diff options
Diffstat (limited to 'xorg-server/hw/xwin/winclipboardxevents.c')
| -rw-r--r-- | xorg-server/hw/xwin/winclipboardxevents.c | 1607 |
1 files changed, 805 insertions, 802 deletions
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 <xwin-config.h>
-#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 <xwin-config.h> +#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; +} |