From 57a879849643e79d9674198a3a77c59532fb79b4 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 28 Apr 2011 07:58:00 +0000 Subject: xserver xkeyboard-config mesa git update 28 Apr 2011 --- xorg-server/hw/xwin/winclipboardxevents.c | 1607 +++++++++++++++-------------- 1 file changed, 805 insertions(+), 802 deletions(-) (limited to 'xorg-server/hw/xwin/winclipboardxevents.c') diff --git a/xorg-server/hw/xwin/winclipboardxevents.c b/xorg-server/hw/xwin/winclipboardxevents.c index e65717008..b0006a01f 100644 --- a/xorg-server/hw/xwin/winclipboardxevents.c +++ b/xorg-server/hw/xwin/winclipboardxevents.c @@ -1,802 +1,805 @@ -/* - *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. - *Copyright (C) Colin Harrison 2005-2008 - * - *Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - *"Software"), to deal in the Software without restriction, including - *without limitation the rights to use, copy, modify, merge, publish, - *distribute, sublicense, and/or sell copies of the Software, and to - *permit persons to whom the Software is furnished to do so, subject to - *the following conditions: - * - *The above copyright notice and this permission notice shall be - *included in all copies or substantial portions of the Software. - * - *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR - *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - *Except as contained in this notice, the name of the copyright holder(s) - *and author(s) shall not be used in advertising or otherwise to promote - *the sale, use or other dealings in this Software without prior written - *authorization from the copyright holder(s) and author(s). - * - * Authors: Harold L Hunt II - * Colin Harrison - */ - -#ifdef HAVE_XWIN_CONFIG_H -#include -#endif -#include "winclipboard.h" -#include "misc.h" - - -/* - * References to external symbols - */ - -extern Bool g_fUnicodeSupport; - - -/* - * Process any pending X events - */ - -int -winClipboardFlushXEvents (HWND hwnd, - int iWindow, - Display *pDisplay, - Bool fUseUnicode) -{ - static Atom atomLocalProperty; - static Atom atomCompoundText; - static Atom atomUTF8String; - static Atom atomTargets; - static int generation; - - if (generation != serverGeneration) - { - generation = serverGeneration; - atomLocalProperty = XInternAtom (pDisplay, WIN_LOCAL_PROPERTY, False); - atomUTF8String = XInternAtom (pDisplay, "UTF8_STRING", False); - atomCompoundText = XInternAtom (pDisplay, "COMPOUND_TEXT", False); - atomTargets = XInternAtom (pDisplay, "TARGETS", False); - } - - /* Process all pending events */ - while (XPending (pDisplay)) - { - XTextProperty xtpText = {0}; - XEvent event; - XSelectionEvent eventSelection; - unsigned long ulReturnBytesLeft; - char *pszReturnData = NULL; - char *pszGlobalData = NULL; - int iReturn; - HGLOBAL hGlobal = NULL; - XICCEncodingStyle xiccesStyle; - int iConvertDataLen = 0; - char *pszConvertData = NULL; - char *pszTextList[2] = {NULL}; - int iCount; - char **ppszTextList = NULL; - wchar_t *pwszUnicodeStr = NULL; - int iUnicodeLen = 0; - int iReturnDataLen = 0; - int i; - Bool fAbort = FALSE; - Bool fCloseClipboard = FALSE; - Bool fSetClipboardData = TRUE; - - /* Get the next event - will not block because one is ready */ - XNextEvent (pDisplay, &event); - - /* Branch on the event type */ - switch (event.type) - { - /* - * SelectionRequest - */ - - case SelectionRequest: - { - char *pszAtomName = NULL; - winDebug("SelectionRequest - target %d\n", - event.xselectionrequest.target); - - pszAtomName = XGetAtomName (pDisplay, - event.xselectionrequest.target); - winDebug("SelectionRequest - Target atom name %s\n", pszAtomName); - XFree (pszAtomName); - pszAtomName = NULL; - } - - /* Abort if invalid target type */ - if (event.xselectionrequest.target != XA_STRING - && event.xselectionrequest.target != atomUTF8String - && event.xselectionrequest.target != atomCompoundText - && event.xselectionrequest.target != atomTargets) - { - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - /* Handle targets type of request */ - if (event.xselectionrequest.target == atomTargets) - { - Atom atomTargetArr[] = {atomTargets, - atomCompoundText, - atomUTF8String, - XA_STRING}; - - /* Try to change the property */ - iReturn = XChangeProperty (pDisplay, - event.xselectionrequest.requestor, - event.xselectionrequest.property, - XA_ATOM, - 32, - PropModeReplace, - (unsigned char *) atomTargetArr, - (sizeof (atomTargetArr) - / sizeof (atomTargetArr[0]))); - if (iReturn == BadAlloc - || iReturn == BadAtom - || iReturn == BadMatch - || iReturn == BadValue - || iReturn == BadWindow) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "XChangeProperty failed: %d\n", - iReturn); - } - - /* Setup selection notify xevent */ - eventSelection.type = SelectionNotify; - eventSelection.send_event = True; - eventSelection.display = pDisplay; - eventSelection.requestor = event.xselectionrequest.requestor; - eventSelection.selection = event.xselectionrequest.selection; - eventSelection.target = event.xselectionrequest.target; - eventSelection.property = event.xselectionrequest.property; - eventSelection.time = event.xselectionrequest.time; - - /* - * Notify the requesting window that - * the operation has completed - */ - iReturn = XSendEvent (pDisplay, - eventSelection.requestor, - False, - 0L, - (XEvent *) &eventSelection); - if (iReturn == BadValue || iReturn == BadWindow) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "XSendEvent () failed\n"); - } - break; - } - - /* Check that clipboard format is available */ - if (fUseUnicode - && !IsClipboardFormatAvailable (CF_UNICODETEXT)) - { - static int count; /* Hack to stop acroread spamming the log */ - static HWND lasthwnd; /* I've not seen any other client get here repeatedly? */ - if (hwnd != lasthwnd) count = 0; - count++; - if (count < 6) ErrorF ("winClipboardFlushXEvents - CF_UNICODETEXT is not " - "available from Win32 clipboard. Aborting %d.\n", count); - lasthwnd = hwnd; - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - else if (!fUseUnicode - && !IsClipboardFormatAvailable (CF_TEXT)) - { - ErrorF ("winClipboardFlushXEvents - CF_TEXT is not " - "available from Win32 clipboard. Aborting.\n"); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - /* Close clipboard if we have it open already */ - if (GetOpenClipboardWindow () == hwnd) - { - CloseClipboard (); - } - - /* Access the clipboard */ - if (!OpenClipboard (hwnd)) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "OpenClipboard () failed: %08lx\n", - GetLastError ()); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - /* Indicate that clipboard was opened */ - fCloseClipboard = TRUE; - - /* Setup the string style */ - if (event.xselectionrequest.target == XA_STRING) - xiccesStyle = XStringStyle; -#ifdef X_HAVE_UTF8_STRING - else if (event.xselectionrequest.target == atomUTF8String) - xiccesStyle = XUTF8StringStyle; -#endif - else if (event.xselectionrequest.target == atomCompoundText) - xiccesStyle = XCompoundTextStyle; - else - xiccesStyle = XStringStyle; - - /* - * FIXME: Can't pass CF_UNICODETEXT on Windows 95/98/Me - */ - - /* Get a pointer to the clipboard text, in desired format */ - if (fUseUnicode) - { - /* Retrieve clipboard data */ - hGlobal = GetClipboardData (CF_UNICODETEXT); - } - else - { - /* Retrieve clipboard data */ - hGlobal = GetClipboardData (CF_TEXT); - } - if (!hGlobal) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "GetClipboardData () failed: %08lx\n", - GetLastError ()); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - pszGlobalData = (char *) GlobalLock (hGlobal); - - /* Convert the Unicode string to UTF8 (MBCS) */ - if (fUseUnicode) - { - iConvertDataLen = WideCharToMultiByte (CP_UTF8, - 0, - (LPCWSTR)pszGlobalData, - -1, - NULL, - 0, - NULL, - NULL); - /* NOTE: iConvertDataLen includes space for null terminator */ - pszConvertData = (char *) malloc (iConvertDataLen); - WideCharToMultiByte (CP_UTF8, - 0, - (LPCWSTR)pszGlobalData, - -1, - pszConvertData, - iConvertDataLen, - NULL, - NULL); - } - else - { - pszConvertData = strdup (pszGlobalData); - iConvertDataLen = strlen (pszConvertData) + 1; - } - - /* Convert DOS string to UNIX string */ - winClipboardDOStoUNIX (pszConvertData, strlen (pszConvertData)); - - /* Setup our text list */ - pszTextList[0] = pszConvertData; - pszTextList[1] = NULL; - - /* Initialize the text property */ - xtpText.value = NULL; - xtpText.nitems = 0; - - /* Create the text property from the text list */ - if (fUseUnicode) - { -#ifdef X_HAVE_UTF8_STRING - iReturn = Xutf8TextListToTextProperty (pDisplay, - pszTextList, - 1, - xiccesStyle, - &xtpText); -#endif - } - else - { - iReturn = XmbTextListToTextProperty (pDisplay, - pszTextList, - 1, - xiccesStyle, - &xtpText); - } - if (iReturn == XNoMemory || iReturn == XLocaleNotSupported) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "X*TextListToTextProperty failed: %d\n", - iReturn); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - /* Free the converted string */ - free (pszConvertData); - pszConvertData = NULL; - - /* Copy the clipboard text to the requesting window */ - iReturn = XChangeProperty (pDisplay, - event.xselectionrequest.requestor, - event.xselectionrequest.property, - event.xselectionrequest.target, - 8, - PropModeReplace, - xtpText.value, - xtpText.nitems); - if (iReturn == BadAlloc || iReturn == BadAtom - || iReturn == BadMatch || iReturn == BadValue - || iReturn == BadWindow) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "XChangeProperty failed: %d\n", - iReturn); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - /* Release the clipboard data */ - GlobalUnlock (hGlobal); - pszGlobalData = NULL; - fCloseClipboard = FALSE; - CloseClipboard (); - - /* Clean up */ - XFree (xtpText.value); - xtpText.value = NULL; - xtpText.nitems = 0; - - /* Setup selection notify event */ - eventSelection.type = SelectionNotify; - eventSelection.send_event = True; - eventSelection.display = pDisplay; - eventSelection.requestor = event.xselectionrequest.requestor; - eventSelection.selection = event.xselectionrequest.selection; - eventSelection.target = event.xselectionrequest.target; - eventSelection.property = event.xselectionrequest.property; - eventSelection.time = event.xselectionrequest.time; - - /* Notify the requesting window that the operation has completed */ - iReturn = XSendEvent (pDisplay, - eventSelection.requestor, - False, - 0L, - (XEvent *) &eventSelection); - if (iReturn == BadValue || iReturn == BadWindow) - { - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "XSendEvent () failed\n"); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionRequest_Done; - } - - winClipboardFlushXEvents_SelectionRequest_Done: - /* Free allocated resources */ - if (xtpText.value) - { - XFree (xtpText.value); - xtpText.value = NULL; - xtpText.nitems = 0; - } - free(pszConvertData); - if (hGlobal && pszGlobalData) - GlobalUnlock (hGlobal); - - /* - * Send a SelectionNotify event to the requesting - * client when we abort. - */ - if (fAbort) - { - /* Setup selection notify event */ - eventSelection.type = SelectionNotify; - eventSelection.send_event = True; - eventSelection.display = pDisplay; - eventSelection.requestor = event.xselectionrequest.requestor; - eventSelection.selection = event.xselectionrequest.selection; - eventSelection.target = event.xselectionrequest.target; - eventSelection.property = None; - eventSelection.time = event.xselectionrequest.time; - - /* Notify the requesting window that the operation is complete */ - iReturn = XSendEvent (pDisplay, - eventSelection.requestor, - False, - 0L, - (XEvent *) &eventSelection); - if (iReturn == BadValue || iReturn == BadWindow) - { - /* - * Should not be a problem if XSendEvent fails because - * the client may simply have exited. - */ - ErrorF ("winClipboardFlushXEvents - SelectionRequest - " - "XSendEvent () failed for abort event.\n"); - } - } - - /* Close clipboard if it was opened */ - if (fCloseClipboard) - { - fCloseClipboard = FALSE; - CloseClipboard (); - } - break; - - - /* - * SelectionNotify - */ - - case SelectionNotify: - - winDebug ("winClipboardFlushXEvents - SelectionNotify\n"); - { - char *pszAtomName; - pszAtomName = XGetAtomName (pDisplay, - event.xselection.selection); - - winDebug("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n", - pszAtomName); - XFree (pszAtomName); - } - - /* - * Request conversion of UTF8 and CompoundText targets. - */ - if (event.xselection.property == None) - { - if (event.xselection.target == XA_STRING) - { - winDebug ("winClipboardFlushXEvents - SelectionNotify - " - "XA_STRING\n"); - - return WIN_XEVENTS_CONVERT; - } - else if (event.xselection.target == atomUTF8String) - { - winDebug("winClipboardFlushXEvents - SelectionNotify - " - "Requesting conversion of UTF8 target.\n"); - - XConvertSelection (pDisplay, - event.xselection.selection, - XA_STRING, - atomLocalProperty, - iWindow, - CurrentTime); - - /* Process the ConvertSelection event */ - XFlush (pDisplay); - return WIN_XEVENTS_CONVERT; - } -#ifdef X_HAVE_UTF8_STRING - else if (event.xselection.target == atomCompoundText) - { - winDebug("winClipboardFlushXEvents - SelectionNotify - " - "Requesting conversion of CompoundText target.\n"); - - XConvertSelection (pDisplay, - event.xselection.selection, - atomUTF8String, - atomLocalProperty, - iWindow, - CurrentTime); - - /* Process the ConvertSelection event */ - XFlush (pDisplay); - return WIN_XEVENTS_CONVERT; - } -#endif - else - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify - " - "Unknown format. Cannot request conversion, " - "aborting.\n"); - break; - } - } - - /* Retrieve the size of the stored data */ - iReturn = XGetWindowProperty (pDisplay, - iWindow, - atomLocalProperty, - 0, - 0, /* Don't get data, just size */ - False, - AnyPropertyType, - &xtpText.encoding, - &xtpText.format, - &xtpText.nitems, - &ulReturnBytesLeft, - &xtpText.value); - if (iReturn != Success) - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify - " - "XGetWindowProperty () failed, aborting: %d\n", - iReturn); - break; - } - - winDebug("SelectionNotify - returned data %d left %d\n", - xtpText.nitems, ulReturnBytesLeft); - - /* Request the selection data */ - iReturn = XGetWindowProperty (pDisplay, - iWindow, - atomLocalProperty, - 0, - ulReturnBytesLeft, - False, - AnyPropertyType, - &xtpText.encoding, - &xtpText.format, - &xtpText.nitems, - &ulReturnBytesLeft, - &xtpText.value); - if (iReturn != Success) - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify - " - "XGetWindowProperty () failed, aborting: %d\n", - iReturn); - break; - } - - { - char *pszAtomName = NULL; - - winDebug("SelectionNotify - returned data %d left %d\n", - xtpText.nitems, ulReturnBytesLeft); - pszAtomName = XGetAtomName(pDisplay, xtpText.encoding); - winDebug("Notify atom name %s\n", pszAtomName); - XFree (pszAtomName); - pszAtomName = NULL; - } - - if (fUseUnicode) - { -#ifdef X_HAVE_UTF8_STRING - /* Convert the text property to a text list */ - iReturn = Xutf8TextPropertyToTextList (pDisplay, - &xtpText, - &ppszTextList, - &iCount); -#endif - } - else - { - iReturn = XmbTextPropertyToTextList (pDisplay, - &xtpText, - &ppszTextList, - &iCount); - } - if (iReturn == Success || iReturn > 0) - { - /* Conversion succeeded or some unconvertible characters */ - if (ppszTextList != NULL) - { - iReturnDataLen = 0; - for (i = 0; i < iCount; i++) - { - iReturnDataLen += strlen(ppszTextList[i]); - } - pszReturnData = malloc (iReturnDataLen + 1); - pszReturnData[0] = '\0'; - for (i = 0; i < iCount; i++) - { - strcat (pszReturnData, ppszTextList[i]); - } - } - else - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify - " - "X*TextPropertyToTextList list_return is NULL.\n"); - pszReturnData = malloc (1); - pszReturnData[0] = '\0'; - } - } - else - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify - " - "X*TextPropertyToTextList returned: "); - switch (iReturn) - { - case XNoMemory: - ErrorF ("XNoMemory\n"); - break; - case XConverterNotFound: - ErrorF ("XConverterNotFound\n"); - break; - default: - ErrorF ("%d", iReturn); - break; - } - pszReturnData = malloc (1); - pszReturnData[0] = '\0'; - } - - /* Free the data returned from XGetWindowProperty */ - if (ppszTextList) - XFreeStringList (ppszTextList); - ppszTextList = NULL; - XFree (xtpText.value); - xtpText.value = NULL; - xtpText.nitems = 0; - - /* Convert the X clipboard string to DOS format */ - winClipboardUNIXtoDOS (&pszReturnData, strlen (pszReturnData)); - - if (fUseUnicode) - { - /* Find out how much space needed to convert MBCS to Unicode */ - iUnicodeLen = MultiByteToWideChar (CP_UTF8, - 0, - pszReturnData, - -1, - NULL, - 0); - - /* Allocate memory for the Unicode string */ - pwszUnicodeStr - = (wchar_t*) malloc (sizeof (wchar_t) * (iUnicodeLen + 1)); - if (!pwszUnicodeStr) - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify " - "malloc failed for pwszUnicodeStr, aborting.\n"); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionNotify_Done; - } - - /* Do the actual conversion */ - MultiByteToWideChar (CP_UTF8, - 0, - pszReturnData, - -1, - pwszUnicodeStr, - iUnicodeLen); - - /* Allocate global memory for the X clipboard data */ - hGlobal = GlobalAlloc (GMEM_MOVEABLE, - sizeof (wchar_t) * (iUnicodeLen + 1)); - } - else - { - pszConvertData = strdup (pszReturnData); - iConvertDataLen = strlen (pszConvertData) + 1; - - /* Allocate global memory for the X clipboard data */ - hGlobal = GlobalAlloc (GMEM_MOVEABLE, iConvertDataLen); - } - - free (pszReturnData); - - /* Check that global memory was allocated */ - if (!hGlobal) - { - ErrorF ("winClipboardFlushXEvents - SelectionNotify " - "GlobalAlloc failed, aborting: %ld\n", - GetLastError ()); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionNotify_Done; - } - - /* Obtain a pointer to the global memory */ - pszGlobalData = GlobalLock (hGlobal); - if (pszGlobalData == NULL) - { - ErrorF ("winClipboardFlushXEvents - Could not lock global " - "memory for clipboard transfer\n"); - - /* Abort */ - fAbort = TRUE; - goto winClipboardFlushXEvents_SelectionNotify_Done; - } - - /* Copy the returned string into the global memory */ - if (fUseUnicode) - { - memcpy (pszGlobalData, - pwszUnicodeStr, - sizeof (wchar_t) * (iUnicodeLen + 1)); - free (pwszUnicodeStr); - pwszUnicodeStr = NULL; - } - else - { - strcpy (pszGlobalData, pszConvertData); - free (pszConvertData); - pszConvertData = NULL; - } - - /* Release the pointer to the global memory */ - GlobalUnlock (hGlobal); - pszGlobalData = NULL; - - /* Push the selection data to the Windows clipboard */ - if (fUseUnicode) - SetClipboardData (CF_UNICODETEXT, hGlobal); - else - SetClipboardData (CF_TEXT, hGlobal); - - /* Flag that SetClipboardData has been called */ - fSetClipboardData = FALSE; - - /* - * NOTE: Do not try to free pszGlobalData, it is owned by - * Windows after the call to SetClipboardData (). - */ - - winClipboardFlushXEvents_SelectionNotify_Done: - /* Free allocated resources */ - if (ppszTextList) - XFreeStringList (ppszTextList); - if (xtpText.value) - { - XFree (xtpText.value); - xtpText.value = NULL; - xtpText.nitems = 0; - } - free(pszConvertData); - free(pwszUnicodeStr); - if (hGlobal && pszGlobalData) - GlobalUnlock (hGlobal); - if (fSetClipboardData && g_fUnicodeSupport) - SetClipboardData (CF_UNICODETEXT, NULL); - if (fSetClipboardData) - SetClipboardData (CF_TEXT, NULL); - return WIN_XEVENTS_NOTIFY; - - case