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-rw-r--r--xorg-server/hw/xwin/winclipboardxevents.c1648
1 files changed, 843 insertions, 805 deletions
diff --git a/xorg-server/hw/xwin/winclipboardxevents.c b/xorg-server/hw/xwin/winclipboardxevents.c
index b0006a01f..b3ed5eba5 100644
--- a/xorg-server/hw/xwin/winclipboardxevents.c
+++ b/xorg-server/hw/xwin/winclipboardxevents.c
@@ -1,805 +1,843 @@
-/*
- *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;
-}
+/*
+ *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"
+#include "winmsg.h"
+#include <unistd.h>
+
+/*
+ * References to external symbols
+ */
+
+extern Bool g_fUnicodeSupport;
+extern Bool g_fClipboardPrimary;
+
+
+/*
+ * Process any pending X events
+ */
+
+int
+winClipboardFlushXEvents (HWND hwnd,
+ int iWindow,
+ Display *pDisplay,
+ Bool fUseUnicode,
+ Bool ClipboardOpened)
+{
+ 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);
+
+ winDebug ("Received event type %d\n",event.type);
+
+ /* Branch on the event type */
+ switch (event.type)
+ {
+ /*
+ * SelectionRequest
+ */
+
+ case SelectionRequest:
+#ifdef _DEBUG
+ {
+ 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;
+ winDebug ("SelectionRequest - owner %d\n", event.xselectionrequest.owner);
+ winDebug ("SelectionRequest - requestor %d\n", event.xselectionrequest.requestor);
+ }
+#endif
+
+ /* 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;
+ }
+
+ /* Access the clipboard */
+ if (!ClipboardOpened)
+ {
+ 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)
+ {
+ if (GetLastError()==ERROR_CLIPBOARD_NOT_OPEN && ClipboardOpened)
+ {
+ ErrorF("We should not have received a SelectionRequest????\n"
+ "The owner is the clipboard, but in reality it was"
+ "an X window\n");
+ /* Set the owner to None */
+ if (g_fClipboardPrimary) XSetSelectionOwner (pDisplay, XA_PRIMARY, None, CurrentTime);
+ XSetSelectionOwner (pDisplay, XInternAtom (pDisplay, "CLIPBOARD", False), None, CurrentTime);
+ }
+ 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;
+ if (fCloseClipboard)
+ {
+ 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:
+#ifdef _DEBUG
+ winDebug ("winClipboardFlushXEvents - SelectionNotify\n");
+ {
+ char *pszAtomName;
+ pszAtomName = XGetAtomName (pDisplay,
+ event.xselection.selection);
+
+ winDebug("winClipboardFlushXEvents - SelectionNotify - ATOM: %s\n",
+ pszAtomName);
+ winDebug ("SelectionNotify - requestor %d\n", event.xselectionrequest.requestor);
+ XFree (pszAtomName);
+ }
+#endif
+
+
+ /*
+ * 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;
+ }
+
+#ifdef WINDBG
+ {
+ 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;
+ }
+#endif
+
+ 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 = (char *) 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 = (char *) 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 = (char *) 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 ((unsigned char **)&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;
+
+ /*
+ * SelectionClear
+ */
+ case SelectionClear:
+#ifdef _DEBUG
+ winDebug ("SelectionClear - doing nothing\n");
+ {
+ char *pszAtomName;
+
+ pszAtomName = XGetAtomName (pDisplay,
+ event.xselection.selection);
+
+ winDebug ("SelectionClear - ATOM: %s\n",
+ pszAtomName);
+ winDebug ("SelectionClear - owner %d\n", event.xselectionrequest.owner);
+
+ XFree (pszAtomName);
+ }
+#endif
+ break;
+
+ case PropertyNotify:
+ break;
+
+ case MappingNotify:
+ XRefreshKeyboardMapping((XMappingEvent *)&event);
+ break;
+
+ default:
+ ErrorF ("winClipboardFlushXEvents - unexpected event type %d\n", event.type);
+ break;
+ }
+ }
+
+ return WIN_XEVENTS_SUCCESS;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 23:04:25 +0000