
void X11DRV_AcquireClipboard(HWND hWndClipWindow)
{
Display *display = thread_display();
/*
* Acquire X selection if we don't already own it.
* Note that we only acquire the selection if it hasn't been already
* acquired by us, and ignore the fact that another X window may be
* asserting ownership. The reason for this is we need *any* top level
* X window to hold selection ownership. The actual clipboard data requests
* are made via GetClipboardData from EVENT_SelectionRequest and this
* ensures that the real HWND owner services the request.
* If the owning X window gets destroyed the selection ownership is
* re-cycled to another top level X window in X11DRV_CLIPBOARD_ResetOwner.
*
*/
if (!(selectionAcquired == (S_PRIMARY | S_CLIPBOARD)))
{
Window owner;
if (!hWndClipWindow)
hWndClipWindow = GetActiveWindow();
hWndClipWindow = GetAncestor(hWndClipWindow, GA_ROOT);
if (GetCurrentThreadId() != GetWindowThreadProcessId(hWndClipWindow, NULL))
{
TRACE("Thread %lx is acquiring selection with thread %lx's window %p\n",
GetCurrentThreadId(),
GetWindowThreadProcessId(hWndClipWindow, NULL),
hWndClipWindow);
if (!SendMessageW(hWndClipWindow, WM_X11DRV_ACQUIRE_SELECTION, 0, 0))
ERR("Failed to acquire selection\n");
return;
}
owner = X11DRV_get_whole_window(hWndClipWindow);
wine_tsx11_lock();
/* Grab PRIMARY selection if not owned */
if (use_primary_selection && !(selectionAcquired & S_PRIMARY))
XSetSelectionOwner(display, XA_PRIMARY, owner, CurrentTime);
/* Grab CLIPBOARD selection if not owned */
if (!(selectionAcquired & S_CLIPBOARD))
XSetSelectionOwner(display, x11drv_atom(CLIPBOARD), owner, CurrentTime);
if (use_primary_selection && XGetSelectionOwner(display,XA_PRIMARY) == owner)
selectionAcquired |= S_PRIMARY;
if (XGetSelectionOwner(display,x11drv_atom(CLIPBOARD)) == owner)
selectionAcquired |= S_CLIPBOARD;
wine_tsx11_unlock();
if (selectionAcquired)
{
selectionWindow = owner;
TRACE("Grabbed X selection, owner=(%08x)\n", (unsigned) owner);
}
}
else
{
ERR("Received request to acquire selection but process is already owner=(%08x)\n", (unsigned) selectionWindow);
}
}
/**************************************************************************
* X11DRV_EmptyClipboard
*
* Empty cached clipboard data.
*/
void X11DRV_EmptyClipboard(BOOL keepunowned)
{
if (ClipData)
{
LPWINE_CLIPDATA lpData, lpStart;
LPWINE_CLIPDATA lpNext = ClipData;
TRACE(" called with %d entries in cache.\n", ClipDataCount);
do
{
lpStart = ClipData;
lpData = lpNext;
lpNext = lpData->NextData;
if (!keepunowned || !(lpData->wFlags & CF_FLAG_UNOWNED))
{
lpData->PrevData->NextData = lpData->NextData;
lpData->NextData->PrevData = lpData->PrevData;
if (lpData == ClipData)
ClipData = lpNext != lpData ? lpNext : NULL;
X11DRV_CLIPBOARD_FreeData(lpData);
HeapFree(GetProcessHeap(), 0, lpData);
ClipDataCount--;
}
} while (lpNext != lpStart);
}
TRACE(" %d entries remaining in cache.\n", ClipDataCount);
}
/**************************************************************************
* X11DRV_SetClipboardData
*/
BOOL X11DRV_SetClipboardData(UINT wFormat, HANDLE16 hData16, HANDLE hData32, BOOL owner)
{
DWORD flags = 0;
BOOL bResult = TRUE;
/* If it's not owned, data can only be set if the format data is not already owned
and its rendering is not delayed */
if (!owner)
{
CLIPBOARDINFO cbinfo;
LPWINE_CLIPDATA lpRender;
X11DRV_CLIPBOARD_UpdateCache(&cbinfo);
if ((!hData16 && !hData32) ||
((lpRender = X11DRV_CLIPBOARD_LookupData(wFormat)) &&
!(lpRender->wFlags & CF_FLAG_UNOWNED)))
bResult = FALSE;
else
flags = CF_FLAG_UNOWNED;
}
bResult &= X11DRV_CLIPBOARD_InsertClipboardData(wFormat, hData16, hData32, flags);
return bResult;
}
/**************************************************************************