SelectionClear: - winDebug("SelectionClear - doing nothing\n"); - break; - - case PropertyNotify: - break; - - case MappingNotify: - break; - - default: - ErrorF ("winClipboardFlushXEvents - unexpected event type %d\n", event.type); - break; - } - } - - return WIN_XEVENTS_SUCCESS; -} +/* + *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved. + *Copyright (C) Colin Harrison 2005-2008 + * + *Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + *"Software"), to deal in the Software without restriction, including + *without limitation the rights to use, copy, modify, merge, publish, + *distribute, sublicense, and/or sell copies of the Software, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *The above copyright notice and this permission notice shall be + *included in all copies or substantial portions of the Software. + * + *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR + *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + *Except as contained in this notice, the name of the copyright holder(s) + *and author(s) shall not be used in advertising or otherwise to promote + *the sale, use or other dealings in this Software without prior written + *authorization from the copyright holder(s) and author(s). + * + * Authors: Harold L Hunt II + * Colin Harrison + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include +#endif +#include "winclipboard.h" +#include "misc.h" + + +/* + * References to external symbols + */ + +extern Bool g_fUnicodeSupport; + + +/* + * Process any pending X events + */ + +int +winClipboardFlushXEvents (HWND hwnd, + int iWindow, + Display *pDisplay, + Bool fUseUnicode) +{ + static Atom atomLocalProperty; + static Atom atomCompoundText; + static Atom atomUTF8String; + static Atom atomTargets; + static int generation; + + if (generation != serverGeneration) + { + generation = serverGeneration; + atomLocalProperty = XInternAtom (pDisplay, WIN_LOCAL_PROPERTY, False); + atomUTF8String = XInternAtom (pDisplay, "UTF8_STRING", False); + atomCompoundText = XInternAtom (pDisplay, "COMPOUND_TEXT", False); + atomTargets = XInternAtom (pDisplay, "TARGETS", False); + } + + /* Process all pending events */ + while (XPending (pDisplay)) + { + XTextProperty xtpText = {0}; + XEvent event; + XSelectionEvent eventSelection; + unsigned long ulReturnBytesLeft; + char *pszReturnData = NULL; + char *pszGlobalData = NULL; + int iReturn; + HGLOBAL hGlobal = NULL; + XICCEncodingStyle xiccesStyle; + int iConvertDataLen = 0; + char *pszConvertData = NULL; + char *pszTextList[2] = {NULL}; + int iCount; + char **ppszTextList = NULL; + wchar_t *pwszUnicodeStr = NULL; + int iUnicodeLen = 0; + int iReturnDataLen = 0; + int i; + Bool fAbort = FALSE; + Bool fCloseClipboard = FALSE; + Bool fSetClipboardData = TRUE; + + /* Get the next event - will not block because one is ready */ + XNextEvent (pDisplay, &event); + + /* Branch on the event type */ + switch (event.type) + { + /* + * SelectionRequest + */ + + case SelectionRequest: + { + char *pszAtomName = NULL; + winDebug("SelectionRequest - target %d\n", + event.xselectionrequest.target); + + pszAtomName = XGetAtomName (pDisplay, + event.xselectionrequest.target); + winDebug("SelectionRequest - Target atom name %s\n", pszAtomName); + XFree (pszAtomName); + pszAtomName = NULL; + } + + /* Abort if invalid target type */ + if (event.xselectionrequest.target != XA_STRING + && event.xselectionrequest.target != atomUTF8String + && event.xselectionrequest.target != atomCompoundText + && event.xselectionrequest.target != atomTargets) + { + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + /* Handle targets type of request */ + if (event.xselectionrequest.target == atomTargets) + { + Atom atomTargetArr[] = {atomTargets, + atomCompoundText, + atomUTF8String, + XA_STRING}; + + /* Try to change the property */ + iReturn = XChangeProperty (pDisplay, + event.xselectionrequest.requestor, + event.xselectionrequest.property, + XA_ATOM, + 32, + PropModeReplace, + (unsigned char *) atomTargetArr, + (sizeof (atomTargetArr) + / sizeof (atomTargetArr[0]))); + if (iReturn == BadAlloc + || iReturn == BadAtom + || iReturn == BadMatch + || iReturn == BadValue + || iReturn == BadWindow) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "XChangeProperty failed: %d\n", + iReturn); + } + + /* Setup selection notify xevent */ + eventSelection.type = SelectionNotify; + eventSelection.send_event = True; + eventSelection.display = pDisplay; + eventSelection.requestor = event.xselectionrequest.requestor; + eventSelection.selection = event.xselectionrequest.selection; + eventSelection.target = event.xselectionrequest.target; + eventSelection.property = event.xselectionrequest.property; + eventSelection.time = event.xselectionrequest.time; + + /* + * Notify the requesting window that + * the operation has completed + */ + iReturn = XSendEvent (pDisplay, + eventSelection.requestor, + False, + 0L, + (XEvent *) &eventSelection); + if (iReturn == BadValue || iReturn == BadWindow) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "XSendEvent () failed\n"); + } + break; + } + + /* Check that clipboard format is available */ + if (fUseUnicode + && !IsClipboardFormatAvailable (CF_UNICODETEXT)) + { + static int count; /* Hack to stop acroread spamming the log */ + static HWND lasthwnd; /* I've not seen any other client get here repeatedly? */ + if (hwnd != lasthwnd) count = 0; + count++; + if (count < 6) ErrorF ("winClipboardFlushXEvents - CF_UNICODETEXT is not " + "available from Win32 clipboard. Aborting %d.