* CountClipboardFormats
*/
INT X11DRV_CountClipboardFormats(void)
{
CLIPBOARDINFO cbinfo;
X11DRV_CLIPBOARD_UpdateCache(&cbinfo);
TRACE(" count=%d\n", ClipDataCount);
return ClipDataCount;
}
/**************************************************************************
* X11DRV_EnumClipboardFormats
*/
UINT X11DRV_EnumClipboardFormats(UINT wFormat)
{
CLIPBOARDINFO cbinfo;
UINT wNextFormat = 0;
TRACE("(%04X)\n", wFormat);
X11DRV_CLIPBOARD_UpdateCache(&cbinfo);
if (!wFormat)
{
if (ClipData)
wNextFormat = ClipData->wFormatID;
}
else
{
LPWINE_CLIPDATA lpData = X11DRV_CLIPBOARD_LookupData(wFormat);
if (lpData && lpData->NextData != ClipData)
wNextFormat = lpData->NextData->wFormatID;
}
return wNextFormat;
}
/**************************************************************************
* X11DRV_IsClipboardFormatAvailable
*/
BOOL X11DRV_IsClipboardFormatAvailable(UINT wFormat)
{
BOOL bRet = FALSE;
CLIPBOARDINFO cbinfo;
TRACE("(%04X)\n", wFormat);
X11DRV_CLIPBOARD_UpdateCache(&cbinfo);
if (wFormat != 0 && X11DRV_CLIPBOARD_LookupData(wFormat))
bRet = TRUE;
TRACE("(%04X)- ret(%d)\n", wFormat, bRet);
return bRet;
}
/**************************************************************************
* GetClipboardData (USER.142)
*/
BOOL X11DRV_GetClipboardData(UINT wFormat, HANDLE16* phData16, HANDLE* phData32)
{
CLIPBOARDINFO cbinfo;
LPWINE_CLIPDATA lpRender;
TRACE("(%04X)\n", wFormat);
X11DRV_CLIPBOARD_UpdateCache(&cbinfo);
if ((lpRender = X11DRV_CLIPBOARD_LookupData(wFormat)))
{
if ( !lpRender->hData32 )
X11DRV_CLIPBOARD_RenderFormat(lpRender);
/* Convert between 32 -> 16 bit data, if necessary */
if (lpRender->hData32 && !lpRender->hData16)
{
int size;
if (lpRender->wFormatID == CF_METAFILEPICT)
size = sizeof(METAFILEPICT16);
else
size = GlobalSize(lpRender->hData32);
lpRender->hData16 = GlobalAlloc16(GMEM_ZEROINIT, size);
if (!lpRender->hData16)
ERR("(%04X) -- not enough memory in 16b heap\n", wFormat);
else
{
if (lpRender->wFormatID == CF_METAFILEPICT)
{
FIXME("\timplement function CopyMetaFilePict32to16\n");
FIXME("\tin the appropriate file.\n");
#ifdef SOMEONE_IMPLEMENTED_ME
CopyMetaFilePict32to16(GlobalLock16(lpRender->hData16),
GlobalLock(lpRender->hData32));
#endif
}
else
{
memcpy(GlobalLock16(lpRender->hData16),
GlobalLock(lpRender->hData32), size);
}
GlobalUnlock16(lpRender->hData16);
GlobalUnlock(lpRender->hData32);
}
}
/* Convert between 32 -> 16 bit data, if necessary */
if (lpRender->hData16 && !lpRender->hData32)
{
int size;
if (lpRender->wFormatID == CF_METAFILEPICT)
size = sizeof(METAFILEPICT16);
else
size = GlobalSize(lpRender->hData32);
lpRender->hData32 = GlobalAlloc(GMEM_ZEROINIT | GMEM_MOVEABLE |
GMEM_DDESHARE, size);
if (lpRender->wFormatID == CF_METAFILEPICT)
{
FIXME("\timplement function CopyMetaFilePict16to32\n");
FIXME("\tin the appropriate file.\n");
#ifdef SOMEONE_IMPLEMENTED_ME
CopyMetaFilePict16to32(GlobalLock16(lpRender->hData32),
GlobalLock(lpRender->hData16));
#endif
}
else
{
memcpy(GlobalLock(lpRender->hData32),
GlobalLock16(lpRender->hData16), size);
}
GlobalUnlock(lpRender->hData32);
GlobalUnlock16(lpRender->hData16);
}
if (phData16)
*phData16 = lpRender->hData16;
if (phData32)
*phData32 = lpRender->hData32;
TRACE(" returning hData16(%04x) hData32(%04x) (type %d)\n",
lpRender->hData16, (unsigned int) lpRender->hData32, lpRender->wFormatID);
return lpRender->hData16 || lpRender->hData32;
}
return 0;
}
/**************************************************************************
* ResetSelectionOwner (X11DRV.@)
*
* Called from DestroyWindow() to prevent X selection from being lost when
* a top level window is destroyed, by switching ownership to another top
* level window.
* Any top level window can own the selection. See X11DRV_CLIPBOARD_Acquire
* for a more detailed description of this.
*/
void X11DRV_ResetSelectionOwner(HWND hwnd, BOOL bFooBar)
{
Display *display = thread_display();
HWND hWndClipOwner = 0;
HWND tmp;
Window XWnd = X11DRV_get_whole_window(hwnd);
BOOL bLostSelection = FALSE;
Window selectionPrevWindow;
/* There is nothing to do if we don't own the selection,
* or if the X window which currently owns the selection is different
* from the one passed in.
*/
if (!selectionAcquired || XWnd != selectionWindow
|| selectionWindow == None )
return;
if ((bFooBar && XWnd) || (!bFooBar && !XWnd))
return;
hWndClipOwner = GetClipboardOwner();
TRACE("clipboard owner = %p, selection window = %08x\n",
hWndClipOwner, (unsigned)selectionWindow);
/* now try to salvage current selection from being destroyed by X */
TRACE("checking %08x\n", (unsigned) XWnd);
selectionPrevWindow = selectionWindow;
selectionWindow = None;
if (!(tmp = GetWindow(hwnd, GW_HWNDNEXT)))
tmp = GetWindow(hwnd, GW_HWNDFIRST);
if (tmp && tmp != hwnd)
selectionWindow = X11DRV_get_whole_window(tmp);
if (selectionWindow != None)
{
/* We must pretend that we don't own the selection while making the switch
* since a SelectionClear event will be sent to the last owner.
* If there is no owner X11DRV_CLIPBOARD_ReleaseSelection will do nothing.
*/
int saveSelectionState = selectionAcquired;
selectionAcquired = S_NOSELECTION;
TRACE("\tswitching selection from %08x to %08x\n",
(unsigned)selectionPrevWindow, (unsigned)selectionWindow);
wine_tsx11_lock();
/* Assume ownership for the PRIMARY and CLIPBOARD selection */
if (saveSelectionState & S_PRIMARY)
XSetSelectionOwner(display, XA_PRIMARY, selectionWindow, CurrentTime);
XSetSelectionOwner(display, x11drv_atom(CLIPBOARD), selectionWindow, CurrentTime);
/* Restore the selection masks */
selectionAcquired = saveSelectionState;
/* Lose the selection if something went wrong */
if (((saveSelectionState & S_PRIMARY) &&
(XGetSelectionOwner(display, XA_PRIMARY) != selectionWindow)) ||
(XGetSelectionOwner(display, x11drv_atom(CLIPBOARD)) != selectionWindow))
{
bLostSelection = TRUE;
}
wine_tsx11_unlock();
}
else
{
bLostSelection = TRUE;
}
if (bLostSelection)
{
TRACE("Lost the selection!\n");
X11DRV_CLIPBOARD_ReleaseOwnership();
selectionAcquired = S_NOSELECTION;
selectionWindow = 0;
}
}
/**************************************************************************
* X11DRV_CLIPBOARD_SynthesizeData
*/
static BOOL X11DRV_CLIPBOARD_SynthesizeData(UINT wFormatID)
{
BOOL bsyn = TRUE;
LPWINE_CLIPDATA lpSource = NULL;
TRACE(" %d\n", wFormatID);
/* Don't need to synthesize if it already exists */
if (X11DRV_CLIPBOARD_LookupData(wFormatID))
return TRUE;