\n", count); + lasthwnd = hwnd; + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + else if (!fUseUnicode + && !IsClipboardFormatAvailable (CF_TEXT)) + { + ErrorF ("winClipboardFlushXEvents - CF_TEXT is not " + "available from Win32 clipboard. Aborting.\n"); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + /* Close clipboard if we have it open already */ + if (GetOpenClipboardWindow () == hwnd) + { + CloseClipboard (); + } + + /* Access the clipboard */ + if (!OpenClipboard (hwnd)) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "OpenClipboard () failed: %08lx\n", + GetLastError ()); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + /* Indicate that clipboard was opened */ + fCloseClipboard = TRUE; + + /* Setup the string style */ + if (event.xselectionrequest.target == XA_STRING) + xiccesStyle = XStringStyle; +#ifdef X_HAVE_UTF8_STRING + else if (event.xselectionrequest.target == atomUTF8String) + xiccesStyle = XUTF8StringStyle; +#endif + else if (event.xselectionrequest.target == atomCompoundText) + xiccesStyle = XCompoundTextStyle; + else + xiccesStyle = XStringStyle; + + /* + * FIXME: Can't pass CF_UNICODETEXT on Windows 95/98/Me + */ + + /* Get a pointer to the clipboard text, in desired format */ + if (fUseUnicode) + { + /* Retrieve clipboard data */ + hGlobal = GetClipboardData (CF_UNICODETEXT); + } + else + { + /* Retrieve clipboard data */ + hGlobal = GetClipboardData (CF_TEXT); + } + if (!hGlobal) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "GetClipboardData () failed: %08lx\n", + GetLastError ()); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + pszGlobalData = (char *) GlobalLock (hGlobal); + + /* Convert the Unicode string to UTF8 (MBCS) */ + if (fUseUnicode) + { + iConvertDataLen = WideCharToMultiByte (CP_UTF8, + 0, + (LPCWSTR)pszGlobalData, + -1, + NULL, + 0, + NULL, + NULL); + /* NOTE: iConvertDataLen includes space for null terminator */ + pszConvertData = (char *) malloc (iConvertDataLen); + WideCharToMultiByte (CP_UTF8, + 0, + (LPCWSTR)pszGlobalData, + -1, + pszConvertData, + iConvertDataLen, + NULL, + NULL); + } + else + { + pszConvertData = strdup (pszGlobalData); + iConvertDataLen = strlen (pszConvertData) + 1; + } + + /* Convert DOS string to UNIX string */ + winClipboardDOStoUNIX (pszConvertData, strlen (pszConvertData)); + + /* Setup our text list */ + pszTextList[0] = pszConvertData; + pszTextList[1] = NULL; + + /* Initialize the text property */ + xtpText.value = NULL; + xtpText.nitems = 0; + + /* Create the text property from the text list */ + if (fUseUnicode) + { +#ifdef X_HAVE_UTF8_STRING + iReturn = Xutf8TextListToTextProperty (pDisplay, + pszTextList, + 1, + xiccesStyle, + &xtpText); +#endif + } + else + { + iReturn = XmbTextListToTextProperty (pDisplay, + pszTextList, + 1, + xiccesStyle, + &xtpText); + } + if (iReturn == XNoMemory || iReturn == XLocaleNotSupported) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "X*TextListToTextProperty failed: %d\n", + iReturn); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + /* Free the converted string */ + free (pszConvertData); + pszConvertData = NULL; + + /* Copy the clipboard text to the requesting window */ + iReturn = XChangeProperty (pDisplay, + event.xselectionrequest.requestor, + event.xselectionrequest.property, + event.xselectionrequest.target, + 8, + PropModeReplace, + xtpText.value, + xtpText.nitems); + if (iReturn == BadAlloc || iReturn == BadAtom + || iReturn == BadMatch || iReturn == BadValue + || iReturn == BadWindow) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "XChangeProperty failed: %d\n", + iReturn); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + /* Release the clipboard data */ + GlobalUnlock (hGlobal); + pszGlobalData = NULL; + fCloseClipboard = FALSE; + CloseClipboard (); + + /* Clean up */ + XFree (xtpText.value); + xtpText.value = NULL; + xtpText.nitems = 0; + + /* Setup selection notify event */ + eventSelection.type = SelectionNotify; + eventSelection.send_event = True; + eventSelection.display = pDisplay; + eventSelection.requestor = event.xselectionrequest.requestor; + eventSelection.selection = event.xselectionrequest.selection; + eventSelection.target = event.xselectionrequest.target; + eventSelection.property = event.xselectionrequest.property; + eventSelection.time = event.xselectionrequest.time; + + /* Notify the requesting window that the operation has completed */ + iReturn = XSendEvent (pDisplay, + eventSelection.requestor, + False, + 0L, + (XEvent *) &eventSelection); + if (iReturn == BadValue || iReturn == BadWindow) + { + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "XSendEvent () failed\n"); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionRequest_Done; + } + + winClipboardFlushXEvents_SelectionRequest_Done: + /* Free allocated resources */ + if (xtpText.value) + { + XFree (xtpText.value); + xtpText.value = NULL; + xtpText.nitems = 0; + } + free(pszConvertData); + if (hGlobal && pszGlobalData) + GlobalUnlock (hGlobal); + + /* + * Send a SelectionNotify event to the requesting + * client when we abort. + */ + if (fAbort) + { + /* Setup selection notify event */ + eventSelection.type = SelectionNotify; + eventSelection.send_event = True; + eventSelection.display = pDisplay; + eventSelection.requestor = event.xselectionrequest.requestor; + eventSelection.selection = event.xselectionrequest.selection; + eventSelection.target = event.xselectionrequest.target; + eventSelection.property = None; + eventSelection.time = event.xselectionrequest.time; + + /* Notify the requesting window that the operation is complete */ + iReturn = XSendEvent (pDisplay, + eventSelection.requestor, + False, + 0L, + (XEvent *) &eventSelection); + if (iReturn == BadValue || iReturn == BadWindow) + { + /* + * Should not be a problem if XSendEvent fails because + * the client may simply have exited. + */ + ErrorF ("winClipboardFlushXEvents - SelectionRequest - " + "XSendEvent () failed for abort event.\n"); + } + } + + /* Close clipboard if it was opened */ + if (fCloseClipboard) + { + fCloseClipboard = FALSE; + CloseClipboard (); + } + break; + + + /* + * SelectionNotify + */ + + case SelectionNotify: + + winDebug ("winClipboardFlushXEvents - SelectionNotify\n"); + { + char *pszAtomName; + pszAtomName = XGetAtomName (pDisplay, + event.xselection.selection); + + winDebug("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n", + pszAtomName); + XFree (pszAtomName); + } + + /* + * Request conversion of UTF8 and CompoundText targets. + */ + if (event.xselection.property == None) + { + if (event.xselection.target == XA_STRING) + { + winDebug ("winClipboardFlushXEvents - SelectionNotify - " + "XA_STRING\n"); + + return WIN_XEVENTS_CONVERT; + } + else if (event.xselection.target == atomUTF8String) + { + winDebug("winClipboardFlushXEvents - SelectionNotify - " + "Requesting conversion of UTF8 target.\n"); + + XConvertSelection (pDisplay, + event.xselection.selection, + XA_STRING, + atomLocalProperty, + iWindow, + CurrentTime); + + /* Process the ConvertSelection event */ + XFlush (pDisplay); + return WIN_XEVENTS_CONVERT; + } +#ifdef X_HAVE_UTF8_STRING + else if (event.xselection.target == atomCompoundText) + { + winDebug("winClipboardFlushXEvents - SelectionNotify - " + "Requesting conversion of CompoundText target.\n"); + + XConvertSelection (pDisplay, + event.xselection.selection, + atomUTF8String, + atomLocalProperty, + iWindow, + CurrentTime); + + /* Process the ConvertSelection event */ + XFlush (pDisplay); + return WIN_XEVENTS_CONVERT; + } +#endif + else + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify - " + "Unknown format. Cannot request conversion, " + "aborting.\n"); + break; + } + } + + /* Retrieve the size of the stored data */ + iReturn = XGetWindowProperty (pDisplay, + iWindow, + atomLocalProperty, + 0, + 0, /* Don't get data, just size */ + False, + AnyPropertyType, + &xtpText.encoding, + &xtpText.format, + &xtpText.nitems, + &ulReturnBytesLeft, + &xtpText.value); + if (iReturn != Success) + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify - " + "XGetWindowProperty () failed, aborting: %d\n", + iReturn); + break; + } + + winDebug("SelectionNotify - returned data %d left %d\n", + xtpText.nitems, ulReturnBytesLeft); + + /* Request the selection data */ + iReturn = XGetWindowProperty (pDisplay, + iWindow, + atomLocalProperty, + 0, + ulReturnBytesLeft, + False, + AnyPropertyType, + &xtpText.encoding, + &xtpText.format, + &xtpText.nitems, + &ulReturnBytesLeft, + &xtpText.value); + if (iReturn != Success) + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify - " + "XGetWindowProperty () failed, aborting: %d\n", + iReturn); + break; + } + + { + char *pszAtomName = NULL; + + winDebug("SelectionNotify - returned data %d left %d\n", + xtpText.nitems, ulReturnBytesLeft); + pszAtomName = XGetAtomName(pDisplay, xtpText.encoding); + winDebug("Notify atom name %s\n", pszAtomName); + XFree (pszAtomName); + pszAtomName = NULL; + } + + if (fUseUnicode) + { +#ifdef X_HAVE_UTF8_STRING + /* Convert the text property to a text list */ + iReturn = Xutf8TextPropertyToTextList (pDisplay, + &xtpText, + &ppszTextList, + &iCount); +#endif + } + else + { + iReturn = XmbTextPropertyToTextList (pDisplay, + &xtpText, + &ppszTextList, + &iCount); + } + if (iReturn == Success || iReturn > 0) + { + /* Conversion succeeded or some unconvertible characters */ + if (ppszTextList != NULL) + { + iReturnDataLen = 0; + for (i = 0; i < iCount; i++) + { + iReturnDataLen += strlen(ppszTextList[i]); + } + pszReturnData = malloc (iReturnDataLen + 1); + pszReturnData[0] = '\0'; + for (i = 0; i < iCount; i++) + { + strcat (pszReturnData, ppszTextList[i]); + } + } + else + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify - " + "X*TextPropertyToTextList list_return is NULL.\n"); + pszReturnData = malloc (1); + pszReturnData[0] = '\0'; + } + } + else + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify - " + "X*TextPropertyToTextList returned: "); + switch (iReturn) + { + case XNoMemory: + ErrorF ("XNoMemory\n"); + break; + case XLocaleNotSupported: + ErrorF ("XLocaleNotSupported\n"); + break; + case XConverterNotFound: + ErrorF ("XConverterNotFound\n"); + break; + default: + ErrorF ("%d\n", iReturn); + break; + } + pszReturnData = malloc (1); + pszReturnData[0] = '\0'; + } + + /* Free the data returned from XGetWindowProperty */ + if (ppszTextList) + XFreeStringList (ppszTextList); + ppszTextList = NULL; + XFree (xtpText.value); + xtpText.value = NULL; + xtpText.nitems = 0; + + /* Convert the X clipboard string to DOS format */ + winClipboardUNIXtoDOS (&pszReturnData, strlen (pszReturnData)); + + if (fUseUnicode) + { + /* Find out how much space needed to convert MBCS to Unicode */ + iUnicodeLen = MultiByteToWideChar (CP_UTF8, + 0, + pszReturnData, + -1, + NULL, + 0); + + /* Allocate memory for the Unicode string */ + pwszUnicodeStr + = (wchar_t*) malloc (sizeof (wchar_t) * (iUnicodeLen + 1)); + if (!pwszUnicodeStr) + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify " + "malloc failed for pwszUnicodeStr, aborting.\n"); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionNotify_Done; + } + + /* Do the actual conversion */ + MultiByteToWideChar (CP_UTF8, + 0, + pszReturnData, + -1, + pwszUnicodeStr, + iUnicodeLen); + + /* Allocate global memory for the X clipboard data */ + hGlobal = GlobalAlloc (GMEM_MOVEABLE, + sizeof (wchar_t) * (iUnicodeLen + 1)); + } + else + { + pszConvertData = strdup (pszReturnData); + iConvertDataLen = strlen (pszConvertData) + 1; + + /* Allocate global memory for the X clipboard data */ + hGlobal = GlobalAlloc (GMEM_MOVEABLE, iConvertDataLen); + } + + free (pszReturnData); + + /* Check that global memory was allocated */ + if (!hGlobal) + { + ErrorF ("winClipboardFlushXEvents - SelectionNotify " + "GlobalAlloc failed, aborting: %ld\n", + GetLastError ()); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionNotify_Done; + } + + /* Obtain a pointer to the global memory */ + pszGlobalData = GlobalLock (hGlobal); + if (pszGlobalData == NULL) + { + ErrorF ("winClipboardFlushXEvents - Could not lock global " + "memory for clipboard transfer\n"); + + /* Abort */ + fAbort = TRUE; + goto winClipboardFlushXEvents_SelectionNotify_Done; + } + + /* Copy the returned string into the global memory */ + if (fUseUnicode) + { + memcpy (pszGlobalData, + pwszUnicodeStr, + sizeof (wchar_t) * (iUnicodeLen + 1)); + free (pwszUnicodeStr); + pwszUnicodeStr = NULL; + } + else + { + strcpy (pszGlobalData, pszConvertData); + free (pszConvertData); + pszConvertData = NULL; + } + + /* Release the pointer to the global memory */ + GlobalUnlock (hGlobal); + pszGlobalData = NULL; + + /* Push the selection data to the Windows clipboard */ + if (fUseUnicode) + SetClipboardData (CF_UNICODETEXT, hGlobal); + else + SetClipboardData (CF_TEXT, hGlobal); + + /* Flag that SetClipboardData has been called */ + fSetClipboardData = FALSE; + + /* + * NOTE: Do not try to free pszGlobalData, it is owned by + * Windows after the call to SetClipboardData (). + */ + + winClipboardFlushXEvents_SelectionNotify_Done: + /* Free allocated resources */ + if (ppszTextList) + XFreeStringList (ppszTextList); + if (xtpText.value) + { + XFree (xtpText.value); + xtpText.value = NULL; + xtpText.nitems = 0; + } + free(pszConvertData); + free(pwszUnicodeStr); + if (hGlobal && pszGlobalData) + GlobalUnlock (hGlobal); + if (fSetClipboardData && g_fUnicodeSupport) + SetClipboardData (CF_UNICODETEXT, NULL); + if (fSetClipboardData) + SetClipboardData (CF_TEXT, NULL); + return WIN_XEVENTS_NOTIFY; + + case SelectionClear: + winDebug("SelectionClear - doing nothing\n"); + break; + + case PropertyNotify: + break; + + case MappingNotify: + break; + + default: + ErrorF ("winClipboardFlushXEvents - unexpected event type %d\n", event.type); + break; + } + } + + return WIN_XEVENTS_SUCCESS; +} -- cgit v1.2.3