if (wFormatID == CF_UNICODETEXT || wFormatID == CF_TEXT || wFormatID == CF_OEMTEXT)
{
bsyn = ((lpSource = X11DRV_CLIPBOARD_LookupData(CF_UNICODETEXT)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED) ||
((lpSource = X11DRV_CLIPBOARD_LookupData(CF_TEXT)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED) ||
((lpSource = X11DRV_CLIPBOARD_LookupData(CF_OEMTEXT)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED);
}
else if (wFormatID == CF_ENHMETAFILE)
{
bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_METAFILEPICT)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED;
}
else if (wFormatID == CF_METAFILEPICT)
{
bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_METAFILEPICT)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED;
}
else if (wFormatID == CF_DIB)
{
bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_BITMAP)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED;
}
else if (wFormatID == CF_BITMAP)
{
bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_DIB)) &&
~lpSource->wFlags & CF_FLAG_SYNTHESIZED;
}
if (bsyn)
X11DRV_CLIPBOARD_InsertClipboardData(wFormatID, 0, 0, CF_FLAG_SYNTHESIZED);
return bsyn;
}
/**************************************************************************
* X11DRV_EndClipboardUpdate
* TODO:
* Add locale if it hasn't already been added
*/
void X11DRV_EndClipboardUpdate(void)
{
INT count = ClipDataCount;
/* Do Unicode <-> Text <-> OEM mapping */
X11DRV_CLIPBOARD_SynthesizeData(CF_UNICODETEXT);
X11DRV_CLIPBOARD_SynthesizeData(CF_TEXT);
X11DRV_CLIPBOARD_SynthesizeData(CF_OEMTEXT);
/* Enhmetafile <-> MetafilePict mapping */
X11DRV_CLIPBOARD_SynthesizeData(CF_ENHMETAFILE);
X11DRV_CLIPBOARD_SynthesizeData(CF_METAFILEPICT);
/* DIB <-> Bitmap mapping */
X11DRV_CLIPBOARD_SynthesizeData(CF_DIB);
X11DRV_CLIPBOARD_SynthesizeData(CF_BITMAP);
TRACE("%d formats added to cached data\n", ClipDataCount - count);
}
/***********************************************************************
* add_targets
*
* Utility function for X11DRV_SelectionRequest_TARGETS.
*/
static BOOL add_targets(Atom* targets, unsigned long cTargets, Atom prop)
{
unsigned int i;
BOOL bExists;
/* Scan through what we have so far to avoid duplicates */
for (i = 0, bExists = FALSE; i < cTargets; i++)
{
if (targets[i] == prop)
{
bExists = TRUE;
break;
}
}
if (!bExists)
targets[cTargets] = prop;
return !bExists;
}
/***********************************************************************
* X11DRV_SelectionRequest_TARGETS
* Service a TARGETS selection request event
*/
static Atom X11DRV_SelectionRequest_TARGETS( Display *display, Window requestor,
Atom target, Atom rprop )
{
Atom* targets;
UINT wFormat;
UINT alias;
ULONG cTargets;
LPWINE_CLIPFORMAT lpFormat;
/*
* Count the number of items we wish to expose as selection targets.
* We include the TARGETS item, and property aliases
*/
cTargets = X11DRV_CountClipboardFormats() + 1;
for (wFormat = 0; (wFormat = X11DRV_EnumClipboardFormats(wFormat));)
{
lpFormat = X11DRV_CLIPBOARD_LookupFormat(wFormat);
if (lpFormat)
{
if (!lpFormat->lpDrvExportFunc)
cTargets--;
if (X11DRV_CLIPBOARD_LookupPropertyAlias(lpFormat->drvData))
cTargets++;
}
/* else most likely unregistered format such as CF_PRIVATE or CF_GDIOBJ */
}
TRACE(" found %ld formats\n", cTargets);
/* Allocate temp buffer */
targets = HeapAlloc( GetProcessHeap(), 0, cTargets * sizeof(Atom));
if(targets == NULL)
return None;
/* Create TARGETS property list (First item in list is TARGETS itself) */
for (targets[0] = x11drv_atom(TARGETS), cTargets = 1, wFormat = 0;
(wFormat = X11DRV_EnumClipboardFormats(wFormat));)
{
lpFormat = X11DRV_CLIPBOARD_LookupFormat(wFormat);
if (lpFormat)
{
if (lpFormat->lpDrvExportFunc)
{
if (add_targets(targets, cTargets, lpFormat->drvData))
cTargets++;
}
/* Check if any alias should be listed */
alias = X11DRV_CLIPBOARD_LookupPropertyAlias(lpFormat->drvData);
if (alias)
{
if (add_targets(targets, cTargets, alias))
cTargets++;
}
}
}
wine_tsx11_lock();
if (TRACE_ON(clipboard))
{
unsigned int i;
for ( i = 0; i < cTargets; i++)
{
if (targets[i])
{
char *itemFmtName = XGetAtomName(display, targets[i]);
TRACE("\tAtom# %d: Property %ld Type %s\n", i, targets[i], itemFmtName);
XFree(itemFmtName);
}
}
}
/* We may want to consider setting the type to xaTargets instead,
* in case some apps expect this instead of XA_ATOM */
XChangeProperty(display, requestor, rprop, XA_ATOM, 32,
PropModeReplace, (unsigned char *)targets, cTargets);
wine_tsx11_unlock();
HeapFree(GetProcessHeap(), 0, targets);
return rprop;
}
/***********************************************************************
* X11DRV_SelectionRequest_MULTIPLE
* Service a MULTIPLE selection request event
* rprop contains a list of (target,property) atom pairs.
* The first atom names a target and the second names a property.
* The effect is as if we have received a sequence of SelectionRequest events
* (one for each atom pair) except that:
* 1. We reply with a SelectionNotify only when all the requested conversions
* have been performed.
* 2. If we fail to convert the target named by an atom in the MULTIPLE property,
* we replace the atom in the property by None.
*/
static Atom X11DRV_SelectionRequest_MULTIPLE( HWND hWnd, XSelectionRequestEvent *pevent )
{
Display *display = pevent->display;
Atom rprop;
Atom atype=AnyPropertyType;
int aformat;
unsigned long remain;
Atom* targetPropList=NULL;
unsigned long cTargetPropList = 0;
/* If the specified property is None the requestor is an obsolete client.
* We support these by using the specified target atom as the reply property.
*/
rprop = pevent->property;
if( rprop == None )
rprop = pevent->target;
if (!rprop)
return 0;
/* Read the MULTIPLE property contents. This should contain a list of
* (target,property) atom pairs.
*/
wine_tsx11_lock();
if(XGetWindowProperty(display, pevent->requestor, rprop,
0, 0x3FFF, False, AnyPropertyType, &atype,&aformat,
&cTargetPropList, &remain,
(unsigned char**)&targetPropList) != Success)
{
wine_tsx11_unlock();
TRACE("\tCouldn't read MULTIPLE property\n");
}
else
{
TRACE("\tType %s,Format %d,nItems %ld, Remain %ld\n",
XGetAtomName(display, atype), aformat, cTargetPropList, remain);
wine_tsx11_unlock();
/*
* Make sure we got what we expect.
* NOTE: According to the X-ICCCM Version 2.0 documentation the property sent
* in a MULTIPLE selection request should be of type ATOM_PAIR.
* However some X apps(such as XPaint) are not compliant with this and return
* a user defined atom in atype when XGetWindowProperty is called.
* The data *is* an atom pair but is not denoted as such.
*/
if(aformat == 32 /* atype == xAtomPair */ )
{
unsigned int i;
/* Iterate through the ATOM_PAIR list and execute a SelectionRequest
* for each (target,property) pair */
for (i = 0; i < cTargetPropList; i+=2)
{
XSelectionRequestEvent event;
if (TRACE_ON(clipboard))
{
char *targetName, *propName;
wine_tsx11_lock();
targetName = XGetAtomName(display, targetPropList[i]);
propName = XGetAtomName(display, targetPropList[i+1]);
TRACE("MULTIPLE(%d): Target='%s' Prop='%s'\n",
i/2, targetName, propName);
XFree(targetName);
XFree(propName);
wine_tsx11_unlock();
}
/* We must have a non "None" property to service a MULTIPLE target atom */
if ( !targetPropList[i+1] )
{
TRACE("\tMULTIPLE(%d): Skipping target with empty property!\n", i);
continue;
}
/* Set up an XSelectionRequestEvent for this (target,property) pair */
memcpy( &event, pevent, sizeof(XSelectionRequestEvent) );
event.target = targetPropList[i];
event.property = targetPropList[i+1];
/* Fire a SelectionRequest, informing the handler that we are processing
* a MULTIPLE selection request event.
*/
X11DRV_HandleSelectionRequest( hWnd, &event, TRUE );
}
}
/* Free the list of targets/properties */
wine_tsx11_lock();
XFree(targetPropList);
wine_tsx11_unlock();
}
return rprop;
}
/***********************************************************************
* X11DRV_HandleSelectionRequest
* Process an event selection request event.
* The bIsMultiple flag is used to signal when EVENT_SelectionRequest is called
* recursively while servicing a "MULTIPLE" selection target.
*
* Note: We only receive this event when WINE owns the X selection
*/
static void X11DRV_HandleSelectionRequest( HWND hWnd, XSelectionRequestEvent *event, BOOL bIsMultiple )
{
Display *display = event->display;
XSelectionEvent result;
Atom rprop = None;
Window request = event->requestor;
TRACE("\n");
/*
* We can only handle the selection request if :
* The selection is PRIMARY or CLIPBOARD, AND we can successfully open the clipboard.
* Don't do these checks or open the clipboard while recursively processing MULTIPLE,
* since this has been already done.
*/
if ( !bIsMultiple )
{
if (((event->selection != XA_PRIMARY) && (event->selection != x11drv_atom(CLIPBOARD))))
goto END;
}
/* If the specified property is None the requestor is an obsolete client.
* We support these by using the specified target atom as the reply property.
*/
rprop = event->property;
if( rprop == None )
rprop = event->target;
if(event->target == x11drv_atom(TARGETS)) /* Return a list of all supported targets */
{
/* TARGETS selection request */
rprop = X11DRV_SelectionRequest_TARGETS( display, request, event->target, rprop );
}
else if(event->target == x11drv_atom(MULTIPLE)) /* rprop contains a list of (target, property) atom pairs */
{
/* MULTIPLE selection request */
rprop = X11DRV_SelectionRequest_MULTIPLE( hWnd, event );
}
else
{
LPWINE_CLIPFORMAT lpFormat = X11DRV_CLIPBOARD_LookupProperty(event->target);
if (!lpFormat)
lpFormat = X11DRV_CLIPBOARD_LookupAliasProperty(event->target);
if (lpFormat && lpFormat->lpDrvExportFunc)
{
LPWINE_CLIPDATA lpData = X11DRV_CLIPBOARD_LookupData(lpFormat->wFormatID);
if (lpData)
{
unsigned char* lpClipData;
DWORD cBytes;
HANDLE hClipData = lpFormat->lpDrvExportFunc(request, event->target,
rprop, lpData, &cBytes);
if (hClipData && (lpClipData = GlobalLock(hClipData)))
{
TRACE("\tUpdating property %s, %ld bytes\n", debugstr_w(lpFormat->Name), cBytes);
wine_tsx11_lock();
XChangeProperty(display, request, rprop, event->target,
8, PropModeReplace, (unsigned char *)lpClipData, cBytes);
wine_tsx11_unlock();
GlobalUnlock(hClipData);
GlobalFree(hClipData);
}
}
}
}
END:
/* reply to sender
* SelectionNotify should be sent only at the end of a MULTIPLE request
*/
if ( !bIsMultiple )
{
result.type = SelectionNotify;
result.display = display;
result.requestor = request;
result.selection = event->selection;
result.property = rprop;
result.target = event->target;
result.time = event->time;
TRACE("Sending SelectionNotify event...\n");
wine_tsx11_lock();
XSendEvent(display,event->requestor,False,NoEventMask,(XEvent*)&result);
wine_tsx11_unlock();
}
}
/***********************************************************************
* X11DRV_SelectionRequest
*/
void X11DRV_SelectionRequest( HWND hWnd, XEvent *event )
{
if (!hWnd) return;
X11DRV_HandleSelectionRequest( hWnd, &event->xselectionrequest, FALSE );
}
/***********************************************************************
* X11DRV_SelectionClear
*/
void X11DRV_SelectionClear( HWND hWnd, XEvent *xev )
{
XSelectionClearEvent *event = &xev->xselectionclear;
if (!hWnd) return;
if (event->selection == XA_PRIMARY || event->selection == x11drv_atom(CLIPBOARD))
X11DRV_CLIPBOARD_ReleaseSelection( event->selection, event->window, hWnd, event->time );
}
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